Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1 | /* |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 Cisco and/or its affiliates. |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this |
| 5 | * You may obtain a copy of the License at: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software |
| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | * See the License for the specific language governing permissions and |
| 13 | * limitations under the License. |
| 14 | */ |
| 15 | |
| 16 | #include <stdio.h> |
| 17 | #include <stdlib.h> |
Dave Wallace | 5c7cf1c | 2017-10-24 04:12:18 -0400 | [diff] [blame] | 18 | #include <vcl/vppcom.h> |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 19 | #include <vcl/vcl_debug.h> |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 20 | #include <vcl/vcl_private.h> |
Florin Coras | 88001c6 | 2019-04-24 14:44:46 -0700 | [diff] [blame] | 21 | #include <svm/fifo_segment.h> |
Dave Wallace | 7e607a7 | 2018-06-18 18:41:32 -0400 | [diff] [blame] | 22 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 23 | __thread uword __vcl_worker_index = ~0; |
| 24 | |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 25 | static inline int |
Florin Coras | e003a1b | 2019-06-05 10:47:16 -0700 | [diff] [blame] | 26 | vcl_mq_dequeue_batch (vcl_worker_t * wrk, svm_msg_q_t * mq, u32 n_max_msg) |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 27 | { |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 28 | u32 n_msgs = 0, sz, len; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 29 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 30 | while ((sz = svm_msg_q_size (mq))) |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 31 | { |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 32 | len = vec_len (wrk->mq_msg_vector); |
| 33 | vec_validate (wrk->mq_msg_vector, len + sz - 1); |
| 34 | svm_msg_q_sub_raw_batch (mq, wrk->mq_msg_vector + len, sz); |
| 35 | n_msgs += sz; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 36 | } |
| 37 | return n_msgs; |
| 38 | } |
| 39 | |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 40 | |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 41 | |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 42 | static void |
Florin Coras | 4ac2584 | 2021-04-19 17:34:54 -0700 | [diff] [blame] | 43 | vcl_msg_add_ext_config (vcl_session_t *s, uword *offset) |
| 44 | { |
| 45 | svm_fifo_chunk_t *c; |
| 46 | |
| 47 | c = vcl_segment_alloc_chunk (vcl_vpp_worker_segment_handle (0), |
| 48 | 0 /* one slice only */, s->ext_config->len, |
| 49 | offset); |
| 50 | if (c) |
| 51 | clib_memcpy_fast (c->data, s->ext_config, s->ext_config->len); |
| 52 | } |
| 53 | |
| 54 | static void |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 55 | vcl_send_session_listen (vcl_worker_t * wrk, vcl_session_t * s) |
| 56 | { |
| 57 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 58 | session_listen_msg_t *mp; |
| 59 | svm_msg_q_t *mq; |
| 60 | |
| 61 | mq = vcl_worker_ctrl_mq (wrk); |
| 62 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_LISTEN); |
| 63 | mp = (session_listen_msg_t *) app_evt->evt->data; |
| 64 | memset (mp, 0, sizeof (*mp)); |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 65 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 66 | mp->context = s->session_index; |
| 67 | mp->wrk_index = wrk->vpp_wrk_index; |
| 68 | mp->is_ip4 = s->transport.is_ip4; |
| 69 | clib_memcpy_fast (&mp->ip, &s->transport.lcl_ip, sizeof (mp->ip)); |
| 70 | mp->port = s->transport.lcl_port; |
| 71 | mp->proto = s->session_type; |
Florin Coras | 6a6555a | 2021-01-28 11:39:27 -0800 | [diff] [blame] | 72 | mp->vrf = s->vrf; |
Florin Coras | 1e96617 | 2020-05-16 18:18:14 +0000 | [diff] [blame] | 73 | if (s->flags & VCL_SESSION_F_CONNECTED) |
| 74 | mp->flags = TRANSPORT_CFG_F_CONNECTED; |
Florin Coras | 4ac2584 | 2021-04-19 17:34:54 -0700 | [diff] [blame] | 75 | if (s->ext_config) |
| 76 | vcl_msg_add_ext_config (s, &mp->ext_config); |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 77 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
Florin Coras | 4ac2584 | 2021-04-19 17:34:54 -0700 | [diff] [blame] | 78 | if (s->ext_config) |
| 79 | { |
| 80 | clib_mem_free (s->ext_config); |
| 81 | s->ext_config = 0; |
| 82 | } |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | static void |
| 86 | vcl_send_session_connect (vcl_worker_t * wrk, vcl_session_t * s) |
| 87 | { |
| 88 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 89 | session_connect_msg_t *mp; |
| 90 | svm_msg_q_t *mq; |
| 91 | |
| 92 | mq = vcl_worker_ctrl_mq (wrk); |
| 93 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_CONNECT); |
| 94 | mp = (session_connect_msg_t *) app_evt->evt->data; |
| 95 | memset (mp, 0, sizeof (*mp)); |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 96 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 97 | mp->context = s->session_index; |
Filip Tehlar | 2f09bfc | 2021-11-15 10:26:56 +0000 | [diff] [blame] | 98 | mp->dscp = s->dscp; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 99 | mp->wrk_index = wrk->vpp_wrk_index; |
| 100 | mp->is_ip4 = s->transport.is_ip4; |
| 101 | mp->parent_handle = s->parent_handle; |
| 102 | clib_memcpy_fast (&mp->ip, &s->transport.rmt_ip, sizeof (mp->ip)); |
Florin Coras | ef7cbf6 | 2019-10-17 09:56:27 -0700 | [diff] [blame] | 103 | clib_memcpy_fast (&mp->lcl_ip, &s->transport.lcl_ip, sizeof (mp->lcl_ip)); |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 104 | mp->port = s->transport.rmt_port; |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 105 | mp->lcl_port = s->transport.lcl_port; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 106 | mp->proto = s->session_type; |
Florin Coras | 6a6555a | 2021-01-28 11:39:27 -0800 | [diff] [blame] | 107 | mp->vrf = s->vrf; |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 108 | if (s->flags & VCL_SESSION_F_CONNECTED) |
| 109 | mp->flags |= TRANSPORT_CFG_F_CONNECTED; |
Florin Coras | 4ac2584 | 2021-04-19 17:34:54 -0700 | [diff] [blame] | 110 | if (s->ext_config) |
| 111 | vcl_msg_add_ext_config (s, &mp->ext_config); |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 112 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
Florin Coras | 4ac2584 | 2021-04-19 17:34:54 -0700 | [diff] [blame] | 113 | |
| 114 | if (s->ext_config) |
| 115 | { |
| 116 | clib_mem_free (s->ext_config); |
| 117 | s->ext_config = 0; |
| 118 | } |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | void |
| 122 | vcl_send_session_unlisten (vcl_worker_t * wrk, vcl_session_t * s) |
| 123 | { |
| 124 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 125 | session_unlisten_msg_t *mp; |
| 126 | svm_msg_q_t *mq; |
| 127 | |
| 128 | mq = vcl_worker_ctrl_mq (wrk); |
| 129 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_UNLISTEN); |
| 130 | mp = (session_unlisten_msg_t *) app_evt->evt->data; |
| 131 | memset (mp, 0, sizeof (*mp)); |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 132 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 133 | mp->wrk_index = wrk->vpp_wrk_index; |
| 134 | mp->handle = s->vpp_handle; |
| 135 | mp->context = wrk->wrk_index; |
| 136 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
| 137 | } |
| 138 | |
| 139 | static void |
liuyacan | 534468e | 2021-05-09 03:50:40 +0000 | [diff] [blame] | 140 | vcl_send_session_shutdown (vcl_worker_t *wrk, vcl_session_t *s) |
| 141 | { |
| 142 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 143 | session_shutdown_msg_t *mp; |
| 144 | svm_msg_q_t *mq; |
| 145 | |
| 146 | /* Send to thread that owns the session */ |
| 147 | mq = s->vpp_evt_q; |
| 148 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_SHUTDOWN); |
| 149 | mp = (session_shutdown_msg_t *) app_evt->evt->data; |
| 150 | memset (mp, 0, sizeof (*mp)); |
| 151 | mp->client_index = wrk->api_client_handle; |
| 152 | mp->handle = s->vpp_handle; |
| 153 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
| 154 | } |
| 155 | |
| 156 | static void |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 157 | vcl_send_session_disconnect (vcl_worker_t * wrk, vcl_session_t * s) |
| 158 | { |
| 159 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 160 | session_disconnect_msg_t *mp; |
| 161 | svm_msg_q_t *mq; |
| 162 | |
| 163 | /* Send to thread that owns the session */ |
| 164 | mq = s->vpp_evt_q; |
| 165 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_DISCONNECT); |
| 166 | mp = (session_disconnect_msg_t *) app_evt->evt->data; |
| 167 | memset (mp, 0, sizeof (*mp)); |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 168 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 169 | mp->handle = s->vpp_handle; |
| 170 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
| 171 | } |
| 172 | |
| 173 | static void |
| 174 | vcl_send_app_detach (vcl_worker_t * wrk) |
| 175 | { |
| 176 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 177 | session_app_detach_msg_t *mp; |
| 178 | svm_msg_q_t *mq; |
| 179 | |
| 180 | mq = vcl_worker_ctrl_mq (wrk); |
| 181 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_APP_DETACH); |
| 182 | mp = (session_app_detach_msg_t *) app_evt->evt->data; |
| 183 | memset (mp, 0, sizeof (*mp)); |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 184 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 185 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
| 186 | } |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 187 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 188 | static void |
| 189 | vcl_send_session_accepted_reply (svm_msg_q_t * mq, u32 context, |
| 190 | session_handle_t handle, int retval) |
| 191 | { |
| 192 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 193 | session_accepted_reply_msg_t *rmp; |
| 194 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_ACCEPTED_REPLY); |
| 195 | rmp = (session_accepted_reply_msg_t *) app_evt->evt->data; |
| 196 | rmp->handle = handle; |
| 197 | rmp->context = context; |
| 198 | rmp->retval = retval; |
| 199 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
| 200 | } |
| 201 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 202 | static void |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 203 | vcl_send_session_disconnected_reply (vcl_worker_t * wrk, vcl_session_t * s, |
| 204 | int retval) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 205 | { |
| 206 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 207 | session_disconnected_reply_msg_t *rmp; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 208 | app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt, |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 209 | SESSION_CTRL_EVT_DISCONNECTED_REPLY); |
| 210 | rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 211 | rmp->handle = s->vpp_handle; |
| 212 | rmp->context = wrk->api_client_handle; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 213 | rmp->retval = retval; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 214 | app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 215 | } |
| 216 | |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 217 | static void |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 218 | vcl_send_session_reset_reply (vcl_worker_t * wrk, vcl_session_t * s, |
| 219 | int retval) |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 220 | { |
| 221 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 222 | session_reset_reply_msg_t *rmp; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 223 | app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt, |
| 224 | SESSION_CTRL_EVT_RESET_REPLY); |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 225 | rmp = (session_reset_reply_msg_t *) app_evt->evt->data; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 226 | rmp->handle = s->vpp_handle; |
| 227 | rmp->context = wrk->api_client_handle; |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 228 | rmp->retval = retval; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 229 | app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt); |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 230 | } |
| 231 | |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 232 | void |
| 233 | vcl_send_session_worker_update (vcl_worker_t * wrk, vcl_session_t * s, |
| 234 | u32 wrk_index) |
| 235 | { |
| 236 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 237 | session_worker_update_msg_t *mp; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 238 | |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 239 | app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt, |
| 240 | SESSION_CTRL_EVT_WORKER_UPDATE); |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 241 | mp = (session_worker_update_msg_t *) app_evt->evt->data; |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 242 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 243 | mp->handle = s->vpp_handle; |
| 244 | mp->req_wrk_index = wrk->vpp_wrk_index; |
| 245 | mp->wrk_index = wrk_index; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 246 | app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt); |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 247 | } |
| 248 | |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 249 | int |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 250 | vcl_send_worker_rpc (u32 dst_wrk_index, void *data, u32 data_len) |
| 251 | { |
| 252 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 253 | session_app_wrk_rpc_msg_t *mp; |
| 254 | vcl_worker_t *dst_wrk, *wrk; |
| 255 | svm_msg_q_t *mq; |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 256 | int ret = -1; |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 257 | |
| 258 | if (data_len > sizeof (mp->data)) |
| 259 | goto done; |
| 260 | |
| 261 | clib_spinlock_lock (&vcm->workers_lock); |
| 262 | |
| 263 | dst_wrk = vcl_worker_get_if_valid (dst_wrk_index); |
| 264 | if (!dst_wrk) |
| 265 | goto done; |
| 266 | |
| 267 | wrk = vcl_worker_get_current (); |
| 268 | mq = vcl_worker_ctrl_mq (wrk); |
| 269 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_APP_WRK_RPC); |
| 270 | mp = (session_app_wrk_rpc_msg_t *) app_evt->evt->data; |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 271 | mp->client_index = wrk->api_client_handle; |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 272 | mp->wrk_index = dst_wrk->vpp_wrk_index; |
| 273 | clib_memcpy (mp->data, data, data_len); |
| 274 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 275 | ret = 0; |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 276 | |
| 277 | done: |
| 278 | clib_spinlock_unlock (&vcm->workers_lock); |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 279 | return ret; |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 280 | } |
| 281 | |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 282 | int |
| 283 | vcl_session_transport_attr (vcl_worker_t *wrk, vcl_session_t *s, u8 is_get, |
| 284 | transport_endpt_attr_t *attr) |
| 285 | { |
| 286 | app_session_evt_t _app_evt, *app_evt = &_app_evt; |
| 287 | session_transport_attr_msg_t *mp; |
| 288 | svm_msg_q_t *mq; |
| 289 | f64 timeout; |
| 290 | |
| 291 | ASSERT (!wrk->session_attr_op); |
Liangxing Wang | 2211277 | 2022-05-13 04:24:19 +0000 | [diff] [blame] | 292 | mq = s->vpp_evt_q; |
| 293 | if (PREDICT_FALSE (!mq)) |
| 294 | { |
| 295 | /* FIXME: attribute should be stored and sent once session is |
| 296 | * bound/connected to vpp */ |
| 297 | return 0; |
| 298 | } |
| 299 | |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 300 | wrk->session_attr_op = 1; |
| 301 | wrk->session_attr_op_rv = -1; |
| 302 | |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 303 | app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_TRANSPORT_ATTR); |
| 304 | mp = (session_transport_attr_msg_t *) app_evt->evt->data; |
| 305 | memset (mp, 0, sizeof (*mp)); |
| 306 | mp->client_index = wrk->api_client_handle; |
| 307 | mp->handle = s->vpp_handle; |
| 308 | mp->is_get = is_get; |
| 309 | mp->attr = *attr; |
| 310 | app_send_ctrl_evt_to_vpp (mq, app_evt); |
| 311 | |
| 312 | timeout = clib_time_now (&wrk->clib_time) + 1; |
| 313 | |
| 314 | while (wrk->session_attr_op && clib_time_now (&wrk->clib_time) < timeout) |
| 315 | vcl_flush_mq_events (); |
| 316 | |
| 317 | if (!wrk->session_attr_op_rv && is_get) |
| 318 | *attr = wrk->session_attr_rv; |
| 319 | |
| 320 | wrk->session_attr_op = 0; |
| 321 | |
| 322 | return wrk->session_attr_op_rv; |
| 323 | } |
| 324 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 325 | static u32 |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 326 | vcl_session_accepted_handler (vcl_worker_t * wrk, session_accepted_msg_t * mp, |
| 327 | u32 ls_index) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 328 | { |
| 329 | vcl_session_t *session, *listen_session; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 330 | svm_msg_q_t *evt_q; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 331 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 332 | session = vcl_session_alloc (wrk); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 333 | |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 334 | listen_session = vcl_session_get (wrk, ls_index); |
| 335 | if (listen_session->vpp_handle != mp->listener_handle) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 336 | { |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 337 | VDBG (0, "ERROR: listener handle %lu does not match session %u", |
| 338 | mp->listener_handle, ls_index); |
| 339 | goto error; |
| 340 | } |
| 341 | |
Florin Coras | f6e284b | 2021-07-21 18:17:20 -0700 | [diff] [blame] | 342 | if (vcl_segment_attach_session ( |
| 343 | mp->segment_handle, mp->server_rx_fifo, mp->server_tx_fifo, |
| 344 | mp->vpp_event_queue_address, mp->mq_index, 0, session)) |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 345 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 346 | VDBG (0, "session %u [0x%llx]: failed to attach fifos", |
| 347 | session->session_index, mp->handle); |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 348 | goto error; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 349 | } |
| 350 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 351 | session->vpp_handle = mp->handle; |
Florin Coras | dfffdd7 | 2020-10-15 10:54:47 -0700 | [diff] [blame] | 352 | session->session_state = VCL_STATE_READY; |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 353 | session->transport.rmt_port = mp->rmt.port; |
| 354 | session->transport.is_ip4 = mp->rmt.is_ip4; |
| 355 | clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip, |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 356 | sizeof (ip46_address_t)); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 357 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 358 | vcl_session_table_add_vpp_handle (wrk, mp->handle, session->session_index); |
Florin Coras | 67c90a3 | 2021-03-09 18:36:06 -0800 | [diff] [blame] | 359 | session->transport.lcl_port = mp->lcl.port; |
| 360 | session->transport.lcl_ip = mp->lcl.ip; |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 361 | session->session_type = listen_session->session_type; |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 362 | session->is_dgram = vcl_proto_is_dgram (session->session_type); |
| 363 | session->listener_index = listen_session->session_index; |
| 364 | listen_session->n_accepted_sessions++; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 365 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 366 | vcl_evt (VCL_EVT_ACCEPT, session, listen_session, session_index); |
| 367 | |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 368 | vcl_send_session_accepted_reply (session->vpp_evt_q, mp->context, |
| 369 | session->vpp_handle, 0); |
| 370 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 371 | return session->session_index; |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 372 | |
| 373 | error: |
Florin Coras | b462418 | 2020-12-11 13:58:12 -0800 | [diff] [blame] | 374 | vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0), |
| 375 | mp->vpp_event_queue_address, mp->mq_index, &evt_q); |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 376 | vcl_send_session_accepted_reply (evt_q, mp->context, mp->handle, |
| 377 | VNET_API_ERROR_INVALID_ARGUMENT); |
| 378 | vcl_session_free (wrk, session); |
| 379 | return VCL_INVALID_SESSION_INDEX; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | static u32 |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 383 | vcl_session_connected_handler (vcl_worker_t * wrk, |
| 384 | session_connected_msg_t * mp) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 385 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 386 | vcl_session_t *session = 0; |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 387 | u32 session_index; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 388 | |
| 389 | session_index = mp->context; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 390 | session = vcl_session_get (wrk, session_index); |
Florin Coras | ef2c0f1 | 2021-11-10 22:44:52 -0800 | [diff] [blame] | 391 | if (PREDICT_FALSE (!session)) |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 392 | { |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 393 | VERR ("vpp handle 0x%llx has no session index (%u)!", mp->handle, |
| 394 | session_index); |
Florin Coras | ef2c0f1 | 2021-11-10 22:44:52 -0800 | [diff] [blame] | 395 | /* Should not happen but if it does, force vpp session cleanup */ |
| 396 | vcl_session_t tmp_session = { |
| 397 | .vpp_handle = mp->handle, |
| 398 | .vpp_evt_q = 0, |
| 399 | }; |
| 400 | vcl_segment_attach_session ( |
| 401 | mp->segment_handle, mp->server_rx_fifo, mp->server_tx_fifo, |
| 402 | mp->vpp_event_queue_address, mp->mq_index, 0, session); |
| 403 | if (tmp_session.vpp_evt_q) |
| 404 | vcl_send_session_disconnect (wrk, &tmp_session); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 405 | return VCL_INVALID_SESSION_INDEX; |
| 406 | } |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 407 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 408 | if (mp->retval) |
| 409 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 410 | VDBG (0, "session %u: connect failed! %U", session_index, |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 411 | format_session_error, mp->retval); |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 412 | session->session_state = VCL_STATE_DETACHED; |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 413 | session->vpp_handle = VCL_INVALID_SESSION_HANDLE; |
Radha krishna Saragadam | dd92bde | 2022-07-18 19:41:05 +0530 | [diff] [blame] | 414 | session->vpp_error = mp->retval; |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 415 | return session_index; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 416 | } |
| 417 | |
Florin Coras | dbc9c59 | 2019-09-25 16:37:43 -0700 | [diff] [blame] | 418 | session->vpp_handle = mp->handle; |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 419 | |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 420 | /* Add to lookup table. Even if something fails, session cannot be |
| 421 | * cleaned up prior to notifying vpp and going through the cleanup |
| 422 | * "procedure" see @ref vcl_session_cleanup_handler */ |
| 423 | vcl_session_table_add_vpp_handle (wrk, mp->handle, session_index); |
| 424 | |
Florin Coras | f6e284b | 2021-07-21 18:17:20 -0700 | [diff] [blame] | 425 | if (vcl_segment_attach_session ( |
| 426 | mp->segment_handle, mp->server_rx_fifo, mp->server_tx_fifo, |
| 427 | mp->vpp_event_queue_address, mp->mq_index, 0, session)) |
Florin Coras | d85de68 | 2018-11-29 17:02:29 -0800 | [diff] [blame] | 428 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 429 | VDBG (0, "session %u [0x%llx]: failed to attach fifos", |
| 430 | session->session_index, session->vpp_handle); |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 431 | session->session_state = VCL_STATE_UPDATED; |
Florin Coras | dbc9c59 | 2019-09-25 16:37:43 -0700 | [diff] [blame] | 432 | vcl_send_session_disconnect (wrk, session); |
| 433 | return session_index; |
Florin Coras | d85de68 | 2018-11-29 17:02:29 -0800 | [diff] [blame] | 434 | } |
| 435 | |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 436 | if (mp->ct_rx_fifo) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 437 | { |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 438 | if (vcl_segment_attach_session (mp->ct_segment_handle, mp->ct_rx_fifo, |
Florin Coras | f6e284b | 2021-07-21 18:17:20 -0700 | [diff] [blame] | 439 | mp->ct_tx_fifo, (uword) ~0, ~0, 1, |
| 440 | session)) |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 441 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 442 | VDBG (0, "session %u [0x%llx]: failed to attach ct fifos", |
| 443 | session->session_index, session->vpp_handle); |
Florin Coras | 8d42c75 | 2021-11-29 23:26:19 -0800 | [diff] [blame] | 444 | session->session_state = VCL_STATE_UPDATED; |
Florin Coras | dbc9c59 | 2019-09-25 16:37:43 -0700 | [diff] [blame] | 445 | vcl_send_session_disconnect (wrk, session); |
| 446 | return session_index; |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 447 | } |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 448 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 449 | |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 450 | session->transport.is_ip4 = mp->lcl.is_ip4; |
| 451 | clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip, |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 452 | sizeof (session->transport.lcl_ip)); |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 453 | session->transport.lcl_port = mp->lcl.port; |
Florin Coras | a5ea821 | 2020-08-24 21:23:51 -0700 | [diff] [blame] | 454 | |
| 455 | /* Application closed session before connect reply */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 456 | if (vcl_session_has_attr (session, VCL_SESS_ATTR_NONBLOCK) |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 457 | && session->session_state == VCL_STATE_CLOSED) |
Florin Coras | a5ea821 | 2020-08-24 21:23:51 -0700 | [diff] [blame] | 458 | vcl_send_session_disconnect (wrk, session); |
| 459 | else |
Florin Coras | dfffdd7 | 2020-10-15 10:54:47 -0700 | [diff] [blame] | 460 | session->session_state = VCL_STATE_READY; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 461 | |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 462 | VDBG (0, "session %u [0x%llx] connected local: %U:%u remote %U:%u", |
| 463 | session->session_index, session->vpp_handle, vcl_format_ip46_address, |
| 464 | &session->transport.lcl_ip, |
| 465 | session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
| 466 | clib_net_to_host_u16 (session->transport.lcl_port), |
| 467 | vcl_format_ip46_address, &session->transport.rmt_ip, |
| 468 | session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
| 469 | clib_net_to_host_u16 (session->transport.rmt_port)); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 470 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 471 | return session_index; |
| 472 | } |
| 473 | |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 474 | static int |
| 475 | vcl_flag_accepted_session (vcl_session_t * session, u64 handle, u32 flags) |
| 476 | { |
| 477 | vcl_session_msg_t *accepted_msg; |
| 478 | int i; |
| 479 | |
| 480 | for (i = 0; i < vec_len (session->accept_evts_fifo); i++) |
| 481 | { |
| 482 | accepted_msg = &session->accept_evts_fifo[i]; |
| 483 | if (accepted_msg->accepted_msg.handle == handle) |
| 484 | { |
Florin Coras | b0f662f | 2018-12-27 14:51:46 -0800 | [diff] [blame] | 485 | accepted_msg->flags |= flags; |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 486 | return 1; |
| 487 | } |
| 488 | } |
| 489 | return 0; |
| 490 | } |
| 491 | |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 492 | static u32 |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 493 | vcl_session_reset_handler (vcl_worker_t * wrk, |
| 494 | session_reset_msg_t * reset_msg) |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 495 | { |
| 496 | vcl_session_t *session; |
| 497 | u32 sid; |
| 498 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 499 | sid = vcl_session_index_from_vpp_handle (wrk, reset_msg->handle); |
| 500 | session = vcl_session_get (wrk, sid); |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 501 | if (!session) |
| 502 | { |
| 503 | VDBG (0, "request to reset unknown handle 0x%llx", reset_msg->handle); |
| 504 | return VCL_INVALID_SESSION_INDEX; |
| 505 | } |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 506 | |
| 507 | /* Caught a reset before actually accepting the session */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 508 | if (session->session_state == VCL_STATE_LISTEN) |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 509 | { |
| 510 | |
| 511 | if (!vcl_flag_accepted_session (session, reset_msg->handle, |
| 512 | VCL_ACCEPTED_F_RESET)) |
| 513 | VDBG (0, "session was not accepted!"); |
| 514 | return VCL_INVALID_SESSION_INDEX; |
| 515 | } |
| 516 | |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 517 | if (session->session_state != VCL_STATE_CLOSED) |
| 518 | session->session_state = VCL_STATE_DISCONNECT; |
Yacan Liu | f5e0a17 | 2022-09-20 14:19:19 +0800 | [diff] [blame] | 519 | |
| 520 | session->flags |= (VCL_SESSION_F_RD_SHUTDOWN | VCL_SESSION_F_WR_SHUTDOWN); |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 521 | VDBG (0, "session %u [0x%llx]: reset", sid, reset_msg->handle); |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 522 | return sid; |
| 523 | } |
| 524 | |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 525 | static u32 |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 526 | vcl_session_bound_handler (vcl_worker_t * wrk, session_bound_msg_t * mp) |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 527 | { |
| 528 | vcl_session_t *session; |
| 529 | u32 sid = mp->context; |
| 530 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 531 | session = vcl_session_get (wrk, sid); |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 532 | if (mp->retval) |
| 533 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 534 | VERR ("session %u [0x%llx]: bind failed: %U", sid, mp->handle, |
Florin Coras | 00e01d3 | 2019-10-21 16:07:46 -0700 | [diff] [blame] | 535 | format_session_error, mp->retval); |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 536 | if (session) |
| 537 | { |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 538 | session->session_state = VCL_STATE_DETACHED; |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 539 | session->vpp_handle = mp->handle; |
| 540 | return sid; |
| 541 | } |
| 542 | else |
| 543 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 544 | VDBG (0, "session %u [0x%llx]: Invalid session index!", sid, |
| 545 | mp->handle); |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 546 | return VCL_INVALID_SESSION_INDEX; |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | session->vpp_handle = mp->handle; |
| 551 | session->transport.is_ip4 = mp->lcl_is_ip4; |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 552 | clib_memcpy_fast (&session->transport.lcl_ip, mp->lcl_ip, |
| 553 | sizeof (ip46_address_t)); |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 554 | session->transport.lcl_port = mp->lcl_port; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 555 | vcl_session_table_add_listener (wrk, mp->handle, sid); |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 556 | session->session_state = VCL_STATE_LISTEN; |
Florin Coras | 5f45e01 | 2019-01-23 09:21:30 -0800 | [diff] [blame] | 557 | |
Florin Coras | 6e3c1f8 | 2020-01-15 01:30:46 +0000 | [diff] [blame] | 558 | if (vcl_session_is_cl (session)) |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 559 | { |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 560 | if (vcl_segment_attach_session (mp->segment_handle, mp->rx_fifo, |
Florin Coras | f6e284b | 2021-07-21 18:17:20 -0700 | [diff] [blame] | 561 | mp->tx_fifo, mp->vpp_evt_q, mp->mq_index, |
| 562 | 0, session)) |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 563 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 564 | VDBG (0, "session %u [0x%llx]: failed to attach fifos", |
| 565 | session->session_index, session->vpp_handle); |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 566 | session->session_state = VCL_STATE_DETACHED; |
| 567 | return VCL_INVALID_SESSION_INDEX; |
| 568 | } |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 569 | } |
| 570 | |
Florin Coras | 05ecfcc | 2018-12-12 18:19:39 -0800 | [diff] [blame] | 571 | VDBG (0, "session %u [0x%llx]: listen succeeded!", sid, mp->handle); |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 572 | return sid; |
| 573 | } |
| 574 | |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 575 | static void |
| 576 | vcl_session_unlisten_reply_handler (vcl_worker_t * wrk, void *data) |
| 577 | { |
| 578 | session_unlisten_reply_msg_t *mp = (session_unlisten_reply_msg_t *) data; |
| 579 | vcl_session_t *s; |
| 580 | |
| 581 | s = vcl_session_get_w_vpp_handle (wrk, mp->handle); |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 582 | if (!s) |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 583 | { |
| 584 | VDBG (0, "Unlisten reply with wrong handle %llx", mp->handle); |
| 585 | return; |
| 586 | } |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 587 | if (s->session_state != VCL_STATE_DISCONNECT) |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 588 | { |
| 589 | /* Connected udp listener */ |
| 590 | if (s->session_type == VPPCOM_PROTO_UDP |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 591 | && s->session_state == VCL_STATE_CLOSED) |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 592 | return; |
| 593 | |
| 594 | VDBG (0, "Unlisten session in wrong state %llx", mp->handle); |
| 595 | return; |
| 596 | } |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 597 | |
| 598 | if (mp->retval) |
| 599 | VDBG (0, "ERROR: session %u [0xllx]: unlisten failed: %U", |
Florin Coras | 00e01d3 | 2019-10-21 16:07:46 -0700 | [diff] [blame] | 600 | s->session_index, mp->handle, format_session_error, mp->retval); |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 601 | |
| 602 | if (mp->context != wrk->wrk_index) |
| 603 | VDBG (0, "wrong context"); |
| 604 | |
| 605 | vcl_session_table_del_vpp_handle (wrk, mp->handle); |
| 606 | vcl_session_free (wrk, s); |
| 607 | } |
| 608 | |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 609 | static void |
| 610 | vcl_session_migrated_handler (vcl_worker_t * wrk, void *data) |
| 611 | { |
| 612 | session_migrated_msg_t *mp = (session_migrated_msg_t *) data; |
| 613 | vcl_session_t *s; |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 614 | u32 fs_index; |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 615 | |
| 616 | s = vcl_session_get_w_vpp_handle (wrk, mp->handle); |
| 617 | if (!s) |
| 618 | { |
| 619 | VDBG (0, "Migrated notification with wrong handle %llx", mp->handle); |
| 620 | return; |
| 621 | } |
| 622 | |
Florin Coras | 1bb7494 | 2021-02-10 15:26:37 -0800 | [diff] [blame] | 623 | /* Only validate if a value is provided */ |
| 624 | if (mp->segment_handle != SESSION_INVALID_HANDLE) |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 625 | { |
Florin Coras | 1bb7494 | 2021-02-10 15:26:37 -0800 | [diff] [blame] | 626 | fs_index = vcl_segment_table_lookup (mp->segment_handle); |
| 627 | if (fs_index == VCL_INVALID_SEGMENT_INDEX) |
| 628 | { |
| 629 | VDBG (0, "segment %lx for session %u is not mounted!", |
| 630 | mp->segment_handle, s->session_index); |
| 631 | s->session_state = VCL_STATE_DETACHED; |
| 632 | return; |
| 633 | } |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 634 | } |
| 635 | |
Florin Coras | 57660d9 | 2020-04-04 22:45:34 +0000 | [diff] [blame] | 636 | s->vpp_handle = mp->new_handle; |
Florin Coras | b462418 | 2020-12-11 13:58:12 -0800 | [diff] [blame] | 637 | |
| 638 | vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0), mp->vpp_evt_q, |
| 639 | mp->vpp_thread_index, &s->vpp_evt_q); |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 640 | |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 641 | vcl_session_table_del_vpp_handle (wrk, mp->handle); |
| 642 | vcl_session_table_add_vpp_handle (wrk, mp->new_handle, s->session_index); |
| 643 | |
| 644 | /* Generate new tx event if we have outstanding data */ |
| 645 | if (svm_fifo_has_event (s->tx_fifo)) |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 646 | app_send_io_evt_to_vpp (s->vpp_evt_q, |
| 647 | s->tx_fifo->shr->master_session_index, |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 648 | SESSION_IO_EVT_TX, SVM_Q_WAIT); |
| 649 | |
Florin Coras | 57660d9 | 2020-04-04 22:45:34 +0000 | [diff] [blame] | 650 | VDBG (0, "Migrated 0x%lx to thread %u 0x%lx", mp->handle, |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 651 | mp->vpp_thread_index, mp->new_handle); |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 652 | } |
| 653 | |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 654 | static vcl_session_t * |
| 655 | vcl_session_accepted (vcl_worker_t * wrk, session_accepted_msg_t * msg) |
| 656 | { |
| 657 | vcl_session_msg_t *vcl_msg; |
| 658 | vcl_session_t *session; |
| 659 | |
| 660 | session = vcl_session_get_w_vpp_handle (wrk, msg->handle); |
| 661 | if (PREDICT_FALSE (session != 0)) |
Florin Coras | b0f662f | 2018-12-27 14:51:46 -0800 | [diff] [blame] | 662 | VWRN ("session overlap handle %lu state %u!", msg->handle, |
| 663 | session->session_state); |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 664 | |
| 665 | session = vcl_session_table_lookup_listener (wrk, msg->listener_handle); |
| 666 | if (!session) |
| 667 | { |
| 668 | VERR ("couldn't find listen session: listener handle %llx", |
| 669 | msg->listener_handle); |
| 670 | return 0; |
| 671 | } |
| 672 | |
| 673 | clib_fifo_add2 (session->accept_evts_fifo, vcl_msg); |
Florin Coras | e88845e | 2020-02-13 20:04:28 +0000 | [diff] [blame] | 674 | vcl_msg->flags = 0; |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 675 | vcl_msg->accepted_msg = *msg; |
| 676 | /* Session handle points to listener until fully accepted by app */ |
| 677 | vcl_session_table_add_vpp_handle (wrk, msg->handle, session->session_index); |
| 678 | |
| 679 | return session; |
| 680 | } |
| 681 | |
| 682 | static vcl_session_t * |
| 683 | vcl_session_disconnected_handler (vcl_worker_t * wrk, |
| 684 | session_disconnected_msg_t * msg) |
| 685 | { |
| 686 | vcl_session_t *session; |
| 687 | |
| 688 | session = vcl_session_get_w_vpp_handle (wrk, msg->handle); |
| 689 | if (!session) |
| 690 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 691 | VWRN ("request to disconnect unknown handle 0x%llx", msg->handle); |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 692 | return 0; |
| 693 | } |
| 694 | |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 695 | /* Late disconnect notification on a session that has been closed */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 696 | if (session->session_state == VCL_STATE_CLOSED) |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 697 | return 0; |
| 698 | |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 699 | /* Caught a disconnect before actually accepting the session */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 700 | if (session->session_state == VCL_STATE_LISTEN) |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 701 | { |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 702 | if (!vcl_flag_accepted_session (session, msg->handle, |
| 703 | VCL_ACCEPTED_F_CLOSED)) |
| 704 | VDBG (0, "session was not accepted!"); |
| 705 | return 0; |
| 706 | } |
| 707 | |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 708 | /* If not already reset change state */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 709 | if (session->session_state != VCL_STATE_DISCONNECT) |
| 710 | session->session_state = VCL_STATE_VPP_CLOSING; |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 711 | |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 712 | return session; |
| 713 | } |
| 714 | |
liuyacan | 534468e | 2021-05-09 03:50:40 +0000 | [diff] [blame] | 715 | int |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 716 | vppcom_session_shutdown (uint32_t session_handle, int how) |
liuyacan | 534468e | 2021-05-09 03:50:40 +0000 | [diff] [blame] | 717 | { |
| 718 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 719 | vcl_session_t *session; |
| 720 | vcl_session_state_t state; |
| 721 | u64 vpp_handle; |
| 722 | |
| 723 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 724 | if (PREDICT_FALSE (!session)) |
| 725 | return VPPCOM_EBADFD; |
| 726 | |
| 727 | vpp_handle = session->vpp_handle; |
| 728 | state = session->session_state; |
| 729 | |
| 730 | VDBG (1, "session %u [0x%llx] state 0x%x (%s)", session->session_index, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 731 | vpp_handle, state, vcl_session_state_str (state)); |
liuyacan | 534468e | 2021-05-09 03:50:40 +0000 | [diff] [blame] | 732 | |
| 733 | if (PREDICT_FALSE (state == VCL_STATE_LISTEN)) |
| 734 | { |
| 735 | VDBG (0, "ERROR: Cannot shutdown a listen socket!"); |
| 736 | return VPPCOM_EBADFD; |
| 737 | } |
| 738 | |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 739 | if (how == SHUT_RD || how == SHUT_RDWR) |
| 740 | { |
| 741 | session->flags |= VCL_SESSION_F_RD_SHUTDOWN; |
| 742 | if (how == SHUT_RD) |
| 743 | return VPPCOM_OK; |
| 744 | } |
| 745 | session->flags |= VCL_SESSION_F_WR_SHUTDOWN; |
| 746 | |
liuyacan | 534468e | 2021-05-09 03:50:40 +0000 | [diff] [blame] | 747 | if (PREDICT_TRUE (state == VCL_STATE_READY)) |
| 748 | { |
| 749 | VDBG (1, "session %u [0x%llx]: sending shutdown...", |
| 750 | session->session_index, vpp_handle); |
| 751 | |
| 752 | vcl_send_session_shutdown (wrk, session); |
liuyacan | 534468e | 2021-05-09 03:50:40 +0000 | [diff] [blame] | 753 | } |
| 754 | |
| 755 | return VPPCOM_OK; |
| 756 | } |
| 757 | |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 758 | static int |
| 759 | vppcom_session_disconnect (u32 session_handle) |
| 760 | { |
| 761 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 762 | vcl_session_t *session, *listen_session; |
| 763 | vcl_session_state_t state; |
| 764 | u64 vpp_handle; |
| 765 | |
| 766 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 767 | if (!session) |
| 768 | return VPPCOM_EBADFD; |
| 769 | |
| 770 | vpp_handle = session->vpp_handle; |
| 771 | state = session->session_state; |
| 772 | |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 773 | VDBG (1, "session %u [0x%llx]: disconnecting state (%s)", |
| 774 | session->session_index, vpp_handle, vcl_session_state_str (state)); |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 775 | |
| 776 | if (PREDICT_FALSE (state == VCL_STATE_LISTEN)) |
| 777 | { |
| 778 | VDBG (0, "ERROR: Cannot disconnect a listen socket!"); |
| 779 | return VPPCOM_EBADFD; |
| 780 | } |
| 781 | |
| 782 | if (state == VCL_STATE_VPP_CLOSING) |
| 783 | { |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 784 | vcl_send_session_disconnected_reply (wrk, session, 0); |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 785 | VDBG (1, "session %u [0x%llx]: sending disconnect REPLY...", |
| 786 | session->session_index, vpp_handle); |
| 787 | } |
| 788 | else |
| 789 | { |
| 790 | /* Session doesn't have an event queue yet. Probably a non-blocking |
| 791 | * connect. Wait for the reply */ |
| 792 | if (PREDICT_FALSE (!session->vpp_evt_q)) |
| 793 | return VPPCOM_OK; |
| 794 | |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 795 | VDBG (1, "session %u [0x%llx]: sending disconnect", |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 796 | session->session_index, vpp_handle); |
| 797 | vcl_send_session_disconnect (wrk, session); |
| 798 | } |
| 799 | |
| 800 | if (session->listener_index != VCL_INVALID_SESSION_INDEX) |
| 801 | { |
| 802 | listen_session = vcl_session_get (wrk, session->listener_index); |
Florin Coras | b52bd3a | 2022-06-28 20:01:20 -0700 | [diff] [blame] | 803 | if (listen_session) |
| 804 | listen_session->n_accepted_sessions--; |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | return VPPCOM_OK; |
| 808 | } |
| 809 | |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 810 | static void |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 811 | vcl_session_cleanup_handler (vcl_worker_t * wrk, void *data) |
| 812 | { |
| 813 | session_cleanup_msg_t *msg; |
| 814 | vcl_session_t *session; |
| 815 | |
| 816 | msg = (session_cleanup_msg_t *) data; |
| 817 | session = vcl_session_get_w_vpp_handle (wrk, msg->handle); |
| 818 | if (!session) |
| 819 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 820 | VWRN ("disconnect confirmed for unknown handle 0x%llx", msg->handle); |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 821 | return; |
| 822 | } |
| 823 | |
Florin Coras | 36d4939 | 2020-04-24 23:00:11 +0000 | [diff] [blame] | 824 | if (msg->type == SESSION_CLEANUP_TRANSPORT) |
| 825 | { |
| 826 | /* Transport was cleaned up before we confirmed close. Probably the |
| 827 | * app is still waiting for some data that cannot be delivered. |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 828 | * Confirm close to make sure everything is cleaned up. |
| 829 | * Move to undetermined state to ensure that the session is not |
| 830 | * removed before both vpp and the app cleanup. |
| 831 | * - If the app closes first, the session is moved to CLOSED state |
| 832 | * and the session cleanup notification from vpp removes the |
| 833 | * session. |
| 834 | * - If vpp cleans up the session first, the session is moved to |
| 835 | * DETACHED state lower and subsequently the close from the app |
| 836 | * frees the session |
| 837 | */ |
| 838 | if (session->session_state == VCL_STATE_VPP_CLOSING) |
Florin Coras | 0ff7eec | 2020-08-03 18:55:40 -0700 | [diff] [blame] | 839 | { |
Florin Coras | 2bd8b3a | 2020-10-25 20:28:23 -0700 | [diff] [blame] | 840 | vppcom_session_disconnect (vcl_session_handle (session)); |
| 841 | session->session_state = VCL_STATE_UPDATED; |
| 842 | } |
| 843 | else if (session->session_state == VCL_STATE_DISCONNECT) |
| 844 | { |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 845 | vcl_send_session_reset_reply (wrk, session, 0); |
Florin Coras | 0ff7eec | 2020-08-03 18:55:40 -0700 | [diff] [blame] | 846 | session->session_state = VCL_STATE_UPDATED; |
| 847 | } |
Florin Coras | 36d4939 | 2020-04-24 23:00:11 +0000 | [diff] [blame] | 848 | return; |
| 849 | } |
| 850 | |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 851 | /* VPP will reuse the handle so clean it up now */ |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 852 | vcl_session_table_del_vpp_handle (wrk, msg->handle); |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 853 | |
| 854 | /* App did not close the connection yet so don't free it. */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 855 | if (session->session_state != VCL_STATE_CLOSED) |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 856 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 857 | VDBG (0, "session %u: app did not close", session->session_index); |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 858 | session->session_state = VCL_STATE_DETACHED; |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 859 | session->vpp_handle = VCL_INVALID_SESSION_HANDLE; |
| 860 | return; |
| 861 | } |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 862 | |
| 863 | /* Session probably tracked with epoll, disconnect not yet handled and |
| 864 | * 1) both transport and session cleanup completed 2) app closed. Wait |
| 865 | * until message is drained to free the session. |
| 866 | * See @ref vcl_handle_mq_event */ |
| 867 | if (session->flags & VCL_SESSION_F_PENDING_DISCONNECT) |
| 868 | { |
| 869 | session->flags |= VCL_SESSION_F_PENDING_FREE; |
| 870 | return; |
| 871 | } |
| 872 | |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 873 | vcl_session_free (wrk, session); |
| 874 | } |
| 875 | |
| 876 | static void |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 877 | vcl_session_req_worker_update_handler (vcl_worker_t * wrk, void *data) |
| 878 | { |
| 879 | session_req_worker_update_msg_t *msg; |
| 880 | vcl_session_t *s; |
| 881 | |
| 882 | msg = (session_req_worker_update_msg_t *) data; |
| 883 | s = vcl_session_get_w_vpp_handle (wrk, msg->session_handle); |
| 884 | if (!s) |
| 885 | return; |
| 886 | |
| 887 | vec_add1 (wrk->pending_session_wrk_updates, s->session_index); |
| 888 | } |
| 889 | |
| 890 | static void |
| 891 | vcl_session_worker_update_reply_handler (vcl_worker_t * wrk, void *data) |
| 892 | { |
| 893 | session_worker_update_reply_msg_t *msg; |
| 894 | vcl_session_t *s; |
| 895 | |
| 896 | msg = (session_worker_update_reply_msg_t *) data; |
| 897 | s = vcl_session_get_w_vpp_handle (wrk, msg->handle); |
| 898 | if (!s) |
| 899 | { |
| 900 | VDBG (0, "unknown handle 0x%llx", msg->handle); |
| 901 | return; |
| 902 | } |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 903 | |
Florin Coras | 5f45e01 | 2019-01-23 09:21:30 -0800 | [diff] [blame] | 904 | if (s->rx_fifo) |
| 905 | { |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 906 | if (vcl_segment_attach_session (msg->segment_handle, msg->rx_fifo, |
Florin Coras | f6e284b | 2021-07-21 18:17:20 -0700 | [diff] [blame] | 907 | msg->tx_fifo, (uword) ~0, ~0, 0, s)) |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 908 | { |
| 909 | VDBG (0, "failed to attach fifos for %u", s->session_index); |
| 910 | return; |
| 911 | } |
Florin Coras | 5f45e01 | 2019-01-23 09:21:30 -0800 | [diff] [blame] | 912 | } |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 913 | s->session_state = VCL_STATE_UPDATED; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 914 | |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 915 | VDBG (0, "session %u[0x%llx] moved to worker %u", s->session_index, |
| 916 | s->vpp_handle, wrk->wrk_index); |
| 917 | } |
| 918 | |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 919 | static int |
| 920 | vcl_api_recv_fd (vcl_worker_t * wrk, int *fds, int n_fds) |
| 921 | { |
| 922 | |
| 923 | if (vcm->cfg.vpp_app_socket_api) |
| 924 | return vcl_sapi_recv_fds (wrk, fds, n_fds); |
| 925 | |
| 926 | return vcl_bapi_recv_fds (wrk, fds, n_fds); |
| 927 | } |
| 928 | |
Florin Coras | c4c4cf5 | 2019-08-24 18:17:34 -0700 | [diff] [blame] | 929 | static void |
| 930 | vcl_session_app_add_segment_handler (vcl_worker_t * wrk, void *data) |
| 931 | { |
| 932 | ssvm_segment_type_t seg_type = SSVM_SEGMENT_SHM; |
| 933 | session_app_add_segment_msg_t *msg; |
| 934 | u64 segment_handle; |
| 935 | int fd = -1; |
| 936 | |
| 937 | msg = (session_app_add_segment_msg_t *) data; |
| 938 | |
| 939 | if (msg->fd_flags) |
| 940 | { |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 941 | vcl_api_recv_fd (wrk, &fd, 1); |
Florin Coras | c4c4cf5 | 2019-08-24 18:17:34 -0700 | [diff] [blame] | 942 | seg_type = SSVM_SEGMENT_MEMFD; |
| 943 | } |
| 944 | |
| 945 | segment_handle = msg->segment_handle; |
| 946 | if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) |
| 947 | { |
| 948 | clib_warning ("invalid segment handle"); |
| 949 | return; |
| 950 | } |
| 951 | |
| 952 | if (vcl_segment_attach (segment_handle, (char *) msg->segment_name, |
| 953 | seg_type, fd)) |
| 954 | { |
| 955 | VDBG (0, "vcl_segment_attach ('%s') failed", msg->segment_name); |
| 956 | return; |
| 957 | } |
| 958 | |
| 959 | VDBG (1, "mapped new segment '%s' size %d", msg->segment_name, |
| 960 | msg->segment_size); |
| 961 | } |
| 962 | |
| 963 | static void |
| 964 | vcl_session_app_del_segment_handler (vcl_worker_t * wrk, void *data) |
| 965 | { |
| 966 | session_app_del_segment_msg_t *msg = (session_app_del_segment_msg_t *) data; |
| 967 | vcl_segment_detach (msg->segment_handle); |
| 968 | VDBG (1, "Unmapped segment: %d", msg->segment_handle); |
| 969 | } |
| 970 | |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 971 | static void |
| 972 | vcl_worker_rpc_handler (vcl_worker_t * wrk, void *data) |
| 973 | { |
| 974 | if (!vcm->wrk_rpc_fn) |
| 975 | return; |
| 976 | |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 977 | (vcm->wrk_rpc_fn) (((session_app_wrk_rpc_msg_t *) data)->data); |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 978 | } |
| 979 | |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 980 | static void |
| 981 | vcl_session_transport_attr_reply_handler (vcl_worker_t *wrk, void *data) |
| 982 | { |
| 983 | session_transport_attr_reply_msg_t *mp; |
| 984 | |
| 985 | if (!wrk->session_attr_op) |
| 986 | return; |
| 987 | |
| 988 | mp = (session_transport_attr_reply_msg_t *) data; |
| 989 | |
| 990 | wrk->session_attr_op_rv = mp->retval; |
| 991 | wrk->session_attr_op = 0; |
| 992 | wrk->session_attr_rv = mp->attr; |
| 993 | } |
| 994 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 995 | static int |
| 996 | vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 997 | { |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 998 | session_disconnected_msg_t *disconnected_msg; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 999 | session_connected_msg_t *connected_msg; |
| 1000 | session_reset_msg_t *reset_msg; |
| 1001 | session_event_t *ecpy; |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1002 | vcl_session_t *s; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1003 | u32 sid; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1004 | |
| 1005 | switch (e->event_type) |
| 1006 | { |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 1007 | case SESSION_IO_EVT_RX: |
| 1008 | case SESSION_IO_EVT_TX: |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1009 | s = vcl_session_get (wrk, e->session_index); |
Florin Coras | 1bc919e | 2020-10-18 20:17:49 -0700 | [diff] [blame] | 1010 | if (!s || !vcl_session_is_open (s)) |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 1011 | break; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 1012 | vec_add1 (wrk->unhandled_evts_vector, *e); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1013 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1014 | case SESSION_CTRL_EVT_BOUND: |
| 1015 | /* We can only wait for only one listen so not postponed */ |
| 1016 | vcl_session_bound_handler (wrk, (session_bound_msg_t *) e->data); |
| 1017 | break; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1018 | case SESSION_CTRL_EVT_ACCEPTED: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1019 | s = vcl_session_accepted (wrk, (session_accepted_msg_t *) e->data); |
| 1020 | if (vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK)) |
| 1021 | { |
| 1022 | vec_add2 (wrk->unhandled_evts_vector, ecpy, 1); |
| 1023 | *ecpy = *e; |
| 1024 | ecpy->postponed = 1; |
| 1025 | ecpy->session_index = s->session_index; |
| 1026 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1027 | break; |
| 1028 | case SESSION_CTRL_EVT_CONNECTED: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1029 | connected_msg = (session_connected_msg_t *) e->data; |
| 1030 | sid = vcl_session_connected_handler (wrk, connected_msg); |
| 1031 | if (!(s = vcl_session_get (wrk, sid))) |
| 1032 | break; |
| 1033 | if (vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK)) |
| 1034 | { |
| 1035 | vec_add2 (wrk->unhandled_evts_vector, ecpy, 1); |
| 1036 | *ecpy = *e; |
| 1037 | ecpy->postponed = 1; |
| 1038 | ecpy->session_index = s->session_index; |
| 1039 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1040 | break; |
| 1041 | case SESSION_CTRL_EVT_DISCONNECTED: |
| 1042 | disconnected_msg = (session_disconnected_msg_t *) e->data; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1043 | if (!(s = vcl_session_get_w_vpp_handle (wrk, disconnected_msg->handle))) |
| 1044 | break; |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 1045 | if (s->session_state == VCL_STATE_CLOSED) |
| 1046 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1047 | if (vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK)) |
| 1048 | { |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 1049 | s->session_state = VCL_STATE_VPP_CLOSING; |
| 1050 | s->flags |= VCL_SESSION_F_PENDING_DISCONNECT; |
| 1051 | vec_add2 (wrk->unhandled_evts_vector, ecpy, 1); |
| 1052 | *ecpy = *e; |
| 1053 | ecpy->postponed = 1; |
| 1054 | ecpy->session_index = s->session_index; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1055 | break; |
| 1056 | } |
| 1057 | if (!(s = vcl_session_disconnected_handler (wrk, disconnected_msg))) |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1058 | break; |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1059 | VDBG (0, "disconnected session %u [0x%llx]", s->session_index, |
| 1060 | s->vpp_handle); |
Florin Coras | c9fbd66 | 2018-08-24 12:59:56 -0700 | [diff] [blame] | 1061 | break; |
| 1062 | case SESSION_CTRL_EVT_RESET: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1063 | reset_msg = (session_reset_msg_t *) e->data; |
| 1064 | if (!(s = vcl_session_get_w_vpp_handle (wrk, reset_msg->handle))) |
| 1065 | break; |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 1066 | if (s->session_state == VCL_STATE_CLOSED) |
| 1067 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1068 | if (vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK)) |
| 1069 | { |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 1070 | s->flags |= VCL_SESSION_F_PENDING_DISCONNECT; |
| 1071 | s->session_state = VCL_STATE_DISCONNECT; |
Yacan Liu | f5e0a17 | 2022-09-20 14:19:19 +0800 | [diff] [blame] | 1072 | s->flags |= (VCL_SESSION_F_RD_SHUTDOWN | VCL_SESSION_F_WR_SHUTDOWN); |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 1073 | vec_add2 (wrk->unhandled_evts_vector, ecpy, 1); |
| 1074 | *ecpy = *e; |
| 1075 | ecpy->postponed = 1; |
| 1076 | ecpy->session_index = s->session_index; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 1077 | break; |
| 1078 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1079 | vcl_session_reset_handler (wrk, (session_reset_msg_t *) e->data); |
Florin Coras | 6011699 | 2018-08-27 09:52:18 -0700 | [diff] [blame] | 1080 | break; |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 1081 | case SESSION_CTRL_EVT_UNLISTEN_REPLY: |
| 1082 | vcl_session_unlisten_reply_handler (wrk, e->data); |
| 1083 | break; |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 1084 | case SESSION_CTRL_EVT_MIGRATED: |
| 1085 | vcl_session_migrated_handler (wrk, e->data); |
| 1086 | break; |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1087 | case SESSION_CTRL_EVT_CLEANUP: |
| 1088 | vcl_session_cleanup_handler (wrk, e->data); |
| 1089 | break; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1090 | case SESSION_CTRL_EVT_REQ_WORKER_UPDATE: |
| 1091 | vcl_session_req_worker_update_handler (wrk, e->data); |
| 1092 | break; |
| 1093 | case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY: |
| 1094 | vcl_session_worker_update_reply_handler (wrk, e->data); |
| 1095 | break; |
Florin Coras | c4c4cf5 | 2019-08-24 18:17:34 -0700 | [diff] [blame] | 1096 | case SESSION_CTRL_EVT_APP_ADD_SEGMENT: |
| 1097 | vcl_session_app_add_segment_handler (wrk, e->data); |
| 1098 | break; |
| 1099 | case SESSION_CTRL_EVT_APP_DEL_SEGMENT: |
| 1100 | vcl_session_app_del_segment_handler (wrk, e->data); |
| 1101 | break; |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 1102 | case SESSION_CTRL_EVT_APP_WRK_RPC: |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 1103 | vcl_worker_rpc_handler (wrk, e->data); |
| 1104 | break; |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 1105 | case SESSION_CTRL_EVT_TRANSPORT_ATTR_REPLY: |
| 1106 | vcl_session_transport_attr_reply_handler (wrk, e->data); |
| 1107 | break; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1108 | default: |
| 1109 | clib_warning ("unhandled %u", e->event_type); |
| 1110 | } |
| 1111 | return VPPCOM_OK; |
| 1112 | } |
| 1113 | |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1114 | static int |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1115 | vppcom_wait_for_session_state_change (u32 session_index, |
Florin Coras | 288eaab | 2019-02-03 15:26:14 -0800 | [diff] [blame] | 1116 | vcl_session_state_t state, |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1117 | f64 wait_for_time) |
| 1118 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1119 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 1120 | f64 timeout = clib_time_now (&wrk->clib_time) + wait_for_time; |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1121 | vcl_session_t *volatile session; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1122 | svm_msg_q_msg_t msg; |
| 1123 | session_event_t *e; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1124 | |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1125 | do |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1126 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1127 | session = vcl_session_get (wrk, session_index); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1128 | if (PREDICT_FALSE (!session)) |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1129 | { |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1130 | return VPPCOM_EBADFD; |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1131 | } |
Florin Coras | dfffdd7 | 2020-10-15 10:54:47 -0700 | [diff] [blame] | 1132 | if (session->session_state == state) |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1133 | { |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1134 | return VPPCOM_OK; |
| 1135 | } |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1136 | if (session->session_state == VCL_STATE_DETACHED) |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1137 | { |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1138 | return VPPCOM_ECONNREFUSED; |
| 1139 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1140 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1141 | if (svm_msg_q_sub (wrk->app_event_queue, &msg, SVM_Q_NOWAIT, 0)) |
Florin Coras | dc2e251 | 2018-12-03 17:47:26 -0800 | [diff] [blame] | 1142 | { |
| 1143 | usleep (100); |
| 1144 | continue; |
| 1145 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1146 | e = svm_msg_q_msg_data (wrk->app_event_queue, &msg); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 1147 | vcl_handle_mq_event (wrk, e); |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1148 | svm_msg_q_free_msg (wrk->app_event_queue, &msg); |
Florin Coras | dcf55ce | 2017-11-16 15:32:50 -0800 | [diff] [blame] | 1149 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1150 | while (clib_time_now (&wrk->clib_time) < timeout); |
Florin Coras | dcf55ce | 2017-11-16 15:32:50 -0800 | [diff] [blame] | 1151 | |
Florin Coras | 05ecfcc | 2018-12-12 18:19:39 -0800 | [diff] [blame] | 1152 | VDBG (0, "timeout waiting for state 0x%x (%s)", state, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1153 | vcl_session_state_str (state)); |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1154 | vcl_evt (VCL_EVT_SESSION_TIMEOUT, session, session_state); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1155 | |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1156 | return VPPCOM_ETIMEDOUT; |
Dave Wallace | 60caa06 | 2017-11-10 17:07:13 -0500 | [diff] [blame] | 1157 | } |
| 1158 | |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1159 | static void |
| 1160 | vcl_handle_pending_wrk_updates (vcl_worker_t * wrk) |
| 1161 | { |
Florin Coras | 288eaab | 2019-02-03 15:26:14 -0800 | [diff] [blame] | 1162 | vcl_session_state_t state; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1163 | vcl_session_t *s; |
| 1164 | u32 *sip; |
| 1165 | |
| 1166 | if (PREDICT_TRUE (vec_len (wrk->pending_session_wrk_updates) == 0)) |
| 1167 | return; |
| 1168 | |
| 1169 | vec_foreach (sip, wrk->pending_session_wrk_updates) |
| 1170 | { |
| 1171 | s = vcl_session_get (wrk, *sip); |
| 1172 | vcl_send_session_worker_update (wrk, s, wrk->wrk_index); |
| 1173 | state = s->session_state; |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1174 | vppcom_wait_for_session_state_change (s->session_index, VCL_STATE_UPDATED, |
| 1175 | 5); |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1176 | s->session_state = state; |
| 1177 | } |
| 1178 | vec_reset_length (wrk->pending_session_wrk_updates); |
| 1179 | } |
| 1180 | |
Florin Coras | f9240dc | 2019-01-15 08:03:17 -0800 | [diff] [blame] | 1181 | void |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 1182 | vcl_worker_flush_mq_events (vcl_worker_t *wrk) |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1183 | { |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1184 | svm_msg_q_msg_t *msg; |
| 1185 | session_event_t *e; |
| 1186 | svm_msg_q_t *mq; |
| 1187 | int i; |
| 1188 | |
| 1189 | mq = wrk->app_event_queue; |
Florin Coras | e003a1b | 2019-06-05 10:47:16 -0700 | [diff] [blame] | 1190 | vcl_mq_dequeue_batch (wrk, mq, ~0); |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 1191 | |
| 1192 | for (i = 0; i < vec_len (wrk->mq_msg_vector); i++) |
| 1193 | { |
| 1194 | msg = vec_elt_at_index (wrk->mq_msg_vector, i); |
| 1195 | e = svm_msg_q_msg_data (mq, msg); |
| 1196 | vcl_handle_mq_event (wrk, e); |
| 1197 | svm_msg_q_free_msg (mq, msg); |
| 1198 | } |
| 1199 | vec_reset_length (wrk->mq_msg_vector); |
| 1200 | vcl_handle_pending_wrk_updates (wrk); |
| 1201 | } |
| 1202 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 1203 | void |
| 1204 | vcl_flush_mq_events (void) |
| 1205 | { |
| 1206 | vcl_worker_flush_mq_events (vcl_worker_get_current ()); |
| 1207 | } |
| 1208 | |
Florin Coras | 697faea | 2018-06-27 17:10:49 -0700 | [diff] [blame] | 1209 | static int |
Florin Coras | ab2f6db | 2018-08-31 14:31:41 -0700 | [diff] [blame] | 1210 | vppcom_session_unbind (u32 session_handle) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1211 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1212 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | aaff5ee | 2019-07-08 13:00:00 -0700 | [diff] [blame] | 1213 | session_accepted_msg_t *accepted_msg; |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1214 | vcl_session_t *session = 0; |
Florin Coras | aaff5ee | 2019-07-08 13:00:00 -0700 | [diff] [blame] | 1215 | vcl_session_msg_t *evt; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1216 | |
Florin Coras | ab2f6db | 2018-08-31 14:31:41 -0700 | [diff] [blame] | 1217 | session = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1218 | if (!session) |
| 1219 | return VPPCOM_EBADFD; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1220 | |
Florin Coras | aaff5ee | 2019-07-08 13:00:00 -0700 | [diff] [blame] | 1221 | /* Flush pending accept events, if any */ |
| 1222 | while (clib_fifo_elts (session->accept_evts_fifo)) |
| 1223 | { |
| 1224 | clib_fifo_sub2 (session->accept_evts_fifo, evt); |
| 1225 | accepted_msg = &evt->accepted_msg; |
| 1226 | vcl_session_table_del_vpp_handle (wrk, accepted_msg->handle); |
| 1227 | vcl_send_session_accepted_reply (session->vpp_evt_q, |
| 1228 | accepted_msg->context, |
wanghanlin | 785b6ea | 2020-12-10 19:12:22 +0800 | [diff] [blame] | 1229 | accepted_msg->handle, -1); |
Florin Coras | aaff5ee | 2019-07-08 13:00:00 -0700 | [diff] [blame] | 1230 | } |
| 1231 | clib_fifo_free (session->accept_evts_fifo); |
| 1232 | |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 1233 | vcl_send_session_unlisten (wrk, session); |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1234 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1235 | VDBG (1, "session %u [0x%llx]: sending unbind!", session->session_index, |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 1236 | session->vpp_handle); |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 1237 | vcl_evt (VCL_EVT_UNBIND, session); |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 1238 | |
| 1239 | session->vpp_handle = ~0; |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1240 | session->session_state = VCL_STATE_DISCONNECT; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1241 | |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1242 | return VPPCOM_OK; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1243 | } |
| 1244 | |
Florin Coras | 940f78f | 2018-11-30 12:11:20 -0800 | [diff] [blame] | 1245 | /** |
| 1246 | * Handle app exit |
| 1247 | * |
| 1248 | * Notify vpp of the disconnect and mark the worker as free. If we're the |
| 1249 | * last worker, do a full cleanup otherwise, since we're probably a forked |
| 1250 | * child, avoid syscalls as much as possible. We might've lost privileges. |
| 1251 | */ |
| 1252 | void |
| 1253 | vppcom_app_exit (void) |
| 1254 | { |
| 1255 | if (!pool_elts (vcm->workers)) |
| 1256 | return; |
Florin Coras | 01f3f89 | 2018-12-02 12:45:53 -0800 | [diff] [blame] | 1257 | vcl_worker_cleanup (vcl_worker_get_current (), 1 /* notify vpp */ ); |
| 1258 | vcl_set_worker_index (~0); |
Florin Coras | 940f78f | 2018-11-30 12:11:20 -0800 | [diff] [blame] | 1259 | vcl_elog_stop (vcm); |
Florin Coras | 940f78f | 2018-11-30 12:11:20 -0800 | [diff] [blame] | 1260 | } |
| 1261 | |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 1262 | static int |
| 1263 | vcl_api_attach (void) |
| 1264 | { |
| 1265 | if (vcm->cfg.vpp_app_socket_api) |
| 1266 | return vcl_sapi_attach (); |
| 1267 | |
| 1268 | return vcl_bapi_attach (); |
| 1269 | } |
| 1270 | |
Maros Ondrejicka | 0db1575 | 2022-10-12 22:58:01 +0200 | [diff] [blame] | 1271 | int |
| 1272 | vcl_is_first_reattach_to_execute () |
| 1273 | { |
| 1274 | if (vcm->reattach_count == 0) |
| 1275 | return 1; |
| 1276 | |
| 1277 | return 0; |
| 1278 | } |
| 1279 | |
| 1280 | void |
| 1281 | vcl_set_reattach_counter () |
| 1282 | { |
| 1283 | ++vcm->reattach_count; |
| 1284 | |
| 1285 | if (vcm->reattach_count == vec_len (vcm->workers)) |
| 1286 | vcm->reattach_count = 0; |
| 1287 | } |
| 1288 | |
| 1289 | /** |
| 1290 | * Reattach vcl to vpp after it has previously been disconnected. |
| 1291 | * |
| 1292 | * The logic should be: |
| 1293 | * - first worker to hit `vcl_api_retry_attach` should attach to vpp, |
| 1294 | * to reproduce the `vcl_api_attach` in `vppcom_app_create`. |
| 1295 | * - the rest of the workers should `reproduce vcl_worker_register_with_vpp` |
| 1296 | * from `vppcom_worker_register` since they were already allocated. |
| 1297 | */ |
| 1298 | |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 1299 | static void |
Filip Tehlar | 8ccc6b3 | 2022-02-02 17:38:20 +0000 | [diff] [blame] | 1300 | vcl_api_retry_attach (vcl_worker_t *wrk) |
| 1301 | { |
| 1302 | vcl_session_t *s; |
| 1303 | |
Maros Ondrejicka | 0db1575 | 2022-10-12 22:58:01 +0200 | [diff] [blame] | 1304 | clib_spinlock_lock (&vcm->workers_lock); |
| 1305 | if (vcl_is_first_reattach_to_execute ()) |
| 1306 | { |
| 1307 | if (vcl_api_attach ()) |
| 1308 | { |
| 1309 | clib_spinlock_unlock (&vcm->workers_lock); |
| 1310 | return; |
| 1311 | } |
| 1312 | vcl_set_reattach_counter (); |
| 1313 | clib_spinlock_unlock (&vcm->workers_lock); |
| 1314 | } |
| 1315 | else |
| 1316 | { |
| 1317 | vcl_set_reattach_counter (); |
| 1318 | clib_spinlock_unlock (&vcm->workers_lock); |
| 1319 | vcl_worker_register_with_vpp (); |
| 1320 | } |
Filip Tehlar | 8ccc6b3 | 2022-02-02 17:38:20 +0000 | [diff] [blame] | 1321 | |
| 1322 | /* Treat listeners as configuration that needs to be re-added to vpp */ |
| 1323 | pool_foreach (s, wrk->sessions) |
| 1324 | { |
| 1325 | if (s->flags & VCL_SESSION_F_IS_VEP) |
| 1326 | continue; |
| 1327 | if (s->session_state == VCL_STATE_LISTEN_NO_MQ) |
| 1328 | vppcom_session_listen (vcl_session_handle (s), 10); |
| 1329 | else |
| 1330 | VDBG (0, "internal error: unexpected state %d", s->session_state); |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | static void |
| 1335 | vcl_api_handle_disconnect (vcl_worker_t *wrk) |
| 1336 | { |
| 1337 | wrk->api_client_handle = ~0; |
| 1338 | vcl_worker_detach_sessions (wrk); |
| 1339 | } |
| 1340 | |
| 1341 | static void |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 1342 | vcl_api_detach (vcl_worker_t * wrk) |
| 1343 | { |
Florin Coras | d04ea44 | 2022-03-30 16:08:25 -0700 | [diff] [blame] | 1344 | if (wrk->api_client_handle == ~0) |
| 1345 | return; |
| 1346 | |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 1347 | vcl_send_app_detach (wrk); |
| 1348 | |
| 1349 | if (vcm->cfg.vpp_app_socket_api) |
| 1350 | return vcl_sapi_detach (wrk); |
| 1351 | |
| 1352 | return vcl_bapi_disconnect_from_vpp (); |
| 1353 | } |
| 1354 | |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1355 | /* |
| 1356 | * VPPCOM Public API functions |
| 1357 | */ |
| 1358 | int |
Florin Coras | 66ec467 | 2020-06-15 07:59:40 -0700 | [diff] [blame] | 1359 | vppcom_app_create (const char *app_name) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1360 | { |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1361 | vppcom_cfg_t *vcl_cfg = &vcm->cfg; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1362 | int rv; |
| 1363 | |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 1364 | if (vcm->is_init) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1365 | { |
Florin Coras | 955bfbb | 2018-12-04 13:43:45 -0800 | [diff] [blame] | 1366 | VDBG (1, "already initialized"); |
| 1367 | return VPPCOM_EEXIST; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1368 | } |
| 1369 | |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 1370 | vcm->is_init = 1; |
| 1371 | vppcom_cfg (&vcm->cfg); |
| 1372 | vcl_cfg = &vcm->cfg; |
| 1373 | |
| 1374 | vcm->main_cpu = pthread_self (); |
| 1375 | vcm->main_pid = getpid (); |
| 1376 | vcm->app_name = format (0, "%s", app_name); |
Florin Coras | 41bc861 | 2021-10-01 14:57:03 -0700 | [diff] [blame] | 1377 | fifo_segment_main_init (&vcm->segment_main, (uword) ~0, |
| 1378 | 20 /* timeout in secs */); |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 1379 | pool_alloc (vcm->workers, vcl_cfg->max_workers); |
| 1380 | clib_spinlock_init (&vcm->workers_lock); |
Florin Coras | d85de68 | 2018-11-29 17:02:29 -0800 | [diff] [blame] | 1381 | clib_rwlock_init (&vcm->segment_table_lock); |
Florin Coras | 940f78f | 2018-11-30 12:11:20 -0800 | [diff] [blame] | 1382 | atexit (vppcom_app_exit); |
Florin Coras | b88de90 | 2020-09-08 16:47:57 -0700 | [diff] [blame] | 1383 | vcl_elog_init (vcm); |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 1384 | |
| 1385 | /* Allocate default worker */ |
| 1386 | vcl_worker_alloc_and_init (); |
| 1387 | |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 1388 | if ((rv = vcl_api_attach ())) |
Florin Coras | d04ea44 | 2022-03-30 16:08:25 -0700 | [diff] [blame] | 1389 | { |
| 1390 | vppcom_app_destroy (); |
| 1391 | return rv; |
| 1392 | } |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 1393 | |
| 1394 | VDBG (0, "app_name '%s', my_client_index %d (0x%x)", app_name, |
Florin Coras | cc7c88e | 2020-09-15 15:56:51 -0700 | [diff] [blame] | 1395 | vcm->workers[0].api_client_handle, vcm->workers[0].api_client_handle); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1396 | |
| 1397 | return VPPCOM_OK; |
| 1398 | } |
| 1399 | |
| 1400 | void |
| 1401 | vppcom_app_destroy (void) |
| 1402 | { |
Florin Coras | dc0ded7 | 2020-04-30 02:59:55 +0000 | [diff] [blame] | 1403 | vcl_worker_t *wrk, *current_wrk; |
Damjan Marion | 4537c30 | 2020-09-28 19:03:37 +0200 | [diff] [blame] | 1404 | void *heap; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1405 | |
Florin Coras | 940f78f | 2018-11-30 12:11:20 -0800 | [diff] [blame] | 1406 | if (!pool_elts (vcm->workers)) |
| 1407 | return; |
| 1408 | |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 1409 | vcl_evt (VCL_EVT_DETACH, vcm); |
Keith Burns (alagalah) | 8aa9aaf | 2018-01-05 12:16:22 -0800 | [diff] [blame] | 1410 | |
Florin Coras | dc0ded7 | 2020-04-30 02:59:55 +0000 | [diff] [blame] | 1411 | current_wrk = vcl_worker_get_current (); |
Keith Burns (alagalah) | 8aa9aaf | 2018-01-05 12:16:22 -0800 | [diff] [blame] | 1412 | |
Florin Coras | ce815de | 2020-04-16 18:47:27 +0000 | [diff] [blame] | 1413 | /* *INDENT-OFF* */ |
Damjan Marion | b2c31b6 | 2020-12-13 21:47:40 +0100 | [diff] [blame] | 1414 | pool_foreach (wrk, vcm->workers) { |
Florin Coras | dc0ded7 | 2020-04-30 02:59:55 +0000 | [diff] [blame] | 1415 | if (current_wrk != wrk) |
| 1416 | vcl_worker_cleanup (wrk, 0 /* notify vpp */ ); |
Damjan Marion | b2c31b6 | 2020-12-13 21:47:40 +0100 | [diff] [blame] | 1417 | } |
Florin Coras | ce815de | 2020-04-16 18:47:27 +0000 | [diff] [blame] | 1418 | /* *INDENT-ON* */ |
| 1419 | |
Florin Coras | 935ce75 | 2020-09-08 22:43:47 -0700 | [diff] [blame] | 1420 | vcl_api_detach (current_wrk); |
Florin Coras | dc0ded7 | 2020-04-30 02:59:55 +0000 | [diff] [blame] | 1421 | vcl_worker_cleanup (current_wrk, 0 /* notify vpp */ ); |
Florin Coras | d04ea44 | 2022-03-30 16:08:25 -0700 | [diff] [blame] | 1422 | vcl_set_worker_index (~0); |
Florin Coras | dc0ded7 | 2020-04-30 02:59:55 +0000 | [diff] [blame] | 1423 | |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 1424 | vcl_elog_stop (vcm); |
Florin Coras | ce815de | 2020-04-16 18:47:27 +0000 | [diff] [blame] | 1425 | |
| 1426 | /* |
| 1427 | * Free the heap and fix vcm |
| 1428 | */ |
| 1429 | heap = clib_mem_get_heap (); |
Damjan Marion | 4537c30 | 2020-09-28 19:03:37 +0200 | [diff] [blame] | 1430 | munmap (clib_mem_get_heap_base (heap), clib_mem_get_heap_size (heap)); |
Florin Coras | ce815de | 2020-04-16 18:47:27 +0000 | [diff] [blame] | 1431 | |
| 1432 | vcm = &_vppcom_main; |
Florin Coras | 69d9725 | 2020-05-11 17:19:31 +0000 | [diff] [blame] | 1433 | vcm->is_init = 0; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1434 | } |
| 1435 | |
| 1436 | int |
Dave Wallace | c04cbf1 | 2018-02-07 18:14:02 -0500 | [diff] [blame] | 1437 | vppcom_session_create (u8 proto, u8 is_nonblocking) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1438 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1439 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1440 | vcl_session_t *session; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1441 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1442 | session = vcl_session_alloc (wrk); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1443 | |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1444 | session->session_type = proto; |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1445 | session->session_state = VCL_STATE_CLOSED; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1446 | session->vpp_handle = ~0; |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1447 | session->is_dgram = vcl_proto_is_dgram (proto); |
Radha krishna Saragadam | dd92bde | 2022-07-18 19:41:05 +0530 | [diff] [blame] | 1448 | session->vpp_error = SESSION_E_NONE; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1449 | |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 1450 | if (is_nonblocking) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 1451 | vcl_session_set_attr (session, VCL_SESS_ATTR_NONBLOCK); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1452 | |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1453 | vcl_evt (VCL_EVT_CREATE, session, session_type, session->session_state, |
| 1454 | is_nonblocking, session_index); |
Keith Burns (alagalah) | 09b2784 | 2018-01-05 14:39:59 -0800 | [diff] [blame] | 1455 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1456 | VDBG (0, "created session %u", session->session_index); |
Keith Burns (alagalah) | 09b2784 | 2018-01-05 14:39:59 -0800 | [diff] [blame] | 1457 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1458 | return vcl_session_handle (session); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1459 | } |
| 1460 | |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 1461 | static void |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 1462 | vcl_epoll_lt_add (vcl_worker_t *wrk, vcl_session_t *s) |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 1463 | { |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 1464 | vcl_session_t *cur, *prev; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 1465 | |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 1466 | if (wrk->ep_lt_current == VCL_INVALID_SESSION_INDEX) |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 1467 | { |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 1468 | wrk->ep_lt_current = s->session_index; |
| 1469 | s->vep.lt_next = s->session_index; |
| 1470 | s->vep.lt_prev = s->session_index; |
| 1471 | return; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 1472 | } |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 1473 | |
| 1474 | cur = vcl_session_get (wrk, wrk->ep_lt_current); |
| 1475 | prev = vcl_session_get (wrk, cur->vep.lt_prev); |
| 1476 | |
| 1477 | prev->vep.lt_next = s->session_index; |
| 1478 | s->vep.lt_prev = prev->session_index; |
| 1479 | |
| 1480 | s->vep.lt_next = cur->session_index; |
| 1481 | cur->vep.lt_prev = s->session_index; |
| 1482 | } |
| 1483 | |
| 1484 | static void |
| 1485 | vcl_epoll_lt_del (vcl_worker_t *wrk, vcl_session_t *s) |
| 1486 | { |
| 1487 | vcl_session_t *prev, *next; |
| 1488 | |
| 1489 | if (s->vep.lt_next == s->session_index) |
| 1490 | { |
| 1491 | wrk->ep_lt_current = VCL_INVALID_SESSION_INDEX; |
| 1492 | s->vep.lt_next = VCL_INVALID_SESSION_INDEX; |
| 1493 | return; |
| 1494 | } |
| 1495 | |
| 1496 | prev = vcl_session_get (wrk, s->vep.lt_prev); |
| 1497 | next = vcl_session_get (wrk, s->vep.lt_next); |
| 1498 | |
| 1499 | prev->vep.lt_next = next->session_index; |
| 1500 | next->vep.lt_prev = prev->session_index; |
| 1501 | |
| 1502 | if (s->session_index == wrk->ep_lt_current) |
| 1503 | wrk->ep_lt_current = s->vep.lt_next; |
| 1504 | |
| 1505 | s->vep.lt_next = VCL_INVALID_SESSION_INDEX; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 1506 | } |
| 1507 | |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1508 | int |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1509 | vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * s, |
Florin Coras | f9240dc | 2019-01-15 08:03:17 -0800 | [diff] [blame] | 1510 | vcl_session_handle_t sh, u8 do_disconnect) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1511 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1512 | int rv = VPPCOM_OK; |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 1513 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1514 | VDBG (1, "session %u [0x%llx] closing", s->session_index, s->vpp_handle); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1515 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1516 | if (s->flags & VCL_SESSION_F_IS_VEP) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1517 | { |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1518 | u32 next_sh = s->vep.next_sh; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1519 | while (next_sh != ~0) |
Dave Wallace | 1948161 | 2017-09-15 18:47:44 -0400 | [diff] [blame] | 1520 | { |
Florin Coras | f9240dc | 2019-01-15 08:03:17 -0800 | [diff] [blame] | 1521 | rv = vppcom_epoll_ctl (sh, EPOLL_CTL_DEL, next_sh, 0); |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 1522 | if (PREDICT_FALSE (rv < 0)) |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1523 | VDBG (0, "vpp handle 0x%llx, sh %u: EPOLL_CTL_DEL vep_idx %u" |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1524 | " failed! rv %d (%s)", s->vpp_handle, next_sh, |
| 1525 | s->vep.vep_sh, rv, vppcom_retval_str (rv)); |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1526 | next_sh = s->vep.next_sh; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 1527 | } |
Florin Coras | e4306b6 | 2020-10-28 12:51:10 -0700 | [diff] [blame] | 1528 | goto free_session; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 1529 | } |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1530 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1531 | if (s->flags & VCL_SESSION_F_IS_VEP_SESSION) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 1532 | { |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1533 | rv = vppcom_epoll_ctl (s->vep.vep_sh, EPOLL_CTL_DEL, sh, 0); |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1534 | if (rv < 0) |
| 1535 | VDBG (0, "session %u [0x%llx]: EPOLL_CTL_DEL vep_idx %u " |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1536 | "failed! rv %d (%s)", s->session_index, s->vpp_handle, |
| 1537 | s->vep.vep_sh, rv, vppcom_retval_str (rv)); |
Dave Wallace | 1948161 | 2017-09-15 18:47:44 -0400 | [diff] [blame] | 1538 | } |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1539 | |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1540 | if (!do_disconnect) |
| 1541 | { |
| 1542 | VDBG (1, "session %u [0x%llx] disconnect skipped", |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1543 | s->session_index, s->vpp_handle); |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1544 | goto cleanup; |
| 1545 | } |
| 1546 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1547 | if (s->session_state == VCL_STATE_LISTEN) |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1548 | { |
| 1549 | rv = vppcom_session_unbind (sh); |
| 1550 | if (PREDICT_FALSE (rv < 0)) |
| 1551 | VDBG (0, "session %u [0x%llx]: listener unbind failed! " |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1552 | "rv %d (%s)", s->session_index, s->vpp_handle, rv, |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1553 | vppcom_retval_str (rv)); |
| 1554 | return rv; |
| 1555 | } |
Florin Coras | 1bc919e | 2020-10-18 20:17:49 -0700 | [diff] [blame] | 1556 | else if (vcl_session_is_ready (s) |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1557 | || (vcl_session_is_connectable_listener (wrk, s))) |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1558 | { |
| 1559 | rv = vppcom_session_disconnect (sh); |
| 1560 | if (PREDICT_FALSE (rv < 0)) |
| 1561 | VDBG (0, "ERROR: session %u [0x%llx]: disconnect failed!" |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1562 | " rv %d (%s)", s->session_index, s->vpp_handle, |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1563 | rv, vppcom_retval_str (rv)); |
| 1564 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1565 | else if (s->session_state == VCL_STATE_DISCONNECT) |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1566 | { |
Florin Coras | 52dd29f | 2020-11-18 19:02:17 -0800 | [diff] [blame] | 1567 | vcl_send_session_reset_reply (wrk, s, 0); |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1568 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1569 | else if (s->session_state == VCL_STATE_DETACHED) |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 1570 | { |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1571 | VDBG (0, "vpp freed session %d before close", s->session_index); |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 1572 | |
| 1573 | if (!(s->flags & VCL_SESSION_F_PENDING_DISCONNECT)) |
| 1574 | goto free_session; |
| 1575 | |
| 1576 | /* Disconnect/reset messages pending but vpp transport and session |
| 1577 | * cleanups already done. Free only after messages drained. */ |
| 1578 | s->flags |= VCL_SESSION_F_PENDING_FREE; |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 1579 | } |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1580 | |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1581 | s->session_state = VCL_STATE_CLOSED; |
Florin Coras | 5414062 | 2020-02-04 19:04:34 +0000 | [diff] [blame] | 1582 | |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 1583 | /* Session is removed only after vpp confirms the disconnect */ |
| 1584 | return rv; |
Florin Coras | 0ef8ef2 | 2019-01-18 08:37:13 -0800 | [diff] [blame] | 1585 | |
Florin Coras | f9240dc | 2019-01-15 08:03:17 -0800 | [diff] [blame] | 1586 | cleanup: |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1587 | vcl_session_table_del_vpp_handle (wrk, s->vpp_handle); |
Florin Coras | adcfb15 | 2020-02-12 08:50:29 +0000 | [diff] [blame] | 1588 | free_session: |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1589 | vcl_session_free (wrk, s); |
| 1590 | vcl_evt (VCL_EVT_CLOSE, s, rv); |
Keith Burns (alagalah) | 09b2784 | 2018-01-05 14:39:59 -0800 | [diff] [blame] | 1591 | |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1592 | return rv; |
| 1593 | } |
| 1594 | |
| 1595 | int |
Florin Coras | f9240dc | 2019-01-15 08:03:17 -0800 | [diff] [blame] | 1596 | vppcom_session_close (uint32_t session_handle) |
| 1597 | { |
| 1598 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 1599 | vcl_session_t *session; |
| 1600 | |
| 1601 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 1602 | if (!session) |
| 1603 | return VPPCOM_EBADFD; |
| 1604 | return vcl_session_cleanup (wrk, session, session_handle, |
| 1605 | 1 /* do_disconnect */ ); |
| 1606 | } |
| 1607 | |
| 1608 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1609 | vppcom_session_bind (uint32_t session_handle, vppcom_endpt_t * ep) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1610 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1611 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1612 | vcl_session_t *session = 0; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1613 | |
| 1614 | if (!ep || !ep->ip) |
| 1615 | return VPPCOM_EINVAL; |
| 1616 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1617 | session = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1618 | if (!session) |
| 1619 | return VPPCOM_EBADFD; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1620 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1621 | if (session->flags & VCL_SESSION_F_IS_VEP) |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 1622 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1623 | VDBG (0, "ERROR: cannot bind to epoll session %u!", |
| 1624 | session->session_index); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1625 | return VPPCOM_EBADFD; |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 1626 | } |
| 1627 | |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1628 | session->transport.is_ip4 = ep->is_ip4; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1629 | if (ep->is_ip4) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1630 | clib_memcpy_fast (&session->transport.lcl_ip.ip4, ep->ip, |
| 1631 | sizeof (ip4_address_t)); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1632 | else |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1633 | clib_memcpy_fast (&session->transport.lcl_ip.ip6, ep->ip, |
| 1634 | sizeof (ip6_address_t)); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1635 | session->transport.lcl_port = ep->port; |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 1636 | |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1637 | VDBG (0, |
| 1638 | "session %u handle %u: binding to local %s address %U port %u, " |
| 1639 | "proto %s", |
| 1640 | session->session_index, session_handle, |
| 1641 | session->transport.is_ip4 ? "IPv4" : "IPv6", vcl_format_ip46_address, |
| 1642 | &session->transport.lcl_ip, |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1643 | session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
| 1644 | clib_net_to_host_u16 (session->transport.lcl_port), |
Ping Yu | 34a3a08 | 2018-11-30 19:16:17 -0500 | [diff] [blame] | 1645 | vppcom_proto_str (session->session_type)); |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 1646 | vcl_evt (VCL_EVT_BIND, session); |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 1647 | |
| 1648 | if (session->session_type == VPPCOM_PROTO_UDP) |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1649 | vppcom_session_listen (session_handle, 10); |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 1650 | |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1651 | return VPPCOM_OK; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1652 | } |
| 1653 | |
| 1654 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1655 | vppcom_session_listen (uint32_t listen_sh, uint32_t q_len) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1656 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1657 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1658 | vcl_session_t *listen_session = 0; |
Dave Wallace | ee45d41 | 2017-11-24 21:44:06 -0500 | [diff] [blame] | 1659 | u64 listen_vpp_handle; |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1660 | int rv; |
| 1661 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1662 | listen_session = vcl_session_get_w_handle (wrk, listen_sh); |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1663 | if (!listen_session || (listen_session->flags & VCL_SESSION_F_IS_VEP)) |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1664 | return VPPCOM_EBADFD; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1665 | |
Dave Wallace | ee45d41 | 2017-11-24 21:44:06 -0500 | [diff] [blame] | 1666 | listen_vpp_handle = listen_session->vpp_handle; |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1667 | if (listen_session->session_state == VCL_STATE_LISTEN) |
Dave Wallace | e695cb4 | 2017-11-02 22:04:42 -0400 | [diff] [blame] | 1668 | { |
Florin Coras | 05ecfcc | 2018-12-12 18:19:39 -0800 | [diff] [blame] | 1669 | VDBG (0, "session %u [0x%llx]: already in listen state!", |
| 1670 | listen_sh, listen_vpp_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1671 | return VPPCOM_OK; |
Dave Wallace | e695cb4 | 2017-11-02 22:04:42 -0400 | [diff] [blame] | 1672 | } |
| 1673 | |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1674 | VDBG (0, "session %u: sending vpp listen request...", listen_sh); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1675 | |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1676 | /* |
| 1677 | * Send listen request to vpp and wait for reply |
| 1678 | */ |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 1679 | vcl_send_session_listen (wrk, listen_session); |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1680 | rv = vppcom_wait_for_session_state_change (listen_session->session_index, |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1681 | VCL_STATE_LISTEN, |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1682 | vcm->cfg.session_timeout); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1683 | |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1684 | if (PREDICT_FALSE (rv)) |
Dave Wallace | ee45d41 | 2017-11-24 21:44:06 -0500 | [diff] [blame] | 1685 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1686 | listen_session = vcl_session_get_w_handle (wrk, listen_sh); |
Florin Coras | 05ecfcc | 2018-12-12 18:19:39 -0800 | [diff] [blame] | 1687 | VDBG (0, "session %u [0x%llx]: listen failed! returning %d (%s)", |
| 1688 | listen_sh, listen_session->vpp_handle, rv, |
| 1689 | vppcom_retval_str (rv)); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1690 | return rv; |
Dave Wallace | ee45d41 | 2017-11-24 21:44:06 -0500 | [diff] [blame] | 1691 | } |
| 1692 | |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1693 | return VPPCOM_OK; |
Keith Burns (alagalah) | 0d2b0d5 | 2018-03-06 15:55:22 -0800 | [diff] [blame] | 1694 | } |
| 1695 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1696 | static int |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1697 | validate_args_session_accept_ (vcl_worker_t * wrk, vcl_session_t * ls) |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1698 | { |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1699 | if (ls->flags & VCL_SESSION_F_IS_VEP) |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1700 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1701 | VDBG (0, "ERROR: cannot accept on epoll session %u!", |
| 1702 | ls->session_index); |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1703 | return VPPCOM_EBADFD; |
| 1704 | } |
| 1705 | |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1706 | if ((ls->session_state != VCL_STATE_LISTEN) |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1707 | && (!vcl_session_is_connectable_listener (wrk, ls))) |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1708 | { |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1709 | VDBG (0, |
| 1710 | "ERROR: session [0x%llx]: not in listen state! state 0x%x" |
| 1711 | " (%s)", |
| 1712 | ls->vpp_handle, ls->session_state, |
| 1713 | vcl_session_state_str (ls->session_state)); |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1714 | return VPPCOM_EBADFD; |
| 1715 | } |
| 1716 | return VPPCOM_OK; |
| 1717 | } |
| 1718 | |
| 1719 | int |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1720 | vppcom_unformat_proto (uint8_t * proto, char *proto_str) |
| 1721 | { |
| 1722 | if (!strcmp (proto_str, "TCP")) |
| 1723 | *proto = VPPCOM_PROTO_TCP; |
| 1724 | else if (!strcmp (proto_str, "tcp")) |
| 1725 | *proto = VPPCOM_PROTO_TCP; |
| 1726 | else if (!strcmp (proto_str, "UDP")) |
| 1727 | *proto = VPPCOM_PROTO_UDP; |
| 1728 | else if (!strcmp (proto_str, "udp")) |
| 1729 | *proto = VPPCOM_PROTO_UDP; |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1730 | else if (!strcmp (proto_str, "TLS")) |
| 1731 | *proto = VPPCOM_PROTO_TLS; |
| 1732 | else if (!strcmp (proto_str, "tls")) |
| 1733 | *proto = VPPCOM_PROTO_TLS; |
| 1734 | else if (!strcmp (proto_str, "QUIC")) |
| 1735 | *proto = VPPCOM_PROTO_QUIC; |
| 1736 | else if (!strcmp (proto_str, "quic")) |
| 1737 | *proto = VPPCOM_PROTO_QUIC; |
Florin Coras | 4b47ee2 | 2020-11-19 13:38:26 -0800 | [diff] [blame] | 1738 | else if (!strcmp (proto_str, "DTLS")) |
| 1739 | *proto = VPPCOM_PROTO_DTLS; |
| 1740 | else if (!strcmp (proto_str, "dtls")) |
| 1741 | *proto = VPPCOM_PROTO_DTLS; |
Florin Coras | 6621abf | 2021-01-06 17:35:17 -0800 | [diff] [blame] | 1742 | else if (!strcmp (proto_str, "SRTP")) |
| 1743 | *proto = VPPCOM_PROTO_SRTP; |
| 1744 | else if (!strcmp (proto_str, "srtp")) |
| 1745 | *proto = VPPCOM_PROTO_SRTP; |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1746 | else |
| 1747 | return 1; |
| 1748 | return 0; |
| 1749 | } |
| 1750 | |
| 1751 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1752 | vppcom_session_accept (uint32_t listen_session_handle, vppcom_endpt_t * ep, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1753 | uint32_t flags) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1754 | { |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1755 | u32 client_session_index = ~0, listen_session_index, accept_flags = 0; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1756 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1757 | session_accepted_msg_t accepted_msg; |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1758 | vcl_session_t *listen_session = 0; |
| 1759 | vcl_session_t *client_session = 0; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1760 | vcl_session_msg_t *evt; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1761 | u8 is_nonblocking; |
| 1762 | int rv; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1763 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 1764 | again: |
| 1765 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1766 | listen_session = vcl_session_get_w_handle (wrk, listen_session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1767 | if (!listen_session) |
| 1768 | return VPPCOM_EBADFD; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1769 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1770 | listen_session_index = listen_session->session_index; |
| 1771 | if ((rv = validate_args_session_accept_ (wrk, listen_session))) |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1772 | return rv; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1773 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1774 | if (clib_fifo_elts (listen_session->accept_evts_fifo)) |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1775 | { |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1776 | clib_fifo_sub2 (listen_session->accept_evts_fifo, evt); |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1777 | accept_flags = evt->flags; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1778 | accepted_msg = evt->accepted_msg; |
| 1779 | goto handle; |
| 1780 | } |
| 1781 | |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 1782 | is_nonblocking = vcl_session_has_attr (listen_session, |
| 1783 | VCL_SESS_ATTR_NONBLOCK); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1784 | while (1) |
| 1785 | { |
Carl Smith | 592a909 | 2019-11-12 14:57:37 +1300 | [diff] [blame] | 1786 | if (svm_msg_q_is_empty (wrk->app_event_queue) && is_nonblocking) |
| 1787 | return VPPCOM_EAGAIN; |
| 1788 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 1789 | svm_msg_q_wait (wrk->app_event_queue, SVM_MQ_WAIT_EMPTY); |
| 1790 | vcl_worker_flush_mq_events (wrk); |
| 1791 | goto again; |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1792 | } |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1793 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1794 | handle: |
Keith Burns (alagalah) | 00f44cc | 2018-03-07 09:26:38 -0800 | [diff] [blame] | 1795 | |
Florin Coras | 00cca80 | 2019-06-06 09:38:44 -0700 | [diff] [blame] | 1796 | client_session_index = vcl_session_accepted_handler (wrk, &accepted_msg, |
| 1797 | listen_session_index); |
| 1798 | if (client_session_index == VCL_INVALID_SESSION_INDEX) |
| 1799 | return VPPCOM_ECONNABORTED; |
| 1800 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1801 | listen_session = vcl_session_get (wrk, listen_session_index); |
| 1802 | client_session = vcl_session_get (wrk, client_session_index); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1803 | |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 1804 | if (flags & O_NONBLOCK) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 1805 | vcl_session_set_attr (client_session, VCL_SESS_ATTR_NONBLOCK); |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 1806 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1807 | VDBG (1, "listener %u [0x%llx]: Got a connect request! session %u [0x%llx]," |
| 1808 | " flags %d, is_nonblocking %u", listen_session->session_index, |
| 1809 | listen_session->vpp_handle, client_session_index, |
| 1810 | client_session->vpp_handle, flags, |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 1811 | vcl_session_has_attr (client_session, VCL_SESS_ATTR_NONBLOCK)); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1812 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1813 | if (ep) |
| 1814 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1815 | ep->is_ip4 = client_session->transport.is_ip4; |
| 1816 | ep->port = client_session->transport.rmt_port; |
| 1817 | if (client_session->transport.is_ip4) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1818 | clib_memcpy_fast (ep->ip, &client_session->transport.rmt_ip.ip4, |
| 1819 | sizeof (ip4_address_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1820 | else |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1821 | clib_memcpy_fast (ep->ip, &client_session->transport.rmt_ip.ip6, |
| 1822 | sizeof (ip6_address_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1823 | } |
Dave Wallace | 60caa06 | 2017-11-10 17:07:13 -0500 | [diff] [blame] | 1824 | |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1825 | VDBG (0, |
| 1826 | "listener %u [0x%llx] accepted %u [0x%llx] peer: %U:%u " |
| 1827 | "local: %U:%u", |
| 1828 | listen_session_handle, listen_session->vpp_handle, |
Florin Coras | 05ecfcc | 2018-12-12 18:19:39 -0800 | [diff] [blame] | 1829 | client_session_index, client_session->vpp_handle, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1830 | vcl_format_ip46_address, &client_session->transport.rmt_ip, |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1831 | client_session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1832 | clib_net_to_host_u16 (client_session->transport.rmt_port), |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1833 | vcl_format_ip46_address, &client_session->transport.lcl_ip, |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 1834 | client_session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1835 | clib_net_to_host_u16 (client_session->transport.lcl_port)); |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 1836 | vcl_evt (VCL_EVT_ACCEPT, client_session, listen_session, |
| 1837 | client_session_index); |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 1838 | |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1839 | /* |
| 1840 | * Session might have been closed already |
| 1841 | */ |
| 1842 | if (accept_flags) |
| 1843 | { |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1844 | if (accept_flags & VCL_ACCEPTED_F_CLOSED) |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1845 | client_session->session_state = VCL_STATE_VPP_CLOSING; |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1846 | else if (accept_flags & VCL_ACCEPTED_F_RESET) |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1847 | client_session->session_state = VCL_STATE_DISCONNECT; |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 1848 | } |
Florin Coras | ab2f6db | 2018-08-31 14:31:41 -0700 | [diff] [blame] | 1849 | return vcl_session_handle (client_session); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1850 | } |
| 1851 | |
| 1852 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1853 | vppcom_session_connect (uint32_t session_handle, vppcom_endpt_t * server_ep) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1854 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1855 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1856 | vcl_session_t *session = 0; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1857 | u32 session_index; |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1858 | int rv; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1859 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1860 | session = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1861 | if (!session) |
| 1862 | return VPPCOM_EBADFD; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1863 | session_index = session->session_index; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1864 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1865 | if (PREDICT_FALSE (session->flags & VCL_SESSION_F_IS_VEP)) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1866 | { |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 1867 | VWRN ("cannot connect epoll session %u!", session->session_index); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1868 | return VPPCOM_EBADFD; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1869 | } |
| 1870 | |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1871 | if (PREDICT_FALSE (vcl_session_is_ready (session))) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1872 | { |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1873 | VDBG (0, |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 1874 | "session %u [0x%llx]: already connected to %U:%d proto %s," |
| 1875 | " state (%s)", |
| 1876 | session->session_index, session->vpp_handle, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1877 | vcl_format_ip46_address, &session->transport.rmt_ip, |
| 1878 | session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1879 | clib_net_to_host_u16 (session->transport.rmt_port), |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 1880 | vppcom_proto_str (session->session_type), |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1881 | vcl_session_state_str (session->session_state)); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1882 | return VPPCOM_OK; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1883 | } |
| 1884 | |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 1885 | /* Attempt to connect a connectionless listener */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1886 | if (PREDICT_FALSE (session->session_state == VCL_STATE_LISTEN)) |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 1887 | { |
| 1888 | if (session->session_type != VPPCOM_PROTO_UDP) |
| 1889 | return VPPCOM_EINVAL; |
| 1890 | vcl_send_session_unlisten (wrk, session); |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1891 | session->session_state = VCL_STATE_CLOSED; |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 1892 | } |
| 1893 | |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1894 | session->transport.is_ip4 = server_ep->is_ip4; |
Florin Coras | ef7cbf6 | 2019-10-17 09:56:27 -0700 | [diff] [blame] | 1895 | vcl_ip_copy_from_ep (&session->transport.rmt_ip, server_ep); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1896 | session->transport.rmt_port = server_ep->port; |
Nathan Skrzypczak | 8ac1d6d | 2019-07-17 11:02:20 +0200 | [diff] [blame] | 1897 | session->parent_handle = VCL_INVALID_SESSION_HANDLE; |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 1898 | session->flags |= VCL_SESSION_F_CONNECTED; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1899 | |
Florin Coras | 5ffb964 | 2021-12-03 17:24:13 -0800 | [diff] [blame] | 1900 | VDBG (0, "session %u: connecting to peer %U:%d proto %s", |
| 1901 | session->session_index, vcl_format_ip46_address, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1902 | &session->transport.rmt_ip, |
| 1903 | session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 1904 | clib_net_to_host_u16 (session->transport.rmt_port), |
Ping Yu | 34a3a08 | 2018-11-30 19:16:17 -0500 | [diff] [blame] | 1905 | vppcom_proto_str (session->session_type)); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1906 | |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 1907 | vcl_send_session_connect (wrk, session); |
Florin Coras | 57c8893 | 2019-08-29 12:03:17 -0700 | [diff] [blame] | 1908 | |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 1909 | if (vcl_session_has_attr (session, VCL_SESS_ATTR_NONBLOCK)) |
Florin Coras | a5ea821 | 2020-08-24 21:23:51 -0700 | [diff] [blame] | 1910 | { |
fanyf | a49d59d | 2020-10-13 17:07:16 +0800 | [diff] [blame] | 1911 | /* State set to STATE_UPDATED to ensure the session is not assumed |
Florin Coras | dfffdd7 | 2020-10-15 10:54:47 -0700 | [diff] [blame] | 1912 | * to be ready and to also allow the app to close it prior to vpp's |
fanyf | a49d59d | 2020-10-13 17:07:16 +0800 | [diff] [blame] | 1913 | * connected reply. */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1914 | session->session_state = VCL_STATE_UPDATED; |
Florin Coras | a5ea821 | 2020-08-24 21:23:51 -0700 | [diff] [blame] | 1915 | return VPPCOM_EINPROGRESS; |
| 1916 | } |
Florin Coras | 57c8893 | 2019-08-29 12:03:17 -0700 | [diff] [blame] | 1917 | |
| 1918 | /* |
| 1919 | * Wait for reply from vpp if blocking |
| 1920 | */ |
Florin Coras | dfffdd7 | 2020-10-15 10:54:47 -0700 | [diff] [blame] | 1921 | rv = vppcom_wait_for_session_state_change (session_index, VCL_STATE_READY, |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 1922 | vcm->cfg.session_timeout); |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1923 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1924 | session = vcl_session_get (wrk, session_index); |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 1925 | VDBG (0, "session %u [0x%llx]: connect %s!", session->session_index, |
| 1926 | session->vpp_handle, rv ? "failed" : "succeeded"); |
Dave Wallace | ee45d41 | 2017-11-24 21:44:06 -0500 | [diff] [blame] | 1927 | |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 1928 | return rv; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1929 | } |
| 1930 | |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1931 | int |
| 1932 | vppcom_session_stream_connect (uint32_t session_handle, |
| 1933 | uint32_t parent_session_handle) |
| 1934 | { |
| 1935 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 1936 | vcl_session_t *session, *parent_session; |
| 1937 | u32 session_index, parent_session_index; |
| 1938 | int rv; |
| 1939 | |
| 1940 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 1941 | if (!session) |
| 1942 | return VPPCOM_EBADFD; |
| 1943 | parent_session = vcl_session_get_w_handle (wrk, parent_session_handle); |
| 1944 | if (!parent_session) |
| 1945 | return VPPCOM_EBADFD; |
| 1946 | |
| 1947 | session_index = session->session_index; |
| 1948 | parent_session_index = parent_session->session_index; |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 1949 | if (PREDICT_FALSE (session->flags & VCL_SESSION_F_IS_VEP)) |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1950 | { |
| 1951 | VDBG (0, "ERROR: cannot connect epoll session %u!", |
| 1952 | session->session_index); |
| 1953 | return VPPCOM_EBADFD; |
| 1954 | } |
| 1955 | |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 1956 | if (PREDICT_FALSE (vcl_session_is_ready (session))) |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1957 | { |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1958 | VDBG (0, |
| 1959 | "session handle %u [0x%llx]: session already " |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1960 | "connected to session %u [0x%llx] proto %s, state 0x%x (%s)", |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1961 | session_handle, session->vpp_handle, parent_session_handle, |
| 1962 | parent_session->vpp_handle, |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1963 | vppcom_proto_str (session->session_type), session->session_state, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 1964 | vcl_session_state_str (session->session_state)); |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1965 | return VPPCOM_OK; |
| 1966 | } |
| 1967 | |
| 1968 | /* Connect to quic session specifics */ |
| 1969 | session->transport.is_ip4 = parent_session->transport.is_ip4; |
| 1970 | session->transport.rmt_ip.ip4.as_u32 = (uint32_t) 1; |
| 1971 | session->transport.rmt_port = 0; |
Nathan Skrzypczak | 8ac1d6d | 2019-07-17 11:02:20 +0200 | [diff] [blame] | 1972 | session->parent_handle = parent_session->vpp_handle; |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1973 | |
| 1974 | VDBG (0, "session handle %u: connecting to session %u [0x%llx]", |
| 1975 | session_handle, parent_session_handle, parent_session->vpp_handle); |
| 1976 | |
| 1977 | /* |
| 1978 | * Send connect request and wait for reply from vpp |
| 1979 | */ |
Florin Coras | 458089b | 2019-08-21 16:20:44 -0700 | [diff] [blame] | 1980 | vcl_send_session_connect (wrk, session); |
Florin Coras | dfffdd7 | 2020-10-15 10:54:47 -0700 | [diff] [blame] | 1981 | rv = vppcom_wait_for_session_state_change (session_index, VCL_STATE_READY, |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1982 | vcm->cfg.session_timeout); |
| 1983 | |
| 1984 | session->listener_index = parent_session_index; |
| 1985 | parent_session = vcl_session_get_w_handle (wrk, parent_session_handle); |
Florin Coras | 028eaf0 | 2019-07-19 12:15:52 -0700 | [diff] [blame] | 1986 | if (parent_session) |
| 1987 | parent_session->n_accepted_sessions++; |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 1988 | |
| 1989 | session = vcl_session_get (wrk, session_index); |
| 1990 | VDBG (0, "session %u [0x%llx]: connect %s!", session->session_index, |
| 1991 | session->vpp_handle, rv ? "failed" : "succeeded"); |
| 1992 | |
| 1993 | return rv; |
| 1994 | } |
| 1995 | |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 1996 | static inline int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 1997 | vppcom_session_read_internal (uint32_t session_handle, void *buf, int n, |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 1998 | u8 peek) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 1999 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2000 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2001 | int rv, n_read = 0, is_nonblocking; |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 2002 | vcl_session_t *s = 0; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2003 | svm_fifo_t *rx_fifo; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2004 | session_event_t *e; |
| 2005 | svm_msg_q_t *mq; |
Florin Coras | 41c9e04 | 2018-09-11 00:10:41 -0700 | [diff] [blame] | 2006 | u8 is_ct; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2007 | |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2008 | if (PREDICT_FALSE (!buf)) |
wanghanlin | 72228a2 | 2021-07-06 17:18:29 +0800 | [diff] [blame] | 2009 | return VPPCOM_EFAULT; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2010 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2011 | s = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2012 | if (PREDICT_FALSE (!s || (s->flags & VCL_SESSION_F_IS_VEP))) |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2013 | return VPPCOM_EBADFD; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2014 | |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2015 | if (PREDICT_FALSE (!vcl_session_is_open (s))) |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 2016 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2017 | VDBG (0, "session %u[0x%llx] is not open! state 0x%x (%s)", |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2018 | s->session_index, s->vpp_handle, s->session_state, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 2019 | vcl_session_state_str (s->session_state)); |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2020 | return vcl_session_closed_error (s); |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 2021 | } |
| 2022 | |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 2023 | if (PREDICT_FALSE (s->flags & VCL_SESSION_F_RD_SHUTDOWN)) |
| 2024 | { |
| 2025 | /* Vpp would ack the incoming data and enqueue it for reading. |
| 2026 | * So even if SHUT_RD is set, we can still read() the data if |
| 2027 | * the session is ready. |
| 2028 | */ |
| 2029 | if (!vcl_session_read_ready (s)) |
| 2030 | { |
| 2031 | return 0; |
| 2032 | } |
| 2033 | } |
| 2034 | |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2035 | is_nonblocking = vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK); |
Florin Coras | 41c9e04 | 2018-09-11 00:10:41 -0700 | [diff] [blame] | 2036 | is_ct = vcl_session_is_ct (s); |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 2037 | mq = wrk->app_event_queue; |
| 2038 | rx_fifo = is_ct ? s->ct_rx_fifo : s->rx_fifo; |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2039 | s->flags &= ~VCL_SESSION_F_HAS_RX_EVT; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2040 | |
Sirshak Das | 28aa539 | 2019-02-05 01:33:33 -0600 | [diff] [blame] | 2041 | if (svm_fifo_is_empty_cons (rx_fifo)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2042 | { |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2043 | if (is_nonblocking) |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2044 | { |
Yu Ping | b295535 | 2019-12-04 06:49:04 +0800 | [diff] [blame] | 2045 | if (vcl_session_is_closing (s)) |
| 2046 | return vcl_session_closing_error (s); |
Florin Coras | d689456 | 2020-10-28 00:37:15 -0700 | [diff] [blame] | 2047 | if (is_ct) |
| 2048 | svm_fifo_unset_event (s->rx_fifo); |
| 2049 | svm_fifo_unset_event (rx_fifo); |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2050 | return VPPCOM_EWOULDBLOCK; |
| 2051 | } |
Sirshak Das | 28aa539 | 2019-02-05 01:33:33 -0600 | [diff] [blame] | 2052 | while (svm_fifo_is_empty_cons (rx_fifo)) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2053 | { |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2054 | if (vcl_session_is_closing (s)) |
| 2055 | return vcl_session_closing_error (s); |
| 2056 | |
Florin Coras | d689456 | 2020-10-28 00:37:15 -0700 | [diff] [blame] | 2057 | if (is_ct) |
| 2058 | svm_fifo_unset_event (s->rx_fifo); |
| 2059 | svm_fifo_unset_event (rx_fifo); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2060 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2061 | svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY); |
| 2062 | vcl_worker_flush_mq_events (wrk); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2063 | } |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 2064 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2065 | |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2066 | read_again: |
| 2067 | |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 2068 | if (s->is_dgram) |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2069 | rv = app_recv_dgram_raw (rx_fifo, buf, n, &s->transport, 0, peek); |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2070 | else |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2071 | rv = app_recv_stream_raw (rx_fifo, buf, n, 0, peek); |
| 2072 | |
| 2073 | ASSERT (rv >= 0); |
Florin Coras | 2336831 | 2021-06-04 16:28:18 -0700 | [diff] [blame] | 2074 | |
| 2075 | if (peek) |
| 2076 | return rv; |
| 2077 | |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2078 | n_read += rv; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2079 | |
Sirshak Das | 28aa539 | 2019-02-05 01:33:33 -0600 | [diff] [blame] | 2080 | if (svm_fifo_is_empty_cons (rx_fifo)) |
Florin Coras | c34118b | 2020-08-12 18:58:25 -0700 | [diff] [blame] | 2081 | { |
Florin Coras | d689456 | 2020-10-28 00:37:15 -0700 | [diff] [blame] | 2082 | if (is_ct) |
| 2083 | svm_fifo_unset_event (s->rx_fifo); |
| 2084 | svm_fifo_unset_event (rx_fifo); |
Florin Coras | c34118b | 2020-08-12 18:58:25 -0700 | [diff] [blame] | 2085 | if (!svm_fifo_is_empty_cons (rx_fifo) |
Florin Coras | d689456 | 2020-10-28 00:37:15 -0700 | [diff] [blame] | 2086 | && svm_fifo_set_event (rx_fifo) && is_nonblocking) |
Florin Coras | c34118b | 2020-08-12 18:58:25 -0700 | [diff] [blame] | 2087 | { |
Florin Coras | c34118b | 2020-08-12 18:58:25 -0700 | [diff] [blame] | 2088 | vec_add2 (wrk->unhandled_evts_vector, e, 1); |
| 2089 | e->event_type = SESSION_IO_EVT_RX; |
| 2090 | e->session_index = s->session_index; |
| 2091 | } |
| 2092 | } |
Florin Coras | 54fe32c | 2020-11-25 20:26:32 -0800 | [diff] [blame] | 2093 | else if (PREDICT_FALSE (rv < n && !s->is_dgram)) |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2094 | { |
| 2095 | /* More data enqueued while reading. Try to drain it |
Florin Coras | 54fe32c | 2020-11-25 20:26:32 -0800 | [diff] [blame] | 2096 | * or fill the buffer. Avoid doing that for dgrams */ |
Florin Coras | 4a2c794 | 2020-09-10 12:27:14 -0700 | [diff] [blame] | 2097 | buf += rv; |
| 2098 | n -= rv; |
| 2099 | goto read_again; |
| 2100 | } |
Florin Coras | 41c9e04 | 2018-09-11 00:10:41 -0700 | [diff] [blame] | 2101 | |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2102 | if (PREDICT_FALSE (svm_fifo_needs_deq_ntf (rx_fifo, n_read))) |
Florin Coras | 317b8e0 | 2019-04-17 09:57:46 -0700 | [diff] [blame] | 2103 | { |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2104 | svm_fifo_clear_deq_ntf (rx_fifo); |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 2105 | app_send_io_evt_to_vpp (s->vpp_evt_q, |
| 2106 | s->rx_fifo->shr->master_session_index, |
Florin Coras | 317b8e0 | 2019-04-17 09:57:46 -0700 | [diff] [blame] | 2107 | SESSION_IO_EVT_RX, SVM_Q_WAIT); |
Florin Coras | 317b8e0 | 2019-04-17 09:57:46 -0700 | [diff] [blame] | 2108 | } |
| 2109 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2110 | VDBG (2, "session %u[0x%llx]: read %d bytes from (%p)", s->session_index, |
| 2111 | s->vpp_handle, n_read, rx_fifo); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2112 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2113 | return n_read; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2114 | } |
| 2115 | |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 2116 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2117 | vppcom_session_read (uint32_t session_handle, void *buf, size_t n) |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 2118 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2119 | return (vppcom_session_read_internal (session_handle, buf, n, 0)); |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 2120 | } |
| 2121 | |
| 2122 | static int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2123 | vppcom_session_peek (uint32_t session_handle, void *buf, int n) |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 2124 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2125 | return (vppcom_session_read_internal (session_handle, buf, n, 1)); |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 2126 | } |
| 2127 | |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2128 | int |
| 2129 | vppcom_session_read_segments (uint32_t session_handle, |
Florin Coras | d68faf8 | 2020-09-25 15:18:13 -0700 | [diff] [blame] | 2130 | vppcom_data_segment_t * ds, uint32_t n_segments, |
| 2131 | uint32_t max_bytes) |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2132 | { |
| 2133 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2134 | int n_read = 0, is_nonblocking; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2135 | vcl_session_t *s = 0; |
| 2136 | svm_fifo_t *rx_fifo; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2137 | svm_msg_q_t *mq; |
| 2138 | u8 is_ct; |
| 2139 | |
| 2140 | s = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2141 | if (PREDICT_FALSE (!s || (s->flags & VCL_SESSION_F_IS_VEP))) |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2142 | return VPPCOM_EBADFD; |
| 2143 | |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2144 | if (PREDICT_FALSE (!vcl_session_is_open (s))) |
| 2145 | return vcl_session_closed_error (s); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2146 | |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2147 | is_nonblocking = vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2148 | is_ct = vcl_session_is_ct (s); |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2149 | mq = wrk->app_event_queue; |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2150 | rx_fifo = is_ct ? s->ct_rx_fifo : s->rx_fifo; |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2151 | s->flags &= ~VCL_SESSION_F_HAS_RX_EVT; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2152 | |
Sirshak Das | 28aa539 | 2019-02-05 01:33:33 -0600 | [diff] [blame] | 2153 | if (svm_fifo_is_empty_cons (rx_fifo)) |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2154 | { |
| 2155 | if (is_nonblocking) |
| 2156 | { |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2157 | if (is_ct) |
| 2158 | svm_fifo_unset_event (s->rx_fifo); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2159 | svm_fifo_unset_event (rx_fifo); |
Florin Coras | aa27eb9 | 2018-10-13 12:20:01 -0700 | [diff] [blame] | 2160 | return VPPCOM_EWOULDBLOCK; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2161 | } |
Sirshak Das | 28aa539 | 2019-02-05 01:33:33 -0600 | [diff] [blame] | 2162 | while (svm_fifo_is_empty_cons (rx_fifo)) |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2163 | { |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2164 | if (vcl_session_is_closing (s)) |
| 2165 | return vcl_session_closing_error (s); |
| 2166 | |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2167 | if (is_ct) |
| 2168 | svm_fifo_unset_event (s->rx_fifo); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2169 | svm_fifo_unset_event (rx_fifo); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2170 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2171 | svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY); |
| 2172 | vcl_worker_flush_mq_events (wrk); |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2173 | } |
| 2174 | } |
| 2175 | |
Florin Coras | d1cc38d | 2020-10-11 11:05:04 -0700 | [diff] [blame] | 2176 | n_read = svm_fifo_segments (rx_fifo, s->rx_bytes_pending, |
Florin Coras | b85de19 | 2022-01-18 20:51:08 -0800 | [diff] [blame] | 2177 | (svm_fifo_seg_t *) ds, &n_segments, max_bytes); |
Florin Coras | d1cc38d | 2020-10-11 11:05:04 -0700 | [diff] [blame] | 2178 | if (n_read < 0) |
| 2179 | return VPPCOM_EAGAIN; |
| 2180 | |
| 2181 | if (svm_fifo_max_dequeue_cons (rx_fifo) == n_read) |
| 2182 | { |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2183 | if (is_ct) |
| 2184 | svm_fifo_unset_event (s->rx_fifo); |
| 2185 | svm_fifo_unset_event (rx_fifo); |
Florin Coras | d1cc38d | 2020-10-11 11:05:04 -0700 | [diff] [blame] | 2186 | if (svm_fifo_max_dequeue_cons (rx_fifo) != n_read |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2187 | && svm_fifo_set_event (rx_fifo) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2188 | && vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK)) |
Florin Coras | d1cc38d | 2020-10-11 11:05:04 -0700 | [diff] [blame] | 2189 | { |
| 2190 | session_event_t *e; |
| 2191 | vec_add2 (wrk->unhandled_evts_vector, e, 1); |
| 2192 | e->event_type = SESSION_IO_EVT_RX; |
| 2193 | e->session_index = s->session_index; |
| 2194 | } |
| 2195 | } |
| 2196 | |
| 2197 | s->rx_bytes_pending += n_read; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2198 | return n_read; |
| 2199 | } |
| 2200 | |
| 2201 | void |
Florin Coras | d68faf8 | 2020-09-25 15:18:13 -0700 | [diff] [blame] | 2202 | vppcom_session_free_segments (uint32_t session_handle, uint32_t n_bytes) |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2203 | { |
| 2204 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 2205 | vcl_session_t *s; |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2206 | u8 is_ct; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2207 | |
| 2208 | s = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2209 | if (PREDICT_FALSE (!s || (s->flags & VCL_SESSION_F_IS_VEP))) |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2210 | return; |
| 2211 | |
Florin Coras | 6287702 | 2020-10-28 21:22:04 -0700 | [diff] [blame] | 2212 | is_ct = vcl_session_is_ct (s); |
| 2213 | svm_fifo_dequeue_drop (is_ct ? s->ct_rx_fifo : s->rx_fifo, n_bytes); |
Florin Coras | d1cc38d | 2020-10-11 11:05:04 -0700 | [diff] [blame] | 2214 | |
Florin Coras | 8cc9321 | 2021-09-10 11:37:12 -0700 | [diff] [blame] | 2215 | ASSERT (s->rx_bytes_pending >= n_bytes); |
Florin Coras | d1cc38d | 2020-10-11 11:05:04 -0700 | [diff] [blame] | 2216 | s->rx_bytes_pending -= n_bytes; |
Florin Coras | 2cba853 | 2018-09-11 16:33:36 -0700 | [diff] [blame] | 2217 | } |
| 2218 | |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2219 | always_inline u8 |
| 2220 | vcl_fifo_is_writeable (svm_fifo_t * f, u32 len, u8 is_dgram) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2221 | { |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2222 | u32 max_enq = svm_fifo_max_enqueue_prod (f); |
| 2223 | if (is_dgram) |
| 2224 | return max_enq >= (sizeof (session_dgram_hdr_t) + len); |
| 2225 | else |
| 2226 | return max_enq > 0; |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2227 | } |
| 2228 | |
| 2229 | always_inline int |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 2230 | vppcom_session_write_inline (vcl_worker_t *wrk, vcl_session_t *s, void *buf, |
| 2231 | size_t n, u16 gso_size, u8 is_flush, u8 is_dgram) |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2232 | { |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2233 | int n_write, is_nonblocking; |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 2234 | session_evt_type_t et; |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 2235 | svm_fifo_t *tx_fifo; |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 2236 | svm_msg_q_t *mq; |
Florin Coras | 0e88e85 | 2018-09-17 22:09:02 -0700 | [diff] [blame] | 2237 | u8 is_ct; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2238 | |
Florin Coras | 0b0d28e | 2021-06-04 17:31:53 -0700 | [diff] [blame] | 2239 | /* Accept zero length writes but just return */ |
| 2240 | if (PREDICT_FALSE (!n)) |
| 2241 | return VPPCOM_OK; |
| 2242 | |
| 2243 | if (PREDICT_FALSE (!buf)) |
| 2244 | return VPPCOM_EFAULT; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2245 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2246 | if (PREDICT_FALSE (s->flags & VCL_SESSION_F_IS_VEP)) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2247 | { |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2248 | VDBG (0, "ERROR: session %u [0x%llx]: cannot write to an epoll" |
| 2249 | " session!", s->session_index, s->vpp_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2250 | return VPPCOM_EBADFD; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2251 | } |
| 2252 | |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 2253 | if (PREDICT_FALSE (!vcl_session_is_open (s))) |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 2254 | { |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2255 | VDBG (1, "session %u [0x%llx]: is not open! state 0x%x (%s)", |
| 2256 | s->session_index, s->vpp_handle, s->session_state, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 2257 | vcl_session_state_str (s->session_state)); |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2258 | return vcl_session_closed_error (s);; |
Dave Wallace | 9c4b5b2 | 2017-10-18 21:15:48 -0400 | [diff] [blame] | 2259 | } |
| 2260 | |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 2261 | if (PREDICT_FALSE (s->flags & VCL_SESSION_F_WR_SHUTDOWN)) |
| 2262 | { |
| 2263 | VDBG (1, "session %u [0x%llx]: is shutdown! state 0x%x (%s)", |
| 2264 | s->session_index, s->vpp_handle, s->session_state, |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 2265 | vcl_session_state_str (s->session_state)); |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 2266 | return VPPCOM_EPIPE; |
| 2267 | } |
| 2268 | |
Florin Coras | 0e88e85 | 2018-09-17 22:09:02 -0700 | [diff] [blame] | 2269 | is_ct = vcl_session_is_ct (s); |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 2270 | tx_fifo = is_ct ? s->ct_tx_fifo : s->tx_fifo; |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 2271 | is_nonblocking = vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK); |
Sirshak Das | 28aa539 | 2019-02-05 01:33:33 -0600 | [diff] [blame] | 2272 | |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 2273 | mq = wrk->app_event_queue; |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2274 | if (!vcl_fifo_is_writeable (tx_fifo, n, is_dgram)) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2275 | { |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2276 | if (is_nonblocking) |
| 2277 | { |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2278 | return VPPCOM_EWOULDBLOCK; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2279 | } |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2280 | while (!vcl_fifo_is_writeable (tx_fifo, n, is_dgram)) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2281 | { |
Florin Coras | 2d379d8 | 2019-06-28 12:45:12 -0700 | [diff] [blame] | 2282 | svm_fifo_add_want_deq_ntf (tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF); |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2283 | if (vcl_session_is_closing (s)) |
| 2284 | return vcl_session_closing_error (s); |
Florin Coras | 0e88e85 | 2018-09-17 22:09:02 -0700 | [diff] [blame] | 2285 | |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2286 | svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY); |
| 2287 | vcl_worker_flush_mq_events (wrk); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2288 | } |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2289 | } |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2290 | |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 2291 | et = SESSION_IO_EVT_TX; |
| 2292 | if (is_flush && !is_ct) |
Florin Coras | 42ceddb | 2018-12-12 10:56:01 -0800 | [diff] [blame] | 2293 | et = SESSION_IO_EVT_TX_FLUSH; |
| 2294 | |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2295 | if (is_dgram) |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 2296 | n_write = |
| 2297 | app_send_dgram_raw_gso (tx_fifo, &s->transport, s->vpp_evt_q, buf, n, |
| 2298 | gso_size, et, 0 /* do_evt */, SVM_Q_WAIT); |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 2299 | else |
| 2300 | n_write = app_send_stream_raw (tx_fifo, s->vpp_evt_q, buf, n, et, |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 2301 | 0 /* do_evt */ , SVM_Q_WAIT); |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 2302 | |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 2303 | if (svm_fifo_set_event (s->tx_fifo)) |
Florin Coras | c547e91 | 2020-12-08 17:50:45 -0800 | [diff] [blame] | 2304 | app_send_io_evt_to_vpp ( |
| 2305 | s->vpp_evt_q, s->tx_fifo->shr->master_session_index, et, SVM_Q_WAIT); |
Keith Burns (alagalah) | 410bcca | 2018-03-23 13:42:49 -0700 | [diff] [blame] | 2306 | |
Florin Coras | 5623009 | 2020-09-02 20:52:58 -0700 | [diff] [blame] | 2307 | /* The underlying fifo segment can run out of memory */ |
| 2308 | if (PREDICT_FALSE (n_write < 0)) |
| 2309 | return VPPCOM_EAGAIN; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2310 | |
Florin Coras | 6d0106e | 2019-01-29 20:11:58 -0800 | [diff] [blame] | 2311 | VDBG (2, "session %u [0x%llx]: wrote %d bytes", s->session_index, |
| 2312 | s->vpp_handle, n_write); |
Florin Coras | 0e88e85 | 2018-09-17 22:09:02 -0700 | [diff] [blame] | 2313 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2314 | return n_write; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2315 | } |
| 2316 | |
Florin Coras | 42ceddb | 2018-12-12 10:56:01 -0800 | [diff] [blame] | 2317 | int |
| 2318 | vppcom_session_write (uint32_t session_handle, void *buf, size_t n) |
| 2319 | { |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2320 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 2321 | vcl_session_t *s; |
| 2322 | |
| 2323 | s = vcl_session_get_w_handle (wrk, session_handle); |
| 2324 | if (PREDICT_FALSE (!s)) |
| 2325 | return VPPCOM_EBADFD; |
| 2326 | |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 2327 | return vppcom_session_write_inline (wrk, s, buf, n, 0, 0 /* is_flush */, |
| 2328 | s->is_dgram ? 1 : 0); |
Florin Coras | 42ceddb | 2018-12-12 10:56:01 -0800 | [diff] [blame] | 2329 | } |
| 2330 | |
Florin Coras | b0f662f | 2018-12-27 14:51:46 -0800 | [diff] [blame] | 2331 | int |
| 2332 | vppcom_session_write_msg (uint32_t session_handle, void *buf, size_t n) |
| 2333 | { |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 2334 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 2335 | vcl_session_t *s; |
| 2336 | |
| 2337 | s = vcl_session_get_w_handle (wrk, session_handle); |
| 2338 | if (PREDICT_FALSE (!s)) |
| 2339 | return VPPCOM_EBADFD; |
| 2340 | |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 2341 | return vppcom_session_write_inline (wrk, s, buf, n, 0, 1 /* is_flush */, |
| 2342 | s->is_dgram ? 1 : 0); |
Florin Coras | b0f662f | 2018-12-27 14:51:46 -0800 | [diff] [blame] | 2343 | } |
| 2344 | |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2345 | #define vcl_fifo_rx_evt_valid_or_break(_s) \ |
Florin Coras | bd52e46 | 2019-10-28 13:22:37 -0700 | [diff] [blame] | 2346 | if (PREDICT_FALSE (!_s->rx_fifo)) \ |
| 2347 | break; \ |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2348 | if (PREDICT_FALSE (svm_fifo_is_empty (_s->rx_fifo))) \ |
| 2349 | { \ |
| 2350 | if (!vcl_session_is_ct (_s)) \ |
| 2351 | { \ |
| 2352 | svm_fifo_unset_event (_s->rx_fifo); \ |
| 2353 | if (svm_fifo_is_empty (_s->rx_fifo)) \ |
| 2354 | break; \ |
| 2355 | } \ |
| 2356 | else if (svm_fifo_is_empty (_s->ct_rx_fifo)) \ |
| 2357 | { \ |
Florin Coras | 2f63018 | 2020-08-13 00:17:51 -0700 | [diff] [blame] | 2358 | svm_fifo_unset_event (_s->rx_fifo); /* rx evts on actual fifo*/ \ |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2359 | if (svm_fifo_is_empty (_s->ct_rx_fifo)) \ |
| 2360 | break; \ |
| 2361 | } \ |
| 2362 | } \ |
Florin Coras | 6d4bb42 | 2018-09-04 22:07:27 -0700 | [diff] [blame] | 2363 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2364 | static void |
| 2365 | vcl_select_handle_mq_event (vcl_worker_t * wrk, session_event_t * e, |
| 2366 | unsigned long n_bits, unsigned long *read_map, |
| 2367 | unsigned long *write_map, |
| 2368 | unsigned long *except_map, u32 * bits_set) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2369 | { |
| 2370 | session_disconnected_msg_t *disconnected_msg; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2371 | session_connected_msg_t *connected_msg; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2372 | vcl_session_t *s; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2373 | u32 sid; |
| 2374 | |
| 2375 | switch (e->event_type) |
| 2376 | { |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2377 | case SESSION_IO_EVT_RX: |
| 2378 | sid = e->session_index; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2379 | s = vcl_session_get (wrk, sid); |
| 2380 | if (!s || !vcl_session_is_open (s)) |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2381 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2382 | vcl_fifo_rx_evt_valid_or_break (s); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2383 | if (sid < n_bits && read_map) |
| 2384 | { |
David Johnson | d9818dd | 2018-12-14 14:53:41 -0500 | [diff] [blame] | 2385 | clib_bitmap_set_no_check ((uword *) read_map, sid, 1); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2386 | *bits_set += 1; |
| 2387 | } |
| 2388 | break; |
Florin Coras | fe97da3 | 2019-03-06 10:09:04 -0800 | [diff] [blame] | 2389 | case SESSION_IO_EVT_TX: |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2390 | sid = e->session_index; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2391 | s = vcl_session_get (wrk, sid); |
| 2392 | if (!s || !vcl_session_is_open (s)) |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2393 | break; |
| 2394 | if (sid < n_bits && write_map) |
| 2395 | { |
David Johnson | d9818dd | 2018-12-14 14:53:41 -0500 | [diff] [blame] | 2396 | clib_bitmap_set_no_check ((uword *) write_map, sid, 1); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2397 | *bits_set += 1; |
| 2398 | } |
| 2399 | break; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2400 | case SESSION_CTRL_EVT_ACCEPTED: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2401 | if (!e->postponed) |
| 2402 | s = vcl_session_accepted (wrk, (session_accepted_msg_t *) e->data); |
| 2403 | else |
| 2404 | s = vcl_session_get (wrk, e->session_index); |
| 2405 | if (!s) |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 2406 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2407 | sid = s->session_index; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2408 | if (sid < n_bits && read_map) |
| 2409 | { |
David Johnson | d9818dd | 2018-12-14 14:53:41 -0500 | [diff] [blame] | 2410 | clib_bitmap_set_no_check ((uword *) read_map, sid, 1); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2411 | *bits_set += 1; |
| 2412 | } |
| 2413 | break; |
| 2414 | case SESSION_CTRL_EVT_CONNECTED: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2415 | if (!e->postponed) |
| 2416 | { |
| 2417 | connected_msg = (session_connected_msg_t *) e->data; |
| 2418 | sid = vcl_session_connected_handler (wrk, connected_msg); |
| 2419 | } |
| 2420 | else |
| 2421 | sid = e->session_index; |
Florin Coras | 57c8893 | 2019-08-29 12:03:17 -0700 | [diff] [blame] | 2422 | if (sid == VCL_INVALID_SESSION_INDEX) |
| 2423 | break; |
| 2424 | if (sid < n_bits && write_map) |
| 2425 | { |
| 2426 | clib_bitmap_set_no_check ((uword *) write_map, sid, 1); |
| 2427 | *bits_set += 1; |
| 2428 | } |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2429 | break; |
| 2430 | case SESSION_CTRL_EVT_DISCONNECTED: |
| 2431 | disconnected_msg = (session_disconnected_msg_t *) e->data; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2432 | s = vcl_session_disconnected_handler (wrk, disconnected_msg); |
| 2433 | if (!s) |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 2434 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 2435 | sid = s->session_index; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2436 | if (sid < n_bits && except_map) |
| 2437 | { |
David Johnson | d9818dd | 2018-12-14 14:53:41 -0500 | [diff] [blame] | 2438 | clib_bitmap_set_no_check ((uword *) except_map, sid, 1); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2439 | *bits_set += 1; |
| 2440 | } |
| 2441 | break; |
| 2442 | case SESSION_CTRL_EVT_RESET: |
| 2443 | sid = vcl_session_reset_handler (wrk, (session_reset_msg_t *) e->data); |
| 2444 | if (sid < n_bits && except_map) |
| 2445 | { |
David Johnson | d9818dd | 2018-12-14 14:53:41 -0500 | [diff] [blame] | 2446 | clib_bitmap_set_no_check ((uword *) except_map, sid, 1); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2447 | *bits_set += 1; |
| 2448 | } |
| 2449 | break; |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 2450 | case SESSION_CTRL_EVT_UNLISTEN_REPLY: |
| 2451 | vcl_session_unlisten_reply_handler (wrk, e->data); |
| 2452 | break; |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 2453 | case SESSION_CTRL_EVT_MIGRATED: |
| 2454 | vcl_session_migrated_handler (wrk, e->data); |
| 2455 | break; |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 2456 | case SESSION_CTRL_EVT_CLEANUP: |
| 2457 | vcl_session_cleanup_handler (wrk, e->data); |
| 2458 | break; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 2459 | case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY: |
| 2460 | vcl_session_worker_update_reply_handler (wrk, e->data); |
| 2461 | break; |
| 2462 | case SESSION_CTRL_EVT_REQ_WORKER_UPDATE: |
| 2463 | vcl_session_req_worker_update_handler (wrk, e->data); |
| 2464 | break; |
Florin Coras | c4c4cf5 | 2019-08-24 18:17:34 -0700 | [diff] [blame] | 2465 | case SESSION_CTRL_EVT_APP_ADD_SEGMENT: |
| 2466 | vcl_session_app_add_segment_handler (wrk, e->data); |
| 2467 | break; |
| 2468 | case SESSION_CTRL_EVT_APP_DEL_SEGMENT: |
| 2469 | vcl_session_app_del_segment_handler (wrk, e->data); |
| 2470 | break; |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 2471 | case SESSION_CTRL_EVT_APP_WRK_RPC: |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 2472 | vcl_worker_rpc_handler (wrk, e->data); |
| 2473 | break; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2474 | default: |
| 2475 | clib_warning ("unhandled: %u", e->event_type); |
| 2476 | break; |
| 2477 | } |
| 2478 | } |
| 2479 | |
| 2480 | static int |
| 2481 | vcl_select_handle_mq (vcl_worker_t * wrk, svm_msg_q_t * mq, |
| 2482 | unsigned long n_bits, unsigned long *read_map, |
| 2483 | unsigned long *write_map, unsigned long *except_map, |
| 2484 | double time_to_wait, u32 * bits_set) |
| 2485 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2486 | svm_msg_q_msg_t *msg; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2487 | session_event_t *e; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2488 | u32 i; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2489 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2490 | if (svm_msg_q_is_empty (mq)) |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2491 | { |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2492 | if (*bits_set) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2493 | return 0; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2494 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2495 | if (!time_to_wait) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2496 | return 0; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2497 | else if (time_to_wait < 0) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2498 | svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2499 | else |
| 2500 | { |
| 2501 | if (svm_msg_q_timedwait (mq, time_to_wait)) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 2502 | return 0; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2503 | } |
| 2504 | } |
Florin Coras | e003a1b | 2019-06-05 10:47:16 -0700 | [diff] [blame] | 2505 | vcl_mq_dequeue_batch (wrk, mq, ~0); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2506 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2507 | for (i = 0; i < vec_len (wrk->mq_msg_vector); i++) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2508 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2509 | msg = vec_elt_at_index (wrk->mq_msg_vector, i); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2510 | e = svm_msg_q_msg_data (mq, msg); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2511 | vcl_select_handle_mq_event (wrk, e, n_bits, read_map, write_map, |
| 2512 | except_map, bits_set); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2513 | svm_msg_q_free_msg (mq, msg); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2514 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2515 | vec_reset_length (wrk->mq_msg_vector); |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 2516 | vcl_handle_pending_wrk_updates (wrk); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2517 | return *bits_set; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2518 | } |
| 2519 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2520 | static int |
Florin Coras | 294afe2 | 2019-01-07 17:49:17 -0800 | [diff] [blame] | 2521 | vppcom_select_condvar (vcl_worker_t * wrk, int n_bits, |
| 2522 | vcl_si_set * read_map, vcl_si_set * write_map, |
| 2523 | vcl_si_set * except_map, double time_to_wait, |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2524 | u32 * bits_set) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2525 | { |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 2526 | double wait = 0, start = 0; |
| 2527 | |
| 2528 | if (!*bits_set) |
| 2529 | { |
| 2530 | wait = time_to_wait; |
| 2531 | start = clib_time_now (&wrk->clib_time); |
| 2532 | } |
| 2533 | |
| 2534 | do |
| 2535 | { |
| 2536 | vcl_select_handle_mq (wrk, wrk->app_event_queue, n_bits, read_map, |
| 2537 | write_map, except_map, wait, bits_set); |
| 2538 | if (*bits_set) |
| 2539 | return *bits_set; |
| 2540 | if (wait == -1) |
| 2541 | continue; |
| 2542 | |
| 2543 | wait = wait - (clib_time_now (&wrk->clib_time) - start); |
| 2544 | } |
| 2545 | while (wait > 0); |
| 2546 | |
| 2547 | return 0; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2548 | } |
| 2549 | |
| 2550 | static int |
Florin Coras | 294afe2 | 2019-01-07 17:49:17 -0800 | [diff] [blame] | 2551 | vppcom_select_eventfd (vcl_worker_t * wrk, int n_bits, |
| 2552 | vcl_si_set * read_map, vcl_si_set * write_map, |
| 2553 | vcl_si_set * except_map, double time_to_wait, |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2554 | u32 * bits_set) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2555 | { |
| 2556 | vcl_mq_evt_conn_t *mqc; |
| 2557 | int __clib_unused n_read; |
| 2558 | int n_mq_evts, i; |
| 2559 | u64 buf; |
| 2560 | |
Filip Tehlar | 8ccc6b3 | 2022-02-02 17:38:20 +0000 | [diff] [blame] | 2561 | if (PREDICT_FALSE (wrk->api_client_handle == ~0)) |
| 2562 | { |
| 2563 | vcl_api_retry_attach (wrk); |
| 2564 | return 0; |
| 2565 | } |
| 2566 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2567 | vec_validate (wrk->mq_events, pool_elts (wrk->mq_evt_conns)); |
| 2568 | n_mq_evts = epoll_wait (wrk->mqs_epfd, wrk->mq_events, |
| 2569 | vec_len (wrk->mq_events), time_to_wait); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2570 | for (i = 0; i < n_mq_evts; i++) |
| 2571 | { |
Filip Tehlar | 8ccc6b3 | 2022-02-02 17:38:20 +0000 | [diff] [blame] | 2572 | if (PREDICT_FALSE (wrk->mq_events[i].data.u32 == ~0)) |
| 2573 | { |
| 2574 | vcl_api_handle_disconnect (wrk); |
| 2575 | continue; |
| 2576 | } |
| 2577 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2578 | mqc = vcl_mq_evt_conn_get (wrk, wrk->mq_events[i].data.u32); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2579 | n_read = read (mqc->mq_fd, &buf, sizeof (buf)); |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2580 | vcl_select_handle_mq (wrk, mqc->mq, n_bits, read_map, write_map, |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2581 | except_map, 0, bits_set); |
| 2582 | } |
| 2583 | |
| 2584 | return (n_mq_evts > 0 ? (int) *bits_set : 0); |
| 2585 | } |
| 2586 | |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2587 | int |
Florin Coras | 294afe2 | 2019-01-07 17:49:17 -0800 | [diff] [blame] | 2588 | vppcom_select (int n_bits, vcl_si_set * read_map, vcl_si_set * write_map, |
| 2589 | vcl_si_set * except_map, double time_to_wait) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2590 | { |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2591 | u32 sid, minbits = clib_max (n_bits, BITS (uword)), bits_set = 0; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2592 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 096a1d5 | 2021-01-27 15:33:51 -0800 | [diff] [blame] | 2593 | vcl_session_t *s = 0; |
Florin Coras | f49cf47 | 2020-04-19 23:12:08 +0000 | [diff] [blame] | 2594 | int i; |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2595 | |
Dave Wallace | 7876d39 | 2017-10-19 03:53:57 -0400 | [diff] [blame] | 2596 | if (n_bits && read_map) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2597 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2598 | clib_bitmap_validate (wrk->rd_bitmap, minbits); |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 2599 | clib_memcpy_fast (wrk->rd_bitmap, read_map, |
Florin Coras | 294afe2 | 2019-01-07 17:49:17 -0800 | [diff] [blame] | 2600 | vec_len (wrk->rd_bitmap) * sizeof (vcl_si_set)); |
| 2601 | memset (read_map, 0, vec_len (wrk->rd_bitmap) * sizeof (vcl_si_set)); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2602 | } |
Dave Wallace | 7876d39 | 2017-10-19 03:53:57 -0400 | [diff] [blame] | 2603 | if (n_bits && write_map) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2604 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2605 | clib_bitmap_validate (wrk->wr_bitmap, minbits); |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 2606 | clib_memcpy_fast (wrk->wr_bitmap, write_map, |
Florin Coras | 294afe2 | 2019-01-07 17:49:17 -0800 | [diff] [blame] | 2607 | vec_len (wrk->wr_bitmap) * sizeof (vcl_si_set)); |
| 2608 | memset (write_map, 0, vec_len (wrk->wr_bitmap) * sizeof (vcl_si_set)); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2609 | } |
Dave Wallace | 7876d39 | 2017-10-19 03:53:57 -0400 | [diff] [blame] | 2610 | if (n_bits && except_map) |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2611 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2612 | clib_bitmap_validate (wrk->ex_bitmap, minbits); |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 2613 | clib_memcpy_fast (wrk->ex_bitmap, except_map, |
Florin Coras | 294afe2 | 2019-01-07 17:49:17 -0800 | [diff] [blame] | 2614 | vec_len (wrk->ex_bitmap) * sizeof (vcl_si_set)); |
| 2615 | memset (except_map, 0, vec_len (wrk->ex_bitmap) * sizeof (vcl_si_set)); |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2616 | } |
| 2617 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2618 | if (!n_bits) |
| 2619 | return 0; |
| 2620 | |
| 2621 | if (!write_map) |
| 2622 | goto check_rd; |
| 2623 | |
Florin Coras | 096a1d5 | 2021-01-27 15:33:51 -0800 | [diff] [blame] | 2624 | clib_bitmap_foreach (sid, wrk->wr_bitmap) |
| 2625 | { |
| 2626 | if (!(s = vcl_session_get (wrk, sid))) |
| 2627 | { |
| 2628 | clib_bitmap_set_no_check ((uword *) write_map, sid, 1); |
| 2629 | bits_set++; |
| 2630 | continue; |
| 2631 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2632 | |
Florin Coras | 096a1d5 | 2021-01-27 15:33:51 -0800 | [diff] [blame] | 2633 | if (vcl_session_write_ready (s)) |
| 2634 | { |
| 2635 | clib_bitmap_set_no_check ((uword *) write_map, sid, 1); |
| 2636 | bits_set++; |
| 2637 | } |
| 2638 | else |
| 2639 | { |
| 2640 | svm_fifo_t *txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo; |
| 2641 | svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF); |
| 2642 | } |
| 2643 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2644 | |
| 2645 | check_rd: |
| 2646 | if (!read_map) |
| 2647 | goto check_mq; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2648 | |
Florin Coras | 096a1d5 | 2021-01-27 15:33:51 -0800 | [diff] [blame] | 2649 | clib_bitmap_foreach (sid, wrk->rd_bitmap) |
| 2650 | { |
| 2651 | if (!(s = vcl_session_get (wrk, sid))) |
| 2652 | { |
| 2653 | clib_bitmap_set_no_check ((uword *) read_map, sid, 1); |
| 2654 | bits_set++; |
| 2655 | continue; |
| 2656 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2657 | |
Florin Coras | 096a1d5 | 2021-01-27 15:33:51 -0800 | [diff] [blame] | 2658 | if (vcl_session_read_ready (s)) |
| 2659 | { |
| 2660 | clib_bitmap_set_no_check ((uword *) read_map, sid, 1); |
| 2661 | bits_set++; |
| 2662 | } |
| 2663 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2664 | |
| 2665 | check_mq: |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2666 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 2667 | for (i = 0; i < vec_len (wrk->unhandled_evts_vector); i++) |
| 2668 | { |
| 2669 | vcl_select_handle_mq_event (wrk, &wrk->unhandled_evts_vector[i], n_bits, |
| 2670 | read_map, write_map, except_map, &bits_set); |
| 2671 | } |
| 2672 | vec_reset_length (wrk->unhandled_evts_vector); |
| 2673 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2674 | if (vcm->cfg.use_mq_eventfd) |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2675 | vppcom_select_eventfd (wrk, n_bits, read_map, write_map, except_map, |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2676 | time_to_wait, &bits_set); |
| 2677 | else |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2678 | vppcom_select_condvar (wrk, n_bits, read_map, write_map, except_map, |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2679 | time_to_wait, &bits_set); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 2680 | |
Dave Wallace | 543852a | 2017-08-03 02:11:34 -0400 | [diff] [blame] | 2681 | return (bits_set); |
| 2682 | } |
| 2683 | |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2684 | static inline void |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2685 | vep_verify_epoll_chain (vcl_worker_t * wrk, u32 vep_handle) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2686 | { |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2687 | vppcom_epoll_t *vep; |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2688 | u32 sh = vep_handle; |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2689 | vcl_session_t *s; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2690 | |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 2691 | if (VPPCOM_DEBUG <= 2) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2692 | return; |
| 2693 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2694 | s = vcl_session_get_w_handle (wrk, vep_handle); |
| 2695 | if (PREDICT_FALSE (!s)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2696 | { |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2697 | VDBG (0, "ERROR: Invalid vep_sh (%u)!", vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2698 | goto done; |
| 2699 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2700 | if (PREDICT_FALSE (!(s->flags & VCL_SESSION_F_IS_VEP))) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2701 | { |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2702 | VDBG (0, "ERROR: vep_sh (%u) is not a vep!", vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2703 | goto done; |
| 2704 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2705 | vep = &s->vep; |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2706 | VDBG (0, "vep_sh (%u): Dumping epoll chain\n" |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2707 | "{\n" |
| 2708 | " is_vep = %u\n" |
| 2709 | " is_vep_session = %u\n" |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2710 | " next_sh = 0x%x (%u)\n" |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2711 | "}\n", vep_handle, s->flags & VCL_SESSION_F_IS_VEP, |
| 2712 | s->flags & VCL_SESSION_F_IS_VEP_SESSION, vep->next_sh, vep->next_sh); |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2713 | |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2714 | for (sh = vep->next_sh; sh != ~0; sh = vep->next_sh) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2715 | { |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2716 | s = vcl_session_get_w_handle (wrk, sh); |
| 2717 | if (PREDICT_FALSE (!s)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2718 | { |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2719 | VDBG (0, "ERROR: Invalid sh (%u)!", sh); |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2720 | goto done; |
| 2721 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2722 | if (PREDICT_FALSE (s->flags & VCL_SESSION_F_IS_VEP)) |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2723 | { |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2724 | VDBG (0, "ERROR: sh (%u) is a vep!", vep_handle); |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2725 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2726 | else if (PREDICT_FALSE (!(s->flags & VCL_SESSION_F_IS_VEP_SESSION))) |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2727 | { |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2728 | VDBG (0, "ERROR: sh (%u) is not a vep session handle!", sh); |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2729 | goto done; |
| 2730 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2731 | vep = &s->vep; |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2732 | if (PREDICT_FALSE (vep->vep_sh != vep_handle)) |
| 2733 | VDBG (0, "ERROR: session (%u) vep_sh (%u) != vep_sh (%u)!", |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2734 | sh, s->vep.vep_sh, vep_handle); |
| 2735 | if (s->flags & VCL_SESSION_F_IS_VEP_SESSION) |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2736 | { |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2737 | VDBG (0, "vep_sh[%u]: sh 0x%x (%u)\n" |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2738 | "{\n" |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2739 | " next_sh = 0x%x (%u)\n" |
| 2740 | " prev_sh = 0x%x (%u)\n" |
| 2741 | " vep_sh = 0x%x (%u)\n" |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2742 | " ev.events = 0x%x\n" |
| 2743 | " ev.data.u64 = 0x%llx\n" |
| 2744 | " et_mask = 0x%x\n" |
| 2745 | "}\n", |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2746 | vep_handle, sh, sh, vep->next_sh, vep->next_sh, vep->prev_sh, |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2747 | vep->prev_sh, vep->vep_sh, vep->vep_sh, vep->ev.events, |
| 2748 | vep->ev.data.u64, vep->et_mask); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2749 | } |
| 2750 | } |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2751 | |
| 2752 | done: |
Florin Coras | 7e5e62b | 2019-07-30 14:08:23 -0700 | [diff] [blame] | 2753 | VDBG (0, "vep_sh (%u): Dump complete!\n", vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2754 | } |
| 2755 | |
| 2756 | int |
| 2757 | vppcom_epoll_create (void) |
| 2758 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2759 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 2760 | vcl_session_t *vep_session; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2761 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2762 | vep_session = vcl_session_alloc (wrk); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2763 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2764 | vep_session->flags |= VCL_SESSION_F_IS_VEP; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2765 | vep_session->vep.vep_sh = ~0; |
| 2766 | vep_session->vep.next_sh = ~0; |
| 2767 | vep_session->vep.prev_sh = ~0; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2768 | vep_session->vpp_handle = ~0; |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 2769 | |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2770 | vcl_evt (VCL_EVT_EPOLL_CREATE, vep_session, vep_session->session_index); |
| 2771 | VDBG (0, "Created vep_idx %u", vep_session->session_index); |
Keith Burns (alagalah) | 09b2784 | 2018-01-05 14:39:59 -0800 | [diff] [blame] | 2772 | |
Florin Coras | ab2f6db | 2018-08-31 14:31:41 -0700 | [diff] [blame] | 2773 | return vcl_session_handle (vep_session); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2774 | } |
| 2775 | |
| 2776 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2777 | vppcom_epoll_ctl (uint32_t vep_handle, int op, uint32_t session_handle, |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2778 | struct epoll_event *event) |
| 2779 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2780 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 2781 | int rv = VPPCOM_OK, add_evt = 0; |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 2782 | vcl_session_t *vep_session; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2783 | vcl_session_t *s; |
| 2784 | svm_fifo_t *txf; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2785 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2786 | if (vep_handle == session_handle) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2787 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2788 | VDBG (0, "vep_sh == session handle (%u)!", vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2789 | return VPPCOM_EINVAL; |
| 2790 | } |
| 2791 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2792 | vep_session = vcl_session_get_w_handle (wrk, vep_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2793 | if (PREDICT_FALSE (!vep_session)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2794 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2795 | VDBG (0, "Invalid vep_sh (%u)!", vep_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2796 | return VPPCOM_EBADFD; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2797 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2798 | if (PREDICT_FALSE (!(vep_session->flags & VCL_SESSION_F_IS_VEP))) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2799 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2800 | VDBG (0, "vep_sh (%u) is not a vep!", vep_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2801 | return VPPCOM_EINVAL; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2802 | } |
| 2803 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2804 | ASSERT (vep_session->vep.vep_sh == ~0); |
| 2805 | ASSERT (vep_session->vep.prev_sh == ~0); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2806 | |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2807 | s = vcl_session_get_w_handle (wrk, session_handle); |
| 2808 | if (PREDICT_FALSE (!s)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2809 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2810 | VDBG (0, "Invalid session_handle (%u)!", session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2811 | return VPPCOM_EBADFD; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2812 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2813 | if (PREDICT_FALSE (s->flags & VCL_SESSION_F_IS_VEP)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2814 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2815 | VDBG (0, "session_handle (%u) is a vep!", vep_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2816 | return VPPCOM_EINVAL; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2817 | } |
| 2818 | |
| 2819 | switch (op) |
| 2820 | { |
| 2821 | case EPOLL_CTL_ADD: |
| 2822 | if (PREDICT_FALSE (!event)) |
| 2823 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2824 | VDBG (0, "EPOLL_CTL_ADD: NULL pointer to epoll_event structure!"); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2825 | return VPPCOM_EINVAL; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2826 | } |
Florin Coras | 2645f68 | 2021-06-04 15:59:41 -0700 | [diff] [blame] | 2827 | if (s->flags & VCL_SESSION_F_IS_VEP_SESSION) |
| 2828 | { |
| 2829 | VDBG (0, "EPOLL_CTL_ADD: %u already epolled!", s->session_index); |
| 2830 | rv = VPPCOM_EEXIST; |
| 2831 | goto done; |
| 2832 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2833 | if (vep_session->vep.next_sh != ~0) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2834 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 2835 | vcl_session_t *next_session; |
Florin Coras | ab2f6db | 2018-08-31 14:31:41 -0700 | [diff] [blame] | 2836 | next_session = vcl_session_get_w_handle (wrk, |
| 2837 | vep_session->vep.next_sh); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2838 | if (PREDICT_FALSE (!next_session)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2839 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2840 | VDBG (0, "EPOLL_CTL_ADD: Invalid vep.next_sh (%u) on " |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2841 | "vep_idx (%u)!", vep_session->vep.next_sh, vep_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2842 | return VPPCOM_EBADFD; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2843 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2844 | ASSERT (next_session->vep.prev_sh == vep_handle); |
| 2845 | next_session->vep.prev_sh = session_handle; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2846 | } |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2847 | s->vep.next_sh = vep_session->vep.next_sh; |
| 2848 | s->vep.prev_sh = vep_handle; |
| 2849 | s->vep.vep_sh = vep_handle; |
| 2850 | s->vep.et_mask = VEP_DEFAULT_ET_MASK; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 2851 | s->vep.lt_next = VCL_INVALID_SESSION_INDEX; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2852 | s->vep.ev = *event; |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2853 | s->flags &= ~VCL_SESSION_F_IS_VEP; |
| 2854 | s->flags |= VCL_SESSION_F_IS_VEP_SESSION; |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2855 | vep_session->vep.next_sh = session_handle; |
Keith Burns (alagalah) | 3cf2d64 | 2018-02-23 10:17:01 -0800 | [diff] [blame] | 2856 | |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2857 | txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo; |
| 2858 | if (txf && (event->events & EPOLLOUT)) |
| 2859 | svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); |
Florin Coras | 1bcad5c | 2019-01-09 20:04:38 -0800 | [diff] [blame] | 2860 | |
Florin Coras | 6e3c1f8 | 2020-01-15 01:30:46 +0000 | [diff] [blame] | 2861 | /* Generate EPOLLOUT if tx fifo not full */ |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2862 | if ((event->events & EPOLLOUT) && (vcl_session_write_ready (s) > 0)) |
hanlin | 475c9d7 | 2019-12-26 11:44:28 +0800 | [diff] [blame] | 2863 | { |
| 2864 | session_event_t e = { 0 }; |
| 2865 | e.event_type = SESSION_IO_EVT_TX; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2866 | e.session_index = s->session_index; |
hanlin | 475c9d7 | 2019-12-26 11:44:28 +0800 | [diff] [blame] | 2867 | vec_add1 (wrk->unhandled_evts_vector, e); |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 2868 | add_evt = 1; |
hanlin | 475c9d7 | 2019-12-26 11:44:28 +0800 | [diff] [blame] | 2869 | } |
Florin Coras | 6e3c1f8 | 2020-01-15 01:30:46 +0000 | [diff] [blame] | 2870 | /* Generate EPOLLIN if rx fifo has data */ |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2871 | if ((event->events & EPOLLIN) && (vcl_session_read_ready (s) > 0)) |
Florin Coras | 6e3c1f8 | 2020-01-15 01:30:46 +0000 | [diff] [blame] | 2872 | { |
| 2873 | session_event_t e = { 0 }; |
| 2874 | e.event_type = SESSION_IO_EVT_RX; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2875 | e.session_index = s->session_index; |
Florin Coras | 6e3c1f8 | 2020-01-15 01:30:46 +0000 | [diff] [blame] | 2876 | vec_add1 (wrk->unhandled_evts_vector, e); |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 2877 | s->flags &= ~VCL_SESSION_F_HAS_RX_EVT; |
| 2878 | add_evt = 1; |
| 2879 | } |
| 2880 | if (!add_evt && vcl_session_is_closing (s)) |
| 2881 | { |
| 2882 | session_event_t e = { 0 }; |
| 2883 | if (s->session_state == VCL_STATE_VPP_CLOSING) |
| 2884 | e.event_type = SESSION_CTRL_EVT_DISCONNECTED; |
| 2885 | else |
| 2886 | e.event_type = SESSION_CTRL_EVT_RESET; |
| 2887 | e.session_index = s->session_index; |
| 2888 | e.postponed = 1; |
| 2889 | vec_add1 (wrk->unhandled_evts_vector, e); |
Florin Coras | 6e3c1f8 | 2020-01-15 01:30:46 +0000 | [diff] [blame] | 2890 | } |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2891 | VDBG (1, "EPOLL_CTL_ADD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!", |
| 2892 | vep_handle, session_handle, event->events, event->data.u64); |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2893 | vcl_evt (VCL_EVT_EPOLL_CTLADD, s, event->events, event->data.u64); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2894 | break; |
| 2895 | |
| 2896 | case EPOLL_CTL_MOD: |
| 2897 | if (PREDICT_FALSE (!event)) |
| 2898 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2899 | VDBG (0, "EPOLL_CTL_MOD: NULL pointer to epoll_event structure!"); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2900 | rv = VPPCOM_EINVAL; |
| 2901 | goto done; |
| 2902 | } |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2903 | else if (PREDICT_FALSE (!(s->flags & VCL_SESSION_F_IS_VEP_SESSION))) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2904 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2905 | VDBG (0, "sh %u EPOLL_CTL_MOD: not a vep session!", session_handle); |
Florin Coras | 2645f68 | 2021-06-04 15:59:41 -0700 | [diff] [blame] | 2906 | rv = VPPCOM_ENOENT; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2907 | goto done; |
| 2908 | } |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2909 | else if (PREDICT_FALSE (s->vep.vep_sh != vep_handle)) |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2910 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2911 | VDBG (0, "EPOLL_CTL_MOD: sh %u vep_sh (%u) != vep_sh (%u)!", |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2912 | session_handle, s->vep.vep_sh, vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2913 | rv = VPPCOM_EINVAL; |
| 2914 | goto done; |
| 2915 | } |
hanlin | 475c9d7 | 2019-12-26 11:44:28 +0800 | [diff] [blame] | 2916 | |
Florin Coras | 2645f68 | 2021-06-04 15:59:41 -0700 | [diff] [blame] | 2917 | /* Generate EPOLLOUT if session write ready nd event was not on */ |
| 2918 | if ((event->events & EPOLLOUT) && !(s->vep.ev.events & EPOLLOUT) && |
| 2919 | (vcl_session_write_ready (s) > 0)) |
hanlin | 475c9d7 | 2019-12-26 11:44:28 +0800 | [diff] [blame] | 2920 | { |
| 2921 | session_event_t e = { 0 }; |
| 2922 | e.event_type = SESSION_IO_EVT_TX; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2923 | e.session_index = s->session_index; |
hanlin | 475c9d7 | 2019-12-26 11:44:28 +0800 | [diff] [blame] | 2924 | vec_add1 (wrk->unhandled_evts_vector, e); |
| 2925 | } |
Florin Coras | 2645f68 | 2021-06-04 15:59:41 -0700 | [diff] [blame] | 2926 | /* Generate EPOLLIN if session read ready and event was not on */ |
| 2927 | if ((event->events & EPOLLIN) && !(s->vep.ev.events & EPOLLIN) && |
| 2928 | (vcl_session_read_ready (s) > 0)) |
| 2929 | { |
| 2930 | session_event_t e = { 0 }; |
| 2931 | e.event_type = SESSION_IO_EVT_RX; |
| 2932 | e.session_index = s->session_index; |
| 2933 | vec_add1 (wrk->unhandled_evts_vector, e); |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 2934 | s->flags &= ~VCL_SESSION_F_HAS_RX_EVT; |
Florin Coras | 2645f68 | 2021-06-04 15:59:41 -0700 | [diff] [blame] | 2935 | } |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2936 | s->vep.et_mask = VEP_DEFAULT_ET_MASK; |
| 2937 | s->vep.ev = *event; |
| 2938 | txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo; |
Florin Coras | 8fb22fd | 2021-02-17 17:35:32 -0800 | [diff] [blame] | 2939 | if (txf) |
| 2940 | { |
| 2941 | if (event->events & EPOLLOUT) |
| 2942 | svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); |
| 2943 | else |
| 2944 | svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); |
| 2945 | } |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2946 | VDBG (1, "EPOLL_CTL_MOD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!", |
| 2947 | vep_handle, session_handle, event->events, event->data.u64); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2948 | break; |
| 2949 | |
| 2950 | case EPOLL_CTL_DEL: |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 2951 | if (PREDICT_FALSE (!(s->flags & VCL_SESSION_F_IS_VEP_SESSION))) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2952 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2953 | VDBG (0, "EPOLL_CTL_DEL: %u not a vep session!", session_handle); |
Florin Coras | 2645f68 | 2021-06-04 15:59:41 -0700 | [diff] [blame] | 2954 | rv = VPPCOM_ENOENT; |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2955 | goto done; |
| 2956 | } |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2957 | else if (PREDICT_FALSE (s->vep.vep_sh != vep_handle)) |
Dave Wallace | 4878cbe | 2017-11-21 03:45:09 -0500 | [diff] [blame] | 2958 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 2959 | VDBG (0, "EPOLL_CTL_DEL: sh %u vep_sh (%u) != vep_sh (%u)!", |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2960 | session_handle, s->vep.vep_sh, vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2961 | rv = VPPCOM_EINVAL; |
| 2962 | goto done; |
| 2963 | } |
| 2964 | |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2965 | if (s->vep.prev_sh == vep_handle) |
| 2966 | vep_session->vep.next_sh = s->vep.next_sh; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2967 | else |
| 2968 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 2969 | vcl_session_t *prev_session; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2970 | prev_session = vcl_session_get_w_handle (wrk, s->vep.prev_sh); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2971 | if (PREDICT_FALSE (!prev_session)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2972 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2973 | VDBG (0, "EPOLL_CTL_DEL: Invalid prev_sh (%u) on sh (%u)!", |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2974 | s->vep.prev_sh, session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2975 | return VPPCOM_EBADFD; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2976 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2977 | ASSERT (prev_session->vep.next_sh == session_handle); |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2978 | prev_session->vep.next_sh = s->vep.next_sh; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2979 | } |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2980 | if (s->vep.next_sh != ~0) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2981 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 2982 | vcl_session_t *next_session; |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2983 | next_session = vcl_session_get_w_handle (wrk, s->vep.next_sh); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2984 | if (PREDICT_FALSE (!next_session)) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2985 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 2986 | VDBG (0, "EPOLL_CTL_DEL: Invalid next_sh (%u) on sh (%u)!", |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2987 | s->vep.next_sh, session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 2988 | return VPPCOM_EBADFD; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2989 | } |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 2990 | ASSERT (next_session->vep.prev_sh == session_handle); |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2991 | next_session->vep.prev_sh = s->vep.prev_sh; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 2992 | } |
| 2993 | |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 2994 | if (s->vep.lt_next != VCL_INVALID_SESSION_INDEX) |
| 2995 | vcl_epoll_lt_del (wrk, s); |
| 2996 | |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 2997 | memset (&s->vep, 0, sizeof (s->vep)); |
| 2998 | s->vep.next_sh = ~0; |
| 2999 | s->vep.prev_sh = ~0; |
| 3000 | s->vep.vep_sh = ~0; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3001 | s->vep.lt_next = VCL_INVALID_SESSION_INDEX; |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 3002 | s->flags &= ~VCL_SESSION_F_IS_VEP_SESSION; |
Florin Coras | 1bcad5c | 2019-01-09 20:04:38 -0800 | [diff] [blame] | 3003 | |
Florin Coras | f1ddeeb | 2021-06-10 08:08:53 -0700 | [diff] [blame] | 3004 | if (vcl_session_is_open (s)) |
| 3005 | { |
| 3006 | txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo; |
| 3007 | if (txf) |
| 3008 | svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); |
| 3009 | } |
Florin Coras | 1bcad5c | 2019-01-09 20:04:38 -0800 | [diff] [blame] | 3010 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3011 | VDBG (1, "EPOLL_CTL_DEL: vep_idx %u, sh %u!", vep_handle, |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 3012 | session_handle); |
Florin Coras | 17ec577 | 2020-08-12 20:46:29 -0700 | [diff] [blame] | 3013 | vcl_evt (VCL_EVT_EPOLL_CTLDEL, s, vep_sh); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3014 | break; |
| 3015 | |
| 3016 | default: |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 3017 | VDBG (0, "Invalid operation (%d)!", op); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3018 | rv = VPPCOM_EINVAL; |
| 3019 | } |
| 3020 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3021 | vep_verify_epoll_chain (wrk, vep_handle); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3022 | |
| 3023 | done: |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3024 | return rv; |
| 3025 | } |
| 3026 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3027 | static inline void |
| 3028 | vcl_epoll_wait_handle_mq_event (vcl_worker_t * wrk, session_event_t * e, |
| 3029 | struct epoll_event *events, u32 * num_ev) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3030 | { |
| 3031 | session_disconnected_msg_t *disconnected_msg; |
| 3032 | session_connected_msg_t *connected_msg; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3033 | u32 sid = ~0, session_events; |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 3034 | u64 session_evt_data = ~0; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3035 | vcl_session_t *s; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3036 | u8 add_event = 0; |
| 3037 | |
| 3038 | switch (e->event_type) |
| 3039 | { |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 3040 | case SESSION_IO_EVT_RX: |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 3041 | sid = e->session_index; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3042 | s = vcl_session_get (wrk, sid); |
| 3043 | if (vcl_session_is_closed (s)) |
Florin Coras | fa915f8 | 2018-12-26 16:29:06 -0800 | [diff] [blame] | 3044 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3045 | vcl_fifo_rx_evt_valid_or_break (s); |
| 3046 | session_events = s->vep.ev.events; |
Florin Coras | 99e4145 | 2021-08-31 13:29:41 -0700 | [diff] [blame] | 3047 | if (!(EPOLLIN & s->vep.ev.events) || |
| 3048 | (s->flags & VCL_SESSION_F_HAS_RX_EVT) || |
| 3049 | (s->vep.lt_next != VCL_INVALID_SESSION_INDEX)) |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3050 | break; |
| 3051 | add_event = 1; |
wanghanlin | 9e42cc2 | 2021-06-25 17:40:13 +0800 | [diff] [blame] | 3052 | events[*num_ev].events = EPOLLIN; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3053 | session_evt_data = s->vep.ev.data.u64; |
| 3054 | s->flags |= VCL_SESSION_F_HAS_RX_EVT; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3055 | break; |
Florin Coras | 653e43f | 2019-03-04 10:56:23 -0800 | [diff] [blame] | 3056 | case SESSION_IO_EVT_TX: |
Florin Coras | c0737e9 | 2019-03-04 14:19:39 -0800 | [diff] [blame] | 3057 | sid = e->session_index; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3058 | s = vcl_session_get (wrk, sid); |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3059 | if (!s || !vcl_session_is_open (s)) |
Florin Coras | fa915f8 | 2018-12-26 16:29:06 -0800 | [diff] [blame] | 3060 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3061 | session_events = s->vep.ev.events; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3062 | if (!(EPOLLOUT & session_events)) |
| 3063 | break; |
| 3064 | add_event = 1; |
wanghanlin | 9e42cc2 | 2021-06-25 17:40:13 +0800 | [diff] [blame] | 3065 | events[*num_ev].events = EPOLLOUT; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3066 | session_evt_data = s->vep.ev.data.u64; |
| 3067 | svm_fifo_reset_has_deq_ntf (vcl_session_is_ct (s) ? |
| 3068 | s->ct_tx_fifo : s->tx_fifo); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3069 | break; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3070 | case SESSION_CTRL_EVT_ACCEPTED: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3071 | if (!e->postponed) |
| 3072 | s = vcl_session_accepted (wrk, (session_accepted_msg_t *) e->data); |
| 3073 | else |
| 3074 | s = vcl_session_get (wrk, e->session_index); |
| 3075 | if (!s) |
Florin Coras | 3c7d4f9 | 2018-12-14 11:28:43 -0800 | [diff] [blame] | 3076 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3077 | session_events = s->vep.ev.events; |
| 3078 | sid = s->session_index; |
liuyacan | cba8710 | 2021-09-10 15:14:05 +0800 | [diff] [blame] | 3079 | if (!(EPOLLIN & session_events) || |
| 3080 | (s->vep.lt_next != VCL_INVALID_SESSION_INDEX)) |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3081 | break; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3082 | add_event = 1; |
wanghanlin | 9e42cc2 | 2021-06-25 17:40:13 +0800 | [diff] [blame] | 3083 | events[*num_ev].events = EPOLLIN; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3084 | session_evt_data = s->vep.ev.data.u64; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3085 | break; |
| 3086 | case SESSION_CTRL_EVT_CONNECTED: |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3087 | if (!e->postponed) |
| 3088 | { |
| 3089 | connected_msg = (session_connected_msg_t *) e->data; |
| 3090 | sid = vcl_session_connected_handler (wrk, connected_msg); |
| 3091 | } |
| 3092 | else |
| 3093 | sid = e->session_index; |
| 3094 | s = vcl_session_get (wrk, sid); |
| 3095 | if (vcl_session_is_closed (s)) |
Florin Coras | fa915f8 | 2018-12-26 16:29:06 -0800 | [diff] [blame] | 3096 | break; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3097 | session_events = s->vep.ev.events; |
| 3098 | /* Generate EPOLLOUT because there's no connected event */ |
Florin Coras | 72f7782 | 2019-01-22 19:05:52 -0800 | [diff] [blame] | 3099 | if (!(EPOLLOUT & session_events)) |
| 3100 | break; |
| 3101 | add_event = 1; |
wanghanlin | 9e42cc2 | 2021-06-25 17:40:13 +0800 | [diff] [blame] | 3102 | events[*num_ev].events = EPOLLOUT; |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3103 | session_evt_data = s->vep.ev.data.u64; |
| 3104 | if (s->session_state == VCL_STATE_DETACHED) |
Florin Coras | dbc9c59 | 2019-09-25 16:37:43 -0700 | [diff] [blame] | 3105 | events[*num_ev].events |= EPOLLHUP; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3106 | break; |
| 3107 | case SESSION_CTRL_EVT_DISCONNECTED: |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 3108 | if (!e->postponed) |
| 3109 | { |
| 3110 | disconnected_msg = (session_disconnected_msg_t *) e->data; |
| 3111 | s = vcl_session_disconnected_handler (wrk, disconnected_msg); |
| 3112 | } |
| 3113 | else |
| 3114 | { |
| 3115 | s = vcl_session_get (wrk, e->session_index); |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3116 | s->flags &= ~VCL_SESSION_F_PENDING_DISCONNECT; |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 3117 | } |
| 3118 | if (vcl_session_is_closed (s) || |
| 3119 | !(s->flags & VCL_SESSION_F_IS_VEP_SESSION)) |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3120 | { |
Florin Coras | 74254b5 | 2021-12-08 11:03:08 -0800 | [diff] [blame] | 3121 | if (s && (s->flags & VCL_SESSION_F_PENDING_FREE)) |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3122 | vcl_session_free (wrk, s); |
| 3123 | break; |
| 3124 | } |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3125 | sid = s->session_index; |
| 3126 | session_events = s->vep.ev.events; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3127 | add_event = 1; |
liuyacan | ffd9ddb | 2021-11-01 10:22:09 +0800 | [diff] [blame] | 3128 | if (EPOLLRDHUP & session_events) |
| 3129 | { |
| 3130 | /* If app can distinguish between RDHUP and HUP, |
| 3131 | * we make finer control */ |
| 3132 | events[*num_ev].events = EPOLLRDHUP; |
| 3133 | if (s->flags & VCL_SESSION_F_WR_SHUTDOWN) |
| 3134 | { |
| 3135 | events[*num_ev].events |= EPOLLHUP; |
| 3136 | } |
| 3137 | } |
| 3138 | else |
| 3139 | { |
| 3140 | events[*num_ev].events = EPOLLHUP; |
| 3141 | } |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3142 | session_evt_data = s->vep.ev.data.u64; |
liuyacan | ffd9ddb | 2021-11-01 10:22:09 +0800 | [diff] [blame] | 3143 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3144 | break; |
| 3145 | case SESSION_CTRL_EVT_RESET: |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 3146 | if (!e->postponed) |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3147 | { |
| 3148 | sid = |
| 3149 | vcl_session_reset_handler (wrk, (session_reset_msg_t *) e->data); |
| 3150 | s = vcl_session_get (wrk, sid); |
| 3151 | } |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 3152 | else |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3153 | { |
| 3154 | sid = e->session_index; |
| 3155 | s = vcl_session_get (wrk, sid); |
| 3156 | s->flags &= ~VCL_SESSION_F_PENDING_DISCONNECT; |
| 3157 | } |
Florin Coras | 87f7600 | 2021-06-28 19:13:29 -0700 | [diff] [blame] | 3158 | if (vcl_session_is_closed (s) || |
| 3159 | !(s->flags & VCL_SESSION_F_IS_VEP_SESSION)) |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3160 | { |
Florin Coras | 74254b5 | 2021-12-08 11:03:08 -0800 | [diff] [blame] | 3161 | if (s && (s->flags & VCL_SESSION_F_PENDING_FREE)) |
Florin Coras | f0fe1ea | 2021-12-03 17:03:37 -0800 | [diff] [blame] | 3162 | vcl_session_free (wrk, s); |
| 3163 | break; |
| 3164 | } |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3165 | session_events = s->vep.ev.events; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3166 | add_event = 1; |
Yacan Liu | f5e0a17 | 2022-09-20 14:19:19 +0800 | [diff] [blame] | 3167 | events[*num_ev].events = EPOLLERR | EPOLLHUP; |
| 3168 | if ((EPOLLRDHUP & session_events) && |
| 3169 | (s->flags & VCL_SESSION_F_RD_SHUTDOWN)) |
| 3170 | { |
Yacan Liu | ab15770 | 2022-09-26 16:41:32 +0800 | [diff] [blame] | 3171 | events[*num_ev].events |= EPOLLRDHUP; |
Yacan Liu | f5e0a17 | 2022-09-20 14:19:19 +0800 | [diff] [blame] | 3172 | } |
| 3173 | if ((EPOLLIN & session_events) && (s->flags & VCL_SESSION_F_RD_SHUTDOWN)) |
| 3174 | { |
| 3175 | events[*num_ev].events |= EPOLLIN; |
| 3176 | } |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3177 | session_evt_data = s->vep.ev.data.u64; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3178 | break; |
Florin Coras | dfae9f9 | 2019-02-20 19:48:31 -0800 | [diff] [blame] | 3179 | case SESSION_CTRL_EVT_UNLISTEN_REPLY: |
| 3180 | vcl_session_unlisten_reply_handler (wrk, e->data); |
| 3181 | break; |
Florin Coras | 68b7e58 | 2020-01-21 18:33:23 -0800 | [diff] [blame] | 3182 | case SESSION_CTRL_EVT_MIGRATED: |
| 3183 | vcl_session_migrated_handler (wrk, e->data); |
| 3184 | break; |
Florin Coras | 9ace36d | 2019-10-28 13:14:17 -0700 | [diff] [blame] | 3185 | case SESSION_CTRL_EVT_CLEANUP: |
| 3186 | vcl_session_cleanup_handler (wrk, e->data); |
| 3187 | break; |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 3188 | case SESSION_CTRL_EVT_REQ_WORKER_UPDATE: |
| 3189 | vcl_session_req_worker_update_handler (wrk, e->data); |
| 3190 | break; |
| 3191 | case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY: |
| 3192 | vcl_session_worker_update_reply_handler (wrk, e->data); |
| 3193 | break; |
Florin Coras | c4c4cf5 | 2019-08-24 18:17:34 -0700 | [diff] [blame] | 3194 | case SESSION_CTRL_EVT_APP_ADD_SEGMENT: |
| 3195 | vcl_session_app_add_segment_handler (wrk, e->data); |
| 3196 | break; |
| 3197 | case SESSION_CTRL_EVT_APP_DEL_SEGMENT: |
| 3198 | vcl_session_app_del_segment_handler (wrk, e->data); |
| 3199 | break; |
hanlin | a3a4896 | 2020-07-13 11:09:15 +0800 | [diff] [blame] | 3200 | case SESSION_CTRL_EVT_APP_WRK_RPC: |
Florin Coras | 40c07ce | 2020-07-16 20:46:17 -0700 | [diff] [blame] | 3201 | vcl_worker_rpc_handler (wrk, e->data); |
| 3202 | break; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3203 | default: |
| 3204 | VDBG (0, "unhandled: %u", e->event_type); |
| 3205 | break; |
| 3206 | } |
| 3207 | |
| 3208 | if (add_event) |
| 3209 | { |
| 3210 | events[*num_ev].data.u64 = session_evt_data; |
| 3211 | if (EPOLLONESHOT & session_events) |
| 3212 | { |
Florin Coras | b242d31 | 2020-10-26 15:35:40 -0700 | [diff] [blame] | 3213 | s = vcl_session_get (wrk, sid); |
| 3214 | s->vep.ev.events = 0; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3215 | } |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3216 | else if (!(EPOLLET & session_events)) |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3217 | { |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3218 | s = vcl_session_get (wrk, sid); |
| 3219 | if (s->vep.lt_next == VCL_INVALID_SESSION_INDEX) |
| 3220 | vcl_epoll_lt_add (wrk, s); |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3221 | } |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3222 | *num_ev += 1; |
| 3223 | } |
| 3224 | } |
| 3225 | |
| 3226 | static int |
| 3227 | vcl_epoll_wait_handle_mq (vcl_worker_t * wrk, svm_msg_q_t * mq, |
| 3228 | struct epoll_event *events, u32 maxevents, |
| 3229 | double wait_for_time, u32 * num_ev) |
| 3230 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3231 | svm_msg_q_msg_t *msg; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3232 | session_event_t *e; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3233 | int i; |
| 3234 | |
Florin Coras | 539663c | 2018-09-28 14:59:37 -0700 | [diff] [blame] | 3235 | if (vec_len (wrk->mq_msg_vector) && svm_msg_q_is_empty (mq)) |
| 3236 | goto handle_dequeued; |
| 3237 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3238 | if (svm_msg_q_is_empty (mq)) |
| 3239 | { |
| 3240 | if (!wait_for_time) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 3241 | return 0; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3242 | else if (wait_for_time < 0) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 3243 | svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3244 | else |
| 3245 | { |
Florin Coras | 60f1fc1 | 2018-08-16 14:57:31 -0700 | [diff] [blame] | 3246 | if (svm_msg_q_timedwait (mq, wait_for_time / 1e3)) |
Florin Coras | 5398dfb | 2021-01-25 20:31:27 -0800 | [diff] [blame] | 3247 | return 0; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3248 | } |
| 3249 | } |
Florin Coras | e003a1b | 2019-06-05 10:47:16 -0700 | [diff] [blame] | 3250 | ASSERT (maxevents > *num_ev); |
hanlin | d0e646f | 2020-05-11 22:20:37 +0800 | [diff] [blame] | 3251 | vcl_mq_dequeue_batch (wrk, mq, ~0); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3252 | |
Florin Coras | 539663c | 2018-09-28 14:59:37 -0700 | [diff] [blame] | 3253 | handle_dequeued: |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3254 | for (i = 0; i < vec_len (wrk->mq_msg_vector); i++) |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3255 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3256 | msg = vec_elt_at_index (wrk->mq_msg_vector, i); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3257 | e = svm_msg_q_msg_data (mq, msg); |
hanlin | d0e646f | 2020-05-11 22:20:37 +0800 | [diff] [blame] | 3258 | if (*num_ev < maxevents) |
| 3259 | vcl_epoll_wait_handle_mq_event (wrk, e, events, num_ev); |
| 3260 | else |
| 3261 | vcl_handle_mq_event (wrk, e); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3262 | svm_msg_q_free_msg (mq, msg); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3263 | } |
Florin Coras | aa27eb9 | 2018-10-13 12:20:01 -0700 | [diff] [blame] | 3264 | vec_reset_length (wrk->mq_msg_vector); |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 3265 | vcl_handle_pending_wrk_updates (wrk); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3266 | return *num_ev; |
| 3267 | } |
| 3268 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3269 | static int |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3270 | vppcom_epoll_wait_condvar (vcl_worker_t *wrk, struct epoll_event *events, |
| 3271 | int maxevents, u32 n_evts, double timeout_ms) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3272 | { |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3273 | double end = -1; |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 3274 | |
| 3275 | if (!n_evts) |
| 3276 | { |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3277 | if (timeout_ms > 0) |
| 3278 | end = clib_time_now (&wrk->clib_time) + (timeout_ms / 1e3); |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 3279 | } |
| 3280 | |
| 3281 | do |
| 3282 | { |
| 3283 | vcl_epoll_wait_handle_mq (wrk, wrk->app_event_queue, events, maxevents, |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3284 | timeout_ms, &n_evts); |
| 3285 | if (n_evts || !timeout_ms) |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 3286 | return n_evts; |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 3287 | } |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3288 | while (end == -1 || clib_time_now (&wrk->clib_time) < end); |
Florin Coras | 14ed6df | 2019-03-06 21:13:42 -0800 | [diff] [blame] | 3289 | |
| 3290 | return 0; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3291 | } |
| 3292 | |
| 3293 | static int |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3294 | vppcom_epoll_wait_eventfd (vcl_worker_t *wrk, struct epoll_event *events, |
| 3295 | int maxevents, u32 n_evts, double timeout_ms) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3296 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3297 | int __clib_unused n_read; |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3298 | vcl_mq_evt_conn_t *mqc; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3299 | int n_mq_evts, i; |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3300 | double end = -1; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3301 | u64 buf; |
| 3302 | |
Filip Tehlar | 8ccc6b3 | 2022-02-02 17:38:20 +0000 | [diff] [blame] | 3303 | if (PREDICT_FALSE (wrk->api_client_handle == ~0)) |
| 3304 | { |
| 3305 | vcl_api_retry_attach (wrk); |
| 3306 | return n_evts; |
| 3307 | } |
| 3308 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3309 | vec_validate (wrk->mq_events, pool_elts (wrk->mq_evt_conns)); |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3310 | if (!n_evts) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3311 | { |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3312 | if (timeout_ms > 0) |
| 3313 | end = clib_time_now (&wrk->clib_time) + (timeout_ms / 1e3); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3314 | } |
| 3315 | |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3316 | do |
| 3317 | { |
| 3318 | n_mq_evts = epoll_wait (wrk->mqs_epfd, wrk->mq_events, |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3319 | vec_len (wrk->mq_events), timeout_ms); |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3320 | if (n_mq_evts < 0) |
| 3321 | { |
| 3322 | VDBG (0, "epoll_wait error %u", errno); |
| 3323 | return n_evts; |
| 3324 | } |
| 3325 | |
| 3326 | for (i = 0; i < n_mq_evts; i++) |
| 3327 | { |
Filip Tehlar | 8ccc6b3 | 2022-02-02 17:38:20 +0000 | [diff] [blame] | 3328 | if (PREDICT_FALSE (wrk->mq_events[i].data.u32 == ~0)) |
| 3329 | { |
| 3330 | /* api socket was closed */ |
| 3331 | vcl_api_handle_disconnect (wrk); |
| 3332 | continue; |
| 3333 | } |
| 3334 | |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3335 | mqc = vcl_mq_evt_conn_get (wrk, wrk->mq_events[i].data.u32); |
| 3336 | n_read = read (mqc->mq_fd, &buf, sizeof (buf)); |
| 3337 | vcl_epoll_wait_handle_mq (wrk, mqc->mq, events, maxevents, 0, |
| 3338 | &n_evts); |
| 3339 | } |
| 3340 | |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3341 | if (n_evts || !timeout_ms) |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3342 | return n_evts; |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3343 | } |
Florin Coras | ccdb8b8 | 2021-04-28 13:01:06 -0700 | [diff] [blame] | 3344 | while (end == -1 || clib_time_now (&wrk->clib_time) < end); |
Florin Coras | b13ba13 | 2021-01-27 16:05:24 -0800 | [diff] [blame] | 3345 | |
| 3346 | return 0; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3347 | } |
| 3348 | |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3349 | static void |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3350 | vcl_epoll_wait_handle_lt (vcl_worker_t *wrk, struct epoll_event *events, |
| 3351 | int maxevents, u32 *n_evts) |
| 3352 | { |
Florin Coras | 734268f | 2021-06-30 07:54:29 -0700 | [diff] [blame] | 3353 | u32 add_event = 0, next; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3354 | vcl_session_t *s; |
| 3355 | u64 evt_data; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3356 | int rv; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3357 | |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3358 | ASSERT (wrk->ep_lt_current != VCL_INVALID_SESSION_INDEX); |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3359 | if (*n_evts >= maxevents) |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3360 | return; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3361 | |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3362 | next = wrk->ep_lt_current; |
| 3363 | do |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3364 | { |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3365 | s = vcl_session_get (wrk, next); |
| 3366 | next = s->vep.lt_next; |
| 3367 | |
| 3368 | if ((s->vep.ev.events & EPOLLIN) && (rv = vcl_session_read_ready (s))) |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3369 | { |
| 3370 | add_event = 1; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3371 | events[*n_evts].events |= rv > 0 ? EPOLLIN : EPOLLHUP | EPOLLRDHUP; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3372 | evt_data = s->vep.ev.data.u64; |
| 3373 | } |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3374 | if ((s->vep.ev.events & EPOLLOUT) && (rv = vcl_session_write_ready (s))) |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3375 | { |
| 3376 | add_event = 1; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3377 | events[*n_evts].events |= rv > 0 ? EPOLLOUT : EPOLLHUP | EPOLLRDHUP; |
| 3378 | evt_data = s->vep.ev.data.u64; |
| 3379 | } |
| 3380 | if (!add_event && s->session_state > VCL_STATE_READY) |
| 3381 | { |
| 3382 | add_event = 1; |
| 3383 | events[*n_evts].events |= EPOLLHUP | EPOLLRDHUP; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3384 | evt_data = s->vep.ev.data.u64; |
| 3385 | } |
| 3386 | if (add_event) |
| 3387 | { |
| 3388 | events[*n_evts].data.u64 = evt_data; |
| 3389 | *n_evts += 1; |
| 3390 | add_event = 0; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3391 | if (EPOLLONESHOT & s->vep.ev.events) |
| 3392 | s->vep.ev.events = 0; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3393 | if (*n_evts == maxevents) |
| 3394 | { |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3395 | wrk->ep_lt_current = next; |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3396 | break; |
| 3397 | } |
| 3398 | } |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3399 | else |
| 3400 | { |
| 3401 | vcl_epoll_lt_del (wrk, s); |
| 3402 | if (wrk->ep_lt_current == VCL_INVALID_SESSION_INDEX) |
| 3403 | break; |
| 3404 | } |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3405 | } |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3406 | while (next != wrk->ep_lt_current); |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3407 | } |
| 3408 | |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3409 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3410 | vppcom_epoll_wait (uint32_t vep_handle, struct epoll_event *events, |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3411 | int maxevents, double wait_for_time) |
| 3412 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3413 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 3414 | vcl_session_t *vep_session; |
Florin Coras | fa3884f | 2021-06-22 20:04:46 -0700 | [diff] [blame] | 3415 | u32 n_evts = 0; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3416 | int i; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3417 | |
| 3418 | if (PREDICT_FALSE (maxevents <= 0)) |
| 3419 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3420 | VDBG (0, "ERROR: Invalid maxevents (%d)!", maxevents); |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3421 | return VPPCOM_EINVAL; |
| 3422 | } |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3423 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3424 | vep_session = vcl_session_get_w_handle (wrk, vep_handle); |
Florin Coras | 1459877 | 2018-09-04 19:47:52 -0700 | [diff] [blame] | 3425 | if (!vep_session) |
| 3426 | return VPPCOM_EBADFD; |
| 3427 | |
Florin Coras | 6c3b218 | 2020-10-19 18:36:48 -0700 | [diff] [blame] | 3428 | if (PREDICT_FALSE (!(vep_session->flags & VCL_SESSION_F_IS_VEP))) |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3429 | { |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3430 | VDBG (0, "ERROR: vep_idx (%u) is not a vep!", vep_handle); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3431 | return VPPCOM_EINVAL; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3432 | } |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3433 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3434 | if (vec_len (wrk->unhandled_evts_vector)) |
| 3435 | { |
| 3436 | for (i = 0; i < vec_len (wrk->unhandled_evts_vector); i++) |
| 3437 | { |
| 3438 | vcl_epoll_wait_handle_mq_event (wrk, &wrk->unhandled_evts_vector[i], |
| 3439 | events, &n_evts); |
| 3440 | if (n_evts == maxevents) |
| 3441 | { |
Florin Coras | e003a1b | 2019-06-05 10:47:16 -0700 | [diff] [blame] | 3442 | vec_delete (wrk->unhandled_evts_vector, i + 1, 0); |
| 3443 | return n_evts; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3444 | } |
| 3445 | } |
Florin Coras | e003a1b | 2019-06-05 10:47:16 -0700 | [diff] [blame] | 3446 | vec_reset_length (wrk->unhandled_evts_vector); |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3447 | } |
liuyacan | cba8710 | 2021-09-10 15:14:05 +0800 | [diff] [blame] | 3448 | |
| 3449 | if (PREDICT_FALSE (wrk->ep_lt_current != VCL_INVALID_SESSION_INDEX)) |
| 3450 | vcl_epoll_wait_handle_lt (wrk, events, maxevents, &n_evts); |
| 3451 | |
wanghanlin | 8919fec | 2021-03-18 20:00:41 +0800 | [diff] [blame] | 3452 | /* Request to only drain unhandled */ |
| 3453 | if ((int) wait_for_time == -2) |
| 3454 | return n_evts; |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3455 | |
Florin Coras | 86f0450 | 2018-09-12 16:08:01 -0700 | [diff] [blame] | 3456 | |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3457 | if (vcm->cfg.use_mq_eventfd) |
| 3458 | n_evts = vppcom_epoll_wait_eventfd (wrk, events, maxevents, n_evts, |
| 3459 | wait_for_time); |
| 3460 | else |
| 3461 | n_evts = vppcom_epoll_wait_condvar (wrk, events, maxevents, n_evts, |
| 3462 | wait_for_time); |
| 3463 | |
Florin Coras | fe286f7 | 2021-06-04 10:07:55 -0700 | [diff] [blame] | 3464 | return n_evts; |
Dave Wallace | f7f809c | 2017-10-03 01:48:42 -0400 | [diff] [blame] | 3465 | } |
| 3466 | |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3467 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3468 | vppcom_session_attr (uint32_t session_handle, uint32_t op, |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3469 | void *buffer, uint32_t * buflen) |
| 3470 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3471 | vcl_worker_t *wrk = vcl_worker_get_current (); |
liuyacan | 55c952e | 2021-06-13 14:54:55 +0800 | [diff] [blame] | 3472 | u32 *flags = buffer; |
Steven | 2199aab | 2017-10-15 20:18:47 -0700 | [diff] [blame] | 3473 | vppcom_endpt_t *ep = buffer; |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 3474 | transport_endpt_attr_t tea; |
Florin Coras | a5a9efd | 2021-01-05 17:03:29 -0800 | [diff] [blame] | 3475 | vcl_session_t *session; |
| 3476 | int rv = VPPCOM_OK; |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3477 | |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 3478 | session = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 3479 | if (!session) |
| 3480 | return VPPCOM_EBADFD; |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 3481 | |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3482 | switch (op) |
| 3483 | { |
| 3484 | case VPPCOM_ATTR_GET_NREAD: |
Florin Coras | 0ef8ef2 | 2019-01-18 08:37:13 -0800 | [diff] [blame] | 3485 | rv = vcl_session_read_ready (session); |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3486 | VDBG (2, "VPPCOM_ATTR_GET_NREAD: sh %u, nread = %d", session_handle, |
| 3487 | rv); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3488 | break; |
| 3489 | |
Dave Wallace | 227867f | 2017-11-13 21:21:53 -0500 | [diff] [blame] | 3490 | case VPPCOM_ATTR_GET_NWRITE: |
Florin Coras | 0ef8ef2 | 2019-01-18 08:37:13 -0800 | [diff] [blame] | 3491 | rv = vcl_session_write_ready (session); |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3492 | VDBG (2, "VPPCOM_ATTR_GET_NWRITE: sh %u, nwrite = %d", session_handle, |
| 3493 | rv); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3494 | break; |
| 3495 | |
| 3496 | case VPPCOM_ATTR_GET_FLAGS: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3497 | if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags)))) |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3498 | { |
Simon Zhang | 53ec967 | 2020-08-07 05:20:47 +0800 | [diff] [blame] | 3499 | *flags = |
| 3500 | O_RDWR | |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3501 | (vcl_session_has_attr (session, VCL_SESS_ATTR_NONBLOCK) ? |
Simon Zhang | 53ec967 | 2020-08-07 05:20:47 +0800 | [diff] [blame] | 3502 | O_NONBLOCK : 0); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3503 | *buflen = sizeof (*flags); |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3504 | VDBG (2, "VPPCOM_ATTR_GET_FLAGS: sh %u, flags = 0x%08x, " |
| 3505 | "is_nonblocking = %u", session_handle, *flags, |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3506 | vcl_session_has_attr (session, VCL_SESS_ATTR_NONBLOCK)); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3507 | } |
| 3508 | else |
| 3509 | rv = VPPCOM_EINVAL; |
| 3510 | break; |
| 3511 | |
| 3512 | case VPPCOM_ATTR_SET_FLAGS: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3513 | if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags)))) |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3514 | { |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 3515 | if (*flags & O_NONBLOCK) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3516 | vcl_session_set_attr (session, VCL_SESS_ATTR_NONBLOCK); |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 3517 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3518 | vcl_session_clear_attr (session, VCL_SESS_ATTR_NONBLOCK); |
Keith Burns (alagalah) | 9b79377 | 2018-02-16 08:20:56 -0800 | [diff] [blame] | 3519 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3520 | VDBG (2, "VPPCOM_ATTR_SET_FLAGS: sh %u, flags = 0x%08x," |
| 3521 | " is_nonblocking = %u", session_handle, *flags, |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3522 | vcl_session_has_attr (session, VCL_SESS_ATTR_NONBLOCK)); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3523 | } |
| 3524 | else |
| 3525 | rv = VPPCOM_EINVAL; |
| 3526 | break; |
| 3527 | |
| 3528 | case VPPCOM_ATTR_GET_PEER_ADDR: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3529 | if (PREDICT_TRUE (buffer && buflen && |
| 3530 | (*buflen >= sizeof (*ep)) && ep->ip)) |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3531 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 3532 | ep->is_ip4 = session->transport.is_ip4; |
| 3533 | ep->port = session->transport.rmt_port; |
| 3534 | if (session->transport.is_ip4) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 3535 | clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip4, |
| 3536 | sizeof (ip4_address_t)); |
Steven | 2199aab | 2017-10-15 20:18:47 -0700 | [diff] [blame] | 3537 | else |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 3538 | clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip6, |
| 3539 | sizeof (ip6_address_t)); |
Steven | 2199aab | 2017-10-15 20:18:47 -0700 | [diff] [blame] | 3540 | *buflen = sizeof (*ep); |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 3541 | VDBG (1, |
| 3542 | "VPPCOM_ATTR_GET_PEER_ADDR: sh %u, is_ip4 = %u, " |
| 3543 | "addr = %U, port %u", |
| 3544 | session_handle, ep->is_ip4, vcl_format_ip46_address, |
| 3545 | &session->transport.rmt_ip, |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 3546 | ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
| 3547 | clib_net_to_host_u16 (ep->port)); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3548 | } |
| 3549 | else |
| 3550 | rv = VPPCOM_EINVAL; |
| 3551 | break; |
| 3552 | |
| 3553 | case VPPCOM_ATTR_GET_LCL_ADDR: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3554 | if (PREDICT_TRUE (buffer && buflen && |
| 3555 | (*buflen >= sizeof (*ep)) && ep->ip)) |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3556 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 3557 | ep->is_ip4 = session->transport.is_ip4; |
| 3558 | ep->port = session->transport.lcl_port; |
| 3559 | if (session->transport.is_ip4) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 3560 | clib_memcpy_fast (ep->ip, &session->transport.lcl_ip.ip4, |
| 3561 | sizeof (ip4_address_t)); |
Steven | 2199aab | 2017-10-15 20:18:47 -0700 | [diff] [blame] | 3562 | else |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 3563 | clib_memcpy_fast (ep->ip, &session->transport.lcl_ip.ip6, |
| 3564 | sizeof (ip6_address_t)); |
Steven | 2199aab | 2017-10-15 20:18:47 -0700 | [diff] [blame] | 3565 | *buflen = sizeof (*ep); |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 3566 | VDBG (1, |
| 3567 | "VPPCOM_ATTR_GET_LCL_ADDR: sh %u, is_ip4 = %u, addr = %U" |
| 3568 | " port %d", |
| 3569 | session_handle, ep->is_ip4, vcl_format_ip46_address, |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 3570 | &session->transport.lcl_ip, |
Florin Coras | 0d427d8 | 2018-06-27 03:24:07 -0700 | [diff] [blame] | 3571 | ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
| 3572 | clib_net_to_host_u16 (ep->port)); |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 3573 | } |
| 3574 | else |
| 3575 | rv = VPPCOM_EINVAL; |
| 3576 | break; |
Steven | b5a1160 | 2017-10-11 09:59:30 -0700 | [diff] [blame] | 3577 | |
Florin Coras | ef7cbf6 | 2019-10-17 09:56:27 -0700 | [diff] [blame] | 3578 | case VPPCOM_ATTR_SET_LCL_ADDR: |
| 3579 | if (PREDICT_TRUE (buffer && buflen && |
| 3580 | (*buflen >= sizeof (*ep)) && ep->ip)) |
| 3581 | { |
| 3582 | session->transport.is_ip4 = ep->is_ip4; |
| 3583 | session->transport.lcl_port = ep->port; |
| 3584 | vcl_ip_copy_from_ep (&session->transport.lcl_ip, ep); |
| 3585 | *buflen = sizeof (*ep); |
Florin Coras | 6068719 | 2021-11-29 21:00:47 -0800 | [diff] [blame] | 3586 | VDBG (1, |
| 3587 | "VPPCOM_ATTR_SET_LCL_ADDR: sh %u, is_ip4 = %u, addr = %U" |
| 3588 | " port %d", |
| 3589 | session_handle, ep->is_ip4, vcl_format_ip46_address, |
Florin Coras | ef7cbf6 | 2019-10-17 09:56:27 -0700 | [diff] [blame] | 3590 | &session->transport.lcl_ip, |
| 3591 | ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, |
| 3592 | clib_net_to_host_u16 (ep->port)); |
| 3593 | } |
| 3594 | else |
| 3595 | rv = VPPCOM_EINVAL; |
| 3596 | break; |
| 3597 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3598 | case VPPCOM_ATTR_GET_LIBC_EPFD: |
| 3599 | rv = session->libc_epfd; |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3600 | VDBG (2, "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d", rv); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3601 | break; |
| 3602 | |
| 3603 | case VPPCOM_ATTR_SET_LIBC_EPFD: |
| 3604 | if (PREDICT_TRUE (buffer && buflen && |
| 3605 | (*buflen == sizeof (session->libc_epfd)))) |
| 3606 | { |
| 3607 | session->libc_epfd = *(int *) buffer; |
| 3608 | *buflen = sizeof (session->libc_epfd); |
| 3609 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3610 | VDBG (2, "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, buflen %d", |
| 3611 | session->libc_epfd, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3612 | } |
| 3613 | else |
| 3614 | rv = VPPCOM_EINVAL; |
| 3615 | break; |
| 3616 | |
| 3617 | case VPPCOM_ATTR_GET_PROTOCOL: |
| 3618 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3619 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 3620 | *(int *) buffer = session->session_type; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3621 | *buflen = sizeof (int); |
| 3622 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3623 | VDBG (2, "VPPCOM_ATTR_GET_PROTOCOL: %d (%s), buflen %d", |
| 3624 | *(int *) buffer, *(int *) buffer ? "UDP" : "TCP", *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3625 | } |
| 3626 | else |
| 3627 | rv = VPPCOM_EINVAL; |
| 3628 | break; |
| 3629 | |
| 3630 | case VPPCOM_ATTR_GET_LISTEN: |
| 3631 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3632 | { |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3633 | *(int *) buffer = vcl_session_has_attr (session, |
| 3634 | VCL_SESS_ATTR_LISTEN); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3635 | *buflen = sizeof (int); |
| 3636 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3637 | VDBG (2, "VPPCOM_ATTR_GET_LISTEN: %d, buflen %d", *(int *) buffer, |
| 3638 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3639 | } |
| 3640 | else |
| 3641 | rv = VPPCOM_EINVAL; |
| 3642 | break; |
| 3643 | |
| 3644 | case VPPCOM_ATTR_GET_ERROR: |
| 3645 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3646 | { |
| 3647 | *(int *) buffer = 0; |
| 3648 | *buflen = sizeof (int); |
| 3649 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3650 | VDBG (2, "VPPCOM_ATTR_GET_ERROR: %d, buflen %d, #VPP-TBD#", |
| 3651 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3652 | } |
| 3653 | else |
| 3654 | rv = VPPCOM_EINVAL; |
| 3655 | break; |
| 3656 | |
| 3657 | case VPPCOM_ATTR_GET_TX_FIFO_LEN: |
| 3658 | if (buffer && buflen && (*buflen >= sizeof (u32))) |
| 3659 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3660 | |
| 3661 | /* VPP-TBD */ |
| 3662 | *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size : |
Florin Coras | f22f4e5 | 2019-12-19 16:10:58 -0800 | [diff] [blame] | 3663 | session->tx_fifo ? |
| 3664 | svm_fifo_size (session->tx_fifo) : |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3665 | vcm->cfg.tx_fifo_size); |
| 3666 | *buflen = sizeof (u32); |
| 3667 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3668 | VDBG (2, "VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), buflen %d," |
| 3669 | " #VPP-TBD#", *(size_t *) buffer, *(size_t *) buffer, |
| 3670 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3671 | } |
| 3672 | else |
| 3673 | rv = VPPCOM_EINVAL; |
| 3674 | break; |
| 3675 | |
Filip Tehlar | 2f09bfc | 2021-11-15 10:26:56 +0000 | [diff] [blame] | 3676 | case VPPCOM_ATTR_SET_DSCP: |
| 3677 | if (buffer && buflen && (*buflen >= sizeof (u8))) |
| 3678 | { |
| 3679 | session->dscp = *(u8 *) buffer; |
| 3680 | |
| 3681 | VDBG (2, "VPPCOM_ATTR_SET_DSCP: %u (0x%x), buflen %d,", |
| 3682 | *(u8 *) buffer, *(u8 *) buffer, *buflen); |
| 3683 | } |
| 3684 | else |
| 3685 | rv = VPPCOM_EINVAL; |
| 3686 | break; |
| 3687 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3688 | case VPPCOM_ATTR_SET_TX_FIFO_LEN: |
| 3689 | if (buffer && buflen && (*buflen == sizeof (u32))) |
| 3690 | { |
| 3691 | /* VPP-TBD */ |
| 3692 | session->sndbuf_size = *(u32 *) buffer; |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3693 | VDBG (2, "VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), buflen %d," |
| 3694 | " #VPP-TBD#", session->sndbuf_size, session->sndbuf_size, |
| 3695 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3696 | } |
| 3697 | else |
| 3698 | rv = VPPCOM_EINVAL; |
| 3699 | break; |
| 3700 | |
| 3701 | case VPPCOM_ATTR_GET_RX_FIFO_LEN: |
| 3702 | if (buffer && buflen && (*buflen >= sizeof (u32))) |
| 3703 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3704 | |
| 3705 | /* VPP-TBD */ |
| 3706 | *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size : |
Florin Coras | f22f4e5 | 2019-12-19 16:10:58 -0800 | [diff] [blame] | 3707 | session->rx_fifo ? |
| 3708 | svm_fifo_size (session->rx_fifo) : |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3709 | vcm->cfg.rx_fifo_size); |
| 3710 | *buflen = sizeof (u32); |
| 3711 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3712 | VDBG (2, "VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), buflen %d, " |
| 3713 | "#VPP-TBD#", *(size_t *) buffer, *(size_t *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3714 | } |
| 3715 | else |
| 3716 | rv = VPPCOM_EINVAL; |
| 3717 | break; |
| 3718 | |
| 3719 | case VPPCOM_ATTR_SET_RX_FIFO_LEN: |
| 3720 | if (buffer && buflen && (*buflen == sizeof (u32))) |
| 3721 | { |
| 3722 | /* VPP-TBD */ |
| 3723 | session->rcvbuf_size = *(u32 *) buffer; |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3724 | VDBG (2, "VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), buflen %d," |
| 3725 | " #VPP-TBD#", session->sndbuf_size, session->sndbuf_size, |
| 3726 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3727 | } |
| 3728 | else |
| 3729 | rv = VPPCOM_EINVAL; |
| 3730 | break; |
| 3731 | |
| 3732 | case VPPCOM_ATTR_GET_REUSEADDR: |
| 3733 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3734 | { |
| 3735 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3736 | *(int *) buffer = vcl_session_has_attr (session, |
| 3737 | VCL_SESS_ATTR_REUSEADDR); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3738 | *buflen = sizeof (int); |
| 3739 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3740 | VDBG (2, "VPPCOM_ATTR_GET_REUSEADDR: %d, buflen %d, #VPP-TBD#", |
| 3741 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3742 | } |
| 3743 | else |
| 3744 | rv = VPPCOM_EINVAL; |
| 3745 | break; |
| 3746 | |
Steven | b5a1160 | 2017-10-11 09:59:30 -0700 | [diff] [blame] | 3747 | case VPPCOM_ATTR_SET_REUSEADDR: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3748 | if (buffer && buflen && (*buflen == sizeof (int)) && |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3749 | !vcl_session_has_attr (session, VCL_SESS_ATTR_LISTEN)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3750 | { |
| 3751 | /* VPP-TBD */ |
| 3752 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3753 | vcl_session_set_attr (session, VCL_SESS_ATTR_REUSEADDR); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3754 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3755 | vcl_session_clear_attr (session, VCL_SESS_ATTR_REUSEADDR); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3756 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3757 | VDBG (2, "VPPCOM_ATTR_SET_REUSEADDR: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3758 | vcl_session_has_attr (session, VCL_SESS_ATTR_REUSEADDR), |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3759 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3760 | } |
| 3761 | else |
| 3762 | rv = VPPCOM_EINVAL; |
| 3763 | break; |
| 3764 | |
| 3765 | case VPPCOM_ATTR_GET_REUSEPORT: |
| 3766 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3767 | { |
| 3768 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3769 | *(int *) buffer = vcl_session_has_attr (session, |
| 3770 | VCL_SESS_ATTR_REUSEPORT); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3771 | *buflen = sizeof (int); |
| 3772 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3773 | VDBG (2, "VPPCOM_ATTR_GET_REUSEPORT: %d, buflen %d, #VPP-TBD#", |
| 3774 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3775 | } |
| 3776 | else |
| 3777 | rv = VPPCOM_EINVAL; |
| 3778 | break; |
| 3779 | |
| 3780 | case VPPCOM_ATTR_SET_REUSEPORT: |
| 3781 | if (buffer && buflen && (*buflen == sizeof (int)) && |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3782 | !vcl_session_has_attr (session, VCL_SESS_ATTR_LISTEN)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3783 | { |
| 3784 | /* VPP-TBD */ |
| 3785 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3786 | vcl_session_set_attr (session, VCL_SESS_ATTR_REUSEPORT); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3787 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3788 | vcl_session_clear_attr (session, VCL_SESS_ATTR_REUSEPORT); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3789 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3790 | VDBG (2, "VPPCOM_ATTR_SET_REUSEPORT: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3791 | vcl_session_has_attr (session, VCL_SESS_ATTR_REUSEPORT), |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3792 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3793 | } |
| 3794 | else |
| 3795 | rv = VPPCOM_EINVAL; |
| 3796 | break; |
| 3797 | |
| 3798 | case VPPCOM_ATTR_GET_BROADCAST: |
| 3799 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3800 | { |
| 3801 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3802 | *(int *) buffer = vcl_session_has_attr (session, |
| 3803 | VCL_SESS_ATTR_BROADCAST); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3804 | *buflen = sizeof (int); |
| 3805 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3806 | VDBG (2, "VPPCOM_ATTR_GET_BROADCAST: %d, buflen %d, #VPP-TBD#", |
| 3807 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3808 | } |
| 3809 | else |
| 3810 | rv = VPPCOM_EINVAL; |
Steven | b5a1160 | 2017-10-11 09:59:30 -0700 | [diff] [blame] | 3811 | break; |
| 3812 | |
| 3813 | case VPPCOM_ATTR_SET_BROADCAST: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3814 | if (buffer && buflen && (*buflen == sizeof (int))) |
| 3815 | { |
| 3816 | /* VPP-TBD */ |
| 3817 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3818 | vcl_session_set_attr (session, VCL_SESS_ATTR_BROADCAST); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3819 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3820 | vcl_session_clear_attr (session, VCL_SESS_ATTR_BROADCAST); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3821 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3822 | VDBG (2, "VPPCOM_ATTR_SET_BROADCAST: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3823 | vcl_session_has_attr (session, VCL_SESS_ATTR_BROADCAST), |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3824 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3825 | } |
| 3826 | else |
| 3827 | rv = VPPCOM_EINVAL; |
| 3828 | break; |
| 3829 | |
| 3830 | case VPPCOM_ATTR_GET_V6ONLY: |
| 3831 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3832 | { |
| 3833 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3834 | *(int *) buffer = vcl_session_has_attr (session, |
| 3835 | VCL_SESS_ATTR_V6ONLY); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3836 | *buflen = sizeof (int); |
| 3837 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3838 | VDBG (2, "VPPCOM_ATTR_GET_V6ONLY: %d, buflen %d, #VPP-TBD#", |
| 3839 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3840 | } |
| 3841 | else |
| 3842 | rv = VPPCOM_EINVAL; |
Steven | b5a1160 | 2017-10-11 09:59:30 -0700 | [diff] [blame] | 3843 | break; |
| 3844 | |
| 3845 | case VPPCOM_ATTR_SET_V6ONLY: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3846 | if (buffer && buflen && (*buflen == sizeof (int))) |
| 3847 | { |
| 3848 | /* VPP-TBD */ |
| 3849 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3850 | vcl_session_set_attr (session, VCL_SESS_ATTR_V6ONLY); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3851 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3852 | vcl_session_clear_attr (session, VCL_SESS_ATTR_V6ONLY); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3853 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3854 | VDBG (2, "VPPCOM_ATTR_SET_V6ONLY: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3855 | vcl_session_has_attr (session, VCL_SESS_ATTR_V6ONLY), |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3856 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3857 | } |
| 3858 | else |
| 3859 | rv = VPPCOM_EINVAL; |
| 3860 | break; |
| 3861 | |
| 3862 | case VPPCOM_ATTR_GET_KEEPALIVE: |
| 3863 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3864 | { |
| 3865 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3866 | *(int *) buffer = vcl_session_has_attr (session, |
| 3867 | VCL_SESS_ATTR_KEEPALIVE); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3868 | *buflen = sizeof (int); |
| 3869 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3870 | VDBG (2, "VPPCOM_ATTR_GET_KEEPALIVE: %d, buflen %d, #VPP-TBD#", |
| 3871 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3872 | } |
| 3873 | else |
| 3874 | rv = VPPCOM_EINVAL; |
Steven | b5a1160 | 2017-10-11 09:59:30 -0700 | [diff] [blame] | 3875 | break; |
Steven | bccd339 | 2017-10-12 20:42:21 -0700 | [diff] [blame] | 3876 | |
| 3877 | case VPPCOM_ATTR_SET_KEEPALIVE: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3878 | if (buffer && buflen && (*buflen == sizeof (int))) |
| 3879 | { |
| 3880 | /* VPP-TBD */ |
| 3881 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3882 | vcl_session_set_attr (session, VCL_SESS_ATTR_KEEPALIVE); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3883 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3884 | vcl_session_clear_attr (session, VCL_SESS_ATTR_KEEPALIVE); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3885 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3886 | VDBG (2, "VPPCOM_ATTR_SET_KEEPALIVE: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3887 | vcl_session_has_attr (session, VCL_SESS_ATTR_KEEPALIVE), |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3888 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3889 | } |
| 3890 | else |
| 3891 | rv = VPPCOM_EINVAL; |
| 3892 | break; |
| 3893 | |
| 3894 | case VPPCOM_ATTR_GET_TCP_NODELAY: |
| 3895 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3896 | { |
| 3897 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3898 | *(int *) buffer = vcl_session_has_attr (session, |
| 3899 | VCL_SESS_ATTR_TCP_NODELAY); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3900 | *buflen = sizeof (int); |
| 3901 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3902 | VDBG (2, "VPPCOM_ATTR_GET_TCP_NODELAY: %d, buflen %d, #VPP-TBD#", |
| 3903 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3904 | } |
| 3905 | else |
| 3906 | rv = VPPCOM_EINVAL; |
| 3907 | break; |
| 3908 | |
| 3909 | case VPPCOM_ATTR_SET_TCP_NODELAY: |
| 3910 | if (buffer && buflen && (*buflen == sizeof (int))) |
| 3911 | { |
| 3912 | /* VPP-TBD */ |
| 3913 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3914 | vcl_session_set_attr (session, VCL_SESS_ATTR_TCP_NODELAY); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3915 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3916 | vcl_session_clear_attr (session, VCL_SESS_ATTR_TCP_NODELAY); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3917 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3918 | VDBG (2, "VPPCOM_ATTR_SET_TCP_NODELAY: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3919 | vcl_session_has_attr (session, VCL_SESS_ATTR_TCP_NODELAY), |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3920 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3921 | } |
| 3922 | else |
| 3923 | rv = VPPCOM_EINVAL; |
| 3924 | break; |
| 3925 | |
| 3926 | case VPPCOM_ATTR_GET_TCP_KEEPIDLE: |
| 3927 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3928 | { |
| 3929 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3930 | *(int *) buffer = vcl_session_has_attr (session, |
| 3931 | VCL_SESS_ATTR_TCP_KEEPIDLE); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3932 | *buflen = sizeof (int); |
| 3933 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3934 | VDBG (2, "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, buflen %d, #VPP-TBD#", |
| 3935 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3936 | } |
| 3937 | else |
| 3938 | rv = VPPCOM_EINVAL; |
Steven | bccd339 | 2017-10-12 20:42:21 -0700 | [diff] [blame] | 3939 | break; |
| 3940 | |
| 3941 | case VPPCOM_ATTR_SET_TCP_KEEPIDLE: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3942 | if (buffer && buflen && (*buflen == sizeof (int))) |
| 3943 | { |
| 3944 | /* VPP-TBD */ |
| 3945 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3946 | vcl_session_set_attr (session, VCL_SESS_ATTR_TCP_KEEPIDLE); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3947 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3948 | vcl_session_clear_attr (session, VCL_SESS_ATTR_TCP_KEEPIDLE); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3949 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3950 | VDBG (2, "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3951 | vcl_session_has_attr (session, |
| 3952 | VCL_SESS_ATTR_TCP_KEEPIDLE), *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3953 | } |
| 3954 | else |
| 3955 | rv = VPPCOM_EINVAL; |
| 3956 | break; |
| 3957 | |
| 3958 | case VPPCOM_ATTR_GET_TCP_KEEPINTVL: |
| 3959 | if (buffer && buflen && (*buflen >= sizeof (int))) |
| 3960 | { |
| 3961 | /* VPP-TBD */ |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3962 | *(int *) buffer = vcl_session_has_attr (session, |
| 3963 | VCL_SESS_ATTR_TCP_KEEPINTVL); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3964 | *buflen = sizeof (int); |
| 3965 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3966 | VDBG (2, "VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, buflen %d, #VPP-TBD#", |
| 3967 | *(int *) buffer, *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3968 | } |
| 3969 | else |
| 3970 | rv = VPPCOM_EINVAL; |
Steven | bccd339 | 2017-10-12 20:42:21 -0700 | [diff] [blame] | 3971 | break; |
| 3972 | |
| 3973 | case VPPCOM_ATTR_SET_TCP_KEEPINTVL: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3974 | if (buffer && buflen && (*buflen == sizeof (int))) |
| 3975 | { |
| 3976 | /* VPP-TBD */ |
| 3977 | if (*(int *) buffer) |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3978 | vcl_session_set_attr (session, VCL_SESS_ATTR_TCP_KEEPINTVL); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3979 | else |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3980 | vcl_session_clear_attr (session, VCL_SESS_ATTR_TCP_KEEPINTVL); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3981 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 3982 | VDBG (2, "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, buflen %d, #VPP-TBD#", |
Florin Coras | ac422d6 | 2020-10-19 20:51:36 -0700 | [diff] [blame] | 3983 | vcl_session_has_attr (session, |
| 3984 | VCL_SESS_ATTR_TCP_KEEPINTVL), *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3985 | } |
| 3986 | else |
| 3987 | rv = VPPCOM_EINVAL; |
| 3988 | break; |
| 3989 | |
| 3990 | case VPPCOM_ATTR_GET_TCP_USER_MSS: |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 3991 | if (!(buffer && buflen && (*buflen >= sizeof (u32)))) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3992 | { |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 3993 | rv = VPPCOM_EINVAL; |
| 3994 | break; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3995 | } |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 3996 | |
| 3997 | tea.type = TRANSPORT_ENDPT_ATTR_MSS; |
| 3998 | tea.mss = *(u32 *) buffer; |
| 3999 | if (vcl_session_transport_attr (wrk, session, 1 /* is_get */, &tea)) |
| 4000 | rv = VPPCOM_ENOPROTOOPT; |
| 4001 | |
| 4002 | if (!rv) |
| 4003 | { |
| 4004 | *(u32 *) buffer = tea.mss; |
| 4005 | *buflen = sizeof (int); |
| 4006 | } |
| 4007 | |
| 4008 | VDBG (2, "VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d", *(int *) buffer, |
| 4009 | *buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4010 | break; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4011 | case VPPCOM_ATTR_SET_TCP_USER_MSS: |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 4012 | if (!(buffer && buflen && (*buflen == sizeof (u32)))) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4013 | { |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 4014 | rv = VPPCOM_EINVAL; |
| 4015 | break; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4016 | } |
Florin Coras | 04ae827 | 2021-04-12 19:55:37 -0700 | [diff] [blame] | 4017 | |
| 4018 | tea.type = TRANSPORT_ENDPT_ATTR_MSS; |
| 4019 | tea.mss = *(u32 *) buffer; |
| 4020 | if (vcl_session_transport_attr (wrk, session, 0 /* is_get */, &tea)) |
| 4021 | rv = VPPCOM_ENOPROTOOPT; |
| 4022 | |
| 4023 | VDBG (2, "VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d", tea.mss, |
| 4024 | *buflen); |
Steven | bccd339 | 2017-10-12 20:42:21 -0700 | [diff] [blame] | 4025 | break; |
Dave Wallace | e22aa74 | 2017-10-20 12:30:38 -0400 | [diff] [blame] | 4026 | |
Florin Coras | 1e96617 | 2020-05-16 18:18:14 +0000 | [diff] [blame] | 4027 | case VPPCOM_ATTR_SET_CONNECTED: |
| 4028 | session->flags |= VCL_SESSION_F_CONNECTED; |
| 4029 | break; |
| 4030 | |
Florin Coras | a5a9efd | 2021-01-05 17:03:29 -0800 | [diff] [blame] | 4031 | case VPPCOM_ATTR_SET_CKPAIR: |
| 4032 | if (!(buffer && buflen && (*buflen == sizeof (int))) || |
| 4033 | !vcl_session_has_crypto (session)) |
| 4034 | { |
| 4035 | rv = VPPCOM_EINVAL; |
| 4036 | break; |
| 4037 | } |
Florin Coras | a54b62d | 2021-04-21 09:05:56 -0700 | [diff] [blame] | 4038 | if (!session->ext_config) |
| 4039 | { |
Florin Coras | 87f6389 | 2021-05-01 16:01:40 -0700 | [diff] [blame] | 4040 | vcl_session_alloc_ext_cfg (session, TRANSPORT_ENDPT_EXT_CFG_CRYPTO, |
| 4041 | sizeof (transport_endpt_ext_cfg_t)); |
Florin Coras | a54b62d | 2021-04-21 09:05:56 -0700 | [diff] [blame] | 4042 | } |
| 4043 | else if (session->ext_config->type != TRANSPORT_ENDPT_EXT_CFG_CRYPTO) |
| 4044 | { |
| 4045 | rv = VPPCOM_EINVAL; |
| 4046 | break; |
| 4047 | } |
| 4048 | |
| 4049 | session->ext_config->crypto.ckpair_index = *(uint32_t *) buffer; |
Florin Coras | a5a9efd | 2021-01-05 17:03:29 -0800 | [diff] [blame] | 4050 | break; |
| 4051 | |
Florin Coras | 6a6555a | 2021-01-28 11:39:27 -0800 | [diff] [blame] | 4052 | case VPPCOM_ATTR_SET_VRF: |
| 4053 | if (!(buffer && buflen && (*buflen == sizeof (u32)))) |
| 4054 | { |
| 4055 | rv = VPPCOM_EINVAL; |
| 4056 | break; |
| 4057 | } |
| 4058 | session->vrf = *(u32 *) buffer; |
| 4059 | break; |
| 4060 | |
| 4061 | case VPPCOM_ATTR_GET_VRF: |
| 4062 | if (!(buffer && buflen && (*buflen >= sizeof (u32)))) |
| 4063 | { |
| 4064 | rv = VPPCOM_EINVAL; |
| 4065 | break; |
| 4066 | } |
| 4067 | *(u32 *) buffer = session->vrf; |
| 4068 | *buflen = sizeof (u32); |
| 4069 | break; |
| 4070 | |
wanghanlin | 0674f85 | 2021-02-22 10:38:36 +0800 | [diff] [blame] | 4071 | case VPPCOM_ATTR_GET_DOMAIN: |
Florin Coras | d77325c | 2021-02-23 12:03:03 -0800 | [diff] [blame] | 4072 | if (!(buffer && buflen && (*buflen >= sizeof (int)))) |
wanghanlin | 0674f85 | 2021-02-22 10:38:36 +0800 | [diff] [blame] | 4073 | { |
Florin Coras | d77325c | 2021-02-23 12:03:03 -0800 | [diff] [blame] | 4074 | rv = VPPCOM_EINVAL; |
| 4075 | break; |
wanghanlin | 0674f85 | 2021-02-22 10:38:36 +0800 | [diff] [blame] | 4076 | } |
Florin Coras | d77325c | 2021-02-23 12:03:03 -0800 | [diff] [blame] | 4077 | |
| 4078 | if (session->transport.is_ip4) |
| 4079 | *(int *) buffer = AF_INET; |
wanghanlin | 0674f85 | 2021-02-22 10:38:36 +0800 | [diff] [blame] | 4080 | else |
Florin Coras | d77325c | 2021-02-23 12:03:03 -0800 | [diff] [blame] | 4081 | *(int *) buffer = AF_INET6; |
| 4082 | *buflen = sizeof (int); |
| 4083 | |
wanghanlin | 0674f85 | 2021-02-22 10:38:36 +0800 | [diff] [blame] | 4084 | VDBG (2, "VPPCOM_ATTR_GET_DOMAIN: %d, buflen %u", *(int *) buffer, |
| 4085 | *buflen); |
| 4086 | break; |
| 4087 | |
Florin Coras | 87f6389 | 2021-05-01 16:01:40 -0700 | [diff] [blame] | 4088 | case VPPCOM_ATTR_SET_ENDPT_EXT_CFG: |
| 4089 | if (!(buffer && buflen && (*buflen > 0))) |
| 4090 | { |
| 4091 | rv = VPPCOM_EINVAL; |
| 4092 | break; |
| 4093 | } |
| 4094 | if (session->ext_config) |
| 4095 | { |
| 4096 | rv = VPPCOM_EINVAL; |
| 4097 | break; |
| 4098 | } |
| 4099 | vcl_session_alloc_ext_cfg (session, TRANSPORT_ENDPT_EXT_CFG_NONE, |
| 4100 | *buflen + sizeof (u32)); |
| 4101 | clib_memcpy (session->ext_config->data, buffer, *buflen); |
| 4102 | session->ext_config->len = *buflen; |
| 4103 | break; |
| 4104 | |
Dave Wallace | e22aa74 | 2017-10-20 12:30:38 -0400 | [diff] [blame] | 4105 | default: |
| 4106 | rv = VPPCOM_EINVAL; |
| 4107 | break; |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 4108 | } |
| 4109 | |
Dave Wallace | 35830af | 2017-10-09 01:43:42 -0400 | [diff] [blame] | 4110 | return rv; |
| 4111 | } |
| 4112 | |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4113 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4114 | vppcom_session_recvfrom (uint32_t session_handle, void *buffer, |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4115 | uint32_t buflen, int flags, vppcom_endpt_t * ep) |
| 4116 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4117 | vcl_worker_t *wrk = vcl_worker_get_current (); |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4118 | vcl_session_t *session; |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4119 | int rv = VPPCOM_OK; |
Steven | 58f464e | 2017-10-25 12:33:12 -0700 | [diff] [blame] | 4120 | |
| 4121 | if (flags == 0) |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4122 | rv = vppcom_session_read (session_handle, buffer, buflen); |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4123 | else if (flags & MSG_PEEK) |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4124 | rv = vppcom_session_peek (session_handle, buffer, buflen); |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4125 | else |
| 4126 | { |
Florin Coras | a7a1a22 | 2018-12-30 17:11:31 -0800 | [diff] [blame] | 4127 | VDBG (0, "Unsupport flags for recvfrom %d", flags); |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 4128 | return VPPCOM_EAFNOSUPPORT; |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4129 | } |
| 4130 | |
Florin Coras | 0a1e183 | 2020-03-29 18:54:04 +0000 | [diff] [blame] | 4131 | if (ep && rv > 0) |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 4132 | { |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4133 | session = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 4134 | if (session->transport.is_ip4) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 4135 | clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip4, |
| 4136 | sizeof (ip4_address_t)); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 4137 | else |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 4138 | clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip6, |
| 4139 | sizeof (ip6_address_t)); |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4140 | ep->is_ip4 = session->transport.is_ip4; |
| 4141 | ep->port = session->transport.rmt_port; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 4142 | } |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 4143 | |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4144 | return rv; |
| 4145 | } |
| 4146 | |
| 4147 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4148 | vppcom_session_sendto (uint32_t session_handle, void *buffer, |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4149 | uint32_t buflen, int flags, vppcom_endpt_t * ep) |
| 4150 | { |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 4151 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4152 | vcl_session_t *s; |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 4153 | u16 gso_size = 0; |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 4154 | |
| 4155 | s = vcl_session_get_w_handle (wrk, session_handle); |
Florin Coras | 0b0d28e | 2021-06-04 17:31:53 -0700 | [diff] [blame] | 4156 | if (PREDICT_FALSE (!s)) |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 4157 | return VPPCOM_EBADFD; |
| 4158 | |
Dave Wallace | 617dffa | 2017-10-26 14:47:06 -0400 | [diff] [blame] | 4159 | if (ep) |
| 4160 | { |
Florin Coras | 5824cc5 | 2020-10-20 18:44:41 -0700 | [diff] [blame] | 4161 | if (!vcl_session_is_cl (s)) |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4162 | return VPPCOM_EINVAL; |
| 4163 | |
liuyacan | bc0c754 | 2021-08-02 20:15:05 +0800 | [diff] [blame] | 4164 | s->transport.is_ip4 = ep->is_ip4; |
| 4165 | s->transport.rmt_port = ep->port; |
| 4166 | vcl_ip_copy_from_ep (&s->transport.rmt_ip, ep); |
| 4167 | |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 4168 | vppcom_endpt_tlv_t *p_app_data = &ep->app_data; |
| 4169 | |
| 4170 | if (p_app_data && (p_app_data->data_type == VCL_UDP_SEGMENT)) |
| 4171 | { |
| 4172 | gso_size = p_app_data->value; |
| 4173 | } |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4174 | /* Session not connected/bound in vpp. Create it by 'connecting' it */ |
Florin Coras | c127d5a | 2020-10-14 16:35:58 -0700 | [diff] [blame] | 4175 | if (PREDICT_FALSE (s->session_state == VCL_STATE_CLOSED)) |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4176 | { |
Florin Coras | 5824cc5 | 2020-10-20 18:44:41 -0700 | [diff] [blame] | 4177 | u32 session_index = s->session_index; |
| 4178 | f64 timeout = vcm->cfg.session_timeout; |
| 4179 | int rv; |
| 4180 | |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4181 | vcl_send_session_connect (wrk, s); |
Florin Coras | 5824cc5 | 2020-10-20 18:44:41 -0700 | [diff] [blame] | 4182 | rv = vppcom_wait_for_session_state_change (session_index, |
| 4183 | VCL_STATE_READY, |
| 4184 | timeout); |
| 4185 | if (rv < 0) |
| 4186 | return rv; |
| 4187 | s = vcl_session_get (wrk, session_index); |
Florin Coras | 5da10c4 | 2020-04-01 04:31:21 +0000 | [diff] [blame] | 4188 | } |
Dave Wallace | 617dffa | 2017-10-26 14:47:06 -0400 | [diff] [blame] | 4189 | } |
| 4190 | |
| 4191 | if (flags) |
| 4192 | { |
| 4193 | // TBD check the flags and do the right thing |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 4194 | VDBG (2, "handling flags 0x%u (%d) not implemented yet.", flags, flags); |
Dave Wallace | 617dffa | 2017-10-26 14:47:06 -0400 | [diff] [blame] | 4195 | } |
| 4196 | |
Dou Chao | 243a043 | 2022-11-29 19:41:34 +0800 | [diff] [blame] | 4197 | return (vppcom_session_write_inline (wrk, s, buffer, buflen, gso_size, 1, |
Florin Coras | 7a2abce | 2020-04-05 19:25:44 +0000 | [diff] [blame] | 4198 | s->is_dgram ? 1 : 0)); |
Steven | ac1f96d | 2017-10-24 16:03:58 -0700 | [diff] [blame] | 4199 | } |
| 4200 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4201 | int |
| 4202 | vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time) |
| 4203 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4204 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4205 | f64 timeout = clib_time_now (&wrk->clib_time) + wait_for_time; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4206 | u32 i, keep_trying = 1; |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4207 | svm_msg_q_msg_t msg; |
| 4208 | session_event_t *e; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4209 | int rv, num_ev = 0; |
| 4210 | |
Florin Coras | 5e06257 | 2019-03-14 19:07:51 -0700 | [diff] [blame] | 4211 | VDBG (3, "vp %p, nsids %u, wait_for_time %f", vp, n_sids, wait_for_time); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4212 | |
| 4213 | if (!vp) |
| 4214 | return VPPCOM_EFAULT; |
| 4215 | |
| 4216 | do |
| 4217 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 4218 | vcl_session_t *session; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4219 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4220 | /* Dequeue all events and drop all unhandled io events */ |
| 4221 | while (svm_msg_q_sub (wrk->app_event_queue, &msg, SVM_Q_NOWAIT, 0) == 0) |
| 4222 | { |
| 4223 | e = svm_msg_q_msg_data (wrk->app_event_queue, &msg); |
| 4224 | vcl_handle_mq_event (wrk, e); |
| 4225 | svm_msg_q_free_msg (wrk->app_event_queue, &msg); |
| 4226 | } |
| 4227 | vec_reset_length (wrk->unhandled_evts_vector); |
| 4228 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4229 | for (i = 0; i < n_sids; i++) |
| 4230 | { |
Florin Coras | 7baeb71 | 2019-01-04 17:05:43 -0800 | [diff] [blame] | 4231 | session = vcl_session_get (wrk, vp[i].sh); |
Florin Coras | 070453d | 2018-08-24 17:04:27 -0700 | [diff] [blame] | 4232 | if (!session) |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4233 | { |
| 4234 | vp[i].revents = POLLHUP; |
| 4235 | num_ev++; |
| 4236 | continue; |
| 4237 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4238 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4239 | vp[i].revents = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4240 | |
| 4241 | if (POLLIN & vp[i].events) |
| 4242 | { |
Florin Coras | 0ef8ef2 | 2019-01-18 08:37:13 -0800 | [diff] [blame] | 4243 | rv = vcl_session_read_ready (session); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4244 | if (rv > 0) |
| 4245 | { |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4246 | vp[i].revents |= POLLIN; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4247 | num_ev++; |
| 4248 | } |
| 4249 | else if (rv < 0) |
| 4250 | { |
| 4251 | switch (rv) |
| 4252 | { |
| 4253 | case VPPCOM_ECONNRESET: |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4254 | vp[i].revents = POLLHUP; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4255 | break; |
| 4256 | |
| 4257 | default: |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4258 | vp[i].revents = POLLERR; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4259 | break; |
| 4260 | } |
| 4261 | num_ev++; |
| 4262 | } |
| 4263 | } |
| 4264 | |
| 4265 | if (POLLOUT & vp[i].events) |
| 4266 | { |
Florin Coras | 0ef8ef2 | 2019-01-18 08:37:13 -0800 | [diff] [blame] | 4267 | rv = vcl_session_write_ready (session); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4268 | if (rv > 0) |
| 4269 | { |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4270 | vp[i].revents |= POLLOUT; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4271 | num_ev++; |
| 4272 | } |
| 4273 | else if (rv < 0) |
| 4274 | { |
| 4275 | switch (rv) |
| 4276 | { |
| 4277 | case VPPCOM_ECONNRESET: |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4278 | vp[i].revents = POLLHUP; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4279 | break; |
| 4280 | |
| 4281 | default: |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4282 | vp[i].revents = POLLERR; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4283 | break; |
| 4284 | } |
| 4285 | num_ev++; |
| 4286 | } |
| 4287 | } |
| 4288 | |
Dave Wallace | 7e607a7 | 2018-06-18 18:41:32 -0400 | [diff] [blame] | 4289 | if (0) // Note "done:" label used by VCL_SESSION_LOCK_AND_GET() |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4290 | { |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 4291 | vp[i].revents = POLLNVAL; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4292 | num_ev++; |
| 4293 | } |
| 4294 | } |
| 4295 | if (wait_for_time != -1) |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4296 | keep_trying = (clib_time_now (&wrk->clib_time) <= timeout) ? 1 : 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4297 | } |
| 4298 | while ((num_ev == 0) && keep_trying); |
| 4299 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 4300 | return num_ev; |
| 4301 | } |
| 4302 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 4303 | int |
| 4304 | vppcom_mq_epoll_fd (void) |
| 4305 | { |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4306 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4307 | return wrk->mqs_epfd; |
| 4308 | } |
| 4309 | |
| 4310 | int |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 4311 | vppcom_session_index (vcl_session_handle_t session_handle) |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4312 | { |
| 4313 | return session_handle & 0xFFFFFF; |
| 4314 | } |
| 4315 | |
| 4316 | int |
Florin Coras | 30e79c2 | 2019-01-02 19:31:22 -0800 | [diff] [blame] | 4317 | vppcom_session_worker (vcl_session_handle_t session_handle) |
| 4318 | { |
| 4319 | return session_handle >> 24; |
| 4320 | } |
| 4321 | |
| 4322 | int |
Florin Coras | 134a996 | 2018-08-28 11:32:04 -0700 | [diff] [blame] | 4323 | vppcom_worker_register (void) |
| 4324 | { |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 4325 | if (!vcl_worker_alloc_and_init ()) |
| 4326 | return VPPCOM_EEXIST; |
| 4327 | |
Florin Coras | 47c40e2 | 2018-11-26 17:01:36 -0800 | [diff] [blame] | 4328 | if (vcl_worker_register_with_vpp ()) |
| 4329 | return VPPCOM_EEXIST; |
| 4330 | |
| 4331 | return VPPCOM_OK; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 4332 | } |
| 4333 | |
Florin Coras | 369db83 | 2019-07-08 12:34:45 -0700 | [diff] [blame] | 4334 | void |
| 4335 | vppcom_worker_unregister (void) |
| 4336 | { |
| 4337 | vcl_worker_cleanup (vcl_worker_get_current (), 1 /* notify vpp */ ); |
| 4338 | vcl_set_worker_index (~0); |
| 4339 | } |
| 4340 | |
Pivo | 6017ff0 | 2020-05-04 17:57:33 +0200 | [diff] [blame] | 4341 | void |
| 4342 | vppcom_worker_index_set (int index) |
| 4343 | { |
| 4344 | vcl_set_worker_index (index); |
| 4345 | } |
| 4346 | |
Florin Coras | dfe4cf4 | 2018-11-28 22:13:45 -0800 | [diff] [blame] | 4347 | int |
| 4348 | vppcom_worker_index (void) |
| 4349 | { |
| 4350 | return vcl_get_worker_index (); |
| 4351 | } |
| 4352 | |
Florin Coras | e0982e5 | 2019-01-25 13:19:56 -0800 | [diff] [blame] | 4353 | int |
| 4354 | vppcom_worker_mqs_epfd (void) |
| 4355 | { |
| 4356 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4357 | if (!vcm->cfg.use_mq_eventfd) |
| 4358 | return -1; |
| 4359 | return wrk->mqs_epfd; |
| 4360 | } |
| 4361 | |
Nathan Skrzypczak | 9fd9962 | 2019-05-16 14:38:44 +0200 | [diff] [blame] | 4362 | int |
| 4363 | vppcom_session_is_connectable_listener (uint32_t session_handle) |
| 4364 | { |
| 4365 | vcl_session_t *session; |
| 4366 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4367 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 4368 | if (!session) |
| 4369 | return VPPCOM_EBADFD; |
| 4370 | return vcl_session_is_connectable_listener (wrk, session); |
| 4371 | } |
| 4372 | |
| 4373 | int |
| 4374 | vppcom_session_listener (uint32_t session_handle) |
| 4375 | { |
| 4376 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4377 | vcl_session_t *listen_session, *session; |
| 4378 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 4379 | if (!session) |
| 4380 | return VPPCOM_EBADFD; |
| 4381 | if (session->listener_index == VCL_INVALID_SESSION_INDEX) |
| 4382 | return VPPCOM_EBADFD; |
| 4383 | listen_session = vcl_session_get_w_handle (wrk, session->listener_index); |
| 4384 | if (!listen_session) |
| 4385 | return VPPCOM_EBADFD; |
| 4386 | return vcl_session_handle (listen_session); |
| 4387 | } |
| 4388 | |
| 4389 | int |
| 4390 | vppcom_session_n_accepted (uint32_t session_handle) |
| 4391 | { |
| 4392 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4393 | vcl_session_t *session = vcl_session_get_w_handle (wrk, session_handle); |
| 4394 | if (!session) |
| 4395 | return VPPCOM_EBADFD; |
| 4396 | return session->n_accepted_sessions; |
| 4397 | } |
| 4398 | |
Florin Coras | 66ec467 | 2020-06-15 07:59:40 -0700 | [diff] [blame] | 4399 | const char * |
| 4400 | vppcom_proto_str (vppcom_proto_t proto) |
| 4401 | { |
| 4402 | char const *proto_str; |
| 4403 | |
| 4404 | switch (proto) |
| 4405 | { |
| 4406 | case VPPCOM_PROTO_TCP: |
| 4407 | proto_str = "TCP"; |
| 4408 | break; |
| 4409 | case VPPCOM_PROTO_UDP: |
| 4410 | proto_str = "UDP"; |
| 4411 | break; |
| 4412 | case VPPCOM_PROTO_TLS: |
| 4413 | proto_str = "TLS"; |
| 4414 | break; |
| 4415 | case VPPCOM_PROTO_QUIC: |
| 4416 | proto_str = "QUIC"; |
| 4417 | break; |
Florin Coras | 4b47ee2 | 2020-11-19 13:38:26 -0800 | [diff] [blame] | 4418 | case VPPCOM_PROTO_DTLS: |
| 4419 | proto_str = "DTLS"; |
| 4420 | break; |
Florin Coras | 6621abf | 2021-01-06 17:35:17 -0800 | [diff] [blame] | 4421 | case VPPCOM_PROTO_SRTP: |
| 4422 | proto_str = "SRTP"; |
| 4423 | break; |
Florin Coras | 66ec467 | 2020-06-15 07:59:40 -0700 | [diff] [blame] | 4424 | default: |
| 4425 | proto_str = "UNKNOWN"; |
| 4426 | break; |
| 4427 | } |
| 4428 | return proto_str; |
| 4429 | } |
| 4430 | |
| 4431 | const char * |
| 4432 | vppcom_retval_str (int retval) |
| 4433 | { |
| 4434 | char const *st; |
| 4435 | |
| 4436 | switch (retval) |
| 4437 | { |
| 4438 | case VPPCOM_OK: |
| 4439 | st = "VPPCOM_OK"; |
| 4440 | break; |
| 4441 | |
| 4442 | case VPPCOM_EAGAIN: |
| 4443 | st = "VPPCOM_EAGAIN"; |
| 4444 | break; |
| 4445 | |
| 4446 | case VPPCOM_EFAULT: |
| 4447 | st = "VPPCOM_EFAULT"; |
| 4448 | break; |
| 4449 | |
| 4450 | case VPPCOM_ENOMEM: |
| 4451 | st = "VPPCOM_ENOMEM"; |
| 4452 | break; |
| 4453 | |
| 4454 | case VPPCOM_EINVAL: |
| 4455 | st = "VPPCOM_EINVAL"; |
| 4456 | break; |
| 4457 | |
| 4458 | case VPPCOM_EBADFD: |
| 4459 | st = "VPPCOM_EBADFD"; |
| 4460 | break; |
| 4461 | |
| 4462 | case VPPCOM_EAFNOSUPPORT: |
| 4463 | st = "VPPCOM_EAFNOSUPPORT"; |
| 4464 | break; |
| 4465 | |
| 4466 | case VPPCOM_ECONNABORTED: |
| 4467 | st = "VPPCOM_ECONNABORTED"; |
| 4468 | break; |
| 4469 | |
| 4470 | case VPPCOM_ECONNRESET: |
| 4471 | st = "VPPCOM_ECONNRESET"; |
| 4472 | break; |
| 4473 | |
| 4474 | case VPPCOM_ENOTCONN: |
| 4475 | st = "VPPCOM_ENOTCONN"; |
| 4476 | break; |
| 4477 | |
| 4478 | case VPPCOM_ECONNREFUSED: |
| 4479 | st = "VPPCOM_ECONNREFUSED"; |
| 4480 | break; |
| 4481 | |
| 4482 | case VPPCOM_ETIMEDOUT: |
| 4483 | st = "VPPCOM_ETIMEDOUT"; |
| 4484 | break; |
| 4485 | |
Radha krishna Saragadam | dd92bde | 2022-07-18 19:41:05 +0530 | [diff] [blame] | 4486 | case VPPCOM_EADDRINUSE: |
| 4487 | st = "VPPCOM_EADDRINUSE"; |
| 4488 | break; |
| 4489 | |
Florin Coras | 66ec467 | 2020-06-15 07:59:40 -0700 | [diff] [blame] | 4490 | default: |
| 4491 | st = "UNKNOWN_STATE"; |
| 4492 | break; |
| 4493 | } |
| 4494 | |
| 4495 | return st; |
| 4496 | } |
| 4497 | |
Florin Coras | a5a9efd | 2021-01-05 17:03:29 -0800 | [diff] [blame] | 4498 | int |
| 4499 | vppcom_add_cert_key_pair (vppcom_cert_key_pair_t *ckpair) |
| 4500 | { |
| 4501 | if (vcm->cfg.vpp_app_socket_api) |
Florin Coras | e191d76 | 2021-08-11 14:55:49 -0700 | [diff] [blame] | 4502 | return vcl_sapi_add_cert_key_pair (ckpair); |
| 4503 | else |
| 4504 | return vcl_bapi_add_cert_key_pair (ckpair); |
Florin Coras | a5a9efd | 2021-01-05 17:03:29 -0800 | [diff] [blame] | 4505 | } |
| 4506 | |
| 4507 | int |
| 4508 | vppcom_del_cert_key_pair (uint32_t ckpair_index) |
| 4509 | { |
| 4510 | if (vcm->cfg.vpp_app_socket_api) |
Florin Coras | e191d76 | 2021-08-11 14:55:49 -0700 | [diff] [blame] | 4511 | return vcl_sapi_del_cert_key_pair (ckpair_index); |
| 4512 | else |
| 4513 | return vcl_bapi_del_cert_key_pair (ckpair_index); |
Florin Coras | a5a9efd | 2021-01-05 17:03:29 -0800 | [diff] [blame] | 4514 | } |
| 4515 | |
Radha krishna Saragadam | dd92bde | 2022-07-18 19:41:05 +0530 | [diff] [blame] | 4516 | int |
| 4517 | vppcom_session_get_error (uint32_t session_handle) |
| 4518 | { |
| 4519 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4520 | vcl_session_t *session = 0; |
| 4521 | |
| 4522 | session = vcl_session_get_w_handle (wrk, session_handle); |
| 4523 | if (!session) |
| 4524 | return VPPCOM_EBADFD; |
| 4525 | |
| 4526 | if (PREDICT_FALSE (session->flags & VCL_SESSION_F_IS_VEP)) |
| 4527 | { |
| 4528 | VWRN ("epoll session %u! will not have connect", session->session_index); |
| 4529 | return VPPCOM_EBADFD; |
| 4530 | } |
| 4531 | |
| 4532 | if (session->vpp_error == SESSION_E_PORTINUSE) |
| 4533 | return VPPCOM_EADDRINUSE; |
| 4534 | else if (session->vpp_error == SESSION_E_REFUSED) |
| 4535 | return VPPCOM_ECONNREFUSED; |
| 4536 | else if (session->vpp_error != SESSION_E_NONE) |
| 4537 | return VPPCOM_EFAULT; |
| 4538 | else |
| 4539 | return VPPCOM_OK; |
| 4540 | } |
| 4541 | |
Maros Ondrejicka | 6ff8e90 | 2022-10-06 18:17:05 +0200 | [diff] [blame] | 4542 | int |
| 4543 | vppcom_worker_is_detached (void) |
| 4544 | { |
| 4545 | vcl_worker_t *wrk = vcl_worker_get_current (); |
| 4546 | |
| 4547 | if (!vcm->cfg.use_mq_eventfd) |
| 4548 | return VPPCOM_ENOTSUP; |
| 4549 | |
| 4550 | return wrk->api_client_handle == ~0; |
| 4551 | } |
| 4552 | |
Dave Wallace | e22aa74 | 2017-10-20 12:30:38 -0400 | [diff] [blame] | 4553 | /* |
| 4554 | * fd.io coding-style-patch-verification: ON |
| 4555 | * |
| 4556 | * Local Variables: |
| 4557 | * eval: (c-set-style "gnu") |
| 4558 | * End: |
| 4559 | */ |