Neale Ranns | b8d4481 | 2017-11-10 06:53:54 -0800 | [diff] [blame] | 1 | /* |
| 2 | *------------------------------------------------------------------ |
| 3 | * pg_api.c - vnet pg api |
| 4 | * |
| 5 | * Copyright (c) 2016 Cisco and/or its affiliates. |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at: |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | *------------------------------------------------------------------ |
| 18 | */ |
| 19 | |
| 20 | #include <vnet/vnet.h> |
| 21 | #include <vlibmemory/api.h> |
| 22 | |
| 23 | #include <vnet/pg/pg.h> |
| 24 | |
| 25 | #include <vnet/vnet_msg_enum.h> |
| 26 | |
| 27 | #define vl_typedefs /* define message structures */ |
| 28 | #include <vnet/vnet_all_api_h.h> |
| 29 | #undef vl_typedefs |
| 30 | |
| 31 | #define vl_endianfun /* define message structures */ |
| 32 | #include <vnet/vnet_all_api_h.h> |
| 33 | #undef vl_endianfun |
| 34 | |
| 35 | /* instantiate all the print functions we know about */ |
| 36 | #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) |
| 37 | #define vl_printfun |
| 38 | #include <vnet/vnet_all_api_h.h> |
| 39 | #undef vl_printfun |
| 40 | |
| 41 | #include <vlibapi/api_helper_macros.h> |
| 42 | |
| 43 | |
| 44 | #define foreach_pg_api_msg \ |
| 45 | _(PG_CREATE_INTERFACE, pg_create_interface) \ |
| 46 | _(PG_CAPTURE, pg_capture) \ |
| 47 | _(PG_ENABLE_DISABLE, pg_enable_disable) |
| 48 | |
Neale Ranns | b8d4481 | 2017-11-10 06:53:54 -0800 | [diff] [blame] | 49 | static void |
| 50 | vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp) |
| 51 | { |
| 52 | vl_api_pg_create_interface_reply_t *rmp; |
| 53 | int rv = 0; |
| 54 | |
| 55 | pg_main_t *pg = &pg_main; |
Mohsin Kazmi | 22e9cfd | 2019-07-23 11:54:48 +0200 | [diff] [blame] | 56 | u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id), |
| 57 | mp->gso_enabled, |
| 58 | ntohl (mp->gso_size)); |
Neale Ranns | b8d4481 | 2017-11-10 06:53:54 -0800 | [diff] [blame] | 59 | pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id); |
| 60 | |
| 61 | /* *INDENT-OFF* */ |
| 62 | REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY, |
| 63 | ({ |
| 64 | rmp->sw_if_index = ntohl(pi->sw_if_index); |
| 65 | })); |
| 66 | /* *INDENT-ON* */ |
| 67 | } |
| 68 | |
| 69 | static void |
| 70 | vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp) |
| 71 | { |
| 72 | vl_api_pg_capture_reply_t *rmp; |
| 73 | int rv = 0; |
| 74 | |
| 75 | vnet_main_t *vnm = vnet_get_main (); |
| 76 | vnet_interface_main_t *im = &vnm->interface_main; |
| 77 | vnet_hw_interface_t *hi = 0; |
| 78 | |
| 79 | u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0); |
| 80 | vec_terminate_c_string (intf_name); |
| 81 | u32 hw_if_index = ~0; |
| 82 | uword *p = hash_get_mem (im->hw_interface_by_name, intf_name); |
| 83 | if (p) |
| 84 | hw_if_index = *p; |
| 85 | vec_free (intf_name); |
| 86 | |
| 87 | if (hw_if_index != ~0) |
| 88 | { |
| 89 | pg_capture_args_t _a, *a = &_a; |
| 90 | |
| 91 | u32 len = ntohl (mp->pcap_name_length); |
| 92 | u8 *pcap_file_name = vec_new (u8, len); |
| 93 | clib_memcpy (pcap_file_name, mp->pcap_file_name, len); |
| 94 | |
| 95 | hi = vnet_get_sup_hw_interface (vnm, hw_if_index); |
| 96 | a->hw_if_index = hw_if_index; |
| 97 | a->dev_instance = hi->dev_instance; |
| 98 | a->is_enabled = mp->is_enabled; |
| 99 | a->pcap_file_name = pcap_file_name; |
| 100 | a->count = ntohl (mp->count); |
| 101 | |
| 102 | clib_error_t *e = pg_capture (a); |
| 103 | if (e) |
| 104 | { |
| 105 | clib_error_report (e); |
| 106 | rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE; |
| 107 | } |
| 108 | |
| 109 | vec_free (pcap_file_name); |
| 110 | } |
| 111 | REPLY_MACRO (VL_API_PG_CAPTURE_REPLY); |
| 112 | } |
| 113 | |
| 114 | static void |
| 115 | vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp) |
| 116 | { |
| 117 | vl_api_pg_enable_disable_reply_t *rmp; |
| 118 | int rv = 0; |
| 119 | |
| 120 | pg_main_t *pg = &pg_main; |
| 121 | u32 stream_index = ~0; |
| 122 | |
| 123 | int is_enable = mp->is_enabled != 0; |
| 124 | u32 len = ntohl (mp->stream_name_length) - 1; |
| 125 | |
| 126 | if (len > 0) |
| 127 | { |
| 128 | u8 *stream_name = vec_new (u8, len); |
| 129 | clib_memcpy (stream_name, mp->stream_name, len); |
| 130 | uword *p = hash_get_mem (pg->stream_index_by_name, stream_name); |
| 131 | if (p) |
| 132 | stream_index = *p; |
| 133 | vec_free (stream_name); |
| 134 | } |
| 135 | |
| 136 | pg_enable_disable (stream_index, is_enable); |
| 137 | |
| 138 | REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY); |
| 139 | } |
| 140 | |
| 141 | #define vl_msg_name_crc_list |
| 142 | #include <vnet/pg/pg.api.h> |
| 143 | #undef vl_msg_name_crc_list |
| 144 | |
| 145 | static void |
| 146 | setup_message_id_table (api_main_t * am) |
| 147 | { |
| 148 | #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); |
| 149 | foreach_vl_msg_name_crc_pg; |
| 150 | #undef _ |
| 151 | } |
| 152 | |
| 153 | static clib_error_t * |
| 154 | pg_api_hookup (vlib_main_t * vm) |
| 155 | { |
Dave Barach | 39d6911 | 2019-11-27 11:42:13 -0500 | [diff] [blame^] | 156 | api_main_t *am = vlibapi_get_main (); |
Neale Ranns | b8d4481 | 2017-11-10 06:53:54 -0800 | [diff] [blame] | 157 | |
| 158 | #define _(N,n) \ |
| 159 | vl_msg_api_set_handlers(VL_API_##N, #n, \ |
| 160 | vl_api_##n##_t_handler, \ |
| 161 | vl_noop_handler, \ |
| 162 | vl_api_##n##_t_endian, \ |
| 163 | vl_api_##n##_t_print, \ |
| 164 | sizeof(vl_api_##n##_t), 1); |
| 165 | foreach_pg_api_msg; |
| 166 | #undef _ |
| 167 | |
| 168 | /* |
| 169 | * Set up the (msg_name, crc, message-id) table |
| 170 | */ |
| 171 | setup_message_id_table (am); |
| 172 | |
| 173 | return 0; |
| 174 | } |
| 175 | |
| 176 | VLIB_API_INIT_FUNCTION (pg_api_hookup); |
| 177 | |
| 178 | /* |
| 179 | * fd.io coding-style-patch-verification: ON |
| 180 | * |
| 181 | * Local Variables: |
| 182 | * eval: (c-set-style "gnu") |
| 183 | * End: |
| 184 | */ |