Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 1 | /* |
Florin Coras | 288eaab | 2019-02-03 15:26:14 -0800 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 Cisco and/or its affiliates. |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this file except in compliance with the License. |
| 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 | |
Florin Coras | 1ee7830 | 2019-02-05 15:51:15 -0800 | [diff] [blame] | 16 | #include <vnet/session/transport.h> |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 17 | #include <vnet/session/session.h> |
| 18 | #include <vnet/fib/fib.h> |
| 19 | |
| 20 | /** |
| 21 | * Per-type vector of transport protocol virtual function tables |
| 22 | */ |
| 23 | transport_proto_vft_t *tp_vfts; |
| 24 | |
| 25 | /* |
| 26 | * Port allocator seed |
| 27 | */ |
| 28 | static u32 port_allocator_seed; |
| 29 | |
| 30 | /* |
| 31 | * Local endpoints table |
| 32 | */ |
| 33 | static transport_endpoint_table_t local_endpoints_table; |
| 34 | |
| 35 | /* |
| 36 | * Pool of local endpoints |
| 37 | */ |
| 38 | static transport_endpoint_t *local_endpoints; |
| 39 | |
| 40 | /* |
| 41 | * Local endpoints pool lock |
| 42 | */ |
| 43 | static clib_spinlock_t local_endpoints_lock; |
| 44 | |
Florin Coras | 1c71045 | 2017-10-17 00:03:13 -0700 | [diff] [blame] | 45 | u8 * |
| 46 | format_transport_proto (u8 * s, va_list * args) |
| 47 | { |
| 48 | u32 transport_proto = va_arg (*args, u32); |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 49 | |
| 50 | if (tp_vfts[transport_proto].transport_options.name) |
| 51 | s = format (s, "%s", tp_vfts[transport_proto].transport_options.name); |
| 52 | else |
| 53 | s = format (s, "n/a"); |
| 54 | |
Florin Coras | 1c71045 | 2017-10-17 00:03:13 -0700 | [diff] [blame] | 55 | return s; |
| 56 | } |
| 57 | |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 58 | u8 * |
| 59 | format_transport_proto_short (u8 * s, va_list * args) |
| 60 | { |
| 61 | u32 transport_proto = va_arg (*args, u32); |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 62 | char *short_name; |
| 63 | |
| 64 | short_name = tp_vfts[transport_proto].transport_options.short_name; |
| 65 | if (short_name) |
| 66 | s = format (s, "%s", short_name); |
| 67 | else |
| 68 | s = format (s, "NA"); |
| 69 | |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 70 | return s; |
| 71 | } |
| 72 | |
Florin Coras | de9a849 | 2018-10-24 22:18:58 -0700 | [diff] [blame] | 73 | u8 * |
| 74 | format_transport_connection (u8 * s, va_list * args) |
| 75 | { |
| 76 | u32 transport_proto = va_arg (*args, u32); |
| 77 | u32 conn_index = va_arg (*args, u32); |
| 78 | u32 thread_index = va_arg (*args, u32); |
| 79 | u32 verbose = va_arg (*args, u32); |
| 80 | transport_proto_vft_t *tp_vft; |
| 81 | transport_connection_t *tc; |
| 82 | u32 indent; |
| 83 | |
| 84 | tp_vft = transport_protocol_get_vft (transport_proto); |
| 85 | if (!tp_vft) |
| 86 | return s; |
| 87 | |
| 88 | s = format (s, "%U", tp_vft->format_connection, conn_index, thread_index, |
| 89 | verbose); |
| 90 | tc = tp_vft->get_connection (conn_index, thread_index); |
| 91 | if (tc && transport_connection_is_tx_paced (tc) && verbose > 1) |
| 92 | { |
| 93 | indent = format_get_indent (s) + 1; |
| 94 | s = format (s, "%Upacer: %U\n", format_white_space, indent, |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 95 | format_transport_pacer, &tc->pacer, tc->thread_index); |
Florin Coras | 70f879d | 2020-03-13 17:54:42 +0000 | [diff] [blame] | 96 | s = format (s, "%Utransport: flags 0x%x\n", format_white_space, indent, |
| 97 | tc->flags); |
Florin Coras | de9a849 | 2018-10-24 22:18:58 -0700 | [diff] [blame] | 98 | } |
| 99 | return s; |
| 100 | } |
| 101 | |
| 102 | u8 * |
| 103 | format_transport_listen_connection (u8 * s, va_list * args) |
| 104 | { |
| 105 | u32 transport_proto = va_arg (*args, u32); |
Florin Coras | de9a849 | 2018-10-24 22:18:58 -0700 | [diff] [blame] | 106 | transport_proto_vft_t *tp_vft; |
| 107 | |
| 108 | tp_vft = transport_protocol_get_vft (transport_proto); |
| 109 | if (!tp_vft) |
| 110 | return s; |
| 111 | |
Florin Coras | 3389dd2 | 2019-02-01 18:00:05 -0800 | [diff] [blame] | 112 | s = (tp_vft->format_listener) (s, args); |
Florin Coras | de9a849 | 2018-10-24 22:18:58 -0700 | [diff] [blame] | 113 | return s; |
| 114 | } |
| 115 | |
| 116 | u8 * |
| 117 | format_transport_half_open_connection (u8 * s, va_list * args) |
| 118 | { |
| 119 | u32 transport_proto = va_arg (*args, u32); |
| 120 | u32 listen_index = va_arg (*args, u32); |
| 121 | transport_proto_vft_t *tp_vft; |
| 122 | |
| 123 | tp_vft = transport_protocol_get_vft (transport_proto); |
| 124 | if (!tp_vft) |
| 125 | return s; |
| 126 | |
| 127 | s = format (s, "%U", tp_vft->format_half_open, listen_index); |
| 128 | return s; |
| 129 | } |
| 130 | |
Florin Coras | 3bbbf0d | 2019-11-19 17:23:22 -0800 | [diff] [blame] | 131 | static u8 |
| 132 | unformat_transport_str_match (unformat_input_t * input, const char *str) |
| 133 | { |
| 134 | int i; |
| 135 | |
| 136 | if (strlen (str) > vec_len (input->buffer) - input->index) |
| 137 | return 0; |
| 138 | |
| 139 | for (i = 0; i < strlen (str); i++) |
| 140 | { |
| 141 | if (input->buffer[i + input->index] != str[i]) |
| 142 | return 0; |
| 143 | } |
| 144 | return 1; |
| 145 | } |
| 146 | |
Florin Coras | 1c71045 | 2017-10-17 00:03:13 -0700 | [diff] [blame] | 147 | uword |
| 148 | unformat_transport_proto (unformat_input_t * input, va_list * args) |
| 149 | { |
| 150 | u32 *proto = va_arg (*args, u32 *); |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 151 | transport_proto_vft_t *tp_vft; |
Florin Coras | 3bbbf0d | 2019-11-19 17:23:22 -0800 | [diff] [blame] | 152 | u8 longest_match = 0, match; |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 153 | char *str, *str_match = 0; |
| 154 | transport_proto_t tp; |
Florin Coras | 5bb23ec | 2019-08-31 09:45:13 -0700 | [diff] [blame] | 155 | |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 156 | for (tp = 0; tp < vec_len (tp_vfts); tp++) |
| 157 | { |
| 158 | tp_vft = &tp_vfts[tp]; |
| 159 | str = tp_vft->transport_options.name; |
| 160 | if (!str) |
| 161 | continue; |
| 162 | if (unformat_transport_str_match (input, str)) |
| 163 | { |
| 164 | match = strlen (str); |
| 165 | if (match > longest_match) |
| 166 | { |
| 167 | *proto = tp; |
| 168 | longest_match = match; |
| 169 | str_match = str; |
| 170 | } |
| 171 | } |
Florin Coras | 5bb23ec | 2019-08-31 09:45:13 -0700 | [diff] [blame] | 172 | } |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 173 | if (longest_match) |
Florin Coras | 3bbbf0d | 2019-11-19 17:23:22 -0800 | [diff] [blame] | 174 | { |
| 175 | unformat (input, str_match); |
| 176 | return 1; |
| 177 | } |
| 178 | |
| 179 | return 0; |
Florin Coras | 1c71045 | 2017-10-17 00:03:13 -0700 | [diff] [blame] | 180 | } |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 181 | |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 182 | u8 * |
| 183 | format_transport_protos (u8 * s, va_list * args) |
| 184 | { |
| 185 | transport_proto_vft_t *tp_vft; |
| 186 | |
| 187 | vec_foreach (tp_vft, tp_vfts) |
| 188 | s = format (s, "%s\n", tp_vft->transport_options.name); |
| 189 | |
| 190 | return s; |
| 191 | } |
| 192 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 193 | u32 |
| 194 | transport_endpoint_lookup (transport_endpoint_table_t * ht, u8 proto, |
| 195 | ip46_address_t * ip, u16 port) |
| 196 | { |
| 197 | clib_bihash_kv_24_8_t kv; |
| 198 | int rv; |
| 199 | |
| 200 | kv.key[0] = ip->as_u64[0]; |
| 201 | kv.key[1] = ip->as_u64[1]; |
| 202 | kv.key[2] = (u64) port << 8 | (u64) proto; |
| 203 | |
| 204 | rv = clib_bihash_search_inline_24_8 (ht, &kv); |
| 205 | if (rv == 0) |
| 206 | return kv.value; |
| 207 | |
| 208 | return ENDPOINT_INVALID_INDEX; |
| 209 | } |
| 210 | |
| 211 | void |
| 212 | transport_endpoint_table_add (transport_endpoint_table_t * ht, u8 proto, |
| 213 | transport_endpoint_t * te, u32 value) |
| 214 | { |
| 215 | clib_bihash_kv_24_8_t kv; |
| 216 | |
| 217 | kv.key[0] = te->ip.as_u64[0]; |
| 218 | kv.key[1] = te->ip.as_u64[1]; |
| 219 | kv.key[2] = (u64) te->port << 8 | (u64) proto; |
| 220 | kv.value = value; |
| 221 | |
| 222 | clib_bihash_add_del_24_8 (ht, &kv, 1); |
| 223 | } |
| 224 | |
| 225 | void |
| 226 | transport_endpoint_table_del (transport_endpoint_table_t * ht, u8 proto, |
| 227 | transport_endpoint_t * te) |
| 228 | { |
| 229 | clib_bihash_kv_24_8_t kv; |
| 230 | |
| 231 | kv.key[0] = te->ip.as_u64[0]; |
| 232 | kv.key[1] = te->ip.as_u64[1]; |
| 233 | kv.key[2] = (u64) te->port << 8 | (u64) proto; |
| 234 | |
| 235 | clib_bihash_add_del_24_8 (ht, &kv, 0); |
| 236 | } |
| 237 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 238 | void |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 239 | transport_register_protocol (transport_proto_t transport_proto, |
| 240 | const transport_proto_vft_t * vft, |
| 241 | fib_protocol_t fib_proto, u32 output_node) |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 242 | { |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 243 | u8 is_ip4 = fib_proto == FIB_PROTOCOL_IP4; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 244 | |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 245 | vec_validate (tp_vfts, transport_proto); |
| 246 | tp_vfts[transport_proto] = *vft; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 247 | |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 248 | session_register_transport (transport_proto, vft, is_ip4, output_node); |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Florin Coras | 07063b8 | 2020-03-13 04:44:51 +0000 | [diff] [blame^] | 251 | transport_proto_t |
| 252 | transport_register_new_protocol (const transport_proto_vft_t * vft, |
| 253 | fib_protocol_t fib_proto, u32 output_node) |
| 254 | { |
| 255 | transport_proto_t transport_proto; |
| 256 | u8 is_ip4; |
| 257 | |
| 258 | transport_proto = session_add_transport_proto (); |
| 259 | is_ip4 = fib_proto == FIB_PROTOCOL_IP4; |
| 260 | |
| 261 | vec_validate (tp_vfts, transport_proto); |
| 262 | tp_vfts[transport_proto] = *vft; |
| 263 | |
| 264 | session_register_transport (transport_proto, vft, is_ip4, output_node); |
| 265 | |
| 266 | return transport_proto; |
| 267 | } |
| 268 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 269 | /** |
| 270 | * Get transport virtual function table |
| 271 | * |
| 272 | * @param type - session type (not protocol type) |
| 273 | */ |
| 274 | transport_proto_vft_t * |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 275 | transport_protocol_get_vft (transport_proto_t transport_proto) |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 276 | { |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 277 | if (transport_proto >= vec_len (tp_vfts)) |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 278 | return 0; |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 279 | return &tp_vfts[transport_proto]; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 280 | } |
| 281 | |
Nathan Skrzypczak | a26349d | 2019-06-26 13:53:08 +0200 | [diff] [blame] | 282 | u8 |
| 283 | transport_half_open_has_fifos (transport_proto_t tp) |
| 284 | { |
| 285 | return tp_vfts[tp].transport_options.half_open_has_fifos; |
| 286 | } |
| 287 | |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 288 | transport_service_type_t |
| 289 | transport_protocol_service_type (transport_proto_t tp) |
| 290 | { |
Nathan Skrzypczak | e971bc9 | 2019-06-19 13:42:37 +0200 | [diff] [blame] | 291 | return tp_vfts[tp].transport_options.service_type; |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 292 | } |
| 293 | |
Florin Coras | f08f26d | 2018-05-10 13:20:47 -0700 | [diff] [blame] | 294 | transport_tx_fn_type_t |
| 295 | transport_protocol_tx_fn_type (transport_proto_t tp) |
| 296 | { |
Nathan Skrzypczak | e971bc9 | 2019-06-19 13:42:37 +0200 | [diff] [blame] | 297 | return tp_vfts[tp].transport_options.tx_type; |
Florin Coras | f08f26d | 2018-05-10 13:20:47 -0700 | [diff] [blame] | 298 | } |
| 299 | |
Florin Coras | 1ee7830 | 2019-02-05 15:51:15 -0800 | [diff] [blame] | 300 | void |
| 301 | transport_cleanup (transport_proto_t tp, u32 conn_index, u8 thread_index) |
Florin Coras | 4edc37e | 2019-02-04 23:01:34 -0800 | [diff] [blame] | 302 | { |
Florin Coras | 1ee7830 | 2019-02-05 15:51:15 -0800 | [diff] [blame] | 303 | tp_vfts[tp].cleanup (conn_index, thread_index); |
Florin Coras | 4edc37e | 2019-02-04 23:01:34 -0800 | [diff] [blame] | 304 | } |
| 305 | |
Florin Coras | 1ee7830 | 2019-02-05 15:51:15 -0800 | [diff] [blame] | 306 | int |
| 307 | transport_connect (transport_proto_t tp, transport_endpoint_cfg_t * tep) |
Florin Coras | 4edc37e | 2019-02-04 23:01:34 -0800 | [diff] [blame] | 308 | { |
Florin Coras | 1ee7830 | 2019-02-05 15:51:15 -0800 | [diff] [blame] | 309 | return tp_vfts[tp].connect (tep); |
| 310 | } |
| 311 | |
| 312 | void |
| 313 | transport_close (transport_proto_t tp, u32 conn_index, u8 thread_index) |
| 314 | { |
| 315 | tp_vfts[tp].close (conn_index, thread_index); |
| 316 | } |
| 317 | |
Florin Coras | dfb3b87 | 2019-08-16 17:48:44 -0700 | [diff] [blame] | 318 | void |
| 319 | transport_reset (transport_proto_t tp, u32 conn_index, u8 thread_index) |
| 320 | { |
| 321 | if (tp_vfts[tp].reset) |
| 322 | tp_vfts[tp].reset (conn_index, thread_index); |
| 323 | else |
| 324 | tp_vfts[tp].close (conn_index, thread_index); |
| 325 | } |
| 326 | |
Florin Coras | 1ee7830 | 2019-02-05 15:51:15 -0800 | [diff] [blame] | 327 | u32 |
| 328 | transport_start_listen (transport_proto_t tp, u32 session_index, |
| 329 | transport_endpoint_t * tep) |
| 330 | { |
| 331 | return tp_vfts[tp].start_listen (session_index, tep); |
| 332 | } |
| 333 | |
| 334 | u32 |
| 335 | transport_stop_listen (transport_proto_t tp, u32 conn_index) |
| 336 | { |
| 337 | return tp_vfts[tp].stop_listen (conn_index); |
Florin Coras | 4edc37e | 2019-02-04 23:01:34 -0800 | [diff] [blame] | 338 | } |
| 339 | |
Florin Coras | 40903ac | 2018-06-10 14:41:23 -0700 | [diff] [blame] | 340 | u8 |
| 341 | transport_protocol_is_cl (transport_proto_t tp) |
| 342 | { |
Nathan Skrzypczak | e971bc9 | 2019-06-19 13:42:37 +0200 | [diff] [blame] | 343 | return (tp_vfts[tp].transport_options.service_type == TRANSPORT_SERVICE_CL); |
Florin Coras | 40903ac | 2018-06-10 14:41:23 -0700 | [diff] [blame] | 344 | } |
| 345 | |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 346 | always_inline void |
| 347 | default_get_transport_endpoint (transport_connection_t * tc, |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 348 | transport_endpoint_t * tep, u8 is_lcl) |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 349 | { |
| 350 | if (is_lcl) |
| 351 | { |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 352 | tep->port = tc->lcl_port; |
| 353 | tep->is_ip4 = tc->is_ip4; |
| 354 | clib_memcpy_fast (&tep->ip, &tc->lcl_ip, sizeof (tc->lcl_ip)); |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 355 | } |
| 356 | else |
| 357 | { |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 358 | tep->port = tc->rmt_port; |
| 359 | tep->is_ip4 = tc->is_ip4; |
| 360 | clib_memcpy_fast (&tep->ip, &tc->rmt_ip, sizeof (tc->rmt_ip)); |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 361 | } |
| 362 | } |
| 363 | |
| 364 | void |
| 365 | transport_get_endpoint (transport_proto_t tp, u32 conn_index, |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 366 | u32 thread_index, transport_endpoint_t * tep, |
| 367 | u8 is_lcl) |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 368 | { |
| 369 | if (tp_vfts[tp].get_transport_endpoint) |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 370 | tp_vfts[tp].get_transport_endpoint (conn_index, thread_index, tep, |
| 371 | is_lcl); |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 372 | else |
| 373 | { |
| 374 | transport_connection_t *tc; |
| 375 | tc = transport_get_connection (tp, conn_index, thread_index); |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 376 | default_get_transport_endpoint (tc, tep, is_lcl); |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 377 | } |
| 378 | } |
| 379 | |
| 380 | void |
| 381 | transport_get_listener_endpoint (transport_proto_t tp, u32 conn_index, |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 382 | transport_endpoint_t * tep, u8 is_lcl) |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 383 | { |
| 384 | if (tp_vfts[tp].get_transport_listener_endpoint) |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 385 | tp_vfts[tp].get_transport_listener_endpoint (conn_index, tep, is_lcl); |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 386 | else |
| 387 | { |
| 388 | transport_connection_t *tc; |
| 389 | tc = transport_get_listener (tp, conn_index); |
Florin Coras | 09d18c2 | 2019-04-24 11:10:02 -0700 | [diff] [blame] | 390 | default_get_transport_endpoint (tc, tep, is_lcl); |
Aloys Augustin | cdb7170 | 2019-04-08 17:54:39 +0200 | [diff] [blame] | 391 | } |
| 392 | } |
| 393 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 394 | #define PORT_MASK ((1 << 16)- 1) |
| 395 | |
| 396 | void |
| 397 | transport_endpoint_del (u32 tepi) |
| 398 | { |
| 399 | clib_spinlock_lock_if_init (&local_endpoints_lock); |
| 400 | pool_put_index (local_endpoints, tepi); |
| 401 | clib_spinlock_unlock_if_init (&local_endpoints_lock); |
| 402 | } |
| 403 | |
| 404 | always_inline transport_endpoint_t * |
| 405 | transport_endpoint_new (void) |
| 406 | { |
| 407 | transport_endpoint_t *tep; |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 408 | pool_get_zero (local_endpoints, tep); |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 409 | return tep; |
| 410 | } |
| 411 | |
| 412 | void |
| 413 | transport_endpoint_cleanup (u8 proto, ip46_address_t * lcl_ip, u16 port) |
| 414 | { |
| 415 | u32 tepi; |
| 416 | transport_endpoint_t *tep; |
| 417 | |
| 418 | /* Cleanup local endpoint if this was an active connect */ |
| 419 | tepi = transport_endpoint_lookup (&local_endpoints_table, proto, lcl_ip, |
| 420 | clib_net_to_host_u16 (port)); |
| 421 | if (tepi != ENDPOINT_INVALID_INDEX) |
| 422 | { |
| 423 | tep = pool_elt_at_index (local_endpoints, tepi); |
| 424 | transport_endpoint_table_del (&local_endpoints_table, proto, tep); |
| 425 | transport_endpoint_del (tepi); |
| 426 | } |
| 427 | } |
| 428 | |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 429 | static void |
| 430 | transport_endpoint_mark_used (u8 proto, ip46_address_t * ip, u16 port) |
| 431 | { |
| 432 | transport_endpoint_t *tep; |
| 433 | clib_spinlock_lock_if_init (&local_endpoints_lock); |
| 434 | tep = transport_endpoint_new (); |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 435 | clib_memcpy_fast (&tep->ip, ip, sizeof (*ip)); |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 436 | tep->port = port; |
| 437 | transport_endpoint_table_add (&local_endpoints_table, proto, tep, |
| 438 | tep - local_endpoints); |
| 439 | clib_spinlock_unlock_if_init (&local_endpoints_lock); |
| 440 | } |
| 441 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 442 | /** |
| 443 | * Allocate local port and add if successful add entry to local endpoint |
| 444 | * table to mark the pair as used. |
| 445 | */ |
| 446 | int |
| 447 | transport_alloc_local_port (u8 proto, ip46_address_t * ip) |
| 448 | { |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 449 | u16 min = 1024, max = 65535; /* XXX configurable ? */ |
| 450 | int tries, limit; |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 451 | u32 tei; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 452 | |
| 453 | limit = max - min; |
| 454 | |
| 455 | /* Only support active opens from thread 0 */ |
| 456 | ASSERT (vlib_get_thread_index () == 0); |
| 457 | |
| 458 | /* Search for first free slot */ |
| 459 | for (tries = 0; tries < limit; tries++) |
| 460 | { |
| 461 | u16 port = 0; |
| 462 | |
| 463 | /* Find a port in the specified range */ |
| 464 | while (1) |
| 465 | { |
| 466 | port = random_u32 (&port_allocator_seed) & PORT_MASK; |
| 467 | if (PREDICT_TRUE (port >= min && port < max)) |
| 468 | break; |
| 469 | } |
| 470 | |
| 471 | /* Look it up. If not found, we're done */ |
| 472 | tei = transport_endpoint_lookup (&local_endpoints_table, proto, ip, |
| 473 | port); |
| 474 | if (tei == ENDPOINT_INVALID_INDEX) |
| 475 | { |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 476 | transport_endpoint_mark_used (proto, ip, port); |
| 477 | return port; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 478 | } |
| 479 | } |
| 480 | return -1; |
| 481 | } |
| 482 | |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 483 | static clib_error_t * |
| 484 | transport_get_interface_ip (u32 sw_if_index, u8 is_ip4, ip46_address_t * addr) |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 485 | { |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 486 | if (is_ip4) |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 487 | { |
| 488 | ip4_address_t *ip4; |
| 489 | ip4 = ip_interface_get_first_ip (sw_if_index, 1); |
Florin Coras | fc804d9 | 2018-01-26 01:27:01 -0800 | [diff] [blame] | 490 | if (!ip4) |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 491 | return clib_error_return (0, "no routable ip4 address on %U", |
| 492 | format_vnet_sw_if_index_name, |
| 493 | vnet_get_main (), sw_if_index); |
| 494 | addr->ip4.as_u32 = ip4->as_u32; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 495 | } |
| 496 | else |
| 497 | { |
| 498 | ip6_address_t *ip6; |
| 499 | ip6 = ip_interface_get_first_ip (sw_if_index, 0); |
| 500 | if (ip6 == 0) |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 501 | return clib_error_return (0, "no routable ip6 addresses on %U", |
| 502 | format_vnet_sw_if_index_name, |
| 503 | vnet_get_main (), sw_if_index); |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 504 | clib_memcpy_fast (&addr->ip6, ip6, sizeof (*ip6)); |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 505 | } |
| 506 | return 0; |
| 507 | } |
| 508 | |
| 509 | static clib_error_t * |
| 510 | transport_find_local_ip_for_remote (u32 sw_if_index, |
| 511 | transport_endpoint_t * rmt, |
| 512 | ip46_address_t * lcl_addr) |
| 513 | { |
| 514 | fib_node_index_t fei; |
| 515 | fib_prefix_t prefix; |
| 516 | |
| 517 | if (sw_if_index == ENDPOINT_INVALID_INDEX) |
| 518 | { |
| 519 | /* Find a FIB path to the destination */ |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 520 | clib_memcpy_fast (&prefix.fp_addr, &rmt->ip, sizeof (rmt->ip)); |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 521 | prefix.fp_proto = rmt->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; |
| 522 | prefix.fp_len = rmt->is_ip4 ? 32 : 128; |
| 523 | |
| 524 | ASSERT (rmt->fib_index != ENDPOINT_INVALID_INDEX); |
| 525 | fei = fib_table_lookup (rmt->fib_index, &prefix); |
| 526 | |
| 527 | /* Couldn't find route to destination. Bail out. */ |
| 528 | if (fei == FIB_NODE_INDEX_INVALID) |
| 529 | return clib_error_return (0, "no route to %U", format_ip46_address, |
| 530 | &rmt->ip, (rmt->is_ip4 == 0) + 1); |
| 531 | |
| 532 | sw_if_index = fib_entry_get_resolving_interface (fei); |
| 533 | if (sw_if_index == ENDPOINT_INVALID_INDEX) |
| 534 | return clib_error_return (0, "no resolving interface for %U", |
| 535 | format_ip46_address, &rmt->ip, |
| 536 | (rmt->is_ip4 == 0) + 1); |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 537 | } |
| 538 | |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 539 | clib_memset (lcl_addr, 0, sizeof (*lcl_addr)); |
| 540 | return transport_get_interface_ip (sw_if_index, rmt->is_ip4, lcl_addr); |
| 541 | } |
| 542 | |
| 543 | int |
| 544 | transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t * rmt_cfg, |
| 545 | ip46_address_t * lcl_addr, u16 * lcl_port) |
| 546 | { |
| 547 | transport_endpoint_t *rmt = (transport_endpoint_t *) rmt_cfg; |
| 548 | clib_error_t *error; |
| 549 | int port; |
| 550 | u32 tei; |
| 551 | |
| 552 | /* |
| 553 | * Find the local address |
| 554 | */ |
| 555 | if (ip_is_zero (&rmt_cfg->peer.ip, rmt_cfg->peer.is_ip4)) |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 556 | { |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 557 | error = transport_find_local_ip_for_remote (rmt_cfg->peer.sw_if_index, |
| 558 | rmt, lcl_addr); |
| 559 | if (error) |
Florin Coras | dc2e251 | 2018-12-03 17:47:26 -0800 | [diff] [blame] | 560 | { |
| 561 | clib_error_report (error); |
| 562 | return -1; |
| 563 | } |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 564 | } |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 565 | else |
| 566 | { |
| 567 | /* Assume session layer vetted this address */ |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 568 | clib_memcpy_fast (lcl_addr, &rmt_cfg->peer.ip, |
| 569 | sizeof (rmt_cfg->peer.ip)); |
Florin Coras | 5665ced | 2018-10-25 18:03:45 -0700 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | /* |
| 573 | * Allocate source port |
| 574 | */ |
| 575 | if (rmt_cfg->peer.port == 0) |
| 576 | { |
| 577 | port = transport_alloc_local_port (proto, lcl_addr); |
| 578 | if (port < 1) |
| 579 | { |
| 580 | clib_warning ("Failed to allocate src port"); |
| 581 | return -1; |
| 582 | } |
| 583 | *lcl_port = port; |
| 584 | } |
| 585 | else |
| 586 | { |
| 587 | port = clib_net_to_host_u16 (rmt_cfg->peer.port); |
| 588 | tei = transport_endpoint_lookup (&local_endpoints_table, proto, |
| 589 | lcl_addr, port); |
| 590 | if (tei != ENDPOINT_INVALID_INDEX) |
| 591 | return -1; |
| 592 | |
| 593 | transport_endpoint_mark_used (proto, lcl_addr, port); |
| 594 | *lcl_port = port; |
| 595 | } |
| 596 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 597 | return 0; |
| 598 | } |
| 599 | |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 600 | u8 * |
| 601 | format_clib_us_time (u8 * s, va_list * args) |
| 602 | { |
| 603 | clib_us_time_t t = va_arg (*args, clib_us_time_t); |
| 604 | if (t < 1e3) |
| 605 | s = format (s, "%u us", t); |
| 606 | else |
| 607 | s = format (s, "%.3f s", (f64) t * CLIB_US_TIME_PERIOD); |
| 608 | return s; |
| 609 | } |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 610 | |
| 611 | u8 * |
| 612 | format_transport_pacer (u8 * s, va_list * args) |
| 613 | { |
| 614 | spacer_t *pacer = va_arg (*args, spacer_t *); |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 615 | u32 thread_index = va_arg (*args, int); |
| 616 | clib_us_time_t now, diff; |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 617 | |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 618 | now = transport_us_time_now (thread_index); |
| 619 | diff = now - pacer->last_update; |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 620 | s = format (s, "rate %lu bucket %lu t/p %.3f last_update %U idle %u", |
Florin Coras | be237bf | 2019-09-27 08:16:40 -0700 | [diff] [blame] | 621 | pacer->bytes_per_sec, pacer->bucket, pacer->tokens_per_period, |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 622 | format_clib_us_time, diff, pacer->idle_timeout_us); |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 623 | return s; |
| 624 | } |
| 625 | |
| 626 | static inline u32 |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 627 | spacer_max_burst (spacer_t * pacer, clib_us_time_t time_now) |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 628 | { |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 629 | u64 n_periods = (time_now - pacer->last_update); |
Florin Coras | e55a6d7 | 2018-10-31 23:09:22 -0700 | [diff] [blame] | 630 | u64 inc; |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 631 | |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 632 | if (PREDICT_FALSE (n_periods > pacer->idle_timeout_us)) |
Florin Coras | c31dc31 | 2019-10-06 14:06:14 -0700 | [diff] [blame] | 633 | { |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 634 | pacer->last_update = time_now; |
Florin Coras | c31dc31 | 2019-10-06 14:06:14 -0700 | [diff] [blame] | 635 | pacer->bucket = TRANSPORT_PACER_MIN_BURST; |
| 636 | return TRANSPORT_PACER_MIN_BURST; |
| 637 | } |
| 638 | |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 639 | if ((inc = (f32) n_periods * pacer->tokens_per_period) > 10) |
Florin Coras | e55a6d7 | 2018-10-31 23:09:22 -0700 | [diff] [blame] | 640 | { |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 641 | pacer->last_update = time_now; |
Florin Coras | 7c8f828 | 2019-09-15 16:28:45 -0700 | [diff] [blame] | 642 | pacer->bucket = clib_min (pacer->bucket + inc, pacer->bytes_per_sec); |
Florin Coras | e55a6d7 | 2018-10-31 23:09:22 -0700 | [diff] [blame] | 643 | } |
| 644 | |
Florin Coras | 6bc6fd0 | 2019-03-27 18:55:11 -0700 | [diff] [blame] | 645 | return clib_min (pacer->bucket, TRANSPORT_PACER_MAX_BURST); |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | static inline void |
| 649 | spacer_update_bucket (spacer_t * pacer, u32 bytes) |
| 650 | { |
| 651 | ASSERT (pacer->bucket >= bytes); |
| 652 | pacer->bucket -= bytes; |
| 653 | } |
| 654 | |
| 655 | static inline void |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 656 | spacer_set_pace_rate (spacer_t * pacer, u64 rate_bytes_per_sec, |
| 657 | clib_us_time_t rtt) |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 658 | { |
| 659 | ASSERT (rate_bytes_per_sec != 0); |
Florin Coras | 7c8f828 | 2019-09-15 16:28:45 -0700 | [diff] [blame] | 660 | pacer->bytes_per_sec = rate_bytes_per_sec; |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 661 | pacer->tokens_per_period = rate_bytes_per_sec * CLIB_US_TIME_PERIOD; |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 662 | pacer->idle_timeout_us = clib_max (rtt * TRANSPORT_PACER_IDLE_FACTOR, |
| 663 | TRANSPORT_PACER_MIN_IDLE); |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 664 | } |
| 665 | |
Florin Coras | 5281473 | 2019-06-12 15:38:19 -0700 | [diff] [blame] | 666 | static inline u64 |
| 667 | spacer_pace_rate (spacer_t * pacer) |
| 668 | { |
Florin Coras | 7c8f828 | 2019-09-15 16:28:45 -0700 | [diff] [blame] | 669 | return pacer->bytes_per_sec; |
Florin Coras | 5281473 | 2019-06-12 15:38:19 -0700 | [diff] [blame] | 670 | } |
| 671 | |
Florin Coras | 36ebcff | 2019-09-12 18:36:44 -0700 | [diff] [blame] | 672 | static inline void |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 673 | spacer_reset (spacer_t * pacer, clib_us_time_t time_now, u64 bucket) |
Florin Coras | 36ebcff | 2019-09-12 18:36:44 -0700 | [diff] [blame] | 674 | { |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 675 | pacer->last_update = time_now; |
| 676 | pacer->bucket = bucket; |
Florin Coras | 36ebcff | 2019-09-12 18:36:44 -0700 | [diff] [blame] | 677 | } |
| 678 | |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 679 | void |
Florin Coras | c44a558 | 2018-11-01 16:30:54 -0700 | [diff] [blame] | 680 | transport_connection_tx_pacer_reset (transport_connection_t * tc, |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 681 | u64 rate_bytes_per_sec, u32 start_bucket, |
| 682 | clib_us_time_t rtt) |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 683 | { |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 684 | spacer_set_pace_rate (&tc->pacer, rate_bytes_per_sec, rtt); |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 685 | spacer_reset (&tc->pacer, transport_us_time_now (tc->thread_index), |
| 686 | start_bucket); |
| 687 | } |
| 688 | |
| 689 | void |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 690 | transport_connection_tx_pacer_reset_bucket (transport_connection_t * tc, |
| 691 | u32 bucket) |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 692 | { |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 693 | spacer_reset (&tc->pacer, transport_us_time_now (tc->thread_index), bucket); |
Florin Coras | c44a558 | 2018-11-01 16:30:54 -0700 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | void |
| 697 | transport_connection_tx_pacer_init (transport_connection_t * tc, |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 698 | u64 rate_bytes_per_sec, |
Florin Coras | c44a558 | 2018-11-01 16:30:54 -0700 | [diff] [blame] | 699 | u32 initial_bucket) |
| 700 | { |
Florin Coras | c44a558 | 2018-11-01 16:30:54 -0700 | [diff] [blame] | 701 | tc->flags |= TRANSPORT_CONNECTION_F_IS_TX_PACED; |
| 702 | transport_connection_tx_pacer_reset (tc, rate_bytes_per_sec, |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 703 | initial_bucket, 1e6); |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | void |
| 707 | transport_connection_tx_pacer_update (transport_connection_t * tc, |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 708 | u64 bytes_per_sec, clib_us_time_t rtt) |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 709 | { |
Florin Coras | 11e9e35 | 2019-11-13 19:09:47 -0800 | [diff] [blame] | 710 | spacer_set_pace_rate (&tc->pacer, bytes_per_sec, rtt); |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | u32 |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 714 | transport_connection_tx_pacer_burst (transport_connection_t * tc) |
Florin Coras | e55a6d7 | 2018-10-31 23:09:22 -0700 | [diff] [blame] | 715 | { |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 716 | return spacer_max_burst (&tc->pacer, |
| 717 | transport_us_time_now (tc->thread_index)); |
Florin Coras | 36ebcff | 2019-09-12 18:36:44 -0700 | [diff] [blame] | 718 | } |
| 719 | |
Florin Coras | 5281473 | 2019-06-12 15:38:19 -0700 | [diff] [blame] | 720 | u64 |
| 721 | transport_connection_tx_pacer_rate (transport_connection_t * tc) |
| 722 | { |
| 723 | return spacer_pace_rate (&tc->pacer); |
| 724 | } |
| 725 | |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 726 | void |
Florin Coras | 0048223 | 2019-08-02 12:52:00 -0700 | [diff] [blame] | 727 | transport_connection_update_tx_bytes (transport_connection_t * tc, u32 bytes) |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 728 | { |
Florin Coras | d67f112 | 2018-05-21 17:47:40 -0700 | [diff] [blame] | 729 | if (transport_connection_is_tx_paced (tc)) |
| 730 | spacer_update_bucket (&tc->pacer, bytes); |
| 731 | } |
| 732 | |
| 733 | void |
Florin Coras | e55a6d7 | 2018-10-31 23:09:22 -0700 | [diff] [blame] | 734 | transport_connection_tx_pacer_update_bytes (transport_connection_t * tc, |
| 735 | u32 bytes) |
| 736 | { |
| 737 | spacer_update_bucket (&tc->pacer, bytes); |
| 738 | } |
| 739 | |
| 740 | void |
Florin Coras | 70f879d | 2020-03-13 17:54:42 +0000 | [diff] [blame] | 741 | transport_connection_reschedule (transport_connection_t * tc) |
| 742 | { |
| 743 | tc->flags &= ~TRANSPORT_CONNECTION_F_DESCHED; |
Florin Coras | 6080e0d | 2020-03-13 20:39:43 +0000 | [diff] [blame] | 744 | transport_connection_tx_pacer_reset_bucket (tc, TRANSPORT_PACER_MIN_BURST); |
Florin Coras | 70f879d | 2020-03-13 17:54:42 +0000 | [diff] [blame] | 745 | if (transport_max_tx_dequeue (tc)) |
| 746 | sesssion_reschedule_tx (tc); |
| 747 | else |
| 748 | { |
| 749 | session_t *s = session_get (tc->s_index, tc->thread_index); |
| 750 | svm_fifo_unset_event (s->tx_fifo); |
| 751 | if (svm_fifo_max_dequeue_cons (s->tx_fifo)) |
| 752 | if (svm_fifo_set_event (s->tx_fifo)) |
| 753 | sesssion_reschedule_tx (tc); |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | void |
Florin Coras | a8e71c8 | 2019-10-22 19:01:39 -0700 | [diff] [blame] | 758 | transport_update_time (clib_time_type_t time_now, u8 thread_index) |
Florin Coras | 561af9b | 2017-12-09 10:19:43 -0800 | [diff] [blame] | 759 | { |
| 760 | transport_proto_vft_t *vft; |
| 761 | vec_foreach (vft, tp_vfts) |
| 762 | { |
| 763 | if (vft->update_time) |
| 764 | (vft->update_time) (time_now, thread_index); |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | void |
| 769 | transport_enable_disable (vlib_main_t * vm, u8 is_en) |
| 770 | { |
| 771 | transport_proto_vft_t *vft; |
| 772 | vec_foreach (vft, tp_vfts) |
| 773 | { |
| 774 | if (vft->enable) |
| 775 | (vft->enable) (vm, is_en); |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | void |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 780 | transport_init (void) |
| 781 | { |
| 782 | vlib_thread_main_t *vtm = vlib_get_thread_main (); |
Florin Coras | 31c9955 | 2019-03-01 13:00:58 -0800 | [diff] [blame] | 783 | session_main_t *smm = vnet_get_session_main (); |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 784 | u32 num_threads; |
| 785 | |
Florin Coras | 93e6580 | 2017-11-29 00:07:11 -0500 | [diff] [blame] | 786 | if (smm->local_endpoints_table_buckets == 0) |
| 787 | smm->local_endpoints_table_buckets = 250000; |
| 788 | if (smm->local_endpoints_table_memory == 0) |
| 789 | smm->local_endpoints_table_memory = 512 << 20; |
| 790 | |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 791 | /* Initialize [port-allocator] random number seed */ |
| 792 | port_allocator_seed = (u32) clib_cpu_time_now (); |
| 793 | |
| 794 | clib_bihash_init_24_8 (&local_endpoints_table, "local endpoints table", |
Florin Coras | 93e6580 | 2017-11-29 00:07:11 -0500 | [diff] [blame] | 795 | smm->local_endpoints_table_buckets, |
| 796 | smm->local_endpoints_table_memory); |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 797 | num_threads = 1 /* main thread */ + vtm->n_threads; |
| 798 | if (num_threads > 1) |
| 799 | clib_spinlock_init (&local_endpoints_lock); |
| 800 | } |
| 801 | |
| 802 | /* |
| 803 | * fd.io coding-style-patch-verification: ON |
| 804 | * |
| 805 | * Local Variables: |
| 806 | * eval: (c-set-style "gnu") |
| 807 | * End: |
| 808 | */ |