Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: Apache-2.0 |
| 2 | * Copyright (c) 2023 Cisco Systems, Inc. |
| 3 | */ |
| 4 | |
| 5 | #include <vnet/vnet.h> |
| 6 | #include <vnet/ethernet/ethernet.h> |
| 7 | #include <vnet/dev/dev.h> |
| 8 | #include <vnet/dev/counters.h> |
| 9 | #include <vnet/dev/log.h> |
| 10 | |
| 11 | VLIB_REGISTER_LOG_CLASS (dev_log, static) = { |
| 12 | .class_name = "dev", |
| 13 | .subclass_name = "port", |
| 14 | }; |
| 15 | |
| 16 | static uword |
| 17 | dummy_input_fn (vlib_main_t *vm, vlib_node_runtime_t *node, |
| 18 | vlib_frame_t *frame) |
| 19 | { |
| 20 | ASSERT (0); |
| 21 | return 0; |
| 22 | } |
| 23 | |
| 24 | VLIB_REGISTER_NODE (port_rx_eth_node) = { |
| 25 | .function = dummy_input_fn, |
| 26 | .name = "port-rx-eth", |
| 27 | .runtime_data_bytes = sizeof (vnet_dev_rx_node_runtime_t), |
| 28 | .type = VLIB_NODE_TYPE_INPUT, |
| 29 | .state = VLIB_NODE_STATE_DISABLED, |
| 30 | .n_next_nodes = VNET_DEV_ETH_RX_PORT_N_NEXTS, |
| 31 | .next_nodes = { |
| 32 | #define _(n, s) [VNET_DEV_ETH_RX_PORT_NEXT_##n] = s, |
| 33 | foreach_vnet_dev_port_rx_next |
| 34 | #undef _ |
| 35 | }, |
| 36 | }; |
| 37 | |
| 38 | u16 vnet_dev_default_next_index_by_port_type[] = { |
| 39 | [VNET_DEV_PORT_TYPE_ETHERNET] = VNET_DEV_ETH_RX_PORT_NEXT_ETH_INPUT, |
| 40 | }; |
| 41 | |
| 42 | VNET_FEATURE_ARC_INIT (eth_port_rx, static) = { |
| 43 | .arc_name = "port-rx-eth", |
| 44 | .start_nodes = VNET_FEATURES ("port-rx-eth"), |
| 45 | .last_in_arc = "ethernet-input", |
| 46 | .arc_index_ptr = &vnet_dev_main.eth_port_rx_feature_arc_index, |
| 47 | }; |
| 48 | |
| 49 | VNET_FEATURE_INIT (l2_patch, static) = { |
| 50 | .arc_name = "port-rx-eth", |
| 51 | .node_name = "l2-patch", |
| 52 | .runs_before = VNET_FEATURES ("ethernet-input"), |
| 53 | }; |
| 54 | |
| 55 | VNET_FEATURE_INIT (worker_handoff, static) = { |
| 56 | .arc_name = "port-rx-eth", |
| 57 | .node_name = "worker-handoff", |
| 58 | .runs_before = VNET_FEATURES ("ethernet-input"), |
| 59 | }; |
| 60 | |
| 61 | VNET_FEATURE_INIT (span_input, static) = { |
| 62 | .arc_name = "port-rx-eth", |
| 63 | .node_name = "span-input", |
| 64 | .runs_before = VNET_FEATURES ("ethernet-input"), |
| 65 | }; |
| 66 | |
| 67 | VNET_FEATURE_INIT (p2p_ethernet_node, static) = { |
| 68 | .arc_name = "port-rx-eth", |
| 69 | .node_name = "p2p-ethernet-input", |
| 70 | .runs_before = VNET_FEATURES ("ethernet-input"), |
| 71 | }; |
| 72 | |
| 73 | VNET_FEATURE_INIT (ethernet_input, static) = { |
| 74 | .arc_name = "port-rx-eth", |
| 75 | .node_name = "ethernet-input", |
| 76 | .runs_before = 0, /* not before any other features */ |
| 77 | }; |
| 78 | |
| 79 | void |
| 80 | vnet_dev_port_free (vlib_main_t *vm, vnet_dev_port_t *port) |
| 81 | { |
| 82 | vnet_dev_t *dev = port->dev; |
| 83 | |
| 84 | vnet_dev_port_validate (vm, port); |
| 85 | |
| 86 | ASSERT (port->started == 0); |
| 87 | |
| 88 | log_debug (dev, "port %u", port->port_id); |
| 89 | |
| 90 | if (port->port_ops.free) |
| 91 | port->port_ops.free (vm, port); |
| 92 | |
| 93 | pool_free (port->secondary_hw_addr); |
| 94 | pool_free (port->rx_queues); |
| 95 | pool_free (port->tx_queues); |
Damjan Marion | 69768d9 | 2023-11-13 17:33:32 +0000 | [diff] [blame] | 96 | vnet_dev_arg_free (&port->args); |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 97 | pool_put_index (dev->ports, port->index); |
| 98 | clib_mem_free (port); |
| 99 | } |
| 100 | |
| 101 | void |
| 102 | vnet_dev_port_update_tx_node_runtime (vlib_main_t *vm, vnet_dev_port_t *port) |
| 103 | { |
| 104 | vnet_dev_port_validate (vm, port); |
| 105 | |
| 106 | foreach_vnet_dev_port_tx_queue (q, port) |
| 107 | { |
| 108 | u32 ti; |
| 109 | clib_bitmap_foreach (ti, q->assigned_threads) |
| 110 | { |
| 111 | vlib_main_t *tvm = vlib_get_main_by_index (ti); |
| 112 | vlib_node_runtime_t *nr = |
| 113 | vlib_node_get_runtime (tvm, port->intf.tx_node_index); |
| 114 | vnet_dev_tx_node_runtime_t *tnr = vnet_dev_get_tx_node_runtime (nr); |
| 115 | tnr->hw_if_index = port->intf.hw_if_index; |
| 116 | tnr->tx_queue = q; |
| 117 | } |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | void |
| 122 | vnet_dev_port_stop (vlib_main_t *vm, vnet_dev_port_t *port) |
| 123 | { |
| 124 | vnet_dev_t *dev = port->dev; |
| 125 | vnet_dev_rt_op_t *ops = 0; |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 126 | u16 n_threads = vlib_get_n_threads (); |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 127 | |
| 128 | log_debug (dev, "stopping port %u", port->port_id); |
| 129 | |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 130 | for (u16 i = 0; i < n_threads; i++) |
| 131 | { |
| 132 | vnet_dev_rt_op_t op = { .thread_index = i, .port = port }; |
| 133 | vec_add1 (ops, op); |
| 134 | } |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 135 | |
| 136 | vnet_dev_rt_exec_ops (vm, dev, ops, vec_len (ops)); |
| 137 | vec_free (ops); |
| 138 | |
| 139 | port->port_ops.stop (vm, port); |
| 140 | |
| 141 | foreach_vnet_dev_port_rx_queue (q, port) |
| 142 | { |
| 143 | q->started = 0; |
| 144 | log_debug (dev, "port %u rx queue %u stopped", port->port_id, |
| 145 | q->queue_id); |
| 146 | } |
| 147 | |
| 148 | foreach_vnet_dev_port_tx_queue (q, port) |
| 149 | { |
| 150 | q->started = 0; |
| 151 | log_debug (dev, "port %u tx queue %u stopped", port->port_id, |
| 152 | q->queue_id); |
| 153 | } |
| 154 | |
| 155 | log_debug (dev, "port %u stopped", port->port_id); |
| 156 | port->started = 0; |
| 157 | } |
| 158 | |
| 159 | vnet_dev_rv_t |
| 160 | vnet_dev_port_start_all_rx_queues (vlib_main_t *vm, vnet_dev_port_t *port) |
| 161 | { |
| 162 | vnet_dev_rv_t rv = VNET_DEV_OK; |
| 163 | |
| 164 | vnet_dev_port_validate (vm, port); |
| 165 | |
| 166 | foreach_vnet_dev_port_rx_queue (q, port) |
| 167 | { |
| 168 | rv = vnet_dev_rx_queue_start (vm, q); |
| 169 | if (rv != VNET_DEV_OK) |
| 170 | return rv; |
| 171 | } |
| 172 | return rv; |
| 173 | } |
| 174 | |
| 175 | vnet_dev_rv_t |
| 176 | vnet_dev_port_start_all_tx_queues (vlib_main_t *vm, vnet_dev_port_t *port) |
| 177 | { |
| 178 | vnet_dev_rv_t rv = VNET_DEV_OK; |
| 179 | |
| 180 | vnet_dev_port_validate (vm, port); |
| 181 | |
| 182 | foreach_vnet_dev_port_tx_queue (q, port) |
| 183 | { |
| 184 | rv = vnet_dev_tx_queue_start (vm, q); |
| 185 | if (rv != VNET_DEV_OK) |
| 186 | return rv; |
| 187 | } |
| 188 | return rv; |
| 189 | } |
| 190 | |
| 191 | vnet_dev_rv_t |
| 192 | vnet_dev_port_start (vlib_main_t *vm, vnet_dev_port_t *port) |
| 193 | { |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 194 | u16 n_threads = vlib_get_n_threads (); |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 195 | vnet_dev_t *dev = port->dev; |
| 196 | vnet_dev_rt_op_t *ops = 0; |
| 197 | vnet_dev_rv_t rv; |
| 198 | |
| 199 | vnet_dev_port_validate (vm, port); |
| 200 | |
| 201 | log_debug (dev, "starting port %u", port->port_id); |
| 202 | |
| 203 | vnet_dev_port_update_tx_node_runtime (vm, port); |
| 204 | |
| 205 | if ((rv = port->port_ops.start (vm, port)) != VNET_DEV_OK) |
| 206 | { |
| 207 | vnet_dev_port_stop (vm, port); |
| 208 | return rv; |
| 209 | } |
| 210 | |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 211 | for (u16 i = 0; i < n_threads; i++) |
| 212 | { |
| 213 | vnet_dev_rt_op_t op = { .thread_index = i, .port = port }; |
| 214 | vec_add1 (ops, op); |
| 215 | } |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 216 | |
| 217 | vnet_dev_rt_exec_ops (vm, dev, ops, vec_len (ops)); |
| 218 | vec_free (ops); |
| 219 | |
| 220 | foreach_vnet_dev_port_rx_queue (q, port) |
| 221 | if (q->enabled) |
| 222 | { |
| 223 | log_debug (dev, "port %u rx queue %u started", port->port_id, |
| 224 | q->queue_id); |
| 225 | q->started = 1; |
| 226 | } |
| 227 | |
| 228 | foreach_vnet_dev_port_tx_queue (q, port) |
| 229 | if (q->enabled) |
| 230 | { |
| 231 | log_debug (dev, "port %u tx queue %u started", port->port_id, |
| 232 | q->queue_id); |
| 233 | q->started = 1; |
| 234 | } |
| 235 | |
| 236 | port->started = 1; |
| 237 | log_debug (dev, "port %u started", port->port_id); |
| 238 | |
| 239 | return VNET_DEV_OK; |
| 240 | } |
| 241 | |
| 242 | vnet_dev_rv_t |
| 243 | vnet_dev_port_add (vlib_main_t *vm, vnet_dev_t *dev, vnet_dev_port_id_t id, |
| 244 | vnet_dev_port_add_args_t *args) |
| 245 | { |
| 246 | vnet_dev_port_t **pp, *port; |
| 247 | vnet_dev_rv_t rv = VNET_DEV_OK; |
| 248 | |
| 249 | ASSERT (args->port.attr.type != VNET_DEV_PORT_TYPE_UNKNOWN); |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 250 | ASSERT (args->port.attr.max_supported_rx_frame_size); |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 251 | |
| 252 | port = |
| 253 | vnet_dev_alloc_with_data (sizeof (vnet_dev_port_t), args->port.data_size); |
| 254 | pool_get (dev->ports, pp); |
| 255 | pp[0] = port; |
| 256 | clib_memcpy (vnet_dev_get_port_data (port), args->port.initial_data, |
| 257 | args->port.data_size); |
| 258 | port->port_id = id; |
| 259 | port->index = pp - dev->ports; |
| 260 | port->dev = dev; |
| 261 | port->attr = args->port.attr; |
| 262 | port->rx_queue_config = args->rx_queue.config; |
| 263 | port->tx_queue_config = args->tx_queue.config; |
| 264 | port->rx_queue_ops = args->rx_queue.ops; |
| 265 | port->tx_queue_ops = args->tx_queue.ops; |
| 266 | port->port_ops = args->port.ops; |
| 267 | port->rx_node = *args->rx_node; |
| 268 | port->tx_node = *args->tx_node; |
| 269 | |
Damjan Marion | 07a62cc | 2023-11-16 19:14:12 +0000 | [diff] [blame] | 270 | if (args->port.args) |
| 271 | for (vnet_dev_arg_t *a = args->port.args; a->type != VNET_DEV_ARG_END; a++) |
| 272 | vec_add1 (port->args, *a); |
Damjan Marion | 69768d9 | 2023-11-13 17:33:32 +0000 | [diff] [blame] | 273 | |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 274 | /* defaults out of port attributes */ |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 275 | port->max_rx_frame_size = args->port.attr.max_supported_rx_frame_size; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 276 | port->primary_hw_addr = args->port.attr.hw_addr; |
| 277 | |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 278 | if (port->attr.type == VNET_DEV_PORT_TYPE_ETHERNET) |
| 279 | { |
| 280 | if (port->max_rx_frame_size > 1514 && |
| 281 | port->attr.caps.change_max_rx_frame_size) |
| 282 | port->max_rx_frame_size = 1514; |
| 283 | } |
| 284 | |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 285 | if (port->port_ops.alloc) |
| 286 | rv = port->port_ops.alloc (vm, port); |
| 287 | |
| 288 | if (rv == VNET_DEV_OK) |
| 289 | port->initialized = 1; |
| 290 | |
| 291 | return rv; |
| 292 | } |
| 293 | |
| 294 | vnet_dev_rv_t |
| 295 | vnet_dev_port_cfg_change_req_validate (vlib_main_t *vm, vnet_dev_port_t *port, |
| 296 | vnet_dev_port_cfg_change_req_t *req) |
| 297 | { |
| 298 | vnet_dev_rv_t rv; |
| 299 | vnet_dev_hw_addr_t *addr; |
| 300 | int found; |
| 301 | |
| 302 | if (req->validated) |
| 303 | return VNET_DEV_OK; |
| 304 | |
| 305 | switch (req->type) |
| 306 | { |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 307 | case VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE: |
| 308 | if (req->max_rx_frame_size > port->attr.max_supported_rx_frame_size) |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 309 | return VNET_DEV_ERR_INVALID_VALUE; |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 310 | if (req->max_rx_frame_size == port->max_rx_frame_size) |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 311 | return VNET_DEV_ERR_NO_CHANGE; |
| 312 | break; |
| 313 | |
| 314 | case VNET_DEV_PORT_CFG_PROMISC_MODE: |
| 315 | if (req->promisc == port->promisc) |
| 316 | return VNET_DEV_ERR_NO_CHANGE; |
| 317 | break; |
| 318 | |
| 319 | case VNET_DEV_PORT_CFG_CHANGE_PRIMARY_HW_ADDR: |
| 320 | if (clib_memcmp (&req->addr, &port->primary_hw_addr, |
| 321 | sizeof (vnet_dev_hw_addr_t)) == 0) |
| 322 | return VNET_DEV_ERR_NO_CHANGE; |
| 323 | break; |
| 324 | |
| 325 | case VNET_DEV_PORT_CFG_ADD_SECONDARY_HW_ADDR: |
| 326 | pool_foreach (addr, port->secondary_hw_addr) |
| 327 | if (clib_memcmp (addr, &req->addr, sizeof (*addr)) == 0) |
| 328 | return VNET_DEV_ERR_ALREADY_EXISTS; |
| 329 | break; |
| 330 | |
| 331 | case VNET_DEV_PORT_CFG_REMOVE_SECONDARY_HW_ADDR: |
| 332 | found = 0; |
| 333 | pool_foreach (addr, port->secondary_hw_addr) |
| 334 | if (clib_memcmp (addr, &req->addr, sizeof (*addr)) == 0) |
| 335 | found = 1; |
| 336 | if (!found) |
| 337 | return VNET_DEV_ERR_NO_SUCH_ENTRY; |
| 338 | break; |
| 339 | |
| 340 | default: |
| 341 | break; |
| 342 | } |
| 343 | |
| 344 | if (port->port_ops.config_change_validate) |
| 345 | { |
| 346 | rv = port->port_ops.config_change_validate (vm, port, req); |
| 347 | if (rv != VNET_DEV_OK) |
| 348 | return rv; |
| 349 | } |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 350 | else |
| 351 | return VNET_DEV_ERR_NOT_SUPPORTED; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 352 | |
| 353 | req->validated = 1; |
| 354 | return VNET_DEV_OK; |
| 355 | } |
| 356 | |
| 357 | vnet_dev_rv_t |
| 358 | vnet_dev_port_cfg_change (vlib_main_t *vm, vnet_dev_port_t *port, |
| 359 | vnet_dev_port_cfg_change_req_t *req) |
| 360 | { |
| 361 | vnet_dev_rv_t rv = VNET_DEV_OK; |
| 362 | vnet_dev_hw_addr_t *a; |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 363 | vnet_dev_rx_queue_t *rxq = 0; |
| 364 | u8 enable = 0; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 365 | |
| 366 | vnet_dev_port_validate (vm, port); |
| 367 | |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 368 | if (req->type == VNET_DEV_PORT_CFG_RXQ_INTR_MODE_ENABLE || |
| 369 | req->type == VNET_DEV_PORT_CFG_RXQ_INTR_MODE_DISABLE) |
| 370 | { |
| 371 | if (req->all_queues == 0) |
| 372 | { |
| 373 | rxq = vnet_dev_port_get_rx_queue_by_id (port, req->queue_id); |
| 374 | if (rxq == 0) |
| 375 | return VNET_DEV_ERR_BUG; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | if ((rv = vnet_dev_port_cfg_change_req_validate (vm, port, req))) |
| 380 | return rv; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 381 | |
| 382 | if (port->port_ops.config_change) |
| 383 | rv = port->port_ops.config_change (vm, port, req); |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 384 | else |
| 385 | return VNET_DEV_ERR_NOT_SUPPORTED; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 386 | |
| 387 | if (rv != VNET_DEV_OK) |
| 388 | return rv; |
| 389 | |
| 390 | switch (req->type) |
| 391 | { |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 392 | case VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE: |
| 393 | port->max_rx_frame_size = req->max_rx_frame_size; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 394 | break; |
| 395 | |
| 396 | case VNET_DEV_PORT_CFG_PROMISC_MODE: |
| 397 | port->promisc = req->promisc; |
| 398 | break; |
| 399 | |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 400 | case VNET_DEV_PORT_CFG_RXQ_INTR_MODE_ENABLE: |
| 401 | enable = 1; |
| 402 | case VNET_DEV_PORT_CFG_RXQ_INTR_MODE_DISABLE: |
| 403 | if (req->all_queues) |
| 404 | { |
| 405 | clib_bitmap_t *bmp = 0; |
| 406 | vnet_dev_rt_op_t *ops = 0; |
| 407 | u32 i; |
| 408 | |
| 409 | foreach_vnet_dev_port_rx_queue (q, port) |
| 410 | { |
| 411 | q->interrupt_mode = enable; |
| 412 | bmp = clib_bitmap_set (bmp, q->rx_thread_index, 1); |
| 413 | } |
| 414 | |
| 415 | clib_bitmap_foreach (i, bmp) |
| 416 | { |
| 417 | vnet_dev_rt_op_t op = { .port = port, .thread_index = i }; |
| 418 | vec_add1 (ops, op); |
| 419 | } |
| 420 | |
| 421 | vnet_dev_rt_exec_ops (vm, port->dev, ops, vec_len (ops)); |
| 422 | clib_bitmap_free (bmp); |
| 423 | vec_free (ops); |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | rxq->interrupt_mode = enable; |
| 428 | vnet_dev_rt_exec_ops (vm, port->dev, |
| 429 | &(vnet_dev_rt_op_t){ |
| 430 | .port = port, |
| 431 | .thread_index = rxq->rx_thread_index, |
| 432 | }, |
| 433 | 1); |
| 434 | } |
| 435 | break; |
| 436 | |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 437 | case VNET_DEV_PORT_CFG_CHANGE_PRIMARY_HW_ADDR: |
| 438 | clib_memcpy (&port->primary_hw_addr, &req->addr, |
| 439 | sizeof (vnet_dev_hw_addr_t)); |
| 440 | break; |
| 441 | |
| 442 | case VNET_DEV_PORT_CFG_ADD_SECONDARY_HW_ADDR: |
| 443 | pool_get (port->secondary_hw_addr, a); |
| 444 | clib_memcpy (a, &req->addr, sizeof (vnet_dev_hw_addr_t)); |
| 445 | break; |
| 446 | |
| 447 | case VNET_DEV_PORT_CFG_REMOVE_SECONDARY_HW_ADDR: |
| 448 | pool_foreach (a, port->secondary_hw_addr) |
| 449 | if (clib_memcmp (a, &req->addr, sizeof (vnet_dev_hw_addr_t)) == 0) |
| 450 | { |
| 451 | pool_put (port->secondary_hw_addr, a); |
| 452 | break; |
| 453 | } |
| 454 | break; |
| 455 | |
| 456 | default: |
| 457 | break; |
| 458 | } |
| 459 | |
| 460 | return VNET_DEV_OK; |
| 461 | } |
| 462 | |
| 463 | void |
| 464 | vnet_dev_port_state_change (vlib_main_t *vm, vnet_dev_port_t *port, |
| 465 | vnet_dev_port_state_changes_t changes) |
| 466 | { |
| 467 | vnet_main_t *vnm = vnet_get_main (); |
| 468 | |
| 469 | vnet_dev_port_validate (vm, port); |
| 470 | |
| 471 | if (changes.change.link_speed) |
| 472 | { |
| 473 | port->speed = changes.link_speed; |
| 474 | if (port->interface_created) |
| 475 | vnet_hw_interface_set_link_speed (vnm, port->intf.hw_if_index, |
| 476 | changes.link_speed); |
| 477 | log_debug (port->dev, "port speed changed to %u", changes.link_speed); |
| 478 | } |
| 479 | |
| 480 | if (changes.change.link_state) |
| 481 | { |
| 482 | port->link_up = changes.link_state; |
| 483 | if (port->interface_created) |
| 484 | vnet_hw_interface_set_flags ( |
| 485 | vnm, port->intf.hw_if_index, |
| 486 | changes.link_state ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0); |
| 487 | log_debug (port->dev, "port link state changed to %s", |
| 488 | changes.link_state ? "up" : "down"); |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | void |
| 493 | vnet_dev_port_add_counters (vlib_main_t *vm, vnet_dev_port_t *port, |
| 494 | vnet_dev_counter_t *counters, u16 n_counters) |
| 495 | { |
| 496 | vnet_dev_port_validate (vm, port); |
| 497 | |
| 498 | port->counter_main = |
| 499 | vnet_dev_counters_alloc (vm, counters, n_counters, "%s port %u counters", |
| 500 | port->dev->device_id, port->port_id); |
| 501 | } |
| 502 | |
| 503 | void |
| 504 | vnet_dev_port_free_counters (vlib_main_t *vm, vnet_dev_port_t *port) |
| 505 | { |
| 506 | vnet_dev_port_validate (vm, port); |
| 507 | |
| 508 | if (port->counter_main) |
| 509 | vnet_dev_counters_free (vm, port->counter_main); |
| 510 | } |
| 511 | |
| 512 | vnet_dev_rv_t |
| 513 | vnet_dev_port_if_create (vlib_main_t *vm, vnet_dev_port_t *port) |
| 514 | { |
| 515 | vnet_main_t *vnm = vnet_get_main (); |
| 516 | u16 n_threads = vlib_get_n_threads (); |
| 517 | vnet_dev_main_t *dm = &vnet_dev_main; |
| 518 | vnet_dev_t *dev = port->dev; |
| 519 | vnet_dev_port_t **pp; |
| 520 | vnet_dev_rv_t rv; |
| 521 | u16 ti = 0; |
| 522 | |
| 523 | if (port->intf.name[0] == 0) |
| 524 | { |
| 525 | u8 *s; |
| 526 | s = format (0, "%s%u/%u", |
| 527 | dm->drivers[port->dev->driver_index].registration->name, |
| 528 | port->dev->index, port->index); |
| 529 | u32 n = vec_len (s); |
| 530 | |
| 531 | if (n >= sizeof (port->intf.name)) |
| 532 | { |
| 533 | vec_free (s); |
| 534 | return VNET_DEV_ERR_BUG; |
| 535 | } |
| 536 | clib_memcpy (port->intf.name, s, n); |
| 537 | port->intf.name[n] = 0; |
| 538 | vec_free (s); |
| 539 | } |
| 540 | |
| 541 | log_debug ( |
| 542 | dev, "allocating %u rx queues with size %u and %u tx queues with size %u", |
| 543 | port->intf.num_rx_queues, port->intf.rxq_sz, port->intf.num_tx_queues, |
| 544 | port->intf.txq_sz); |
| 545 | |
| 546 | for (int i = 0; i < port->intf.num_rx_queues; i++) |
| 547 | if ((rv = vnet_dev_rx_queue_alloc (vm, port, port->intf.rxq_sz)) != |
| 548 | VNET_DEV_OK) |
| 549 | goto error; |
| 550 | |
| 551 | for (u32 i = 0; i < port->intf.num_tx_queues; i++) |
| 552 | if ((rv = vnet_dev_tx_queue_alloc (vm, port, port->intf.txq_sz)) != |
| 553 | VNET_DEV_OK) |
| 554 | goto error; |
| 555 | |
| 556 | foreach_vnet_dev_port_tx_queue (q, port) |
| 557 | { |
| 558 | q->assigned_threads = clib_bitmap_set (q->assigned_threads, ti, 1); |
| 559 | log_debug (dev, "port %u tx queue %u assigned to thread %u", |
| 560 | port->port_id, q->queue_id, ti); |
| 561 | if (++ti >= n_threads) |
| 562 | break; |
| 563 | } |
| 564 | |
| 565 | /* pool of port pointers helps us to assign unique dev_instance */ |
| 566 | pool_get (dm->ports_by_dev_instance, pp); |
| 567 | port->intf.dev_instance = pp - dm->ports_by_dev_instance; |
| 568 | pp[0] = port; |
| 569 | |
| 570 | if (port->attr.type == VNET_DEV_PORT_TYPE_ETHERNET) |
| 571 | { |
| 572 | vnet_device_class_t *dev_class; |
| 573 | vnet_dev_driver_t *driver; |
| 574 | vnet_sw_interface_t *sw; |
| 575 | vnet_hw_interface_t *hw; |
Damjan Marion | d1eb1b7 | 2023-12-07 16:40:02 +0100 | [diff] [blame] | 576 | vnet_hw_if_caps_t caps = 0; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 577 | u32 rx_node_index; |
| 578 | |
| 579 | driver = pool_elt_at_index (dm->drivers, dev->driver_index); |
| 580 | |
| 581 | /* hack to provide per-port tx node function */ |
| 582 | dev_class = vnet_get_device_class (vnm, driver->dev_class_index); |
| 583 | dev_class->tx_fn_registrations = port->tx_node.registrations; |
| 584 | dev_class->format_tx_trace = port->tx_node.format_trace; |
| 585 | dev_class->tx_function_error_counters = port->tx_node.error_counters; |
| 586 | dev_class->tx_function_n_errors = port->tx_node.n_error_counters; |
| 587 | |
| 588 | /* create new interface including tx and output nodes */ |
| 589 | port->intf.hw_if_index = vnet_eth_register_interface ( |
| 590 | vnm, &(vnet_eth_interface_registration_t){ |
| 591 | .address = port->primary_hw_addr.eth_mac, |
Damjan Marion | e596ca1 | 2023-11-08 19:12:27 +0000 | [diff] [blame] | 592 | .max_frame_size = port->max_rx_frame_size, |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 593 | .dev_class_index = driver->dev_class_index, |
| 594 | .dev_instance = port->intf.dev_instance, |
| 595 | .cb.set_max_frame_size = vnet_dev_port_set_max_frame_size, |
| 596 | .cb.flag_change = vnet_dev_port_eth_flag_change, |
| 597 | }); |
| 598 | |
| 599 | sw = vnet_get_hw_sw_interface (vnm, port->intf.hw_if_index); |
| 600 | hw = vnet_get_hw_interface (vnm, port->intf.hw_if_index); |
| 601 | port->intf.sw_if_index = sw->sw_if_index; |
| 602 | vnet_hw_interface_set_flags ( |
| 603 | vnm, port->intf.hw_if_index, |
| 604 | port->link_up ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0); |
| 605 | if (port->speed) |
| 606 | vnet_hw_interface_set_link_speed (vnm, port->intf.hw_if_index, |
| 607 | port->speed); |
| 608 | |
| 609 | port->intf.tx_node_index = hw->tx_node_index; |
| 610 | |
Damjan Marion | d1eb1b7 | 2023-12-07 16:40:02 +0100 | [diff] [blame] | 611 | caps |= port->attr.caps.interrupt_mode ? VNET_HW_IF_CAP_INT_MODE : 0; |
| 612 | caps |= port->attr.caps.mac_filter ? VNET_HW_IF_CAP_MAC_FILTER : 0; |
| 613 | caps |= port->attr.tx_offloads.tcp_gso ? VNET_HW_IF_CAP_TCP_GSO : 0; |
| 614 | caps |= port->attr.tx_offloads.ip4_cksum ? VNET_HW_IF_CAP_TX_CKSUM : 0; |
| 615 | |
| 616 | if (caps) |
| 617 | vnet_hw_if_set_caps (vnm, port->intf.hw_if_index, caps); |
| 618 | |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 619 | /* create / reuse rx node */ |
| 620 | if (vec_len (dm->free_rx_node_indices)) |
| 621 | { |
| 622 | vlib_node_t *n; |
| 623 | rx_node_index = vec_pop (dm->free_rx_node_indices); |
| 624 | vlib_node_rename (vm, rx_node_index, "%s-rx", port->intf.name); |
| 625 | n = vlib_get_node (vm, rx_node_index); |
| 626 | n->function = vlib_node_get_preferred_node_fn_variant ( |
| 627 | vm, port->rx_node.registrations); |
| 628 | n->format_trace = port->rx_node.format_trace; |
| 629 | vlib_register_errors (vm, rx_node_index, |
| 630 | port->rx_node.n_error_counters, 0, |
| 631 | port->rx_node.error_counters); |
| 632 | } |
| 633 | else |
| 634 | { |
| 635 | dev_class->format_tx_trace = port->tx_node.format_trace; |
| 636 | dev_class->tx_function_error_counters = port->tx_node.error_counters; |
| 637 | dev_class->tx_function_n_errors = port->tx_node.n_error_counters; |
| 638 | vlib_node_registration_t rx_node_reg = { |
| 639 | .sibling_of = "port-rx-eth", |
| 640 | .type = VLIB_NODE_TYPE_INPUT, |
| 641 | .state = VLIB_NODE_STATE_DISABLED, |
| 642 | .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED, |
| 643 | .node_fn_registrations = port->rx_node.registrations, |
| 644 | .format_trace = port->rx_node.format_trace, |
| 645 | .error_counters = port->rx_node.error_counters, |
| 646 | .n_errors = port->rx_node.n_error_counters, |
| 647 | }; |
| 648 | rx_node_index = |
| 649 | vlib_register_node (vm, &rx_node_reg, "%s-rx", port->intf.name); |
| 650 | } |
| 651 | port->rx_node_assigned = 1; |
| 652 | port->intf.rx_node_index = rx_node_index; |
| 653 | port->intf.rx_next_index = |
| 654 | vnet_dev_default_next_index_by_port_type[port->attr.type]; |
| 655 | |
| 656 | vlib_worker_thread_node_runtime_update (); |
| 657 | log_debug (dev, |
| 658 | "ethernet interface created, hw_if_index %u sw_if_index %u " |
| 659 | "rx_node_index %u tx_node_index %u", |
| 660 | port->intf.hw_if_index, port->intf.sw_if_index, |
| 661 | port->intf.rx_node_index, port->intf.tx_node_index); |
| 662 | } |
| 663 | |
| 664 | port->interface_created = 1; |
| 665 | foreach_vnet_dev_port_rx_queue (q, port) |
| 666 | { |
| 667 | vnet_buffer (&q->buffer_template)->sw_if_index[VLIB_RX] = |
| 668 | port->intf.sw_if_index; |
| 669 | /* poison to catch node not calling runtime update function */ |
| 670 | q->next_index = ~0; |
Damjan Marion | b8dd981 | 2023-11-03 13:47:05 +0000 | [diff] [blame] | 671 | q->interrupt_mode = port->intf.default_is_intr_mode; |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 672 | vnet_dev_rx_queue_rt_request ( |
| 673 | vm, q, (vnet_dev_rx_queue_rt_req_t){ .update_next_index = 1 }); |
| 674 | } |
| 675 | |
| 676 | vnet_dev_port_update_tx_node_runtime (vm, port); |
| 677 | |
| 678 | if (port->port_ops.init) |
| 679 | rv = port->port_ops.init (vm, port); |
| 680 | |
| 681 | error: |
| 682 | if (rv != VNET_DEV_OK) |
| 683 | vnet_dev_port_if_remove (vm, port); |
| 684 | return rv; |
| 685 | } |
| 686 | |
| 687 | vnet_dev_rv_t |
| 688 | vnet_dev_port_if_remove (vlib_main_t *vm, vnet_dev_port_t *port) |
| 689 | { |
| 690 | vnet_dev_main_t *dm = &vnet_dev_main; |
| 691 | vnet_main_t *vnm = vnet_get_main (); |
| 692 | |
| 693 | vnet_dev_port_validate (vm, port); |
| 694 | |
| 695 | if (port->started) |
| 696 | vnet_dev_port_stop (vm, port); |
| 697 | |
| 698 | if (port->rx_node_assigned) |
| 699 | { |
| 700 | vlib_node_rename (vm, port->intf.rx_node_index, "deleted-%u", |
| 701 | port->intf.rx_node_index); |
| 702 | vec_add1 (dm->free_rx_node_indices, port->intf.rx_node_index); |
| 703 | port->rx_node_assigned = 0; |
| 704 | } |
| 705 | |
| 706 | if (port->interface_created) |
| 707 | { |
| 708 | vlib_worker_thread_barrier_sync (vm); |
| 709 | vnet_delete_hw_interface (vnm, port->intf.hw_if_index); |
| 710 | vlib_worker_thread_barrier_release (vm); |
| 711 | pool_put_index (dm->ports_by_dev_instance, port->intf.dev_instance); |
| 712 | port->interface_created = 0; |
| 713 | } |
| 714 | |
| 715 | port->intf = (typeof (port->intf)){}; |
| 716 | |
| 717 | if (port->port_ops.deinit) |
| 718 | port->port_ops.deinit (vm, port); |
| 719 | |
| 720 | foreach_vnet_dev_port_tx_queue (q, port) |
| 721 | vnet_dev_tx_queue_free (vm, q); |
| 722 | |
| 723 | foreach_vnet_dev_port_rx_queue (q, port) |
| 724 | vnet_dev_rx_queue_free (vm, q); |
| 725 | |
| 726 | vnet_dev_port_free_counters (vm, port); |
| 727 | |
Damjan Marion | 69768d9 | 2023-11-13 17:33:32 +0000 | [diff] [blame] | 728 | foreach_vnet_dev_port_args (v, port) |
| 729 | vnet_dev_arg_clear_value (v); |
| 730 | |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 731 | return VNET_DEV_OK; |
| 732 | } |
| 733 | void |
| 734 | vnet_dev_port_clear_counters (vlib_main_t *vm, vnet_dev_port_t *port) |
| 735 | { |
Monendra Singh Kushwaha | 2ea1e2c | 2024-05-21 03:18:26 +0530 | [diff] [blame^] | 736 | if (port->port_ops.clear_counters) |
| 737 | port->port_ops.clear_counters (vm, port); |
| 738 | else if (port->counter_main) |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 739 | vnet_dev_counters_clear (vm, port->counter_main); |
| 740 | |
| 741 | foreach_vnet_dev_port_rx_queue (q, port) |
Monendra Singh Kushwaha | 2ea1e2c | 2024-05-21 03:18:26 +0530 | [diff] [blame^] | 742 | { |
| 743 | if (port->rx_queue_ops.clear_counters) |
| 744 | port->rx_queue_ops.clear_counters (vm, q); |
| 745 | else if (q->counter_main) |
| 746 | vnet_dev_counters_clear (vm, q->counter_main); |
| 747 | } |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 748 | |
| 749 | foreach_vnet_dev_port_tx_queue (q, port) |
Monendra Singh Kushwaha | 2ea1e2c | 2024-05-21 03:18:26 +0530 | [diff] [blame^] | 750 | { |
| 751 | if (port->tx_queue_ops.clear_counters) |
| 752 | port->tx_queue_ops.clear_counters (vm, q); |
| 753 | else if (q->counter_main) |
| 754 | vnet_dev_counters_clear (vm, q->counter_main); |
| 755 | } |
Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 756 | |
| 757 | log_notice (port->dev, "counters cleared on port %u", port->port_id); |
| 758 | } |