Zhimin | 2fbf700 | 2020-05-29 06:01:04 +0800 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (c) 2019 Intel. |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | *******************************************************************************/ |
| 18 | |
| 19 | /** |
| 20 | * @brief This file has all definitions for the Ethernet Data Interface Layer |
| 21 | * @file ethernet.c |
| 22 | * @ingroup group_lte_source_auxlib |
| 23 | * @author Intel Corporation |
| 24 | **/ |
| 25 | |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | #include <string.h> |
| 29 | #include <stdint.h> |
| 30 | #include <unistd.h> |
| 31 | #include <errno.h> |
| 32 | #include <sys/queue.h> |
| 33 | #include <err.h> |
| 34 | #include <assert.h> |
| 35 | |
| 36 | #include <linux/limits.h> |
| 37 | #include <sys/types.h> |
| 38 | #include <stdlib.h> |
| 39 | #include <math.h> |
| 40 | |
| 41 | #include <rte_config.h> |
| 42 | #include <rte_common.h> |
| 43 | #include <rte_log.h> |
| 44 | #include <rte_memory.h> |
| 45 | #include <rte_memcpy.h> |
| 46 | #include <rte_memzone.h> |
| 47 | #include <rte_eal.h> |
| 48 | #include <rte_per_lcore.h> |
| 49 | #include <rte_launch.h> |
| 50 | #include <rte_atomic.h> |
| 51 | #include <rte_cycles.h> |
| 52 | #include <rte_prefetch.h> |
| 53 | #include <rte_lcore.h> |
| 54 | #include <rte_per_lcore.h> |
| 55 | #include <rte_branch_prediction.h> |
| 56 | #include <rte_interrupts.h> |
| 57 | #include <rte_pci.h> |
| 58 | #include <rte_debug.h> |
| 59 | #include <rte_ether.h> |
| 60 | #include <rte_ethdev.h> |
| 61 | #include <rte_ring.h> |
| 62 | #include <rte_mempool.h> |
| 63 | #include <rte_mbuf.h> |
| 64 | #include <rte_errno.h> |
| 65 | |
| 66 | #include "ethernet.h" |
| 67 | #include "ethdi.h" |
| 68 | |
| 69 | /* Our mbuf pools. */ |
| 70 | struct rte_mempool *_eth_mbuf_pool = NULL; |
| 71 | struct rte_mempool *_eth_mbuf_pool_inderect = NULL; |
| 72 | struct rte_mempool *_eth_mbuf_pool_rx = NULL; |
| 73 | struct rte_mempool *_eth_mbuf_pool_small = NULL; |
| 74 | struct rte_mempool *_eth_mbuf_pool_big = NULL; |
| 75 | |
| 76 | struct rte_mempool *socket_direct_pool = NULL; |
| 77 | struct rte_mempool *socket_indirect_pool = NULL; |
| 78 | |
| 79 | |
| 80 | /* |
| 81 | * Make sure the ring indexes are big enough to cover buf space x2 |
| 82 | * This ring-buffer maintains the property head - tail <= RINGSIZE. |
| 83 | * head == tail: ring buffer empty |
| 84 | * head - tail == RINGSIZE: ring buffer full |
| 85 | */ |
| 86 | typedef uint16_t ring_idx; |
| 87 | static struct { |
| 88 | ring_idx head; |
| 89 | ring_idx read_head; |
| 90 | ring_idx tail; |
| 91 | char buf[1024]; /* needs power of 2! */ |
| 92 | } io_ring = { {0}, 0, 0}; |
| 93 | |
| 94 | #define RINGSIZE sizeof(io_ring.buf) |
| 95 | #define RINGMASK (RINGSIZE - 1) |
| 96 | |
| 97 | int __xran_delayed_msg(const char *fmt, ...) |
| 98 | { |
| 99 | #if 0 |
| 100 | va_list ap; |
| 101 | int msg_len; |
| 102 | char localbuf[RINGSIZE]; |
| 103 | ring_idx old_head, new_head; |
| 104 | ring_idx copy_len; |
| 105 | |
| 106 | /* first prep a copy of the message on the local stack */ |
| 107 | va_start(ap, fmt); |
| 108 | msg_len = vsnprintf(localbuf, RINGSIZE, fmt, ap); |
| 109 | va_end(ap); |
| 110 | |
| 111 | /* atomically reserve space in the ring */ |
| 112 | for (;;) { |
| 113 | old_head = io_ring.head; /* snapshot head */ |
| 114 | /* free always within range of [0, RINGSIZE] - proof by induction */ |
| 115 | const ring_idx free = RINGSIZE - (old_head - io_ring.tail); |
| 116 | |
| 117 | copy_len = RTE_MIN(msg_len, free); |
| 118 | if (copy_len <= 0) |
| 119 | return 0; /* vsnprintf error or ringbuff full. Drop log. */ |
| 120 | |
| 121 | new_head = old_head + copy_len; |
| 122 | RTE_ASSERT((ring_idx)(new_head - io_ring.tail) <= RINGSIZE); |
| 123 | |
| 124 | if (likely(__atomic_compare_exchange_n(&io_ring.head, &old_head, |
| 125 | new_head, 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))) |
| 126 | break; |
| 127 | } |
| 128 | |
| 129 | /* Now copy data in at ease. */ |
| 130 | const int copy_start = (old_head & RINGMASK); |
| 131 | if (copy_start < (new_head & RINGMASK)) /* no wrap */ |
| 132 | memcpy(io_ring.buf + copy_start, localbuf, copy_len); |
| 133 | else { /* wrap-around */ |
| 134 | const int chunk_len = RINGSIZE - copy_start; |
| 135 | |
| 136 | memcpy(io_ring.buf + copy_start, localbuf, chunk_len); |
| 137 | memcpy(io_ring.buf, localbuf + chunk_len, copy_len - chunk_len); |
| 138 | } |
| 139 | |
| 140 | /* wait for previous writes to complete before updating read_head. */ |
| 141 | while (io_ring.read_head != old_head) |
| 142 | rte_pause(); |
| 143 | io_ring.read_head = new_head; |
| 144 | |
| 145 | |
| 146 | return copy_len; |
| 147 | #endif |
| 148 | return 0; |
| 149 | } |
| 150 | |
| 151 | /* |
| 152 | * Display part of the message stored in the ring buffer. |
| 153 | * Might require multiple calls to print the full message. |
| 154 | * Will return 0 when nothing left to print. |
| 155 | */ |
| 156 | #if 0 |
| 157 | int xran_show_delayed_message(void) |
| 158 | { |
| 159 | ring_idx tail = io_ring.tail; |
| 160 | ring_idx wlen = io_ring.read_head - tail; /* always within [0, RINGSIZE] */ |
| 161 | |
| 162 | if (wlen <= 0) |
| 163 | return 0; |
| 164 | |
| 165 | tail &= RINGMASK; /* modulo the range down now that we have wlen */ |
| 166 | |
| 167 | /* Make sure we're not going over buffer end. Next call will wrap. */ |
| 168 | if (tail + wlen > RINGSIZE) |
| 169 | wlen = RINGSIZE - tail; |
| 170 | |
| 171 | RTE_ASSERT(tail + wlen <= RINGSIZE); |
| 172 | |
| 173 | /* We use write() here to avoid recaculating string length in fwrite(). */ |
| 174 | const ssize_t written = write(STDOUT_FILENO, io_ring.buf + tail, wlen); |
| 175 | if (written <= 0) |
| 176 | return 0; /* To avoid moving tail the wrong way on error. */ |
| 177 | |
| 178 | /* Move tail up. Only we touch it. And we only print from one core. */ |
| 179 | io_ring.tail += written; |
| 180 | |
| 181 | return written; /* next invocation will print the rest if any */ |
| 182 | } |
| 183 | #endif |
| 184 | |
| 185 | void xran_init_mbuf_pool(void) |
| 186 | { |
| 187 | /* Init the buffer pool */ |
| 188 | if (rte_eal_process_type() == RTE_PROC_PRIMARY) { |
| 189 | _eth_mbuf_pool = rte_pktmbuf_pool_create("mempool", NUM_MBUFS, |
| 190 | MBUF_CACHE, 0, MBUF_POOL_ELEMENT, rte_socket_id()); |
| 191 | #ifdef XRAN_ATTACH_MBUF |
| 192 | _eth_mbuf_pool_inderect = rte_pktmbuf_pool_create("mempool_indirect", NUM_MBUFS, |
| 193 | MBUF_CACHE, 0, MBUF_POOL_ELEMENT, rte_socket_id());*/ |
| 194 | #endif |
| 195 | _eth_mbuf_pool_rx = rte_pktmbuf_pool_create("mempool_rx", NUM_MBUFS, |
| 196 | MBUF_CACHE, 0, MBUF_POOL_ELEMENT, rte_socket_id()); |
| 197 | _eth_mbuf_pool_small = rte_pktmbuf_pool_create("mempool_small", |
| 198 | NUM_MBUFS, MBUF_CACHE, 0, MBUF_POOL_ELM_SMALL, rte_socket_id()); |
| 199 | _eth_mbuf_pool_big = rte_pktmbuf_pool_create("mempool_big", |
| 200 | NUM_MBUFS_BIG, 0, 0, MBUF_POOL_ELM_BIG, rte_socket_id()); |
| 201 | } else { |
| 202 | _eth_mbuf_pool = rte_mempool_lookup("mempool"); |
| 203 | _eth_mbuf_pool_inderect = rte_mempool_lookup("mempool_indirect"); |
| 204 | _eth_mbuf_pool_rx = rte_mempool_lookup("mempool_rx"); |
| 205 | _eth_mbuf_pool_small = rte_mempool_lookup("mempool_small"); |
| 206 | _eth_mbuf_pool_big = rte_mempool_lookup("mempool_big"); |
| 207 | } |
| 208 | if (_eth_mbuf_pool == NULL) |
| 209 | rte_panic("Cannot create mbuf pool: %s\n", rte_strerror(rte_errno)); |
| 210 | #ifdef XRAN_ATTACH_MBUF |
| 211 | if (_eth_mbuf_pool_inderect == NULL) |
| 212 | rte_panic("Cannot create mbuf pool: %s\n", rte_strerror(rte_errno)); |
| 213 | #endif |
| 214 | if (_eth_mbuf_pool_rx == NULL) |
| 215 | rte_panic("Cannot create mbuf pool: %s\n", rte_strerror(rte_errno)); |
| 216 | if (_eth_mbuf_pool_small == NULL) |
| 217 | rte_panic("Cannot create small mbuf pool: %s\n", rte_strerror(rte_errno)); |
| 218 | if (_eth_mbuf_pool_big == NULL) |
| 219 | rte_panic("Cannot create big mbuf pool: %s\n", rte_strerror(rte_errno)); |
| 220 | |
| 221 | if (socket_direct_pool == NULL) |
| 222 | socket_direct_pool = _eth_mbuf_pool; |
| 223 | |
| 224 | if (socket_indirect_pool == NULL) |
| 225 | socket_indirect_pool = _eth_mbuf_pool_inderect; |
| 226 | } |
| 227 | |
| 228 | /* Init NIC port, then start the port */ |
| 229 | void xran_init_port(int p_id, struct ether_addr *p_lls_cu_addr) |
| 230 | { |
| 231 | static uint16_t nb_rxd = BURST_SIZE; |
| 232 | static uint16_t nb_txd = BURST_SIZE; |
| 233 | struct ether_addr addr; |
| 234 | struct rte_eth_rxmode rxmode = |
| 235 | { .split_hdr_size = 0, |
| 236 | .max_rx_pkt_len = MAX_RX_LEN, |
| 237 | .offloads=(DEV_RX_OFFLOAD_JUMBO_FRAME|DEV_RX_OFFLOAD_CRC_STRIP) |
| 238 | }; |
| 239 | struct rte_eth_txmode txmode = { |
| 240 | .mq_mode = ETH_MQ_TX_NONE |
| 241 | }; |
| 242 | struct rte_eth_conf port_conf = { |
| 243 | .rxmode = rxmode, |
| 244 | .txmode = txmode |
| 245 | }; |
| 246 | struct rte_eth_rxconf rxq_conf; |
| 247 | struct rte_eth_txconf txq_conf; |
| 248 | |
| 249 | int ret; |
| 250 | struct rte_eth_dev_info dev_info; |
| 251 | const char *drv_name = ""; |
| 252 | int sock_id = rte_eth_dev_socket_id(p_id); |
| 253 | |
| 254 | rte_eth_dev_info_get(p_id, &dev_info); |
| 255 | if (dev_info.driver_name) |
| 256 | drv_name = dev_info.driver_name; |
| 257 | printf("initializing port %d for TX, drv=%s\n", p_id, drv_name); |
| 258 | |
| 259 | rte_eth_macaddr_get(p_id, &addr); |
| 260 | |
| 261 | printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8 |
| 262 | " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", |
| 263 | (unsigned)p_id, |
| 264 | addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], |
| 265 | addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]); |
| 266 | |
| 267 | /* Init port */ |
| 268 | ret = rte_eth_dev_configure(p_id, 1, 1, &port_conf); |
| 269 | if (ret < 0) |
| 270 | rte_panic("Cannot configure port %u (%d)\n", p_id, ret); |
| 271 | |
| 272 | ret = rte_eth_dev_adjust_nb_rx_tx_desc(p_id, &nb_rxd,&nb_txd); |
| 273 | |
| 274 | if (ret < 0) { |
| 275 | printf("\n"); |
| 276 | rte_exit(EXIT_FAILURE, "Cannot adjust number of " |
| 277 | "descriptors: err=%d, port=%d\n", ret, p_id); |
| 278 | } |
| 279 | printf("Port %u: nb_rxd %d nb_txd %d\n", p_id, nb_rxd, nb_txd); |
| 280 | |
| 281 | /* Init RX queues */ |
| 282 | rxq_conf = dev_info.default_rxconf; |
| 283 | ret = rte_eth_rx_queue_setup(p_id, 0, nb_rxd, |
| 284 | sock_id, &rxq_conf, _eth_mbuf_pool_rx); |
| 285 | if (ret < 0) |
| 286 | rte_panic("Cannot init RX for port %u (%d)\n", |
| 287 | p_id, ret); |
| 288 | |
| 289 | /* Init TX queues */ |
| 290 | txq_conf = dev_info.default_txconf; |
| 291 | ret = rte_eth_tx_queue_setup(p_id, 0, nb_txd, sock_id, &txq_conf); |
| 292 | if (ret < 0) |
| 293 | rte_panic("Cannot init TX for port %u (%d)\n", |
| 294 | p_id, ret); |
| 295 | |
| 296 | /* Start port */ |
| 297 | ret = rte_eth_dev_start(p_id); |
| 298 | if (ret < 0) |
| 299 | rte_panic("Cannot start port %u (%d)\n", p_id, ret); |
| 300 | |
| 301 | // rte_eth_promiscuous_enable(p_id); |
| 302 | } |
| 303 | |
| 304 | #if 0 |
| 305 | void xran_memdump(void *addr, int len) |
| 306 | { |
| 307 | int i; |
| 308 | char tmp_buf[len * 2 + len / 16 + 1]; |
| 309 | char *p = tmp_buf; |
| 310 | |
| 311 | return; |
| 312 | #if 0 |
| 313 | for (i = 0; i < len; ++i) { |
| 314 | sprintf(p, "%.2X ", ((uint8_t *)addr)[i]); |
| 315 | if (i % 16 == 15) |
| 316 | *p++ = '\n'; |
| 317 | } |
| 318 | *p = 0; |
| 319 | nlog("%s", tmp_buf); |
| 320 | #endif |
| 321 | } |
| 322 | |
| 323 | /* Prepend ethernet header, possibly vlan tag. */ |
| 324 | void xran_add_eth_hdr(struct ether_addr *dst, uint16_t ethertype, struct rte_mbuf *mb) |
| 325 | { |
| 326 | /* add in the ethernet header */ |
| 327 | struct ether_hdr *const h = (void *)rte_pktmbuf_prepend(mb, sizeof(*h)); |
| 328 | |
| 329 | PANIC_ON(h == NULL, "mbuf prepend of ether_hdr failed"); |
| 330 | |
| 331 | /* Fill in the ethernet header. */ |
| 332 | rte_eth_macaddr_get(mb->port, &h->s_addr); /* set source addr */ |
| 333 | h->d_addr = *dst; /* set dst addr */ |
| 334 | h->ether_type = rte_cpu_to_be_16(ethertype); /* ethertype too */ |
| 335 | |
| 336 | #if defined(DPDKIO_DEBUG) && DPDKIO_DEBUG > 1 |
| 337 | { |
| 338 | char dst[ETHER_ADDR_FMT_SIZE] = "(empty)"; |
| 339 | char src[ETHER_ADDR_FMT_SIZE] = "(empty)"; |
| 340 | |
| 341 | nlog("*** packet for TX below (len %d) ***", rte_pktmbuf_pkt_len(mb)); |
| 342 | ether_format_addr(src, sizeof(src), &h->s_addr); |
| 343 | ether_format_addr(dst, sizeof(dst), &h->d_addr); |
| 344 | nlog("src: %s dst: %s ethertype: %.4X", src, dst, ethertype); |
| 345 | } |
| 346 | #endif |
| 347 | #ifdef VLAN_SUPPORT |
| 348 | mb->vlan_tci = FLEXRAN_UP_VLAN_TAG; |
| 349 | dlog("Inserting vlan tag of %d", FLEXRAN_UP_VLAN_TAG); |
| 350 | rte_vlan_insert(&mb); |
| 351 | #endif |
| 352 | } |
| 353 | |
| 354 | int xran_send_mbuf(struct ether_addr *dst, struct rte_mbuf *mb) |
| 355 | { |
| 356 | xran_add_eth_hdr(dst, ETHER_TYPE_ETHDI, mb); |
| 357 | |
| 358 | if (rte_eth_tx_burst(mb->port, 0, &mb, 1) == 1) |
| 359 | return 1; |
| 360 | |
| 361 | elog("packet sending failed on port %d", mb->port); |
| 362 | rte_pktmbuf_free(mb); |
| 363 | |
| 364 | return 0; /* fail */ |
| 365 | } |
| 366 | |
| 367 | int xran_send_message_burst(int dst_id, int pkt_type, void *body, int len) |
| 368 | { |
| 369 | struct rte_mbuf *mbufs[BURST_SIZE]; |
| 370 | int i; |
| 371 | uint8_t *src = body; |
| 372 | const struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx(); |
| 373 | |
| 374 | /* We're limited by maximum mbuf size on the receive size. |
| 375 | * We can change this but this would be a bigger rework. */ |
| 376 | RTE_ASSERT(len < MBUF_POOL_ELM_BIG); |
| 377 | |
| 378 | /* Allocate the required number of mbufs. */ |
| 379 | const uint8_t count = ceilf((float)len / MAX_DATA_SIZE); |
| 380 | if (rte_pktmbuf_alloc_bulk(_eth_mbuf_pool, mbufs, count) != 0) |
| 381 | rte_panic("Failed to allocate %d mbufs\n", count); |
| 382 | |
| 383 | nlog("burst transfer with data size %lu", MAX_DATA_SIZE); |
| 384 | for (i = 0; len > 0; ++i) { |
| 385 | char *p; |
| 386 | struct burst_hdr *bhdr; |
| 387 | struct ethdi_hdr *edi_hdr; |
| 388 | |
| 389 | /* Setup the ethdi_hdr. */ |
| 390 | edi_hdr = (void *)rte_pktmbuf_append(mbufs[i], sizeof(*edi_hdr)); |
| 391 | if (edi_hdr == NULL) |
| 392 | rte_panic("append of ethdi_hdr failed\n"); |
| 393 | edi_hdr->pkt_type = PKT_BURST; |
| 394 | /* edi_hdr->source_id setup in tx_from_ring */ |
| 395 | edi_hdr->dest_id = dst_id; |
| 396 | |
| 397 | /* Setup the burst header */ |
| 398 | bhdr = (void *)rte_pktmbuf_append(mbufs[i], sizeof(*bhdr)); |
| 399 | if (bhdr == NULL) /* append failed. */ |
| 400 | rte_panic("mbuf prepend of burst_hdr failed\n"); |
| 401 | bhdr->original_type = pkt_type; |
| 402 | bhdr->pkt_idx = i; /* save the index of the burst chunk. */ |
| 403 | bhdr->total_pkts = count; |
| 404 | |
| 405 | /* now copy in the actual data */ |
| 406 | const int curr_data_len = RTE_MIN(len, MAX_TX_LEN - |
| 407 | rte_pktmbuf_pkt_len(mbufs[i]) - sizeof(struct ether_hdr)); |
| 408 | p = (void *)rte_pktmbuf_append(mbufs[i], curr_data_len); |
| 409 | if (p == NULL) |
| 410 | rte_panic("mbuf append of %d data bytes failed\n", curr_data_len); |
| 411 | /* This copy is unavoidable, as we're splitting one big buffer |
| 412 | * into multiple mbufs. */ |
| 413 | rte_memcpy(p, src, curr_data_len); |
| 414 | |
| 415 | dlog("curr_data_len[%d] = %d", i, curr_data_len); |
| 416 | dlog("packet %d size %d", i, rte_pktmbuf_pkt_len(mbufs[i])); |
| 417 | |
| 418 | /* Update our source data pointer and remaining length. */ |
| 419 | len -= curr_data_len; |
| 420 | src += curr_data_len; |
| 421 | } |
| 422 | |
| 423 | /* Now enqueue the full prepared burst. */ |
| 424 | i = rte_ring_enqueue_bulk(ctx->tx_ring[0], (void **)mbufs, count, NULL); |
| 425 | PANIC_ON(i != count, "failed to enqueue all mbufs: %d/%d", i, count); |
| 426 | dlog("%d packets enqueued on port %d.", count, ctx->io_cfg.port); |
| 427 | |
| 428 | return 1; |
| 429 | } |
| 430 | |
| 431 | #endif |
| 432 | |
| 433 | /* Prepend ethernet header, possibly vlan tag. */ |
| 434 | void xran_add_eth_hdr_vlan(struct ether_addr *dst, uint16_t ethertype, struct rte_mbuf *mb, uint16_t vlan_tci) |
| 435 | { |
| 436 | /* add in the ethernet header */ |
| 437 | struct ether_hdr *h = (struct ether_hdr *)rte_pktmbuf_mtod(mb, struct ether_hdr*); |
| 438 | |
| 439 | PANIC_ON(h == NULL, "mbuf prepend of ether_hdr failed"); |
| 440 | |
| 441 | /* Fill in the ethernet header. */ |
| 442 | rte_eth_macaddr_get(mb->port, &h->s_addr); /* set source addr */ |
| 443 | h->d_addr = *dst; /* set dst addr */ |
| 444 | h->ether_type = rte_cpu_to_be_16(ethertype); /* ethertype too */ |
| 445 | |
| 446 | #if defined(DPDKIO_DEBUG) && DPDKIO_DEBUG > 1 |
| 447 | { |
| 448 | char dst[ETHER_ADDR_FMT_SIZE] = "(empty)"; |
| 449 | char src[ETHER_ADDR_FMT_SIZE] = "(empty)"; |
| 450 | |
| 451 | nlog("*** packet for TX below (len %d) ***", rte_pktmbuf_pkt_len(mb)); |
| 452 | ether_format_addr(src, sizeof(src), &h->s_addr); |
| 453 | ether_format_addr(dst, sizeof(dst), &h->d_addr); |
| 454 | nlog("src: %s dst: %s ethertype: %.4X", src, dst, ethertype); |
| 455 | } |
| 456 | #endif |
| 457 | #ifdef VLAN_SUPPORT |
| 458 | mb->vlan_tci = vlan_tci; |
| 459 | dlog("Inserting vlan tag of %d", vlan_tci); |
| 460 | rte_vlan_insert(&mb); |
| 461 | #endif |
| 462 | } |
| 463 | |
| 464 | |