2 * Copyright (c) 2015 Cisco and/or its affiliates.
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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
15 #include <vnet/vnet.h>
16 #include <vppinfra/vec.h>
17 #include <vppinfra/format.h>
18 #include <vlib/unix/cj.h>
21 #include <vnet/ethernet/ethernet.h>
22 #include <dpdk/device/dpdk.h>
24 #include <dpdk/device/dpdk_priv.h>
25 #include <vppinfra/error.h>
27 #define foreach_dpdk_tx_func_error \
28 _(BAD_RETVAL, "DPDK tx function returned an error") \
29 _(PKT_DROP, "Tx packet drops (dpdk tx failure)") \
30 _(REPL_FAIL, "Tx packet drops (replication failure)")
34 #define _(f,s) DPDK_TX_FUNC_ERROR_##f,
35 foreach_dpdk_tx_func_error
38 } dpdk_tx_func_error_t;
40 #ifndef CLIB_MARCH_VARIANT
41 static char *dpdk_tx_func_error_strings[] = {
43 foreach_dpdk_tx_func_error
48 dpdk_set_mac_address (vnet_hw_interface_t * hi, char *address)
51 dpdk_main_t *dm = &dpdk_main;
52 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
54 error = rte_eth_dev_default_mac_addr_set (xd->port_id,
55 (struct ether_addr *) address);
59 return clib_error_return (0, "mac address set failed: %d", error);
63 vec_reset_length (xd->default_mac_address);
64 vec_add (xd->default_mac_address, address, sizeof (address));
70 static struct rte_mbuf *
71 dpdk_replicate_packet_mb (vlib_buffer_t * b)
73 dpdk_main_t *dm = &dpdk_main;
74 struct rte_mbuf **mbufs = 0, *s, *d;
76 unsigned socket_id = rte_socket_id ();
79 ASSERT (dm->pktmbuf_pools[socket_id]);
80 s = rte_mbuf_from_vlib_buffer (b);
82 vec_validate (mbufs, nb_segs - 1);
84 if (rte_pktmbuf_alloc_bulk (dm->pktmbuf_pools[socket_id], mbufs, nb_segs))
91 d->nb_segs = s->nb_segs;
92 d->data_len = s->data_len;
93 d->pkt_len = s->pkt_len;
94 d->data_off = s->data_off;
95 clib_memcpy (d->buf_addr, s->buf_addr, RTE_PKTMBUF_HEADROOM + s->data_len);
97 for (i = 1; i < nb_segs; i++)
102 d->data_len = s->data_len;
103 clib_memcpy (d->buf_addr, s->buf_addr,
104 RTE_PKTMBUF_HEADROOM + s->data_len);
113 dpdk_tx_trace_buffer (dpdk_main_t * dm, vlib_node_runtime_t * node,
114 dpdk_device_t * xd, u16 queue_id,
115 vlib_buffer_t * buffer)
117 vlib_main_t *vm = vlib_get_main ();
121 mb = rte_mbuf_from_vlib_buffer (buffer);
123 t0 = vlib_add_trace (vm, node, buffer, sizeof (t0[0]));
124 t0->queue_index = queue_id;
125 t0->device_index = xd->device_index;
126 t0->buffer_index = vlib_get_buffer_index (vm, buffer);
127 clib_memcpy (&t0->mb, mb, sizeof (t0->mb));
128 clib_memcpy (&t0->buffer, buffer,
129 sizeof (buffer[0]) - sizeof (buffer->pre_data));
130 clib_memcpy (t0->buffer.pre_data, buffer->data + buffer->current_data,
131 sizeof (t0->buffer.pre_data));
132 clib_memcpy (&t0->data, mb->buf_addr + mb->data_off, sizeof (t0->data));
135 static_always_inline void
136 dpdk_validate_rte_mbuf (vlib_main_t * vm, vlib_buffer_t * b,
139 struct rte_mbuf *mb, *first_mb, *last_mb;
141 /* buffer is coming from non-dpdk source so we need to init
143 if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0))
145 vlib_buffer_t *b2 = b;
146 last_mb = mb = rte_mbuf_from_vlib_buffer (b2);
147 rte_pktmbuf_reset (mb);
148 while (maybe_multiseg && (b2->flags & VLIB_BUFFER_NEXT_PRESENT))
150 b2 = vlib_get_buffer (vm, b2->next_buffer);
151 mb = rte_mbuf_from_vlib_buffer (b2);
152 rte_pktmbuf_reset (mb);
156 last_mb = first_mb = mb = rte_mbuf_from_vlib_buffer (b);
157 first_mb->nb_segs = 1;
158 mb->data_len = b->current_length;
159 mb->pkt_len = maybe_multiseg ? vlib_buffer_length_in_chain (vm, b) :
161 mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
163 while (maybe_multiseg && (b->flags & VLIB_BUFFER_NEXT_PRESENT))
165 b = vlib_get_buffer (vm, b->next_buffer);
166 mb = rte_mbuf_from_vlib_buffer (b);
169 mb->data_len = b->current_length;
170 mb->pkt_len = b->current_length;
171 mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
173 if (PREDICT_FALSE (b->n_add_refs))
175 rte_mbuf_refcnt_update (mb, b->n_add_refs);
182 * This function calls the dpdk's tx_burst function to transmit the packets.
183 * It manages a lock per-device if the device does not
184 * support multiple queues. It returns the number of packets untransmitted
185 * If all packets are transmitted (the normal case), the function returns 0.
188 u32 tx_burst_vector_internal (vlib_main_t * vm,
190 struct rte_mbuf **mb, u32 n_left)
192 dpdk_main_t *dm = &dpdk_main;
198 queue_id = vm->thread_index;
203 * This device only supports one TX queue,
204 * and we're running multi-threaded...
206 if (PREDICT_FALSE (xd->lockp != 0))
208 queue_id = queue_id % xd->tx_q_used;
209 while (__sync_lock_test_and_set (xd->lockp[queue_id], 1))
211 queue_id = (queue_id + 1) % xd->tx_q_used;
214 if (PREDICT_FALSE (xd->flags & DPDK_DEVICE_FLAG_HQOS)) /* HQoS ON */
216 /* no wrap, transmit in one burst */
217 dpdk_device_hqos_per_worker_thread_t *hqos =
218 &xd->hqos_wt[vm->thread_index];
220 ASSERT (hqos->swq != NULL);
222 dpdk_hqos_metadata_set (hqos, mb, n_left);
223 n_sent = rte_ring_sp_enqueue_burst (hqos->swq, (void **) mb,
226 else if (PREDICT_TRUE (xd->flags & DPDK_DEVICE_FLAG_PMD))
228 /* no wrap, transmit in one burst */
229 n_sent = rte_eth_tx_burst (xd->port_id, queue_id, mb, n_left);
237 if (PREDICT_FALSE (xd->lockp != 0))
238 *xd->lockp[queue_id] = 0;
240 if (PREDICT_FALSE (n_sent < 0))
242 // emit non-fatal message, bump counter
243 vnet_main_t *vnm = dm->vnet_main;
244 vnet_interface_main_t *im = &vnm->interface_main;
247 node_index = vec_elt_at_index (im->hw_interfaces,
248 xd->hw_if_index)->tx_node_index;
250 vlib_error_count (vm, node_index, DPDK_TX_FUNC_ERROR_BAD_RETVAL, 1);
251 clib_warning ("rte_eth_tx_burst[%d]: error %d",
252 xd->port_id, n_sent);
253 return n_left; // untransmitted packets
258 while (n_sent && n_left && (n_retry > 0));
263 static_always_inline void
264 dpdk_prefetch_buffer (vlib_main_t * vm, struct rte_mbuf *mb)
266 vlib_buffer_t *b = vlib_buffer_from_rte_mbuf (mb);
267 CLIB_PREFETCH (mb, 2 * CLIB_CACHE_LINE_BYTES, STORE);
268 CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD);
271 static_always_inline void
272 dpdk_buffer_recycle (vlib_main_t * vm, vlib_node_runtime_t * node,
273 vlib_buffer_t * b, u32 bi, struct rte_mbuf **mbp)
275 dpdk_main_t *dm = &dpdk_main;
276 struct rte_mbuf *mb_new;
278 if (PREDICT_FALSE (b->flags & VLIB_BUFFER_RECYCLE) == 0)
281 mb_new = dpdk_replicate_packet_mb (b);
282 if (PREDICT_FALSE (mb_new == 0))
284 vlib_error_count (vm, node->node_index,
285 DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
286 b->flags |= VLIB_BUFFER_REPL_FAIL;
291 vec_add1 (dm->recycle[vm->thread_index], bi);
294 static_always_inline void
295 dpdk_buffer_tx_offload (dpdk_device_t * xd, vlib_buffer_t * b,
298 u32 ip_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
299 u32 tcp_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
300 u32 udp_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
301 int is_ip4 = b->flags & VNET_BUFFER_F_IS_IP4;
304 /* Is there any work for us? */
305 if (PREDICT_TRUE ((ip_cksum | tcp_cksum | udp_cksum) == 0))
308 mb->l2_len = vnet_buffer (b)->l3_hdr_offset - b->current_data;
309 mb->l3_len = vnet_buffer (b)->l4_hdr_offset -
310 vnet_buffer (b)->l3_hdr_offset;
311 mb->outer_l3_len = 0;
312 mb->outer_l2_len = 0;
313 ol_flags = is_ip4 ? PKT_TX_IPV4 : PKT_TX_IPV6;
314 ol_flags |= ip_cksum ? PKT_TX_IP_CKSUM : 0;
315 ol_flags |= tcp_cksum ? PKT_TX_TCP_CKSUM : 0;
316 ol_flags |= udp_cksum ? PKT_TX_UDP_CKSUM : 0;
317 mb->ol_flags |= ol_flags;
319 /* we are trying to help compiler here by using local ol_flags with known
320 state of all flags */
321 if (xd->flags & DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM)
322 rte_net_intel_cksum_flags_prepare (mb, ol_flags);
326 * Transmits the packets on the frame to the interface associated with the
327 * node. It first copies packets on the frame to a per-thread arrays
328 * containing the rte_mbuf pointers.
331 CLIB_MULTIARCH_FN (dpdk_interface_tx) (vlib_main_t * vm,
332 vlib_node_runtime_t * node,
335 dpdk_main_t *dm = &dpdk_main;
336 vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
337 dpdk_device_t *xd = vec_elt_at_index (dm->devices, rd->dev_instance);
338 u32 n_packets = f->n_vectors;
341 u32 thread_index = vm->thread_index;
342 int queue_id = thread_index;
343 u32 tx_pkts = 0, all_or_flags = 0;
344 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data,
346 struct rte_mbuf **mb;
349 from = vlib_frame_vector_args (f);
351 ASSERT (n_packets <= VLIB_FRAME_SIZE);
353 /* TX PCAP tracing */
354 if (PREDICT_FALSE (dm->pcap[VLIB_TX].pcap_enable))
360 vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
361 if (dm->pcap[VLIB_TX].pcap_sw_if_index == 0 ||
362 dm->pcap[VLIB_TX].pcap_sw_if_index
363 == vnet_buffer (b0)->sw_if_index[VLIB_TX])
364 pcap_add_buffer (&dm->pcap[VLIB_TX].pcap_main, vm, bi0, 512);
370 /* calculate rte_mbuf pointers out of buffer indices */
371 vlib_get_buffers_with_offset (vm, vlib_frame_vector_args (f),
372 (void **) ptd->mbufs, n_packets,
373 -(i32) sizeof (struct rte_mbuf));
375 from = vlib_frame_vector_args (f);
383 dpdk_prefetch_buffer (vm, mb[4]);
384 dpdk_prefetch_buffer (vm, mb[5]);
385 dpdk_prefetch_buffer (vm, mb[6]);
386 dpdk_prefetch_buffer (vm, mb[7]);
388 b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
389 b[1] = vlib_buffer_from_rte_mbuf (mb[1]);
390 b[2] = vlib_buffer_from_rte_mbuf (mb[2]);
391 b[3] = vlib_buffer_from_rte_mbuf (mb[3]);
393 or_flags = b[0]->flags | b[1]->flags | b[2]->flags | b[3]->flags;
394 all_or_flags |= or_flags;
396 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
397 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
398 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
399 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
401 if (or_flags & VLIB_BUFFER_NEXT_PRESENT)
403 dpdk_validate_rte_mbuf (vm, b[0], 1);
404 dpdk_validate_rte_mbuf (vm, b[1], 1);
405 dpdk_validate_rte_mbuf (vm, b[2], 1);
406 dpdk_validate_rte_mbuf (vm, b[3], 1);
410 dpdk_validate_rte_mbuf (vm, b[0], 0);
411 dpdk_validate_rte_mbuf (vm, b[1], 0);
412 dpdk_validate_rte_mbuf (vm, b[2], 0);
413 dpdk_validate_rte_mbuf (vm, b[3], 0);
416 if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD) &&
418 (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
419 | VNET_BUFFER_F_OFFLOAD_IP_CKSUM
420 | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))))
422 dpdk_buffer_tx_offload (xd, b[0], mb[0]);
423 dpdk_buffer_tx_offload (xd, b[1], mb[1]);
424 dpdk_buffer_tx_offload (xd, b[2], mb[2]);
425 dpdk_buffer_tx_offload (xd, b[3], mb[3]);
428 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
430 if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
431 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
432 if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
433 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[1]);
434 if (b[2]->flags & VLIB_BUFFER_IS_TRACED)
435 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[2]);
436 if (b[3]->flags & VLIB_BUFFER_IS_TRACED)
437 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[3]);
445 b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
446 all_or_flags |= b[0]->flags;
447 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
449 dpdk_validate_rte_mbuf (vm, b[0], 1);
450 dpdk_buffer_tx_offload (xd, b[0], mb[0]);
452 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
453 if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
454 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
460 /* run inly if we have buffers to recycle */
461 if (PREDICT_FALSE (all_or_flags & VLIB_BUFFER_RECYCLE))
463 struct rte_mbuf **mb_old;
464 from = vlib_frame_vector_args (f);
466 mb_old = mb = ptd->mbufs;
469 b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
470 dpdk_buffer_recycle (vm, node, b[0], from[0], &mb_old[0]);
472 /* in case of REPL_FAIL we need to shift data */
475 if (PREDICT_TRUE ((b[0]->flags & VLIB_BUFFER_REPL_FAIL) == 0))
483 /* transmit as many packets as possible */
484 tx_pkts = n_packets = mb - ptd->mbufs;
485 n_left = tx_burst_vector_internal (vm, xd, ptd->mbufs, n_packets);
488 /* If there is no callback then drop any non-transmitted packets */
489 if (PREDICT_FALSE (n_left))
492 vlib_simple_counter_main_t *cm;
493 vnet_main_t *vnm = vnet_get_main ();
495 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
496 VNET_INTERFACE_COUNTER_TX_ERROR);
498 vlib_increment_simple_counter (cm, thread_index, xd->sw_if_index,
501 vlib_error_count (vm, node->node_index, DPDK_TX_FUNC_ERROR_PKT_DROP,
505 rte_pktmbuf_free (ptd->mbufs[n_packets - n_left - 1]);
509 /* Recycle replicated buffers */
510 if (PREDICT_FALSE (vec_len (dm->recycle[thread_index])))
512 vlib_buffer_free (vm, dm->recycle[thread_index],
513 vec_len (dm->recycle[thread_index]));
514 _vec_len (dm->recycle[thread_index]) = 0;
520 #ifndef CLIB_MARCH_VARIANT
522 dpdk_clear_hw_interface_counters (u32 instance)
524 dpdk_main_t *dm = &dpdk_main;
525 dpdk_device_t *xd = vec_elt_at_index (dm->devices, instance);
528 * Set the "last_cleared_stats" to the current stats, so that
529 * things appear to clear from a display perspective.
531 dpdk_update_counters (xd, vlib_time_now (dm->vlib_main));
533 clib_memcpy (&xd->last_cleared_stats, &xd->stats, sizeof (xd->stats));
534 clib_memcpy (xd->last_cleared_xstats, xd->xstats,
535 vec_len (xd->last_cleared_xstats) *
536 sizeof (xd->last_cleared_xstats[0]));
540 static clib_error_t *
541 dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
543 vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
544 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
545 dpdk_main_t *dm = &dpdk_main;
546 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hif->dev_instance);
548 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
549 return clib_error_return (0, "Interface not initialized");
553 vnet_hw_interface_set_flags (vnm, xd->hw_if_index,
554 VNET_HW_INTERFACE_FLAG_LINK_UP);
555 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) == 0)
556 dpdk_device_start (xd);
557 xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP;
558 f64 now = vlib_time_now (dm->vlib_main);
559 dpdk_update_counters (xd, now);
560 dpdk_update_link_state (xd, now);
564 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, 0);
565 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0)
566 dpdk_device_stop (xd);
567 xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP;
570 return /* no error */ 0;
574 * Dynamically redirect all pkts from a specific interface
575 * to the specified node
578 dpdk_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
581 dpdk_main_t *xm = &dpdk_main;
582 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
583 dpdk_device_t *xd = vec_elt_at_index (xm->devices, hw->dev_instance);
585 /* Shut off redirection */
586 if (node_index == ~0)
588 xd->per_interface_next_index = node_index;
592 xd->per_interface_next_index =
593 vlib_node_add_next (xm->vlib_main, dpdk_input_node.index, node_index);
597 static clib_error_t *
598 dpdk_subif_add_del_function (vnet_main_t * vnm,
600 struct vnet_sw_interface_t *st, int is_add)
602 dpdk_main_t *xm = &dpdk_main;
603 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
604 dpdk_device_t *xd = vec_elt_at_index (xm->devices, hw->dev_instance);
605 vnet_sw_interface_t *t = (vnet_sw_interface_t *) st;
607 u32 prev_subifs = xd->num_subifs;
608 clib_error_t *err = 0;
612 else if (xd->num_subifs)
615 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
618 /* currently we program VLANS only for IXGBE VF and I40E VF */
619 if ((xd->pmd != VNET_DPDK_PMD_IXGBEVF) && (xd->pmd != VNET_DPDK_PMD_I40EVF))
622 if (t->sub.eth.flags.no_tags == 1)
625 if ((t->sub.eth.flags.one_tag != 1) || (t->sub.eth.flags.exact_match != 1))
627 xd->num_subifs = prev_subifs;
628 err = clib_error_return (0, "unsupported VLAN setup");
632 vlan_offload = rte_eth_dev_get_vlan_offload (xd->port_id);
633 vlan_offload |= ETH_VLAN_FILTER_OFFLOAD;
635 if ((r = rte_eth_dev_set_vlan_offload (xd->port_id, vlan_offload)))
637 xd->num_subifs = prev_subifs;
638 err = clib_error_return (0, "rte_eth_dev_set_vlan_offload[%d]: err %d",
645 rte_eth_dev_vlan_filter (xd->port_id,
646 t->sub.eth.outer_vlan_id, is_add)))
648 xd->num_subifs = prev_subifs;
649 err = clib_error_return (0, "rte_eth_dev_vlan_filter[%d]: err %d",
656 xd->flags |= DPDK_DEVICE_FLAG_HAVE_SUBIF;
658 xd->flags &= ~DPDK_DEVICE_FLAG_HAVE_SUBIF;
664 VNET_DEVICE_CLASS (dpdk_device_class) = {
666 .tx_function = dpdk_interface_tx,
667 .tx_function_n_errors = DPDK_TX_FUNC_N_ERROR,
668 .tx_function_error_strings = dpdk_tx_func_error_strings,
669 .format_device_name = format_dpdk_device_name,
670 .format_device = format_dpdk_device,
671 .format_tx_trace = format_dpdk_tx_trace,
672 .clear_counters = dpdk_clear_hw_interface_counters,
673 .admin_up_down_function = dpdk_interface_admin_up_down,
674 .subif_add_del_function = dpdk_subif_add_del_function,
675 .rx_redirect_to_node = dpdk_set_interface_next_node,
676 .mac_addr_change_function = dpdk_set_mac_address,
677 .format_flow = format_dpdk_flow,
678 .flow_ops_function = dpdk_flow_ops_fn,
683 vlib_node_function_t __clib_weak dpdk_interface_tx_avx512;
684 vlib_node_function_t __clib_weak dpdk_interface_tx_avx2;
685 static void __clib_constructor
686 dpdk_interface_tx_multiarch_select (void)
688 if (dpdk_interface_tx_avx512 && clib_cpu_supports_avx512f ())
689 dpdk_device_class.tx_function = dpdk_interface_tx_avx512;
690 else if (dpdk_interface_tx_avx2 && clib_cpu_supports_avx2 ())
691 dpdk_device_class.tx_function = dpdk_interface_tx_avx2;
696 #define UP_DOWN_FLAG_EVENT 1
698 #ifndef CLIB_MARCH_VARIANT
700 admin_up_down_process (vlib_main_t * vm,
701 vlib_node_runtime_t * rt, vlib_frame_t * f)
703 clib_error_t *error = 0;
705 uword *event_data = 0;
711 vlib_process_wait_for_event (vm);
713 event_type = vlib_process_get_events (vm, &event_data);
715 dpdk_main.admin_up_down_in_progress = 1;
719 case UP_DOWN_FLAG_EVENT:
721 if (vec_len (event_data) == 2)
723 sw_if_index = event_data[0];
724 flags = event_data[1];
726 vnet_sw_interface_set_flags (vnet_get_main (), sw_if_index,
728 clib_error_report (error);
734 vec_reset_length (event_data);
736 dpdk_main.admin_up_down_in_progress = 0;
739 return 0; /* or not */
743 VLIB_REGISTER_NODE (admin_up_down_process_node,static) = {
744 .function = admin_up_down_process,
745 .type = VLIB_NODE_TYPE_PROCESS,
746 .name = "admin-up-down-process",
747 .process_log2_n_stack_bytes = 17, // 256KB
753 * fd.io coding-style-patch-verification: ON
756 * eval: (c-set-style "gnu")