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 static char *dpdk_tx_func_error_strings[] = {
42 foreach_dpdk_tx_func_error
47 dpdk_set_mac_address (vnet_hw_interface_t * hi, char *address)
50 dpdk_main_t *dm = &dpdk_main;
51 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
53 error = rte_eth_dev_default_mac_addr_set (xd->port_id,
54 (struct ether_addr *) address);
58 return clib_error_return (0, "mac address set failed: %d", error);
62 vec_reset_length (xd->default_mac_address);
63 vec_add (xd->default_mac_address, address, sizeof (address));
68 static struct rte_mbuf *
69 dpdk_replicate_packet_mb (vlib_buffer_t * b)
71 dpdk_main_t *dm = &dpdk_main;
72 struct rte_mbuf **mbufs = 0, *s, *d;
74 unsigned socket_id = rte_socket_id ();
77 ASSERT (dm->pktmbuf_pools[socket_id]);
78 s = rte_mbuf_from_vlib_buffer (b);
80 vec_validate (mbufs, nb_segs - 1);
82 if (rte_pktmbuf_alloc_bulk (dm->pktmbuf_pools[socket_id], mbufs, nb_segs))
89 d->nb_segs = s->nb_segs;
90 d->data_len = s->data_len;
91 d->pkt_len = s->pkt_len;
92 d->data_off = s->data_off;
93 clib_memcpy (d->buf_addr, s->buf_addr, RTE_PKTMBUF_HEADROOM + s->data_len);
95 for (i = 1; i < nb_segs; i++)
100 d->data_len = s->data_len;
101 clib_memcpy (d->buf_addr, s->buf_addr,
102 RTE_PKTMBUF_HEADROOM + s->data_len);
111 dpdk_tx_trace_buffer (dpdk_main_t * dm, vlib_node_runtime_t * node,
112 dpdk_device_t * xd, u16 queue_id,
113 vlib_buffer_t * buffer)
115 vlib_main_t *vm = vlib_get_main ();
119 mb = rte_mbuf_from_vlib_buffer (buffer);
121 t0 = vlib_add_trace (vm, node, buffer, sizeof (t0[0]));
122 t0->queue_index = queue_id;
123 t0->device_index = xd->device_index;
124 t0->buffer_index = vlib_get_buffer_index (vm, buffer);
125 clib_memcpy (&t0->mb, mb, sizeof (t0->mb));
126 clib_memcpy (&t0->buffer, buffer,
127 sizeof (buffer[0]) - sizeof (buffer->pre_data));
128 clib_memcpy (t0->buffer.pre_data, buffer->data + buffer->current_data,
129 sizeof (t0->buffer.pre_data));
130 clib_memcpy (&t0->data, mb->buf_addr + mb->data_off, sizeof (t0->data));
133 static_always_inline void
134 dpdk_validate_rte_mbuf (vlib_main_t * vm, vlib_buffer_t * b,
137 struct rte_mbuf *mb, *first_mb, *last_mb;
139 /* buffer is coming from non-dpdk source so we need to init
141 if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0))
143 vlib_buffer_t *b2 = b;
144 last_mb = mb = rte_mbuf_from_vlib_buffer (b2);
145 rte_pktmbuf_reset (mb);
146 while (maybe_multiseg && (b2->flags & VLIB_BUFFER_NEXT_PRESENT))
148 b2 = vlib_get_buffer (vm, b2->next_buffer);
149 mb = rte_mbuf_from_vlib_buffer (b2);
150 rte_pktmbuf_reset (mb);
154 last_mb = first_mb = mb = rte_mbuf_from_vlib_buffer (b);
155 first_mb->nb_segs = 1;
156 mb->data_len = b->current_length;
157 mb->pkt_len = maybe_multiseg ? vlib_buffer_length_in_chain (vm, b) :
159 mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
161 while (maybe_multiseg && (b->flags & VLIB_BUFFER_NEXT_PRESENT))
163 b = vlib_get_buffer (vm, b->next_buffer);
164 mb = rte_mbuf_from_vlib_buffer (b);
167 mb->data_len = b->current_length;
168 mb->pkt_len = b->current_length;
169 mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
171 if (PREDICT_FALSE (b->n_add_refs))
173 rte_mbuf_refcnt_update (mb, b->n_add_refs);
180 * This function calls the dpdk's tx_burst function to transmit the packets.
181 * It manages a lock per-device if the device does not
182 * support multiple queues. It returns the number of packets untransmitted
183 * If all packets are transmitted (the normal case), the function returns 0.
186 u32 tx_burst_vector_internal (vlib_main_t * vm,
188 struct rte_mbuf **mb, u32 n_left)
190 dpdk_main_t *dm = &dpdk_main;
196 queue_id = vm->thread_index;
201 * This device only supports one TX queue,
202 * and we're running multi-threaded...
204 if (PREDICT_FALSE (xd->lockp != 0))
206 queue_id = queue_id % xd->tx_q_used;
207 while (__sync_lock_test_and_set (xd->lockp[queue_id], 1))
209 queue_id = (queue_id + 1) % xd->tx_q_used;
212 if (PREDICT_FALSE (xd->flags & DPDK_DEVICE_FLAG_HQOS)) /* HQoS ON */
214 /* no wrap, transmit in one burst */
215 dpdk_device_hqos_per_worker_thread_t *hqos =
216 &xd->hqos_wt[vm->thread_index];
218 ASSERT (hqos->swq != NULL);
220 dpdk_hqos_metadata_set (hqos, mb, n_left);
221 n_sent = rte_ring_sp_enqueue_burst (hqos->swq, (void **) mb,
224 else if (PREDICT_TRUE (xd->flags & DPDK_DEVICE_FLAG_PMD))
226 /* no wrap, transmit in one burst */
227 n_sent = rte_eth_tx_burst (xd->port_id, queue_id, mb, n_left);
235 if (PREDICT_FALSE (xd->lockp != 0))
236 *xd->lockp[queue_id] = 0;
238 if (PREDICT_FALSE (n_sent < 0))
240 // emit non-fatal message, bump counter
241 vnet_main_t *vnm = dm->vnet_main;
242 vnet_interface_main_t *im = &vnm->interface_main;
245 node_index = vec_elt_at_index (im->hw_interfaces,
246 xd->hw_if_index)->tx_node_index;
248 vlib_error_count (vm, node_index, DPDK_TX_FUNC_ERROR_BAD_RETVAL, 1);
249 clib_warning ("rte_eth_tx_burst[%d]: error %d",
250 xd->port_id, n_sent);
251 return n_left; // untransmitted packets
256 while (n_sent && n_left && (n_retry > 0));
261 static_always_inline void
262 dpdk_prefetch_buffer (vlib_main_t * vm, struct rte_mbuf *mb)
264 vlib_buffer_t *b = vlib_buffer_from_rte_mbuf (mb);
265 CLIB_PREFETCH (mb, 2 * CLIB_CACHE_LINE_BYTES, STORE);
266 CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD);
269 static_always_inline void
270 dpdk_buffer_recycle (vlib_main_t * vm, vlib_node_runtime_t * node,
271 vlib_buffer_t * b, u32 bi, struct rte_mbuf **mbp)
273 dpdk_main_t *dm = &dpdk_main;
274 struct rte_mbuf *mb_new;
276 if (PREDICT_FALSE (b->flags & VLIB_BUFFER_RECYCLE) == 0)
279 mb_new = dpdk_replicate_packet_mb (b);
280 if (PREDICT_FALSE (mb_new == 0))
282 vlib_error_count (vm, node->node_index,
283 DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
284 b->flags |= VLIB_BUFFER_REPL_FAIL;
289 vec_add1 (dm->recycle[vm->thread_index], bi);
292 static_always_inline void
293 dpdk_buffer_tx_offload (dpdk_device_t * xd, vlib_buffer_t * b,
296 u32 ip_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
297 u32 tcp_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
298 u32 udp_cksum = b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
299 int is_ip4 = b->flags & VNET_BUFFER_F_IS_IP4;
302 /* Is there any work for us? */
303 if (PREDICT_TRUE ((ip_cksum | tcp_cksum | udp_cksum) == 0))
306 mb->l2_len = vnet_buffer (b)->l3_hdr_offset - b->current_data;
307 mb->l3_len = vnet_buffer (b)->l4_hdr_offset -
308 vnet_buffer (b)->l3_hdr_offset;
309 mb->outer_l3_len = 0;
310 mb->outer_l2_len = 0;
311 ol_flags = is_ip4 ? PKT_TX_IPV4 : PKT_TX_IPV6;
312 ol_flags |= ip_cksum ? PKT_TX_IP_CKSUM : 0;
313 ol_flags |= tcp_cksum ? PKT_TX_TCP_CKSUM : 0;
314 ol_flags |= udp_cksum ? PKT_TX_UDP_CKSUM : 0;
315 mb->ol_flags |= ol_flags;
317 /* we are trying to help compiler here by using local ol_flags with known
318 state of all flags */
319 if (xd->flags & DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM)
320 rte_net_intel_cksum_flags_prepare (mb, ol_flags);
324 * Transmits the packets on the frame to the interface associated with the
325 * node. It first copies packets on the frame to a per-thread arrays
326 * containing the rte_mbuf pointers.
328 VNET_DEVICE_CLASS_TX_FN (dpdk_device_class) (vlib_main_t * vm,
329 vlib_node_runtime_t * node,
332 dpdk_main_t *dm = &dpdk_main;
333 vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
334 dpdk_device_t *xd = vec_elt_at_index (dm->devices, rd->dev_instance);
335 u32 n_packets = f->n_vectors;
338 u32 thread_index = vm->thread_index;
339 int queue_id = thread_index;
340 u32 tx_pkts = 0, all_or_flags = 0;
341 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data,
343 struct rte_mbuf **mb;
346 from = vlib_frame_vector_args (f);
348 ASSERT (n_packets <= VLIB_FRAME_SIZE);
350 /* TX PCAP tracing */
351 if (PREDICT_FALSE (dm->pcap[VLIB_TX].pcap_enable))
357 vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
358 if (dm->pcap[VLIB_TX].pcap_sw_if_index == 0 ||
359 dm->pcap[VLIB_TX].pcap_sw_if_index
360 == vnet_buffer (b0)->sw_if_index[VLIB_TX])
361 pcap_add_buffer (&dm->pcap[VLIB_TX].pcap_main, vm, bi0, 512);
367 /* calculate rte_mbuf pointers out of buffer indices */
368 vlib_get_buffers_with_offset (vm, vlib_frame_vector_args (f),
369 (void **) ptd->mbufs, n_packets,
370 -(i32) sizeof (struct rte_mbuf));
372 from = vlib_frame_vector_args (f);
380 dpdk_prefetch_buffer (vm, mb[4]);
381 dpdk_prefetch_buffer (vm, mb[5]);
382 dpdk_prefetch_buffer (vm, mb[6]);
383 dpdk_prefetch_buffer (vm, mb[7]);
385 b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
386 b[1] = vlib_buffer_from_rte_mbuf (mb[1]);
387 b[2] = vlib_buffer_from_rte_mbuf (mb[2]);
388 b[3] = vlib_buffer_from_rte_mbuf (mb[3]);
390 or_flags = b[0]->flags | b[1]->flags | b[2]->flags | b[3]->flags;
391 all_or_flags |= or_flags;
393 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
394 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
395 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
396 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
398 if (or_flags & VLIB_BUFFER_NEXT_PRESENT)
400 dpdk_validate_rte_mbuf (vm, b[0], 1);
401 dpdk_validate_rte_mbuf (vm, b[1], 1);
402 dpdk_validate_rte_mbuf (vm, b[2], 1);
403 dpdk_validate_rte_mbuf (vm, b[3], 1);
407 dpdk_validate_rte_mbuf (vm, b[0], 0);
408 dpdk_validate_rte_mbuf (vm, b[1], 0);
409 dpdk_validate_rte_mbuf (vm, b[2], 0);
410 dpdk_validate_rte_mbuf (vm, b[3], 0);
413 if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD) &&
415 (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
416 | VNET_BUFFER_F_OFFLOAD_IP_CKSUM
417 | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))))
419 dpdk_buffer_tx_offload (xd, b[0], mb[0]);
420 dpdk_buffer_tx_offload (xd, b[1], mb[1]);
421 dpdk_buffer_tx_offload (xd, b[2], mb[2]);
422 dpdk_buffer_tx_offload (xd, b[3], mb[3]);
425 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
427 if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
428 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
429 if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
430 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[1]);
431 if (b[2]->flags & VLIB_BUFFER_IS_TRACED)
432 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[2]);
433 if (b[3]->flags & VLIB_BUFFER_IS_TRACED)
434 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[3]);
442 b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
443 all_or_flags |= b[0]->flags;
444 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
446 dpdk_validate_rte_mbuf (vm, b[0], 1);
447 dpdk_buffer_tx_offload (xd, b[0], mb[0]);
449 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
450 if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
451 dpdk_tx_trace_buffer (dm, node, xd, queue_id, b[0]);
457 /* run inly if we have buffers to recycle */
458 if (PREDICT_FALSE (all_or_flags & VLIB_BUFFER_RECYCLE))
460 struct rte_mbuf **mb_old;
461 from = vlib_frame_vector_args (f);
463 mb_old = mb = ptd->mbufs;
466 b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
467 dpdk_buffer_recycle (vm, node, b[0], from[0], &mb_old[0]);
469 /* in case of REPL_FAIL we need to shift data */
472 if (PREDICT_TRUE ((b[0]->flags & VLIB_BUFFER_REPL_FAIL) == 0))
480 /* transmit as many packets as possible */
481 tx_pkts = n_packets = mb - ptd->mbufs;
482 n_left = tx_burst_vector_internal (vm, xd, ptd->mbufs, n_packets);
485 /* If there is no callback then drop any non-transmitted packets */
486 if (PREDICT_FALSE (n_left))
489 vlib_simple_counter_main_t *cm;
490 vnet_main_t *vnm = vnet_get_main ();
492 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
493 VNET_INTERFACE_COUNTER_TX_ERROR);
495 vlib_increment_simple_counter (cm, thread_index, xd->sw_if_index,
498 vlib_error_count (vm, node->node_index, DPDK_TX_FUNC_ERROR_PKT_DROP,
502 rte_pktmbuf_free (ptd->mbufs[n_packets - n_left - 1]);
506 /* Recycle replicated buffers */
507 if (PREDICT_FALSE (vec_len (dm->recycle[thread_index])))
509 vlib_buffer_free (vm, dm->recycle[thread_index],
510 vec_len (dm->recycle[thread_index]));
511 _vec_len (dm->recycle[thread_index]) = 0;
518 dpdk_clear_hw_interface_counters (u32 instance)
520 dpdk_main_t *dm = &dpdk_main;
521 dpdk_device_t *xd = vec_elt_at_index (dm->devices, instance);
524 * Set the "last_cleared_stats" to the current stats, so that
525 * things appear to clear from a display perspective.
527 dpdk_update_counters (xd, vlib_time_now (dm->vlib_main));
529 clib_memcpy (&xd->last_cleared_stats, &xd->stats, sizeof (xd->stats));
530 clib_memcpy (xd->last_cleared_xstats, xd->xstats,
531 vec_len (xd->last_cleared_xstats) *
532 sizeof (xd->last_cleared_xstats[0]));
536 static clib_error_t *
537 dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
539 vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
540 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
541 dpdk_main_t *dm = &dpdk_main;
542 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hif->dev_instance);
544 if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
545 return clib_error_return (0, "Interface not initialized");
549 vnet_hw_interface_set_flags (vnm, xd->hw_if_index,
550 VNET_HW_INTERFACE_FLAG_LINK_UP);
551 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) == 0)
552 dpdk_device_start (xd);
553 xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP;
554 f64 now = vlib_time_now (dm->vlib_main);
555 dpdk_update_counters (xd, now);
556 dpdk_update_link_state (xd, now);
560 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, 0);
561 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0)
562 dpdk_device_stop (xd);
563 xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP;
566 return /* no error */ 0;
570 * Dynamically redirect all pkts from a specific interface
571 * to the specified node
574 dpdk_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
577 dpdk_main_t *xm = &dpdk_main;
578 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
579 dpdk_device_t *xd = vec_elt_at_index (xm->devices, hw->dev_instance);
581 /* Shut off redirection */
582 if (node_index == ~0)
584 xd->per_interface_next_index = node_index;
588 xd->per_interface_next_index =
589 vlib_node_add_next (xm->vlib_main, dpdk_input_node.index, node_index);
593 static clib_error_t *
594 dpdk_subif_add_del_function (vnet_main_t * vnm,
596 struct vnet_sw_interface_t *st, int is_add)
598 dpdk_main_t *xm = &dpdk_main;
599 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
600 dpdk_device_t *xd = vec_elt_at_index (xm->devices, hw->dev_instance);
601 vnet_sw_interface_t *t = (vnet_sw_interface_t *) st;
603 u32 prev_subifs = xd->num_subifs;
604 clib_error_t *err = 0;
608 else if (xd->num_subifs)
611 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
614 /* currently we program VLANS only for IXGBE VF and I40E VF */
615 if ((xd->pmd != VNET_DPDK_PMD_IXGBEVF) && (xd->pmd != VNET_DPDK_PMD_I40EVF))
618 if (t->sub.eth.flags.no_tags == 1)
621 if ((t->sub.eth.flags.one_tag != 1) || (t->sub.eth.flags.exact_match != 1))
623 xd->num_subifs = prev_subifs;
624 err = clib_error_return (0, "unsupported VLAN setup");
628 vlan_offload = rte_eth_dev_get_vlan_offload (xd->port_id);
629 vlan_offload |= ETH_VLAN_FILTER_OFFLOAD;
631 if ((r = rte_eth_dev_set_vlan_offload (xd->port_id, vlan_offload)))
633 xd->num_subifs = prev_subifs;
634 err = clib_error_return (0, "rte_eth_dev_set_vlan_offload[%d]: err %d",
641 rte_eth_dev_vlan_filter (xd->port_id,
642 t->sub.eth.outer_vlan_id, is_add)))
644 xd->num_subifs = prev_subifs;
645 err = clib_error_return (0, "rte_eth_dev_vlan_filter[%d]: err %d",
652 xd->flags |= DPDK_DEVICE_FLAG_HAVE_SUBIF;
654 xd->flags &= ~DPDK_DEVICE_FLAG_HAVE_SUBIF;
660 VNET_DEVICE_CLASS (dpdk_device_class) = {
662 .tx_function_n_errors = DPDK_TX_FUNC_N_ERROR,
663 .tx_function_error_strings = dpdk_tx_func_error_strings,
664 .format_device_name = format_dpdk_device_name,
665 .format_device = format_dpdk_device,
666 .format_tx_trace = format_dpdk_tx_trace,
667 .clear_counters = dpdk_clear_hw_interface_counters,
668 .admin_up_down_function = dpdk_interface_admin_up_down,
669 .subif_add_del_function = dpdk_subif_add_del_function,
670 .rx_redirect_to_node = dpdk_set_interface_next_node,
671 .mac_addr_change_function = dpdk_set_mac_address,
672 .format_flow = format_dpdk_flow,
673 .flow_ops_function = dpdk_flow_ops_fn,
677 #define UP_DOWN_FLAG_EVENT 1
680 admin_up_down_process (vlib_main_t * vm,
681 vlib_node_runtime_t * rt, vlib_frame_t * f)
683 clib_error_t *error = 0;
685 uword *event_data = 0;
691 vlib_process_wait_for_event (vm);
693 event_type = vlib_process_get_events (vm, &event_data);
695 dpdk_main.admin_up_down_in_progress = 1;
699 case UP_DOWN_FLAG_EVENT:
701 if (vec_len (event_data) == 2)
703 sw_if_index = event_data[0];
704 flags = event_data[1];
706 vnet_sw_interface_set_flags (vnet_get_main (), sw_if_index,
708 clib_error_report (error);
714 vec_reset_length (event_data);
716 dpdk_main.admin_up_down_in_progress = 0;
719 return 0; /* or not */
723 VLIB_REGISTER_NODE (admin_up_down_process_node) = {
724 .function = admin_up_down_process,
725 .type = VLIB_NODE_TYPE_PROCESS,
726 .name = "admin-up-down-process",
727 .process_log2_n_stack_bytes = 17, // 256KB
732 * fd.io coding-style-patch-verification: ON
735 * eval: (c-set-style "gnu")