2 *------------------------------------------------------------------
3 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
20 #include <vnet/ethernet/ethernet.h>
21 #include <vnet/ip/ip4_packet.h>
22 #include <vnet/ip/ip6_packet.h>
23 #include <vnet/ip/ip6_hop_by_hop_packet.h>
24 #include <vnet/bonding/node.h>
25 #include <vppinfra/lb_hash_hash.h>
26 #include <vnet/ip/ip.h>
27 #include <vnet/ethernet/arp_packet.h>
29 #define foreach_bond_tx_error \
31 _(IF_DOWN, "interface down") \
32 _(NO_SLAVE, "no slave")
36 #define _(f,s) BOND_TX_ERROR_##f,
42 static char *bond_tx_error_strings[] = {
49 format_bond_tx_trace (u8 * s, va_list * args)
51 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
52 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
53 bond_packet_trace_t *t = va_arg (*args, bond_packet_trace_t *);
54 vnet_hw_interface_t *hw, *hw1;
55 vnet_main_t *vnm = vnet_get_main ();
57 hw = vnet_get_sup_hw_interface (vnm, t->sw_if_index);
58 hw1 = vnet_get_sup_hw_interface (vnm, t->bond_sw_if_index);
59 s = format (s, "src %U, dst %U, %s -> %s",
60 format_ethernet_address, t->ethernet.src_address,
61 format_ethernet_address, t->ethernet.dst_address,
67 #ifndef CLIB_MARCH_VARIANT
69 format_bond_interface_name (u8 * s, va_list * args)
71 u32 dev_instance = va_arg (*args, u32);
72 bond_main_t *bm = &bond_main;
73 bond_if_t *bif = pool_elt_at_index (bm->interfaces, dev_instance);
75 s = format (s, "BondEthernet%lu", bif->id);
81 static __clib_unused clib_error_t *
82 bond_set_l2_mode_function (vnet_main_t * vnm,
83 struct vnet_hw_interface_t *bif_hw,
88 struct vnet_hw_interface_t *sif_hw;
90 bif = bond_get_master_by_sw_if_index (bif_hw->sw_if_index);
94 if ((bif_hw->l2_if_count == 1) && (l2_if_adjust == 1))
96 /* Just added first L2 interface on this port */
97 vec_foreach (sw_if_index, bif->slaves)
99 sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
100 ethernet_set_flags (vnm, sif_hw->hw_if_index,
101 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
103 /* ensure all packets go to ethernet-input */
104 ethernet_set_rx_redirect (vnm, sif_hw, 1);
107 else if ((bif_hw->l2_if_count == 0) && (l2_if_adjust == -1))
109 /* Just removed last L2 subinterface on this port */
110 vec_foreach (sw_if_index, bif->slaves)
112 sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
114 /* Allow ip packets to go directly to ip4-input etc */
115 ethernet_set_rx_redirect (vnm, sif_hw, 0);
122 static __clib_unused clib_error_t *
123 bond_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index,
124 struct vnet_sw_interface_t *st, int is_add)
126 /* Nothing for now */
130 static clib_error_t *
131 bond_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
133 vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
134 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
135 bond_main_t *bm = &bond_main;
136 bond_if_t *bif = pool_elt_at_index (bm->interfaces, hif->dev_instance);
138 bif->admin_up = is_up;
139 if (is_up && vec_len (bif->active_slaves))
140 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
141 VNET_HW_INTERFACE_FLAG_LINK_UP);
145 static_always_inline void
146 bond_tx_add_to_queue (bond_per_thread_data_t * ptd, u32 port, u32 bi)
148 u32 idx = ptd->per_port_queue[port].n_buffers++;
149 ptd->per_port_queue[port].buffers[idx] = bi;
152 static_always_inline u32
153 bond_lb_broadcast (vlib_main_t * vm,
154 bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
156 bond_main_t *bm = &bond_main;
160 u16 thread_index = vm->thread_index;
161 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
164 for (port = 1; port < n_slaves; port++)
166 sw_if_index = *vec_elt_at_index (bif->active_slaves, port);
167 c0 = vlib_buffer_copy (vm, b0);
168 if (PREDICT_TRUE (c0 != 0))
170 vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
171 bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
178 static_always_inline u32
179 bond_lb_l2 (vlib_buffer_t * b0)
181 ethernet_header_t *eth = vlib_buffer_get_current (b0);
182 u64 *dst = (u64 *) & eth->dst_address[0];
183 u64 a = clib_mem_unaligned (dst, u64);
184 u32 *src = (u32 *) & eth->src_address[2];
185 u32 b = clib_mem_unaligned (src, u32);
187 return lb_hash_hash_2_tuples (a, b);
190 static_always_inline u16 *
191 bond_locate_ethertype (ethernet_header_t * eth)
194 ethernet_vlan_header_t *vlan;
196 if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
198 ethertype_p = ð->type;
202 vlan = (void *) (eth + 1);
203 ethertype_p = &vlan->type;
204 if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
207 ethertype_p = &vlan->type;
213 static_always_inline u32
214 bond_lb_l23 (vlib_buffer_t * b0)
216 ethernet_header_t *eth = vlib_buffer_get_current (b0);
219 u16 ethertype, *ethertype_p;
220 u32 *mac1, *mac2, *mac3;
222 ethertype_p = bond_locate_ethertype (eth);
223 ethertype = clib_mem_unaligned (ethertype_p, u16);
225 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
226 (ethertype != htons (ETHERNET_TYPE_IP6)))
227 return bond_lb_l2 (b0);
229 ip4 = (ip4_header_t *) (ethertype_p + 1);
230 ip_version = (ip4->ip_version_and_header_length >> 4);
232 if (ip_version == 0x4)
236 mac1 = (u32 *) & eth->dst_address[0];
237 mac2 = (u32 *) & eth->dst_address[4];
238 mac3 = (u32 *) & eth->src_address[2];
240 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
241 clib_mem_unaligned (mac3, u32);
243 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
247 else if (ip_version == 0x6)
251 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
253 mac1 = (u32 *) & eth->dst_address[0];
254 mac2 = (u32 *) & eth->dst_address[4];
255 mac3 = (u32 *) & eth->src_address[2];
257 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
258 clib_mem_unaligned (mac3, u32);
260 lb_hash_hash (clib_mem_unaligned
261 (&ip6->src_address.as_uword[0], uword),
262 clib_mem_unaligned (&ip6->src_address.as_uword[1],
264 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
266 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
270 return bond_lb_l2 (b0);
273 static_always_inline u32
274 bond_lb_l34 (vlib_buffer_t * b0)
276 ethernet_header_t *eth = vlib_buffer_get_current (b0);
280 u16 ethertype, *ethertype_p;
282 ethertype_p = bond_locate_ethertype (eth);
283 ethertype = clib_mem_unaligned (ethertype_p, u16);
285 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
286 (ethertype != htons (ETHERNET_TYPE_IP6)))
287 return (bond_lb_l2 (b0));
289 ip4 = (ip4_header_t *) (ethertype_p + 1);
290 ip_version = (ip4->ip_version_and_header_length >> 4);
292 if (ip_version == 0x4)
295 tcp_header_t *tcp = (void *) (ip4 + 1);
297 is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
298 (ip4->protocol == IP_PROTOCOL_UDP);
299 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
300 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
303 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
306 else if (ip_version == 0x6)
310 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
311 tcp_header_t *tcp = (void *) (ip6 + 1);
314 if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
315 (ip6->protocol == IP_PROTOCOL_UDP)))
318 tcp = (void *) (ip6 + 1);
320 else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
322 ip6_hop_by_hop_header_t *hbh =
323 (ip6_hop_by_hop_header_t *) (ip6 + 1);
324 if ((hbh->protocol == IP_PROTOCOL_TCP)
325 || (hbh->protocol == IP_PROTOCOL_UDP))
328 tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
331 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
332 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
335 lb_hash_hash (clib_mem_unaligned
336 (&ip6->src_address.as_uword[0], uword),
337 clib_mem_unaligned (&ip6->src_address.as_uword[1],
339 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
341 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
346 return bond_lb_l2 (b0);
349 static_always_inline u32
350 bond_lb_round_robin (bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
352 bif->lb_rr_last_index++;
353 if (bif->lb_rr_last_index >= n_slaves)
354 bif->lb_rr_last_index = 0;
356 return bif->lb_rr_last_index;
359 static_always_inline void
360 bond_tx_inline (vlib_main_t * vm, bond_if_t * bif, vlib_buffer_t ** b,
361 u32 * h, u32 n_left, uword n_slaves, u32 lb_alg)
365 // Prefetch next iteration
368 vlib_buffer_t **pb = b + 4;
370 vlib_prefetch_buffer_header (pb[0], LOAD);
371 vlib_prefetch_buffer_header (pb[1], LOAD);
372 vlib_prefetch_buffer_header (pb[2], LOAD);
373 vlib_prefetch_buffer_header (pb[3], LOAD);
375 CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
376 CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
377 CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
378 CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
381 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
382 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
383 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
384 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
386 if (lb_alg == BOND_LB_L2)
388 h[0] = bond_lb_l2 (b[0]);
389 h[1] = bond_lb_l2 (b[1]);
390 h[2] = bond_lb_l2 (b[2]);
391 h[3] = bond_lb_l2 (b[3]);
393 else if (lb_alg == BOND_LB_L34)
395 h[0] = bond_lb_l34 (b[0]);
396 h[1] = bond_lb_l34 (b[1]);
397 h[2] = bond_lb_l34 (b[2]);
398 h[3] = bond_lb_l34 (b[3]);
400 else if (lb_alg == BOND_LB_L23)
402 h[0] = bond_lb_l23 (b[0]);
403 h[1] = bond_lb_l23 (b[1]);
404 h[2] = bond_lb_l23 (b[2]);
405 h[3] = bond_lb_l23 (b[3]);
407 else if (lb_alg == BOND_LB_RR)
409 h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
410 h[1] = bond_lb_round_robin (bif, b[1], n_slaves);
411 h[2] = bond_lb_round_robin (bif, b[2], n_slaves);
412 h[3] = bond_lb_round_robin (bif, b[3], n_slaves);
414 else if (lb_alg == BOND_LB_BC)
416 h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
417 h[1] = bond_lb_broadcast (vm, bif, b[1], n_slaves);
418 h[2] = bond_lb_broadcast (vm, bif, b[2], n_slaves);
419 h[3] = bond_lb_broadcast (vm, bif, b[3], n_slaves);
433 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
435 if (bif->lb == BOND_LB_L2)
436 h[0] = bond_lb_l2 (b[0]);
437 else if (bif->lb == BOND_LB_L34)
438 h[0] = bond_lb_l34 (b[0]);
439 else if (bif->lb == BOND_LB_L23)
440 h[0] = bond_lb_l23 (b[0]);
441 else if (bif->lb == BOND_LB_RR)
442 h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
443 else if (bif->lb == BOND_LB_BC)
444 h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
455 static_always_inline void
456 bond_hash_to_port (u32 * h, u32 n_left, u32 n_slaves, int use_modulo_shortcut)
458 u32 mask = n_slaves - 1;
460 #ifdef CLIB_HAVE_VEC256
461 /* only lower 16 bits of hash due to single precision fp arithmetic */
462 u32x8 mask8, sc8u, h8a, h8b;
465 if (use_modulo_shortcut)
467 mask8 = u32x8_splat (mask);
471 mask8 = u32x8_splat (0xffff);
472 sc8u = u32x8_splat (n_slaves);
473 sc8f = f32x8_from_u32x8 (sc8u);
478 h8a = u32x8_load_unaligned (h) & mask8;
479 h8b = u32x8_load_unaligned (h + 8) & mask8;
481 if (use_modulo_shortcut == 0)
483 h8a -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8a) / sc8f);
484 h8b -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8b) / sc8f);
487 u32x8_store_unaligned (h8a, h);
488 u32x8_store_unaligned (h8b, h + 8);
496 if (use_modulo_shortcut)
515 if (use_modulo_shortcut)
524 static_always_inline void
525 bond_update_sw_if_index (bond_per_thread_data_t * ptd, bond_if_t * bif,
526 u32 * bi, vlib_buffer_t ** b, u32 * data, u32 n_left,
527 int single_sw_if_index)
529 u32 sw_if_index = data[0];
534 // Prefetch next iteration
537 vlib_buffer_t **pb = b + 4;
538 vlib_prefetch_buffer_header (pb[0], LOAD);
539 vlib_prefetch_buffer_header (pb[1], LOAD);
540 vlib_prefetch_buffer_header (pb[2], LOAD);
541 vlib_prefetch_buffer_header (pb[3], LOAD);
544 if (PREDICT_FALSE (single_sw_if_index))
546 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
547 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index;
548 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index;
549 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index;
551 bond_tx_add_to_queue (ptd, 0, bi[0]);
552 bond_tx_add_to_queue (ptd, 0, bi[1]);
553 bond_tx_add_to_queue (ptd, 0, bi[2]);
554 bond_tx_add_to_queue (ptd, 0, bi[3]);
560 sw_if_index[0] = *vec_elt_at_index (bif->active_slaves, h[0]);
561 sw_if_index[1] = *vec_elt_at_index (bif->active_slaves, h[1]);
562 sw_if_index[2] = *vec_elt_at_index (bif->active_slaves, h[2]);
563 sw_if_index[3] = *vec_elt_at_index (bif->active_slaves, h[3]);
565 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index[0];
566 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index[1];
567 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index[2];
568 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index[3];
570 bond_tx_add_to_queue (ptd, h[0], bi[0]);
571 bond_tx_add_to_queue (ptd, h[1], bi[1]);
572 bond_tx_add_to_queue (ptd, h[2], bi[2]);
573 bond_tx_add_to_queue (ptd, h[3], bi[3]);
583 if (PREDICT_FALSE (single_sw_if_index))
585 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
586 bond_tx_add_to_queue (ptd, 0, bi[0]);
590 u32 sw_if_index0 = *vec_elt_at_index (bif->active_slaves, h[0]);
592 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
593 bond_tx_add_to_queue (ptd, h[0], bi[0]);
603 static_always_inline void
604 bond_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif,
605 vlib_buffer_t ** b, u32 n_left, u32 * h)
607 uword n_trace = vlib_get_trace_count (vm, node);
609 while (n_trace > 0 && n_left > 0)
611 bond_packet_trace_t *t0;
612 ethernet_header_t *eth;
615 vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
616 vlib_set_trace_count (vm, node, --n_trace);
617 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
618 eth = vlib_buffer_get_current (b[0]);
620 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
623 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
627 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, h[0]);
635 VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
636 vlib_node_runtime_t * node,
637 vlib_frame_t * frame)
639 vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
640 bond_main_t *bm = &bond_main;
641 u16 thread_index = vm->thread_index;
642 bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
644 vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
645 u32 *from = vlib_frame_vector_args (frame);
646 u32 n_left = frame->n_vectors;
647 u32 hashes[VLIB_FRAME_SIZE], *h;
648 vnet_main_t *vnm = vnet_get_main ();
649 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
653 if (PREDICT_FALSE (bif->admin_up == 0))
655 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
656 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
657 VNET_INTERFACE_COUNTER_DROP,
658 thread_index, bif->sw_if_index,
660 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
662 return frame->n_vectors;
665 n_slaves = vec_len (bif->active_slaves);
666 if (PREDICT_FALSE (n_slaves == 0))
668 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
669 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
670 VNET_INTERFACE_COUNTER_DROP,
671 thread_index, bif->sw_if_index,
673 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_SLAVE,
675 return frame->n_vectors;
678 vlib_get_buffers (vm, from, bufs, n_left);
680 /* active-backup mode, ship everything to first sw if index */
681 if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_slaves == 1))
683 sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
685 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
686 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
687 /* single_sw_if_index */ 1);
691 if (bif->lb == BOND_LB_BC)
693 sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
695 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_BC);
696 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
697 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
698 /* single_sw_if_index */ 1);
702 /* if have at least one slave on local numa node, only slaves on local numa
703 node will transmit pkts when bif->local_numa_only is enabled */
704 if (bif->n_numa_slaves >= 1)
705 n_slaves = bif->n_numa_slaves;
707 if (bif->lb == BOND_LB_L2)
708 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L2);
709 else if (bif->lb == BOND_LB_L34)
710 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L34);
711 else if (bif->lb == BOND_LB_L23)
712 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L23);
713 else if (bif->lb == BOND_LB_RR)
714 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_RR);
718 /* calculate port out of hash */
720 if (BOND_MODULO_SHORTCUT (n_slaves))
721 bond_hash_to_port (h, frame->n_vectors, n_slaves, 1);
723 bond_hash_to_port (h, frame->n_vectors, n_slaves, 0);
725 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
727 bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
728 /* single_sw_if_index */ 0);
731 for (p = 0; p < n_slaves; p++)
736 sw_if_index = *vec_elt_at_index (bif->active_slaves, p);
737 if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
739 f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
740 f->n_vectors = ptd->per_port_queue[p].n_buffers;
741 to_next = vlib_frame_vector_args (f);
742 clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
743 f->n_vectors * sizeof (u32));
744 vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
745 ptd->per_port_queue[p].n_buffers = 0;
749 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters
750 + VNET_INTERFACE_COUNTER_TX, thread_index,
751 bif->sw_if_index, frame->n_vectors);
753 return frame->n_vectors;
757 bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
760 bond_main_t *bm = &bond_main;
762 send_ip4_garp (bm->vlib_main, sw_if_index);
763 send_ip6_na (bm->vlib_main, sw_if_index);
765 return (WALK_CONTINUE);
769 bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
771 vnet_main_t *vnm = vnet_get_main ();
772 uword event_type, *event_data = 0;
779 vlib_process_wait_for_event (vm);
780 event_type = vlib_process_get_events (vm, &event_data);
781 ASSERT (event_type == BOND_SEND_GARP_NA);
782 for (i = 0; i < vec_len (event_data); i++)
784 hw_if_index = event_data[i];
785 /* walk hw interface to process all subinterfaces */
786 vnet_hw_interface_walk_sw (vnm, hw_if_index,
787 bond_active_interface_switch_cb, 0);
789 vec_reset_length (event_data);
795 VLIB_REGISTER_NODE (bond_process_node) = {
796 .function = bond_process,
797 .type = VLIB_NODE_TYPE_PROCESS,
798 .name = "bond-process",
803 VNET_DEVICE_CLASS (bond_dev_class) = {
805 .tx_function_n_errors = BOND_TX_N_ERROR,
806 .tx_function_error_strings = bond_tx_error_strings,
807 .format_device_name = format_bond_interface_name,
808 .set_l2_mode_function = bond_set_l2_mode_function,
809 .admin_up_down_function = bond_interface_admin_up_down,
810 .subif_add_del_function = bond_subif_add_del_function,
811 .format_tx_trace = format_bond_tx_trace,
817 * fd.io coding-style-patch-verification: ON
820 * eval: (c-set-style "gnu")