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/ip-neighbor/ip_neighbor.h>
28 #include <vnet/ip-neighbor/ip4_neighbor.h>
29 #include <vnet/ip-neighbor/ip6_neighbor.h>
31 #define foreach_bond_tx_error \
33 _(IF_DOWN, "interface down") \
34 _(NO_MEMBER, "no member")
38 #define _(f,s) BOND_TX_ERROR_##f,
44 static char *bond_tx_error_strings[] = {
51 format_bond_tx_trace (u8 * s, va_list * args)
53 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
54 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
55 bond_packet_trace_t *t = va_arg (*args, bond_packet_trace_t *);
56 vnet_hw_interface_t *hw, *hw1;
57 vnet_main_t *vnm = vnet_get_main ();
59 hw = vnet_get_sup_hw_interface (vnm, t->sw_if_index);
60 hw1 = vnet_get_sup_hw_interface (vnm, t->bond_sw_if_index);
61 s = format (s, "src %U, dst %U, %s -> %s",
62 format_ethernet_address, t->ethernet.src_address,
63 format_ethernet_address, t->ethernet.dst_address,
69 #ifndef CLIB_MARCH_VARIANT
71 format_bond_interface_name (u8 * s, va_list * args)
73 u32 dev_instance = va_arg (*args, u32);
74 bond_main_t *bm = &bond_main;
75 bond_if_t *bif = pool_elt_at_index (bm->interfaces, dev_instance);
77 s = format (s, "BondEthernet%lu", bif->id);
83 static __clib_unused clib_error_t *
84 bond_set_l2_mode_function (vnet_main_t * vnm,
85 struct vnet_hw_interface_t *bif_hw,
90 struct vnet_hw_interface_t *mif_hw;
92 bif = bond_get_bond_if_by_sw_if_index (bif_hw->sw_if_index);
96 if ((bif_hw->l2_if_count == 1) && (l2_if_adjust == 1))
98 /* Just added first L2 interface on this port */
99 vec_foreach (sw_if_index, bif->members)
101 mif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
102 ethernet_set_flags (vnm, mif_hw->hw_if_index,
103 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
106 else if ((bif_hw->l2_if_count == 0) && (l2_if_adjust == -1))
108 /* Just removed last L2 subinterface on this port */
109 vec_foreach (sw_if_index, bif->members)
111 mif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
112 ethernet_set_flags (vnm, mif_hw->hw_if_index,
113 /*ETHERNET_INTERFACE_FLAG_DEFAULT_L3 */ 0);
120 static __clib_unused clib_error_t *
121 bond_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index,
122 struct vnet_sw_interface_t *st, int is_add)
124 /* Nothing for now */
128 static clib_error_t *
129 bond_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
131 vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
132 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
133 bond_main_t *bm = &bond_main;
134 bond_if_t *bif = pool_elt_at_index (bm->interfaces, hif->dev_instance);
136 bif->admin_up = is_up;
138 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
139 VNET_HW_INTERFACE_FLAG_LINK_UP);
143 static clib_error_t *
144 bond_add_del_mac_address (vnet_hw_interface_t * hi, const u8 * address,
147 vnet_main_t *vnm = vnet_get_main ();
149 clib_error_t *error = 0;
150 vnet_hw_interface_t *s_hi;
154 bif = bond_get_bond_if_by_sw_if_index (hi->sw_if_index);
157 return clib_error_return (0,
158 "No bond interface found for sw_if_index %u",
162 /* Add/del address on each member hw intf, they control the hardware */
163 vec_foreach_index (i, bif->members)
165 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->members, i));
166 error = vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
173 /* undo any that were completed before the failure */
174 for (j = i - 1; j > -1; j--)
176 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->members, j));
177 vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
188 static_always_inline void
189 bond_tx_add_to_queue (bond_per_thread_data_t * ptd, u32 port, u32 bi)
191 u32 idx = ptd->per_port_queue[port].n_buffers++;
192 ptd->per_port_queue[port].buffers[idx] = bi;
195 static_always_inline u32
196 bond_lb_broadcast (vlib_main_t * vm,
197 bond_if_t * bif, vlib_buffer_t * b0, uword n_members)
199 bond_main_t *bm = &bond_main;
203 u16 thread_index = vm->thread_index;
204 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
207 for (port = 1; port < n_members; port++)
209 sw_if_index = *vec_elt_at_index (bif->active_members, port);
210 c0 = vlib_buffer_copy (vm, b0);
211 if (PREDICT_TRUE (c0 != 0))
213 vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
214 bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
221 static_always_inline u32
222 bond_lb_l2 (vlib_buffer_t * b0)
224 ethernet_header_t *eth = vlib_buffer_get_current (b0);
225 u64 *dst = (u64 *) & eth->dst_address[0];
226 u64 a = clib_mem_unaligned (dst, u64);
227 u32 *src = (u32 *) & eth->src_address[2];
228 u32 b = clib_mem_unaligned (src, u32);
230 return lb_hash_hash_2_tuples (a, b);
233 static_always_inline u16 *
234 bond_locate_ethertype (ethernet_header_t * eth)
237 ethernet_vlan_header_t *vlan;
239 if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
241 ethertype_p = ð->type;
245 vlan = (void *) (eth + 1);
246 ethertype_p = &vlan->type;
247 if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
250 ethertype_p = &vlan->type;
256 static_always_inline u32
257 bond_lb_l23 (vlib_buffer_t * b0)
259 ethernet_header_t *eth = vlib_buffer_get_current (b0);
262 u16 ethertype, *ethertype_p;
263 u32 *mac1, *mac2, *mac3;
265 ethertype_p = bond_locate_ethertype (eth);
266 ethertype = clib_mem_unaligned (ethertype_p, u16);
268 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
269 (ethertype != htons (ETHERNET_TYPE_IP6)))
270 return bond_lb_l2 (b0);
272 ip4 = (ip4_header_t *) (ethertype_p + 1);
273 ip_version = (ip4->ip_version_and_header_length >> 4);
275 if (ip_version == 0x4)
279 mac1 = (u32 *) & eth->dst_address[0];
280 mac2 = (u32 *) & eth->dst_address[4];
281 mac3 = (u32 *) & eth->src_address[2];
283 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
284 clib_mem_unaligned (mac3, u32);
286 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
290 else if (ip_version == 0x6)
294 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
296 mac1 = (u32 *) & eth->dst_address[0];
297 mac2 = (u32 *) & eth->dst_address[4];
298 mac3 = (u32 *) & eth->src_address[2];
300 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
301 clib_mem_unaligned (mac3, u32);
303 lb_hash_hash (clib_mem_unaligned
304 (&ip6->src_address.as_uword[0], uword),
305 clib_mem_unaligned (&ip6->src_address.as_uword[1],
307 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
309 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
313 return bond_lb_l2 (b0);
316 static_always_inline u32
317 bond_lb_l34 (vlib_buffer_t * b0)
319 ethernet_header_t *eth = vlib_buffer_get_current (b0);
323 u16 ethertype, *ethertype_p;
325 ethertype_p = bond_locate_ethertype (eth);
326 ethertype = clib_mem_unaligned (ethertype_p, u16);
328 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
329 (ethertype != htons (ETHERNET_TYPE_IP6)))
330 return (bond_lb_l2 (b0));
332 ip4 = (ip4_header_t *) (ethertype_p + 1);
333 ip_version = (ip4->ip_version_and_header_length >> 4);
335 if (ip_version == 0x4)
338 tcp_header_t *tcp = (void *) (ip4 + 1);
340 is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
341 (ip4->protocol == IP_PROTOCOL_UDP);
342 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
343 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
346 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
349 else if (ip_version == 0x6)
353 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
354 tcp_header_t *tcp = (void *) (ip6 + 1);
357 if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
358 (ip6->protocol == IP_PROTOCOL_UDP)))
361 tcp = (void *) (ip6 + 1);
363 else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
365 ip6_hop_by_hop_header_t *hbh =
366 (ip6_hop_by_hop_header_t *) (ip6 + 1);
367 if ((hbh->protocol == IP_PROTOCOL_TCP)
368 || (hbh->protocol == IP_PROTOCOL_UDP))
371 tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
374 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
375 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
378 lb_hash_hash (clib_mem_unaligned
379 (&ip6->src_address.as_uword[0], uword),
380 clib_mem_unaligned (&ip6->src_address.as_uword[1],
382 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
384 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
389 return bond_lb_l2 (b0);
392 static_always_inline u32
393 bond_lb_round_robin (bond_if_t * bif, vlib_buffer_t * b0, uword n_members)
395 bif->lb_rr_last_index++;
396 if (bif->lb_rr_last_index >= n_members)
397 bif->lb_rr_last_index = 0;
399 return bif->lb_rr_last_index;
402 static_always_inline void
403 bond_tx_inline (vlib_main_t * vm, bond_if_t * bif, vlib_buffer_t ** b,
404 u32 * h, u32 n_left, uword n_members, u32 lb_alg)
408 // Prefetch next iteration
411 vlib_buffer_t **pb = b + 4;
413 vlib_prefetch_buffer_header (pb[0], LOAD);
414 vlib_prefetch_buffer_header (pb[1], LOAD);
415 vlib_prefetch_buffer_header (pb[2], LOAD);
416 vlib_prefetch_buffer_header (pb[3], LOAD);
418 CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
419 CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
420 CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
421 CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
424 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
425 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
426 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
427 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
429 if (lb_alg == BOND_LB_L2)
431 h[0] = bond_lb_l2 (b[0]);
432 h[1] = bond_lb_l2 (b[1]);
433 h[2] = bond_lb_l2 (b[2]);
434 h[3] = bond_lb_l2 (b[3]);
436 else if (lb_alg == BOND_LB_L34)
438 h[0] = bond_lb_l34 (b[0]);
439 h[1] = bond_lb_l34 (b[1]);
440 h[2] = bond_lb_l34 (b[2]);
441 h[3] = bond_lb_l34 (b[3]);
443 else if (lb_alg == BOND_LB_L23)
445 h[0] = bond_lb_l23 (b[0]);
446 h[1] = bond_lb_l23 (b[1]);
447 h[2] = bond_lb_l23 (b[2]);
448 h[3] = bond_lb_l23 (b[3]);
450 else if (lb_alg == BOND_LB_RR)
452 h[0] = bond_lb_round_robin (bif, b[0], n_members);
453 h[1] = bond_lb_round_robin (bif, b[1], n_members);
454 h[2] = bond_lb_round_robin (bif, b[2], n_members);
455 h[3] = bond_lb_round_robin (bif, b[3], n_members);
457 else if (lb_alg == BOND_LB_BC)
459 h[0] = bond_lb_broadcast (vm, bif, b[0], n_members);
460 h[1] = bond_lb_broadcast (vm, bif, b[1], n_members);
461 h[2] = bond_lb_broadcast (vm, bif, b[2], n_members);
462 h[3] = bond_lb_broadcast (vm, bif, b[3], n_members);
476 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
478 if (bif->lb == BOND_LB_L2)
479 h[0] = bond_lb_l2 (b[0]);
480 else if (bif->lb == BOND_LB_L34)
481 h[0] = bond_lb_l34 (b[0]);
482 else if (bif->lb == BOND_LB_L23)
483 h[0] = bond_lb_l23 (b[0]);
484 else if (bif->lb == BOND_LB_RR)
485 h[0] = bond_lb_round_robin (bif, b[0], n_members);
486 else if (bif->lb == BOND_LB_BC)
487 h[0] = bond_lb_broadcast (vm, bif, b[0], n_members);
499 static_always_inline void
500 bond_hash_to_port (u32 * h, u32 n_left, u32 n_members,
501 int use_modulo_shortcut)
503 u32 mask = n_members - 1;
505 #ifdef CLIB_HAVE_VEC256
506 /* only lower 16 bits of hash due to single precision fp arithmetic */
507 u32x8 mask8, sc8u, h8a, h8b;
510 if (use_modulo_shortcut)
512 mask8 = u32x8_splat (mask);
516 mask8 = u32x8_splat (0xffff);
517 sc8u = u32x8_splat (n_members);
518 sc8f = f32x8_from_u32x8 (sc8u);
523 h8a = u32x8_load_unaligned (h) & mask8;
524 h8b = u32x8_load_unaligned (h + 8) & mask8;
526 if (use_modulo_shortcut == 0)
528 h8a -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8a) / sc8f);
529 h8b -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8b) / sc8f);
532 u32x8_store_unaligned (h8a, h);
533 u32x8_store_unaligned (h8b, h + 8);
541 if (use_modulo_shortcut)
560 if (use_modulo_shortcut)
569 static_always_inline void
570 bond_update_sw_if_index (bond_per_thread_data_t * ptd, bond_if_t * bif,
571 u32 * bi, vlib_buffer_t ** b, u32 * data, u32 n_left,
572 int single_sw_if_index)
574 u32 sw_if_index = data[0];
579 // Prefetch next iteration
582 vlib_buffer_t **pb = b + 4;
583 vlib_prefetch_buffer_header (pb[0], LOAD);
584 vlib_prefetch_buffer_header (pb[1], LOAD);
585 vlib_prefetch_buffer_header (pb[2], LOAD);
586 vlib_prefetch_buffer_header (pb[3], LOAD);
589 if (PREDICT_FALSE (single_sw_if_index))
591 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
592 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index;
593 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index;
594 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index;
596 bond_tx_add_to_queue (ptd, 0, bi[0]);
597 bond_tx_add_to_queue (ptd, 0, bi[1]);
598 bond_tx_add_to_queue (ptd, 0, bi[2]);
599 bond_tx_add_to_queue (ptd, 0, bi[3]);
605 sw_if_index[0] = *vec_elt_at_index (bif->active_members, h[0]);
606 sw_if_index[1] = *vec_elt_at_index (bif->active_members, h[1]);
607 sw_if_index[2] = *vec_elt_at_index (bif->active_members, h[2]);
608 sw_if_index[3] = *vec_elt_at_index (bif->active_members, h[3]);
610 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index[0];
611 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index[1];
612 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index[2];
613 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index[3];
615 bond_tx_add_to_queue (ptd, h[0], bi[0]);
616 bond_tx_add_to_queue (ptd, h[1], bi[1]);
617 bond_tx_add_to_queue (ptd, h[2], bi[2]);
618 bond_tx_add_to_queue (ptd, h[3], bi[3]);
628 if (PREDICT_FALSE (single_sw_if_index))
630 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
631 bond_tx_add_to_queue (ptd, 0, bi[0]);
635 u32 sw_if_index0 = *vec_elt_at_index (bif->active_members, h[0]);
637 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
638 bond_tx_add_to_queue (ptd, h[0], bi[0]);
648 static_always_inline void
649 bond_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif,
650 vlib_buffer_t ** b, u32 n_left, u32 * h)
652 uword n_trace = vlib_get_trace_count (vm, node);
654 while (n_trace > 0 && n_left > 0)
657 (vlib_trace_buffer (vm, node, 0, b[0], 0 /* follow_chain */ )))
659 bond_packet_trace_t *t0;
660 ethernet_header_t *eth;
662 vlib_set_trace_count (vm, node, --n_trace);
663 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
664 eth = vlib_buffer_get_current (b[0]);
666 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
669 t0->bond_sw_if_index =
670 *vec_elt_at_index (bif->active_members, 0);
674 t0->bond_sw_if_index =
675 *vec_elt_at_index (bif->active_members, h[0]);
684 VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
685 vlib_node_runtime_t * node,
686 vlib_frame_t * frame)
688 vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
689 bond_main_t *bm = &bond_main;
690 u16 thread_index = vm->thread_index;
691 bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
693 vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
694 u32 *from = vlib_frame_vector_args (frame);
695 u32 n_left = frame->n_vectors;
696 u32 hashes[VLIB_FRAME_SIZE], *h;
697 vnet_main_t *vnm = vnet_get_main ();
698 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
702 if (PREDICT_FALSE (bif->admin_up == 0))
704 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
705 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
706 VNET_INTERFACE_COUNTER_DROP,
707 thread_index, bif->sw_if_index,
709 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
711 return frame->n_vectors;
714 n_members = vec_len (bif->active_members);
715 if (PREDICT_FALSE (n_members == 0))
717 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
718 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
719 VNET_INTERFACE_COUNTER_DROP,
720 thread_index, bif->sw_if_index,
722 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_MEMBER,
724 return frame->n_vectors;
727 vlib_get_buffers (vm, from, bufs, n_left);
729 /* active-backup mode, ship everything to first sw if index */
730 if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_members == 1))
732 sw_if_index = *vec_elt_at_index (bif->active_members, 0);
734 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
735 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
736 /* single_sw_if_index */ 1);
740 if (bif->lb == BOND_LB_BC)
742 sw_if_index = *vec_elt_at_index (bif->active_members, 0);
744 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_BC);
745 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
746 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
747 /* single_sw_if_index */ 1);
751 /* if have at least one member on local numa node, only members on local numa
752 node will transmit pkts when bif->local_numa_only is enabled */
753 if (bif->n_numa_members >= 1)
754 n_members = bif->n_numa_members;
756 if (bif->lb == BOND_LB_L2)
757 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L2);
758 else if (bif->lb == BOND_LB_L34)
759 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L34);
760 else if (bif->lb == BOND_LB_L23)
761 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L23);
762 else if (bif->lb == BOND_LB_RR)
763 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_RR);
767 /* calculate port out of hash */
769 if (BOND_MODULO_SHORTCUT (n_members))
770 bond_hash_to_port (h, frame->n_vectors, n_members, 1);
772 bond_hash_to_port (h, frame->n_vectors, n_members, 0);
774 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
776 bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
777 /* single_sw_if_index */ 0);
780 for (p = 0; p < n_members; p++)
785 sw_if_index = *vec_elt_at_index (bif->active_members, p);
786 if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
788 f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
789 f->n_vectors = ptd->per_port_queue[p].n_buffers;
790 to_next = vlib_frame_vector_args (f);
791 clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
792 f->n_vectors * sizeof (u32));
793 vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
794 ptd->per_port_queue[p].n_buffers = 0;
797 return frame->n_vectors;
801 bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
804 bond_main_t *bm = &bond_main;
806 ip4_neighbor_advertise (bm->vlib_main, bm->vnet_main, sw_if_index, NULL);
807 ip6_neighbor_advertise (bm->vlib_main, bm->vnet_main, sw_if_index, NULL);
809 return (WALK_CONTINUE);
813 bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
815 vnet_main_t *vnm = vnet_get_main ();
816 uword event_type, *event_data = 0;
823 vlib_process_wait_for_event (vm);
824 event_type = vlib_process_get_events (vm, &event_data);
825 ASSERT (event_type == BOND_SEND_GARP_NA);
826 for (i = 0; i < vec_len (event_data); i++)
828 hw_if_index = event_data[i];
829 if (vnet_get_hw_interface_or_null (vnm, hw_if_index))
830 /* walk hw interface to process all subinterfaces */
831 vnet_hw_interface_walk_sw (vnm, hw_if_index,
832 bond_active_interface_switch_cb, 0);
834 vec_reset_length (event_data);
840 VLIB_REGISTER_NODE (bond_process_node) = {
841 .function = bond_process,
842 .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
843 .type = VLIB_NODE_TYPE_PROCESS,
844 .name = "bond-process",
849 VNET_DEVICE_CLASS (bond_dev_class) = {
851 .tx_function_n_errors = BOND_TX_N_ERROR,
852 .tx_function_error_strings = bond_tx_error_strings,
853 .format_device_name = format_bond_interface_name,
854 .set_l2_mode_function = bond_set_l2_mode_function,
855 .admin_up_down_function = bond_interface_admin_up_down,
856 .subif_add_del_function = bond_subif_add_del_function,
857 .format_tx_trace = format_bond_tx_trace,
858 .mac_addr_add_del_function = bond_add_del_mac_address,
863 static clib_error_t *
864 bond_member_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
866 bond_main_t *bm = &bond_main;
868 bond_detach_member_args_t args = { 0 };
872 mif = bond_get_member_by_sw_if_index (sw_if_index);
875 args.member = sw_if_index;
876 bond_detach_member (bm->vlib_main, &args);
880 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (bond_member_interface_add_del);
883 * fd.io coding-style-patch-verification: ON
886 * eval: (c-set-style "gnu")