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>
29 #define foreach_bond_tx_error \
31 _(IF_DOWN, "interface down") \
32 _(NO_MEMBER, "no member")
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 *mif_hw;
90 bif = bond_get_bond_if_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->members)
99 mif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
100 ethernet_set_flags (vnm, mif_hw->hw_if_index,
101 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
104 else if ((bif_hw->l2_if_count == 0) && (l2_if_adjust == -1))
106 /* Just removed last L2 subinterface on this port */
107 vec_foreach (sw_if_index, bif->members)
109 mif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
110 ethernet_set_flags (vnm, mif_hw->hw_if_index,
111 /*ETHERNET_INTERFACE_FLAG_DEFAULT_L3 */ 0);
118 static __clib_unused clib_error_t *
119 bond_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index,
120 struct vnet_sw_interface_t *st, int is_add)
122 /* Nothing for now */
126 static clib_error_t *
127 bond_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
129 vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
130 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
131 bond_main_t *bm = &bond_main;
132 bond_if_t *bif = pool_elt_at_index (bm->interfaces, hif->dev_instance);
134 bif->admin_up = is_up;
136 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
137 VNET_HW_INTERFACE_FLAG_LINK_UP);
141 static clib_error_t *
142 bond_add_del_mac_address (vnet_hw_interface_t * hi, const u8 * address,
145 vnet_main_t *vnm = vnet_get_main ();
147 clib_error_t *error = 0;
148 vnet_hw_interface_t *s_hi;
152 bif = bond_get_bond_if_by_sw_if_index (hi->sw_if_index);
155 return clib_error_return (0,
156 "No bond interface found for sw_if_index %u",
160 /* Add/del address on each member hw intf, they control the hardware */
161 vec_foreach_index (i, bif->members)
163 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->members, i));
164 error = vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
171 /* undo any that were completed before the failure */
172 for (j = i - 1; j > -1; j--)
174 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->members, j));
175 vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
186 static_always_inline void
187 bond_tx_add_to_queue (bond_per_thread_data_t * ptd, u32 port, u32 bi)
189 u32 idx = ptd->per_port_queue[port].n_buffers++;
190 ptd->per_port_queue[port].buffers[idx] = bi;
193 static_always_inline u32
194 bond_lb_broadcast (vlib_main_t * vm,
195 bond_if_t * bif, vlib_buffer_t * b0, uword n_members)
197 bond_main_t *bm = &bond_main;
201 u16 thread_index = vm->thread_index;
202 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
205 for (port = 1; port < n_members; port++)
207 sw_if_index = *vec_elt_at_index (bif->active_members, port);
208 c0 = vlib_buffer_copy (vm, b0);
209 if (PREDICT_TRUE (c0 != 0))
211 vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
212 bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
219 static_always_inline u32
220 bond_lb_l2 (vlib_buffer_t * b0)
222 ethernet_header_t *eth = vlib_buffer_get_current (b0);
223 u64 *dst = (u64 *) & eth->dst_address[0];
224 u64 a = clib_mem_unaligned (dst, u64);
225 u32 *src = (u32 *) & eth->src_address[2];
226 u32 b = clib_mem_unaligned (src, u32);
228 return lb_hash_hash_2_tuples (a, b);
231 static_always_inline u16 *
232 bond_locate_ethertype (ethernet_header_t * eth)
235 ethernet_vlan_header_t *vlan;
237 if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
239 ethertype_p = ð->type;
243 vlan = (void *) (eth + 1);
244 ethertype_p = &vlan->type;
245 if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
248 ethertype_p = &vlan->type;
254 static_always_inline u32
255 bond_lb_l23 (vlib_buffer_t * b0)
257 ethernet_header_t *eth = vlib_buffer_get_current (b0);
260 u16 ethertype, *ethertype_p;
261 u32 *mac1, *mac2, *mac3;
263 ethertype_p = bond_locate_ethertype (eth);
264 ethertype = clib_mem_unaligned (ethertype_p, u16);
266 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
267 (ethertype != htons (ETHERNET_TYPE_IP6)))
268 return bond_lb_l2 (b0);
270 ip4 = (ip4_header_t *) (ethertype_p + 1);
271 ip_version = (ip4->ip_version_and_header_length >> 4);
273 if (ip_version == 0x4)
277 mac1 = (u32 *) & eth->dst_address[0];
278 mac2 = (u32 *) & eth->dst_address[4];
279 mac3 = (u32 *) & eth->src_address[2];
281 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
282 clib_mem_unaligned (mac3, u32);
284 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
288 else if (ip_version == 0x6)
292 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
294 mac1 = (u32 *) & eth->dst_address[0];
295 mac2 = (u32 *) & eth->dst_address[4];
296 mac3 = (u32 *) & eth->src_address[2];
298 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
299 clib_mem_unaligned (mac3, u32);
301 lb_hash_hash (clib_mem_unaligned
302 (&ip6->src_address.as_uword[0], uword),
303 clib_mem_unaligned (&ip6->src_address.as_uword[1],
305 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
307 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
311 return bond_lb_l2 (b0);
314 static_always_inline u32
315 bond_lb_l34 (vlib_buffer_t * b0)
317 ethernet_header_t *eth = vlib_buffer_get_current (b0);
321 u16 ethertype, *ethertype_p;
323 ethertype_p = bond_locate_ethertype (eth);
324 ethertype = clib_mem_unaligned (ethertype_p, u16);
326 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
327 (ethertype != htons (ETHERNET_TYPE_IP6)))
328 return (bond_lb_l2 (b0));
330 ip4 = (ip4_header_t *) (ethertype_p + 1);
331 ip_version = (ip4->ip_version_and_header_length >> 4);
333 if (ip_version == 0x4)
336 tcp_header_t *tcp = (void *) (ip4 + 1);
338 is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
339 (ip4->protocol == IP_PROTOCOL_UDP);
340 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
341 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
344 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
347 else if (ip_version == 0x6)
351 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
352 tcp_header_t *tcp = (void *) (ip6 + 1);
355 if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
356 (ip6->protocol == IP_PROTOCOL_UDP)))
359 tcp = (void *) (ip6 + 1);
361 else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
363 ip6_hop_by_hop_header_t *hbh =
364 (ip6_hop_by_hop_header_t *) (ip6 + 1);
365 if ((hbh->protocol == IP_PROTOCOL_TCP)
366 || (hbh->protocol == IP_PROTOCOL_UDP))
369 tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
372 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
373 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
376 lb_hash_hash (clib_mem_unaligned
377 (&ip6->src_address.as_uword[0], uword),
378 clib_mem_unaligned (&ip6->src_address.as_uword[1],
380 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
382 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
387 return bond_lb_l2 (b0);
390 static_always_inline u32
391 bond_lb_round_robin (bond_if_t * bif, vlib_buffer_t * b0, uword n_members)
393 bif->lb_rr_last_index++;
394 if (bif->lb_rr_last_index >= n_members)
395 bif->lb_rr_last_index = 0;
397 return bif->lb_rr_last_index;
400 static_always_inline void
401 bond_tx_inline (vlib_main_t * vm, bond_if_t * bif, vlib_buffer_t ** b,
402 u32 * h, u32 n_left, uword n_members, u32 lb_alg)
406 // Prefetch next iteration
409 vlib_buffer_t **pb = b + 4;
411 vlib_prefetch_buffer_header (pb[0], LOAD);
412 vlib_prefetch_buffer_header (pb[1], LOAD);
413 vlib_prefetch_buffer_header (pb[2], LOAD);
414 vlib_prefetch_buffer_header (pb[3], LOAD);
416 CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
417 CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
418 CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
419 CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
422 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
423 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
424 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
425 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
427 if (lb_alg == BOND_LB_L2)
429 h[0] = bond_lb_l2 (b[0]);
430 h[1] = bond_lb_l2 (b[1]);
431 h[2] = bond_lb_l2 (b[2]);
432 h[3] = bond_lb_l2 (b[3]);
434 else if (lb_alg == BOND_LB_L34)
436 h[0] = bond_lb_l34 (b[0]);
437 h[1] = bond_lb_l34 (b[1]);
438 h[2] = bond_lb_l34 (b[2]);
439 h[3] = bond_lb_l34 (b[3]);
441 else if (lb_alg == BOND_LB_L23)
443 h[0] = bond_lb_l23 (b[0]);
444 h[1] = bond_lb_l23 (b[1]);
445 h[2] = bond_lb_l23 (b[2]);
446 h[3] = bond_lb_l23 (b[3]);
448 else if (lb_alg == BOND_LB_RR)
450 h[0] = bond_lb_round_robin (bif, b[0], n_members);
451 h[1] = bond_lb_round_robin (bif, b[1], n_members);
452 h[2] = bond_lb_round_robin (bif, b[2], n_members);
453 h[3] = bond_lb_round_robin (bif, b[3], n_members);
455 else if (lb_alg == BOND_LB_BC)
457 h[0] = bond_lb_broadcast (vm, bif, b[0], n_members);
458 h[1] = bond_lb_broadcast (vm, bif, b[1], n_members);
459 h[2] = bond_lb_broadcast (vm, bif, b[2], n_members);
460 h[3] = bond_lb_broadcast (vm, bif, b[3], n_members);
474 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
476 if (bif->lb == BOND_LB_L2)
477 h[0] = bond_lb_l2 (b[0]);
478 else if (bif->lb == BOND_LB_L34)
479 h[0] = bond_lb_l34 (b[0]);
480 else if (bif->lb == BOND_LB_L23)
481 h[0] = bond_lb_l23 (b[0]);
482 else if (bif->lb == BOND_LB_RR)
483 h[0] = bond_lb_round_robin (bif, b[0], n_members);
484 else if (bif->lb == BOND_LB_BC)
485 h[0] = bond_lb_broadcast (vm, bif, b[0], n_members);
497 static_always_inline void
498 bond_hash_to_port (u32 * h, u32 n_left, u32 n_members,
499 int use_modulo_shortcut)
501 u32 mask = n_members - 1;
503 #ifdef CLIB_HAVE_VEC256
504 /* only lower 16 bits of hash due to single precision fp arithmetic */
505 u32x8 mask8, sc8u, h8a, h8b;
508 if (use_modulo_shortcut)
510 mask8 = u32x8_splat (mask);
514 mask8 = u32x8_splat (0xffff);
515 sc8u = u32x8_splat (n_members);
516 sc8f = f32x8_from_u32x8 (sc8u);
521 h8a = u32x8_load_unaligned (h) & mask8;
522 h8b = u32x8_load_unaligned (h + 8) & mask8;
524 if (use_modulo_shortcut == 0)
526 h8a -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8a) / sc8f);
527 h8b -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8b) / sc8f);
530 u32x8_store_unaligned (h8a, h);
531 u32x8_store_unaligned (h8b, h + 8);
539 if (use_modulo_shortcut)
558 if (use_modulo_shortcut)
567 static_always_inline void
568 bond_update_sw_if_index (bond_per_thread_data_t * ptd, bond_if_t * bif,
569 u32 * bi, vlib_buffer_t ** b, u32 * data, u32 n_left,
570 int single_sw_if_index)
572 u32 sw_if_index = data[0];
577 // Prefetch next iteration
580 vlib_buffer_t **pb = b + 4;
581 vlib_prefetch_buffer_header (pb[0], LOAD);
582 vlib_prefetch_buffer_header (pb[1], LOAD);
583 vlib_prefetch_buffer_header (pb[2], LOAD);
584 vlib_prefetch_buffer_header (pb[3], LOAD);
587 if (PREDICT_FALSE (single_sw_if_index))
589 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
590 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index;
591 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index;
592 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index;
594 bond_tx_add_to_queue (ptd, 0, bi[0]);
595 bond_tx_add_to_queue (ptd, 0, bi[1]);
596 bond_tx_add_to_queue (ptd, 0, bi[2]);
597 bond_tx_add_to_queue (ptd, 0, bi[3]);
603 sw_if_index[0] = *vec_elt_at_index (bif->active_members, h[0]);
604 sw_if_index[1] = *vec_elt_at_index (bif->active_members, h[1]);
605 sw_if_index[2] = *vec_elt_at_index (bif->active_members, h[2]);
606 sw_if_index[3] = *vec_elt_at_index (bif->active_members, h[3]);
608 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index[0];
609 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index[1];
610 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index[2];
611 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index[3];
613 bond_tx_add_to_queue (ptd, h[0], bi[0]);
614 bond_tx_add_to_queue (ptd, h[1], bi[1]);
615 bond_tx_add_to_queue (ptd, h[2], bi[2]);
616 bond_tx_add_to_queue (ptd, h[3], bi[3]);
626 if (PREDICT_FALSE (single_sw_if_index))
628 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
629 bond_tx_add_to_queue (ptd, 0, bi[0]);
633 u32 sw_if_index0 = *vec_elt_at_index (bif->active_members, h[0]);
635 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
636 bond_tx_add_to_queue (ptd, h[0], bi[0]);
646 static_always_inline void
647 bond_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif,
648 vlib_buffer_t ** b, u32 n_left, u32 * h)
650 uword n_trace = vlib_get_trace_count (vm, node);
652 while (n_trace > 0 && n_left > 0)
654 bond_packet_trace_t *t0;
655 ethernet_header_t *eth;
658 vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
659 vlib_set_trace_count (vm, node, --n_trace);
660 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
661 eth = vlib_buffer_get_current (b[0]);
663 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
666 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_members, 0);
670 t0->bond_sw_if_index =
671 *vec_elt_at_index (bif->active_members, h[0]);
679 VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
680 vlib_node_runtime_t * node,
681 vlib_frame_t * frame)
683 vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
684 bond_main_t *bm = &bond_main;
685 u16 thread_index = vm->thread_index;
686 bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
688 vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
689 u32 *from = vlib_frame_vector_args (frame);
690 u32 n_left = frame->n_vectors;
691 u32 hashes[VLIB_FRAME_SIZE], *h;
692 vnet_main_t *vnm = vnet_get_main ();
693 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
697 if (PREDICT_FALSE (bif->admin_up == 0))
699 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
700 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
701 VNET_INTERFACE_COUNTER_DROP,
702 thread_index, bif->sw_if_index,
704 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
706 return frame->n_vectors;
709 n_members = vec_len (bif->active_members);
710 if (PREDICT_FALSE (n_members == 0))
712 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
713 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
714 VNET_INTERFACE_COUNTER_DROP,
715 thread_index, bif->sw_if_index,
717 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_MEMBER,
719 return frame->n_vectors;
722 vlib_get_buffers (vm, from, bufs, n_left);
724 /* active-backup mode, ship everything to first sw if index */
725 if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_members == 1))
727 sw_if_index = *vec_elt_at_index (bif->active_members, 0);
729 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
730 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
731 /* single_sw_if_index */ 1);
735 if (bif->lb == BOND_LB_BC)
737 sw_if_index = *vec_elt_at_index (bif->active_members, 0);
739 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_BC);
740 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
741 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
742 /* single_sw_if_index */ 1);
746 /* if have at least one member on local numa node, only members on local numa
747 node will transmit pkts when bif->local_numa_only is enabled */
748 if (bif->n_numa_members >= 1)
749 n_members = bif->n_numa_members;
751 if (bif->lb == BOND_LB_L2)
752 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L2);
753 else if (bif->lb == BOND_LB_L34)
754 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L34);
755 else if (bif->lb == BOND_LB_L23)
756 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_L23);
757 else if (bif->lb == BOND_LB_RR)
758 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_RR);
762 /* calculate port out of hash */
764 if (BOND_MODULO_SHORTCUT (n_members))
765 bond_hash_to_port (h, frame->n_vectors, n_members, 1);
767 bond_hash_to_port (h, frame->n_vectors, n_members, 0);
769 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
771 bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
772 /* single_sw_if_index */ 0);
775 for (p = 0; p < n_members; p++)
780 sw_if_index = *vec_elt_at_index (bif->active_members, p);
781 if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
783 f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
784 f->n_vectors = ptd->per_port_queue[p].n_buffers;
785 to_next = vlib_frame_vector_args (f);
786 clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
787 f->n_vectors * sizeof (u32));
788 vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
789 ptd->per_port_queue[p].n_buffers = 0;
792 return frame->n_vectors;
796 bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
799 bond_main_t *bm = &bond_main;
801 ip_neighbor_advertise (bm->vlib_main, IP46_TYPE_BOTH, NULL, sw_if_index);
803 return (WALK_CONTINUE);
807 bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
809 vnet_main_t *vnm = vnet_get_main ();
810 uword event_type, *event_data = 0;
817 vlib_process_wait_for_event (vm);
818 event_type = vlib_process_get_events (vm, &event_data);
819 ASSERT (event_type == BOND_SEND_GARP_NA);
820 for (i = 0; i < vec_len (event_data); i++)
822 hw_if_index = event_data[i];
823 if (vnet_get_hw_interface_or_null (vnm, hw_if_index))
824 /* walk hw interface to process all subinterfaces */
825 vnet_hw_interface_walk_sw (vnm, hw_if_index,
826 bond_active_interface_switch_cb, 0);
828 vec_reset_length (event_data);
834 VLIB_REGISTER_NODE (bond_process_node) = {
835 .function = bond_process,
836 .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
837 .type = VLIB_NODE_TYPE_PROCESS,
838 .name = "bond-process",
843 VNET_DEVICE_CLASS (bond_dev_class) = {
845 .tx_function_n_errors = BOND_TX_N_ERROR,
846 .tx_function_error_strings = bond_tx_error_strings,
847 .format_device_name = format_bond_interface_name,
848 .set_l2_mode_function = bond_set_l2_mode_function,
849 .admin_up_down_function = bond_interface_admin_up_down,
850 .subif_add_del_function = bond_subif_add_del_function,
851 .format_tx_trace = format_bond_tx_trace,
852 .mac_addr_add_del_function = bond_add_del_mac_address,
857 static clib_error_t *
858 bond_member_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
860 bond_main_t *bm = &bond_main;
862 bond_detach_member_args_t args = { 0 };
866 mif = bond_get_member_by_sw_if_index (sw_if_index);
869 args.member = sw_if_index;
870 bond_detach_member (bm->vlib_main, &args);
874 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (bond_member_interface_add_del);
877 * fd.io coding-style-patch-verification: ON
880 * eval: (c-set-style "gnu")