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_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 clib_error_t *
146 bond_add_del_mac_address (vnet_hw_interface_t * hi, const u8 * address,
149 vnet_main_t *vnm = vnet_get_main ();
151 clib_error_t *error = 0;
152 vnet_hw_interface_t *s_hi;
156 bif = bond_get_master_by_sw_if_index (hi->sw_if_index);
159 return clib_error_return (0, "No bond master found for sw_if_index %u",
163 /* Add/del address on each slave hw intf, they control the hardware */
164 vec_foreach_index (i, bif->slaves)
166 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->slaves, i));
167 error = vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
174 /* undo any that were completed before the failure */
175 for (j = i - 1; j > -1; j--)
177 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->slaves, j));
178 vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
189 static_always_inline void
190 bond_tx_add_to_queue (bond_per_thread_data_t * ptd, u32 port, u32 bi)
192 u32 idx = ptd->per_port_queue[port].n_buffers++;
193 ptd->per_port_queue[port].buffers[idx] = bi;
196 static_always_inline u32
197 bond_lb_broadcast (vlib_main_t * vm,
198 bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
200 bond_main_t *bm = &bond_main;
204 u16 thread_index = vm->thread_index;
205 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
208 for (port = 1; port < n_slaves; port++)
210 sw_if_index = *vec_elt_at_index (bif->active_slaves, port);
211 c0 = vlib_buffer_copy (vm, b0);
212 if (PREDICT_TRUE (c0 != 0))
214 vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
215 bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
222 static_always_inline u32
223 bond_lb_l2 (vlib_buffer_t * b0)
225 ethernet_header_t *eth = vlib_buffer_get_current (b0);
226 u64 *dst = (u64 *) & eth->dst_address[0];
227 u64 a = clib_mem_unaligned (dst, u64);
228 u32 *src = (u32 *) & eth->src_address[2];
229 u32 b = clib_mem_unaligned (src, u32);
231 return lb_hash_hash_2_tuples (a, b);
234 static_always_inline u16 *
235 bond_locate_ethertype (ethernet_header_t * eth)
238 ethernet_vlan_header_t *vlan;
240 if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
242 ethertype_p = ð->type;
246 vlan = (void *) (eth + 1);
247 ethertype_p = &vlan->type;
248 if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
251 ethertype_p = &vlan->type;
257 static_always_inline u32
258 bond_lb_l23 (vlib_buffer_t * b0)
260 ethernet_header_t *eth = vlib_buffer_get_current (b0);
263 u16 ethertype, *ethertype_p;
264 u32 *mac1, *mac2, *mac3;
266 ethertype_p = bond_locate_ethertype (eth);
267 ethertype = clib_mem_unaligned (ethertype_p, u16);
269 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
270 (ethertype != htons (ETHERNET_TYPE_IP6)))
271 return bond_lb_l2 (b0);
273 ip4 = (ip4_header_t *) (ethertype_p + 1);
274 ip_version = (ip4->ip_version_and_header_length >> 4);
276 if (ip_version == 0x4)
280 mac1 = (u32 *) & eth->dst_address[0];
281 mac2 = (u32 *) & eth->dst_address[4];
282 mac3 = (u32 *) & eth->src_address[2];
284 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
285 clib_mem_unaligned (mac3, u32);
287 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
291 else if (ip_version == 0x6)
295 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
297 mac1 = (u32 *) & eth->dst_address[0];
298 mac2 = (u32 *) & eth->dst_address[4];
299 mac3 = (u32 *) & eth->src_address[2];
301 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
302 clib_mem_unaligned (mac3, u32);
304 lb_hash_hash (clib_mem_unaligned
305 (&ip6->src_address.as_uword[0], uword),
306 clib_mem_unaligned (&ip6->src_address.as_uword[1],
308 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
310 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
314 return bond_lb_l2 (b0);
317 static_always_inline u32
318 bond_lb_l34 (vlib_buffer_t * b0)
320 ethernet_header_t *eth = vlib_buffer_get_current (b0);
324 u16 ethertype, *ethertype_p;
326 ethertype_p = bond_locate_ethertype (eth);
327 ethertype = clib_mem_unaligned (ethertype_p, u16);
329 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
330 (ethertype != htons (ETHERNET_TYPE_IP6)))
331 return (bond_lb_l2 (b0));
333 ip4 = (ip4_header_t *) (ethertype_p + 1);
334 ip_version = (ip4->ip_version_and_header_length >> 4);
336 if (ip_version == 0x4)
339 tcp_header_t *tcp = (void *) (ip4 + 1);
341 is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
342 (ip4->protocol == IP_PROTOCOL_UDP);
343 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
344 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
347 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
350 else if (ip_version == 0x6)
354 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
355 tcp_header_t *tcp = (void *) (ip6 + 1);
358 if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
359 (ip6->protocol == IP_PROTOCOL_UDP)))
362 tcp = (void *) (ip6 + 1);
364 else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
366 ip6_hop_by_hop_header_t *hbh =
367 (ip6_hop_by_hop_header_t *) (ip6 + 1);
368 if ((hbh->protocol == IP_PROTOCOL_TCP)
369 || (hbh->protocol == IP_PROTOCOL_UDP))
372 tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
375 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
376 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
379 lb_hash_hash (clib_mem_unaligned
380 (&ip6->src_address.as_uword[0], uword),
381 clib_mem_unaligned (&ip6->src_address.as_uword[1],
383 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
385 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
390 return bond_lb_l2 (b0);
393 static_always_inline u32
394 bond_lb_round_robin (bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
396 bif->lb_rr_last_index++;
397 if (bif->lb_rr_last_index >= n_slaves)
398 bif->lb_rr_last_index = 0;
400 return bif->lb_rr_last_index;
403 static_always_inline void
404 bond_tx_inline (vlib_main_t * vm, bond_if_t * bif, vlib_buffer_t ** b,
405 u32 * h, u32 n_left, uword n_slaves, u32 lb_alg)
409 // Prefetch next iteration
412 vlib_buffer_t **pb = b + 4;
414 vlib_prefetch_buffer_header (pb[0], LOAD);
415 vlib_prefetch_buffer_header (pb[1], LOAD);
416 vlib_prefetch_buffer_header (pb[2], LOAD);
417 vlib_prefetch_buffer_header (pb[3], LOAD);
419 CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
420 CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
421 CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
422 CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
425 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
426 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
427 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
428 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
430 if (lb_alg == BOND_LB_L2)
432 h[0] = bond_lb_l2 (b[0]);
433 h[1] = bond_lb_l2 (b[1]);
434 h[2] = bond_lb_l2 (b[2]);
435 h[3] = bond_lb_l2 (b[3]);
437 else if (lb_alg == BOND_LB_L34)
439 h[0] = bond_lb_l34 (b[0]);
440 h[1] = bond_lb_l34 (b[1]);
441 h[2] = bond_lb_l34 (b[2]);
442 h[3] = bond_lb_l34 (b[3]);
444 else if (lb_alg == BOND_LB_L23)
446 h[0] = bond_lb_l23 (b[0]);
447 h[1] = bond_lb_l23 (b[1]);
448 h[2] = bond_lb_l23 (b[2]);
449 h[3] = bond_lb_l23 (b[3]);
451 else if (lb_alg == BOND_LB_RR)
453 h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
454 h[1] = bond_lb_round_robin (bif, b[1], n_slaves);
455 h[2] = bond_lb_round_robin (bif, b[2], n_slaves);
456 h[3] = bond_lb_round_robin (bif, b[3], n_slaves);
458 else if (lb_alg == BOND_LB_BC)
460 h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
461 h[1] = bond_lb_broadcast (vm, bif, b[1], n_slaves);
462 h[2] = bond_lb_broadcast (vm, bif, b[2], n_slaves);
463 h[3] = bond_lb_broadcast (vm, bif, b[3], n_slaves);
477 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
479 if (bif->lb == BOND_LB_L2)
480 h[0] = bond_lb_l2 (b[0]);
481 else if (bif->lb == BOND_LB_L34)
482 h[0] = bond_lb_l34 (b[0]);
483 else if (bif->lb == BOND_LB_L23)
484 h[0] = bond_lb_l23 (b[0]);
485 else if (bif->lb == BOND_LB_RR)
486 h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
487 else if (bif->lb == BOND_LB_BC)
488 h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
500 static_always_inline void
501 bond_hash_to_port (u32 * h, u32 n_left, u32 n_slaves, int use_modulo_shortcut)
503 u32 mask = n_slaves - 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_slaves);
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_slaves, h[0]);
606 sw_if_index[1] = *vec_elt_at_index (bif->active_slaves, h[1]);
607 sw_if_index[2] = *vec_elt_at_index (bif->active_slaves, h[2]);
608 sw_if_index[3] = *vec_elt_at_index (bif->active_slaves, 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_slaves, 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)
656 bond_packet_trace_t *t0;
657 ethernet_header_t *eth;
660 vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
661 vlib_set_trace_count (vm, node, --n_trace);
662 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
663 eth = vlib_buffer_get_current (b[0]);
665 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
668 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
672 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, h[0]);
680 VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
681 vlib_node_runtime_t * node,
682 vlib_frame_t * frame)
684 vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
685 bond_main_t *bm = &bond_main;
686 u16 thread_index = vm->thread_index;
687 bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
689 vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
690 u32 *from = vlib_frame_vector_args (frame);
691 u32 n_left = frame->n_vectors;
692 u32 hashes[VLIB_FRAME_SIZE], *h;
693 vnet_main_t *vnm = vnet_get_main ();
694 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
698 if (PREDICT_FALSE (bif->admin_up == 0))
700 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
701 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
702 VNET_INTERFACE_COUNTER_DROP,
703 thread_index, bif->sw_if_index,
705 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
707 return frame->n_vectors;
710 n_slaves = vec_len (bif->active_slaves);
711 if (PREDICT_FALSE (n_slaves == 0))
713 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
714 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
715 VNET_INTERFACE_COUNTER_DROP,
716 thread_index, bif->sw_if_index,
718 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_SLAVE,
720 return frame->n_vectors;
723 vlib_get_buffers (vm, from, bufs, n_left);
725 /* active-backup mode, ship everything to first sw if index */
726 if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_slaves == 1))
728 sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
730 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
731 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
732 /* single_sw_if_index */ 1);
736 if (bif->lb == BOND_LB_BC)
738 sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
740 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_BC);
741 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
742 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
743 /* single_sw_if_index */ 1);
747 /* if have at least one slave on local numa node, only slaves on local numa
748 node will transmit pkts when bif->local_numa_only is enabled */
749 if (bif->n_numa_slaves >= 1)
750 n_slaves = bif->n_numa_slaves;
752 if (bif->lb == BOND_LB_L2)
753 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L2);
754 else if (bif->lb == BOND_LB_L34)
755 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L34);
756 else if (bif->lb == BOND_LB_L23)
757 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L23);
758 else if (bif->lb == BOND_LB_RR)
759 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_RR);
763 /* calculate port out of hash */
765 if (BOND_MODULO_SHORTCUT (n_slaves))
766 bond_hash_to_port (h, frame->n_vectors, n_slaves, 1);
768 bond_hash_to_port (h, frame->n_vectors, n_slaves, 0);
770 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
772 bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
773 /* single_sw_if_index */ 0);
776 for (p = 0; p < n_slaves; p++)
781 sw_if_index = *vec_elt_at_index (bif->active_slaves, p);
782 if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
784 f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
785 f->n_vectors = ptd->per_port_queue[p].n_buffers;
786 to_next = vlib_frame_vector_args (f);
787 clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
788 f->n_vectors * sizeof (u32));
789 vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
790 ptd->per_port_queue[p].n_buffers = 0;
793 return frame->n_vectors;
797 bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
800 bond_main_t *bm = &bond_main;
802 ip_neighbor_advertise (bm->vlib_main, IP46_TYPE_BOTH, NULL, sw_if_index);
804 return (WALK_CONTINUE);
808 bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
810 vnet_main_t *vnm = vnet_get_main ();
811 uword event_type, *event_data = 0;
818 vlib_process_wait_for_event (vm);
819 event_type = vlib_process_get_events (vm, &event_data);
820 ASSERT (event_type == BOND_SEND_GARP_NA);
821 for (i = 0; i < vec_len (event_data); i++)
823 hw_if_index = event_data[i];
824 if (vnet_get_hw_interface_or_null (vnm, hw_if_index))
825 /* walk hw interface to process all subinterfaces */
826 vnet_hw_interface_walk_sw (vnm, hw_if_index,
827 bond_active_interface_switch_cb, 0);
829 vec_reset_length (event_data);
835 VLIB_REGISTER_NODE (bond_process_node) = {
836 .function = bond_process,
837 .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
838 .type = VLIB_NODE_TYPE_PROCESS,
839 .name = "bond-process",
844 VNET_DEVICE_CLASS (bond_dev_class) = {
846 .tx_function_n_errors = BOND_TX_N_ERROR,
847 .tx_function_error_strings = bond_tx_error_strings,
848 .format_device_name = format_bond_interface_name,
849 .set_l2_mode_function = bond_set_l2_mode_function,
850 .admin_up_down_function = bond_interface_admin_up_down,
851 .subif_add_del_function = bond_subif_add_del_function,
852 .format_tx_trace = format_bond_tx_trace,
853 .mac_addr_add_del_function = bond_add_del_mac_address,
858 static clib_error_t *
859 bond_slave_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
861 bond_main_t *bm = &bond_main;
863 bond_detach_slave_args_t args = { 0 };
867 sif = bond_get_slave_by_sw_if_index (sw_if_index);
870 args.slave = sw_if_index;
871 bond_detach_slave (bm->vlib_main, &args);
875 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (bond_slave_interface_add_del);
878 * fd.io coding-style-patch-verification: ON
881 * eval: (c-set-style "gnu")