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);
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->slaves)
109 sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index);
110 ethernet_set_flags (vnm, sif_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;
135 if (is_up && vec_len (bif->active_slaves))
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_master_by_sw_if_index (hi->sw_if_index);
155 return clib_error_return (0, "No bond master found for sw_if_index %u",
159 /* Add/del address on each slave hw intf, they control the hardware */
160 vec_foreach_index (i, bif->slaves)
162 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->slaves, i));
163 error = vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
170 /* undo any that were completed before the failure */
171 for (j = i - 1; j > -1; j--)
173 s_hi = vnet_get_sup_hw_interface (vnm, vec_elt (bif->slaves, j));
174 vnet_hw_interface_add_del_mac_address (vnm, s_hi->hw_if_index,
185 static_always_inline void
186 bond_tx_add_to_queue (bond_per_thread_data_t * ptd, u32 port, u32 bi)
188 u32 idx = ptd->per_port_queue[port].n_buffers++;
189 ptd->per_port_queue[port].buffers[idx] = bi;
192 static_always_inline u32
193 bond_lb_broadcast (vlib_main_t * vm,
194 bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
196 bond_main_t *bm = &bond_main;
200 u16 thread_index = vm->thread_index;
201 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
204 for (port = 1; port < n_slaves; port++)
206 sw_if_index = *vec_elt_at_index (bif->active_slaves, port);
207 c0 = vlib_buffer_copy (vm, b0);
208 if (PREDICT_TRUE (c0 != 0))
210 vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
211 bond_tx_add_to_queue (ptd, port, vlib_get_buffer_index (vm, c0));
218 static_always_inline u32
219 bond_lb_l2 (vlib_buffer_t * b0)
221 ethernet_header_t *eth = vlib_buffer_get_current (b0);
222 u64 *dst = (u64 *) & eth->dst_address[0];
223 u64 a = clib_mem_unaligned (dst, u64);
224 u32 *src = (u32 *) & eth->src_address[2];
225 u32 b = clib_mem_unaligned (src, u32);
227 return lb_hash_hash_2_tuples (a, b);
230 static_always_inline u16 *
231 bond_locate_ethertype (ethernet_header_t * eth)
234 ethernet_vlan_header_t *vlan;
236 if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
238 ethertype_p = ð->type;
242 vlan = (void *) (eth + 1);
243 ethertype_p = &vlan->type;
244 if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
247 ethertype_p = &vlan->type;
253 static_always_inline u32
254 bond_lb_l23 (vlib_buffer_t * b0)
256 ethernet_header_t *eth = vlib_buffer_get_current (b0);
259 u16 ethertype, *ethertype_p;
260 u32 *mac1, *mac2, *mac3;
262 ethertype_p = bond_locate_ethertype (eth);
263 ethertype = clib_mem_unaligned (ethertype_p, u16);
265 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
266 (ethertype != htons (ETHERNET_TYPE_IP6)))
267 return bond_lb_l2 (b0);
269 ip4 = (ip4_header_t *) (ethertype_p + 1);
270 ip_version = (ip4->ip_version_and_header_length >> 4);
272 if (ip_version == 0x4)
276 mac1 = (u32 *) & eth->dst_address[0];
277 mac2 = (u32 *) & eth->dst_address[4];
278 mac3 = (u32 *) & eth->src_address[2];
280 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
281 clib_mem_unaligned (mac3, u32);
283 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
287 else if (ip_version == 0x6)
291 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
293 mac1 = (u32 *) & eth->dst_address[0];
294 mac2 = (u32 *) & eth->dst_address[4];
295 mac3 = (u32 *) & eth->src_address[2];
297 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
298 clib_mem_unaligned (mac3, u32);
300 lb_hash_hash (clib_mem_unaligned
301 (&ip6->src_address.as_uword[0], uword),
302 clib_mem_unaligned (&ip6->src_address.as_uword[1],
304 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
306 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
310 return bond_lb_l2 (b0);
313 static_always_inline u32
314 bond_lb_l34 (vlib_buffer_t * b0)
316 ethernet_header_t *eth = vlib_buffer_get_current (b0);
320 u16 ethertype, *ethertype_p;
322 ethertype_p = bond_locate_ethertype (eth);
323 ethertype = clib_mem_unaligned (ethertype_p, u16);
325 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
326 (ethertype != htons (ETHERNET_TYPE_IP6)))
327 return (bond_lb_l2 (b0));
329 ip4 = (ip4_header_t *) (ethertype_p + 1);
330 ip_version = (ip4->ip_version_and_header_length >> 4);
332 if (ip_version == 0x4)
335 tcp_header_t *tcp = (void *) (ip4 + 1);
337 is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
338 (ip4->protocol == IP_PROTOCOL_UDP);
339 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
340 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
343 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
346 else if (ip_version == 0x6)
350 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
351 tcp_header_t *tcp = (void *) (ip6 + 1);
354 if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
355 (ip6->protocol == IP_PROTOCOL_UDP)))
358 tcp = (void *) (ip6 + 1);
360 else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
362 ip6_hop_by_hop_header_t *hbh =
363 (ip6_hop_by_hop_header_t *) (ip6 + 1);
364 if ((hbh->protocol == IP_PROTOCOL_TCP)
365 || (hbh->protocol == IP_PROTOCOL_UDP))
368 tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
371 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
372 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
375 lb_hash_hash (clib_mem_unaligned
376 (&ip6->src_address.as_uword[0], uword),
377 clib_mem_unaligned (&ip6->src_address.as_uword[1],
379 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
381 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
386 return bond_lb_l2 (b0);
389 static_always_inline u32
390 bond_lb_round_robin (bond_if_t * bif, vlib_buffer_t * b0, uword n_slaves)
392 bif->lb_rr_last_index++;
393 if (bif->lb_rr_last_index >= n_slaves)
394 bif->lb_rr_last_index = 0;
396 return bif->lb_rr_last_index;
399 static_always_inline void
400 bond_tx_inline (vlib_main_t * vm, bond_if_t * bif, vlib_buffer_t ** b,
401 u32 * h, u32 n_left, uword n_slaves, u32 lb_alg)
405 // Prefetch next iteration
408 vlib_buffer_t **pb = b + 4;
410 vlib_prefetch_buffer_header (pb[0], LOAD);
411 vlib_prefetch_buffer_header (pb[1], LOAD);
412 vlib_prefetch_buffer_header (pb[2], LOAD);
413 vlib_prefetch_buffer_header (pb[3], LOAD);
415 CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD);
416 CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
417 CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD);
418 CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD);
421 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
422 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]);
423 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
424 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
426 if (lb_alg == BOND_LB_L2)
428 h[0] = bond_lb_l2 (b[0]);
429 h[1] = bond_lb_l2 (b[1]);
430 h[2] = bond_lb_l2 (b[2]);
431 h[3] = bond_lb_l2 (b[3]);
433 else if (lb_alg == BOND_LB_L34)
435 h[0] = bond_lb_l34 (b[0]);
436 h[1] = bond_lb_l34 (b[1]);
437 h[2] = bond_lb_l34 (b[2]);
438 h[3] = bond_lb_l34 (b[3]);
440 else if (lb_alg == BOND_LB_L23)
442 h[0] = bond_lb_l23 (b[0]);
443 h[1] = bond_lb_l23 (b[1]);
444 h[2] = bond_lb_l23 (b[2]);
445 h[3] = bond_lb_l23 (b[3]);
447 else if (lb_alg == BOND_LB_RR)
449 h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
450 h[1] = bond_lb_round_robin (bif, b[1], n_slaves);
451 h[2] = bond_lb_round_robin (bif, b[2], n_slaves);
452 h[3] = bond_lb_round_robin (bif, b[3], n_slaves);
454 else if (lb_alg == BOND_LB_BC)
456 h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
457 h[1] = bond_lb_broadcast (vm, bif, b[1], n_slaves);
458 h[2] = bond_lb_broadcast (vm, bif, b[2], n_slaves);
459 h[3] = bond_lb_broadcast (vm, bif, b[3], n_slaves);
473 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
475 if (bif->lb == BOND_LB_L2)
476 h[0] = bond_lb_l2 (b[0]);
477 else if (bif->lb == BOND_LB_L34)
478 h[0] = bond_lb_l34 (b[0]);
479 else if (bif->lb == BOND_LB_L23)
480 h[0] = bond_lb_l23 (b[0]);
481 else if (bif->lb == BOND_LB_RR)
482 h[0] = bond_lb_round_robin (bif, b[0], n_slaves);
483 else if (bif->lb == BOND_LB_BC)
484 h[0] = bond_lb_broadcast (vm, bif, b[0], n_slaves);
496 static_always_inline void
497 bond_hash_to_port (u32 * h, u32 n_left, u32 n_slaves, int use_modulo_shortcut)
499 u32 mask = n_slaves - 1;
501 #ifdef CLIB_HAVE_VEC256
502 /* only lower 16 bits of hash due to single precision fp arithmetic */
503 u32x8 mask8, sc8u, h8a, h8b;
506 if (use_modulo_shortcut)
508 mask8 = u32x8_splat (mask);
512 mask8 = u32x8_splat (0xffff);
513 sc8u = u32x8_splat (n_slaves);
514 sc8f = f32x8_from_u32x8 (sc8u);
519 h8a = u32x8_load_unaligned (h) & mask8;
520 h8b = u32x8_load_unaligned (h + 8) & mask8;
522 if (use_modulo_shortcut == 0)
524 h8a -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8a) / sc8f);
525 h8b -= sc8u * u32x8_from_f32x8 (f32x8_from_u32x8 (h8b) / sc8f);
528 u32x8_store_unaligned (h8a, h);
529 u32x8_store_unaligned (h8b, h + 8);
537 if (use_modulo_shortcut)
556 if (use_modulo_shortcut)
565 static_always_inline void
566 bond_update_sw_if_index (bond_per_thread_data_t * ptd, bond_if_t * bif,
567 u32 * bi, vlib_buffer_t ** b, u32 * data, u32 n_left,
568 int single_sw_if_index)
570 u32 sw_if_index = data[0];
575 // Prefetch next iteration
578 vlib_buffer_t **pb = b + 4;
579 vlib_prefetch_buffer_header (pb[0], LOAD);
580 vlib_prefetch_buffer_header (pb[1], LOAD);
581 vlib_prefetch_buffer_header (pb[2], LOAD);
582 vlib_prefetch_buffer_header (pb[3], LOAD);
585 if (PREDICT_FALSE (single_sw_if_index))
587 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
588 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index;
589 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index;
590 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index;
592 bond_tx_add_to_queue (ptd, 0, bi[0]);
593 bond_tx_add_to_queue (ptd, 0, bi[1]);
594 bond_tx_add_to_queue (ptd, 0, bi[2]);
595 bond_tx_add_to_queue (ptd, 0, bi[3]);
601 sw_if_index[0] = *vec_elt_at_index (bif->active_slaves, h[0]);
602 sw_if_index[1] = *vec_elt_at_index (bif->active_slaves, h[1]);
603 sw_if_index[2] = *vec_elt_at_index (bif->active_slaves, h[2]);
604 sw_if_index[3] = *vec_elt_at_index (bif->active_slaves, h[3]);
606 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index[0];
607 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sw_if_index[1];
608 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sw_if_index[2];
609 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sw_if_index[3];
611 bond_tx_add_to_queue (ptd, h[0], bi[0]);
612 bond_tx_add_to_queue (ptd, h[1], bi[1]);
613 bond_tx_add_to_queue (ptd, h[2], bi[2]);
614 bond_tx_add_to_queue (ptd, h[3], bi[3]);
624 if (PREDICT_FALSE (single_sw_if_index))
626 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index;
627 bond_tx_add_to_queue (ptd, 0, bi[0]);
631 u32 sw_if_index0 = *vec_elt_at_index (bif->active_slaves, h[0]);
633 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sw_if_index0;
634 bond_tx_add_to_queue (ptd, h[0], bi[0]);
644 static_always_inline void
645 bond_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif,
646 vlib_buffer_t ** b, u32 n_left, u32 * h)
648 uword n_trace = vlib_get_trace_count (vm, node);
650 while (n_trace > 0 && n_left > 0)
652 bond_packet_trace_t *t0;
653 ethernet_header_t *eth;
656 vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
657 vlib_set_trace_count (vm, node, --n_trace);
658 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
659 eth = vlib_buffer_get_current (b[0]);
661 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
664 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
668 t0->bond_sw_if_index = *vec_elt_at_index (bif->active_slaves, h[0]);
676 VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
677 vlib_node_runtime_t * node,
678 vlib_frame_t * frame)
680 vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
681 bond_main_t *bm = &bond_main;
682 u16 thread_index = vm->thread_index;
683 bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
685 vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
686 u32 *from = vlib_frame_vector_args (frame);
687 u32 n_left = frame->n_vectors;
688 u32 hashes[VLIB_FRAME_SIZE], *h;
689 vnet_main_t *vnm = vnet_get_main ();
690 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
694 if (PREDICT_FALSE (bif->admin_up == 0))
696 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
697 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
698 VNET_INTERFACE_COUNTER_DROP,
699 thread_index, bif->sw_if_index,
701 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
703 return frame->n_vectors;
706 n_slaves = vec_len (bif->active_slaves);
707 if (PREDICT_FALSE (n_slaves == 0))
709 vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
710 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
711 VNET_INTERFACE_COUNTER_DROP,
712 thread_index, bif->sw_if_index,
714 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_SLAVE,
716 return frame->n_vectors;
719 vlib_get_buffers (vm, from, bufs, n_left);
721 /* active-backup mode, ship everything to first sw if index */
722 if ((bif->lb == BOND_LB_AB) || PREDICT_FALSE (n_slaves == 1))
724 sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
726 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
727 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
728 /* single_sw_if_index */ 1);
732 if (bif->lb == BOND_LB_BC)
734 sw_if_index = *vec_elt_at_index (bif->active_slaves, 0);
736 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_BC);
737 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, 0);
738 bond_update_sw_if_index (ptd, bif, from, bufs, &sw_if_index, n_left,
739 /* single_sw_if_index */ 1);
743 /* if have at least one slave on local numa node, only slaves on local numa
744 node will transmit pkts when bif->local_numa_only is enabled */
745 if (bif->n_numa_slaves >= 1)
746 n_slaves = bif->n_numa_slaves;
748 if (bif->lb == BOND_LB_L2)
749 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L2);
750 else if (bif->lb == BOND_LB_L34)
751 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L34);
752 else if (bif->lb == BOND_LB_L23)
753 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_L23);
754 else if (bif->lb == BOND_LB_RR)
755 bond_tx_inline (vm, bif, bufs, hashes, n_left, n_slaves, BOND_LB_RR);
759 /* calculate port out of hash */
761 if (BOND_MODULO_SHORTCUT (n_slaves))
762 bond_hash_to_port (h, frame->n_vectors, n_slaves, 1);
764 bond_hash_to_port (h, frame->n_vectors, n_slaves, 0);
766 bond_tx_trace (vm, node, bif, bufs, frame->n_vectors, h);
768 bond_update_sw_if_index (ptd, bif, from, bufs, hashes, frame->n_vectors,
769 /* single_sw_if_index */ 0);
772 for (p = 0; p < n_slaves; p++)
777 sw_if_index = *vec_elt_at_index (bif->active_slaves, p);
778 if (PREDICT_TRUE (ptd->per_port_queue[p].n_buffers))
780 f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
781 f->n_vectors = ptd->per_port_queue[p].n_buffers;
782 to_next = vlib_frame_vector_args (f);
783 clib_memcpy_fast (to_next, ptd->per_port_queue[p].buffers,
784 f->n_vectors * sizeof (u32));
785 vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
786 ptd->per_port_queue[p].n_buffers = 0;
789 return frame->n_vectors;
793 bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
796 bond_main_t *bm = &bond_main;
798 ip_neighbor_advertise (bm->vlib_main, IP46_TYPE_BOTH, NULL, sw_if_index);
800 return (WALK_CONTINUE);
804 bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
806 vnet_main_t *vnm = vnet_get_main ();
807 uword event_type, *event_data = 0;
814 vlib_process_wait_for_event (vm);
815 event_type = vlib_process_get_events (vm, &event_data);
816 ASSERT (event_type == BOND_SEND_GARP_NA);
817 for (i = 0; i < vec_len (event_data); i++)
819 hw_if_index = event_data[i];
820 if (vnet_get_hw_interface_or_null (vnm, hw_if_index))
821 /* walk hw interface to process all subinterfaces */
822 vnet_hw_interface_walk_sw (vnm, hw_if_index,
823 bond_active_interface_switch_cb, 0);
825 vec_reset_length (event_data);
831 VLIB_REGISTER_NODE (bond_process_node) = {
832 .function = bond_process,
833 .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
834 .type = VLIB_NODE_TYPE_PROCESS,
835 .name = "bond-process",
840 VNET_DEVICE_CLASS (bond_dev_class) = {
842 .tx_function_n_errors = BOND_TX_N_ERROR,
843 .tx_function_error_strings = bond_tx_error_strings,
844 .format_device_name = format_bond_interface_name,
845 .set_l2_mode_function = bond_set_l2_mode_function,
846 .admin_up_down_function = bond_interface_admin_up_down,
847 .subif_add_del_function = bond_subif_add_del_function,
848 .format_tx_trace = format_bond_tx_trace,
849 .mac_addr_add_del_function = bond_add_del_mac_address,
854 static clib_error_t *
855 bond_slave_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
857 bond_main_t *bm = &bond_main;
859 bond_detach_slave_args_t args = { 0 };
863 sif = bond_get_slave_by_sw_if_index (sw_if_index);
866 args.slave = sw_if_index;
867 bond_detach_slave (bm->vlib_main, &args);
871 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (bond_slave_interface_add_del);
874 * fd.io coding-style-patch-verification: ON
877 * eval: (c-set-style "gnu")