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->dev_instance);
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);
111 static __clib_unused clib_error_t *
112 bond_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index,
113 struct vnet_sw_interface_t *st, int is_add)
115 /* Nothing for now */
119 static clib_error_t *
120 bond_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
122 vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
123 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
124 bond_main_t *bm = &bond_main;
125 bond_if_t *bif = pool_elt_at_index (bm->interfaces, hif->dev_instance);
127 bif->admin_up = is_up;
128 if (is_up && vec_len (bif->active_slaves))
129 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
130 VNET_HW_INTERFACE_FLAG_LINK_UP);
134 static_always_inline u32
135 bond_load_balance_broadcast (vlib_main_t * vm, vlib_node_runtime_t * node,
136 bond_if_t * bif, vlib_buffer_t * b0,
139 bond_main_t *bm = &bond_main;
143 u16 thread_index = vm->thread_index;
144 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
147 for (port = 1; port < slave_count; port++)
149 sw_if_index = *vec_elt_at_index (bif->active_slaves, port);
150 c0 = vlib_buffer_copy (vm, b0);
151 if (PREDICT_TRUE (c0 != 0))
153 vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index;
154 ptd->per_port_queue[sw_if_index].buffers[ptd->per_port_queue
155 [sw_if_index].n_buffers] =
156 vlib_get_buffer_index (vm, c0);
157 ptd->per_port_queue[sw_if_index].n_buffers++;
164 static_always_inline u32
165 bond_load_balance_l2 (vlib_main_t * vm, vlib_node_runtime_t * node,
166 bond_if_t * bif, vlib_buffer_t * b0, uword slave_count)
168 ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
170 u64 *dst = (u64 *) & eth->dst_address[0];
171 u64 a = clib_mem_unaligned (dst, u64);
172 u32 *src = (u32 *) & eth->src_address[2];
173 u32 b = clib_mem_unaligned (src, u32);
175 c = lb_hash_hash_2_tuples (a, b);
177 if (BOND_MODULO_SHORTCUT (slave_count))
178 return (c & (slave_count - 1));
180 return c % slave_count;
183 static_always_inline u16 *
184 bond_locate_ethertype (ethernet_header_t * eth)
187 ethernet_vlan_header_t *vlan;
189 if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type)))
191 ethertype_p = ð->type;
195 vlan = (void *) (eth + 1);
196 ethertype_p = &vlan->type;
197 if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN))
200 ethertype_p = &vlan->type;
206 static_always_inline u32
207 bond_load_balance_l23 (vlib_main_t * vm, vlib_node_runtime_t * node,
208 bond_if_t * bif, vlib_buffer_t * b0, uword slave_count)
210 ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
213 u16 ethertype, *ethertype_p;
214 u32 *mac1, *mac2, *mac3;
216 ethertype_p = bond_locate_ethertype (eth);
217 ethertype = clib_mem_unaligned (ethertype_p, u16);
219 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
220 (ethertype != htons (ETHERNET_TYPE_IP6)))
221 return (bond_load_balance_l2 (vm, node, bif, b0, slave_count));
223 ip4 = (ip4_header_t *) (ethertype_p + 1);
224 ip_version = (ip4->ip_version_and_header_length >> 4);
226 if (ip_version == 0x4)
230 mac1 = (u32 *) & eth->dst_address[0];
231 mac2 = (u32 *) & eth->dst_address[4];
232 mac3 = (u32 *) & eth->src_address[2];
234 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
235 clib_mem_unaligned (mac3, u32);
237 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
239 if (BOND_MODULO_SHORTCUT (slave_count))
240 return (c & (slave_count - 1));
242 return c % slave_count;
244 else if (ip_version == 0x6)
248 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
250 mac1 = (u32 *) & eth->dst_address[0];
251 mac2 = (u32 *) & eth->dst_address[4];
252 mac3 = (u32 *) & eth->src_address[2];
254 a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^
255 clib_mem_unaligned (mac3, u32);
257 lb_hash_hash (clib_mem_unaligned
258 (&ip6->src_address.as_uword[0], uword),
259 clib_mem_unaligned (&ip6->src_address.as_uword[1],
261 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
263 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
265 if (BOND_MODULO_SHORTCUT (slave_count))
266 return (c & (slave_count - 1));
268 return c % slave_count;
270 return (bond_load_balance_l2 (vm, node, bif, b0, slave_count));
273 static_always_inline u32
274 bond_load_balance_l34 (vlib_main_t * vm, vlib_node_runtime_t * node,
275 bond_if_t * bif, vlib_buffer_t * b0, uword slave_count)
277 ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0);
281 u16 ethertype, *ethertype_p;
283 ethertype_p = bond_locate_ethertype (eth);
284 ethertype = clib_mem_unaligned (ethertype_p, u16);
286 if ((ethertype != htons (ETHERNET_TYPE_IP4)) &&
287 (ethertype != htons (ETHERNET_TYPE_IP6)))
288 return (bond_load_balance_l2 (vm, node, bif, b0, slave_count));
290 ip4 = (ip4_header_t *) (ethertype_p + 1);
291 ip_version = (ip4->ip_version_and_header_length >> 4);
293 if (ip_version == 0x4)
296 tcp_header_t *tcp = (void *) (ip4 + 1);
298 is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) ||
299 (ip4->protocol == IP_PROTOCOL_UDP);
300 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
301 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
304 lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64),
306 if (BOND_MODULO_SHORTCUT (slave_count))
307 return (c & (slave_count - 1));
309 return c % slave_count;
311 else if (ip_version == 0x6)
315 ip6_header_t *ip6 = (ip6_header_t *) (eth + 1);
316 tcp_header_t *tcp = (void *) (ip6 + 1);
319 if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) ||
320 (ip6->protocol == IP_PROTOCOL_UDP)))
323 tcp = (void *) (ip6 + 1);
325 else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)
327 ip6_hop_by_hop_header_t *hbh =
328 (ip6_hop_by_hop_header_t *) (ip6 + 1);
329 if ((hbh->protocol == IP_PROTOCOL_TCP)
330 || (hbh->protocol == IP_PROTOCOL_UDP))
333 tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
336 t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0;
337 t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0;
340 lb_hash_hash (clib_mem_unaligned
341 (&ip6->src_address.as_uword[0], uword),
342 clib_mem_unaligned (&ip6->src_address.as_uword[1],
344 clib_mem_unaligned (&ip6->dst_address.as_uword[0],
346 clib_mem_unaligned (&ip6->dst_address.as_uword[1],
348 if (BOND_MODULO_SHORTCUT (slave_count))
349 return (c & (slave_count - 1));
351 return c % slave_count;
354 return (bond_load_balance_l2 (vm, node, bif, b0, slave_count));
357 static_always_inline u32
358 bond_load_balance_round_robin (vlib_main_t * vm,
359 vlib_node_runtime_t * node,
360 bond_if_t * bif, vlib_buffer_t * b0,
363 bif->lb_rr_last_index++;
364 if (BOND_MODULO_SHORTCUT (slave_count))
365 bif->lb_rr_last_index &= slave_count - 1;
367 bif->lb_rr_last_index %= slave_count;
369 return bif->lb_rr_last_index;
372 static_always_inline u32
373 bond_load_balance_active_backup (vlib_main_t * vm,
374 vlib_node_runtime_t * node,
375 bond_if_t * bif, vlib_buffer_t * b0,
378 /* First interface is the active, the rest is backup */
382 static_always_inline void
383 bond_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
384 vlib_frame_t * frame, bond_if_t * bif,
385 uword slave_count, u32 lb_alg)
387 bond_main_t *bm = &bond_main;
388 vnet_main_t *vnm = vnet_get_main ();
389 u16 thread_index = vm->thread_index;
390 bond_packet_trace_t *t0;
391 uword n_trace = vlib_get_trace_count (vm, node);
394 ethernet_header_t *eth;
395 vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
396 u32 *from = vlib_frame_vector_args (frame);
397 u32 n_left = frame->n_vectors;
399 u32 port0 = 0, port1 = 0, port2 = 0, port3 = 0;
400 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
403 vlib_get_buffers (vm, from, bufs, n_left);
407 u32 sif_if_index0, sif_if_index1, sif_if_index2, sif_if_index3;
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 (PREDICT_TRUE (slave_count > 1))
432 if (lb_alg == BOND_LB_L2)
434 port0 = bond_load_balance_l2 (vm, node, bif, b[0], slave_count);
435 port1 = bond_load_balance_l2 (vm, node, bif, b[1], slave_count);
436 port2 = bond_load_balance_l2 (vm, node, bif, b[2], slave_count);
437 port3 = bond_load_balance_l2 (vm, node, bif, b[3], slave_count);
439 else if (lb_alg == BOND_LB_L34)
441 port0 = bond_load_balance_l34 (vm, node, bif, b[0],
443 port1 = bond_load_balance_l34 (vm, node, bif, b[1],
445 port2 = bond_load_balance_l34 (vm, node, bif, b[2],
447 port3 = bond_load_balance_l34 (vm, node, bif, b[3],
450 else if (lb_alg == BOND_LB_L23)
452 port0 = bond_load_balance_l23 (vm, node, bif, b[0],
454 port1 = bond_load_balance_l23 (vm, node, bif, b[1],
456 port2 = bond_load_balance_l23 (vm, node, bif, b[2],
458 port3 = bond_load_balance_l23 (vm, node, bif, b[3],
461 else if (lb_alg == BOND_LB_RR)
463 port0 = bond_load_balance_round_robin (vm, node, bif, b[0],
465 port1 = bond_load_balance_round_robin (vm, node, bif, b[1],
467 port2 = bond_load_balance_round_robin (vm, node, bif, b[2],
469 port3 = bond_load_balance_round_robin (vm, node, bif, b[3],
472 else if (lb_alg == BOND_LB_BC)
474 port0 = bond_load_balance_broadcast (vm, node, bif, b[0],
476 port1 = bond_load_balance_broadcast (vm, node, bif, b[1],
478 port2 = bond_load_balance_broadcast (vm, node, bif, b[2],
480 port3 = bond_load_balance_broadcast (vm, node, bif, b[3],
483 else if (lb_alg == BOND_LB_AB)
485 port0 = bond_load_balance_active_backup (vm, node, bif, b[0],
487 port1 = bond_load_balance_active_backup (vm, node, bif, b[1],
489 port2 = bond_load_balance_active_backup (vm, node, bif, b[2],
491 port3 = bond_load_balance_active_backup (vm, node, bif, b[3],
500 sif_if_index0 = *vec_elt_at_index (bif->active_slaves, port0);
501 sif_if_index1 = *vec_elt_at_index (bif->active_slaves, port1);
502 sif_if_index2 = *vec_elt_at_index (bif->active_slaves, port2);
503 sif_if_index3 = *vec_elt_at_index (bif->active_slaves, port3);
505 /* Do the tracing before the interface is overwritten */
506 if (PREDICT_FALSE (n_trace > 0))
508 u32 next0 = 0, next1 = 0, next2 = 0, next3 = 0;
509 vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
510 vlib_set_trace_count (vm, node, --n_trace);
511 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
512 eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]);
514 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
515 t0->bond_sw_if_index = sif_if_index0;
517 if (PREDICT_TRUE (n_trace > 0))
519 vlib_trace_buffer (vm, node, next1, b[1],
520 0 /* follow_chain */ );
521 vlib_set_trace_count (vm, node, --n_trace);
522 t0 = vlib_add_trace (vm, node, b[1], sizeof (*t0));
523 eth = (ethernet_header_t *) vlib_buffer_get_current (b[1]);
525 t0->sw_if_index = vnet_buffer (b[1])->sw_if_index[VLIB_TX];
526 t0->bond_sw_if_index = sif_if_index1;
528 if (PREDICT_TRUE (n_trace > 0))
530 vlib_trace_buffer (vm, node, next2, b[2],
531 0 /* follow_chain */ );
532 vlib_set_trace_count (vm, node, --n_trace);
533 t0 = vlib_add_trace (vm, node, b[2], sizeof (*t0));
534 eth = (ethernet_header_t *) vlib_buffer_get_current (b[2]);
536 t0->sw_if_index = vnet_buffer (b[2])->sw_if_index[VLIB_TX];
537 t0->bond_sw_if_index = sif_if_index2;
539 if (PREDICT_TRUE (n_trace > 0))
541 vlib_trace_buffer (vm, node, next3, b[3],
542 0 /* follow_chain */ );
543 vlib_set_trace_count (vm, node, --n_trace);
544 t0 = vlib_add_trace (vm, node, b[3], sizeof (*t0));
546 (ethernet_header_t *) vlib_buffer_get_current (b[3]);
549 vnet_buffer (b[3])->sw_if_index[VLIB_TX];
550 t0->bond_sw_if_index = sif_if_index3;
556 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sif_if_index0;
557 vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sif_if_index1;
558 vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sif_if_index2;
559 vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sif_if_index3;
561 ptd->per_port_queue[sif_if_index0].buffers[ptd->per_port_queue
562 [sif_if_index0].n_buffers] =
563 vlib_get_buffer_index (vm, b[0]);
564 ptd->per_port_queue[sif_if_index0].n_buffers++;
566 ptd->per_port_queue[sif_if_index1].buffers[ptd->per_port_queue
567 [sif_if_index1].n_buffers] =
568 vlib_get_buffer_index (vm, b[1]);
569 ptd->per_port_queue[sif_if_index1].n_buffers++;
571 ptd->per_port_queue[sif_if_index2].buffers[ptd->per_port_queue
572 [sif_if_index2].n_buffers] =
573 vlib_get_buffer_index (vm, b[2]);
574 ptd->per_port_queue[sif_if_index2].n_buffers++;
576 ptd->per_port_queue[sif_if_index3].buffers[ptd->per_port_queue
577 [sif_if_index3].n_buffers] =
578 vlib_get_buffer_index (vm, b[3]);
579 ptd->per_port_queue[sif_if_index3].n_buffers++;
589 VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
591 if (PREDICT_TRUE (slave_count > 1))
593 if (bif->lb == BOND_LB_L2)
595 port0 = bond_load_balance_l2 (vm, node, bif, b[0], slave_count);
597 else if (bif->lb == BOND_LB_L34)
599 port0 = bond_load_balance_l34 (vm, node, bif, b[0],
602 else if (bif->lb == BOND_LB_L23)
604 port0 = bond_load_balance_l23 (vm, node, bif, b[0],
607 else if (bif->lb == BOND_LB_RR)
609 port0 = bond_load_balance_round_robin (vm, node, bif, b[0],
612 else if (bif->lb == BOND_LB_BC)
614 port0 = bond_load_balance_broadcast (vm, node, bif, b[0],
617 else if (bif->lb == BOND_LB_AB)
619 port0 = bond_load_balance_active_backup (vm, node, bif, b[0],
628 sif_if_index0 = *vec_elt_at_index (bif->active_slaves, port0);
630 /* Do the tracing before the old interface is overwritten */
631 if (PREDICT_FALSE (n_trace > 0))
635 vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ );
636 vlib_set_trace_count (vm, node, --n_trace);
637 t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0));
638 eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]);
640 t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
641 t0->bond_sw_if_index = sif_if_index0;
644 vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sif_if_index0;
646 ptd->per_port_queue[sif_if_index0].buffers[ptd->per_port_queue
647 [sif_if_index0].n_buffers] =
648 vlib_get_buffer_index (vm, b[0]);
649 ptd->per_port_queue[sif_if_index0].n_buffers++;
655 for (port0 = 0; port0 < slave_count; port0++)
657 sw_if_index = *vec_elt_at_index (bif->active_slaves, port0);
658 if (PREDICT_TRUE (ptd->per_port_queue[sw_if_index].n_buffers))
660 f = vnet_get_frame_to_sw_interface (vnm, sw_if_index);
661 f->n_vectors = ptd->per_port_queue[sw_if_index].n_buffers;
662 to_next = vlib_frame_vector_args (f);
663 clib_memcpy (to_next, ptd->per_port_queue[sw_if_index].buffers,
665 vnet_put_frame_to_sw_interface (vnm, sw_if_index, f);
666 ptd->per_port_queue[sw_if_index].n_buffers = 0;
670 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters
671 + VNET_INTERFACE_COUNTER_TX, thread_index,
672 bif->sw_if_index, frame->n_vectors);
675 VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
676 vlib_node_runtime_t * node,
677 vlib_frame_t * frame)
679 vnet_interface_output_runtime_t *rund = (void *) node->runtime_data;
680 bond_main_t *bm = &bond_main;
681 u16 thread_index = vm->thread_index;
682 bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance);
685 if (PREDICT_FALSE (bif->admin_up == 0))
687 vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
688 vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
689 VNET_INTERFACE_COUNTER_DROP,
690 thread_index, bif->sw_if_index,
692 vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN,
694 return frame->n_vectors;
697 slave_count = vec_len (bif->active_slaves);
698 if (PREDICT_FALSE (slave_count == 0))
700 vlib_buffer_free (vm, vlib_frame_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_NO_SLAVE,
707 return frame->n_vectors;
710 if (bif->lb == BOND_LB_L2)
711 bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_L2);
712 else if (bif->lb == BOND_LB_L34)
713 bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_L34);
714 else if (bif->lb == BOND_LB_L23)
715 bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_L23);
716 else if (bif->lb == BOND_LB_RR)
717 bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_RR);
718 else if (bif->lb == BOND_LB_BC)
719 bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_BC);
720 else if (bif->lb == BOND_LB_AB)
721 bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_AB);
725 return frame->n_vectors;
729 bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index,
732 bond_main_t *bm = &bond_main;
734 send_ip4_garp (bm->vlib_main, sw_if_index);
735 send_ip6_na (bm->vlib_main, sw_if_index);
737 return (WALK_CONTINUE);
741 bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
743 vnet_main_t *vnm = vnet_get_main ();
744 uword event_type, *event_data = 0;
751 vlib_process_wait_for_event (vm);
752 event_type = vlib_process_get_events (vm, &event_data);
753 ASSERT (event_type == BOND_SEND_GARP_NA);
754 for (i = 0; i < vec_len (event_data); i++)
756 hw_if_index = event_data[i];
757 /* walk hw interface to process all subinterfaces */
758 vnet_hw_interface_walk_sw (vnm, hw_if_index,
759 bond_active_interface_switch_cb, 0);
761 vec_reset_length (event_data);
767 VLIB_REGISTER_NODE (bond_process_node) = {
768 .function = bond_process,
769 .type = VLIB_NODE_TYPE_PROCESS,
770 .name = "bond-process",
775 VNET_DEVICE_CLASS (bond_dev_class) = {
777 .tx_function_n_errors = BOND_TX_N_ERROR,
778 .tx_function_error_strings = bond_tx_error_strings,
779 .format_device_name = format_bond_interface_name,
780 .set_l2_mode_function = bond_set_l2_mode_function,
781 .admin_up_down_function = bond_interface_admin_up_down,
782 .subif_add_del_function = bond_subif_add_del_function,
783 .format_tx_trace = format_bond_tx_trace,
789 * fd.io coding-style-patch-verification: ON
792 * eval: (c-set-style "gnu")