/* *------------------------------------------------------------------ * Copyright (c) 2017 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #define foreach_bond_tx_error \ _(NONE, "no error") \ _(IF_DOWN, "interface down") \ _(NO_SLAVE, "no slave") typedef enum { #define _(f,s) BOND_TX_ERROR_##f, foreach_bond_tx_error #undef _ BOND_TX_N_ERROR, } bond_tx_error_t; static char *bond_tx_error_strings[] = { #define _(n,s) s, foreach_bond_tx_error #undef _ }; static u8 * format_bond_tx_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); bond_packet_trace_t *t = va_arg (*args, bond_packet_trace_t *); vnet_hw_interface_t *hw, *hw1; vnet_main_t *vnm = vnet_get_main (); hw = vnet_get_sup_hw_interface (vnm, t->sw_if_index); hw1 = vnet_get_sup_hw_interface (vnm, t->bond_sw_if_index); s = format (s, "src %U, dst %U, %s -> %s", format_ethernet_address, t->ethernet.src_address, format_ethernet_address, t->ethernet.dst_address, hw->name, hw1->name); return s; } #ifndef CLIB_MARCH_VARIANT u8 * format_bond_interface_name (u8 * s, va_list * args) { u32 dev_instance = va_arg (*args, u32); bond_main_t *bm = &bond_main; bond_if_t *bif = pool_elt_at_index (bm->interfaces, dev_instance); s = format (s, "BondEthernet%lu", bif->dev_instance); return s; } #endif static __clib_unused clib_error_t * bond_set_l2_mode_function (vnet_main_t * vnm, struct vnet_hw_interface_t *bif_hw, i32 l2_if_adjust) { bond_if_t *bif; u32 *sw_if_index; struct vnet_hw_interface_t *sif_hw; bif = bond_get_master_by_sw_if_index (bif_hw->sw_if_index); if (!bif) return 0; if ((bif_hw->l2_if_count == 1) && (l2_if_adjust == 1)) { /* Just added first L2 interface on this port */ vec_foreach (sw_if_index, bif->slaves) { sif_hw = vnet_get_sup_hw_interface (vnm, *sw_if_index); ethernet_set_flags (vnm, sif_hw->hw_if_index, ETHERNET_INTERFACE_FLAG_ACCEPT_ALL); /* ensure all packets go to ethernet-input */ ethernet_set_rx_redirect (vnm, sif_hw, 1); } } return 0; } static __clib_unused clib_error_t * bond_subif_add_del_function (vnet_main_t * vnm, u32 hw_if_index, struct vnet_sw_interface_t *st, int is_add) { /* Nothing for now */ return 0; } static clib_error_t * bond_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) { vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index); uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0; bond_main_t *bm = &bond_main; bond_if_t *bif = pool_elt_at_index (bm->interfaces, hif->dev_instance); bif->admin_up = is_up; if (is_up && vec_len (bif->active_slaves)) vnet_hw_interface_set_flags (vnm, bif->hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP); return 0; } static_always_inline u32 bond_load_balance_broadcast (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif, vlib_buffer_t * b0, uword slave_count) { bond_main_t *bm = &bond_main; vlib_buffer_t *c0; int port; u32 sw_if_index; u16 thread_index = vm->thread_index; bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data, thread_index); for (port = 1; port < slave_count; port++) { sw_if_index = *vec_elt_at_index (bif->active_slaves, port); c0 = vlib_buffer_copy (vm, b0); if (PREDICT_TRUE (c0 != 0)) { vnet_buffer (c0)->sw_if_index[VLIB_TX] = sw_if_index; ptd->per_port_queue[sw_if_index].buffers[ptd->per_port_queue [sw_if_index].n_buffers] = vlib_get_buffer_index (vm, c0); ptd->per_port_queue[sw_if_index].n_buffers++; } } return 0; } static_always_inline u32 bond_load_balance_l2 (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif, vlib_buffer_t * b0, uword slave_count) { ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0); u32 c; u64 *dst = (u64 *) & eth->dst_address[0]; u64 a = clib_mem_unaligned (dst, u64); u32 *src = (u32 *) & eth->src_address[2]; u32 b = clib_mem_unaligned (src, u32); c = lb_hash_hash_2_tuples (a, b); if (BOND_MODULO_SHORTCUT (slave_count)) return (c & (slave_count - 1)); else return c % slave_count; } static_always_inline u16 * bond_locate_ethertype (ethernet_header_t * eth) { u16 *ethertype_p; ethernet_vlan_header_t *vlan; if (!ethernet_frame_is_tagged (clib_net_to_host_u16 (eth->type))) { ethertype_p = ð->type; } else { vlan = (void *) (eth + 1); ethertype_p = &vlan->type; if (*ethertype_p == ntohs (ETHERNET_TYPE_VLAN)) { vlan++; ethertype_p = &vlan->type; } } return ethertype_p; } static_always_inline u32 bond_load_balance_l23 (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif, vlib_buffer_t * b0, uword slave_count) { ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0); u8 ip_version; ip4_header_t *ip4; u16 ethertype, *ethertype_p; u32 *mac1, *mac2, *mac3; ethertype_p = bond_locate_ethertype (eth); ethertype = clib_mem_unaligned (ethertype_p, u16); if ((ethertype != htons (ETHERNET_TYPE_IP4)) && (ethertype != htons (ETHERNET_TYPE_IP6))) return (bond_load_balance_l2 (vm, node, bif, b0, slave_count)); ip4 = (ip4_header_t *) (ethertype_p + 1); ip_version = (ip4->ip_version_and_header_length >> 4); if (ip_version == 0x4) { u32 a, c; mac1 = (u32 *) & eth->dst_address[0]; mac2 = (u32 *) & eth->dst_address[4]; mac3 = (u32 *) & eth->src_address[2]; a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^ clib_mem_unaligned (mac3, u32); c = lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64), a); if (BOND_MODULO_SHORTCUT (slave_count)) return (c & (slave_count - 1)); else return c % slave_count; } else if (ip_version == 0x6) { u64 a; u32 c; ip6_header_t *ip6 = (ip6_header_t *) (eth + 1); mac1 = (u32 *) & eth->dst_address[0]; mac2 = (u32 *) & eth->dst_address[4]; mac3 = (u32 *) & eth->src_address[2]; a = clib_mem_unaligned (mac1, u32) ^ clib_mem_unaligned (mac2, u32) ^ clib_mem_unaligned (mac3, u32); c = lb_hash_hash (clib_mem_unaligned (&ip6->src_address.as_uword[0], uword), clib_mem_unaligned (&ip6->src_address.as_uword[1], uword), clib_mem_unaligned (&ip6->dst_address.as_uword[0], uword), clib_mem_unaligned (&ip6->dst_address.as_uword[1], uword), a); if (BOND_MODULO_SHORTCUT (slave_count)) return (c & (slave_count - 1)); else return c % slave_count; } return (bond_load_balance_l2 (vm, node, bif, b0, slave_count)); } static_always_inline u32 bond_load_balance_l34 (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif, vlib_buffer_t * b0, uword slave_count) { ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b0); u8 ip_version; uword is_tcp_udp; ip4_header_t *ip4; u16 ethertype, *ethertype_p; ethertype_p = bond_locate_ethertype (eth); ethertype = clib_mem_unaligned (ethertype_p, u16); if ((ethertype != htons (ETHERNET_TYPE_IP4)) && (ethertype != htons (ETHERNET_TYPE_IP6))) return (bond_load_balance_l2 (vm, node, bif, b0, slave_count)); ip4 = (ip4_header_t *) (ethertype_p + 1); ip_version = (ip4->ip_version_and_header_length >> 4); if (ip_version == 0x4) { u32 a, c, t1, t2; tcp_header_t *tcp = (void *) (ip4 + 1); is_tcp_udp = (ip4->protocol == IP_PROTOCOL_TCP) || (ip4->protocol == IP_PROTOCOL_UDP); t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0; t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0; a = t1 ^ t2; c = lb_hash_hash_2_tuples (clib_mem_unaligned (&ip4->address_pair, u64), a); if (BOND_MODULO_SHORTCUT (slave_count)) return (c & (slave_count - 1)); else return c % slave_count; } else if (ip_version == 0x6) { u64 a; u32 c, t1, t2; ip6_header_t *ip6 = (ip6_header_t *) (eth + 1); tcp_header_t *tcp = (void *) (ip6 + 1); is_tcp_udp = 0; if (PREDICT_TRUE ((ip6->protocol == IP_PROTOCOL_TCP) || (ip6->protocol == IP_PROTOCOL_UDP))) { is_tcp_udp = 1; tcp = (void *) (ip6 + 1); } else if (ip6->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) { ip6_hop_by_hop_header_t *hbh = (ip6_hop_by_hop_header_t *) (ip6 + 1); if ((hbh->protocol == IP_PROTOCOL_TCP) || (hbh->protocol == IP_PROTOCOL_UDP)) { is_tcp_udp = 1; tcp = (tcp_header_t *) ((u8 *) hbh + ((hbh->length + 1) << 3)); } } t1 = is_tcp_udp ? clib_mem_unaligned (&tcp->src, u16) : 0; t2 = is_tcp_udp ? clib_mem_unaligned (&tcp->dst, u16) : 0; a = t1 ^ t2; c = lb_hash_hash (clib_mem_unaligned (&ip6->src_address.as_uword[0], uword), clib_mem_unaligned (&ip6->src_address.as_uword[1], uword), clib_mem_unaligned (&ip6->dst_address.as_uword[0], uword), clib_mem_unaligned (&ip6->dst_address.as_uword[1], uword), a); if (BOND_MODULO_SHORTCUT (slave_count)) return (c & (slave_count - 1)); else return c % slave_count; } return (bond_load_balance_l2 (vm, node, bif, b0, slave_count)); } static_always_inline u32 bond_load_balance_round_robin (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif, vlib_buffer_t * b0, uword slave_count) { bif->lb_rr_last_index++; if (BOND_MODULO_SHORTCUT (slave_count)) bif->lb_rr_last_index &= slave_count - 1; else bif->lb_rr_last_index %= slave_count; return bif->lb_rr_last_index; } static_always_inline u32 bond_load_balance_active_backup (vlib_main_t * vm, vlib_node_runtime_t * node, bond_if_t * bif, vlib_buffer_t * b0, uword slave_count) { /* First interface is the active, the rest is backup */ return 0; } static_always_inline void bond_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, bond_if_t * bif, uword slave_count, u32 lb_alg) { bond_main_t *bm = &bond_main; vnet_main_t *vnm = vnet_get_main (); u16 thread_index = vm->thread_index; bond_packet_trace_t *t0; uword n_trace = vlib_get_trace_count (vm, node); u32 *to_next; vlib_frame_t *f; ethernet_header_t *eth; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u32 *from = vlib_frame_vector_args (frame); u32 n_left = frame->n_vectors; u32 sw_if_index; u32 port0 = 0, port1 = 0, port2 = 0, port3 = 0; bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data, thread_index); vlib_get_buffers (vm, from, bufs, n_left); b = bufs; while (n_left >= 4) { u32 sif_if_index0, sif_if_index1, sif_if_index2, sif_if_index3; // Prefetch next iteration if (n_left >= 8) { vlib_buffer_t **pb = b + 4; vlib_prefetch_buffer_header (pb[0], LOAD); vlib_prefetch_buffer_header (pb[1], LOAD); vlib_prefetch_buffer_header (pb[2], LOAD); vlib_prefetch_buffer_header (pb[3], LOAD); CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD); CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD); CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD); CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD); } VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]); VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]); VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]); VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]); if (PREDICT_TRUE (slave_count > 1)) { if (lb_alg == BOND_LB_L2) { port0 = bond_load_balance_l2 (vm, node, bif, b[0], slave_count); port1 = bond_load_balance_l2 (vm, node, bif, b[1], slave_count); port2 = bond_load_balance_l2 (vm, node, bif, b[2], slave_count); port3 = bond_load_balance_l2 (vm, node, bif, b[3], slave_count); } else if (lb_alg == BOND_LB_L34) { port0 = bond_load_balance_l34 (vm, node, bif, b[0], slave_count); port1 = bond_load_balance_l34 (vm, node, bif, b[1], slave_count); port2 = bond_load_balance_l34 (vm, node, bif, b[2], slave_count); port3 = bond_load_balance_l34 (vm, node, bif, b[3], slave_count); } else if (lb_alg == BOND_LB_L23) { port0 = bond_load_balance_l23 (vm, node, bif, b[0], slave_count); port1 = bond_load_balance_l23 (vm, node, bif, b[1], slave_count); port2 = bond_load_balance_l23 (vm, node, bif, b[2], slave_count); port3 = bond_load_balance_l23 (vm, node, bif, b[3], slave_count); } else if (lb_alg == BOND_LB_RR) { port0 = bond_load_balance_round_robin (vm, node, bif, b[0], slave_count); port1 = bond_load_balance_round_robin (vm, node, bif, b[1], slave_count); port2 = bond_load_balance_round_robin (vm, node, bif, b[2], slave_count); port3 = bond_load_balance_round_robin (vm, node, bif, b[3], slave_count); } else if (lb_alg == BOND_LB_BC) { port0 = bond_load_balance_broadcast (vm, node, bif, b[0], slave_count); port1 = bond_load_balance_broadcast (vm, node, bif, b[1], slave_count); port2 = bond_load_balance_broadcast (vm, node, bif, b[2], slave_count); port3 = bond_load_balance_broadcast (vm, node, bif, b[3], slave_count); } else if (lb_alg == BOND_LB_AB) { port0 = bond_load_balance_active_backup (vm, node, bif, b[0], slave_count); port1 = bond_load_balance_active_backup (vm, node, bif, b[1], slave_count); port2 = bond_load_balance_active_backup (vm, node, bif, b[2], slave_count); port3 = bond_load_balance_active_backup (vm, node, bif, b[3], slave_count); } else { ASSERT (0); } } sif_if_index0 = *vec_elt_at_index (bif->active_slaves, port0); sif_if_index1 = *vec_elt_at_index (bif->active_slaves, port1); sif_if_index2 = *vec_elt_at_index (bif->active_slaves, port2); sif_if_index3 = *vec_elt_at_index (bif->active_slaves, port3); /* Do the tracing before the interface is overwritten */ if (PREDICT_FALSE (n_trace > 0)) { u32 next0 = 0, next1 = 0, next2 = 0, next3 = 0; vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0)); eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]); t0->ethernet = *eth; t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; t0->bond_sw_if_index = sif_if_index0; if (PREDICT_TRUE (n_trace > 0)) { vlib_trace_buffer (vm, node, next1, b[1], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); t0 = vlib_add_trace (vm, node, b[1], sizeof (*t0)); eth = (ethernet_header_t *) vlib_buffer_get_current (b[1]); t0->ethernet = *eth; t0->sw_if_index = vnet_buffer (b[1])->sw_if_index[VLIB_TX]; t0->bond_sw_if_index = sif_if_index1; if (PREDICT_TRUE (n_trace > 0)) { vlib_trace_buffer (vm, node, next2, b[2], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); t0 = vlib_add_trace (vm, node, b[2], sizeof (*t0)); eth = (ethernet_header_t *) vlib_buffer_get_current (b[2]); t0->ethernet = *eth; t0->sw_if_index = vnet_buffer (b[2])->sw_if_index[VLIB_TX]; t0->bond_sw_if_index = sif_if_index2; if (PREDICT_TRUE (n_trace > 0)) { vlib_trace_buffer (vm, node, next3, b[3], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); t0 = vlib_add_trace (vm, node, b[3], sizeof (*t0)); eth = (ethernet_header_t *) vlib_buffer_get_current (b[3]); t0->ethernet = *eth; t0->sw_if_index = vnet_buffer (b[3])->sw_if_index[VLIB_TX]; t0->bond_sw_if_index = sif_if_index3; } } } } vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sif_if_index0; vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sif_if_index1; vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sif_if_index2; vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sif_if_index3; ptd->per_port_queue[sif_if_index0].buffers[ptd->per_port_queue [sif_if_index0].n_buffers] = vlib_get_buffer_index (vm, b[0]); ptd->per_port_queue[sif_if_index0].n_buffers++; ptd->per_port_queue[sif_if_index1].buffers[ptd->per_port_queue [sif_if_index1].n_buffers] = vlib_get_buffer_index (vm, b[1]); ptd->per_port_queue[sif_if_index1].n_buffers++; ptd->per_port_queue[sif_if_index2].buffers[ptd->per_port_queue [sif_if_index2].n_buffers] = vlib_get_buffer_index (vm, b[2]); ptd->per_port_queue[sif_if_index2].n_buffers++; ptd->per_port_queue[sif_if_index3].buffers[ptd->per_port_queue [sif_if_index3].n_buffers] = vlib_get_buffer_index (vm, b[3]); ptd->per_port_queue[sif_if_index3].n_buffers++; n_left -= 4; b += 4; } while (n_left > 0) { u32 sif_if_index0; VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]); if (PREDICT_TRUE (slave_count > 1)) { if (bif->lb == BOND_LB_L2) { port0 = bond_load_balance_l2 (vm, node, bif, b[0], slave_count); } else if (bif->lb == BOND_LB_L34) { port0 = bond_load_balance_l34 (vm, node, bif, b[0], slave_count); } else if (bif->lb == BOND_LB_L23) { port0 = bond_load_balance_l23 (vm, node, bif, b[0], slave_count); } else if (bif->lb == BOND_LB_RR) { port0 = bond_load_balance_round_robin (vm, node, bif, b[0], slave_count); } else if (bif->lb == BOND_LB_BC) { port0 = bond_load_balance_broadcast (vm, node, bif, b[0], slave_count); } else if (bif->lb == BOND_LB_AB) { port0 = bond_load_balance_active_backup (vm, node, bif, b[0], slave_count); } else { ASSERT (0); } } sif_if_index0 = *vec_elt_at_index (bif->active_slaves, port0); /* Do the tracing before the old interface is overwritten */ if (PREDICT_FALSE (n_trace > 0)) { u32 next0 = 0; vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0)); eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]); t0->ethernet = *eth; t0->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; t0->bond_sw_if_index = sif_if_index0; } vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sif_if_index0; ptd->per_port_queue[sif_if_index0].buffers[ptd->per_port_queue [sif_if_index0].n_buffers] = vlib_get_buffer_index (vm, b[0]); ptd->per_port_queue[sif_if_index0].n_buffers++; n_left -= 1; b += 1; } for (port0 = 0; port0 < slave_count; port0++) { sw_if_index = *vec_elt_at_index (bif->active_slaves, port0); if (PREDICT_TRUE (ptd->per_port_queue[sw_if_index].n_buffers)) { f = vnet_get_frame_to_sw_interface (vnm, sw_if_index); f->n_vectors = ptd->per_port_queue[sw_if_index].n_buffers; to_next = vlib_frame_vector_args (f); clib_memcpy (to_next, ptd->per_port_queue[sw_if_index].buffers, f->n_vectors << 2); vnet_put_frame_to_sw_interface (vnm, sw_if_index, f); ptd->per_port_queue[sw_if_index].n_buffers = 0; } } vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, bif->sw_if_index, frame->n_vectors); } VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { vnet_interface_output_runtime_t *rund = (void *) node->runtime_data; bond_main_t *bm = &bond_main; u16 thread_index = vm->thread_index; bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance); uword slave_count; if (PREDICT_FALSE (bif->admin_up == 0)) { vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors); vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters + VNET_INTERFACE_COUNTER_DROP, thread_index, bif->sw_if_index, frame->n_vectors); vlib_error_count (vm, node->node_index, BOND_TX_ERROR_IF_DOWN, frame->n_vectors); return frame->n_vectors; } slave_count = vec_len (bif->active_slaves); if (PREDICT_FALSE (slave_count == 0)) { vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors); vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters + VNET_INTERFACE_COUNTER_DROP, thread_index, bif->sw_if_index, frame->n_vectors); vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_SLAVE, frame->n_vectors); return frame->n_vectors; } if (bif->lb == BOND_LB_L2) bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_L2); else if (bif->lb == BOND_LB_L34) bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_L34); else if (bif->lb == BOND_LB_L23) bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_L23); else if (bif->lb == BOND_LB_RR) bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_RR); else if (bif->lb == BOND_LB_BC) bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_BC); else if (bif->lb == BOND_LB_AB) bond_tx_inline (vm, node, frame, bif, slave_count, BOND_LB_AB); else ASSERT (0); return frame->n_vectors; } static walk_rc_t bond_active_interface_switch_cb (vnet_main_t * vnm, u32 sw_if_index, void *arg) { bond_main_t *bm = &bond_main; send_ip4_garp (bm->vlib_main, sw_if_index); send_ip6_na (bm->vlib_main, sw_if_index); return (WALK_CONTINUE); } static uword bond_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { vnet_main_t *vnm = vnet_get_main (); uword event_type, *event_data = 0; while (1) { u32 i; u32 hw_if_index; vlib_process_wait_for_event (vm); event_type = vlib_process_get_events (vm, &event_data); ASSERT (event_type == BOND_SEND_GARP_NA); for (i = 0; i < vec_len (event_data); i++) { hw_if_index = event_data[i]; /* walk hw interface to process all subinterfaces */ vnet_hw_interface_walk_sw (vnm, hw_if_index, bond_active_interface_switch_cb, 0); } vec_reset_length (event_data); } return 0; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (bond_process_node) = { .function = bond_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "bond-process", }; /* *INDENT-ON* */ /* *INDENT-OFF* */ VNET_DEVICE_CLASS (bond_dev_class) = { .name = "bond", .tx_function_n_errors = BOND_TX_N_ERROR, .tx_function_error_strings = bond_tx_error_strings, .format_device_name = format_bond_interface_name, .set_l2_mode_function = bond_set_l2_mode_function, .admin_up_down_function = bond_interface_admin_up_down, .subif_add_del_function = bond_subif_add_del_function, .format_tx_trace = format_bond_tx_trace, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */