X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fbonding%2Fnode.c;h=a606d20f19cf84cba7f25ac22d64000a18e6f5fd;hb=refs%2Fchanges%2F83%2F26483%2F5;hp=9479fe98dd0d88a125e6e259b038086b1ae3bc24;hpb=f264f0831f2106cf5f5436bf6b08c45a6c86f2f5;p=vpp.git diff --git a/src/vnet/bonding/node.c b/src/vnet/bonding/node.c index 9479fe98dd0..a606d20f19c 100644 --- a/src/vnet/bonding/node.c +++ b/src/vnet/bonding/node.c @@ -21,11 +21,14 @@ #include #include +#ifndef CLIB_MARCH_VARIANT bond_main_t bond_main; +#endif /* CLIB_MARCH_VARIANT */ #define foreach_bond_input_error \ _(NONE, "no error") \ _(IF_DOWN, "interface down") \ + _(PASSIVE_IF, "traffic received on passive interface") \ _(PASS_THRU, "pass through (CDP, LLDP, slow protocols)") typedef enum @@ -36,7 +39,6 @@ typedef enum BOND_INPUT_N_ERROR, } bond_input_error_t; -#ifndef CLIB_MARCH_VARIANT static char *bond_input_error_strings[] = { #define _(n,s) s, foreach_bond_input_error @@ -60,14 +62,12 @@ format_bond_input_trace (u8 * s, va_list * args) return s; } -#endif - typedef enum { BOND_INPUT_NEXT_DROP, BOND_INPUT_N_NEXT, -} l2output_next_t; +} bond_output_next_t; static_always_inline u8 packet_is_cdp (ethernet_header_t * eth) @@ -85,14 +85,17 @@ packet_is_cdp (ethernet_header_t * eth) (snap->oui[2] == 0x0C))); } -static inline u32 +static inline void bond_sw_if_idx_rewrite (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_buffer_t * b, u32 bond_sw_if_index) + vlib_buffer_t * b, u32 bond_sw_if_index, + u32 * n_rx_packets, u32 * n_rx_bytes) { u16 *ethertype_p, ethertype; ethernet_vlan_header_t *vlan; ethernet_header_t *eth = (ethernet_header_t *) vlib_buffer_get_current (b); + (*n_rx_packets)++; + *n_rx_bytes += b->current_length; ethertype = clib_mem_unaligned (ð->type, u16); if (!ethernet_frame_is_tagged (ntohs (ethertype))) { @@ -103,7 +106,7 @@ bond_sw_if_idx_rewrite (vlib_main_t * vm, vlib_node_runtime_t * node, { /* Change the physical interface to bond interface */ vnet_buffer (b)->sw_if_index[VLIB_RX] = bond_sw_if_index; - return 1; + return; } } else @@ -123,60 +126,78 @@ bond_sw_if_idx_rewrite (vlib_main_t * vm, vlib_node_runtime_t * node, { /* Change the physical interface to bond interface */ vnet_buffer (b)->sw_if_index[VLIB_RX] = bond_sw_if_index; - return 1; + return; } } vlib_error_count (vm, node->node_index, BOND_INPUT_ERROR_PASS_THRU, 1); - return 0; + return; } static inline void bond_update_next (vlib_main_t * vm, vlib_node_runtime_t * node, u32 * last_slave_sw_if_index, u32 slave_sw_if_index, - u32 packet_count, u32 * bond_sw_if_index, vlib_buffer_t * b, u32 * next_index, vlib_error_t * error) { - u16 thread_index = vlib_get_thread_index (); slave_if_t *sif; bond_if_t *bif; - if (PREDICT_TRUE (*last_slave_sw_if_index == slave_sw_if_index)) - return; + *next_index = BOND_INPUT_NEXT_DROP; + *error = 0; - if (packet_count) - vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters + - VNET_INTERFACE_COUNTER_RX, thread_index, - *last_slave_sw_if_index, packet_count); + if (PREDICT_TRUE (*last_slave_sw_if_index == slave_sw_if_index)) + goto next; *last_slave_sw_if_index = slave_sw_if_index; - *next_index = BOND_INPUT_NEXT_DROP; sif = bond_get_slave_by_sw_if_index (slave_sw_if_index); - ASSERT (sif); + ALWAYS_ASSERT (sif); bif = bond_get_master_by_dev_instance (sif->bif_dev_instance); - ASSERT (bif); + ALWAYS_ASSERT (bif); ASSERT (vec_len (bif->slaves)); - if (PREDICT_TRUE (bif->admin_up == 0)) + if (PREDICT_FALSE (bif->admin_up == 0)) { *bond_sw_if_index = slave_sw_if_index; *error = node->errors[BOND_INPUT_ERROR_IF_DOWN]; } + if (PREDICT_FALSE ((bif->mode == BOND_MODE_ACTIVE_BACKUP) && + vec_len (bif->active_slaves) && + (slave_sw_if_index != bif->active_slaves[0]))) + { + *bond_sw_if_index = slave_sw_if_index; + *error = node->errors[BOND_INPUT_ERROR_PASSIVE_IF]; + return; + } + *bond_sw_if_index = bif->sw_if_index; - *error = 0; - vnet_feature_next ( /* not used */ 0, next_index, b); + +next: + vnet_feature_next (next_index, b); +} + +static_always_inline void +bond_update_next_x4 (vlib_buffer_t * b0, vlib_buffer_t * b1, + vlib_buffer_t * b2, vlib_buffer_t * b3) +{ + u32 tmp0, tmp1, tmp2, tmp3; + + tmp0 = tmp1 = tmp2 = tmp3 = BOND_INPUT_NEXT_DROP; + vnet_feature_next (&tmp0, b0); + vnet_feature_next (&tmp1, b1); + vnet_feature_next (&tmp2, b2); + vnet_feature_next (&tmp3, b3); } VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { - u16 thread_index = vlib_get_thread_index (); + u16 thread_index = vm->thread_index; u32 *from, n_left; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u32 sw_if_indices[VLIB_FRAME_SIZE], *sw_if_index; @@ -185,7 +206,7 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, u32 bond_sw_if_index = 0; vlib_error_t error = 0; u32 next_index = 0; - u32 cnt = 0; + u32 n_rx_bytes = 0, n_rx_packets = 0; /* Vector of buffer / pkt indices we're supposed to process */ from = vlib_frame_vector_args (frame); @@ -205,14 +226,10 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, /* Prefetch next iteration */ if (PREDICT_TRUE (n_left >= 16)) { - CLIB_PREFETCH (vlib_buffer_get_current (b[8]), - CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (vlib_buffer_get_current (b[9]), - CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (vlib_buffer_get_current (b[10]), - CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (vlib_buffer_get_current (b[11]), - CLIB_CACHE_LINE_BYTES, LOAD); + vlib_prefetch_buffer_data (b[8], LOAD); + vlib_prefetch_buffer_data (b[9], LOAD); + vlib_prefetch_buffer_data (b[10], LOAD); + vlib_prefetch_buffer_data (b[11], LOAD); vlib_prefetch_buffer_header (b[12], LOAD); vlib_prefetch_buffer_header (b[13], LOAD); @@ -232,6 +249,22 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, if (PREDICT_TRUE (x == 0)) { + /* + * Optimize to call update_next only if there is a feature arc + * after bond-input. Test feature count greater than 1 because + * bond-input itself is a feature arc for this slave interface. + */ + ASSERT ((vnet_buffer (b[0])->feature_arc_index == + vnet_buffer (b[1])->feature_arc_index) && + (vnet_buffer (b[0])->feature_arc_index == + vnet_buffer (b[2])->feature_arc_index) && + (vnet_buffer (b[0])->feature_arc_index == + vnet_buffer (b[3])->feature_arc_index)); + if (PREDICT_FALSE (vnet_get_feature_count + (vnet_buffer (b[0])->feature_arc_index, + last_slave_sw_if_index) > 1)) + bond_update_next_x4 (b[0], b[1], b[2], b[3]); + next[0] = next[1] = next[2] = next[3] = next_index; if (next_index == BOND_INPUT_NEXT_DROP) { @@ -242,54 +275,53 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, } else { - cnt += - bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index); - cnt += - bond_sw_if_idx_rewrite (vm, node, b[1], bond_sw_if_index); - cnt += - bond_sw_if_idx_rewrite (vm, node, b[2], bond_sw_if_index); - cnt += - bond_sw_if_idx_rewrite (vm, node, b[3], bond_sw_if_index); + bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); + bond_sw_if_idx_rewrite (vm, node, b[1], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); + bond_sw_if_idx_rewrite (vm, node, b[2], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); + bond_sw_if_idx_rewrite (vm, node, b[3], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); } } else { - bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[0], - cnt, &bond_sw_if_index, b[0], &next_index, - &error); + &bond_sw_if_index, b[0], &next_index, &error); next[0] = next_index; if (next_index == BOND_INPUT_NEXT_DROP) b[0]->error = error; else - cnt += bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index); + bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[1], - cnt, &bond_sw_if_index, b[1], &next_index, - &error); + &bond_sw_if_index, b[1], &next_index, &error); next[1] = next_index; if (next_index == BOND_INPUT_NEXT_DROP) b[1]->error = error; else - cnt += bond_sw_if_idx_rewrite (vm, node, b[1], bond_sw_if_index); + bond_sw_if_idx_rewrite (vm, node, b[1], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[2], - cnt, &bond_sw_if_index, b[2], &next_index, - &error); + &bond_sw_if_index, b[2], &next_index, &error); next[2] = next_index; if (next_index == BOND_INPUT_NEXT_DROP) b[2]->error = error; else - cnt += bond_sw_if_idx_rewrite (vm, node, b[2], bond_sw_if_index); + bond_sw_if_idx_rewrite (vm, node, b[2], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[3], - cnt, &bond_sw_if_index, b[3], &next_index, - &error); + &bond_sw_if_index, b[3], &next_index, &error); next[3] = next_index; if (next_index == BOND_INPUT_NEXT_DROP) b[3]->error = error; else - cnt += bond_sw_if_idx_rewrite (vm, node, b[3], bond_sw_if_index); + bond_sw_if_idx_rewrite (vm, node, b[3], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); } VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]); @@ -308,12 +340,13 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, { sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX]; bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[0], - cnt, &bond_sw_if_index, b[0], &next_index, &error); + &bond_sw_if_index, b[0], &next_index, &error); next[0] = next_index; if (next_index == BOND_INPUT_NEXT_DROP) b[0]->error = error; else - bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index); + bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index, + &n_rx_packets, &n_rx_bytes); VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]); @@ -329,7 +362,6 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, n_left = frame->n_vectors; /* number of packets to process */ b = bufs; sw_if_index = sw_if_indices; - next = nexts; bond_packet_trace_t *t0; while (n_left) @@ -338,22 +370,22 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, { t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0)); t0->sw_if_index = sw_if_index[0]; - clib_memcpy (&t0->ethernet, vlib_buffer_get_current (b[0]), - sizeof (ethernet_header_t)); + clib_memcpy_fast (&t0->ethernet, vlib_buffer_get_current (b[0]), + sizeof (ethernet_header_t)); t0->bond_sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_RX]; } /* next */ n_left--; b++; sw_if_index++; - next++; } } /* increase rx counters */ - vlib_increment_simple_counter - (vnet_main.interface_main.sw_if_counters + - VNET_INTERFACE_COUNTER_RX, thread_index, bond_sw_if_index, cnt); + vlib_increment_combined_counter + (vnet_main.interface_main.combined_sw_if_counters + + VNET_INTERFACE_COUNTER_RX, thread_index, bond_sw_if_index, n_rx_packets, + n_rx_bytes); vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors); vlib_node_increment_counter (vm, bond_input_node.index, @@ -362,7 +394,6 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm, return frame->n_vectors; } -#ifndef CLIB_MARCH_VARIANT static clib_error_t * bond_input_init (vlib_main_t * vm) { @@ -405,21 +436,16 @@ bond_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags) sif = bond_get_slave_by_sw_if_index (sw_if_index); if (sif) { - sif->port_enabled = flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP; + if (sif->lacp_enabled) + return 0; + + /* port_enabled is both admin up and hw link up */ + sif->port_enabled = ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) && + vnet_sw_interface_is_link_up (vnm, sw_if_index)); if (sif->port_enabled == 0) - { - if (sif->lacp_enabled == 0) - { - bond_disable_collecting_distributing (vm, sif); - } - } + bond_disable_collecting_distributing (vm, sif); else - { - if (sif->lacp_enabled == 0) - { - bond_enable_collecting_distributing (vm, sif); - } - } + bond_enable_collecting_distributing (vm, sif); } return 0; @@ -439,27 +465,23 @@ bond_hw_interface_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) sif = bond_get_slave_by_sw_if_index (sw->sw_if_index); if (sif) { - if (!(flags & VNET_HW_INTERFACE_FLAG_LINK_UP)) - { - if (sif->lacp_enabled == 0) - { - bond_disable_collecting_distributing (vm, sif); - } - } + if (sif->lacp_enabled) + return 0; + + /* port_enabled is both admin up and hw link up */ + sif->port_enabled = ((flags & VNET_HW_INTERFACE_FLAG_LINK_UP) && + vnet_sw_interface_is_admin_up (vnm, + sw->sw_if_index)); + if (sif->port_enabled == 0) + bond_disable_collecting_distributing (vm, sif); else - { - if (sif->lacp_enabled == 0) - { - bond_enable_collecting_distributing (vm, sif); - } - } + bond_enable_collecting_distributing (vm, sif); } return 0; } VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (bond_hw_interface_up_down); -#endif /* * fd.io coding-style-patch-verification: ON