X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fadj%2Fadj.c;h=90e7e60a32950569c6d0bef29e22ab911cafc348;hb=bdc0e6b7;hp=f3d483ac13fe8ef9126774a17c1bec72c081a075;hpb=b069a6910aa2b95316ccdb5d9e5b95143b9dc7c0;p=vpp.git diff --git a/src/vnet/adj/adj.c b/src/vnet/adj/adj.c index f3d483ac13f..90e7e60a329 100644 --- a/src/vnet/adj/adj.c +++ b/src/vnet/adj/adj.c @@ -18,15 +18,9 @@ #include #include #include +#include #include -/* - * Special Adj with index zero. we need to define this since the v4 mtrie - * assumes an index of 0 implies the ply is empty. therefore all 'real' - * adjs need a non-zero index. - */ -static ip_adjacency_t *special_v4_miss_adj_with_index_zero; - /* Adjacency packet/byte counters indexed by adjacency index. */ vlib_combined_counter_main_t adjacency_counters; @@ -41,6 +35,13 @@ ip_adjacency_t *adj_pool; */ int adj_per_adj_counters; +const ip46_address_t ADJ_BCAST_ADDR = { + .ip6 = { + .as_u64[0] = 0xffffffffffffffff, + .as_u64[1] = 0xffffffffffffffff, + }, +}; + always_inline void adj_poison (ip_adjacency_t * adj) { @@ -55,7 +56,7 @@ adj_alloc (fib_protocol_t proto) { ip_adjacency_t *adj; - pool_get(adj_pool, adj); + pool_get_aligned(adj_pool, adj, CLIB_CACHE_LINE_BYTES); adj_poison(adj); @@ -64,17 +65,19 @@ adj_alloc (fib_protocol_t proto) vlib_validate_combined_counter(&adjacency_counters, adj_get_index(adj)); - adj->rewrite_header.sw_if_index = ~0; - adj->n_adj = 1; - adj->lookup_next_index = 0; - fib_node_init(&adj->ia_node, FIB_NODE_TYPE_ADJ); + adj->ia_nh_proto = proto; adj->ia_flags = 0; + adj->rewrite_header.sw_if_index = ~0; + adj->rewrite_header.flags = 0; + adj->lookup_next_index = 0; + adj->ia_delegates = NULL; - ip4_main.lookup_main.adjacency_heap = adj_pool; - ip6_main.lookup_main.adjacency_heap = adj_pool; + /* lest it become a midchain in the future */ + memset(&adj->sub_type.midchain.next_dpo, 0, + sizeof(adj->sub_type.midchain.next_dpo)); return (adj); } @@ -124,6 +127,9 @@ format_ip_adjacency (u8 * s, va_list * args) case IP_LOOKUP_NEXT_MCAST: s = format (s, "%U", format_adj_mcast, adj_index, 0); break; + case IP_LOOKUP_NEXT_MCAST_MIDCHAIN: + s = format (s, "%U", format_adj_mcast_midchain, adj_index, 0); + break; default: break; } @@ -133,10 +139,17 @@ format_ip_adjacency (u8 * s, va_list * args) vlib_counter_t counts; vlib_get_combined_counter(&adjacency_counters, adj_index, &counts); - s = format (s, "\n counts:[%Ld:%Ld]", counts.packets, counts.bytes); - s = format (s, "\n locks:%d", adj->ia_node.fn_locks); - s = format(s, "\n children:\n "); - s = fib_node_children_format(adj->ia_node.fn_children, s); + s = format (s, "\n counts:[%Ld:%Ld]", counts.packets, counts.bytes); + s = format (s, "\n locks:%d", adj->ia_node.fn_locks); + s = format(s, "\n delegates:\n "); + adj_delegate_format(s, adj); + + s = format(s, "\n children:"); + if (fib_node_list_get_size(adj->ia_node.fn_children)) + { + s = format(s, "\n "); + s = fib_node_children_format(adj->ia_node.fn_children, s); + } } return s; @@ -155,6 +168,8 @@ adj_last_lock_gone (ip_adjacency_t *adj) ASSERT(0 == fib_node_list_get_size(adj->ia_node.fn_children)); ADJ_DBG(adj, "last-lock-gone"); + adj_delegate_adj_deleted(adj); + vlib_worker_thread_barrier_sync (vm); switch (adj->lookup_next_index) @@ -164,6 +179,7 @@ adj_last_lock_gone (ip_adjacency_t *adj) /* FALL THROUGH */ case IP_LOOKUP_NEXT_ARP: case IP_LOOKUP_NEXT_REWRITE: + case IP_LOOKUP_NEXT_BCAST: /* * complete and incomplete nbr adjs */ @@ -178,10 +194,15 @@ adj_last_lock_gone (ip_adjacency_t *adj) adj->rewrite_header.sw_if_index); break; case IP_LOOKUP_NEXT_MCAST: + case IP_LOOKUP_NEXT_MCAST_MIDCHAIN: adj_mcast_remove(adj->ia_nh_proto, adj->rewrite_header.sw_if_index); break; - default: + case IP_LOOKUP_NEXT_DROP: + case IP_LOOKUP_NEXT_PUNT: + case IP_LOOKUP_NEXT_LOCAL: + case IP_LOOKUP_NEXT_ICMP_ERROR: + case IP_LOOKUP_N_NEXT: /* * type not stored in any DB from which we need to remove it */ @@ -191,9 +212,21 @@ adj_last_lock_gone (ip_adjacency_t *adj) vlib_worker_thread_barrier_release(vm); fib_node_deinit(&adj->ia_node); + ASSERT(0 == vec_len(adj->ia_delegates)); + vec_free(adj->ia_delegates); pool_put(adj_pool, adj); } +u32 +adj_dpo_get_urpf (const dpo_id_t *dpo) +{ + ip_adjacency_t *adj; + + adj = adj_get(dpo->dpoi_index); + + return (adj->rewrite_header.sw_if_index); +} + void adj_lock (adj_index_t adj_index) { @@ -314,6 +347,28 @@ adj_feature_update (u32 sw_if_index, adj_walk (sw_if_index, adj_feature_update_walk_cb, &ctx); } +static adj_walk_rc_t +adj_mtu_update_walk_cb (adj_index_t ai, + void *arg) +{ + ip_adjacency_t *adj; + + adj = adj_get(ai); + + vnet_rewrite_update_mtu (vnet_get_main(), adj->ia_link, + &adj->rewrite_header); + + return (ADJ_WALK_RC_CONTINUE); +} + +static void +adj_mtu_update (vnet_main_t * vnm, u32 sw_if_index, u32 flags) +{ + adj_walk (sw_if_index, adj_mtu_update_walk_cb, NULL); +} + +VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(adj_mtu_update); + /** * @brief Walk the Adjacencies on a given interface */ @@ -330,6 +385,7 @@ adj_walk (u32 sw_if_index, FOR_EACH_FIB_IP_PROTOCOL(proto) { adj_nbr_walk(sw_if_index, proto, cb, ctx); + adj_mcast_walk(sw_if_index, proto, cb, ctx); } } @@ -360,7 +416,17 @@ adj_get_sw_if_index (adj_index_t ai) } /** - * @brief Return the link type of the adjacency + * @brief Return true if the adjacency is 'UP', i.e. can be used for forwarding + * 0 is down, !0 is up. + */ +int +adj_is_up (adj_index_t ai) +{ + return (adj_bfd_is_up(ai)); +} + +/** + * @brief Return the rewrite string of the adjacency */ const u8* adj_get_rewrite (adj_index_t ai) @@ -426,11 +492,6 @@ adj_module_init (vlib_main_t * vm) adj_midchain_module_init(); adj_mcast_module_init(); - /* - * one special adj to reserve index 0 - */ - special_v4_miss_adj_with_index_zero = adj_alloc(FIB_PROTOCOL_IP4); - return (NULL); } @@ -463,7 +524,7 @@ adj_show (vlib_main_t * vm, if (summary) { - vlib_cli_output (vm, "Number of adjacenies: %d", pool_elts(adj_pool)); + vlib_cli_output (vm, "Number of adjacencies: %d", pool_elts(adj_pool)); vlib_cli_output (vm, "Per-adjacency counters: %s", (adj_are_counters_enabled() ? "enabled": @@ -514,9 +575,9 @@ adj_show (vlib_main_t * vm, * [@0] * [@1] glean: loop0 * [@2] ipv4 via 1.0.0.2 loop0: IP4: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc - * [@3] mpls via 1.0.0.2 loop0: MPLS_UNICAST: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc + * [@3] mpls via 1.0.0.2 loop0: MPLS: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc * [@4] ipv4 via 1.0.0.3 loop0: IP4: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc - * [@5] mpls via 1.0.0.3 loop0: MPLS_UNICAST: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc + * [@5] mpls via 1.0.0.3 loop0: MPLS: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc * @cliexend ?*/ VLIB_CLI_COMMAND (adj_show_command, static) = {