X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_path.c;h=8d160d99ccc7acaa2057d496aa8f231a8ffe6dae;hb=1765f014bc7fcc3b924019ec96350eb50bef629f;hp=2cee8467647c6d81896d387b5c623843dc8188f1;hpb=fcee30d6f522db4f54f9de69d4efd7449eeeae03;p=vpp.git diff --git a/src/vnet/fib/fib_path.c b/src/vnet/fib/fib_path.c index 2cee8467647..8d160d99ccc 100644 --- a/src/vnet/fib/fib_path.c +++ b/src/vnet/fib/fib_path.c @@ -140,10 +140,6 @@ typedef enum fib_path_oper_attribute_t_ { * The path is resolved */ FIB_PATH_OPER_ATTRIBUTE_RESOLVED, - /** - * The path is attached, despite what the next-hop may say. - */ - FIB_PATH_OPER_ATTRIBUTE_ATTACHED, /** * The path has become a permanent drop. */ @@ -178,7 +174,6 @@ typedef enum fib_path_oper_flags_t_ { FIB_PATH_OPER_FLAG_RECURSIVE_LOOP = (1 << FIB_PATH_OPER_ATTRIBUTE_RECURSIVE_LOOP), FIB_PATH_OPER_FLAG_DROP = (1 << FIB_PATH_OPER_ATTRIBUTE_DROP), FIB_PATH_OPER_FLAG_RESOLVED = (1 << FIB_PATH_OPER_ATTRIBUTE_RESOLVED), - FIB_PATH_OPER_FLAG_ATTACHED = (1 << FIB_PATH_OPER_ATTRIBUTE_ATTACHED), } __attribute__ ((packed)) fib_path_oper_flags_t; /** @@ -245,6 +240,10 @@ typedef struct fib_path_t_ { u32 fp_interface; } attached_next_hop; struct { + /** + * The Connected local address + */ + fib_prefix_t fp_connected; /** * The interface */ @@ -268,16 +267,10 @@ typedef struct fib_path_t_ { mpls_eos_bit_t fp_eos; }; } fp_nh; - union { - /** - * The FIB table index in which to find the next-hop. - */ - fib_node_index_t fp_tbl_id; - /** - * The BIER FIB the fmask is in - */ - index_t fp_bier_fib; - }; + /** + * The FIB table index in which to find the next-hop. + */ + fib_node_index_t fp_tbl_id; } recursive; struct { /** @@ -355,7 +348,7 @@ typedef struct fib_path_t_ { STRUCT_MARK(path_hash_end); /** - * Memebers in this last section represent information that is + * Members in this last section represent information that is * dervied during resolution. It should not be copied to new paths * nor compared. */ @@ -671,14 +664,18 @@ fib_path_attached_next_hop_get_adj (fib_path_t *path, static void fib_path_attached_next_hop_set (fib_path_t *path) { + dpo_id_t tmp = DPO_INVALID; + /* * resolve directly via the adjacency discribed by the * interface and next-hop */ + dpo_copy (&tmp, &path->fp_dpo); path = fib_path_attached_next_hop_get_adj(path, dpo_proto_to_link(path->fp_nh_proto), - &path->fp_dpo); - + &tmp); + dpo_copy(&path->fp_dpo, &tmp); + dpo_reset(&tmp); ASSERT(dpo_is_adj(&path->fp_dpo)); /* @@ -732,7 +729,7 @@ fib_path_attached_get_adj (fib_path_t *path, ai = adj_glean_add_or_lock(nh_proto, link, path->attached.fp_interface, - NULL); + &path->attached.fp_connected); dpo_set(dpo, DPO_ADJACENCY_GLEAN, vnet_link_to_dpo_proto(link), ai); adj_unlock(ai); } @@ -1006,6 +1003,7 @@ fib_path_back_walk_notify (fib_node_t *node, &path->fp_dpo); } if ((FIB_NODE_BW_REASON_FLAG_ADJ_UPDATE & ctx->fnbw_reason) || + (FIB_NODE_BW_REASON_FLAG_ADJ_MTU & ctx->fnbw_reason) || (FIB_NODE_BW_REASON_FLAG_ADJ_DOWN & ctx->fnbw_reason)) { /* @@ -1095,16 +1093,20 @@ FIXME comment /* * restack the DPO to pick up the correct DPO sub-type */ + dpo_id_t tmp = DPO_INVALID; uword if_is_up; if_is_up = vnet_sw_interface_is_up( vnet_get_main(), path->attached_next_hop.fp_interface); + dpo_copy (&tmp, &path->fp_dpo); path = fib_path_attached_next_hop_get_adj( path, dpo_proto_to_link(path->fp_nh_proto), - &path->fp_dpo); + &tmp); + dpo_copy(&path->fp_dpo, &tmp); + dpo_reset(&tmp); path->fp_oper_flags &= ~FIB_PATH_OPER_FLAG_RESOLVED; if (if_is_up && adj_is_up(path->fp_dpo.dpoi_index)) @@ -1159,6 +1161,11 @@ FIXME comment fib_path_unresolve(path); path->fp_oper_flags |= FIB_PATH_OPER_FLAG_DROP; } + if (FIB_NODE_BW_REASON_FLAG_INTERFACE_BIND & ctx->fnbw_reason) + { + /* bind walks should appear here and pass silently up to + * to the fib_entry */ + } break; case FIB_PATH_TYPE_UDP_ENCAP: { @@ -1262,6 +1269,8 @@ fib_path_route_flags_to_cfg_flags (const fib_route_path_t *rpath) cfg_flags |= FIB_PATH_CFG_FLAG_ICMP_UNREACH; if (rpath->frp_flags & FIB_ROUTE_PATH_ICMP_PROHIBIT) cfg_flags |= FIB_PATH_CFG_FLAG_ICMP_PROHIBIT; + if (rpath->frp_flags & FIB_ROUTE_PATH_GLEAN) + cfg_flags |= FIB_PATH_CFG_FLAG_GLEAN; return (cfg_flags); } @@ -1365,6 +1374,12 @@ fib_path_create (fib_node_index_t pl_index, path->fp_type = FIB_PATH_TYPE_SPECIAL; path->classify.fp_classify_table_id = rpath->frp_classify_table_id; } + else if (path->fp_cfg_flags & FIB_PATH_CFG_FLAG_GLEAN) + { + path->fp_type = FIB_PATH_TYPE_ATTACHED; + path->attached.fp_interface = rpath->frp_sw_if_index; + path->attached.fp_connected = rpath->frp_connected; + } else if (~0 != rpath->frp_sw_if_index) { if (ip46_address_is_zero(&rpath->frp_addr)) @@ -1492,6 +1507,12 @@ fib_path_copy (fib_node_index_t path_index, clib_memset(&path->fp_dpo, 0, sizeof(path->fp_dpo)); dpo_reset(&path->fp_dpo); + if (path->fp_type == FIB_PATH_TYPE_EXCLUSIVE) + { + clib_memset(&path->exclusive.fp_ex_dpo, 0, sizeof(dpo_id_t)); + dpo_copy(&path->exclusive.fp_ex_dpo, &orig_path->exclusive.fp_ex_dpo); + } + return (fib_path_get_index(path)); } @@ -1977,7 +1998,11 @@ fib_path_resolve (fib_node_index_t path_index) } else { - fib_prefix_from_ip46_addr(&path->recursive.fp_nh.fp_ip, &pfx); + ASSERT(!ip46_address_is_zero(&path->recursive.fp_nh.fp_ip)); + + fib_protocol_t fp = (ip46_address_is_ip4(&path->recursive.fp_nh.fp_ip) ? + FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6); + fib_prefix_from_ip46_addr(fp, &path->recursive.fp_nh.fp_ip, &pfx); } fib_table_lock(path->recursive.fp_tbl_id, @@ -2105,7 +2130,7 @@ fib_path_resolve (fib_node_index_t path_index) break; } case FIB_PATH_TYPE_DVR: - dvr_dpo_add_or_lock(path->attached.fp_interface, + dvr_dpo_add_or_lock(path->dvr.fp_interface, path->fp_nh_proto, &path->fp_dpo); break; @@ -2326,10 +2351,12 @@ fib_path_contribute_urpf (fib_node_index_t path_index, case FIB_PATH_TYPE_DVR: fib_urpf_list_append(urpf, path->dvr.fp_interface); break; + case FIB_PATH_TYPE_UDP_ENCAP: + fib_urpf_list_append(urpf, path->udp_encap.fp_udp_encap_id); + break; case FIB_PATH_TYPE_DEAG: case FIB_PATH_TYPE_RECEIVE: case FIB_PATH_TYPE_INTF_RX: - case FIB_PATH_TYPE_UDP_ENCAP: case FIB_PATH_TYPE_BIER_FMASK: case FIB_PATH_TYPE_BIER_TABLE: case FIB_PATH_TYPE_BIER_IMP: @@ -2404,6 +2431,7 @@ fib_path_stack_mpls_disp (fib_node_index_t path_index, void fib_path_contribute_forwarding (fib_node_index_t path_index, fib_forward_chain_type_t fct, + dpo_proto_t payload_proto, dpo_id_t *dpo) { fib_path_t *path; @@ -2411,7 +2439,6 @@ fib_path_contribute_forwarding (fib_node_index_t path_index, path = fib_path_get(path_index); ASSERT(path); - ASSERT(FIB_FORW_CHAIN_TYPE_MPLS_EOS != fct); /* * The DPO stored in the path was created when the path was resolved. @@ -2429,19 +2456,35 @@ fib_path_contribute_forwarding (fib_node_index_t path_index, case FIB_PATH_TYPE_ATTACHED_NEXT_HOP: switch (fct) { + case FIB_FORW_CHAIN_TYPE_MPLS_EOS: { + dpo_id_t tmp = DPO_INVALID; + dpo_copy (&tmp, dpo); + path = fib_path_attached_next_hop_get_adj( + path, + dpo_proto_to_link(payload_proto), + &tmp); + dpo_copy (dpo, &tmp); + dpo_reset(&tmp); + break; + } case FIB_FORW_CHAIN_TYPE_UNICAST_IP4: case FIB_FORW_CHAIN_TYPE_UNICAST_IP6: - case FIB_FORW_CHAIN_TYPE_MPLS_EOS: case FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS: case FIB_FORW_CHAIN_TYPE_ETHERNET: case FIB_FORW_CHAIN_TYPE_NSH: case FIB_FORW_CHAIN_TYPE_MCAST_IP4: case FIB_FORW_CHAIN_TYPE_MCAST_IP6: - path = fib_path_attached_next_hop_get_adj( - path, - fib_forw_chain_type_to_link_type(fct), - dpo); - break; + { + dpo_id_t tmp = DPO_INVALID; + dpo_copy (&tmp, dpo); + path = fib_path_attached_next_hop_get_adj( + path, + fib_forw_chain_type_to_link_type(fct), + &tmp); + dpo_copy (dpo, &tmp); + dpo_reset(&tmp); + break; + } case FIB_FORW_CHAIN_TYPE_BIER: break; } @@ -2537,10 +2580,25 @@ fib_path_contribute_forwarding (fib_node_index_t path_index, case FIB_PATH_TYPE_ATTACHED: switch (fct) { + case FIB_FORW_CHAIN_TYPE_MPLS_EOS: + /* + * End of stack traffic via an attacehd path (a glean) + * must forace an IP lookup so that the IP packet can + * match against any installed adj-fibs + */ + lookup_dpo_add_or_lock_w_fib_index( + fib_table_get_index_for_sw_if_index( + dpo_proto_to_fib(payload_proto), + path->attached.fp_interface), + payload_proto, + LOOKUP_UNICAST, + LOOKUP_INPUT_DST_ADDR, + LOOKUP_TABLE_FROM_CONFIG, + dpo); + break; case FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS: case FIB_FORW_CHAIN_TYPE_UNICAST_IP4: case FIB_FORW_CHAIN_TYPE_UNICAST_IP6: - case FIB_FORW_CHAIN_TYPE_MPLS_EOS: case FIB_FORW_CHAIN_TYPE_ETHERNET: case FIB_FORW_CHAIN_TYPE_NSH: case FIB_FORW_CHAIN_TYPE_BIER: @@ -2586,8 +2644,8 @@ fib_path_contribute_forwarding (fib_node_index_t path_index, /* * Create the adj needed for sending IP multicast traffic */ - interface_rx_dpo_add_or_lock(fib_forw_chain_type_to_dpo_proto(fct), - path->attached.fp_interface, + interface_rx_dpo_add_or_lock(payload_proto, + path->intf_rx.fp_interface, dpo); break; case FIB_PATH_TYPE_UDP_ENCAP: @@ -2607,6 +2665,7 @@ fib_path_contribute_forwarding (fib_node_index_t path_index, load_balance_path_t * fib_path_append_nh_for_multipath_hash (fib_node_index_t path_index, fib_forward_chain_type_t fct, + dpo_proto_t payload_proto, load_balance_path_t *hash_key) { load_balance_path_t *mnh; @@ -2623,7 +2682,7 @@ fib_path_append_nh_for_multipath_hash (fib_node_index_t path_index, if (fib_path_is_resolved(path_index)) { - fib_path_contribute_forwarding(path_index, fct, &mnh->path_dpo); + fib_path_contribute_forwarding(path_index, fct, payload_proto, &mnh->path_dpo); } else { @@ -2820,11 +2879,11 @@ show_fib_path_command (vlib_main_t * vm, else { vlib_cli_output (vm, "FIB Paths"); - pool_foreach_index (pi, fib_path_pool, - ({ + pool_foreach_index (pi, fib_path_pool) + { vlib_cli_output (vm, "%U", format_fib_path, pi, 0, FIB_PATH_FORMAT_FLAGS_NONE); - })); + } } return (NULL);