diff options
Diffstat (limited to 'vnet/vnet/ip/ip6_forward.c')
| -rw-r--r-- | vnet/vnet/ip/ip6_forward.c | 89 |
1 files changed, 71 insertions, 18 deletions
diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c index db74c75b37b..e57269a0844 100644 --- a/vnet/vnet/ip/ip6_forward.c +++ b/vnet/vnet/ip/ip6_forward.c @@ -367,10 +367,12 @@ ip6_add_del_route_next_hop (ip6_main_t * im, } else { - vnm->api_errno = VNET_API_ERROR_UNKNOWN_DESTINATION; - error = clib_error_return (0, "next-hop %U/128 not in FIB", - format_ip6_address, next_hop); - goto done; + ip_adjacency_t add_adj; + add_adj.lookup_next_index = IP_LOOKUP_NEXT_INDIRECT; + add_adj.indirect.next_hop.ip6.as_u64[0] = next_hop->as_u64[0]; + add_adj.indirect.next_hop.ip6.as_u64[1] = next_hop->as_u64[1]; + add_adj.explicit_fib_index = explicit_fib_index; + ip_add_adjacency (lm, &add_adj, 1, &nh_adj_index); } } else @@ -641,10 +643,11 @@ void ip6_delete_matching_routes (ip6_main_t * im, ip6_maybe_remap_adjacencies (im, table_index_or_table_id, flags); } -static uword -ip6_lookup (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) +always_inline uword +ip6_lookup_inline (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame, + int is_indirect) { ip6_main_t * im = &ip6_main; ip_lookup_main_t * lm = &im->lookup_main; @@ -669,6 +672,7 @@ ip6_lookup (vlib_main_t * vm, ip_lookup_next_t next0, next1; ip6_header_t * ip0, * ip1; ip_adjacency_t * adj0, * adj1; + ip6_address_t * dst_addr0, * dst_addr1; u32 fib_index0, fib_index1; u32 flow_hash_config0, flow_hash_config1; @@ -694,6 +698,20 @@ ip6_lookup (vlib_main_t * vm, ip0 = vlib_buffer_get_current (p0); ip1 = vlib_buffer_get_current (p1); + if (is_indirect) + { + ip_adjacency_t * iadj0, * iadj1; + iadj0 = ip_get_adjacency (lm, vnet_buffer(p0)->ip.adj_index[VLIB_TX]); + iadj1 = ip_get_adjacency (lm, vnet_buffer(p1)->ip.adj_index[VLIB_TX]); + dst_addr0 = &iadj0->indirect.next_hop.ip6; + dst_addr1 = &iadj1->indirect.next_hop.ip6; + } + else + { + dst_addr0 = &ip0->dst_address; + dst_addr1 = &ip1->dst_address; + } + fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]); fib_index1 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p1)->sw_if_index[VLIB_RX]); @@ -702,10 +720,8 @@ ip6_lookup (vlib_main_t * vm, fib_index1 = (vnet_buffer(p1)->sw_if_index[VLIB_TX] == (u32)~0) ? fib_index1 : vnet_buffer(p1)->sw_if_index[VLIB_TX]; - adj_index0 = ip6_fib_lookup_with_table (im, fib_index0, - &ip0->dst_address); - adj_index1 = ip6_fib_lookup_with_table (im, fib_index1, - &ip1->dst_address); + adj_index0 = ip6_fib_lookup_with_table (im, fib_index0, dst_addr0); + adj_index1 = ip6_fib_lookup_with_table (im, fib_index1, dst_addr1); adj0 = ip_get_adjacency (lm, adj_index0); adj1 = ip_get_adjacency (lm, adj_index1); @@ -713,13 +729,13 @@ ip6_lookup (vlib_main_t * vm, if (PREDICT_FALSE (adj0->explicit_fib_index != ~0)) { adj_index0 = ip6_fib_lookup_with_table - (im, adj0->explicit_fib_index, &ip0->dst_address); + (im, adj0->explicit_fib_index, dst_addr0); adj0 = ip_get_adjacency (lm, adj_index0); } if (PREDICT_FALSE (adj1->explicit_fib_index != ~0)) { adj_index1 = ip6_fib_lookup_with_table - (im, adj1->explicit_fib_index, &ip1->dst_address); + (im, adj1->explicit_fib_index, dst_addr1); adj1 = ip_get_adjacency (lm, adj_index1); } @@ -818,6 +834,7 @@ ip6_lookup (vlib_main_t * vm, u32 pi0, adj_index0; ip_lookup_next_t next0; ip_adjacency_t * adj0; + ip6_address_t * dst_addr0; u32 fib_index0, flow_hash_config0; pi0 = from[0]; @@ -827,6 +844,17 @@ ip6_lookup (vlib_main_t * vm, ip0 = vlib_buffer_get_current (p0); + if (is_indirect) + { + ip_adjacency_t * iadj0; + iadj0 = ip_get_adjacency (lm, vnet_buffer(p0)->ip.adj_index[VLIB_TX]); + dst_addr0 = &iadj0->indirect.next_hop.ip6; + } + else + { + dst_addr0 = &ip0->dst_address; + } + fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]); fib_index0 = (vnet_buffer(p0)->sw_if_index[VLIB_TX] == (u32)~0) ? fib_index0 : vnet_buffer(p0)->sw_if_index[VLIB_TX]; @@ -834,15 +862,14 @@ ip6_lookup (vlib_main_t * vm, flow_hash_config0 = vec_elt_at_index (im->fibs,fib_index0)->flow_hash_config; - adj_index0 = ip6_fib_lookup_with_table (im, fib_index0, - &ip0->dst_address); + adj_index0 = ip6_fib_lookup_with_table (im, fib_index0, dst_addr0); adj0 = ip_get_adjacency (lm, adj_index0); if (PREDICT_FALSE (adj0->explicit_fib_index != ~0)) { - adj_index0 = ip6_fib_lookup_with_table - (im, adj0->explicit_fib_index, &ip0->dst_address); + adj_index0 = ip6_fib_lookup_with_table + (im, adj0->explicit_fib_index, dst_addr0); adj0 = ip_get_adjacency (lm, adj_index0); } @@ -1206,6 +1233,14 @@ ip6_sw_interface_add_del (vnet_main_t * vnm, VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip6_sw_interface_add_del); +static uword +ip6_lookup (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) +{ + return ip6_lookup_inline (vm, node, frame, /* is_indirect */ 0); +} + VLIB_REGISTER_NODE (ip6_lookup_node) = { .function = ip6_lookup, .name = "ip6-lookup", @@ -1215,6 +1250,24 @@ VLIB_REGISTER_NODE (ip6_lookup_node) = { .next_nodes = IP6_LOOKUP_NEXT_NODES, }; +static uword +ip6_indirect (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) +{ + return ip6_lookup_inline (vm, node, frame, /* is_indirect */ 1); +} + + +VLIB_REGISTER_NODE (ip6_indirect_node) = { + .function = ip6_indirect, + .name = "ip6-indirect", + .vector_size = sizeof (u32), + + .n_next_nodes = IP_LOOKUP_N_NEXT, + .next_nodes = IP6_LOOKUP_NEXT_NODES, +}; + typedef struct { /* Adjacency taken. */ u32 adj_index; |