diff options
Diffstat (limited to 'vnet/vnet/ip/ip6_forward.c')
| -rw-r--r-- | vnet/vnet/ip/ip6_forward.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c index c8b9df01a88..d001ebb25a8 100644 --- a/vnet/vnet/ip/ip6_forward.c +++ b/vnet/vnet/ip/ip6_forward.c @@ -353,14 +353,29 @@ ip6_add_del_route_next_hop (ip6_main_t * im, kv.key[2] = ((u64)((fib - im->fibs))<<32) | 128; if (BV(clib_bihash_search)(&im->ip6_lookup_table, &kv, &value) < 0) + { + ip_adjacency_t * adj; + nh_adj_index = ip6_fib_lookup_with_table (im, fib_index, next_hop); + adj = ip_get_adjacency (lm, nh_adj_index); + /* if ND interface adjacencty is present, we need to + install ND adjaceny for specific next hop */ + if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP && + adj->arp.next_hop.ip6.as_u64[0] == 0 && + adj->arp.next_hop.ip6.as_u64[1] == 0) + { + nh_adj_index = vnet_ip6_neighbor_glean_add(fib_index, next_hop); + } + 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; } - - nh_adj_index = value.value; + } + else + nh_adj_index = value.value; + } } else @@ -424,6 +439,28 @@ ip6_add_del_route_next_hop (ip6_main_t * im, goto done; } + /* Destination is not known and default weight is set so add route + to existing non-multipath adjacency */ + if (dst_adj_index == ~0 && next_hop_weight == 1 && next_hop_sw_if_index == ~0) + { + /* create new adjacency */ + ip6_add_del_route_args_t a; + a.table_index_or_table_id = fib_index; + a.flags = ((is_del ? IP6_ROUTE_FLAG_DEL : IP6_ROUTE_FLAG_ADD) + | IP6_ROUTE_FLAG_FIB_INDEX + | IP6_ROUTE_FLAG_KEEP_OLD_ADJACENCY + | (flags & (IP6_ROUTE_FLAG_NO_REDISTRIBUTE + | IP6_ROUTE_FLAG_NOT_LAST_IN_GROUP))); + a.dst_address = dst_address[0]; + a.dst_address_length = dst_address_length; + a.adj_index = nh_adj_index; + a.add_adj = 0; + a.n_add_adj = 0; + + ip6_add_del_route (im, &a); + goto done; + } + old_mp_adj_index = dst_adj ? dst_adj->heap_handle : ~0; if (! ip_multipath_adjacency_add_del_next_hop @@ -872,6 +909,8 @@ void ip6_adjacency_set_interface_route (vnet_main_t * vnm, n = IP_LOOKUP_NEXT_ARP; node_index = ip6_discover_neighbor_node.index; adj->if_address_index = if_address_index; + adj->arp.next_hop.ip6.as_u64[0] = 0; + adj->arp.next_hop.ip6.as_u64[1] = 0; } else { @@ -1840,6 +1879,12 @@ ip6_discover_neighbor (vlib_main_t * vm, adj0 = ip_get_adjacency (lm, adj_index0); + if (adj0->arp.next_hop.ip6.as_u64[0] || + adj0->arp.next_hop.ip6.as_u64[1]) { + ip0->dst_address.as_u64[0] = adj0->arp.next_hop.ip6.as_u64[0]; + ip0->dst_address.as_u64[1] = adj0->arp.next_hop.ip6.as_u64[1]; + } + a0 = hash_seeds[0]; b0 = hash_seeds[1]; c0 = hash_seeds[2]; |