diff options
Diffstat (limited to 'src/vnet/adj/adj_nbr.c')
| -rw-r--r-- | src/vnet/adj/adj_nbr.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/vnet/adj/adj_nbr.c b/src/vnet/adj/adj_nbr.c index 9ef3651de66..61b5c83053b 100644 --- a/src/vnet/adj/adj_nbr.c +++ b/src/vnet/adj/adj_nbr.c @@ -132,6 +132,47 @@ adj_get_nd_node (fib_protocol_t proto) return (ip4_arp_node.index); } +/** + * @brief Check and set feature flags if o/p interface has any o/p features. + */ +static void +adj_nbr_evaluate_feature (adj_index_t ai) +{ + ip_adjacency_t *adj; + vnet_feature_main_t *fm = &feature_main; + i16 feature_count; + u8 arc_index; + u32 sw_if_index; + + adj = adj_get(ai); + + switch (adj->ia_link) + { + case VNET_LINK_IP4: + arc_index = ip4_main.lookup_main.output_feature_arc_index; + break; + case VNET_LINK_IP6: + arc_index = ip6_main.lookup_main.output_feature_arc_index; + break; + case VNET_LINK_MPLS: + arc_index = mpls_main.output_feature_arc_index; + break; + default: + return; + } + + sw_if_index = adj->rewrite_header.sw_if_index; + vec_validate (fm->feature_count_by_sw_if_index[arc_index], sw_if_index); + feature_count = fm->feature_count_by_sw_if_index[arc_index][sw_if_index]; + + if (feature_count > 0) + adj->rewrite_header.flags |= VNET_REWRITE_HAS_FEATURES; + else + adj->rewrite_header.flags &= ~VNET_REWRITE_HAS_FEATURES; + + return; +} + static ip_adjacency_t* adj_nbr_alloc (fib_protocol_t nh_proto, vnet_link_t link_type, @@ -158,6 +199,7 @@ adj_nbr_alloc (fib_protocol_t nh_proto, memset(&adj->sub_type.midchain.next_dpo, 0, sizeof(adj->sub_type.midchain.next_dpo)); + adj_nbr_evaluate_feature (adj_get_index(adj)); return (adj); } |