From f9bb3b45d1693c8bd2d80025848f70a20d84d32b Mon Sep 17 00:00:00 2001 From: AkshayaNadahalli Date: Tue, 28 Mar 2017 12:19:54 +0530 Subject: Fix output feature processing (VPP-670) Double committing to 17.04 as its a bug-fix. Change-Id: I94539812191ad0eb8abe78e2dad25ab96c780f30 Signed-off-by: AkshayaNadahalli --- src/vnet/adj/adj_nbr.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'src') diff --git a/src/vnet/adj/adj_nbr.c b/src/vnet/adj/adj_nbr.c index 9ef3651de66..072abd0300d 100644 --- a/src/vnet/adj/adj_nbr.c +++ b/src/vnet/adj/adj_nbr.c @@ -132,6 +132,46 @@ 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; + if (vec_len(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; + } + + return; +} + static ip_adjacency_t* adj_nbr_alloc (fib_protocol_t nh_proto, vnet_link_t link_type, @@ -158,6 +198,7 @@ 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); } -- cgit 1.2.3-korg