diff options
Diffstat (limited to 'src/vnet/bier/bier_disp_lookup_node.c')
| -rw-r--r-- | src/vnet/bier/bier_disp_lookup_node.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/vnet/bier/bier_disp_lookup_node.c b/src/vnet/bier/bier_disp_lookup_node.c index 15515f467ca..1e1ea99557f 100644 --- a/src/vnet/bier/bier_disp_lookup_node.c +++ b/src/vnet/bier/bier_disp_lookup_node.c @@ -63,6 +63,7 @@ bier_disp_lookup_inline (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { const bier_hdr_t *hdr0; + bier_hdr_src_id_t src0; vlib_buffer_t * b0; u32 bdei0, bdti0; u32 next0, bi0; @@ -82,15 +83,22 @@ bier_disp_lookup_inline (vlib_main_t * vm, /* * lookup - source is in network order. */ - bdei0 = bier_disp_table_lookup(bdti0, bier_hdr_get_src_id(hdr0)); + src0 = bier_hdr_get_src_id(hdr0); + next0 = BIER_DISP_LOOKUP_NEXT_DISPATCH; + + bdei0 = bier_disp_table_lookup(bdti0, src0); if (PREDICT_FALSE(INDEX_INVALID == bdei0)) { - next0 = BIER_DISP_LOOKUP_NEXT_DROP; - } - else - { - next0 = BIER_DISP_LOOKUP_NEXT_DISPATCH; + /* + * if a specific match misses, try the default + */ + bdei0 = bier_disp_table_lookup(bdti0, 0); + + if (PREDICT_FALSE(INDEX_INVALID == bdei0)) + { + next0 = BIER_DISP_LOOKUP_NEXT_DROP; + } } vnet_buffer(b0)->ip.adj_index[VLIB_TX] = bdei0; |