diff options
Diffstat (limited to 'vnet/vnet/lisp-gpe/ip_forward.c')
| -rw-r--r-- | vnet/vnet/lisp-gpe/ip_forward.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/vnet/vnet/lisp-gpe/ip_forward.c b/vnet/vnet/lisp-gpe/ip_forward.c index 1294e0e2423..38a274e3e3c 100644 --- a/vnet/vnet/lisp-gpe/ip_forward.c +++ b/vnet/vnet/lisp-gpe/ip_forward.c @@ -109,6 +109,16 @@ ip4_sd_fib_add_del_src_route (lisp_gpe_main_t * lgm, old_adj_index = fib->old_hash_values[0]; + /* Avoid spurious reference count increments */ + if (old_adj_index == adj_index + && adj_index != ~0 + && !(a->flags & IP4_ROUTE_FLAG_KEEP_OLD_ADJACENCY)) + { + ip_adjacency_t * adj = ip_get_adjacency (lm, adj_index); + if (adj->share_count > 0) + adj->share_count --; + } + ip4_fib_mtrie_add_del_route (fib, a->dst_address, dst_address_length, is_del ? old_adj_index : adj_index, is_del); @@ -222,8 +232,17 @@ ip4_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix, /* insert dst prefix to ip4 fib, if it's not in yet */ if (p == 0) { + /* allocate and init src ip4 fib */ + pool_get(lgm->ip4_src_fibs, src_fib); + ip4_mtrie_init (&src_fib->mtrie); + + /* configure adjacency */ + memset(&dst_adj, 0, sizeof(dst_adj)); + + /* reuse rewrite header to store pointer to src fib */ + dst_adj.rewrite_header.sw_if_index = src_fib - lgm->ip4_src_fibs; + /* dst adj should point to lisp gpe lookup */ - dst_adj = add_adj[0]; dst_adj.lookup_next_index = lgm->ip4_lookup_next_lgpe_ip4_lookup; memset(&a, 0, sizeof(a)); @@ -241,21 +260,8 @@ ip4_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix, /* lookup dst adj to obtain the adj index */ p = ip4_get_route (lgm->im4, table_id, 0, dst.as_u8, dst_address_length); - if (p == 0) - { - clib_warning("Failed to insert dst route for eid %U!", - format_ip4_address_and_length, dst.as_u8, - dst_address_length); - return -1; - } - - /* allocate and init src ip4 fib */ - pool_get(lgm->ip4_src_fibs, src_fib); - ip4_mtrie_init (&src_fib->mtrie); - /* reuse rewrite header to store pointer to src fib */ - dst_adjp = ip_get_adjacency (lgm->lm4, p[0]); - dst_adjp->rewrite_header.sw_if_index = src_fib - lgm->ip4_src_fibs; + ASSERT(p != 0); } } else @@ -278,7 +284,7 @@ ip4_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix, a.adj_index = ~0; a.flags |= is_add ? IP4_ROUTE_FLAG_ADD : IP4_ROUTE_FLAG_DEL; a.add_adj = add_adj; - a.n_add_adj = 1; + a.n_add_adj = is_add ? 1 : 0; /* if src prefix is null, add 0/0 */ a.dst_address_length = src_address_length; a.dst_address = src; @@ -539,8 +545,18 @@ ip6_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix, /* insert dst prefix to ip6 fib, if it's not in yet */ if (adj_index == 0) { + + /* allocate and init src ip6 fib */ + pool_get(lgm->ip6_src_fibs, src_fib); + memset(src_fib, 0, sizeof(src_fib[0])); + ip6_src_fib_init (src_fib); + + memset(&dst_adj, 0, sizeof(dst_adj)); + + /* reuse rewrite header to store pointer to src fib */ + dst_adj.rewrite_header.sw_if_index = src_fib - lgm->ip6_src_fibs; + /* dst adj should point to lisp gpe ip lookup */ - dst_adj = add_adj[0]; dst_adj.lookup_next_index = lgm->ip6_lookup_next_lgpe_ip6_lookup; memset(&a, 0, sizeof(a)); @@ -560,15 +576,6 @@ ip6_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix, dst_address_length); ASSERT(adj_index != 0); - - /* allocate and init src ip6 fib */ - pool_get(lgm->ip6_src_fibs, src_fib); - memset(src_fib, 0, sizeof(src_fib[0])); - ip6_src_fib_init (src_fib); - - /* reuse rewrite header to store pointer to src fib */ - dst_adjp = ip_get_adjacency (lgm->lm6, adj_index); - dst_adjp->rewrite_header.sw_if_index = src_fib - lgm->ip6_src_fibs; } } else @@ -591,7 +598,7 @@ ip6_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix, a.adj_index = ~0; a.flags |= is_add ? IP6_ROUTE_FLAG_ADD : IP6_ROUTE_FLAG_DEL; a.add_adj = add_adj; - a.n_add_adj = 1; + a.n_add_adj = is_add ? 1 : 0; /* if src prefix is null, add ::0 */ a.dst_address_length = src_address_length; a.dst_address = src; |