diff options
Diffstat (limited to 'src/vnet/ip/ip6.h')
| -rw-r--r-- | src/vnet/ip/ip6.h | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/src/vnet/ip/ip6.h b/src/vnet/ip/ip6.h index 033ecfc43b8..959d72c0fad 100644 --- a/src/vnet/ip/ip6.h +++ b/src/vnet/ip/ip6.h @@ -276,25 +276,36 @@ ip6_unaligned_destination_matches_route (ip6_main_t * im, return 1; } +extern int ip6_get_ll_address (u32 sw_if_index, ip6_address_t * addr); + always_inline int ip6_src_address_for_packet (ip_lookup_main_t * lm, - u32 sw_if_index, ip6_address_t * src) + u32 sw_if_index, + const ip6_address_t * dst, ip6_address_t * src) { - u32 if_add_index = lm->if_address_pool_index_by_sw_if_index[sw_if_index]; - if (PREDICT_TRUE (if_add_index != ~0)) + if (ip6_address_is_link_local_unicast (dst)) { - ip_interface_address_t *if_add = - pool_elt_at_index (lm->if_address_pool, if_add_index); - ip6_address_t *if_ip = ip_interface_address_get_address (lm, if_add); - *src = *if_ip; - return (0); + return ip6_get_ll_address (sw_if_index, src); } else { - src->as_u64[0] = 0; - src->as_u64[1] = 0; + u32 if_add_index = + lm->if_address_pool_index_by_sw_if_index[sw_if_index]; + if (PREDICT_TRUE (if_add_index != ~0)) + { + ip_interface_address_t *if_add = + pool_elt_at_index (lm->if_address_pool, if_add_index); + ip6_address_t *if_ip = + ip_interface_address_get_address (lm, if_add); + *src = *if_ip; + return (!0); + } } - return (!0); + + src->as_u64[0] = 0; + src->as_u64[1] = 0; + + return (0); } /* Find interface address which matches destination. */ |