diff options
Diffstat (limited to 'src/vnet/ip/lookup.h')
| -rw-r--r-- | src/vnet/ip/lookup.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index 4c598e3a460..6340e57e095 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -86,6 +86,24 @@ typedef u32 flow_hash_config_t; /* An all zeros address */ extern const ip46_address_t zero_addr; +typedef struct +{ + fib_prefix_t prefix; + + u32 sw_if_index; +} ip_interface_prefix_key_t; + +typedef struct +{ + /* key - prefix and sw_if_index */ + ip_interface_prefix_key_t key; + + /* number of addresses in this prefix on the interface */ + u16 ref_count; + + /* index of the interface address used as a default source address */ + u32 src_ia_index; +} ip_interface_prefix_t; typedef struct { @@ -131,6 +149,12 @@ typedef struct ip_lookup_main_t ~0 means this interface has no address. */ u32 *if_address_pool_index_by_sw_if_index; + /** Pool of prefixes containing addresses assigned to interfaces */ + ip_interface_prefix_t *if_prefix_pool; + + /** Hash table mapping prefix to index in interface prefix pool */ + mhash_t prefix_to_if_prefix_index; + /** First table index to use for this interface, ~0 => none */ u32 *classify_table_index_by_sw_if_index; @@ -178,6 +202,13 @@ ip_interface_address_get_address (ip_lookup_main_t * lm, return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key); } +always_inline ip_interface_prefix_t * +ip_get_interface_prefix (ip_lookup_main_t * lm, ip_interface_prefix_key_t * k) +{ + uword *p = mhash_get (&lm->prefix_to_if_prefix_index, k); + return p ? pool_elt_at_index (lm->if_prefix_pool, p[0]) : 0; +} + /* *INDENT-OFF* */ #define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \ do { \ |