diff options
Diffstat (limited to 'src/plugins/cnat/cnat_snat.h')
-rw-r--r-- | src/plugins/cnat/cnat_snat.h | 44 |
1 files changed, 2 insertions, 42 deletions
diff --git a/src/plugins/cnat/cnat_snat.h b/src/plugins/cnat/cnat_snat.h index 97bad8b01d0..326746f8915 100644 --- a/src/plugins/cnat/cnat_snat.h +++ b/src/plugins/cnat/cnat_snat.h @@ -18,51 +18,11 @@ #include <cnat/cnat_types.h> -always_inline int -cnat_search_snat_prefix (ip46_address_t * addr, ip_address_family_t af) -{ - /* Returns 0 if addr matches any of the listed prefixes */ - cnat_snat_pfx_table_t *table = &cnat_main.snat_pfx_table; - clib_bihash_kv_24_8_t kv, val; - int i, n_p, rv; - n_p = vec_len (table->meta[af].prefix_lengths_in_search_order); - if (AF_IP4 == af) - { - kv.key[0] = addr->ip4.as_u32; - kv.key[1] = 0; - } - else - { - kv.key[0] = addr->as_u64[0]; - kv.key[1] = addr->as_u64[1]; - } - - /* - * start search from a mask length same length or shorter. - * we don't want matches longer than the mask passed - */ - i = 0; - for (; i < n_p; i++) - { - int dst_address_length = - table->meta[af].prefix_lengths_in_search_order[i]; - ip6_address_t *mask = &table->ip_masks[dst_address_length]; - - ASSERT (dst_address_length >= 0 && dst_address_length <= 128); - /* As lengths are decreasing, masks are increasingly specific. */ - kv.key[0] &= mask->as_u64[0]; - kv.key[1] &= mask->as_u64[1]; - kv.key[2] = ((u64) af << 32) | dst_address_length; - rv = clib_bihash_search_inline_2_24_8 (&table->ip_hash, &kv, &val); - if (rv == 0) - return 0; - } - return -1; -} - extern int cnat_add_snat_prefix (ip_prefix_t * pfx); extern int cnat_del_snat_prefix (ip_prefix_t * pfx); +int cnat_search_snat_prefix (ip46_address_t * addr, ip_address_family_t af); + /* * fd.io coding-style-patch-verification: ON * |