diff options
author | Matus Fabian <matfabia@cisco.com> | 2017-05-02 03:15:22 -0700 |
---|---|---|
committer | Ole Trøan <otroan@employees.org> | 2017-05-05 09:04:44 +0000 |
commit | a774b53623f60b5e8ea8ed634d6a41e847743715 (patch) | |
tree | 308dd4afd17f9d40cff8526a30f23a6eb5474c29 /src/vnet/map/map.c | |
parent | da7567c022676374e7e50ff44c12ba0825e0cb38 (diff) |
NAT64: Move IPv6-IPv4 virtual reassembly code from MAP-T to common library (VPP-708)
Change-Id: I9ad636f80bf109ffac9ca1b6d80d5f2c31f2076a
Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/vnet/map/map.c')
-rw-r--r-- | src/vnet/map/map.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/vnet/map/map.c b/src/vnet/map/map.c index 6a707df10c7..8579cdf6a7b 100644 --- a/src/vnet/map/map.c +++ b/src/vnet/map/map.c @@ -76,91 +76,6 @@ crc_u32 (u32 data, u32 value) */ -i32 -ip4_get_port (ip4_header_t * ip, map_dir_e dir, u16 buffer_len) -{ - //TODO: use buffer length - if (ip->ip_version_and_header_length != 0x45 || - ip4_get_fragment_offset (ip)) - return -1; - - if (PREDICT_TRUE ((ip->protocol == IP_PROTOCOL_TCP) || - (ip->protocol == IP_PROTOCOL_UDP))) - { - udp_header_t *udp = (void *) (ip + 1); - return (dir == MAP_SENDER) ? udp->src_port : udp->dst_port; - } - else if (ip->protocol == IP_PROTOCOL_ICMP) - { - icmp46_header_t *icmp = (void *) (ip + 1); - if (icmp->type == ICMP4_echo_request || icmp->type == ICMP4_echo_reply) - { - return *((u16 *) (icmp + 1)); - } - else if (clib_net_to_host_u16 (ip->length) >= 64) - { - ip = (ip4_header_t *) (icmp + 2); - if (PREDICT_TRUE ((ip->protocol == IP_PROTOCOL_TCP) || - (ip->protocol == IP_PROTOCOL_UDP))) - { - udp_header_t *udp = (void *) (ip + 1); - return (dir == MAP_SENDER) ? udp->dst_port : udp->src_port; - } - else if (ip->protocol == IP_PROTOCOL_ICMP) - { - icmp46_header_t *icmp = (void *) (ip + 1); - if (icmp->type == ICMP4_echo_request || - icmp->type == ICMP4_echo_reply) - { - return *((u16 *) (icmp + 1)); - } - } - } - } - return -1; -} - -i32 -ip6_get_port (ip6_header_t * ip6, map_dir_e dir, u16 buffer_len) -{ - u8 l4_protocol; - u16 l4_offset; - u16 frag_offset; - u8 *l4; - - if (ip6_parse (ip6, buffer_len, &l4_protocol, &l4_offset, &frag_offset)) - return -1; - - //TODO: Use buffer length - - if (frag_offset && - ip6_frag_hdr_offset (((ip6_frag_hdr_t *) - u8_ptr_add (ip6, frag_offset)))) - return -1; //Can't deal with non-first fragment for now - - l4 = u8_ptr_add (ip6, l4_offset); - if (l4_protocol == IP_PROTOCOL_TCP || l4_protocol == IP_PROTOCOL_UDP) - { - return (dir == - MAP_SENDER) ? ((udp_header_t *) (l4))->src_port : ((udp_header_t - *) - (l4))->dst_port; - } - else if (l4_protocol == IP_PROTOCOL_ICMP6) - { - icmp46_header_t *icmp = (icmp46_header_t *) (l4); - if (icmp->type == ICMP6_echo_request) - { - return (dir == MAP_SENDER) ? ((u16 *) (icmp))[2] : -1; - } - else if (icmp->type == ICMP6_echo_reply) - { - return (dir == MAP_SENDER) ? -1 : ((u16 *) (icmp))[2]; - } - } - return -1; -} - int map_create_domain (ip4_address_t * ip4_prefix, |