diff options
Diffstat (limited to 'vnet/vnet/ip/udp.h')
| -rw-r--r-- | vnet/vnet/ip/udp.h | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/vnet/vnet/ip/udp.h b/vnet/vnet/ip/udp.h index 1cf525c6..1845fa74 100644 --- a/vnet/vnet/ip/udp.h +++ b/vnet/vnet/ip/udp.h @@ -115,14 +115,13 @@ void udp_register_dst_port (vlib_main_t * vm, u32 node_index, u8 is_ip4); always_inline void -ip_udp_encap_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 * ec0, word ec_len, +ip_udp_fixup_one (vlib_main_t * vm, + vlib_buffer_t * b0, u8 is_ip4) { u16 new_l0; udp_header_t * udp0; - vlib_buffer_advance (b0, - ec_len); - if (is_ip4) { ip4_header_t * ip0; @@ -131,9 +130,6 @@ ip_udp_encap_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 * ec0, word ec_len, ip0 = vlib_buffer_get_current(b0); - /* Apply the encap string. */ - clib_memcpy(ip0, ec0, ec_len); - /* fix the <bleep>ing outer-IP checksum */ sum0 = ip0->checksum; /* old_l0 always 0, see the rewrite setup */ @@ -157,9 +153,6 @@ ip_udp_encap_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 * ec0, word ec_len, ip0 = vlib_buffer_get_current(b0); - /* Apply the encap string. */ - clib_memcpy(ip0, ec0, ec_len); - new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) - sizeof (*ip0)); ip0->payload_length = new_l0; @@ -175,6 +168,33 @@ ip_udp_encap_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 * ec0, word ec_len, udp0->checksum = 0xffff; } } +always_inline void +ip_udp_encap_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 * ec0, word ec_len, + u8 is_ip4) +{ + vlib_buffer_advance (b0, - ec_len); + + if (is_ip4) + { + ip4_header_t * ip0; + + ip0 = vlib_buffer_get_current(b0); + + /* Apply the encap string. */ + clib_memcpy(ip0, ec0, ec_len); + ip_udp_fixup_one(vm, b0, 1); + } + else + { + ip6_header_t * ip0; + + ip0 = vlib_buffer_get_current(b0); + + /* Apply the encap string. */ + clib_memcpy(ip0, ec0, ec_len); + ip_udp_fixup_one(vm, b0, 0); + } +} always_inline void ip_udp_encap_two (vlib_main_t * vm, vlib_buffer_t * b0, vlib_buffer_t * b1, |