return (clib_host_to_net_u32 (vtcfl));
}
-static_always_inline bool
-ip4_map_ip6_lookup_bypass (vlib_buffer_t * p0, ip4_header_t * ip)
-{
-#ifdef MAP_SKIP_IP6_LOOKUP
- if (FIB_NODE_INDEX_INVALID != pre_resolved[FIB_PROTOCOL_IP6].fei)
- {
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] =
- pre_resolved[FIB_PROTOCOL_IP6].dpo.dpoi_index;
- return (true);
- }
-#endif
- return (false);
-}
-
/*
* ip4_map_ttl
*/
*error = ttl <= 0 ? IP4_ERROR_TIME_EXPIRED : *error;
/* Verify checksum. */
- ASSERT (ip->checksum == ip4_header_checksum (ip));
+ ASSERT (ip4_header_checksum_is_valid (ip));
}
static u32
*/
port0 = ip4_map_port_and_security_check (d0, p0, &error0);
+ /*
+ * Clamp TCP MSS value.
+ */
+ if (ip40->protocol == IP_PROTOCOL_TCP)
+ {
+ tcp_header_t *tcp = ip4_next_header (ip40);
+ if (mm->tcp_mss > 0 && tcp_syn (tcp))
+ {
+ ip_csum_t csum = tcp->checksum;
+ map_mss_clamping (tcp, &csum, mm->tcp_mss);
+ tcp->checksum = ip_csum_fold (csum);
+ }
+ }
+
/* Decrement IPv4 TTL */
ip4_map_decrement_ttl (ip40, &error0);
bool df0 =