snat_user_t *u;
snat_session_t *s = 0;
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+ f64 now = vlib_time_now (sm->vlib_main);
if (ip->protocol == IP_PROTOCOL_ICMP)
{
clib_warning ("in2out_ed key add failed");
}
+ if (ip->protocol == IP_PROTOCOL_TCP)
+ {
+ tcp_header_t *tcp = ip4_next_header(ip);
+ if (nat44_set_tcp_session_state_o2i (sm, s, tcp, thread_index))
+ return;
+ }
/* Per-user LRU list maintenance */
clib_dlist_remove (tsm->list_pool, s->per_user_index);
clib_dlist_addtail (tsm->list_pool, s->per_user_list_head_index,
s->per_user_index);
+ /* Accounting */
+ s->last_heard = now;
+ s->total_pkts++;
}
/**
s->ext_host_addr.as_u32 = ip->src_address.as_u32;
s->flags |= SNAT_SESSION_FLAG_UNKNOWN_PROTO;
s->flags |= SNAT_SESSION_FLAG_STATIC_MAPPING;
+ s->flags |= SNAT_SESSION_FLAG_ENDPOINT_DEPENDENT;
s->outside_address_index = ~0;
s->out2in.addr.as_u32 = old_addr;
s->out2in.fib_index = rx_fib_index;
snat_user_t *u;
u32 address_index;
snat_session_key_t eh_key;
- u8 twice_nat, lb;
+ twice_nat_type_t twice_nat;
+ u8 lb;
old_addr = ip->dst_address.as_u32;
s->flags |= SNAT_SESSION_FLAG_STATIC_MAPPING;
if (lb)
s->flags |= SNAT_SESSION_FLAG_LOAD_BALANCING;
+ s->flags |= SNAT_SESSION_FLAG_ENDPOINT_DEPENDENT;
s->outside_address_index = ~0;
s->out2in = e_key;
s->in2out = l_key;
if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &s_kv, 1))
clib_warning ("out2in-ed key add failed");
- if (twice_nat)
+ if (twice_nat == TWICE_NAT ||
+ (twice_nat == TWICE_NAT_SELF &&
+ ip->src_address.as_u32 == l_key.addr.as_u32))
{
eh_key.protocol = proto;
if (snat_alloc_outside_address_and_port (sm->twice_nat_addresses, 0,
src_address);
ip->checksum = ip_csum_fold (sum);
+ vnet_buffer(b)->sw_if_index[VLIB_TX] = s->in2out.fib_index;
+
if (PREDICT_TRUE(proto == SNAT_PROTOCOL_TCP))
{
old_port = tcp->dst_port;
ip->src_address.as_u32 = s->ext_host_nat_addr.as_u32;
}
tcp->checksum = ip_csum_fold(sum);
+ if (nat44_set_tcp_session_state_o2i (sm, s, tcp, thread_index))
+ return s;
}
else
{
udp->checksum = 0;
}
- vnet_buffer(b)->sw_if_index[VLIB_TX] = s->in2out.fib_index;
-
/* Accounting */
s->last_heard = now;
s->total_pkts++;