diff options
| author |   Matus Fabian <matfabia@cisco.com> | 2017-02-02 01:43:00 -0800 |
|---|---|---|
| committer | Matus Fabian <matfabia@cisco.com> | 2017-02-03 01:09:45 -0800 |
| commit | 09d96f4a611fa989bfbbfb7e683d668dbe73ac1a (patch) | |
| tree | c3e99fad08357a2c1b9660de49cf01b2e7d20aee /src/plugins/snat/in2out.c | |
| parent | 85bb9172894870f0c6c72e1555a0decf4d37213f (diff) | |
SNAT: Port allocation per protocol
Ports are allocated per protocol (UDP, TCP, ICMP)
1:1 NAT with port is configured for specific protocol
Change-Id: I37ae5eed3715b223d0620d4fdaed7a482bb7a834
Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/snat/in2out.c')
| -rw-r--r-- | src/plugins/snat/in2out.c | 37 |
1 files changed, 7 insertions, 30 deletions
diff --git a/src/plugins/snat/in2out.c b/src/plugins/snat/in2out.c index fba852c6..b0047737 100644 --- a/src/plugins/snat/in2out.c +++ b/src/plugins/snat/in2out.c @@ -224,7 +224,7 @@ static u32 slow_path (snat_main_t *sm, vlib_buffer_t *b0, u32 address_index = ~0; u32 outside_fib_index; uword * p; - snat_static_mapping_key_t worker_by_out_key; + snat_worker_key_t worker_by_out_key; p = hash_get (sm->ip4_main->fib_index_by_table_id, sm->outside_vrf_id); if (! p) @@ -234,6 +234,7 @@ static u32 slow_path (snat_main_t *sm, vlib_buffer_t *b0, } outside_fib_index = p[0]; + key1.protocol = key0->protocol; user_key.addr = ip0->src_address; user_key.fib_index = rx_fib_index0; kv0.key = user_key.as_u64; @@ -520,7 +521,7 @@ snat_hairpinning (snat_main_t *sm, u32 proto0) { snat_session_key_t key0, sm0; - snat_static_mapping_key_t k0; + snat_worker_key_t k0; snat_session_t * s0; clib_bihash_kv_8_8_t kv0, value0; ip_csum_t sum0; @@ -682,13 +683,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, next0 = next1 = SNAT_IN2OUT_NEXT_LOOKUP; - proto0 = ~0; - proto0 = (ip0->protocol == IP_PROTOCOL_UDP) - ? SNAT_PROTOCOL_UDP : proto0; - proto0 = (ip0->protocol == IP_PROTOCOL_TCP) - ? SNAT_PROTOCOL_TCP : proto0; - proto0 = (ip0->protocol == IP_PROTOCOL_ICMP) - ? SNAT_PROTOCOL_ICMP : proto0; + proto0 = ip_proto_to_snat_proto (ip0->protocol); /* Next configured feature, probably ip4-lookup */ if (is_slow_path) @@ -818,13 +813,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, rx_fib_index1 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index, sw_if_index1); - proto1 = ~0; - proto1 = (ip1->protocol == IP_PROTOCOL_UDP) - ? SNAT_PROTOCOL_UDP : proto1; - proto1 = (ip1->protocol == IP_PROTOCOL_TCP) - ? SNAT_PROTOCOL_TCP : proto1; - proto1 = (ip1->protocol == IP_PROTOCOL_ICMP) - ? SNAT_PROTOCOL_ICMP : proto1; + proto1 = ip_proto_to_snat_proto (ip1->protocol); /* Next configured feature, probably ip4-lookup */ if (is_slow_path) @@ -989,13 +978,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index, sw_if_index0); - proto0 = ~0; - proto0 = (ip0->protocol == IP_PROTOCOL_UDP) - ? SNAT_PROTOCOL_UDP : proto0; - proto0 = (ip0->protocol == IP_PROTOCOL_TCP) - ? SNAT_PROTOCOL_TCP : proto0; - proto0 = (ip0->protocol == IP_PROTOCOL_ICMP) - ? SNAT_PROTOCOL_ICMP : proto0; + proto0 = ip_proto_to_snat_proto (ip0->protocol); /* Next configured feature, probably ip4-lookup */ if (is_slow_path) @@ -1497,13 +1480,7 @@ snat_in2out_fast_static_map_fn (vlib_main_t * vm, sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX]; rx_fib_index0 = ip4_fib_table_get_index_for_sw_if_index(sw_if_index0); - proto0 = ~0; - proto0 = (ip0->protocol == IP_PROTOCOL_UDP) - ? SNAT_PROTOCOL_UDP : proto0; - proto0 = (ip0->protocol == IP_PROTOCOL_TCP) - ? SNAT_PROTOCOL_TCP : proto0; - proto0 = (ip0->protocol == IP_PROTOCOL_ICMP) - ? SNAT_PROTOCOL_ICMP : proto0; + proto0 = ip_proto_to_snat_proto (ip0->protocol); if (PREDICT_FALSE (proto0 == ~0)) goto trace0; |