udp_header_t *udp0;
nat44_is_idle_session_ctx_t ctx0;
- nat44_session_try_cleanup (&in2out.addr, in2out.fib_index, thread_index,
- now);
-
if (PREDICT_FALSE (nat44_maximum_sessions_exceeded (sm, thread_index)))
{
b0->error = node->errors[SNAT_OUT2IN_ERROR_MAX_SESSIONS_EXCEEDED];
if (!icmp_type_is_error_message
(vnet_buffer (b)->ip.reass.icmp_type_or_tcp_flags))
{
- key0.protocol = SNAT_PROTOCOL_ICMP;
+ key0.protocol = NAT_PROTOCOL_ICMP;
key0.addr = ip0->dst_address;
- key0.port = vnet_buffer (b)->ip.reass.l4_src_port; // TODO should this be dst port?
+ key0.port = vnet_buffer (b)->ip.reass.l4_src_port;
}
else
{
inner_ip0 = (ip4_header_t *) (echo0 + 1);
l4_header = ip4_next_header (inner_ip0);
- key0.protocol = ip_proto_to_snat_proto (inner_ip0->protocol);
+ key0.protocol = ip_proto_to_nat_proto (inner_ip0->protocol);
key0.addr = inner_ip0->src_address;
switch (key0.protocol)
{
- case SNAT_PROTOCOL_ICMP:
+ case NAT_PROTOCOL_ICMP:
inner_icmp0 = (icmp46_header_t *) l4_header;
inner_echo0 = (icmp_echo_header_t *) (inner_icmp0 + 1);
key0.port = inner_echo0->identifier;
break;
- case SNAT_PROTOCOL_UDP:
- case SNAT_PROTOCOL_TCP:
+ case NAT_PROTOCOL_UDP:
+ case NAT_PROTOCOL_TCP:
key0.port = ((tcp_udp_header_t *) l4_header)->src_port;
break;
default:
* @param[in,out] node NAT node runtime
* @param[in] thread_index thread index
* @param[in,out] b0 buffer containing packet to be translated
+ * @param[in,out] ip0 ip header
* @param[out] p_proto protocol used for matching
* @param[out] p_value address and port after NAT translation
* @param[out] p_dont_translate if packet should not be translated
snat_session_key_t * p_value,
u8 * p_dont_translate, void *d, void *e)
{
+ snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
u32 sw_if_index0;
u32 rx_fib_index0;
snat_session_key_t key0;
u32 next0 = ~0;
int err;
u8 identity_nat;
+ vlib_main_t *vm = vlib_get_main ();
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);
kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in, &kv0,
- &value0))
+ if (clib_bihash_search_8_8 (&tsm->out2in, &kv0, &value0))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */
/* Create session initiated by host from external network */
s0 = create_session_for_static_mapping (sm, b0, sm0, key0,
node, thread_index,
- vlib_time_now (sm->vlib_main));
+ vlib_time_now (vm));
if (!s0)
{
goto out;
}
- s0 = pool_elt_at_index (sm->per_thread_data[thread_index].sessions,
- value0.value);
+ s0 = pool_elt_at_index (tsm->sessions, value0.value);
}
out:
* @param[in,out] node NAT node runtime
* @param[in] thread_index thread index
* @param[in,out] b0 buffer containing packet to be translated
+ * @param[in,out] ip0 ip header
* @param[out] p_proto protocol used for matching
* @param[out] p_value address and port after NAT translation
* @param[out] p_dont_translate if packet should not be translated
ip_csum_t sum0;
u16 checksum0;
u32 next0_tmp;
+ vlib_main_t *vm = vlib_get_main ();
echo0 = (icmp_echo_header_t *) (icmp0 + 1);
if (PREDICT_TRUE (!ip4_is_fragment (ip0)))
{
- sum0 = ip_incremental_checksum_buffer (sm->vlib_main, b0, (u8 *) icmp0 -
- (u8 *)
- vlib_buffer_get_current (b0),
- ntohs (ip0->length) -
- ip4_header_bytes (ip0), 0);
+ sum0 =
+ ip_incremental_checksum_buffer (vm, b0,
+ (u8 *) icmp0 -
+ (u8 *) vlib_buffer_get_current (b0),
+ ntohs (ip0->length) -
+ ip4_header_bytes (ip0), 0);
checksum0 = ~ip_csum_fold (sum0);
if (checksum0 != 0 && checksum0 != 0xffff)
{
switch (protocol)
{
- case SNAT_PROTOCOL_ICMP:
+ case NAT_PROTOCOL_ICMP:
inner_icmp0 = (icmp46_header_t *) l4_header;
inner_echo0 = (icmp_echo_header_t *) (inner_icmp0 + 1);
identifier);
icmp0->checksum = ip_csum_fold (sum0);
break;
- case SNAT_PROTOCOL_UDP:
- case SNAT_PROTOCOL_TCP:
+ case NAT_PROTOCOL_UDP:
+ case NAT_PROTOCOL_TCP:
old_id0 = ((tcp_udp_header_t *) l4_header)->src_port;
new_id0 = sm0.port;
((tcp_udp_header_t *) l4_header)->src_port = new_id0;
u32 next0, f64 now,
u32 thread_index, snat_session_t ** p_s0)
{
+ vlib_main_t *vm = vlib_get_main ();
+
next0 = icmp_out2in (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, thread_index, p_s0, 0);
snat_session_t *s0 = *p_s0;
/* Accounting */
nat44_session_update_counters (s0, now,
vlib_buffer_length_in_chain
- (sm->vlib_main, b0), thread_index);
+ (vm, b0), thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s0, thread_index);
}
snat_main_t *sm = &snat_main;
f64 now = vlib_time_now (vm);
u32 thread_index = vm->thread_index;
+ snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
u32 tcp_packets = 0, udp_packets = 0, icmp_packets = 0, other_packets =
0, fragments = 0;
goto trace0;
}
- proto0 = ip_proto_to_snat_proto (ip0->protocol);
+ proto0 = ip_proto_to_nat_proto (ip0->protocol);
- if (PREDICT_FALSE (proto0 == ~0))
+ if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
{
if (nat_out2in_sm_unknown_proto (sm, b0, ip0, rx_fib_index0))
{
goto trace0;
}
- if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
+ if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
next0 = icmp_out2in_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
* be able to use dhcp client on the outside interface
*/
if (PREDICT_FALSE
- (proto0 == SNAT_PROTOCOL_UDP
+ (proto0 == NAT_PROTOCOL_UDP
&& (vnet_buffer (b0)->ip.reass.l4_dst_port ==
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
}
}
else
- s0 =
- pool_elt_at_index (sm->per_thread_data[thread_index].sessions,
- value0.value);
+ s0 = pool_elt_at_index (tsm->sessions, value0.value);
old_addr0 = ip0->dst_address.as_u32;
ip0->dst_address = s0->in2out.addr;
dst_address /* changed member */ );
ip0->checksum = ip_csum_fold (sum0);
- if (PREDICT_TRUE (proto0 == SNAT_PROTOCOL_TCP))
+ if (PREDICT_TRUE (proto0 == NAT_PROTOCOL_TCP))
{
if (!vnet_buffer (b0)->ip.reass.is_non_first_fragment)
{
goto trace1;
}
- proto1 = ip_proto_to_snat_proto (ip1->protocol);
+ proto1 = ip_proto_to_nat_proto (ip1->protocol);
- if (PREDICT_FALSE (proto1 == ~0))
+ if (PREDICT_FALSE (proto1 == NAT_PROTOCOL_OTHER))
{
if (nat_out2in_sm_unknown_proto (sm, b1, ip1, rx_fib_index1))
{
goto trace1;
}
- if (PREDICT_FALSE (proto1 == SNAT_PROTOCOL_ICMP))
+ if (PREDICT_FALSE (proto1 == NAT_PROTOCOL_ICMP))
{
next1 = icmp_out2in_slow_path
(sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node,
* be able to use dhcp client on the outside interface
*/
if (PREDICT_FALSE
- (proto1 == SNAT_PROTOCOL_UDP
+ (proto1 == NAT_PROTOCOL_UDP
&& (vnet_buffer (b1)->ip.reass.l4_dst_port ==
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
dst_address /* changed member */ );
ip1->checksum = ip_csum_fold (sum1);
- if (PREDICT_TRUE (proto1 == SNAT_PROTOCOL_TCP))
+ if (PREDICT_TRUE (proto1 == NAT_PROTOCOL_TCP))
{
if (!vnet_buffer (b1)->ip.reass.is_non_first_fragment)
{
rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
sw_if_index0);
- proto0 = ip_proto_to_snat_proto (ip0->protocol);
+ proto0 = ip_proto_to_nat_proto (ip0->protocol);
- if (PREDICT_FALSE (proto0 == ~0))
+ if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
{
if (nat_out2in_sm_unknown_proto (sm, b0, ip0, rx_fib_index0))
{
goto trace00;
}
- if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
+ if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
next0 = icmp_out2in_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
* be able to use dhcp client on the outside interface
*/
if (PREDICT_FALSE
- (proto0 == SNAT_PROTOCOL_UDP
+ (proto0 == NAT_PROTOCOL_UDP
&& (vnet_buffer (b0)->ip.reass.l4_dst_port ==
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
dst_address /* changed member */ );
ip0->checksum = ip_csum_fold (sum0);
- if (PREDICT_TRUE (proto0 == SNAT_PROTOCOL_TCP))
+ if (PREDICT_TRUE (proto0 == NAT_PROTOCOL_TCP))
{
if (!vnet_buffer (b0)->ip.reass.is_non_first_fragment)
{
goto trace00;
}
- proto0 = ip_proto_to_snat_proto (ip0->protocol);
+ proto0 = ip_proto_to_nat_proto (ip0->protocol);
- if (PREDICT_FALSE (proto0 == ~0))
+ if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_OTHER))
goto trace00;
- if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
+ if (PREDICT_FALSE (proto0 == NAT_PROTOCOL_ICMP))
{
next0 = icmp_out2in (sm, b0, ip0, icmp0, sw_if_index0,
rx_fib_index0, node, next0, ~0, 0, 0);
old_port0 = udp0->dst_port;
udp0->dst_port = new_port0;
- if (PREDICT_TRUE (proto0 == SNAT_PROTOCOL_TCP))
+ if (PREDICT_TRUE (proto0 == NAT_PROTOCOL_TCP))
{
sum0 = tcp0->checksum;
sum0 = ip_csum_update (sum0, old_addr0, new_addr0,
}
else
{
- if (PREDICT_TRUE (proto0 == SNAT_PROTOCOL_TCP))
+ if (PREDICT_TRUE (proto0 == NAT_PROTOCOL_TCP))
{
sum0 = tcp0->checksum;
sum0 = ip_csum_update (sum0, old_addr0, new_addr0,
Code Review / vpp.git / blobdiff