#include <nat/nat_ipfix_logging.h>
#include <nat/nat_reass.h>
#include <nat/nat_inlines.h>
+#include <nat/nat44_inlines.h>
#include <nat/nat_syslog.h>
#include <nat/nat_ha.h>
#undef _
};
-typedef enum
-{
- NAT44_ED_OUT2IN_NEXT_DROP,
- NAT44_ED_OUT2IN_NEXT_LOOKUP,
- NAT44_ED_OUT2IN_NEXT_ICMP_ERROR,
- NAT44_ED_OUT2IN_NEXT_IN2OUT,
- NAT44_ED_OUT2IN_NEXT_SLOW_PATH,
- NAT44_ED_OUT2IN_NEXT_REASS,
- NAT44_ED_OUT2IN_N_NEXT,
-} nat44_ed_out2in_next_t;
-
typedef struct
{
u32 sw_if_index;
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;
- if (PREDICT_TRUE (next0 != NAT44_ED_OUT2IN_NEXT_DROP && s0))
+ if (PREDICT_TRUE (next0 != NAT_NEXT_DROP && s0))
{
/* Accounting */
nat44_session_update_counters (s0, now,
snat_session_key_t eh_key;
nat44_is_idle_session_ctx_t ctx;
+ nat44_session_try_cleanup (&l_key.addr, l_key.fib_index, thread_index, now);
+
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
{
b->error = node->errors[NAT_OUT2IN_ED_ERROR_MAX_SESSIONS_EXCEEDED];
if (get_icmp_o2i_ed_key (ip, &key))
{
b->error = node->errors[NAT_OUT2IN_ED_ERROR_UNSUPPORTED_PROTOCOL];
- next = NAT44_ED_OUT2IN_NEXT_DROP;
+ next = NAT_NEXT_DROP;
goto out;
}
key.fib_index = rx_fib_index;
goto out;
}
b->error = node->errors[NAT_OUT2IN_ED_ERROR_NO_TRANSLATION];
- next = NAT44_ED_OUT2IN_NEXT_DROP;
+ next = NAT_NEXT_DROP;
goto out;
}
else
if (next_src_nat (sm, ip, key.proto, key.l_port, key.r_port,
thread_index, rx_fib_index))
{
- next = NAT44_ED_OUT2IN_NEXT_IN2OUT;
+ next = NAT_NEXT_IN2OUT_ED_FAST_PATH;
goto out;
}
if (sm->num_workers > 1)
(icmp->type != ICMP4_echo_request || !is_addr_only)))
{
b->error = node->errors[NAT_OUT2IN_ED_ERROR_BAD_ICMP_TYPE];
- next = NAT44_ED_OUT2IN_NEXT_DROP;
+ next = NAT_NEXT_DROP;
goto out;
}
if (!s)
{
- next = NAT44_ED_OUT2IN_NEXT_DROP;
+ next = NAT_NEXT_DROP;
goto out;
}
}
!icmp_is_error_message (icmp)))
{
b->error = node->errors[NAT_OUT2IN_ED_ERROR_BAD_ICMP_TYPE];
- next = NAT44_ED_OUT2IN_NEXT_DROP;
+ next = NAT_NEXT_DROP;
goto out;
}
vlib_frame_t * frame, int is_slow_path)
{
u32 n_left_from, *from, *to_next, pkts_processed = 0, stats_node_index;
- nat44_ed_out2in_next_t next_index;
+ nat_next_t next_index;
snat_main_t *sm = &snat_main;
f64 now = vlib_time_now (vm);
u32 thread_index = vm->thread_index;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- next0 = NAT44_ED_OUT2IN_NEXT_LOOKUP;
+ next0 = nat_buffer_opaque (b0)->arc_next;
+ next1 = nat_buffer_opaque (b1)->arc_next;
+
vnet_buffer (b0)->snat.flags = 0;
ip0 = vlib_buffer_get_current (b0);
icmp4_error_set_vnet_buffer (b0, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next0 = NAT44_ED_OUT2IN_NEXT_ICMP_ERROR;
+ next0 = NAT_NEXT_ICMP_ERROR;
goto trace00;
}
if (!sm->forwarding_enabled)
{
if (!s0)
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace00;
}
}
{
if (PREDICT_FALSE (proto0 == ~0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace00;
}
if (ip4_is_fragment (ip0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_REASS;
+ next0 = NAT_NEXT_OUT2IN_ED_REASS;
fragments++;
goto trace00;
}
if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
{
- next0 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace00;
}
}
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
{
- vnet_feature_next (&next0, b0);
goto trace00;
}
{
b0->error =
node->errors[NAT_OUT2IN_ED_ERROR_NO_TRANSLATION];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
}
else
{
udp0->src_port, udp0->dst_port,
thread_index, rx_fib_index0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
+ next0 = NAT_NEXT_IN2OUT_ED_FAST_PATH;
goto trace00;
}
if (sm->num_workers > 1)
if ((proto0 == SNAT_PROTOCOL_TCP) && !tcp_is_init (tcp0))
{
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_NON_SYN];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace00;
}
if (!s0)
{
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace00;
}
}
else
{
- next0 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace00;
}
}
t->session_index = s0 - tsm->sessions;
}
- pkts_processed += next0 == NAT44_ED_OUT2IN_NEXT_LOOKUP;
+ pkts_processed += next0 == nat_buffer_opaque (b0)->arc_next;
- next1 = NAT44_ED_OUT2IN_NEXT_LOOKUP;
vnet_buffer (b1)->snat.flags = 0;
ip1 = vlib_buffer_get_current (b1);
icmp4_error_set_vnet_buffer (b1, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next1 = NAT44_ED_OUT2IN_NEXT_ICMP_ERROR;
+ next1 = NAT_NEXT_ICMP_ERROR;
goto trace01;
}
if (!sm->forwarding_enabled)
{
if (!s1)
- next1 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next1 = NAT_NEXT_DROP;
goto trace01;
}
}
{
if (PREDICT_FALSE (proto1 == ~0))
{
- next1 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next1 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace01;
}
if (ip4_is_fragment (ip1))
{
- next1 = NAT44_ED_OUT2IN_NEXT_REASS;
+ next1 = NAT_NEXT_OUT2IN_ED_REASS;
fragments++;
goto trace01;
}
if (PREDICT_FALSE (proto1 == SNAT_PROTOCOL_ICMP))
{
- next1 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next1 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace01;
}
}
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
{
- vnet_feature_next (&next1, b1);
goto trace01;
}
{
b1->error =
node->errors[NAT_OUT2IN_ED_ERROR_NO_TRANSLATION];
- next1 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next1 = NAT_NEXT_DROP;
}
else
{
udp1->src_port, udp1->dst_port,
thread_index, rx_fib_index1))
{
- next1 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
+ next1 = NAT_NEXT_IN2OUT_ED_FAST_PATH;
goto trace01;
}
if (sm->num_workers > 1)
if ((proto1 == SNAT_PROTOCOL_TCP) && !tcp_is_init (tcp1))
{
b1->error = node->errors[NAT_OUT2IN_ED_ERROR_NON_SYN];
- next1 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next1 = NAT_NEXT_DROP;
goto trace01;
}
if (!s1)
{
- next1 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next1 = NAT_NEXT_DROP;
goto trace01;
}
}
else
{
- next1 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next1 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace01;
}
}
t->session_index = s1 - tsm->sessions;
}
- pkts_processed += next1 == NAT44_ED_OUT2IN_NEXT_LOOKUP;
+ pkts_processed += next1 == nat_buffer_opaque (b1)->arc_next;
/* verify speculative enqueues, maybe switch current next frame */
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- next0 = NAT44_ED_OUT2IN_NEXT_LOOKUP;
+ next0 = nat_buffer_opaque (b0)->arc_next;
+
vnet_buffer (b0)->snat.flags = 0;
ip0 = vlib_buffer_get_current (b0);
icmp4_error_set_vnet_buffer (b0, ICMP4_time_exceeded,
ICMP4_time_exceeded_ttl_exceeded_in_transit,
0);
- next0 = NAT44_ED_OUT2IN_NEXT_ICMP_ERROR;
+ next0 = NAT_NEXT_ICMP_ERROR;
goto trace0;
}
if (!sm->forwarding_enabled)
{
if (!s0)
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace0;
}
}
{
if (PREDICT_FALSE (proto0 == ~0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace0;
}
if (ip4_is_fragment (ip0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_REASS;
+ next0 = NAT_NEXT_OUT2IN_ED_REASS;
fragments++;
goto trace0;
}
if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
{
- next0 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace0;
}
}
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
{
- vnet_feature_next (&next0, b0);
goto trace0;
}
{
b0->error =
node->errors[NAT_OUT2IN_ED_ERROR_NO_TRANSLATION];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
}
else
{
udp0->src_port, udp0->dst_port,
thread_index, rx_fib_index0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
+ next0 = NAT_NEXT_IN2OUT_ED_FAST_PATH;
goto trace0;
}
if (sm->num_workers > 1)
if ((proto0 == SNAT_PROTOCOL_TCP) && !tcp_is_init (tcp0))
{
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_NON_SYN];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace0;
}
if (!s0)
{
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace0;
}
}
else
{
- next0 = NAT44_ED_OUT2IN_NEXT_SLOW_PATH;
+ next0 = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
goto trace0;
}
}
t->session_index = s0 - tsm->sessions;
}
- pkts_processed += next0 == NAT44_ED_OUT2IN_NEXT_LOOKUP;
+ pkts_processed += next0 == nat_buffer_opaque (b0)->arc_next;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
return frame->n_vectors;
}
-VLIB_NODE_FN (nat44_ed_out2in_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return nat44_ed_out2in_node_fn_inline (vm, node, frame, 0);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (nat44_ed_out2in_node) = {
- .name = "nat44-ed-out2in",
- .vector_size = sizeof (u32),
- .format_trace = format_nat44_ed_out2in_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(nat_out2in_ed_error_strings),
- .error_strings = nat_out2in_ed_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
- .n_next_nodes = NAT44_ED_OUT2IN_N_NEXT,
- .next_nodes = {
- [NAT44_ED_OUT2IN_NEXT_DROP] = "error-drop",
- [NAT44_ED_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
- [NAT44_ED_OUT2IN_NEXT_SLOW_PATH] = "nat44-ed-out2in-slowpath",
- [NAT44_ED_OUT2IN_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [NAT44_ED_OUT2IN_NEXT_IN2OUT] = "nat44-ed-in2out",
- [NAT44_ED_OUT2IN_NEXT_REASS] = "nat44-ed-out2in-reass",
- },
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FN (nat44_ed_out2in_slowpath_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return nat44_ed_out2in_node_fn_inline (vm, node, frame, 1);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (nat44_ed_out2in_slowpath_node) = {
- .name = "nat44-ed-out2in-slowpath",
- .vector_size = sizeof (u32),
- .format_trace = format_nat44_ed_out2in_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(nat_out2in_ed_error_strings),
- .error_strings = nat_out2in_ed_error_strings,
- .runtime_data_bytes = sizeof (snat_runtime_t),
- .n_next_nodes = NAT44_ED_OUT2IN_N_NEXT,
- .next_nodes = {
- [NAT44_ED_OUT2IN_NEXT_DROP] = "error-drop",
- [NAT44_ED_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
- [NAT44_ED_OUT2IN_NEXT_SLOW_PATH] = "nat44-ed-out2in-slowpath",
- [NAT44_ED_OUT2IN_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [NAT44_ED_OUT2IN_NEXT_IN2OUT] = "nat44-ed-in2out",
- [NAT44_ED_OUT2IN_NEXT_REASS] = "nat44-ed-out2in-reass",
- },
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FN (nat44_ed_out2in_reass_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+static inline uword
+nat44_ed_out2in_reass_node_fn_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
u32 n_left_from, *from, *to_next;
- nat44_ed_out2in_next_t next_index;
+ nat_next_t next_index;
u32 pkts_processed = 0;
snat_main_t *sm = &snat_main;
f64 now = vlib_time_now (vm);
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- next0 = NAT44_ED_OUT2IN_NEXT_LOOKUP;
+ next0 = nat_buffer_opaque (b0)->arc_next;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
rx_fib_index0 =
if (PREDICT_FALSE (nat_reass_is_drop_frag (0)))
{
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_DROP_FRAGMENT];
goto trace0;
}
if (PREDICT_FALSE (!reass0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_MAX_REASS];
nat_elog_notice ("maximum reassemblies exceeded");
goto trace0;
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, now, thread_index, &s0);
- if (PREDICT_TRUE (next0 != NAT44_ED_OUT2IN_NEXT_DROP))
+ if (PREDICT_TRUE (next0 != NAT_NEXT_DROP))
{
if (s0)
reass0->sess_index = s0 - per_thread_data->sessions;
clib_host_to_net_u16
(UDP_DST_PORT_dhcp_to_client))))
{
- vnet_feature_next (&next0, b0);
goto trace0;
}
{
b0->error =
node->errors[NAT_OUT2IN_ED_ERROR_NO_TRANSLATION];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
}
else
{
udp0->src_port, udp0->dst_port,
thread_index, rx_fib_index0))
{
- next0 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
+ next0 = NAT_NEXT_IN2OUT_ED_FAST_PATH;
goto trace0;
}
if (sm->num_workers > 1)
if ((proto0 == SNAT_PROTOCOL_TCP) && !tcp_is_init (tcp0))
{
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_NON_SYN];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace0;
}
{
b0->error =
node->errors[NAT_OUT2IN_ED_ERROR_NO_TRANSLATION];
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace0;
}
reass0->sess_index = s0 - per_thread_data->sessions;
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_MAX_FRAG];
nat_elog_notice
("maximum fragments per reassembly exceeded");
- next0 = NAT44_ED_OUT2IN_NEXT_DROP;
+ next0 = NAT_NEXT_DROP;
goto trace0;
}
cached0 = 1;
}
else
{
- pkts_processed += next0 != NAT44_ED_OUT2IN_NEXT_DROP;
+ pkts_processed += next0 != NAT_NEXT_DROP;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
nat_send_all_to_node (vm, fragments_to_drop, node,
&node->errors[NAT_OUT2IN_ED_ERROR_DROP_FRAGMENT],
- NAT44_ED_OUT2IN_NEXT_DROP);
+ NAT_NEXT_DROP);
vec_free (fragments_to_drop);
vec_free (fragments_to_loopback);
return frame->n_vectors;
}
+VLIB_NODE_FN (nat44_ed_out2in_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return nat44_ed_out2in_node_fn_inline (vm, node, frame, 0);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (nat44_ed_out2in_node) = {
+ .name = "nat44-ed-out2in",
+ .vector_size = sizeof (u32),
+ .sibling_of = "nat-default",
+ .format_trace = format_nat44_ed_out2in_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN(nat_out2in_ed_error_strings),
+ .error_strings = nat_out2in_ed_error_strings,
+ .runtime_data_bytes = sizeof (snat_runtime_t),
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (nat44_ed_out2in_slowpath_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return nat44_ed_out2in_node_fn_inline (vm, node, frame, 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (nat44_ed_out2in_slowpath_node) = {
+ .name = "nat44-ed-out2in-slowpath",
+ .vector_size = sizeof (u32),
+ .sibling_of = "nat-default",
+ .format_trace = format_nat44_ed_out2in_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN(nat_out2in_ed_error_strings),
+ .error_strings = nat_out2in_ed_error_strings,
+ .runtime_data_bytes = sizeof (snat_runtime_t),
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (nat44_ed_out2in_reass_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return nat44_ed_out2in_reass_node_fn_inline (vm, node, frame);
+}
+
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_out2in_reass_node) = {
.name = "nat44-ed-out2in-reass",
.vector_size = sizeof (u32),
+ .sibling_of = "nat-default",
.format_trace = format_nat44_reass_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.n_errors = ARRAY_LEN(nat_out2in_ed_error_strings),
.error_strings = nat_out2in_ed_error_strings,
- .n_next_nodes = NAT44_ED_OUT2IN_N_NEXT,
- .next_nodes = {
- [NAT44_ED_OUT2IN_NEXT_DROP] = "error-drop",
- [NAT44_ED_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
- [NAT44_ED_OUT2IN_NEXT_SLOW_PATH] = "nat44-ed-out2in-slowpath",
- [NAT44_ED_OUT2IN_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- [NAT44_ED_OUT2IN_NEXT_IN2OUT] = "nat44-ed-in2out",
- [NAT44_ED_OUT2IN_NEXT_REASS] = "nat44-ed-out2in-reass",
- },
};
/* *INDENT-ON* */
+static u8 *
+format_nat_pre_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ nat_pre_trace_t *t = va_arg (*args, nat_pre_trace_t *);
+ return format (s, "out2in next_index %d", t->next_index);
+}
+
+VLIB_NODE_FN (nat_pre_out2in_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return nat_pre_node_fn_inline (vm, node, frame,
+ NAT_NEXT_OUT2IN_ED_FAST_PATH);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (nat_pre_out2in_node) = {
+ .name = "nat-pre-out2in",
+ .vector_size = sizeof (u32),
+ .sibling_of = "nat-default",
+ .format_trace = format_nat_pre_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = 0,
+ };
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*