#include <vnet/ip/ip.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/fib/ip4_fib.h>
-#include <snat/snat.h>
-#include <snat/snat_ipfix_logging.h>
-#include <snat/snat_det.h>
+#include <nat/nat.h>
+#include <nat/nat_ipfix_logging.h>
+#include <nat/nat_det.h>
#include <vppinfra/hash.h>
#include <vppinfra/error.h>
snat_in2out_trace_t * t = va_arg (*args, snat_in2out_trace_t *);
char * tag;
- tag = t->is_slow_path ? "SNAT_IN2OUT_SLOW_PATH" : "SNAT_IN2OUT_FAST_PATH";
-
+ tag = t->is_slow_path ? "NAT44_IN2OUT_SLOW_PATH" : "NAT44_IN2OUT_FAST_PATH";
+
s = format (s, "%s: sw_if_index %d, next index %d, session %d", tag,
t->sw_if_index, t->next_index, t->session_index);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
snat_in2out_trace_t * t = va_arg (*args, snat_in2out_trace_t *);
- s = format (s, "SANT_IN2OUT_FAST: sw_if_index %d, next index %d",
+ s = format (s, "NAT44_IN2OUT_FAST: sw_if_index %d, next index %d",
t->sw_if_index, t->next_index);
return s;
char * m;
m = t->do_handoff ? "next worker" : "same worker";
- s = format (s, "SNAT_IN2OUT_WORKER_HANDOFF: %s %d", m, t->next_worker_index);
+ s = format (s, "NAT44_IN2OUT_WORKER_HANDOFF: %s %d", m, t->next_worker_index);
return s;
}
_(BAD_OUTSIDE_FIB, "Outside VRF ID not found") \
_(BAD_ICMP_TYPE, "unsupported ICMP type") \
_(NO_TRANSLATION, "No translation")
-
+
typedef enum {
#define _(sym,str) SNAT_IN2OUT_ERROR_##sym,
foreach_snat_in2out_error
* Packets aimed at outside interface and external addresss with active session
* should be translated.
*
- * @param sm SNAT main
- * @param rt SNAT runtime data
+ * @param sm NAT main
+ * @param rt NAT runtime data
* @param sw_if_index0 index of the inside interface
* @param ip0 IPv4 header
- * @param proto0 SNAT protocol
+ * @param proto0 NAT protocol
* @param rx_fib_index0 RX FIB index
*
* @returns 0 if packet should be translated otherwise 1
user_key.addr = ip0->src_address;
user_key.fib_index = rx_fib_index0;
kv0.key = user_key.as_u64;
-
+
/* Ever heard of the "user" = src ip4 address before? */
if (clib_bihash_search_8_8 (&sm->user_hash, &kv0, &value0))
{
/* Create a new session */
pool_get (sm->per_thread_data[thread_index].sessions, s);
memset (s, 0, sizeof (*s));
-
+
s->outside_address_index = address_index;
if (static_mapping)
per_user_translation_list_elt -
sm->per_thread_data[thread_index].list_pool);
}
-
+
s->in2out = *key0;
s->out2in = key1;
s->out2in.protocol = key0->protocol;
kv0.value = s - sm->per_thread_data[thread_index].sessions;
if (clib_bihash_add_del_8_8 (&sm->in2out, &kv0, 1 /* is_add */))
clib_warning ("in2out key add failed");
-
+
kv0.key = s->out2in.as_u64;
kv0.value = s - sm->per_thread_data[thread_index].sessions;
-
+
if (clib_bihash_add_del_8_8 (&sm->out2in, &kv0, 1 /* is_add */))
clib_warning ("out2in key add failed");
}
/**
- * Get address and port values to be used for packet SNAT translation
+ * Get address and port values to be used for ICMP packet translation
* and create session if needed
*
- * @param[in,out] sm SNAT main
- * @param[in,out] node SNAT node runtime
+ * @param[in,out] sm NAT main
+ * @param[in,out] node NAT node runtime
* @param[in] thread_index thread index
* @param[in,out] b0 buffer containing packet to be translated
* @param[out] p_proto protocol used for matching
}
/**
- * Get address and port values to be used for packet SNAT translation
+ * Get address and port values to be used for ICMP packet translation
*
- * @param[in] sm SNAT main
- * @param[in,out] node SNAT node runtime
+ * @param[in] sm NAT main
+ * @param[in,out] node NAT node runtime
* @param[in] thread_index thread index
* @param[in,out] b0 buffer containing packet to be translated
* @param[out] p_proto protocol used for matching
sum0 = ip_csum_update (sum0, old_addr0, new_addr0, ip4_header_t,
src_address /* changed member */);
ip0->checksum = ip_csum_fold (sum0);
-
+
if (!icmp_is_error_message (icmp0))
{
new_id0 = sm0.port;
* communicate even if they only use each other's external IP addresses
* and ports.
*
- * @param sm SNAT main.
+ * @param sm NAT main.
* @param b0 Vlib buffer.
* @param ip0 IP header.
* @param udp0 UDP header.
* @param tcp0 TCP header.
- * @param proto0 SNAT protocol.
+ * @param proto0 NAT protocol.
*/
static inline void
snat_hairpinning (snat_main_t *sm,
snat_session_t * s0 = 0, * s1 = 0;
clib_bihash_kv_8_8_t kv0, value0, kv1, value1;
u32 iph_offset0 = 0, iph_offset1 = 0;
-
+
/* Prefetch next iteration. */
{
vlib_buffer_t * p2, * p3;
-
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
to_next += 2;
n_left_from -= 2;
n_left_to_next -= 2;
-
+
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
icmp0 = (icmp46_header_t *) udp0;
sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
+ rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
sw_if_index0);
next0 = next1 = SNAT_IN2OUT_NEXT_LOOKUP;
if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
{
- next0 = icmp_in2out_slow_path
- (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0,
+ next0 = icmp_in2out_slow_path
+ (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0,
node, next0, now, thread_index, &s0);
goto trace00;
}
key0.port = udp0->src_port;
key0.protocol = proto0;
key0.fib_index = rx_fib_index0;
-
+
kv0.key = key0.as_u64;
if (PREDICT_FALSE (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0) != 0))
}
trace00:
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t =
+ snat_in2out_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
t->is_slow_path = is_slow_path;
t->sw_if_index = sw_if_index0;
icmp1 = (icmp46_header_t *) udp1;
sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
- rx_fib_index1 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
+ rx_fib_index1 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
sw_if_index1);
if (PREDICT_FALSE(ip1->ttl == 1))
if (PREDICT_FALSE (proto1 == SNAT_PROTOCOL_ICMP))
{
- next1 = icmp_in2out_slow_path
+ next1 = icmp_in2out_slow_path
(sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node,
next1, now, thread_index, &s1);
goto trace01;
key1.port = udp1->src_port;
key1.protocol = proto1;
key1.fib_index = rx_fib_index1;
-
+
kv1.key = key1.as_u64;
if (PREDICT_FALSE(clib_bihash_search_8_8 (&sm->in2out, &kv1, &value1) != 0))
}
trace01:
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b1->flags & VLIB_BUFFER_IS_TRACED)))
+ if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b1->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t =
+ snat_in2out_trace_t *t =
vlib_add_trace (vm, node, b1, sizeof (*t));
t->sw_if_index = sw_if_index1;
t->next_index = next1;
icmp0 = (icmp46_header_t *) udp0;
sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
+ rx_fib_index0 = vec_elt (sm->ip4_main->fib_index_by_sw_if_index,
sw_if_index0);
if (PREDICT_FALSE(ip0->ttl == 1))
if (PREDICT_FALSE (proto0 == SNAT_PROTOCOL_ICMP))
{
- next0 = icmp_in2out_slow_path
+ next0 = icmp_in2out_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, now, thread_index, &s0);
goto trace0;
key0.port = udp0->src_port;
key0.protocol = proto0;
key0.fib_index = rx_fib_index0;
-
+
kv0.key = key0.as_u64;
if (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0))
}
trace0:
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
{
- snat_in2out_trace_t *t =
+ snat_in2out_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
t->is_slow_path = is_slow_path;
t->sw_if_index = sw_if_index0;
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, stats_node_index,
- SNAT_IN2OUT_ERROR_IN2OUT_PACKETS,
+ vlib_node_increment_counter (vm, stats_node_index,
+ SNAT_IN2OUT_ERROR_IN2OUT_PACKETS,
pkts_processed);
return frame->n_vectors;
}
VLIB_REGISTER_NODE (snat_in2out_node) = {
.function = snat_in2out_fast_path_fn,
- .name = "snat-in2out",
+ .name = "nat44-in2out",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.next_nodes = {
[SNAT_IN2OUT_NEXT_DROP] = "error-drop",
[SNAT_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "snat-in2out-slowpath",
+ [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-slowpath",
[SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
};
VLIB_REGISTER_NODE (snat_in2out_output_node) = {
.function = snat_in2out_output_fast_path_fn,
- .name = "snat-in2out-output",
+ .name = "nat44-in2out-output",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.next_nodes = {
[SNAT_IN2OUT_NEXT_DROP] = "error-drop",
[SNAT_IN2OUT_NEXT_LOOKUP] = "interface-output",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "snat-in2out-output-slowpath",
+ [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-output-slowpath",
[SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
};
VLIB_REGISTER_NODE (snat_in2out_slowpath_node) = {
.function = snat_in2out_slow_path_fn,
- .name = "snat-in2out-slowpath",
+ .name = "nat44-in2out-slowpath",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.next_nodes = {
[SNAT_IN2OUT_NEXT_DROP] = "error-drop",
[SNAT_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "snat-in2out-slowpath",
+ [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-slowpath",
[SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
};
VLIB_REGISTER_NODE (snat_in2out_output_slowpath_node) = {
.function = snat_in2out_output_slow_path_fn,
- .name = "snat-in2out-output-slowpath",
+ .name = "nat44-in2out-output-slowpath",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.next_nodes = {
[SNAT_IN2OUT_NEXT_DROP] = "error-drop",
[SNAT_IN2OUT_NEXT_LOOKUP] = "interface-output",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "snat-in2out-output-slowpath",
+ [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-output-slowpath",
[SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
};
VLIB_REGISTER_NODE (snat_det_in2out_node) = {
.function = snat_det_in2out_node_fn,
- .name = "snat-det-in2out",
+ .name = "nat44-det-in2out",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
VLIB_NODE_FUNCTION_MULTIARCH (snat_det_in2out_node, snat_det_in2out_node_fn);
/**
- * Get address and port values to be used for packet SNAT translation
+ * Get address and port values to be used for ICMP packet translation
* and create session if needed
*
- * @param[in,out] sm SNAT main
- * @param[in,out] node SNAT node runtime
+ * @param[in,out] sm NAT main
+ * @param[in,out] node NAT node runtime
* @param[in] thread_index thread index
* @param[in,out] b0 buffer containing packet to be translated
* @param[out] p_proto protocol used for matching
VLIB_REGISTER_NODE (snat_in2out_worker_handoff_node) = {
.function = snat_in2out_worker_handoff_fn,
- .name = "snat-in2out-worker-handoff",
+ .name = "nat44-in2out-worker-handoff",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_worker_handoff_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
VLIB_REGISTER_NODE (snat_in2out_output_worker_handoff_node) = {
.function = snat_in2out_output_worker_handoff_fn,
- .name = "snat-in2out-output-worker-handoff",
+ .name = "nat44-in2out-output-worker-handoff",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_worker_handoff_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
VLIB_REGISTER_NODE (snat_hairpin_dst_node) = {
.function = snat_hairpin_dst_fn,
- .name = "snat-hairpin-dst",
+ .name = "nat44-hairpin-dst",
.vector_size = sizeof (u32),
.type = VLIB_NODE_TYPE_INTERNAL,
.n_errors = ARRAY_LEN(snat_in2out_error_strings),
VLIB_REGISTER_NODE (snat_hairpin_src_node) = {
.function = snat_hairpin_src_fn,
- .name = "snat-hairpin-src",
+ .name = "nat44-hairpin-src",
.vector_size = sizeof (u32),
.type = VLIB_NODE_TYPE_INTERNAL,
.n_errors = ARRAY_LEN(snat_in2out_error_strings),
.n_next_nodes = SNAT_HAIRPIN_SRC_N_NEXT,
.next_nodes = {
[SNAT_HAIRPIN_SRC_NEXT_DROP] = "error-drop",
- [SNAT_HAIRPIN_SRC_NEXT_SNAT_IN2OUT] = "snat-in2out-output",
+ [SNAT_HAIRPIN_SRC_NEXT_SNAT_IN2OUT] = "nat44-in2out-output",
[SNAT_HAIRPIN_SRC_NEXT_INTERFACE_OUTPUT] = "interface-output",
- [SNAT_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH] = "snat-in2out-output-worker-handoff",
+ [SNAT_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH] = "nat44-in2out-output-worker-handoff",
},
};
VLIB_REGISTER_NODE (snat_in2out_fast_node) = {
.function = snat_in2out_fast_static_map_fn,
- .name = "snat-in2out-fast",
+ .name = "nat44-in2out-fast",
.vector_size = sizeof (u32),
.format_trace = format_snat_in2out_fast_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(snat_in2out_error_strings),
.error_strings = snat_in2out_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
-
+
.n_next_nodes = SNAT_IN2OUT_N_NEXT,
/* edit / add dispositions here */
.next_nodes = {
[SNAT_IN2OUT_NEXT_DROP] = "error-drop",
[SNAT_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
- [SNAT_IN2OUT_NEXT_SLOW_PATH] = "snat-in2out-slowpath",
+ [SNAT_IN2OUT_NEXT_SLOW_PATH] = "nat44-in2out-slowpath",
[SNAT_IN2OUT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
};
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