#include <nat/nat_reass.h>
#include <nat/nat_inlines.h>
#include <nat/nat_syslog.h>
+#include <nat/nat_ha.h>
-#define foreach_nat_in2out_ed_error \
-_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \
-_(IN2OUT_PACKETS, "Good in2out packets processed") \
-_(OUT_OF_PORTS, "Out of ports") \
+#define foreach_nat_in2out_ed_error \
+_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \
+_(IN2OUT_PACKETS, "good in2out packets processed") \
+_(OUT_OF_PORTS, "out of ports") \
_(BAD_ICMP_TYPE, "unsupported ICMP type") \
-_(MAX_SESSIONS_EXCEEDED, "Maximum sessions exceeded") \
-_(DROP_FRAGMENT, "Drop fragment") \
-_(MAX_REASS, "Maximum reassemblies exceeded") \
-_(MAX_FRAG, "Maximum fragments per reassembly exceeded")\
-_(NON_SYN, "non-SYN packet try to create session")
+_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \
+_(DROP_FRAGMENT, "drop fragment") \
+_(MAX_REASS, "maximum reassemblies exceeded") \
+_(MAX_FRAG, "maximum fragments per reassembly exceeded")\
+_(NON_SYN, "non-SYN packet try to create session") \
+_(TCP_PACKETS, "TCP packets") \
+_(UDP_PACKETS, "UDP packets") \
+_(ICMP_PACKETS, "ICMP packets") \
+_(OTHER_PACKETS, "other protocol packets") \
+_(FRAGMENTS, "fragments") \
+_(CACHED_FRAGMENTS, "cached fragments") \
+_(PROCESSED_FRAGMENTS, "processed fragments")
+
typedef enum
{
u32 is_slow_path;
} nat_in2out_ed_trace_t;
-vlib_node_registration_t nat44_ed_in2out_node;
-vlib_node_registration_t nat44_ed_in2out_slowpath_node;
-vlib_node_registration_t nat44_ed_in2out_output_node;
-vlib_node_registration_t nat44_ed_in2out_output_slowpath_node;
-vlib_node_registration_t nat44_ed_in2out_reass_node;
-
static u8 *
format_nat_in2out_ed_trace (u8 * s, va_list * args)
{
return 0;
}
+#ifndef CLIB_MARCH_VARIANT
int
nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg)
{
if (snat_is_unk_proto_session (s))
goto delete;
- snat_ipfix_logging_nat44_ses_delete (s->in2out.addr.as_u32,
+ snat_ipfix_logging_nat44_ses_delete (ctx->thread_index,
+ s->in2out.addr.as_u32,
s->out2in.addr.as_u32,
s->in2out.protocol,
s->in2out.port,
&s->ext_host_addr, s->ext_host_port,
s->in2out.protocol, is_twice_nat_session (s));
+ nat_ha_sdel (&s->out2in.addr, s->out2in.port, &s->ext_host_addr,
+ s->ext_host_port, s->out2in.protocol, s->out2in.fib_index,
+ ctx->thread_index);
+
if (is_twice_nat_session (s))
{
for (i = 0; i < vec_len (sm->twice_nat_addresses); i++)
return 0;
}
+#endif
static inline u32
icmp_in2out_ed_slow_path (snat_main_t * sm, vlib_buffer_t * b0,
/* Accounting */
nat44_session_update_counters (s0, now,
vlib_buffer_length_in_chain
- (sm->vlib_main, b0));
+ (sm->vlib_main, b0), thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s0, thread_index);
}
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
{
b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_SESSIONS_EXCEEDED];
- nat_ipfix_logging_max_sessions (sm->max_translations);
+ nat_ipfix_logging_max_sessions (thread_index, sm->max_translations);
nat_log_notice ("maximum sessions exceeded");
return NAT_IN2OUT_ED_NEXT_DROP;
}
*sessionp = s;
/* log NAT event */
- snat_ipfix_logging_nat44_ses_create (s->in2out.addr.as_u32,
+ snat_ipfix_logging_nat44_ses_create (thread_index,
+ s->in2out.addr.as_u32,
s->out2in.addr.as_u32,
s->in2out.protocol,
s->in2out.port,
&s->ext_host_addr, s->ext_host_port,
s->in2out.protocol, 0);
+ nat_ha_sadd (&s->in2out.addr, s->in2out.port, &s->out2in.addr,
+ s->out2in.port, &s->ext_host_addr, s->ext_host_port,
+ &s->ext_host_nat_addr, s->ext_host_nat_port,
+ s->in2out.protocol, s->in2out.fib_index, s->flags,
+ thread_index, 0);
+
return next;
}
}
/* Accounting */
nat44_session_update_counters (s, now,
- vlib_buffer_length_in_chain (vm, b));
+ vlib_buffer_length_in_chain (vm, b),
+ thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s, thread_index);
return 1;
{
nat_log_debug ("TCP close connection %U", format_snat_session,
&sm->per_thread_data[thread_index], s);
- nat_free_session_data (sm, s, thread_index);
+ nat_free_session_data (sm, s, thread_index, 0);
nat44_delete_session (sm, s, thread_index);
}
else
return 0;
}
+#ifndef CLIB_MARCH_VARIANT
u32
icmp_match_in2out_ed (snat_main_t * sm, vlib_node_runtime_t * node,
u32 thread_index, vlib_buffer_t * b, ip4_header_t * ip,
*(snat_session_t **) d = s;
return next;
}
+#endif
static snat_session_t *
nat44_ed_in2out_unknown_proto (snat_main_t * sm,
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
{
b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_SESSIONS_EXCEEDED];
- nat_ipfix_logging_max_sessions (sm->max_translations);
+ nat_ipfix_logging_max_sessions (thread_index, sm->max_translations);
nat_log_notice ("maximum sessions exceeded");
return 0;
}
ip->checksum = ip_csum_fold (sum);
/* Accounting */
- nat44_session_update_counters (s, now, vlib_buffer_length_in_chain (vm, b));
+ nat44_session_update_counters (s, now, vlib_buffer_length_in_chain (vm, b),
+ thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s, thread_index);
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;
- stats_node_index = is_slow_path ? nat44_ed_in2out_slowpath_node.index :
- nat44_ed_in2out_node.index;
+ stats_node_index = is_slow_path ? sm->ed_in2out_slowpath_node_index :
+ sm->ed_in2out_node_index;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
node);
if (!s0)
next0 = NAT_IN2OUT_ED_NEXT_DROP;
+ other_packets++;
goto trace00;
}
next0 = icmp_in2out_ed_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, now, thread_index, &s0);
+ icmp_packets++;
goto trace00;
}
}
if (ip4_is_fragment (ip0))
{
next0 = NAT_IN2OUT_ED_NEXT_REASS;
+ fragments++;
goto trace00;
}
}
mss_clamping (sm, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
+ tcp_packets++;
if (nat44_set_tcp_session_state_i2o
(sm, s0, tcp0, thread_index))
goto trace00;
udp0->dst_port = s0->ext_host_port;
ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
}
+ udp_packets++;
}
/* Accounting */
nat44_session_update_counters (s0, now,
vlib_buffer_length_in_chain (vm,
- b0));
+ b0),
+ thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s0, thread_index);
t->session_index = s0 - tsm->sessions;
}
- pkts_processed += next0 != NAT_IN2OUT_ED_NEXT_DROP;
+ pkts_processed += next0 == NAT_IN2OUT_ED_NEXT_LOOKUP;
next1 = NAT_IN2OUT_ED_NEXT_LOOKUP;
node);
if (!s1)
next1 = NAT_IN2OUT_ED_NEXT_DROP;
+ other_packets++;
goto trace01;
}
next1 = icmp_in2out_ed_slow_path
(sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node,
next1, now, thread_index, &s1);
+ icmp_packets++;
goto trace01;
}
}
if (ip4_is_fragment (ip1))
{
next1 = NAT_IN2OUT_ED_NEXT_REASS;
+ fragments++;
goto trace01;
}
}
tcp1->checksum = ip_csum_fold (sum1);
mss_clamping (sm, tcp1, &sum1);
+ tcp_packets++;
if (nat44_set_tcp_session_state_i2o
(sm, s1, tcp1, thread_index))
goto trace01;
udp1->dst_port = s1->ext_host_port;
ip1->dst_address.as_u32 = s1->ext_host_addr.as_u32;
}
+ udp_packets++;
}
/* Accounting */
nat44_session_update_counters (s1, now,
- vlib_buffer_length_in_chain (vm,
- b1));
+ vlib_buffer_length_in_chain (vm, b1),
+ thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s1, thread_index);
t->session_index = s1 - tsm->sessions;
}
- pkts_processed += next1 != NAT_IN2OUT_ED_NEXT_DROP;
+ pkts_processed += next1 == NAT_IN2OUT_ED_NEXT_LOOKUP;
/* verify speculative enqueues, maybe switch current next frame */
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
node);
if (!s0)
next0 = NAT_IN2OUT_ED_NEXT_DROP;
+ other_packets++;
goto trace0;
}
next0 = icmp_in2out_ed_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, now, thread_index, &s0);
+ icmp_packets++;
goto trace0;
}
}
if (ip4_is_fragment (ip0))
{
next0 = NAT_IN2OUT_ED_NEXT_REASS;
+ fragments++;
goto trace0;
}
}
mss_clamping (sm, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
+ tcp_packets++;
if (nat44_set_tcp_session_state_i2o
(sm, s0, tcp0, thread_index))
goto trace0;
udp0->dst_port = s0->ext_host_port;
ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
}
+ udp_packets++;
}
/* Accounting */
nat44_session_update_counters (s0, now,
- vlib_buffer_length_in_chain (vm,
- b0));
+ vlib_buffer_length_in_chain (vm, b0),
+ thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s0, thread_index);
t->session_index = s0 - tsm->sessions;
}
- pkts_processed += next0 != NAT_IN2OUT_ED_NEXT_DROP;
+ pkts_processed += next0 == NAT_IN2OUT_ED_NEXT_LOOKUP;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
vlib_node_increment_counter (vm, stats_node_index,
NAT_IN2OUT_ED_ERROR_IN2OUT_PACKETS,
pkts_processed);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_TCP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_UDP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_ICMP_PACKETS,
+ icmp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_OTHER_PACKETS,
+ other_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_FRAGMENTS, fragments);
+
return frame->n_vectors;
}
-static uword
-nat44_ed_in2out_fast_path_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_in2out_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return nat44_ed_in2out_node_fn_inline (vm, node, frame, 0, 0);
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_in2out_node) = {
- .function = nat44_ed_in2out_fast_path_fn,
.name = "nat44-ed-in2out",
.vector_size = sizeof (u32),
.format_trace = format_nat_in2out_ed_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_in2out_node,
- nat44_ed_in2out_fast_path_fn);
-
-static uword
-nat44_ed_in2out_output_fast_path_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_in2out_output_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return nat44_ed_in2out_node_fn_inline (vm, node, frame, 0, 1);
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_in2out_output_node) = {
- .function = nat44_ed_in2out_output_fast_path_fn,
.name = "nat44-ed-in2out-output",
.vector_size = sizeof (u32),
.format_trace = format_nat_in2out_ed_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_in2out_output_node,
- nat44_ed_in2out_output_fast_path_fn);
-
-static uword
-nat44_ed_in2out_slow_path_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_in2out_slowpath_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return nat44_ed_in2out_node_fn_inline (vm, node, frame, 1, 0);
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_in2out_slowpath_node) = {
- .function = nat44_ed_in2out_slow_path_fn,
.name = "nat44-ed-in2out-slowpath",
.vector_size = sizeof (u32),
.format_trace = format_nat_in2out_ed_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_in2out_slowpath_node,
- nat44_ed_in2out_slow_path_fn);
-
-static uword
-nat44_ed_in2out_output_slow_path_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_in2out_output_slowpath_node) (vlib_main_t * vm,
+ vlib_node_runtime_t *
+ node,
+ vlib_frame_t * frame)
{
return nat44_ed_in2out_node_fn_inline (vm, node, frame, 1, 1);
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_in2out_output_slowpath_node) = {
- .function = nat44_ed_in2out_output_slow_path_fn,
.name = "nat44-ed-in2out-output-slowpath",
.vector_size = sizeof (u32),
.format_trace = format_nat_in2out_ed_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_in2out_output_slowpath_node,
- nat44_ed_in2out_output_slow_path_fn);
-
static inline uword
nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
{
u32 n_left_from, *from, *to_next;
nat_in2out_ed_next_t next_index;
- u32 pkts_processed = 0;
+ u32 pkts_processed = 0, cached_fragments = 0;
snat_main_t *sm = &snat_main;
f64 now = vlib_time_now (vm);
u32 thread_index = vm->thread_index;
if (PREDICT_FALSE (reass0->sess_index == (u32) ~ 0))
{
if (nat_ip4_reass_add_fragment
- (reass0, bi0, &fragments_to_drop))
+ (thread_index, reass0, bi0, &fragments_to_drop))
{
b0->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_FRAG];
nat_log_notice
/* Accounting */
nat44_session_update_counters (s0, now,
- vlib_buffer_length_in_chain (vm,
- b0));
+ vlib_buffer_length_in_chain (vm, b0),
+ thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s0, thread_index);
{
n_left_to_next++;
to_next--;
+ cached_fragments++;
}
else
{
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, nat44_ed_in2out_reass_node.index,
- NAT_IN2OUT_ED_ERROR_IN2OUT_PACKETS,
+ vlib_node_increment_counter (vm, sm->ed_in2out_reass_node_index,
+ NAT_IN2OUT_ED_ERROR_PROCESSED_FRAGMENTS,
pkts_processed);
+ vlib_node_increment_counter (vm, sm->ed_in2out_reass_node_index,
+ NAT_IN2OUT_ED_ERROR_CACHED_FRAGMENTS,
+ cached_fragments);
nat_send_all_to_node (vm, fragments_to_drop, node,
&node->errors[NAT_IN2OUT_ED_ERROR_DROP_FRAGMENT],
return frame->n_vectors;
}
-static uword
-nat44_ed_in2out_reass_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_in2out_reass_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return nat44_ed_in2out_reass_node_fn_inline (vm, node, frame, 0);
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_in2out_reass_node) = {
- .function = nat44_ed_in2out_reass_node_fn,
.name = "nat44-ed-in2out-reass",
.vector_size = sizeof (u32),
.format_trace = format_nat44_reass_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_in2out_reass_node,
- nat44_ed_in2out_reass_node_fn);
-
-static uword
-nat44_ed_in2out_reass_output_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_in2out_reass_output_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return nat44_ed_in2out_reass_node_fn_inline (vm, node, frame, 1);
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_in2out_reass_output_node) = {
- .function = nat44_ed_in2out_reass_output_node_fn,
.name = "nat44-ed-in2out-reass-output",
.vector_size = sizeof (u32),
.format_trace = format_nat44_reass_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_in2out_reass_output_node,
- nat44_ed_in2out_reass_output_node_fn);
-
/*
* fd.io coding-style-patch-verification: ON
*