#include <nat/nat_reass.h>
#include <nat/nat_inlines.h>
#include <nat/nat_syslog.h>
+#include <nat/nat_ha.h>
#define foreach_nat_out2in_ed_error \
-_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \
-_(OUT2IN_PACKETS, "Good out2in packets processed") \
-_(OUT_OF_PORTS, "Out of ports") \
+_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \
+_(OUT2IN_PACKETS, "good out2in packets processed") \
+_(OUT_OF_PORTS, "out of ports") \
_(BAD_ICMP_TYPE, "unsupported ICMP type") \
-_(NO_TRANSLATION, "No translation") \
-_(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")
+_(NO_TRANSLATION, "no translation") \
+_(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;
} nat44_ed_out2in_trace_t;
-vlib_node_registration_t nat44_ed_out2in_node;
-vlib_node_registration_t nat44_ed_out2in_slowpath_node;
-vlib_node_registration_t nat44_ed_out2in_reass_node;
-
static u8 *
format_nat44_ed_out2in_trace (u8 * s, va_list * args)
{
/* 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);
}
return next0;
}
+#ifndef CLIB_MARCH_VARIANT
int
nat44_o2i_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg)
{
ed_kv.key[0] = ed_key.as_u64[0];
ed_kv.key[1] = ed_key.as_u64[1];
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0))
- nat_log_warn ("in2out_ed key del failed");
+ nat_elog_warn ("in2out_ed key del failed");
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 snat_session_t *
create_session_for_static_mapping_ed (snat_main_t * sm,
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
{
b->error = node->errors[NAT_OUT2IN_ED_ERROR_MAX_SESSIONS_EXCEEDED];
- nat_log_notice ("maximum sessions exceeded");
+ nat_elog_notice ("maximum sessions exceeded");
return 0;
}
u = nat_user_get_or_create (sm, &l_key.addr, l_key.fib_index, thread_index);
if (!u)
{
- nat_log_warn ("create NAT user failed");
+ nat_elog_warn ("create NAT user failed");
return 0;
}
if (!s)
{
nat44_delete_user_with_no_session (sm, u, thread_index);
- nat_log_warn ("create NAT session failed");
+ nat_elog_warn ("create NAT session failed");
return 0;
}
if (clib_bihash_add_or_overwrite_stale_16_8 (&tsm->out2in_ed, &kv,
nat44_o2i_ed_is_idle_session_cb,
&ctx))
- nat_log_notice ("out2in-ed key add failed");
+ nat_elog_notice ("out2in-ed key add failed");
if (twice_nat == TWICE_NAT || (twice_nat == TWICE_NAT_SELF &&
ip->src_address.as_u32 == l_key.addr.as_u32))
b->error = node->errors[NAT_OUT2IN_ED_ERROR_OUT_OF_PORTS];
nat44_delete_session (sm, s, thread_index);
if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &kv, 0))
- nat_log_notice ("out2in-ed key del failed");
+ nat_elog_notice ("out2in-ed key del failed");
return 0;
}
s->ext_host_nat_addr.as_u32 = eh_key.addr.as_u32;
if (clib_bihash_add_or_overwrite_stale_16_8 (&tsm->in2out_ed, &kv,
nat44_i2o_ed_is_idle_session_cb,
&ctx))
- nat_log_notice ("in2out-ed key add failed");
+ nat_elog_notice ("in2out-ed key add failed");
- 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->out2in.port, s->in2out.fib_index);
- nat_syslog_nat44_sdel (s->user_index, s->in2out.fib_index,
+ nat_syslog_nat44_sadd (s->user_index, s->in2out.fib_index,
&s->in2out.addr, s->in2out.port,
&s->ext_host_nat_addr, s->ext_host_nat_port,
&s->out2in.addr, s->out2in.port,
&s->ext_host_addr, s->ext_host_port,
s->in2out.protocol, is_twice_nat_session (s));
+ 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 s;
}
}
else
{
+ u32 proto;
+
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
return;
thread_index);
if (!u)
{
- nat_log_warn ("create NAT user failed");
+ nat_elog_warn ("create NAT user failed");
return;
}
if (!s)
{
nat44_delete_user_with_no_session (sm, u, thread_index);
- nat_log_warn ("create NAT session failed");
+ nat_elog_warn ("create NAT session failed");
return;
}
+ proto = ip_proto_to_snat_proto (key.proto);
+
s->ext_host_addr = key.r_addr;
s->ext_host_port = key.r_port;
s->flags |= SNAT_SESSION_FLAG_FWD_BYPASS;
s->out2in.addr = key.l_addr;
s->out2in.port = key.l_port;
- s->out2in.protocol = ip_proto_to_snat_proto (key.proto);
+ s->out2in.protocol = proto;
+ if (proto == ~0)
+ {
+ s->flags |= SNAT_SESSION_FLAG_UNKNOWN_PROTO;
+ s->out2in.port = ip->protocol;
+ }
s->out2in.fib_index = 0;
s->in2out = s->out2in;
user_session_increment (sm, u, 0);
kv.value = s - tsm->sessions;
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &kv, 1))
- nat_log_notice ("in2out_ed key add failed");
+ nat_elog_notice ("in2out_ed key add failed");
}
if (ip->protocol == IP_PROTOCOL_TCP)
}
/* Accounting */
- nat44_session_update_counters (s, now, 0);
+ nat44_session_update_counters (s, now, 0, thread_index);
/* Per-user LRU list maintenance */
nat44_session_update_lru (sm, s, thread_index);
}
+static inline void
+create_bypass_for_fwd_worker (snat_main_t * sm, ip4_header_t * ip,
+ u32 rx_fib_index)
+{
+ ip4_header_t ip_wkr = {
+ .src_address = ip->dst_address,
+ };
+ u32 thread_index = sm->worker_in2out_cb (&ip_wkr, rx_fib_index);
+
+ create_bypass_for_fwd (sm, ip, rx_fib_index, thread_index);
+}
+
+#ifndef CLIB_MARCH_VARIANT
u32
icmp_match_out2in_ed (snat_main_t * sm, vlib_node_runtime_t * node,
u32 thread_index, vlib_buffer_t * b, ip4_header_t * ip,
next = NAT44_ED_OUT2IN_NEXT_IN2OUT;
goto out;
}
- create_bypass_for_fwd (sm, ip, rx_fib_index, thread_index);
+ if (sm->num_workers > 1)
+ create_bypass_for_fwd_worker (sm, ip, rx_fib_index);
+ else
+ create_bypass_for_fwd (sm, ip, rx_fib_index, thread_index);
goto out;
}
}
*(snat_session_t **) d = s;
return next;
}
+#endif
static snat_session_t *
nat44_ed_out2in_unknown_proto (snat_main_t * sm,
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
{
b->error = node->errors[NAT_OUT2IN_ED_ERROR_MAX_SESSIONS_EXCEEDED];
- nat_log_notice ("maximum sessions exceeded");
+ nat_elog_notice ("maximum sessions exceeded");
return 0;
}
thread_index);
if (!u)
{
- nat_log_warn ("create NAT user failed");
+ nat_elog_warn ("create NAT user failed");
return 0;
}
if (!s)
{
nat44_delete_user_with_no_session (sm, u, thread_index);
- nat_log_warn ("create NAT session failed");
+ nat_elog_warn ("create NAT session failed");
return 0;
}
/* Add to lookup tables */
s_kv.value = s - tsm->sessions;
if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &s_kv, 1))
- nat_log_notice ("out2in key add failed");
+ nat_elog_notice ("out2in key add failed");
make_ed_kv (&s_kv, &ip->dst_address, &ip->src_address, ip->protocol,
m->fib_index, 0, 0);
s_kv.value = s - tsm->sessions;
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &s_kv, 1))
- nat_log_notice ("in2out key add failed");
+ nat_elog_notice ("in2out key add failed");
}
/* Update IP checksum */
vnet_buffer (b)->sw_if_index[VLIB_TX] = s->in2out.fib_index;
/* 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_out2in_slowpath_node.index :
- nat44_ed_out2in_node.index;
+ stats_node_index = is_slow_path ? sm->ed_out2in_slowpath_node_index :
+ sm->ed_out2in_node_index;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
nat44_ed_out2in_unknown_proto (sm, b0, ip0, rx_fib_index0,
thread_index, now, vm,
node);
+ other_packets++;
if (!sm->forwarding_enabled)
{
if (!s0)
next0 = icmp_out2in_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 = NAT44_ED_OUT2IN_NEXT_REASS;
+ fragments++;
goto trace00;
}
next0 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
goto trace00;
}
- create_bypass_for_fwd (sm, ip0, rx_fib_index0,
- thread_index);
+ if (sm->num_workers > 1)
+ create_bypass_for_fwd_worker (sm, ip0,
+ rx_fib_index0);
+ else
+ create_bypass_for_fwd (sm, ip0, rx_fib_index0,
+ thread_index);
}
goto trace00;
}
ip0->src_address.as_u32 = s0->ext_host_nat_addr.as_u32;
}
tcp0->checksum = ip_csum_fold (sum0);
+ tcp_packets++;
if (nat44_set_tcp_session_state_o2i
(sm, s0, tcp0, thread_index))
goto trace00;
ip0->src_address.as_u32 = s0->ext_host_nat_addr.as_u32;
}
udp0->checksum = 0;
+ 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 != NAT44_ED_OUT2IN_NEXT_DROP;
+ pkts_processed += next0 == NAT44_ED_OUT2IN_NEXT_LOOKUP;
next1 = NAT44_ED_OUT2IN_NEXT_LOOKUP;
vnet_buffer (b1)->snat.flags = 0;
nat44_ed_out2in_unknown_proto (sm, b1, ip1, rx_fib_index1,
thread_index, now, vm,
node);
+ other_packets++;
if (!sm->forwarding_enabled)
{
if (!s1)
next1 = icmp_out2in_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 = NAT44_ED_OUT2IN_NEXT_REASS;
+ fragments++;
goto trace01;
}
next1 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
goto trace01;
}
- create_bypass_for_fwd (sm, ip1, rx_fib_index1,
- thread_index);
+ if (sm->num_workers > 1)
+ create_bypass_for_fwd_worker (sm, ip1,
+ rx_fib_index1);
+ else
+ create_bypass_for_fwd (sm, ip1, rx_fib_index1,
+ thread_index);
}
goto trace01;
}
ip1->src_address.as_u32 = s1->ext_host_nat_addr.as_u32;
}
tcp1->checksum = ip_csum_fold (sum1);
+ tcp_packets++;
if (nat44_set_tcp_session_state_o2i
(sm, s1, tcp1, thread_index))
goto trace01;
ip1->src_address.as_u32 = s1->ext_host_nat_addr.as_u32;
}
udp1->checksum = 0;
+ 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 != NAT44_ED_OUT2IN_NEXT_DROP;
+ pkts_processed += next1 == NAT44_ED_OUT2IN_NEXT_LOOKUP;
/* verify speculative enqueues, maybe switch current next frame */
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
nat44_ed_out2in_unknown_proto (sm, b0, ip0, rx_fib_index0,
thread_index, now, vm,
node);
+ other_packets++;
if (!sm->forwarding_enabled)
{
if (!s0)
next0 = icmp_out2in_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 = NAT44_ED_OUT2IN_NEXT_REASS;
+ fragments++;
goto trace0;
}
next0 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
goto trace0;
}
- create_bypass_for_fwd (sm, ip0, rx_fib_index0,
- thread_index);
+ if (sm->num_workers > 1)
+ create_bypass_for_fwd_worker (sm, ip0,
+ rx_fib_index0);
+ else
+ create_bypass_for_fwd (sm, ip0, rx_fib_index0,
+ thread_index);
}
goto trace0;
}
ip0->src_address.as_u32 = s0->ext_host_nat_addr.as_u32;
}
tcp0->checksum = ip_csum_fold (sum0);
+ tcp_packets++;
if (nat44_set_tcp_session_state_o2i
(sm, s0, tcp0, thread_index))
goto trace0;
ip0->src_address.as_u32 = s0->ext_host_nat_addr.as_u32;
}
udp0->checksum = 0;
+ 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 != NAT44_ED_OUT2IN_NEXT_DROP;
+ pkts_processed += next0 == NAT44_ED_OUT2IN_NEXT_LOOKUP;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
vlib_node_increment_counter (vm, stats_node_index,
NAT_OUT2IN_ED_ERROR_OUT2IN_PACKETS,
pkts_processed);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_OUT2IN_ED_ERROR_TCP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_OUT2IN_ED_ERROR_UDP_PACKETS, udp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_OUT2IN_ED_ERROR_ICMP_PACKETS,
+ icmp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_OUT2IN_ED_ERROR_OTHER_PACKETS,
+ other_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_OUT2IN_ED_ERROR_FRAGMENTS, fragments);
return frame->n_vectors;
}
-static uword
-nat44_ed_out2in_fast_path_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+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) = {
- .function = nat44_ed_out2in_fast_path_fn,
.name = "nat44-ed-out2in",
.vector_size = sizeof (u32),
.format_trace = format_nat44_ed_out2in_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_out2in_node,
- nat44_ed_out2in_fast_path_fn);
-
-static uword
-nat44_ed_out2in_slow_path_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+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) = {
- .function = nat44_ed_out2in_slow_path_fn,
.name = "nat44-ed-out2in-slowpath",
.vector_size = sizeof (u32),
.format_trace = format_nat44_ed_out2in_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_out2in_slowpath_node,
- nat44_ed_out2in_slow_path_fn);
-
-static uword
-nat44_ed_out2in_reass_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (nat44_ed_out2in_reass_node) (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;
{
next0 = NAT44_ED_OUT2IN_NEXT_DROP;
b0->error = node->errors[NAT_OUT2IN_ED_ERROR_MAX_REASS];
- nat_log_notice ("maximum reassemblies exceeded");
+ nat_elog_notice ("maximum reassemblies exceeded");
goto trace0;
}
next0 = NAT44_ED_OUT2IN_NEXT_IN2OUT;
goto trace0;
}
- create_bypass_for_fwd (sm, ip0, rx_fib_index0,
- thread_index);
+ if (sm->num_workers > 1)
+ create_bypass_for_fwd_worker (sm, ip0,
+ rx_fib_index0);
+ else
+ create_bypass_for_fwd (sm, ip0, rx_fib_index0,
+ thread_index);
reass0->flags |= NAT_REASS_FLAG_ED_DONT_TRANSLATE;
nat_ip4_reass_get_frags (reass0,
&fragments_to_loopback);
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_OUT2IN_ED_ERROR_MAX_FRAG];
- nat_log_notice
+ nat_elog_notice
("maximum fragments per reassembly exceeded");
next0 = NAT44_ED_OUT2IN_NEXT_DROP;
goto trace0;
/* 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);
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, nat44_ed_out2in_reass_node.index,
+ vlib_node_increment_counter (vm, sm->ed_out2in_reass_node_index,
NAT_OUT2IN_ED_ERROR_OUT2IN_PACKETS,
pkts_processed);
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (nat44_ed_out2in_reass_node) = {
- .function = nat44_ed_out2in_reass_node_fn,
.name = "nat44-ed-out2in-reass",
.vector_size = sizeof (u32),
.format_trace = format_nat44_reass_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_out2in_reass_node,
- nat44_ed_out2in_reass_node_fn);
-
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff