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authorMatus Fabian <matfabia@cisco.com>2017-09-19 05:42:38 -0700
committerOle Trøan <otroan@employees.org>2017-09-20 06:47:20 +0000
commit092b3cd59f17d5c3ebe167d8729273838afbe2cb (patch)
tree3a082495ac32f2665a0032726c00868b19de9262 /src/plugins/nat
parentf22f07dec90b7250f908d0085c1cf328f7d27138 (diff)
NAT: move session and user lookup tables to per thread data (VPP-986)
Change-Id: I41a51bb36e31e05c76fef0b34fe006afbee27729 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat')
-rwxr-xr-xsrc/plugins/nat/in2out.c118
-rw-r--r--src/plugins/nat/nat.c93
-rw-r--r--src/plugins/nat/nat.h14
-rw-r--r--src/plugins/nat/nat_api.c4
-rwxr-xr-xsrc/plugins/nat/out2in.c32
5 files changed, 151 insertions, 110 deletions
diff --git a/src/plugins/nat/in2out.c b/src/plugins/nat/in2out.c
index 9196ccbb454..8b658302c91 100755
--- a/src/plugins/nat/in2out.c
+++ b/src/plugins/nat/in2out.c
@@ -191,7 +191,7 @@ snat_not_translate_fast (snat_main_t * sm, vlib_node_runtime_t *node,
static inline int
snat_not_translate (snat_main_t * sm, vlib_node_runtime_t *node,
u32 sw_if_index0, ip4_header_t * ip0, u32 proto0,
- u32 rx_fib_index0)
+ u32 rx_fib_index0, u32 thread_index)
{
udp_header_t * udp0 = ip4_next_header (ip0);
snat_session_key_t key0, sm0;
@@ -205,7 +205,8 @@ snat_not_translate (snat_main_t * sm, vlib_node_runtime_t *node,
/* NAT packet aimed at external address if */
/* has active sessions */
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in, &kv0,
+ &value0))
{
/* or is static mappings */
if (!snat_static_mapping_match(sm, key0, &sm0, 1, 0))
@@ -256,7 +257,8 @@ static u32 slow_path (snat_main_t *sm, vlib_buffer_t *b0,
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))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].user_hash,
+ &kv0, &value0))
{
/* no, make a new one */
pool_get (sm->per_thread_data[thread_index].users, u);
@@ -275,7 +277,8 @@ static u32 slow_path (snat_main_t *sm, vlib_buffer_t *b0,
kv0.value = u - sm->per_thread_data[thread_index].users;
/* add user */
- clib_bihash_add_del_8_8 (&sm->user_hash, &kv0, 1 /* is_add */);
+ clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].user_hash,
+ &kv0, 1 /* is_add */);
}
else
{
@@ -339,10 +342,12 @@ static u32 slow_path (snat_main_t *sm, vlib_buffer_t *b0,
{
/* Remove in2out, out2in keys */
kv0.key = s->in2out.as_u64;
- if (clib_bihash_add_del_8_8 (&sm->in2out, &kv0, 0 /* is_add */))
+ if (clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].in2out,
+ &kv0, 0 /* is_add */))
clib_warning ("in2out key delete failed");
kv0.key = s->out2in.as_u64;
- if (clib_bihash_add_del_8_8 (&sm->out2in, &kv0, 0 /* is_add */))
+ if (clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].out2in,
+ &kv0, 0 /* is_add */))
clib_warning ("out2in key delete failed");
/* log NAT event */
@@ -431,13 +436,15 @@ static u32 slow_path (snat_main_t *sm, vlib_buffer_t *b0,
/* Add to translation hashes */
kv0.key = s->in2out.as_u64;
kv0.value = s - sm->per_thread_data[thread_index].sessions;
- if (clib_bihash_add_del_8_8 (&sm->in2out, &kv0, 1 /* is_add */))
+ if (clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].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 */))
+ if (clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].out2in, &kv0,
+ 1 /* is_add */))
clib_warning ("out2in key add failed");
/* Add to translated packets worker lookup */
@@ -554,10 +561,11 @@ u32 icmp_match_in2out_slow(snat_main_t *sm, vlib_node_runtime_t *node,
kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].in2out, &kv0,
+ &value0))
{
if (PREDICT_FALSE(snat_not_translate(sm, node, sw_if_index0, ip0,
- IP_PROTOCOL_ICMP, rx_fib_index0) &&
+ IP_PROTOCOL_ICMP, rx_fib_index0, thread_index) &&
vnet_buffer(b0)->sw_if_index[VLIB_TX] == ~0))
{
dont_translate = 1;
@@ -841,8 +849,22 @@ snat_hairpinning (snat_main_t *sm,
key0.fib_index = sm->outside_fib_index;
kv0.key = key0.as_u64;
+ if (sm->num_workers > 1)
+ {
+ k0.addr = ip0->dst_address;
+ k0.port = udp0->dst_port;
+ k0.fib_index = sm->outside_fib_index;
+ kv0.key = k0.as_u64;
+ if (clib_bihash_search_8_8 (&sm->worker_by_out, &kv0, &value0))
+ return;
+ else
+ ti = value0.value;
+ }
+ else
+ ti = sm->num_workers;
+
/* Check if destination is in active sessions */
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[ti].out2in, &kv0, &value0))
{
/* or static mappings */
if (!snat_static_mapping_match(sm, key0, &sm0, 1, 0))
@@ -855,19 +877,6 @@ snat_hairpinning (snat_main_t *sm,
else
{
si = value0.value;
- if (sm->num_workers > 1)
- {
- k0.addr = ip0->dst_address;
- k0.port = udp0->dst_port;
- k0.fib_index = sm->outside_fib_index;
- kv0.key = k0.as_u64;
- if (clib_bihash_search_8_8 (&sm->worker_by_out, &kv0, &value0))
- ASSERT(0);
- else
- ti = value0.value;
- }
- else
- ti = sm->num_workers;
s0 = pool_elt_at_index (sm->per_thread_data[ti].sessions, si);
new_dst_addr0 = s0->in2out.addr.as_u32;
@@ -940,8 +949,23 @@ snat_icmp_hairpinning (snat_main_t *sm,
key0.fib_index = sm->outside_fib_index;
kv0.key = key0.as_u64;
+ if (sm->num_workers > 1)
+ {
+ k0.addr = ip0->dst_address;
+ k0.port = icmp_id0;
+ k0.fib_index = sm->outside_fib_index;
+ kv0.key = k0.as_u64;
+ if (clib_bihash_search_8_8 (&sm->worker_by_out, &kv0, &value0))
+ return;
+ else
+ ti = value0.value;
+ }
+ else
+ ti = sm->num_workers;
+
/* Check if destination is in active sessions */
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[ti].out2in, &kv0,
+ &value0))
{
/* or static mappings */
if (!snat_static_mapping_match(sm, key0, &sm0, 1, 0))
@@ -953,19 +977,6 @@ snat_icmp_hairpinning (snat_main_t *sm,
else
{
si = value0.value;
- if (sm->num_workers > 1)
- {
- k0.addr = ip0->dst_address;
- k0.port = icmp_id0;
- k0.fib_index = sm->outside_fib_index;
- kv0.key = k0.as_u64;
- if (clib_bihash_search_8_8 (&sm->worker_by_out, &kv0, &value0))
- ASSERT(0);
- else
- ti = value0.value;
- }
- else
- ti = sm->num_workers;
s0 = pool_elt_at_index (sm->per_thread_data[ti].sessions, si);
new_dst_addr0 = s0->in2out.addr.as_u32;
@@ -1141,7 +1152,7 @@ snat_in2out_unknown_proto (snat_main_t *sm,
kv.key = u_key.as_u64;
/* Ever heard of the "user" = src ip4 address before? */
- if (clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
/* no, make a new one */
pool_get (tsm->users, u);
@@ -1158,7 +1169,7 @@ snat_in2out_unknown_proto (snat_main_t *sm,
kv.value = u - tsm->users;
/* add user */
- clib_bihash_add_del_8_8 (&sm->user_hash, &kv, 1);
+ clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 1);
}
else
{
@@ -1183,7 +1194,7 @@ snat_in2out_unknown_proto (snat_main_t *sm,
else
{
/* Choose same out address as for TCP/UDP session to same destination */
- if (!clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (!clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
head_index = u->sessions_per_user_list_head_index;
head = pool_elt_at_index (tsm->list_pool, head_index);
@@ -1288,10 +1299,12 @@ create_ses:
/* Remove in2out, out2in keys */
kv.key = s->in2out.as_u64;
- if (clib_bihash_add_del_8_8 (&sm->in2out, &kv, 0))
+ if (clib_bihash_add_del_8_8 (
+ &sm->per_thread_data[thread_index].in2out, &kv, 0))
clib_warning ("in2out key del failed");
kv.key = s->out2in.as_u64;
- if (clib_bihash_add_del_8_8 (&sm->out2in, &kv, 0))
+ if (clib_bihash_add_del_8_8 (
+ &sm->per_thread_data[thread_index].out2in, &kv, 0))
clib_warning ("out2in key del failed");
}
}
@@ -1424,7 +1437,7 @@ snat_in2out_lb (snat_main_t *sm,
kv.key = u_key.as_u64;
/* Ever heard of the "user" = src ip4 address before? */
- if (clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
/* no, make a new one */
pool_get (tsm->users, u);
@@ -1441,7 +1454,7 @@ snat_in2out_lb (snat_main_t *sm,
kv.value = u - tsm->users;
/* add user */
- if (clib_bihash_add_del_8_8 (&sm->user_hash, &kv, 1))
+ if (clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 1))
clib_warning ("user key add failed");
}
else
@@ -1653,12 +1666,13 @@ snat_in2out_node_fn_inline (vlib_main_t * vm,
kv0.key = key0.as_u64;
- if (PREDICT_FALSE (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0) != 0))
+ if (PREDICT_FALSE (clib_bihash_search_8_8 (
+ &sm->per_thread_data[thread_index].in2out, &kv0, &value0) != 0))
{
if (is_slow_path)
{
if (PREDICT_FALSE(snat_not_translate(sm, node, sw_if_index0,
- ip0, proto0, rx_fib_index0)) && !is_output_feature)
+ ip0, proto0, rx_fib_index0, thread_index)) && !is_output_feature)
goto trace00;
next0 = slow_path (sm, b0, ip0, rx_fib_index0, &key0,
@@ -1824,12 +1838,13 @@ snat_in2out_node_fn_inline (vlib_main_t * vm,
kv1.key = key1.as_u64;
- if (PREDICT_FALSE(clib_bihash_search_8_8 (&sm->in2out, &kv1, &value1) != 0))
+ if (PREDICT_FALSE(clib_bihash_search_8_8 (
+ &sm->per_thread_data[thread_index].in2out, &kv1, &value1) != 0))
{
if (is_slow_path)
{
if (PREDICT_FALSE(snat_not_translate(sm, node, sw_if_index1,
- ip1, proto1, rx_fib_index1)) && !is_output_feature)
+ ip1, proto1, rx_fib_index1, thread_index)) && !is_output_feature)
goto trace01;
next1 = slow_path (sm, b1, ip1, rx_fib_index1, &key1,
@@ -2031,12 +2046,13 @@ snat_in2out_node_fn_inline (vlib_main_t * vm,
kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->in2out, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].in2out,
+ &kv0, &value0))
{
if (is_slow_path)
{
if (PREDICT_FALSE(snat_not_translate(sm, node, sw_if_index0,
- ip0, proto0, rx_fib_index0)) && !is_output_feature)
+ ip0, proto0, rx_fib_index0, thread_index)) && !is_output_feature)
goto trace0;
next0 = slow_path (sm, b0, ip0, rx_fib_index0, &key0,
diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c
index 36b72664f3a..876b6aad07a 100644
--- a/src/plugins/nat/nat.c
+++ b/src/plugins/nat/nat.c
@@ -483,13 +483,13 @@ int snat_add_static_mapping(ip4_address_t l_addr, ip4_address_t e_addr,
u_key.addr = m->local_addr;
u_key.fib_index = m->fib_index;
kv.key = u_key.as_u64;
- if (!clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (!clib_bihash_search_8_8 (&sm->worker_by_in, &kv, &value))
+ tsm = vec_elt_at_index (sm->per_thread_data, value.value);
+ else
+ tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
+ if (!clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
user_index = value.value;
- if (!clib_bihash_search_8_8 (&sm->worker_by_in, &kv, &value))
- tsm = vec_elt_at_index (sm->per_thread_data, value.value);
- else
- tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
u = pool_elt_at_index (tsm->users, user_index);
if (u->nstaticsessions)
{
@@ -548,10 +548,10 @@ int snat_add_static_mapping(ip4_address_t l_addr, ip4_address_t e_addr,
s->in2out.fib_index);
value.key = s->in2out.as_u64;
- if (clib_bihash_add_del_8_8 (&sm->in2out, &value, 0))
+ if (clib_bihash_add_del_8_8 (&tsm->in2out, &value, 0))
clib_warning ("in2out key del failed");
value.key = s->out2in.as_u64;
- if (clib_bihash_add_del_8_8 (&sm->out2in, &value, 0))
+ if (clib_bihash_add_del_8_8 (&tsm->out2in, &value, 0))
clib_warning ("out2in key del failed");
delete:
pool_put (tsm->sessions, s);
@@ -566,7 +566,7 @@ delete:
if (addr_only)
{
pool_put (tsm->users, u);
- clib_bihash_add_del_8_8 (&sm->user_hash, &kv, 0);
+ clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 0);
}
}
}
@@ -615,6 +615,7 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
snat_user_key_t w_key0;
snat_worker_key_t w_key1;
u32 worker_index = 0;
+ snat_main_per_thread_data_t *tsm;
m_key.addr = e_addr;
m_key.port = e_port;
@@ -695,16 +696,6 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
clib_warning ("static_mapping_by_external key add failed");
return VNET_API_ERROR_UNSPECIFIED;
}
- m_key.port = clib_host_to_net_u16 (m->external_port);
- kv.key = m_key.as_u64;
- kv.value = ~0ULL;
- if (clib_bihash_add_del_8_8(&sm->out2in, &kv, 1))
- {
- clib_warning ("static_mapping_by_local key add failed");
- return VNET_API_ERROR_UNSPECIFIED;
- }
-
- m_key.fib_index = m->fib_index;
/* Assign worker */
if (sm->workers)
@@ -729,8 +720,21 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
clib_warning ("worker-by-out add key failed");
return VNET_API_ERROR_UNSPECIFIED;
}
+ tsm = vec_elt_at_index (sm->per_thread_data, worker_index);
+ }
+ else
+ tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
+
+ m_key.port = clib_host_to_net_u16 (m->external_port);
+ kv.key = m_key.as_u64;
+ kv.value = ~0ULL;
+ if (clib_bihash_add_del_8_8(&tsm->out2in, &kv, 1))
+ {
+ clib_warning ("static_mapping_by_local key add failed");
+ return VNET_API_ERROR_UNSPECIFIED;
}
+ m_key.fib_index = m->fib_index;
for (i = 0; i < vec_len (locals); i++)
{
m_key.addr = locals[i].addr;
@@ -744,7 +748,7 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
m_key.port = clib_host_to_net_u16 (locals[i].port);
kv.key = m_key.as_u64;
kv.value = ~0ULL;
- if (clib_bihash_add_del_8_8(&sm->in2out, &kv, 1))
+ if (clib_bihash_add_del_8_8(&tsm->in2out, &kv, 1))
{
clib_warning ("in2out key add failed");
return VNET_API_ERROR_UNSPECIFIED;
@@ -801,6 +805,15 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
}
}
+ w_key1.addr = m->external_addr;
+ w_key1.port = clib_host_to_net_u16 (m->external_port);
+ w_key1.fib_index = sm->outside_fib_index;
+ kv.key = w_key1.as_u64;
+ if (!clib_bihash_search_8_8 (&sm->worker_by_out, &kv, &value))
+ tsm = vec_elt_at_index (sm->per_thread_data, value.value);
+ else
+ tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
+
m_key.addr = m->external_addr;
m_key.port = m->external_port;
m_key.protocol = m->proto;
@@ -813,7 +826,7 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
}
m_key.port = clib_host_to_net_u16 (m->external_port);
kv.key = m_key.as_u64;
- if (clib_bihash_add_del_8_8(&sm->out2in, &kv, 0))
+ if (clib_bihash_add_del_8_8(&tsm->out2in, &kv, 0))
{
clib_warning ("outi2in key del failed");
return VNET_API_ERROR_UNSPECIFIED;
@@ -832,7 +845,7 @@ int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
}
m_key.port = clib_host_to_net_u16 (local->port);
kv.key = m_key.as_u64;
- if (clib_bihash_add_del_8_8(&sm->in2out, &kv, 0))
+ if (clib_bihash_add_del_8_8(&tsm->in2out, &kv, 0))
{
clib_warning ("in2out key del failed");
return VNET_API_ERROR_UNSPECIFIED;
@@ -938,16 +951,16 @@ int snat_del_address (snat_main_t *sm, ip4_address_t addr, u8 delete_sm)
ses->out2in.port,
ses->in2out.fib_index);
kv.key = ses->in2out.as_u64;
- clib_bihash_add_del_8_8 (&sm->in2out, &kv, 0);
+ clib_bihash_add_del_8_8 (&tsm->in2out, &kv, 0);
kv.key = ses->out2in.as_u64;
- clib_bihash_add_del_8_8 (&sm->out2in, &kv, 0);
+ clib_bihash_add_del_8_8 (&tsm->out2in, &kv, 0);
}
vec_add1 (ses_to_be_removed, ses - tsm->sessions);
clib_dlist_remove (tsm->list_pool, ses->per_user_index);
user_key.addr = ses->in2out.addr;
user_key.fib_index = ses->in2out.fib_index;
kv.key = user_key.as_u64;
- if (!clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (!clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
u = pool_elt_at_index (tsm->users, value.value);
u->nsessions--;
@@ -2130,6 +2143,7 @@ snat_config (vlib_main_t * vm, unformat_input_t * input)
u32 static_mapping_memory_size = 64<<20;
u8 static_mapping_only = 0;
u8 static_mapping_connection_tracking = 0;
+ snat_main_per_thread_data_t *tsm;
sm->deterministic = 0;
@@ -2204,21 +2218,24 @@ snat_config (vlib_main_t * vm, unformat_input_t * input)
sm->icmp_match_in2out_cb = icmp_match_in2out_slow;
sm->icmp_match_out2in_cb = icmp_match_out2in_slow;
- clib_bihash_init_8_8 (&sm->worker_by_in, "worker-by-in", user_buckets,
- user_memory_size);
-
- clib_bihash_init_8_8 (&sm->worker_by_out, "worker-by-out", user_buckets,
- user_memory_size);
+ vec_foreach (tsm, sm->per_thread_data)
+ {
+ clib_bihash_init_8_8 (&tsm->in2out, "in2out", translation_buckets,
+ translation_memory_size);
- clib_bihash_init_8_8 (&sm->in2out, "in2out", translation_buckets,
- translation_memory_size);
+ clib_bihash_init_8_8 (&tsm->out2in, "out2in", translation_buckets,
+ translation_memory_size);
- clib_bihash_init_8_8 (&sm->out2in, "out2in", translation_buckets,
- translation_memory_size);
+ clib_bihash_init_8_8 (&tsm->user_hash, "users", user_buckets,
+ user_memory_size);
+ }
- clib_bihash_init_8_8 (&sm->user_hash, "users", user_buckets,
+ clib_bihash_init_8_8 (&sm->worker_by_in, "worker-by-in", user_buckets,
user_memory_size);
+ clib_bihash_init_8_8 (&sm->worker_by_out, "worker-by-out",
+ translation_buckets, translation_memory_size);
+
clib_bihash_init_16_8 (&sm->in2out_ed, "in2out-ed",
translation_buckets, translation_memory_size);
@@ -2595,10 +2612,6 @@ show_snat_command_fn (vlib_main_t * vm,
if (verbose > 0)
{
- vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->in2out,
- verbose - 1);
- vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->out2in,
- verbose - 1);
vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->in2out_ed,
verbose - 1);
vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->out2in_ed,
@@ -2617,6 +2630,10 @@ show_snat_command_fn (vlib_main_t * vm,
vlib_worker_thread_t *w = vlib_worker_threads + j;
vlib_cli_output (vm, "Thread %d (%s at lcore %u):", j, w->name,
w->lcore_id);
+ vlib_cli_output (vm, " %U", format_bihash_8_8, &tsm->in2out,
+ verbose - 1);
+ vlib_cli_output (vm, " %U", format_bihash_8_8, &tsm->out2in,
+ verbose - 1);
vlib_cli_output (vm, " %d list pool elements",
pool_elts (tsm->list_pool));
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index d1ba5d55b73..f970821b1c9 100644
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -244,6 +244,13 @@ typedef struct {
} snat_static_map_resolve_t;
typedef struct {
+ /* Main lookup tables */
+ clib_bihash_8_8_t out2in;
+ clib_bihash_8_8_t in2out;
+
+ /* Find-a-user => src address lookup */
+ clib_bihash_8_8_t user_hash;
+
/* User pool */
snat_user_t * users;
@@ -271,17 +278,10 @@ typedef u32 snat_icmp_match_function_t (struct snat_main_s *sm,
typedef u32 (snat_get_worker_function_t) (ip4_header_t * ip, u32 rx_fib_index);
typedef struct snat_main_s {
- /* Main lookup tables */
- clib_bihash_8_8_t out2in;
- clib_bihash_8_8_t in2out;
-
/* Endpoint address dependent sessions lookup tables */
clib_bihash_16_8_t out2in_ed;
clib_bihash_16_8_t in2out_ed;
- /* Find-a-user => src address lookup */
- clib_bihash_8_8_t user_hash;
-
/* Non-translated packets worker lookup => src address + VRF */
clib_bihash_8_8_t worker_by_in;
diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index fa20f2cc6b2..50b4a9ae8e1 100644
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -870,7 +870,7 @@ static void
tsm = vec_elt_at_index (sm->per_thread_data, value.value);
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
- if (clib_bihash_search_8_8 (&sm->user_hash, &key, &value))
+ if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
return;
u = pool_elt_at_index (tsm->users, value.value);
if (!u->nsessions && !u->nstaticsessions)
@@ -2105,7 +2105,7 @@ vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
tsm = vec_elt_at_index (sm->per_thread_data, value.value);
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
- if (clib_bihash_search_8_8 (&sm->user_hash, &key, &value))
+ if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
return;
u = pool_elt_at_index (tsm->users, value.value);
if (!u->nsessions && !u->nstaticsessions)
diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c
index 52adc8a8e08..6472e7ff50c 100755
--- a/src/plugins/nat/out2in.c
+++ b/src/plugins/nat/out2in.c
@@ -146,7 +146,8 @@ create_session_for_static_mapping (snat_main_t *sm,
kv0.key = user_key.as_u64;
/* Ever heard of the "user" = inside ip4 address before? */
- if (clib_bihash_search_8_8 (&sm->user_hash, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].user_hash,
+ &kv0, &value0))
{
/* no, make a new one */
pool_get (sm->per_thread_data[thread_index].users, u);
@@ -166,7 +167,8 @@ create_session_for_static_mapping (snat_main_t *sm,
kv0.value = u - sm->per_thread_data[thread_index].users;
/* add user */
- clib_bihash_add_del_8_8 (&sm->user_hash, &kv0, 1 /* is_add */);
+ clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].user_hash,
+ &kv0, 1 /* is_add */);
/* add non-traslated packets worker lookup */
kv0.value = thread_index;
@@ -211,13 +213,15 @@ create_session_for_static_mapping (snat_main_t *sm,
/* Add to translation hashes */
kv0.key = s->in2out.as_u64;
kv0.value = s - sm->per_thread_data[thread_index].sessions;
- if (clib_bihash_add_del_8_8 (&sm->in2out, &kv0, 1 /* is_add */))
+ if (clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].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 */))
+ if (clib_bihash_add_del_8_8 (&sm->per_thread_data[thread_index].out2in, &kv0,
+ 1 /* is_add */))
clib_warning ("out2in key add failed");
/* log NAT event */
@@ -325,7 +329,8 @@ u32 icmp_match_out2in_slow(snat_main_t *sm, vlib_node_runtime_t *node,
kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in, &kv0,
+ &value0))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */
@@ -672,7 +677,7 @@ snat_out2in_unknown_proto (snat_main_t *sm,
kv.key = u_key.as_u64;
/* Ever heard of the "user" = src ip4 address before? */
- if (clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
/* no, make a new one */
pool_get (tsm->users, u);
@@ -689,7 +694,7 @@ snat_out2in_unknown_proto (snat_main_t *sm,
kv.value = u - tsm->users;
/* add user */
- clib_bihash_add_del_8_8 (&sm->user_hash, &kv, 1);
+ clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 1);
}
else
{
@@ -804,7 +809,7 @@ snat_out2in_lb (snat_main_t *sm,
kv.key = u_key.as_u64;
/* Ever heard of the "user" = src ip4 address before? */
- if (clib_bihash_search_8_8 (&sm->user_hash, &kv, &value))
+ if (clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
/* no, make a new one */
pool_get (tsm->users, u);
@@ -821,7 +826,7 @@ snat_out2in_lb (snat_main_t *sm,
kv.value = u - tsm->users;
/* add user */
- if (clib_bihash_add_del_8_8 (&sm->user_hash, &kv, 1))
+ if (clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 1))
clib_warning ("user key add failed");
}
else
@@ -1013,7 +1018,8 @@ snat_out2in_node_fn (vlib_main_t * vm,
kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in,
+ &kv0, &value0))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */
@@ -1164,7 +1170,8 @@ snat_out2in_node_fn (vlib_main_t * vm,
kv1.key = key1.as_u64;
- if (clib_bihash_search_8_8 (&sm->out2in, &kv1, &value1))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in,
+ &kv1, &value1))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */
@@ -1351,7 +1358,8 @@ snat_out2in_node_fn (vlib_main_t * vm,
kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->out2in, &kv0, &value0))
+ if (clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in,
+ &kv0, &value0))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */