#include <nat/nat.h>
#include <nat/nat_dpo.h>
#include <nat/nat_ipfix_logging.h>
-#include <nat/nat_det.h>
#include <nat/nat64.h>
-#include <nat/nat66.h>
#include <nat/nat_inlines.h>
#include <nat/nat44/inlines.h>
#include <nat/nat_affinity.h>
.node_name = "nat44-classify",
.runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa","ip4-sv-reassembly-feature"),
};
-VNET_FEATURE_INIT (ip4_snat_det_in2out, static) = {
- .arc_name = "ip4-unicast",
- .node_name = "nat44-det-in2out",
- .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa","ip4-sv-reassembly-feature"),
-};
-VNET_FEATURE_INIT (ip4_snat_det_out2in, static) = {
- .arc_name = "ip4-unicast",
- .node_name = "nat44-det-out2in",
- .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa","ip4-sv-reassembly-feature",
- "ip4-dhcp-client-detect"),
-};
-VNET_FEATURE_INIT (ip4_nat_det_classify, static) = {
- .arc_name = "ip4-unicast",
- .node_name = "nat44-det-classify",
- .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa","ip4-sv-reassembly-feature"),
-};
VNET_FEATURE_INIT (ip4_nat44_ed_in2out, static) = {
.arc_name = "ip4-unicast",
.node_name = "nat44-ed-in2out",
nat_free_session_data (snat_main_t * sm, snat_session_t * s, u32 thread_index,
u8 is_ha)
{
- snat_session_key_t key;
clib_bihash_kv_8_8_t kv;
u8 proto;
u16 r_port, l_port;
snat_main_per_thread_data_t *tsm =
vec_elt_at_index (sm->per_thread_data, thread_index);
+ if (is_ed_session (s))
+ {
+ per_vrf_sessions_unregister_session (s, thread_index);
+ }
+
if (is_fwd_bypass_session (s))
{
if (snat_is_unk_proto_session (s))
{
- make_ed_kv (&s->in2out.addr, &s->ext_host_addr, s->in2out.port, 0,
- 0, 0, ~0, ~0, &ed_kv);
+ init_ed_k (&ed_kv, s->in2out.addr, 0, s->ext_host_addr, 0, 0,
+ s->in2out.port);
}
else
{
r_port = s->ext_host_port;
l_addr = &s->in2out.addr;
r_addr = &s->ext_host_addr;
- proto = nat_proto_to_ip_proto (s->in2out.protocol);
- make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0,
- ~0, &ed_kv);
+ proto = nat_proto_to_ip_proto (s->nat_proto);
+ init_ed_k (&ed_kv, *l_addr, l_port, *r_addr, r_port, fib_index,
+ proto);
}
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0))
nat_elog_warn ("in2out_ed key del failed");
{
if (is_affinity_sessions (s))
nat_affinity_unlock (s->ext_host_addr, s->out2in.addr,
- s->in2out.protocol, s->out2in.port);
+ s->nat_proto, s->out2in.port);
l_addr = &s->out2in.addr;
r_addr = &s->ext_host_addr;
fib_index = s->out2in.fib_index;
}
else
{
- proto = nat_proto_to_ip_proto (s->in2out.protocol);
+ proto = nat_proto_to_ip_proto (s->nat_proto);
l_port = s->out2in.port;
r_port = s->ext_host_port;
}
- make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0,
- &ed_kv);
+ init_ed_k (&ed_kv, *l_addr, l_port, *r_addr, r_port, fib_index, proto);
if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &ed_kv, 0))
nat_elog_warn ("out2in_ed key del failed");
l_addr = &s->in2out.addr;
r_addr = &s->ext_host_nat_addr;
r_port = s->ext_host_nat_port;
}
- make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0,
- &ed_kv);
+ init_ed_k (&ed_kv, *l_addr, l_port, *r_addr, r_port, fib_index, proto);
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0))
nat_elog_warn ("in2out_ed key del failed");
&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));
+ s->nat_proto, is_twice_nat_session (s));
}
else
{
- kv.key = s->in2out.as_u64;
+ init_nat_i2o_k (&kv, s);
if (clib_bihash_add_del_8_8 (&tsm->in2out, &kv, 0))
nat_elog_warn ("in2out key del failed");
- kv.key = s->out2in.as_u64;
+ init_nat_o2i_k (&kv, s);
if (clib_bihash_add_del_8_8 (&tsm->out2in, &kv, 0))
nat_elog_warn ("out2in key del failed");
nat_syslog_nat44_apmdel (s->user_index, s->in2out.fib_index,
&s->in2out.addr, s->in2out.port,
&s->out2in.addr, s->out2in.port,
- s->in2out.protocol);
+ s->nat_proto);
}
if (snat_is_unk_proto_session (s))
snat_ipfix_logging_nat44_ses_delete (thread_index,
s->in2out.addr.as_u32,
s->out2in.addr.as_u32,
- s->in2out.protocol,
+ s->nat_proto,
s->in2out.port,
s->out2in.port,
s->in2out.fib_index);
nat_ha_sdel (&s->out2in.addr, s->out2in.port, &s->ext_host_addr,
- s->ext_host_port, s->out2in.protocol, s->out2in.fib_index,
+ s->ext_host_port, s->nat_proto, s->out2in.fib_index,
thread_index);
}
/* Twice NAT address and port for external host */
if (is_twice_nat_session (s))
{
- key.protocol = s->in2out.protocol;
- key.port = s->ext_host_nat_port;
- key.addr.as_u32 = s->ext_host_nat_addr.as_u32;
snat_free_outside_address_and_port (sm->twice_nat_addresses,
- thread_index, &key);
+ thread_index,
+ &s->ext_host_nat_addr,
+ s->ext_host_nat_port, s->nat_proto);
}
if (snat_is_session_static (s))
return;
snat_free_outside_address_and_port (sm->addresses, thread_index,
- &s->out2in);
-}
-
-int
-nat44_set_session_limit (u32 session_limit, u32 vrf_id)
-{
- snat_main_t *sm = &snat_main;
- u32 fib_index = fib_table_find (FIB_PROTOCOL_IP4, vrf_id);
- u32 len = vec_len (sm->max_translations_per_fib);
-
- if (len <= fib_index)
- {
- vec_validate (sm->max_translations_per_fib, fib_index + 1);
-
- for (; len < vec_len (sm->max_translations_per_fib); len++)
- sm->max_translations_per_fib[len] = sm->max_translations;
- }
-
- sm->max_translations_per_fib[fib_index] = session_limit;
- return 0;
+ &s->out2in.addr, s->out2in.port,
+ s->nat_proto);
}
void
nat44_free_session_data (snat_main_t * sm, snat_session_t * s,
u32 thread_index, u8 is_ha)
{
- snat_session_key_t key;
u8 proto;
u16 r_port, l_port;
ip4_address_t *l_addr, *r_addr;
}
else
{
- proto = nat_proto_to_ip_proto (s->in2out.protocol);
+ proto = nat_proto_to_ip_proto (s->nat_proto);
l_port = s->in2out.port;
r_port = s->ext_host_port;
}
l_addr = &s->in2out.addr;
r_addr = &s->ext_host_addr;
fib_index = 0;
- make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0,
- &ed_kv);
+ init_ed_k (&ed_kv, *l_addr, l_port, *r_addr, r_port, fib_index, proto);
if (PREDICT_FALSE
(clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0)))
/* session lookup tables */
if (is_affinity_sessions (s))
nat_affinity_unlock (s->ext_host_addr, s->out2in.addr,
- s->in2out.protocol, s->out2in.port);
+ s->nat_proto, s->out2in.port);
l_addr = &s->out2in.addr;
r_addr = &s->ext_host_addr;
fib_index = s->out2in.fib_index;
}
else
{
- proto = nat_proto_to_ip_proto (s->in2out.protocol);
+ proto = nat_proto_to_ip_proto (s->nat_proto);
l_port = s->out2in.port;
r_port = s->ext_host_port;
}
- make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0,
- &ed_kv);
+ init_ed_k (&ed_kv, *l_addr, l_port, *r_addr, r_port, fib_index, proto);
if (PREDICT_FALSE (clib_bihash_add_del_16_8 (&sm->out2in_ed, &ed_kv, 0)))
nat_elog_warn ("out2in_ed key del failed");
r_addr = &s->ext_host_nat_addr;
r_port = s->ext_host_nat_port;
}
- make_ed_kv (l_addr, r_addr, proto, fib_index, l_port, r_port, ~0, ~0,
- &ed_kv);
+ init_ed_k (&ed_kv, *l_addr, l_port, *r_addr, r_port, fib_index, proto);
if (PREDICT_FALSE (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &ed_kv, 0)))
nat_elog_warn ("in2out_ed key del failed");
&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));
+ s->nat_proto, is_twice_nat_session (s));
}
if (snat_is_unk_proto_session (s))
return;
- // is this correct ?
if (!is_ha)
{
snat_ipfix_logging_nat44_ses_delete (thread_index,
s->in2out.addr.as_u32,
s->out2in.addr.as_u32,
- s->in2out.protocol,
+ s->nat_proto,
s->in2out.port,
s->out2in.port,
s->in2out.fib_index);
nat_ha_sdel (&s->out2in.addr, s->out2in.port, &s->ext_host_addr,
- s->ext_host_port, s->out2in.protocol, s->out2in.fib_index,
+ s->ext_host_port, s->nat_proto, s->out2in.fib_index,
thread_index);
}
/* Twice NAT address and port for external host */
if (is_twice_nat_session (s))
{
- key.protocol = s->in2out.protocol;
- key.port = s->ext_host_nat_port;
- key.addr.as_u32 = s->ext_host_nat_addr.as_u32;
snat_free_outside_address_and_port (sm->twice_nat_addresses,
- thread_index, &key);
+ thread_index,
+ &s->ext_host_nat_addr,
+ s->ext_host_nat_port, s->nat_proto);
}
if (snat_is_session_static (s))
return;
- // should be called for every dynamic session
snat_free_outside_address_and_port (sm->addresses, thread_index,
- &s->out2in);
+ &s->out2in.addr, s->out2in.port,
+ s->nat_proto);
}
/* Ever heard of the "user" = src ip4 address before? */
if (clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value))
{
+ if (pool_elts (tsm->users) >= sm->max_users_per_thread)
+ {
+ vlib_increment_simple_counter (&sm->user_limit_reached,
+ thread_index, 0, 1);
+ nat_elog_warn ("maximum user limit reached");
+ return NULL;
+ }
/* no, make a new one */
pool_get (tsm->users, u);
clib_memset (u, 0, sizeof (*u));
if (!addr_only)
{
if ((s->out2in.addr.as_u32 != e_addr.as_u32) ||
- (clib_net_to_host_u16 (s->out2in.port) != e_port))
+ (s->out2in.port != e_port))
continue;
}
if (!addr_only)
{
if ((s->out2in.addr.as_u32 != e_addr.as_u32) ||
- (clib_net_to_host_u16 (s->out2in.port) != e_port) ||
- clib_net_to_host_u16 (s->in2out.port) != l_port ||
- s->in2out.protocol != protocol)
+ s->out2in.port != e_port ||
+ s->in2out.port != l_port ||
+ s->nat_proto != protocol)
continue;
}
{
snat_main_t *sm = &snat_main;
snat_static_mapping_t *m;
- snat_session_key_t m_key;
clib_bihash_kv_8_8_t kv, value;
snat_address_t *a = 0;
u32 fib_index = ~0;
}
}
- m_key.addr = e_addr;
- m_key.port = addr_only ? 0 : e_port;
- m_key.protocol = addr_only ? 0 : proto;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, e_addr, addr_only ? 0 : e_port, 0, addr_only ? 0 : proto);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
m = 0;
else
local->fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, vrf_id,
nat_fib_src_low);
- m_key.addr = m->local_addr;
- m_key.port = m->local_port;
- m_key.protocol = m->proto;
- m_key.fib_index = local->fib_index;
- kv.key = m_key.as_u64;
- kv.value = m - sm->static_mappings;
+ init_nat_kv (&kv, m->local_addr, m->local_port,
+ local->fib_index, m->proto,
+ m - sm->static_mappings);
clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 1);
return 0;
}
if (!(out2in_only || identity_nat))
{
- m_key.addr = l_addr;
- m_key.port = addr_only ? 0 : l_port;
- m_key.protocol = addr_only ? 0 : proto;
- m_key.fib_index = fib_index;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, l_addr, addr_only ? 0 : l_port, fib_index,
+ addr_only ? 0 : proto);
if (!clib_bihash_search_8_8
(&sm->static_mapping_by_local, &kv, &value))
return VNET_API_ERROR_VALUE_EXIST;
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
- m_key.addr = m->local_addr;
- m_key.port = m->local_port;
- m_key.protocol = m->proto;
- m_key.fib_index = fib_index;
- kv.key = m_key.as_u64;
- kv.value = m - sm->static_mappings;
+ init_nat_kv (&kv, m->local_addr, m->local_port, fib_index, m->proto,
+ m - sm->static_mappings);
if (!out2in_only)
clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 1);
- m_key.addr = m->external_addr;
- m_key.port = m->external_port;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
- kv.value = m - sm->static_mappings;
+ init_nat_kv (&kv, m->external_addr, m->external_port, 0, m->proto,
+ m - sm->static_mappings);
clib_bihash_add_del_8_8 (&sm->static_mapping_by_external, &kv, 1);
/* Delete dynamic sessions matching local address (+ local port) */
if (snat_is_session_static (s))
continue;
- if (!addr_only
- && (clib_net_to_host_u16 (s->in2out.port) !=
- m->local_port))
+ if (!addr_only && s->in2out.port != m->local_port)
continue;
nat_free_session_data (sm, s,
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
- m_key.addr = m->local_addr;
- m_key.port = m->local_port;
- m_key.protocol = m->proto;
- m_key.fib_index = fib_index;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, m->local_addr, m->local_port, fib_index, m->proto);
if (!out2in_only)
clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 0);
if (pool_elts (m->locals))
return 0;
- m_key.addr = m->external_addr;
- m_key.port = m->external_port;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, m->external_addr, m->external_port, 0, m->proto);
clib_bihash_add_del_8_8 (&sm->static_mapping_by_external, &kv, 0);
vec_free (m->tag);
{
snat_main_t *sm = &snat_main;
snat_static_mapping_t *m;
- snat_session_key_t m_key;
clib_bihash_kv_8_8_t kv, value;
snat_address_t *a = 0;
int i;
if (!sm->endpoint_dependent)
return VNET_API_ERROR_FEATURE_DISABLED;
- m_key.addr = e_addr;
- m_key.port = e_port;
- m_key.protocol = proto;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, e_addr, e_port, 0, proto);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
m = 0;
else
else
m->affinity_per_service_list_head_index = ~0;
- m_key.addr = m->external_addr;
- m_key.port = m->external_port;
- m_key.protocol = m->proto;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
- kv.value = m - sm->static_mappings;
+ init_nat_kv (&kv, m->external_addr, m->external_port, 0, m->proto,
+ m - sm->static_mappings);
if (clib_bihash_add_del_8_8 (&sm->static_mapping_by_external, &kv, 1))
{
nat_elog_err ("static_mapping_by_external key add failed");
return VNET_API_ERROR_UNSPECIFIED;
}
- m_key.fib_index = m->fib_index;
for (i = 0; i < vec_len (locals); i++)
{
locals[i].fib_index =
fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
locals[i].vrf_id,
nat_fib_src_low);
- m_key.addr = locals[i].addr;
- m_key.fib_index = locals[i].fib_index;
if (!out2in_only)
{
- m_key.port = locals[i].port;
- kv.key = m_key.as_u64;
- kv.value = m - sm->static_mappings;
+ init_nat_kv (&kv, locals[i].addr, locals[i].port,
+ locals[i].fib_index, m->proto,
+ m - sm->static_mappings);
clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 1);
}
locals[i].prefix = (i == 0) ? locals[i].probability :
}
}
- m_key.addr = m->external_addr;
- m_key.port = m->external_port;
- m_key.protocol = m->proto;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, m->external_addr, m->external_port, 0, m->proto);
if (clib_bihash_add_del_8_8 (&sm->static_mapping_by_external, &kv, 0))
{
nat_elog_err ("static_mapping_by_external key del failed");
({
fib_table_unlock (local->fib_index, FIB_PROTOCOL_IP4,
nat_fib_src_low);
- m_key.addr = local->addr;
if (!out2in_only)
{
- m_key.port = local->port;
- m_key.fib_index = local->fib_index;
- kv.key = m_key.as_u64;
+init_nat_k(& kv, local->addr, local->port, local->fib_index, m->proto);
if (clib_bihash_add_del_8_8(&sm->static_mapping_by_local, &kv, 0))
{
nat_elog_err ("static_mapping_by_local key del failed");
continue;
if ((s->in2out.addr.as_u32 != local->addr.as_u32) ||
- (clib_net_to_host_u16 (s->in2out.port) != local->port))
+ s->in2out.port != local->port)
continue;
nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0);
{
snat_main_t *sm = &snat_main;
snat_static_mapping_t *m = 0;
- snat_session_key_t m_key;
clib_bihash_kv_8_8_t kv, value;
nat44_lb_addr_port_t *local, *prev_local, *match_local = 0;
snat_main_per_thread_data_t *tsm;
if (!sm->endpoint_dependent)
return VNET_API_ERROR_FEATURE_DISABLED;
- m_key.addr = e_addr;
- m_key.port = e_port;
- m_key.protocol = proto;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, e_addr, e_port, 0, proto);
if (!clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
m = pool_elt_at_index (sm->static_mappings, value.value);
if (!is_out2in_only_static_mapping (m))
{
- m_key.addr = l_addr;
- m_key.port = l_port;
- m_key.fib_index = local->fib_index;
- kv.key = m_key.as_u64;
- kv.value = m - sm->static_mappings;
+ init_nat_kv (&kv, l_addr, l_port, local->fib_index, proto,
+ m - sm->static_mappings);
if (clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 1))
nat_elog_err ("static_mapping_by_local key add failed");
}
if (!is_out2in_only_static_mapping (m))
{
- m_key.addr = l_addr;
- m_key.port = l_port;
- m_key.fib_index = match_local->fib_index;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, l_addr, l_port, match_local->fib_index, proto);
if (clib_bihash_add_del_8_8 (&sm->static_mapping_by_local, &kv, 0))
nat_elog_err ("static_mapping_by_local key del failed");
}
continue;
if ((s->in2out.addr.as_u32 != match_local->addr.as_u32) ||
- (clib_net_to_host_u16 (s->in2out.port) != match_local->port))
+ s->in2out.port != match_local->port)
continue;
nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0);
return 0;
}
+static void
+nat_validate_counters (snat_main_t * sm, u32 sw_if_index)
+{
+#define _(x) \
+ vlib_validate_simple_counter (&sm->counters.fastpath.in2out.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.fastpath.in2out.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.fastpath.out2in.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.fastpath.out2in.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.slowpath.in2out.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.slowpath.in2out.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.slowpath.out2in.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.slowpath.out2in.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.fastpath.in2out_ed.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.fastpath.in2out_ed.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.fastpath.out2in_ed.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.fastpath.out2in_ed.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.slowpath.in2out_ed.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.slowpath.in2out_ed.x, sw_if_index); \
+ vlib_validate_simple_counter (&sm->counters.slowpath.out2in_ed.x, \
+ sw_if_index); \
+ vlib_zero_simple_counter (&sm->counters.slowpath.out2in_ed.x, sw_if_index);
+ foreach_nat_counter;
+#undef _
+ vlib_validate_simple_counter (&sm->counters.hairpinning, sw_if_index);
+ vlib_zero_simple_counter (&sm->counters.hairpinning, sw_if_index);
+}
+
+void
+expire_per_vrf_sessions (u32 fib_index)
+{
+ per_vrf_sessions_t *per_vrf_sessions;
+ snat_main_per_thread_data_t *tsm;
+ snat_main_t *sm = &snat_main;
+
+ /* *INDENT-OFF* */
+ vec_foreach (tsm, sm->per_thread_data)
+ {
+ vec_foreach (per_vrf_sessions, tsm->per_vrf_sessions_vec)
+ {
+ if ((per_vrf_sessions->rx_fib_index == fib_index) ||
+ (per_vrf_sessions->tx_fib_index == fib_index))
+ {
+ per_vrf_sessions->expired = 1;
+ }
+ }
+ }
+ /* *INDENT-ON* */
+}
+
+void
+update_per_vrf_sessions_vec (u32 fib_index, int is_del)
+{
+ snat_main_t *sm = &snat_main;
+ nat_fib_t *fib;
+
+ // we don't care if it is outside/inside fib
+ // we just care about their ref_count
+ // if it reaches 0 sessions should expire
+ // because the fib isn't valid for NAT anymore
+
+ vec_foreach (fib, sm->fibs)
+ {
+ if (fib->fib_index == fib_index)
+ {
+ if (is_del)
+ {
+ fib->ref_count--;
+ if (!fib->ref_count)
+ {
+ vec_del1 (sm->fibs, fib - sm->fibs);
+ expire_per_vrf_sessions (fib_index);
+ }
+ return;
+ }
+ else
+ fib->ref_count++;
+ }
+ }
+ if (!is_del)
+ {
+ vec_add2 (sm->fibs, fib, 1);
+ fib->ref_count = 1;
+ fib->fib_index = fib_index;
+ }
+}
+
int
snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
{
const char *feature_name, *del_feature_name;
snat_address_t *ap;
snat_static_mapping_t *m;
- snat_det_map_t *dm;
nat_outside_fib_t *outside_fib;
u32 fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4,
sw_if_index);
feature_name = is_inside ? "nat44-in2out-fast" : "nat44-out2in-fast";
else
{
- if (sm->num_workers > 1 && !sm->deterministic)
+ if (sm->num_workers > 1)
feature_name =
is_inside ? "nat44-in2out-worker-handoff" :
"nat44-out2in-worker-handoff";
- else if (sm->deterministic)
- feature_name = is_inside ? "nat44-det-in2out" : "nat44-det-out2in";
else if (sm->endpoint_dependent)
{
feature_name = is_inside ? "nat-pre-in2out" : "nat-pre-out2in";
feature_name = is_inside ? "nat44-in2out" : "nat44-out2in";
}
- if (sm->fq_in2out_index == ~0 && !sm->deterministic && sm->num_workers > 1)
+ if (sm->fq_in2out_index == ~0 && sm->num_workers > 1)
sm->fq_in2out_index =
vlib_frame_queue_main_init (sm->in2out_node_index, NAT_FQ_NELTS);
- if (sm->fq_out2in_index == ~0 && !sm->deterministic && sm->num_workers > 1)
+ if (sm->fq_out2in_index == ~0 && sm->num_workers > 1)
sm->fq_out2in_index =
vlib_frame_queue_main_init (sm->out2in_node_index, NAT_FQ_NELTS);
+ if (sm->endpoint_dependent)
+ update_per_vrf_sessions_vec (fib_index, is_del);
+
if (!is_inside)
{
/* *INDENT-OFF* */
outside_fib->fib_index = fib_index;
}
}
+
feature_set:
/* *INDENT-OFF* */
pool_foreach (i, sm->interfaces,
else
i->flags &= ~NAT_INTERFACE_FLAG_IS_OUTSIDE;
- if (sm->num_workers > 1 && !sm->deterministic)
+ if (sm->num_workers > 1)
{
del_feature_name = "nat44-handoff-classify";
feature_name = !is_inside ? "nat44-in2out-worker-handoff" :
"nat44-out2in-worker-handoff";
}
- else if (sm->deterministic)
- {
- del_feature_name = "nat44-det-classify";
- feature_name = !is_inside ? "nat44-det-in2out" :
- "nat44-det-out2in";
- }
else if (sm->endpoint_dependent)
{
del_feature_name = "nat44-ed-classify";
vnet_feature_enable_disable ("ip4-local",
"nat44-ed-hairpinning",
sw_if_index, 1, 0, 0);
- else if (!sm->deterministic)
+ else
vnet_feature_enable_disable ("ip4-local",
"nat44-hairpinning",
sw_if_index, 1, 0, 0);
vnet_feature_enable_disable ("ip4-local",
"nat44-ed-hairpinning",
sw_if_index, 0, 0, 0);
- else if (!sm->deterministic)
+ else
vnet_feature_enable_disable ("ip4-local",
"nat44-hairpinning",
sw_if_index, 0, 0, 0);
(nat_interface_is_outside(i) && !is_inside))
return 0;
- if (sm->num_workers > 1 && !sm->deterministic)
+ if (sm->num_workers > 1)
{
del_feature_name = !is_inside ? "nat44-in2out-worker-handoff" :
"nat44-out2in-worker-handoff";
feature_name = "nat44-handoff-classify";
}
- else if (sm->deterministic)
- {
- del_feature_name = !is_inside ? "nat44-det-in2out" :
- "nat44-det-out2in";
- feature_name = "nat44-det-classify";
- }
else if (sm->endpoint_dependent)
{
del_feature_name = !is_inside ? "nat-pre-in2out" :
if (sm->endpoint_dependent)
vnet_feature_enable_disable ("ip4-local", "nat44-ed-hairpinning",
sw_if_index, 0, 0, 0);
- else if (!sm->deterministic)
+ else
vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
sw_if_index, 0, 0, 0);
}
pool_get (sm->interfaces, i);
i->sw_if_index = sw_if_index;
i->flags = 0;
+ nat_validate_counters (sm, sw_if_index);
+
vnet_feature_enable_disable ("ip4-unicast", feature_name, sw_if_index, 1, 0,
0);
if (sm->endpoint_dependent)
vnet_feature_enable_disable ("ip4-local", "nat44-ed-hairpinning",
sw_if_index, 1, 0, 0);
- else if (!sm->deterministic)
+ else
vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
sw_if_index, 1, 0, 0);
}
snat_add_del_addr_to_fib(&m->external_addr, 32, sw_if_index, !is_del);
}));
-
- pool_foreach (dm, sm->det_maps,
- ({
- snat_add_del_addr_to_fib(&dm->out_addr, dm->out_plen, sw_if_index, !is_del);
- }));
/* *INDENT-ON* */
return 0;
u32 fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4,
sw_if_index);
-
- if (sm->deterministic ||
- (sm->static_mapping_only && !(sm->static_mapping_connection_tracking)))
+ if (sm->static_mapping_only && !(sm->static_mapping_connection_tracking))
return VNET_API_ERROR_UNSUPPORTED;
/* *INDENT-OFF* */
}));
/* *INDENT-ON* */
+ if (sm->endpoint_dependent)
+ update_per_vrf_sessions_vec (fib_index, is_del);
+
if (!is_inside)
{
/* *INDENT-OFF* */
pool_get (sm->output_feature_interfaces, i);
i->sw_if_index = sw_if_index;
i->flags = 0;
+ nat_validate_counters (sm, sw_if_index);
if (is_inside)
i->flags |= NAT_INTERFACE_FLAG_IS_INSIDE;
else
u32 if_address_index, u32 is_delete);
static int
-nat_alloc_addr_and_port_default (snat_address_t * addresses,
- u32 fib_index,
- u32 thread_index,
- snat_session_key_t * k,
+nat_alloc_addr_and_port_default (snat_address_t * addresses, u32 fib_index,
+ u32 thread_index, nat_protocol_t proto,
+ ip4_address_t * addr, u16 * port,
u16 port_per_thread, u32 snat_thread_index);
void
-test_ed_make_split ()
+test_key_calc_split ()
{
ip4_address_t l_addr;
l_addr.as_u8[0] = 1;
u32 thread_index = 3000000001;
u32 session_index = 3000000221;
clib_bihash_kv_16_8_t kv;
- make_ed_kv (&l_addr, &r_addr, proto, fib_index, l_port, r_port,
- thread_index, session_index, &kv);
+ init_ed_kv (&kv, l_addr, l_port, r_addr, r_port, fib_index, proto,
+ thread_index, session_index);
ip4_address_t l_addr2;
ip4_address_t r_addr2;
clib_memset (&l_addr2, 0, sizeof (l_addr2));
ASSERT (fib_index == fib_index2);
ASSERT (thread_index == ed_value_get_thread_index (&kv));
ASSERT (session_index == ed_value_get_session_index (&kv));
+
+ fib_index = 7001;
+ proto = 5;
+ nat_protocol_t proto3 = ~0;
+ u64 key = calc_nat_key (l_addr, l_port, fib_index, proto);
+ split_nat_key (key, &l_addr2, &l_port2, &fib_index2, &proto3);
+ ASSERT (l_addr.as_u32 == l_addr2.as_u32);
+ ASSERT (l_port == l_port2);
+ ASSERT (proto == proto3);
+ ASSERT (fib_index == fib_index2);
}
+static clib_error_t *
+nat_ip_table_add_del (vnet_main_t * vnm, u32 table_id, u32 is_add)
+{
+ snat_main_t *sm = &snat_main;
+ u32 fib_index;
+
+ if (sm->endpoint_dependent)
+ {
+ // TODO: consider removing all NAT interfaces
+
+ if (!is_add)
+ {
+ fib_index = ip4_fib_index_from_table_id (table_id);
+ if (fib_index != ~0)
+ expire_per_vrf_sessions (fib_index);
+ }
+ }
+ return 0;
+}
+
+VNET_IP_TABLE_ADD_DEL_FUNCTION (nat_ip_table_add_del);
+
+
static clib_error_t *
snat_init (vlib_main_t * vm)
{
node = vlib_get_node_by_name (vm, (u8 *) "nat44-ed-out2in-slowpath");
sm->ed_out2in_slowpath_node_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "nat44-det-in2out");
- sm->det_in2out_node_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "nat44-det-out2in");
- sm->det_out2in_node_index = node->index;
-
node = vlib_get_node_by_name (vm, (u8 *) "nat44-hairpinning");
sm->hairpinning_node_index = node->index;
node = vlib_get_node_by_name (vm, (u8 *) "nat44-hairpin-dst");
{
for (i = 0; i < sm->num_workers; i++)
bitmap = clib_bitmap_set (bitmap, i, 1);
- // sets thread indexes for workes
snat_set_workers (bitmap);
clib_bitmap_free (bitmap);
}
sm->total_sessions.stat_segment_name = "/nat44/total-sessions";
vlib_validate_simple_counter (&sm->total_sessions, 0);
vlib_zero_simple_counter (&sm->total_sessions, 0);
+ sm->user_limit_reached.name = "user-limit-reached";
+ sm->user_limit_reached.stat_segment_name = "/nat44/user-limit-reached";
+ vlib_validate_simple_counter (&sm->user_limit_reached, 0);
+ vlib_zero_simple_counter (&sm->user_limit_reached, 0);
+
+#define _(x) \
+ sm->counters.fastpath.in2out.x.name = #x; \
+ sm->counters.fastpath.in2out.x.stat_segment_name = \
+ "/nat44/in2out/fastpath/" #x; \
+ sm->counters.slowpath.in2out.x.name = #x; \
+ sm->counters.slowpath.in2out.x.stat_segment_name = \
+ "/nat44/in2out/slowpath/" #x; \
+ sm->counters.fastpath.out2in.x.name = #x; \
+ sm->counters.fastpath.out2in.x.stat_segment_name = \
+ "/nat44/out2in/fastpath/" #x; \
+ sm->counters.slowpath.out2in.x.name = #x; \
+ sm->counters.slowpath.out2in.x.stat_segment_name = \
+ "/nat44/out2in/slowpath/" #x; \
+ sm->counters.fastpath.in2out_ed.x.name = #x; \
+ sm->counters.fastpath.in2out_ed.x.stat_segment_name = \
+ "/nat44/ed/in2out/fastpath/" #x; \
+ sm->counters.slowpath.in2out_ed.x.name = #x; \
+ sm->counters.slowpath.in2out_ed.x.stat_segment_name = \
+ "/nat44/ed/in2out/slowpath/" #x; \
+ sm->counters.fastpath.out2in_ed.x.name = #x; \
+ sm->counters.fastpath.out2in_ed.x.stat_segment_name = \
+ "/nat44/ed/out2in/fastpath/" #x; \
+ sm->counters.slowpath.out2in_ed.x.name = #x; \
+ sm->counters.slowpath.out2in_ed.x.stat_segment_name = \
+ "/nat44/ed/out2in/slowpath/" #x;
+ foreach_nat_counter;
+#undef _
+ sm->counters.hairpinning.name = "hairpinning";
+ sm->counters.hairpinning.stat_segment_name = "/nat44/hairpinning";
/* Init IPFIX logging */
snat_ipfix_logging_init (vm);
if (error)
return error;
- nat66_init (vm);
-
ip4_table_bind_callback_t cbt4 = {
.function = snat_ip4_table_bind,
};
FIB_SOURCE_PRIORITY_LOW,
FIB_SOURCE_BH_SIMPLE);
- test_ed_make_split ();
+ test_key_calc_split ();
return error;
}
void
snat_free_outside_address_and_port (snat_address_t * addresses,
- u32 thread_index, snat_session_key_t * k)
+ u32 thread_index,
+ ip4_address_t * addr,
+ u16 port, nat_protocol_t protocol)
{
snat_address_t *a;
u32 address_index;
- u16 port_host_byte_order = clib_net_to_host_u16 (k->port);
+ u16 port_host_byte_order = clib_net_to_host_u16 (port);
for (address_index = 0; address_index < vec_len (addresses);
address_index++)
{
- if (addresses[address_index].addr.as_u32 == k->addr.as_u32)
+ if (addresses[address_index].addr.as_u32 == addr->as_u32)
break;
}
a = addresses + address_index;
- switch (k->protocol)
+ switch (protocol)
{
#define _(N, i, n, s) \
case NAT_PROTOCOL_##N: \
static int
nat_set_outside_address_and_port (snat_address_t * addresses,
- u32 thread_index, snat_session_key_t * k)
+ u32 thread_index, ip4_address_t addr,
+ u16 port, nat_protocol_t protocol)
{
snat_address_t *a = 0;
u32 address_index;
- u16 port_host_byte_order = clib_net_to_host_u16 (k->port);
+ u16 port_host_byte_order = clib_net_to_host_u16 (port);
for (address_index = 0; address_index < vec_len (addresses);
address_index++)
{
- if (addresses[address_index].addr.as_u32 != k->addr.as_u32)
+ if (addresses[address_index].addr.as_u32 != addr.as_u32)
continue;
a = addresses + address_index;
- switch (k->protocol)
+ switch (protocol)
{
#define _(N, j, n, s) \
case NAT_PROTOCOL_##N: \
int
snat_static_mapping_match (snat_main_t * sm,
- snat_session_key_t match,
- snat_session_key_t * mapping,
+ ip4_address_t match_addr,
+ u16 match_port,
+ u32 match_fib_index,
+ nat_protocol_t match_protocol,
+ ip4_address_t * mapping_addr,
+ u16 * mapping_port,
+ u32 * mapping_fib_index,
u8 by_external,
u8 * is_addr_only,
twice_nat_type_t * twice_nat,
{
clib_bihash_kv_8_8_t kv, value;
snat_static_mapping_t *m;
- snat_session_key_t m_key;
clib_bihash_8_8_t *mapping_hash = &sm->static_mapping_by_local;
u32 rand, lo = 0, hi, mid, *tmp = 0, i;
u8 backend_index;
nat44_lb_addr_port_t *local;
- m_key.fib_index = match.fib_index;
if (by_external)
{
mapping_hash = &sm->static_mapping_by_external;
- m_key.fib_index = 0;
- }
-
- m_key.addr = match.addr;
- m_key.port = clib_net_to_host_u16 (match.port);
- m_key.protocol = match.protocol;
-
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, match_addr, match_port, 0, match_protocol);
+ if (clib_bihash_search_8_8 (mapping_hash, &kv, &value))
+ {
+ /* Try address only mapping */
+ init_nat_k (&kv, match_addr, 0, 0, 0);
+ if (clib_bihash_search_8_8 (mapping_hash, &kv, &value))
+ return 1;
+ }
- if (clib_bihash_search_8_8 (mapping_hash, &kv, &value))
+ }
+ else
{
- /* Try address only mapping */
- m_key.port = 0;
- m_key.protocol = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, match_addr, match_port, match_fib_index,
+ match_protocol);
if (clib_bihash_search_8_8 (mapping_hash, &kv, &value))
- return 1;
+ {
+ /* Try address only mapping */
+ init_nat_k (&kv, match_addr, 0, match_fib_index, 0);
+ if (clib_bihash_search_8_8 (mapping_hash, &kv, &value))
+ return 1;
+ }
+
}
m = pool_elt_at_index (sm->static_mappings, value.value);
if (PREDICT_FALSE (lb != 0))
*lb = m->affinity ? AFFINITY_LB_NAT : LB_NAT;
if (m->affinity && !nat_affinity_find_and_lock (ext_host_addr[0],
- match.addr,
- match.protocol,
- match.port,
+ match_addr,
+ match_protocol,
+ match_port,
&backend_index))
{
local = pool_elt_at_index (m->locals, backend_index);
- mapping->addr = local->addr;
- mapping->port = clib_host_to_net_u16 (local->port);
- mapping->fib_index = local->fib_index;
+ *mapping_addr = local->addr;
+ *mapping_port = local->port;
+ *mapping_fib_index = local->fib_index;
goto end;
}
// pick locals matching this worker
local = pool_elt_at_index (m->locals, tmp[lo]);
if (!(local->prefix >= rand))
return 1;
- mapping->addr = local->addr;
- mapping->port = clib_host_to_net_u16 (local->port);
- mapping->fib_index = local->fib_index;
+ *mapping_addr = local->addr;
+ *mapping_port = local->port;
+ *mapping_fib_index = local->fib_index;
if (m->affinity)
{
- if (nat_affinity_create_and_lock (ext_host_addr[0], match.addr,
- match.protocol, match.port,
+ if (nat_affinity_create_and_lock (ext_host_addr[0], match_addr,
+ match_protocol, match_port,
tmp[lo], m->affinity,
m->affinity_per_service_list_head_index))
nat_elog_info ("create affinity record failed");
{
if (PREDICT_FALSE (lb != 0))
*lb = NO_LB_NAT;
- mapping->fib_index = m->fib_index;
- mapping->addr = m->local_addr;
+ *mapping_fib_index = m->fib_index;
+ *mapping_addr = m->local_addr;
/* Address only mapping doesn't change port */
- mapping->port = is_addr_only_static_mapping (m) ? match.port
- : clib_host_to_net_u16 (m->local_port);
+ *mapping_port = is_addr_only_static_mapping (m) ? match_port
+ : m->local_port;
}
- mapping->protocol = m->proto;
}
else
{
- mapping->addr = m->external_addr;
+ *mapping_addr = m->external_addr;
/* Address only mapping doesn't change port */
- mapping->port = is_addr_only_static_mapping (m) ? match.port
- : clib_host_to_net_u16 (m->external_port);
- mapping->fib_index = sm->outside_fib_index;
+ *mapping_port = is_addr_only_static_mapping (m) ? match_port
+ : m->external_port;
+ *mapping_fib_index = sm->outside_fib_index;
}
end:
return 0;
}
-static_always_inline u16
-snat_random_port (u16 min, u16 max)
-{
- snat_main_t *sm = &snat_main;
- return min + random_u32 (&sm->random_seed) /
- (random_u32_max () / (max - min + 1) + 1);
-}
-
int
snat_alloc_outside_address_and_port (snat_address_t * addresses,
u32 fib_index,
u32 thread_index,
- snat_session_key_t * k,
+ nat_protocol_t proto,
+ ip4_address_t * addr,
+ u16 * port,
u16 port_per_thread,
u32 snat_thread_index)
{
snat_main_t *sm = &snat_main;
- return sm->alloc_addr_and_port (addresses, fib_index, thread_index, k,
- port_per_thread, snat_thread_index);
+ return sm->alloc_addr_and_port (addresses, fib_index, thread_index, proto,
+ addr, port, port_per_thread,
+ snat_thread_index);
}
static int
nat_alloc_addr_and_port_default (snat_address_t * addresses,
u32 fib_index,
u32 thread_index,
- snat_session_key_t * k,
+ nat_protocol_t proto,
+ ip4_address_t * addr,
+ u16 * port,
u16 port_per_thread, u32 snat_thread_index)
{
int i;
for (i = 0; i < vec_len (addresses); i++)
{
a = addresses + i;
- switch (k->protocol)
+ switch (proto)
{
#define _(N, j, n, s) \
case NAT_PROTOCOL_##N: \
{ \
portnum = (port_per_thread * \
snat_thread_index) + \
- snat_random_port(1, port_per_thread) + 1024; \
+ snat_random_port(0, port_per_thread - 1) + 1024; \
if (a->busy_##n##_port_refcounts[portnum]) \
continue; \
--a->busy_##n##_port_refcounts[portnum]; \
a->busy_##n##_ports_per_thread[thread_index]++; \
a->busy_##n##_ports++; \
- k->addr = a->addr; \
- k->port = clib_host_to_net_u16(portnum); \
+ *addr = a->addr; \
+ *port = clib_host_to_net_u16(portnum); \
return 0; \
} \
} \
if (ga)
{
a = ga;
- switch (k->protocol)
+ switch (proto)
{
#define _(N, j, n, s) \
case NAT_PROTOCOL_##N: \
{ \
portnum = (port_per_thread * \
snat_thread_index) + \
- snat_random_port(1, port_per_thread) + 1024; \
+ snat_random_port(0, port_per_thread - 1) + 1024; \
if (a->busy_##n##_port_refcounts[portnum]) \
continue; \
++a->busy_##n##_port_refcounts[portnum]; \
a->busy_##n##_ports_per_thread[thread_index]++; \
a->busy_##n##_ports++; \
- k->addr = a->addr; \
- k->port = clib_host_to_net_u16(portnum); \
+ *addr = a->addr; \
+ *port = clib_host_to_net_u16(portnum); \
return 0; \
}
break;
}
static int
-nat_alloc_addr_and_port_mape (snat_address_t * addresses,
- u32 fib_index,
- u32 thread_index,
- snat_session_key_t * k,
+nat_alloc_addr_and_port_mape (snat_address_t * addresses, u32 fib_index,
+ u32 thread_index, nat_protocol_t proto,
+ ip4_address_t * addr, u16 * port,
u16 port_per_thread, u32 snat_thread_index)
{
snat_main_t *sm = &snat_main;
if (!vec_len (addresses))
goto exhausted;
- switch (k->protocol)
+ switch (proto)
{
#define _(N, i, n, s) \
case NAT_PROTOCOL_##N: \
continue; \
++a->busy_##n##_port_refcounts[portnum]; \
a->busy_##n##_ports++; \
- k->addr = a->addr; \
- k->port = clib_host_to_net_u16 (portnum); \
+ *addr = a->addr; \
+ *port = clib_host_to_net_u16 (portnum); \
return 0; \
} \
} \
}
static int
-nat_alloc_addr_and_port_range (snat_address_t * addresses,
- u32 fib_index,
- u32 thread_index,
- snat_session_key_t * k,
+nat_alloc_addr_and_port_range (snat_address_t * addresses, u32 fib_index,
+ u32 thread_index, nat_protocol_t proto,
+ ip4_address_t * addr, u16 * port,
u16 port_per_thread, u32 snat_thread_index)
{
snat_main_t *sm = &snat_main;
if (!vec_len (addresses))
goto exhausted;
- switch (k->protocol)
+ switch (proto)
{
#define _(N, i, n, s) \
case NAT_PROTOCOL_##N: \
continue; \
++a->busy_##n##_port_refcounts[portnum]; \
a->busy_##n##_ports++; \
- k->addr = a->addr; \
- k->port = clib_host_to_net_u16 (portnum); \
+ *addr = a->addr; \
+ *port = clib_host_to_net_u16 (portnum); \
return 0; \
} \
} \
format_session_kvp (u8 * s, va_list * args)
{
clib_bihash_kv_8_8_t *v = va_arg (*args, clib_bihash_kv_8_8_t *);
- snat_session_key_t k;
- k.as_u64 = v->key;
-
- s = format (s, "%U session-index %llu", format_snat_key, &k, v->value);
+ s = format (s, "%U session-index %llu", format_snat_key, v->key, v->value);
return s;
}
format_static_mapping_kvp (u8 * s, va_list * args)
{
clib_bihash_kv_8_8_t *v = va_arg (*args, clib_bihash_kv_8_8_t *);
- snat_session_key_t k;
-
- k.as_u64 = v->key;
s = format (s, "%U static-mapping-index %llu",
- format_static_mapping_key, &k, v->value);
+ format_snat_key, v->key, v->value);
return s;
}
snat_main_t *sm = &snat_main;
udp_header_t *udp;
u16 port;
- snat_session_key_t m_key;
clib_bihash_kv_8_8_t kv, value;
snat_static_mapping_t *m;
u32 proto;
/* first try static mappings without port */
if (PREDICT_FALSE (pool_elts (sm->static_mappings)))
{
- m_key.addr = ip0->dst_address;
- m_key.port = 0;
- m_key.protocol = 0;
- m_key.fib_index = rx_fib_index0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, ip0->dst_address, 0, rx_fib_index0, 0);
if (!clib_bihash_search_8_8
(&sm->static_mapping_by_external, &kv, &value))
{
/* try static mappings with port */
if (PREDICT_FALSE (pool_elts (sm->static_mappings)))
{
- m_key.addr = ip0->dst_address;
- m_key.port = clib_net_to_host_u16 (port);
- m_key.protocol = proto;
- m_key.fib_index = rx_fib_index0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, ip0->dst_address, port, rx_fib_index0, proto);
if (!clib_bihash_search_8_8
(&sm->static_mapping_by_external, &kv, &value))
{
break;
}
- make_ed_kv (&ip->src_address, &ip->dst_address,
- ip->protocol, fib_index, udp->src_port, udp->dst_port,
- ~0, ~0, &kv16);
+ init_ed_k (&kv16, ip->src_address, udp->src_port, ip->dst_address,
+ udp->dst_port, fib_index, ip->protocol);
if (PREDICT_TRUE (!clib_bihash_search_16_8 (&sm->out2in_ed,
&kv16, &value16)))
{
udp = ip4_next_header (ip);
- make_ed_kv (&ip->dst_address, &ip->src_address,
- ip->protocol, rx_fib_index, udp->dst_port, udp->src_port,
- ~0, ~0, &kv16);
+ init_ed_k (&kv16, ip->dst_address, udp->dst_port, ip->src_address,
+ udp->src_port, rx_fib_index, ip->protocol);
if (PREDICT_TRUE (!clib_bihash_search_16_8 (&sm->out2in_ed,
&kv16, &value16)))
/* first try static mappings without port */
if (PREDICT_FALSE (pool_elts (sm->static_mappings)))
{
- make_sm_kv (&kv, &ip->dst_address, 0, 0, 0);
+ init_nat_k (&kv, ip->dst_address, 0, 0, 0);
if (!clib_bihash_search_8_8
(&sm->static_mapping_by_external, &kv, &value))
{
/* try static mappings with port */
if (PREDICT_FALSE (pool_elts (sm->static_mappings)))
{
- make_sm_kv (&kv, &ip->dst_address, proto, 0,
- clib_net_to_host_u16 (port));
+ init_nat_k (&kv, ip->dst_address, proto, 0, port);
if (!clib_bihash_search_8_8
(&sm->static_mapping_by_external, &kv, &value))
{
{
snat_main_t *sm = &snat_main;
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
- snat_session_key_t key;
snat_user_t *u;
snat_session_t *s;
clib_bihash_kv_8_8_t kv;
},
};
- key.addr.as_u32 = out_addr->as_u32;
- key.port = out_port;
- key.protocol = proto;
-
if (!(flags & SNAT_SESSION_FLAG_STATIC_MAPPING))
{
if (nat_set_outside_address_and_port
- (sm->addresses, thread_index, &key))
+ (sm->addresses, thread_index, *out_addr, out_port, proto))
return;
}
if (sm->endpoint_dependent)
{
- nat_ed_lru_insert (tsm, s, now, proto);
+ nat_ed_lru_insert (tsm, s, now, nat_proto_to_ip_proto (proto));
}
+ s->out2in.addr.as_u32 = out_addr->as_u32;
+ s->out2in.port = out_port;
+ s->nat_proto = proto;
s->last_heard = now;
s->flags = flags;
s->ext_host_addr.as_u32 = eh_addr->as_u32;
switch (vec_len (sm->outside_fibs))
{
case 0:
- key.fib_index = sm->outside_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
break;
case 1:
- key.fib_index = sm->outside_fibs[0].fib_index;
+ s->out2in.fib_index = sm->outside_fibs[0].fib_index;
break;
default:
/* *INDENT-OFF* */
{
if (fib_entry_get_resolving_interface (fei) != ~0)
{
- key.fib_index = outside_fib->fib_index;
+ s->out2in.fib_index = outside_fib->fib_index;
break;
}
}
/* *INDENT-ON* */
break;
}
- s->out2in = key;
- kv.key = key.as_u64;
- kv.value = s - tsm->sessions;
+ init_nat_o2i_kv (&kv, s, s - tsm->sessions);
if (clib_bihash_add_del_8_8 (&tsm->out2in, &kv, 1))
nat_elog_warn ("out2in key add failed");
- key.addr.as_u32 = in_addr->as_u32;
- key.port = in_port;
- key.fib_index = fib_index;
- s->in2out = key;
- kv.key = key.as_u64;
+ s->in2out.addr.as_u32 = in_addr->as_u32;
+ s->in2out.port = in_port;
+ s->in2out.fib_index = fib_index;
+ init_nat_i2o_kv (&kv, s, s - tsm->sessions);
if (clib_bihash_add_del_8_8 (&tsm->in2out, &kv, 1))
nat_elog_warn ("in2out key add failed");
}
u32 ti)
{
snat_main_t *sm = &snat_main;
- snat_session_key_t key;
clib_bihash_kv_8_8_t kv, value;
u32 thread_index;
snat_session_t *s;
thread_index = sm->num_workers;
tsm = vec_elt_at_index (sm->per_thread_data, thread_index);
- key.addr.as_u32 = out_addr->as_u32;
- key.port = out_port;
- key.protocol = proto;
- key.fib_index = fib_index;
- kv.key = key.as_u64;
+ init_nat_k (&kv, *out_addr, out_port, fib_index, proto);
if (clib_bihash_search_8_8 (&tsm->out2in, &kv, &value))
return;
u32 total_pkts, u64 total_bytes, u32 thread_index)
{
snat_main_t *sm = &snat_main;
- snat_session_key_t key;
clib_bihash_kv_8_8_t kv, value;
snat_session_t *s;
snat_main_per_thread_data_t *tsm;
tsm = vec_elt_at_index (sm->per_thread_data, thread_index);
- key.addr.as_u32 = out_addr->as_u32;
- key.port = out_port;
- key.protocol = proto;
- key.fib_index = fib_index;
- kv.key = key.as_u64;
+ init_nat_k (&kv, *out_addr, out_port, fib_index, proto);
if (clib_bihash_search_8_8 (&tsm->out2in, &kv, &value))
return;
{
snat_main_t *sm = &snat_main;
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
- snat_session_key_t key;
snat_session_t *s;
clib_bihash_kv_16_8_t kv;
vlib_main_t *vm = vlib_get_main ();
},
};
- key.addr.as_u32 = out_addr->as_u32;
- key.port = out_port;
- key.protocol = proto;
if (!(flags & SNAT_SESSION_FLAG_STATIC_MAPPING))
{
if (nat_set_outside_address_and_port
- (sm->addresses, thread_index, &key))
+ (sm->addresses, thread_index, *out_addr, out_port, proto))
return;
}
- key.addr.as_u32 = ehn_addr->as_u32;
- key.port = ehn_port;
if (flags & SNAT_SESSION_FLAG_TWICE_NAT)
{
if (nat_set_outside_address_and_port
- (sm->twice_nat_addresses, thread_index, &key))
+ (sm->addresses, thread_index, *ehn_addr, ehn_port, proto))
return;
}
switch (vec_len (sm->outside_fibs))
{
case 0:
- key.fib_index = sm->outside_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
break;
case 1:
- key.fib_index = sm->outside_fibs[0].fib_index;
+ s->out2in.fib_index = sm->outside_fibs[0].fib_index;
break;
default:
/* *INDENT-OFF* */
{
if (fib_entry_get_resolving_interface (fei) != ~0)
{
- key.fib_index = outside_fib->fib_index;
+ s->out2in.fib_index = outside_fib->fib_index;
break;
}
}
/* *INDENT-ON* */
break;
}
- key.addr.as_u32 = out_addr->as_u32;
- key.port = out_port;
- s->out2in = key;
- kv.value = s - tsm->sessions;
-
- key.addr.as_u32 = in_addr->as_u32;
- key.port = in_port;
- key.fib_index = fib_index;
- s->in2out = key;
-
- make_ed_kv (in_addr, &s->ext_host_nat_addr,
- nat_proto_to_ip_proto (proto), fib_index, in_port,
- s->ext_host_nat_port, thread_index, s - tsm->sessions, &kv);
+ s->nat_proto = proto;
+ s->out2in.addr.as_u32 = out_addr->as_u32;
+ s->out2in.port = out_port;
+
+ s->in2out.addr.as_u32 = in_addr->as_u32;
+ s->in2out.port = in_port;
+ s->in2out.fib_index = fib_index;
+
+ init_ed_kv (&kv, *in_addr, in_port, s->ext_host_nat_addr,
+ s->ext_host_nat_port, fib_index, nat_proto_to_ip_proto (proto),
+ thread_index, s - tsm->sessions);
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &kv, 1))
nat_elog_warn ("in2out key add failed");
- make_ed_kv (out_addr, eh_addr, nat_proto_to_ip_proto (proto),
- s->out2in.fib_index, out_port, eh_port, thread_index,
- s - tsm->sessions, &kv);
+ init_ed_kv (&kv, *out_addr, out_port, *eh_addr, eh_port,
+ s->out2in.fib_index, nat_proto_to_ip_proto (proto),
+ thread_index, s - tsm->sessions);
if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &kv, 1))
nat_elog_warn ("out2in key add failed");
}
thread_index = sm->num_workers;
tsm = vec_elt_at_index (sm->per_thread_data, thread_index);
- make_ed_kv (out_addr, eh_addr, proto, fib_index, out_port, eh_port, ~0, ~0,
- &kv);
+ init_ed_k (&kv, *out_addr, out_port, *eh_addr, eh_port, fib_index, proto);
if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value))
return;
tsm = vec_elt_at_index (sm->per_thread_data, thread_index);
- make_ed_kv (out_addr, eh_addr, proto, fib_index, out_port, eh_port, ~0, ~0,
- &kv);
+ init_ed_k (&kv, *out_addr, out_port, *eh_addr, eh_port, fib_index, proto);
if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value))
return;
s->total_bytes = total_bytes;
}
+static u32
+nat_calc_bihash_buckets (u32 n_elts)
+{
+ return 1 << (max_log2 (n_elts >> 1) + 1);
+}
+
+static u32
+nat_calc_bihash_memory (u32 n_buckets, uword kv_size)
+{
+ return n_buckets * (8 + kv_size * 4);
+}
+
+u32
+nat44_get_max_session_limit ()
+{
+ snat_main_t *sm = &snat_main;
+ u32 max_limit = 0, len = 0;
+
+ for (; len < vec_len (sm->max_translations_per_fib); len++)
+ {
+ if (max_limit < sm->max_translations_per_fib[len])
+ max_limit = sm->max_translations_per_fib[len];
+ }
+ return max_limit;
+}
+
+int
+nat44_set_session_limit (u32 session_limit, u32 vrf_id)
+{
+ snat_main_t *sm = &snat_main;
+ u32 fib_index = fib_table_find (FIB_PROTOCOL_IP4, vrf_id);
+ u32 len = vec_len (sm->max_translations_per_fib);
+
+ if (len <= fib_index)
+ {
+ vec_validate (sm->max_translations_per_fib, fib_index + 1);
+
+ for (; len < vec_len (sm->max_translations_per_fib); len++)
+ sm->max_translations_per_fib[len] = sm->max_translations_per_thread;
+ }
+
+ sm->max_translations_per_fib[fib_index] = session_limit;
+ return 0;
+}
+
+int
+nat44_update_session_limit (u32 session_limit, u32 vrf_id)
+{
+ snat_main_t *sm = &snat_main;
+
+ if (nat44_set_session_limit (session_limit, vrf_id))
+ return 1;
+ sm->max_translations_per_thread = nat44_get_max_session_limit ();
+
+ sm->translation_buckets =
+ nat_calc_bihash_buckets (sm->max_translations_per_thread);
+
+ if (!sm->translation_memory_size_set)
+ {
+ sm->translation_memory_size =
+ nat_calc_bihash_memory (sm->translation_buckets,
+ sizeof (clib_bihash_16_8_t));
+ }
+
+ nat44_sessions_clear ();
+ return 0;
+}
+
void
nat44_db_init (snat_main_per_thread_data_t * tsm)
{
snat_main_t *sm = &snat_main;
- pool_alloc (tsm->sessions, sm->max_translations);
- pool_alloc (tsm->lru_pool, sm->max_translations);
+ pool_alloc (tsm->sessions, sm->max_translations_per_thread);
+ pool_alloc (tsm->lru_pool, sm->max_translations_per_thread);
dlist_elt_t *head;
sm->translation_memory_size);
clib_bihash_set_kvp_format_fn_16_8 (&tsm->in2out_ed,
format_ed_session_kvp);
+
}
else
{
}
// TODO: resolve static mappings (put only to !ED)
- pool_alloc (tsm->list_pool, sm->max_translations);
+ pool_alloc (tsm->list_pool, sm->max_translations_per_thread);
clib_bihash_init_8_8 (&tsm->user_hash, "users", sm->user_buckets,
sm->user_memory_size);
clib_bihash_set_kvp_format_fn_8_8 (&tsm->user_hash, format_user_kvp);
if (sm->endpoint_dependent)
{
clib_bihash_free_16_8 (&tsm->in2out_ed);
+ vec_free (tsm->per_vrf_sessions_vec);
}
else
{
nat44_db_init (tsm);
ti = tsm->snat_thread_index;
- // clear per thread session counters
vlib_set_simple_counter (&sm->total_users, ti, 0, 0);
vlib_set_simple_counter (&sm->total_sessions, ti, 0, 0);
}
snat_config (vlib_main_t * vm, unformat_input_t * input)
{
snat_main_t *sm = &snat_main;
- nat66_main_t *nm = &nat66_main;
snat_main_per_thread_data_t *tsm;
u32 static_mapping_buckets = 1024;
u32 nat64_st_buckets = 2048;
uword nat64_st_memory_size = 256 << 20;
- u32 user_buckets = 128;
- uword user_memory_size = 64 << 20;
- u32 translation_buckets = 1024;
- uword translation_memory_size = 128 << 20;
+ u32 max_users_per_thread = 0;
+ u32 user_memory_size = 0;
+ u32 max_translations_per_thread = 0;
+ u32 translation_memory_size = 0;
u32 max_translations_per_user = ~0;
u8 static_mapping_only = 0;
u8 static_mapping_connection_tracking = 0;
- // configurable timeouts
u32 udp_timeout = SNAT_UDP_TIMEOUT;
u32 icmp_timeout = SNAT_ICMP_TIMEOUT;
u32 tcp_transitory_timeout = SNAT_TCP_TRANSITORY_TIMEOUT;
u32 tcp_established_timeout = SNAT_TCP_ESTABLISHED_TIMEOUT;
- sm->deterministic = 0;
sm->out2in_dpo = 0;
sm->endpoint_dependent = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat
- (input, "translation hash buckets %d", &translation_buckets))
+ (input, "max translations per thread %d",
+ &max_translations_per_thread))
;
else if (unformat (input, "udp timeout %d", &udp_timeout))
;
&tcp_established_timeout));
else if (unformat (input, "translation hash memory %d",
&translation_memory_size));
- else if (unformat (input, "user hash buckets %d", &user_buckets))
+ else
+ if (unformat
+ (input, "max users per thread %d", &max_users_per_thread))
;
else if (unformat (input, "user hash memory %d", &user_memory_size))
;
if (unformat (input, "connection tracking"))
static_mapping_connection_tracking = 1;
}
- else if (unformat (input, "deterministic"))
- sm->deterministic = 1;
else if (unformat (input, "nat64 bib hash buckets %d",
&nat64_bib_buckets))
;
;
else if (unformat (input, "out2in dpo"))
sm->out2in_dpo = 1;
- //else if (unformat (input, "dslite ce"))
- //dslite_set_ce (dm, 1);
else if (unformat (input, "endpoint-dependent"))
sm->endpoint_dependent = 1;
else
format_unformat_error, input);
}
- if (sm->deterministic && sm->endpoint_dependent)
- return clib_error_return (0,
- "deterministic and endpoint-dependent modes are mutually exclusive");
-
- if (static_mapping_only && (sm->deterministic || sm->endpoint_dependent))
+ if (static_mapping_only && (sm->endpoint_dependent))
return clib_error_return (0,
"static mapping only mode available only for simple nat");
- if (sm->out2in_dpo && (sm->deterministic || sm->endpoint_dependent))
+ if (sm->out2in_dpo && (sm->endpoint_dependent))
return clib_error_return (0,
"out2in dpo mode available only for simple nat");
+ if (sm->endpoint_dependent && max_users_per_thread > 0)
+ {
+ return clib_error_return (0,
+ "setting 'max users' in endpoint-dependent mode is not supported");
+ }
+
+ if (sm->endpoint_dependent && max_translations_per_user != ~0)
+ {
+ return clib_error_return (0,
+ "setting 'max translations per user' in endpoint-dependent mode is not supported");
+ }
/* optionally configurable timeouts for testing purposes */
sm->udp_timeout = udp_timeout;
sm->tcp_established_timeout = tcp_established_timeout;
sm->icmp_timeout = icmp_timeout;
- sm->user_buckets = user_buckets;
- sm->user_memory_size = user_memory_size;
+ if (0 == max_users_per_thread)
+ {
+ max_users_per_thread = 1024;
+ }
+ sm->max_users_per_thread = max_users_per_thread;
+ sm->user_buckets = nat_calc_bihash_buckets (sm->max_users_per_thread);
- sm->translation_buckets = translation_buckets;
+ if (0 == max_translations_per_thread)
+ {
+ // default value based on legacy setting of load factor 10 * default
+ // translation buckets 1024
+ max_translations_per_thread = 10 * 1024;
+ }
+ sm->translation_memory_size_set = translation_memory_size != 0;
+
+ sm->max_translations_per_thread = max_translations_per_thread;
+ sm->translation_buckets =
+ nat_calc_bihash_buckets (sm->max_translations_per_thread);
+ if (0 == translation_memory_size)
+ {
+ translation_memory_size =
+ nat_calc_bihash_memory (sm->translation_buckets,
+ sizeof (clib_bihash_16_8_t));
+ }
sm->translation_memory_size = translation_memory_size;
- /* do not exceed load factor 10 */
- sm->max_translations = 10 * translation_buckets;
- vec_add1 (sm->max_translations_per_fib, sm->max_translations);
+ if (0 == user_memory_size)
+ {
+ user_memory_size =
+ nat_calc_bihash_memory (sm->max_users_per_thread,
+ sizeof (clib_bihash_8_8_t));
+ }
+ sm->user_memory_size = user_memory_size;
+ vec_add1 (sm->max_translations_per_fib, sm->max_translations_per_thread);
sm->max_translations_per_user = max_translations_per_user == ~0 ?
- sm->max_translations : max_translations_per_user;
+ sm->max_translations_per_thread : max_translations_per_user;
sm->outside_vrf_id = outside_vrf_id;
sm->outside_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
outside_vrf_id,
nat_fib_src_hi);
- nm->outside_vrf_id = outside_ip6_vrf_id;
- nm->outside_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
- outside_ip6_vrf_id,
- nat_fib_src_hi);
sm->inside_vrf_id = inside_vrf_id;
sm->inside_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
inside_vrf_id,
nat64_set_hash (nat64_bib_buckets, nat64_bib_memory_size, nat64_st_buckets,
nat64_st_memory_size);
- if (sm->deterministic)
+ if (sm->endpoint_dependent)
{
- sm->in2out_node_index = snat_det_in2out_node.index;
- sm->in2out_output_node_index = ~0;
- sm->out2in_node_index = snat_det_out2in_node.index;
- sm->icmp_match_in2out_cb = icmp_match_in2out_det;
- sm->icmp_match_out2in_cb = icmp_match_out2in_det;
+ sm->worker_in2out_cb = nat44_ed_get_worker_in2out_cb;
+ sm->worker_out2in_cb = nat44_ed_get_worker_out2in_cb;
+
+ sm->in2out_node_index = nat44_ed_in2out_node.index;
+ sm->in2out_output_node_index = nat44_ed_in2out_output_node.index;
+ sm->out2in_node_index = nat44_ed_out2in_node.index;
+
+ sm->icmp_match_in2out_cb = icmp_match_in2out_ed;
+ sm->icmp_match_out2in_cb = icmp_match_out2in_ed;
+ nat_affinity_init (vm);
+ nat_ha_init (vm, nat_ha_sadd_ed_cb, nat_ha_sdel_ed_cb,
+ nat_ha_sref_ed_cb);
+ clib_bihash_init_16_8 (&sm->out2in_ed, "out2in-ed",
+ clib_max (1, sm->num_workers) *
+ sm->translation_buckets,
+ clib_max (1, sm->num_workers) *
+ sm->translation_memory_size);
+ clib_bihash_set_kvp_format_fn_16_8 (&sm->out2in_ed,
+ format_ed_session_kvp);
}
else
{
- if (sm->endpoint_dependent)
- {
- sm->worker_in2out_cb = nat44_ed_get_worker_in2out_cb;
- sm->worker_out2in_cb = nat44_ed_get_worker_out2in_cb;
-
- sm->in2out_node_index = nat44_ed_in2out_node.index;
- sm->in2out_output_node_index = nat44_ed_in2out_output_node.index;
- sm->out2in_node_index = nat44_ed_out2in_node.index;
-
- sm->icmp_match_in2out_cb = icmp_match_in2out_ed;
- sm->icmp_match_out2in_cb = icmp_match_out2in_ed;
- nat_affinity_init (vm);
- nat_ha_init (vm, nat_ha_sadd_ed_cb, nat_ha_sdel_ed_cb,
- nat_ha_sref_ed_cb);
- clib_bihash_init_16_8 (&sm->out2in_ed, "out2in-ed",
- translation_buckets,
- translation_memory_size);
- clib_bihash_set_kvp_format_fn_16_8 (&sm->out2in_ed,
- format_ed_session_kvp);
- }
- else
- {
- sm->worker_in2out_cb = snat_get_worker_in2out_cb;
- sm->worker_out2in_cb = snat_get_worker_out2in_cb;
+ sm->worker_in2out_cb = snat_get_worker_in2out_cb;
+ sm->worker_out2in_cb = snat_get_worker_out2in_cb;
- sm->in2out_node_index = snat_in2out_node.index;
- sm->in2out_output_node_index = snat_in2out_output_node.index;
- sm->out2in_node_index = snat_out2in_node.index;
+ sm->in2out_node_index = snat_in2out_node.index;
+ sm->in2out_output_node_index = snat_in2out_output_node.index;
+ sm->out2in_node_index = snat_out2in_node.index;
- sm->icmp_match_in2out_cb = icmp_match_in2out_slow;
- sm->icmp_match_out2in_cb = icmp_match_out2in_slow;
- nat_ha_init (vm, nat_ha_sadd_cb, nat_ha_sdel_cb, nat_ha_sref_cb);
- }
- if (!static_mapping_only ||
- (static_mapping_only && static_mapping_connection_tracking))
- {
+ sm->icmp_match_in2out_cb = icmp_match_in2out_slow;
+ sm->icmp_match_out2in_cb = icmp_match_out2in_slow;
+ nat_ha_init (vm, nat_ha_sadd_cb, nat_ha_sdel_cb, nat_ha_sref_cb);
+ }
+ if (!static_mapping_only ||
+ (static_mapping_only && static_mapping_connection_tracking))
+ {
/* *INDENT-OFF* */
vec_foreach (tsm, sm->per_thread_data)
{
nat44_db_init (tsm);
}
/* *INDENT-ON* */
- }
- else
- {
- sm->icmp_match_in2out_cb = icmp_match_in2out_fast;
- sm->icmp_match_out2in_cb = icmp_match_out2in_fast;
- }
- clib_bihash_init_8_8 (&sm->static_mapping_by_local,
- "static_mapping_by_local", static_mapping_buckets,
- static_mapping_memory_size);
- clib_bihash_set_kvp_format_fn_8_8 (&sm->static_mapping_by_local,
- format_static_mapping_kvp);
-
- clib_bihash_init_8_8 (&sm->static_mapping_by_external,
- "static_mapping_by_external",
- static_mapping_buckets,
- static_mapping_memory_size);
- clib_bihash_set_kvp_format_fn_8_8 (&sm->static_mapping_by_external,
- format_static_mapping_kvp);
}
+ else
+ {
+ sm->icmp_match_in2out_cb = icmp_match_in2out_fast;
+ sm->icmp_match_out2in_cb = icmp_match_out2in_fast;
+ }
+ clib_bihash_init_8_8 (&sm->static_mapping_by_local,
+ "static_mapping_by_local", static_mapping_buckets,
+ static_mapping_memory_size);
+ clib_bihash_set_kvp_format_fn_8_8 (&sm->static_mapping_by_local,
+ format_static_mapping_kvp);
+
+ clib_bihash_init_8_8 (&sm->static_mapping_by_external,
+ "static_mapping_by_external",
+ static_mapping_buckets, static_mapping_memory_size);
+ clib_bihash_set_kvp_format_fn_8_8 (&sm->static_mapping_by_external,
+ format_static_mapping_kvp);
return 0;
}
snat_main_t *sm = &snat_main;
snat_static_map_resolve_t *rp;
snat_static_mapping_t *m;
- snat_session_key_t m_key;
clib_bihash_kv_8_8_t kv, value;
int i, rv;
ip4_address_t l_addr;
return;
match:
- m_key.addr.as_u32 = address->as_u32;
- m_key.port = rp->addr_only ? 0 : rp->e_port;
- m_key.protocol = rp->addr_only ? 0 : rp->proto;
- m_key.fib_index = sm->outside_fib_index;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, *address, rp->addr_only ? 0 : rp->e_port,
+ sm->outside_fib_index, rp->addr_only ? 0 : rp->proto);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
m = 0;
else
clib_bihash_kv_8_8_t kv, value;
ip4_header_t ip;
u32 fib_index = fib_table_find (FIB_PROTOCOL_IP4, vrf_id);
- snat_session_key_t key;
snat_session_t *s;
clib_bihash_8_8_t *t;
else
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
- key.addr.as_u32 = addr->as_u32;
- key.port = clib_host_to_net_u16 (port);
- key.protocol = proto;
- key.fib_index = fib_index;
- kv.key = key.as_u64;
+ init_nat_k (&kv, *addr, port, fib_index, proto);
t = is_in ? &tsm->in2out : &tsm->out2in;
if (!clib_bihash_search_8_8 (t, &kv, &value))
{
tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
t = is_in ? &tsm->in2out_ed : &sm->out2in_ed;
- make_ed_kv (addr, eh_addr, proto, fib_index, clib_host_to_net_u16 (port),
- clib_host_to_net_u16 (eh_port), ~0, ~0, &kv);
+ init_ed_k (&kv, *addr, port, *eh_addr, eh_port, fib_index, proto);
if (clib_bihash_search_16_8 (t, &kv, &value))
{
return VNET_API_ERROR_NO_SUCH_ENTRY;
.next_nodes = {
[NAT_NEXT_DROP] = "error-drop",
[NAT_NEXT_ICMP_ERROR] = "ip4-icmp-error",
- //[NAT_NEXT_IN2OUT_PRE] = "nat-pre-in2out",
- //[NAT_NEXT_OUT2IN_PRE] = "nat-pre-out2in",
[NAT_NEXT_IN2OUT_ED_FAST_PATH] = "nat44-ed-in2out",
[NAT_NEXT_IN2OUT_ED_SLOW_PATH] = "nat44-ed-in2out-slowpath",
[NAT_NEXT_IN2OUT_ED_OUTPUT_SLOW_PATH] = "nat44-ed-in2out-output-slowpath",
Code Review / vpp.git / blobdiff