clib_bihash_kv_8_8_t kv;
nat_ed_ses_key_t ed_key;
clib_bihash_kv_16_8_t ed_kv;
- int i;
- snat_address_t *a;
snat_main_per_thread_data_t *tsm =
vec_elt_at_index (sm->per_thread_data, thread_index);
/* Twice NAT address and port for external host */
if (is_twice_nat_session (s))
{
- for (i = 0; i < vec_len (sm->twice_nat_addresses); i++)
- {
- key.protocol = s->in2out.protocol;
- key.port = s->ext_host_nat_port;
- a = sm->twice_nat_addresses + i;
- if (a->addr.as_u32 == s->ext_host_nat_addr.as_u32)
- {
- snat_free_outside_address_and_port (sm->twice_nat_addresses,
- thread_index, &key, i);
- break;
- }
- }
+ 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);
}
if (snat_is_session_static (s))
if (s->outside_address_index != ~0)
snat_free_outside_address_and_port (sm->addresses, thread_index,
- &s->out2in, s->outside_address_index);
+ &s->out2in);
}
snat_user_t *
return s;
}
+snat_session_t *
+nat_ed_session_alloc (snat_main_t *sm, snat_user_t *u, u32 thread_index)
+{
+ snat_session_t *s;
+ snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+ dlist_elt_t * per_user_translation_list_elt;
+
+ if ((u->nsessions + u->nstaticsessions) >= sm->max_translations_per_user)
+ {
+ nat_log_warn ("max translations per user %U", format_ip4_address, &u->addr);
+ snat_ipfix_logging_max_entries_per_user (sm->max_translations_per_user,
+ u->addr.as_u32);
+ return 0;
+ }
+
+ pool_get (tsm->sessions, s);
+ memset (s, 0, sizeof (*s));
+ s->outside_address_index = ~0;
+
+ /* Create list elts */
+ pool_get (tsm->list_pool, per_user_translation_list_elt);
+ clib_dlist_init (tsm->list_pool,
+ per_user_translation_list_elt - tsm->list_pool);
+
+ per_user_translation_list_elt->value = s - tsm->sessions;
+ s->per_user_index = per_user_translation_list_elt - tsm->list_pool;
+ s->per_user_list_head_index = u->sessions_per_user_list_head_index;
+
+ clib_dlist_addtail (tsm->list_pool,
+ s->per_user_list_head_index,
+ per_user_translation_list_elt - tsm->list_pool);
+
+ return s;
+}
+
typedef struct {
u8 next_in2out;
} nat44_classify_trace_t;
nat_free_session_data (sm, s, tsm - sm->per_thread_data);
nat44_delete_session (sm, s, tsm - sm->per_thread_data);
- if (!addr_only)
+ if (!addr_only && !sm->endpoint_dependent)
break;
}
}
if (!addr_only)
{
- if ((s->out2in.addr.as_u32 != e_addr.as_u32) &&
+ if ((s->out2in.addr.as_u32 != e_addr.as_u32) ||
(clib_net_to_host_u16 (s->out2in.port) != e_port))
continue;
}
nat_free_session_data (sm, s, tsm - sm->per_thread_data);
nat44_delete_session (sm, s, tsm - sm->per_thread_data);
- if (!addr_only)
+ if (!addr_only && !sm->endpoint_dependent)
break;
}
- if (addr_only && (u->nstaticsessions == 0) && (u->nsessions == 0))
- {
- pool_put (tsm->users, u);
- clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 0);
- }
}
}
}
}
int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
- snat_protocol_t proto, u32 vrf_id,
+ snat_protocol_t proto,
nat44_lb_addr_port_t *locals, u8 is_add,
twice_nat_type_t twice_nat, u8 out2in_only,
u8 *tag)
snat_static_mapping_t *m;
snat_session_key_t m_key;
clib_bihash_kv_8_8_t kv, value;
- u32 fib_index;
snat_address_t *a = 0;
int i;
nat44_lb_addr_port_t *local;
if (vec_len (locals) < 2)
return VNET_API_ERROR_INVALID_VALUE;
- fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
- vrf_id,
- FIB_SOURCE_PLUGIN_LOW);
-
/* Find external address in allocated addresses and reserve port for
address and port pair mapping when dynamic translations enabled */
if (!(sm->static_mapping_only || out2in_only))
m->tag = vec_dup (tag);
m->external_addr = e_addr;
m->addr_only = 0;
- m->vrf_id = vrf_id;
- m->fib_index = fib_index;
m->external_port = e_port;
m->proto = proto;
m->twice_nat = twice_nat;
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, FIB_SOURCE_PLUGIN_LOW);
m_key.addr = locals[i].addr;
+ m_key.fib_index = locals[i].fib_index;
if (!out2in_only)
{
m_key.port = locals[i].port;
if (!m)
return VNET_API_ERROR_NO_SUCH_ENTRY;
- fib_table_unlock (m->fib_index, FIB_PROTOCOL_IP4, FIB_SOURCE_PLUGIN_LOW);
-
/* Free external address port */
if (!(sm->static_mapping_only || out2in_only))
{
vec_foreach (local, m->locals)
{
+ fib_table_unlock (local->fib_index, FIB_PROTOCOL_IP4,
+ FIB_SOURCE_PLUGIN_LOW);
m_key.addr = local->addr;
if (!out2in_only)
{
m_key.port = local->port;
- m_key.fib_index = m->fib_index;
+ m_key.fib_index = local->fib_index;
kv.key = m_key.as_u64;
if (clib_bihash_add_del_8_8(&sm->static_mapping_by_local, &kv, 0))
{
if (!(is_lb_session (s)))
continue;
- if ((s->in2out.addr.as_u32 != local->addr.as_u32) &&
+ if ((s->in2out.addr.as_u32 != local->addr.as_u32) ||
(clib_net_to_host_u16 (s->in2out.port) != local->port))
continue;
vnet_feature_enable_disable ("ip4-local",
"nat44-ed-hairpinning",
sw_if_index, 1, 0, 0);
- else
+ else if (!sm->deterministic)
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
+ else if (!sm->deterministic)
vnet_feature_enable_disable ("ip4-local",
"nat44-hairpinning",
sw_if_index, 0, 0, 0);
if (sm->endpoint_dependent)
vnet_feature_enable_disable ("ip4-local", "nat44-ed-hairpinning",
sw_if_index, 0, 0, 0);
- else
+ else if (!sm->deterministic)
vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
sw_if_index, 0, 0, 0);
}
if (sm->endpoint_dependent)
vnet_feature_enable_disable ("ip4-local", "nat44-ed-hairpinning",
sw_if_index, 1, 0, 0);
- else
+ else if (!sm->deterministic)
vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
sw_if_index, 1, 0, 0);
}
void snat_free_outside_address_and_port (snat_address_t * addresses,
u32 thread_index,
- snat_session_key_t * k,
- u32 address_index)
+ snat_session_key_t * k)
{
snat_address_t *a;
+ u32 address_index;
u16 port_host_byte_order = clib_net_to_host_u16 (k->port);
+ for (address_index = 0; address_index < vec_len (addresses); address_index++)
+ {
+ if (addresses[address_index].addr.as_u32 == k->addr.as_u32)
+ break;
+ }
+
ASSERT (address_index < vec_len (addresses));
a = addresses + address_index;
}
mapping->addr = m->locals[lo].addr;
mapping->port = clib_host_to_net_u16 (m->locals[lo].port);
+ mapping->fib_index = m->locals[lo].fib_index;
}
else
{
+ mapping->fib_index = m->fib_index;
mapping->addr = m->local_addr;
/* Address only mapping doesn't change port */
mapping->port = m->addr_only ? match.port
: clib_host_to_net_u16 (m->local_port);
}
- mapping->fib_index = m->fib_index;
mapping->protocol = m->proto;
}
else
}
u8 * format_snat_key (u8 * s, va_list * args);
+u8 * format_static_mapping_key (u8 * s, va_list * args);
u8 *
format_session_kvp (u8 * s, va_list * args)
k.as_u64 = v->key;
- s = format (s, "%U static-mapping-index %llu", format_snat_key, &k, v->value);
+ s = format (s, "%U static-mapping-index %llu",
+ format_static_mapping_key, &k, v->value);
return s;
}
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))
+ return clib_error_return (
+ 0, "static mapping only mode available only for simple nat");
+
+ if (sm->out2in_dpo && (sm->deterministic || sm->endpoint_dependent))
+ return clib_error_return (
+ 0, "out2in dpo mode available only for simple nat");
+
/* for show commands, etc. */
sm->translation_buckets = translation_buckets;
sm->translation_memory_size = translation_memory_size;
return s;
}
+u8 * format_static_mapping_key (u8 * s, va_list * args)
+{
+ snat_session_key_t * key = va_arg (*args, snat_session_key_t *);
+
+ s = format (s, "%U proto %U port %d fib %d",
+ format_ip4_address, &key->addr,
+ format_snat_protocol, key->protocol,
+ key->port, key->fib_index);
+ return s;
+}
+
u8 * format_snat_session (u8 * s, va_list * args)
{
snat_main_per_thread_data_t * sm = va_arg (*args, snat_main_per_thread_data_t *);
{
if (vec_len (m->locals))
{
- s = format (s, "%U vrf %d external %U:%d %s %s",
+ s = format (s, "%U external %U:%d %s %s",
format_snat_protocol, m->proto,
- m->vrf_id,
format_ip4_address, &m->external_addr, m->external_port,
m->twice_nat == TWICE_NAT ? "twice-nat" :
m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
m->out2in_only ? "out2in-only" : "");
vec_foreach (local, m->locals)
- s = format (s, "\n local %U:%d probability %d\%",
+ s = format (s, "\n local %U:%d vrf %d probability %d\%",
format_ip4_address, &local->addr, local->port,
- local->probability);
+ local->vrf_id, local->probability);
}
else
s = format (s, "%U local %U:%d external %U:%d vrf %d %s %s",
Code Review / vpp.git / blobdiff