clib_bihash_kv_16_8_t ed_kv;
int i;
snat_address_t *a;
- snat_session_key_t key;
snat_main_per_thread_data_t *tsm = vec_elt_at_index (sm->per_thread_data,
ctx->thread_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");
snat_ipfix_logging_nat44_ses_delete (ctx->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);
&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));
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,
ctx->thread_index);
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;
+ // TODO FIXME this is obviously broken - which address should be
+ // freed here?!
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,
ctx->thread_index,
- &key);
+ &s->ext_host_nat_addr,
+ s->ext_host_nat_port,
+ s->nat_proto);
break;
}
}
goto delete;
snat_free_outside_address_and_port (sm->addresses, ctx->thread_index,
- &s->out2in);
+ &s->out2in.addr, s->out2in.port,
+ s->nat_proto);
delete:
nat_ed_session_delete (sm, s, ctx->thread_index, 1);
return 1;
a = sm->addresses + i;
switch (nat_proto)
{
-#define _(N, j, n, unused) \
+#define _(N, j, n, unused) \
case NAT_PROTOCOL_##N: \
- if (a->fib_index == rx_fib_index) \
- { \
- u16 port = snat_random_port (1, port_per_thread); \
- u16 attempts = port_per_thread; \
- while (attempts > 0) \
- { \
- --attempts; \
- portnum = port_thread_offset + port; \
- make_ed_kv (&a->addr, &r_addr, proto, s->out2in.fib_index, \
- clib_host_to_net_u16 (portnum), r_port, thread_index, \
- s - tsm->sessions, out2in_ed_kv); \
- int rv = clib_bihash_add_del_16_8 (&sm->out2in_ed, out2in_ed_kv, \
- 2 /* is_add */); \
- if (0 == rv) \
- { \
- ++a->busy_##n##_port_refcounts[portnum]; \
- a->busy_##n##_ports_per_thread[thread_index]++; \
- a->busy_##n##_ports++; \
- *allocated_addr = a->addr; \
- *allocated_port = clib_host_to_net_u16 (portnum); \
- return 0; \
- } \
- port = (port + 1) % port_per_thread; \
- } \
- } \
- else if (a->fib_index == ~0) \
- { \
- ga = a; \
- } \
+ if (a->fib_index == rx_fib_index) \
+ { \
+ u16 port = snat_random_port (1, port_per_thread); \
+ u16 attempts = port_per_thread; \
+ while (attempts > 0) \
+ { \
+ --attempts; \
+ portnum = port_thread_offset + port; \
+ init_ed_kv (out2in_ed_kv, a->addr, \
+ clib_host_to_net_u16 (portnum), r_addr, r_port, \
+ s->out2in.fib_index, proto, thread_index, \
+ s - tsm->sessions); \
+ int rv = clib_bihash_add_del_16_8 (&sm->out2in_ed, out2in_ed_kv, \
+ 2 /* is_add */); \
+ if (0 == rv) \
+ { \
+ ++a->busy_##n##_port_refcounts[portnum]; \
+ a->busy_##n##_ports_per_thread[thread_index]++; \
+ a->busy_##n##_ports++; \
+ *allocated_addr = a->addr; \
+ *allocated_port = clib_host_to_net_u16 (portnum); \
+ return 0; \
+ } \
+ port = (port + 1) % port_per_thread; \
+ } \
+ } \
+ else if (a->fib_index == ~0) \
+ { \
+ ga = a; \
+ } \
break;
foreach_nat_protocol;
snat_session_t ** sessionp,
vlib_node_runtime_t * node, u32 next, u32 thread_index, f64 now)
{
-
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
clib_bihash_kv_16_8_t out2in_ed_kv;
nat44_is_idle_session_ctx_t ctx;
- snat_session_key_t key0, key1;
ip4_address_t allocated_addr;
u16 allocated_port;
- u32 tx_fib_index;
u8 identity_nat;
u32 nat_proto = ip_proto_to_nat_proto (proto);
}
}
- key0.addr = l_addr;
- key0.port = l_port;
- key1.protocol = key0.protocol = nat_proto;
- key0.fib_index = rx_fib_index;
- key1.fib_index = sm->outside_fib_index;
- tx_fib_index = sm->outside_fib_index;
-
+ ip4_address_t sm_addr;
+ u16 sm_port;
+ u32 sm_fib_index;
/* First try to match static mapping by local address and port */
if (snat_static_mapping_match
- (sm, key0, &key1, 0, 0, 0, &lb, 0, &identity_nat))
+ (sm, l_addr, l_port, rx_fib_index, nat_proto, &sm_addr, &sm_port,
+ &sm_fib_index, 0, 0, 0, &lb, 0, &identity_nat))
{
s = nat_ed_session_alloc (sm, thread_index, now, proto);
if (!s)
b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_USER_SESS_EXCEEDED];
return NAT_NEXT_DROP;
}
+ s->in2out.addr = l_addr;
+ s->in2out.port = l_port;
+ s->nat_proto = nat_proto;
+ s->in2out.fib_index = rx_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
+
switch (vec_len (sm->outside_fibs))
{
case 0:
- tx_fib_index = sm->outside_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
break;
case 1:
- tx_fib_index = sm->outside_fibs[0].fib_index;
+ s->out2in.fib_index = sm->outside_fibs[0].fib_index;
break;
default:
- tx_fib_index = nat_outside_fib_index_lookup (sm, r_addr);
+ s->out2in.fib_index = nat_outside_fib_index_lookup (sm, r_addr);
break;
}
- s->out2in.fib_index = tx_fib_index;
/* Try to create dynamic translation */
if (nat_ed_alloc_addr_and_port (sm, rx_fib_index, nat_proto,
thread_index, r_addr, r_port, proto,
nat_ed_session_delete (sm, s, thread_index, 1);
return NAT_NEXT_DROP;
}
- key1.addr = allocated_addr;
- key1.port = allocated_port;
+ s->out2in.addr = allocated_addr;
+ s->out2in.port = allocated_port;
}
else
{
if (PREDICT_FALSE (identity_nat))
{
- *sessionp = s;
+ *sessionp = NULL;
return next;
}
s = nat_ed_session_alloc (sm, thread_index, now, proto);
b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_USER_SESS_EXCEEDED];
return NAT_NEXT_DROP;
}
+ s->out2in.addr = sm_addr;
+ s->out2in.port = sm_port;
+ s->in2out.addr = l_addr;
+ s->in2out.port = l_port;
+ s->nat_proto = nat_proto;
+ s->in2out.fib_index = rx_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
switch (vec_len (sm->outside_fibs))
{
case 0:
- tx_fib_index = sm->outside_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
break;
case 1:
- tx_fib_index = sm->outside_fibs[0].fib_index;
+ s->out2in.fib_index = sm->outside_fibs[0].fib_index;
break;
default:
- tx_fib_index = nat_outside_fib_index_lookup (sm, r_addr);
+ s->out2in.fib_index = nat_outside_fib_index_lookup (sm, r_addr);
break;
}
- s->out2in.fib_index = tx_fib_index;
s->flags |= SNAT_SESSION_FLAG_STATIC_MAPPING;
- make_ed_kv (&key1.addr, &r_addr, proto,
- s->out2in.fib_index, key1.port, r_port, thread_index,
- s - tsm->sessions, &out2in_ed_kv);
+ init_ed_kv (&out2in_ed_kv, sm_addr, sm_port, r_addr, r_port,
+ s->out2in.fib_index, proto, thread_index,
+ s - tsm->sessions);
if (clib_bihash_add_or_overwrite_stale_16_8
(&sm->out2in_ed, &out2in_ed_kv, nat44_o2i_ed_is_idle_session_cb,
&ctx))
s->flags |= SNAT_SESSION_FLAG_ENDPOINT_DEPENDENT;
s->ext_host_addr = r_addr;
s->ext_host_port = r_port;
- s->in2out = key0;
- s->out2in = key1;
- s->out2in.fib_index = tx_fib_index;
- s->out2in.protocol = key0.protocol;
clib_bihash_kv_16_8_t in2out_ed_kv;
- make_ed_kv (&l_addr, &r_addr, proto, rx_fib_index, l_port, r_port,
- thread_index, s - tsm->sessions, &in2out_ed_kv);
+ init_ed_kv (&in2out_ed_kv, l_addr, l_port, r_addr, r_port, rx_fib_index,
+ proto, thread_index, s - tsm->sessions);
ctx.now = now;
ctx.thread_index = thread_index;
if (clib_bihash_add_or_overwrite_stale_16_8 (&tsm->in2out_ed, &in2out_ed_kv,
snat_ipfix_logging_nat44_ses_create (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);
&s->in2out.addr, s->in2out.port,
&s->ext_host_nat_addr, s->ext_host_nat_port,
&s->out2in.addr, s->out2in.port,
- &s->ext_host_addr, s->ext_host_port,
- s->in2out.protocol, 0);
+ &s->ext_host_addr, s->ext_host_port, s->nat_proto,
+ 0);
nat_ha_sadd (&s->in2out.addr, s->in2out.port, &s->out2in.addr,
s->out2in.port, &s->ext_host_addr, s->ext_host_port,
&s->ext_host_nat_addr, s->ext_host_nat_port,
- s->in2out.protocol, s->in2out.fib_index, s->flags,
- thread_index, 0);
+ s->nat_proto, s->in2out.fib_index, s->flags, thread_index, 0);
return next;
}
{
udp_header_t *udp = ip4_next_header (ip);
clib_bihash_kv_16_8_t kv, value;
- snat_session_key_t key0, key1;
- make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol,
- sm->outside_fib_index, udp->dst_port, udp->src_port, ~0, ~0,
- &kv);
+ init_ed_k (&kv, ip->dst_address, udp->dst_port, ip->src_address,
+ udp->src_port, sm->outside_fib_index, ip->protocol);
/* NAT packet aimed at external address if has active sessions */
if (clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value))
{
- key0.addr = ip->dst_address;
- key0.port = udp->dst_port;
- key0.protocol = proto;
- key0.fib_index = sm->outside_fib_index;
/* or is static mappings */
- if (!snat_static_mapping_match (sm, key0, &key1, 1, 0, 0, 0, 0, 0))
+ ip4_address_t dummy_addr;
+ u16 dummy_port;
+ u32 dummy_fib_index;
+ if (!snat_static_mapping_match
+ (sm, ip->dst_address, udp->dst_port, sm->outside_fib_index, proto,
+ &dummy_addr, &dummy_port, &dummy_fib_index, 1, 0, 0, 0, 0, 0))
return 0;
}
else
}
else if (ip->protocol == IP_PROTOCOL_UDP || ip->protocol == IP_PROTOCOL_TCP)
{
- make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, 0,
- vnet_buffer (b)->ip.reass.l4_src_port,
- vnet_buffer (b)->ip.reass.l4_dst_port, ~0, ~0, &kv);
+ init_ed_k (&kv, ip->src_address, vnet_buffer (b)->ip.reass.l4_src_port,
+ ip->dst_address, vnet_buffer (b)->ip.reass.l4_dst_port, 0,
+ ip->protocol);
}
else
{
- make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol, 0, 0,
- 0, ~0, ~0, &kv);
+ init_ed_k (&kv, ip->src_address, 0, ip->dst_address, 0, 0,
+ ip->protocol);
}
if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value))
u32 tx_fib_index = ip4_fib_table_get_index_for_sw_if_index (tx_sw_if_index);
/* src NAT check */
- make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol,
- tx_fib_index, src_port, dst_port, ~0, ~0, &kv);
+ init_ed_k (&kv, ip->src_address, src_port, ip->dst_address, dst_port,
+ tx_fib_index, ip->protocol);
if (!clib_bihash_search_16_8 (&sm->out2in_ed, &kv, &value))
{
ASSERT (thread_index == ed_value_get_thread_index (&value));
}
/* dst NAT check */
- make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol,
- rx_fib_index, dst_port, src_port, ~0, ~0, &kv);
+ init_ed_k (&kv, ip->dst_address, dst_port, ip->src_address, src_port,
+ rx_fib_index, ip->protocol);
if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value))
{
ASSERT (thread_index == ed_value_get_thread_index (&value));
#ifndef CLIB_MARCH_VARIANT
u32
icmp_match_in2out_ed (snat_main_t * sm, vlib_node_runtime_t * node,
- u32 thread_index, vlib_buffer_t * b, ip4_header_t * ip,
- u8 * p_proto, snat_session_key_t * p_value,
- u8 * p_dont_translate, void *d, void *e)
+ u32 thread_index, vlib_buffer_t * b,
+ ip4_header_t * ip, ip4_address_t * addr,
+ u16 * port, u32 * fib_index, nat_protocol_t * proto,
+ void *d, void *e, u8 * dont_translate)
{
u32 sw_if_index;
u32 rx_fib_index;
- snat_session_t *s = 0;
- u8 dont_translate = 0;
clib_bihash_kv_16_8_t kv, value;
u32 next = ~0;
int err;
+ snat_session_t *s = NULL;
u16 l_port = 0, r_port = 0; // initialize to workaround gcc warning
vlib_main_t *vm = vlib_get_main ();
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+ *dont_translate = 0;
sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
rx_fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index);
err =
- get_icmp_i2o_ed_key (b, ip, rx_fib_index, ~0, ~0, p_proto, &l_port,
+ get_icmp_i2o_ed_key (b, ip, rx_fib_index, ~0, ~0, proto, &l_port,
&r_port, &kv);
if (err != 0)
{
(sm, ip, l_port, r_port, thread_index,
sw_if_index, vnet_buffer (b)->sw_if_index[VLIB_TX])))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
rx_fib_index,
thread_index)))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
if (!s)
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
}
out:
if (s)
- *p_value = s->out2in;
- *p_dont_translate = dont_translate;
+ {
+ *addr = s->out2in.addr;
+ *port = s->out2in.port;
+ *fib_index = s->out2in.fib_index;
+ }
if (d)
- *(snat_session_t **) d = s;
+ {
+ *(snat_session_t **) d = s;
+ }
return next;
}
#endif
}
old_addr = ip->src_address.as_u32;
- make_ed_kv (&ip->src_address, &ip->dst_address, ip->protocol,
- rx_fib_index, 0, 0, ~0, ~0, &s_kv);
+ init_ed_k (&s_kv, ip->src_address, 0, ip->dst_address, 0, rx_fib_index,
+ ip->protocol);
if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &s_kv, &s_value))
{
return 0;
}
- make_sm_kv (&kv, &ip->src_address, 0, rx_fib_index, 0);
+ init_nat_k (&kv, ip->src_address, 0, rx_fib_index, 0);
/* Try to find static mapping first */
if (!clib_bihash_search_8_8 (&sm->static_mapping_by_local, &kv, &value))
{
new_addr = ip->src_address.as_u32 = s->out2in.addr.as_u32;
- make_ed_kv (&s->out2in.addr, &ip->dst_address, ip->protocol,
- outside_fib_index, 0, 0, ~0, ~0, &s_kv);
+ init_ed_k(&s_kv, s->out2in.addr, 0, ip->dst_address, 0, outside_fib_index, ip->protocol);
if (clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value))
goto create_ses;
for (i = 0; i < vec_len (sm->addresses); i++)
{
- make_ed_kv (&sm->addresses[i].addr, &ip->dst_address,
- ip->protocol, outside_fib_index, 0, 0, ~0, ~0,
- &s_kv);
+ init_ed_k (&s_kv, sm->addresses[i].addr, 0, ip->dst_address, 0,
+ outside_fib_index, ip->protocol);
if (clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value))
{
new_addr = ip->src_address.as_u32 =
s->flags |= SNAT_SESSION_FLAG_STATIC_MAPPING;
/* Add to lookup tables */
- make_ed_kv (&s->in2out.addr, &ip->dst_address, ip->protocol,
- rx_fib_index, 0, 0, thread_index, s - tsm->sessions, &s_kv);
+ init_ed_kv (&s_kv, s->in2out.addr, 0, ip->dst_address, 0, rx_fib_index,
+ ip->protocol, thread_index, s - tsm->sessions);
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, &s_kv, 1))
nat_elog_notice ("in2out key add failed");
- make_ed_kv (&s->out2in.addr, &ip->dst_address, ip->protocol,
- outside_fib_index, 0, 0, thread_index, s - tsm->sessions,
- &s_kv);
+ init_ed_kv (&s_kv, s->out2in.addr, 0, ip->dst_address, 0,
+ outside_fib_index, ip->protocol, thread_index,
+ s - tsm->sessions);
if (clib_bihash_add_del_16_8 (&sm->out2in_ed, &s_kv, 1))
nat_elog_notice ("out2in key add failed");
}
goto trace0;
}
- make_ed_kv (&ip0->src_address, &ip0->dst_address,
- ip0->protocol, rx_fib_index0,
- vnet_buffer (b0)->ip.reass.l4_src_port,
- vnet_buffer (b0)->ip.reass.l4_dst_port, ~0, ~0, &kv0);
+ init_ed_k (&kv0, ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port, ip0->dst_address,
+ vnet_buffer (b0)->ip.reass.l4_dst_port, rx_fib_index0,
+ ip0->protocol);
// lookup for session
if (clib_bihash_search_16_8 (&tsm->in2out_ed, &kv0, &value0))
goto trace0;
}
- make_ed_kv (&ip0->src_address, &ip0->dst_address,
- ip0->protocol, rx_fib_index0,
- vnet_buffer (b0)->ip.reass.l4_src_port,
- vnet_buffer (b0)->ip.reass.l4_dst_port, ~0, ~0, &kv0);
-
+ init_ed_k (&kv0, ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port, ip0->dst_address,
+ vnet_buffer (b0)->ip.reass.l4_dst_port, rx_fib_index0,
+ ip0->protocol);
if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv0, &value0))
{
ASSERT (thread_index == ed_value_get_thread_index (&value0));
Code Review / vpp.git / blobdiff