u32 rx_fib_index0, u32 thread_index)
{
udp_header_t *udp0 = ip4_next_header (ip0);
- snat_session_key_t key0, sm0;
clib_bihash_kv_8_8_t kv0, value0;
- key0.addr = ip0->dst_address;
- key0.port = udp0->dst_port;
- key0.protocol = proto0;
- key0.fib_index = sm->outside_fib_index;
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, ip0->dst_address, udp0->dst_port, sm->outside_fib_index,
+ proto0);
/* NAT packet aimed at external address if */
/* has active sessions */
&value0))
{
/* or is static mappings */
- if (!snat_static_mapping_match (sm, key0, &sm0, 1, 0, 0, 0, 0, 0))
+ ip4_address_t dummy_addr;
+ u16 dummy_port;
+ u32 dummy_fib_index;
+ if (!snat_static_mapping_match
+ (sm, ip0->dst_address, udp0->dst_port, sm->outside_fib_index,
+ proto0, &dummy_addr, &dummy_port, &dummy_fib_index, 1, 0, 0, 0, 0,
+ 0))
return 0;
}
else
u32 proto0, u16 src_port, u16 dst_port,
u32 thread_index, u32 sw_if_index)
{
- snat_session_key_t key0;
clib_bihash_kv_8_8_t kv0, value0;
snat_interface_t *i;
/* src NAT check */
- key0.addr = ip0->src_address;
- key0.port = src_port;
- key0.protocol = proto0;
- key0.fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index);
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, ip0->src_address, src_port,
+ ip4_fib_table_get_index_for_sw_if_index (sw_if_index), proto0);
if (!clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].out2in, &kv0, &value0))
return 1;
/* dst NAT check */
- key0.addr = ip0->dst_address;
- key0.port = dst_port;
- key0.protocol = proto0;
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, ip0->dst_address, dst_port,
+ ip4_fib_table_get_index_for_sw_if_index (sw_if_index), proto0);
if (!clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].in2out, &kv0, &value0))
{
sess_timeout_time = s->last_heard + (f64) nat44_session_get_timeout (sm, s);
if (ctx->now >= sess_timeout_time)
{
- s_kv.key = s->out2in.as_u64;
+ init_nat_o2i_k (&s_kv, s);
if (clib_bihash_add_del_8_8 (&tsm->out2in, &s_kv, 0))
nat_elog_warn ("out2in 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);
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->out2in.addr, s->out2in.port, s->nat_proto);
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 (!snat_is_session_static (s))
snat_free_outside_address_and_port (sm->addresses, ctx->thread_index,
- &s->out2in);
+ &s->out2in.addr,
+ s->out2in.port, s->nat_proto);
nat44_delete_session (sm, s, ctx->thread_index);
return 1;
static u32
slow_path (snat_main_t * sm, vlib_buffer_t * b0,
ip4_header_t * ip0,
+ ip4_address_t i2o_addr,
+ u16 i2o_port,
u32 rx_fib_index0,
- snat_session_key_t * key0,
+ nat_protocol_t nat_proto,
snat_session_t ** sessionp,
vlib_node_runtime_t * node, u32 next0, u32 thread_index, f64 now)
{
snat_user_t *u;
snat_session_t *s = 0;
clib_bihash_kv_8_8_t kv0;
- snat_session_key_t key1;
u8 is_sm = 0;
nat_outside_fib_t *outside_fib;
fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
},
};
nat44_is_idle_session_ctx_t ctx0;
+ ip4_address_t sm_addr;
+ u16 sm_port;
+ u32 sm_fib_index;
if (PREDICT_FALSE (nat44_maximum_sessions_exceeded (sm, thread_index)))
{
return SNAT_IN2OUT_NEXT_DROP;
}
- key1.protocol = key0->protocol;
-
/* First try to match static mapping by local address and port */
if (snat_static_mapping_match
- (sm, *key0, &key1, 0, 0, 0, 0, 0, &identity_nat))
+ (sm, i2o_addr, i2o_port, rx_fib_index0, nat_proto, &sm_addr,
+ &sm_port, &sm_fib_index, 0, 0, 0, 0, 0, &identity_nat))
{
/* Try to create dynamic translation */
if (snat_alloc_outside_address_and_port (sm->addresses, rx_fib_index0,
- thread_index, &key1,
+ thread_index,
+ nat_proto,
+ &sm_addr, &sm_port,
sm->port_per_thread,
sm->per_thread_data
[thread_index].snat_thread_index))
if (is_sm)
s->flags |= SNAT_SESSION_FLAG_STATIC_MAPPING;
user_session_increment (sm, u, is_sm);
- s->in2out = *key0;
- s->out2in = key1;
- s->out2in.protocol = key0->protocol;
+ s->in2out.addr = i2o_addr;
+ s->in2out.port = i2o_port;
+ s->in2out.fib_index = rx_fib_index0;
+ s->nat_proto = nat_proto;
+ s->out2in.addr = sm_addr;
+ s->out2in.port = sm_port;
s->out2in.fib_index = sm->outside_fib_index;
switch (vec_len (sm->outside_fibs))
{
/* Add to translation hashes */
ctx0.now = now;
ctx0.thread_index = thread_index;
- kv0.key = s->in2out.as_u64;
- kv0.value = s - sm->per_thread_data[thread_index].sessions;
+ init_nat_i2o_kv (&kv0, s, s - sm->per_thread_data[thread_index].sessions);
if (clib_bihash_add_or_overwrite_stale_8_8
(&sm->per_thread_data[thread_index].in2out, &kv0,
nat44_i2o_is_idle_session_cb, &ctx0))
nat_elog_notice ("in2out key add failed");
- kv0.key = s->out2in.as_u64;
- kv0.value = s - sm->per_thread_data[thread_index].sessions;
-
+ init_nat_o2i_kv (&kv0, s, s - sm->per_thread_data[thread_index].sessions);
if (clib_bihash_add_or_overwrite_stale_8_8
(&sm->per_thread_data[thread_index].out2in, &kv0,
nat44_o2i_is_idle_session_cb, &ctx0))
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);
nat_syslog_nat44_apmadd (s->user_index, s->in2out.fib_index,
&s->in2out.addr, s->in2out.port, &s->out2in.addr,
- s->out2in.port, s->in2out.protocol);
+ s->out2in.port, s->nat_proto);
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 next0;
}
#ifndef CLIB_MARCH_VARIANT
-static_always_inline
- snat_in2out_error_t icmp_get_key (vlib_buffer_t * b, ip4_header_t * ip0,
- snat_session_key_t * p_key0)
+static_always_inline snat_in2out_error_t
+icmp_get_key (vlib_buffer_t * b, ip4_header_t * ip0,
+ ip4_address_t * addr, u16 * port, nat_protocol_t * nat_proto)
{
icmp46_header_t *icmp0;
- snat_session_key_t key0;
icmp_echo_header_t *echo0, *inner_echo0 = 0;
ip4_header_t *inner_ip0 = 0;
void *l4_header = 0;
if (!icmp_type_is_error_message
(vnet_buffer (b)->ip.reass.icmp_type_or_tcp_flags))
{
- key0.protocol = NAT_PROTOCOL_ICMP;
- key0.addr = ip0->src_address;
- key0.port = vnet_buffer (b)->ip.reass.l4_src_port;
+ *nat_proto = NAT_PROTOCOL_ICMP;
+ *addr = ip0->src_address;
+ *port = vnet_buffer (b)->ip.reass.l4_src_port;
}
else
{
inner_ip0 = (ip4_header_t *) (echo0 + 1);
l4_header = ip4_next_header (inner_ip0);
- key0.protocol = ip_proto_to_nat_proto (inner_ip0->protocol);
- key0.addr = inner_ip0->dst_address;
- switch (key0.protocol)
+ *nat_proto = ip_proto_to_nat_proto (inner_ip0->protocol);
+ *addr = inner_ip0->dst_address;
+ switch (*nat_proto)
{
case NAT_PROTOCOL_ICMP:
inner_icmp0 = (icmp46_header_t *) l4_header;
inner_echo0 = (icmp_echo_header_t *) (inner_icmp0 + 1);
- key0.port = inner_echo0->identifier;
+ *port = inner_echo0->identifier;
break;
case NAT_PROTOCOL_UDP:
case NAT_PROTOCOL_TCP:
- key0.port = ((tcp_udp_header_t *) l4_header)->dst_port;
+ *port = ((tcp_udp_header_t *) l4_header)->dst_port;
break;
default:
return SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL;
}
}
- *p_key0 = key0;
return -1; /* success */
}
u32
icmp_match_in2out_slow (snat_main_t * sm, vlib_node_runtime_t * node,
u32 thread_index, vlib_buffer_t * b0,
- ip4_header_t * ip0, u8 * p_proto,
- snat_session_key_t * p_value,
- u8 * p_dont_translate, void *d, void *e)
+ ip4_header_t * ip0, ip4_address_t * addr, u16 * port,
+ u32 * fib_index, nat_protocol_t * proto, void *d,
+ void *e, u8 * dont_translate)
{
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
u32 sw_if_index0;
- u32 rx_fib_index0;
- snat_session_key_t key0;
snat_session_t *s0 = 0;
- u8 dont_translate = 0;
clib_bihash_kv_8_8_t kv0, value0;
u32 next0 = ~0;
int err;
vlib_main_t *vm = vlib_get_main ();
+ *dont_translate = 0;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- rx_fib_index0 = ip4_fib_table_get_index_for_sw_if_index (sw_if_index0);
+ *fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index0);
- err = icmp_get_key (b0, ip0, &key0);
+ err = icmp_get_key (b0, ip0, addr, port, proto);
if (err != -1)
{
b0->error = node->errors[err];
next0 = SNAT_IN2OUT_NEXT_DROP;
goto out;
}
- key0.fib_index = rx_fib_index0;
-
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, *addr, *port, *fib_index, *proto);
if (clib_bihash_search_8_8 (&tsm->in2out, &kv0, &value0))
{
if (vnet_buffer (b0)->sw_if_index[VLIB_TX] != ~0)
{
- if (PREDICT_FALSE (nat_not_translate_output_feature (sm, ip0,
- key0.protocol,
- key0.port,
- key0.port,
- thread_index,
- sw_if_index0)))
+ if (PREDICT_FALSE
+ (nat_not_translate_output_feature
+ (sm, ip0, *proto, *port, *port, thread_index, sw_if_index0)))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
{
if (PREDICT_FALSE (snat_not_translate (sm, node, sw_if_index0,
ip0, NAT_PROTOCOL_ICMP,
- rx_fib_index0,
- thread_index)))
+ *fib_index, thread_index)))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
goto out;
}
- next0 = slow_path (sm, b0, ip0, rx_fib_index0, &key0, &s0, node, next0,
- thread_index, vlib_time_now (vm));
+ next0 =
+ slow_path (sm, b0, ip0, *addr, *port, *fib_index, *proto, &s0, node,
+ next0, thread_index, vlib_time_now (vm));
if (PREDICT_FALSE (next0 == SNAT_IN2OUT_NEXT_DROP))
goto out;
if (!s0)
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
}
out:
- *p_proto = key0.protocol;
if (s0)
- *p_value = s0->out2in;
- *p_dont_translate = dont_translate;
+ {
+ *addr = s0->out2in.addr;
+ *port = s0->out2in.port;
+ *fib_index = s0->out2in.fib_index;
+ }
if (d)
- *(snat_session_t **) d = s0;
+ *(snat_session_t **) (d) = s0;
return next0;
}
#endif
u32
icmp_match_in2out_fast (snat_main_t * sm, vlib_node_runtime_t * node,
u32 thread_index, vlib_buffer_t * b0,
- ip4_header_t * ip0, u8 * p_proto,
- snat_session_key_t * p_value,
- u8 * p_dont_translate, void *d, void *e)
+ ip4_header_t * ip0, ip4_address_t * addr, u16 * port,
+ u32 * fib_index, nat_protocol_t * proto, void *d,
+ void *e, u8 * dont_translate)
{
u32 sw_if_index0;
- u32 rx_fib_index0;
- snat_session_key_t key0;
- snat_session_key_t sm0;
- u8 dont_translate = 0;
u8 is_addr_only;
u32 next0 = ~0;
int err;
+ *dont_translate = 0;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- rx_fib_index0 = ip4_fib_table_get_index_for_sw_if_index (sw_if_index0);
+ *fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index0);
- err = icmp_get_key (b0, ip0, &key0);
+ err = icmp_get_key (b0, ip0, addr, port, proto);
if (err != -1)
{
b0->error = node->errors[err];
next0 = SNAT_IN2OUT_NEXT_DROP;
- goto out2;
+ goto out;
}
- key0.fib_index = rx_fib_index0;
+
+ ip4_address_t sm_addr;
+ u16 sm_port;
+ u32 sm_fib_index;
if (snat_static_mapping_match
- (sm, key0, &sm0, 0, &is_addr_only, 0, 0, 0, 0))
+ (sm, *addr, *port, *fib_index, *proto, &sm_addr, &sm_port,
+ &sm_fib_index, 0, &is_addr_only, 0, 0, 0, 0))
{
if (PREDICT_FALSE (snat_not_translate_fast (sm, node, sw_if_index0, ip0,
IP_PROTOCOL_ICMP,
- rx_fib_index0)))
+ *fib_index)))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
out:
- *p_value = sm0;
-out2:
- *p_proto = key0.protocol;
- *p_dont_translate = dont_translate;
return next0;
}
#endif
u32 next0, u32 thread_index, void *d, void *e)
{
vlib_main_t *vm = vlib_get_main ();
- snat_session_key_t sm0;
- u8 protocol;
+ ip4_address_t addr;
+ u16 port;
+ u32 fib_index;
+ nat_protocol_t protocol;
icmp_echo_header_t *echo0, *inner_echo0 = 0;
ip4_header_t *inner_ip0;
void *l4_header = 0;
echo0 = (icmp_echo_header_t *) (icmp0 + 1);
- next0_tmp = sm->icmp_match_in2out_cb (sm, node, thread_index, b0, ip0,
- &protocol, &sm0, &dont_translate, d,
- e);
+ next0_tmp =
+ sm->icmp_match_in2out_cb (sm, node, thread_index, b0, ip0, &addr, &port,
+ &fib_index, &protocol, d, e, &dont_translate);
if (next0_tmp != ~0)
next0 = next0_tmp;
if (next0 == SNAT_IN2OUT_NEXT_DROP || dont_translate)
}
old_addr0 = ip0->src_address.as_u32;
- new_addr0 = ip0->src_address.as_u32 = sm0.addr.as_u32;
+ new_addr0 = ip0->src_address.as_u32 = addr.as_u32;
sum0 = ip0->checksum;
sum0 = ip_csum_update (sum0, old_addr0, new_addr0, ip4_header_t,
if (!icmp_type_is_error_message (icmp0->type))
{
- new_id0 = sm0.port;
+ new_id0 = port;
if (PREDICT_FALSE (new_id0 != echo0->identifier))
{
old_id0 = echo0->identifier;
- new_id0 = sm0.port;
+ new_id0 = port;
echo0->identifier = new_id0;
sum0 = icmp0->checksum;
/* update inner destination IP address */
old_addr0 = inner_ip0->dst_address.as_u32;
- inner_ip0->dst_address = sm0.addr;
+ inner_ip0->dst_address = addr;
new_addr0 = inner_ip0->dst_address.as_u32;
sum0 = icmp0->checksum;
sum0 = ip_csum_update (sum0, old_addr0, new_addr0, ip4_header_t,
inner_echo0 = (icmp_echo_header_t *) (inner_icmp0 + 1);
old_id0 = inner_echo0->identifier;
- new_id0 = sm0.port;
+ new_id0 = port;
inner_echo0->identifier = new_id0;
sum0 = icmp0->checksum;
case NAT_PROTOCOL_UDP:
case NAT_PROTOCOL_TCP:
old_id0 = ((tcp_udp_header_t *) l4_header)->dst_port;
- new_id0 = sm0.port;
+ new_id0 = port;
((tcp_udp_header_t *) l4_header)->dst_port = new_id0;
sum0 = icmp0->checksum;
if (sm->deterministic ||
0 != snat_icmp_hairpinning (sm, b0, ip0, icmp0,
sm->endpoint_dependent))
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0.fib_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = fib_index;
}
out:
{
clib_bihash_kv_8_8_t kv, value;
snat_static_mapping_t *m;
- snat_session_key_t m_key;
u32 old_addr, new_addr;
ip_csum_t sum;
- m_key.addr = ip->src_address;
- m_key.port = 0;
- m_key.protocol = 0;
- m_key.fib_index = rx_fib_index;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, ip->src_address, 0, rx_fib_index, 0);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_local, &kv, &value))
return 1;
udp_header_t *udp0, *udp1;
tcp_header_t *tcp0, *tcp1;
icmp46_header_t *icmp0, *icmp1;
- snat_session_key_t key0, key1;
u32 rx_fib_index0, rx_fib_index1;
u32 proto0, proto1;
snat_session_t *s0 = 0, *s1 = 0;
}
}
- key0.addr = ip0->src_address;
- key0.port = vnet_buffer (b0)->ip.reass.l4_src_port;
- key0.protocol = proto0;
- key0.fib_index = rx_fib_index0;
-
- kv0.key = key0.as_u64;
-
+ init_nat_k (&kv0, ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port, rx_fib_index0,
+ proto0);
if (PREDICT_FALSE
(clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].in2out, &kv0,
goto trace00;
}
- next0 = slow_path (sm, b0, ip0, rx_fib_index0, &key0,
+ next0 = slow_path (sm, b0, ip0,
+ ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port,
+ rx_fib_index0,
+ proto0,
&s0, node, next0, thread_index, now);
if (PREDICT_FALSE (next0 == SNAT_IN2OUT_NEXT_DROP))
goto trace00;
}
}
- key1.addr = ip1->src_address;
- key1.port = vnet_buffer (b1)->ip.reass.l4_src_port;
- key1.protocol = proto1;
- key1.fib_index = rx_fib_index1;
-
- kv1.key = key1.as_u64;
-
+ init_nat_k (&kv1, ip1->src_address,
+ vnet_buffer (b1)->ip.reass.l4_src_port, rx_fib_index1,
+ proto1);
if (PREDICT_FALSE
(clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].in2out, &kv1,
goto trace01;
}
- next1 = slow_path (sm, b1, ip1, rx_fib_index1, &key1,
- &s1, node, next1, thread_index, now);
+ next1 =
+ slow_path (sm, b1, ip1, ip1->src_address,
+ vnet_buffer (b1)->ip.reass.l4_src_port,
+ rx_fib_index1, proto1, &s1, node, next1,
+ thread_index, now);
if (PREDICT_FALSE (next1 == SNAT_IN2OUT_NEXT_DROP))
goto trace01;
udp_header_t *udp0;
tcp_header_t *tcp0;
icmp46_header_t *icmp0;
- snat_session_key_t key0;
u32 rx_fib_index0;
u32 proto0;
snat_session_t *s0 = 0;
}
}
- key0.addr = ip0->src_address;
- key0.port = vnet_buffer (b0)->ip.reass.l4_src_port;
- key0.protocol = proto0;
- key0.fib_index = rx_fib_index0;
-
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port, rx_fib_index0,
+ proto0);
if (clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].in2out, &kv0, &value0))
goto trace0;
}
- next0 = slow_path (sm, b0, ip0, rx_fib_index0, &key0,
+ next0 = slow_path (sm, b0, ip0,
+ ip0->src_address,
+ vnet_buffer (b0)->ip.reass.l4_src_port,
+ rx_fib_index0,
+ proto0,
&s0, node, next0, thread_index, now);
if (PREDICT_FALSE (next0 == SNAT_IN2OUT_NEXT_DROP))
udp_header_t *udp0;
tcp_header_t *tcp0;
icmp46_header_t *icmp0;
- snat_session_key_t key0, sm0;
u32 proto0;
u32 rx_fib_index0;
+ ip4_address_t sm0_addr;
+ u16 sm0_port;
+ u32 sm0_fib_index;
+
/* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
goto trace0;
}
- key0.addr = ip0->src_address;
- key0.protocol = proto0;
- key0.port = udp0->src_port;
- key0.fib_index = rx_fib_index0;
-
- if (snat_static_mapping_match (sm, key0, &sm0, 0, 0, 0, 0, 0, 0))
+ if (snat_static_mapping_match
+ (sm, ip0->src_address, udp0->src_port, rx_fib_index0, proto0,
+ &sm0_addr, &sm0_port, &sm0_fib_index, 0, 0, 0, 0, 0, 0))
{
b0->error = node->errors[SNAT_IN2OUT_ERROR_NO_TRANSLATION];
next0 = SNAT_IN2OUT_NEXT_DROP;
goto trace0;
}
- new_addr0 = sm0.addr.as_u32;
- new_port0 = sm0.port;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0.fib_index;
+ new_addr0 = sm0_addr.as_u32;
+ new_port0 = sm0_port;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0_fib_index;
old_addr0 = ip0->src_address.as_u32;
ip0->src_address.as_u32 = new_addr0;
Code Review / vpp.git / blobdiff