sess_timeout_time = s->last_heard + (f64) nat44_session_get_timeout (sm, s);
if (ctx->now >= sess_timeout_time)
{
- s_kv.key = s->in2out.as_u64;
+ init_nat_i2o_k (&s_kv, s);
if (clib_bihash_add_del_8_8 (&tsm->in2out, &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 inline snat_session_t *
create_session_for_static_mapping (snat_main_t * sm,
vlib_buffer_t * b0,
- snat_session_key_t in2out,
- snat_session_key_t out2in,
+ ip4_address_t i2o_addr,
+ u16 i2o_port,
+ u32 i2o_fib_index,
+ ip4_address_t o2i_addr,
+ u16 o2i_port,
+ u32 o2i_fib_index,
+ nat_protocol_t proto,
vlib_node_runtime_t * node,
u32 thread_index, f64 now)
{
ip0 = vlib_buffer_get_current (b0);
udp0 = ip4_next_header (ip0);
- u =
- nat_user_get_or_create (sm, &in2out.addr, in2out.fib_index, thread_index);
+ u = nat_user_get_or_create (sm, &i2o_addr, i2o_fib_index, thread_index);
if (!u)
{
nat_elog_warn ("create NAT user failed");
s->ext_host_addr.as_u32 = ip0->src_address.as_u32;
s->ext_host_port = udp0->src_port;
user_session_increment (sm, u, 1 /* static */ );
- s->in2out = in2out;
- s->out2in = out2in;
- s->in2out.protocol = out2in.protocol;
+ s->in2out.addr = i2o_addr;
+ s->in2out.port = i2o_port;
+ s->in2out.fib_index = i2o_fib_index;
+ s->out2in.addr = o2i_addr;
+ s->out2in.port = o2i_port;
+ s->out2in.fib_index = o2i_fib_index;
+ s->nat_proto = proto;
/* 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;
-
+ 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 s;
}
#ifndef CLIB_MARCH_VARIANT
-static_always_inline
- snat_out2in_error_t icmp_get_key (vlib_buffer_t * b, ip4_header_t * ip0,
- snat_session_key_t * p_key0)
+static_always_inline snat_out2in_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;
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->dst_address;
- key0.port = vnet_buffer (b)->ip.reass.l4_src_port;
+ *nat_proto = NAT_PROTOCOL_ICMP;
+ *addr = ip0->dst_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->src_address;
- switch (key0.protocol)
+ *nat_proto = ip_proto_to_nat_proto (inner_ip0->protocol);
+ *addr = inner_ip0->src_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)->src_port;
+ *port = ((tcp_udp_header_t *) l4_header)->src_port;
break;
default:
return SNAT_OUT2IN_ERROR_UNSUPPORTED_PROTOCOL;
}
}
- *p_key0 = key0;
return -1; /* success */
}
u32
icmp_match_out2in_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_key_t sm0;
snat_session_t *s0 = 0;
- u8 dont_translate = 0;
clib_bihash_kv_8_8_t kv0, value0;
u8 is_addr_only;
u32 next0 = ~0;
int err;
u8 identity_nat;
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);
- key0.protocol = 0;
+ *proto = 0;
- err = icmp_get_key (b0, ip0, &key0);
+ err = icmp_get_key (b0, ip0, addr, port, proto);
if (err != -1)
{
b0->error = node->errors[SNAT_OUT2IN_ERROR_UNSUPPORTED_PROTOCOL];
next0 = SNAT_OUT2IN_NEXT_DROP;
goto out;
}
- key0.fib_index = rx_fib_index0;
- kv0.key = key0.as_u64;
+ ip4_address_t mapping_addr;
+ u16 mapping_port;
+ u32 mapping_fib_index;
+ init_nat_k (&kv0, *addr, *port, *fib_index, *proto);
if (clib_bihash_search_8_8 (&tsm->out2in, &kv0, &value0))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */
if (snat_static_mapping_match
- (sm, key0, &sm0, 1, &is_addr_only, 0, 0, 0, &identity_nat))
+ (sm, *addr, *port, *fib_index, *proto,
+ &mapping_addr, &mapping_port, &mapping_fib_index, 1, &is_addr_only,
+ 0, 0, 0, &identity_nat))
{
if (!sm->forwarding_enabled)
{
if (PREDICT_FALSE (is_interface_addr (sm, node, sw_if_index0,
ip0->dst_address.as_u32)))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
b0->error = node->errors[SNAT_OUT2IN_ERROR_NO_TRANSLATION];
}
else
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
}
if (PREDICT_FALSE (identity_nat))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
/* Create session initiated by host from external network */
- s0 = create_session_for_static_mapping (sm, b0, sm0, key0,
- node, thread_index,
- vlib_time_now (vm));
+ s0 =
+ create_session_for_static_mapping (sm, b0, mapping_addr, mapping_port,
+ mapping_fib_index, *addr, *port,
+ *fib_index, *proto, node,
+ thread_index, vlib_time_now (vm));
if (!s0)
{
}
out:
- *p_proto = key0.protocol;
if (s0)
- *p_value = s0->in2out;
- *p_dont_translate = dont_translate;
+ {
+ *addr = s0->in2out.addr;
+ *port = s0->in2out.port;
+ *fib_index = s0->in2out.fib_index;
+ }
if (d)
*(snat_session_t **) d = s0;
return next0;
u32
icmp_match_out2in_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 * mapping_addr,
+ u16 * mapping_port, u32 * mapping_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;
+ ip4_address_t addr;
+ u16 port;
+ *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);
- 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_OUT2IN_NEXT_DROP;
- goto out2;
+ goto out;
}
- key0.fib_index = rx_fib_index0;
-
if (snat_static_mapping_match
- (sm, key0, &sm0, 1, &is_addr_only, 0, 0, 0, 0))
+ (sm, addr, port, rx_fib_index0, *proto, mapping_addr, mapping_port,
+ mapping_fib_index, 1, &is_addr_only, 0, 0, 0, 0))
{
/* Don't NAT packet aimed at the intfc address */
if (is_interface_addr (sm, node, sw_if_index0, ip0->dst_address.as_u32))
{
- dont_translate = 1;
+ *dont_translate = 1;
goto out;
}
b0->error = node->errors[SNAT_OUT2IN_ERROR_NO_TRANSLATION];
}
out:
- *p_value = sm0;
-out2:
- *p_proto = key0.protocol;
- *p_dont_translate = dont_translate;
return next0;
}
#endif
vlib_node_runtime_t * node,
u32 next0, u32 thread_index, void *d, void *e)
{
- snat_session_key_t sm0;
- u8 protocol;
icmp_echo_header_t *echo0, *inner_echo0 = 0;
ip4_header_t *inner_ip0 = 0;
void *l4_header = 0;
u16 checksum0;
u32 next0_tmp;
vlib_main_t *vm = vlib_get_main ();
+ ip4_address_t addr;
+ u16 port;
+ u32 fib_index;
+ nat_protocol_t proto;
echo0 = (icmp_echo_header_t *) (icmp0 + 1);
next0_tmp = sm->icmp_match_out2in_cb (sm, node, thread_index, b0, ip0,
- &protocol, &sm0, &dont_translate, d,
- e);
+ &addr, &port, &fib_index, &proto,
+ d, e, &dont_translate);
if (next0_tmp != ~0)
next0 = next0_tmp;
if (next0 == SNAT_OUT2IN_NEXT_DROP || dont_translate)
}
old_addr0 = ip0->dst_address.as_u32;
- new_addr0 = ip0->dst_address.as_u32 = sm0.addr.as_u32;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0.fib_index;
+ new_addr0 = ip0->dst_address.as_u32 = addr.as_u32;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = fib_index;
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;
}
old_addr0 = inner_ip0->src_address.as_u32;
- inner_ip0->src_address = sm0.addr;
+ inner_ip0->src_address = addr;
new_addr0 = inner_ip0->src_address.as_u32;
sum0 = icmp0->checksum;
src_address /* changed member */ );
icmp0->checksum = ip_csum_fold (sum0);
- switch (protocol)
+ switch (proto)
{
case NAT_PROTOCOL_ICMP:
inner_icmp0 = (icmp46_header_t *) l4_header;
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)->src_port;
- new_id0 = sm0.port;
+ new_id0 = port;
((tcp_udp_header_t *) l4_header)->src_port = new_id0;
sum0 = icmp0->checksum;
{
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->dst_address;
- m_key.port = 0;
- m_key.protocol = 0;
- m_key.fib_index = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, ip->dst_address, 0, 0, 0);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_external, &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, sm0, sm1;
u32 rx_fib_index0, rx_fib_index1;
u32 proto0, proto1;
snat_session_t *s0 = 0, *s1 = 0;
clib_bihash_kv_8_8_t kv0, kv1, value0, value1;
u8 identity_nat0, identity_nat1;
+ ip4_address_t sm_addr0, sm_addr1;
+ u16 sm_port0, sm_port1;
+ u32 sm_fib_index0, sm_fib_index1;
/* Prefetch next iteration. */
{
goto trace0;
}
- key0.addr = ip0->dst_address;
- key0.port = vnet_buffer (b0)->ip.reass.l4_dst_port;
- key0.protocol = proto0;
- key0.fib_index = rx_fib_index0;
-
- kv0.key = key0.as_u64;
-
+ init_nat_k (&kv0, ip0->dst_address,
+ vnet_buffer (b0)->ip.reass.l4_dst_port, rx_fib_index0,
+ proto0);
if (clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].out2in, &kv0, &value0))
{
/* Try to match static mapping by external address and port,
destination address and port in packet */
if (snat_static_mapping_match
- (sm, key0, &sm0, 1, 0, 0, 0, 0, &identity_nat0))
+ (sm, ip0->dst_address,
+ vnet_buffer (b0)->ip.reass.l4_dst_port, rx_fib_index0,
+ proto0, &sm_addr0, &sm_port0, &sm_fib_index0, 1, 0, 0, 0,
+ 0, &identity_nat0))
{
/*
* Send DHCP packets to the ipv4 stack, or we won't
goto trace0;
/* Create session initiated by host from external network */
- s0 = create_session_for_static_mapping (sm, b0, sm0, key0, node,
- thread_index, now);
+ s0 = create_session_for_static_mapping (sm, b0,
+ sm_addr0, sm_port0,
+ sm_fib_index0,
+ ip0->dst_address,
+ vnet_buffer (b0)->
+ ip.reass.l4_dst_port,
+ rx_fib_index0, proto0,
+ node, thread_index,
+ now);
if (!s0)
{
next0 = SNAT_OUT2IN_NEXT_DROP;
goto trace1;
}
- key1.addr = ip1->dst_address;
- key1.port = vnet_buffer (b1)->ip.reass.l4_dst_port;
- key1.protocol = proto1;
- key1.fib_index = rx_fib_index1;
-
- kv1.key = key1.as_u64;
+ init_nat_k (&kv1, ip1->dst_address,
+ vnet_buffer (b1)->ip.reass.l4_dst_port, rx_fib_index1,
+ proto1);
if (clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].out2in, &kv1, &value1))
/* Try to match static mapping by external address and port,
destination address and port in packet */
if (snat_static_mapping_match
- (sm, key1, &sm1, 1, 0, 0, 0, 0, &identity_nat1))
+ (sm, ip1->dst_address,
+ vnet_buffer (b1)->ip.reass.l4_dst_port, proto1,
+ rx_fib_index1, &sm_addr1, &sm_port1, &sm_fib_index1, 1, 0,
+ 0, 0, 0, &identity_nat1))
{
/*
* Send DHCP packets to the ipv4 stack, or we won't
goto trace1;
/* Create session initiated by host from external network */
- s1 = create_session_for_static_mapping (sm, b1, sm1, key1, node,
- thread_index, now);
+ s1 =
+ create_session_for_static_mapping (sm, b1, sm_addr1, sm_port1,
+ sm_fib_index1,
+ ip1->dst_address,
+ vnet_buffer (b1)->ip.
+ reass.l4_dst_port,
+ rx_fib_index1, proto1,
+ node, thread_index, now);
if (!s1)
{
next1 = SNAT_OUT2IN_NEXT_DROP;
udp_header_t *udp0;
tcp_header_t *tcp0;
icmp46_header_t *icmp0;
- snat_session_key_t key0, sm0;
u32 rx_fib_index0;
u32 proto0;
snat_session_t *s0 = 0;
clib_bihash_kv_8_8_t kv0, value0;
u8 identity_nat0;
+ ip4_address_t sm_addr0;
+ u16 sm_port0;
+ u32 sm_fib_index0;
/* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
goto trace00;
}
- key0.addr = ip0->dst_address;
- key0.port = vnet_buffer (b0)->ip.reass.l4_dst_port;
- key0.protocol = proto0;
- key0.fib_index = rx_fib_index0;
-
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, ip0->dst_address,
+ vnet_buffer (b0)->ip.reass.l4_dst_port, rx_fib_index0,
+ proto0);
if (clib_bihash_search_8_8
(&sm->per_thread_data[thread_index].out2in, &kv0, &value0))
/* Try to match static mapping by external address and port,
destination address and port in packet */
if (snat_static_mapping_match
- (sm, key0, &sm0, 1, 0, 0, 0, 0, &identity_nat0))
+ (sm, ip0->dst_address,
+ vnet_buffer (b0)->ip.reass.l4_dst_port, rx_fib_index0,
+ proto0, &sm_addr0, &sm_port0, &sm_fib_index0, 1, 0, 0, 0,
+ 0, &identity_nat0))
{
/*
* Send DHCP packets to the ipv4 stack, or we won't
goto trace00;
/* Create session initiated by host from external network */
- s0 = create_session_for_static_mapping (sm, b0, sm0, key0, node,
- thread_index, now);
+ s0 = create_session_for_static_mapping (sm, b0,
+ sm_addr0, sm_port0,
+ sm_fib_index0,
+ ip0->dst_address,
+ vnet_buffer (b0)->
+ ip.reass.l4_dst_port,
+ rx_fib_index0, proto0,
+ node, thread_index,
+ now);
if (!s0)
{
next0 = SNAT_OUT2IN_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 sm_addr0;
+ u16 sm_port0;
+ u32 sm_fib_index0;
/* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
goto trace00;
}
- key0.addr = ip0->dst_address;
- key0.port = udp0->dst_port;
- key0.fib_index = rx_fib_index0;
-
- if (snat_static_mapping_match (sm, key0, &sm0, 1, 0, 0, 0, 0, 0))
+ if (snat_static_mapping_match
+ (sm, ip0->dst_address, udp0->dst_port, rx_fib_index0, proto0,
+ &sm_addr0, &sm_port0, &sm_fib_index0, 1, 0, 0, 0, 0, 0))
{
b0->error = node->errors[SNAT_OUT2IN_ERROR_NO_TRANSLATION];
goto trace00;
}
- new_addr0 = sm0.addr.as_u32;
- new_port0 = sm0.port;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0.fib_index;
+ new_addr0 = sm_addr0.as_u32;
+ new_port0 = sm_port0;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm_fib_index0;
old_addr0 = ip0->dst_address.as_u32;
ip0->dst_address.as_u32 = new_addr0;
Code Review / vpp.git / blobdiff