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path: root/src/plugins/nat/nat44_hairpinning.c
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Diffstat (limited to 'src/plugins/nat/nat44_hairpinning.c')
-rw-r--r--src/plugins/nat/nat44_hairpinning.c83
1 files changed, 33 insertions, 50 deletions
diff --git a/src/plugins/nat/nat44_hairpinning.c b/src/plugins/nat/nat44_hairpinning.c
index 1c91bd77e04..f15de9530da 100644
--- a/src/plugins/nat/nat44_hairpinning.c
+++ b/src/plugins/nat/nat44_hairpinning.c
@@ -93,7 +93,6 @@ is_hairpinning (snat_main_t * sm, ip4_address_t * dst_addr)
{
snat_address_t *ap;
clib_bihash_kv_8_8_t kv, value;
- snat_session_key_t m_key;
/* *INDENT-OFF* */
vec_foreach (ap, sm->addresses)
@@ -103,11 +102,7 @@ is_hairpinning (snat_main_t * sm, ip4_address_t * dst_addr)
}
/* *INDENT-ON* */
- m_key.addr.as_u32 = dst_addr->as_u32;
- m_key.fib_index = 0;
- m_key.port = 0;
- m_key.protocol = 0;
- kv.key = m_key.as_u64;
+ init_nat_k (&kv, *dst_addr, 0, 0, 0);
if (!clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
return 1;
@@ -121,26 +116,23 @@ snat_hairpinning (vlib_main_t * vm, vlib_node_runtime_t * node,
udp_header_t * udp0, tcp_header_t * tcp0, u32 proto0,
int is_ed, int do_trace)
{
- snat_session_key_t key0, sm0;
snat_session_t *s0 = NULL;
clib_bihash_kv_8_8_t kv0, value0;
ip_csum_t sum0;
u32 new_dst_addr0 = 0, old_dst_addr0, ti = 0, si = ~0;
u16 new_dst_port0 = ~0, old_dst_port0;
int rv;
-
- 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;
-
+ ip4_address_t sm0_addr;
+ u16 sm0_port;
+ u32 sm0_fib_index;
/* Check if destination is static mappings */
- 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, sm->outside_fib_index, proto0,
+ &sm0_addr, &sm0_port, &sm0_fib_index, 1, 0, 0, 0, 0, 0))
{
- new_dst_addr0 = sm0.addr.as_u32;
- new_dst_port0 = sm0.port;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0.fib_index;
+ new_dst_addr0 = sm0_addr.as_u32;
+ new_dst_port0 = sm0_port;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sm0_fib_index;
}
/* or active session */
else
@@ -155,17 +147,21 @@ snat_hairpinning (vlib_main_t * vm, vlib_node_runtime_t * node,
if (is_ed)
{
clib_bihash_kv_16_8_t ed_kv, ed_value;
- make_ed_kv (&ip0->dst_address, &ip0->src_address,
- ip0->protocol, sm->outside_fib_index, udp0->dst_port,
- udp0->src_port, ~0, ~0, &ed_kv);
+ init_ed_k (&ed_kv, ip0->dst_address, udp0->dst_port,
+ ip0->src_address, udp0->src_port, sm->outside_fib_index,
+ ip0->protocol);
rv = clib_bihash_search_16_8 (&sm->out2in_ed, &ed_kv, &ed_value);
ASSERT (ti == ed_value_get_thread_index (&ed_value));
si = ed_value_get_session_index (&ed_value);
}
else
{
- rv = clib_bihash_search_8_8 (&sm->per_thread_data[ti].out2in, &kv0,
- &value0);
+
+ init_nat_k (&kv0, ip0->dst_address, udp0->dst_port,
+ sm->outside_fib_index, proto0);
+ rv =
+ clib_bihash_search_8_8 (&sm->per_thread_data[ti].out2in, &kv0,
+ &value0);
si = value0.value;
}
if (rv)
@@ -250,7 +246,6 @@ snat_icmp_hairpinning (snat_main_t * sm,
vlib_buffer_t * b0,
ip4_header_t * ip0, icmp46_header_t * icmp0, int is_ed)
{
- snat_session_key_t key0;
clib_bihash_kv_8_8_t kv0, value0;
u32 old_dst_addr0, new_dst_addr0;
u32 old_addr0, new_addr0;
@@ -277,10 +272,9 @@ snat_icmp_hairpinning (snat_main_t * sm,
if (is_ed)
{
clib_bihash_kv_16_8_t ed_kv, ed_value;
- make_ed_kv (&ip0->dst_address, &ip0->src_address,
- inner_ip0->protocol, sm->outside_fib_index,
- l4_header->src_port, l4_header->dst_port, ~0, ~0,
- &ed_kv);
+ init_ed_k (&ed_kv, ip0->dst_address, l4_header->src_port,
+ ip0->src_address, l4_header->dst_port,
+ sm->outside_fib_index, inner_ip0->protocol);
if (clib_bihash_search_16_8 (&sm->out2in_ed, &ed_kv, &ed_value))
return 1;
ASSERT (ti == ed_value_get_thread_index (&ed_value));
@@ -288,13 +282,10 @@ snat_icmp_hairpinning (snat_main_t * sm,
}
else
{
- key0.addr = ip0->dst_address;
- key0.port = l4_header->src_port;
- key0.protocol = protocol;
- key0.fib_index = sm->outside_fib_index;
- kv0.key = key0.as_u64;
- if (clib_bihash_search_8_8 (&sm->per_thread_data[ti].out2in, &kv0,
- &value0))
+ init_nat_k (&kv0, ip0->dst_address, l4_header->src_port,
+ sm->outside_fib_index, protocol);
+ if (clib_bihash_search_8_8
+ (&sm->per_thread_data[ti].out2in, &kv0, &value0))
return 1;
si = value0.value;
}
@@ -334,12 +325,7 @@ snat_icmp_hairpinning (snat_main_t * sm,
}
else
{
- key0.addr = ip0->dst_address;
- key0.port = 0;
- key0.protocol = 0;
- key0.fib_index = sm->outside_fib_index;
- kv0.key = key0.as_u64;
-
+ init_nat_k (&kv0, ip0->dst_address, 0, sm->outside_fib_index, 0);
if (clib_bihash_search_8_8
(&sm->static_mapping_by_external, &kv0, &value0))
{
@@ -347,11 +333,8 @@ snat_icmp_hairpinning (snat_main_t * sm,
{
icmp_echo_header_t *echo0 = (icmp_echo_header_t *) (icmp0 + 1);
u16 icmp_id0 = echo0->identifier;
- key0.addr = ip0->dst_address;
- key0.port = icmp_id0;
- key0.protocol = NAT_PROTOCOL_ICMP;
- key0.fib_index = sm->outside_fib_index;
- kv0.key = key0.as_u64;
+ init_nat_k (&kv0, ip0->dst_address, icmp_id0,
+ sm->outside_fib_index, NAT_PROTOCOL_ICMP);
if (sm->num_workers > 1)
ti =
(clib_net_to_host_u16 (icmp_id0) -
@@ -412,7 +395,7 @@ nat_hairpinning_sm_unknown_proto (snat_main_t * sm,
u32 old_addr, new_addr;
ip_csum_t sum;
- 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))
return;
@@ -447,11 +430,11 @@ nat44_ed_hairpinning_unknown_proto (snat_main_t * sm,
ti = sm->num_workers;
old_addr = ip->dst_address.as_u32;
- make_ed_kv (&ip->dst_address, &ip->src_address, ip->protocol,
- sm->outside_fib_index, 0, 0, ~0, ~0, &s_kv);
+ init_ed_k (&s_kv, ip->dst_address, 0, ip->src_address, 0,
+ sm->outside_fib_index, ip->protocol);
if (clib_bihash_search_16_8 (&sm->out2in_ed, &s_kv, &s_value))
{
- 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))
return;