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authorKlement Sekera <ksekera@cisco.com>2020-04-17 18:04:59 +0000
committerKlement Sekera <ksekera@cisco.com>2020-04-20 11:46:35 +0000
commitb86437b79b82493c2e9728929df417f55b153824 (patch)
tree4d8523d12aafa3a547649d2ffdb869a76fbb73e8 /src/plugins/nat/nat44_hairpinning.c
parent040d47c2cce87255a101f301239192c5599b0db5 (diff)
nat: remove unused code
Type: improvement Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: If5c00faa309cf3e1ea8bdf8b23250041f6a499c4
Diffstat (limited to 'src/plugins/nat/nat44_hairpinning.c')
-rw-r--r--src/plugins/nat/nat44_hairpinning.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/src/plugins/nat/nat44_hairpinning.c b/src/plugins/nat/nat44_hairpinning.c
index 69a19b80645..c0b84127741 100644
--- a/src/plugins/nat/nat44_hairpinning.c
+++ b/src/plugins/nat/nat44_hairpinning.c
@@ -424,119 +424,6 @@ nat44_ed_hairpinning_unknown_proto (snat_main_t * sm,
}
#endif
-#ifndef CLIB_MARCH_VARIANT
-void
-nat44_reass_hairpinning (snat_main_t * sm,
- vlib_buffer_t * b0,
- ip4_header_t * ip0,
- u16 sport, u16 dport, u32 proto0, int is_ed)
-{
- snat_session_key_t key0, sm0;
- snat_session_t *s0;
- clib_bihash_kv_8_8_t kv0, value0;
- ip_csum_t sum0;
- u32 new_dst_addr0 = 0, old_dst_addr0, ti = 0, si;
- u16 new_dst_port0, old_dst_port0;
- udp_header_t *udp0;
- tcp_header_t *tcp0;
- int rv;
-
- key0.addr = ip0->dst_address;
- key0.port = dport;
- key0.protocol = proto0;
- key0.fib_index = sm->outside_fib_index;
- kv0.key = key0.as_u64;
-
- udp0 = ip4_next_header (ip0);
-
- /* Check if destination is static mappings */
- if (!snat_static_mapping_match (sm, key0, &sm0, 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;
- }
- /* or active sessions */
- else
- {
- if (sm->num_workers > 1)
- ti =
- (clib_net_to_host_u16 (udp0->dst_port) -
- 1024) / sm->port_per_thread;
- else
- ti = sm->num_workers;
-
- if (is_ed)
- {
- clib_bihash_kv_16_8_t ed_kv, ed_value;
- make_ed_kv (&ed_kv, &ip0->dst_address, &ip0->src_address,
- ip0->protocol, sm->outside_fib_index, udp0->dst_port,
- udp0->src_port);
- rv = clib_bihash_search_16_8 (&sm->per_thread_data[ti].out2in_ed,
- &ed_kv, &ed_value);
- si = ed_value.value;
- }
- else
- {
- rv = clib_bihash_search_8_8 (&sm->per_thread_data[ti].out2in, &kv0,
- &value0);
- si = value0.value;
- }
- if (!rv)
- {
- s0 = pool_elt_at_index (sm->per_thread_data[ti].sessions, si);
- new_dst_addr0 = s0->in2out.addr.as_u32;
- new_dst_port0 = s0->in2out.port;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = s0->in2out.fib_index;
- }
- }
-
- /* Destination is behind the same NAT, use internal address and port */
- if (new_dst_addr0)
- {
- old_dst_addr0 = ip0->dst_address.as_u32;
- ip0->dst_address.as_u32 = new_dst_addr0;
- sum0 = ip0->checksum;
- sum0 = ip_csum_update (sum0, old_dst_addr0, new_dst_addr0,
- ip4_header_t, dst_address);
- ip0->checksum = ip_csum_fold (sum0);
-
- old_dst_port0 = dport;
- if (PREDICT_TRUE (new_dst_port0 != old_dst_port0 &&
- ip4_is_first_fragment (ip0)))
- {
- if (PREDICT_TRUE (proto0 == SNAT_PROTOCOL_TCP))
- {
- tcp0 = ip4_next_header (ip0);
- tcp0->dst = new_dst_port0;
- sum0 = tcp0->checksum;
- sum0 = ip_csum_update (sum0, old_dst_addr0, new_dst_addr0,
- ip4_header_t, dst_address);
- sum0 = ip_csum_update (sum0, old_dst_port0, new_dst_port0,
- ip4_header_t /* cheat */ , length);
- tcp0->checksum = ip_csum_fold (sum0);
- }
- else
- {
- udp0->dst_port = new_dst_port0;
- udp0->checksum = 0;
- }
- }
- else
- {
- if (PREDICT_TRUE (proto0 == SNAT_PROTOCOL_TCP))
- {
- tcp0 = ip4_next_header (ip0);
- sum0 = tcp0->checksum;
- sum0 = ip_csum_update (sum0, old_dst_addr0, new_dst_addr0,
- ip4_header_t, dst_address);
- tcp0->checksum = ip_csum_fold (sum0);
- }
- }
- }
-}
-#endif
-
static inline uword
nat44_hairpinning_fn_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,