Revert "NAT44: interface output feature and service host direct access (VPP-1176)"

This reverts commit d30c94afe4e67298b3da6fd839e0210844cf45a5.

Change-Id: Ic076f6c116e1d816c492eb8e03e50cf95cedae77
Signed-off-by: Matus Fabian <matfabia@cisco.com>

1 files changed, 4 insertions, 54 deletions

diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c
index e6854e55440..97cd2903a9d 100755
--- a/src/plugins/nat/out2in.c
+++ b/src/plugins/nat/out2in.c
@@ -311,43 +311,6 @@ icmp_get_ed_key(ip4_header_t *ip0, nat_ed_ses_key_t *p_key0)
   return 0;
 }
 
-static void
-create_bypass_for_fwd(snat_main_t * sm, ip4_header_t * ip)
-{
-  nat_ed_ses_key_t key;
-  clib_bihash_kv_16_8_t kv;
-  udp_header_t *udp;
-
-  if (ip->protocol == IP_PROTOCOL_ICMP)
-    {
-      if (icmp_get_ed_key (ip, &key))
-        return;
-    }
-  else if (ip->protocol == IP_PROTOCOL_UDP || ip->protocol == IP_PROTOCOL_TCP)
-    {
-      udp = ip4_next_header(ip);
-      key.r_addr = ip->src_address;
-      key.l_addr = ip->dst_address;
-      key.proto = ip->protocol;
-      key.l_port = udp->dst_port;
-      key.r_port = udp->src_port;
-    }
-  else
-    {
-      key.r_addr = ip->src_address;
-      key.l_addr = ip->dst_address;
-      key.proto = ip->protocol;
-      key.l_port = key.r_port = 0;
-    }
-  key.fib_index = 0;
-  kv.key[0] = key.as_u64[0];
-  kv.key[1] = key.as_u64[1];
-  kv.value = ~0ULL;
-
-  if (clib_bihash_add_del_16_8 (&sm->in2out_ed, &kv, 1))
-    clib_warning ("in2out_ed key add failed");
-}
-
 /**
  * Get address and port values to be used for ICMP packet translation
  * and create session if needed
@@ -419,7 +382,6 @@ u32 icmp_match_out2in_slow(snat_main_t *sm, vlib_node_runtime_t *node,
             }
           else
             {
-              create_bypass_for_fwd(sm, ip0);
               dont_translate = 1;
               goto out;
             }
@@ -1151,10 +1113,7 @@ snat_out2in_node_fn (vlib_main_t * vm,
                       goto trace0;
                     }
                   else
-                    {
-                      create_bypass_for_fwd(sm, ip0);
-                      goto trace0;
-                    }
+                    goto trace0;
                 }
 
               /* Create session initiated by host from external network */
@@ -1318,10 +1277,7 @@ snat_out2in_node_fn (vlib_main_t * vm,
                       goto trace1;
                     }
                   else
-                    {
-                      create_bypass_for_fwd(sm, ip1);
-                      goto trace1;
-                    }
+                    goto trace1;
                 }
 
               /* Create session initiated by host from external network */
@@ -1521,10 +1477,7 @@ snat_out2in_node_fn (vlib_main_t * vm,
                       goto trace00;
                     }
                   else
-                    {
-                      create_bypass_for_fwd(sm, ip0);
-                      goto trace00;
-                    }
+                    goto trace00;
                 }
 
               /* Create session initiated by host from external network */
@@ -1764,10 +1717,7 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm,
                           goto trace0;
                         }
                       else
-                        {
-                          create_bypass_for_fwd(sm, ip0);
-                          goto trace0;
-                        }
+                        goto trace0;
                     }
 
                   /* Create session initiated by host from external network */