Rework kube-proxy into LB plugin

Add support of NAT66

Change-Id: Ie6aa79078a3835f989829b9a597c448dfd2f9ea3
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>

1 files changed, 63 insertions, 17 deletions

diff --git a/src/plugins/lb/api.c b/src/plugins/lb/api.c
index 28af6daa421..beec4ae5876 100644
--- a/src/plugins/lb/api.c
+++ b/src/plugins/lb/api.c
@@ -107,33 +107,52 @@ vl_api_lb_add_del_vip_t_handler
   lb_main_t *lbm = &lb_main;
   vl_api_lb_conf_reply_t * rmp;
   int rv = 0;
-  ip46_address_t prefix;
-  memcpy(&prefix.ip6, mp->ip_prefix, sizeof(prefix.ip6));
+  lb_vip_add_args_t args;
+
+  memcpy (&(args.prefix.ip6), mp->ip_prefix, sizeof(args.prefix.ip6));
 
   if (mp->is_del) {
     u32 vip_index;
-    if (!(rv = lb_vip_find_index(&prefix, mp->prefix_length, &vip_index)))
+    if (!(rv = lb_vip_find_index(&(args.prefix), mp->prefix_length, &vip_index)))
       rv = lb_vip_del(vip_index);
   } else {
     u32 vip_index;
     lb_vip_type_t type = 0;
 
-    if (ip46_prefix_is_ip4(&prefix, mp->prefix_length)) {
+    if (ip46_prefix_is_ip4(&(args.prefix), mp->prefix_length)) {
         if (mp->encap == LB_ENCAP_TYPE_GRE4)
-  	type = LB_VIP_TYPE_IP4_GRE4;
+            type = LB_VIP_TYPE_IP4_GRE4;
         else if (mp->encap == LB_ENCAP_TYPE_GRE6)
-  	type = LB_VIP_TYPE_IP4_GRE6;
+            type = LB_VIP_TYPE_IP4_GRE6;
         else if (mp->encap == LB_ENCAP_TYPE_L3DSR)
-  	type = LB_VIP_TYPE_IP4_L3DSR;
+            type = LB_VIP_TYPE_IP4_L3DSR;
+        else if (mp->encap == LB_ENCAP_TYPE_NAT4)
+            type = LB_VIP_TYPE_IP4_NAT4;
     } else {
         if (mp->encap == LB_ENCAP_TYPE_GRE4)
-  	type = LB_VIP_TYPE_IP6_GRE4;
+            type = LB_VIP_TYPE_IP6_GRE4;
         else if (mp->encap == LB_ENCAP_TYPE_GRE6)
-  	type = LB_VIP_TYPE_IP6_GRE6;
+            type = LB_VIP_TYPE_IP6_GRE6;
+        else if (mp->encap == LB_ENCAP_TYPE_NAT6)
+            type = LB_VIP_TYPE_IP6_NAT6;
     }
 
-    rv = lb_vip_add(&prefix, mp->prefix_length, type, mp->dscp,
-                    mp->new_flows_table_length, &vip_index);
+    args.plen = mp->prefix_length;
+    args.type = type;
+    args.new_length = mp->new_flows_table_length;
+
+    if (mp->encap == LB_ENCAP_TYPE_L3DSR) {
+        args.encap_args.dscp = (u8)(mp->dscp & 0x3F);
+      }
+    else if ((mp->encap == LB_ENCAP_TYPE_NAT4)
+            ||(mp->encap == LB_ENCAP_TYPE_NAT6)) {
+        args.encap_args.srv_type = mp->type;
+        args.encap_args.port = ntohs(mp->port);
+        args.encap_args.target_port = ntohs(mp->target_port);
+        args.encap_args.node_port = ntohs(mp->node_port);
+      }
+
+    rv = lb_vip_add(args, &vip_index);
   }
  REPLY_MACRO (VL_API_LB_CONF_REPLY);
 }
@@ -146,8 +165,26 @@ static void *vl_api_lb_add_del_vip_t_print
   s = format (s, "%U ", format_ip46_prefix,
               (ip46_address_t *)mp->ip_prefix, mp->prefix_length, IP46_TYPE_ANY);
 
-  s = format (s, "%s ", (mp->encap==LB_ENCAP_TYPE_GRE4)?
-              "gre4":(mp->encap==LB_ENCAP_TYPE_GRE6)?"gre6":"l3dsr");
+  s = format (s, "%s ", (mp->encap == LB_ENCAP_TYPE_GRE4)? "gre4"
+              : (mp->encap == LB_ENCAP_TYPE_GRE6)? "gre6"
+              : (mp->encap == LB_ENCAP_TYPE_NAT4)? "nat4"
+              : (mp->encap == LB_ENCAP_TYPE_NAT6)? "nat6"
+              : "l3dsr");
+
+  if (mp->encap==LB_ENCAP_TYPE_L3DSR)
+    {
+      s = format (s, "dscp %u ", mp->dscp);
+    }
+
+  if ((mp->encap==LB_ENCAP_TYPE_NAT4)
+      || (mp->encap==LB_ENCAP_TYPE_NAT6))
+    {
+      s = format (s, "type %u ", mp->type);
+      s = format (s, "port %u ", mp->port);
+      s = format (s, "target_port %u ", mp->target_port);
+      s = format (s, "node_port %u ", mp->node_port);
+    }
+
   s = format (s, "%u ", mp->new_flows_table_length);
   s = format (s, "%s ", mp->is_del?"del":"add");
   FINISH;
@@ -161,14 +198,23 @@ vl_api_lb_add_del_as_t_handler
   vl_api_lb_conf_reply_t * rmp;
   int rv = 0;
   u32 vip_index;
-  if ((rv = lb_vip_find_index((ip46_address_t *)mp->vip_ip_prefix,
-                              mp->vip_prefix_length, &vip_index)))
+  ip46_address_t vip_ip_prefix;
+
+  memcpy(&vip_ip_prefix.ip6, mp->vip_ip_prefix,
+         sizeof(vip_ip_prefix.ip6));
+
+  ip46_address_t as_address;
+
+  memcpy(&as_address.ip6, mp->as_address,
+         sizeof(as_address.ip6));
+
+  if ((rv = lb_vip_find_index(&vip_ip_prefix, mp->vip_prefix_length, &vip_index)))
     goto done;
 
   if (mp->is_del)
-    rv = lb_vip_del_ass(vip_index, (ip46_address_t *)mp->as_address, 1);
+    rv = lb_vip_del_ass(vip_index, &as_address, 1);
   else
-    rv = lb_vip_add_ass(vip_index, (ip46_address_t *)mp->as_address, 1);
+    rv = lb_vip_add_ass(vip_index, &as_address, 1);
 
 done:
  REPLY_MACRO (VL_API_LB_CONF_REPLY);