VXLAN-GBP: use common types on the API

Change-Id: I11ec0d7048d36c30a97d437e5b0abd05f06ab0eb
Signed-off-by: Neale Ranns <nranns@cisco.com>

4 files changed, 73 insertions, 81 deletions

diff --git a/src/vnet/vxlan-gbp/vxlan_gbp.api b/src/vnet/vxlan-gbp/vxlan_gbp.api
index ecb5ba27f18..6e41ec8b2b9 100644
--- a/src/vnet/vxlan-gbp/vxlan_gbp.api
+++ b/src/vnet/vxlan-gbp/vxlan_gbp.api
@@ -1,3 +1,4 @@
+/* Hey Emacs use -*- mode: C -*- */
 /*
  * Copyright (c) 2018 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,39 +14,45 @@
  * limitations under the License.
  */
 
-option version = "1.0.0";
+option version = "1.1.0";
+import "vnet/ip/ip_types.api";
 
-/** \brief Create or delete a VXLAN-GBP tunnel
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - Use 1 to create the tunnel, 0 to remove it
-    @param is_ipv6 - Use 0 for IPv4, 1 for IPv6
+/** \brief Definition of a VXLAN GBP tunnel
     @param instance - optional unique custom device instance, else ~0.
-    @param src_address - Source IP address
-    @param dst_address - Destination IP address, can be multicast
+    @param src - Source IP address
+    @param dst - Destination IP address, can be multicast
     @param mcast_sw_if_index - Interface for multicast destination
-    @param encap_vrf_id - Encap route table FIB index
+    @param encap_table_id - Encap route table 
     @param decap_next_index - Name of decap next graph node
     @param vni - The VXLAN Network Identifier, uint24
-    @param sclass - The policy group id
+    @param sw_ifindex - Ignored in add message, set in details
 */
-define vxlan_gbp_add_del_tunnel
+typedef vxlan_gbp_tunnel
 {
-  u32 client_index;
-  u32 context;
-  u8 is_add;
-  u8 is_ipv6;
-  u32 instance;		/* If non-~0, specifies a custom dev instance */
-  u8 src_address[16];
-  u8 dst_address[16];
+  u32 instance;
+  vl_api_address_t src;
+  vl_api_address_t dst;
   u32 mcast_sw_if_index;
-  u32 encap_vrf_id;
+  u32 encap_table_id;
   u32 decap_next_index;
   u32 vni;
-  u16 sclass;
+  u32 sw_if_index;
 };
 
-define vxlan_gbp_add_del_tunnel_reply
+/** \brief Create or delete a VXLAN-GBP tunnel
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param is_add - Use 1 to create the tunnel, 0 to remove it
+*/
+define vxlan_gbp_tunnel_add_del
+{
+  u32 client_index;
+  u32 context;
+  u8 is_add;
+  vl_api_vxlan_gbp_tunnel_t tunnel;
+};
+
+define vxlan_gbp_tunnel_add_del_reply
 {
   u32 context;
   i32 retval;
@@ -62,16 +69,7 @@ define vxlan_gbp_tunnel_dump
 define vxlan_gbp_tunnel_details
 {
   u32 context;
-  u32 sw_if_index;
-  u32 instance;
-  u8 src_address[16];
-  u8 dst_address[16];
-  u32 mcast_sw_if_index;
-  u32 encap_vrf_id;
-  u32 decap_next_index;
-  u32 vni;
-  u16 sclass;
-  u8 is_ipv6;
+  vl_api_vxlan_gbp_tunnel_t tunnel;
 };
 
 /** \brief Interface set vxlan-bypass request
diff --git a/src/vnet/vxlan-gbp/vxlan_gbp.c b/src/vnet/vxlan-gbp/vxlan_gbp.c
index 14b3e667dbf..253261dc9e5 100644
--- a/src/vnet/vxlan-gbp/vxlan_gbp.c
+++ b/src/vnet/vxlan-gbp/vxlan_gbp.c
@@ -352,8 +352,8 @@ mcast_shared_remove (ip46_address_t * dst)
   hash_unset_mem_free (&vxlan_gbp_main.mcast_shared, dst);
 }
 
-int vnet_vxlan_gbp_add_del_tunnel
-  (vnet_vxlan_gbp_add_del_tunnel_args_t * a, u32 * sw_if_indexp)
+int vnet_vxlan_gbp_tunnel_add_del
+  (vnet_vxlan_gbp_tunnel_add_del_args_t * a, u32 * sw_if_indexp)
 {
   vxlan_gbp_main_t *vxm = &vxlan_gbp_main;
   vxlan_gbp_tunnel_t *t = 0;
@@ -654,7 +654,7 @@ unformat_decap_next (unformat_input_t * input, va_list * args)
 }
 
 static clib_error_t *
-vxlan_gbp_add_del_tunnel_command_fn (vlib_main_t * vm,
+vxlan_gbp_tunnel_add_del_command_fn (vlib_main_t * vm,
 				     unformat_input_t * input,
 				     vlib_cli_command_t * cmd)
 {
@@ -763,7 +763,7 @@ vxlan_gbp_add_del_tunnel_command_fn (vlib_main_t * vm,
   if (vni >> 24)
     return clib_error_return (0, "vni %d out of range", vni);
 
-  vnet_vxlan_gbp_add_del_tunnel_args_t a = {
+  vnet_vxlan_gbp_tunnel_add_del_args_t a = {
     .is_add = is_add,
     .is_ip6 = ipv6_set,
     .instance = instance,
@@ -773,7 +773,7 @@ vxlan_gbp_add_del_tunnel_command_fn (vlib_main_t * vm,
   };
 
   u32 tunnel_sw_if_index;
-  int rv = vnet_vxlan_gbp_add_del_tunnel (&a, &tunnel_sw_if_index);
+  int rv = vnet_vxlan_gbp_tunnel_add_del (&a, &tunnel_sw_if_index);
 
   switch (rv)
     {
@@ -794,7 +794,7 @@ vxlan_gbp_add_del_tunnel_command_fn (vlib_main_t * vm,
 
     default:
       return clib_error_return
-	(0, "vnet_vxlan_gbp_add_del_tunnel returned %d", rv);
+	(0, "vnet_vxlan_gbp_tunnel_add_del returned %d", rv);
     }
 
   return 0;
@@ -832,7 +832,7 @@ VLIB_CLI_COMMAND (create_vxlan_gbp_tunnel_command, static) = {
   " {dst <remote-vtep-addr>|group <mcast-vtep-addr> <intf-name>} vni <nn>"
   " [instance <id>]"
   " [encap-vrf-id <nn>] [decap-next [l2|node <name>]] [del]",
-  .function = vxlan_gbp_add_del_tunnel_command_fn,
+  .function = vxlan_gbp_tunnel_add_del_command_fn,
 };
 /* *INDENT-ON* */
 
diff --git a/src/vnet/vxlan-gbp/vxlan_gbp.h b/src/vnet/vxlan-gbp/vxlan_gbp.h
index bc0ccf308b6..472866ecd6d 100644
--- a/src/vnet/vxlan-gbp/vxlan_gbp.h
+++ b/src/vnet/vxlan-gbp/vxlan_gbp.h
@@ -185,15 +185,14 @@ typedef struct
   u8 is_ip6;
   u32 instance;
   ip46_address_t src, dst;
-  u16 sclass;
   u32 mcast_sw_if_index;
   u32 encap_fib_index;
   u32 decap_next_index;
   u32 vni;
-} vnet_vxlan_gbp_add_del_tunnel_args_t;
+} vnet_vxlan_gbp_tunnel_add_del_args_t;
 
-int vnet_vxlan_gbp_add_del_tunnel
-  (vnet_vxlan_gbp_add_del_tunnel_args_t * a, u32 * sw_if_indexp);
+int vnet_vxlan_gbp_tunnel_add_del
+  (vnet_vxlan_gbp_tunnel_add_del_args_t * a, u32 * sw_if_indexp);
 
 void vnet_int_vxlan_gbp_bypass_mode (u32 sw_if_index, u8 is_ip6,
 				     u8 is_enable);
diff --git a/src/vnet/vxlan-gbp/vxlan_gbp_api.c b/src/vnet/vxlan-gbp/vxlan_gbp_api.c
index b064a1f4392..1bba74d6370 100644
--- a/src/vnet/vxlan-gbp/vxlan_gbp_api.c
+++ b/src/vnet/vxlan-gbp/vxlan_gbp_api.c
@@ -25,6 +25,7 @@
 #include <vnet/feature/feature.h>
 #include <vnet/vxlan-gbp/vxlan_gbp.h>
 #include <vnet/fib/fib_table.h>
+#include <vnet/ip/ip_types_api.h>
 
 #include <vnet/vnet_msg_enum.h>
 
@@ -46,7 +47,7 @@
 
 #define foreach_vpe_api_msg                             \
 _(SW_INTERFACE_SET_VXLAN_GBP_BYPASS, sw_interface_set_vxlan_gbp_bypass)         \
-_(VXLAN_GBP_ADD_DEL_TUNNEL, vxlan_gbp_add_del_tunnel)                           \
+_(VXLAN_GBP_TUNNEL_ADD_DEL, vxlan_gbp_tunnel_add_del)                           \
 _(VXLAN_GBP_TUNNEL_DUMP, vxlan_gbp_tunnel_dump)
 
 static void
@@ -65,32 +66,36 @@ static void
   REPLY_MACRO (VL_API_SW_INTERFACE_SET_VXLAN_GBP_BYPASS_REPLY);
 }
 
-static void vl_api_vxlan_gbp_add_del_tunnel_t_handler
-  (vl_api_vxlan_gbp_add_del_tunnel_t * mp)
+static void vl_api_vxlan_gbp_tunnel_add_del_t_handler
+  (vl_api_vxlan_gbp_tunnel_add_del_t * mp)
 {
-  vl_api_vxlan_gbp_add_del_tunnel_reply_t *rmp;
+  vl_api_vxlan_gbp_tunnel_add_del_reply_t *rmp;
+  ip46_address_t src, dst;
+  ip46_type_t itype;
   int rv = 0;
   u32 fib_index;
 
-  fib_index = fib_table_find (fib_ip_proto (mp->is_ipv6),
-			      ntohl (mp->encap_vrf_id));
+  itype = ip_address_decode (&mp->tunnel.src, &src);
+  itype = ip_address_decode (&mp->tunnel.dst, &dst);
+
+  fib_index = fib_table_find (fib_proto_from_ip46 (itype),
+			      ntohl (mp->tunnel.encap_table_id));
   if (fib_index == ~0)
     {
       rv = VNET_API_ERROR_NO_SUCH_FIB;
       goto out;
     }
 
-  vnet_vxlan_gbp_add_del_tunnel_args_t a = {
+  vnet_vxlan_gbp_tunnel_add_del_args_t a = {
     .is_add = mp->is_add,
-    .is_ip6 = mp->is_ipv6,
-    .instance = ntohl (mp->instance),
-    .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
+    .is_ip6 = (itype == IP46_TYPE_IP6),
+    .instance = ntohl (mp->tunnel.instance),
+    .mcast_sw_if_index = ntohl (mp->tunnel.mcast_sw_if_index),
     .encap_fib_index = fib_index,
-    .decap_next_index = ntohl (mp->decap_next_index),
-    .vni = ntohl (mp->vni),
-    .sclass = ntohs (mp->sclass),
-    .dst = to_ip46 (mp->is_ipv6, mp->dst_address),
-    .src = to_ip46 (mp->is_ipv6, mp->src_address),
+    .decap_next_index = ntohl (mp->tunnel.decap_next_index),
+    .vni = ntohl (mp->tunnel.vni),
+    .dst = dst,
+    .src = src,
   };
 
   /* Check src & dst are different */
@@ -107,11 +112,11 @@ static void vl_api_vxlan_gbp_add_del_tunnel_t_handler
     }
 
   u32 sw_if_index = ~0;
-  rv = vnet_vxlan_gbp_add_del_tunnel (&a, &sw_if_index);
+  rv = vnet_vxlan_gbp_tunnel_add_del (&a, &sw_if_index);
 
 out:
   /* *INDENT-OFF* */
-  REPLY_MACRO2(VL_API_VXLAN_GBP_ADD_DEL_TUNNEL_REPLY,
+  REPLY_MACRO2(VL_API_VXLAN_GBP_TUNNEL_ADD_DEL_REPLY,
   ({
     rmp->sw_if_index = ntohl (sw_if_index);
   }));
@@ -122,33 +127,23 @@ static void send_vxlan_gbp_tunnel_details
   (vxlan_gbp_tunnel_t * t, vl_api_registration_t * reg, u32 context)
 {
   vl_api_vxlan_gbp_tunnel_details_t *rmp;
-  ip4_main_t *im4 = &ip4_main;
-  ip6_main_t *im6 = &ip6_main;
-  u8 is_ipv6 = !ip46_address_is_ip4 (&t->dst);
+  ip46_type_t itype = (ip46_address_is_ip4 (&t->dst) ?
+		       IP46_TYPE_IP4 : IP46_TYPE_IP6);
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
   memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_VXLAN_GBP_TUNNEL_DETAILS);
-  if (is_ipv6)
-    {
-      memcpy (rmp->src_address, t->src.ip6.as_u8, 16);
-      memcpy (rmp->dst_address, t->dst.ip6.as_u8, 16);
-      rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
-    }
-  else
-    {
-      memcpy (rmp->src_address, t->src.ip4.as_u8, 4);
-      memcpy (rmp->dst_address, t->dst.ip4.as_u8, 4);
-      rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
-    }
 
-  rmp->instance = htonl (t->user_instance);
-  rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
-  rmp->vni = htonl (t->vni);
-  rmp->sclass = htons (t->sclass);
-  rmp->decap_next_index = htonl (t->decap_next_index);
-  rmp->sw_if_index = htonl (t->sw_if_index);
-  rmp->is_ipv6 = is_ipv6;
+  ip_address_encode (&t->src, itype, &rmp->tunnel.src);
+  ip_address_encode (&t->dst, itype, &rmp->tunnel.dst);
+  rmp->tunnel.encap_table_id =
+    fib_table_get_table_id (t->encap_fib_index, fib_proto_from_ip46 (itype));
+
+  rmp->tunnel.instance = htonl (t->user_instance);
+  rmp->tunnel.mcast_sw_if_index = htonl (t->mcast_sw_if_index);
+  rmp->tunnel.vni = htonl (t->vni);
+  rmp->tunnel.decap_next_index = htonl (t->decap_next_index);
+  rmp->tunnel.sw_if_index = htonl (t->sw_if_index);
   rmp->context = context;
 
   vl_api_send_msg (reg, (u8 *) rmp);