sr: srv6 API cleanup

Use consistent API types.

Type: fix

Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I3c348ad2fca8bb3d9a246af7a2aa9dc9c33f57c3
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>

3 files changed, 138 insertions, 98 deletions

diff --git a/src/vnet/srv6/sr.api b/src/vnet/srv6/sr.api
index 543f3fd7d00..75a23b06e04 100644
--- a/src/vnet/srv6/sr.api
+++ b/src/vnet/srv6/sr.api
@@ -14,20 +14,18 @@
  * limitations under the License.
  */
 
-option version = "1.2.1";
+option version = "2.0.0";
+
+import "vnet/interface_types.api";
+import "vnet/ip/ip_types.api";
+import "vnet/srv6/sr_types.api";
 
-/** \brief SRv6 SID
-*/
-typedef srv6_sid
-{
-  u8 addr[16];
-};
 
 typedef srv6_sid_list
 {
   u8 num_sids;
   u32 weight;
-  vl_api_srv6_sid_t sids[16];
+  vl_api_ip6_address_t sids[16];
 };
 
 /** \brief IPv6 SR LocalSID add/del request
@@ -41,27 +39,20 @@ typedef srv6_sid_list
      fib_table.
     @param vlan_index Only for L2 xconnect. Outgoing VLAN tag.
     @param fib_table  FIB table in which we should install the localsid entry
-    @param nh_addr6 Next Hop IPv6 address. Only for L2/L3 xconnect.
-    @param nh_addr4 Next Hop IPv4 address. Only for L2/L3 xconnect.
+    @param nh_addr Next Hop IPv46 address. Only for L2/L3 xconnect.
 */
 autoreply define sr_localsid_add_del
 {
   u32 client_index;
   u32 context;
-  u8 is_del;
-  vl_api_srv6_sid_t localsid;
-  u8 end_psp;
-  u8 behavior;
-  u32 sw_if_index;
+  bool is_del [default=false];
+  vl_api_ip6_address_t localsid;
+  bool end_psp;
+  vl_api_sr_behavior_t behavior;
+  vl_api_interface_index_t sw_if_index;
   u32 vlan_index;
   u32 fib_table;
-  u8 nh_addr6[16];
-  u8 nh_addr4[4];
-};
-
-typedef sr_ip6_address
-{
-  u8 data[16];
+  vl_api_address_t nh_addr;
 };
 
 /** \brief IPv6 SR policy add
@@ -70,7 +61,7 @@ typedef sr_ip6_address
     @param bsid is the bindingSID of the SR Policy
     @param weight is the weight of the sid list. optional.
     @param is_encap is the behavior of the SR policy. (0.SRH insert // 1.Encapsulation)
-    @param type is the type of the SR policy. (0.Default // 1.Spray)
+    @param is_spray is the type of the SR policy. (0.Default // 1.Spray)
     @param fib_table is the VRF where to install the FIB entry for the BSID
     @param sids is a srv6_sid_list object
 */
@@ -78,10 +69,10 @@ autoreply define sr_policy_add
 {
   u32 client_index;
   u32 context;
-  u8 bsid_addr[16];
+  vl_api_ip6_address_t bsid_addr;
   u32 weight;
-  u8 is_encap;
-  u8 type;
+  bool is_encap;
+  bool is_spray;
   u32 fib_table;
   vl_api_srv6_sid_list_t sids;
 };
@@ -101,10 +92,10 @@ autoreply define sr_policy_mod
 {
   u32 client_index;
   u32 context;
-  u8 bsid_addr[16];
+  vl_api_ip6_address_t bsid_addr;
   u32 sr_policy_index;
   u32 fib_table;
-  u8 operation;
+  vl_api_sr_policy_op_t operation;
   u32 sl_index;
   u32 weight;
   vl_api_srv6_sid_list_t sids;
@@ -120,7 +111,7 @@ autoreply define sr_policy_del
 {
   u32 client_index;
   u32 context;
-  vl_api_srv6_sid_t bsid_addr;
+  vl_api_ip6_address_t bsid_addr;
   u32 sr_policy_index;
 };
 
@@ -134,7 +125,7 @@ autoreply define sr_set_encap_source
 {
   u32 client_index;
   u32 context;
-  u8 encaps_source[16];
+  vl_api_ip6_address_t encaps_source;
 };
 
 /** \brief IPv6 SR Set SRv6 encapsulation hop-limit
@@ -165,14 +156,13 @@ autoreply define sr_steering_add_del
 {
   u32 client_index;
   u32 context;
-  u8 is_del;
-  u8 bsid_addr[16];
+  bool is_del [default=false];
+  vl_api_ip6_address_t bsid_addr;
   u32 sr_policy_index;
   u32 table_id;
-  u8 prefix_addr[16];
-  u32 mask_width;
-  u32 sw_if_index;
-  u8 traffic_type;
+  vl_api_prefix_t prefix;
+  vl_api_interface_index_t sw_if_index;
+  vl_api_sr_steer_t traffic_type;
 };
 
 /** \brief Dump the list of SR LocalSIDs
@@ -188,13 +178,12 @@ define sr_localsids_dump
 define sr_localsids_details
 {
   u32 context;
-  vl_api_srv6_sid_t addr;
-  u8 end_psp;
-  u16 behavior;
+  vl_api_ip6_address_t addr;
+  bool end_psp;
+  vl_api_sr_behavior_t behavior;
   u32 fib_table;
   u32 vlan_index;
-  u8 xconnect_nh_addr6[16];
-  u8 xconnect_nh_addr4[4];
+  vl_api_address_t xconnect_nh_addr;
   u32 xconnect_iface_or_vrf_table;
 };
 
@@ -211,9 +200,9 @@ define sr_policies_dump
 define sr_policies_details
 {
   u32 context;
-  vl_api_srv6_sid_t bsid;
-  u8 type;
-  u8 is_encap;
+  vl_api_ip6_address_t bsid;
+  bool is_spray;
+  bool is_encap;
   u32 fib_table;
   u8 num_sid_lists;
   vl_api_srv6_sid_list_t sid_lists[num_sid_lists];
@@ -232,12 +221,11 @@ define sr_steering_pol_dump
 define sr_steering_pol_details
 {
   u32 context;
-  u8 traffic_type;
+  vl_api_sr_steer_t traffic_type;
   u32 fib_table;
-  u8 prefix_addr[16];
-  u32 mask_width;
-  u32 sw_if_index;
-  vl_api_srv6_sid_t bsid;
+  vl_api_prefix_t prefix;
+  vl_api_interface_index_t sw_if_index;
+  vl_api_ip6_address_t bsid;
 };
 
 /*
diff --git a/src/vnet/srv6/sr_api.c b/src/vnet/srv6/sr_api.c
index cd8182480a4..142b5c2a4b6 100644
--- a/src/vnet/srv6/sr_api.c
+++ b/src/vnet/srv6/sr_api.c
@@ -26,6 +26,8 @@
 #include <vnet/feature/feature.h>
 #include <vnet/fib/fib_table.h>
 
+#include <vnet/ip/ip_types_api.h>
+
 #include <vnet/vnet_msg_enum.h>
 
 #define vl_typedefs		/* define message structures */
@@ -61,6 +63,8 @@ static void vl_api_sr_localsid_add_del_t_handler
 {
   vl_api_sr_localsid_add_del_reply_t *rmp;
   int rv = 0;
+  ip46_address_t prefix;
+  ip6_address_t localsid;
 /*
  * int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
  *  char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
@@ -71,17 +75,11 @@ static void vl_api_sr_localsid_add_del_t_handler
       mp->behavior == SR_BEHAVIOR_DX4 || mp->behavior == SR_BEHAVIOR_DX2)
     VALIDATE_SW_IF_INDEX (mp);
 
-  ip46_address_t prefix;
-
-  clib_memset (&prefix, 0, sizeof (ip46_address_t));
-  if ((mp->nh_addr4[0] | mp->nh_addr4[1] | mp->
-       nh_addr4[2] | mp->nh_addr4[3]) != 0)
-    memcpy (&prefix.ip4, mp->nh_addr4, sizeof (prefix.ip4));
-  else
-    memcpy (&prefix.ip6, mp->nh_addr6, sizeof (prefix.ip6));
+  ip6_address_decode (mp->localsid, &localsid);
+  ip_address_decode (&mp->nh_addr, &prefix);
 
   rv = sr_cli_localsid (mp->is_del,
-			(ip6_address_t *) & mp->localsid, 128,
+			&localsid, 128,
 			mp->end_psp,
 			mp->behavior,
 			ntohl (mp->sw_if_index),
@@ -97,26 +95,28 @@ vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
 {
   vl_api_sr_policy_add_reply_t *rmp;
   ip6_address_t *segments = 0, *seg;
-  ip6_address_t *this_address = (ip6_address_t *) mp->sids.sids;
+  ip6_address_t bsid_addr;
 
   int i;
   for (i = 0; i < mp->sids.num_sids; i++)
     {
       vec_add2 (segments, seg, 1);
-      clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
-      this_address++;
+      ip6_address_decode (mp->sids.sids[i], seg);
     }
 
+  ip6_address_decode (mp->bsid_addr, &bsid_addr);
+
 /*
  * sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
  *                u32 weight, u8 behavior, u32 fib_table, u8 is_encap,
  *                u16 behavior, void *plugin_mem)
  */
   int rv = 0;
-  rv = sr_policy_add ((ip6_address_t *) & mp->bsid_addr,
+  rv = sr_policy_add (&bsid_addr,
 		      segments,
 		      ntohl (mp->sids.weight),
-		      mp->type, ntohl (mp->fib_table), mp->is_encap, 0, NULL);
+		      mp->is_spray, ntohl (mp->fib_table), mp->is_encap, 0,
+		      NULL);
   vec_free (segments);
 
   REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
@@ -126,18 +126,18 @@ static void
 vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
 {
   vl_api_sr_policy_mod_reply_t *rmp;
-
   ip6_address_t *segments = 0, *seg;
-  ip6_address_t *this_address = (ip6_address_t *) mp->sids.sids;
+  ip6_address_t bsid_addr;
 
   int i;
   for (i = 0; i < mp->sids.num_sids; i++)
     {
       vec_add2 (segments, seg, 1);
-      clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
-      this_address++;
+      ip6_address_decode (mp->sids.sids[i], seg);
     }
 
+  ip6_address_decode (mp->bsid_addr, &bsid_addr);
+
   int rv = 0;
 /*
  * int
@@ -145,7 +145,7 @@ vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
  *               u8 operation, ip6_address_t *segments, u32 sl_index,
  *               u32 weight, u8 is_encap)
  */
-  rv = sr_policy_mod ((ip6_address_t *) & mp->bsid_addr,
+  rv = sr_policy_mod (&bsid_addr,
 		      ntohl (mp->sr_policy_index),
 		      ntohl (mp->fib_table),
 		      mp->operation,
@@ -161,12 +161,13 @@ vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
 {
   vl_api_sr_policy_del_reply_t *rmp;
   int rv = 0;
+  ip6_address_t bsid_addr;
 /*
  * int
  * sr_policy_del (ip6_address_t *bsid, u32 index)
  */
-  rv = sr_policy_del ((ip6_address_t *) & mp->bsid_addr,
-		      ntohl (mp->sr_policy_index));
+  ip6_address_decode (mp->bsid_addr, &bsid_addr);
+  rv = sr_policy_del (&bsid_addr, ntohl (mp->sr_policy_index));
 
   REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
 }
@@ -176,7 +177,10 @@ vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp)
 {
   vl_api_sr_set_encap_source_reply_t *rmp;
   int rv = 0;
-  sr_set_source ((ip6_address_t *) & mp->encaps_source);
+  ip6_address_t encaps_source;
+
+  ip6_address_decode (mp->encaps_source, &encaps_source);
+  sr_set_source (&encaps_source);
 
   REPLY_MACRO (VL_API_SR_SET_ENCAP_SOURCE_REPLY);
 }
@@ -200,21 +204,27 @@ static void vl_api_sr_steering_add_del_t_handler
 {
   vl_api_sr_steering_add_del_reply_t *rmp;
   int rv = 0;
+  ip6_address_t bsid_addr;
+  ip46_address_t prefix_addr;
 /*
  * int
  * sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
  *  u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
  *  u8 traffic_type)
  */
+
+  ip6_address_decode (mp->bsid_addr, &bsid_addr);
+  ip_address_decode (&mp->prefix.address, &prefix_addr);
+
   if (mp->traffic_type == SR_STEER_L2)
     VALIDATE_SW_IF_INDEX (mp);
 
   rv = sr_steering_policy (mp->is_del,
-			   (ip6_address_t *) & mp->bsid_addr,
+			   &bsid_addr,
 			   ntohl (mp->sr_policy_index),
 			   ntohl (mp->table_id),
-			   (ip46_address_t *) & mp->prefix_addr,
-			   ntohl (mp->mask_width),
+			   &prefix_addr,
+			   ntohl (mp->prefix.len),
 			   ntohl (mp->sw_if_index), mp->traffic_type);
 
   BAD_SW_IF_INDEX_LABEL;
@@ -229,17 +239,12 @@ static void send_sr_localsid_details
   rmp = vl_msg_api_alloc (sizeof (*rmp));
   clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_SR_LOCALSIDS_DETAILS);
-  clib_memcpy (rmp->addr.addr, &t->localsid, sizeof (ip6_address_t));
+  ip6_address_encode (&t->localsid, rmp->addr);
   rmp->end_psp = t->end_psp;
   rmp->behavior = htons (t->behavior);
   rmp->fib_table = htonl (t->fib_table);
   rmp->vlan_index = htonl (t->vlan_index);
-  if (ip46_address_is_ip4 (&t->next_hop))
-    clib_memcpy (rmp->xconnect_nh_addr4, &t->next_hop.ip4,
-		 sizeof (ip4_address_t));
-  else
-    clib_memcpy (rmp->xconnect_nh_addr6, &t->next_hop.ip6,
-		 sizeof (ip6_address_t));
+  ip_address_encode (&t->next_hop, IP46_TYPE_ANY, &rmp->xconnect_nh_addr);
 
   if (t->behavior == SR_BEHAVIOR_T || t->behavior == SR_BEHAVIOR_DT6)
     rmp->xconnect_iface_or_vrf_table =
@@ -280,9 +285,10 @@ static void send_sr_policies_details
   vl_api_sr_policies_details_t *rmp;
   ip6_sr_main_t *sm = &sr_main;
 
-  u32 *sl_index;
+  u32 *sl_index, slidx = 0;
   ip6_sr_sl_t *segment_list = 0;
-  vl_api_srv6_sid_list_t *write_sid_list;
+  ip6_address_t *segment;
+  vl_api_srv6_sid_list_t *api_sid_list;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp) +
 			  vec_len (t->segments_lists) *
@@ -293,9 +299,9 @@ static void send_sr_policies_details
 		sizeof (vl_api_srv6_sid_list_t)));
 
   rmp->_vl_msg_id = ntohs (VL_API_SR_POLICIES_DETAILS);
-  clib_memcpy (rmp->bsid.addr, &t->bsid, sizeof (ip6_address_t));
+  ip6_address_encode (&t->bsid, rmp->bsid);
   rmp->is_encap = t->is_encap;
-  rmp->type = t->type;
+  rmp->is_spray = t->type;
   rmp->fib_table = htonl (t->fib_table);
   rmp->num_sid_lists = vec_len (t->segments_lists);
 
@@ -303,11 +309,16 @@ static void send_sr_policies_details
   vec_foreach (sl_index, t->segments_lists)
   {
     segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
-    write_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
-    write_sid_list->num_sids = vec_len (segment_list->segments);
-    write_sid_list->weight = htonl (segment_list->weight);
-    clib_memcpy (write_sid_list->sids, segment_list->segments,
-		 vec_len (segment_list->segments) * sizeof (ip6_address_t));
+
+    api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
+
+    api_sid_list->num_sids = vec_len (segment_list->segments);
+    api_sid_list->weight = htonl (segment_list->weight);
+
+    vec_foreach (segment, segment_list->segments)
+    {
+      ip6_address_encode (segment, api_sid_list->sids[slidx++]);
+    }
   }
 
   rmp->context = context;
@@ -346,18 +357,14 @@ static void send_sr_steering_pol_details
   //Get the SR policy BSID
   ip6_sr_policy_t *p;
   p = pool_elt_at_index (sm->sr_policies, t->sr_policy);
-  clib_memcpy (rmp->bsid.addr, &p->bsid, sizeof (ip6_address_t));
+  ip6_address_encode (&p->bsid, rmp->bsid);
 
   //Get the steering
   rmp->traffic_type = t->classify.traffic_type;
   rmp->fib_table = htonl (t->classify.l3.fib_table);
-  rmp->mask_width = htonl (t->classify.l3.mask_width);
-  if (ip46_address_is_ip4 (&t->classify.l3.prefix))
-    clib_memcpy (rmp->prefix_addr, &t->classify.l3.prefix.ip4,
-		 sizeof (ip4_address_t));
-  else
-    clib_memcpy (rmp->prefix_addr, &t->classify.l3.prefix.ip6,
-		 sizeof (ip6_address_t));
+  ip_address_encode (&t->classify.l3.prefix, IP46_TYPE_ANY,
+		     &rmp->prefix.address);
+  rmp->prefix.len = htonl (t->classify.l3.mask_width);
 
   rmp->sw_if_index = htonl (t->classify.l2.sw_if_index);
 
diff --git a/src/vnet/srv6/sr_types.api b/src/vnet/srv6/sr_types.api
new file mode 100644
index 00000000000..ba99a325544
--- /dev/null
+++ b/src/vnet/srv6/sr_types.api
@@ -0,0 +1,45 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * Copyright (c) 2015-2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+enum sr_policy_op : u8
+{
+  SR_POLICY_OP_API_NONE = 0,
+  SR_POLICY_OP_API_ADD = 1,
+  SR_POLICY_OP_API_DEL = 2,
+  SR_POLICY_OP_API_MOD = 3,
+
+};
+
+enum sr_behavior : u8
+{
+  SR_BEHAVIOR_API_END = 1,
+  SR_BEHAVIOR_API_X = 2,
+  SR_BEHAVIOR_API_T = 3,
+  SR_BEHAVIOR_API_D_FIRST = 4,	/* Unused. Separator in between regular and D */
+  SR_BEHAVIOR_API_DX2 = 5,
+  SR_BEHAVIOR_API_DX6 = 6,
+  SR_BEHAVIOR_API_DX4 = 7,
+  SR_BEHAVIOR_API_DT6 = 8,
+  SR_BEHAVIOR_API_DT4 = 9,
+  SR_BEHAVIOR_API_LAST = 10,	/* Must always be the last one */
+};
+
+enum sr_steer : u8
+{
+  SR_STEER_API_L2 = 2,
+  SR_STEER_API_IPV4 = 4,
+  SR_STEER_API_IPV6 = 6,
+};