LISP: L2 ARP handling

Change-Id: I1ec328cda73f7eaf7867cd8a2a17852ee0cd23f1
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/src/vnet/lisp-cp/one_api.c b/src/vnet/lisp-cp/one_api.c
index 23549afa68b..724e58df839 100644
--- a/src/vnet/lisp-cp/one_api.c
+++ b/src/vnet/lisp-cp/one_api.c
@@ -42,6 +42,11 @@
 #define vl_api_one_add_del_remote_mapping_t_endian vl_noop_handler
 #define vl_api_one_add_del_remote_mapping_t_print vl_noop_handler
 
+#define vl_api_one_l2_arp_entry_t_endian vl_noop_handler
+#define vl_api_one_l2_arp_entry_t_print vl_noop_handler
+#define vl_api_one_add_del_l2_arp_entry vl_noop_handler
+#define vl_api_one_l2_arp_bd_get vl_noop_handler
+
 #define vl_typedefs		/* define message structures */
 #include <vnet/vnet_all_api_h.h>
 #undef vl_typedefs
@@ -109,6 +114,9 @@ _(SHOW_ONE_STATS_ENABLE_DISABLE, show_one_stats_enable_disable)         \
 _(ONE_STATS_ENABLE_DISABLE, one_stats_enable_disable)                   \
 _(ONE_STATS_DUMP, one_stats_dump)                                       \
 _(ONE_STATS_FLUSH, one_stats_flush)                                     \
+_(ONE_L2_ARP_BD_GET, one_l2_arp_bd_get)                                 \
+_(ONE_L2_ARP_ENTRIES_GET, one_l2_arp_entries_get)                       \
+_(ONE_ADD_DEL_L2_ARP_ENTRY, one_add_del_l2_arp_entry)                   \
 
 
 static locator_t *
@@ -1387,6 +1395,80 @@ vl_api_one_stats_dump_t_handler (vl_api_one_stats_dump_t * mp)
   }
 }
 
+static void
+  vl_api_one_add_del_l2_arp_entry_t_handler
+  (vl_api_one_add_del_l2_arp_entry_t * mp)
+{
+  vl_api_one_add_del_l2_arp_entry_reply_t *rmp;
+  int rv = 0;
+  gid_address_t _arp, *arp = &_arp;
+  memset (arp, 0, sizeof (*arp));
+
+  gid_address_type (arp) = GID_ADDR_ARP;
+  gid_address_arp_bd (arp) = clib_net_to_host_u32 (mp->bd);
+
+  /* vpp keeps ip4 addresses in network byte order */
+  clib_memcpy (&gid_address_arp_ip4 (arp), &mp->ip4, 4);
+
+  rv = vnet_lisp_add_del_l2_arp_entry (arp, mp->mac, mp->is_add);
+
+  REPLY_MACRO (VL_API_ONE_ADD_DEL_L2_ARP_ENTRY_REPLY);
+}
+
+static void
+vl_api_one_l2_arp_bd_get_t_handler (vl_api_one_l2_arp_bd_get_t * mp)
+{
+  vl_api_one_l2_arp_bd_get_reply_t *rmp;
+  int rv = 0;
+  u32 i = 0;
+  hash_pair_t *p;
+
+  u32 *bds = vnet_lisp_l2_arp_bds_get ();
+  u32 size = hash_elts (bds) * sizeof (u32);
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO4 (VL_API_ONE_L2_ARP_BD_GET_REPLY, size,
+  {
+    rmp->count = clib_host_to_net_u32 (hash_elts (bds));
+    hash_foreach_pair (p, bds,
+    ({
+      rmp->bridge_domains[i++] = clib_host_to_net_u32 (p->key);
+    }));
+  });
+  /* *INDENT-ON* */
+
+  hash_free (bds);
+}
+
+static void
+vl_api_one_l2_arp_entries_get_t_handler (vl_api_one_l2_arp_entries_get_t * mp)
+{
+  vl_api_one_l2_arp_entries_get_reply_t *rmp;
+  lisp_api_l2_arp_entry_t *entries = 0, *e;
+  u32 i = 0;
+  int rv = 0;
+
+  u32 bd = clib_net_to_host_u32 (mp->bd);
+
+  entries = vnet_lisp_l2_arp_entries_get_by_bd (bd);
+  u32 size = vec_len (entries) * sizeof (u32);
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO4 (VL_API_ONE_L2_ARP_ENTRIES_GET_REPLY, size,
+  {
+    rmp->count = clib_host_to_net_u32 (vec_len (entries));
+    vec_foreach (e, entries)
+      {
+        mac_copy (rmp->entries[i].mac, e->mac);
+        rmp->entries[i].ip4 = e->ip4;
+        i++;
+      }
+  });
+  /* *INDENT-ON* */
+
+  vec_free (entries);
+}
+
 /*
  * one_api_hookup
  * Add vpe's API message handlers to the table.