FIB path preference
[vpp.git] / src / vnet / mpls / mpls_api.c
index ebbeba6..22fb7d4 100644 (file)
@@ -26,6 +26,8 @@
 #include <vnet/mpls/mpls_tunnel.h>
 #include <vnet/fib/fib_table.h>
 #include <vnet/fib/fib_api.h>
+#include <vnet/fib/mpls_fib.h>
+#include <vnet/fib/fib_path_list.h>
 
 #include <vnet/vnet_msg_enum.h>
 
@@ -50,9 +52,7 @@ _(MPLS_IP_BIND_UNBIND, mpls_ip_bind_unbind)                 \
 _(MPLS_ROUTE_ADD_DEL, mpls_route_add_del)                   \
 _(MPLS_TUNNEL_ADD_DEL, mpls_tunnel_add_del)                 \
 _(MPLS_TUNNEL_DUMP, mpls_tunnel_dump)                       \
-_(MPLS_TUNNEL_DETAILS, mpls_tunnel_details)                 \
-_(MPLS_FIB_DUMP, mpls_fib_dump)                             \
-_(MPLS_FIB_DETAILS, mpls_fib_details)
+_(MPLS_FIB_DUMP, mpls_fib_dump)
 
 extern void stats_dslock_with_hint (int hint, int tag);
 extern void stats_dsunlock (void);
@@ -164,6 +164,7 @@ mpls_route_add_del_t_handler (vnet_main_t * vnm,
                            dpo_proto_to_fib (pfx.fp_payload_proto),
                            mp->mr_next_hop_table_id,
                            mp->mr_create_table_if_needed,
+                           mp->mr_is_rpf_id,
                            &fib_index, &next_hop_fib_index);
 
   if (0 != rv)
@@ -193,15 +194,19 @@ mpls_route_add_del_t_handler (vnet_main_t * vnm,
                                   0,   // mp->is_unreach,
                                   0,   // mp->is_prohibit,
                                   0,   // mp->is_local,
+                                  mp->mr_is_multicast,
                                   mp->mr_is_classify,
                                   mp->mr_classify_table_index,
                                   mp->mr_is_resolve_host,
                                   mp->mr_is_resolve_attached,
+                                  mp->mr_is_interface_rx,
+                                  mp->mr_is_rpf_id,
                                   fib_index, &pfx,
                                   mp->mr_next_hop_proto_is_ip4,
                                   &nh, ntohl (mp->mr_next_hop_sw_if_index),
                                   next_hop_fib_index,
                                   mp->mr_next_hop_weight,
+                                  mp->mr_next_hop_preference,
                                   ntohl (mp->mr_next_hop_via_label),
                                   label_stack));
 }
@@ -230,46 +235,54 @@ vl_api_mpls_tunnel_add_del_t_handler (vl_api_mpls_tunnel_add_del_t * mp)
   int rv = 0;
   u32 tunnel_sw_if_index;
   int ii;
+  fib_route_path_t rpath, *rpaths = NULL;
+
+  memset (&rpath, 0, sizeof (rpath));
 
   stats_dslock_with_hint (1 /* release hint */ , 5 /* tag */ );
 
-  if (mp->mt_is_add)
+  if (mp->mt_next_hop_proto_is_ip4)
     {
-      fib_route_path_t rpath, *rpaths = NULL;
-      mpls_label_t *label_stack = NULL;
-
-      memset (&rpath, 0, sizeof (rpath));
-
-      if (mp->mt_next_hop_proto_is_ip4)
-       {
-         rpath.frp_proto = FIB_PROTOCOL_IP4;
-         clib_memcpy (&rpath.frp_addr.ip4,
-                      mp->mt_next_hop, sizeof (rpath.frp_addr.ip4));
-       }
-      else
-       {
-         rpath.frp_proto = FIB_PROTOCOL_IP6;
-         clib_memcpy (&rpath.frp_addr.ip6,
-                      mp->mt_next_hop, sizeof (rpath.frp_addr.ip6));
-       }
-      rpath.frp_sw_if_index = ntohl (mp->mt_next_hop_sw_if_index);
+      rpath.frp_proto = FIB_PROTOCOL_IP4;
+      clib_memcpy (&rpath.frp_addr.ip4,
+                  mp->mt_next_hop, sizeof (rpath.frp_addr.ip4));
+    }
+  else
+    {
+      rpath.frp_proto = FIB_PROTOCOL_IP6;
+      clib_memcpy (&rpath.frp_addr.ip6,
+                  mp->mt_next_hop, sizeof (rpath.frp_addr.ip6));
+    }
+  rpath.frp_sw_if_index = ntohl (mp->mt_next_hop_sw_if_index);
+  rpath.frp_weight = 1;
 
+  if (mp->mt_is_add)
+    {
       for (ii = 0; ii < mp->mt_next_hop_n_out_labels; ii++)
-       vec_add1 (label_stack, ntohl (mp->mt_next_hop_out_label_stack[ii]));
+       vec_add1 (rpath.frp_label_stack,
+                 ntohl (mp->mt_next_hop_out_label_stack[ii]));
+    }
+
+  vec_add1 (rpaths, rpath);
 
-      vec_add1 (rpaths, rpath);
+  tunnel_sw_if_index = ntohl (mp->mt_sw_if_index);
 
-      vnet_mpls_tunnel_add (rpaths, label_stack,
-                           mp->mt_l2_only, &tunnel_sw_if_index);
-      vec_free (rpaths);
-      vec_free (label_stack);
+  if (mp->mt_is_add)
+    {
+      if (~0 == tunnel_sw_if_index)
+       tunnel_sw_if_index = vnet_mpls_tunnel_create (mp->mt_l2_only,
+                                                     mp->mt_is_multicast);
+      vnet_mpls_tunnel_path_add (tunnel_sw_if_index, rpaths);
     }
   else
     {
       tunnel_sw_if_index = ntohl (mp->mt_sw_if_index);
-      vnet_mpls_tunnel_del (tunnel_sw_if_index);
+      if (!vnet_mpls_tunnel_path_remove (tunnel_sw_if_index, rpaths))
+       vnet_mpls_tunnel_del (tunnel_sw_if_index);
     }
 
+  vec_free (rpaths);
+
   stats_dsunlock ();
 
   /* *INDENT-OFF* */
@@ -280,12 +293,6 @@ vl_api_mpls_tunnel_add_del_t_handler (vl_api_mpls_tunnel_add_del_t * mp)
   /* *INDENT-ON* */
 }
 
-static void
-vl_api_mpls_tunnel_details_t_handler (vl_api_mpls_tunnel_details_t * mp)
-{
-  clib_warning ("BUG");
-}
-
 typedef struct mpls_tunnel_send_walk_ctx_t_
 {
   unix_shared_memory_queue_t *q;
@@ -296,10 +303,12 @@ typedef struct mpls_tunnel_send_walk_ctx_t_
 static void
 send_mpls_tunnel_entry (u32 mti, void *arg)
 {
+  fib_route_path_encode_t *api_rpaths, *api_rpath;
   mpls_tunnel_send_walk_ctx_t *ctx;
   vl_api_mpls_tunnel_details_t *mp;
   const mpls_tunnel_t *mt;
-  u32 nlabels;
+  vl_api_fib_path2_t *fp;
+  u32 n;
 
   ctx = arg;
 
@@ -307,18 +316,34 @@ send_mpls_tunnel_entry (u32 mti, void *arg)
     return;
 
   mt = mpls_tunnel_get (mti);
-  nlabels = vec_len (mt->mt_label_stack);
+  n = fib_path_list_get_n_paths (mt->mt_path_list);
+
+  mp = vl_msg_api_alloc (sizeof (*mp) + n * sizeof (vl_api_fib_path2_t));
+  memset (mp, 0, sizeof (*mp) + n * sizeof (vl_api_fib_path2_t));
 
-  mp = vl_msg_api_alloc (sizeof (*mp) + nlabels * sizeof (u32));
-  memset (mp, 0, sizeof (*mp));
   mp->_vl_msg_id = ntohs (VL_API_MPLS_TUNNEL_DETAILS);
   mp->context = ctx->context;
 
-  mp->tunnel_index = ntohl (mti);
-  memcpy (mp->mt_next_hop_out_labels,
-         mt->mt_label_stack, nlabels * sizeof (u32));
+  mp->mt_tunnel_index = ntohl (mti);
+  mp->mt_count = ntohl (n);
+
+  fib_path_list_walk (mt->mt_path_list, fib_path_encode, &api_rpaths);
+
+  fp = mp->mt_paths;
+  vec_foreach (api_rpath, api_rpaths)
+  {
+    memset (fp, 0, sizeof (*fp));
+
+    fp->weight = htonl (api_rpath->rpath.frp_weight);
+    fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
+    copy_fib_next_hop (api_rpath, fp);
+    fp++;
+  }
 
   // FIXME
+  // memcpy (mp->mt_next_hop_out_labels,
+  //   mt->mt_label_stack, nlabels * sizeof (u32));
+
 
   vl_msg_api_send_shmem (ctx->q, (u8 *) & mp);
 }
@@ -340,24 +365,6 @@ vl_api_mpls_tunnel_dump_t_handler (vl_api_mpls_tunnel_dump_t * mp)
   mpls_tunnel_walk (send_mpls_tunnel_entry, &ctx);
 }
 
-static void
-vl_api_mpls_fib_details_t_handler (vl_api_mpls_fib_details_t * mp)
-{
-  clib_warning ("BUG");
-}
-
-static void
-vl_api_mpls_fib_details_t_endian (vl_api_mpls_fib_details_t * mp)
-{
-  clib_warning ("BUG");
-}
-
-static void
-vl_api_mpls_fib_details_t_print (vl_api_mpls_fib_details_t * mp)
-{
-  clib_warning ("BUG");
-}
-
 static void
 send_mpls_fib_details (vpe_api_main_t * am,
                       unix_shared_memory_queue_t * q,
@@ -395,6 +402,21 @@ send_mpls_fib_details (vpe_api_main_t * am,
   vl_msg_api_send_shmem (q, (u8 *) & mp);
 }
 
+typedef struct vl_api_mpls_fib_dump_table_walk_ctx_t_
+{
+  fib_node_index_t *lfeis;
+} vl_api_mpls_fib_dump_table_walk_ctx_t;
+
+static int
+vl_api_mpls_fib_dump_table_walk (fib_node_index_t fei, void *arg)
+{
+  vl_api_mpls_fib_dump_table_walk_ctx_t *ctx = arg;
+
+  vec_add1 (ctx->lfeis, fei);
+
+  return (1);
+}
+
 static void
 vl_api_mpls_fib_dump_t_handler (vl_api_mpls_fib_dump_t * mp)
 {
@@ -402,28 +424,30 @@ vl_api_mpls_fib_dump_t_handler (vl_api_mpls_fib_dump_t * mp)
   unix_shared_memory_queue_t *q;
   mpls_main_t *mm = &mpls_main;
   fib_table_t *fib_table;
-  fib_node_index_t lfei, *lfeip, *lfeis = NULL;
-  mpls_label_t key;
+  mpls_fib_t *mpls_fib;
+  fib_node_index_t *lfeip = NULL;
   fib_prefix_t pfx;
   u32 fib_index;
   fib_route_path_encode_t *api_rpaths;
+  vl_api_mpls_fib_dump_table_walk_ctx_t ctx = {
+    .lfeis = NULL,
+  };
 
   q = vl_api_client_index_to_input_queue (mp->client_index);
   if (q == 0)
     return;
 
   /* *INDENT-OFF* */
-  pool_foreach (fib_table, mm->fibs,
+  pool_foreach (mpls_fib, mm->mpls_fibs,
   ({
-    hash_foreach(key, lfei, fib_table->mpls.mf_entries,
-    ({
-  vec_add1(lfeis, lfei);
-    }));
+    mpls_fib_table_walk (mpls_fib,
+                         vl_api_mpls_fib_dump_table_walk,
+                         &ctx);
   }));
   /* *INDENT-ON* */
-  vec_sort_with_function (lfeis, fib_entry_cmp_for_sort);
+  vec_sort_with_function (ctx.lfeis, fib_entry_cmp_for_sort);
 
-  vec_foreach (lfeip, lfeis)
+  vec_foreach (lfeip, ctx.lfeis)
   {
     fib_entry_get_prefix (*lfeip, &pfx);
     fib_index = fib_entry_get_fib_index (*lfeip);
@@ -436,7 +460,7 @@ vl_api_mpls_fib_dump_t_handler (vl_api_mpls_fib_dump_t * mp)
     vec_free (api_rpaths);
   }
 
-  vec_free (lfeis);
+  vec_free (ctx.lfeis);
 }
 
 /*