[HICN-574] Host stack plugin for VPP.

Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I8d8fdffef31a7013265d6529c5f52f3d5ec70d18
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Signed-off-by: Mauro <you@example.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>

1 files changed, 0 insertions, 475 deletions

diff --git a/hicn-plugin/src/faces/face.c b/hicn-plugin/src/faces/face.c
deleted file mode 100644
index b495d18b0..000000000
--- a/hicn-plugin/src/faces/face.c
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
- * Copyright (c) 2017-2020 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.
- */
-#include <vnet/fib/fib_entry_track.h>
-
-#include "face.h"
-#include "../hicn.h"
-#include "../params.h"
-#include "../error.h"
-#include "../mapme.h"
-#include "../mapme_eventmgr.h"
-
-dpo_id_t *face_dpo_vec;
-hicn_face_vft_t *face_vft_vec;
-char **face_type_names_vec;
-
-hicn_face_t *hicn_dpoi_face_pool;
-
-dpo_type_t first_type = DPO_FIRST;
-
-vlib_combined_counter_main_t *counters;
-
-dpo_type_t hicn_face_type;
-
-fib_node_type_t hicn_face_fib_node_type;
-
-const char *HICN_FACE_CTRX_STRING[] = {
-#define _(a,b,c) c,
-  foreach_hicn_face_counter
-#undef _
-};
-
-u8 *
-face_show (u8 * s, int face_id, u32 indent)
-{
-  s = format (s, "%U Faces:\n", format_white_space, indent);
-  indent += 4;
-  int i;
-  vec_foreach_index (i, face_dpo_vec)
-  {
-    s =
-      format (s, "%U", face_vft_vec[i].format_face,
-	      face_dpo_vec[face_id].dpoi_index, indent);
-  }
-
-  return (s);
-
-}
-
-mhash_t hicn_face_vec_hashtb;
-mhash_t hicn_face_hashtb;
-
-hicn_face_vec_t *hicn_vec_pool;
-
-const static char *const hicn_face6_nodes[] = {
-  "hicn6-face-output",		// this is the name you give your node in VLIB_REGISTER_NODE
-  "hicn6-iface-output",		// this is the name you give your node in VLIB_REGISTER_NODE
-  NULL,
-};
-
-const static char *const hicn_face4_nodes[] = {
-  "hicn4-face-output",		// this is the name you give your node in VLIB_REGISTER_NODE
-  "hicn4-iface-output",		// this is the name you give your node in VLIB_REGISTER_NODE
-  NULL,
-};
-
-
-const static char *const *const hicn_face_nodes[DPO_PROTO_NUM] = {
-  [DPO_PROTO_IP4] = hicn_face4_nodes,
-  [DPO_PROTO_IP6] = hicn_face6_nodes
-};
-
-const static dpo_vft_t hicn_face_dpo_vft = {
-  .dv_lock = hicn_face_lock,
-  .dv_unlock = hicn_face_unlock,
-  .dv_format = format_hicn_face,
-};
-
-static fib_node_t *
-hicn_face_node_get (fib_node_index_t index)
-{
-  hicn_face_t *face;
-
-  face = hicn_dpoi_get_from_idx (index);
-
-  return (&face->fib_node);
-}
-
-static void
-hicn_face_last_lock_gone (fib_node_t * node)
-{
-}
-
-static hicn_face_t *
-hicn_face_from_fib_node (fib_node_t * node)
-{
-  return ((hicn_face_t *) (((char *) node) -
-			   STRUCT_OFFSET_OF (hicn_face_t, fib_node)));
-}
-
-static fib_node_back_walk_rc_t
-hicn_face_back_walk_notify (fib_node_t * node, fib_node_back_walk_ctx_t * ctx)
-{
-
-  hicn_face_t *face = hicn_face_from_fib_node (node);
-
-  const dpo_id_t *dpo_loadbalance =
-    fib_entry_contribute_ip_forwarding (face->fib_entry_index);
-  const load_balance_t *lb0 = load_balance_get (dpo_loadbalance->dpoi_index);
-
-  const dpo_id_t *dpo = load_balance_get_bucket_i (lb0, 0);
-
-  dpo_stack (hicn_face_type, face->dpo.dpoi_proto, &face->dpo, dpo);
-  /* if (dpo_is_adj(dpo)) */
-  /*   { */
-  /*     ip_adjacency_t * adj = adj_get (dpo->dpoi_index); */
-
-  /*     if (dpo->dpoi_type == DPO_ADJACENCY_MIDCHAIN || */
-  /*         dpo->dpoi_type == DPO_ADJACENCY_MCAST_MIDCHAIN) */
-  /*       { */
-  /*         adj_nbr_midchain_stack(dpo->dpoi_index, &face->dpo); */
-  /*       } */
-  /*     else */
-  /*       { */
-  /*         dpo_stack(hicn_face_type, face->dpo.dpoi_proto, &face->dpo, dpo); */
-  /*       } */
-  /*   } */
-
-  return (FIB_NODE_BACK_WALK_CONTINUE);
-}
-
-static void
-hicn_face_show_memory (void)
-{
-}
-
-
-static const fib_node_vft_t hicn_face_fib_node_vft = {
-  .fnv_get = hicn_face_node_get,
-  .fnv_last_lock = hicn_face_last_lock_gone,
-  .fnv_back_walk = hicn_face_back_walk_notify,
-  .fnv_mem_show = hicn_face_show_memory,
-};
-
-// Make this more flexible for future types face
-void
-hicn_face_module_init (vlib_main_t * vm)
-{
-  pool_validate (hicn_dpoi_face_pool);
-  pool_alloc (hicn_dpoi_face_pool, 1024);
-  counters =
-    vec_new (vlib_combined_counter_main_t,
-	     HICN_PARAM_FACES_MAX * HICN_N_COUNTER);
-
-  mhash_init (&hicn_face_vec_hashtb,
-	      sizeof (hicn_face_input_faces_t) /* value */ ,
-	      sizeof (hicn_face_key_t) /* key */ );
-  mhash_init (&hicn_face_hashtb, sizeof (hicn_face_id_t) /* value */ ,
-	      sizeof (hicn_face_key_t) /* key */ );
-
-  pool_alloc (hicn_vec_pool, 100);
-
-  /*
-   * How much useful is the following registration?
-   * So far it seems that we need it only for setting the dpo_type.
-   */
-  hicn_face_type =
-    dpo_register_new_type (&hicn_face_dpo_vft, hicn_face_nodes);
-
-  /*
-   * We register a new node type to get informed when the adjacency corresponding
-   * to a face is updated
-   */
-  hicn_face_fib_node_type =
-    fib_node_register_new_type (&hicn_face_fib_node_vft);
-}
-
-u8 *
-format_hicn_face (u8 * s, va_list * args)
-{
-  index_t index = va_arg (*args, index_t);
-  u32 indent = va_arg (*args, u32);
-  hicn_face_t *face;
-
-  face = hicn_dpoi_get_from_idx (index);
-
-  if (face->flags & HICN_FACE_FLAGS_FACE)
-    {
-      hicn_face_id_t face_id = hicn_dpoi_get_index (face);
-      s = format (s, "%U Face %d: ", format_white_space, indent, face_id);
-      s = format (s, "nat address %U locks %u, path_label %u",
-		  format_ip46_address, &face->nat_addr, IP46_TYPE_ANY,
-		  face->locks, face->pl_id);
-
-      if ((face->flags & HICN_FACE_FLAGS_APPFACE_PROD))
-	s = format (s, " (producer)");
-      else if ((face->flags & HICN_FACE_FLAGS_APPFACE_CONS))
-	s = format (s, " (consumer)");
-
-      if ((face->flags & HICN_FACE_FLAGS_DELETED))
-	s = format (s, " (deleted)");
-
-      s = format (s, "\n%U%U",
-		  format_white_space, indent + 2,
-		  format_dpo_id, &face->dpo, indent + 3);
-    }
-  else
-    {
-      hicn_face_id_t face_id = hicn_dpoi_get_index (face);
-      s = format (s, "%U iFace %d: ", format_white_space, indent, face_id);
-      s = format (s, "nat address %U locks %u, path_label %u",
-		  format_ip46_address, &face->nat_addr, IP46_TYPE_ANY,
-		  face->locks, face->pl_id);
-
-      if ((face->flags & HICN_FACE_FLAGS_APPFACE_PROD))
-	s = format (s, " (producer)");
-      else if ((face->flags & HICN_FACE_FLAGS_APPFACE_CONS))
-	s = format (s, " (consumer)");
-
-      if ((face->flags & HICN_FACE_FLAGS_DELETED))
-	s = format (s, " (deleted)");
-    }
-
-  return s;
-}
-
-
-u8 *
-format_hicn_face_all (u8 * s, int n, ...)
-{
-  va_list ap;
-  va_start (ap, n);
-  u32 indent = va_arg (ap, u32);
-
-  s = format (s, "%U Faces:\n", format_white_space, indent);
-
-  hicn_face_t *face;
-
-  /* *INDENT-OFF* */
-  pool_foreach ( face, hicn_dpoi_face_pool,
-                 {
-                   s = format(s, "%U\n", format_hicn_face, hicn_dpoi_get_index(face), indent);
-                 });
-  /* *INDENT-ON* */
-
-  return s;
-}
-
-int
-hicn_face_del (hicn_face_id_t face_id)
-{
-  hicn_face_t *face = hicn_dpoi_get_from_idx (face_id);
-  hicn_face_key_t key;
-  hicn_face_key_t old_key;
-  hicn_face_key_t old_key2;
-
-  hicn_face_get_key (&(face->nat_addr), face->sw_if, &(face->dpo), &key);
-  hicn_face_input_faces_t *in_faces_vec =
-    hicn_face_get_vec (&(face->nat_addr),
-		       &hicn_face_vec_hashtb);
-  if (in_faces_vec != NULL)
-    {
-      hicn_face_vec_t *vec =
-	pool_elt_at_index (hicn_vec_pool, in_faces_vec->vec_id);
-      u32 index_face = vec_search (*vec, face_id);
-      vec_del1 (*vec, index_face);
-
-      if (vec_len (*vec) == 0)
-	{
-	  pool_put_index (hicn_vec_pool, in_faces_vec->vec_id);
-	  mhash_unset (&hicn_face_vec_hashtb, &key, (uword *) & old_key);
-	  vec_free (*vec);
-	}
-      else
-	{
-	  /* Check if the face we are deleting is the preferred one. */
-	  /* If so, repleace with another. */
-	  if (in_faces_vec->face_id == face_id)
-	    {
-	      in_faces_vec->face_id = (*vec)[0];
-	    }
-	}
-
-      mhash_unset (&hicn_face_hashtb, &key, (uword *) & old_key2);
-    }
-
-  int ret = HICN_ERROR_NONE;
-
-  if (hicn_dpoi_idx_is_valid (face_id))
-    {
-      hicn_face_t *face = hicn_dpoi_get_from_idx (face_id);
-      face->locks--;
-      if (face->locks == 0)
-	pool_put_index (hicn_dpoi_face_pool, face_id);
-      else
-	face->flags |= HICN_FACE_FLAGS_DELETED;
-    }
-  else
-    ret = HICN_ERROR_FACE_NOT_FOUND;
-
-
-  return ret;
-}
-
-static void
-hicn_iface_to_face (hicn_face_t * face, const dpo_id_t * dpo)
-{
-  dpo_stack (hicn_face_type, dpo->dpoi_proto, &face->dpo, dpo);
-
-  face->flags &= ~HICN_FACE_FLAGS_IFACE;
-  face->flags |= HICN_FACE_FLAGS_FACE;
-
-  if (dpo_is_adj (dpo))
-    {
-      fib_node_init (&face->fib_node, hicn_face_fib_node_type);
-      fib_node_lock (&face->fib_node);
-
-      if (dpo->dpoi_type != DPO_ADJACENCY_MIDCHAIN ||
-	  dpo->dpoi_type != DPO_ADJACENCY_MCAST_MIDCHAIN)
-	{
-	  ip_adjacency_t *adj = adj_get (dpo->dpoi_index);
-	  ip46_address_t *nh = &(adj->sub_type.nbr.next_hop);
-	  fib_prefix_t prefix;
-
-	  if (!ip46_address_is_zero (nh))
-	    {
-	      fib_prefix_from_ip46_addr (nh, &prefix);
-
-	      u32 fib_index =
-		fib_table_find (prefix.fp_proto, HICN_FIB_TABLE);
-
-	      face->fib_entry_index = fib_entry_track (fib_index,
-						       &prefix,
-						       hicn_face_fib_node_type,
-						       hicn_dpoi_get_index
-						       (face),
-						       &face->fib_sibling);
-	    }
-	}
-    }
-}
-
-/*
- * Utility that adds a new face cache entry. For the moment we assume that
- * the ip_adjacency has already been set up.
- */
-int
-hicn_face_add (const dpo_id_t * dpo_nh, ip46_address_t * nat_address,
-	       int sw_if, hicn_face_id_t * pfaceid, u8 is_app_prod)
-{
-
-  hicn_face_flags_t flags = (hicn_face_flags_t) 0;
-  flags |= HICN_FACE_FLAGS_FACE;
-
-  hicn_face_t *face;
-
-  face =
-    hicn_face_get_with_dpo (nat_address, sw_if, dpo_nh, &hicn_face_hashtb);
-
-  if (face != NULL)
-    {
-      *pfaceid = hicn_dpoi_get_index (face);
-      return HICN_ERROR_FACE_ALREADY_CREATED;
-    }
-
-  face =
-    hicn_face_get (nat_address, sw_if, &hicn_face_hashtb, dpo_nh->dpoi_index);
-
-  dpo_id_t temp_dpo = DPO_INVALID;
-  temp_dpo.dpoi_index = dpo_nh->dpoi_index;
-  hicn_face_key_t key;
-  hicn_face_get_key (nat_address, sw_if, dpo_nh, &key);
-
-  if (face == NULL)
-    {
-
-      hicn_iface_add (nat_address, sw_if, pfaceid, dpo_nh->dpoi_proto,
-		      dpo_nh->dpoi_index);
-      face = hicn_dpoi_get_from_idx (*pfaceid);
-
-      mhash_set_mem (&hicn_face_hashtb, &key, (uword *) pfaceid, 0);
-
-      hicn_face_get_key (nat_address, sw_if, &temp_dpo, &key);
-      mhash_set_mem (&hicn_face_hashtb, &key, (uword *) pfaceid, 0);
-    }
-  else
-    {
-      /* We found an iface and we convert it to a face */
-      *pfaceid = hicn_dpoi_get_index (face);
-      mhash_set_mem (&hicn_face_hashtb, &key, (uword *) pfaceid, 0);
-    }
-
-  hicn_iface_to_face (face, dpo_nh);
-
-  temp_dpo.dpoi_index = ~0;
-
-  hicn_face_input_faces_t *in_faces =
-    hicn_face_get_vec (nat_address, &hicn_face_vec_hashtb);
-
-  if (in_faces == NULL)
-    {
-      hicn_face_input_faces_t in_faces_temp;
-      hicn_face_vec_t *vec;
-      pool_get (hicn_vec_pool, vec);
-      *vec = vec_new (hicn_face_id_t, 0);
-      u32 index = vec - hicn_vec_pool;
-      in_faces_temp.vec_id = index;
-      vec_add1 (*vec, *pfaceid);
-
-      in_faces_temp.face_id = *pfaceid;
-
-      hicn_face_get_key (nat_address, 0, &temp_dpo, &key);
-
-      mhash_set_mem (&hicn_face_vec_hashtb, &key,
-		     (uword *) & in_faces_temp, 0);
-    }
-  else
-    {
-      hicn_face_vec_t *vec =
-	pool_elt_at_index (hicn_vec_pool, in_faces->vec_id);
-
-      /* */
-      if (vec_search (*vec, *pfaceid) != ~0)
-	return HICN_ERROR_FACE_ALREADY_CREATED;
-
-      vec_add1 (*vec, *pfaceid);
-
-      hicn_iface_to_face (face, dpo_nh);
-
-      hicn_face_get_key (nat_address, 0, &temp_dpo, &key);
-
-      mhash_set_mem (&hicn_face_vec_hashtb, &key, (uword *) in_faces, 0);
-
-      /* If the face is an application producer face, we set it as the preferred incoming face. */
-      /* This is required to handle the CS separation, and the push api in a lightway */
-      if (is_app_prod)
-	{
-	  in_faces->face_id = *pfaceid;
-	}
-    }
-
-  retx_t *retx = vlib_process_signal_event_data (vlib_get_main (),
-						 hicn_mapme_eventmgr_process_node.
-						 index,
-						 HICN_MAPME_EVENT_FACE_ADD, 1,
-						 sizeof (retx_t));
-
-  /* *INDENT-OFF* */
-  *retx = (retx_t) {
-    .face_id = *pfaceid,
-  };
-  /* *INDENT-ON* */
-
-  return HICN_ERROR_NONE;
-}
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */