[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, 369 deletions

diff --git a/hicn-plugin/src/faces/app/face_prod.c b/hicn-plugin/src/faces/app/face_prod.c
deleted file mode 100644
index 645154325..000000000
--- a/hicn-plugin/src/faces/app/face_prod.c
+++ /dev/null
@@ -1,369 +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/ip/ip6_packet.h>
-#include <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/interface_funcs.h>
-
-#include "face_prod.h"
-#include "address_mgr.h"
-#include "../../infra.h"
-#include "../../route.h"
-#include "../../cache_policies/cs_lru.h"
-
-hicn_face_prod_state_t *face_state_vec;
-
-/* used to check if an interface is already in the vector */
-u32 *face_state_pool;
-
-static int
-hicn_app_state_create (u32 swif, fib_prefix_t * prefix)
-{
-  /* Make sure that the pool is not empty */
-  pool_validate_index (face_state_pool, 0);
-
-  u32 *swif_app;
-  u8 found = 0;
-  /* *INDENT-OFF* */
-  pool_foreach (swif_app, face_state_pool,{
-      if (*swif_app == swif)
-	{
-	  found = 1;
-	}
-    }
-  );
-  /* *INDENT-ON* */
-
-
-  if (found)
-    return HICN_ERROR_APPFACE_ALREADY_ENABLED;
-
-
-  /* Create the appif and store in the vector */
-  vec_validate (face_state_vec, swif);
-  clib_memcpy (&(face_state_vec[swif].prefix), prefix, sizeof (fib_prefix_t));
-
-  /* Set as busy the element in the vector */
-  pool_get (face_state_pool, swif_app);
-  *swif_app = swif;
-
-  int ret = HICN_ERROR_NONE;
-  if (ip46_address_is_ip4 (&(prefix->fp_addr)))
-    {
-      ret =
-	vnet_feature_enable_disable ("ip4-unicast", "hicn-face-prod-input",
-				     swif, 1, 0, 0);
-    }
-  else
-    {
-      ret =
-	vnet_feature_enable_disable ("ip6-unicast", "hicn-face-prod-input",
-				     swif, 1, 0, 0);
-    }
-
-  return ret == 0 ? HICN_ERROR_NONE : HICN_ERROR_APPFACE_FEATURE;
-}
-
-static int
-hicn_app_state_del (u32 swif)
-{
-  /* Make sure that the pool is not empty */
-  pool_validate_index (face_state_pool, 0);
-
-  u32 *temp;
-  u32 *swif_app = NULL;
-  u8 found = 0;
-  fib_prefix_t *prefix;
-  /* *INDENT-OFF* */
-  pool_foreach (temp, face_state_pool,{
-      if (*temp == swif)
-	{
-	  found = 1;
-	  swif_app = temp;
-	}
-    }
-  );
-  /* *INDENT-ON* */
-
-  if (!found)
-    return HICN_ERROR_APPFACE_NOT_FOUND;
-
-  prefix = &(face_state_vec[swif].prefix);
-
-  int ret = HICN_ERROR_NONE;
-  if (ip46_address_is_ip4 (&prefix->fp_addr))
-    {
-      ret =
-	vnet_feature_enable_disable ("ip4-unicast", "hicn-face-prod-input",
-				     swif, 0, 0, 0);
-    }
-  else
-    {
-      ret =
-	vnet_feature_enable_disable ("ip6-unicast", "hicn-face-prod-input",
-				     swif, 0, 0, 0);
-    }
-
-  pool_put (face_state_pool, swif_app);
-  memset (&face_state_vec[swif], 0, sizeof (hicn_face_prod_state_t));
-
-  return ret == 0 ? HICN_ERROR_NONE : HICN_ERROR_APPFACE_FEATURE;
-}
-
-int
-hicn_face_prod_add (fib_prefix_t * prefix, u32 sw_if, u32 * cs_reserved,
-		    ip46_address_t * prod_addr, hicn_face_id_t * faceid)
-{
-  vlib_main_t *vm = vlib_get_main ();
-  vnet_main_t *vnm = vnet_get_main ();
-
-  hicn_main_t *hm = &hicn_main;
-
-  ip46_address_t local_app_ip;
-  CLIB_UNUSED(ip46_address_t remote_app_ip);
-  u32 if_flags = 0;
-
-  if (!hm->is_enabled)
-    {
-      return HICN_ERROR_FWD_NOT_ENABLED;
-    }
-
-  if (vnet_get_sw_interface_or_null (vnm, sw_if) == NULL)
-    {
-      return HICN_ERROR_FACE_HW_INT_NOT_FOUND;
-    }
-
-  int ret = HICN_ERROR_NONE;
-  hicn_face_t *face = NULL;
-
-  if_flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
-  vnet_sw_interface_set_flags (vnm, sw_if, if_flags);
-
-  u8 *s0;
-  s0 = format (0, "Prefix %U", format_fib_prefix, prefix);
-
-  vlib_cli_output (vm, "Received request for %s, swif %d\n", s0, sw_if);
-
-  if (ip46_address_is_zero (&prefix->fp_addr))
-    {
-      return HICN_ERROR_APPFACE_PROD_PREFIX_NULL;
-    }
-
-  u8 isv6 = ip46_address_is_ip4(prod_addr);
-  index_t adj_index = adj_nbr_find(isv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4, isv6 ? VNET_LINK_IP6 : VNET_LINK_IP4, prod_addr, sw_if);
-
-  /*
-   * Check if a producer face is already existing for the same prefix
-   * and sw_if
-   */
-  face = hicn_face_get (&(prefix->fp_addr), sw_if,
-                        &hicn_face_hashtb, adj_index);
-
-  if (face != NULL)
-    {
-      if (!(face->flags & HICN_FACE_FLAGS_DELETED))
-	return HICN_ERROR_FACE_ALREADY_CREATED;
-
-      /*
-       * Something went worng, a consumer face exists for the
-       * producer's prefix.
-       */
-      /* It should never happens, this is a safety check. */
-      if (face->flags & HICN_FACE_FLAGS_APPFACE_CONS)
-	return HICN_ERROR_FACE_ALREADY_CREATED;
-
-      /* If the face exists but is marked as deleted, undelete it */
-      if (face->flags & HICN_FACE_FLAGS_DELETED)
-	{
-	  /*
-	   * remove the deleted flag and retrieve the face
-	   * local addr
-	   */
-	  face->flags &= HICN_FACE_FLAGS_DELETED;
-	}
-    }
-  else
-    {
-      /* Otherwise create the face */
-      if (ip46_address_is_ip4 (&prefix->fp_addr))
-	{
-	  /*
-	   * Otherwise retrieve an ip address to assign as a
-	   * local ip addr.
-	   */
-	  ip4_address_t local_app_ip4;
-	  ip4_address_t remote_app_ip4;
-	  get_two_ip4_addresses (&local_app_ip4, &remote_app_ip4);
-	  ip4_add_del_interface_address (vm,
-					 sw_if,
-					 &local_app_ip4, 31, 0 /* is_del */ );
-	  local_app_ip = to_ip46 ( /* isv6 */ 0, local_app_ip4.as_u8);
-	  remote_app_ip = to_ip46 ( /* isv6 */ 0, remote_app_ip4.as_u8);
-
-          vnet_build_rewrite_for_sw_interface(vnm, sw_if, VNET_LINK_IP4, &remote_app_ip4);
-	}
-      else
-	{
-	  ip6_address_t local_app_ip6;
-	  ip6_address_t remote_app_ip6;
-	  get_two_ip6_addresses (&local_app_ip6, &remote_app_ip6);
-	  u8 *s0;
-	  s0 = format (0, "%U", format_ip6_address, &local_app_ip6);
-
-	  vlib_cli_output (vm, "Setting ip address %s\n", s0);
-
-	  ip6_add_del_interface_address (vm,
-					 sw_if,
-					 &local_app_ip6, 127,
-					 0 /* is_del */ );
-	  local_app_ip = to_ip46 ( /* isv6 */ 1, local_app_ip6.as_u8);
-	  remote_app_ip = to_ip46 ( /* isv6 */ 1, remote_app_ip6.as_u8);
-	}
-    }
-
-  if (ret == HICN_ERROR_NONE)
-    //    && hicn_face_prod_set_lru_max (*faceid, cs_reserved) == HICN_ERROR_NONE)
-    {
-      fib_route_path_t rpath = {0};
-      fib_route_path_t * rpaths = NULL;
-
-      if (ip46_address_is_ip4(&(prefix->fp_addr)))
-        {
-          ip4_address_t mask;
-          ip4_preflen_to_mask (prefix->fp_len, &mask);
-          prefix->fp_addr.ip4.as_u32 = prefix->fp_addr.ip4.as_u32 & mask.as_u32;
-          prefix->fp_proto = FIB_PROTOCOL_IP4;
-
-          rpath.frp_weight = 1;
-          rpath.frp_sw_if_index = ~0;
-          rpath.frp_addr.ip4.as_u32 = remote_app_ip.ip4.as_u32;
-          rpath.frp_sw_if_index = sw_if;
-          rpath.frp_proto = DPO_PROTO_IP4;
-
-          vec_add1 (rpaths, rpath);
-        }
-      else
-        {
-          ip6_address_t mask;
-          ip6_preflen_to_mask (prefix->fp_len, &mask);
-          prefix->fp_addr.ip6.as_u64[0] =
-            prefix->fp_addr.ip6.as_u64[0] & mask.as_u64[0];
-          prefix->fp_addr.ip6.as_u64[1] =
-            prefix->fp_addr.ip6.as_u64[1] & mask.as_u64[1];
-          prefix->fp_proto = FIB_PROTOCOL_IP6;
-
-          rpath.frp_weight = 1;
-          rpath.frp_sw_if_index = ~0;
-          rpath.frp_addr.ip6.as_u64[0] = remote_app_ip.ip6.as_u64[0];
-          rpath.frp_addr.ip6.as_u64[1] = remote_app_ip.ip6.as_u64[1];
-          rpath.frp_sw_if_index = sw_if;
-          rpath.frp_proto = DPO_PROTO_IP6;
-
-          vec_add1 (rpaths, rpath);
-        }
-
-      u32 fib_index = fib_table_find (prefix->fp_proto, 0);
-      fib_table_entry_path_add2 (fib_index,
-                                 prefix,
-                                 FIB_SOURCE_CLI,
-                                 FIB_ENTRY_FLAG_NONE, rpaths);
-
-      hicn_route_enable(prefix);
-      hicn_app_state_create (sw_if, prefix);
-    }
-
-  adj_index = adj_nbr_find(isv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4, isv6 ? VNET_LINK_IP6 : VNET_LINK_IP4, prod_addr, sw_if);
-  face = hicn_face_get(&local_app_ip, sw_if, &hicn_face_hashtb, adj_index);//HICN_FACE_FLAGS_APPFACE_PROD);
-
-  *faceid = hicn_dpoi_get_index (face);
-
-  face->flags |= HICN_FACE_FLAGS_APPFACE_PROD;
-
-  hicn_face_unlock_with_id(*faceid);
-
-  *prod_addr = local_app_ip;
-
-  /* Cleanup in case of something went wrong. */
-  if (ret)
-    {
-      hicn_app_state_del (sw_if);
-    }
-  return ret;
-}
-
-int
-hicn_face_prod_del (hicn_face_id_t face_id)
-{
-  if (!hicn_dpoi_idx_is_valid (face_id))
-    return HICN_ERROR_APPFACE_NOT_FOUND;
-
-  hicn_face_t *face = hicn_dpoi_get_from_idx (face_id);
-
-  if (face->flags & HICN_FACE_FLAGS_APPFACE_PROD)
-    {
-      /* Remove the face from the fib */
-      hicn_route_disable(&(face_state_vec[face->sw_if].prefix));
-      //hicn_route_del_nhop (&(face_state_vec[face->sw_if].prefix),
-      //			   face_id);
-
-      //int ret = hicn_face_del (face_id);
-      return hicn_app_state_del (face->sw_if);
-        //ret == HICN_ERROR_NONE ? hicn_app_state_del (face->sw_if) : ret;
-    }
-  else
-    {
-      return HICN_ERROR_APPFACE_NOT_FOUND;
-    }
-
-  return HICN_ERROR_NONE;
-}
-
-u8 *
-format_hicn_face_prod (u8 * s, va_list * args)
-{
-  CLIB_UNUSED (index_t index) = va_arg (*args, index_t);
-  CLIB_UNUSED (u32 indent) = va_arg (*args, u32);
-
-  s =
-    format (s, " (producer)");
-
-  return s;
-}
-
-/* *INDENT-OFF* */
-VNET_FEATURE_INIT(hicn_prod_app_input_ip6, static)=
-{
-  .arc_name = "ip6-unicast",
-  .node_name = "hicn-face-prod-input",
-  .runs_before = VNET_FEATURES("ip6-inacl"),
-};
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-VNET_FEATURE_INIT(hicn_prod_app_input_ip4, static)=
-{
-  .arc_name = "ip4-unicast",
-  .node_name = "hicn-face-prod-input",
-  .runs_before = VNET_FEATURES("ip4-inacl"),
-};
-/* *INDENT-ON* */
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */