[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, 281 deletions

diff --git a/hicn-plugin/src/udp_tunnels/udp_tunnel.c b/hicn-plugin/src/udp_tunnels/udp_tunnel.c
deleted file mode 100644
index 872e4cd82..000000000
--- a/hicn-plugin/src/udp_tunnels/udp_tunnel.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Copyright (c) 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vppinfra/bihash_40_8.h>
-#include <vnet/fib/fib_table.h>
-
-#include "../error.h"
-#include "../strategy_dpo_ctx.h"
-#include "udp_tunnel.h"
-
-clib_bihash_40_8_t udp_tunnels_hashtb;
-dpo_type_t dpo_type_udp_ip4;
-dpo_type_t dpo_type_udp_ip6;
-
-u32 udp_tunnel_add (fib_protocol_t proto,
-                    index_t fib_index,
-                    const ip46_address_t * src_ip,
-                    const ip46_address_t * dst_ip,
-                    u16 src_port,
-                    u16 dst_port,
-                    udp_encap_fixup_flags_t flags)
-{
-  vlib_main_t *vm = vlib_get_main();
-  clib_bihash_kv_40_8_t kv;
-  clib_memcpy(&kv.key[0], src_ip, sizeof(ip46_address_t));
-  clib_memcpy(&kv.key[2], dst_ip, sizeof(ip46_address_t));
-  kv.key[4] = (clib_host_to_net_u16(src_port) << 16) + clib_host_to_net_u16(dst_port);
-
-  clib_bihash_kv_40_8_t value;
-  int rv = clib_bihash_search_40_8 (&udp_tunnels_hashtb, &kv, &value);
-
-  if (rv != 0)
-    {
-      u32 uei = udp_encap_add_and_lock(proto, fib_index, src_ip, dst_ip, src_port, dst_port, flags);
-      kv.value = uei;
-      clib_bihash_add_del_40_8(&udp_tunnels_hashtb, &kv, 1);
-      value.value = kv.value;
-      if (proto == FIB_PROTOCOL_IP4)
-        {
-          udp_register_dst_port(vm, src_port, udp4_decap_node.index, 1);
-        }
-      else
-        {
-          udp_register_dst_port(vm, src_port, udp6_decap_node.index, 0);
-        }
-    }
-
-  return value.value;
-}
-
-void udp_tunnel_add_existing (index_t uei, dpo_proto_t proto)
-{
-  vlib_main_t *vm = vlib_get_main();
-  udp_encap_t * udp_encap = udp_encap_get(uei);
-  clib_bihash_kv_40_8_t kv;
-
-  ip46_address_t src = {0};
-  ip46_address_t dst = {0};
-  u16 src_port = 0, dst_port = 0;
-
-  switch (proto)
-    {
-    case DPO_PROTO_IP4:
-      ip46_address_set_ip4(&src, &(udp_encap->ue_hdrs.ip4.ue_ip4.src_address));
-      ip46_address_set_ip4(&dst, &(udp_encap->ue_hdrs.ip4.ue_ip4.dst_address));
-      src_port = udp_encap->ue_hdrs.ip4.ue_udp.src_port;
-      dst_port = udp_encap->ue_hdrs.ip4.ue_udp.dst_port;
-      break;
-    case DPO_PROTO_IP6:
-      ip46_address_set_ip6(&src, &(udp_encap->ue_hdrs.ip6.ue_ip6.src_address));
-      ip46_address_set_ip6(&dst, &(udp_encap->ue_hdrs.ip6.ue_ip6.dst_address));
-      src_port = udp_encap->ue_hdrs.ip6.ue_udp.src_port;
-      dst_port = udp_encap->ue_hdrs.ip6.ue_udp.dst_port;
-      break;
-    default:
-      break;
-    }
-
-  clib_memcpy(&kv.key[0], &src, sizeof(ip46_address_t));
-  clib_memcpy(&kv.key[2], &dst, sizeof(ip46_address_t));
-  kv.key[4] = (src_port << 16) + dst_port ;
-  kv.value = uei;
-
-  clib_bihash_add_del_40_8(&udp_tunnels_hashtb, &kv, 1);
-
-  if (proto == DPO_PROTO_IP4)
-    {
-      udp_register_dst_port(vm, clib_net_to_host_u16(src_port), udp4_decap_node.index, 1);
-    }
-  else
-    {
-      udp_register_dst_port(vm, clib_net_to_host_u16(src_port), udp6_decap_node.index, 0);
-    }
-}
-
-int udp_tunnel_del (fib_protocol_t proto,
-                    index_t fib_index,
-                    const ip46_address_t * src_ip,
-                    const ip46_address_t * dst_ip,
-                    u16 src_port,
-                    u16 dst_port,
-                    udp_encap_fixup_flags_t flags)
-{
-  clib_bihash_kv_40_8_t kv;
-  clib_memcpy(&kv.key[0], src_ip, sizeof(ip46_address_t));
-  clib_memcpy(&kv.key[2], dst_ip, sizeof(ip46_address_t));
-  kv.key[4] = (clib_host_to_net_u16(src_port) << 16) + clib_host_to_net_u16(dst_port);
-
-  clib_bihash_kv_40_8_t value;
-  int ret = clib_bihash_search_40_8 (&udp_tunnels_hashtb, &kv, &value);
-
-  if (ret == 0)
-    {
-      udp_encap_unlock((u32)value.value);
-      clib_bihash_add_del_40_8(&udp_tunnels_hashtb, &kv, 0);
-      ret = HICN_ERROR_NONE;
-    }
-  else
-    {
-      ret = HICN_ERROR_UDP_TUNNEL_NOT_FOUND;
-    }
-
-  return ret;
-}
-
-u32 udp_tunnel_get(const ip46_address_t * src_ip,
-                   const ip46_address_t * dst_ip,
-                   u16 src_port,
-                   u16 dst_port)
-{
-  clib_bihash_kv_40_8_t kv;
-  clib_memcpy(&kv.key[0], src_ip, sizeof(ip46_address_t));
-  clib_memcpy(&kv.key[2], dst_ip, sizeof(ip46_address_t));
-  kv.key[4] = (src_port << 16) + dst_port;
-
-  clib_bihash_kv_40_8_t value;
-  int ret = clib_bihash_search_40_8 (&udp_tunnels_hashtb, &kv, &value);
-
-  return ret == 0 ? (u32)value.value : UDP_TUNNEL_INVALID;
-}
-
-
-void udp_tunnel_init()
-{
-  clib_bihash_init_40_8(&udp_tunnels_hashtb, "udp encap table",
-                        2048, 256 << 20);
-
-  /*
-   * Udp encap does not expose the dpo type when it registers.
-   * In the following we understand what is the dpo type for a udp_encap dpo.
-   */
-  ip46_address_t src = {0};
-  ip46_address_t dst = {0};
-
-  src.ip6.as_u8[15] = 1;
-  dst.ip6.as_u8[15] = 2;
-
-  u32 fib_index = fib_table_find (FIB_PROTOCOL_IP6, HICN_FIB_TABLE);
-  u32 uei = udp_encap_add_and_lock(FIB_PROTOCOL_IP6, fib_index, &src, &dst, 4444, 4444, UDP_ENCAP_FIXUP_NONE);
-
-  dpo_id_t temp = DPO_INVALID;
-  udp_encap_contribute_forwarding(uei, DPO_PROTO_IP6, &temp);
-  dpo_type_udp_ip6 = temp.dpoi_type;
-  udp_encap_unlock(uei);
-
-  dpo_id_t temp2 = DPO_INVALID;
-  fib_index = fib_table_find (FIB_PROTOCOL_IP4, HICN_FIB_TABLE);
-  uei = udp_encap_add_and_lock(FIB_PROTOCOL_IP4, fib_index, &src, &dst, 4444, 4444, UDP_ENCAP_FIXUP_NONE);
-  udp_encap_contribute_forwarding(uei, DPO_PROTO_IP4, &temp2);
-  dpo_type_udp_ip4 = temp2.dpoi_type;
-  udp_encap_unlock(uei);
-}
-
-static clib_error_t *
-udp_tunnel_command_fn (vlib_main_t * vm,
-			       unformat_input_t * main_input,
-			       vlib_cli_command_t * cmd)
-{
-  unformat_input_t _line_input, *line_input = &_line_input;
-  clib_error_t *error = NULL;
-  ip46_address_t src_ip = {0}, dst_ip = {0};
-  u32 table_id, src_port, dst_port;
-  fib_protocol_t fproto;
-  u8 is_del;
-  index_t uei;
-
-  is_del = 0;
-  fproto = FIB_PROTOCOL_MAX;
-  uei = ~0;
-  table_id = HICN_FIB_TABLE;
-
-  /* Get a line of input. */
-  if (unformat_user (main_input, unformat_line_input, line_input))
-    {
-      while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-	{
-          if (unformat (line_input, "index %d", &uei))
-            ;
-          else if (unformat (line_input, "add"))
-            is_del = 0;
-          else if (unformat (line_input, "del"))
-            is_del = 1;
-          else if (unformat (line_input, "%U %U",
-                             unformat_ip4_address,
-                             &src_ip.ip4, unformat_ip4_address, &dst_ip.ip4))
-            fproto = FIB_PROTOCOL_IP4;
-          else if (unformat (line_input, "%U %U",
-                             unformat_ip6_address,
-                             &src_ip.ip6, unformat_ip6_address, &dst_ip.ip6))
-            fproto = FIB_PROTOCOL_IP6;
-          else if (unformat (line_input, "%d %d", &src_port, &dst_port))
-            ;
-          else if (unformat (line_input, "table-id %d", &table_id))
-            ;
-          else
-            {
-              error = unformat_parse_error (line_input);
-              goto done;
-            }
-	}
-    }
-
-  index_t fib_index = fib_table_find (fproto, table_id);
-  if (~0 == fib_index)
-    {
-      error = clib_error_return (0, "Nonexistent table id %d", table_id);
-      goto done;
-    }
-
-  if (!is_del && fproto != FIB_PROTOCOL_MAX)
-    {
-      uei = udp_tunnel_add(fproto, fib_index, &src_ip, &dst_ip, src_port, dst_port, UDP_ENCAP_FIXUP_NONE);
-
-      vlib_cli_output (vm, "udp-encap: %d\n", uei);
-    }
-  else if (is_del)
-    {
-      int ret = udp_tunnel_del(fproto, fib_index, &src_ip, &dst_ip, src_port, dst_port, UDP_ENCAP_FIXUP_NONE);
-      error = (ret == HICN_ERROR_NONE) ? 0 : clib_error_return (0, "%s\n",
-                                                                get_error_string
-                                                                (ret));
-    }
-  else
-    {
-      error = clib_error_return (0, "specify some IP addresses");
-    }
-
- done:
-  unformat_free (line_input);
-  return error;
-
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (udp_tunnel_command, static) =
-  {
-   .path = "udp tunnel",
-   .short_help = "udp tunnel [add/del] src_address dst_address src_port dst_port",
-   .function = udp_tunnel_command_fn,
-  };
-/* *INDENT-ON* */
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */