ipsec: ipsec-tun protect

please consult the new tunnel proposal at:
  https://wiki.fd.io/view/VPP/IPSec

Type: feature

Change-Id: I52857fc92ae068b85f59be08bdbea1bd5932e291
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 0 insertions, 301 deletions

diff --git a/src/vnet/ipsec-gre/interface.c b/src/vnet/ipsec-gre/interface.c
deleted file mode 100644
index 6a8bb7d8f0b..00000000000
--- a/src/vnet/ipsec-gre/interface.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * gre_interface.c: gre interfaces
- *
- * Copyright (c) 2016 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.
- */
-/**
- * @file
- * @brief L2-GRE over IPSec tunnel interface.
- *
- * Creates ipsec-gre tunnel interface.
- * Provides a command line interface so humans can interact with VPP.
- */
-
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ipsec-gre/ipsec_gre.h>
-#include <vnet/ip/format.h>
-#include <vnet/ipsec/ipsec.h>
-#include <vnet/l2/l2_input.h>
-
-#include <vnet/ipsec/esp.h>
-
-u8 *
-format_ipsec_gre_tunnel (u8 * s, va_list * args)
-{
-  ipsec_gre_tunnel_t *t = va_arg (*args, ipsec_gre_tunnel_t *);
-  ipsec_gre_main_t *gm = &ipsec_gre_main;
-
-  s = format (s,
-	      "[%d] %U (src) %U (dst) local-sa %d remote-sa %d",
-	      t - gm->tunnels,
-	      format_ip4_address, &t->tunnel_src,
-	      format_ip4_address, &t->tunnel_dst,
-	      t->local_sa_id, t->remote_sa_id);
-  return s;
-}
-
-static clib_error_t *
-show_ipsec_gre_tunnel_command_fn (vlib_main_t * vm,
-				  unformat_input_t * input,
-				  vlib_cli_command_t * cmd)
-{
-  ipsec_gre_main_t *igm = &ipsec_gre_main;
-  ipsec_gre_tunnel_t *t;
-
-  if (pool_elts (igm->tunnels) == 0)
-    vlib_cli_output (vm, "No IPSec GRE tunnels configured...");
-
-  /* *INDENT-OFF* */
-  pool_foreach (t, igm->tunnels,
-  ({
-    vlib_cli_output (vm, "%U", format_ipsec_gre_tunnel, t);
-  }));
-  /* *INDENT-ON* */
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_ipsec_gre_tunnel_command, static) = {
-    .path = "show ipsec gre tunnel",
-    .function = show_ipsec_gre_tunnel_command_fn,
-};
-/* *INDENT-ON* */
-
-/* force inclusion from application's main.c */
-clib_error_t *
-ipsec_gre_interface_init (vlib_main_t * vm)
-{
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (ipsec_gre_interface_init);
-
-/**
- * @brief Add or delete ipsec-gre tunnel interface.
- *
- * @param *a vnet_ipsec_gre_tunnel_add_del_args_t - tunnel interface parameters
- * @param *sw_if_indexp u32 - software interface index
- * @return int - 0 if success otherwise <code>VNET_API_ERROR_</code>
- */
-int
-vnet_ipsec_gre_tunnel_add_del (const ipsec_gre_tunnel_add_del_args_t * a,
-			       u32 * sw_if_indexp)
-{
-  ipsec_gre_main_t *igm = &ipsec_gre_main;
-  vnet_main_t *vnm = igm->vnet_main;
-  ipsec_main_t *im = &ipsec_main;
-  ipsec_gre_tunnel_t *t;
-  vnet_hw_interface_t *hi;
-  u32 hw_if_index, sw_if_index;
-  u32 slot;
-  uword *p;
-  u64 key;
-
-  key = (u64) a->src.as_u32 << 32 | (u64) a->dst.as_u32;
-  p = hash_get (igm->tunnel_by_key, key);
-
-  if (a->is_add)
-    {
-      /* check if same src/dst pair exists */
-      if (p)
-	return VNET_API_ERROR_INVALID_VALUE;
-
-      pool_get_aligned (igm->tunnels, t, CLIB_CACHE_LINE_BYTES);
-      clib_memset (t, 0, sizeof (*t));
-
-      if (vec_len (igm->free_ipsec_gre_tunnel_hw_if_indices) > 0)
-	{
-	  vnet_interface_main_t *im = &vnm->interface_main;
-
-	  hw_if_index = igm->free_ipsec_gre_tunnel_hw_if_indices
-	    [vec_len (igm->free_ipsec_gre_tunnel_hw_if_indices) - 1];
-	  _vec_len (igm->free_ipsec_gre_tunnel_hw_if_indices) -= 1;
-
-	  hi = vnet_get_hw_interface (vnm, hw_if_index);
-	  hi->dev_instance = t - igm->tunnels;
-	  hi->hw_instance = hi->dev_instance;
-
-	  /* clear old stats of freed tunnel before reuse */
-	  sw_if_index = hi->sw_if_index;
-	  vnet_interface_counter_lock (im);
-	  vlib_zero_combined_counter
-	    (&im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX],
-	     sw_if_index);
-	  vlib_zero_combined_counter
-	    (&im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX],
-	     sw_if_index);
-	  vlib_zero_simple_counter
-	    (&im->sw_if_counters[VNET_INTERFACE_COUNTER_DROP], sw_if_index);
-	  vnet_interface_counter_unlock (im);
-	}
-      else
-	{
-	  hw_if_index = vnet_register_interface
-	    (vnm, ipsec_gre_device_class.index, t - igm->tunnels,
-	     ipsec_gre_hw_interface_class.index, t - igm->tunnels);
-	  hi = vnet_get_hw_interface (vnm, hw_if_index);
-	  sw_if_index = hi->sw_if_index;
-	}
-
-      t->hw_if_index = hw_if_index;
-      t->sw_if_index = sw_if_index;
-      t->local_sa_id = a->local_sa_id;
-      t->remote_sa_id = a->remote_sa_id;
-      t->local_sa = ipsec_get_sa_index_by_sa_id (t->local_sa_id);
-      t->remote_sa = ipsec_get_sa_index_by_sa_id (t->remote_sa_id);
-
-      ip4_sw_interface_enable_disable (sw_if_index, 1);
-
-      vec_validate_init_empty (igm->tunnel_index_by_sw_if_index,
-			       sw_if_index, ~0);
-      igm->tunnel_index_by_sw_if_index[sw_if_index] = t - igm->tunnels;
-
-      hi->min_packet_bytes = 64 + sizeof (gre_header_t) +
-	sizeof (ip4_header_t) + sizeof (esp_header_t) + sizeof (esp_footer_t);
-
-      /* Standard default gre MTU. */
-      /* TODO: Should take tunnel overhead into consideration */
-      vnet_sw_interface_set_mtu (vnm, sw_if_index, 9000);
-
-      clib_memcpy (&t->tunnel_src, &a->src, sizeof (t->tunnel_src));
-      clib_memcpy (&t->tunnel_dst, &a->dst, sizeof (t->tunnel_dst));
-
-      hash_set (igm->tunnel_by_key, key, t - igm->tunnels);
-
-      slot = vlib_node_add_next_with_slot
-	(vnm->vlib_main, hi->tx_node_index, im->esp4_encrypt_node_index,
-	 IPSEC_GRE_OUTPUT_NEXT_ESP_ENCRYPT);
-
-      ASSERT (slot == IPSEC_GRE_OUTPUT_NEXT_ESP_ENCRYPT);
-    }
-  else
-    {				/* !is_add => delete */
-      /* tunnel needs to exist */
-      if (!p)
-	return VNET_API_ERROR_NO_SUCH_ENTRY;
-
-      t = pool_elt_at_index (igm->tunnels, p[0]);
-
-      sw_if_index = t->sw_if_index;
-      ip4_sw_interface_enable_disable (sw_if_index, 0);
-      vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */ );
-      /* make sure tunnel is removed from l2 bd or xconnect */
-      set_int_l2_mode (igm->vlib_main, vnm, MODE_L3, sw_if_index, 0,
-		       L2_BD_PORT_TYPE_NORMAL, 0, 0);
-      vec_add1 (igm->free_ipsec_gre_tunnel_hw_if_indices, t->hw_if_index);
-      igm->tunnel_index_by_sw_if_index[sw_if_index] = ~0;
-
-      hash_unset (igm->tunnel_by_key, key);
-      pool_put (igm->tunnels, t);
-    }
-
-  if (sw_if_indexp)
-    *sw_if_indexp = sw_if_index;
-
-  return ipsec_add_del_ipsec_gre_tunnel (vnm, a);
-}
-
-static clib_error_t *
-create_ipsec_gre_tunnel_command_fn (vlib_main_t * vm,
-				    unformat_input_t * input,
-				    vlib_cli_command_t * cmd)
-{
-  unformat_input_t _line_input, *line_input = &_line_input;
-  u32 num_m_args = 0;
-  ipsec_gre_tunnel_add_del_args_t _a, *a = &_a;
-  int rv;
-  u32 sw_if_index;
-  clib_error_t *error = NULL;
-
-  clib_memset (a, 0, sizeof (*a));
-  a->is_add = 1;
-
-  /* Get a line of input. */
-  if (!unformat_user (input, unformat_line_input, line_input))
-    return 0;
-
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "del"))
-	a->is_add = 0;
-      else if (unformat (line_input, "src %U", unformat_ip4_address, &a->src))
-	num_m_args++;
-      else if (unformat (line_input, "dst %U", unformat_ip4_address, &a->dst))
-	num_m_args++;
-      else if (unformat (line_input, "local-sa %d", &a->local_sa_id))
-	num_m_args++;
-      else if (unformat (line_input, "remote-sa %d", &a->remote_sa_id))
-	num_m_args++;
-      else
-	{
-	  error = clib_error_return (0, "unknown input `%U'",
-				     format_unformat_error, line_input);
-	  goto done;
-	}
-    }
-
-  if (num_m_args < 4)
-    {
-      error = clib_error_return (0, "mandatory argument(s) missing");
-      goto done;
-    }
-
-  if (memcmp (&a->src, &a->dst, sizeof (a->src)) == 0)
-    {
-      error = clib_error_return (0, "src and dst are identical");
-      goto done;
-    }
-
-  rv = vnet_ipsec_gre_tunnel_add_del (a, &sw_if_index);
-
-  switch (rv)
-    {
-    case 0:
-      vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
-		       vnet_get_main (), sw_if_index);
-      break;
-    case VNET_API_ERROR_INVALID_VALUE:
-      error = clib_error_return (0, "GRE tunnel already exists...");
-      goto done;
-    default:
-      error = clib_error_return (0,
-				 "vnet_ipsec_gre_tunnel_add_del returned %d",
-				 rv);
-      goto done;
-    }
-
-done:
-  unformat_free (line_input);
-
-  return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (create_ipsec_gre_tunnel_command, static) = {
-  .path = "create ipsec gre tunnel",
-  .short_help = "create ipsec gre tunnel src <addr> dst <addr> "
-                "local-sa <id> remote-sa <id> [del]",
-  .function = create_ipsec_gre_tunnel_command_fn,
-};
-/* *INDENT-ON* */
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/