misc: Move l2tp to plugin

Type: refactor

Change-Id: Ifb36eeb146b87e9e305881429d32d6879e955e1e
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 315 insertions, 0 deletions

diff --git a/src/plugins/l2tp/l2tp_test.c b/src/plugins/l2tp/l2tp_test.c
new file mode 100644
index 00000000000..87abf5d0a2a
--- /dev/null
+++ b/src/plugins/l2tp/l2tp_test.c
@@ -0,0 +1,315 @@
+/*
+ * 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 <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+
+#include <vnet/ip/ip_format_fns.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet_format_fns.h>
+#include <l2tp/l2tp.h>
+
+/* define message IDs */
+#include <l2tp/l2tp.api_enum.h>
+#include <l2tp/l2tp.api_types.h>
+#include <vpp/api/vpe.api_types.h>
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  u32 ping_id;
+  vat_main_t *vat_main;
+} l2tp_test_main_t;
+
+l2tp_test_main_t l2tp_test_main;
+
+#define __plugin_msg_base l2tp_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* Macro to finish up custom dump fns */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define FINISH                                  \
+    vec_add1 (s, 0);                            \
+    vl_print (handle, (char *)s);               \
+    vec_free (s);                               \
+    return handle;
+
+static void vl_api_l2tpv3_create_tunnel_reply_t_handler
+  (vl_api_l2tpv3_create_tunnel_reply_t * mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+  if (vam->async_mode)
+    {
+      vam->async_errors += (retval < 0);
+    }
+  else
+    {
+      vam->retval = retval;
+      vam->sw_if_index = ntohl (mp->sw_if_index);
+      vam->result_ready = 1;
+    }
+}
+
+static int
+api_l2tpv3_create_tunnel (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  ip6_address_t client_address, our_address;
+  int client_address_set = 0;
+  int our_address_set = 0;
+  u32 local_session_id = 0;
+  u32 remote_session_id = 0;
+  u64 local_cookie = 0;
+  u64 remote_cookie = 0;
+  u8 l2_sublayer_present = 0;
+  vl_api_l2tpv3_create_tunnel_t *mp;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "client_address %U", unformat_ip6_address,
+		    &client_address))
+	client_address_set = 1;
+      else if (unformat (i, "our_address %U", unformat_ip6_address,
+			 &our_address))
+	our_address_set = 1;
+      else if (unformat (i, "local_session_id %d", &local_session_id))
+	;
+      else if (unformat (i, "remote_session_id %d", &remote_session_id))
+	;
+      else if (unformat (i, "local_cookie %lld", &local_cookie))
+	;
+      else if (unformat (i, "remote_cookie %lld", &remote_cookie))
+	;
+      else if (unformat (i, "l2-sublayer-present"))
+	l2_sublayer_present = 1;
+      else
+	break;
+    }
+
+  if (client_address_set == 0)
+    {
+      errmsg ("client_address required");
+      return -99;
+    }
+
+  if (our_address_set == 0)
+    {
+      errmsg ("our_address required");
+      return -99;
+    }
+
+  M (L2TPV3_CREATE_TUNNEL, mp);
+
+  clib_memcpy (mp->client_address.un.ip6, client_address.as_u8,
+	       sizeof (ip6_address_t));
+
+  clib_memcpy (mp->our_address.un.ip6, our_address.as_u8,
+	       sizeof (ip6_address_t));
+
+  mp->local_session_id = ntohl (local_session_id);
+  mp->remote_session_id = ntohl (remote_session_id);
+  mp->local_cookie = clib_host_to_net_u64 (local_cookie);
+  mp->remote_cookie = clib_host_to_net_u64 (remote_cookie);
+  mp->l2_sublayer_present = l2_sublayer_present;
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static int
+api_l2tpv3_set_tunnel_cookies (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  u32 sw_if_index;
+  u8 sw_if_index_set = 0;
+  u64 new_local_cookie = 0;
+  u64 new_remote_cookie = 0;
+  vl_api_l2tpv3_set_tunnel_cookies_t *mp;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+	sw_if_index_set = 1;
+      else if (unformat (i, "sw_if_index %d", &sw_if_index))
+	sw_if_index_set = 1;
+      else if (unformat (i, "new_local_cookie %lld", &new_local_cookie))
+	;
+      else if (unformat (i, "new_remote_cookie %lld", &new_remote_cookie))
+	;
+      else
+	break;
+    }
+
+  if (sw_if_index_set == 0)
+    {
+      errmsg ("missing interface name or sw_if_index");
+      return -99;
+    }
+
+  M (L2TPV3_SET_TUNNEL_COOKIES, mp);
+
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->new_local_cookie = clib_host_to_net_u64 (new_local_cookie);
+  mp->new_remote_cookie = clib_host_to_net_u64 (new_remote_cookie);
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static int
+api_l2tpv3_interface_enable_disable (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_l2tpv3_interface_enable_disable_t *mp;
+  u32 sw_if_index;
+  u8 sw_if_index_set = 0;
+  u8 enable_disable = 1;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+	sw_if_index_set = 1;
+      else if (unformat (i, "sw_if_index %d", &sw_if_index))
+	sw_if_index_set = 1;
+      else if (unformat (i, "enable"))
+	enable_disable = 1;
+      else if (unformat (i, "disable"))
+	enable_disable = 0;
+      else
+	break;
+    }
+
+  if (sw_if_index_set == 0)
+    {
+      errmsg ("missing interface name or sw_if_index");
+      return -99;
+    }
+
+  M (L2TPV3_INTERFACE_ENABLE_DISABLE, mp);
+
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->enable_disable = enable_disable;
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static int
+api_l2tpv3_set_lookup_key (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_l2tpv3_set_lookup_key_t *mp;
+  u8 key = ~0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "lookup_v6_src"))
+	key = L2T_LOOKUP_SRC_ADDRESS;
+      else if (unformat (i, "lookup_v6_dst"))
+	key = L2T_LOOKUP_DST_ADDRESS;
+      else if (unformat (i, "lookup_session_id"))
+	key = L2T_LOOKUP_SESSION_ID;
+      else
+	break;
+    }
+
+  if (key == (u8) ~ 0)
+    {
+      errmsg ("l2tp session lookup key unset");
+      return -99;
+    }
+
+  M (L2TPV3_SET_LOOKUP_KEY, mp);
+
+  mp->key = key;
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static void vl_api_sw_if_l2tpv3_tunnel_details_t_handler
+  (vl_api_sw_if_l2tpv3_tunnel_details_t * mp)
+{
+  vat_main_t *vam = &vat_main;
+
+  print (vam->ofp, "* %U (our) %U (client) (sw_if_index %d)",
+	 format_ip6_address, mp->our_address,
+	 format_ip6_address, mp->client_address,
+	 clib_net_to_host_u32 (mp->sw_if_index));
+
+  print (vam->ofp,
+	 "   local cookies %016llx %016llx remote cookie %016llx",
+	 clib_net_to_host_u64 (mp->local_cookie[0]),
+	 clib_net_to_host_u64 (mp->local_cookie[1]),
+	 clib_net_to_host_u64 (mp->remote_cookie));
+
+  print (vam->ofp, "   local session-id %d remote session-id %d",
+	 clib_net_to_host_u32 (mp->local_session_id),
+	 clib_net_to_host_u32 (mp->remote_session_id));
+
+  print (vam->ofp, "   l2 specific sublayer %s\n",
+	 mp->l2_sublayer_present ? "preset" : "absent");
+
+}
+
+static int
+api_sw_if_l2tpv3_tunnel_dump (vat_main_t * vam)
+{
+  vl_api_sw_if_l2tpv3_tunnel_dump_t *mp;
+  vl_api_control_ping_t *mp_ping;
+  int ret;
+
+  /* Get list of l2tpv3-tunnel interfaces */
+  M (SW_IF_L2TPV3_TUNNEL_DUMP, mp);
+  S (mp);
+
+  /* Use a control ping for synchronization */
+  if (!l2tp_test_main.ping_id)
+    l2tp_test_main.ping_id =
+      vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC));
+  mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
+  mp_ping->_vl_msg_id = htons (l2tp_test_main.ping_id);
+  mp_ping->client_index = vam->my_client_index;
+
+  fformat (vam->ofp, "Sending ping id=%d\n", l2tp_test_main.ping_id);
+
+  vam->result_ready = 0;
+  S (mp_ping);
+
+  W (ret);
+  return ret;
+}
+
+#include <l2tp/l2tp.api_test.c>
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */