summaryrefslogtreecommitdiffstats
path: root/test/test_ip4_vrf_multi_instance.py
AgeCommit message (Expand)AuthorFilesLines
2017-03-03Changing the IP table for an interface is an error if the interface already h...Neale Ranns1-0/+1
2017-03-02Remove the unused VRF ID parameter from the IP neighbour Add/Del APINeale Ranns1-1/+1
2017-01-27ipv4 vrf test doc cleaningJan Gelety1-6/+6
2017-01-11make test: improve documentation and PEP8 complianceKlement Sekera1-5/+6
2017-01-11test: ip4 vrf instances multi-context test (CSIT-492)Jan1-0/+410
ref='#n132'>132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283
/*
 *------------------------------------------------------------------
 * tap_api.c - vnet tap device driver API support
 *
 * 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.
 *------------------------------------------------------------------
 */

#include <vnet/vnet.h>
#include <vlibmemory/api.h>

#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip.h>
#include <vnet/unix/tuntap.h>
#include <vnet/unix/tapcli.h>

#include <vnet/vnet_msg_enum.h>

#define vl_typedefs		/* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs

#define vl_endianfun		/* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun

/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun

#include <vlibapi/api_helper_macros.h>

#define foreach_tap_api_msg                     \
_(TAP_CONNECT, tap_connect)                     \
_(TAP_MODIFY, tap_modify)                       \
_(TAP_DELETE, tap_delete)                       \
_(SW_INTERFACE_TAP_DUMP, sw_interface_tap_dump)

#define vl_msg_name_crc_list
#include <vnet/unix/tap.api.h>
#undef vl_msg_name_crc_list

/*
 * WARNING: replicated pending api refactor completion
 */
static void
send_sw_interface_event_deleted (vpe_api_main_t * am,
				 vl_api_registration_t * reg, u32 sw_if_index)
{
  vl_api_sw_interface_event_t *mp;

  mp = vl_msg_api_alloc (sizeof (*mp));
  clib_memset (mp, 0, sizeof (*mp));
  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
  mp->sw_if_index = ntohl (sw_if_index);

  mp->admin_up_down = 0;
  mp->link_up_down = 0;
  mp->deleted = 1;
  vl_api_send_msg (reg, (u8 *) mp);
}

static void
vl_api_tap_connect_t_handler (vl_api_tap_connect_t * mp)
{
  vlib_main_t *vm = vlib_get_main ();
  int rv;
  vl_api_tap_connect_reply_t *rmp;
  vnet_main_t *vnm = vnet_get_main ();
  vl_api_registration_t *reg;
  u32 sw_if_index = (u32) ~ 0;
  u8 *tag;
  vnet_tap_connect_args_t _a, *ap = &_a;

  clib_memset (ap, 0, sizeof (*ap));

  ap->intfc_name = mp->tap_name;
  if (!mp->use_random_mac)
    ap->hwaddr_arg = mp->mac_address;
  ap->renumber = mp->renumber;
  ap->sw_if_indexp = &sw_if_index;
  ap->custom_dev_instance = ntohl (mp->custom_dev_instance);
  if (mp->ip4_address_set)
    {
      ap->ip4_address = (ip4_address_t *) mp->ip4_address;
      ap->ip4_mask_width = mp->ip4_mask_width;
      ap->ip4_address_set = 1;
    }
  if (mp->ip6_address_set)
    {
      ap->ip6_address = (ip6_address_t *) mp->ip6_address;
      ap->ip6_mask_width = mp->ip6_mask_width;
      ap->ip6_address_set = 1;
    }

  rv = vnet_tap_connect_renumber (vm, ap);

  /* Add tag if supplied */
  if (rv == 0 && mp->tag[0])
    {
      mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
      tag = format (0, "%s%c", mp->tag, 0);
      vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
    }

  reg = vl_api_client_index_to_registration (mp->client_index);
  if (!reg)
    return;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (VL_API_TAP_CONNECT_REPLY);
  rmp->context = mp->context;
  rmp->retval = ntohl (rv);
  rmp->sw_if_index = ntohl (sw_if_index);

  vl_api_send_msg (reg, (u8 *) rmp);
}

static void
vl_api_tap_modify_t_handler (vl_api_tap_modify_t * mp)
{
  int rv;
  vl_api_tap_modify_reply_t *rmp;
  vl_api_registration_t *reg;
  u32 sw_if_index = (u32) ~ 0;
  vlib_main_t *vm = vlib_get_main ();
  vnet_tap_connect_args_t _a, *ap = &_a;

  clib_memset (ap, 0, sizeof (*ap));

  ap->orig_sw_if_index = ntohl (mp->sw_if_index);
  ap->intfc_name = mp->tap_name;
  if (!mp->use_random_mac)
    ap->hwaddr_arg = mp->mac_address;
  ap->sw_if_indexp = &sw_if_index;
  ap->renumber = mp->renumber;
  ap->custom_dev_instance = ntohl (mp->custom_dev_instance);

  rv = vnet_tap_modify (vm, ap);

  reg = vl_api_client_index_to_registration (mp->client_index);
  if (!reg)
    return;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (VL_API_TAP_MODIFY_REPLY);
  rmp->context = mp->context;
  rmp->retval = ntohl (rv);
  rmp->sw_if_index = ntohl (sw_if_index);

  vl_api_send_msg (reg, (u8 *) rmp);
}

static void
vl_api_tap_delete_t_handler (vl_api_tap_delete_t * mp)
{
  vlib_main_t *vm = vlib_get_main ();
  int rv;
  vpe_api_main_t *vam = &vpe_api_main;
  vl_api_tap_delete_reply_t *rmp;
  vl_api_registration_t *reg;
  u32 sw_if_index = ntohl (mp->sw_if_index);

  rv = vnet_tap_delete (vm, sw_if_index);
  if (!rv)
    {
      vnet_main_t *vnm = vnet_get_main ();
      vnet_clear_sw_interface_tag (vnm, sw_if_index);
    }

  reg = vl_api_client_index_to_registration (mp->client_index);
  if (!reg)
    return;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (VL_API_TAP_DELETE_REPLY);
  rmp->context = mp->context;
  rmp->retval = ntohl (rv);

  vl_api_send_msg (reg, (u8 *) rmp);

  if (!rv)
    send_sw_interface_event_deleted (vam, reg, sw_if_index);
}

static void
send_sw_interface_tap_details (vpe_api_main_t * am,
			       vl_api_registration_t * reg,
			       tapcli_interface_details_t * tap_if,
			       u32 context)
{
  vl_api_sw_interface_tap_details_t *mp;
  mp = vl_msg_api_alloc (sizeof (*mp));
  clib_memset (mp, 0, sizeof (*mp));
  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_TAP_DETAILS);
  mp->sw_if_index = ntohl (tap_if->sw_if_index);
  strncpy ((char *) mp->dev_name,
	   (char *) tap_if->dev_name, ARRAY_LEN (mp->dev_name) - 1);
  mp->context = context;

  vl_api_send_msg (reg, (u8 *) mp);
}

static void
vl_api_sw_interface_tap_dump_t_handler (vl_api_sw_interface_tap_dump_t * mp)
{
  int rv = 0;
  vpe_api_main_t *am = &vpe_api_main;
  vl_api_registration_t *reg;
  tapcli_interface_details_t *tapifs = NULL;
  tapcli_interface_details_t *tap_if = NULL;

  reg = vl_api_client_index_to_registration (mp->client_index);
  if (!reg)
    return;

  rv = vnet_tap_dump_ifs (&tapifs);
  if (rv)
    return;

  vec_foreach (tap_if, tapifs)
  {
    send_sw_interface_tap_details (am, reg, tap_if, mp->context);
  }

  vec_free (tapifs);
}

static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
  foreach_vl_msg_name_crc_tap;
#undef _
}

static clib_error_t *
tap_api_hookup (vlib_main_t * vm)
{
  api_main_t *am = &api_main;

#define _(N,n)                                                  \
    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
                           vl_api_##n##_t_handler,              \
                           vl_noop_handler,                     \
                           vl_api_##n##_t_endian,               \
                           vl_api_##n##_t_print,                \
                           sizeof(vl_api_##n##_t), 1);
  foreach_tap_api_msg;
#undef _

  /*
   * Set up the (msg_name, crc, message-id) table
   */
  setup_message_id_table (am);

  return 0;
}

VLIB_API_INIT_FUNCTION (tap_api_hookup);

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */