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authorahdj007 <dong.juan1@zte.com.cn>2018-03-06 15:46:54 +0800
committerDamjan Marion <dmarion.lists@gmail.com>2018-03-06 15:17:59 +0000
commit9f06d0eccf06b82b42cc55f02c37cbed9e1aab83 (patch)
treeecc6c9fce894ec882d46184ac1a3b543ab9addca /src/plugins/nat/nat_reass.c
parentb5eb3b185fb04bfed3ba6c89323cd82e7d666bae (diff)
reass frag_n should to be inited to 0
Change-Id: I8a4a7a85e86acbfe411e6dfa22e3976d7d4c903b Signed-off-by: ahdj007 <dong.juan1@zte.com.cn>
Diffstat (limited to 'src/plugins/nat/nat_reass.c')
-rwxr-xr-x[-rw-r--r--]src/plugins/nat/nat_reass.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/nat/nat_reass.c b/src/plugins/nat/nat_reass.c
index 0a3660d9200..50bfced2b45 100644..100755
--- a/src/plugins/nat/nat_reass.c
+++ b/src/plugins/nat/nat_reass.c
@@ -306,6 +306,7 @@ nat_ip4_reass_find_or_create (ip4_address_t src, ip4_address_t dst,
reass->sess_index = (u32) ~ 0;
reass->thread_index = (u32) ~ 0;
reass->last_heard = now;
+ reass->frag_n = 0;
if (clib_bihash_add_del_16_8 (&srm->ip4_reass_hash, &kv, 1))
{
#n181'>181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 
/*
 *------------------------------------------------------------------
 * sr_api.c - ipv6 segment routing api
 *
 * 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 <vnet/srv6/sr.h>
#include <vlibmemory/api.h>

#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/feature/feature.h>
#include <vnet/fib/fib_table.h>
#include <vnet/ip/ip_types_api.h>

#include <vnet/format_fns.h>
#include <vnet/srv6/sr.api_enum.h>
#include <vnet/srv6/sr.api_types.h>

#define REPLY_MSG_ID_BASE sr_main.msg_id_base
#include <vlibapi/api_helper_macros.h>

static void vl_api_sr_localsid_add_del_t_handler
  (vl_api_sr_localsid_add_del_t * mp)
{
  vl_api_sr_localsid_add_del_reply_t *rmp;
  int rv = 0;
  ip46_address_t prefix;
  ip6_address_t localsid;
/*
 * int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
 *  char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
 *  ip46_address_t *nh_addr, void *ls_plugin_mem)
 */
  if (mp->behavior == SR_BEHAVIOR_X ||
      mp->behavior == SR_BEHAVIOR_DX6 ||
      mp->behavior == SR_BEHAVIOR_DX4 || mp->behavior == SR_BEHAVIOR_DX2)
    VALIDATE_SW_IF_INDEX (mp);

  ip6_address_decode (mp->localsid, &localsid);
  ip_address_decode (&mp->nh_addr, &prefix);

  rv = sr_cli_localsid (mp->is_del,
			&localsid, 128,
			mp->end_psp,
			mp->behavior,
			ntohl (mp->sw_if_index),
			ntohl (mp->vlan_index),
			ntohl (mp->fib_table), &prefix, 0, NULL);

  BAD_SW_IF_INDEX_LABEL;
  REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY);
}

static void
vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
{
  vl_api_sr_policy_add_reply_t *rmp;
  ip6_address_t *segments = 0, *seg;
  ip6_address_t bsid_addr;

  int i;
  for (i = 0; i < mp->sids.num_sids; i++)
    {
      vec_add2 (segments, seg, 1);
      ip6_address_decode (mp->sids.sids[i], seg);
    }

  ip6_address_decode (mp->bsid_addr, &bsid_addr);

/*
 * sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
 *                u32 weight, u8 behavior, u32 fib_table, u8 is_encap,
 *                u16 behavior, void *plugin_mem)
 */
  int rv = 0;
  rv = sr_policy_add (&bsid_addr,
		      segments,
		      ntohl (mp->sids.weight),
		      mp->is_spray, ntohl (mp->fib_table), mp->is_encap, 0,
		      NULL);
  vec_free (segments);

  REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
}

static void
vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
{
  vl_api_sr_policy_mod_reply_t *rmp;
  ip6_address_t *segments = 0, *seg;
  ip6_address_t bsid_addr;

  int i;
  for (i = 0; i < mp->sids.num_sids; i++)
    {
      vec_add2 (segments, seg, 1);
      ip6_address_decode (mp->sids.sids[i], seg);
    }

  ip6_address_decode (mp->bsid_addr, &bsid_addr);

  int rv = 0;
/*
 * int
 * sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
 *               u8 operation, ip6_address_t *segments, u32 sl_index,
 *               u32 weight, u8 is_encap)
 */
  rv = sr_policy_mod (&bsid_addr,
		      ntohl (mp->sr_policy_index),
		      ntohl (mp->fib_table),
		      mp->operation,
		      segments, ntohl (mp->sl_index),
		      ntohl (mp->sids.weight));
  vec_free (segments);

  REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
}

static void
vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
{
  vl_api_sr_policy_del_reply_t *rmp;
  int rv = 0;
  ip6_address_t bsid_addr;
/*
 * int
 * sr_policy_del (ip6_address_t *bsid, u32 index)
 */
  ip6_address_decode (mp->bsid_addr, &bsid_addr);
  rv = sr_policy_del (&bsid_addr, ntohl (mp->sr_policy_index));

  REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
}

static void
vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp)
{
  vl_api_sr_set_encap_source_reply_t *rmp;
  int rv = 0;
  ip6_address_t encaps_source;

  ip6_address_decode (mp->encaps_source, &encaps_source);
  sr_set_source (&encaps_source);

  REPLY_MACRO (VL_API_SR_SET_ENCAP_SOURCE_REPLY);
}

static void
vl_api_sr_set_encap_hop_limit_t_handler (vl_api_sr_set_encap_hop_limit_t * mp)
{
  vl_api_sr_set_encap_hop_limit_reply_t *rmp;
  int rv = 0;

  if (mp->hop_limit == 0)
    rv = VNET_API_ERROR_INVALID_VALUE;
  else
    sr_set_hop_limit (mp->hop_limit);

  REPLY_MACRO (VL_API_SR_SET_ENCAP_HOP_LIMIT_REPLY);
}

static void vl_api_sr_steering_add_del_t_handler
  (vl_api_sr_steering_add_del_t * mp)
{
  vl_api_sr_steering_add_del_reply_t *rmp;
  int rv = 0;
  ip6_address_t bsid_addr;
  ip46_address_t prefix_addr;
/*
 * int
 * sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
 *  u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
 *  u8 traffic_type)
 */

  ip6_address_decode (mp->bsid_addr, &bsid_addr);
  ip_address_decode (&mp->prefix.address, &prefix_addr);

  if (mp->traffic_type == SR_STEER_L2)
    VALIDATE_SW_IF_INDEX (mp);

  rv = sr_steering_policy (mp->is_del,
			   &bsid_addr,
			   ntohl (mp->sr_policy_index),
			   ntohl (mp->table_id),
			   &prefix_addr,
			   mp->prefix.len,
			   ntohl (mp->sw_if_index), mp->traffic_type);

  BAD_SW_IF_INDEX_LABEL;
  REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY);
}

static void send_sr_localsid_details
  (ip6_sr_localsid_t * t, vl_api_registration_t * reg, u32 context)
{
  vl_api_sr_localsids_details_t *rmp;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  clib_memset (rmp, 0, sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_LOCALSIDS_DETAILS);
  ip6_address_encode (&t->localsid, rmp->addr);
  rmp->end_psp = t->end_psp;
  rmp->behavior = htons (t->behavior);
  rmp->fib_table = htonl (t->fib_table);
  rmp->vlan_index = htonl (t->vlan_index);
  ip_address_encode (&t->next_hop, IP46_TYPE_ANY, &rmp->xconnect_nh_addr);

  if (t->behavior == SR_BEHAVIOR_T || t->behavior == SR_BEHAVIOR_DT6)
    rmp->xconnect_iface_or_vrf_table =
      htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP6));
  else if (t->behavior == SR_BEHAVIOR_DT4)
    rmp->xconnect_iface_or_vrf_table =
      htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP4));
  else
    rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index);

  rmp->context = context;

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

static void vl_api_sr_localsids_dump_t_handler
  (vl_api_sr_localsids_dump_t * mp)
{
  vl_api_registration_t *reg;
  ip6_sr_main_t *sm = &sr_main;
  ip6_sr_localsid_t *t;

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

  /* *INDENT-OFF* */
  pool_foreach (t, sm->localsids)
   {
    send_sr_localsid_details(t, reg, mp->context);
  }
  /* *INDENT-ON* */
}

static void send_sr_policies_details
  (ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
{
  vl_api_sr_policies_details_t *rmp;
  ip6_sr_main_t *sm = &sr_main;

  u32 *sl_index, slidx = 0;
  ip6_sr_sl_t *segment_list = 0;
  ip6_address_t *segment;
  vl_api_srv6_sid_list_t *api_sid_list;

  rmp = vl_msg_api_alloc (sizeof (*rmp) +
			  vec_len (t->segments_lists) *
			  sizeof (vl_api_srv6_sid_list_t));
  clib_memset (rmp, 0,
	       (sizeof (*rmp) +
		vec_len (t->segments_lists) *
		sizeof (vl_api_srv6_sid_list_t)));

  rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_DETAILS);
  ip6_address_encode (&t->bsid, rmp->bsid);
  rmp->is_encap = t->is_encap;
  rmp->is_spray = t->type;
  rmp->fib_table = htonl (t->fib_table);
  rmp->num_sid_lists = vec_len (t->segments_lists);

  /* Fill in all the segments lists */
  vec_foreach (sl_index, t->segments_lists)
  {
    segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);

    api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];

    api_sid_list->num_sids = vec_len (segment_list->segments);
    api_sid_list->weight = htonl (segment_list->weight);
    slidx = 0;
    vec_foreach (segment, segment_list->segments)
    {
      ip6_address_encode (segment, api_sid_list->sids[slidx++]);
    }
  }

  rmp->context = context;
  vl_api_send_msg (reg, (u8 *) rmp);
}

static void
vl_api_sr_policies_dump_t_handler (vl_api_sr_policies_dump_t * mp)
{
  vl_api_registration_t *reg;
  ip6_sr_main_t *sm = &sr_main;
  ip6_sr_policy_t *t;

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

  /* *INDENT-OFF* */
  pool_foreach (t, sm->sr_policies)
   {
    send_sr_policies_details(t, reg, mp->context);
  }
  /* *INDENT-ON* */
}



static void send_sr_policies_details_with_sl_index
  (ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
{
  vl_api_sr_policies_with_sl_index_details_t *rmp;
  ip6_sr_main_t *sm = &sr_main;

  u32 *sl_index, slidx = 0;
  ip6_sr_sl_t *segment_list = 0;
  ip6_address_t *segment;
  vl_api_srv6_sid_list_with_sl_index_t *api_sid_list;

  rmp = vl_msg_api_alloc (sizeof (*rmp) +
			  vec_len (t->segments_lists) *
			  sizeof (vl_api_srv6_sid_list_with_sl_index_t));
  clib_memset (rmp, 0,
	       (sizeof (*rmp) +
		vec_len (t->segments_lists) *
		sizeof (vl_api_srv6_sid_list_with_sl_index_t)));

  rmp->_vl_msg_id =
    ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_WITH_SL_INDEX_DETAILS);
  ip6_address_encode (&t->bsid, rmp->bsid);
  rmp->is_encap = t->is_encap;
  rmp->is_spray = t->type;
  rmp->fib_table = htonl (t->fib_table);
  rmp->num_sid_lists = vec_len (t->segments_lists);

  /* Fill in all the segments lists */
  vec_foreach (sl_index, t->segments_lists)
  {
    segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);

    api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
    api_sid_list->sl_index = htonl (*sl_index);
    api_sid_list->num_sids = vec_len (segment_list->segments);
    api_sid_list->weight = htonl (segment_list->weight);
    slidx = 0;
    vec_foreach (segment, segment_list->segments)
    {
      ip6_address_encode (segment, api_sid_list->sids[slidx++]);
    }
  }

  rmp->context = context;
  vl_api_send_msg (reg, (u8 *) rmp);
}

static void
  vl_api_sr_policies_with_sl_index_dump_t_handler
  (vl_api_sr_policies_with_sl_index_dump_t * mp)
{
  vl_api_registration_t *reg;
  ip6_sr_main_t *sm = &sr_main;
  ip6_sr_policy_t *t;

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

  /* *INDENT-OFF* */
  pool_foreach (t, sm->sr_policies)
   {
    send_sr_policies_details_with_sl_index(t, reg, mp->context);
  }
  /* *INDENT-ON* */
}

static void send_sr_steering_pol_details
  (ip6_sr_steering_policy_t * t, vl_api_registration_t * reg, u32 context)
{
  vl_api_sr_steering_pol_details_t *rmp;
  ip6_sr_main_t *sm = &sr_main;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  clib_memset (rmp, 0, sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_STEERING_POL_DETAILS);

  //Get the SR policy BSID
  ip6_sr_policy_t *p;
  p = pool_elt_at_index (sm->sr_policies, t->sr_policy);
  ip6_address_encode (&p->bsid, rmp->bsid);

  //Get the steering
  rmp->traffic_type = t->classify.traffic_type;
  rmp->fib_table = htonl (t->classify.l3.fib_table);
  ip_address_encode (&t->classify.l3.prefix, IP46_TYPE_ANY,
		     &rmp->prefix.address);
  rmp->prefix.len = t->classify.l3.mask_width;

  rmp->sw_if_index = htonl (t->classify.l2.sw_if_index);

  rmp->context = context;
  vl_api_send_msg (reg, (u8 *) rmp);
}

static void vl_api_sr_steering_pol_dump_t_handler
  (vl_api_sr_policies_dump_t * mp)
{
  vl_api_registration_t *reg;
  ip6_sr_main_t *sm = &sr_main;
  ip6_sr_steering_policy_t *t;

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

  /* *INDENT-OFF* */
  pool_foreach (t, sm->steer_policies)
   {
    send_sr_steering_pol_details(t, reg, mp->context);
  }
  /* *INDENT-ON* */
}

#include <vnet/srv6/sr.api.c>
static clib_error_t *
sr_api_hookup (vlib_main_t * vm)
{
  /*
   * Set up the (msg_name, crc, message-id) table
   */
  REPLY_MSG_ID_BASE = setup_message_id_table ();

  return 0;
}

VLIB_API_INIT_FUNCTION (sr_api_hookup);

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