2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/ipsec/ipsec.h>
20 * Policy packet & bytes counters
22 vlib_combined_counter_main_t ipsec_spd_policy_counters = {
24 .stat_segment_name = "/net/ipsec/policy",
28 ipsec_spd_entry_sort (void *a1, void *a2)
30 ipsec_main_t *im = &ipsec_main;
33 ipsec_policy_t *p1, *p2;
35 p1 = pool_elt_at_index (im->policies, *id1);
36 p2 = pool_elt_at_index (im->policies, *id2);
38 return p2->priority - p1->priority;
44 ipsec_policy_mk_type (bool is_outbound,
46 ipsec_policy_action_t action,
47 ipsec_spd_policy_type_t * type)
52 IPSEC_SPD_POLICY_IP6_OUTBOUND : IPSEC_SPD_POLICY_IP4_OUTBOUND);
59 case IPSEC_POLICY_ACTION_PROTECT:
61 IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT :
62 IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT);
64 case IPSEC_POLICY_ACTION_BYPASS:
66 IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS :
67 IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS);
69 case IPSEC_POLICY_ACTION_DISCARD:
71 IPSEC_SPD_POLICY_IP6_INBOUND_DISCARD :
72 IPSEC_SPD_POLICY_IP4_INBOUND_DISCARD);
74 case IPSEC_POLICY_ACTION_RESOLVE:
79 /* Unsupported type */
84 ipsec_add_del_policy (vlib_main_t * vm,
85 ipsec_policy_t * policy, int is_add, u32 * stat_index)
87 ipsec_main_t *im = &ipsec_main;
93 p = hash_get (im->spd_index_by_spd_id, policy->id);
96 return VNET_API_ERROR_SYSCALL_ERROR_1;
99 spd = pool_elt_at_index (im->spds, spd_index);
101 return VNET_API_ERROR_SYSCALL_ERROR_1;
103 if (im->output_flow_cache_flag && !policy->is_ipv6 &&
104 policy->type == IPSEC_SPD_POLICY_IP4_OUTBOUND)
107 * Flow cache entry is valid only when epoch_count value in control
108 * plane and data plane match. Otherwise, flow cache entry is considered
109 * stale. To avoid the race condition of using old epoch_count value
110 * in data plane after the roll over of epoch_count in control plane,
111 * entire flow cache is reset.
113 if (im->epoch_count == 0xFFFFFFFF)
115 /* Reset all the entries in flow cache */
116 clib_memset_u8 (im->ipsec4_out_spd_hash_tbl, 0,
117 im->ipsec4_out_spd_hash_num_buckets *
118 (sizeof (*(im->ipsec4_out_spd_hash_tbl))));
120 /* Increment epoch counter by 1 */
121 clib_atomic_fetch_add_relax (&im->epoch_count, 1);
122 /* Reset spd flow cache counter since all old entries are stale */
123 clib_atomic_store_relax_n (&im->ipsec4_out_spd_flow_cache_entries, 0);
126 if ((policy->type == IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT ||
127 policy->type == IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS ||
128 policy->type == IPSEC_SPD_POLICY_IP4_INBOUND_DISCARD) &&
129 im->input_flow_cache_flag && !policy->is_ipv6)
132 * Flow cache entry is valid only when input_epoch_count value in control
133 * plane and data plane match. Otherwise, flow cache entry is considered
134 * stale. To avoid the race condition of using old input_epoch_count
135 * value in data plane after the roll over of input_epoch_count in
136 * control plane, entire flow cache is reset.
138 if (im->input_epoch_count == 0xFFFFFFFF)
140 /* Reset all the entries in flow cache */
141 clib_memset_u8 (im->ipsec4_in_spd_hash_tbl, 0,
142 im->ipsec4_in_spd_hash_num_buckets *
143 (sizeof (*(im->ipsec4_in_spd_hash_tbl))));
145 /* Increment epoch counter by 1 */
146 clib_atomic_fetch_add_relax (&im->input_epoch_count, 1);
147 /* Reset spd flow cache counter since all old entries are stale */
148 im->ipsec4_in_spd_flow_cache_entries = 0;
155 if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
157 index_t sa_index = ipsec_sa_find_and_lock (policy->sa_id);
159 if (INDEX_INVALID == sa_index)
160 return VNET_API_ERROR_SYSCALL_ERROR_1;
161 policy->sa_index = sa_index;
164 policy->sa_index = INDEX_INVALID;
167 * Try adding the policy into fast path SPD first. Only adding to
168 * traditional SPD when failed.
170 if ((im->ipv4_fp_spd_is_enabled &&
171 policy->type == IPSEC_SPD_POLICY_IP4_OUTBOUND) ||
172 (im->ipv6_fp_spd_is_enabled &&
173 policy->type == IPSEC_SPD_POLICY_IP6_OUTBOUND))
174 return ipsec_fp_add_del_policy ((void *) &spd->fp_spd, policy, 1,
177 pool_get (im->policies, vp);
178 clib_memcpy (vp, policy, sizeof (*vp));
179 policy_index = vp - im->policies;
181 vlib_validate_combined_counter (&ipsec_spd_policy_counters,
183 vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index);
184 vec_add1 (spd->policies[policy->type], policy_index);
185 vec_sort_with_function (spd->policies[policy->type],
186 ipsec_spd_entry_sort);
187 *stat_index = policy_index;
194 * Try to delete the policy from the fast path SPD first. Delete from
195 * traditional SPD when fp delete fails.
198 if ((im->ipv4_fp_spd_is_enabled &&
199 policy->type == IPSEC_SPD_POLICY_IP4_OUTBOUND) ||
200 (im->ipv6_fp_spd_is_enabled &&
201 policy->type == IPSEC_SPD_POLICY_IP6_OUTBOUND))
202 return ipsec_fp_add_del_policy ((void *) &spd->fp_spd, policy, 0,
205 vec_foreach_index (ii, (spd->policies[policy->type]))
207 vp = pool_elt_at_index (im->policies,
208 spd->policies[policy->type][ii]);
209 if (ipsec_policy_is_equal (vp, policy))
211 vec_delete (spd->policies[policy->type], 1, ii);
212 ipsec_sa_unlock (vp->sa_index);
213 pool_put (im->policies, vp);
222 static_always_inline void
223 release_mask_type_index (ipsec_main_t *im, u32 mask_type_index)
225 ipsec_fp_mask_type_entry_t *mte =
226 pool_elt_at_index (im->fp_mask_types, mask_type_index);
228 if (mte->refcount == 0)
230 /* this entry is not in use anymore */
231 ASSERT (clib_memset (mte, 0xae, sizeof (*mte)) == EOK);
232 pool_put (im->fp_mask_types, mte);
236 static_always_inline u32
237 find_mask_type_index (ipsec_main_t *im, ipsec_fp_5tuple_t *mask)
239 ipsec_fp_mask_type_entry_t *mte;
241 pool_foreach (mte, im->fp_mask_types)
243 if (memcmp (&mte->mask, mask, sizeof (*mask)) == 0)
244 return (mte - im->fp_mask_types);
250 static_always_inline void
251 fill_ip6_hash_policy_kv (ipsec_fp_5tuple_t *match, ipsec_fp_5tuple_t *mask,
252 clib_bihash_kv_40_8_t *kv)
254 ipsec_fp_lookup_value_t *kv_val = (ipsec_fp_lookup_value_t *) &kv->value;
255 u64 *pmatch = (u64 *) &match->ip6_laddr;
256 u64 *pmask = (u64 *) &mask->ip6_laddr;
257 u64 *pkey = (u64 *) &kv->key;
259 *pkey++ = *pmatch++ & *pmask++;
260 *pkey++ = *pmatch++ & *pmask++;
261 *pkey++ = *pmatch++ & *pmask++;
262 *pkey++ = *pmatch++ & *pmask++;
263 *pkey = *pmatch & *pmask;
268 static_always_inline void
269 fill_ip4_hash_policy_kv (ipsec_fp_5tuple_t *match, ipsec_fp_5tuple_t *mask,
270 clib_bihash_kv_16_8_t *kv)
272 ipsec_fp_lookup_value_t *kv_val = (ipsec_fp_lookup_value_t *) &kv->value;
273 u64 *pmatch = (u64 *) &match->laddr;
274 u64 *pmask = (u64 *) &mask->laddr;
275 u64 *pkey = (u64 *) kv->key;
277 *pkey++ = *pmatch++ & *pmask++;
278 *pkey++ = *pmatch++ & *pmask++;
283 static_always_inline u16
284 get_highest_set_bit_u16 (u16 x)
293 static_always_inline u32
294 get_highest_set_bit_u32 (u32 x)
304 static_always_inline u64
305 mask_out_highest_set_bit_u64 (u64 x)
316 static_always_inline void
317 ipsec_fp_get_policy_ports_mask (ipsec_policy_t *policy,
318 ipsec_fp_5tuple_t *mask)
320 if (PREDICT_TRUE ((policy->protocol == IP_PROTOCOL_TCP) ||
321 (policy->protocol == IP_PROTOCOL_UDP) ||
322 (policy->protocol == IP_PROTOCOL_SCTP)))
324 mask->lport = policy->lport.start ^ policy->lport.stop;
325 mask->rport = policy->rport.start ^ policy->rport.stop;
327 mask->lport = get_highest_set_bit_u16 (mask->lport);
328 mask->lport = ~(mask->lport - 1) & (~mask->lport);
330 mask->rport = get_highest_set_bit_u16 (mask->rport);
331 mask->rport = ~(mask->rport - 1) & (~mask->rport);
339 mask->protocol = (policy->protocol == IPSEC_POLICY_PROTOCOL_ANY) ? 0 : ~0;
342 static_always_inline void
343 ipsec_fp_ip4_get_policy_mask (ipsec_policy_t *policy, ipsec_fp_5tuple_t *mask)
345 u32 *pladdr_start = (u32 *) &policy->laddr.start.ip4;
346 u32 *pladdr_stop = (u32 *) &policy->laddr.stop.ip4;
347 u32 *plmask = (u32 *) &mask->laddr;
348 u32 *praddr_start = (u32 *) &policy->raddr.start.ip4;
349 u32 *praddr_stop = (u32 *) &policy->raddr.stop.ip4;
350 u32 *prmask = (u32 *) &mask->raddr;
352 memset (mask, 0, sizeof (mask->l3_zero_pad));
353 memset (plmask, 0xff, sizeof (*mask) - sizeof (mask->l3_zero_pad));
354 /* find bits where start != stop */
355 *plmask = *pladdr_start ^ *pladdr_stop;
356 *prmask = *praddr_start ^ *praddr_stop;
357 /* Find most significant bit set (that is the first position
358 * start differs from stop). Mask out everything after that bit and
359 * the bit itself. Remember that policy stores start and stop in the net
362 *plmask = get_highest_set_bit_u32 (clib_net_to_host_u32 (*plmask));
363 *plmask = clib_host_to_net_u32 (~(*plmask - 1) & (~*plmask));
365 *prmask = get_highest_set_bit_u32 (clib_net_to_host_u32 (*prmask));
366 *prmask = clib_host_to_net_u32 (~(*prmask - 1) & (~*prmask));
368 if (PREDICT_TRUE ((policy->protocol == IP_PROTOCOL_TCP) ||
369 (policy->protocol == IP_PROTOCOL_UDP) ||
370 (policy->protocol == IP_PROTOCOL_SCTP)))
372 mask->lport = policy->lport.start ^ policy->lport.stop;
373 mask->rport = policy->rport.start ^ policy->rport.stop;
375 mask->lport = get_highest_set_bit_u16 (mask->lport);
376 mask->lport = ~(mask->lport - 1) & (~mask->lport);
378 mask->rport = get_highest_set_bit_u16 (mask->rport);
379 mask->rport = ~(mask->rport - 1) & (~mask->rport);
387 mask->protocol = (policy->protocol == IPSEC_POLICY_PROTOCOL_ANY) ? 0 : ~0;
390 static_always_inline void
391 ipsec_fp_ip6_get_policy_mask (ipsec_policy_t *policy, ipsec_fp_5tuple_t *mask)
393 u64 *pladdr_start = (u64 *) &policy->laddr.start;
394 u64 *pladdr_stop = (u64 *) &policy->laddr.stop;
395 u64 *plmask = (u64 *) &mask->ip6_laddr;
396 u64 *praddr_start = (u64 *) &policy->raddr.start;
397 u64 *praddr_stop = (u64 *) &policy->raddr.stop;
398 u64 *prmask = (u64 *) &mask->ip6_raddr;
400 memset (mask, 0xff, sizeof (ipsec_fp_5tuple_t));
402 *plmask = (*pladdr_start++ ^ *pladdr_stop++);
404 *prmask = (*praddr_start++ ^ *praddr_stop++);
406 /* Find most significant bit set (that is the first position
407 * start differs from stop). Mask out everything after that bit and
408 * the bit itself. Remember that policy stores start and stop in the net
411 *plmask = clib_host_to_net_u64 (
412 mask_out_highest_set_bit_u64 (clib_net_to_host_u64 (*plmask)));
414 if (*plmask++ & clib_host_to_net_u64 (0x1))
416 *plmask = (*pladdr_start ^ *pladdr_stop);
417 *plmask = clib_host_to_net_u64 (
418 mask_out_highest_set_bit_u64 (clib_net_to_host_u64 (*plmask)));
423 *prmask = clib_host_to_net_u64 (
424 mask_out_highest_set_bit_u64 (clib_net_to_host_u64 (*prmask)));
426 if (*prmask++ & clib_host_to_net_u64 (0x1))
428 *prmask = (*pladdr_start ^ *pladdr_stop);
429 *prmask = clib_host_to_net_u64 (
430 mask_out_highest_set_bit_u64 (clib_net_to_host_u64 (*prmask)));
435 ipsec_fp_get_policy_ports_mask (policy, mask);
438 static_always_inline void
439 ipsec_fp_get_policy_5tuple (ipsec_policy_t *policy, ipsec_fp_5tuple_t *tuple)
441 memset (tuple, 0, sizeof (*tuple));
442 tuple->is_ipv6 = policy->is_ipv6;
445 tuple->ip6_laddr = policy->laddr.start.ip6;
446 tuple->ip6_raddr = policy->raddr.start.ip6;
450 tuple->laddr = policy->laddr.start.ip4;
451 tuple->raddr = policy->raddr.start.ip4;
454 tuple->protocol = policy->protocol;
456 tuple->lport = policy->lport.start;
457 tuple->rport = policy->rport.start;
461 ipsec_fp_ip4_add_policy (ipsec_main_t *im, ipsec_spd_fp_t *fp_spd,
462 ipsec_policy_t *policy, u32 *stat_index)
466 ipsec_fp_mask_type_entry_t *mte;
468 clib_bihash_kv_16_8_t kv;
469 clib_bihash_kv_16_8_t result;
470 ipsec_fp_lookup_value_t *result_val =
471 (ipsec_fp_lookup_value_t *) &result.value;
472 ipsec_fp_lookup_value_t *key_val = (ipsec_fp_lookup_value_t *) &kv.value;
474 ipsec_fp_5tuple_t mask, policy_5tuple;
477 ipsec_fp_ip4_get_policy_mask (policy, &mask);
478 pool_get (im->policies, vp);
479 policy_index = vp - im->policies;
480 vlib_validate_combined_counter (&ipsec_spd_policy_counters, policy_index);
481 vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index);
482 *stat_index = policy_index;
483 mask_index = find_mask_type_index (im, &mask);
485 if (mask_index == ~0)
487 /* mask type not found, we need to create a new entry */
488 pool_get (im->fp_mask_types, mte);
489 mask_index = mte - im->fp_mask_types;
493 mte = im->fp_mask_types + mask_index;
495 policy->fp_mask_type_id = mask_index;
496 ipsec_fp_get_policy_5tuple (policy, &policy_5tuple);
498 fill_ip4_hash_policy_kv (&policy_5tuple, &mask, &kv);
500 res = clib_bihash_search_inline_2_16_8 (&fp_spd->fp_ip4_lookup_hash, &kv,
504 /* key was not found crate a new entry */
505 vec_add1 (key_val->fp_policies_ids, policy_index);
506 res = clib_bihash_add_del_16_8 (&fp_spd->fp_ip4_lookup_hash, &kv, 1);
513 if (vec_max_len (result_val->fp_policies_ids) !=
514 vec_len (result_val->fp_policies_ids))
516 /* no need to resize */
517 vec_add1 (result_val->fp_policies_ids, policy_index);
521 vec_add1 (result_val->fp_policies_ids, policy_index);
524 clib_bihash_add_del_16_8 (&fp_spd->fp_ip4_lookup_hash, &result, 1);
531 if (mte->refcount == 0)
533 clib_memcpy (&mte->mask, &mask, sizeof (mask));
535 vec_add1 (fp_spd->fp_mask_types[policy->type], mask_index);
539 vec_add1 (fp_spd->fp_policies[policy->type], policy_index);
540 clib_memcpy (vp, policy, sizeof (*vp));
545 pool_put (im->policies, vp);
546 release_mask_type_index (im, mask_index);
551 ipsec_fp_ip6_add_policy (ipsec_main_t *im, ipsec_spd_fp_t *fp_spd,
552 ipsec_policy_t *policy, u32 *stat_index)
557 ipsec_fp_mask_type_entry_t *mte;
559 clib_bihash_kv_40_8_t kv;
560 clib_bihash_kv_40_8_t result;
561 ipsec_fp_lookup_value_t *result_val =
562 (ipsec_fp_lookup_value_t *) &result.value;
563 ipsec_fp_lookup_value_t *key_val = (ipsec_fp_lookup_value_t *) &kv.value;
565 ipsec_fp_5tuple_t mask, policy_5tuple;
567 ipsec_fp_ip6_get_policy_mask (policy, &mask);
569 pool_get (im->policies, vp);
570 policy_index = vp - im->policies;
571 vlib_validate_combined_counter (&ipsec_spd_policy_counters, policy_index);
572 vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index);
573 *stat_index = policy_index;
574 mask_index = find_mask_type_index (im, &mask);
576 if (mask_index == ~0)
578 /* mask type not found, we need to create a new entry */
579 pool_get (im->fp_mask_types, mte);
580 mask_index = mte - im->fp_mask_types;
584 mte = im->fp_mask_types + mask_index;
586 policy->fp_mask_type_id = mask_index;
587 ipsec_fp_get_policy_5tuple (policy, &policy_5tuple);
589 fill_ip6_hash_policy_kv (&policy_5tuple, &mask, &kv);
591 res = clib_bihash_search_inline_2_40_8 (&fp_spd->fp_ip6_lookup_hash, &kv,
595 /* key was not found crate a new entry */
596 vec_add1 (key_val->fp_policies_ids, policy_index);
597 res = clib_bihash_add_del_40_8 (&fp_spd->fp_ip6_lookup_hash, &kv, 1);
604 if (vec_max_len (result_val->fp_policies_ids) !=
605 vec_len (result_val->fp_policies_ids))
607 /* no need to resize */
608 vec_add1 (result_val->fp_policies_ids, policy_index);
612 vec_add1 (result_val->fp_policies_ids, policy_index);
615 clib_bihash_add_del_40_8 (&fp_spd->fp_ip6_lookup_hash, &result, 1);
622 if (mte->refcount == 0)
624 clib_memcpy (&mte->mask, &mask, sizeof (mask));
626 vec_add1 (fp_spd->fp_mask_types[policy->type], mask_index);
630 vec_add1 (fp_spd->fp_policies[policy->type], policy_index);
631 clib_memcpy (vp, policy, sizeof (*vp));
636 pool_put (im->policies, vp);
637 release_mask_type_index (im, mask_index);
642 ipsec_fp_ip6_del_policy (ipsec_main_t *im, ipsec_spd_fp_t *fp_spd,
643 ipsec_policy_t *policy)
646 ipsec_fp_5tuple_t mask = { 0 }, policy_5tuple;
647 clib_bihash_kv_40_8_t kv;
648 clib_bihash_kv_40_8_t result;
649 ipsec_fp_lookup_value_t *result_val =
650 (ipsec_fp_lookup_value_t *) &result.value;
655 ipsec_fp_ip6_get_policy_mask (policy, &mask);
656 ipsec_fp_get_policy_5tuple (policy, &policy_5tuple);
657 fill_ip6_hash_policy_kv (&policy_5tuple, &mask, &kv);
658 res = clib_bihash_search_inline_2_40_8 (&fp_spd->fp_ip6_lookup_hash, &kv,
664 vec_foreach_index (ii, result_val->fp_policies_ids)
667 pool_elt_at_index (im->policies, *(result_val->fp_policies_ids + ii));
668 if (ipsec_policy_is_equal (vp, policy))
670 vec_foreach_index (iii, fp_spd->fp_policies[policy->type])
672 if (*(fp_spd->fp_policies[policy->type] + iii) ==
673 *(result_val->fp_policies_ids + ii))
675 if (vec_len (result_val->fp_policies_ids) == 1)
677 vec_free (result_val->fp_policies_ids);
678 clib_bihash_add_del_40_8 (&fp_spd->fp_ip6_lookup_hash,
683 vec_del1 (result_val->fp_policies_ids, ii);
685 vec_del1 (fp_spd->fp_policies[policy->type], iii);
687 vec_foreach_index (imt, fp_spd->fp_mask_types[policy->type])
689 if (*(fp_spd->fp_mask_types[policy->type] + imt) ==
692 ipsec_fp_mask_type_entry_t *mte = pool_elt_at_index (
693 im->fp_mask_types, vp->fp_mask_type_id);
695 if (mte->refcount == 1)
696 vec_del1 (fp_spd->fp_mask_types[policy->type],
711 release_mask_type_index (im, vp->fp_mask_type_id);
712 ipsec_sa_unlock (vp->sa_index);
713 pool_put (im->policies, vp);
722 ipsec_fp_ip4_del_policy (ipsec_main_t *im, ipsec_spd_fp_t *fp_spd,
723 ipsec_policy_t *policy)
726 ipsec_fp_5tuple_t mask = { 0 }, policy_5tuple;
727 clib_bihash_kv_16_8_t kv;
728 clib_bihash_kv_16_8_t result;
729 ipsec_fp_lookup_value_t *result_val =
730 (ipsec_fp_lookup_value_t *) &result.value;
735 ipsec_fp_ip4_get_policy_mask (policy, &mask);
736 ipsec_fp_get_policy_5tuple (policy, &policy_5tuple);
737 fill_ip4_hash_policy_kv (&policy_5tuple, &mask, &kv);
738 res = clib_bihash_search_inline_2_16_8 (&fp_spd->fp_ip4_lookup_hash, &kv,
744 vec_foreach_index (ii, result_val->fp_policies_ids)
747 pool_elt_at_index (im->policies, *(result_val->fp_policies_ids + ii));
748 if (ipsec_policy_is_equal (vp, policy))
750 vec_foreach_index (iii, fp_spd->fp_policies[policy->type])
752 if (*(fp_spd->fp_policies[policy->type] + iii) ==
753 *(result_val->fp_policies_ids + ii))
755 if (vec_len (result_val->fp_policies_ids) == 1)
757 vec_free (result_val->fp_policies_ids);
758 clib_bihash_add_del_16_8 (&fp_spd->fp_ip4_lookup_hash,
763 vec_del1 (result_val->fp_policies_ids, ii);
765 vec_del1 (fp_spd->fp_policies[policy->type], iii);
767 vec_foreach_index (imt, fp_spd->fp_mask_types[policy->type])
769 if (*(fp_spd->fp_mask_types[policy->type] + imt) ==
772 ipsec_fp_mask_type_entry_t *mte = pool_elt_at_index (
773 im->fp_mask_types, vp->fp_mask_type_id);
775 if (mte->refcount == 1)
776 vec_del1 (fp_spd->fp_mask_types[policy->type],
791 release_mask_type_index (im, vp->fp_mask_type_id);
792 ipsec_sa_unlock (vp->sa_index);
793 pool_put (im->policies, vp);
802 ipsec_fp_add_del_policy (void *fp_spd, ipsec_policy_t *policy, int is_add,
805 ipsec_main_t *im = &ipsec_main;
809 return ipsec_fp_ip6_add_policy (im, (ipsec_spd_fp_t *) fp_spd, policy,
812 return ipsec_fp_ip4_add_policy (im, (ipsec_spd_fp_t *) fp_spd, policy,
815 else if (policy->is_ipv6)
817 return ipsec_fp_ip6_del_policy (im, (ipsec_spd_fp_t *) fp_spd, policy);
819 return ipsec_fp_ip4_del_policy (im, (ipsec_spd_fp_t *) fp_spd, policy);
823 * fd.io coding-style-patch-verification: ON
826 * eval: (c-set-style "gnu")