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_policy_is_equal (ipsec_policy_t * p1, ipsec_policy_t * p2)
30 if (p1->priority != p2->priority)
32 if (p1->type != p2->type)
34 if (p1->policy != p2->policy)
36 if (p1->sa_id != p2->sa_id)
38 if (p1->protocol != p2->protocol)
40 if (p1->lport.start != p2->lport.start)
42 if (p1->lport.stop != p2->lport.stop)
44 if (p1->rport.start != p2->rport.start)
46 if (p1->rport.stop != p2->rport.stop)
48 if (p1->is_ipv6 != p2->is_ipv6)
52 if (p1->laddr.start.ip6.as_u64[0] != p2->laddr.start.ip6.as_u64[0])
54 if (p1->laddr.start.ip6.as_u64[1] != p2->laddr.start.ip6.as_u64[1])
56 if (p1->laddr.stop.ip6.as_u64[0] != p2->laddr.stop.ip6.as_u64[0])
58 if (p1->laddr.stop.ip6.as_u64[1] != p2->laddr.stop.ip6.as_u64[1])
60 if (p1->raddr.start.ip6.as_u64[0] != p2->raddr.start.ip6.as_u64[0])
62 if (p1->raddr.start.ip6.as_u64[1] != p2->raddr.start.ip6.as_u64[1])
64 if (p1->raddr.stop.ip6.as_u64[0] != p2->raddr.stop.ip6.as_u64[0])
66 if (p1->laddr.stop.ip6.as_u64[1] != p2->laddr.stop.ip6.as_u64[1])
71 if (p1->laddr.start.ip4.as_u32 != p2->laddr.start.ip4.as_u32)
73 if (p1->laddr.stop.ip4.as_u32 != p2->laddr.stop.ip4.as_u32)
75 if (p1->raddr.start.ip4.as_u32 != p2->raddr.start.ip4.as_u32)
77 if (p1->raddr.stop.ip4.as_u32 != p2->raddr.stop.ip4.as_u32)
84 ipsec_spd_entry_sort (void *a1, void *a2)
86 ipsec_main_t *im = &ipsec_main;
89 ipsec_policy_t *p1, *p2;
91 p1 = pool_elt_at_index (im->policies, *id1);
92 p2 = pool_elt_at_index (im->policies, *id2);
94 return p2->priority - p1->priority;
100 ipsec_policy_mk_type (bool is_outbound,
102 ipsec_policy_action_t action,
103 ipsec_spd_policy_type_t * type)
108 IPSEC_SPD_POLICY_IP6_OUTBOUND : IPSEC_SPD_POLICY_IP4_OUTBOUND);
115 case IPSEC_POLICY_ACTION_PROTECT:
117 IPSEC_SPD_POLICY_IP6_INBOUND_PROTECT :
118 IPSEC_SPD_POLICY_IP4_INBOUND_PROTECT);
120 case IPSEC_POLICY_ACTION_BYPASS:
122 IPSEC_SPD_POLICY_IP6_INBOUND_BYPASS :
123 IPSEC_SPD_POLICY_IP4_INBOUND_BYPASS);
125 case IPSEC_POLICY_ACTION_DISCARD:
126 case IPSEC_POLICY_ACTION_RESOLVE:
131 /* Unsupported type */
136 ipsec_add_del_policy (vlib_main_t * vm,
137 ipsec_policy_t * policy, int is_add, u32 * stat_index)
139 ipsec_main_t *im = &ipsec_main;
140 ipsec_spd_t *spd = 0;
145 clib_warning ("policy-id %u priority %d type %U", policy->id,
146 policy->priority, format_ipsec_policy_type, policy->type);
148 if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
150 p = hash_get (im->sa_index_by_sa_id, policy->sa_id);
152 return VNET_API_ERROR_SYSCALL_ERROR_1;
153 policy->sa_index = p[0];
156 p = hash_get (im->spd_index_by_spd_id, policy->id);
159 return VNET_API_ERROR_SYSCALL_ERROR_1;
162 spd = pool_elt_at_index (im->spds, spd_index);
164 return VNET_API_ERROR_SYSCALL_ERROR_1;
170 pool_get (im->policies, vp);
171 clib_memcpy (vp, policy, sizeof (*vp));
172 policy_index = vp - im->policies;
174 vlib_validate_combined_counter (&ipsec_spd_policy_counters,
176 vlib_zero_combined_counter (&ipsec_spd_policy_counters, policy_index);
178 vec_add1 (spd->policies[policy->type], policy_index);
179 vec_sort_with_function (spd->policies[policy->type],
180 ipsec_spd_entry_sort);
181 *stat_index = policy_index;
185 ipsec_spd_policy_type_t ptype;
188 FOR_EACH_IPSEC_SPD_POLICY_TYPE (ptype)
190 vec_foreach_index (ii, (spd->policies[ptype]))
192 vp = pool_elt_at_index (im->policies, spd->policies[ptype][ii]);
193 if (ipsec_policy_is_equal (vp, policy))
195 vec_del1 (spd->policies[ptype], ii);
196 pool_put (im->policies, vp);
208 * fd.io coding-style-patch-verification: ON
211 * eval: (c-set-style "gnu")