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YOSHIFUJI Hideakie905a9e2007-02-09 23:24:47 +09001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * xfrm4_policy.c
3 *
4 * Changes:
5 * Kazunori MIYAZAWA @USAGI
6 * YOSHIFUJI Hideaki @USAGI
7 * Split up af-specific portion
YOSHIFUJI Hideakie905a9e2007-02-09 23:24:47 +09008 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 */
10
Herbert Xu66cdb3c2007-11-13 21:37:28 -080011#include <linux/err.h>
12#include <linux/kernel.h>
Herbert Xuaabc9762005-05-03 16:27:10 -070013#include <linux/inetdevice.h>
Timo Teräscc9ff192010-11-03 04:41:38 +000014#include <linux/if_tunnel.h>
Herbert Xu45ff5a32007-11-13 21:35:32 -080015#include <net/dst.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070016#include <net/xfrm.h>
17#include <net/ip.h>
David Ahern385add92015-09-29 20:07:13 -070018#include <net/l3mdev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019
Linus Torvalds1da177e2005-04-16 15:20:36 -070020static struct xfrm_policy_afinfo xfrm4_policy_afinfo;
21
David S. Miller8f01cb02011-05-09 15:13:28 -070022static struct dst_entry *__xfrm4_dst_lookup(struct net *net, struct flowi4 *fl4,
David Ahern42a7b322015-08-10 16:58:11 -060023 int tos, int oif,
David S. Miller8f01cb02011-05-09 15:13:28 -070024 const xfrm_address_t *saddr,
25 const xfrm_address_t *daddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -070026{
Herbert Xu66cdb3c2007-11-13 21:37:28 -080027 struct rtable *rt;
Patrick McHardya1e59ab2006-09-19 12:57:34 -070028
David S. Miller8f01cb02011-05-09 15:13:28 -070029 memset(fl4, 0, sizeof(*fl4));
30 fl4->daddr = daddr->a4;
31 fl4->flowi4_tos = tos;
David Ahern42a7b322015-08-10 16:58:11 -060032 fl4->flowi4_oif = oif;
Herbert Xu66cdb3c2007-11-13 21:37:28 -080033 if (saddr)
David S. Miller8f01cb02011-05-09 15:13:28 -070034 fl4->saddr = saddr->a4;
Herbert Xu66cdb3c2007-11-13 21:37:28 -080035
David Ahern58189ca2015-09-15 15:10:50 -070036 fl4->flowi4_flags = FLOWI_FLAG_SKIP_NH_OIF;
37
David S. Miller8f01cb02011-05-09 15:13:28 -070038 rt = __ip_route_output_key(net, fl4);
David S. Millerb23dd4f2011-03-02 14:31:35 -080039 if (!IS_ERR(rt))
40 return &rt->dst;
41
42 return ERR_CAST(rt);
Herbert Xu66cdb3c2007-11-13 21:37:28 -080043}
44
David Ahern42a7b322015-08-10 16:58:11 -060045static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos, int oif,
David S. Miller8f01cb02011-05-09 15:13:28 -070046 const xfrm_address_t *saddr,
47 const xfrm_address_t *daddr)
48{
49 struct flowi4 fl4;
50
David Ahern42a7b322015-08-10 16:58:11 -060051 return __xfrm4_dst_lookup(net, &fl4, tos, oif, saddr, daddr);
David S. Miller8f01cb02011-05-09 15:13:28 -070052}
53
David Ahern42a7b322015-08-10 16:58:11 -060054static int xfrm4_get_saddr(struct net *net, int oif,
Alexey Dobriyanfbda33b2008-11-25 17:56:49 -080055 xfrm_address_t *saddr, xfrm_address_t *daddr)
Herbert Xu66cdb3c2007-11-13 21:37:28 -080056{
57 struct dst_entry *dst;
David S. Miller8f01cb02011-05-09 15:13:28 -070058 struct flowi4 fl4;
Herbert Xu66cdb3c2007-11-13 21:37:28 -080059
David Ahern42a7b322015-08-10 16:58:11 -060060 dst = __xfrm4_dst_lookup(net, &fl4, 0, oif, NULL, daddr);
Herbert Xu66cdb3c2007-11-13 21:37:28 -080061 if (IS_ERR(dst))
62 return -EHOSTUNREACH;
63
David S. Miller8f01cb02011-05-09 15:13:28 -070064 saddr->a4 = fl4.saddr;
Herbert Xu66cdb3c2007-11-13 21:37:28 -080065 dst_release(dst);
66 return 0;
Patrick McHardya1e59ab2006-09-19 12:57:34 -070067}
68
David S. Miller05d84022011-02-22 17:47:10 -080069static int xfrm4_get_tos(const struct flowi *fl)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070{
David S. Miller7e1dc7b2011-03-12 02:42:11 -050071 return IPTOS_RT_MASK & fl->u.ip4.flowi4_tos; /* Strip ECN bits */
Herbert Xu25ee3282007-12-11 09:32:34 -080072}
Linus Torvalds1da177e2005-04-16 15:20:36 -070073
Masahide NAKAMURAa1b05142007-12-20 20:41:12 -080074static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
75 int nfheader_len)
76{
77 return 0;
78}
79
Herbert Xu87c1e122010-03-02 02:51:56 +000080static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
David S. Miller0c7b3ee2011-02-22 17:48:57 -080081 const struct flowi *fl)
Herbert Xu25ee3282007-12-11 09:32:34 -080082{
83 struct rtable *rt = (struct rtable *)xdst->route;
David S. Miller7e1dc7b2011-03-12 02:42:11 -050084 const struct flowi4 *fl4 = &fl->u.ip4;
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
Yan, Zhengb7323392011-10-22 21:58:20 +000086 xdst->u.rt.rt_iif = fl4->flowi4_iif;
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
Herbert Xu25ee3282007-12-11 09:32:34 -080088 xdst->u.dst.dev = dev;
89 dev_hold(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
Herbert Xu25ee3282007-12-11 09:32:34 -080091 /* Sheit... I remember I did this right. Apparently,
92 * it was magically lost, so this code needs audit */
David S. Miller9917e1e82012-07-17 14:44:26 -070093 xdst->u.rt.rt_is_input = rt->rt_is_input;
Herbert Xu25ee3282007-12-11 09:32:34 -080094 xdst->u.rt.rt_flags = rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST |
95 RTCF_LOCAL);
96 xdst->u.rt.rt_type = rt->rt_type;
Herbert Xu25ee3282007-12-11 09:32:34 -080097 xdst->u.rt.rt_gateway = rt->rt_gateway;
Julian Anastasov155e8332012-10-08 11:41:18 +000098 xdst->u.rt.rt_uses_gateway = rt->rt_uses_gateway;
David S. Miller59436342012-07-10 06:58:42 -070099 xdst->u.rt.rt_pmtu = rt->rt_pmtu;
David Ahernb7503e02015-09-02 13:58:35 -0700100 xdst->u.rt.rt_table_id = rt->rt_table_id;
David S. Millercaacf052012-07-31 15:06:50 -0700101 INIT_LIST_HEAD(&xdst->u.rt.rt_uncached);
Miika Komu43372262007-02-06 14:27:32 -0800102
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104}
105
106static void
Herbert Xud5422ef2007-12-12 10:44:16 -0800107_decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108{
Eric Dumazetb71d1d42011-04-22 04:53:02 +0000109 const struct iphdr *iph = ip_hdr(skb);
Arnaldo Carvalho de Melod56f90a2007-04-10 20:50:43 -0700110 u8 *xprth = skb_network_header(skb) + iph->ihl * 4;
David S. Miller7e1dc7b2011-03-12 02:42:11 -0500111 struct flowi4 *fl4 = &fl->u.ip4;
Steffen Klassert84502b52013-10-30 11:16:28 +0100112 int oif = 0;
113
David Ahern385add92015-09-29 20:07:13 -0700114 if (skb_dst(skb))
115 oif = l3mdev_fib_oif(skb_dst(skb)->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116
David S. Miller7e1dc7b2011-03-12 02:42:11 -0500117 memset(fl4, 0, sizeof(struct flowi4));
118 fl4->flowi4_mark = skb->mark;
Steffen Klassert84502b52013-10-30 11:16:28 +0100119 fl4->flowi4_oif = reverse ? skb->skb_iif : oif;
Peter Kosyh44b451f2010-07-02 07:47:55 +0000120
Paul Gortmaker56f8a752011-06-21 20:33:34 -0700121 if (!ip_is_fragment(iph)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 switch (iph->protocol) {
123 case IPPROTO_UDP:
Gerrit Renkerba4e58e2006-11-27 11:10:57 -0800124 case IPPROTO_UDPLITE:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 case IPPROTO_TCP:
126 case IPPROTO_SCTP:
Patrick McHardy9e999992005-12-19 14:03:46 -0800127 case IPPROTO_DCCP:
Wei Yongjunc615c9f2009-07-02 16:57:23 +0000128 if (xprth + 4 < skb->data ||
129 pskb_may_pull(skb, xprth + 4 - skb->data)) {
Steffen Klassertea673a42015-10-23 07:32:39 +0200130 __be16 *ports;
131
132 xprth = skb_network_header(skb) + iph->ihl * 4;
133 ports = (__be16 *)xprth;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134
David S. Miller9cce96d2011-03-12 03:00:33 -0500135 fl4->fl4_sport = ports[!!reverse];
136 fl4->fl4_dport = ports[!reverse];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 }
138 break;
139
140 case IPPROTO_ICMP:
Steffen Klassert1a14f1e2015-10-23 07:31:23 +0200141 if (xprth + 2 < skb->data ||
142 pskb_may_pull(skb, xprth + 2 - skb->data)) {
Steffen Klassertea673a42015-10-23 07:32:39 +0200143 u8 *icmp;
144
145 xprth = skb_network_header(skb) + iph->ihl * 4;
146 icmp = xprth;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
David S. Miller9cce96d2011-03-12 03:00:33 -0500148 fl4->fl4_icmp_type = icmp[0];
149 fl4->fl4_icmp_code = icmp[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150 }
151 break;
152
153 case IPPROTO_ESP:
Steffen Klassert1a14f1e2015-10-23 07:31:23 +0200154 if (xprth + 4 < skb->data ||
155 pskb_may_pull(skb, xprth + 4 - skb->data)) {
Steffen Klassertea673a42015-10-23 07:32:39 +0200156 __be32 *ehdr;
157
158 xprth = skb_network_header(skb) + iph->ihl * 4;
159 ehdr = (__be32 *)xprth;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160
David S. Miller9cce96d2011-03-12 03:00:33 -0500161 fl4->fl4_ipsec_spi = ehdr[0];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 }
163 break;
164
165 case IPPROTO_AH:
Steffen Klassert1a14f1e2015-10-23 07:31:23 +0200166 if (xprth + 8 < skb->data ||
167 pskb_may_pull(skb, xprth + 8 - skb->data)) {
Steffen Klassertea673a42015-10-23 07:32:39 +0200168 __be32 *ah_hdr;
169
170 xprth = skb_network_header(skb) + iph->ihl * 4;
171 ah_hdr = (__be32 *)xprth;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172
David S. Miller9cce96d2011-03-12 03:00:33 -0500173 fl4->fl4_ipsec_spi = ah_hdr[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 }
175 break;
176
177 case IPPROTO_COMP:
Steffen Klassert1a14f1e2015-10-23 07:31:23 +0200178 if (xprth + 4 < skb->data ||
179 pskb_may_pull(skb, xprth + 4 - skb->data)) {
Steffen Klassertea673a42015-10-23 07:32:39 +0200180 __be16 *ipcomp_hdr;
181
182 xprth = skb_network_header(skb) + iph->ihl * 4;
183 ipcomp_hdr = (__be16 *)xprth;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184
David S. Miller9cce96d2011-03-12 03:00:33 -0500185 fl4->fl4_ipsec_spi = htonl(ntohs(ipcomp_hdr[1]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186 }
187 break;
Timo Teräscc9ff192010-11-03 04:41:38 +0000188
189 case IPPROTO_GRE:
Steffen Klassert1a14f1e2015-10-23 07:31:23 +0200190 if (xprth + 12 < skb->data ||
191 pskb_may_pull(skb, xprth + 12 - skb->data)) {
Steffen Klassertea673a42015-10-23 07:32:39 +0200192 __be16 *greflags;
193 __be32 *gre_hdr;
194
195 xprth = skb_network_header(skb) + iph->ihl * 4;
196 greflags = (__be16 *)xprth;
197 gre_hdr = (__be32 *)xprth;
Timo Teräscc9ff192010-11-03 04:41:38 +0000198
199 if (greflags[0] & GRE_KEY) {
200 if (greflags[0] & GRE_CSUM)
201 gre_hdr++;
David S. Miller9cce96d2011-03-12 03:00:33 -0500202 fl4->fl4_gre_key = gre_hdr[1];
Timo Teräscc9ff192010-11-03 04:41:38 +0000203 }
204 }
205 break;
206
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207 default:
David S. Miller9cce96d2011-03-12 03:00:33 -0500208 fl4->fl4_ipsec_spi = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209 break;
Stephen Hemminger3ff50b72007-04-20 17:09:22 -0700210 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211 }
David S. Miller7e1dc7b2011-03-12 02:42:11 -0500212 fl4->flowi4_proto = iph->protocol;
213 fl4->daddr = reverse ? iph->saddr : iph->daddr;
214 fl4->saddr = reverse ? iph->daddr : iph->saddr;
215 fl4->flowi4_tos = iph->tos;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216}
217
Daniel Lezcano569d3642008-01-18 03:56:57 -0800218static inline int xfrm4_garbage_collect(struct dst_ops *ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219{
Alexey Dobriyand7c75442010-01-24 22:47:53 -0800220 struct net *net = container_of(ops, struct net, xfrm.xfrm4_dst_ops);
221
222 xfrm4_policy_afinfo.garbage_collect(net);
Eric Dumazetfc66f952010-10-08 06:37:34 +0000223 return (dst_entries_get_slow(ops) > ops->gc_thresh * 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224}
225
David S. Miller6700c272012-07-17 03:29:28 -0700226static void xfrm4_update_pmtu(struct dst_entry *dst, struct sock *sk,
227 struct sk_buff *skb, u32 mtu)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228{
229 struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
230 struct dst_entry *path = xdst->route;
231
David S. Miller6700c272012-07-17 03:29:28 -0700232 path->ops->update_pmtu(path, sk, skb, mtu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233}
234
David S. Miller6700c272012-07-17 03:29:28 -0700235static void xfrm4_redirect(struct dst_entry *dst, struct sock *sk,
236 struct sk_buff *skb)
David S. Miller55be7a92012-07-11 21:27:49 -0700237{
238 struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
239 struct dst_entry *path = xdst->route;
240
David S. Miller6700c272012-07-17 03:29:28 -0700241 path->ops->redirect(path, sk, skb);
David S. Miller55be7a92012-07-11 21:27:49 -0700242}
243
Herbert Xuaabc9762005-05-03 16:27:10 -0700244static void xfrm4_dst_destroy(struct dst_entry *dst)
245{
246 struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
247
David S. Miller62fa8a82011-01-26 20:51:05 -0800248 dst_destroy_metrics_generic(dst);
249
Herbert Xuaabc9762005-05-03 16:27:10 -0700250 xfrm_dst_destroy(xdst);
251}
252
253static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
254 int unregister)
255{
Herbert Xuaabc9762005-05-03 16:27:10 -0700256 if (!unregister)
257 return;
258
Herbert Xuaabc9762005-05-03 16:27:10 -0700259 xfrm_dst_ifdown(dst, dev);
260}
261
Dan Streetmana8a572a2015-10-29 09:51:16 -0400262static struct dst_ops xfrm4_dst_ops_template = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263 .family = AF_INET,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264 .gc = xfrm4_garbage_collect,
265 .update_pmtu = xfrm4_update_pmtu,
David S. Miller55be7a92012-07-11 21:27:49 -0700266 .redirect = xfrm4_redirect,
David S. Miller62fa8a82011-01-26 20:51:05 -0800267 .cow_metrics = dst_cow_metrics_generic,
Herbert Xuaabc9762005-05-03 16:27:10 -0700268 .destroy = xfrm4_dst_destroy,
269 .ifdown = xfrm4_dst_ifdown,
Herbert Xu862b82c2007-11-13 21:43:11 -0800270 .local_out = __ip_local_out,
Steffen Klassertc3865782015-09-29 11:40:49 +0200271 .gc_thresh = INT_MAX,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272};
273
274static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
275 .family = AF_INET,
Dan Streetmana8a572a2015-10-29 09:51:16 -0400276 .dst_ops = &xfrm4_dst_ops_template,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277 .dst_lookup = xfrm4_dst_lookup,
Patrick McHardya1e59ab2006-09-19 12:57:34 -0700278 .get_saddr = xfrm4_get_saddr,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 .decode_session = _decode_session4,
Herbert Xu25ee3282007-12-11 09:32:34 -0800280 .get_tos = xfrm4_get_tos,
Masahide NAKAMURAa1b05142007-12-20 20:41:12 -0800281 .init_path = xfrm4_init_path,
Herbert Xu25ee3282007-12-11 09:32:34 -0800282 .fill_dst = xfrm4_fill_dst,
David S. Miller2774c132011-03-01 14:59:04 -0800283 .blackhole_route = ipv4_blackhole_route,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700284};
285
Randy Dunlapf8167002009-08-04 20:18:33 -0700286#ifdef CONFIG_SYSCTL
Neil Hormana44a4a02009-07-27 08:22:46 +0000287static struct ctl_table xfrm4_policy_table[] = {
288 {
Neil Hormana44a4a02009-07-27 08:22:46 +0000289 .procname = "xfrm4_gc_thresh",
Alexey Dobriyand7c75442010-01-24 22:47:53 -0800290 .data = &init_net.xfrm.xfrm4_dst_ops.gc_thresh,
Neil Hormana44a4a02009-07-27 08:22:46 +0000291 .maxlen = sizeof(int),
292 .mode = 0644,
293 .proc_handler = proc_dointvec,
294 },
295 { }
296};
297
Dan Streetmana8a572a2015-10-29 09:51:16 -0400298static int __net_init xfrm4_net_sysctl_init(struct net *net)
Michal Kubecek8d068872013-02-06 10:46:33 +0100299{
300 struct ctl_table *table;
301 struct ctl_table_header *hdr;
302
303 table = xfrm4_policy_table;
304 if (!net_eq(net, &init_net)) {
305 table = kmemdup(table, sizeof(xfrm4_policy_table), GFP_KERNEL);
306 if (!table)
307 goto err_alloc;
308
309 table[0].data = &net->xfrm.xfrm4_dst_ops.gc_thresh;
310 }
311
312 hdr = register_net_sysctl(net, "net/ipv4", table);
313 if (!hdr)
314 goto err_reg;
315
316 net->ipv4.xfrm4_hdr = hdr;
317 return 0;
318
319err_reg:
320 if (!net_eq(net, &init_net))
321 kfree(table);
322err_alloc:
323 return -ENOMEM;
324}
325
Dan Streetmana8a572a2015-10-29 09:51:16 -0400326static void __net_exit xfrm4_net_sysctl_exit(struct net *net)
Michal Kubecek8d068872013-02-06 10:46:33 +0100327{
328 struct ctl_table *table;
329
Ian Morris51456b22015-04-03 09:17:26 +0100330 if (!net->ipv4.xfrm4_hdr)
Michal Kubecek8d068872013-02-06 10:46:33 +0100331 return;
332
333 table = net->ipv4.xfrm4_hdr->ctl_table_arg;
334 unregister_net_sysctl_table(net->ipv4.xfrm4_hdr);
335 if (!net_eq(net, &init_net))
336 kfree(table);
337}
Dan Streetmana8a572a2015-10-29 09:51:16 -0400338#else /* CONFIG_SYSCTL */
339static int inline xfrm4_net_sysctl_init(struct net *net)
340{
341 return 0;
342}
343
344static void inline xfrm4_net_sysctl_exit(struct net *net)
345{
346}
347#endif
348
349static int __net_init xfrm4_net_init(struct net *net)
350{
351 int ret;
352
353 memcpy(&net->xfrm.xfrm4_dst_ops, &xfrm4_dst_ops_template,
354 sizeof(xfrm4_dst_ops_template));
355 ret = dst_entries_init(&net->xfrm.xfrm4_dst_ops);
356 if (ret)
357 return ret;
358
359 ret = xfrm4_net_sysctl_init(net);
360 if (ret)
361 dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
362
363 return ret;
364}
365
366static void __net_exit xfrm4_net_exit(struct net *net)
367{
368 xfrm4_net_sysctl_exit(net);
369 dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
370}
Michal Kubecek8d068872013-02-06 10:46:33 +0100371
372static struct pernet_operations __net_initdata xfrm4_net_ops = {
373 .init = xfrm4_net_init,
374 .exit = xfrm4_net_exit,
375};
Neil Hormana44a4a02009-07-27 08:22:46 +0000376
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377static void __init xfrm4_policy_init(void)
378{
379 xfrm_policy_register_afinfo(&xfrm4_policy_afinfo);
380}
381
Steffen Klassert703fb942012-11-13 08:52:24 +0100382void __init xfrm4_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383{
Alexey Dobriyand7c75442010-01-24 22:47:53 -0800384 xfrm4_state_init();
385 xfrm4_policy_init();
Steffen Klassert2f32b512014-03-14 07:28:07 +0100386 xfrm4_protocol_init();
Michal Kubecek8d068872013-02-06 10:46:33 +0100387 register_pernet_subsys(&xfrm4_net_ops);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388}
389