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-rw-r--r--net/xfrm/xfrm_policy.c15
-rw-r--r--net/xfrm/xfrm_state.c59
2 files changed, 43 insertions, 31 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 1d300862dc04..3d931f52f897 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1069,29 +1069,32 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(struct sock *sk, int dir, struc
1069 1069
1070static void __xfrm_policy_link(struct xfrm_policy *pol, int dir) 1070static void __xfrm_policy_link(struct xfrm_policy *pol, int dir)
1071{ 1071{
1072 struct net *net = xp_net(pol);
1072 struct hlist_head *chain = policy_hash_bysel(&pol->selector, 1073 struct hlist_head *chain = policy_hash_bysel(&pol->selector,
1073 pol->family, dir); 1074 pol->family, dir);
1074 1075
1075 list_add(&pol->walk.all, &init_net.xfrm.policy_all); 1076 list_add(&pol->walk.all, &net->xfrm.policy_all);
1076 hlist_add_head(&pol->bydst, chain); 1077 hlist_add_head(&pol->bydst, chain);
1077 hlist_add_head(&pol->byidx, init_net.xfrm.policy_byidx+idx_hash(pol->index)); 1078 hlist_add_head(&pol->byidx, net->xfrm.policy_byidx+idx_hash(pol->index));
1078 init_net.xfrm.policy_count[dir]++; 1079 net->xfrm.policy_count[dir]++;
1079 xfrm_pol_hold(pol); 1080 xfrm_pol_hold(pol);
1080 1081
1081 if (xfrm_bydst_should_resize(&init_net, dir, NULL)) 1082 if (xfrm_bydst_should_resize(net, dir, NULL))
1082 schedule_work(&init_net.xfrm.policy_hash_work); 1083 schedule_work(&net->xfrm.policy_hash_work);
1083} 1084}
1084 1085
1085static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol, 1086static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
1086 int dir) 1087 int dir)
1087{ 1088{
1089 struct net *net = xp_net(pol);
1090
1088 if (hlist_unhashed(&pol->bydst)) 1091 if (hlist_unhashed(&pol->bydst))
1089 return NULL; 1092 return NULL;
1090 1093
1091 hlist_del(&pol->bydst); 1094 hlist_del(&pol->bydst);
1092 hlist_del(&pol->byidx); 1095 hlist_del(&pol->byidx);
1093 list_del(&pol->walk.all); 1096 list_del(&pol->walk.all);
1094 init_net.xfrm.policy_count[dir]--; 1097 net->xfrm.policy_count[dir]--;
1095 1098
1096 return pol; 1099 return pol;
1097} 1100}
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 72b2956627d6..f3f635d4ee66 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -412,6 +412,7 @@ static inline unsigned long make_jiffies(long secs)
412static void xfrm_timer_handler(unsigned long data) 412static void xfrm_timer_handler(unsigned long data)
413{ 413{
414 struct xfrm_state *x = (struct xfrm_state*)data; 414 struct xfrm_state *x = (struct xfrm_state*)data;
415 struct net *net = xs_net(x);
415 unsigned long now = get_seconds(); 416 unsigned long now = get_seconds();
416 long next = LONG_MAX; 417 long next = LONG_MAX;
417 int warn = 0; 418 int warn = 0;
@@ -469,7 +470,7 @@ resched:
469expired: 470expired:
470 if (x->km.state == XFRM_STATE_ACQ && x->id.spi == 0) { 471 if (x->km.state == XFRM_STATE_ACQ && x->id.spi == 0) {
471 x->km.state = XFRM_STATE_EXPIRED; 472 x->km.state = XFRM_STATE_EXPIRED;
472 wake_up(&init_net.xfrm.km_waitq); 473 wake_up(&net->xfrm.km_waitq);
473 next = 2; 474 next = 2;
474 goto resched; 475 goto resched;
475 } 476 }
@@ -522,17 +523,20 @@ EXPORT_SYMBOL(xfrm_state_alloc);
522 523
523void __xfrm_state_destroy(struct xfrm_state *x) 524void __xfrm_state_destroy(struct xfrm_state *x)
524{ 525{
526 struct net *net = xs_net(x);
527
525 WARN_ON(x->km.state != XFRM_STATE_DEAD); 528 WARN_ON(x->km.state != XFRM_STATE_DEAD);
526 529
527 spin_lock_bh(&xfrm_state_gc_lock); 530 spin_lock_bh(&xfrm_state_gc_lock);
528 hlist_add_head(&x->gclist, &init_net.xfrm.state_gc_list); 531 hlist_add_head(&x->gclist, &net->xfrm.state_gc_list);
529 spin_unlock_bh(&xfrm_state_gc_lock); 532 spin_unlock_bh(&xfrm_state_gc_lock);
530 schedule_work(&init_net.xfrm.state_gc_work); 533 schedule_work(&net->xfrm.state_gc_work);
531} 534}
532EXPORT_SYMBOL(__xfrm_state_destroy); 535EXPORT_SYMBOL(__xfrm_state_destroy);
533 536
534int __xfrm_state_delete(struct xfrm_state *x) 537int __xfrm_state_delete(struct xfrm_state *x)
535{ 538{
539 struct net *net = xs_net(x);
536 int err = -ESRCH; 540 int err = -ESRCH;
537 541
538 if (x->km.state != XFRM_STATE_DEAD) { 542 if (x->km.state != XFRM_STATE_DEAD) {
@@ -543,7 +547,7 @@ int __xfrm_state_delete(struct xfrm_state *x)
543 hlist_del(&x->bysrc); 547 hlist_del(&x->bysrc);
544 if (x->id.spi) 548 if (x->id.spi)
545 hlist_del(&x->byspi); 549 hlist_del(&x->byspi);
546 init_net.xfrm.state_num--; 550 net->xfrm.state_num--;
547 spin_unlock(&xfrm_state_lock); 551 spin_unlock(&xfrm_state_lock);
548 552
549 /* All xfrm_state objects are created by xfrm_state_alloc. 553 /* All xfrm_state objects are created by xfrm_state_alloc.
@@ -745,12 +749,12 @@ __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family)
745 x->id.proto, family); 749 x->id.proto, family);
746} 750}
747 751
748static void xfrm_hash_grow_check(int have_hash_collision) 752static void xfrm_hash_grow_check(struct net *net, int have_hash_collision)
749{ 753{
750 if (have_hash_collision && 754 if (have_hash_collision &&
751 (init_net.xfrm.state_hmask + 1) < xfrm_state_hashmax && 755 (net->xfrm.state_hmask + 1) < xfrm_state_hashmax &&
752 init_net.xfrm.state_num > init_net.xfrm.state_hmask) 756 net->xfrm.state_num > net->xfrm.state_hmask)
753 schedule_work(&init_net.xfrm.state_hash_work); 757 schedule_work(&net->xfrm.state_hash_work);
754} 758}
755 759
756struct xfrm_state * 760struct xfrm_state *
@@ -851,7 +855,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
851 x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ; 855 x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ;
852 add_timer(&x->timer); 856 add_timer(&x->timer);
853 init_net.xfrm.state_num++; 857 init_net.xfrm.state_num++;
854 xfrm_hash_grow_check(x->bydst.next != NULL); 858 xfrm_hash_grow_check(&init_net, x->bydst.next != NULL);
855 } else { 859 } else {
856 x->km.state = XFRM_STATE_DEAD; 860 x->km.state = XFRM_STATE_DEAD;
857 to_put = x; 861 to_put = x;
@@ -904,48 +908,50 @@ EXPORT_SYMBOL(xfrm_stateonly_find);
904 908
905static void __xfrm_state_insert(struct xfrm_state *x) 909static void __xfrm_state_insert(struct xfrm_state *x)
906{ 910{
911 struct net *net = xs_net(x);
907 unsigned int h; 912 unsigned int h;
908 913
909 x->genid = ++xfrm_state_genid; 914 x->genid = ++xfrm_state_genid;
910 915
911 list_add(&x->km.all, &init_net.xfrm.state_all); 916 list_add(&x->km.all, &net->xfrm.state_all);
912 917
913 h = xfrm_dst_hash(&init_net, &x->id.daddr, &x->props.saddr, 918 h = xfrm_dst_hash(net, &x->id.daddr, &x->props.saddr,
914 x->props.reqid, x->props.family); 919 x->props.reqid, x->props.family);
915 hlist_add_head(&x->bydst, init_net.xfrm.state_bydst+h); 920 hlist_add_head(&x->bydst, net->xfrm.state_bydst+h);
916 921
917 h = xfrm_src_hash(&init_net, &x->id.daddr, &x->props.saddr, x->props.family); 922 h = xfrm_src_hash(net, &x->id.daddr, &x->props.saddr, x->props.family);
918 hlist_add_head(&x->bysrc, init_net.xfrm.state_bysrc+h); 923 hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h);
919 924
920 if (x->id.spi) { 925 if (x->id.spi) {
921 h = xfrm_spi_hash(&init_net, &x->id.daddr, x->id.spi, x->id.proto, 926 h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto,
922 x->props.family); 927 x->props.family);
923 928
924 hlist_add_head(&x->byspi, init_net.xfrm.state_byspi+h); 929 hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
925 } 930 }
926 931
927 mod_timer(&x->timer, jiffies + HZ); 932 mod_timer(&x->timer, jiffies + HZ);
928 if (x->replay_maxage) 933 if (x->replay_maxage)
929 mod_timer(&x->rtimer, jiffies + x->replay_maxage); 934 mod_timer(&x->rtimer, jiffies + x->replay_maxage);
930 935
931 wake_up(&init_net.xfrm.km_waitq); 936 wake_up(&net->xfrm.km_waitq);
932 937
933 init_net.xfrm.state_num++; 938 net->xfrm.state_num++;
934 939
935 xfrm_hash_grow_check(x->bydst.next != NULL); 940 xfrm_hash_grow_check(net, x->bydst.next != NULL);
936} 941}
937 942
938/* xfrm_state_lock is held */ 943/* xfrm_state_lock is held */
939static void __xfrm_state_bump_genids(struct xfrm_state *xnew) 944static void __xfrm_state_bump_genids(struct xfrm_state *xnew)
940{ 945{
946 struct net *net = xs_net(xnew);
941 unsigned short family = xnew->props.family; 947 unsigned short family = xnew->props.family;
942 u32 reqid = xnew->props.reqid; 948 u32 reqid = xnew->props.reqid;
943 struct xfrm_state *x; 949 struct xfrm_state *x;
944 struct hlist_node *entry; 950 struct hlist_node *entry;
945 unsigned int h; 951 unsigned int h;
946 952
947 h = xfrm_dst_hash(&init_net, &xnew->id.daddr, &xnew->props.saddr, reqid, family); 953 h = xfrm_dst_hash(net, &xnew->id.daddr, &xnew->props.saddr, reqid, family);
948 hlist_for_each_entry(x, entry, init_net.xfrm.state_bydst+h, bydst) { 954 hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
949 if (x->props.family == family && 955 if (x->props.family == family &&
950 x->props.reqid == reqid && 956 x->props.reqid == reqid &&
951 !xfrm_addr_cmp(&x->id.daddr, &xnew->id.daddr, family) && 957 !xfrm_addr_cmp(&x->id.daddr, &xnew->id.daddr, family) &&
@@ -1044,7 +1050,7 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re
1044 1050
1045 init_net.xfrm.state_num++; 1051 init_net.xfrm.state_num++;
1046 1052
1047 xfrm_hash_grow_check(x->bydst.next != NULL); 1053 xfrm_hash_grow_check(&init_net, x->bydst.next != NULL);
1048 } 1054 }
1049 1055
1050 return x; 1056 return x;
@@ -1109,8 +1115,9 @@ EXPORT_SYMBOL(xfrm_state_add);
1109#ifdef CONFIG_XFRM_MIGRATE 1115#ifdef CONFIG_XFRM_MIGRATE
1110static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp) 1116static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
1111{ 1117{
1118 struct net *net = xs_net(orig);
1112 int err = -ENOMEM; 1119 int err = -ENOMEM;
1113 struct xfrm_state *x = xfrm_state_alloc(&init_net); 1120 struct xfrm_state *x = xfrm_state_alloc(net);
1114 if (!x) 1121 if (!x)
1115 goto error; 1122 goto error;
1116 1123
@@ -1734,6 +1741,7 @@ EXPORT_SYMBOL(km_state_notify);
1734 1741
1735void km_state_expired(struct xfrm_state *x, int hard, u32 pid) 1742void km_state_expired(struct xfrm_state *x, int hard, u32 pid)
1736{ 1743{
1744 struct net *net = xs_net(x);
1737 struct km_event c; 1745 struct km_event c;
1738 1746
1739 c.data.hard = hard; 1747 c.data.hard = hard;
@@ -1742,7 +1750,7 @@ void km_state_expired(struct xfrm_state *x, int hard, u32 pid)
1742 km_state_notify(x, &c); 1750 km_state_notify(x, &c);
1743 1751
1744 if (hard) 1752 if (hard)
1745 wake_up(&init_net.xfrm.km_waitq); 1753 wake_up(&net->xfrm.km_waitq);
1746} 1754}
1747 1755
1748EXPORT_SYMBOL(km_state_expired); 1756EXPORT_SYMBOL(km_state_expired);
@@ -1785,6 +1793,7 @@ EXPORT_SYMBOL(km_new_mapping);
1785 1793
1786void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid) 1794void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid)
1787{ 1795{
1796 struct net *net = xp_net(pol);
1788 struct km_event c; 1797 struct km_event c;
1789 1798
1790 c.data.hard = hard; 1799 c.data.hard = hard;
@@ -1793,7 +1802,7 @@ void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid)
1793 km_policy_notify(pol, dir, &c); 1802 km_policy_notify(pol, dir, &c);
1794 1803
1795 if (hard) 1804 if (hard)
1796 wake_up(&init_net.xfrm.km_waitq); 1805 wake_up(&net->xfrm.km_waitq);
1797} 1806}
1798EXPORT_SYMBOL(km_policy_expired); 1807EXPORT_SYMBOL(km_policy_expired);
1799 1808