Lines Matching refs:x
71 struct xfrm_state *x; in xfrm_hash_transfer() local
73 hlist_for_each_entry_safe(x, tmp, list, bydst) { in xfrm_hash_transfer()
76 h = __xfrm_dst_hash(&x->id.daddr, &x->props.saddr, in xfrm_hash_transfer()
77 x->props.reqid, x->props.family, in xfrm_hash_transfer()
79 hlist_add_head(&x->bydst, ndsttable+h); in xfrm_hash_transfer()
81 h = __xfrm_src_hash(&x->id.daddr, &x->props.saddr, in xfrm_hash_transfer()
82 x->props.family, in xfrm_hash_transfer()
84 hlist_add_head(&x->bysrc, nsrctable+h); in xfrm_hash_transfer()
86 if (x->id.spi) { in xfrm_hash_transfer()
87 h = __xfrm_spi_hash(&x->id.daddr, x->id.spi, in xfrm_hash_transfer()
88 x->id.proto, x->props.family, in xfrm_hash_transfer()
90 hlist_add_head(&x->byspi, nspitable+h); in xfrm_hash_transfer()
154 int __xfrm_state_delete(struct xfrm_state *x);
156 int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
158 void km_state_expired(struct xfrm_state *x, int hard, u32 portid);
331 static void xfrm_state_gc_destroy(struct xfrm_state *x) in xfrm_state_gc_destroy() argument
333 tasklet_hrtimer_cancel(&x->mtimer); in xfrm_state_gc_destroy()
334 del_timer_sync(&x->rtimer); in xfrm_state_gc_destroy()
335 kfree(x->aalg); in xfrm_state_gc_destroy()
336 kfree(x->ealg); in xfrm_state_gc_destroy()
337 kfree(x->calg); in xfrm_state_gc_destroy()
338 kfree(x->encap); in xfrm_state_gc_destroy()
339 kfree(x->coaddr); in xfrm_state_gc_destroy()
340 kfree(x->replay_esn); in xfrm_state_gc_destroy()
341 kfree(x->preplay_esn); in xfrm_state_gc_destroy()
342 if (x->inner_mode) in xfrm_state_gc_destroy()
343 xfrm_put_mode(x->inner_mode); in xfrm_state_gc_destroy()
344 if (x->inner_mode_iaf) in xfrm_state_gc_destroy()
345 xfrm_put_mode(x->inner_mode_iaf); in xfrm_state_gc_destroy()
346 if (x->outer_mode) in xfrm_state_gc_destroy()
347 xfrm_put_mode(x->outer_mode); in xfrm_state_gc_destroy()
348 if (x->type) { in xfrm_state_gc_destroy()
349 x->type->destructor(x); in xfrm_state_gc_destroy()
350 xfrm_put_type(x->type); in xfrm_state_gc_destroy()
352 security_xfrm_state_free(x); in xfrm_state_gc_destroy()
353 kfree(x); in xfrm_state_gc_destroy()
359 struct xfrm_state *x; in xfrm_state_gc_task() local
367 hlist_for_each_entry_safe(x, tmp, &gc_list, gclist) in xfrm_state_gc_task()
368 xfrm_state_gc_destroy(x); in xfrm_state_gc_task()
382 struct xfrm_state *x = container_of(thr, struct xfrm_state, mtimer); in xfrm_timer_handler() local
388 spin_lock(&x->lock); in xfrm_timer_handler()
389 if (x->km.state == XFRM_STATE_DEAD) in xfrm_timer_handler()
391 if (x->km.state == XFRM_STATE_EXPIRED) in xfrm_timer_handler()
393 if (x->lft.hard_add_expires_seconds) { in xfrm_timer_handler()
394 long tmo = x->lft.hard_add_expires_seconds + in xfrm_timer_handler()
395 x->curlft.add_time - now; in xfrm_timer_handler()
397 if (x->xflags & XFRM_SOFT_EXPIRE) { in xfrm_timer_handler()
402 x->curlft.add_time = now - x->saved_tmo - 1; in xfrm_timer_handler()
403 tmo = x->lft.hard_add_expires_seconds - x->saved_tmo; in xfrm_timer_handler()
410 if (x->lft.hard_use_expires_seconds) { in xfrm_timer_handler()
411 long tmo = x->lft.hard_use_expires_seconds + in xfrm_timer_handler()
412 (x->curlft.use_time ? : now) - now; in xfrm_timer_handler()
418 if (x->km.dying) in xfrm_timer_handler()
420 if (x->lft.soft_add_expires_seconds) { in xfrm_timer_handler()
421 long tmo = x->lft.soft_add_expires_seconds + in xfrm_timer_handler()
422 x->curlft.add_time - now; in xfrm_timer_handler()
425 x->xflags &= ~XFRM_SOFT_EXPIRE; in xfrm_timer_handler()
428 x->xflags |= XFRM_SOFT_EXPIRE; in xfrm_timer_handler()
429 x->saved_tmo = tmo; in xfrm_timer_handler()
432 if (x->lft.soft_use_expires_seconds) { in xfrm_timer_handler()
433 long tmo = x->lft.soft_use_expires_seconds + in xfrm_timer_handler()
434 (x->curlft.use_time ? : now) - now; in xfrm_timer_handler()
441 x->km.dying = warn; in xfrm_timer_handler()
443 km_state_expired(x, 0, 0); in xfrm_timer_handler()
446 tasklet_hrtimer_start(&x->mtimer, ktime_set(next, 0), HRTIMER_MODE_REL); in xfrm_timer_handler()
452 if (x->km.state == XFRM_STATE_ACQ && x->id.spi == 0) in xfrm_timer_handler()
453 x->km.state = XFRM_STATE_EXPIRED; in xfrm_timer_handler()
455 err = __xfrm_state_delete(x); in xfrm_timer_handler()
457 km_state_expired(x, 1, 0); in xfrm_timer_handler()
459 xfrm_audit_state_delete(x, err ? 0 : 1, true); in xfrm_timer_handler()
462 spin_unlock(&x->lock); in xfrm_timer_handler()
470 struct xfrm_state *x; in xfrm_state_alloc() local
472 x = kzalloc(sizeof(struct xfrm_state), GFP_ATOMIC); in xfrm_state_alloc()
474 if (x) { in xfrm_state_alloc()
475 write_pnet(&x->xs_net, net); in xfrm_state_alloc()
476 atomic_set(&x->refcnt, 1); in xfrm_state_alloc()
477 atomic_set(&x->tunnel_users, 0); in xfrm_state_alloc()
478 INIT_LIST_HEAD(&x->km.all); in xfrm_state_alloc()
479 INIT_HLIST_NODE(&x->bydst); in xfrm_state_alloc()
480 INIT_HLIST_NODE(&x->bysrc); in xfrm_state_alloc()
481 INIT_HLIST_NODE(&x->byspi); in xfrm_state_alloc()
482 tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler, in xfrm_state_alloc()
484 setup_timer(&x->rtimer, xfrm_replay_timer_handler, in xfrm_state_alloc()
485 (unsigned long)x); in xfrm_state_alloc()
486 x->curlft.add_time = get_seconds(); in xfrm_state_alloc()
487 x->lft.soft_byte_limit = XFRM_INF; in xfrm_state_alloc()
488 x->lft.soft_packet_limit = XFRM_INF; in xfrm_state_alloc()
489 x->lft.hard_byte_limit = XFRM_INF; in xfrm_state_alloc()
490 x->lft.hard_packet_limit = XFRM_INF; in xfrm_state_alloc()
491 x->replay_maxage = 0; in xfrm_state_alloc()
492 x->replay_maxdiff = 0; in xfrm_state_alloc()
493 x->inner_mode = NULL; in xfrm_state_alloc()
494 x->inner_mode_iaf = NULL; in xfrm_state_alloc()
495 spin_lock_init(&x->lock); in xfrm_state_alloc()
497 return x; in xfrm_state_alloc()
501 void __xfrm_state_destroy(struct xfrm_state *x) in __xfrm_state_destroy() argument
503 struct net *net = xs_net(x); in __xfrm_state_destroy()
505 WARN_ON(x->km.state != XFRM_STATE_DEAD); in __xfrm_state_destroy()
508 hlist_add_head(&x->gclist, &net->xfrm.state_gc_list); in __xfrm_state_destroy()
514 int __xfrm_state_delete(struct xfrm_state *x) in __xfrm_state_delete() argument
516 struct net *net = xs_net(x); in __xfrm_state_delete()
519 if (x->km.state != XFRM_STATE_DEAD) { in __xfrm_state_delete()
520 x->km.state = XFRM_STATE_DEAD; in __xfrm_state_delete()
522 list_del(&x->km.all); in __xfrm_state_delete()
523 hlist_del(&x->bydst); in __xfrm_state_delete()
524 hlist_del(&x->bysrc); in __xfrm_state_delete()
525 if (x->id.spi) in __xfrm_state_delete()
526 hlist_del(&x->byspi); in __xfrm_state_delete()
534 xfrm_state_put(x); in __xfrm_state_delete()
542 int xfrm_state_delete(struct xfrm_state *x) in xfrm_state_delete() argument
546 spin_lock_bh(&x->lock); in xfrm_state_delete()
547 err = __xfrm_state_delete(x); in xfrm_state_delete()
548 spin_unlock_bh(&x->lock); in xfrm_state_delete()
561 struct xfrm_state *x; in xfrm_state_flush_secctx_check() local
563 hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) { in xfrm_state_flush_secctx_check()
564 if (xfrm_id_proto_match(x->id.proto, proto) && in xfrm_state_flush_secctx_check()
565 (err = security_xfrm_state_delete(x)) != 0) { in xfrm_state_flush_secctx_check()
566 xfrm_audit_state_delete(x, 0, task_valid); in xfrm_state_flush_secctx_check()
593 struct xfrm_state *x; in xfrm_state_flush() local
595 hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) { in xfrm_state_flush()
596 if (!xfrm_state_kern(x) && in xfrm_state_flush()
597 xfrm_id_proto_match(x->id.proto, proto)) { in xfrm_state_flush()
598 xfrm_state_hold(x); in xfrm_state_flush()
601 err = xfrm_state_delete(x); in xfrm_state_flush()
602 xfrm_audit_state_delete(x, err ? 0 : 1, in xfrm_state_flush()
604 xfrm_state_put(x); in xfrm_state_flush()
633 xfrm_init_tempstate(struct xfrm_state *x, const struct flowi *fl, in xfrm_init_tempstate() argument
641 afinfo->init_tempsel(&x->sel, fl); in xfrm_init_tempstate()
649 afinfo->init_temprop(x, tmpl, daddr, saddr); in xfrm_init_tempstate()
660 struct xfrm_state *x; in __xfrm_state_lookup() local
662 hlist_for_each_entry(x, net->xfrm.state_byspi+h, byspi) { in __xfrm_state_lookup()
663 if (x->props.family != family || in __xfrm_state_lookup()
664 x->id.spi != spi || in __xfrm_state_lookup()
665 x->id.proto != proto || in __xfrm_state_lookup()
666 !xfrm_addr_equal(&x->id.daddr, daddr, family)) in __xfrm_state_lookup()
669 if ((mark & x->mark.m) != x->mark.v) in __xfrm_state_lookup()
671 xfrm_state_hold(x); in __xfrm_state_lookup()
672 return x; in __xfrm_state_lookup()
684 struct xfrm_state *x; in __xfrm_state_lookup_byaddr() local
686 hlist_for_each_entry(x, net->xfrm.state_bysrc+h, bysrc) { in __xfrm_state_lookup_byaddr()
687 if (x->props.family != family || in __xfrm_state_lookup_byaddr()
688 x->id.proto != proto || in __xfrm_state_lookup_byaddr()
689 !xfrm_addr_equal(&x->id.daddr, daddr, family) || in __xfrm_state_lookup_byaddr()
690 !xfrm_addr_equal(&x->props.saddr, saddr, family)) in __xfrm_state_lookup_byaddr()
693 if ((mark & x->mark.m) != x->mark.v) in __xfrm_state_lookup_byaddr()
695 xfrm_state_hold(x); in __xfrm_state_lookup_byaddr()
696 return x; in __xfrm_state_lookup_byaddr()
703 __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family) in __xfrm_state_locate() argument
705 struct net *net = xs_net(x); in __xfrm_state_locate()
706 u32 mark = x->mark.v & x->mark.m; in __xfrm_state_locate()
709 return __xfrm_state_lookup(net, mark, &x->id.daddr, in __xfrm_state_locate()
710 x->id.spi, x->id.proto, family); in __xfrm_state_locate()
713 &x->id.daddr, in __xfrm_state_locate()
714 &x->props.saddr, in __xfrm_state_locate()
715 x->id.proto, family); in __xfrm_state_locate()
726 static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x, in xfrm_state_look_at() argument
742 if (x->km.state == XFRM_STATE_VALID) { in xfrm_state_look_at()
743 if ((x->sel.family && in xfrm_state_look_at()
744 !xfrm_selector_match(&x->sel, fl, x->sel.family)) || in xfrm_state_look_at()
745 !security_xfrm_state_pol_flow_match(x, pol, fl)) in xfrm_state_look_at()
749 (*best)->km.dying > x->km.dying || in xfrm_state_look_at()
750 ((*best)->km.dying == x->km.dying && in xfrm_state_look_at()
751 (*best)->curlft.add_time < x->curlft.add_time)) in xfrm_state_look_at()
752 *best = x; in xfrm_state_look_at()
753 } else if (x->km.state == XFRM_STATE_ACQ) { in xfrm_state_look_at()
755 } else if (x->km.state == XFRM_STATE_ERROR || in xfrm_state_look_at()
756 x->km.state == XFRM_STATE_EXPIRED) { in xfrm_state_look_at()
757 if (xfrm_selector_match(&x->sel, fl, x->sel.family) && in xfrm_state_look_at()
758 security_xfrm_state_pol_flow_match(x, pol, fl)) in xfrm_state_look_at()
772 struct xfrm_state *x, *x0, *to_put; in xfrm_state_find() local
784 hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { in xfrm_state_find()
785 if (x->props.family == encap_family && in xfrm_state_find()
786 x->props.reqid == tmpl->reqid && in xfrm_state_find()
787 (mark & x->mark.m) == x->mark.v && in xfrm_state_find()
788 !(x->props.flags & XFRM_STATE_WILDRECV) && in xfrm_state_find()
789 xfrm_state_addr_check(x, daddr, saddr, encap_family) && in xfrm_state_find()
790 tmpl->mode == x->props.mode && in xfrm_state_find()
791 tmpl->id.proto == x->id.proto && in xfrm_state_find()
792 (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) in xfrm_state_find()
793 xfrm_state_look_at(pol, x, fl, encap_family, in xfrm_state_find()
800 hlist_for_each_entry(x, net->xfrm.state_bydst+h_wildcard, bydst) { in xfrm_state_find()
801 if (x->props.family == encap_family && in xfrm_state_find()
802 x->props.reqid == tmpl->reqid && in xfrm_state_find()
803 (mark & x->mark.m) == x->mark.v && in xfrm_state_find()
804 !(x->props.flags & XFRM_STATE_WILDRECV) && in xfrm_state_find()
805 xfrm_addr_equal(&x->id.daddr, daddr, encap_family) && in xfrm_state_find()
806 tmpl->mode == x->props.mode && in xfrm_state_find()
807 tmpl->id.proto == x->id.proto && in xfrm_state_find()
808 (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) in xfrm_state_find()
809 xfrm_state_look_at(pol, x, fl, encap_family, in xfrm_state_find()
814 x = best; in xfrm_state_find()
815 if (!x && !error && !acquire_in_progress) { in xfrm_state_find()
834 x = xfrm_state_alloc(net); in xfrm_state_find()
835 if (x == NULL) { in xfrm_state_find()
841 xfrm_init_tempstate(x, fl, tmpl, daddr, saddr, family); in xfrm_state_find()
842 memcpy(&x->mark, &pol->mark, sizeof(x->mark)); in xfrm_state_find()
844 error = security_xfrm_state_alloc_acquire(x, pol->security, fl->flowi_secid); in xfrm_state_find()
846 x->km.state = XFRM_STATE_DEAD; in xfrm_state_find()
847 to_put = x; in xfrm_state_find()
848 x = NULL; in xfrm_state_find()
852 if (km_query(x, tmpl, pol) == 0) { in xfrm_state_find()
853 x->km.state = XFRM_STATE_ACQ; in xfrm_state_find()
854 list_add(&x->km.all, &net->xfrm.state_all); in xfrm_state_find()
855 hlist_add_head(&x->bydst, net->xfrm.state_bydst+h); in xfrm_state_find()
857 hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h); in xfrm_state_find()
858 if (x->id.spi) { in xfrm_state_find()
859 h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, encap_family); in xfrm_state_find()
860 hlist_add_head(&x->byspi, net->xfrm.state_byspi+h); in xfrm_state_find()
862 x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires; in xfrm_state_find()
863 tasklet_hrtimer_start(&x->mtimer, ktime_set(net->xfrm.sysctl_acq_expires, 0), HRTIMER_MODE_REL); in xfrm_state_find()
865 xfrm_hash_grow_check(net, x->bydst.next != NULL); in xfrm_state_find()
867 x->km.state = XFRM_STATE_DEAD; in xfrm_state_find()
868 to_put = x; in xfrm_state_find()
869 x = NULL; in xfrm_state_find()
874 if (x) in xfrm_state_find()
875 xfrm_state_hold(x); in xfrm_state_find()
881 return x; in xfrm_state_find()
890 struct xfrm_state *rx = NULL, *x = NULL; in xfrm_stateonly_find() local
894 hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { in xfrm_stateonly_find()
895 if (x->props.family == family && in xfrm_stateonly_find()
896 x->props.reqid == reqid && in xfrm_stateonly_find()
897 (mark & x->mark.m) == x->mark.v && in xfrm_stateonly_find()
898 !(x->props.flags & XFRM_STATE_WILDRECV) && in xfrm_stateonly_find()
899 xfrm_state_addr_check(x, daddr, saddr, family) && in xfrm_stateonly_find()
900 mode == x->props.mode && in xfrm_stateonly_find()
901 proto == x->id.proto && in xfrm_stateonly_find()
902 x->km.state == XFRM_STATE_VALID) { in xfrm_stateonly_find()
903 rx = x; in xfrm_stateonly_find()
920 struct xfrm_state *x; in xfrm_state_lookup_byspi() local
925 x = container_of(w, struct xfrm_state, km); in xfrm_state_lookup_byspi()
926 if (x->props.family != family || in xfrm_state_lookup_byspi()
927 x->id.spi != spi) in xfrm_state_lookup_byspi()
931 xfrm_state_hold(x); in xfrm_state_lookup_byspi()
932 return x; in xfrm_state_lookup_byspi()
939 static void __xfrm_state_insert(struct xfrm_state *x) in __xfrm_state_insert() argument
941 struct net *net = xs_net(x); in __xfrm_state_insert()
944 list_add(&x->km.all, &net->xfrm.state_all); in __xfrm_state_insert()
946 h = xfrm_dst_hash(net, &x->id.daddr, &x->props.saddr, in __xfrm_state_insert()
947 x->props.reqid, x->props.family); in __xfrm_state_insert()
948 hlist_add_head(&x->bydst, net->xfrm.state_bydst+h); in __xfrm_state_insert()
950 h = xfrm_src_hash(net, &x->id.daddr, &x->props.saddr, x->props.family); in __xfrm_state_insert()
951 hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h); in __xfrm_state_insert()
953 if (x->id.spi) { in __xfrm_state_insert()
954 h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, in __xfrm_state_insert()
955 x->props.family); in __xfrm_state_insert()
957 hlist_add_head(&x->byspi, net->xfrm.state_byspi+h); in __xfrm_state_insert()
960 tasklet_hrtimer_start(&x->mtimer, ktime_set(1, 0), HRTIMER_MODE_REL); in __xfrm_state_insert()
961 if (x->replay_maxage) in __xfrm_state_insert()
962 mod_timer(&x->rtimer, jiffies + x->replay_maxage); in __xfrm_state_insert()
966 xfrm_hash_grow_check(net, x->bydst.next != NULL); in __xfrm_state_insert()
975 struct xfrm_state *x; in __xfrm_state_bump_genids() local
980 hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { in __xfrm_state_bump_genids()
981 if (x->props.family == family && in __xfrm_state_bump_genids()
982 x->props.reqid == reqid && in __xfrm_state_bump_genids()
983 (mark & x->mark.m) == x->mark.v && in __xfrm_state_bump_genids()
984 xfrm_addr_equal(&x->id.daddr, &xnew->id.daddr, family) && in __xfrm_state_bump_genids()
985 xfrm_addr_equal(&x->props.saddr, &xnew->props.saddr, family)) in __xfrm_state_bump_genids()
986 x->genid++; in __xfrm_state_bump_genids()
990 void xfrm_state_insert(struct xfrm_state *x) in xfrm_state_insert() argument
992 struct net *net = xs_net(x); in xfrm_state_insert()
995 __xfrm_state_bump_genids(x); in xfrm_state_insert()
996 __xfrm_state_insert(x); in xfrm_state_insert()
1011 struct xfrm_state *x; in __find_acq_core() local
1014 hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { in __find_acq_core()
1015 if (x->props.reqid != reqid || in __find_acq_core()
1016 x->props.mode != mode || in __find_acq_core()
1017 x->props.family != family || in __find_acq_core()
1018 x->km.state != XFRM_STATE_ACQ || in __find_acq_core()
1019 x->id.spi != 0 || in __find_acq_core()
1020 x->id.proto != proto || in __find_acq_core()
1021 (mark & x->mark.m) != x->mark.v || in __find_acq_core()
1022 !xfrm_addr_equal(&x->id.daddr, daddr, family) || in __find_acq_core()
1023 !xfrm_addr_equal(&x->props.saddr, saddr, family)) in __find_acq_core()
1026 xfrm_state_hold(x); in __find_acq_core()
1027 return x; in __find_acq_core()
1033 x = xfrm_state_alloc(net); in __find_acq_core()
1034 if (likely(x)) { in __find_acq_core()
1037 x->sel.daddr.a4 = daddr->a4; in __find_acq_core()
1038 x->sel.saddr.a4 = saddr->a4; in __find_acq_core()
1039 x->sel.prefixlen_d = 32; in __find_acq_core()
1040 x->sel.prefixlen_s = 32; in __find_acq_core()
1041 x->props.saddr.a4 = saddr->a4; in __find_acq_core()
1042 x->id.daddr.a4 = daddr->a4; in __find_acq_core()
1046 *(struct in6_addr *)x->sel.daddr.a6 = *(struct in6_addr *)daddr; in __find_acq_core()
1047 *(struct in6_addr *)x->sel.saddr.a6 = *(struct in6_addr *)saddr; in __find_acq_core()
1048 x->sel.prefixlen_d = 128; in __find_acq_core()
1049 x->sel.prefixlen_s = 128; in __find_acq_core()
1050 *(struct in6_addr *)x->props.saddr.a6 = *(struct in6_addr *)saddr; in __find_acq_core()
1051 *(struct in6_addr *)x->id.daddr.a6 = *(struct in6_addr *)daddr; in __find_acq_core()
1055 x->km.state = XFRM_STATE_ACQ; in __find_acq_core()
1056 x->id.proto = proto; in __find_acq_core()
1057 x->props.family = family; in __find_acq_core()
1058 x->props.mode = mode; in __find_acq_core()
1059 x->props.reqid = reqid; in __find_acq_core()
1060 x->mark.v = m->v; in __find_acq_core()
1061 x->mark.m = m->m; in __find_acq_core()
1062 x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires; in __find_acq_core()
1063 xfrm_state_hold(x); in __find_acq_core()
1064 tasklet_hrtimer_start(&x->mtimer, ktime_set(net->xfrm.sysctl_acq_expires, 0), HRTIMER_MODE_REL); in __find_acq_core()
1065 list_add(&x->km.all, &net->xfrm.state_all); in __find_acq_core()
1066 hlist_add_head(&x->bydst, net->xfrm.state_bydst+h); in __find_acq_core()
1068 hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h); in __find_acq_core()
1072 xfrm_hash_grow_check(net, x->bydst.next != NULL); in __find_acq_core()
1075 return x; in __find_acq_core()
1080 int xfrm_state_add(struct xfrm_state *x) in xfrm_state_add() argument
1082 struct net *net = xs_net(x); in xfrm_state_add()
1086 u32 mark = x->mark.v & x->mark.m; in xfrm_state_add()
1087 int use_spi = xfrm_id_proto_match(x->id.proto, IPSEC_PROTO_ANY); in xfrm_state_add()
1089 family = x->props.family; in xfrm_state_add()
1095 x1 = __xfrm_state_locate(x, use_spi, family); in xfrm_state_add()
1103 if (use_spi && x->km.seq) { in xfrm_state_add()
1104 x1 = __xfrm_find_acq_byseq(net, mark, x->km.seq); in xfrm_state_add()
1105 if (x1 && ((x1->id.proto != x->id.proto) || in xfrm_state_add()
1106 !xfrm_addr_equal(&x1->id.daddr, &x->id.daddr, family))) { in xfrm_state_add()
1113 x1 = __find_acq_core(net, &x->mark, family, x->props.mode, in xfrm_state_add()
1114 x->props.reqid, x->id.proto, in xfrm_state_add()
1115 &x->id.daddr, &x->props.saddr, 0); in xfrm_state_add()
1117 __xfrm_state_bump_genids(x); in xfrm_state_add()
1118 __xfrm_state_insert(x); in xfrm_state_add()
1140 struct xfrm_state *x = xfrm_state_alloc(net); in xfrm_state_clone() local
1141 if (!x) in xfrm_state_clone()
1144 memcpy(&x->id, &orig->id, sizeof(x->id)); in xfrm_state_clone()
1145 memcpy(&x->sel, &orig->sel, sizeof(x->sel)); in xfrm_state_clone()
1146 memcpy(&x->lft, &orig->lft, sizeof(x->lft)); in xfrm_state_clone()
1147 x->props.mode = orig->props.mode; in xfrm_state_clone()
1148 x->props.replay_window = orig->props.replay_window; in xfrm_state_clone()
1149 x->props.reqid = orig->props.reqid; in xfrm_state_clone()
1150 x->props.family = orig->props.family; in xfrm_state_clone()
1151 x->props.saddr = orig->props.saddr; in xfrm_state_clone()
1154 x->aalg = xfrm_algo_auth_clone(orig->aalg); in xfrm_state_clone()
1155 if (!x->aalg) in xfrm_state_clone()
1158 x->props.aalgo = orig->props.aalgo; in xfrm_state_clone()
1161 x->aead = xfrm_algo_aead_clone(orig->aead); in xfrm_state_clone()
1162 if (!x->aead) in xfrm_state_clone()
1166 x->ealg = xfrm_algo_clone(orig->ealg); in xfrm_state_clone()
1167 if (!x->ealg) in xfrm_state_clone()
1170 x->props.ealgo = orig->props.ealgo; in xfrm_state_clone()
1173 x->calg = xfrm_algo_clone(orig->calg); in xfrm_state_clone()
1174 if (!x->calg) in xfrm_state_clone()
1177 x->props.calgo = orig->props.calgo; in xfrm_state_clone()
1180 x->encap = kmemdup(orig->encap, sizeof(*x->encap), GFP_KERNEL); in xfrm_state_clone()
1181 if (!x->encap) in xfrm_state_clone()
1186 x->coaddr = kmemdup(orig->coaddr, sizeof(*x->coaddr), in xfrm_state_clone()
1188 if (!x->coaddr) in xfrm_state_clone()
1193 if (xfrm_replay_clone(x, orig)) in xfrm_state_clone()
1197 memcpy(&x->mark, &orig->mark, sizeof(x->mark)); in xfrm_state_clone()
1199 if (xfrm_init_state(x) < 0) in xfrm_state_clone()
1202 x->props.flags = orig->props.flags; in xfrm_state_clone()
1203 x->props.extra_flags = orig->props.extra_flags; in xfrm_state_clone()
1205 x->tfcpad = orig->tfcpad; in xfrm_state_clone()
1206 x->replay_maxdiff = orig->replay_maxdiff; in xfrm_state_clone()
1207 x->replay_maxage = orig->replay_maxage; in xfrm_state_clone()
1208 x->curlft.add_time = orig->curlft.add_time; in xfrm_state_clone()
1209 x->km.state = orig->km.state; in xfrm_state_clone()
1210 x->km.seq = orig->km.seq; in xfrm_state_clone()
1212 return x; in xfrm_state_clone()
1215 xfrm_state_put(x); in xfrm_state_clone()
1223 struct xfrm_state *x = NULL; in xfrm_migrate_state_find() local
1230 hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { in xfrm_migrate_state_find()
1231 if (x->props.mode != m->mode || in xfrm_migrate_state_find()
1232 x->id.proto != m->proto) in xfrm_migrate_state_find()
1234 if (m->reqid && x->props.reqid != m->reqid) in xfrm_migrate_state_find()
1236 if (!xfrm_addr_equal(&x->id.daddr, &m->old_daddr, in xfrm_migrate_state_find()
1238 !xfrm_addr_equal(&x->props.saddr, &m->old_saddr, in xfrm_migrate_state_find()
1241 xfrm_state_hold(x); in xfrm_migrate_state_find()
1247 hlist_for_each_entry(x, net->xfrm.state_bysrc+h, bysrc) { in xfrm_migrate_state_find()
1248 if (x->props.mode != m->mode || in xfrm_migrate_state_find()
1249 x->id.proto != m->proto) in xfrm_migrate_state_find()
1251 if (!xfrm_addr_equal(&x->id.daddr, &m->old_daddr, in xfrm_migrate_state_find()
1253 !xfrm_addr_equal(&x->props.saddr, &m->old_saddr, in xfrm_migrate_state_find()
1256 xfrm_state_hold(x); in xfrm_migrate_state_find()
1263 return x; in xfrm_migrate_state_find()
1267 struct xfrm_state *xfrm_state_migrate(struct xfrm_state *x, in xfrm_state_migrate() argument
1272 xc = xfrm_state_clone(x); in xfrm_state_migrate()
1280 if (xfrm_addr_equal(&x->id.daddr, &m->new_daddr, m->new_family)) { in xfrm_state_migrate()
1297 int xfrm_state_update(struct xfrm_state *x) in xfrm_state_update() argument
1301 int use_spi = xfrm_id_proto_match(x->id.proto, IPSEC_PROTO_ANY); in xfrm_state_update()
1302 struct net *net = xs_net(x); in xfrm_state_update()
1307 x1 = __xfrm_state_locate(x, use_spi, x->props.family); in xfrm_state_update()
1320 __xfrm_state_insert(x); in xfrm_state_update()
1321 x = NULL; in xfrm_state_update()
1334 if (!x) { in xfrm_state_update()
1343 if (x->encap && x1->encap) in xfrm_state_update()
1344 memcpy(x1->encap, x->encap, sizeof(*x1->encap)); in xfrm_state_update()
1345 if (x->coaddr && x1->coaddr) { in xfrm_state_update()
1346 memcpy(x1->coaddr, x->coaddr, sizeof(*x1->coaddr)); in xfrm_state_update()
1348 if (!use_spi && memcmp(&x1->sel, &x->sel, sizeof(x1->sel))) in xfrm_state_update()
1349 memcpy(&x1->sel, &x->sel, sizeof(x1->sel)); in xfrm_state_update()
1350 memcpy(&x1->lft, &x->lft, sizeof(x1->lft)); in xfrm_state_update()
1358 x->km.state = XFRM_STATE_DEAD; in xfrm_state_update()
1359 __xfrm_state_put(x); in xfrm_state_update()
1369 int xfrm_state_check_expire(struct xfrm_state *x) in xfrm_state_check_expire() argument
1371 if (!x->curlft.use_time) in xfrm_state_check_expire()
1372 x->curlft.use_time = get_seconds(); in xfrm_state_check_expire()
1374 if (x->curlft.bytes >= x->lft.hard_byte_limit || in xfrm_state_check_expire()
1375 x->curlft.packets >= x->lft.hard_packet_limit) { in xfrm_state_check_expire()
1376 x->km.state = XFRM_STATE_EXPIRED; in xfrm_state_check_expire()
1377 tasklet_hrtimer_start(&x->mtimer, ktime_set(0, 0), HRTIMER_MODE_REL); in xfrm_state_check_expire()
1381 if (!x->km.dying && in xfrm_state_check_expire()
1382 (x->curlft.bytes >= x->lft.soft_byte_limit || in xfrm_state_check_expire()
1383 x->curlft.packets >= x->lft.soft_packet_limit)) { in xfrm_state_check_expire()
1384 x->km.dying = 1; in xfrm_state_check_expire()
1385 km_state_expired(x, 0, 0); in xfrm_state_check_expire()
1395 struct xfrm_state *x; in xfrm_state_lookup() local
1398 x = __xfrm_state_lookup(net, mark, daddr, spi, proto, family); in xfrm_state_lookup()
1400 return x; in xfrm_state_lookup()
1409 struct xfrm_state *x; in xfrm_state_lookup_byaddr() local
1412 x = __xfrm_state_lookup_byaddr(net, mark, daddr, saddr, proto, family); in xfrm_state_lookup_byaddr()
1414 return x; in xfrm_state_lookup_byaddr()
1423 struct xfrm_state *x; in xfrm_find_acq() local
1426 x = __find_acq_core(net, mark, family, mode, reqid, proto, daddr, saddr, create); in xfrm_find_acq()
1429 return x; in xfrm_find_acq()
1480 struct xfrm_state *x; in __xfrm_find_acq_byseq() local
1482 hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) { in __xfrm_find_acq_byseq()
1483 if (x->km.seq == seq && in __xfrm_find_acq_byseq()
1484 (mark & x->mark.m) == x->mark.v && in __xfrm_find_acq_byseq()
1485 x->km.state == XFRM_STATE_ACQ) { in __xfrm_find_acq_byseq()
1486 xfrm_state_hold(x); in __xfrm_find_acq_byseq()
1487 return x; in __xfrm_find_acq_byseq()
1496 struct xfrm_state *x; in xfrm_find_acq_byseq() local
1499 x = __xfrm_find_acq_byseq(net, mark, seq); in xfrm_find_acq_byseq()
1501 return x; in xfrm_find_acq_byseq()
1542 int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) in xfrm_alloc_spi() argument
1544 struct net *net = xs_net(x); in xfrm_alloc_spi()
1550 u32 mark = x->mark.v & x->mark.m; in xfrm_alloc_spi()
1552 spin_lock_bh(&x->lock); in xfrm_alloc_spi()
1553 if (x->km.state == XFRM_STATE_DEAD) in xfrm_alloc_spi()
1557 if (x->id.spi) in xfrm_alloc_spi()
1563 x0 = xfrm_state_lookup(net, mark, &x->id.daddr, minspi, x->id.proto, x->props.family); in xfrm_alloc_spi()
1568 x->id.spi = minspi; in xfrm_alloc_spi()
1573 x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family); in xfrm_alloc_spi()
1575 x->id.spi = htonl(spi); in xfrm_alloc_spi()
1581 if (x->id.spi) { in xfrm_alloc_spi()
1583 h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family); in xfrm_alloc_spi()
1584 hlist_add_head(&x->byspi, net->xfrm.state_byspi+h); in xfrm_alloc_spi()
1591 spin_unlock_bh(&x->lock); in xfrm_alloc_spi()
1597 static bool __xfrm_state_filter_match(struct xfrm_state *x, in __xfrm_state_filter_match() argument
1603 x->props.family != filter->family) in __xfrm_state_filter_match()
1606 return addr_match(&x->props.saddr, &filter->saddr, in __xfrm_state_filter_match()
1608 addr_match(&x->id.daddr, &filter->daddr, in __xfrm_state_filter_match()
1619 struct xfrm_state_walk *x; in xfrm_state_walk() local
1627 x = list_first_entry(&net->xfrm.state_all, struct xfrm_state_walk, all); in xfrm_state_walk()
1629 x = list_entry(&walk->all, struct xfrm_state_walk, all); in xfrm_state_walk()
1630 list_for_each_entry_from(x, &net->xfrm.state_all, all) { in xfrm_state_walk()
1631 if (x->state == XFRM_STATE_DEAD) in xfrm_state_walk()
1633 state = container_of(x, struct xfrm_state, km); in xfrm_state_walk()
1640 list_move_tail(&walk->all, &x->all); in xfrm_state_walk()
1682 struct xfrm_state *x = (struct xfrm_state *)data; in xfrm_replay_timer_handler() local
1684 spin_lock(&x->lock); in xfrm_replay_timer_handler()
1686 if (x->km.state == XFRM_STATE_VALID) { in xfrm_replay_timer_handler()
1687 if (xfrm_aevent_is_on(xs_net(x))) in xfrm_replay_timer_handler()
1688 x->repl->notify(x, XFRM_REPLAY_TIMEOUT); in xfrm_replay_timer_handler()
1690 x->xflags |= XFRM_TIME_DEFER; in xfrm_replay_timer_handler()
1693 spin_unlock(&x->lock); in xfrm_replay_timer_handler()
1709 void km_state_notify(struct xfrm_state *x, const struct km_event *c) in km_state_notify() argument
1715 km->notify(x, c); in km_state_notify()
1722 void km_state_expired(struct xfrm_state *x, int hard, u32 portid) in km_state_expired() argument
1729 km_state_notify(x, &c); in km_state_expired()
1737 int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol) in km_query() argument
1744 acqret = km->acquire(x, t, pol); in km_query()
1753 int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport) in km_new_mapping() argument
1761 err = km->new_mapping(x, ipaddr, sport); in km_new_mapping()
1965 void xfrm_state_delete_tunnel(struct xfrm_state *x) in xfrm_state_delete_tunnel() argument
1967 if (x->tunnel) { in xfrm_state_delete_tunnel()
1968 struct xfrm_state *t = x->tunnel; in xfrm_state_delete_tunnel()
1974 x->tunnel = NULL; in xfrm_state_delete_tunnel()
1979 int xfrm_state_mtu(struct xfrm_state *x, int mtu) in xfrm_state_mtu() argument
1983 spin_lock_bh(&x->lock); in xfrm_state_mtu()
1984 if (x->km.state == XFRM_STATE_VALID && in xfrm_state_mtu()
1985 x->type && x->type->get_mtu) in xfrm_state_mtu()
1986 res = x->type->get_mtu(x, mtu); in xfrm_state_mtu()
1988 res = mtu - x->props.header_len; in xfrm_state_mtu()
1989 spin_unlock_bh(&x->lock); in xfrm_state_mtu()
1993 int __xfrm_init_state(struct xfrm_state *x, bool init_replay) in __xfrm_init_state() argument
1997 int family = x->props.family; in __xfrm_init_state()
2007 err = afinfo->init_flags(x); in __xfrm_init_state()
2016 if (x->sel.family != AF_UNSPEC) { in __xfrm_init_state()
2017 inner_mode = xfrm_get_mode(x->props.mode, x->sel.family); in __xfrm_init_state()
2022 family != x->sel.family) { in __xfrm_init_state()
2027 x->inner_mode = inner_mode; in __xfrm_init_state()
2032 inner_mode = xfrm_get_mode(x->props.mode, x->props.family); in __xfrm_init_state()
2040 x->inner_mode = inner_mode; in __xfrm_init_state()
2042 if (x->props.family == AF_INET) in __xfrm_init_state()
2045 inner_mode_iaf = xfrm_get_mode(x->props.mode, iafamily); in __xfrm_init_state()
2048 x->inner_mode_iaf = inner_mode_iaf; in __xfrm_init_state()
2054 x->type = xfrm_get_type(x->id.proto, family); in __xfrm_init_state()
2055 if (x->type == NULL) in __xfrm_init_state()
2058 err = x->type->init_state(x); in __xfrm_init_state()
2062 x->outer_mode = xfrm_get_mode(x->props.mode, family); in __xfrm_init_state()
2063 if (x->outer_mode == NULL) { in __xfrm_init_state()
2069 err = xfrm_init_replay(x); in __xfrm_init_state()
2074 x->km.state = XFRM_STATE_VALID; in __xfrm_init_state()
2082 int xfrm_init_state(struct xfrm_state *x) in xfrm_init_state() argument
2084 return __xfrm_init_state(x, true); in xfrm_init_state()
2143 static void xfrm_audit_helper_sainfo(struct xfrm_state *x, in xfrm_audit_helper_sainfo() argument
2146 struct xfrm_sec_ctx *ctx = x->security; in xfrm_audit_helper_sainfo()
2147 u32 spi = ntohl(x->id.spi); in xfrm_audit_helper_sainfo()
2153 switch (x->props.family) { in xfrm_audit_helper_sainfo()
2156 &x->props.saddr.a4, &x->id.daddr.a4); in xfrm_audit_helper_sainfo()
2160 x->props.saddr.a6, x->id.daddr.a6); in xfrm_audit_helper_sainfo()
2191 void xfrm_audit_state_add(struct xfrm_state *x, int result, bool task_valid) in xfrm_audit_state_add() argument
2199 xfrm_audit_helper_sainfo(x, audit_buf); in xfrm_audit_state_add()
2205 void xfrm_audit_state_delete(struct xfrm_state *x, int result, bool task_valid) in xfrm_audit_state_delete() argument
2213 xfrm_audit_helper_sainfo(x, audit_buf); in xfrm_audit_state_delete()
2219 void xfrm_audit_state_replay_overflow(struct xfrm_state *x, in xfrm_audit_state_replay_overflow() argument
2228 xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf); in xfrm_audit_state_replay_overflow()
2231 spi = ntohl(x->id.spi); in xfrm_audit_state_replay_overflow()
2237 void xfrm_audit_state_replay(struct xfrm_state *x, in xfrm_audit_state_replay() argument
2246 xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf); in xfrm_audit_state_replay()
2247 spi = ntohl(x->id.spi); in xfrm_audit_state_replay()
2283 void xfrm_audit_state_icvfail(struct xfrm_state *x, in xfrm_audit_state_icvfail() argument
2293 xfrm_audit_helper_pktinfo(skb, x->props.family, audit_buf); in xfrm_audit_state_icvfail()