502 static struct xfrm_state *xfrm_state_construct(struct net *net,  in xfrm_state_construct()  argument
507 	struct xfrm_state *x = xfrm_state_alloc(net);  in xfrm_state_construct()
570 	x->replay_maxdiff = net->xfrm.sysctl_aevent_rseqth;  in xfrm_state_construct()
572 	x->replay_maxage = (net->xfrm.sysctl_aevent_etime*HZ)/XFRM_AE_ETH_M;  in xfrm_state_construct()
593 	struct net *net = sock_net(skb->sk);  in xfrm_add_sa()  local
603 	x = xfrm_state_construct(net, p, attrs, &err);  in xfrm_add_sa()
631 static struct xfrm_state *xfrm_user_state_lookup(struct net *net,  in xfrm_user_state_lookup()  argument
643 		x = xfrm_state_lookup(net, mark, &p->daddr, p->spi, p->proto, p->family);  in xfrm_user_state_lookup()
654 		x = xfrm_state_lookup_byaddr(net, mark,  in xfrm_user_state_lookup()
668 	struct net *net = sock_net(skb->sk);  in xfrm_del_sa()  local
674 	x = xfrm_user_state_lookup(net, p, attrs, &err);  in xfrm_del_sa()
871 	struct net *net = sock_net(sk);  in xfrm_dump_sa_done()  local
873 	xfrm_state_walk_done(walk, net);  in xfrm_dump_sa_done()
880 	struct net *net = sock_net(skb->sk);  in xfrm_dump_sa()  local
920 	(void) xfrm_state_walk(net, walk, dump_one_state, &info);  in xfrm_dump_sa()
953 static inline int xfrm_nlmsg_multicast(struct net *net, struct sk_buff *skb,  in xfrm_nlmsg_multicast()  argument
956 	struct sock *nlsk = rcu_dereference(net->xfrm.nlsk);  in xfrm_nlmsg_multicast()
973 static int build_spdinfo(struct sk_buff *skb, struct net *net,  in build_spdinfo()  argument
991 	xfrm_spd_getinfo(net, &si);  in build_spdinfo()
1002 		lseq = read_seqbegin(&net->xfrm.policy_hthresh.lock);  in build_spdinfo()
1004 		spt4.lbits = net->xfrm.policy_hthresh.lbits4;  in build_spdinfo()
1005 		spt4.rbits = net->xfrm.policy_hthresh.rbits4;  in build_spdinfo()
1006 		spt6.lbits = net->xfrm.policy_hthresh.lbits6;  in build_spdinfo()
1007 		spt6.rbits = net->xfrm.policy_hthresh.rbits6;  in build_spdinfo()
1008 	} while (read_seqretry(&net->xfrm.policy_hthresh.lock, lseq));  in build_spdinfo()
1029 	struct net *net = sock_net(skb->sk);  in xfrm_set_spdinfo()  local
1054 		write_seqlock(&net->xfrm.policy_hthresh.lock);  in xfrm_set_spdinfo()
1056 			net->xfrm.policy_hthresh.lbits4 = thresh4->lbits;  in xfrm_set_spdinfo()
1057 			net->xfrm.policy_hthresh.rbits4 = thresh4->rbits;  in xfrm_set_spdinfo()
1060 			net->xfrm.policy_hthresh.lbits6 = thresh6->lbits;  in xfrm_set_spdinfo()
1061 			net->xfrm.policy_hthresh.rbits6 = thresh6->rbits;  in xfrm_set_spdinfo()
1063 		write_sequnlock(&net->xfrm.policy_hthresh.lock);  in xfrm_set_spdinfo()
1065 		xfrm_policy_hash_rebuild(net);  in xfrm_set_spdinfo()
1074 	struct net *net = sock_net(skb->sk);  in xfrm_get_spdinfo()  local
1084 	if (build_spdinfo(r_skb, net, sportid, seq, *flags) < 0)  in xfrm_get_spdinfo()
1087 	return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);  in xfrm_get_spdinfo()
1097 static int build_sadinfo(struct sk_buff *skb, struct net *net,  in build_sadinfo()  argument
1112 	xfrm_sad_getinfo(net, &si);  in build_sadinfo()
1132 	struct net *net = sock_net(skb->sk);  in xfrm_get_sadinfo()  local
1142 	if (build_sadinfo(r_skb, net, sportid, seq, *flags) < 0)  in xfrm_get_sadinfo()
1145 	return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);  in xfrm_get_sadinfo()
1151 	struct net *net = sock_net(skb->sk);  in xfrm_get_sa()  local
1157 	x = xfrm_user_state_lookup(net, p, attrs, &err);  in xfrm_get_sa()
1165 		err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid);  in xfrm_get_sa()
1175 	struct net *net = sock_net(skb->sk);  in xfrm_alloc_userspi()  local
1197 		x = xfrm_find_acq_byseq(net, mark, p->info.seq);  in xfrm_alloc_userspi()
1205 		x = xfrm_find_acq(net, &m, p->info.mode, p->info.reqid,  in xfrm_alloc_userspi()
1223 	err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid);  in xfrm_alloc_userspi()
1447 static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_userpolicy_info *p, s…  in xfrm_policy_construct()  argument
1449 	struct xfrm_policy *xp = xfrm_policy_alloc(net, GFP_KERNEL);  in xfrm_policy_construct()
1481 	struct net *net = sock_net(skb->sk);  in xfrm_add_policy()  local
1495 	xp = xfrm_policy_construct(net, p, attrs, &err);  in xfrm_add_policy()
1626 	struct net *net = sock_net(cb->skb->sk);  in xfrm_dump_policy_done()  local
1628 	xfrm_policy_walk_done(walk, net);  in xfrm_dump_policy_done()
1634 	struct net *net = sock_net(skb->sk);  in xfrm_dump_policy()  local
1651 	(void) xfrm_policy_walk(net, walk, dump_one_policy, &info);  in xfrm_dump_policy()
1685 	struct net *net = sock_net(skb->sk);  in xfrm_get_policy()  local
1707 		xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, delete, &err);  in xfrm_get_policy()
1724 		xp = xfrm_policy_bysel_ctx(net, mark, type, p->dir, &p->sel,  in xfrm_get_policy()
1738 			err = nlmsg_unicast(net->xfrm.nlsk, resp_skb,  in xfrm_get_policy()
1757 		xfrm_garbage_collect(net);  in xfrm_get_policy()
1764 	struct net *net = sock_net(skb->sk);  in xfrm_flush_sa()  local
1769 	err = xfrm_state_flush(net, p->proto, true);  in xfrm_flush_sa()
1779 	c.net = net;  in xfrm_flush_sa()
1858 	struct net *net = sock_net(skb->sk);  in xfrm_get_ae()  local
1870 	x = xfrm_state_lookup(net, mark, &id->daddr, id->spi, id->proto, id->family);  in xfrm_get_ae()
1892 	err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid);  in xfrm_get_ae()
1901 	struct net *net = sock_net(skb->sk);  in xfrm_new_ae()  local
1921 	x = xfrm_state_lookup(net, mark, &p->sa_id.daddr, p->sa_id.spi, p->sa_id.proto, p->sa_id.family);  in xfrm_new_ae()
1950 	struct net *net = sock_net(skb->sk);  in xfrm_flush_policy()  local
1959 	err = xfrm_policy_flush(net, type, true);  in xfrm_flush_policy()
1970 	c.net = net;  in xfrm_flush_policy()
1978 	struct net *net = sock_net(skb->sk);  in xfrm_add_pol_expire()  local
1996 		xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, 0, &err);  in xfrm_add_pol_expire()
2013 		xp = xfrm_policy_bysel_ctx(net, mark, type, p->dir,  in xfrm_add_pol_expire()
2041 	struct net *net = sock_net(skb->sk);  in xfrm_add_sa_expire()  local
2049 	x = xfrm_state_lookup(net, mark, &p->id.daddr, p->id.spi, p->id.proto, p->family);  in xfrm_add_sa_expire()
2075 	struct net *net = sock_net(skb->sk);  in xfrm_add_acquire()  local
2083 	struct xfrm_state *x = xfrm_state_alloc(net);  in xfrm_add_acquire()
2096 	xp = xfrm_policy_construct(net, &ua->policy, attrs, &err);  in xfrm_add_acquire()
2185 	struct net *net = sock_net(skb->sk);  in xfrm_do_migrate()  local
2203 	xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net);  in xfrm_do_migrate()
2300 	struct net *net = &init_net;  in xfrm_send_migrate()  local
2311 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_MIGRATE);  in xfrm_send_migrate()
2421 	struct net *net = sock_net(skb->sk);  in xfrm_user_rcv_msg()  local
2453 			return netlink_dump_start(net->xfrm.nlsk, skb, nlh, &c);  in xfrm_user_rcv_msg()
2471 	struct net *net = sock_net(skb->sk);  in xfrm_netlink_rcv()  local
2473 	mutex_lock(&net->xfrm.xfrm_cfg_mutex);  in xfrm_netlink_rcv()
2475 	mutex_unlock(&net->xfrm.xfrm_cfg_mutex);  in xfrm_netlink_rcv()
2508 	struct net *net = xs_net(x);  in xfrm_exp_state_notify()  local
2520 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_EXPIRE);  in xfrm_exp_state_notify()
2525 	struct net *net = xs_net(x);  in xfrm_aevent_state_notify()  local
2535 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_AEVENTS);  in xfrm_aevent_state_notify()
2540 	struct net *net = c->net;  in xfrm_notify_sa_flush()  local
2561 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_SA);  in xfrm_notify_sa_flush()
2602 	struct net *net = xs_net(x);  in xfrm_notify_sa()  local
2650 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_SA);  in xfrm_notify_sa()
2732 	struct net *net = xs_net(x);  in xfrm_send_acquire()  local
2742 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_ACQUIRE);  in xfrm_send_acquire()
2751 	struct net *net = sock_net(sk);  in xfrm_compile_policy()  local
2790 	xp = xfrm_policy_alloc(net, GFP_ATOMIC);  in xfrm_compile_policy()
2847 	struct net *net = xp_net(xp);  in xfrm_exp_policy_notify()  local
2857 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_EXPIRE);  in xfrm_exp_policy_notify()
2863 	struct net *net = xp_net(xp);  in xfrm_notify_policy()  local
2919 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_POLICY);  in xfrm_notify_policy()
2928 	struct net *net = c->net;  in xfrm_notify_policy_flush()  local
2947 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_POLICY);  in xfrm_notify_policy_flush()
3005 static int xfrm_send_report(struct net *net, u8 proto,  in xfrm_send_report()  argument
3017 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_REPORT);  in xfrm_send_report()
3054 	struct net *net = xs_net(x);  in xfrm_send_mapping()  local
3070 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_MAPPING);  in xfrm_send_mapping()
3075 	return (bool)xfrm_acquire_is_on(c->net);  in xfrm_is_alive()
3090 static int __net_init xfrm_user_net_init(struct net *net)  in xfrm_user_net_init()  argument
3098 	nlsk = netlink_kernel_create(net, NETLINK_XFRM, &cfg);  in xfrm_user_net_init()
3101 	net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */  in xfrm_user_net_init()
3102 	rcu_assign_pointer(net->xfrm.nlsk, nlsk);  in xfrm_user_net_init()
3108 	struct net *net;  in xfrm_user_net_exit()  local
3109 	list_for_each_entry(net, net_exit_list, exit_list)  in xfrm_user_net_exit()
3110 		RCU_INIT_POINTER(net->xfrm.nlsk, NULL);  in xfrm_user_net_exit()
3112 	list_for_each_entry(net, net_exit_list, exit_list)  in xfrm_user_net_exit()
3113 		netlink_kernel_release(net->xfrm.nlsk_stash);  in xfrm_user_net_exit()