528 static struct xfrm_state *xfrm_state_construct(struct net *net,  in xfrm_state_construct()  argument
533 	struct xfrm_state *x = xfrm_state_alloc(net);  in xfrm_state_construct()
593 	x->replay_maxdiff = net->xfrm.sysctl_aevent_rseqth;  in xfrm_state_construct()
595 	x->replay_maxage = (net->xfrm.sysctl_aevent_etime*HZ)/XFRM_AE_ETH_M;  in xfrm_state_construct()
616 	struct net *net = sock_net(skb->sk);  in xfrm_add_sa()  local
626 	x = xfrm_state_construct(net, p, attrs, &err);  in xfrm_add_sa()
654 static struct xfrm_state *xfrm_user_state_lookup(struct net *net,  in xfrm_user_state_lookup()  argument
666 		x = xfrm_state_lookup(net, mark, &p->daddr, p->spi, p->proto, p->family);  in xfrm_user_state_lookup()
677 		x = xfrm_state_lookup_byaddr(net, mark,  in xfrm_user_state_lookup()
691 	struct net *net = sock_net(skb->sk);  in xfrm_del_sa()  local
697 	x = xfrm_user_state_lookup(net, p, attrs, &err);  in xfrm_del_sa()
896 	struct net *net = sock_net(sk);  in xfrm_dump_sa_done()  local
898 	xfrm_state_walk_done(walk, net);  in xfrm_dump_sa_done()
905 	struct net *net = sock_net(skb->sk);  in xfrm_dump_sa()  local
943 	(void) xfrm_state_walk(net, walk, dump_one_state, &info);  in xfrm_dump_sa()
976 static inline int xfrm_nlmsg_multicast(struct net *net, struct sk_buff *skb,  in xfrm_nlmsg_multicast()  argument
979 	struct sock *nlsk = rcu_dereference(net->xfrm.nlsk);  in xfrm_nlmsg_multicast()
996 static int build_spdinfo(struct sk_buff *skb, struct net *net,  in build_spdinfo()  argument
1014 	xfrm_spd_getinfo(net, &si);  in build_spdinfo()
1025 		lseq = read_seqbegin(&net->xfrm.policy_hthresh.lock);  in build_spdinfo()
1027 		spt4.lbits = net->xfrm.policy_hthresh.lbits4;  in build_spdinfo()
1028 		spt4.rbits = net->xfrm.policy_hthresh.rbits4;  in build_spdinfo()
1029 		spt6.lbits = net->xfrm.policy_hthresh.lbits6;  in build_spdinfo()
1030 		spt6.rbits = net->xfrm.policy_hthresh.rbits6;  in build_spdinfo()
1031 	} while (read_seqretry(&net->xfrm.policy_hthresh.lock, lseq));  in build_spdinfo()
1052 	struct net *net = sock_net(skb->sk);  in xfrm_set_spdinfo()  local
1077 		write_seqlock(&net->xfrm.policy_hthresh.lock);  in xfrm_set_spdinfo()
1079 			net->xfrm.policy_hthresh.lbits4 = thresh4->lbits;  in xfrm_set_spdinfo()
1080 			net->xfrm.policy_hthresh.rbits4 = thresh4->rbits;  in xfrm_set_spdinfo()
1083 			net->xfrm.policy_hthresh.lbits6 = thresh6->lbits;  in xfrm_set_spdinfo()
1084 			net->xfrm.policy_hthresh.rbits6 = thresh6->rbits;  in xfrm_set_spdinfo()
1086 		write_sequnlock(&net->xfrm.policy_hthresh.lock);  in xfrm_set_spdinfo()
1088 		xfrm_policy_hash_rebuild(net);  in xfrm_set_spdinfo()
1097 	struct net *net = sock_net(skb->sk);  in xfrm_get_spdinfo()  local
1107 	if (build_spdinfo(r_skb, net, sportid, seq, *flags) < 0)  in xfrm_get_spdinfo()
1110 	return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);  in xfrm_get_spdinfo()
1120 static int build_sadinfo(struct sk_buff *skb, struct net *net,  in build_sadinfo()  argument
1135 	xfrm_sad_getinfo(net, &si);  in build_sadinfo()
1155 	struct net *net = sock_net(skb->sk);  in xfrm_get_sadinfo()  local
1165 	if (build_sadinfo(r_skb, net, sportid, seq, *flags) < 0)  in xfrm_get_sadinfo()
1168 	return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);  in xfrm_get_sadinfo()
1174 	struct net *net = sock_net(skb->sk);  in xfrm_get_sa()  local
1180 	x = xfrm_user_state_lookup(net, p, attrs, &err);  in xfrm_get_sa()
1188 		err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid);  in xfrm_get_sa()
1198 	struct net *net = sock_net(skb->sk);  in xfrm_alloc_userspi()  local
1220 		x = xfrm_find_acq_byseq(net, mark, p->info.seq);  in xfrm_alloc_userspi()
1228 		x = xfrm_find_acq(net, &m, p->info.mode, p->info.reqid,  in xfrm_alloc_userspi()
1246 	err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid);  in xfrm_alloc_userspi()
1470 static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_userpolicy_info *p, s…  in xfrm_policy_construct()  argument
1472 	struct xfrm_policy *xp = xfrm_policy_alloc(net, GFP_KERNEL);  in xfrm_policy_construct()
1504 	struct net *net = sock_net(skb->sk);  in xfrm_add_policy()  local
1518 	xp = xfrm_policy_construct(net, p, attrs, &err);  in xfrm_add_policy()
1649 	struct net *net = sock_net(cb->skb->sk);  in xfrm_dump_policy_done()  local
1651 	xfrm_policy_walk_done(walk, net);  in xfrm_dump_policy_done()
1657 	struct net *net = sock_net(skb->sk);  in xfrm_dump_policy()  local
1674 	(void) xfrm_policy_walk(net, walk, dump_one_policy, &info);  in xfrm_dump_policy()
1708 	struct net *net = sock_net(skb->sk);  in xfrm_get_policy()  local
1730 		xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, delete, &err);  in xfrm_get_policy()
1747 		xp = xfrm_policy_bysel_ctx(net, mark, type, p->dir, &p->sel,  in xfrm_get_policy()
1761 			err = nlmsg_unicast(net->xfrm.nlsk, resp_skb,  in xfrm_get_policy()
1780 		xfrm_garbage_collect(net);  in xfrm_get_policy()
1787 	struct net *net = sock_net(skb->sk);  in xfrm_flush_sa()  local
1792 	err = xfrm_state_flush(net, p->proto, true);  in xfrm_flush_sa()
1802 	c.net = net;  in xfrm_flush_sa()
1881 	struct net *net = sock_net(skb->sk);  in xfrm_get_ae()  local
1893 	x = xfrm_state_lookup(net, mark, &id->daddr, id->spi, id->proto, id->family);  in xfrm_get_ae()
1915 	err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid);  in xfrm_get_ae()
1924 	struct net *net = sock_net(skb->sk);  in xfrm_new_ae()  local
1946 	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()
1975 	struct net *net = sock_net(skb->sk);  in xfrm_flush_policy()  local
1984 	err = xfrm_policy_flush(net, type, true);  in xfrm_flush_policy()
1995 	c.net = net;  in xfrm_flush_policy()
2003 	struct net *net = sock_net(skb->sk);  in xfrm_add_pol_expire()  local
2021 		xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, 0, &err);  in xfrm_add_pol_expire()
2038 		xp = xfrm_policy_bysel_ctx(net, mark, type, p->dir,  in xfrm_add_pol_expire()
2066 	struct net *net = sock_net(skb->sk);  in xfrm_add_sa_expire()  local
2074 	x = xfrm_state_lookup(net, mark, &p->id.daddr, p->id.spi, p->id.proto, p->family);  in xfrm_add_sa_expire()
2100 	struct net *net = sock_net(skb->sk);  in xfrm_add_acquire()  local
2108 	struct xfrm_state *x = xfrm_state_alloc(net);  in xfrm_add_acquire()
2121 	xp = xfrm_policy_construct(net, &ua->policy, attrs, &err);  in xfrm_add_acquire()
2210 	struct net *net = sock_net(skb->sk);  in xfrm_do_migrate()  local
2228 	xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net);  in xfrm_do_migrate()
2325 	struct net *net = &init_net;  in xfrm_send_migrate()  local
2336 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_MIGRATE);  in xfrm_send_migrate()
2446 	struct net *net = sock_net(skb->sk);  in xfrm_user_rcv_msg()  local
2478 			return netlink_dump_start(net->xfrm.nlsk, skb, nlh, &c);  in xfrm_user_rcv_msg()
2496 	struct net *net = sock_net(skb->sk);  in xfrm_netlink_rcv()  local
2498 	mutex_lock(&net->xfrm.xfrm_cfg_mutex);  in xfrm_netlink_rcv()
2500 	mutex_unlock(&net->xfrm.xfrm_cfg_mutex);  in xfrm_netlink_rcv()
2533 	struct net *net = xs_net(x);  in xfrm_exp_state_notify()  local
2545 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_EXPIRE);  in xfrm_exp_state_notify()
2550 	struct net *net = xs_net(x);  in xfrm_aevent_state_notify()  local
2560 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_AEVENTS);  in xfrm_aevent_state_notify()
2565 	struct net *net = c->net;  in xfrm_notify_sa_flush()  local
2586 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_SA);  in xfrm_notify_sa_flush()
2627 	struct net *net = xs_net(x);  in xfrm_notify_sa()  local
2675 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_SA);  in xfrm_notify_sa()
2757 	struct net *net = xs_net(x);  in xfrm_send_acquire()  local
2767 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_ACQUIRE);  in xfrm_send_acquire()
2776 	struct net *net = sock_net(sk);  in xfrm_compile_policy()  local
2815 	xp = xfrm_policy_alloc(net, GFP_ATOMIC);  in xfrm_compile_policy()
2872 	struct net *net = xp_net(xp);  in xfrm_exp_policy_notify()  local
2882 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_EXPIRE);  in xfrm_exp_policy_notify()
2888 	struct net *net = xp_net(xp);  in xfrm_notify_policy()  local
2944 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_POLICY);  in xfrm_notify_policy()
2953 	struct net *net = c->net;  in xfrm_notify_policy_flush()  local
2972 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_POLICY);  in xfrm_notify_policy_flush()
3030 static int xfrm_send_report(struct net *net, u8 proto,  in xfrm_send_report()  argument
3042 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_REPORT);  in xfrm_send_report()
3079 	struct net *net = xs_net(x);  in xfrm_send_mapping()  local
3095 	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_MAPPING);  in xfrm_send_mapping()
3100 	return (bool)xfrm_acquire_is_on(c->net);  in xfrm_is_alive()
3115 static int __net_init xfrm_user_net_init(struct net *net)  in xfrm_user_net_init()  argument
3123 	nlsk = netlink_kernel_create(net, NETLINK_XFRM, &cfg);  in xfrm_user_net_init()
3126 	net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */  in xfrm_user_net_init()
3127 	rcu_assign_pointer(net->xfrm.nlsk, nlsk);  in xfrm_user_net_init()
3133 	struct net *net;  in xfrm_user_net_exit()  local
3134 	list_for_each_entry(net, net_exit_list, exit_list)  in xfrm_user_net_exit()
3135 		RCU_INIT_POINTER(net->xfrm.nlsk, NULL);  in xfrm_user_net_exit()
3137 	list_for_each_entry(net, net_exit_list, exit_list)  in xfrm_user_net_exit()
3138 		netlink_kernel_release(net->xfrm.nlsk_stash);  in xfrm_user_net_exit()