90 int ip_frag_mem(struct net *net)  in ip_frag_mem()  argument
92 	return sum_frag_mem_limit(&net->ipv4.frags);  in ip_frag_mem()
135 	struct netns_ipv4 *ipv4 = container_of(q->net, struct netns_ipv4,  in ip4_frag_init()
137 	struct net *net = container_of(ipv4, struct net, ipv4);  in ip4_frag_init()  local
148 		inet_getpeer_v4(net->ipv4.peers, arg->iph->saddr, 1) : NULL;  in ip4_frag_init()
182 	struct net *net;  in ip_expire()  local
185 	net = container_of(qp->q.net, struct net, ipv4.frags);  in ip_expire()
193 	IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);  in ip_expire()
200 		IP_INC_STATS_BH(net, IPSTATS_MIB_REASMTIMEOUT);  in ip_expire()
206 		head->dev = dev_get_by_index_rcu(net, qp->iif);  in ip_expire()
239 static struct ipq *ip_find(struct net *net, struct iphdr *iph, u32 user)  in ip_find()  argument
250 	q = inet_frag_find(&net->ipv4.frags, &ip4_frags, &arg, hash);  in ip_find()
277 		struct net *net;  in ip_frag_too_far()  local
279 		net = container_of(qp->q.net, struct net, ipv4.frags);  in ip_frag_too_far()
280 		IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);  in ip_frag_too_far()
291 	if (!mod_timer(&qp->q.timer, jiffies + qp->q.net->timeout)) {  in ip_frag_reinit()
505 	struct net *net = container_of(qp->q.net, struct net, ipv4.frags);  in ip_frag_reasm()  local
619 	IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS);  in ip_frag_reasm()
631 	IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);  in ip_frag_reasm()
639 	struct net *net;  in ip_defrag()  local
641 	net = skb->dev ? dev_net(skb->dev) : dev_net(skb_dst(skb)->dev);  in ip_defrag()
642 	IP_INC_STATS_BH(net, IPSTATS_MIB_REASMREQDS);  in ip_defrag()
645 	qp = ip_find(net, ip_hdr(skb), user);  in ip_defrag()
658 	IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);  in ip_defrag()
754 static int __net_init ip4_frags_ns_ctl_register(struct net *net)  in ip4_frags_ns_ctl_register()  argument
760 	if (!net_eq(net, &init_net)) {  in ip4_frags_ns_ctl_register()
765 		table[0].data = &net->ipv4.frags.high_thresh;  in ip4_frags_ns_ctl_register()
766 		table[0].extra1 = &net->ipv4.frags.low_thresh;  in ip4_frags_ns_ctl_register()
768 		table[1].data = &net->ipv4.frags.low_thresh;  in ip4_frags_ns_ctl_register()
769 		table[1].extra2 = &net->ipv4.frags.high_thresh;  in ip4_frags_ns_ctl_register()
770 		table[2].data = &net->ipv4.frags.timeout;  in ip4_frags_ns_ctl_register()
773 		if (net->user_ns != &init_user_ns)  in ip4_frags_ns_ctl_register()
777 	hdr = register_net_sysctl(net, "net/ipv4", table);  in ip4_frags_ns_ctl_register()
781 	net->ipv4.frags_hdr = hdr;  in ip4_frags_ns_ctl_register()
785 	if (!net_eq(net, &init_net))  in ip4_frags_ns_ctl_register()
791 static void __net_exit ip4_frags_ns_ctl_unregister(struct net *net)  in ip4_frags_ns_ctl_unregister()  argument
795 	table = net->ipv4.frags_hdr->ctl_table_arg;  in ip4_frags_ns_ctl_unregister()
796 	unregister_net_sysctl_table(net->ipv4.frags_hdr);  in ip4_frags_ns_ctl_unregister()
805 static int ip4_frags_ns_ctl_register(struct net *net)  in ip4_frags_ns_ctl_register()  argument
810 static void ip4_frags_ns_ctl_unregister(struct net *net)  in ip4_frags_ns_ctl_unregister()  argument
819 static int __net_init ipv4_frags_init_net(struct net *net)  in ipv4_frags_init_net()  argument
835 	net->ipv4.frags.high_thresh = 4 * 1024 * 1024;  in ipv4_frags_init_net()
836 	net->ipv4.frags.low_thresh  = 3 * 1024 * 1024;  in ipv4_frags_init_net()
842 	net->ipv4.frags.timeout = IP_FRAG_TIME;  in ipv4_frags_init_net()
844 	inet_frags_init_net(&net->ipv4.frags);  in ipv4_frags_init_net()
846 	return ip4_frags_ns_ctl_register(net);  in ipv4_frags_init_net()
849 static void __net_exit ipv4_frags_exit_net(struct net *net)  in ipv4_frags_exit_net()  argument
851 	ip4_frags_ns_ctl_unregister(net);  in ipv4_frags_exit_net()
852 	inet_frags_exit_net(&net->ipv4.frags, &ip4_frags);  in ipv4_frags_exit_net()