46 static void set_local_port_range(struct net *net, int range[2])  in set_local_port_range()  argument
48 	write_seqlock_bh(&net->ipv4.ip_local_ports.lock);  in set_local_port_range()
49 	net->ipv4.ip_local_ports.range[0] = range[0];  in set_local_port_range()
50 	net->ipv4.ip_local_ports.range[1] = range[1];  in set_local_port_range()
51 	write_sequnlock_bh(&net->ipv4.ip_local_ports.lock);  in set_local_port_range()
59 	struct net *net =  in ipv4_local_port_range()  local
60 		container_of(table->data, struct net, ipv4.ip_local_ports.range);  in ipv4_local_port_range()
71 	inet_get_local_port_range(net, &range[0], &range[1]);  in ipv4_local_port_range()
79 			set_local_port_range(net, range);  in ipv4_local_port_range()
89 	struct net *net =  in inet_get_ping_group_range_table()  local
90 		container_of(table->data, struct net, ipv4.ping_group_range.range);  in inet_get_ping_group_range_table()
93 		seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);  in inet_get_ping_group_range_table()
97 	} while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));  in inet_get_ping_group_range_table()
104 	struct net *net =  in set_ping_group_range()  local
105 		container_of(table->data, struct net, ipv4.ping_group_range.range);  in set_ping_group_range()
106 	write_seqlock(&net->ipv4.ip_local_ports.lock);  in set_ping_group_range()
109 	write_sequnlock(&net->ipv4.ip_local_ports.lock);  in set_ping_group_range()
903 static __net_init int ipv4_sysctl_init_net(struct net *net)  in ipv4_sysctl_init_net()  argument
908 	if (!net_eq(net, &init_net)) {  in ipv4_sysctl_init_net()
917 			table[i].data += (void *)net - (void *)&init_net;  in ipv4_sysctl_init_net()
920 	net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);  in ipv4_sysctl_init_net()
921 	if (!net->ipv4.ipv4_hdr)  in ipv4_sysctl_init_net()
924 	net->ipv4.sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);  in ipv4_sysctl_init_net()
925 	if (!net->ipv4.sysctl_local_reserved_ports)  in ipv4_sysctl_init_net()
931 	unregister_net_sysctl_table(net->ipv4.ipv4_hdr);  in ipv4_sysctl_init_net()
933 	if (!net_eq(net, &init_net))  in ipv4_sysctl_init_net()
939 static __net_exit void ipv4_sysctl_exit_net(struct net *net)  in ipv4_sysctl_exit_net()  argument
943 	kfree(net->ipv4.sysctl_local_reserved_ports);  in ipv4_sysctl_exit_net()
944 	table = net->ipv4.ipv4_hdr->ctl_table_arg;  in ipv4_sysctl_exit_net()
945 	unregister_net_sysctl_table(net->ipv4.ipv4_hdr);  in ipv4_sysctl_exit_net()