3  * sysctl_net.c: sysctl interface to net subsystem.
6  * Added /proc/sys/net directories for each protocol family. [MS]
20 #include <net/sock.h>
23 #include <net/ip.h>
45 	struct net *net = container_of(head->set, struct net, sysctls);  in net_ctl_permissions()  local
48 	if (ns_capable_noaudit(net->user_ns, CAP_NET_ADMIN)) {  in net_ctl_permissions()
59 	struct net *net = container_of(head->set, struct net, sysctls);  in net_ctl_set_ownership()  local
63 	ns_root_uid = make_kuid(net->user_ns, 0);  in net_ctl_set_ownership()
67 	ns_root_gid = make_kgid(net->user_ns, 0);  in net_ctl_set_ownership()
78 static int __net_init sysctl_net_init(struct net *net)  in sysctl_net_init()  argument
80 	setup_sysctl_set(&net->sysctls, &net_sysctl_root, is_seen);  in sysctl_net_init()
84 static void __net_exit sysctl_net_exit(struct net *net)  in sysctl_net_exit()  argument
86 	retire_sysctl_set(&net->sysctls);  in sysctl_net_exit()
100 	 * registering "/proc/sys/net" as an empty directory not in a  in net_sysctl_init()
103 	net_header = register_sysctl_sz("net", empty, 0);  in net_sysctl_init()
120  *    data segment, and rather into the heap where a per-net object was
123 static void ensure_safe_net_sysctl(struct net *net, const char *path,  in ensure_safe_net_sysctl()  argument
128 	pr_debug("Registering net sysctl (net %p): %s\n", net, path);  in ensure_safe_net_sysctl()
163 struct ctl_table_header *register_net_sysctl_sz(struct net *net,  in register_net_sysctl_sz()  argument
168 	if (!net_eq(net, &init_net))  in register_net_sysctl_sz()
169 		ensure_safe_net_sysctl(net, path, table, table_size);  in register_net_sysctl_sz()
171 	return __register_sysctl_table(&net->sysctls, path, table, table_size);  in register_net_sysctl_sz()