+
+ struct list_head sysctl_table_headers;
+
+ struct net_device *loopback_dev; /* The loopback */
+
+ struct list_head dev_base_head;
+ struct hlist_head *dev_name_head;
+ struct hlist_head *dev_index_head;
+
+ struct sock *rtnl; /* rtnetlink socket */
+
+ /* List of all packet sockets. */
+ rwlock_t packet_sklist_lock;
+ struct hlist_head packet_sklist;
+
+ /* unix sockets */
+ int sysctl_unix_max_dgram_qlen;
+ struct ctl_table_header *unix_ctl;