~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/net/netlink/af_netlink.h

Version: ~ [ linux-5.13-rc5 ] ~ [ linux-5.12.9 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.42 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.124 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.193 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.235 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.271 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.271 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _AF_NETLINK_H
  3 #define _AF_NETLINK_H
  4 
  5 #include <linux/rhashtable.h>
  6 #include <linux/atomic.h>
  7 #include <linux/workqueue.h>
  8 #include <net/sock.h>
  9 
 10 /* flags */
 11 #define NETLINK_F_KERNEL_SOCKET         0x1
 12 #define NETLINK_F_RECV_PKTINFO          0x2
 13 #define NETLINK_F_BROADCAST_SEND_ERROR  0x4
 14 #define NETLINK_F_RECV_NO_ENOBUFS       0x8
 15 #define NETLINK_F_LISTEN_ALL_NSID       0x10
 16 #define NETLINK_F_CAP_ACK               0x20
 17 #define NETLINK_F_EXT_ACK               0x40
 18 
 19 #define NLGRPSZ(x)      (ALIGN(x, sizeof(unsigned long) * 8) / 8)
 20 #define NLGRPLONGS(x)   (NLGRPSZ(x)/sizeof(unsigned long))
 21 
 22 struct netlink_sock {
 23         /* struct sock has to be the first member of netlink_sock */
 24         struct sock             sk;
 25         u32                     portid;
 26         u32                     dst_portid;
 27         u32                     dst_group;
 28         u32                     flags;
 29         u32                     subscriptions;
 30         u32                     ngroups;
 31         unsigned long           *groups;
 32         unsigned long           state;
 33         size_t                  max_recvmsg_len;
 34         wait_queue_head_t       wait;
 35         bool                    bound;
 36         bool                    cb_running;
 37         int                     dump_done_errno;
 38         struct netlink_callback cb;
 39         struct mutex            *cb_mutex;
 40         struct mutex            cb_def_mutex;
 41         void                    (*netlink_rcv)(struct sk_buff *skb);
 42         int                     (*netlink_bind)(struct net *net, int group);
 43         void                    (*netlink_unbind)(struct net *net, int group);
 44         struct module           *module;
 45 
 46         struct rhash_head       node;
 47         struct rcu_head         rcu;
 48         struct work_struct      work;
 49 };
 50 
 51 static inline struct netlink_sock *nlk_sk(struct sock *sk)
 52 {
 53         return container_of(sk, struct netlink_sock, sk);
 54 }
 55 
 56 struct netlink_table {
 57         struct rhashtable       hash;
 58         struct hlist_head       mc_list;
 59         struct listeners __rcu  *listeners;
 60         unsigned int            flags;
 61         unsigned int            groups;
 62         struct mutex            *cb_mutex;
 63         struct module           *module;
 64         int                     (*bind)(struct net *net, int group);
 65         void                    (*unbind)(struct net *net, int group);
 66         bool                    (*compare)(struct net *net, struct sock *sock);
 67         int                     registered;
 68 };
 69 
 70 extern struct netlink_table *nl_table;
 71 extern rwlock_t nl_table_lock;
 72 
 73 #endif
 74 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp