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Diffstat (limited to 'net/netlink/af_netlink.h')
-rw-r--r--net/netlink/af_netlink.h33
1 files changed, 19 insertions, 14 deletions
diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h
index 5f454c8de6a4..778a3809361f 100644
--- a/net/netlink/af_netlink.h
+++ b/net/netlink/af_netlink.h
@@ -4,18 +4,19 @@
#include <linux/rhashtable.h>
#include <linux/atomic.h>
-#include <linux/workqueue.h>
#include <net/sock.h>
/* flags */
-#define NETLINK_F_KERNEL_SOCKET 0x1
-#define NETLINK_F_RECV_PKTINFO 0x2
-#define NETLINK_F_BROADCAST_SEND_ERROR 0x4
-#define NETLINK_F_RECV_NO_ENOBUFS 0x8
-#define NETLINK_F_LISTEN_ALL_NSID 0x10
-#define NETLINK_F_CAP_ACK 0x20
-#define NETLINK_F_EXT_ACK 0x40
-#define NETLINK_F_STRICT_CHK 0x80
+enum {
+ NETLINK_F_KERNEL_SOCKET,
+ NETLINK_F_RECV_PKTINFO,
+ NETLINK_F_BROADCAST_SEND_ERROR,
+ NETLINK_F_RECV_NO_ENOBUFS,
+ NETLINK_F_LISTEN_ALL_NSID,
+ NETLINK_F_CAP_ACK,
+ NETLINK_F_EXT_ACK,
+ NETLINK_F_STRICT_CHK,
+};
#define NLGRPSZ(x) (ALIGN(x, sizeof(unsigned long) * 8) / 8)
#define NLGRPLONGS(x) (NLGRPSZ(x)/sizeof(unsigned long))
@@ -23,10 +24,10 @@
struct netlink_sock {
/* struct sock has to be the first member of netlink_sock */
struct sock sk;
+ unsigned long flags;
u32 portid;
u32 dst_portid;
u32 dst_group;
- u32 flags;
u32 subscriptions;
u32 ngroups;
unsigned long *groups;
@@ -37,16 +38,17 @@ struct netlink_sock {
bool cb_running;
int dump_done_errno;
struct netlink_callback cb;
- struct mutex *cb_mutex;
- struct mutex cb_def_mutex;
+ struct mutex nl_cb_mutex;
+
void (*netlink_rcv)(struct sk_buff *skb);
int (*netlink_bind)(struct net *net, int group);
void (*netlink_unbind)(struct net *net, int group);
+ void (*netlink_release)(struct sock *sk,
+ unsigned long *groups);
struct module *module;
struct rhash_head node;
struct rcu_head rcu;
- struct work_struct work;
};
static inline struct netlink_sock *nlk_sk(struct sock *sk)
@@ -54,6 +56,8 @@ static inline struct netlink_sock *nlk_sk(struct sock *sk)
return container_of(sk, struct netlink_sock, sk);
}
+#define nlk_test_bit(nr, sk) test_bit(NETLINK_F_##nr, &nlk_sk(sk)->flags)
+
struct netlink_table {
struct rhashtable hash;
struct hlist_head mc_list;
@@ -64,7 +68,8 @@ struct netlink_table {
struct module *module;
int (*bind)(struct net *net, int group);
void (*unbind)(struct net *net, int group);
- bool (*compare)(struct net *net, struct sock *sock);
+ void (*release)(struct sock *sk,
+ unsigned long *groups);
int registered;
};