sock_diag: Generalize requests cookies managements
The sk address is used as a cookie between dump/get_exact calls.
It will be required for unix socket sdumping, so move it from
inet_diag to sock_diag.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index 7999778..379d5dc 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -22,5 +22,8 @@
void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
+int sock_diag_check_cookie(void *sk, __u32 *cookie);
+void sock_diag_save_cookie(void *sk, __u32 *cookie);
+
extern struct sock *sock_diag_nlsk;
#endif