genetlink: Add genl_notify()
Open vSwitch uses Generic Netlink interface for communication
between userspace and kernel module. genl_notify() is used
for sending notification back to userspace.
genl_notify() is analogous to rtnl_notify() but uses genl_sock
instead of rtnl.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 482fa57..8a36599 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -946,3 +946,16 @@
return genlmsg_mcast(skb, pid, group, flags);
}
EXPORT_SYMBOL(genlmsg_multicast_allns);
+
+void genl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
+ struct nlmsghdr *nlh, gfp_t flags)
+{
+ struct sock *sk = net->genl_sock;
+ int report = 0;
+
+ if (nlh)
+ report = nlmsg_report(nlh);
+
+ nlmsg_notify(sk, skb, pid, group, report, flags);
+}
+EXPORT_SYMBOL(genl_notify);