diff options
| author | Pravin B Shelar <pshelar@nicira.com> | 2011-11-10 19:14:37 -0800 |
|---|---|---|
| committer | Jesse Gross <jesse@nicira.com> | 2011-12-03 09:35:05 -0800 |
| commit | 263ba61d3b19508dfb003c215ec5d23f882b4f87 (patch) | |
| tree | 1f00fe8aeaff938b6e6706d145f761c5990fc28e | |
| parent | 340e8dc1fb4032b6c8334c9bff20b2aec42ecfd8 (diff) | |
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>
| -rw-r--r-- | include/net/genetlink.h | 2 | ||||
| -rw-r--r-- | net/netlink/genetlink.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 82d8d09faa4..7db32995ccd 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -128,6 +128,8 @@ extern int genl_register_mc_group(struct genl_family *family, struct genl_multicast_group *grp); extern void genl_unregister_mc_group(struct genl_family *family, struct genl_multicast_group *grp); +extern void genl_notify(struct sk_buff *skb, struct net *net, u32 pid, + u32 group, struct nlmsghdr *nlh, gfp_t flags); /** * genlmsg_put - Add generic netlink header to netlink message diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 482fa571b4e..8a36599d355 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -946,3 +946,16 @@ int genlmsg_multicast_allns(struct sk_buff *skb, u32 pid, unsigned int group, 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); |