diff options
author | Pravin B Shelar <pshelar@nicira.com> | 2011-11-10 22:14:37 -0500 |
---|---|---|
committer | Jesse Gross <jesse@nicira.com> | 2011-12-03 12:35:05 -0500 |
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 82d8d09faa44..7db32995ccd3 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, | |||
128 | struct genl_multicast_group *grp); | 128 | struct genl_multicast_group *grp); |
129 | extern void genl_unregister_mc_group(struct genl_family *family, | 129 | extern void genl_unregister_mc_group(struct genl_family *family, |
130 | struct genl_multicast_group *grp); | 130 | struct genl_multicast_group *grp); |
131 | extern void genl_notify(struct sk_buff *skb, struct net *net, u32 pid, | ||
132 | u32 group, struct nlmsghdr *nlh, gfp_t flags); | ||
131 | 133 | ||
132 | /** | 134 | /** |
133 | * genlmsg_put - Add generic netlink header to netlink message | 135 | * genlmsg_put - Add generic netlink header to netlink message |
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 482fa571b4ee..8a36599d3555 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, | |||
946 | return genlmsg_mcast(skb, pid, group, flags); | 946 | return genlmsg_mcast(skb, pid, group, flags); |
947 | } | 947 | } |
948 | EXPORT_SYMBOL(genlmsg_multicast_allns); | 948 | EXPORT_SYMBOL(genlmsg_multicast_allns); |
949 | |||
950 | void genl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group, | ||
951 | struct nlmsghdr *nlh, gfp_t flags) | ||
952 | { | ||
953 | struct sock *sk = net->genl_sock; | ||
954 | int report = 0; | ||
955 | |||
956 | if (nlh) | ||
957 | report = nlmsg_report(nlh); | ||
958 | |||
959 | nlmsg_notify(sk, skb, pid, group, report, flags); | ||
960 | } | ||
961 | EXPORT_SYMBOL(genl_notify); | ||