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authorPatrick McHardy <kaber@trash.net>2005-08-15 12:32:15 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2005-08-29 16:01:07 -0700
commit9a4595bc7e67962f13232ee55a64e063062c3a99 (patch)
tree9691d77701cad7e0d4fb62390acf525f3adb9d60 /include/linux/netlink.h
parentf7fa9b10edbb9391bdd4ec8e8b3d621d0664b198 (diff)
[NETLINK]: Add set/getsockopt options to support more than 32 groups
NETLINK_ADD_MEMBERSHIP/NETLINK_DROP_MEMBERSHIP are used to join/leave groups, NETLINK_PKTINFO is used to enable nl_pktinfo control messages for received packets to get the extended destination group number. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netlink.h')
-rw-r--r--include/linux/netlink.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index c724c9d4984..36a40449f9f 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -90,6 +90,15 @@ struct nlmsgerr
struct nlmsghdr msg;
};
+#define NETLINK_ADD_MEMBERSHIP 1
+#define NETLINK_DROP_MEMBERSHIP 2
+#define NETLINK_PKTINFO 3
+
+struct nl_pktinfo
+{
+ __u32 group;
+};
+
#define NET_MAJOR 36 /* Major 36 is reserved for networking */
enum {