Add two utility helper functions genlmsg_msg_size() and genlmsg_total_size().
These functions are derived from their netlink counterparts.
Signed-off-by: Balbir Singh <[email protected]>
---
include/net/genetlink.h | 18 ++++++++++++++++++
1 files changed, 18 insertions(+)
diff -puN include/net/genetlink.h~genetlink-payload-size-helpers include/net/genetlink.h
--- linux-2.6.18-rc6/include/net/genetlink.h~genetlink-payload-size-helpers 2006-09-11 10:34:56.000000000 +0530
+++ linux-2.6.18-rc6-balbir/include/net/genetlink.h 2006-09-11 11:42:37.000000000 +0530
@@ -171,4 +171,22 @@ static inline int genlmsg_len(const stru
return (nlh->nlmsg_len - GENL_HDRLEN - NLMSG_HDRLEN);
}
+/**
+ * genlmsg_msg_size - length of genetlink message not including padding
+ * @payload: length of message payload
+ */
+static inline int genlmsg_msg_size(int payload)
+{
+ return GENL_HDRLEN + payload;
+}
+
+/**
+ * genlmsg_total_size - length of genetlink message including padding
+ * @payload: length of message payload
+ */
+static inline int genlmsg_total_size(int payload)
+{
+ return NLMSG_ALIGN(genlmsg_msg_size(payload));
+}
+
#endif /* __NET_GENERIC_NETLINK_H */
_
--
Balbir Singh,
Linux Technology Center,
IBM Software Labs
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