Commit 17db952c authored by Balbir Singh's avatar Balbir Singh Committed by Linus Torvalds
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[PATCH] Add genetlink utilities for payload length calculation

Add two utility helper functions genlmsg_msg_size() and genlmsg_total_size().
These functions are derived from their netlink counterparts.
Signed-off-by: default avatarBalbir Singh <>
Cc: Jamal Hadi <>
Cc: Shailabh Nagar <>
Cc: Thomas Graf <>
Cc: "David S. Miller" <>
Cc: Jay Lan <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 31608214
......@@ -169,4 +169,22 @@ static inline int genlmsg_len(const struct genlmsghdr *gnlh)
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 */
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