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| author | Balbir Singh <balbir@in.ibm.com> | 2006-09-30 23:28:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 00:39:29 -0700 |
| commit | 17db952cd16cecc76937b138c685ae3d198ab17c (patch) | |
| tree | 5c8c83c75be3eb95065ec5241bfd82142622a91d /include/net/genetlink.h | |
| parent | 31608214fe21dc31d8046679054ab033b1fe5cf1 (diff) | |
| download | linux-17db952cd16cecc76937b138c685ae3d198ab17c.tar.gz linux-17db952cd16cecc76937b138c685ae3d198ab17c.tar.bz2 linux-17db952cd16cecc76937b138c685ae3d198ab17c.zip | |
[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: Balbir Singh <balbir@in.ibm.com>
Cc: Jamal Hadi <hadi@cyberus.ca>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Thomas Graf <tgraf@suug.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jay Lan <jlan@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/net/genetlink.h')
| -rw-r--r-- | include/net/genetlink.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 4a38d85e4e25..b619314218a6 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -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 */ |