diff options
| author | Thomas Graf <tgraf@suug.ch> | 2006-11-14 19:46:02 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-02 21:22:42 -0800 |
| commit | 17c157c889f4b07258af6bfec9e4e9dcf3c00178 (patch) | |
| tree | f17be049a40b5742ca7e67094d6a7063146568d5 /include/net | |
| parent | 81878d27fdd297a33f3cfcf29483fe1abaf26dec (diff) | |
[GENL]: Add genlmsg_put_reply() to simplify building reply headers
By modyfing genlmsg_put() to take a genl_family and by adding
genlmsg_put_reply() the process of constructing the netlink
and generic netlink headers is simplified.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/genetlink.h | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 797c18b5041f..7fd131c9a8cc 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -79,34 +79,51 @@ extern struct sock *genl_sock; * @skb: socket buffer holding the message * @pid: netlink pid the message is addressed to * @seq: sequence number (usually the one of the sender) - * @type: netlink message type - * @hdrlen: length of the user specific header + * @family: generic netlink family * @flags netlink message flags * @cmd: generic netlink command - * @version: version * * Returns pointer to user specific header */ static inline void *genlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, - int type, int hdrlen, int flags, - u8 cmd, u8 version) + struct genl_family *family, int flags, u8 cmd) { struct nlmsghdr *nlh; struct genlmsghdr *hdr; - nlh = nlmsg_put(skb, pid, seq, type, GENL_HDRLEN + hdrlen, flags); + nlh = nlmsg_put(skb, pid, seq, family->id, GENL_HDRLEN + + family->hdrsize, flags); if (nlh == NULL) return NULL; hdr = nlmsg_data(nlh); hdr->cmd = cmd; - hdr->version = version; + hdr->version = family->version; hdr->reserved = 0; return (char *) hdr + GENL_HDRLEN; } /** + * genlmsg_put_reply - Add generic netlink header to a reply message + * @skb: socket buffer holding the message + * @info: receiver info + * @family: generic netlink family + * @flags: netlink message flags + * @cmd: generic netlink command + * + * Returns pointer to user specific header + */ +static inline void *genlmsg_put_reply(struct sk_buff *skb, + struct genl_info *info, + struct genl_family *family, + int flags, u8 cmd) +{ + return genlmsg_put(skb, info->snd_pid, info->snd_seq, family, + flags, cmd); +} + +/** * genlmsg_end - Finalize a generic netlink message * @skb: socket buffer the message is stored in * @hdr: user specific header |