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author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-11 10:51:24 (GMT) |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-11 10:51:24 (GMT) |
commit | 3b621ee5df437d3f332a635ab6421aaa61a7dc2b (patch) | |
tree | c4a5236cee8eb7418770802313d36a55f1cc0b1e /include/linux/netlink.h | |
parent | 7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (diff) | |
parent | 5e04e7fe774794b837e1d3897e6b96ae2d06679a (diff) | |
download | linux-fsl-qoriq-3b621ee5df437d3f332a635ab6421aaa61a7dc2b.tar.xz |
Merge branch 'master'
Diffstat (limited to 'include/linux/netlink.h')
-rw-r--r-- | include/linux/netlink.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index ba25ca8..6a2ccf7 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -71,7 +71,8 @@ struct nlmsghdr #define NLMSG_ALIGNTO 4 #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) ) -#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(sizeof(struct nlmsghdr))) +#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) +#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN)) #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) #define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0))) #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ @@ -86,6 +87,8 @@ struct nlmsghdr #define NLMSG_DONE 0x3 /* End of a dump */ #define NLMSG_OVERRUN 0x4 /* Data lost */ +#define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */ + struct nlmsgerr { int error; @@ -108,6 +111,25 @@ enum { NETLINK_CONNECTED, }; +/* + * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)--> + * +---------------------+- - -+- - - - - - - - - -+- - -+ + * | Header | Pad | Payload | Pad | + * | (struct nlattr) | ing | | ing | + * +---------------------+- - -+- - - - - - - - - -+- - -+ + * <-------------- nlattr->nla_len --------------> + */ + +struct nlattr +{ + __u16 nla_len; + __u16 nla_type; +}; + +#define NLA_ALIGNTO 4 +#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1)) +#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr))) + #ifdef __KERNEL__ #include <linux/capability.h> |