* Randy Dunlap <[EMAIL PROTECTED]> 2006-11-10 10:23
> On Fri, 10 Nov 2006 01:08:23 -0500 Paul Moore wrote:
>
> > An Introduction To Using Generic Netlink
> > ===============================================================================
> > 3.1.2. The genl_family Structure
> >
> > Generic Netlink services are defined by the genl_family structure, which is
> > shown below:
> >
> > struct genl_family
> > {
> > unsigned int id;
> > unsigned int hdrsize;
> > char name[GENL_NAMSIZ];
> > unsigned int version;
> > unsigned int maxattr;
> > struct nlattr ** attrbuf;
> > struct list_head ops_list;
> > struct list_head family_list;
> > };
>
> Any alignment/packing concerns here? or that is already
> handled, just not presented here?
I thought I chose GENL_NAMESIZ wisely but to be sure I checked
with Mr. Alignment himself, Arnaldo:
struct genl_family {
unsigned int id; /* 0(0) 4 */
unsigned int hdrsize; /* 4(0) 4 */
char name[16]; /* 8(0) 16 */
unsigned int version; /* 24(0) 4 */
unsigned int maxattr; /* 28(0) 4 */
/* ---------- cacheline 1 boundary ---------- */
struct nlattr * * attrbuf; /* 32(0) 4 */
struct list_head ops_list; /* 36(0) 8 */
struct list_head family_list; /* 44(0) 8 */
}; /* size: 52 */
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