On Wed, 2010-03-17 at 09:05 -0700, Joe Perches wrote:
> > I copied it from driver/net/wireless/ipw2x00/ipw2200.c
> > It just reduces typing when initialising the array :-
> > #define IW_IOCTL(x) [(x)-SIOCSIWCOMMIT]
> > static iw_handler p80211wext_handlers[] = {
> > IW_IOCTL(SIOCSIWCOMMIT) = (iw_handler) p80211wext_siwcommit,
> > ...
> > Oh, having quickly looked at wireless.h, I see there is already a macro
> > IW_IOCTL_IDX so I guess I should have used that!
> > would something like this be better?
> > static iw_handler p80211wext_handlers[] = {
> > [IW_IOCTL_IDX(SIOCSIWCOMMIT)] = (iw_handler) p80211wext_siwcommit,
> > ...
>
> orinoco uses one more macro indirection which seems reasonable
>
> Maybe this define should be moved to wireless.h
>
> #define STD_IW_HANDLER(id, func) \
> [IW_IOCTL_IDX(id)] = (iw_handler) func
>
> the line continued macro probably avoids checkpatch warnings too...
>
> orinoco use:
>
> static const iw_handler orinoco_handler[] = {
> STD_IW_HANDLER(SIOCSIWCOMMIT, orinoco_ioctl_commit),
> STD_IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname),
>
> Here's a suggested patch:
>
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
> diff --git a/include/linux/wireless.h b/include/linux/wireless.h
> index 5b4c6c7..ad9f8d5 100644
> --- a/include/linux/wireless.h
> +++ b/include/linux/wireless.h
> @@ -346,6 +346,8 @@
> #define SIOCIWFIRST 0x8B00
> #define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */
> #define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST)
> +#define STD_IW_HANDLER(id, func) \
> + [IW_IOCTL_IDX(id)] = (iw_handler) func
Err, who still cares about wireless extensions (who isn't working on
net/wireless/wext*)?
johannes
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