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SubjectRe: Wireless Extension update
From
On Sun, Oct 14, 2001 at 05:08:16PM -0700, H. Peter Anvin wrote:
> Followup to: <20011008191247.B6816@bougret.hpl.hp.com>
> By author: Jean Tourrilhes <jt@bougret.hpl.hp.com>
> In newsgroup: linux.dev.kernel
> > /* -------------------------- IOCTL LIST -------------------------- */
> > @@ -137,6 +144,8 @@
> > #define SIOCGIWRANGE 0x8B0B /* Get range of parameters */
> > #define SIOCSIWPRIV 0x8B0C /* Unused */
> > #define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */
> > +#define SIOCSIWSTATS 0x8B0E /* Unused */
> > +#define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */
> >
> > /* Mobile IP support */
> > #define SIOCSIWSPY 0x8B10 /* set spy addresses */
> > @@ -177,11 +186,33 @@
> > #define SIOCSIWPOWER 0x8B2C /* set Power Management settings */
> > #define SIOCGIWPOWER 0x8B2D /* get Power Management settings */
> >
>
> Please, pretty please, use _IOC() macros...
>
> -hpa

Already discussed countless times since 96, same answer as
before : not possible.
For normal devices, you have the full ioctl range, so you can
afford to "waste" this space by coding type/direction in the ioctl
number.
For networking devices, only a *very* small portion of the
ioctl space goes to the driver (because the various networking
components grab tons of them), so we are required to be more
efficient.
In summary : if you convert all the regular ifconfig ioctls
(see .../include/linux/sockios.h) to use _IOC() macros and workaround
ioctl space limitation for networking devices, then I'll fix the
wireless ioctls.
Regards,

Jean
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