Re: [Madwifi-devel] Problem when change "g" mode to "a" mode:

[Tom M. <to...@ho...>]

I had the same problem, but I fixed it a bit differently.  You can find my
fix here:

  http://sourceforge.net/mailarchive/forum.php?thread_id=3D3122396&forum_id=
=3D33958

I have been away for a week and I have not yet read the -users list, so I
don't know whether any of my patches have been accepted yet...

On Mon, Sep 29, 2003 at 11:38:40AM -0400, Henry Qian wrote:
> When I switch from currently associated, g mode to a mode:
>=20
> (A000004)/# iwpriv wlan0 mode 1
> <mapping sub-ioctl mode to cmd 0x8BE0-2>
> Interface doesn't accept private ioctl...
> mode (8BE0): No such device or address
> (A000004)/#
>=20
> I believe what happened is in:
>=20
> static int
> ieee80211_ioctl_setparam(struct net_device *dev, struct iw_request_info
> *info,
>                          void *w, char *extra)
> {
>         ......
>=20
>         case IEEE80211_PARAM_MODE:
> -->>            ifr.ifr_media =3D (imr.ifm_active &~ IFM_MMASK)
>                               | IFM_MAKEMODE(value);
>                 break;
>         default:
>                 return -EOPNOTSUPP;
>         }
>         return -ifmedia_ioctl(dev, &ifr, &ic->ic_media, SIOCSIFMEDIA);
> }
>=20
> ifr.ifr_media has both current g mode media type and a new operation "a"
> mode, IFM_MAKEMODE(value).  It will fail ifmedia_match() inside of
> ifmedia_ioctl().
>=20
> A patch is attached, I would like to know if it is the right fix.
>=20
> Henry Qian



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