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libertas: allow setting channel on mshX device 

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse 2007-12-11 19:56:28 -05:00 committed by David S. Miller
parent f5956bf1e4
commit 823eaa2cc2
1 changed files with 52 additions and 1 deletions
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53
drivers/net/wireless/libertas/wext.c
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@ -959,6 +959,57 @@ out:
return ret;
}
static int lbs_mesh_set_freq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *fwrq, char *extra)
{
struct lbs_private *priv = dev->priv;
struct chan_freq_power *cfp;
int ret = -EINVAL;
lbs_deb_enter(LBS_DEB_WEXT);
/* If setting by frequency, convert to a channel */
if (fwrq->e == 1) {
long f = fwrq->m / 100000;
cfp = find_cfp_by_band_and_freq(priv, 0, f);
if (!cfp) {
lbs_deb_wext("invalid freq %ld\n", f);
goto out;
}
fwrq->e = 0;
fwrq->m = (int) cfp->channel;
}
/* Setting by channel number */
if (fwrq->m > 1000 || fwrq->e > 0) {
goto out;
}
cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
if (!cfp) {
goto out;
}
if (fwrq->m != priv->curbssparams.channel) {
lbs_deb_wext("mesh channel change forces eth disconnect\n");
if (priv->mode == IW_MODE_INFRA)
lbs_send_deauthentication(priv);
else if (priv->mode == IW_MODE_ADHOC)
lbs_stop_adhoc_network(priv);
}
priv->curbssparams.channel = fwrq->m;
lbs_mesh_config(priv, 0);
lbs_mesh_config(priv, 1);
ret = 0;
out:
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
return ret;
}
static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
@ -2097,7 +2148,7 @@ static const iw_handler mesh_wlan_handler[] = {
(iw_handler) lbs_get_name, /* SIOCGIWNAME */
(iw_handler) NULL, /* SIOCSIWNWID */
(iw_handler) NULL, /* SIOCGIWNWID */
(iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
(iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
(iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
(iw_handler) NULL, /* SIOCSIWMODE */
(iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */