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rndis_wlan: add cfg80211 set_channel

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Add cfg80211 set_channel and convert wext to use it.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jussi Kivilinna 2009-08-28 13:27:53 +03:00 • committed by John W. Linville
parent 5c52323e8c
commit 5554adbe0d
1 changed files with 15 additions and 90 deletions
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105
drivers/net/wireless/rndis_wlan.c
View file

@ -517,6 +517,9 @@ static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
static int rndis_set_channel(struct wiphy *wiphy,
struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
static struct cfg80211_ops rndis_config_ops = { static struct cfg80211_ops rndis_config_ops = {
.change_virtual_intf = rndis_change_virtual_intf, .change_virtual_intf = rndis_change_virtual_intf,
.scan = rndis_scan, .scan = rndis_scan,
@ -527,6 +530,7 @@ static struct cfg80211_ops rndis_config_ops = {
.disconnect = rndis_disconnect, .disconnect = rndis_disconnect,
.join_ibss = rndis_join_ibss, .join_ibss = rndis_join_ibss,
.leave_ibss = rndis_leave_ibss, .leave_ibss = rndis_leave_ibss,
.set_channel = rndis_set_channel,
}; };
static void *rndis_wiphy_privid = &rndis_wiphy_privid; static void *rndis_wiphy_privid = &rndis_wiphy_privid;
@ -924,46 +928,6 @@ static int level_to_qual(int level)
} }
static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
{
freq->e = 0;
freq->i = 0;
freq->flags = 0;
/* see comment in wireless.h above the "struct iw_freq"
* definition for an explanation of this if
* NOTE: 1000000 is due to the kHz
*/
if (dsconfig > 1000000) {
freq->m = dsconfig / 10;
freq->e = 1;
} else
freq->m = dsconfig;
/* convert from kHz to Hz */
freq->e += 3;
}
static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
{
if (freq->m < 1000 && freq->e == 0) {
if (freq->m >= 1 && freq->m <= 14)
*dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
else
return -1;
} else {
int i;
*dsconfig = freq->m;
for (i = freq->e; i > 0; i--)
*dsconfig *= 10;
*dsconfig /= 1000;
}
return 0;
}
/* /*
* common functions * common functions
*/ */
@ -2067,6 +2031,15 @@ static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
return deauthenticate(usbdev); return deauthenticate(usbdev);
} }
static int rndis_set_channel(struct wiphy *wiphy,
struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
{
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
struct usbnet *usbdev = priv->usbdev;
return set_channel(usbdev,
ieee80211_frequency_to_channel(chan->center_freq));
}
/* /*
* wireless extension handlers * wireless extension handlers
@ -2416,54 +2389,6 @@ static int rndis_iw_set_encode_ext(struct net_device *dev,
} }
static int rndis_iw_set_freq(struct net_device *dev,
struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
{
struct usbnet *usbdev = netdev_priv(dev);
struct ndis_80211_conf config;
unsigned int dsconfig;
int len, ret;
/* this OID is valid only when not associated */
if (is_associated(usbdev))
return 0;
dsconfig = 0;
if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
return -EINVAL;
len = sizeof(config);
ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
if (ret != 0) {
devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
return 0;
}
config.ds_config = cpu_to_le32(dsconfig);
devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
sizeof(config));
}
static int rndis_iw_get_freq(struct net_device *dev,
struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
{
struct usbnet *usbdev = netdev_priv(dev);
struct ndis_80211_conf config;
int len, ret;
len = sizeof(config);
ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
if (ret == 0)
dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
return ret;
}
static int rndis_iw_get_rate(struct net_device *dev, static int rndis_iw_get_rate(struct net_device *dev,
struct iw_request_info *info, union iwreq_data *wrqu, char *extra) struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
{ {
@ -2501,8 +2426,8 @@ static const iw_handler rndis_iw_handler[] =
{ {
IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit, IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname, IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, IW_IOCTL(SIOCSIWFREQ) = (iw_handler) cfg80211_wext_siwfreq,
IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, IW_IOCTL(SIOCGIWFREQ) = (iw_handler) cfg80211_wext_giwfreq,
IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode, IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode, IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange, IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,