From 5554adbe0d366f6a5096e6f74b48dcad5698c528 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Fri, 28 Aug 2009 13:27:53 +0300 Subject: rndis_wlan: add cfg80211 set_channel Add cfg80211 set_channel and convert wext to use it. Signed-off-by: Jussi Kivilinna Signed-off-by: John W. Linville --- drivers/net/wireless/rndis_wlan.c | 105 ++++++-------------------------------- 1 file changed, 15 insertions(+), 90 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index c2af5be35d39..ffb195dcf4f8 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -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_set_channel(struct wiphy *wiphy, + struct ieee80211_channel *chan, enum nl80211_channel_type channel_type); + static struct cfg80211_ops rndis_config_ops = { .change_virtual_intf = rndis_change_virtual_intf, .scan = rndis_scan, @@ -527,6 +530,7 @@ static struct cfg80211_ops rndis_config_ops = { .disconnect = rndis_disconnect, .join_ibss = rndis_join_ibss, .leave_ibss = rndis_leave_ibss, + .set_channel = rndis_set_channel, }; 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 */ @@ -2067,6 +2031,15 @@ static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 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 @@ -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, 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(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname, - IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, - IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, + IW_IOCTL(SIOCSIWFREQ) = (iw_handler) cfg80211_wext_siwfreq, + IW_IOCTL(SIOCGIWFREQ) = (iw_handler) cfg80211_wext_giwfreq, IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode, IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode, IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange, -- cgit v1.2.3-55-g7522