From 5c8fa4f7e7fcceabb3b37d7ec66d3e7115a4bba3 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Thu, 26 Mar 2009 23:39:53 +0200 Subject: [PATCH] rndis_wlan: initiate cfg80211 conversion Signed-off-by: John W. Linville Signed-off-by: Jussi Kivilinna Signed-off-by: John W. Linville --- drivers/net/wireless/rndis_wlan.c | 114 ++++++++++++++++++++++++++++---------- 1 file changed, 85 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index db91db7..c995d7c 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -42,6 +42,8 @@ #include #include #include +#include +#include #include #include @@ -316,12 +318,44 @@ enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE, #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set)) +static const struct ieee80211_channel rndis_channels[] = { + { .center_freq = 2412 }, + { .center_freq = 2417 }, + { .center_freq = 2422 }, + { .center_freq = 2427 }, + { .center_freq = 2432 }, + { .center_freq = 2437 }, + { .center_freq = 2442 }, + { .center_freq = 2447 }, + { .center_freq = 2452 }, + { .center_freq = 2457 }, + { .center_freq = 2462 }, + { .center_freq = 2467 }, + { .center_freq = 2472 }, + { .center_freq = 2484 }, +}; + +static const struct ieee80211_rate rndis_rates[] = { + { .bitrate = 10 }, + { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, + { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, + { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, + { .bitrate = 60 }, + { .bitrate = 90 }, + { .bitrate = 120 }, + { .bitrate = 180 }, + { .bitrate = 240 }, + { .bitrate = 360 }, + { .bitrate = 480 }, + { .bitrate = 540 } +}; + /* RNDIS device private data */ struct rndis_wext_private { - char name[32]; - struct usbnet *usbdev; + struct wireless_dev wdev; + struct workqueue_struct *workqueue; struct delayed_work stats_work; struct work_struct work; @@ -329,6 +363,10 @@ struct rndis_wext_private { spinlock_t stats_lock; unsigned long work_pending; + struct ieee80211_supported_band band; + struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)]; + struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)]; + struct iw_statistics iwstats; struct iw_statistics privstats; @@ -369,7 +407,8 @@ struct rndis_wext_private { }; -static const int rates_80211g[8] = { 6, 9, 12, 18, 24, 36, 48, 54 }; +struct cfg80211_ops rndis_config_ops = { }; +void *rndis_wiphy_privid = &rndis_wiphy_privid; static const int bcm4320_power_output[4] = { 25, 50, 75, 100 }; @@ -1151,15 +1190,15 @@ static int rndis_iw_get_range(struct net_device *dev, /* fill in 802.11g rates */ if (has_80211g_rates) { num = range->num_bitrates; - for (i = 0; i < ARRAY_SIZE(rates_80211g); i++) { + for (i = 4; i < ARRAY_SIZE(rndis_rates); i++) { for (j = 0; j < num; j++) { if (range->bitrate[j] == - rates_80211g[i] * 1000000) + rndis_rates[i].bitrate * 100000) break; } if (j == num) range->bitrate[range->num_bitrates++] = - rates_80211g[i] * 1000000; + rndis_rates[i].bitrate * 100000; if (range->num_bitrates == IW_MAX_BITRATES) break; } @@ -1204,17 +1243,6 @@ static int rndis_iw_get_range(struct net_device *dev, } -static int rndis_iw_get_name(struct net_device *dev, - struct iw_request_info *info, union iwreq_data *wrqu, char *extra) -{ - struct usbnet *usbdev = netdev_priv(dev); - struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); - - strcpy(wrqu->name, priv->name); - return 0; -} - - static int rndis_iw_set_essid(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *essid) { @@ -2165,7 +2193,7 @@ static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev) static const iw_handler rndis_iw_handler[] = { IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit, - IW_IOCTL(SIOCGIWNAME) = rndis_iw_get_name, + IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname, IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq, IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq, IW_IOCTL(SIOCSIWMODE) = rndis_iw_set_mode, @@ -2338,12 +2366,6 @@ static int rndis_wext_get_caps(struct usbnet *usbdev) break; } } - if (priv->caps & CAP_MODE_80211A) - strcat(priv->name, "a"); - if (priv->caps & CAP_MODE_80211B) - strcat(priv->name, "b"); - if (priv->caps & CAP_MODE_80211G) - strcat(priv->name, "g"); } return retval; @@ -2538,20 +2560,28 @@ static const struct net_device_ops rndis_wext_netdev_ops = { static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) { + struct wiphy *wiphy; struct rndis_wext_private *priv; int retval, len; __le32 tmp; - /* allocate rndis private data */ - priv = kzalloc(sizeof(struct rndis_wext_private), GFP_KERNEL); - if (!priv) + /* allocate wiphy and rndis private data + * NOTE: We only support a single virtual interface, so wiphy + * and wireless_dev are somewhat synonymous for this device. + */ + wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wext_private)); + if (!wiphy) return -ENOMEM; + priv = wiphy_priv(wiphy); + usbdev->net->ieee80211_ptr = &priv->wdev; + priv->wdev.wiphy = wiphy; + priv->wdev.iftype = NL80211_IFTYPE_STATION; + /* These have to be initialized before calling generic_rndis_bind(). * Otherwise we'll be in big trouble in rndis_wext_early_init(). */ usbdev->driver_priv = priv; - strcpy(priv->name, "IEEE802.11"); usbdev->net->wireless_handlers = &rndis_iw_handlers; priv->usbdev = usbdev; @@ -2595,7 +2625,31 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf) | IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID; + /* fill-out wiphy structure and register w/ cfg80211 */ + memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN); + wiphy->privid = rndis_wiphy_privid; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) + | BIT(NL80211_IFTYPE_ADHOC); + wiphy->max_scan_ssids = 1; + + /* TODO: fill-out band information based on priv->caps */ rndis_wext_get_caps(usbdev); + + memcpy(priv->channels, rndis_channels, sizeof(rndis_channels)); + memcpy(priv->rates, rndis_rates, sizeof(rndis_rates)); + priv->band.channels = priv->channels; + priv->band.n_channels = ARRAY_SIZE(rndis_channels); + priv->band.bitrates = priv->rates; + priv->band.n_bitrates = ARRAY_SIZE(rndis_rates); + wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; + + set_wiphy_dev(wiphy, &usbdev->udev->dev); + + if (wiphy_register(wiphy)) { + wiphy_free(wiphy); + return -ENODEV; + } + set_default_iw_params(usbdev); /* turn radio on */ @@ -2632,9 +2686,11 @@ static void rndis_wext_unbind(struct usbnet *usbdev, struct usb_interface *intf) if (priv && priv->wpa_ie_len) kfree(priv->wpa_ie); - kfree(priv); rndis_unbind(usbdev, intf); + + wiphy_unregister(priv->wdev.wiphy); + wiphy_free(priv->wdev.wiphy); } -- 2.7.4