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-rw-r--r--drivers/net/wireless/rndis_wlan.c114
1 files changed, 85 insertions, 29 deletions
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index db91db77650..c995d7c3139 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -42,6 +42,8 @@
#include <linux/ctype.h>
#include <linux/spinlock.h>
#include <net/iw_handler.h>
+#include <net/wireless.h>
+#include <net/cfg80211.h>
#include <linux/usb/usbnet.h>
#include <linux/usb/rndis_host.h>
@@ -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);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 18:57:21 +0000