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rndis_wlan: initiate cfg80211 conversion
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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John W. Linville committed Apr 22, 2009
1 parent f13027a commit 5c8fa4f
Showing 1 changed file with 85 additions and 29 deletions.
114 changes: 85 additions & 29 deletions drivers/net/wireless/rndis_wlan.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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>

Expand Down Expand Up @@ -316,19 +318,55 @@ 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;
struct mutex command_lock;
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;

Expand Down Expand Up @@ -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 };

Expand Down Expand Up @@ -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;
}
Expand Down Expand Up @@ -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)
{
Expand Down Expand Up @@ -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,
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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;

Expand Down Expand Up @@ -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 */
Expand Down Expand Up @@ -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);
}


Expand Down

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