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cfg80211: implement IWAP for WDS 

This implements siocsiwap/giwap for WDS mode.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-07-01 21:26:58 +02:00 committed by John W. Linville
parent bc92afd920
commit ab737a4f7d
4 changed files with 71 additions and 22 deletions
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10
include/net/cfg80211.h
View File

@ -1018,6 +1018,9 @@ struct cfg80211_ops {
enum tx_power_setting type, int dbm);
int (*get_tx_power)(struct wiphy *wiphy, int *dbm);
int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
u8 *addr);
void (*rfkill_poll)(struct wiphy *wiphy);
#ifdef CONFIG_NL80211_TESTMODE
@ -1619,6 +1622,13 @@ int cfg80211_wext_giwpower(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *wrq, char *extra);
int cfg80211_wds_wext_siwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *addr, char *extra);
int cfg80211_wds_wext_giwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *addr, char *extra);
/*
* callbacks for asynchronous cfg80211 methods, notification
* functions and BSS handling helpers

11
net/mac80211/cfg.c
View File

@ -1369,6 +1369,16 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
return 0;
}
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
u8 *addr)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
return 0;
}
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
@ -1454,6 +1464,7 @@ struct cfg80211_ops mac80211_config_ops = {
.set_wiphy_params = ieee80211_set_wiphy_params,
.set_tx_power = ieee80211_set_tx_power,
.get_tx_power = ieee80211_get_tx_power,
.set_wds_peer = ieee80211_set_wds_peer,
.rfkill_poll = ieee80211_rfkill_poll,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
.set_power_mgmt = ieee80211_set_power_mgmt,

26
net/mac80211/wext.c
View File

@ -140,23 +140,8 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
if (sdata->vif.type == NL80211_IFTYPE_STATION)
return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
if (sdata->vif.type == NL80211_IFTYPE_WDS) {
/*
* If it is necessary to update the WDS peer address
* while the interface is running, then we need to do
* more work here, namely if it is running we need to
* add a new and remove the old STA entry, this is
* normally handled by _open() and _stop().
*/
if (netif_running(dev))
return -EBUSY;
memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
ETH_ALEN);
return 0;
}
if (sdata->vif.type == NL80211_IFTYPE_WDS)
return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
return -EOPNOTSUPP;
}
@ -173,11 +158,8 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
if (sdata->vif.type == NL80211_IFTYPE_STATION)
return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
if (sdata->vif.type == NL80211_IFTYPE_WDS) {
ap_addr->sa_family = ARPHRD_ETHER;
memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
return 0;
}
if (sdata->vif.type == NL80211_IFTYPE_WDS)
return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
return -EOPNOTSUPP;
}

46
net/wireless/wext-compat.c
View File

@ -1047,3 +1047,49 @@ int cfg80211_wext_giwpower(struct net_device *dev,
return 0;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
int cfg80211_wds_wext_siwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
int err;
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
return -EINVAL;
if (addr->sa_family != ARPHRD_ETHER)
return -EINVAL;
if (netif_running(dev))
return -EBUSY;
if (!rdev->ops->set_wds_peer)
return -EOPNOTSUPP;
err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
if (err)
return err;
memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
return 0;
}
EXPORT_SYMBOL_GPL(cfg80211_wds_wext_siwap);
int cfg80211_wds_wext_giwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
return -EINVAL;
addr->sa_family = ARPHRD_ETHER;
memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
return 0;
}
EXPORT_SYMBOL_GPL(cfg80211_wds_wext_giwap);