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Commit ab737a4f authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

cfg80211: implement IWAP for WDS 



This implements siocsiwap/giwap for WDS mode.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent bc92afd9

include/net/cfg80211.h

+10 −0
Original line number Diff line number Diff line
@@ -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

net/mac80211/cfg.c

+11 −0
Original line number Diff line number Diff line
@@ -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,

net/mac80211/wext.c

+4 −22
Original line number Diff line number Diff line
@@ -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;

}

net/wireless/wext-compat.c

+46 −0
Original line number Diff line number Diff line
@@ -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);