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Commit d91df0e3 authored by Pontus Fuchs's avatar Pontus Fuchs Committed by John W. Linville
Browse files

cfg80211: Add channel information to NL80211_CMD_GET_INTERFACE 



If the current channel is known, add frequency and channel type to
NL80211_CMD_GET_INTERFACE.

Signed-off-by: default avatarPontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3a4b43fd

include/net/cfg80211.h

+2 −1
Original line number Diff line number Diff line
@@ -1710,7 +1710,8 @@ struct cfg80211_ops { 
				  struct net_device *dev,

				  u16 noack_map);



	struct ieee80211_channel *(*get_channel)(struct wiphy *wiphy);

	struct ieee80211_channel *(*get_channel)(struct wiphy *wiphy,

					       enum nl80211_channel_type *type);

};



/*

net/mac80211/cfg.c

+3 −1
Original line number Diff line number Diff line
@@ -2688,10 +2688,12 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 
}



static struct ieee80211_channel *

ieee80211_wiphy_get_channel(struct wiphy *wiphy)

ieee80211_wiphy_get_channel(struct wiphy *wiphy,

			    enum nl80211_channel_type *type)

{

	struct ieee80211_local *local = wiphy_priv(wiphy);



	*type = local->_oper_channel_type;

	return local->oper_channel;

}

net/wireless/nl80211.c

+13 −0
Original line number Diff line number Diff line
@@ -1501,6 +1501,19 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, 
		    rdev->devlist_generation ^

			(cfg80211_rdev_list_generation << 2));



	if (rdev->ops->get_channel) {

		struct ieee80211_channel *chan;

		enum nl80211_channel_type channel_type;



		chan = rdev->ops->get_channel(&rdev->wiphy, &channel_type);

		if (chan) {

			NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ,

				    chan->center_freq);

			NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,

				    channel_type);

		}

	}



	return genlmsg_end(msg, hdr);



 nla_put_failure:

net/wireless/wext-compat.c

+2 −1
Original line number Diff line number Diff line
@@ -821,6 +821,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, 
	struct wireless_dev *wdev = dev->ieee80211_ptr;

	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);

	struct ieee80211_channel *chan;

	enum nl80211_channel_type channel_type;



	switch (wdev->iftype) {

	case NL80211_IFTYPE_STATION:
@@ -831,7 +832,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, 
		if (!rdev->ops->get_channel)

			return -EINVAL;



		chan = rdev->ops->get_channel(wdev->wiphy);

		chan = rdev->ops->get_channel(wdev->wiphy, &channel_type);

		if (!chan)

			return -EINVAL;

		freq->m = chan->center_freq;