From d91df0e3a1b9a7427785cb8d28be073df9b18b78 Mon Sep 17 00:00:00 2001 From: Pontus Fuchs Date: Tue, 3 Apr 2012 16:39:58 +0200 Subject: [PATCH] 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: Pontus Fuchs Signed-off-by: John W. Linville --- include/net/cfg80211.h | 3 ++- net/mac80211/cfg.c | 4 +++- net/wireless/nl80211.c | 13 +++++++++++++ net/wireless/wext-compat.c | 3 ++- 4 files changed, 20 insertions(+), 3 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index a587867..d17ad5f 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -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); }; /* diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 3557354..510a745 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -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; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 5e26123..bcf6f70 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -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: diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 3c24eb9..6a6181a 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -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; -- 2.7.4