summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/cfg80211.h9
-rw-r--r--net/mac80211/cfg.c11
-rw-r--r--net/wireless/nl80211.c16
-rw-r--r--net/wireless/wext-compat.c9
4 files changed, 38 insertions, 7 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 5a67165f3b19..8115d68eb603 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1612,6 +1612,10 @@ struct cfg80211_gtk_rekey_data {
* @get_et_strings: Ethtool API to get a set of strings to describe stats
* and perhaps other supported types of ethtool data-sets.
* See @ethtool_ops.get_strings
+ *
+ * @get_channel: Get the current operating channel for the virtual interface.
+ * For monitor interfaces, it should return %NULL unless there's a single
+ * current monitoring channel.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -1821,6 +1825,11 @@ struct cfg80211_ops {
u32 sset, u8 *data);
void (*set_monitor_enabled)(struct wiphy *wiphy, bool enabled);
+
+ struct ieee80211_channel *
+ (*get_channel)(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ enum nl80211_channel_type *type);
};
/*
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e95f24eef870..10dd9631e4da 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2982,6 +2982,16 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
+static struct ieee80211_channel *
+ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ enum nl80211_channel_type *type)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ *type = local->_oper_channel_type;
+ return local->oper_channel;
+}
+
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
@@ -3062,4 +3072,5 @@ struct cfg80211_ops mac80211_config_ops = {
.get_et_sset_count = ieee80211_get_et_sset_count,
.get_et_stats = ieee80211_get_et_stats,
.get_et_strings = ieee80211_get_et_strings,
+ .get_channel = ieee80211_cfg_get_channel,
};
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 079fc49e3975..6b001e445718 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1759,11 +1759,17 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
(cfg80211_rdev_list_generation << 2)))
goto nla_put_failure;
- if (rdev->monitor_channel) {
- if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
- rdev->monitor_channel->center_freq) ||
- nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
- rdev->monitor_channel_type))
+ if (rdev->ops->get_channel) {
+ struct ieee80211_channel *chan;
+ enum nl80211_channel_type channel_type;
+
+ chan = rdev->ops->get_channel(&rdev->wiphy, wdev,
+ &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)))
goto nla_put_failure;
}
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 7df42f541873..494379eb464f 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -827,6 +827,8 @@ 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:
@@ -834,10 +836,13 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
case NL80211_IFTYPE_ADHOC:
return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
case NL80211_IFTYPE_MONITOR:
- if (!rdev->monitor_channel)
+ if (!rdev->ops->get_channel)
return -EINVAL;
- freq->m = rdev->monitor_channel->center_freq;
+ chan = rdev->ops->get_channel(wdev->wiphy, wdev, &channel_type);
+ if (!chan)
+ return -EINVAL;
+ freq->m = chan->center_freq;
freq->e = 6;
return 0;
default: