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mac80211: allow user space to query the current operating frequency

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SVN-Revision: 19178
This commit is contained in:
Felix Fietkau 2010-01-17 03:07:51 +00:00
parent 8bdee4acf7
commit 9f0c2d0a5b
2 changed files with 76 additions and 0 deletions
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47
package/mac80211/patches/560-nl80211_get_freq.patch Normal file
View file

@ -0,0 +1,47 @@
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -954,6 +954,8 @@ struct cfg80211_pmksa {
*
* @set_txq_params: Set TX queue parameters
*
+ * @get_channel: Get operating channel
+ *
* @set_channel: Set channel
*
* @scan: Request to do a scan. If returning zero, the scan request is given
@@ -1079,6 +1081,10 @@ struct cfg80211_ops {
int (*set_txq_params)(struct wiphy *wiphy,
struct ieee80211_txq_params *params);
+ int (*get_channel)(struct wiphy *wiphy,
+ struct ieee80211_channel **chan,
+ enum nl80211_channel_type *channel_type);
+
int (*set_channel)(struct wiphy *wiphy,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type);
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -427,7 +427,8 @@ static int nl80211_send_wiphy(struct sk_
struct nlattr *nl_modes;
struct nlattr *nl_cmds;
enum ieee80211_band band;
- struct ieee80211_channel *chan;
+ struct ieee80211_channel *chan = NULL;
+ enum nl80211_channel_type chan_type;
struct ieee80211_rate *rate;
int i;
u16 ifmodes = dev->wiphy.interface_modes;
@@ -465,6 +466,12 @@ static int nl80211_send_wiphy(struct sk_
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
dev->wiphy.max_num_pmkids);
+ if (dev->ops->get_channel &&
+ dev->ops->get_channel(&dev->wiphy, &chan, &chan_type) == 0) {
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, chan_type);
+ }
+
nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
if (!nl_modes)
goto nla_put_failure;

29
package/mac80211/patches/570-mac80211_get_freq.patch Normal file
View file

@ -0,0 +1,29 @@
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1154,6 +1154,18 @@ static int ieee80211_set_txq_params(stru
return 0;
}
+static int ieee80211_get_oper_channel(struct wiphy *wiphy,
+ struct ieee80211_channel **chan,
+ enum nl80211_channel_type *channel_type)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ *chan = local->oper_channel;
+ *channel_type = local->oper_channel_type;
+
+ return 0;
+}
+
static int ieee80211_set_channel(struct wiphy *wiphy,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
@@ -1494,6 +1506,7 @@ struct cfg80211_ops mac80211_config_ops
#endif
.change_bss = ieee80211_change_bss,
.set_txq_params = ieee80211_set_txq_params,
+ .get_channel = ieee80211_get_oper_channel,
.set_channel = ieee80211_set_channel,
.suspend = ieee80211_suspend,
.resume = ieee80211_resume,