---

yaml --- r: 90313 b: refs/heads/master c: 906c730 h: refs/heads/master i: 90311: 442d972 v: v3
git-mirror · Mar 25, 2008 · 442647f · 442647f
1 parent ba7dd28
commit 442647f
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Showing 3 changed files with 30 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 857485c0c46ceee5c658c1761bba4d9a5ddf433f
+refs/heads/master: 906c730a2db950b7bce4ef17d65399acd791c360
diff --git a/trunk/include/net/wireless.h b/trunk/include/net/wireless.h
@@ -304,4 +304,10 @@ extern int ieee80211_channel_to_frequency(int chan);
  */
 extern int ieee80211_frequency_to_channel(int freq);
 
+/**
+ * ieee80211_get_channel - get channel struct from wiphy for specified frequency
+ */
+extern struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy,
+						       int freq);
+
 #endif /* __NET_WIRELESS_H */
diff --git a/trunk/net/wireless/util.c b/trunk/net/wireless/util.c
@@ -33,6 +33,29 @@ int ieee80211_frequency_to_channel(int freq)
 }
 EXPORT_SYMBOL(ieee80211_frequency_to_channel);
 
+struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy,
+						int freq)
+{
+	enum ieee80211_band band;
+	struct ieee80211_supported_band *sband;
+	int i;
+
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		sband = wiphy->bands[band];
+
+		if (!sband)
+			continue;
+
+		for (i = 0; i < sband->n_channels; i++) {
+			if (sband->channels[i].center_freq == freq)
+				return &sband->channels[i];
+		}
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(ieee80211_get_channel);
+
 static void set_mandatory_flags_band(struct ieee80211_supported_band *sband,
 				     enum ieee80211_band band)
 {