From: Johannes Berg <johannes.berg@xxxxxxxxx>
This function converts a (global only!) operating
class to an internal band identifier. This will
be needed for extended channel switch support.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
include/net/cfg80211.h | 11 +++++++++++
net/wireless/util.c | 20 ++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 57870b6..dff96d8 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4024,6 +4024,17 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
void cfg80211_ch_switch_notify(struct net_device *dev,
struct cfg80211_chan_def *chandef);
+/**
+ * ieee80211_operating_class_to_band - convert operating class to band
+ *
+ * @operating_class: the operating class to convert
+ * @band: band pointer to fill
+ *
+ * Returns %true if the conversion was successful, %false otherwise.
+ */
+bool ieee80211_operating_class_to_band(u8 operating_class,
+ enum ieee80211_band *band);
+
/*
* cfg80211_tdls_oper_request - request userspace to perform TDLS operation
* @dev: the device on which the operation is requested
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 37a56ee..3d8a133 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1155,6 +1155,26 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
}
EXPORT_SYMBOL(cfg80211_get_p2p_attr);
+bool ieee80211_operating_class_to_band(u8 operating_class,
+ enum ieee80211_band *band)
+{
+ switch (operating_class) {
+ case 112:
+ case 115 ... 127:
+ *band = IEEE80211_BAND_5GHZ;
+ return true;
+ case 81:
+ case 82:
+ case 83:
+ case 84:
+ *band = IEEE80211_BAND_2GHZ;
+ return true;
+ }
+
+ return false;
+}
+EXPORT_SYMBOL(ieee80211_operating_class_to_band);
+
int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
u32 beacon_int)
{
--
1.8.0
--
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