wifi: cfg80211: move puncturing bitmap validation from mac80211

- Move ieee80211_valid_disable_subchannel_bitmap() from mlme.c to
  chan.c, rename it as cfg80211_valid_disable_subchannel_bitmap()
  and export it.
- Modify the prototype to include struct cfg80211_chan_def instead
  of only bandwidth to support a check which returns false if the
  primary channel is punctured.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://lore.kernel.org/r/20230131001227.25014-2-quic_alokad@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 70f01ea5ba5c..191603f32b37 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -8952,4 +8952,16 @@ static inline int cfg80211_color_change_notify(struct net_device *dev)
 					 0, 0);
 }
 
+/**
+ * cfg80211_valid_disable_subchannel_bitmap - validate puncturing bitmap
+ * @bitmap: bitmap to be validated
+ * @chandef: channel definition
+ *
+ * Validate the puncturing bitmap.
+ *
+ * Return: %true if the bitmap is valid. %false otherwise.
+ */
+bool cfg80211_valid_disable_subchannel_bitmap(u16 *bitmap,
+					      const struct cfg80211_chan_def *chandef);
+
 #endif /* __NET_CFG80211_H */