ieee80211: define HT operation CCFS2 field

The Channel Center Frequency Segment 2 field is used in
802.11-2016 for encoding the actual channel position of
the 80+80/160 MHz channel, if the max NSS is restricted.
This is used for backwards compatibility.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index e167a26..22bf067 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1411,6 +1411,8 @@ struct ieee80211_ht_operation {
 #define                IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT          0x0004
 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT          0x0010
+#define IEEE80211_HT_OP_MODE_CCFS2_SHIFT               5
+#define IEEE80211_HT_OP_MODE_CCFS2_MASK                        0x1fe0
 
 /* for stbc_param */
 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON            0x0040