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authorArend Van Spriel <arend.vanspriel@broadcom.com>2020-05-29 12:41:43 +0300
committerJohannes Berg <johannes.berg@intel.com>2020-05-31 12:26:03 +0300
commitd1a1646c0de7b0083d42a1ada72a3ec243bfcc6d (patch)
tree0d71f1151e44f08937ed9dea5ce96cb1dfb95d75 /net/wireless/util.c
parent5e9cf0f0a3e98992184442de24253fe1b9c40f2e (diff)
downloadlinux-d1a1646c0de7b0083d42a1ada72a3ec243bfcc6d.tar.xz
cfg80211: adapt to new channelization of the 6GHz band
The 6GHz band does not have regulatory approval yet, but things are moving forward. However, that has led to a change in the channelization of the 6GHz band which has been accepted in the 11ax specification. It also fixes a missing MHZ_TO_KHZ() macro for 6GHz channels while at it. This change is primarily thrown in to discuss how to deal with it. I noticed ath11k adding 6G support with old channelization and ditto for iw. It probably involves changes in hostapd as well. Cc: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> Cc: Jouni Malinen <jouni@w1.fi> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Link: https://lore.kernel.org/r/edf07cdd-ad15-4012-3afd-d8b961a80b69@broadcom.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/util.c')
-rw-r--r--net/wireless/util.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5b3b0d1222a2..a27d4f45fb5f 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -92,9 +92,11 @@ u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band)
return MHZ_TO_KHZ(5000 + chan * 5);
break;
case NL80211_BAND_6GHZ:
- /* see 802.11ax D4.1 27.3.22.2 */
+ /* see 802.11ax D6.1 27.3.23.2 */
+ if (chan == 2)
+ return MHZ_TO_KHZ(5935);
if (chan <= 253)
- return MHZ_TO_KHZ(5940 + chan * 5);
+ return MHZ_TO_KHZ(5950 + chan * 5);
break;
case NL80211_BAND_60GHZ:
if (chan < 7)