From a6662dbae0b3a7a91317ec88b5aa0cf8d716f183 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 4 Dec 2012 20:49:42 +0100 Subject: [PATCH] cfg80211: check no-OFDM flag for channels wider than 20 MHz For channels wider than 20 MHz OFDM will be used, so when checking whether or not a channel is usable, check for the no-OFDM flag if the channel is wider than 20 MHz. Signed-off-by: Johannes Berg --- net/wireless/chan.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/wireless/chan.c b/net/wireless/chan.c index b5f69831e31..a7990bb1652 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -265,6 +265,9 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, /* TODO: missing regulatory check on 80/160 bandwidth */ + if (width > 20) + prohibited_flags |= IEEE80211_CHAN_NO_OFDM; + if (!cfg80211_secondary_chans_ok(wiphy, chandef->center_freq1, width, prohibited_flags)) return false; -- 2.41.0