From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 4 Dec 2012 19:49:42 +0000 (+0100)
Subject: cfg80211: check no-OFDM flag for channels wider than 20 MHz
X-Git-Tag: v3.8-rc1~139^2~17^2^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a6662dbae0b3a7a91317ec88b5aa0cf8d716f183;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

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 <johannes.berg@intel.com>
---

diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index b5f6983..a7990bb 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;