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Message-Id: <1396445515-5808-3-git-send-email-rostislav.lisovy@fel.cvut.cz>
Date: Wed, 2 Apr 2014 15:31:53 +0200
From: Rostislav Lisovy <lisovy@...il.com>
To: Johannes Berg <johannes@...solutions.net>,
"John W. Linville" <linville@...driver.com>,
linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Michal Sojka <sojkam1@....cvut.cz>, s.sander@...dsys.de,
jan-niklas.meier@...kswagen.de,
Rostislav Lisovy <rostislav.lisovy@....cvut.cz>
Subject: [PATCH 2/4] cfg80211: Take the BW restrictions into account when checking the channel
Since there are frequency bands restricting maximum channel
bandwidth to 5MHz or 10MHz, check the particular bandwidth
flags in cfg80211_chandef_usable() to comply with the restrictions.
Signed-off-by: Rostislav Lisovy <rostislav.lisovy@....cvut.cz>
---
net/wireless/chan.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 78559b5..87e1576 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -531,12 +531,14 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
width = 5;
break;
case NL80211_CHAN_WIDTH_10:
+ prohibited_flags |= IEEE80211_CHAN_NO_10MHZ;
width = 10;
break;
case NL80211_CHAN_WIDTH_20:
if (!ht_cap->ht_supported)
return false;
case NL80211_CHAN_WIDTH_20_NOHT:
+ prohibited_flags |= IEEE80211_CHAN_NO_20MHZ;
width = 20;
break;
case NL80211_CHAN_WIDTH_40:
--
1.9.1
--
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