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cfg80211: adjacent 80+80 MHz channel segments are invalid 

In that case, it's really a 160 MHz channel, so disallow
this configuration.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-12-14 00:19:08 +01:00
parent 75de9113bb
commit 9cab315190
1 changed files with 4 additions and 0 deletions
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4
net/wireless/chan.c
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@ -76,6 +76,10 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
return false; return false;
if (!chandef->center_freq2) if (!chandef->center_freq2)
return false; return false;
/* adjacent is not allowed -- that's a 160 MHz channel */
if (chandef->center_freq1 - chandef->center_freq2 == 80 ||
chandef->center_freq2 - chandef->center_freq1 == 80)
return false;
break; break;
case NL80211_CHAN_WIDTH_80: case NL80211_CHAN_WIDTH_80:
if (chandef->center_freq1 != control_freq + 30 && if (chandef->center_freq1 != control_freq + 30 &&