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cfg80211: extend range deviation for DMG

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[ Upstream commit 93183bdbe73bbdd03e9566c8dc37c9d06b0d0db6 ]

Recently, DMG frequency bands have been extended till 71GHz, so extend
the range check till 20GHz (45-71GHZ), else some channels will be marked
as disabled.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@bluwireless.co.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chaitanya Tata 2019-01-19 03:17:47 +05:30 • committed by Greg Kroah-Hartman
parent 39aabcb7dc
commit 31f49f68d2
1 changed files with 2 additions and 2 deletions
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4
net/wireless/reg.c
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@ -780,7 +780,7 @@ static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range,
* definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"), * definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"),
* however it is safe for now to assume that a frequency rule should not be * however it is safe for now to assume that a frequency rule should not be
* part of a frequency's band if the start freq or end freq are off by more * part of a frequency's band if the start freq or end freq are off by more
* than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 20 GHz for the
* 60 GHz band. * 60 GHz band.
* This resolution can be lowered and should be considered as we add * This resolution can be lowered and should be considered as we add
* regulatory rule support for other "bands". * regulatory rule support for other "bands".
@ -795,7 +795,7 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range,
* with the Channel starting frequency above 45 GHz. * with the Channel starting frequency above 45 GHz.
*/ */
u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ? u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ?
10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; 20 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ;
if (abs(freq_khz - freq_range->start_freq_khz) <= limit) if (abs(freq_khz - freq_range->start_freq_khz) <= limit)
return true; return true;
if (abs(freq_khz - freq_range->end_freq_khz) <= limit) if (abs(freq_khz - freq_range->end_freq_khz) <= limit)