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Message-Id: <20190215021313.178476-38-sashal@kernel.org> Date: Thu, 14 Feb 2019 21:13:11 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Chaitanya Tata <chaitanya.tata@...wirelesstechnology.com>, Chaitanya Tata <Chaitanya.Tata@...wireless.co.uk>, Johannes Berg <johannes.berg@...el.com>, Sasha Levin <sashal@...nel.org>, linux-wireless@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 4.14 38/40] cfg80211: extend range deviation for DMG From: Chaitanya Tata <chaitanya.tata@...wirelesstechnology.com> [ 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@...wireless.co.uk> Signed-off-by: Johannes Berg <johannes.berg@...el.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- net/wireless/reg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/wireless/reg.c b/net/wireless/reg.c index bd91de416035..ebfbc3f1be42 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -759,7 +759,7 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd) * 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 * 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. * This resolution can be lowered and should be considered as we add * regulatory rule support for other "bands". @@ -774,7 +774,7 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, * with the Channel starting frequency above 45 GHz. */ 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) return true; if (abs(freq_khz - freq_range->end_freq_khz) <= limit) -- 2.19.1
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