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mac80211: Fix the maximum transmit power with power constraint

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The local maximum transmit power for a channel is defined as the maximum
regulatory transmission power minus the local power constraint specified
for the channel in the Power Constraint element. (7.3.2.15 IEEE80211 2007)

Signed-off-by: Hong Wu <hong.wu@dspg.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hong Wu
2012-01-11 20:34:30 +02:00
committed by John W. Linville
parent eccc068e8e
commit a48b13ac81
2 changed files with 3 additions and 2 deletions
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3
net/mac80211/main.c
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@@ -155,7 +155,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
power = chan->max_power;
else
power = local->power_constr_level ?
(chan->max_power - local->power_constr_level) :
min(chan->max_power,
(chan->max_reg_power - local->power_constr_level)) :
chan->max_power;
if (local->user_power_level >= 0)