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mac80211: allow disabling 40MHz on 2.4GHz

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In some situations it is required that a system be
configured with no support for 40 MHz channels in
the 2.4 GHz band. Rather than imposing any such
restrictions on everybody, allow configuration a
system like that with a module parameter. It is
writable at runtime but only takes effect at the
time of the next association.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-12-01 18:29:42 +01:00
committed by John W. Linville
parent 8b73d13a21
commit f38fd12fa7
4 changed files with 25 additions and 3 deletions
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6
net/mac80211/main.c
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@@ -33,6 +33,12 @@
#include "cfg.h"
#include "debugfs.h"
bool ieee80211_disable_40mhz_24ghz;
module_param(ieee80211_disable_40mhz_24ghz, bool, 0644);
MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz,
"Disable 40MHz support in the 2.4GHz band");
void ieee80211_configure_filter(struct ieee80211_local *local)
{
u64 mc;