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authorLuis R. Rodriguez <lrodriguez@atheros.com>2010-01-07 17:24:57 -0500
committerJohn W. Linville <linville@tuxdriver.com>2010-01-12 13:57:58 -0500
commitcc5d8a3772ee4e2ed29558ba548b4747959ba971 (patch)
treee90b703642d94e4f342e3ff1deba9966e59c4916 /drivers/net/wireless/ath/ath9k
parent08030db6e5275dda19ea1b3ab8a41c992799db4a (diff)
cfg80211: Fix country IE parsing for single channel triplets
This enhances the way we parse country IEs to minimize the number of regulatory rules that we create. It also fixes our current implementation which treated country IE triplets with only one channel as one independed regulatory rule even though adjecent rules were also being provided. Without this patch APs which send country IE information with a channel triplet for each individual channel will force cfg80211 to deny HT40 operation as a regulatory rule would have been created independently for each channel and as such configured only for 20 MHz operation. Although 802.11n APs which send country IEs triplets in this fassion are likely rare Benoit reports this against the Ubiquity NanoStation M5, with Country "FR" and HT40 enabled. Since we now have a helper which parses the triplets in intermediate steps we now take care extra care to process padding. Reported-by: Benoit PAPILLAULT <benoit.papillault@free.fr> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
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