From 83685091acb878980711c3b28fe42e8959583e84 Mon Sep 17 00:00:00 2001 From: Dengke Qiu Date: Tue, 28 Aug 2012 15:33:42 +0800 Subject: ath6kl: fix link speed when using sgi The MSB of rate index from FW is used for sgi. But the ath6kl_wmi_get_rate doesn't handle it. The access to wmi_rate_tbl array may be out of range if sgi is 1. This may cause the return value of ath6kl_wmi_get_rate() function is incorrect link rate. We add sgi adjustment to avoid such case. kvalo: change patch title Signed-off-by: Dengke Qiu Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/wmi.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/wireless/ath/ath6kl/wmi.h') diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h index a638151cf86..e916e57c9d9 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.h +++ b/drivers/net/wireless/ath/ath6kl/wmi.h @@ -1792,6 +1792,9 @@ struct rx_stats { a_sle32 ucast_rate; } __packed; +#define RATE_INDEX_WITHOUT_SGI_MASK 0x7f +#define RATE_INDEX_MSB 0x80 + struct tkip_ccmp_stats { __le32 tkip_local_mic_fail; __le32 tkip_cnter_measures_invoked; -- cgit v1.2.3-70-g09d2