From a1c76046604c6022337384e22204f70d6de29170 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 5 Nov 2009 08:53:10 -0800 Subject: [PATCH] --- yaml --- r: 171713 b: refs/heads/master c: 165864d08774823e3b88d5fcf4dad302700612e3 h: refs/heads/master i: 171711: 0153afb8cec6c30ebbc99f5ffb1713e043ef0f12 v: v3 --- [refs] | 2 +- trunk/drivers/net/wireless/ath/ath9k/common.c | 42 ------------------- 2 files changed, 1 insertion(+), 43 deletions(-) diff --git a/[refs] b/[refs] index 405865bc46e4..3bbb6712a0f8 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: db86f07ec6cdea9670a0928bd1289109d2a989dc +refs/heads/master: 165864d08774823e3b88d5fcf4dad302700612e3 diff --git a/trunk/drivers/net/wireless/ath/ath9k/common.c b/trunk/drivers/net/wireless/ath/ath9k/common.c index 5fb164e294de..80edf7a302ca 100644 --- a/trunk/drivers/net/wireless/ath/ath9k/common.c +++ b/trunk/drivers/net/wireless/ath/ath9k/common.c @@ -142,47 +142,6 @@ static u8 ath9k_process_rate(struct ath_common *common, return 0; } -/* - * Theory for reporting quality: - * - * At a hardware RSSI of 45 you will be able to use MCS 7 reliably. - * At a hardware RSSI of 45 you will be able to use MCS 15 reliably. - * At a hardware RSSI of 35 you should be able use 54 Mbps reliably. - * - * MCS 7 is the highets MCS index usable by a 1-stream device. - * MCS 15 is the highest MCS index usable by a 2-stream device. - * - * All ath9k devices are either 1-stream or 2-stream. - * - * How many bars you see is derived from the qual reporting. - * - * A more elaborate scheme can be used here but it requires tables - * of SNR/throughput for each possible mode used. For the MCS table - * you can refer to the wireless wiki: - * - * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n - * - */ -static int ath9k_compute_qual(struct ieee80211_hw *hw, - struct ath_rx_status *rx_stats) -{ - int qual; - - if (conf_is_ht(&hw->conf)) - qual = rx_stats->rs_rssi * 100 / 45; - else - qual = rx_stats->rs_rssi * 100 / 35; - - /* - * rssi can be more than 45 though, anything above that - * should be considered at 100% - */ - if (qual > 100) - qual = 100; - - return qual; -} - static void ath9k_process_rssi(struct ath_common *common, struct ieee80211_hw *hw, struct sk_buff *skb, @@ -256,7 +215,6 @@ int ath9k_cmn_rx_skb_preprocess(struct ath_common *common, rx_status->noise = common->ani.noise_floor; rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi; rx_status->antenna = rx_stats->rs_antenna; - rx_status->qual = ath9k_compute_qual(hw, rx_stats); rx_status->flag |= RX_FLAG_TSFT; return 0;