Return-path: Received: from cora.hrz.tu-chemnitz.de ([134.109.228.40]:50065 "EHLO cora.hrz.tu-chemnitz.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752299Ab3EPLCB (ORCPT ); Thu, 16 May 2013 07:02:01 -0400 From: Simon Wunderlich To: linux-wireless@vger.kernel.org Cc: Johannes Berg , Mathias Kretschmer , Simon Wunderlich Subject: [PATCHv3 17/18] ath5k: set 5/10 MHz supported channels and fix duration Date: Thu, 16 May 2013 13:00:44 +0200 Message-Id: <1368702045-27598-18-git-send-email-siwu@hrz.tu-chemnitz.de> (sfid-20130516_130230_296684_E7B842DB) In-Reply-To: <1368702045-27598-1-git-send-email-siwu@hrz.tu-chemnitz.de> References: <1368702045-27598-1-git-send-email-siwu@hrz.tu-chemnitz.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Simon Wunderlich Signed-off-by: Mathias Kretschmer --- drivers/net/wireless/ath/ath5k/base.c | 24 ++++++++++++++++-------- drivers/net/wireless/ath/ath5k/pcu.c | 2 ++ drivers/net/wireless/ath/ath5k/qcu.c | 25 ++++++++++++++++++++++++- 3 files changed, 42 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 13b0d37..9be5f11 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -164,28 +164,36 @@ static const struct ieee80211_rate ath5k_rates[] = { .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 60, .hw_value = ATH5K_RATE_CODE_6M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 90, .hw_value = ATH5K_RATE_CODE_9M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 120, .hw_value = ATH5K_RATE_CODE_12M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 180, .hw_value = ATH5K_RATE_CODE_18M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 240, .hw_value = ATH5K_RATE_CODE_24M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 360, .hw_value = ATH5K_RATE_CODE_36M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 480, .hw_value = ATH5K_RATE_CODE_48M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, { .bitrate = 540, .hw_value = ATH5K_RATE_CODE_54M, - .flags = 0 }, + .flags = IEEE80211_RATE_SUPPORTS_5MHZ | + IEEE80211_RATE_SUPPORTS_10MHZ }, }; static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp) diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c index 1f16b42..c60d36a 100644 --- a/drivers/net/wireless/ath/ath5k/pcu.c +++ b/drivers/net/wireless/ath/ath5k/pcu.c @@ -144,11 +144,13 @@ ath5k_hw_get_frame_duration(struct ath5k_hw *ah, enum ieee80211_band band, sifs = AR5K_INIT_SIFS_HALF_RATE; preamble *= 2; sym_time *= 2; + bitrate = DIV_ROUND_UP(bitrate, 2); break; case AR5K_BWMODE_5MHZ: sifs = AR5K_INIT_SIFS_QUARTER_RATE; preamble *= 4; sym_time *= 4; + bitrate = DIV_ROUND_UP(bitrate, 4); break; default: sifs = AR5K_INIT_SIFS_DEFAULT_BG; diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c index 65fe929..0583c69 100644 --- a/drivers/net/wireless/ath/ath5k/qcu.c +++ b/drivers/net/wireless/ath/ath5k/qcu.c @@ -566,9 +566,11 @@ int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time) { struct ieee80211_channel *channel = ah->ah_current_channel; enum ieee80211_band band; + struct ieee80211_supported_band *sband; struct ieee80211_rate *rate; u32 ack_tx_time, eifs, eifs_clock, sifs, sifs_clock; u32 slot_time_clock = ath5k_hw_htoclock(ah, slot_time); + u32 rate_flags, i; if (slot_time < 6 || slot_time_clock > AR5K_SLOT_TIME_MAX) return -EINVAL; @@ -605,7 +607,28 @@ int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time) else band = IEEE80211_BAND_2GHZ; - rate = &ah->sbands[band].bitrates[0]; + switch (ah->ah_bwmode) { + case AR5K_BWMODE_5MHZ: + rate_flags = IEEE80211_RATE_SUPPORTS_5MHZ; + break; + case AR5K_BWMODE_10MHZ: + rate_flags = IEEE80211_RATE_SUPPORTS_10MHZ; + break; + default: + rate_flags = 0; + break; + } + sband = &ah->sbands[band]; + rate = NULL; + for (i = 0; i < sband->n_bitrates; i++) { + if ((rate_flags & sband->bitrates[i].flags) != rate_flags) + continue; + rate = &sband->bitrates[i]; + break; + } + if (WARN_ON(!rate)) + return -EINVAL; + ack_tx_time = ath5k_hw_get_frame_duration(ah, band, 10, rate, false); /* ack_tx_time includes an SIFS already */ -- 1.7.10.4