Return-path: Received: from mail.atheros.com ([12.36.123.2]:22670 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751479AbYLWX7Q (ORCPT ); Tue, 23 Dec 2008 18:59:16 -0500 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Tue, 23 Dec 2008 15:59:16 -0800 From: "Luis R. Rodriguez" To: , CC: "Luis R. Rodriguez" , , Subject: [PATCH v3 06/16] ath9k: make request to get the noisefloor threshold band specific Date: Tue, 23 Dec 2008 15:58:41 -0800 Message-ID: <1230076731-22946-7-git-send-email-lrodriguez@atheros.com> (sfid-20081224_005919_729884_FF8F8C37) In-Reply-To: <1230076731-22946-6-git-send-email-lrodriguez@atheros.com> References: <1230076731-22946-1-git-send-email-lrodriguez@atheros.com> <1230076731-22946-2-git-send-email-lrodriguez@atheros.com> <1230076731-22946-3-git-send-email-lrodriguez@atheros.com> <1230076731-22946-4-git-send-email-lrodriguez@atheros.com> <1230076731-22946-5-git-send-email-lrodriguez@atheros.com> <1230076731-22946-6-git-send-email-lrodriguez@atheros.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Lets make the request to get the current noise floor threshold from the EEPROM band specific as it is band specific, not mode specific. This also adds a backpointer on the private channel structure back to the ieee80211_channel structure as this is now needed during ath9k_hw_getnf(). Signed-off-by: Luis R. Rodriguez --- drivers/net/wireless/ath9k/ath9k.h | 1 + drivers/net/wireless/ath9k/calib.c | 21 +++++++-------------- drivers/net/wireless/ath9k/main.c | 2 ++ 3 files changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h index 0f6a99a..78fffdf 100644 --- a/drivers/net/wireless/ath9k/ath9k.h +++ b/drivers/net/wireless/ath9k/ath9k.h @@ -453,6 +453,7 @@ struct ath9k_11n_rate_series { CHANNEL_HT40MINUS) struct ath9k_channel { + struct ieee80211_channel *chan; u16 channel; u32 channelFlags; u8 privFlags; diff --git a/drivers/net/wireless/ath9k/calib.c b/drivers/net/wireless/ath9k/calib.c index 3c7454f..2a6b8a4 100644 --- a/drivers/net/wireless/ath9k/calib.c +++ b/drivers/net/wireless/ath9k/calib.c @@ -168,26 +168,18 @@ static void ath9k_hw_do_getnf(struct ath_hal *ah, } static bool getNoiseFloorThresh(struct ath_hal *ah, - const struct ath9k_channel *chan, + enum ieee80211_band band, int16_t *nft) { - switch (chan->chanmode) { - case CHANNEL_A: - case CHANNEL_A_HT20: - case CHANNEL_A_HT40PLUS: - case CHANNEL_A_HT40MINUS: + switch (band) { + case IEEE80211_BAND_5GHZ: *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_5); break; - case CHANNEL_B: - case CHANNEL_G: - case CHANNEL_G_HT20: - case CHANNEL_G_HT40PLUS: - case CHANNEL_G_HT40MINUS: + case IEEE80211_BAND_2GHZ: *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_2); break; default: - DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL, - "invalid channel flags 0x%x\n", chan->channelFlags); + BUG_ON(1); return false; } @@ -692,6 +684,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah, int16_t nf, nfThresh; int16_t nfarray[NUM_NF_READINGS] = { 0 }; struct ath9k_nfcal_hist *h; + struct ieee80211_channel *c = chan->chan; u8 chainmask; if (AR_SREV_9280(ah)) @@ -709,7 +702,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah, } else { ath9k_hw_do_getnf(ah, nfarray); nf = nfarray[0]; - if (getNoiseFloorThresh(ah, chan, &nfThresh) + if (getNoiseFloorThresh(ah, c->band, &nfThresh) && nf > nfThresh) { DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "noise floor failed detected; " diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index bbd7d06..7507d9a 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -218,6 +218,7 @@ static int ath_setup_channels(struct ath_softc *sc) chan_2ghz[a].band = IEEE80211_BAND_2GHZ; chan_2ghz[a].center_freq = c->channel; chan_2ghz[a].max_power = c->maxTxPower; + c->chan = &chan_2ghz[a]; if (c->privFlags & CHANNEL_DISALLOW_ADHOC) chan_2ghz[a].flags |= IEEE80211_CHAN_NO_IBSS; @@ -233,6 +234,7 @@ static int ath_setup_channels(struct ath_softc *sc) chan_5ghz[b].band = IEEE80211_BAND_5GHZ; chan_5ghz[b].center_freq = c->channel; chan_5ghz[b].max_power = c->maxTxPower; + c->chan = &chan_5ghz[a]; if (c->privFlags & CHANNEL_DISALLOW_ADHOC) chan_5ghz[b].flags |= IEEE80211_CHAN_NO_IBSS; -- 1.6.1.rc3.51.g5832d