From 46494e6df8f6d9739d56c8b980229af4e5d2353f Mon Sep 17 00:00:00 2001 From: Sujith Date: Tue, 18 Nov 2008 09:05:13 +0530 Subject: [PATCH] ath9k: Remove half/quarter rate tables Half/Quarter rate tables are needed only for legacy chipsets. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.c | 2 +- drivers/net/wireless/ath9k/rc.c | 143 ++++-------------------------- drivers/net/wireless/ath9k/rc.h | 2 +- 3 files changed, 20 insertions(+), 127 deletions(-) diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c index 3e94dab6c9d9..bab9eaa18da4 100644 --- a/drivers/net/wireless/ath9k/core.c +++ b/drivers/net/wireless/ath9k/core.c @@ -1075,7 +1075,7 @@ int ath_init(u16 devid, struct ath_softc *sc) sc->sc_ani.sc_noise_floor = ATH_DEFAULT_NOISE_FLOOR; setup_timer(&sc->sc_ani.timer, ath_ani_calibrate, (unsigned long)sc); - sc->sc_rc = ath_rate_attach(ah); + sc->sc_rc = ath_rate_attach(sc); if (sc->sc_rc == NULL) { error = -EIO; goto bad2; diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index 1ec5861d34da..aafd10df9279 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -348,72 +348,6 @@ static struct ath_rate_table ar5416_11a_ratetable = { 0, /* Phy rates allowed initially */ }; -static struct ath_rate_table ar5416_11a_ratetable_Half = { - 8, - { - { TRUE, TRUE, WLAN_PHY_OFDM, 3000, /* 6 Mb */ - 2700, 0x0b, 0x00, (0x80|6), - 0, 2, 1, 0, 0}, - { TRUE, TRUE, WLAN_PHY_OFDM, 4500, /* 9 Mb */ - 3900, 0x0f, 0x00, 9, - 0, 3, 1, 1, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 12 Mb */ - 5000, 0x0a, 0x00, (0x80|12), - 2, 4, 2, 2, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 18 Mb */ - 6950, 0x0e, 0x00, 18, - 2, 6, 2, 3, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 24 Mb */ - 8650, 0x09, 0x00, (0x80|24), - 4, 10, 3, 4, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 36 Mb */ - 11500, 0x0d, 0x00, 36, - 4, 14, 3, 5, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 48 Mb */ - 13700, 0x08, 0x00, 48, - 4, 19, 3, 6, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 27000, /* 54 Mb */ - 14650, 0x0c, 0x00, 54, - 4, 23, 3, 7, 0 }, - }, - 50, /* probe interval */ - 50, /* rssi reduce interval */ - 0, /* Phy rates allowed initially */ -}; - -static struct ath_rate_table ar5416_11a_ratetable_Quarter = { - 8, - { - { TRUE, TRUE, WLAN_PHY_OFDM, 1500, /* 6 Mb */ - 1350, 0x0b, 0x00, (0x80|3), - 0, 2, 1, 0, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 2250, /* 9 Mb */ - 1950, 0x0f, 0x00, 4, - 0, 3, 1, 1, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 3000, /* 12 Mb */ - 2500, 0x0a, 0x00, (0x80|6), - 2, 4, 2, 2, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 4500, /* 18 Mb */ - 3475, 0x0e, 0x00, 9, - 2, 6, 2, 3, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 25 Mb */ - 4325, 0x09, 0x00, (0x80|12), - 4, 10, 3, 4, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 36 Mb */ - 5750, 0x0d, 0x00, 18, - 4, 14, 3, 5, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 48 Mb */ - 6850, 0x08, 0x00, 24, - 4, 19, 3, 6, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 13500, /* 54 Mb */ - 7325, 0x0c, 0x00, 27, - 4, 23, 3, 7, 0 }, - }, - 50, /* probe interval */ - 50, /* rssi reduce interval */ - 0, /* Phy rates allowed initially */ -}; - static struct ath_rate_table ar5416_11g_ratetable = { 12, { @@ -480,45 +414,6 @@ static struct ath_rate_table ar5416_11b_ratetable = { 0, /* Phy rates allowed initially */ }; -static void ar5416_attach_ratetables(struct ath_rate_softc *sc) -{ - /* - * Attach rate tables. - */ - sc->hw_rate_table[ATH9K_MODE_11B] = &ar5416_11b_ratetable; - sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable; - sc->hw_rate_table[ATH9K_MODE_11G] = &ar5416_11g_ratetable; - - sc->hw_rate_table[ATH9K_MODE_11NA_HT20] = &ar5416_11na_ratetable; - sc->hw_rate_table[ATH9K_MODE_11NG_HT20] = &ar5416_11ng_ratetable; - sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] = - &ar5416_11na_ratetable; - sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] = - &ar5416_11na_ratetable; - sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] = - &ar5416_11ng_ratetable; - sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] = - &ar5416_11ng_ratetable; -} - -static void ar5416_setquarter_ratetable(struct ath_rate_softc *sc) -{ - sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable_Quarter; - return; -} - -static void ar5416_sethalf_ratetable(struct ath_rate_softc *sc) -{ - sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable_Half; - return; -} - -static void ar5416_setfull_ratetable(struct ath_rate_softc *sc) -{ - sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable; - return; -} - /* * Return the median of three numbers */ @@ -758,25 +653,33 @@ ath_rc_sib_setvalid_htrates(struct ath_rate_node *ath_rc_priv, return hi; } -/* - * Attach to a device instance. Setup the public definition - * of how much per-node space we need and setup the private - * phy tables that have rate control parameters. - */ -struct ath_rate_softc *ath_rate_attach(struct ath_hal *ah) +struct ath_rate_softc *ath_rate_attach(struct ath_softc *sc) { struct ath_rate_softc *asc; - /* we are only in user context so we can sleep for memory */ asc = kzalloc(sizeof(struct ath_rate_softc), GFP_KERNEL); if (asc == NULL) return NULL; - ar5416_attach_ratetables(asc); + asc->hw_rate_table[ATH9K_MODE_11B] = &ar5416_11b_ratetable; + asc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable; + asc->hw_rate_table[ATH9K_MODE_11G] = &ar5416_11g_ratetable; + + asc->hw_rate_table[ATH9K_MODE_11NA_HT20] = &ar5416_11na_ratetable; + asc->hw_rate_table[ATH9K_MODE_11NG_HT20] = &ar5416_11ng_ratetable; + + asc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] = + &ar5416_11na_ratetable; + asc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] = + &ar5416_11na_ratetable; + asc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] = + &ar5416_11ng_ratetable; + asc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] = + &ar5416_11ng_ratetable; /* Save Maximum TX Trigger Level (used for 11n) */ - tx_triglevel_max = ah->ah_caps.tx_triglevel_max; - /* return alias for ath_rate_softc * */ + tx_triglevel_max = sc->sc_ah->ah_caps.tx_triglevel_max; + return asc; } @@ -816,16 +719,6 @@ void ath_rate_newstate(struct ath_softc *sc, struct ath_vap *avp) { struct ath_rate_softc *asc = sc->sc_rc; - /* For half and quarter rate channles use different - * rate tables - */ - if (sc->sc_ah->ah_curchan->channelFlags & CHANNEL_HALF) - ar5416_sethalf_ratetable(asc); - else if (sc->sc_ah->ah_curchan->channelFlags & CHANNEL_QUARTER) - ar5416_setquarter_ratetable(asc); - else /* full rate */ - ar5416_setfull_ratetable(asc); - if (avp->av_config.av_fixed_rateset != IEEE80211_FIXED_RATE_NONE) { asc->fixedrix = sc->sc_rixmap[avp->av_config.av_fixed_rateset & 0xff]; diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h index 2166243045de..2d8df836d533 100644 --- a/drivers/net/wireless/ath9k/rc.h +++ b/drivers/net/wireless/ath9k/rc.h @@ -290,7 +290,7 @@ struct ath_tx_info_priv { /* * Attach/detach a rate control module. */ -struct ath_rate_softc *ath_rate_attach(struct ath_hal *ah); +struct ath_rate_softc *ath_rate_attach(struct ath_softc *sch); void ath_rate_detach(struct ath_rate_softc *asc); /* -- 2.30.2