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ath9k: Remove half/quarter rate tables
authorSujith <Sujith.Manoharan@atheros.com>
Tue, 18 Nov 2008 03:35:13 +0000 (09:05 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 26 Nov 2008 14:47:24 +0000 (09:47 -0500)
Half/Quarter rate tables are needed only for legacy chipsets.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath9k/core.c patch | blob | blame | history
drivers/net/wireless/ath9k/rc.c patch | blob | blame | history
drivers/net/wireless/ath9k/rc.h patch | blob | blame | history

diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c
index 3e94dab6c9d99b4cf532457ead7a1ecd3bab1161..bab9eaa18da4052138d63f973f8a5df9643f902d 100644 (file)
--- 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 1ec5861d34da22b3b5e5b9c218943d7140f5e4f2..aafd10df9279563f6ff1c57f3e8103f1039922ea 100644 (file)
--- 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 2166243045dee9ed915e8000c20345f647b79ad2..2d8df836d5339861d3deacda5852d3e93b18b0a9 100644 (file)
--- 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);
 
 /*