ath9k: Revamp wireless mode usage

Use a single enum for managing modes, store supported modes by
the HW in a bitmask.
Register legacy rates with mac80211 only at init.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 71 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 4cf0d26d1392..2888778040e4 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -507,7 +507,13 @@ static int ath9k_config(struct ieee80211_hw *hw,
         }
 
         sc->sc_ah->ah_channels[pos].chanmode =
-                (curchan->band == IEEE80211_BAND_2GHZ) ? CHANNEL_G : CHANNEL_A;
+                (curchan->band == IEEE80211_BAND_2GHZ) ?
+                CHANNEL_G : CHANNEL_A;
+
+        if (sc->sc_curaid && hw->conf.ht_conf.ht_supported)
+                sc->sc_ah->ah_channels[pos].chanmode =
+                        ath_get_extchanmode(sc, curchan);
+
         sc->sc_config.txpowlimit = 2 * conf->power_level;
 
         /* set h/w channel */
@@ -1145,75 +1151,6 @@ enum ath9k_ht_macmode ath_cwm_macmode(struct ath_softc *sc)
         return sc->sc_ht_info.tx_chan_width;
 }
 
-void ath_setup_rate(struct ath_softc *sc,
-                    enum wireless_mode wMode,
-                    enum RATE_TYPE type,
-                    const struct ath9k_rate_table *rt)
-{
-        int i, maxrates, a = 0, b = 0;
-        struct ieee80211_supported_band *band_2ghz;
-        struct ieee80211_supported_band *band_5ghz;
-        struct ieee80211_rate *rates_2ghz;
-        struct ieee80211_rate *rates_5ghz;
-
-        if ((wMode >= WIRELESS_MODE_MAX) || (type != NORMAL_RATE))
-                return;
-
-        band_2ghz = &sc->sbands[IEEE80211_BAND_2GHZ];
-        band_5ghz = &sc->sbands[IEEE80211_BAND_5GHZ];
-        rates_2ghz = sc->rates[IEEE80211_BAND_2GHZ];
-        rates_5ghz = sc->rates[IEEE80211_BAND_5GHZ];
-
-        if (rt->rateCount > ATH_RATE_MAX)
-                maxrates = ATH_RATE_MAX;
-        else
-                maxrates = rt->rateCount;
-
-        if ((band_2ghz->n_bitrates != 0) && (band_5ghz->n_bitrates != 0)) {
-                DPRINTF(sc, ATH_DBG_CONFIG,
-                        "%s: Rates already setup\n", __func__);
-                return;
-        }
-
-        for (i = 0; i < maxrates; i++) {
-                switch (wMode) {
-                case WIRELESS_MODE_11b:
-                case WIRELESS_MODE_11g:
-                        rates_2ghz[a].bitrate = rt->info[i].rateKbps / 100;
-                        rates_2ghz[a].hw_value = rt->info[i].rateCode;
-                        a++;
-                        band_2ghz->n_bitrates = a;
-                        break;
-                case WIRELESS_MODE_11a:
-                        rates_5ghz[b].bitrate = rt->info[i].rateKbps / 100;
-                        rates_5ghz[b].hw_value = rt->info[i].rateCode;
-                        b++;
-                        band_5ghz->n_bitrates = b;
-                        break;
-                default:
-                        break;
-                }
-        }
-
-        if (band_2ghz->n_bitrates) {
-                for (i = 0; i < band_2ghz->n_bitrates; i++) {
-                        DPRINTF(sc, ATH_DBG_CONFIG,
-                                "%s: 2GHz Rate: %2dMbps, ratecode: %2d\n",
-                                __func__,
-                                rates_2ghz[i].bitrate / 10,
-                                rates_2ghz[i].hw_value);
-                }
-        } else if (band_5ghz->n_bitrates) {
-                for (i = 0; i < band_5ghz->n_bitrates; i++) {
-                        DPRINTF(sc, ATH_DBG_CONFIG,
-                                "%s: 5Ghz Rate: %2dMbps, ratecode: %2d\n",
-                                __func__,
-                                rates_5ghz[i].bitrate / 10,
-                                rates_5ghz[i].hw_value);
-                }
-        }
-}
-
 static int ath_detach(struct ath_softc *sc)
 {
         struct ieee80211_hw *hw = sc->hw;
@@ -1275,7 +1212,7 @@ static int ath_attach(u16 devid,
         hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
                 &sc->sbands[IEEE80211_BAND_2GHZ];
 
-        if (sc->sc_ah->ah_caps.wireless_modes & ATH9K_MODE_SEL_11A) {
+        if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
                 sc->sbands[IEEE80211_BAND_5GHZ].channels =
                         sc->channels[IEEE80211_BAND_5GHZ];
                 sc->sbands[IEEE80211_BAND_5GHZ].bitrates =