ath9k: Handle channel initialization for AP mode
Hostapd now passes the HT parameters through the config()
callback, use these to set the appropriate channel in AP mode.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 93dfea8..7c08583 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1304,6 +1304,38 @@
xretries, long_retry);
}
+static struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
+ enum ieee80211_band band,
+ bool is_ht, bool is_cw_40)
+{
+ int mode = 0;
+
+ switch(band) {
+ case IEEE80211_BAND_2GHZ:
+ mode = ATH9K_MODE_11G;
+ if (is_ht)
+ mode = ATH9K_MODE_11NG_HT20;
+ if (is_cw_40)
+ mode = ATH9K_MODE_11NG_HT40PLUS;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ mode = ATH9K_MODE_11A;
+ if (is_ht)
+ mode = ATH9K_MODE_11NA_HT20;
+ if (is_cw_40)
+ mode = ATH9K_MODE_11NA_HT40PLUS;
+ break;
+ default:
+ DPRINTF(sc, ATH_DBG_RATE, "Invalid band\n");
+ return NULL;
+ }
+
+ BUG_ON(mode >= ATH9K_MODE_MAX);
+
+ DPRINTF(sc, ATH_DBG_RATE, "Choosing rate table for mode: %d\n", mode);
+ return sc->hw_rate_table[mode];
+}
+
static void ath_rc_init(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
struct ieee80211_supported_band *sband,
@@ -1314,16 +1346,25 @@
u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
u8 i, j, k, hi = 0, hthi = 0;
- rate_table = sc->hw_rate_table[sc->sc_curmode];
+ /* FIXME: Adhoc */
+ if ((sc->sc_ah->ah_opmode == ATH9K_M_STA) ||
+ (sc->sc_ah->ah_opmode == ATH9K_M_IBSS)) {
+ bool is_cw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ rate_table = ath_choose_rate_table(sc, sband->band,
+ sta->ht_cap.ht_supported,
+ is_cw_40);
+ } else if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) {
+ /* sc_curmode would be set on init through config() */
+ rate_table = sc->hw_rate_table[sc->sc_curmode];
+ }
+
+ if (!rate_table) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n");
+ return;
+ }
if (sta->ht_cap.ht_supported) {
- if (sband->band == IEEE80211_BAND_2GHZ)
- rate_table = sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
- else
- rate_table = sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
-
ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG);
-
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG;
}