diff options
Diffstat (limited to 'drivers/net/wireless/ath/ar9170/mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/mac.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c index 706262fb092..d9f1f46de18 100644 --- a/drivers/net/wireless/ath/ar9170/mac.c +++ b/drivers/net/wireless/ath/ar9170/mac.c @@ -38,6 +38,55 @@ #include "ar9170.h" #include "cmd.h" +int ar9170_set_dyn_sifs_ack(struct ar9170 *ar) +{ + u32 val; + + if (conf_is_ht40(&ar->hw->conf)) + val = 0x010a; + else { + if (ar->hw->conf.channel->band == IEEE80211_BAND_2GHZ) + val = 0x105; + else + val = 0x104; + } + + return ar9170_write_reg(ar, AR9170_MAC_REG_DYNAMIC_SIFS_ACK, val); +} + +int ar9170_set_slot_time(struct ar9170 *ar) +{ + u32 slottime = 20; + + if (!ar->vif) + return 0; + + if ((ar->hw->conf.channel->band == IEEE80211_BAND_5GHZ) || + ar->vif->bss_conf.use_short_slot) + slottime = 9; + + return ar9170_write_reg(ar, AR9170_MAC_REG_SLOT_TIME, slottime << 10); +} + +int ar9170_set_basic_rates(struct ar9170 *ar) +{ + u8 cck, ofdm; + + if (!ar->vif) + return 0; + + ofdm = ar->vif->bss_conf.basic_rates >> 4; + + /* FIXME: is still necessary? */ + if (ar->hw->conf.channel->band == IEEE80211_BAND_5GHZ) + cck = 0; + else + cck = ar->vif->bss_conf.basic_rates & 0xf; + + return ar9170_write_reg(ar, AR9170_MAC_REG_BASIC_RATE, + ofdm << 8 | cck); +} + int ar9170_set_qos(struct ar9170 *ar) { ar9170_regwrite_begin(ar); |