diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/hw.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/mac.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/main.c | 4 |
3 files changed, 27 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h index 95bf812d6fc..3293e0fb24f 100644 --- a/drivers/net/wireless/ath/ar9170/hw.h +++ b/drivers/net/wireless/ath/ar9170/hw.h @@ -207,6 +207,8 @@ enum ar9170_cmd { #define AR9170_MAC_REG_AC1_AC0_TXOP (AR9170_MAC_REG_BASE + 0xB44) #define AR9170_MAC_REG_AC3_AC2_TXOP (AR9170_MAC_REG_BASE + 0xB48) +#define AR9170_MAC_REG_AMPDU_SET (AR9170_MAC_REG_BASE + 0xba0) + #define AR9170_MAC_REG_ACK_TABLE (AR9170_MAC_REG_BASE + 0xC00) #define AR9170_MAC_REG_AMPDU_RX_THRESH (AR9170_MAC_REG_BASE + 0xC50) diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c index 0e5967dd119..45986b6eadb 100644 --- a/drivers/net/wireless/ath/ar9170/mac.c +++ b/drivers/net/wireless/ath/ar9170/mac.c @@ -72,6 +72,24 @@ int ar9170_set_qos(struct ar9170 *ar) return ar9170_regwrite_result(); } +static int ar9170_set_ampdu_density(struct ar9170 *ar, u8 mpdudensity) +{ + u32 val; + + /* don't allow AMPDU density > 8us */ + if (mpdudensity > 6) + return -EINVAL; + + /* Watch out! Otus uses slightly different density values. */ + val = 0x140a00 | (mpdudensity ? (mpdudensity + 1) : 0); + + ar9170_regwrite_begin(ar); + ar9170_regwrite(AR9170_MAC_REG_AMPDU_SET, val); + ar9170_regwrite_finish(); + + return ar9170_regwrite_result(); +} + int ar9170_init_mac(struct ar9170 *ar) { ar9170_regwrite_begin(ar); @@ -296,6 +314,11 @@ int ar9170_set_operating_mode(struct ar9170 *ar) if (err) return err; + /* set AMPDU density to 8us. */ + err = ar9170_set_ampdu_density(ar, 6); + if (err) + return err; + ar9170_regwrite_begin(ar); ar9170_regwrite(AR9170_MAC_REG_POWERMANAGEMENT, pm_mode); diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index 3bd3a61225c..4ef1d2fc859 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -151,8 +151,8 @@ static struct ieee80211_channel ar9170_5ghz_chantable[] = { IEEE80211_HT_CAP_SGI_40 | \ IEEE80211_HT_CAP_DSSSCCK40 | \ IEEE80211_HT_CAP_SM_PS, \ - .ampdu_factor = 3, /* ?? */ \ - .ampdu_density = 7, /* ?? */ \ + .ampdu_factor = 3, \ + .ampdu_density = 6, \ .mcs = { \ .rx_mask = { 0xFF, 0xFF, 0, 0, 0, 0, 0, 0, 0, 0, }, \ }, \ |