ar9170: rework rxstream code

With this patch ar9170 is capable of receiving aggregated 802.11n frames
and sniffing on most networks without having a "debug message overhead".

(Includes phy initialization requested by
Johannes Berg <johannes@sipsolutions.net> -- JWL)

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 6 deletions

diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h
index 53e250a4278..95bf812d6fc 100644
--- a/drivers/net/wireless/ath/ar9170/hw.h
+++ b/drivers/net/wireless/ath/ar9170/hw.h
@@ -312,7 +312,7 @@ struct ar9170_rx_head {
         u8 plcp[12];
 } __packed;
 
-struct ar9170_rx_tail {
+struct ar9170_rx_phystatus {
         union {
                 struct {
                         u8 rssi_ant0, rssi_ant1, rssi_ant2,
@@ -324,6 +324,9 @@ struct ar9170_rx_tail {
 
         u8 evm_stream0[6], evm_stream1[6];
         u8 phy_err;
+} __packed;
+
+struct ar9170_rx_macstatus {
         u8 SAidx, DAidx;
         u8 error;
         u8 status;
@@ -339,7 +342,7 @@ struct ar9170_rx_tail {
 
 #define AR9170_RX_ENC_SOFTWARE                  0x8
 
-static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_tail *t)
+static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
 {
         return (t->SAidx & 0xc0) >> 4 |
                (t->DAidx & 0xc0) >> 6;
@@ -357,10 +360,9 @@ static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_tail *t)
 
 #define AR9170_RX_STATUS_MPDU_MASK              0x30
 #define AR9170_RX_STATUS_MPDU_SINGLE            0x00
-#define AR9170_RX_STATUS_MPDU_FIRST             0x10
-#define AR9170_RX_STATUS_MPDU_MIDDLE            0x20
-#define AR9170_RX_STATUS_MPDU_LAST              0x30
-
+#define AR9170_RX_STATUS_MPDU_FIRST             0x20
+#define AR9170_RX_STATUS_MPDU_MIDDLE            0x30
+#define AR9170_RX_STATUS_MPDU_LAST              0x10
 
 #define AR9170_RX_ERROR_RXTO                    0x01
 #define AR9170_RX_ERROR_OVERRUN                 0x02
@@ -369,6 +371,7 @@ static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_tail *t)
 #define AR9170_RX_ERROR_WRONG_RA                0x10
 #define AR9170_RX_ERROR_PLCP                    0x20
 #define AR9170_RX_ERROR_MMIC                    0x40
+#define AR9170_RX_ERROR_FATAL                   0x80
 
 struct ar9170_cmd_tx_status {
         __le16 unkn;