X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Fshared%2Fwlan.h;h=6d6a506cf8c8fde0452864643139e878f5e5298b;hb=a9c6deb3f90e2a8362e555ed78a56a134be7d52f;hp=24d63b583b6b08459d657055d70836c621106177;hpb=9b5dbf90780e07b9372192ea20d8e86005670d83;p=carl9170fw.git

diff --git a/include/shared/wlan.h b/include/shared/wlan.h
index 24d63b5..6d6a506 100644
--- a/include/shared/wlan.h
+++ b/include/shared/wlan.h
@@ -251,7 +251,7 @@ struct carl9170_tx_superdesc {
 	u8 ampdu_commit_factor:1;
 	u8 ampdu_unused_bit:1;
 	u8 queue:2;
-	u8 reserved:1;
+	u8 assign_seq:1;
 	u8 vif_id:3;
 	u8 fill_in_tsf:1;
 	u8 cab:1;
@@ -278,7 +278,7 @@ struct ar9170_tx_frame {
 struct carl9170_tx_superframe {
 	struct carl9170_tx_superdesc s;
 	struct ar9170_tx_frame f;
-} __packed;
+} __packed __aligned(4);
 
 #endif /* __CARL9170FW__ */
 
@@ -299,6 +299,7 @@ struct _ar9170_tx_hwdesc {
 
 #define CARL9170_TX_SUPER_MISC_QUEUE			0x3
 #define CARL9170_TX_SUPER_MISC_QUEUE_S			0
+#define CARL9170_TX_SUPER_MISC_ASSIGN_SEQ		0x4
 #define	CARL9170_TX_SUPER_MISC_VIF_ID			0x38
 #define	CARL9170_TX_SUPER_MISC_VIF_ID_S			3
 #define	CARL9170_TX_SUPER_MISC_FILL_IN_TSF		0x40
@@ -327,7 +328,7 @@ struct _carl9170_tx_superframe {
 	struct _carl9170_tx_superdesc s;
 	struct _ar9170_tx_hwdesc f;
 	u8 frame_data[0];
-} __packed;
+} __packed __aligned(4);
 
 #define	CARL9170_TX_SUPERDESC_LEN		24
 #define	AR9170_TX_HWDESC_LEN			8
@@ -413,6 +414,23 @@ enum ar9170_txq {
 	__AR9170_NUM_TXQ,
 };
 
+/*
+ * This is an workaround for several undocumented bugs.
+ * Don't mess with the QoS/AC <-> HW Queue map, if you don't
+ * know what you are doing.
+ *
+ * Known problems [hardware]:
+ *  * The MAC does not aggregate frames on anything other
+ *    than the first HW queue.
+ *  * when an AMPDU is placed [in the first hw queue] and
+ *    additional frames are already queued on a different
+ *    hw queue, the MAC will ALWAYS freeze.
+ *
+ * In a nutshell: The hardware can either do QoS or
+ * Aggregation but not both at the same time. As a
+ * result, this makes the device pretty much useless
+ * for any serious 802.11n setup.
+ */
 static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 };
 
 #define	AR9170_TXQ_DEPTH			32