X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Fshared%2Fwlan.h;h=78b0ee42a4175fb0ccaf23668e904ca55f0a5f47;hb=HEAD;hp=24d63b583b6b08459d657055d70836c621106177;hpb=9b5dbf90780e07b9372192ea20d8e86005670d83;p=carl9170fw.git

diff --git a/include/shared/wlan.h b/include/shared/wlan.h
index 24d63b5..78b0ee4 100644
--- a/include/shared/wlan.h
+++ b/include/shared/wlan.h
@@ -4,7 +4,7 @@
  * RX/TX meta descriptor format
  *
  * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com>
+ * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -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;
@@ -270,15 +270,15 @@ struct ar9170_tx_frame {
 	struct ar9170_tx_hwdesc hdr;
 
 	union {
-		struct ieee80211_hdr i3e;
+		struct ieee80211_hdr i3e __packed __aligned(2);
 		u8 payload[0];
 	} data;
-} __packed;
+} __packed __aligned(4);
 
 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
@@ -326,8 +327,8 @@ struct _carl9170_tx_superdesc {
 struct _carl9170_tx_superframe {
 	struct _carl9170_tx_superdesc s;
 	struct _ar9170_tx_hwdesc f;
-	u8 frame_data[0];
-} __packed;
+	u8 frame_data[];
+} __packed __aligned(4);
 
 #define	CARL9170_TX_SUPERDESC_LEN		24
 #define	AR9170_TX_HWDESC_LEN			8
@@ -366,27 +367,27 @@ struct ar9170_rx_macstatus {
 
 struct ar9170_rx_frame_single {
 	struct ar9170_rx_head phy_head;
-	struct ieee80211_hdr i3e;
+	struct ieee80211_hdr i3e __packed __aligned(2);
 	struct ar9170_rx_phystatus phy_tail;
 	struct ar9170_rx_macstatus macstatus;
-} __packed;
+};
 
 struct ar9170_rx_frame_head {
 	struct ar9170_rx_head phy_head;
-	struct ieee80211_hdr i3e;
+	struct ieee80211_hdr i3e __packed __aligned(2);
 	struct ar9170_rx_macstatus macstatus;
-} __packed;
+};
 
 struct ar9170_rx_frame_middle {
-	struct ieee80211_hdr i3e;
+	struct ieee80211_hdr i3e __packed __aligned(2);
 	struct ar9170_rx_macstatus macstatus;
-} __packed;
+};
 
 struct ar9170_rx_frame_tail {
-	struct ieee80211_hdr i3e;
+	struct ieee80211_hdr i3e __packed __aligned(2);
 	struct ar9170_rx_phystatus phy_tail;
 	struct ar9170_rx_macstatus macstatus;
-} __packed;
+} __packed __aligned(4);
 
 struct ar9170_rx_frame {
 	union {
@@ -394,8 +395,8 @@ struct ar9170_rx_frame {
 		struct ar9170_rx_frame_head head;
 		struct ar9170_rx_frame_middle middle;
 		struct ar9170_rx_frame_tail tail;
-	} __packed;
-} __packed;
+	};
+};
 
 static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
 {
@@ -403,18 +404,32 @@ static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
 	       (t->DAidx & 0xc0) >> 6;
 }
 
+/*
+ * 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.
+ */
 enum ar9170_txq {
-	AR9170_TXQ_BE,
-
-	AR9170_TXQ_VI,
-	AR9170_TXQ_VO,
-	AR9170_TXQ_BK,
+	AR9170_TXQ_BK = 0,	/* TXQ0 */
+	AR9170_TXQ_BE,		/* TXQ1	*/
+	AR9170_TXQ_VI,		/* TXQ2	*/
+	AR9170_TXQ_VO,		/* TXQ3 */
 
 	__AR9170_NUM_TXQ,
 };
 
-static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 };
-
 #define	AR9170_TXQ_DEPTH			32
 
 #endif /* __CARL9170_SHARED_WLAN_H */