iwlwifi: fix host command header according the HW spec
This patch aligns definition of host command with the spec. The
inaccuracies weren't critical though.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index fbd8cc1..8d04e96 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -163,6 +163,13 @@
/* iwl_cmd_header flags value */
#define IWL_CMD_FAILED_MSK 0x40
+#define SEQ_TO_QUEUE(s) (((s) >> 8) & 0x1f)
+#define QUEUE_TO_SEQ(q) (((q) & 0x1f) << 8)
+#define SEQ_TO_INDEX(s) ((s) & 0xff)
+#define INDEX_TO_SEQ(i) ((i) & 0xff)
+#define SEQ_HUGE_FRAME __constant_cpu_to_le16(0x4000)
+#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
+
/**
* struct iwl_cmd_header
*
@@ -171,7 +178,7 @@
*/
struct iwl_cmd_header {
u8 cmd; /* Command ID: REPLY_RXON, etc. */
- u8 flags; /* IWL_CMD_* */
+ u8 flags; /* 0:5 reserved, 6 abort, 7 internal */
/*
* The driver sets up the sequence number to values of its chosing.
* uCode does not use this value, but passes it back to the driver
@@ -187,11 +194,12 @@
*
* The Linux driver uses the following format:
*
- * 0:7 index/position within Tx queue
- * 8:13 Tx queue selection
- * 14:14 driver sets this to indicate command is in the 'huge'
- * storage at the end of the command buffers, i.e. scan cmd
- * 15:15 uCode sets this in uCode-originated response/notification
+ * 0:7 tfd index - position within TX queue
+ * 8:12 TX queue id
+ * 13 reserved
+ * 14 huge - driver sets this to indicate command is in the
+ * 'huge' storage at the end of the command buffers
+ * 15 unsolicited RX or uCode-originated notification
*/
__le16 sequence;