iwlwifi: mvm: support new TX response for TVQM

In TVQM mode the TX responses were changed to include
queue number since legacy TX queue number retrieval cannot
be scaled up to 512 queues.
Support this change.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

1 files changed, 18 insertions, 24 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h
index f83ee6e760d0..e9f055706a6f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h
@@ -548,9 +548,11 @@ struct agg_tx_status {
  * @tlc_info: TLC rate info
  * @ra_tid: bits [3:0] = ra, bits [7:4] = tid
  * @frame_ctrl: frame control
+ * @tx_queue: TX queue for this response
  * @status: for non-agg:  frame status TX_STATUS_*
  *	for agg: status of 1st frame, AGG_TX_STATE_*; other frame status fields
  *	follow this one, up to frame_count.
+ *	For version 6 TX response isn't received for aggregation at all.
  *
  * After the array of statuses comes the SSN of the SCD. Look at
  * %iwl_mvm_get_scd_ssn for more details.
@@ -577,9 +579,17 @@ struct iwl_mvm_tx_resp {
 	u8 tlc_info;
 	u8 ra_tid;
 	__le16 frame_ctrl;
-
-	struct agg_tx_status status;
-} __packed; /* TX_RSP_API_S_VER_3 */
+	union {
+		struct {
+			struct agg_tx_status status;
+		} v3;/* TX_RSP_API_S_VER_3 */
+		struct {
+			__le16 tx_queue;
+			__le16 reserved2;
+			struct agg_tx_status status;
+		} v6;
+	};
+} __packed; /* TX_RSP_API_S_VER_6 */
 
 /**
  * struct iwl_mvm_ba_notif - notifies about reception of BA
@@ -619,11 +629,14 @@ struct iwl_mvm_ba_notif {
  * struct iwl_mvm_compressed_ba_tfd - progress of a TFD queue
  * @q_num: TFD queue number
  * @tfd_index: Index of first un-acked frame in the  TFD queue
+ * @scd_queue: For debug only - the physical queue the TFD queue is bound to
  */
 struct iwl_mvm_compressed_ba_tfd {
-	u8 q_num;
-	u8 reserved;
+	__le16 q_num;
 	__le16 tfd_index;
+	u8 scd_queue;
+	u8 reserved;
+	__le16 reserved2;
 } __packed; /* COMPRESSED_BA_TFD_API_S_VER_1 */
 
 /**
@@ -799,25 +812,6 @@ struct iwl_tx_path_flush_cmd {
 	__le16 reserved;
 } __packed; /* TX_PATH_FLUSH_CMD_API_S_VER_1 */
 
-/**
- * iwl_mvm_get_scd_ssn - returns the SSN of the SCD
- * @tx_resp: the Tx response from the fw (agg or non-agg)
- *
- * When the fw sends an AMPDU, it fetches the MPDUs one after the other. Since
- * it can't know that everything will go well until the end of the AMPDU, it
- * can't know in advance the number of MPDUs that will be sent in the current
- * batch. This is why it writes the agg Tx response while it fetches the MPDUs.
- * Hence, it can't know in advance what the SSN of the SCD will be at the end
- * of the batch. This is why the SSN of the SCD is written at the end of the
- * whole struct at a variable offset. This function knows how to cope with the
- * variable offset and returns the SSN of the SCD.
- */
-static inline u32 iwl_mvm_get_scd_ssn(struct iwl_mvm_tx_resp *tx_resp)
-{
-	return le32_to_cpup((__le32 *)&tx_resp->status +
-			    tx_resp->frame_count) & 0xfff;
-}
-
 /* Available options for the SCD_QUEUE_CFG HCMD */
 enum iwl_scd_cfg_actions {
 	SCD_CFG_DISABLE_QUEUE		= 0x0,