[PATCHv4 16/17] mwifiex: using right tid for addressing ra_list

[Avinash Patil <patila@marvell.com>]

From: Xinming Hu <huxm@marvell.com>

This patch fixes issue with the accessing correct ra_list by
downgrading corresponding tid number.

Alternatively, ra lists are created in mwifiex_wmm_add_buf_txqueue
using downgraded tid number.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/11n.c           | 11 ++++++++---
 drivers/net/wireless/mwifiex/11n_rxreorder.c |  5 ++++-
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index 8422986..4d8ef49 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -156,7 +156,7 @@ int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
 int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
 			      struct host_cmd_ds_command *resp)
 {
-	int tid;
+	int tid, tid_down;
 	struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &resp->params.add_ba_rsp;
 	struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
 	struct mwifiex_ra_list_tbl *ra_list;
@@ -167,7 +167,9 @@ int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
 
 	tid = (block_ack_param_set & IEEE80211_ADDBA_PARAM_TID_MASK)
 	       >> BLOCKACKPARAM_TID_POS;
-	ra_list = mwifiex_wmm_get_ralist_node(priv, tid, add_ba_rsp->
+
+	tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
+	ra_list = mwifiex_wmm_get_ralist_node(priv, tid_down, add_ba_rsp->
 		peer_mac_addr);
 	if (le16_to_cpu(add_ba_rsp->status_code) != BA_RESULT_SUCCESS) {
 		if (ra_list) {
@@ -530,13 +532,16 @@ void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
 	struct mwifiex_tx_ba_stream_tbl *new_node;
 	struct mwifiex_ra_list_tbl *ra_list;
 	unsigned long flags;
+	int tid_down;
 
 	if (!mwifiex_get_ba_tbl(priv, tid, ra)) {
 		new_node = kzalloc(sizeof(struct mwifiex_tx_ba_stream_tbl),
 				   GFP_ATOMIC);
 		if (!new_node)
 			return;
-		ra_list = mwifiex_wmm_get_ralist_node(priv, tid, ra);
+
+		tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
+		ra_list = mwifiex_wmm_get_ralist_node(priv, tid_down, ra);
 		if (ra_list) {
 			ra_list->ba_status = ba_status;
 			ra_list->amsdu_in_ampdu = false;
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c
index 39d7a95..64401a7 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.c
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c
@@ -663,6 +663,7 @@ mwifiex_del_ba_tbl(struct mwifiex_private *priv, int tid, u8 *peer_mac,
 	struct mwifiex_ra_list_tbl *ra_list;
 	u8 cleanup_rx_reorder_tbl;
 	unsigned long flags;
+	int tid_down;
 
 	if (type == TYPE_DELBA_RECEIVE)
 		cleanup_rx_reorder_tbl = (initiator) ? true : false;
@@ -688,7 +689,9 @@ mwifiex_del_ba_tbl(struct mwifiex_private *priv, int tid, u8 *peer_mac,
 				    "event: TID, RA not found in table\n");
 			return;
 		}
-		ra_list = mwifiex_wmm_get_ralist_node(priv, tid, peer_mac);
+
+		tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
+		ra_list = mwifiex_wmm_get_ralist_node(priv, tid_down, peer_mac);
 		if (ra_list) {
 			ra_list->amsdu_in_ampdu = false;
 			ra_list->ba_status = BA_SETUP_NONE;
-- 
1.8.1.4