From 087428d39721c7a721559977444dc7150132ce68 Mon Sep 17 00:00:00 2001
From: Liad Kaufman <liad.kaufman@intel.com>
Date: Mon, 23 Oct 2017 15:02:42 +0300
Subject: [PATCH] iwlwifi: mvm: support MGMT frames in compressed BA
Git-commit: 087428d39721c7a721559977444dc7150132ce68
Patch-mainline: v4.16-rc1
References: FATE#326294
In A000 family, compressed BA notifs can include MGMT
frames, so don't fail RXs in such a case.
While at it, since in A000 the TID for MGMT frames is
15, treat it in the RX flow as if received TID 8. This
way we won't require special handling of this TID.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index d88c3685a6dd..0407ea30bb82 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -1623,7 +1623,7 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
int freed;
if (WARN_ONCE(sta_id >= IWL_MVM_STATION_COUNT ||
- tid >= IWL_MAX_TID_COUNT,
+ tid > IWL_MAX_TID_COUNT,
"sta_id %d tid %d", sta_id, tid))
return;
@@ -1678,7 +1678,7 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
if (ieee80211_is_data_qos(hdr->frame_control))
freed++;
else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(tid != IWL_MAX_TID_COUNT);
iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
@@ -1770,8 +1770,12 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
struct iwl_mvm_compressed_ba_tfd *ba_tfd =
&ba_res->tfd[i];
+ tid = ba_tfd->tid;
+ if (tid == IWL_MGMT_TID)
+ tid = IWL_MAX_TID_COUNT;
+
mvmsta->tid_data[i].lq_color = lq_color;
- iwl_mvm_tx_reclaim(mvm, sta_id, ba_tfd->tid,
+ iwl_mvm_tx_reclaim(mvm, sta_id, tid,
(int)(le16_to_cpu(ba_tfd->q_num)),
le16_to_cpu(ba_tfd->tfd_index),
&ba_info,
--
2.19.2