High latency chipsest does not seem to send any
HTT_T2H_MSG_TYPE_TX_COMPL_IND for outgoing frames.
This means that htt->num_pending_tx will never be
decremented and we will eventually hit the maximum
limit. All outgoing packets will then be discarded.
Signed-off-by: Erik Stromdahl <erik.stromdahl@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/htt_tx.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 82d01139ff92..c74fc137ac67 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -153,6 +153,9 @@ void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw,
void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt)
{
+ if (htt->ar->is_high_latency)
+ return;
+
lockdep_assert_held(&htt->tx_lock);
htt->num_pending_tx--;
@@ -162,6 +165,9 @@ void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt)
int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt)
{
+ if (htt->ar->is_high_latency)
+ return 0;
+
lockdep_assert_held(&htt->tx_lock);
if (htt->num_pending_tx >= htt->max_num_pending_tx)
--
2.14.1
