diff options
Diffstat (limited to 'package/kernel/mac80211/patches/310-ath10k-improve-tx-scheduling.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/310-ath10k-improve-tx-scheduling.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/310-ath10k-improve-tx-scheduling.patch b/package/kernel/mac80211/patches/310-ath10k-improve-tx-scheduling.patch new file mode 100644 index 0000000000..81ac2db842 --- /dev/null +++ b/package/kernel/mac80211/patches/310-ath10k-improve-tx-scheduling.patch @@ -0,0 +1,67 @@ +From: Michal Kazior <michal.kazior@tieto.com> +Date: Mon, 23 May 2016 23:12:45 +0300 +Subject: [PATCH] ath10k: improve tx scheduling + +Recent changes revolving around implementing +wake_tx_queue support introduced a significant +performance regressions on some (slower, uni-proc) +systems. + +Signed-off-by: Michal Kazior <michal.kazior@tieto.com> +Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> +--- + +--- a/drivers/net/wireless/ath/ath10k/htt_rx.c ++++ b/drivers/net/wireless/ath/ath10k/htt_rx.c +@@ -2291,7 +2291,6 @@ bool ath10k_htt_t2h_msg_handler(struct a + ath10k_htt_tx_mgmt_dec_pending(htt); + spin_unlock_bh(&htt->tx_lock); + } +- ath10k_mac_tx_push_pending(ar); + break; + } + case HTT_T2H_MSG_TYPE_TX_COMPL_IND: +@@ -2442,8 +2441,6 @@ static void ath10k_htt_txrx_compl_task(u + dev_kfree_skb_any(skb); + } + +- ath10k_mac_tx_push_pending(ar); +- + num_mpdus = atomic_read(&htt->num_mpdus_ready); + + while (num_mpdus) { +--- a/drivers/net/wireless/ath/ath10k/mac.c ++++ b/drivers/net/wireless/ath/ath10k/mac.c +@@ -3827,6 +3827,9 @@ void ath10k_mac_tx_push_pending(struct a + int ret; + int max; + ++ if (ar->htt.num_pending_tx >= (ar->htt.max_num_pending_tx / 2)) ++ return; ++ + spin_lock_bh(&ar->txqs_lock); + rcu_read_lock(); + +@@ -4097,9 +4100,7 @@ static void ath10k_mac_op_wake_tx_queue( + list_add_tail(&artxq->list, &ar->txqs); + spin_unlock_bh(&ar->txqs_lock); + +- if (ath10k_mac_tx_can_push(hw, txq)) +- tasklet_schedule(&ar->htt.txrx_compl_task); +- ++ ath10k_mac_tx_push_pending(ar); + ath10k_htt_tx_txq_update(hw, txq); + } + +--- a/drivers/net/wireless/ath/ath10k/txrx.c ++++ b/drivers/net/wireless/ath/ath10k/txrx.c +@@ -117,6 +117,9 @@ int ath10k_txrx_tx_unref(struct ath10k_h + + ieee80211_tx_status(htt->ar->hw, msdu); + /* we do not own the msdu anymore */ ++ ++ ath10k_mac_tx_push_pending(ar); ++ + return 0; + } + |