| Message ID | 1462796708-13880-1-git-send-email-michal.kazior@tieto.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 1ba2b527f49b4a7b226a6ca1f48ceac7d8392e10 |
| Delegated to: | Kalle Valo |
| Headers | show |
Michal Kazior <michal.kazior@tieto.com> wrote: > 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> Thanks, 1 patch applied to ath.git: 7a0adc83f34d ath10k: improve tx scheduling
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index cc979a4faeb0..7411b69fde42 100644 --- 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 ath10k *ar, struct sk_buff *skb) 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(unsigned long ptr) dev_kfree_skb_any(skb); } - ath10k_mac_tx_push_pending(ar); - num_mpdus = atomic_read(&htt->num_mpdus_ready); while (num_mpdus) { diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 6dd1d26b357f..1dd415d3c0ee 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -3781,6 +3781,9 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar) 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(); @@ -4051,9 +4054,7 @@ static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw, 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); } diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c index 576e7c42ed65..1966c787998b 100644 --- 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_htt *htt, ieee80211_tx_status(htt->ar->hw, msdu); /* we do not own the msdu anymore */ + + ath10k_mac_tx_push_pending(ar); + return 0; }
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> --- drivers/net/wireless/ath/ath10k/htt_rx.c | 3 --- drivers/net/wireless/ath/ath10k/mac.c | 7 ++++--- drivers/net/wireless/ath/ath10k/txrx.c | 3 +++ 3 files changed, 7 insertions(+), 6 deletions(-)