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