netdev - [PATCH] ath10k: enable threaded napi on ath10k driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 14 Dec 2021 22:39:36 +0000
From:   Abhishek Kumar <kuabhs@...omium.org>
To:     kvalo@...eaurora.org, briannorris@...omium.org
Cc:     linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        dianders@...omium.org, kuabhs@...omium.org, pillair@...eaurora.org,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, ath10k@...ts.infradead.org,
        netdev@...r.kernel.org
Subject: [PATCH] ath10k: enable threaded napi on ath10k driver

NAPI poll can be done in threaded context along with soft irq
context. Threaded context can be scheduled efficiently, thus
creating less of bottleneck during Rx processing. This patch is
to enable threaded NAPI on ath10k driver.

Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.2.2-00696-QCAHLSWMTPL-1
Signed-off-by: Abhishek Kumar <kuabhs@...omium.org>
---

 drivers/net/wireless/ath/ath10k/pci.c  | 1 +
 drivers/net/wireless/ath/ath10k/sdio.c | 1 +
 drivers/net/wireless/ath/ath10k/snoc.c | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 4d4e2f91e15c..584307574d99 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -1958,6 +1958,7 @@ static int ath10k_pci_hif_start(struct ath10k *ar)
 
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif start\n");
 
+	dev_set_threaded(&ar->napi_dev, true);
 	ath10k_core_napi_enable(ar);
 
 	ath10k_pci_irq_enable(ar);
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 63e1c2d783c5..52ef74d9811a 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -1862,6 +1862,7 @@ static int ath10k_sdio_hif_start(struct ath10k *ar)
 	struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
 	int ret;
 
+	dev_set_threaded(&ar->napi_dev, true);
 	ath10k_core_napi_enable(ar);
 
 	/* Sleep 20 ms before HIF interrupts are disabled.
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 9513ab696fff..e7d12dbb3fa5 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -926,7 +926,7 @@ static int ath10k_snoc_hif_start(struct ath10k *ar)
 	struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 
 	bitmap_clear(ar_snoc->pending_ce_irqs, 0, CE_COUNT_MAX);
-
+	dev_set_threaded(&ar->napi_dev, true);
 	ath10k_core_napi_enable(ar);
 	ath10k_snoc_irq_enable(ar);
 	ath10k_snoc_rx_post(ar);
-- 
2.34.1.173.g76aa8bc2d0-goog