From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail29.static.mailgun.info ([104.130.122.29]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxvr2-0000XH-AY for ath10k@lists.infradead.org; Tue, 21 Jul 2020 17:15:05 +0000 From: Rakesh Pillai Subject: [RFC 3/7] ath10k: Add module param to enable rx thread Date: Tue, 21 Jul 2020 22:44:22 +0530 Message-Id: <1595351666-28193-4-git-send-email-pillair@codeaurora.org> In-Reply-To: <1595351666-28193-1-git-send-email-pillair@codeaurora.org> References: <1595351666-28193-1-git-send-email-pillair@codeaurora.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: ath10k@lists.infradead.org Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, evgreen@chromium.org, dianders@chromium.org, Rakesh Pillai , kuba@kernel.org, johannes@sipsolutions.net, davem@davemloft.net, kvalo@codeaurora.org Add a module parameter to enable or disable the processing of received packets in rx thread. To enable rx packet processing in a thread context, use the belo command to load driver: insmod ath10k_snoc.ko rx_thread_enable=1 Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1 Signed-off-by: Rakesh Pillai --- drivers/net/wireless/ath/ath10k/core.h | 1 + drivers/net/wireless/ath/ath10k/snoc.c | 24 +++++++++++++++++------- 2 files changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 96919e8..59bdf11 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -998,6 +998,7 @@ struct ath10k { } msa; u8 mac_addr[ETH_ALEN]; + bool rx_thread_enable; struct ath10k_thread rx_thread; enum ath10k_hw_rev hw_rev; u16 dev_id; diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index 463c34e..f01725b 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -26,6 +26,12 @@ #define CE_POLL_PIPE 4 #define ATH10K_SNOC_WAKE_IRQ 2 +static bool ath10k_rx_thread_enable; + +module_param_named(rx_thread_enable, ath10k_rx_thread_enable, bool, 0644); + +MODULE_PARM_DESC(rx_thread_enable, "Receive packet processing in thread"); + static char *const ce_name[] = { "WLAN_CE_0", "WLAN_CE_1", @@ -941,7 +947,8 @@ static void ath10k_snoc_hif_stop(struct ath10k *ar) napi_synchronize(&ar->napi); napi_disable(&ar->napi); - ath10k_core_thread_shutdown(ar, &ar->rx_thread); + if (ar->rx_thread_enable) + ath10k_core_thread_shutdown(ar, &ar->rx_thread); ath10k_snoc_buffer_cleanup(ar); ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n"); } @@ -954,12 +961,14 @@ static int ath10k_snoc_hif_start(struct ath10k *ar) bitmap_clear(ar_snoc->pending_ce_irqs, 0, CE_COUNT_MAX); napi_enable(&ar->napi); - ret = ath10k_core_thread_init(ar, &ar->rx_thread, - ath10k_snoc_rx_thread_loop, - "ath10k_rx_thread"); - if (ret) { - ath10k_err(ar, "failed to start rx thread\n"); - goto rx_thread_fail; + if (ar->rx_thread_enable) { + ret = ath10k_core_thread_init(ar, &ar->rx_thread, + ath10k_snoc_rx_thread_loop, + "ath10k_rx_thread"); + if (ret) { + ath10k_err(ar, "failed to start rx thread\n"); + goto rx_thread_fail; + } } ath10k_snoc_irq_enable(ar); @@ -1693,6 +1702,7 @@ static int ath10k_snoc_probe(struct platform_device *pdev) } ar->rx_thread.ar = ar; + ar->rx_thread_enable = ath10k_rx_thread_enable; ar_snoc = ath10k_snoc_priv(ar); ar_snoc->dev = pdev; platform_set_drvdata(pdev, ar); -- 2.7.4 _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k