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Tue, 21 Jul 2020 17:14:54 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 0BF1BC43395; Tue, 21 Jul 2020 17:14:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from pillair-linux.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pillair) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4650CC43391; Tue, 21 Jul 2020 17:14:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4650CC43391 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=pillair@codeaurora.org From: Rakesh Pillai To: ath10k@lists.infradead.org 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> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1595351666-28193-1-git-send-email-pillair@codeaurora.org> References: <1595351666-28193-1-git-send-email-pillair@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200721_131505_247516_695EE039 X-CRM114-Status: GOOD ( 15.82 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [104.130.122.29 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [104.130.122.29 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 MIME-Version: 1.0 Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.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);