[12/13] wcn36xx: Add Host suspend indication support

Message ID	20201228162839.369156-13-bryan.odonoghue@linaro.org
State	Superseded
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of wcn36xx-bounces+patch=linaro.org@lists.infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) client-ip=2001:8b0:10b:1231::1; From: Bryan O'Donoghue <bryan.odonoghue@linaro.org> To: kvalo@codeaurora.org, wcn36xx@lists.infradead.org, linux-wireless@vger.kernel.org Subject: [PATCH 12/13] wcn36xx: Add Host suspend indication support Date: Mon, 28 Dec 2020 16:28:38 +0000 Message-Id: <20201228162839.369156-13-bryan.odonoghue@linaro.org> In-Reply-To: <20201228162839.369156-1-bryan.odonoghue@linaro.org> References: <20201228162839.369156-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:336 listed in] [list.dnswl.org] 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_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -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 Precedence: list Cc: bryan.odonoghue@linaro.org, shawn.guo@linaro.org, loic.poulain@linaro.org, benl@squareup.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "wcn36xx" <wcn36xx-bounces@lists.infradead.org> Errors-To: wcn36xx-bounces+patch=linaro.org@lists.infradead.org
Series	wcn36xx: Enable downstream consistent Wake on Lan \| expand [00/13] wcn36xx: Enable downstream consistent Wake on Lan [01/13] wcn36xx: Return result of set_power_params in suspend [02/13] wcn36xx: Run suspend for the first ieee80211_vif [03/13] wcn36xx: Add ipv4 ARP offload support in suspend [04/13] wcn36xx: Do not flush indication queue on suspend/resume [05/13] wcn36xx: Add ipv6 address tracking [06/13] wcn36xx: Add ipv6 namespace offload in suspend [07/13] wcn36xx: Flag WIPHY_WOWLAN_MAGIC_PKT [08/13] wcn36xx: Add set_rekey_data callback [09/13] wcn36xx: Add GTK offload to WoWLAN path [10/13] wcn36xx: Add GTK offload info to WoWLAN resume [11/13] wcn36xx: Do not suspend if scan in progress [12/13] wcn36xx: Add Host suspend indication support [13/13] wcn36xx: Add host resume request support

Message ID

20201228162839.369156-13-bryan.odonoghue@linaro.org

State

Superseded

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From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: kvalo@codeaurora.org, wcn36xx@lists.infradead.org,
	linux-wireless@vger.kernel.org
Subject: [PATCH 12/13] wcn36xx: Add Host suspend indication support
Date: Mon, 28 Dec 2020 16:28:38 +0000
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Series

wcn36xx: Enable downstream consistent Wake on Lan | expand

Commit Message

Bryan O'Donoghue Dec. 28, 2020, 4:28 p.m. UTC

In order to activate ipv4 ARP offload, ipv6 NS offload and firmware GTK
offload we need to send a unidirectional indication from host to wcn
indicating a transition to suspend.

Once done, firmware will respond to ARP broadcasts, ipv6 NS lookups and
perform GTK rekeys without waking the host.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

---
 drivers/net/wireless/ath/wcn36xx/main.c |  3 +++
 drivers/net/wireless/ath/wcn36xx/smd.c  | 19 +++++++++++++++++++
 drivers/net/wireless/ath/wcn36xx/smd.h  |  2 ++
 3 files changed, 24 insertions(+)

-- 
2.29.2


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diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index feb909192c8e..ec24b0cc5b8c 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -1134,6 +1134,9 @@  static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow)
 		if (ret)
 			goto out;
 		ret = wcn36xx_smd_set_power_params(wcn, true);
+		if (ret)
+			goto out;
+		ret = wcn36xx_smd_wlan_host_suspend_ind(wcn);
 	}
 out:
 	mutex_unlock(&wcn->conf_mutex);
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 378282a93aa0..5450d56d8e1c 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -2970,6 +2970,25 @@  int wcn36xx_smd_gtk_offload_get_info(struct wcn36xx *wcn,
 	return ret;
 }
 
+int wcn36xx_smd_wlan_host_suspend_ind(struct wcn36xx *wcn)
+{
+	struct wcn36xx_hal_wlan_host_suspend_ind_msg msg_body;
+	int ret;
+
+	mutex_lock(&wcn->hal_mutex);
+
+	INIT_HAL_MSG(msg_body, WCN36XX_HAL_HOST_SUSPEND_IND);
+	msg_body.configured_mcst_bcst_filter_setting = 0;
+	msg_body.active_session_count = 1;
+	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+
+	ret = rpmsg_send(wcn->smd_channel, wcn->hal_buf, msg_body.header.len);
+
+	mutex_unlock(&wcn->hal_mutex);
+
+	return ret;
+}
+
 int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
 			    void *buf, int len, void *priv, u32 addr)
 {
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h
index 3488abb201d0..77efcfa145ec 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.h
+++ b/drivers/net/wireless/ath/wcn36xx/smd.h
@@ -161,4 +161,6 @@  int wcn36xx_smd_gtk_offload_get_info(struct wcn36xx *wcn,
 
 bool wcn36xx_smd_is_scanning(struct wcn36xx *wcn);
 
+int wcn36xx_smd_wlan_host_suspend_ind(struct wcn36xx *wcn);
+
 #endif	/* _SMD_H_ */

[12/13] wcn36xx: Add Host suspend indication support

Commit Message

Patch