Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp3236172pxf; Mon, 15 Mar 2021 05:09:38 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwX+c/5Y+je5x+fG2Ck92A/4qWXDvE41F+n1qC5kBYmQ+udcGMqMlg3Bajv+h0cK8vksME2 X-Received: by 2002:a17:906:894:: with SMTP id n20mr22917445eje.57.1615810178152; Mon, 15 Mar 2021 05:09:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1615810178; cv=none; d=google.com; s=arc-20160816; b=Nd6JzT0wQsd21YUySzzvzKwfyziv1I+5XUNpVmM/FWOXs3lCTaTP20sV+vsNyvCfTy E0GnSD++8PVL6so9CPI+Ion+0tXwGX9AstYCv2OR311SBGwY8ocUhUZUE3XqzGj7ppjc 1Ji72msHyAwX64vQ1deRseC6xkXareGNtP7UQmeZfgw4I4cjnvZjOqW3Z/an4SOKr2SR TUDbUigTs5BQ4rwT0APvMOWBPuBB2WlnUejlQDEUtguPy6N6dBAkuR0ntvqvffs6lTns knJJ71bzDo53BJFZ9K1Tnz53PPejzxFXS5tk5L6X37tJSYZtwR4V3o/3SZ7tzZ/pB2df WOWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=ONHI2fbjYbzj5/3JjsXCEhoFBnrzZ23MWIBVbw21Y74=; b=y+I6PO45eoauZ1t+g+za/MQbo3dmEiR0Zfmi1vyzfFPPiKJeJIDN8Q4kedm+QVc8ei htl4G8Ds2w1rxmxF2laBAlxKYMjlj+kZ/zVEWHYCoTb8lQPQV1NmnEdbJTjUIuFng4TA JzwjI06WH2BWP2SX7D/kkzU2+KCo6tLFsNbaigMfAlTG7zgnWxIsm6QD31QYSK+z5nym jBOIzg8TkWaaCI8zOVX6Lv3ew84xS0/8ZRxhQsfzujG0cAkk5tu1Fi84bQEFcgM7VICk AKUyQ8pQX6E7Bl/iCE3LYHwAvEw38Mtk7gr1DloQmcNVCdJlIiUBi75mpAqX1/JrJV1S /3MA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="NZ/Q8ih8"; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id jz16si11087465ejb.586.2021.03.15.05.09.15; Mon, 15 Mar 2021 05:09:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="NZ/Q8ih8"; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231174AbhCOMIp (ORCPT + 99 others); Mon, 15 Mar 2021 08:08:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230458AbhCOMIV (ORCPT ); Mon, 15 Mar 2021 08:08:21 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C98F9C061574 for ; Mon, 15 Mar 2021 05:08:20 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id b9so5570767wrt.8 for ; Mon, 15 Mar 2021 05:08:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ONHI2fbjYbzj5/3JjsXCEhoFBnrzZ23MWIBVbw21Y74=; b=NZ/Q8ih8IXuf5m3Kre++BHd/PI1vVkgmFcOxFjfAtkIj7LMYQP0mw7PeywlPdbUdrM rmX7xLZ7/h6SCrgKiNangiElTGr10No1S5a0VuuwAa4HbNkLb39OIOfyZRd9MHQXPuLK t7YP5hQFztyGpwDSljtgjCUB5o09tq5953LujmVt6710jO3n6ioG36UyEXMZrcoqM45Y twxEBqS0HvQDRX8FfHMQZaw7MgGMx0iax9wXLAA4wYcgVC42JWWbccC1AgqCWRZhus3u MuRHiROvXwKtJfmJJTi1BnnHbjrAlLCT4Q4WO//weaGVZ/Ym2TPQnZ4SmbWPSBBKnMvO G1wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ONHI2fbjYbzj5/3JjsXCEhoFBnrzZ23MWIBVbw21Y74=; b=j0M6yLSnl8cYR5iUJNM3Vkrg9TVgCC80klsjqbQjEYRlDkrR9cSPOvL/CVS28PoQ0Y LxUuLTItrxdWbg3v3Esuzrq4gQb8DigGQ5gjKCoskIQW3R/Xgah2F5uZr530EMhVkIhy ihqq8zW1lvmbGMYalNuGoNtiDefLO8td7NJcYivmiJFh30uze/ZJA6GmQeEGzk500k+h Hejh/d1r9uMwFn5BPHn20J8gz9EIj7D58y4BwrL6d6rXKR+IxW2FWmsoNIYmNYTMRV4F YN9m+2dfYZBPeH0st+EOZCN7FffdmsAhiLbCmHqirmUK9CuwCex9lgGKA/qq32yI0le7 eBzw== X-Gm-Message-State: AOAM530I402JhWYeaqL8TrM1ylXCfGdLkxOSBScB29hWf9LHcP8fYy/d fp9F40WDap9/J/72m2qqcY1uPw== X-Received: by 2002:a5d:4cc7:: with SMTP id c7mr2243031wrt.164.1615810099476; Mon, 15 Mar 2021 05:08:19 -0700 (PDT) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id c18sm29239891wmk.0.2021.03.15.05.08.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Mar 2021 05:08:19 -0700 (PDT) From: Bryan O'Donoghue To: kvalo@codeaurora.org, wcn36xx@lists.infradead.org, linux-wireless@vger.kernel.org Cc: bryan.odonoghue@linaro.org, shawn.guo@linaro.org, benl@squareup.com, loic.poulain@linaro.org, bjorn.andersson@linaro.org Subject: [PATCH v2 10/12] wcn36xx: Add Host suspend indication support Date: Mon, 15 Mar 2021 12:09:35 +0000 Message-Id: <20210315120937.2512341-11-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210315120937.2512341-1-bryan.odonoghue@linaro.org> References: <20210315120937.2512341-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org 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 --- 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(+) diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index a84128e04cc4..535e0d4245c3 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -1127,6 +1127,9 @@ 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 6064fdef69ac..dbc5c9902794 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -2956,6 +2956,25 @@ 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 90c7faea0ef6..2909facdb100 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.h +++ b/drivers/net/wireless/ath/wcn36xx/smd.h @@ -159,4 +159,6 @@ int wcn36xx_smd_gtk_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif, int wcn36xx_smd_gtk_offload_get_info(struct wcn36xx *wcn, struct ieee80211_vif *vif); +int wcn36xx_smd_wlan_host_suspend_ind(struct wcn36xx *wcn); + #endif /* _SMD_H_ */ -- 2.30.1