From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BCD9C4743D for ; Sat, 5 Jun 2021 01:11:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E780B61241 for ; Sat, 5 Jun 2021 01:11:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231365AbhFEBNE (ORCPT ); Fri, 4 Jun 2021 21:13:04 -0400 Received: from mail-wm1-f53.google.com ([209.85.128.53]:33677 "EHLO mail-wm1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231258AbhFEBND (ORCPT ); Fri, 4 Jun 2021 21:13:03 -0400 Received: by mail-wm1-f53.google.com with SMTP id s70-20020a1ca9490000b02901a589651424so1757854wme.0 for ; Fri, 04 Jun 2021 18:11:04 -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=mLMm42vbhhJfEr1YusZj6a9pUhQGgeXnCkgivBEicng=; b=rQLK9H+MJ59HObzhdh/xwfHDLupQCkerOaBa/97GTHRZ4U16+mlKcTtr7pswOVoUTP HP+f7PFaxK0Y3aOFT8d3QdNX4nIm9JUM67stAmns7eMymnZ4/eLE8y9L8T2JBkttDpJ5 ULZ6APjys2oDppHTN6/QyGelT1997u4RHm04lo2+xQjF06DYIHTvnGQ3jEtpieKPlSNQ RAK30jI+fyyOMXLPy5nt7Q3bmTMmNSdpl1ndsMB1IbSdImJUjt7JgMxDXKj/57WtBSX+ sb+XH44V1lW8KOhF6u8HuLLq334vmv8dq8iVUrLeKU/AvGQVxFih1Um7VRNkUFcioFW8 FGAQ== 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=mLMm42vbhhJfEr1YusZj6a9pUhQGgeXnCkgivBEicng=; b=h2FBeIX6/4P2laJWtFSRKNJJqiWYUGRNUzTTB+m3e/X/xzVvLfaoxKHaMu7DxO+4NL LdQM3P/CZHxJHsVVcFk5iF/pT3sBjp2wt0SJJzyOPKwd5UQp9110+XwSoB/fAgSn31QT tBmLs1sdfc4FSAd8/F8Rz4Bv+ittePxzRas7oVqepFn06rbQYBOAtz3h9UQBEU3bpjJS 4kC9iJ2Upjj0Cl1pEa9xgW8bh2a3v8CzVTbUp53ktQob40IjYgaiLRh+aKN+3oAG0HCD RbQM1hcaz9GrBoeCPOWZf5gnQ0WN7nxuLEF1p+sTB0IC7BgaDDMi8Khf4tcLDU/Qk1cO qyCA== X-Gm-Message-State: AOAM533ddb/3oUjCQm/+gFVCq1tnX/rDgm+lLqJtA5nQx16RdUofLwID lZpz7jhSWPlMbwO49XZ5eYVG6g== X-Google-Smtp-Source: ABdhPJy1oSyb2DFpBzaeU4Q/O3EDX3kJdJsVKCLEGEitpiv2BoUqmJ+/AuEF1plQQ/l6c7Vp4R35Pw== X-Received: by 2002:a1c:d5:: with SMTP id 204mr5896682wma.144.1622855404466; Fri, 04 Jun 2021 18:10:04 -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 u8sm9594941wmq.29.2021.06.04.18.10.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jun 2021 18:10:04 -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 v6 08/12] wcn36xx: Add GTK offload to WoWLAN path Date: Sat, 5 Jun 2021 02:11:36 +0100 Message-Id: <20210605011140.2004643-9-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210605011140.2004643-1-bryan.odonoghue@linaro.org> References: <20210605011140.2004643-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Using previously set GTK KCK and KEK material this commit adds GTK rekeying to the WoWLAN suspend/resume path. A small error in the packing of the up to now unused command structure is fixed as we go. Signed-off-by: Bryan O'Donoghue Tested-by: Benjamin Li --- drivers/net/wireless/ath/wcn36xx/hal.h | 2 +- drivers/net/wireless/ath/wcn36xx/main.c | 4 +++ drivers/net/wireless/ath/wcn36xx/smd.c | 39 +++++++++++++++++++++++++ drivers/net/wireless/ath/wcn36xx/smd.h | 3 ++ 4 files changed, 47 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h index 3b949b0b3792..1f3c2e840232 100644 --- a/drivers/net/wireless/ath/wcn36xx/hal.h +++ b/drivers/net/wireless/ath/wcn36xx/hal.h @@ -4905,7 +4905,7 @@ struct wcn36xx_hal_gtk_offload_req_msg { u64 key_replay_counter; u8 bss_index; -}; +} __packed; struct wcn36xx_hal_gtk_offload_rsp_msg { struct wcn36xx_hal_msg_header header; diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index ec32b8b0067d..db1528a14757 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -1119,6 +1119,9 @@ static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) if (ret) goto out; ret = wcn36xx_smd_ipv6_ns_offload(wcn, vif, true); + if (ret) + goto out; + ret = wcn36xx_smd_gtk_offload(wcn, vif, true); if (ret) goto out; ret = wcn36xx_smd_set_power_params(wcn, true); @@ -1139,6 +1142,7 @@ static int wcn36xx_resume(struct ieee80211_hw *hw) vif = wcn36xx_get_first_assoc_vif(wcn); if (vif) { wcn36xx_smd_set_power_params(wcn, false); + wcn36xx_smd_gtk_offload(wcn, vif, false); wcn36xx_smd_ipv6_ns_offload(wcn, vif, false); wcn36xx_smd_arp_offload(wcn, vif, false); } diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index 4a50e5f8456a..4063888e3f03 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -2856,6 +2856,44 @@ int wcn36xx_smd_ipv6_ns_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif, } #endif +int wcn36xx_smd_gtk_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif, + bool enable) +{ + struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); + struct wcn36xx_hal_gtk_offload_req_msg msg_body; + int ret; + + mutex_lock(&wcn->hal_mutex); + + INIT_HAL_MSG(msg_body, WCN36XX_HAL_GTK_OFFLOAD_REQ); + + if (enable) { + memcpy(&msg_body.kek, vif_priv->rekey_data.kek, NL80211_KEK_LEN); + memcpy(&msg_body.kck, vif_priv->rekey_data.kck, NL80211_KCK_LEN); + msg_body.key_replay_counter = + le64_to_cpu(vif_priv->rekey_data.replay_ctr); + msg_body.bss_index = vif_priv->bss_index; + } else { + msg_body.flags = WCN36XX_HAL_GTK_OFFLOAD_FLAGS_DISABLE; + } + + PREPARE_HAL_BUF(wcn->hal_buf, msg_body); + + ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len); + if (ret) { + wcn36xx_err("Sending host_offload_arp failed\n"); + goto out; + } + ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); + if (ret) { + wcn36xx_err("host_offload_arp failed err=%d\n", ret); + goto out; + } +out: + mutex_unlock(&wcn->hal_mutex); + return ret; +} + int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev, void *buf, int len, void *priv, u32 addr) { @@ -2905,6 +2943,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev, case WCN36XX_HAL_START_SCAN_OFFLOAD_RSP: case WCN36XX_HAL_STOP_SCAN_OFFLOAD_RSP: case WCN36XX_HAL_HOST_OFFLOAD_RSP: + case WCN36XX_HAL_GTK_OFFLOAD_RSP: memcpy(wcn->hal_buf, buf, len); wcn->hal_rsp_len = len; complete(&wcn->hal_rsp_compl); diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h index e03ab7878432..cdf4231efe26 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.h +++ b/drivers/net/wireless/ath/wcn36xx/smd.h @@ -153,4 +153,7 @@ int wcn36xx_smd_arp_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif, int wcn36xx_smd_ipv6_ns_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif, bool enable); +int wcn36xx_smd_gtk_offload(struct wcn36xx *wcn, struct ieee80211_vif *vif, + bool enable); + #endif /* _SMD_H_ */ -- 2.30.1