From patchwork Tue Apr 18 09:38:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 13215311 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBEABC77B76 for ; Tue, 18 Apr 2023 09:38:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231370AbjDRJil (ORCPT ); Tue, 18 Apr 2023 05:38:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231308AbjDRJik (ORCPT ); Tue, 18 Apr 2023 05:38:40 -0400 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71B3D1BCA; Tue, 18 Apr 2023 02:38:39 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id j11so17198579ljq.10; Tue, 18 Apr 2023 02:38:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681810717; x=1684402717; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Lb7Hmi4qrMx3y4a0oEkH9YVxHmM21sJHrETGqqG+9Xk=; b=j0+H7Al1iBdQY1xKqRJyJwcwUhRfGBMDisXwRy29PxizwZTAUzpD6bW+61adKcZjCb 6RUWyoIg2FAHyStLXH+3SffSmZMDluHYsEwQp2/yAOQklNRJ+hlmczDXSktw09yySv2l Tt8ER6C1f2impZbNVkRqlffjDGP9xNNcZImaK35al5VRW16bGl3u20IzQZ3A3VW77AIy nIfRuo7wD4qOiZhAap7BpKExmhoZ/ATgDG0OR/Zdp06lddvMmHl3jIHyNmVktyVHvY/4 1ji/xcwUCl7VjtsQrEu4Lj/0umt5OvDHhGAAxHH+KK7IjHiIx88+WaI4Zk28CDNr6xOw oMVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681810717; x=1684402717; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Lb7Hmi4qrMx3y4a0oEkH9YVxHmM21sJHrETGqqG+9Xk=; b=A4lMXVZiZWSm0NZo6222vkryqCkavS/1CNuFyUkRdAByKyYOwvA1AIeAdF43tADjvs xq68jp/qN8EtQlcus2v0Nd6ru4voGUDbPxL4uPehaeSXn+2ip1EIJ11E5f+vg0t75zSH miptYLCCTapo+aKyRMc6JbmUFyTTTIHSZ3zUflaLe84iQoJxRnra/vpFDaflJig1hv7m Kn6Xit9PadAyqV+Ws3ZG79gKfLfqqC47tdTo02Zo70PaNRVjCPGsO159b1E2RGq3Jfno qhASIU4vTv4neSLs2e0u+wSWdDPlOdBQA6RpImD/tsLrnAiNbJoKMtzbnTVEB0K/taTv Vocw== X-Gm-Message-State: AAQBX9dXocteLqQOuYVLTVGL85BWRi+37Wfz2jJ+ZAdg9azkdorolsKR Y2+DC1gPUp3mHNbMMm6Geoc= X-Google-Smtp-Source: AKy350Y2x+hHyvKcRq0EygCll3oxaYPxP0eJt1ReWSYTyB+WxGChHGASIbKWMjhZaV/r5vMB42Uqxw== X-Received: by 2002:a2e:904c:0:b0:2a8:ddb0:baa6 with SMTP id n12-20020a2e904c000000b002a8ddb0baa6mr437460ljg.4.1681810717565; Tue, 18 Apr 2023 02:38:37 -0700 (PDT) Received: from localhost.lan (031011218106.poznan.vectranet.pl. [31.11.218.106]) by smtp.gmail.com with ESMTPSA id x27-20020a05651c105b00b002a8c2a4fe99sm967813ljm.28.2023.04.18.02.38.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Apr 2023 02:38:37 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Kalle Valo , Rob Herring , Krzysztof Kozlowski Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Marko , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH V2 1/3] dt-bindings: net: wireless: qcom,ath11k: allow describing radios Date: Tue, 18 Apr 2023 11:38:20 +0200 Message-Id: <20230418093822.24005-1-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Rafał Miłecki Qualcomm ath11k chipsets can have up to 3 radios. Each radio may need to be additionally described by including its MAC or available frequency ranges. Signed-off-by: Rafał Miłecki --- V2: Fix dt_binding_check (add address + size cells & reg) --- .../bindings/net/wireless/qcom,ath11k.yaml | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml index 7d5f982a3d09..6a03638d20f1 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml @@ -78,6 +78,34 @@ properties: items: - const: wlan-smp2p-out + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^radio@[0-2]$": + type: object + + allOf: + - $ref: ieee80211.yaml# + + properties: + reg: + maxItems: 1 + description: Radio index + + nvmem-cells: + items: + - description: NVMEM cell with the MAC address + + nvmem-cell-names: + items: + - const: mac-address + + unevaluatedProperties: false + required: - compatible - reg @@ -378,6 +406,14 @@ examples: "wbm2host-tx-completions-ring1", "tcl2host-status-ring"; qcom,rproc = <&q6v5_wcss>; + #address-cells = <1>; + #size-cells = <0>; + + radio@0 { + reg = <0x0>; + nvmem-cells = <&mac>; + nvmem-cell-names = "mac-address"; + }; }; - | From patchwork Tue Apr 18 09:38:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 13215312 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E362C77B75 for ; Tue, 18 Apr 2023 09:38:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231420AbjDRJix (ORCPT ); Tue, 18 Apr 2023 05:38:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231397AbjDRJir (ORCPT ); Tue, 18 Apr 2023 05:38:47 -0400 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C6276EAF; Tue, 18 Apr 2023 02:38:45 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id q21so162375ljp.0; Tue, 18 Apr 2023 02:38:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681810723; x=1684402723; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=N3L0ATs2K15l9KRiiuDKNOs5Kicmg+FttDgu2qaNiHk=; b=nyhv9S0CNC/PjzJe5IhoxOI5OUcKQW6S/FB8RtNgOqP3iwEQkVqxo0wzEMV7CETBYi ZgdGmaLFOKFWOpW/gQlZcVce05Ip3BlZOc3Ssey0E3xi/OSLhlmxUl/ziXV1e+0t4SMi gmi/iUWo1+nNmk/FFJxuAqz5E+IFneKtFit4KIOKrcKn81EEdEmEGRVPZslOxN4iX/iG lvK6PrzD9RbCwBpEgpWDAwBmK61cRHUJ8i0KJ7qO79I0TEvIXm7mHsT4nFVr3fRB3Y7C z4wAsvpWsjOa16RLxrg8nKP6zuEmvbQUqBC8bts2Km4HGCK/AvFNkzVTO8AXLGlAjciF ca1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681810723; x=1684402723; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=N3L0ATs2K15l9KRiiuDKNOs5Kicmg+FttDgu2qaNiHk=; b=kOxNS1j07wzd3w7vDu3Q7xIVRKesQfGwZ17DU5CzMreORThVHZ1uQuQ7VLRA80cmJf ijIuoR2rWAoSdKiyhY9UOfksLdNb0tAgUCxGW6gMqCm4xkv4Y8rG9iXTRdtj9FE5jdL1 KOWpbOTr1ZVhawl1mqeHoYx1bj+AHTt2CT8uwni8CRjoaCUuZ+rQt7wYDJ/W4e7keo+A 2l74WU7RzhoS0UJiSIBltr+7ouWJkYiJFUK3ZkC4r8QZwNHJ/3TGsQ+rID+QIr5pb7zP kfGbHQP+qe7W4pGMABHTQK8QMVlaQMhS+jeLAscrvVp2ilByPGy/gtcOGzxcWq3ap8kK /iIQ== X-Gm-Message-State: AAQBX9eXzokPLmdGE3C8rCGrRYHEfmhySTeh45wX3VR22f1sn48cJdTG han/T7MUfu8F4Qp1G7Ge3Qk= X-Google-Smtp-Source: AKy350aAZVr9gDKCYEA8tQIss8/jDCz0fJfn3QG0JlbQJC+0CUZwVHCflgLzuVWWCmHnlncRScdl6g== X-Received: by 2002:a2e:92c5:0:b0:2a8:e480:a3c8 with SMTP id k5-20020a2e92c5000000b002a8e480a3c8mr334644ljh.44.1681810723462; Tue, 18 Apr 2023 02:38:43 -0700 (PDT) Received: from localhost.lan (031011218106.poznan.vectranet.pl. [31.11.218.106]) by smtp.gmail.com with ESMTPSA id x27-20020a05651c105b00b002a8c2a4fe99sm967813ljm.28.2023.04.18.02.38.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Apr 2023 02:38:43 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Kalle Valo , Rob Herring , Krzysztof Kozlowski Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Marko , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH V2 2/3] wifi: ath11k: look for DT node for each radio Date: Tue, 18 Apr 2023 11:38:21 +0200 Message-Id: <20230418093822.24005-2-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230418093822.24005-1-zajec5@gmail.com> References: <20230418093822.24005-1-zajec5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Rafał Miłecki Updated DT binding allows describing each chip radio. Signed-off-by: Rafał Miłecki --- drivers/net/wireless/ath/ath11k/core.h | 2 ++ drivers/net/wireless/ath/ath11k/mac.c | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 0830276e5028..1a583adf2ab1 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include "qmi.h" @@ -592,6 +593,7 @@ struct ath11k_per_peer_tx_stats { struct ath11k { struct ath11k_base *ab; struct ath11k_pdev *pdev; + struct device_node *np; struct ieee80211_hw *hw; struct ieee80211_ops *ops; struct ath11k_pdev_wmi *wmi; diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index cad832e0e6b8..ad5a22d12bd3 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -9344,6 +9344,25 @@ int ath11k_mac_register(struct ath11k_base *ab) return ret; } +static struct device_node *ath11k_mac_find_radio_node(struct ath11k_base *ab, int i) +{ + struct device_node *np; + + for_each_child_of_node(ab->dev->of_node, np) { + u32 reg; + int err; + + if (strcmp(np->name, "radio")) + continue; + + err = of_property_read_u32(np, "reg", ®); + if (!err && reg == i) + return np; + } + + return NULL; +} + int ath11k_mac_allocate(struct ath11k_base *ab) { struct ieee80211_hw *hw; @@ -9369,6 +9388,7 @@ int ath11k_mac_allocate(struct ath11k_base *ab) ar->ab = ab; ar->pdev = pdev; ar->pdev_idx = i; + ar->np = ath11k_mac_find_radio_node(ab, i); ar->lmac_id = ath11k_hw_get_mac_from_pdev_id(&ab->hw_params, i); ar->wmi = &ab->wmi_ab.wmi[i]; From patchwork Tue Apr 18 09:38:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 13215313 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C284C77B75 for ; Tue, 18 Apr 2023 09:39:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231451AbjDRJjF (ORCPT ); Tue, 18 Apr 2023 05:39:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231395AbjDRJiw (ORCPT ); Tue, 18 Apr 2023 05:38:52 -0400 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 202881BE1; Tue, 18 Apr 2023 02:38:49 -0700 (PDT) Received: by mail-lf1-x12e.google.com with SMTP id 2adb3069b0e04-4ec816c9d03so2085472e87.2; Tue, 18 Apr 2023 02:38:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681810727; x=1684402727; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2EiDytvabdYN54DIeMJTMZ/ViwsZyEhMHyZ0a9MJx4o=; b=Mgp+FdmjTOO8yLjct8Ey6wAnQpaKYZlpn2pHIG/2fXHgwHj/Ymsw2LgM4jEvE+za4O jAp/K7vJGFvKrT3Du403FmySbg0WVdwsklAz0iRECcpDaazBXpH62uSP6gUCQG0Q+uPH gfhOAYxFyRewQeY9zawHDscntVwKav0mwa5QqidN9YpWT1+rwN2ck5CYjjqenxl03Tl7 tRe4tdK6V//ly3ZSmdFwmmlHxVGg79S5O4pJvxFMywh3NuWbwReXEWVmWD0oXdylO2x7 d/c20YL0TytiL9Amg2m/gKdQbF1YHytZTgBDbYhT91FWNjluR8A0ZG92/MlBjt5QbpZV 2qjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681810727; x=1684402727; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=2EiDytvabdYN54DIeMJTMZ/ViwsZyEhMHyZ0a9MJx4o=; b=jbkC9Rcgnd7CUrzhPAY9HGIO/mPw8Y6Tr/5zJ5xYrlAkHvjM3zb7xURkDf1HFEoQyy g/z2DCPVIuVgwVvs7zEadobYtkze3nRvXYeTr64xNBoXZELtPDA45TVXknCnQxMV4Lii g7Pj3qA/pjJNePzGV6X+cyRO9U1t2MTewOOvUz0HUcC7e3HOoxJw+PhXPRg/AzVX2klz jsoPfGExfMOILAQQQA4A4IugzOBPRbKjdMmg6P+VQYIzgY/5QGPSzRsJqC2jxbM9D8Y9 2d6jXA55itplXOYZ90cyoDeDbITpBHi44hOOPWqRxIYSEgKcFnzOlNImK0PPM2f2neZm GjgQ== X-Gm-Message-State: AAQBX9caHYT8SwPuzEXrFH/PdxY11ATu0UItJiUCi+MYIh1kwygxbzwN /4A5ryhOckfrEW/+kIajbu0= X-Google-Smtp-Source: AKy350ZXxaKlonTpKEaCIg1QXYK9jvpC8SvvkEmTVCX2/ZXSW9v2VJsf2RGCeOgoAGtNFBxH/Rf4eA== X-Received: by 2002:ac2:46c9:0:b0:4ed:c537:d0ca with SMTP id p9-20020ac246c9000000b004edc537d0camr1608334lfo.59.1681810727353; Tue, 18 Apr 2023 02:38:47 -0700 (PDT) Received: from localhost.lan (031011218106.poznan.vectranet.pl. [31.11.218.106]) by smtp.gmail.com with ESMTPSA id x27-20020a05651c105b00b002a8c2a4fe99sm967813ljm.28.2023.04.18.02.38.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Apr 2023 02:38:46 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Kalle Valo , Rob Herring , Krzysztof Kozlowski Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Marko , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH V2 3/3] wifi: ath11k: support reading radio MAC from DT Date: Tue, 18 Apr 2023 11:38:22 +0200 Message-Id: <20230418093822.24005-3-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230418093822.24005-1-zajec5@gmail.com> References: <20230418093822.24005-1-zajec5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Rafał Miłecki On some devices (most routers) MAC is stored in an NVMEM cell. Support reading it. Signed-off-by: Rafał Miłecki --- drivers/net/wireless/ath/ath11k/mac.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index ad5a22d12bd3..6550bb5b2ece 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include @@ -9292,7 +9293,7 @@ int ath11k_mac_register(struct ath11k_base *ab) struct ath11k_pdev *pdev; int i; int ret; - u8 mac_addr[ETH_ALEN] = {0}; + u8 device_mac_addr[ETH_ALEN] = {0}; if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) return 0; @@ -9305,18 +9306,22 @@ int ath11k_mac_register(struct ath11k_base *ab) if (ret) return ret; - device_get_mac_address(ab->dev, mac_addr); + device_get_mac_address(ab->dev, device_mac_addr); for (i = 0; i < ab->num_radios; i++) { + u8 radio_mac_addr[ETH_ALEN]; + pdev = &ab->pdevs[i]; ar = pdev->ar; - if (ab->pdevs_macaddr_valid) { + if (!of_get_mac_address(ar->np, radio_mac_addr)) { + ether_addr_copy(ar->mac_addr, radio_mac_addr); + } else if (ab->pdevs_macaddr_valid) { ether_addr_copy(ar->mac_addr, pdev->mac_addr); } else { - if (is_zero_ether_addr(mac_addr)) + if (is_zero_ether_addr(device_mac_addr)) ether_addr_copy(ar->mac_addr, ab->mac_addr); else - ether_addr_copy(ar->mac_addr, mac_addr); + ether_addr_copy(ar->mac_addr, device_mac_addr); ar->mac_addr[4] += i; }