From patchwork Fri Nov 4 07:36:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincent Mailhol X-Patchwork-Id: 15414 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp237300wru; Fri, 4 Nov 2022 00:58:36 -0700 (PDT) X-Google-Smtp-Source: AMsMyM739JMgcTWQPLy9AuqsDhXAv7FLQ0ceKVpjbcjkdNn2pEa1Mk2KGp0ypKIEM01CNnOeLa7u X-Received: by 2002:a05:6402:78c:b0:461:a7f3:2d61 with SMTP id d12-20020a056402078c00b00461a7f32d61mr34244124edy.84.1667548716361; Fri, 04 Nov 2022 00:58:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1667548716; cv=none; d=google.com; s=arc-20160816; b=CbhAiOlpQUDJC4M8qoYyuTvF+sRNF1+c46FKzoXdmTtMmOKvX9/PpabsknszUkXhp6 GUIPNC1BuvRY/DbO7oivEWykRjZxYqvEy7hJmuUBjAg822KnIHMZrZYb34OtTtirU01o HDBVCigiUCjNqMpOk4XZNcOKByeog6CiJWiJETktEYWVH1TV1q/7254YDeE4yvLouFLF uflxaE5nr5NK6Sp0ZNpp6u4nS3oFMetoitPlm13fxxI35xJW/dz6+s+SSsyVfXRYrI8E YKNv4xz1fOaDU2vrUTr2jO0NXXxMzbdNg4ix5ksfh8ezF7NgPC74qIOL4kiaeyaP/XKV tF6Q== 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 :message-id:date:subject:cc:to:from:sender:dkim-signature; bh=MemN4TDe1mA5TiRCcsQbYoP1am+ZBwYtE5zTkLVCqlw=; b=QzfNgdKJUbepw+Pl3rVQECLZ6sr+n8XQ3z/ddLB5TfxIEl9YlY54KqNR8OBn34PzZc eNhbNPQaldm0ZtUWsr+QWGGAG7cOK248TaE7FQCb5nm6546B1KiUvM/Vo+2tsgGlCtEB Ft/tOcnPjaMn2vA2NriSXlg5mW9yCZmFkXawwZasI2xfUKrXq6U49ysNvEabZHdq4s4r b8CLwKUws7Mlegg6H6ThO36+zshM6BF0QphZaS2ucH5PP8Lfo5NzkRAon96c3O4bzzqq XzIj7i0IHxDWwwk0ODQVkmPNkJT2N1QdUFBX+vahfHrfwb+MZSLBdh4yXprs+Od+yW4+ oFOQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=SnJKpJHb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q6-20020a056402518600b00457f31c1a10si4898272edd.584.2022.11.04.00.58.12; Fri, 04 Nov 2022 00:58:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=SnJKpJHb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230511AbiKDHhX (ORCPT + 99 others); Fri, 4 Nov 2022 03:37:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229615AbiKDHhV (ORCPT ); Fri, 4 Nov 2022 03:37:21 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B70E65D2; Fri, 4 Nov 2022 00:37:19 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id g24so4160347plq.3; Fri, 04 Nov 2022 00:37:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:from:to:cc:subject:date:message-id:reply-to; bh=MemN4TDe1mA5TiRCcsQbYoP1am+ZBwYtE5zTkLVCqlw=; b=SnJKpJHb0zssD/RUj8u8GKrEhsZsasba6o/2H1blzK7qe1v3T7pJMWtirmVrdJs+Uz /5Wk5MEhMpR1itLUnsWnvuXdHYDGHG3PW8PqMQBfTJuDChK09VzbWey6rGvJGeKpujn7 lUgyoF0kw2Mbr9TU6DJ9huatEASEP8JFX4Kl1+TpW6YLCrZEqMhsYO2ypLN9vZPfk3pv ShHbsBsWRfusEl+/dPIFkwTVcfCCsCj+MooPwo3AcocrPw0BRPtxtisyQ5sY0WxWGKps FOPhcpvugEdGaV+uDHAfVy/AZi5o8M4TCGhw2ldzxOJZk/gVUVpuc86+3ExxrmJuwzbs xXyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=MemN4TDe1mA5TiRCcsQbYoP1am+ZBwYtE5zTkLVCqlw=; b=XC95lsh+cE+RCqP0N3HlaZkyqDfNhDqL3y/AiSUmYv8GH7F9h0yzLGyKp46F7x7w0C Dj6ymXS4+um9p8Xri1QxAnefjdHVAt7CDRPHjnDoLjddoZdDEyYJC2aqY9FuFt5lsv5c LhoEgWE67B9UgTqAhQxb70I736e/pjZTGj9zlKTZ+vSRcRVD0F0birGBQnFmW+LtsSzs QNOTrFXH5DacpzOyLXaa9kTwSh3+iHyCPlHoXo1EUxRTqvezVp4UZ5a4WFsW+YV6Fi4q 23RUVk6eyODeMzURdbhBMu29nOxRUblYjMVZtBqEPmNbTPSy7WNdP70OhVKAf6XQAEka Sgog== X-Gm-Message-State: ACrzQf1Jm8zgqEgIFz5ctIlnI1zaGKhblju/UIpTOrKEmUTD+0RRkVwb HgOVWLqoksv2rWa+6ZwR5WL80mg3+YM= X-Received: by 2002:a17:90b:3e88:b0:213:6442:5614 with SMTP id rj8-20020a17090b3e8800b0021364425614mr46641751pjb.58.1667547438435; Fri, 04 Nov 2022 00:37:18 -0700 (PDT) Received: from localhost.localdomain (124x33x176x97.ap124.ftth.ucom.ne.jp. [124.33.176.97]) by smtp.gmail.com with ESMTPSA id u1-20020a170902714100b00183c67844aesm1947663plm.22.2022.11.04.00.37.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Nov 2022 00:37:18 -0700 (PDT) Sender: Vincent Mailhol From: Vincent Mailhol To: linux-can@vger.kernel.org Cc: Marc Kleine-Budde , linux-kernel@vger.kernel.org, Vincent Mailhol Subject: [PATCH] can: etas_es58x: report the firmware version through ethtool Date: Fri, 4 Nov 2022 16:36:59 +0900 Message-Id: <20221104073659.414147-1-mailhol.vincent@wanadoo.fr> X-Mailer: git-send-email 2.37.4 MIME-Version: 1.0 X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748551562710711621?= X-GMAIL-MSGID: =?utf-8?q?1748551562710711621?= ES58x devices report below information in their usb product info string: * the firmware version * the bootloader version * the hardware revision Report the firmware version through ethtool_drvinfo::fw_version. Because struct ethtool_drvinfo has no fields to report the boatloader version nor the hardware revision, continue to print these in the kernel log (c.f. es58x_print_product_info()). While doing so, bump up copyright year of each modified files. Signed-off-by: Vincent Mailhol --- drivers/net/can/usb/etas_es58x/es581_4.c | 5 +- drivers/net/can/usb/etas_es58x/es58x_core.c | 140 +++++++++++++------- drivers/net/can/usb/etas_es58x/es58x_core.h | 11 +- drivers/net/can/usb/etas_es58x/es58x_fd.c | 5 +- 4 files changed, 108 insertions(+), 53 deletions(-) diff --git a/drivers/net/can/usb/etas_es58x/es581_4.c b/drivers/net/can/usb/etas_es58x/es581_4.c index 1bcdcece5ec7..1d6ae7b279cf 100644 --- a/drivers/net/can/usb/etas_es58x/es581_4.c +++ b/drivers/net/can/usb/etas_es58x/es581_4.c @@ -6,7 +6,7 @@ * * Copyright (c) 2019 Robert Bosch Engineering and Business Solutions. All rights reserved. * Copyright (c) 2020 ETAS K.K.. All rights reserved. - * Copyright (c) 2020, 2021 Vincent Mailhol + * Copyright (c) 2020-2022 Vincent Mailhol */ #include @@ -492,7 +492,8 @@ const struct es58x_parameters es581_4_param = { .tx_bulk_max = ES581_4_TX_BULK_MAX, .urb_cmd_header_len = ES581_4_URB_CMD_HEADER_LEN, .rx_urb_max = ES58X_RX_URBS_MAX, - .tx_urb_max = ES58X_TX_URBS_MAX + .tx_urb_max = ES58X_TX_URBS_MAX, + .prod_info_delim = ',' }; const struct es58x_operators es581_4_ops = { diff --git a/drivers/net/can/usb/etas_es58x/es58x_core.c b/drivers/net/can/usb/etas_es58x/es58x_core.c index 51294b717040..7c20a73169f3 100644 --- a/drivers/net/can/usb/etas_es58x/es58x_core.c +++ b/drivers/net/can/usb/etas_es58x/es58x_core.c @@ -7,7 +7,7 @@ * * Copyright (c) 2019 Robert Bosch Engineering and Business Solutions. All rights reserved. * Copyright (c) 2020 ETAS K.K.. All rights reserved. - * Copyright (c) 2020, 2021 Vincent Mailhol + * Copyright (c) 2020-2022 Vincent Mailhol */ #include @@ -1978,10 +1978,6 @@ static const struct net_device_ops es58x_netdev_ops = { .ndo_eth_ioctl = can_eth_ioctl_hwts, }; -static const struct ethtool_ops es58x_ethtool_ops = { - .get_ts_info = can_ethtool_op_get_ts_info_hwts, -}; - /** * es58x_set_mode() - Change network device mode. * @netdev: CAN network device. @@ -2062,6 +2058,96 @@ static void es58x_init_priv(struct es58x_device *es58x_dev, can->do_set_mode = es58x_set_mode; } +/** + * es58x_get_product_info() - Get the product information. + * @es58x_dev: ES58X device. + * @prod_info: Buffer where to store the product information. + * @prod_info_len: Length of @prod_info. + * + * Do a synchronous call to get the product information. + * + * Return: zero on success, errno when any error occurs. + */ +static int es58x_get_product_info(struct es58x_device *es58x_dev, + char *prod_info, size_t prod_info_len) +{ + struct usb_device *udev = es58x_dev->udev; + const int es58x_prod_info_idx = 6; + int ret; + + ret = usb_string(udev, es58x_prod_info_idx, prod_info, prod_info_len); + if (ret < 0) { + dev_err(es58x_dev->dev, + "%s: Could not read the product info: %pe\n", + __func__, ERR_PTR(ret)); + return ret; + } + if (ret >= prod_info_len - 1) { + dev_warn(es58x_dev->dev, + "%s: Buffer is too small, result might be truncated\n", + __func__); + } + + return 0; +} + +/** + * es58x_print_product_info() - Print the product information. + * @es58x_dev: ES58X device. + * + * Return: zero on success, errno when any error occurs. + */ +static int es58x_print_product_info(struct es58x_device *es58x_dev) +{ + char prod_info[ES58X_USB_STRING_SIZE]; + int ret; + + ret = es58x_get_product_info(es58x_dev, prod_info, sizeof(prod_info)); + if (ret == 0) + dev_info(es58x_dev->dev, "Product info: %s\n", prod_info); + + return ret; +} + +/** + * es58x_get_drvinfo() - Get the driver name and firmware version. + * @netdev: CAN network device. + * @drvinfo: Driver information. + * + * Populate @drvinfo with the driver name and the firwmware version. + */ +static void es58x_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct es58x_device *es58x_dev = es58x_priv(netdev)->es58x_dev; + char prod_info[ES58X_USB_STRING_SIZE]; + char *start, *end; + + strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); + + if (es58x_get_product_info(es58x_dev, prod_info, sizeof(prod_info)) < 0) + return; + + /* The firmware prefix is either "FW_V" or "FW:" */ + start = strstr(prod_info, "FW"); + if (!start) + return; + /* Go to first digit */ + while (!isdigit(*start)) + start++; + + end = strchr(start, es58x_dev->param->prod_info_delim); + if (!end || end - start >= sizeof(drvinfo->fw_version)) + return; + + strscpy(drvinfo->fw_version, start, end - start + 1); +} + +static const struct ethtool_ops es58x_ethtool_ops = { + .get_drvinfo = es58x_get_drvinfo, + .get_ts_info = can_ethtool_op_get_ts_info_hwts, +}; + /** * es58x_init_netdev() - Initialize the network device. * @es58x_dev: ES58X device. @@ -2119,48 +2205,6 @@ static void es58x_free_netdevs(struct es58x_device *es58x_dev) } } -/** - * es58x_get_product_info() - Get the product information and print them. - * @es58x_dev: ES58X device. - * - * Do a synchronous call to get the product information. - * - * Return: zero on success, errno when any error occurs. - */ -static int es58x_get_product_info(struct es58x_device *es58x_dev) -{ - struct usb_device *udev = es58x_dev->udev; - const int es58x_prod_info_idx = 6; - /* Empirical tests show a prod_info length of maximum 83, - * below should be more than enough. - */ - const size_t prod_info_len = 127; - char *prod_info; - int ret; - - prod_info = kmalloc(prod_info_len, GFP_KERNEL); - if (!prod_info) - return -ENOMEM; - - ret = usb_string(udev, es58x_prod_info_idx, prod_info, prod_info_len); - if (ret < 0) { - dev_err(es58x_dev->dev, - "%s: Could not read the product info: %pe\n", - __func__, ERR_PTR(ret)); - goto out_free; - } - if (ret >= prod_info_len - 1) { - dev_warn(es58x_dev->dev, - "%s: Buffer is too small, result might be truncated\n", - __func__); - } - dev_info(es58x_dev->dev, "Product info: %s\n", prod_info); - - out_free: - kfree(prod_info); - return ret < 0 ? ret : 0; -} - /** * es58x_init_es58x_dev() - Initialize the ES58X device. * @intf: USB interface. @@ -2243,7 +2287,7 @@ static int es58x_probe(struct usb_interface *intf, if (IS_ERR(es58x_dev)) return PTR_ERR(es58x_dev); - ret = es58x_get_product_info(es58x_dev); + ret = es58x_print_product_info(es58x_dev); if (ret) return ret; diff --git a/drivers/net/can/usb/etas_es58x/es58x_core.h b/drivers/net/can/usb/etas_es58x/es58x_core.h index 640fe0a1df63..3a9f6582c06d 100644 --- a/drivers/net/can/usb/etas_es58x/es58x_core.h +++ b/drivers/net/can/usb/etas_es58x/es58x_core.h @@ -6,7 +6,7 @@ * * Copyright (c) 2019 Robert Bosch Engineering and Business Solutions. All rights reserved. * Copyright (c) 2020 ETAS K.K.. All rights reserved. - * Copyright (c) 2020, 2021 Vincent Mailhol + * Copyright (c) 2020-2022 Vincent Mailhol */ #ifndef __ES58X_COMMON_H__ @@ -49,6 +49,12 @@ /* A magic number sent by the ES581.4 to inform it is alive. */ #define ES58X_HEARTBEAT 0x11 +/* USB strings are at most 127 characters and es58x devices only use + * ASCII (i.e. one byte). Also, the maximum observed length is 83 + * bytes. + */ +#define ES58X_USB_STRING_SIZE (127 + 1) + /** * enum es58x_driver_info - Quirks of the device. * @ES58X_DUAL_CHANNEL: Device has two CAN channels. If this flag is @@ -306,6 +312,8 @@ struct es58x_priv { * @urb_cmd_header_len: Length of the URB command header. * @rx_urb_max: Number of RX URB to be allocated during device probe. * @tx_urb_max: Number of TX URB to be allocated during device probe. + * @prod_info_delim: delimiter of the different fields in the USB + * product information string. */ struct es58x_parameters { const struct can_bittiming_const *bittiming_const; @@ -324,6 +332,7 @@ struct es58x_parameters { u8 urb_cmd_header_len; u8 rx_urb_max; u8 tx_urb_max; + char prod_info_delim; }; /** diff --git a/drivers/net/can/usb/etas_es58x/es58x_fd.c b/drivers/net/can/usb/etas_es58x/es58x_fd.c index c97ffa71fd75..3d781b89df4a 100644 --- a/drivers/net/can/usb/etas_es58x/es58x_fd.c +++ b/drivers/net/can/usb/etas_es58x/es58x_fd.c @@ -8,7 +8,7 @@ * * Copyright (c) 2019 Robert Bosch Engineering and Business Solutions. All rights reserved. * Copyright (c) 2020 ETAS K.K.. All rights reserved. - * Copyright (c) 2020, 2021 Vincent Mailhol + * Copyright (c) 2020-2022 Vincent Mailhol */ #include @@ -550,7 +550,8 @@ const struct es58x_parameters es58x_fd_param = { .tx_bulk_max = ES58X_FD_TX_BULK_MAX, .urb_cmd_header_len = ES58X_FD_URB_CMD_HEADER_LEN, .rx_urb_max = ES58X_RX_URBS_MAX, - .tx_urb_max = ES58X_TX_URBS_MAX + .tx_urb_max = ES58X_TX_URBS_MAX, + .prod_info_delim = '-' }; const struct es58x_operators es58x_fd_ops = {