From patchwork Mon Jan 25 10:40:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oliver Hartkopp X-Patchwork-Id: 12045259 X-Patchwork-Delegate: dsahern@gmail.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 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,URIBL_BLOCKED, 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 33256C433E0 for ; Tue, 26 Jan 2021 04:57:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00E1822B3F for ; Tue, 26 Jan 2021 04:57:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729599AbhAZE40 (ORCPT ); Mon, 25 Jan 2021 23:56:26 -0500 Received: from mo4-p01-ob.smtp.rzone.de ([81.169.146.165]:29596 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727522AbhAYKok (ORCPT ); Mon, 25 Jan 2021 05:44:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1611571262; s=strato-dkim-0002; d=hartkopp.net; h=Message-Id:Date:Subject:Cc:To:From:From:Subject:Sender; bh=EaTZMYup884BzWi92+HHYjKXVVZIKnErZ2yMyFuBn8s=; b=d7UQH4jGo8YeIdl4ET96TJyCWRwgv/8v2udb0zvCu/90zghHfVRjpbAZlDX15GsKsN fbnvcYHN6IoLbF16Bupy+v8Np4SvrHeZKz8nDqoG+Bie6zwxX7HVzsFTuKltbfMfDY9I uXb0dkXlCxgQU8khPdRDNknwDpltV/Q1LMbEvud2yF/KSRKzzeCdhVXP7lwL/MLXJgKv Ciae3Dl5NBx3aCC8Gn267BKiu/+ewjbNAWFla6fsu9qRSNNpQqLNE0OMpxnQfkKPJy9g buioYoI0Q1aWc5J9SOhqPZbchVeuXl6E7+pLU++7YiUfQ8/JDzz5L3qaVdhenL+f+7uP j0uQ== X-RZG-AUTH: ":P2MHfkW8eP4Mre39l357AZT/I7AY/7nT2yrDxb8mjGrp7owjzFK3JbFk1mS0k+8CejudJy4jsSstZQ==" X-RZG-CLASS-ID: mo00 Received: from silver.lan by smtp.strato.de (RZmta 47.12.1 DYNA|AUTH) with ESMTPSA id k075acx0PAf1xWB (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Mon, 25 Jan 2021 11:41:01 +0100 (CET) From: Oliver Hartkopp To: Stephen Hemminger Cc: netdev@vger.kernel.org, linux-can@vger.kernel.org, Oliver Hartkopp Subject: [PATCH RESEND iproute2 5.11] iplink_can: add Classical CAN frame LEN8_DLC support Date: Mon, 25 Jan 2021 11:40:55 +0100 Message-Id: <20210125104055.79882-1-socketcan@hartkopp.net> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: dsahern@gmail.com The len8_dlc element is filled by the CAN interface driver and used for CAN frame creation by the CAN driver when the CAN_CTRLMODE_CC_LEN8_DLC flag is supported by the driver and enabled via netlink configuration interface. Add the command line support for cc-len8-dlc for Linux 5.11+ Signed-off-by: Oliver Hartkopp Reviewed-by: Vincent Mailhol --- ip/iplink_can.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/ip/iplink_can.c b/ip/iplink_can.c index 735ab941..6a26f3ff 100644 --- a/ip/iplink_can.c +++ b/ip/iplink_can.c @@ -35,10 +35,11 @@ static void print_usage(FILE *f) "\t[ one-shot { on | off } ]\n" "\t[ berr-reporting { on | off } ]\n" "\t[ fd { on | off } ]\n" "\t[ fd-non-iso { on | off } ]\n" "\t[ presume-ack { on | off } ]\n" + "\t[ cc-len8-dlc { on | off } ]\n" "\n" "\t[ restart-ms TIME-MS ]\n" "\t[ restart ]\n" "\n" "\t[ termination { 0..65535 } ]\n" @@ -101,10 +102,11 @@ static void print_ctrlmode(FILE *f, __u32 cm) _PF(CAN_CTRLMODE_ONE_SHOT, "ONE-SHOT"); _PF(CAN_CTRLMODE_BERR_REPORTING, "BERR-REPORTING"); _PF(CAN_CTRLMODE_FD, "FD"); _PF(CAN_CTRLMODE_FD_NON_ISO, "FD-NON-ISO"); _PF(CAN_CTRLMODE_PRESUME_ACK, "PRESUME-ACK"); + _PF(CAN_CTRLMODE_CC_LEN8_DLC, "CC-LEN8-DLC"); #undef _PF if (cm) print_hex(PRINT_ANY, NULL, "%x", cm); close_json_array(PRINT_ANY, "> "); } @@ -209,10 +211,14 @@ static int can_parse_opt(struct link_util *lu, int argc, char **argv, CAN_CTRLMODE_FD_NON_ISO); } else if (matches(*argv, "presume-ack") == 0) { NEXT_ARG(); set_ctrlmode("presume-ack", *argv, &cm, CAN_CTRLMODE_PRESUME_ACK); + } else if (matches(*argv, "cc-len8-dlc") == 0) { + NEXT_ARG(); + set_ctrlmode("cc-len8-dlc", *argv, &cm, + CAN_CTRLMODE_CC_LEN8_DLC); } else if (matches(*argv, "restart") == 0) { __u32 val = 1; addattr32(n, 1024, IFLA_CAN_RESTART, val); } else if (matches(*argv, "restart-ms") == 0) {