From patchwork Sun Jun 6 20:17:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 455212 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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 BB718C48BC2 for ; Sun, 6 Jun 2021 20:17:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7C2C613CB for ; Sun, 6 Jun 2021 20:17:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229932AbhFFUTO (ORCPT ); Sun, 6 Jun 2021 16:19:14 -0400 Received: from smtp-35.italiaonline.it ([213.209.10.35]:55590 "EHLO libero.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230110AbhFFUTM (ORCPT ); Sun, 6 Jun 2021 16:19:12 -0400 Received: from passgat-Modern-14-A10M.homenet.telecomitalia.it ([79.17.119.101]) by smtp-35.iol.local with ESMTPA id pzCol3UwhsptipzCvlruID; Sun, 06 Jun 2021 22:17:19 +0200 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=libero.it; s=s2021; t=1623010639; bh=3x546FnpmE1FY0fBqC7pJ3epPtBvLCOvSsuTgQVDW9g=; h=From; b=theIT3MQI+h67OsBRAUMLJtKVr19tANRJ+aAVr40BpjglefqZQP0H4Gh83JD3D4JN 8AIHsV1MTEgweZtsU0fCL047vB+LQYYDMY9RCqw2bRxDIE4SYTWU5EuIlZbxmvJtTL Dt2qZ8XzqByld4qDjfTzzlAtplo7pxbSwxICUHrdbqDB43YFSUaPd80wzrnX4WqXli dtfXDt3HGrrPkO4iq65xEZqtTPvX8fTqN+Kjd7GDTcpXkmUu+bvnEGyvw50D42bsV5 fviuXd3tKflUReuFdVoMmni1wN+2g4glhiaod6pzTvX3ivctdEiVkDE0mZfSfQ6yOy Nn1qV1gGU1akw== X-CNFS-Analysis: v=2.4 cv=Bo1Yfab5 c=1 sm=1 tr=0 ts=60bd2d4f cx=a_exe a=do1bHx4A/kh2kuTIUQHSxQ==:117 a=do1bHx4A/kh2kuTIUQHSxQ==:17 a=X8-5zgEFGoXRYfRO6I8A:9 From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Gianluca Falavigna , Dario Binacchi , "David S. Miller" , Jakub Kicinski , Marc Kleine-Budde , Oliver Hartkopp , Tong Zhang , Vincent Mailhol , Wolfgang Grandegger , YueHaibing , Zhang Qilong , linux-can@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 0/3] can: c_can: cache frames to operate as a true FIFO Date: Sun, 6 Jun 2021 22:17:02 +0200 Message-Id: <20210606201705.31307-1-dariobin@libero.it> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4xfEigeVgfGzfYsUw+nlXrrTI+4nn6l8rAIFrAow8hFZtgZEyocdbXmzmVZhAN00WjUvaxQhlq1NwZ05MpZyeLxncHQSMZJDbR4AQvx0wgtGyzdGOwUy8/ s72raGwdPeHj/t7onlgGMpdB2l5uSi7g340Bh0tNIckR/jcvITMm3rreWuu/dSGXqpjz5YB/722dUY98+wbr8v0yzwDwHO4aD86ZR87xxv9/ajUGWeFQUDcY rXmREEjnnJgww8WWd0PTpn5S0jHM1Mdr/0S9AZicegv4djlQJjuTvQpE0KK75xYTuYOh2MhiC9GPg4b2V8UHLr2E1jXusxAR1Ph76FKr2InNKF6UqBI2yM7a 0p2iTiml6uy4kRHZdyuCxu/T2330iiD7EO56h1lzK6ZwvO6Bjun1o32SWvXuO6hI7ZHeg0EF8+DfJsIshyJODvnM+o2Va2q8bc0qnwImq3sMEvzZ+ANaf9uA 5OKG/6kNq9KVmHuERYAwo5AA8Uj/sgNJ2UtiruNyJ2FJO9JiCMxQ7DuXnMnsH8EDM0BSK/wYpHXITT4KKZdPhVjdElsUrIrsExGP52yD8jUX+idUVHrQC6m9 EbOV3d31cA/W8147xLWp7EvmPJ8LCq07ZqEdj0gXis6b+SwOYxJ3aCrlp74KBQbwh6w8XzNyyyGtmvrCE77ETWis Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Performance tests of the c_can driver led to the patch that gives the series its name. Dario Binacchi (3): can: c_can: exit c_can_do_tx() early if no frames have been sent can: c_can: support tx ring algorithm can: c_can: cache frames to operate as a true FIFO drivers/net/can/c_can/c_can.c | 100 ++++++++++++++++++++++++++-------- drivers/net/can/c_can/c_can.h | 25 ++++++++- 2 files changed, 101 insertions(+), 24 deletions(-)