From patchwork Thu Jun 17 09:49:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Esben Haabendal X-Patchwork-Id: 462861 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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, 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 9D26BC2B9F4 for ; Thu, 17 Jun 2021 09:49:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8325D613BF for ; Thu, 17 Jun 2021 09:49:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231861AbhFQJvX (ORCPT ); Thu, 17 Jun 2021 05:51:23 -0400 Received: from first.geanix.com ([116.203.34.67]:41886 "EHLO first.geanix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231845AbhFQJvW (ORCPT ); Thu, 17 Jun 2021 05:51:22 -0400 Received: from localhost (unknown [185.17.218.86]) by first.geanix.com (Postfix) with ESMTPSA id B082E4C3292; Thu, 17 Jun 2021 09:49:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=geanix.com; s=first; t=1623923352; bh=Qt/hGAGteCalsT2PqO54g9ejMfLHzherHh3GubKQ++M=; h=From:To:Cc:Subject:Date; b=WtwvsWUyoq/BGKKDu+l/lKUBYwUqIFX9z70k6ufaC7TY9L2uP8pPJNh7G4dAW5VTC H/AqDJLxR+H02IzL8rY1R9IHoi4TCsKSNZkJ1JBYjQSEmjpF0PgXfkX0lZj+syh9Vl Ol24EVxSHbWugtT+NAxGYrRSl8Ur0iRdDs35m63oxPVYcYGHJPPwTXltmmxev9TQgo F22Lj62LYxW2ixR1VUk5M3sr7vbsYAe2uync3OTaiuzIiw/tTs9kH/DQ7fOfkoaEFf G3h4nLHX7wMW+LrM5WjOMMiInVwfW6FqQREUr2Y/MhobbXmsg3g3oOKSb2f0zQTqKe h7VlTMeMqDu0Q== From: Esben Haabendal To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Rasmus Villemoes Subject: [PATCH 0/6] net: gianfar: 64-bit statistics and rx_missed_errors counter Date: Thu, 17 Jun 2021 11:49:12 +0200 Message-Id: X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This series replaces the legacy 32-bit statistics to proper 64-bit ditto, and implements rx_missed_errors counter on top of that. The device supports a 16-bit RDRP counter, and a related carry bit and interrupt, which allows implementation of a robust 64-bit counter. Esben Haabendal (6): net: gianfar: Convert to ndo_get_stats64 interface net: gianfar: Extend statistics counters to 64-bit net: gianfar: Clear CAR registers net: gianfar: Avoid 16 bytes of memset net: gianfar: Add definitions for CAR1 and CAM1 register bits net: gianfar: Implement rx_missed_errors counter drivers/net/ethernet/freescale/gianfar.c | 76 +++++++++++++++++------- drivers/net/ethernet/freescale/gianfar.h | 74 +++++++++++++++++++++-- 2 files changed, 125 insertions(+), 25 deletions(-)