From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 252BFC43463 for ; Sat, 19 Sep 2020 14:44:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB9542311B for ; Sat, 19 Sep 2020 14:44:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726495AbgISOn6 (ORCPT ); Sat, 19 Sep 2020 10:43:58 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:45188 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726371AbgISOn6 (ORCPT ); Sat, 19 Sep 2020 10:43:58 -0400 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kJe5h-00FNaN-1R; Sat, 19 Sep 2020 16:43:53 +0200 From: Andrew Lunn To: netdev Cc: Florian Fainelli , Jakub Kicinski , Jiri Pirko , Vladimir Oltean , Chris Healy , Andrew Lunn Subject: [PATCH net-next RFC v1 0/4] Add per port devlink regions Date: Sat, 19 Sep 2020 16:43:28 +0200 Message-Id: <20200919144332.3665538-1-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patchset extends devlink regions to support per port regions, and them makes use of them to support the ports of the mv88e6xxx switches. root@rap:~# devlink region show mdio_bus/gpio-0:00/global1: size 64 snapshot [] mdio_bus/gpio-0:00/global2: size 64 snapshot [] mdio_bus/gpio-0:00/atu: size 49152 snapshot [] mdio_bus/gpio-0:00/1/port: size 64 snapshot [] mdio_bus/gpio-0:00/2/port: size 64 snapshot [] mdio_bus/gpio-0:00/3/port: size 64 snapshot [] mdio_bus/gpio-0:00/4/port: size 64 snapshot [] mdio_bus/gpio-0:00/8/port: size 64 snapshot [] root@rap:~# devlink region new mdio_bus/gpio-0:00/1/port snapshot 42 root@rap:~# devlink region dump mdio_bus/gpio-0:00/1/port snapshot 42 0000000000000000 4f 1e 3e 20 00 01 01 39 3f 05 00 00 fd 07 00 00 0000000000000010 80 00 01 00 00 00 00 00 00 00 00 00 00 00 00 91 0000000000000020 00 00 00 00 00 00 00 00 00 00 00 00 22 00 00 00 0000000000000030 07 3e 00 00 00 00 00 80 00 00 00 00 00 00 5b 00 DSA only instantiates devlink ports for switch ports which are used. For this hardware, only 4 user ports and the CPU port have devlink ports, which explains the discontinuous port regions. Andrew Lunn (4): net: devlink: Add support for port regions net: dsa: Add devlink port regions support to DSA net: dsa: Add helper for converting devlink port to ds and port net: dsa: mv88e6xxx: Add per port devlink regions drivers/net/dsa/mv88e6xxx/chip.c | 8 + drivers/net/dsa/mv88e6xxx/devlink.c | 61 +++++++ drivers/net/dsa/mv88e6xxx/devlink.h | 6 +- include/net/devlink.h | 27 +++ include/net/dsa.h | 19 +++ net/core/devlink.c | 250 +++++++++++++++++++++++++--- net/dsa/dsa.c | 14 ++ 7 files changed, 358 insertions(+), 27 deletions(-) -- 2.28.0