From patchwork Tue Aug 18 04:03:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 1346602 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=aSnr6OU+; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BVy3S4qC8z9sTS for ; Tue, 18 Aug 2020 14:04:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726639AbgHREE3 (ORCPT ); Tue, 18 Aug 2020 00:04:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726370AbgHREE2 (ORCPT ); Tue, 18 Aug 2020 00:04:28 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01EBAC061389; Mon, 17 Aug 2020 21:04:27 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id v15so9134918pgh.6; Mon, 17 Aug 2020 21:04:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=GzZyrXpTY6F22/dmqRS9I8tt5+S2Aky6apouSMQ9NVw=; b=aSnr6OU+Rcr5yj8twqOw5CZZOy9CgaFVgDjpMQiGxUTa4ZL7X1cwWlMXbUOjyhdr4l eVKLDeF6vvGIQuY8I7ILh0qiejd09jiDlM3ZB9dYMmaYuQanxyJgaYXe7d5PjskpFgrW DDI2pytXA5zwS8b89EGEzt3rIZXOl0ivwdtM14gLIEfJD77pFCuCyRFl7uiyIPvVZnTF 3EW367fHs/cs62n0b4OKxgyS+eW5ezO+O7ADcSse1cU55DAZUmCTtd4eXlCmTDEk/OTm /nwxlYkhPzHLXKF7sD2OxETQBYnqyOIyb3rGhbEKPCZJEJrcY86ozTdyEqV0821dUh4Y AIWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=GzZyrXpTY6F22/dmqRS9I8tt5+S2Aky6apouSMQ9NVw=; b=oGd3VZwpCe28cF8xoW1VwX4+OoL1p/59ATSIlr991YngDAR2vMSR6mHD/ti6IrfDA9 AhCMex+l/AHEisHoMUA6amLHU4F6QYc8aagEiGOARmM9+2ZmzJmxNG8Bgkk+aZSAIg4M Db7SghBFZYCKlSRh8lg4qPJ54o1tTNUQRavkudxYI954tewIBc4PxNy/wx18c0ixGMDL lX/vZfITe0NCzq5ErOUt2YOTTv+YKM5XWVQCFEWZPF5tnRAYbhidZlABqkpmJjTMfJOY f5SnOYjPmYwWCaKBA35fuRJZ8poTMvTVG4RJYvxYYg187dybWsb0xjhzT2S/qWrP7nl0 guUw== X-Gm-Message-State: AOAM5330jJPucAFNZNRRaOXqOuUz8jMq0ltUw5btunGG3ByTohLnuhhb mgzrKMMnQ2lX1C3HVURtM9xQxnNNRHw= X-Google-Smtp-Source: ABdhPJydBIRGIt26gN3g3+zaU0kRrvec1KgF1/ruYxo/RTU9GmIyVdQOBmUs6tvE84ORhq894pk3FA== X-Received: by 2002:a62:8081:: with SMTP id j123mr14289522pfd.80.1597723466952; Mon, 17 Aug 2020 21:04:26 -0700 (PDT) Received: from localhost.localdomain (ip68-111-84-250.oc.oc.cox.net. [68.111.84.250]) by smtp.gmail.com with ESMTPSA id k21sm19595450pgl.0.2020.08.17.21.04.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2020 21:04:25 -0700 (PDT) From: Florian Fainelli To: netdev@vger.kernel.org Cc: Florian Fainelli , Andrew Lunn , Vivien Didelot , "David S. Miller" , Jakub Kicinski , linux-kernel@vger.kernel.org (open list) Subject: [PATCH net-next] net: dsa: loop: Return VLAN table size through devlink Date: Mon, 17 Aug 2020 21:03:54 -0700 Message-Id: <20200818040354.44736-1-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We return the VLAN table size through devlink as a simple parameter, we do not support altering it at runtime: devlink resource show mdio_bus/fixed-0:1f mdio_bus/fixed-0:1f: name VTU size 4096 occ 4096 unit entry dpipe_tables none Signed-off-by: Florian Fainelli --- drivers/net/dsa/dsa_loop.c | 47 +++++++++++++++++++++++++++++++++++++- 1 file changed, 46 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/dsa_loop.c b/drivers/net/dsa/dsa_loop.c index eb600b3dbf26..474d0747d4ed 100644 --- a/drivers/net/dsa/dsa_loop.c +++ b/drivers/net/dsa/dsa_loop.c @@ -28,6 +28,45 @@ static struct dsa_loop_mib_entry dsa_loop_mibs[] = { static struct phy_device *phydevs[PHY_MAX_ADDR]; +enum dsa_loop_devlink_resource_id { + DSA_LOOP_DEVLINK_PARAM_ID_VTU, +}; + +static u64 dsa_loop_devlink_vtu_get(void *priv) +{ + struct dsa_loop_priv *ps = priv; + + return ARRAY_SIZE(ps->vlans); +} + +static int dsa_loop_setup_devlink_resources(struct dsa_switch *ds) +{ + struct devlink_resource_size_params size_params; + struct dsa_loop_priv *ps = ds->priv; + int err; + + devlink_resource_size_params_init(&size_params, ARRAY_SIZE(ps->vlans), + ARRAY_SIZE(ps->vlans), + 1, DEVLINK_RESOURCE_UNIT_ENTRY); + + err = dsa_devlink_resource_register(ds, "VTU", ARRAY_SIZE(ps->vlans), + DSA_LOOP_DEVLINK_PARAM_ID_VTU, + DEVLINK_RESOURCE_ID_PARENT_TOP, + &size_params); + if (err) + goto out; + + dsa_devlink_resource_occ_get_register(ds, + DSA_LOOP_DEVLINK_PARAM_ID_VTU, + dsa_loop_devlink_vtu_get, ps); + + return 0; + +out: + dsa_devlink_resources_unregister(ds); + return err; +} + static enum dsa_tag_protocol dsa_loop_get_protocol(struct dsa_switch *ds, int port, enum dsa_tag_protocol mp) @@ -48,7 +87,12 @@ static int dsa_loop_setup(struct dsa_switch *ds) dev_dbg(ds->dev, "%s\n", __func__); - return 0; + return dsa_loop_setup_devlink_resources(ds); +} + +static void dsa_loop_teardown(struct dsa_switch *ds) +{ + dsa_devlink_resources_unregister(ds); } static int dsa_loop_get_sset_count(struct dsa_switch *ds, int port, int sset) @@ -243,6 +287,7 @@ static int dsa_loop_port_max_mtu(struct dsa_switch *ds, int port) static const struct dsa_switch_ops dsa_loop_driver = { .get_tag_protocol = dsa_loop_get_protocol, .setup = dsa_loop_setup, + .teardown = dsa_loop_teardown, .get_strings = dsa_loop_get_strings, .get_ethtool_stats = dsa_loop_get_ethtool_stats, .get_sset_count = dsa_loop_get_sset_count,