From patchwork Mon Sep 19 11:08:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mattias Forsblad X-Patchwork-Id: 12980257 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A78CEC54EE9 for ; Mon, 19 Sep 2022 11:08:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229992AbiISLI6 (ORCPT ); Mon, 19 Sep 2022 07:08:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229960AbiISLIz (ORCPT ); Mon, 19 Sep 2022 07:08:55 -0400 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5ED5E03C for ; Mon, 19 Sep 2022 04:08:54 -0700 (PDT) Received: by mail-lf1-x12e.google.com with SMTP id s6so35121009lfo.7 for ; Mon, 19 Sep 2022 04:08:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=ygTxP1R89jRodLSMaZ5umXgwdbn+zdw9an2P2JOV6+Q=; b=pc0+QCAGiVNaE23IqtysKPw8Ch3HDcsW5KXzRut7Iv1uboBD9eHlOE7I/PK8pSNmHi cXSLASLBlyovycETtkl1GNCWkG0kY0Ji4WPyY0DO9oAxDjSYeAc+L4BCn4SUYJKTHF1+ TFwN+leTLrUbqUjcwY7FvHMEXQEmhFPWxcReV0gCkeEukcUwlTq14nIyQxPydpwgVX21 3ACZi2JXHomPibr4STw+rDxEfrkMyQkSjAqrNcv55OQv+yz/1aL332Q3aWlvz3xordmJ MAZ4U/seBYZo4ZC6fMM7f+vh63np1XRPIMH0Rx5u4dAionklqVrcziJvZ+RDoD65vNOI c9SA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=ygTxP1R89jRodLSMaZ5umXgwdbn+zdw9an2P2JOV6+Q=; b=6zCXnOMz1fQw+7L+RW+HREt0Z1GiYlAvKqhL6esGTD5eBE8fgC4s92Sjf2SvP5uw81 3b58WsPtoi34q/1tpJbLf52kmanV3lWEGxGVXxr5f/4s+A5DtnJnyfqe8+zFPSL8U0np 8k4p6331VPYIfs1diSqGMrMzvlDOaJPF4q75QAaqbhOvTvBnluDHSRky5C+11A4Y6EYx 9S1Nhlu5XeeBpftGGUxWAAGlmHUnL9jN2vseTVr2e7lf9VdfVzyXqGupJKu6K+o1Zp/h mb1XRPtA5MCQdSHSQC3Sa67I3InjfyIZ5oHSTW1v7W0mGYmDe5o8UwYj4ELZXxA2EOMy VZwQ== X-Gm-Message-State: ACrzQf1GWPXI3eZq6B/3vaRc3nhGXZ9oFbeMFbW+K65R8IjNUS29WCbM 0H0TU2d+Unt+MK8iEv8N6JBhge1g2iWnhQ== X-Google-Smtp-Source: AMsMyM4SYa8h2DpwjbsnvWoqnQlLegJ6jRxJqE+Ci2JrZ9r0T2mrPMg27fBiM3mHa8NYeHvtaI7ZkA== X-Received: by 2002:a05:6512:a89:b0:49d:b866:6330 with SMTP id m9-20020a0565120a8900b0049db8666330mr5696115lfu.346.1663585732912; Mon, 19 Sep 2022 04:08:52 -0700 (PDT) Received: from wse-c0089.westermo.com (h-98-128-229-160.NA.cust.bahnhof.se. [98.128.229.160]) by smtp.gmail.com with ESMTPSA id t13-20020a05651c204d00b00266d3f689e1sm4879261ljo.43.2022.09.19.04.08.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Sep 2022 04:08:52 -0700 (PDT) From: Mattias Forsblad To: netdev@vger.kernel.org Cc: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux@armlinux.org.uk, ansuelsmth@gmail.com, Mattias Forsblad Subject: [PATCH net-next v14 2/7] net: dsa: Add convenience functions for frame handling Date: Mon, 19 Sep 2022 13:08:42 +0200 Message-Id: <20220919110847.744712-3-mattias.forsblad@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220919110847.744712-1-mattias.forsblad@gmail.com> References: <20220919110847.744712-1-mattias.forsblad@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add common control functions for drivers that need to send and wait for control frames. Reviewed-by: Florian Fainelli Signed-off-by: Mattias Forsblad --- include/net/dsa.h | 11 +++++++++++ net/dsa/dsa.c | 17 +++++++++++++++++ net/dsa/dsa2.c | 2 ++ 3 files changed, 30 insertions(+) diff --git a/include/net/dsa.h b/include/net/dsa.h index f2ce12860546..08f3fff5f4df 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -495,6 +495,8 @@ struct dsa_switch { unsigned int max_num_bridges; unsigned int num_ports; + + struct completion inband_done; }; static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) @@ -1390,6 +1392,15 @@ void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], unsigned int count); +int dsa_switch_inband_tx(struct dsa_switch *ds, struct sk_buff *skb, + struct completion *completion, unsigned long timeout); + +static inline void dsa_switch_inband_complete(struct dsa_switch *ds, struct completion *completion) +{ + /* Custom completion? */ + complete(completion ?: &ds->inband_done); +} + #define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ static int __init dsa_tag_driver_module_init(void) \ { \ diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index be7b320cda76..ad870494d68b 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -324,6 +324,23 @@ int dsa_switch_resume(struct dsa_switch *ds) EXPORT_SYMBOL_GPL(dsa_switch_resume); #endif +int dsa_switch_inband_tx(struct dsa_switch *ds, struct sk_buff *skb, + struct completion *completion, unsigned long timeout) +{ + struct completion *com; + + /* Custom completion? */ + com = completion ? : &ds->inband_done; + + reinit_completion(com); + + if (skb) + dev_queue_xmit(skb); + + return wait_for_completion_timeout(com, msecs_to_jiffies(timeout)); +} +EXPORT_SYMBOL_GPL(dsa_switch_inband_tx); + static struct packet_type dsa_pack_type __read_mostly = { .type = cpu_to_be16(ETH_P_XDSA), .func = dsa_switch_rcv, diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index ed56c7a554b8..a048a6200789 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -874,6 +874,8 @@ static int dsa_switch_setup(struct dsa_switch *ds) if (ds->setup) return 0; + init_completion(&ds->inband_done); + /* Initialize ds->phys_mii_mask before registering the slave MDIO bus * driver and before ops->setup() has run, since the switch drivers and * the slave MDIO bus driver rely on these values for probing PHY