From patchwork Tue Sep 13 10:43:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mattias Forsblad X-Patchwork-Id: 12974688 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 18A1AC6FA89 for ; Tue, 13 Sep 2022 10:43:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231664AbiIMKnr (ORCPT ); Tue, 13 Sep 2022 06:43:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230470AbiIMKnj (ORCPT ); Tue, 13 Sep 2022 06:43:39 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79BBE5D130 for ; Tue, 13 Sep 2022 03:43:38 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id o2so17220894lfc.10 for ; Tue, 13 Sep 2022 03:43:38 -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=O651eX+vdQDwumo6UV5G0Dw+0xJjVRxHZkQh9754BII=; b=X0xapZw1vPZtoIJFd/MD3r0REvyoshq9SqNPhhXhDbyzrPLBZNFjX4TuCoFe69pxKs kbHkqEkz1ovi3Wa1FXlIU67Q9t4ZHlHLsi1mV9wRQvH6zx4hSi+B51ucDhIfS2YLgAcG ebDCziaUOnax4Jhq6JymTkw3d9n8nhoz/1RyAIgpm4PoXI1H0xCCU3J6FCMN6Zaxqqah 595Qfr/n5KCZS1pJZm8b98lEKIoT/jgSSX3ep8RRl9MJUArYNbXKH2aGQlkAMK+v2BOA sXB7zgXwx+EBgaGQFz5UfwhiAGnpYe5D6AQMZsU2ylH5smVMc7dhixDomcnkHTVbZx01 wIZw== 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=O651eX+vdQDwumo6UV5G0Dw+0xJjVRxHZkQh9754BII=; b=KY1m50a2cRX6d/ppHspAGyRCOSMN+9zXaRcbWaOi8TAsDmVNfZiTNSXQG+viz3qDUf lWvb1QCGo2aX19Q4fMBFHHE4V01kvs6DO5CwlOoVpc5lWxPBOhgzCb9bI+zmpdvPHBdf dNj5aDrF/HehXo6PbTfEawh9RXWWQJATlTUiI9o3cUhD2cJoA0jYbxhJR1X3Fw+3NMzS UGCF5IXklD9UR4gHIWNkq9gHhnBs+6IZTIPrrbE+vHhiGdpGk9RAKHgXgcCAAgBrkaIJ 6335k+xhKh4PIumhuPxXCuj5S3luoSVXlSV5qTYiY/fCNOZeS2mm280XnUkiE6LWlJrL ok9A== X-Gm-Message-State: ACgBeo3biUNpsAI+MUcP3rO3soe5ivEeCPp40pTYwTrCeOz5t7IosH2/ yfeneYexp9DqhxoJVldKzF6ghsi19vgQsgR5 X-Google-Smtp-Source: AA6agR6XgTetaEHJg/jb6ZkPwP+Xr/Dqing41K8m/dkL4kkJZ9zxiyTIyMpRylGzoQ4IvvdLsuP/cw== X-Received: by 2002:a05:6512:3992:b0:493:e8c5:638c with SMTP id j18-20020a056512399200b00493e8c5638cmr10131151lfu.492.1663065816548; Tue, 13 Sep 2022 03:43:36 -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 i2-20020a2ea362000000b0026bf27c7056sm1018946ljn.67.2022.09.13.03.43.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Sep 2022 03:43:36 -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, Mattias Forsblad Subject: [PATCH net-next v10 6/6] net: dsa: qca8k: Use new convenience functions Date: Tue, 13 Sep 2022 12:43:20 +0200 Message-Id: <20220913104320.471673-7-mattias.forsblad@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220913104320.471673-1-mattias.forsblad@gmail.com> References: <20220913104320.471673-1-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 Use the new common convenience functions for sending and waiting for frames. Signed-off-by: Mattias Forsblad --- drivers/net/dsa/qca/qca8k-8xxx.c | 61 +++++++++----------------------- 1 file changed, 17 insertions(+), 44 deletions(-) diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index c181346388a4..4e9bc103c0a5 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -160,7 +160,7 @@ static void qca8k_rw_reg_ack_handler(struct dsa_switch *ds, struct sk_buff *skb) QCA_HDR_MGMT_DATA2_LEN); } - complete(&mgmt_eth_data->rw_done); + dsa_switch_inband_complete(ds, &mgmt_eth_data->rw_done); } static struct sk_buff *qca8k_alloc_mdio_header(enum mdio_cmd cmd, u32 reg, u32 *val, @@ -228,6 +228,7 @@ static void qca8k_mdio_header_fill_seq_num(struct sk_buff *skb, u32 seq_num) static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) { struct qca8k_mgmt_eth_data *mgmt_eth_data = &priv->mgmt_eth_data; + struct dsa_switch *ds = priv->ds; struct sk_buff *skb; bool ack; int ret; @@ -248,17 +249,12 @@ static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) skb->dev = priv->mgmt_master; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the mdio pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - msecs_to_jiffies(QCA8K_ETHERNET_TIMEOUT)); + ret = dsa_switch_inband_tx(ds, skb, &mgmt_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); *val = mgmt_eth_data->data[0]; if (len > QCA_HDR_MGMT_DATA1_LEN) @@ -280,6 +276,7 @@ static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) static int qca8k_write_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) { struct qca8k_mgmt_eth_data *mgmt_eth_data = &priv->mgmt_eth_data; + struct dsa_switch *ds = priv->ds; struct sk_buff *skb; bool ack; int ret; @@ -300,17 +297,12 @@ static int qca8k_write_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) skb->dev = priv->mgmt_master; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the mdio pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - msecs_to_jiffies(QCA8K_ETHERNET_TIMEOUT)); + ret = dsa_switch_inband_tx(ds, skb, &mgmt_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -441,24 +433,21 @@ static struct regmap_config qca8k_regmap_config = { }; static int -qca8k_phy_eth_busy_wait(struct qca8k_mgmt_eth_data *mgmt_eth_data, +qca8k_phy_eth_busy_wait(struct qca8k_priv *priv, struct sk_buff *read_skb, u32 *val) { + struct qca8k_mgmt_eth_data *mgmt_eth_data = &priv->mgmt_eth_data; struct sk_buff *skb = skb_copy(read_skb, GFP_KERNEL); + struct dsa_switch *ds = priv->ds; bool ack; int ret; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the copy pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, skb, &mgmt_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -480,6 +469,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, struct sk_buff *write_skb, *clear_skb, *read_skb; struct qca8k_mgmt_eth_data *mgmt_eth_data; u32 write_val, clear_val = 0, val; + struct dsa_switch *ds = priv->ds; struct net_device *mgmt_master; int ret, ret1; bool ack; @@ -540,17 +530,12 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, clear_skb->dev = mgmt_master; write_skb->dev = mgmt_master; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the write pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(write_skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(write_skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, write_skb, &mgmt_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -569,7 +554,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, ret = read_poll_timeout(qca8k_phy_eth_busy_wait, ret1, !(val & QCA8K_MDIO_MASTER_BUSY), 0, QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC, false, - mgmt_eth_data, read_skb, &val); + priv, read_skb, &val); if (ret < 0 && ret1 < 0) { ret = ret1; @@ -577,17 +562,13 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, } if (read) { - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the read pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(read_skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(read_skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, read_skb, &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -606,17 +587,12 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, kfree_skb(read_skb); } exit: - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the clear pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(clear_skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(clear_skb); - - wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, clear_skb, &mgmt_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); mutex_unlock(&mgmt_eth_data->mutex); @@ -1528,7 +1504,7 @@ static void qca8k_mib_autocast_handler(struct dsa_switch *ds, struct sk_buff *sk exit: /* Complete on receiving all the mib packet */ if (refcount_dec_and_test(&mib_eth_data->port_parsed)) - complete(&mib_eth_data->rw_done); + dsa_switch_inband_complete(ds, &mib_eth_data->rw_done); } static int @@ -1543,8 +1519,6 @@ qca8k_get_ethtool_stats_eth(struct dsa_switch *ds, int port, u64 *data) mutex_lock(&mib_eth_data->mutex); - reinit_completion(&mib_eth_data->rw_done); - mib_eth_data->req_port = dp->index; mib_eth_data->data = data; refcount_set(&mib_eth_data->port_parsed, QCA8K_NUM_PORTS); @@ -1562,8 +1536,7 @@ qca8k_get_ethtool_stats_eth(struct dsa_switch *ds, int port, u64 *data) if (ret) goto exit; - ret = wait_for_completion_timeout(&mib_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); - + ret = dsa_switch_inband_tx(ds, NULL, &mib_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); exit: mutex_unlock(&mib_eth_data->mutex);