From patchwork Wed Dec 2 12:07:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 337647 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 7F3B9C83014 for ; Wed, 2 Dec 2020 12:08:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4822D22206 for ; Wed, 2 Dec 2020 12:08:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387735AbgLBMIn (ORCPT ); Wed, 2 Dec 2020 07:08:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726562AbgLBMIk (ORCPT ); Wed, 2 Dec 2020 07:08:40 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6EADC061A4D for ; Wed, 2 Dec 2020 04:07:23 -0800 (PST) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kkQuj-0005jO-7c; Wed, 02 Dec 2020 13:07:17 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kkQuf-0001df-V6; Wed, 02 Dec 2020 13:07:13 +0100 From: Oleksij Rempel To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Russell King Cc: Oleksij Rempel , Pengutronix Kernel Team , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org Subject: [PATCH v2 1/2] net: dsa: add optional stats64 support Date: Wed, 2 Dec 2020 13:07:11 +0100 Message-Id: <20201202120712.6212-2-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201202120712.6212-1-o.rempel@pengutronix.de> References: <20201202120712.6212-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Allow DSA drivers to export stats64 Signed-off-by: Oleksij Rempel --- include/net/dsa.h | 3 +++ net/dsa/slave.c | 14 +++++++++++++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/include/net/dsa.h b/include/net/dsa.h index 4e60d2610f20..457b89143875 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -655,6 +655,9 @@ struct dsa_switch_ops { int (*port_change_mtu)(struct dsa_switch *ds, int port, int new_mtu); int (*port_max_mtu)(struct dsa_switch *ds, int port); + + void (*get_stats64)(struct dsa_switch *ds, int port, + struct rtnl_link_stats64 *s); }; #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ diff --git a/net/dsa/slave.c b/net/dsa/slave.c index ff2266d2b998..6e1a4dc18a97 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1602,6 +1602,18 @@ static struct devlink_port *dsa_slave_get_devlink_port(struct net_device *dev) return dp->ds->devlink ? &dp->devlink_port : NULL; } +static void dsa_slave_get_stats64(struct net_device *dev, + struct rtnl_link_stats64 *s) +{ + struct dsa_port *dp = dsa_slave_to_port(dev); + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->get_stats64) + return dev_get_tstats64(dev, s); + + return ds->ops->get_stats64(ds, dp->index, s); +} + static const struct net_device_ops dsa_slave_netdev_ops = { .ndo_open = dsa_slave_open, .ndo_stop = dsa_slave_close, @@ -1621,7 +1633,7 @@ static const struct net_device_ops dsa_slave_netdev_ops = { #endif .ndo_get_phys_port_name = dsa_slave_get_phys_port_name, .ndo_setup_tc = dsa_slave_setup_tc, - .ndo_get_stats64 = dev_get_tstats64, + .ndo_get_stats64 = dsa_slave_get_stats64, .ndo_get_port_parent_id = dsa_slave_get_port_parent_id, .ndo_vlan_rx_add_vid = dsa_slave_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = dsa_slave_vlan_rx_kill_vid, From patchwork Wed Dec 2 12:07:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 336575 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 4F229C83016 for ; Wed, 2 Dec 2020 12:08:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 178D822203 for ; Wed, 2 Dec 2020 12:08:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388218AbgLBMIo (ORCPT ); Wed, 2 Dec 2020 07:08:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727366AbgLBMIk (ORCPT ); Wed, 2 Dec 2020 07:08:40 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B13FC061A4F for ; Wed, 2 Dec 2020 04:07:24 -0800 (PST) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kkQuj-0005jP-7c; Wed, 02 Dec 2020 13:07:17 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kkQuf-0001do-W5; Wed, 02 Dec 2020 13:07:13 +0100 From: Oleksij Rempel To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Russell King Cc: Oleksij Rempel , Pengutronix Kernel Team , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org Subject: [PATCH v2 2/2] net: dsa: qca: ar9331: export stats64 Date: Wed, 2 Dec 2020 13:07:12 +0100 Message-Id: <20201202120712.6212-3-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201202120712.6212-1-o.rempel@pengutronix.de> References: <20201202120712.6212-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add stats support for the ar9331 switch. Signed-off-by: Oleksij Rempel --- drivers/net/dsa/qca/ar9331.c | 242 ++++++++++++++++++++++++++++++++++- 1 file changed, 241 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c index e24a99031b80..1a8027bc9561 100644 --- a/drivers/net/dsa/qca/ar9331.c +++ b/drivers/net/dsa/qca/ar9331.c @@ -101,6 +101,57 @@ AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \ AR9331_SW_PORT_STATUS_SPEED_M) +/* MIB registers */ +#define AR9331_MIB_COUNTER(x) (0x20000 + ((x) * 0x100)) + +#define AR9331_PORT_MIB_rxbroad(_port) (AR9331_MIB_COUNTER(_port) + 0x00) +#define AR9331_PORT_MIB_rxpause(_port) (AR9331_MIB_COUNTER(_port) + 0x04) +#define AR9331_PORT_MIB_rxmulti(_port) (AR9331_MIB_COUNTER(_port) + 0x08) +#define AR9331_PORT_MIB_rxfcserr(_port) (AR9331_MIB_COUNTER(_port) + 0x0c) +#define AR9331_PORT_MIB_rxalignerr(_port) (AR9331_MIB_COUNTER(_port) + 0x10) +#define AR9331_PORT_MIB_rxrunt(_port) (AR9331_MIB_COUNTER(_port) + 0x14) +#define AR9331_PORT_MIB_rxfragment(_port) (AR9331_MIB_COUNTER(_port) + 0x18) +#define AR9331_PORT_MIB_rx64byte(_port) (AR9331_MIB_COUNTER(_port) + 0x1c) +#define AR9331_PORT_MIB_rx128byte(_port) (AR9331_MIB_COUNTER(_port) + 0x20) +#define AR9331_PORT_MIB_rx256byte(_port) (AR9331_MIB_COUNTER(_port) + 0x24) +#define AR9331_PORT_MIB_rx512byte(_port) (AR9331_MIB_COUNTER(_port) + 0x28) +#define AR9331_PORT_MIB_rx1024byte(_port) (AR9331_MIB_COUNTER(_port) + 0x2c) +#define AR9331_PORT_MIB_rx1518byte(_port) (AR9331_MIB_COUNTER(_port) + 0x30) +#define AR9331_PORT_MIB_rxmaxbyte(_port) (AR9331_MIB_COUNTER(_port) + 0x34) +#define AR9331_PORT_MIB_rxtoolong(_port) (AR9331_MIB_COUNTER(_port) + 0x38) + +/* 64 bit counter */ +#define AR9331_PORT_MIB_rxgoodbyte(_port) (AR9331_MIB_COUNTER(_port) + 0x3c) + +/* 64 bit counter */ +#define AR9331_PORT_MIB_rxbadbyte(_port) (AR9331_MIB_COUNTER(_port) + 0x44) + +#define AR9331_PORT_MIB_rxoverflow(_port) (AR9331_MIB_COUNTER(_port) + 0x4c) +#define AR9331_PORT_MIB_filtered(_port) (AR9331_MIB_COUNTER(_port) + 0x50) +#define AR9331_PORT_MIB_txbroad(_port) (AR9331_MIB_COUNTER(_port) + 0x54) +#define AR9331_PORT_MIB_txpause(_port) (AR9331_MIB_COUNTER(_port) + 0x58) +#define AR9331_PORT_MIB_txmulti(_port) (AR9331_MIB_COUNTER(_port) + 0x5c) +#define AR9331_PORT_MIB_txunderrun(_port) (AR9331_MIB_COUNTER(_port) + 0x60) +#define AR9331_PORT_MIB_tx64byte(_port) (AR9331_MIB_COUNTER(_port) + 0x64) +#define AR9331_PORT_MIB_tx128byte(_port) (AR9331_MIB_COUNTER(_port) + 0x68) +#define AR9331_PORT_MIB_tx256byte(_port) (AR9331_MIB_COUNTER(_port) + 0x6c) +#define AR9331_PORT_MIB_tx512byte(_port) (AR9331_MIB_COUNTER(_port) + 0x70) +#define AR9331_PORT_MIB_tx1024byte(_port) (AR9331_MIB_COUNTER(_port) + 0x74) +#define AR9331_PORT_MIB_tx1518byte(_port) (AR9331_MIB_COUNTER(_port) + 0x78) +#define AR9331_PORT_MIB_txmaxbyte(_port) (AR9331_MIB_COUNTER(_port) + 0x7c) +#define AR9331_PORT_MIB_txoversize(_port) (AR9331_MIB_COUNTER(_port) + 0x80) + +/* 64 bit counter */ +#define AR9331_PORT_MIB_txbyte(_port) (AR9331_MIB_COUNTER(_port) + 0x84) + +#define AR9331_PORT_MIB_txcollision(_port) (AR9331_MIB_COUNTER(_port) + 0x8c) +#define AR9331_PORT_MIB_txabortcol(_port) (AR9331_MIB_COUNTER(_port) + 0x90) +#define AR9331_PORT_MIB_txmulticol(_port) (AR9331_MIB_COUNTER(_port) + 0x94) +#define AR9331_PORT_MIB_txsinglecol(_port) (AR9331_MIB_COUNTER(_port) + 0x98) +#define AR9331_PORT_MIB_txexcdefer(_port) (AR9331_MIB_COUNTER(_port) + 0x9c) +#define AR9331_PORT_MIB_txdefer(_port) (AR9331_MIB_COUNTER(_port) + 0xa0) +#define AR9331_PORT_MIB_txlatecol(_port) (AR9331_MIB_COUNTER(_port) + 0xa4) + /* Phy bypass mode * ------------------------------------------------------------------------ * Bit: | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 |11 |12 |13 |14 |15 | @@ -154,6 +205,59 @@ #define AR9331_SW_MDIO_POLL_SLEEP_US 1 #define AR9331_SW_MDIO_POLL_TIMEOUT_US 20 +#define STATS_INTERVAL_JIFFIES (100 * HZ) + +struct ar9331_sw_stats { + u64 rxbroad; + u64 rxpause; + u64 rxmulti; + u64 rxfcserr; + u64 rxalignerr; + u64 rxrunt; + u64 rxfragment; + u64 rx64byte; + u64 rx128byte; + u64 rx256byte; + u64 rx512byte; + u64 rx1024byte; + u64 rx1518byte; + u64 rxmaxbyte; + u64 rxtoolong; + u64 rxgoodbyte; + u64 rxbadbyte; + u64 rxoverflow; + u64 filtered; + u64 txbroad; + u64 txpause; + u64 txmulti; + u64 txunderrun; + u64 tx64byte; + u64 tx128byte; + u64 tx256byte; + u64 tx512byte; + u64 tx1024byte; + u64 tx1518byte; + u64 txmaxbyte; + u64 txoversize; + u64 txbyte; + u64 txcollision; + u64 txabortcol; + u64 txmulticol; + u64 txsinglecol; + u64 txexcdefer; + u64 txdefer; + u64 txlatecol; +}; + +struct ar9331_sw_priv; +struct ar9331_sw_port { + int idx; + struct ar9331_sw_priv *priv; + struct delayed_work mib_read; + struct ar9331_sw_stats stats; + struct mutex lock; /* stats access */ +}; + struct ar9331_sw_priv { struct device *dev; struct dsa_switch ds; @@ -163,6 +267,7 @@ struct ar9331_sw_priv { struct mii_bus *sbus; /* mdio slave */ struct regmap *regmap; struct reset_control *sw_reset; + struct ar9331_sw_port port[AR9331_SW_PORTS]; }; /* Warning: switch reset will reset last AR9331_SW_MDIO_PHY_MODE_PAGE request @@ -422,6 +527,7 @@ static void ar9331_sw_phylink_mac_link_down(struct dsa_switch *ds, int port, phy_interface_t interface) { struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv; + struct ar9331_sw_port *p = &priv->port[port]; struct regmap *regmap = priv->regmap; int ret; @@ -429,6 +535,8 @@ static void ar9331_sw_phylink_mac_link_down(struct dsa_switch *ds, int port, AR9331_SW_PORT_STATUS_MAC_MASK, 0); if (ret) dev_err_ratelimited(priv->dev, "%s: %i\n", __func__, ret); + + cancel_delayed_work_sync(&p->mib_read); } static void ar9331_sw_phylink_mac_link_up(struct dsa_switch *ds, int port, @@ -439,10 +547,13 @@ static void ar9331_sw_phylink_mac_link_up(struct dsa_switch *ds, int port, bool tx_pause, bool rx_pause) { struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv; + struct ar9331_sw_port *p = &priv->port[port]; struct regmap *regmap = priv->regmap; u32 val; int ret; + schedule_delayed_work(&p->mib_read, 0); + val = AR9331_SW_PORT_STATUS_MAC_MASK; switch (speed) { case SPEED_1000: @@ -475,6 +586,125 @@ static void ar9331_sw_phylink_mac_link_up(struct dsa_switch *ds, int port, dev_err_ratelimited(priv->dev, "%s: %i\n", __func__, ret); } +static u32 ar9331_stat_get_val(const struct ar9331_sw_priv *priv, u32 reg) +{ + u32 val; + int ret; + + ret = regmap_read(priv->regmap, reg, &val); + if (ret) { + dev_err_ratelimited(priv->dev, "%s: %i\n", __func__, ret); + return 0; + } + + return val; +} + +#define AR9331_READ_STATS(_port, _reg) \ +{ \ + const struct ar9331_sw_priv *priv = _port->priv; \ + struct ar9331_sw_stats *s = &_port->stats; \ + int idx = _port->idx; \ +\ + s->_reg += ar9331_stat_get_val(priv, AR9331_PORT_MIB_##_reg(idx)); \ +} + +static void ar9331_read_stats(struct ar9331_sw_port *port) +{ + mutex_lock(&port->lock); + + AR9331_READ_STATS(port, rxbroad); + AR9331_READ_STATS(port, rxpause); + AR9331_READ_STATS(port, rxmulti); + AR9331_READ_STATS(port, rxfcserr); + AR9331_READ_STATS(port, rxalignerr); + AR9331_READ_STATS(port, rxrunt); + AR9331_READ_STATS(port, rxfragment); + AR9331_READ_STATS(port, rx64byte); + AR9331_READ_STATS(port, rx128byte); + AR9331_READ_STATS(port, rx256byte); + AR9331_READ_STATS(port, rx512byte); + AR9331_READ_STATS(port, rx1024byte); + AR9331_READ_STATS(port, rx1518byte); + AR9331_READ_STATS(port, rxmaxbyte); + AR9331_READ_STATS(port, rxtoolong); + AR9331_READ_STATS(port, rxgoodbyte); + AR9331_READ_STATS(port, rxbadbyte); + AR9331_READ_STATS(port, rxoverflow); + AR9331_READ_STATS(port, filtered); + AR9331_READ_STATS(port, txbroad); + AR9331_READ_STATS(port, txpause); + AR9331_READ_STATS(port, txmulti); + AR9331_READ_STATS(port, txunderrun); + AR9331_READ_STATS(port, tx64byte); + AR9331_READ_STATS(port, tx128byte); + AR9331_READ_STATS(port, tx256byte); + AR9331_READ_STATS(port, tx512byte); + AR9331_READ_STATS(port, tx1024byte); + AR9331_READ_STATS(port, tx1518byte); + AR9331_READ_STATS(port, txmaxbyte); + AR9331_READ_STATS(port, txoversize); + AR9331_READ_STATS(port, txbyte); + AR9331_READ_STATS(port, txcollision); + AR9331_READ_STATS(port, txabortcol); + AR9331_READ_STATS(port, txmulticol); + AR9331_READ_STATS(port, txsinglecol); + AR9331_READ_STATS(port, txexcdefer); + AR9331_READ_STATS(port, txdefer); + AR9331_READ_STATS(port, txlatecol); + + mutex_unlock(&port->lock); +} + +static void ar9331_stats_update(struct ar9331_sw_port *port, + struct rtnl_link_stats64 *stats) +{ + struct ar9331_sw_stats *s = &port->stats; + + stats->rx_packets = s->rxbroad + s->rxmulti + s->rx64byte + + s->rx128byte + s->rx256byte + s->rx512byte + s->rx1024byte + + s->rx1518byte + s->rxmaxbyte; + stats->tx_packets = s->txbroad + s->txmulti + s->tx64byte + + s->tx128byte + s->tx256byte + s->tx512byte + s->tx1024byte + + s->tx1518byte + s->txmaxbyte; + stats->rx_bytes = s->rxgoodbyte; + stats->tx_bytes = s->txbyte; + stats->rx_errors = s->rxfcserr + s->rxalignerr + s->rxrunt + + s->rxfragment + s->rxoverflow; + stats->tx_errors = s->txoversize; + stats->multicast = s->rxmulti; + stats->collisions = s->txcollision; + stats->rx_length_errors = s->rxrunt * s->rxfragment + s->rxtoolong; + stats->rx_crc_errors = s->rxfcserr + s->rxalignerr + s->rxfragment; + stats->rx_frame_errors = s->rxalignerr; + stats->rx_missed_errors = s->rxoverflow; + stats->tx_aborted_errors = s->txabortcol; + stats->tx_fifo_errors = s->txunderrun; + stats->tx_window_errors = s->txlatecol; + stats->rx_nohandler = s->filtered; +} + +static void ar9331_do_stats_poll(struct work_struct *work) +{ + + struct ar9331_sw_port *port = container_of(work, struct ar9331_sw_port, + mib_read.work); + + ar9331_read_stats(port); + + schedule_delayed_work(&port->mib_read, STATS_INTERVAL_JIFFIES); +} + +static void ar9331_get_stats64(struct dsa_switch *ds, int port, + struct rtnl_link_stats64 *s) +{ + struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv; + struct ar9331_sw_port *p = &priv->port[port]; + + ar9331_read_stats(p); + ar9331_stats_update(p, s); +} + static const struct dsa_switch_ops ar9331_sw_ops = { .get_tag_protocol = ar9331_sw_get_tag_protocol, .setup = ar9331_sw_setup, @@ -483,6 +713,7 @@ static const struct dsa_switch_ops ar9331_sw_ops = { .phylink_mac_config = ar9331_sw_phylink_mac_config, .phylink_mac_link_down = ar9331_sw_phylink_mac_link_down, .phylink_mac_link_up = ar9331_sw_phylink_mac_link_up, + .get_stats64 = ar9331_get_stats64, }; static irqreturn_t ar9331_sw_irq(int irq, void *data) @@ -781,7 +1012,7 @@ static int ar9331_sw_probe(struct mdio_device *mdiodev) { struct ar9331_sw_priv *priv; struct dsa_switch *ds; - int ret; + int ret, i; priv = devm_kzalloc(&mdiodev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -816,6 +1047,15 @@ static int ar9331_sw_probe(struct mdio_device *mdiodev) ds->ops = &priv->ops; dev_set_drvdata(&mdiodev->dev, priv); + for (i = 0; i < ARRAY_SIZE(priv->port); i++) { + struct ar9331_sw_port *port = &priv->port[i]; + + port->idx = i; + port->priv = priv; + mutex_init(&port->lock); + INIT_DELAYED_WORK(&port->mib_read, ar9331_do_stats_poll); + } + ret = dsa_register_switch(ds); if (ret) goto err_remove_irq;