Date:   Fri, 23 Oct 2020 16:45:45 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        davem@...emloft.net, kuba@...nel.org, mdf@...nel.org,
        lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org,
        netdev@...r.kernel.org, trix@...hat.com, lgoncalv@...hat.com,
        yilun.xu@...el.com, hao.wu@...el.com,
        Russ Weight <russell.h.weight@...el.com>
Subject: [RFC PATCH 6/6] ethernet: dfl-eth-group: add support for the 10G configurations

This patch adds 10G configurations support for dfl ether group private
feature.

10G configurations have different PHY & MAC IP blocks from 25G, so a
different set of HW operations is implemented, but the software arch is
quite similar with 25G.

Signed-off-by: Xu Yilun <yilun.xu@...el.com>
Signed-off-by: Russ Weight <russell.h.weight@...el.com>
---
 drivers/net/ethernet/intel/Makefile             |   2 +-
 drivers/net/ethernet/intel/dfl-eth-group-10g.c  | 544 ++++++++++++++++++++++++
 drivers/net/ethernet/intel/dfl-eth-group-main.c |   3 +
 drivers/net/ethernet/intel/dfl-eth-group.h      |   1 +
 4 files changed, 549 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/ethernet/intel/dfl-eth-group-10g.c

diff --git a/drivers/net/ethernet/intel/Makefile b/drivers/net/ethernet/intel/Makefile
index 1624c26..be097656 100644
--- a/drivers/net/ethernet/intel/Makefile
+++ b/drivers/net/ethernet/intel/Makefile
@@ -17,6 +17,6 @@ obj-$(CONFIG_IAVF) += iavf/
 obj-$(CONFIG_FM10K) += fm10k/
 obj-$(CONFIG_ICE) += ice/
 
-dfl-eth-group-objs := dfl-eth-group-main.o dfl-eth-group-25g.o
+dfl-eth-group-objs := dfl-eth-group-main.o dfl-eth-group-10g.o dfl-eth-group-25g.o
 obj-$(CONFIG_FPGA_DFL_ETH_GROUP) += dfl-eth-group.o
 obj-$(CONFIG_INTEL_M10_BMC_RETIMER) += intel-m10-bmc-retimer.o
diff --git a/drivers/net/ethernet/intel/dfl-eth-group-10g.c b/drivers/net/ethernet/intel/dfl-eth-group-10g.c
new file mode 100644
index 0000000..36f9dfc
--- /dev/null
+++ b/drivers/net/ethernet/intel/dfl-eth-group-10g.c
@@ -0,0 +1,544 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Driver for 10G Ether Group private feature on Intel PAC (Programmable
+ * Acceleration Card) N3000
+ *
+ * Copyright (C) 2019-2020 Intel Corporation, Inc.
+ *
+ * Authors:
+ *   Wu Hao <hao.wu@...el.com>
+ *   Xu Yilun <yilun.xu@...el.com>
+ */
+#include <linux/netdevice.h>
+
+#include "dfl-eth-group.h"
+
+/* 10G PHY Register */
+#define PHY_LOOPBACK		0x2e1
+#define PHY_LOOPBACK_SERIAL	BIT(0)
+
+/* 10G MAC Register */
+#define TX_FRAME_MAXLENGTH	0x2c
+#define TX_PAUSE_FRAME_QUANTA	0x42
+#define TX_PAUSE_FRAME_HOLDOFF	0x43
+#define TX_PAUSE_FRAME_EN	0x44
+#define TX_PAUSE_FRAME_EN_CFG	BIT(0)
+#define RX_FRAME_MAXLENGTH	0xae
+
+/* Additional Feature Register */
+#define ADD_PHY_CTRL		0x0
+#define PHY_RESET		BIT(0)
+
+static int edev10g_reset(struct eth_dev *edev, bool en)
+{
+	struct eth_com *phy = edev->phy;
+	struct device *dev = edev->dev;
+	u32 val;
+	int ret;
+
+	/* 10G eth group supports PHY reset. It uses external reset. */
+	ret = eth_com_add_feat_read_reg(phy, ADD_PHY_CTRL, &val);
+	if (ret) {
+		dev_err(dev, "fail to read ADD_PHY_CTRL reg: %d\n", ret);
+		return ret;
+	}
+
+	/* return if PHY is already in expected state */
+	if ((val & PHY_RESET && en) || (!(val & PHY_RESET) && !en))
+		return 0;
+
+	if (en)
+		val |= PHY_RESET;
+	else
+		val &= ~PHY_RESET;
+
+	ret = eth_com_add_feat_write_reg(phy, ADD_PHY_CTRL, val);
+	if (ret)
+		dev_err(dev, "fail to write ADD_PHY_CTRL reg: %d\n", ret);
+
+	return ret;
+}
+
+static ssize_t tx_pause_frame_quanta_show(struct device *d,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(to_net_dev(d));
+	u32 data;
+	int ret;
+
+	ret = eth_com_read_reg(edev->mac, TX_PAUSE_FRAME_QUANTA, &data);
+
+	return ret ? : sprintf(buf, "0x%x\n", data);
+}
+
+static ssize_t tx_pause_frame_quanta_store(struct device *d,
+					   struct device_attribute *attr,
+					   const char *buf, size_t len)
+{
+	struct net_device *netdev = to_net_dev(d);
+	struct eth_dev *edev;
+	u32 data;
+	int ret;
+
+	if (kstrtou32(buf, 0, &data))
+		return -EINVAL;
+
+	edev = net_device_to_eth_dev(netdev);
+
+	rtnl_lock();
+
+	if (netif_running(netdev)) {
+		netdev_err(netdev, "must be stopped to change pause param\n");
+		ret = -EBUSY;
+		goto out;
+	}
+
+	ret = eth_com_write_reg(edev->mac, TX_PAUSE_FRAME_QUANTA, data);
+
+out:
+	rtnl_unlock();
+
+	return ret ? : len;
+}
+static DEVICE_ATTR_RW(tx_pause_frame_quanta);
+
+static ssize_t tx_pause_frame_holdoff_show(struct device *d,
+					   struct device_attribute *attr,
+					   char *buf)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(to_net_dev(d));
+	u32 data;
+	int ret;
+
+	ret = eth_com_read_reg(edev->mac, TX_PAUSE_FRAME_HOLDOFF, &data);
+
+	return ret ? : sprintf(buf, "0x%x\n", data);
+}
+
+static ssize_t tx_pause_frame_holdoff_store(struct device *d,
+					    struct device_attribute *attr,
+					    const char *buf, size_t len)
+{
+	struct net_device *netdev = to_net_dev(d);
+	struct eth_dev *edev;
+	u32 data;
+	int ret;
+
+	if (kstrtou32(buf, 0, &data))
+		return -EINVAL;
+
+	edev = net_device_to_eth_dev(netdev);
+
+	rtnl_lock();
+
+	if (netif_running(netdev)) {
+		netdev_err(netdev, "must be stopped to change pause param\n");
+		ret = -EBUSY;
+		goto out;
+	}
+
+	ret = eth_com_write_reg(edev->mac, TX_PAUSE_FRAME_HOLDOFF, data);
+
+out:
+	rtnl_unlock();
+
+	return ret ? : len;
+}
+static DEVICE_ATTR_RW(tx_pause_frame_holdoff);
+
+static struct attribute *edev10g_dev_attrs[] = {
+	&dev_attr_tx_pause_frame_quanta.attr,
+	&dev_attr_tx_pause_frame_holdoff.attr,
+	NULL
+};
+
+/* device attributes */
+static const struct attribute_group edev10g_attr_group = {
+	.attrs = edev10g_dev_attrs,
+};
+
+/* ethtool ops */
+static struct stat_info stats_10g[] = {
+	/* TX Statistics */
+	{STAT_INFO(0x142, "tx_frame_ok")},
+	{STAT_INFO(0x144, "tx_frame_err")},
+	{STAT_INFO(0x146, "tx_frame_crc_err")},
+	{STAT_INFO(0x148, "tx_octets_ok")},
+	{STAT_INFO(0x14a, "tx_pause_mac_ctrl_frames")},
+	{STAT_INFO(0x14c, "tx_if_err")},
+	{STAT_INFO(0x14e, "tx_unicast_frame_ok")},
+	{STAT_INFO(0x150, "tx_unicast_frame_err")},
+	{STAT_INFO(0x152, "tx_multicast_frame_ok")},
+	{STAT_INFO(0x154, "tx_multicast_frame_err")},
+	{STAT_INFO(0x156, "tx_broadcast_frame_ok")},
+	{STAT_INFO(0x158, "tx_broadcast_frame_err")},
+	{STAT_INFO(0x15a, "tx_ether_octets")},
+	{STAT_INFO(0x15c, "tx_ether_pkts")},
+	{STAT_INFO(0x15e, "tx_ether_undersize_pkts")},
+	{STAT_INFO(0x160, "tx_ether_oversize_pkts")},
+	{STAT_INFO(0x162, "tx_ether_pkts_64_octets")},
+	{STAT_INFO(0x164, "tx_ether_pkts_65_127_octets")},
+	{STAT_INFO(0x166, "tx_ether_pkts_128_255_octets")},
+	{STAT_INFO(0x168, "tx_ether_pkts_256_511_octets")},
+	{STAT_INFO(0x16a, "tx_ether_pkts_512_1023_octets")},
+	{STAT_INFO(0x16c, "tx_ether_pkts_1024_1518_octets")},
+	{STAT_INFO(0x16e, "tx_ether_pkts_1519_x_octets")},
+	{STAT_INFO(0x176, "tx_unicast_mac_ctrl_frames")},
+	{STAT_INFO(0x178, "tx_multicast_mac_ctrl_frames")},
+	{STAT_INFO(0x17a, "tx_broadcast_mac_ctrl_frames")},
+	{STAT_INFO(0x17c, "tx_pfc_mac_ctrl_frames")},
+
+	/* RX Statistics */
+	{STAT_INFO(0x1c2, "rx_frame_ok")},
+	{STAT_INFO(0x1c4, "rx_frame_err")},
+	{STAT_INFO(0x1c6, "rx_frame_crc_err")},
+	{STAT_INFO(0x1c8, "rx_octets_ok")},
+	{STAT_INFO(0x1ca, "rx_pause_mac_ctrl_frames")},
+	{STAT_INFO(0x1cc, "rx_if_err")},
+	{STAT_INFO(0x1ce, "rx_unicast_frame_ok")},
+	{STAT_INFO(0x1d0, "rx_unicast_frame_err")},
+	{STAT_INFO(0x1d2, "rx_multicast_frame_ok")},
+	{STAT_INFO(0x1d4, "rx_multicast_frame_err")},
+	{STAT_INFO(0x1d6, "rx_broadcast_frame_ok")},
+	{STAT_INFO(0x1d8, "rx_broadcast_frame_err")},
+	{STAT_INFO(0x1da, "rx_ether_octets")},
+	{STAT_INFO(0x1dc, "rx_ether_pkts")},
+	{STAT_INFO(0x1de, "rx_ether_undersize_pkts")},
+	{STAT_INFO(0x1e0, "rx_ether_oversize_pkts")},
+	{STAT_INFO(0x1e2, "rx_ether_pkts_64_octets")},
+	{STAT_INFO(0x1e4, "rx_ether_pkts_65_127_octets")},
+	{STAT_INFO(0x1e6, "rx_ether_pkts_128_255_octets")},
+	{STAT_INFO(0x1e8, "rx_ether_pkts_256_511_octets")},
+	{STAT_INFO(0x1ea, "rx_ether_pkts_512_1023_octets")},
+	{STAT_INFO(0x1ec, "rx_ether_pkts_1024_1518_octets")},
+	{STAT_INFO(0x1ee, "rx_ether_pkts_1519_x_octets")},
+	{STAT_INFO(0x1f0, "rx_ether_fragments")},
+	{STAT_INFO(0x1f2, "rx_ether_jabbers")},
+	{STAT_INFO(0x1f4, "rx_ether_crc_err")},
+	{STAT_INFO(0x1f6, "rx_unicast_mac_ctrl_frames")},
+	{STAT_INFO(0x1f8, "rx_multicast_mac_ctrl_frames")},
+	{STAT_INFO(0x1fa, "rx_broadcast_mac_ctrl_frames")},
+	{STAT_INFO(0x1fc, "rx_pfc_mac_ctrl_frames")},
+};
+
+static void edev10g_get_strings(struct net_device *netdev, u32 stringset, u8 *s)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	unsigned int i;
+
+	if (stringset != ETH_SS_STATS || edev->lw_mac)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(stats_10g); i++, s += ETH_GSTRING_LEN)
+		memcpy(s, stats_10g[i].string, ETH_GSTRING_LEN);
+}
+
+static int edev10g_get_sset_count(struct net_device *netdev, int stringset)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+
+	if (stringset != ETH_SS_STATS || edev->lw_mac)
+		return -EOPNOTSUPP;
+
+	return (int)ARRAY_SIZE(stats_10g);
+}
+
+static void edev10g_get_stats(struct net_device *netdev,
+			      struct ethtool_stats *stats, u64 *data)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	unsigned int i;
+
+	if (edev->lw_mac || !netif_running(netdev))
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(stats_10g); i++)
+		data[i] = read_mac_stats(edev->mac, stats_10g[i].addr);
+}
+
+static int edev10g_get_link_ksettings(struct net_device *netdev,
+				      struct ethtool_link_ksettings *cmd)
+{
+	if (!netdev->phydev)
+		return -ENODEV;
+
+	phy_ethtool_ksettings_get(netdev->phydev, cmd);
+
+	return 0;
+}
+
+static void edev10g_get_pauseparam(struct net_device *netdev,
+				   struct ethtool_pauseparam *pause)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	u32 data;
+	int ret;
+
+	pause->autoneg = 0;
+	pause->rx_pause = 0;
+
+	ret = eth_com_read_reg(edev->mac, TX_PAUSE_FRAME_EN, &data);
+	if (ret) {
+		pause->tx_pause = 0;
+		return;
+	}
+
+	pause->tx_pause = (data & TX_PAUSE_FRAME_EN_CFG) ? 0x1 : 0;
+}
+
+static int edev10g_set_pauseparam(struct net_device *netdev,
+				  struct ethtool_pauseparam *pause)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	struct eth_com *mac = edev->mac;
+	bool enable = pause->tx_pause;
+	u32 data;
+	int ret;
+
+	if (pause->autoneg || pause->rx_pause)
+		return -EOPNOTSUPP;
+
+	if (netif_running(netdev)) {
+		netdev_err(netdev, "must be stopped to change pause param\n");
+		return -EBUSY;
+	}
+
+	ret = eth_com_read_reg(mac, TX_PAUSE_FRAME_EN, &data);
+	if (ret)
+		return ret;
+
+	if (enable)
+		data |= TX_PAUSE_FRAME_EN_CFG;
+	else
+		data &= ~TX_PAUSE_FRAME_EN_CFG;
+
+	return eth_com_write_reg(mac, TX_PAUSE_FRAME_EN, data);
+}
+
+static const struct ethtool_ops edev10g_ethtool_ops = {
+	.get_link = ethtool_op_get_link,
+	.get_strings = edev10g_get_strings,
+	.get_sset_count = edev10g_get_sset_count,
+	.get_ethtool_stats = edev10g_get_stats,
+	.get_link_ksettings = edev10g_get_link_ksettings,
+	.get_pauseparam = edev10g_get_pauseparam,
+	.set_pauseparam = edev10g_set_pauseparam,
+};
+
+/* netdev ops */
+static int edev10g_netdev_open(struct net_device *netdev)
+{
+	struct n3000_net_priv *priv = netdev_priv(netdev);
+	struct eth_dev *edev = priv->edev;
+	int ret;
+
+	ret = edev10g_reset(edev, false);
+	if (ret)
+		return ret;
+
+	if (netdev->phydev)
+		phy_start(netdev->phydev);
+
+	return 0;
+}
+
+static int edev10g_netdev_stop(struct net_device *netdev)
+{
+	struct n3000_net_priv *priv = netdev_priv(netdev);
+	struct eth_dev *edev = priv->edev;
+	int ret;
+
+	ret = edev10g_reset(edev, true);
+	if (ret)
+		return ret;
+
+	if (netdev->phydev)
+		phy_stop(netdev->phydev);
+
+	return 0;
+}
+
+static int edev10g_mtu_init(struct net_device *netdev)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	struct eth_com *mac = edev->mac;
+	u32 tx = 0, rx = 0, mtu;
+	int ret;
+
+	ret = eth_com_read_reg(mac, TX_FRAME_MAXLENGTH, &tx);
+	if (ret)
+		return ret;
+
+	ret = eth_com_read_reg(mac, RX_FRAME_MAXLENGTH, &rx);
+	if (ret)
+		return ret;
+
+	mtu = min(min(tx, rx), netdev->max_mtu);
+
+	ret = eth_com_write_reg(mac, TX_FRAME_MAXLENGTH, rx);
+	if (ret)
+		return ret;
+
+	ret = eth_com_write_reg(mac, RX_FRAME_MAXLENGTH, tx);
+	if (ret)
+		return ret;
+
+	netdev->mtu = mtu;
+
+	return 0;
+}
+
+static int edev10g_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	struct eth_com *mac = edev->mac;
+	int ret;
+
+	if (netif_running(netdev)) {
+		netdev_err(netdev, "must be stopped to change mtu\n");
+		return -EBUSY;
+	}
+
+	ret = eth_com_write_reg(mac, TX_FRAME_MAXLENGTH, new_mtu);
+	if (ret)
+		return ret;
+
+	ret = eth_com_write_reg(mac, RX_FRAME_MAXLENGTH, new_mtu);
+	if (ret)
+		return ret;
+
+	netdev->mtu = new_mtu;
+
+	return 0;
+}
+
+static int edev10g_set_loopback(struct net_device *netdev, bool en)
+{
+	struct eth_dev *edev = net_device_to_eth_dev(netdev);
+	struct eth_com *phy = edev->phy;
+	u32 data;
+	int ret;
+
+	ret = eth_com_read_reg(phy, PHY_LOOPBACK, &data);
+	if (ret)
+		return ret;
+
+	if (en)
+		data |= PHY_LOOPBACK_SERIAL;
+	else
+		data &= ~PHY_LOOPBACK_SERIAL;
+
+	return eth_com_write_reg(phy, PHY_LOOPBACK, data);
+}
+
+static int edev10g_set_features(struct net_device *netdev,
+				netdev_features_t features)
+{
+	netdev_features_t changed = netdev->features ^ features;
+
+	if (changed & NETIF_F_LOOPBACK)
+		return edev10g_set_loopback(netdev,
+					    !!(features & NETIF_F_LOOPBACK));
+
+	return 0;
+}
+
+static const struct net_device_ops edev10g_netdev_ops = {
+	.ndo_open = edev10g_netdev_open,
+	.ndo_stop = edev10g_netdev_stop,
+	.ndo_change_mtu = edev10g_change_mtu,
+	.ndo_set_features = edev10g_set_features,
+	.ndo_start_xmit = n3000_dummy_netdev_xmit,
+};
+
+static void edev10g_adjust_link(struct net_device *netdev)
+{}
+
+static int edev10g_netdev_init(struct net_device *netdev)
+{
+	int ret;
+
+	ret = edev10g_mtu_init(netdev);
+	if (ret)
+		return ret;
+
+	return edev10g_set_loopback(netdev,
+				   !!(netdev->features & NETIF_F_LOOPBACK));
+}
+
+static int dfl_eth_dev_10g_init(struct eth_dev *edev)
+{
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+	struct device *dev = edev->dev;
+	struct phy_device *phydev;
+	struct net_device *netdev;
+	int ret;
+
+	netdev = n3000_netdev_create(edev);
+	if (!netdev)
+		return -ENOMEM;
+
+	netdev->hw_features |= NETIF_F_LOOPBACK;
+	netdev->netdev_ops = &edev10g_netdev_ops;
+	netdev->ethtool_ops = &edev10g_ethtool_ops;
+
+	phydev = phy_connect(netdev, edev->phy_id, edev10g_adjust_link,
+			     PHY_INTERFACE_MODE_NA);
+	if (IS_ERR(phydev)) {
+		dev_err(dev, "PHY connection failed\n");
+		ret = PTR_ERR(phydev);
+		goto err_free_netdev;
+	}
+
+	linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, mask);
+	linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, mask);
+	linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, mask);
+	linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, mask);
+	linkmode_and(phydev->supported, phydev->supported, mask);
+	linkmode_copy(phydev->advertising, phydev->supported);
+
+	phy_attached_info(phydev);
+
+	ret = edev10g_netdev_init(netdev);
+	if (ret) {
+		dev_err(dev, "fail to init netdev %s\n", netdev->name);
+		goto err_phy_disconnect;
+	}
+
+	netdev->sysfs_groups[0] = &edev10g_attr_group;
+
+	netif_carrier_off(netdev);
+	ret = register_netdev(netdev);
+	if (ret) {
+		dev_err(dev, "fail to register netdev %s\n", netdev->name);
+		goto err_phy_disconnect;
+	}
+
+	edev->netdev = netdev;
+
+	return 0;
+
+err_phy_disconnect:
+	if (netdev->phydev)
+		phy_disconnect(phydev);
+err_free_netdev:
+	free_netdev(netdev);
+
+	return ret;
+}
+
+static void dfl_eth_dev_10g_remove(struct eth_dev *edev)
+{
+	struct net_device *netdev = edev->netdev;
+
+	if (netdev->phydev)
+		phy_disconnect(netdev->phydev);
+
+	unregister_netdev(netdev);
+}
+
+struct eth_dev_ops dfl_eth_dev_10g_ops = {
+	.lineside_init = dfl_eth_dev_10g_init,
+	.lineside_remove = dfl_eth_dev_10g_remove,
+	.reset = edev10g_reset,
+};
diff --git a/drivers/net/ethernet/intel/dfl-eth-group-main.c b/drivers/net/ethernet/intel/dfl-eth-group-main.c
index a29b8b1..89b4450 100644
--- a/drivers/net/ethernet/intel/dfl-eth-group-main.c
+++ b/drivers/net/ethernet/intel/dfl-eth-group-main.c
@@ -481,6 +481,9 @@ static int eth_group_setup(struct dfl_eth_group *egroup)
 		return ret;
 
 	switch (egroup->speed) {
+	case 10:
+		egroup->ops = &dfl_eth_dev_10g_ops;
+		break;
 	case 25:
 		egroup->ops = &dfl_eth_dev_25g_ops;
 		break;
diff --git a/drivers/net/ethernet/intel/dfl-eth-group.h b/drivers/net/ethernet/intel/dfl-eth-group.h
index 2e90f86..63f49a0 100644
--- a/drivers/net/ethernet/intel/dfl-eth-group.h
+++ b/drivers/net/ethernet/intel/dfl-eth-group.h
@@ -77,6 +77,7 @@ struct net_device *n3000_netdev_create(struct eth_dev *edev);
 netdev_tx_t n3000_dummy_netdev_xmit(struct sk_buff *skb,
 				    struct net_device *dev);
 
+extern struct eth_dev_ops dfl_eth_dev_10g_ops;
 extern struct eth_dev_ops dfl_eth_dev_25g_ops;
 extern struct eth_dev_ops dfl_eth_dev_40g_ops;
 
-- 
2.7.4

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