i40e_ethtool.c 93.5 KB
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/*******************************************************************************
 *
 * Intel Ethernet Controller XL710 Family Linux Driver
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 * Copyright(c) 2013 - 2016 Intel Corporation.
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 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
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 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 ******************************************************************************/

/* ethtool support for i40e */

#include "i40e.h"
#include "i40e_diag.h"

struct i40e_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define I40E_STAT(_type, _name, _stat) { \
	.stat_string = _name, \
	.sizeof_stat = FIELD_SIZEOF(_type, _stat), \
	.stat_offset = offsetof(_type, _stat) \
}
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#define I40E_NETDEV_STAT(_net_stat) \
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		I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
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#define I40E_PF_STAT(_name, _stat) \
		I40E_STAT(struct i40e_pf, _name, _stat)
#define I40E_VSI_STAT(_name, _stat) \
		I40E_STAT(struct i40e_vsi, _name, _stat)
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#define I40E_VEB_STAT(_name, _stat) \
		I40E_STAT(struct i40e_veb, _name, _stat)
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static const struct i40e_stats i40e_gstrings_net_stats[] = {
	I40E_NETDEV_STAT(rx_packets),
	I40E_NETDEV_STAT(tx_packets),
	I40E_NETDEV_STAT(rx_bytes),
	I40E_NETDEV_STAT(tx_bytes),
	I40E_NETDEV_STAT(rx_errors),
	I40E_NETDEV_STAT(tx_errors),
	I40E_NETDEV_STAT(rx_dropped),
	I40E_NETDEV_STAT(tx_dropped),
	I40E_NETDEV_STAT(collisions),
	I40E_NETDEV_STAT(rx_length_errors),
	I40E_NETDEV_STAT(rx_crc_errors),
};

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static const struct i40e_stats i40e_gstrings_veb_stats[] = {
	I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
	I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
	I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
	I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
	I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
	I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
	I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
	I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
	I40E_VEB_STAT("rx_discards", stats.rx_discards),
	I40E_VEB_STAT("tx_discards", stats.tx_discards),
	I40E_VEB_STAT("tx_errors", stats.tx_errors),
	I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
};

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static const struct i40e_stats i40e_gstrings_misc_stats[] = {
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	I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
	I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
	I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
	I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
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	I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
	I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
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	I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
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	I40E_VSI_STAT("tx_linearize", tx_linearize),
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	I40E_VSI_STAT("tx_force_wb", tx_force_wb),
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	I40E_VSI_STAT("tx_lost_interrupt", tx_lost_interrupt),
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	I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
	I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
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};

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/* These PF_STATs might look like duplicates of some NETDEV_STATs,
 * but they are separate.  This device supports Virtualization, and
 * as such might have several netdevs supporting VMDq and FCoE going
 * through a single port.  The NETDEV_STATs are for individual netdevs
 * seen at the top of the stack, and the PF_STATs are for the physical
 * function at the bottom of the stack hosting those netdevs.
 *
 * The PF_STATs are appended to the netdev stats only when ethtool -S
 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 */
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static const struct i40e_stats i40e_gstrings_stats[] = {
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	I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
	I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
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	I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
	I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
	I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
	I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
	I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
	I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
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	I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
	I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
	I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
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	I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
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	I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
	I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
	I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
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	I40E_PF_STAT("tx_timeout", tx_timeout_count),
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	I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
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	I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
	I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
	I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
	I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
	I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
	I40E_PF_STAT("rx_size_64", stats.rx_size_64),
	I40E_PF_STAT("rx_size_127", stats.rx_size_127),
	I40E_PF_STAT("rx_size_255", stats.rx_size_255),
	I40E_PF_STAT("rx_size_511", stats.rx_size_511),
	I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
	I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
	I40E_PF_STAT("rx_size_big", stats.rx_size_big),
	I40E_PF_STAT("tx_size_64", stats.tx_size_64),
	I40E_PF_STAT("tx_size_127", stats.tx_size_127),
	I40E_PF_STAT("tx_size_255", stats.tx_size_255),
	I40E_PF_STAT("tx_size_511", stats.tx_size_511),
	I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
	I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
	I40E_PF_STAT("tx_size_big", stats.tx_size_big),
	I40E_PF_STAT("rx_undersize", stats.rx_undersize),
	I40E_PF_STAT("rx_fragments", stats.rx_fragments),
	I40E_PF_STAT("rx_oversize", stats.rx_oversize),
	I40E_PF_STAT("rx_jabber", stats.rx_jabber),
	I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
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	I40E_PF_STAT("arq_overflows", arq_overflows),
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	I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
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	I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
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	I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
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	I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
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	I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
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	I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
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	I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
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	/* LPI stats */
	I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
	I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
	I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
	I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
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};

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#ifdef I40E_FCOE
static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
	I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
	I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
	I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
	I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
	I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
	I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
	I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
	I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
};

#endif /* I40E_FCOE */
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#define I40E_QUEUE_STATS_LEN(n) \
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	(((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
	    * 2 /* Tx and Rx together */                                     \
	    * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
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#define I40E_GLOBAL_STATS_LEN	ARRAY_SIZE(i40e_gstrings_stats)
#define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
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#define I40E_MISC_STATS_LEN	ARRAY_SIZE(i40e_gstrings_misc_stats)
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#ifdef I40E_FCOE
#define I40E_FCOE_STATS_LEN	ARRAY_SIZE(i40e_gstrings_fcoe_stats)
#define I40E_VSI_STATS_LEN(n)	(I40E_NETDEV_STATS_LEN + \
				 I40E_FCOE_STATS_LEN + \
				 I40E_MISC_STATS_LEN + \
				 I40E_QUEUE_STATS_LEN((n)))
#else
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#define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
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				 I40E_MISC_STATS_LEN + \
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				 I40E_QUEUE_STATS_LEN((n)))
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#endif /* I40E_FCOE */
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#define I40E_PFC_STATS_LEN ( \
		(FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
		 / sizeof(u64))
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#define I40E_VEB_TC_STATS_LEN ( \
		(FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
		 / sizeof(u64))
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#define I40E_VEB_STATS_LEN	ARRAY_SIZE(i40e_gstrings_veb_stats)
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#define I40E_VEB_STATS_TOTAL	(I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
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#define I40E_PF_STATS_LEN(n)	(I40E_GLOBAL_STATS_LEN + \
				 I40E_PFC_STATS_LEN + \
				 I40E_VSI_STATS_LEN((n)))

enum i40e_ethtool_test_id {
	I40E_ETH_TEST_REG = 0,
	I40E_ETH_TEST_EEPROM,
	I40E_ETH_TEST_INTR,
	I40E_ETH_TEST_LINK,
};

static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)",
	"Eeprom test    (offline)",
	"Interrupt test (offline)",
	"Link test   (on/offline)"
};

#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)

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static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
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	"MFP",
	"LinkPolling",
	"flow-director-atr",
	"veb-stats",
	"hw-atr-eviction",
};

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#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
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/* Private flags with a global effect, restricted to PF 0 */
static const char i40e_gl_priv_flags_strings[][ETH_GSTRING_LEN] = {
	"vf-true-promisc-support",
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};

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#define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_priv_flags_strings)
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/**
 * i40e_partition_setting_complaint - generic complaint for MFP restriction
 * @pf: the PF struct
 **/
static void i40e_partition_setting_complaint(struct i40e_pf *pf)
{
	dev_info(&pf->pdev->dev,
		 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
}

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/**
 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 * @phy_types: PHY types to convert
 * @supported: pointer to the ethtool supported variable to fill in
 * @advertising: pointer to the ethtool advertising variable to fill in
 *
 **/
static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
				     u32 *advertising)
{
	enum i40e_aq_capabilities_phy_type phy_types = pf->hw.phy.phy_types;
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	struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
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	*supported = 0x0;
	*advertising = 0x0;

	if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_1000baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			*advertising |= ADVERTISED_1000baseT_Full;
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		if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
			*supported |= SUPPORTED_100baseT_Full;
			*advertising |= ADVERTISED_100baseT_Full;
		}
	}
	if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
	    phy_types & I40E_CAP_PHY_TYPE_XFI ||
	    phy_types & I40E_CAP_PHY_TYPE_SFI ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
		*supported |= SUPPORTED_10000baseT_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_10000baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			*advertising |= ADVERTISED_10000baseT_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
	    phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
	    phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
		*supported |= SUPPORTED_40000baseCR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_40000baseCR4_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
			*advertising |= ADVERTISED_40000baseCR4_Full;
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	}
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	if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
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		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_100baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
			*advertising |= ADVERTISED_100baseT_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
	    phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
	    phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
	    phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_1000baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			*advertising |= ADVERTISED_1000baseT_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
		*supported |= SUPPORTED_40000baseSR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
		*supported |= SUPPORTED_40000baseLR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
		*supported |= SUPPORTED_40000baseKR4_Full |
			      SUPPORTED_Autoneg;
		*advertising |= ADVERTISED_40000baseKR4_Full |
				ADVERTISED_Autoneg;
	}
	if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
		*supported |= SUPPORTED_20000baseKR2_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
			*advertising |= ADVERTISED_20000baseKR2_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
		*supported |= SUPPORTED_10000baseKR_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			*advertising |= ADVERTISED_10000baseKR_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
		*supported |= SUPPORTED_10000baseKX4_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			*advertising |= ADVERTISED_10000baseKX4_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
		*supported |= SUPPORTED_1000baseKX_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			*advertising |= ADVERTISED_1000baseKX_Full;
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	}
}

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/**
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 * i40e_get_settings_link_up - Get the Link settings for when link is up
 * @hw: hw structure
 * @ecmd: ethtool command to fill in
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 * @netdev: network interface device structure
 *
 **/
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static void i40e_get_settings_link_up(struct i40e_hw *hw,
				      struct ethtool_cmd *ecmd,
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				      struct net_device *netdev,
				      struct i40e_pf *pf)
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{
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
	u32 link_speed = hw_link_info->link_speed;
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	u32 e_advertising = 0x0;
	u32 e_supported = 0x0;
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	/* Initialize supported and advertised settings based on phy settings */
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	switch (hw_link_info->phy_type) {
	case I40E_PHY_TYPE_40GBASE_CR4:
	case I40E_PHY_TYPE_40GBASE_CR4_CU:
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		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_40000baseCR4_Full;
		ecmd->advertising = ADVERTISED_Autoneg |
				    ADVERTISED_40000baseCR4_Full;
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		break;
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	case I40E_PHY_TYPE_XLAUI:
	case I40E_PHY_TYPE_XLPPI:
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	case I40E_PHY_TYPE_40GBASE_AOC:
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		ecmd->supported = SUPPORTED_40000baseCR4_Full;
		break;
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	case I40E_PHY_TYPE_40GBASE_SR4:
		ecmd->supported = SUPPORTED_40000baseSR4_Full;
		break;
	case I40E_PHY_TYPE_40GBASE_LR4:
		ecmd->supported = SUPPORTED_40000baseLR4_Full;
		break;
407 408
	case I40E_PHY_TYPE_10GBASE_SR:
	case I40E_PHY_TYPE_10GBASE_LR:
409 410
	case I40E_PHY_TYPE_1000BASE_SX:
	case I40E_PHY_TYPE_1000BASE_LX:
411 412 413 414 415 416 417 418 419 420
		ecmd->supported = SUPPORTED_10000baseT_Full;
		if (hw_link_info->module_type[2] &
		    I40E_MODULE_TYPE_1000BASE_SX ||
		    hw_link_info->module_type[2] &
		    I40E_MODULE_TYPE_1000BASE_LX) {
			ecmd->supported |= SUPPORTED_1000baseT_Full;
			if (hw_link_info->requested_speeds &
			    I40E_LINK_SPEED_1GB)
				ecmd->advertising |= ADVERTISED_1000baseT_Full;
		}
421 422 423
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			ecmd->advertising |= ADVERTISED_10000baseT_Full;
		break;
424
	case I40E_PHY_TYPE_10GBASE_T:
425
	case I40E_PHY_TYPE_1000BASE_T:
426
	case I40E_PHY_TYPE_100BASE_TX:
427
		ecmd->supported = SUPPORTED_Autoneg |
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				  SUPPORTED_10000baseT_Full |
429 430
				  SUPPORTED_1000baseT_Full |
				  SUPPORTED_100baseT_Full;
431 432 433 434 435
		ecmd->advertising = ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			ecmd->advertising |= ADVERTISED_10000baseT_Full;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			ecmd->advertising |= ADVERTISED_1000baseT_Full;
436 437
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
			ecmd->advertising |= ADVERTISED_100baseT_Full;
438
		break;
439 440 441 442 443 444
	case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_1000baseT_Full;
		ecmd->advertising = ADVERTISED_Autoneg |
				    ADVERTISED_1000baseT_Full;
		break;
445 446 447 448
	case I40E_PHY_TYPE_10GBASE_CR1_CU:
	case I40E_PHY_TYPE_10GBASE_CR1:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_10000baseT_Full;
449
		ecmd->advertising = ADVERTISED_Autoneg |
450
				    ADVERTISED_10000baseT_Full;
451 452 453 454 455
		break;
	case I40E_PHY_TYPE_XAUI:
	case I40E_PHY_TYPE_XFI:
	case I40E_PHY_TYPE_SFI:
	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
456
	case I40E_PHY_TYPE_10GBASE_AOC:
457
		ecmd->supported = SUPPORTED_10000baseT_Full;
458
		ecmd->advertising = SUPPORTED_10000baseT_Full;
459 460 461
		break;
	case I40E_PHY_TYPE_SGMII:
		ecmd->supported = SUPPORTED_Autoneg |
462
				  SUPPORTED_1000baseT_Full;
463 464
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			ecmd->advertising |= ADVERTISED_1000baseT_Full;
465
		if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
466 467 468 469 470
			ecmd->supported |= SUPPORTED_100baseT_Full;
			if (hw_link_info->requested_speeds &
			    I40E_LINK_SPEED_100MB)
				ecmd->advertising |= ADVERTISED_100baseT_Full;
		}
471
		break;
472 473 474 475 476
	case I40E_PHY_TYPE_40GBASE_KR4:
	case I40E_PHY_TYPE_20GBASE_KR2:
	case I40E_PHY_TYPE_10GBASE_KR:
	case I40E_PHY_TYPE_10GBASE_KX4:
	case I40E_PHY_TYPE_1000BASE_KX:
477 478 479 480 481 482 483 484 485 486 487 488
		ecmd->supported |= SUPPORTED_40000baseKR4_Full |
				   SUPPORTED_20000baseKR2_Full |
				   SUPPORTED_10000baseKR_Full |
				   SUPPORTED_10000baseKX4_Full |
				   SUPPORTED_1000baseKX_Full |
				   SUPPORTED_Autoneg;
		ecmd->advertising |= ADVERTISED_40000baseKR4_Full |
				     ADVERTISED_20000baseKR2_Full |
				     ADVERTISED_10000baseKR_Full |
				     ADVERTISED_10000baseKX4_Full |
				     ADVERTISED_1000baseKX_Full |
				     ADVERTISED_Autoneg;
489
		break;
490 491
	default:
		/* if we got here and link is up something bad is afoot */
492 493
		netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
			    hw_link_info->phy_type);
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	}

496 497 498 499 500 501 502 503 504 505
	/* Now that we've worked out everything that could be supported by the
	 * current PHY type, get what is supported by the NVM and them to
	 * get what is truly supported
	 */
	i40e_phy_type_to_ethtool(pf, &e_supported,
				 &e_advertising);

	ecmd->supported = ecmd->supported & e_supported;
	ecmd->advertising = ecmd->advertising & e_advertising;

506 507 508
	/* Set speed and duplex */
	switch (link_speed) {
	case I40E_LINK_SPEED_40GB:
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		ethtool_cmd_speed_set(ecmd, SPEED_40000);
510
		break;
511 512 513
	case I40E_LINK_SPEED_20GB:
		ethtool_cmd_speed_set(ecmd, SPEED_20000);
		break;
514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
	case I40E_LINK_SPEED_10GB:
		ethtool_cmd_speed_set(ecmd, SPEED_10000);
		break;
	case I40E_LINK_SPEED_1GB:
		ethtool_cmd_speed_set(ecmd, SPEED_1000);
		break;
	case I40E_LINK_SPEED_100MB:
		ethtool_cmd_speed_set(ecmd, SPEED_100);
		break;
	default:
		break;
	}
	ecmd->duplex = DUPLEX_FULL;
}

/**
 * i40e_get_settings_link_down - Get the Link settings for when link is down
 * @hw: hw structure
 * @ecmd: ethtool command to fill in
 *
 * Reports link settings that can be determined when link is down
 **/
static void i40e_get_settings_link_down(struct i40e_hw *hw,
537 538
					struct ethtool_cmd *ecmd,
					struct i40e_pf *pf)
539 540
{
	/* link is down and the driver needs to fall back on
541
	 * supported phy types to figure out what info to display
542
	 */
543 544
	i40e_phy_type_to_ethtool(pf, &ecmd->supported,
				 &ecmd->advertising);
545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567

	/* With no link speed and duplex are unknown */
	ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
	ecmd->duplex = DUPLEX_UNKNOWN;
}

/**
 * i40e_get_settings - Get Link Speed and Duplex settings
 * @netdev: network interface device structure
 * @ecmd: ethtool command
 *
 * Reports speed/duplex settings based on media_type
 **/
static int i40e_get_settings(struct net_device *netdev,
			     struct ethtool_cmd *ecmd)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;

	if (link_up)
568
		i40e_get_settings_link_up(hw, ecmd, netdev, pf);
569
	else
570
		i40e_get_settings_link_down(hw, ecmd, pf);
571 572 573

	/* Now set the settings that don't rely on link being up/down */
	/* Set autoneg settings */
574 575
	ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
			  AUTONEG_ENABLE : AUTONEG_DISABLE);
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577 578
	switch (hw->phy.media_type) {
	case I40E_MEDIA_TYPE_BACKPLANE:
579 580 581 582
		ecmd->supported |= SUPPORTED_Autoneg |
				   SUPPORTED_Backplane;
		ecmd->advertising |= ADVERTISED_Autoneg |
				     ADVERTISED_Backplane;
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		ecmd->port = PORT_NONE;
584 585
		break;
	case I40E_MEDIA_TYPE_BASET:
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		ecmd->supported |= SUPPORTED_TP;
		ecmd->advertising |= ADVERTISED_TP;
		ecmd->port = PORT_TP;
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		break;
	case I40E_MEDIA_TYPE_DA:
	case I40E_MEDIA_TYPE_CX4:
592 593 594
		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->advertising |= ADVERTISED_FIBRE;
		ecmd->port = PORT_DA;
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		break;
	case I40E_MEDIA_TYPE_FIBER:
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		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->port = PORT_FIBRE;
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		break;
	case I40E_MEDIA_TYPE_UNKNOWN:
	default:
		ecmd->port = PORT_OTHER;
		break;
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	}

606
	/* Set transceiver */
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	ecmd->transceiver = XCVR_EXTERNAL;

609
	/* Set flow control settings */
610 611
	ecmd->supported |= SUPPORTED_Pause;

612
	switch (hw->fc.requested_mode) {
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	case I40E_FC_FULL:
		ecmd->advertising |= ADVERTISED_Pause;
		break;
	case I40E_FC_TX_PAUSE:
		ecmd->advertising |= ADVERTISED_Asym_Pause;
		break;
	case I40E_FC_RX_PAUSE:
		ecmd->advertising |= (ADVERTISED_Pause |
				      ADVERTISED_Asym_Pause);
		break;
	default:
		ecmd->advertising &= ~(ADVERTISED_Pause |
				       ADVERTISED_Asym_Pause);
		break;
	}

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	return 0;
}

632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654
/**
 * i40e_set_settings - Set Speed and Duplex
 * @netdev: network interface device structure
 * @ecmd: ethtool command
 *
 * Set speed/duplex per media_types advertised/forced
 **/
static int i40e_set_settings(struct net_device *netdev,
			     struct ethtool_cmd *ecmd)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_aq_get_phy_abilities_resp abilities;
	struct i40e_aq_set_phy_config config;
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_hw *hw = &pf->hw;
	struct ethtool_cmd safe_ecmd;
	i40e_status status = 0;
	bool change = false;
	int err = 0;
	u8 autoneg;
	u32 advertise;

655 656 657 658 659 660 661 662
	/* Changing port settings is not supported if this isn't the
	 * port's controlling PF
	 */
	if (hw->partition_id != 1) {
		i40e_partition_setting_complaint(pf);
		return -EOPNOTSUPP;
	}

663 664 665 666 667
	if (vsi != pf->vsi[pf->lan_vsi])
		return -EOPNOTSUPP;

	if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
	    hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
668
	    hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
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	    hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
670
	    hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
671 672
		return -EOPNOTSUPP;

673 674 675 676 677 678 679 680
	if (hw->device_id == I40E_DEV_ID_KX_B ||
	    hw->device_id == I40E_DEV_ID_KX_C ||
	    hw->device_id == I40E_DEV_ID_20G_KR2 ||
	    hw->device_id == I40E_DEV_ID_20G_KR2_A) {
		netdev_info(netdev, "Changing settings is not supported on backplane.\n");
		return -EOPNOTSUPP;
	}

681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708
	/* get our own copy of the bits to check against */
	memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
	i40e_get_settings(netdev, &safe_ecmd);

	/* save autoneg and speed out of ecmd */
	autoneg = ecmd->autoneg;
	advertise = ecmd->advertising;

	/* set autoneg and speed back to what they currently are */
	ecmd->autoneg = safe_ecmd.autoneg;
	ecmd->advertising = safe_ecmd.advertising;

	ecmd->cmd = safe_ecmd.cmd;
	/* If ecmd and safe_ecmd are not the same now, then they are
	 * trying to set something that we do not support
	 */
	if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
		return -EOPNOTSUPP;

	while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
		usleep_range(1000, 2000);

	/* Get the current phy config */
	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
					      NULL);
	if (status)
		return -EAGAIN;

709
	/* Copy abilities to config in case autoneg is not
710 711 712 713 714 715 716 717 718
	 * set below
	 */
	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
	config.abilities = abilities.abilities;

	/* Check autoneg */
	if (autoneg == AUTONEG_ENABLE) {
		/* If autoneg was not already enabled */
		if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
719 720 721 722 723 724
			/* If autoneg is not supported, return error */
			if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
				netdev_info(netdev, "Autoneg not supported on this phy\n");
				return -EINVAL;
			}
			/* Autoneg is allowed to change */
725 726 727 728 729 730 731
			config.abilities = abilities.abilities |
					   I40E_AQ_PHY_ENABLE_AN;
			change = true;
		}
	} else {
		/* If autoneg is currently enabled */
		if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
732 733 734 735 736 737 738 739 740 741
			/* If autoneg is supported 10GBASE_T is the only PHY
			 * that can disable it, so otherwise return error
			 */
			if (safe_ecmd.supported & SUPPORTED_Autoneg &&
			    hw->phy.link_info.phy_type !=
			    I40E_PHY_TYPE_10GBASE_T) {
				netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
				return -EINVAL;
			}
			/* Autoneg is allowed to change */
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			config.abilities = abilities.abilities &
743 744 745 746 747 748 749 750 751
					   ~I40E_AQ_PHY_ENABLE_AN;
			change = true;
		}
	}

	if (advertise & ~safe_ecmd.supported)
		return -EINVAL;

	if (advertise & ADVERTISED_100baseT_Full)
752
		config.link_speed |= I40E_LINK_SPEED_100MB;
753 754
	if (advertise & ADVERTISED_1000baseT_Full ||
	    advertise & ADVERTISED_1000baseKX_Full)
755
		config.link_speed |= I40E_LINK_SPEED_1GB;
756 757 758
	if (advertise & ADVERTISED_10000baseT_Full ||
	    advertise & ADVERTISED_10000baseKX4_Full ||
	    advertise & ADVERTISED_10000baseKR_Full)
759
		config.link_speed |= I40E_LINK_SPEED_10GB;
760 761
	if (advertise & ADVERTISED_20000baseKR2_Full)
		config.link_speed |= I40E_LINK_SPEED_20GB;
762 763 764 765
	if (advertise & ADVERTISED_40000baseKR4_Full ||
	    advertise & ADVERTISED_40000baseCR4_Full ||
	    advertise & ADVERTISED_40000baseSR4_Full ||
	    advertise & ADVERTISED_40000baseLR4_Full)
766
		config.link_speed |= I40E_LINK_SPEED_40GB;
767

768 769 770 771 772 773 774
	/* If speed didn't get set, set it to what it currently is.
	 * This is needed because if advertise is 0 (as it is when autoneg
	 * is disabled) then speed won't get set.
	 */
	if (!config.link_speed)
		config.link_speed = abilities.link_speed;

775
	if (change || (abilities.link_speed != config.link_speed)) {
776 777 778 779 780 781
		/* copy over the rest of the abilities */
		config.phy_type = abilities.phy_type;
		config.eee_capability = abilities.eee_capability;
		config.eeer = abilities.eeer_val;
		config.low_power_ctrl = abilities.d3_lpan;

782 783
		/* save the requested speeds */
		hw->phy.link_info.requested_speeds = config.link_speed;
784 785 786 787 788 789 790
		/* set link and auto negotiation so changes take effect */
		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
		/* If link is up put link down */
		if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
			/* Tell the OS link is going down, the link will go
			 * back up when fw says it is ready asynchronously
			 */
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			i40e_print_link_message(vsi, false);
792 793 794
			netif_carrier_off(netdev);
			netif_tx_stop_all_queues(netdev);
		}
795 796 797 798

		/* make the aq call */
		status = i40e_aq_set_phy_config(hw, &config, NULL);
		if (status) {
799 800 801
			netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
				    i40e_stat_str(hw, status),
				    i40e_aq_str(hw, hw->aq.asq_last_status));
802 803 804
			return -EAGAIN;
		}

805
		status = i40e_update_link_info(hw);
806
		if (status)
807 808 809
			netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
				   i40e_stat_str(hw, status),
				   i40e_aq_str(hw, hw->aq.asq_last_status));
810 811 812 813 814 815 816 817

	} else {
		netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
	}

	return err;
}

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static int i40e_nway_reset(struct net_device *netdev)
{
	/* restart autonegotiation */
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
	i40e_status ret = 0;

	ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
	if (ret) {
829 830 831
		netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
			    i40e_stat_str(hw, ret),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
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		return -EIO;
	}

	return 0;
}

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/**
 * i40e_get_pauseparam -  Get Flow Control status
 * Return tx/rx-pause status
 **/
static void i40e_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *pause)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
849
	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
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	pause->autoneg =
		((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
		  AUTONEG_ENABLE : AUTONEG_DISABLE);

855 856 857 858 859 860 861
	/* PFC enabled so report LFC as off */
	if (dcbx_cfg->pfc.pfcenable) {
		pause->rx_pause = 0;
		pause->tx_pause = 0;
		return;
	}

862
	if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
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Jesse Brandeburg 已提交
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		pause->rx_pause = 1;
864
	} else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
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		pause->tx_pause = 1;
866 867 868 869
	} else if (hw->fc.current_mode == I40E_FC_FULL) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
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}

872 873 874 875 876 877 878 879 880 881 882 883 884
/**
 * i40e_set_pauseparam - Set Flow Control parameter
 * @netdev: network interface device structure
 * @pause: return tx/rx flow control status
 **/
static int i40e_set_pauseparam(struct net_device *netdev,
			       struct ethtool_pauseparam *pause)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_hw *hw = &pf->hw;
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
885
	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
886 887 888
	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
	i40e_status status;
	u8 aq_failures;
889
	int err = 0;
890

891 892 893 894 895 896 897 898
	/* Changing the port's flow control is not supported if this isn't the
	 * port's controlling PF
	 */
	if (hw->partition_id != 1) {
		i40e_partition_setting_complaint(pf);
		return -EOPNOTSUPP;
	}

899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914
	if (vsi != pf->vsi[pf->lan_vsi])
		return -EOPNOTSUPP;

	if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
	    AUTONEG_ENABLE : AUTONEG_DISABLE)) {
		netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
		return -EOPNOTSUPP;
	}

	/* If we have link and don't have autoneg */
	if (!test_bit(__I40E_DOWN, &pf->state) &&
	    !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
		/* Send message that it might not necessarily work*/
		netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
	}

915 916 917
	if (dcbx_cfg->pfc.pfcenable) {
		netdev_info(netdev,
			    "Priority flow control enabled. Cannot set link flow control.\n");
918 919 920 921 922 923 924 925 926 927 928 929 930 931
		return -EOPNOTSUPP;
	}

	if (pause->rx_pause && pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_FULL;
	else if (pause->rx_pause && !pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_RX_PAUSE;
	else if (!pause->rx_pause && pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_TX_PAUSE;
	else if (!pause->rx_pause && !pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_NONE;
	else
		 return -EINVAL;

932 933 934
	/* Tell the OS link is going down, the link will go back up when fw
	 * says it is ready asynchronously
	 */
M
Matt Jared 已提交
935
	i40e_print_link_message(vsi, false);
936 937 938
	netif_carrier_off(netdev);
	netif_tx_stop_all_queues(netdev);

939 940 941 942
	/* Set the fc mode and only restart an if link is up*/
	status = i40e_set_fc(hw, &aq_failures, link_up);

	if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
943 944 945
		netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
			    i40e_stat_str(hw, status),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
946 947 948
		err = -EAGAIN;
	}
	if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
949 950 951
		netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
			    i40e_stat_str(hw, status),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
952 953 954
		err = -EAGAIN;
	}
	if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
955 956 957
		netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
			    i40e_stat_str(hw, status),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
958 959 960
		err = -EAGAIN;
	}

961 962 963 964 965 966
	if (!test_bit(__I40E_DOWN, &pf->state)) {
		/* Give it a little more time to try to come back */
		msleep(75);
		if (!test_bit(__I40E_DOWN, &pf->state))
			return i40e_nway_reset(netdev);
	}
967 968 969 970

	return err;
}

J
Jesse Brandeburg 已提交
971 972 973 974
static u32 i40e_get_msglevel(struct net_device *netdev)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
975 976 977 978
	u32 debug_mask = pf->hw.debug_mask;

	if (debug_mask)
		netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
J
Jesse Brandeburg 已提交
979 980 981 982 983 984 985 986 987 988 989

	return pf->msg_enable;
}

static void i40e_set_msglevel(struct net_device *netdev, u32 data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;

	if (I40E_DEBUG_USER & data)
		pf->hw.debug_mask = data;
990 991
	else
		pf->msg_enable = data;
J
Jesse Brandeburg 已提交
992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
}

static int i40e_get_regs_len(struct net_device *netdev)
{
	int reg_count = 0;
	int i;

	for (i = 0; i40e_reg_list[i].offset != 0; i++)
		reg_count += i40e_reg_list[i].elements;

	return reg_count * sizeof(u32);
}

static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
			  void *p)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	u32 *reg_buf = p;
	int i, j, ri;
	u32 reg;

	/* Tell ethtool which driver-version-specific regs output we have.
	 *
	 * At some point, if we have ethtool doing special formatting of
	 * this data, it will rely on this version number to know how to
	 * interpret things.  Hence, this needs to be updated if/when the
	 * diags register table is changed.
	 */
	regs->version = 1;

	/* loop through the diags reg table for what to print */
	ri = 0;
	for (i = 0; i40e_reg_list[i].offset != 0; i++) {
		for (j = 0; j < i40e_reg_list[i].elements; j++) {
			reg = i40e_reg_list[i].offset
				+ (j * i40e_reg_list[i].stride);
			reg_buf[ri++] = rd32(hw, reg);
		}
	}

}

static int i40e_get_eeprom(struct net_device *netdev,
			   struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_hw *hw = &np->vsi->back->hw;
1041
	struct i40e_pf *pf = np->vsi->back;
1042
	int ret_val = 0, len, offset;
1043 1044 1045
	u8 *eeprom_buff;
	u16 i, sectors;
	bool last;
1046 1047
	u32 magic;

1048
#define I40E_NVM_SECTOR_SIZE  4096
J
Jesse Brandeburg 已提交
1049 1050 1051
	if (eeprom->len == 0)
		return -EINVAL;

1052 1053 1054
	/* check for NVMUpdate access method */
	magic = hw->vendor_id | (hw->device_id << 16);
	if (eeprom->magic && eeprom->magic != magic) {
1055 1056
		struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
		int errno = 0;
1057 1058 1059

		/* make sure it is the right magic for NVMUpdate */
		if ((eeprom->magic >> 16) != hw->device_id)
1060 1061 1062 1063 1064 1065 1066 1067
			errno = -EINVAL;
		else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
			 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
			errno = -EBUSY;
		else
			ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);

		if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1068
			dev_info(&pf->pdev->dev,
1069 1070 1071 1072
				 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
				 ret_val, hw->aq.asq_last_status, errno,
				 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
				 cmd->offset, cmd->data_size);
1073 1074 1075 1076 1077

		return errno;
	}

	/* normal ethtool get_eeprom support */
J
Jesse Brandeburg 已提交
1078 1079
	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

1080
	eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
J
Jesse Brandeburg 已提交
1081 1082 1083
	if (!eeprom_buff)
		return -ENOMEM;

1084 1085 1086 1087 1088 1089
	ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
	if (ret_val) {
		dev_info(&pf->pdev->dev,
			 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
			 ret_val, hw->aq.asq_last_status);
		goto free_buff;
J
Jesse Brandeburg 已提交
1090 1091
	}

1092 1093 1094 1095 1096 1097 1098 1099 1100
	sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
	sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
	len = I40E_NVM_SECTOR_SIZE;
	last = false;
	for (i = 0; i < sectors; i++) {
		if (i == (sectors - 1)) {
			len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
			last = true;
		}
1101 1102
		offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
		ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1103
				(u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1104
				last, NULL);
1105
		if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1106
			dev_info(&pf->pdev->dev,
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
				 "read NVM failed, invalid offset 0x%x\n",
				 offset);
			break;
		} else if (ret_val &&
			   hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
			dev_info(&pf->pdev->dev,
				 "read NVM failed, access, offset 0x%x\n",
				 offset);
			break;
		} else if (ret_val) {
			dev_info(&pf->pdev->dev,
				 "read NVM failed offset %d err=%d status=0x%x\n",
				 offset, ret_val, hw->aq.asq_last_status);
			break;
1121 1122
		}
	}
J
Jesse Brandeburg 已提交
1123

1124
	i40e_release_nvm(hw);
1125
	memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1126
free_buff:
J
Jesse Brandeburg 已提交
1127 1128 1129 1130 1131 1132 1133 1134
	kfree(eeprom_buff);
	return ret_val;
}

static int i40e_get_eeprom_len(struct net_device *netdev)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_hw *hw = &np->vsi->back->hw;
1135 1136 1137 1138 1139 1140
	u32 val;

	val = (rd32(hw, I40E_GLPCI_LBARCTRL)
		& I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
		>> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
	/* register returns value in power of 2, 64Kbyte chunks. */
1141
	val = (64 * 1024) * BIT(val);
1142
	return val;
J
Jesse Brandeburg 已提交
1143 1144
}

1145 1146 1147 1148 1149 1150
static int i40e_set_eeprom(struct net_device *netdev,
			   struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_hw *hw = &np->vsi->back->hw;
	struct i40e_pf *pf = np->vsi->back;
1151
	struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1152
	int ret_val = 0;
1153
	int errno = 0;
1154 1155 1156 1157 1158
	u32 magic;

	/* normal ethtool set_eeprom is not supported */
	magic = hw->vendor_id | (hw->device_id << 16);
	if (eeprom->magic == magic)
1159
		errno = -EOPNOTSUPP;
1160
	/* check for NVMUpdate access method */
1161 1162 1163 1164 1165 1166 1167
	else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
		errno = -EINVAL;
	else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
		 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		errno = -EBUSY;
	else
		ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1168

1169
	if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1170
		dev_info(&pf->pdev->dev,
1171 1172 1173 1174
			 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
			 ret_val, hw->aq.asq_last_status, errno,
			 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
			 cmd->offset, cmd->data_size);
1175 1176 1177 1178

	return errno;
}

J
Jesse Brandeburg 已提交
1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
static void i40e_get_drvinfo(struct net_device *netdev,
			     struct ethtool_drvinfo *drvinfo)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;

	strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, i40e_driver_version_str,
		sizeof(drvinfo->version));
1189
	strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
J
Jesse Brandeburg 已提交
1190 1191 1192
		sizeof(drvinfo->fw_version));
	strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
		sizeof(drvinfo->bus_info));
1193
	drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1194
	if (pf->hw.pf_id == 0)
1195
		drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
J
Jesse Brandeburg 已提交
1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
}

static void i40e_get_ringparam(struct net_device *netdev,
			       struct ethtool_ringparam *ring)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];

	ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
	ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
	ring->rx_mini_max_pending = 0;
	ring->rx_jumbo_max_pending = 0;
1209 1210
	ring->rx_pending = vsi->rx_rings[0]->count;
	ring->tx_pending = vsi->tx_rings[0]->count;
J
Jesse Brandeburg 已提交
1211 1212 1213 1214 1215 1216 1217 1218 1219
	ring->rx_mini_pending = 0;
	ring->rx_jumbo_pending = 0;
}

static int i40e_set_ringparam(struct net_device *netdev,
			      struct ethtool_ringparam *ring)
{
	struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1220
	struct i40e_hw *hw = &np->vsi->back->hw;
J
Jesse Brandeburg 已提交
1221 1222 1223 1224 1225 1226 1227 1228
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	u32 new_rx_count, new_tx_count;
	int i, err = 0;

	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
		return -EINVAL;

1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241
	if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
	    ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
	    ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
	    ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
		netdev_info(netdev,
			    "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
			    ring->tx_pending, ring->rx_pending,
			    I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
		return -EINVAL;
	}

	new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
	new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
J
Jesse Brandeburg 已提交
1242 1243

	/* if nothing to do return success */
1244 1245
	if ((new_tx_count == vsi->tx_rings[0]->count) &&
	    (new_rx_count == vsi->rx_rings[0]->count))
J
Jesse Brandeburg 已提交
1246 1247 1248 1249 1250 1251 1252 1253
		return 0;

	while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
		usleep_range(1000, 2000);

	if (!netif_running(vsi->netdev)) {
		/* simple case - set for the next time the netdev is started */
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1254 1255
			vsi->tx_rings[i]->count = new_tx_count;
			vsi->rx_rings[i]->count = new_rx_count;
J
Jesse Brandeburg 已提交
1256 1257 1258 1259 1260 1261 1262 1263 1264 1265
		}
		goto done;
	}

	/* We can't just free everything and then setup again,
	 * because the ISRs in MSI-X mode get passed pointers
	 * to the Tx and Rx ring structs.
	 */

	/* alloc updated Tx resources */
1266
	if (new_tx_count != vsi->tx_rings[0]->count) {
J
Jesse Brandeburg 已提交
1267 1268
		netdev_info(netdev,
			    "Changing Tx descriptor count from %d to %d.\n",
1269
			    vsi->tx_rings[0]->count, new_tx_count);
J
Jesse Brandeburg 已提交
1270 1271 1272 1273 1274 1275 1276 1277 1278
		tx_rings = kcalloc(vsi->alloc_queue_pairs,
				   sizeof(struct i40e_ring), GFP_KERNEL);
		if (!tx_rings) {
			err = -ENOMEM;
			goto done;
		}

		for (i = 0; i < vsi->num_queue_pairs; i++) {
			/* clone ring and setup updated count */
1279
			tx_rings[i] = *vsi->tx_rings[i];
J
Jesse Brandeburg 已提交
1280
			tx_rings[i].count = new_tx_count;
J
Jesse Brandeburg 已提交
1281 1282 1283 1284 1285
			/* the desc and bi pointers will be reallocated in the
			 * setup call
			 */
			tx_rings[i].desc = NULL;
			tx_rings[i].rx_bi = NULL;
J
Jesse Brandeburg 已提交
1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300
			err = i40e_setup_tx_descriptors(&tx_rings[i]);
			if (err) {
				while (i) {
					i--;
					i40e_free_tx_resources(&tx_rings[i]);
				}
				kfree(tx_rings);
				tx_rings = NULL;

				goto done;
			}
		}
	}

	/* alloc updated Rx resources */
1301
	if (new_rx_count != vsi->rx_rings[0]->count) {
J
Jesse Brandeburg 已提交
1302 1303
		netdev_info(netdev,
			    "Changing Rx descriptor count from %d to %d\n",
1304
			    vsi->rx_rings[0]->count, new_rx_count);
J
Jesse Brandeburg 已提交
1305 1306 1307 1308 1309 1310 1311 1312
		rx_rings = kcalloc(vsi->alloc_queue_pairs,
				   sizeof(struct i40e_ring), GFP_KERNEL);
		if (!rx_rings) {
			err = -ENOMEM;
			goto free_tx;
		}

		for (i = 0; i < vsi->num_queue_pairs; i++) {
1313 1314 1315
			struct i40e_ring *ring;
			u16 unused;

J
Jesse Brandeburg 已提交
1316
			/* clone ring and setup updated count */
1317
			rx_rings[i] = *vsi->rx_rings[i];
J
Jesse Brandeburg 已提交
1318
			rx_rings[i].count = new_rx_count;
J
Jesse Brandeburg 已提交
1319 1320 1321 1322 1323
			/* the desc and bi pointers will be reallocated in the
			 * setup call
			 */
			rx_rings[i].desc = NULL;
			rx_rings[i].rx_bi = NULL;
1324 1325 1326 1327
			/* this is to allow wr32 to have something to write to
			 * during early allocation of Rx buffers
			 */
			rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
J
Jesse Brandeburg 已提交
1328
			err = i40e_setup_rx_descriptors(&rx_rings[i]);
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
			if (err)
				goto rx_unwind;

			/* now allocate the Rx buffers to make sure the OS
			 * has enough memory, any failure here means abort
			 */
			ring = &rx_rings[i];
			unused = I40E_DESC_UNUSED(ring);
			err = i40e_alloc_rx_buffers(ring, unused);
rx_unwind:
J
Jesse Brandeburg 已提交
1339
			if (err) {
1340
				do {
J
Jesse Brandeburg 已提交
1341
					i40e_free_rx_resources(&rx_rings[i]);
1342
				} while (i--);
J
Jesse Brandeburg 已提交
1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357
				kfree(rx_rings);
				rx_rings = NULL;

				goto free_tx;
			}
		}
	}

	/* Bring interface down, copy in the new ring info,
	 * then restore the interface
	 */
	i40e_down(vsi);

	if (tx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1358 1359
			i40e_free_tx_resources(vsi->tx_rings[i]);
			*vsi->tx_rings[i] = tx_rings[i];
J
Jesse Brandeburg 已提交
1360 1361 1362 1363 1364 1365 1366
		}
		kfree(tx_rings);
		tx_rings = NULL;
	}

	if (rx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1367
			i40e_free_rx_resources(vsi->rx_rings[i]);
1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378
			/* get the real tail offset */
			rx_rings[i].tail = vsi->rx_rings[i]->tail;
			/* this is to fake out the allocation routine
			 * into thinking it has to realloc everything
			 * but the recycling logic will let us re-use
			 * the buffers allocated above
			 */
			rx_rings[i].next_to_use = 0;
			rx_rings[i].next_to_clean = 0;
			rx_rings[i].next_to_alloc = 0;
			/* do a struct copy */
1379
			*vsi->rx_rings[i] = rx_rings[i];
J
Jesse Brandeburg 已提交
1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411
		}
		kfree(rx_rings);
		rx_rings = NULL;
	}

	i40e_up(vsi);

free_tx:
	/* error cleanup if the Rx allocations failed after getting Tx */
	if (tx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++)
			i40e_free_tx_resources(&tx_rings[i]);
		kfree(tx_rings);
		tx_rings = NULL;
	}

done:
	clear_bit(__I40E_CONFIG_BUSY, &pf->state);

	return err;
}

static int i40e_get_sset_count(struct net_device *netdev, int sset)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;

	switch (sset) {
	case ETH_SS_TEST:
		return I40E_TEST_LEN;
	case ETH_SS_STATS:
1412
		if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
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			int len = I40E_PF_STATS_LEN(netdev);

1415 1416
			if ((pf->lan_veb != I40E_NO_VEB) &&
			    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1417
				len += I40E_VEB_STATS_TOTAL;
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			return len;
		} else {
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1420
			return I40E_VSI_STATS_LEN(netdev);
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1421
		}
1422
	case ETH_SS_PRIV_FLAGS:
1423 1424
		return I40E_PRIV_FLAGS_STR_LEN +
			(pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
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	default:
		return -EOPNOTSUPP;
	}
}

static void i40e_get_ethtool_stats(struct net_device *netdev,
				   struct ethtool_stats *stats, u64 *data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1434
	struct i40e_ring *tx_ring, *rx_ring;
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1435 1436 1437 1438 1439 1440
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int i = 0;
	char *p;
	int j;
	struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1441
	unsigned int start;
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1442 1443 1444 1445 1446 1447 1448 1449

	i40e_update_stats(vsi);

	for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
		p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
1450 1451 1452 1453 1454
	for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
		p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
			    sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
1455 1456 1457 1458 1459 1460 1461
#ifdef I40E_FCOE
	for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
		p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
#endif
1462
	rcu_read_lock();
1463
	for (j = 0; j < vsi->num_queue_pairs; j++) {
1464
		tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1465 1466 1467 1468 1469 1470

		if (!tx_ring)
			continue;

		/* process Tx ring statistics */
		do {
1471
			start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1472 1473
			data[i] = tx_ring->stats.packets;
			data[i + 1] = tx_ring->stats.bytes;
1474
		} while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1475
		i += 2;
1476 1477 1478 1479

		/* Rx ring is the 2nd half of the queue pair */
		rx_ring = &tx_ring[1];
		do {
1480
			start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1481 1482
			data[i] = rx_ring->stats.packets;
			data[i + 1] = rx_ring->stats.bytes;
1483
		} while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1484
		i += 2;
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1485
	}
1486
	rcu_read_unlock();
1487
	if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
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1488 1489
		return;

1490 1491
	if ((pf->lan_veb != I40E_NO_VEB) &&
	    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
S
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1492
		struct i40e_veb *veb = pf->veb[pf->lan_veb];
J
Jesse Brandeburg 已提交
1493

S
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1494 1495 1496 1497 1498
		for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
			p = (char *)veb;
			p += i40e_gstrings_veb_stats[j].stat_offset;
			data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
				     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
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1499
		}
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1500 1501 1502 1503 1504 1505
		for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
			data[i++] = veb->tc_stats.tc_tx_packets[j];
			data[i++] = veb->tc_stats.tc_tx_bytes[j];
			data[i++] = veb->tc_stats.tc_rx_packets[j];
			data[i++] = veb->tc_stats.tc_rx_bytes[j];
		}
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1506
	}
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1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521
	for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
		p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
		data[i++] = pf->stats.priority_xon_tx[j];
		data[i++] = pf->stats.priority_xoff_tx[j];
	}
	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
		data[i++] = pf->stats.priority_xon_rx[j];
		data[i++] = pf->stats.priority_xoff_rx[j];
	}
	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
		data[i++] = pf->stats.priority_xon_2_xoff[j];
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1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545
}

static void i40e_get_strings(struct net_device *netdev, u32 stringset,
			     u8 *data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	char *p = (char *)data;
	int i;

	switch (stringset) {
	case ETH_SS_TEST:
		for (i = 0; i < I40E_TEST_LEN; i++) {
			memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
			data += ETH_GSTRING_LEN;
		}
		break;
	case ETH_SS_STATS:
		for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 i40e_gstrings_net_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
1546 1547 1548 1549 1550
		for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 i40e_gstrings_misc_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
1551 1552 1553 1554 1555 1556 1557
#ifdef I40E_FCOE
		for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 i40e_gstrings_fcoe_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
#endif
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1558
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1559
			snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
J
Jesse Brandeburg 已提交
1560
			p += ETH_GSTRING_LEN;
1561
			snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
J
Jesse Brandeburg 已提交
1562
			p += ETH_GSTRING_LEN;
1563
			snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
J
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1564
			p += ETH_GSTRING_LEN;
1565
			snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
J
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1566 1567
			p += ETH_GSTRING_LEN;
		}
1568
		if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
S
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1569 1570
			return;

1571 1572
		if ((pf->lan_veb != I40E_NO_VEB) &&
		    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
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1573 1574 1575
			for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
				snprintf(p, ETH_GSTRING_LEN, "veb.%s",
					i40e_gstrings_veb_stats[i].stat_string);
J
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1576 1577
				p += ETH_GSTRING_LEN;
			}
1578 1579
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				snprintf(p, ETH_GSTRING_LEN,
1580
					 "veb.tc_%d_tx_packets", i);
1581 1582
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
1583
					 "veb.tc_%d_tx_bytes", i);
1584 1585
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
1586
					 "veb.tc_%d_rx_packets", i);
1587 1588
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
1589
					 "veb.tc_%d_rx_bytes", i);
1590 1591
				p += ETH_GSTRING_LEN;
			}
J
Jesse Brandeburg 已提交
1592
		}
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1593 1594 1595 1596 1597 1598 1599
		for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "port.%s",
				 i40e_gstrings_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
1600
				 "port.tx_priority_%d_xon", i);
S
Shannon Nelson 已提交
1601 1602
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
1603
				 "port.tx_priority_%d_xoff", i);
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1604 1605 1606 1607
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
1608
				 "port.rx_priority_%d_xon", i);
S
Shannon Nelson 已提交
1609 1610
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
1611
				 "port.rx_priority_%d_xoff", i);
S
Shannon Nelson 已提交
1612 1613 1614 1615
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
1616
				 "port.rx_priority_%d_xon_2_xoff", i);
S
Shannon Nelson 已提交
1617 1618
			p += ETH_GSTRING_LEN;
		}
J
Jesse Brandeburg 已提交
1619 1620
		/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
		break;
1621
	case ETH_SS_PRIV_FLAGS:
1622 1623 1624 1625 1626
		for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
			memcpy(data, i40e_priv_flags_strings[i],
			       ETH_GSTRING_LEN);
			data += ETH_GSTRING_LEN;
		}
1627
		if (pf->hw.pf_id == 0) {
1628 1629
			for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) {
				memcpy(data, i40e_gl_priv_flags_strings[i],
1630 1631 1632
				       ETH_GSTRING_LEN);
				data += ETH_GSTRING_LEN;
			}
1633 1634
		}
		break;
1635 1636
	default:
		break;
J
Jesse Brandeburg 已提交
1637 1638 1639 1640 1641 1642
	}
}

static int i40e_get_ts_info(struct net_device *dev,
			    struct ethtool_ts_info *info)
{
J
Jacob Keller 已提交
1643 1644
	struct i40e_pf *pf = i40e_netdev_to_pf(dev);

1645 1646 1647 1648
	/* only report HW timestamping if PTP is enabled */
	if (!(pf->flags & I40E_FLAG_PTP))
		return ethtool_op_get_ts_info(dev, info);

J
Jacob Keller 已提交
1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660
	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
				SOF_TIMESTAMPING_RX_SOFTWARE |
				SOF_TIMESTAMPING_SOFTWARE |
				SOF_TIMESTAMPING_TX_HARDWARE |
				SOF_TIMESTAMPING_RX_HARDWARE |
				SOF_TIMESTAMPING_RAW_HARDWARE;

	if (pf->ptp_clock)
		info->phc_index = ptp_clock_index(pf->ptp_clock);
	else
		info->phc_index = -1;

1661
	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
J
Jacob Keller 已提交
1662

1663 1664 1665
	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
			   BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
			   BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
J
Jacob Keller 已提交
1666 1667

	return 0;
J
Jesse Brandeburg 已提交
1668 1669
}

S
Shannon Nelson 已提交
1670
static int i40e_link_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1671
{
S
Shannon Nelson 已提交
1672 1673
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
1674 1675
	i40e_status status;
	bool link_up = false;
S
Shannon Nelson 已提交
1676

S
Shannon Nelson 已提交
1677
	netif_info(pf, hw, netdev, "link test\n");
1678 1679 1680 1681 1682 1683 1684 1685
	status = i40e_get_link_status(&pf->hw, &link_up);
	if (status) {
		netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
		*data = 1;
		return *data;
	}

	if (link_up)
J
Jesse Brandeburg 已提交
1686 1687 1688 1689 1690 1691 1692
		*data = 0;
	else
		*data = 1;

	return *data;
}

S
Shannon Nelson 已提交
1693
static int i40e_reg_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1694
{
S
Shannon Nelson 已提交
1695 1696
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
J
Jesse Brandeburg 已提交
1697

S
Shannon Nelson 已提交
1698
	netif_info(pf, hw, netdev, "register test\n");
S
Shannon Nelson 已提交
1699
	*data = i40e_diag_reg_test(&pf->hw);
J
Jesse Brandeburg 已提交
1700

S
Shannon Nelson 已提交
1701
	return *data;
J
Jesse Brandeburg 已提交
1702 1703
}

S
Shannon Nelson 已提交
1704
static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1705
{
S
Shannon Nelson 已提交
1706 1707
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
J
Jesse Brandeburg 已提交
1708

S
Shannon Nelson 已提交
1709
	netif_info(pf, hw, netdev, "eeprom test\n");
S
Shannon Nelson 已提交
1710
	*data = i40e_diag_eeprom_test(&pf->hw);
J
Jesse Brandeburg 已提交
1711

1712 1713 1714
	/* forcebly clear the NVM Update state machine */
	pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;

S
Shannon Nelson 已提交
1715
	return *data;
J
Jesse Brandeburg 已提交
1716 1717
}

S
Shannon Nelson 已提交
1718
static int i40e_intr_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1719
{
S
Shannon Nelson 已提交
1720 1721
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
S
Shannon Nelson 已提交
1722 1723
	u16 swc_old = pf->sw_int_count;

S
Shannon Nelson 已提交
1724
	netif_info(pf, hw, netdev, "interrupt test\n");
S
Shannon Nelson 已提交
1725 1726
	wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
	     (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1727 1728 1729 1730
	      I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
	      I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
	      I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
	      I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
S
Shannon Nelson 已提交
1731 1732
	usleep_range(1000, 2000);
	*data = (swc_old == pf->sw_int_count);
J
Jesse Brandeburg 已提交
1733 1734 1735 1736

	return *data;
}

1737 1738 1739 1740 1741 1742
static inline bool i40e_active_vfs(struct i40e_pf *pf)
{
	struct i40e_vf *vfs = pf->vf;
	int i;

	for (i = 0; i < pf->num_alloc_vfs; i++)
J
Jesse Brandeburg 已提交
1743
		if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1744 1745 1746 1747
			return true;
	return false;
}

1748 1749
static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
{
1750
	return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
1751 1752
}

J
Jesse Brandeburg 已提交
1753 1754 1755 1756
static void i40e_diag_test(struct net_device *netdev,
			   struct ethtool_test *eth_test, u64 *data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
G
Greg Rose 已提交
1757
	bool if_running = netif_running(netdev);
J
Jesse Brandeburg 已提交
1758 1759 1760 1761
	struct i40e_pf *pf = np->vsi->back;

	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */
S
Shannon Nelson 已提交
1762
		netif_info(pf, drv, netdev, "offline testing starting\n");
J
Jesse Brandeburg 已提交
1763

1764
		set_bit(__I40E_TESTING, &pf->state);
1765

1766
		if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1767
			dev_warn(&pf->pdev->dev,
1768
				 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1769 1770 1771 1772 1773 1774 1775 1776 1777
			data[I40E_ETH_TEST_REG]		= 1;
			data[I40E_ETH_TEST_EEPROM]	= 1;
			data[I40E_ETH_TEST_INTR]	= 1;
			data[I40E_ETH_TEST_LINK]	= 1;
			eth_test->flags |= ETH_TEST_FL_FAILED;
			clear_bit(__I40E_TESTING, &pf->state);
			goto skip_ol_tests;
		}

G
Greg Rose 已提交
1778 1779 1780
		/* If the device is online then take it offline */
		if (if_running)
			/* indicate we're in test mode */
1781
			i40e_close(netdev);
G
Greg Rose 已提交
1782
		else
1783 1784 1785 1786 1787
			/* This reset does not affect link - if it is
			 * changed to a type of reset that does affect
			 * link then the following link test would have
			 * to be moved to before the reset
			 */
1788
			i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1789

S
Shannon Nelson 已提交
1790
		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
J
Jesse Brandeburg 已提交
1791 1792
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1793
		if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
J
Jesse Brandeburg 已提交
1794 1795
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1796
		if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
J
Jesse Brandeburg 已提交
1797 1798
			eth_test->flags |= ETH_TEST_FL_FAILED;

1799 1800 1801 1802 1803
		/* run reg test last, a reset is required after it */
		if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		clear_bit(__I40E_TESTING, &pf->state);
1804
		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
G
Greg Rose 已提交
1805 1806

		if (if_running)
1807
			i40e_open(netdev);
J
Jesse Brandeburg 已提交
1808 1809
	} else {
		/* Online tests */
S
Shannon Nelson 已提交
1810 1811
		netif_info(pf, drv, netdev, "online testing starting\n");

S
Shannon Nelson 已提交
1812
		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
J
Jesse Brandeburg 已提交
1813 1814 1815 1816 1817 1818 1819
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Offline only tests, not run in online; pass by default */
		data[I40E_ETH_TEST_REG] = 0;
		data[I40E_ETH_TEST_EEPROM] = 0;
		data[I40E_ETH_TEST_INTR] = 0;
	}
1820

1821 1822
skip_ol_tests:

S
Shannon Nelson 已提交
1823
	netif_info(pf, drv, netdev, "testing finished\n");
J
Jesse Brandeburg 已提交
1824 1825 1826 1827 1828
}

static void i40e_get_wol(struct net_device *netdev,
			 struct ethtool_wolinfo *wol)
{
S
Shannon Nelson 已提交
1829 1830 1831 1832 1833 1834 1835
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	u16 wol_nvm_bits;

	/* NVM bit on means WoL disabled for the port */
	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1836
	if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
S
Shannon Nelson 已提交
1837 1838 1839 1840 1841 1842 1843 1844
		wol->supported = 0;
		wol->wolopts = 0;
	} else {
		wol->supported = WAKE_MAGIC;
		wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
	}
}

1845 1846 1847 1848 1849
/**
 * i40e_set_wol - set the WakeOnLAN configuration
 * @netdev: the netdev in question
 * @wol: the ethtool WoL setting data
 **/
S
Shannon Nelson 已提交
1850 1851 1852 1853
static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
1854
	struct i40e_vsi *vsi = np->vsi;
S
Shannon Nelson 已提交
1855 1856 1857
	struct i40e_hw *hw = &pf->hw;
	u16 wol_nvm_bits;

1858 1859 1860 1861 1862 1863 1864 1865 1866
	/* WoL not supported if this isn't the controlling PF on the port */
	if (hw->partition_id != 1) {
		i40e_partition_setting_complaint(pf);
		return -EOPNOTSUPP;
	}

	if (vsi != pf->vsi[pf->lan_vsi])
		return -EOPNOTSUPP;

S
Shannon Nelson 已提交
1867 1868
	/* NVM bit on means WoL disabled for the port */
	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1869
	if (BIT(hw->port) & wol_nvm_bits)
S
Shannon Nelson 已提交
1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881
		return -EOPNOTSUPP;

	/* only magic packet is supported */
	if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
		return -EOPNOTSUPP;

	/* is this a new value? */
	if (pf->wol_en != !!wol->wolopts) {
		pf->wol_en = !!wol->wolopts;
		device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
	}

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1882 1883 1884 1885 1886 1887 1888
	return 0;
}

static int i40e_set_phys_id(struct net_device *netdev,
			    enum ethtool_phys_id_state state)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1889
	i40e_status ret = 0;
J
Jesse Brandeburg 已提交
1890 1891 1892
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	int blink_freq = 2;
1893
	u16 temp_status;
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	switch (state) {
	case ETHTOOL_ID_ACTIVE:
1897 1898 1899
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
			pf->led_status = i40e_led_get(hw);
		} else {
1900
			i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1901 1902 1903 1904
			ret = i40e_led_get_phy(hw, &temp_status,
					       &pf->phy_led_val);
			pf->led_status = temp_status;
		}
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		return blink_freq;
	case ETHTOOL_ID_ON:
1907 1908 1909 1910
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY))
			i40e_led_set(hw, 0xf, false);
		else
			ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
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Jesse Brandeburg 已提交
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		break;
	case ETHTOOL_ID_OFF:
1913 1914 1915 1916
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY))
			i40e_led_set(hw, 0x0, false);
		else
			ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
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1917 1918
		break;
	case ETHTOOL_ID_INACTIVE:
1919 1920 1921 1922 1923 1924 1925 1926
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
			i40e_led_set(hw, false, pf->led_status);
		} else {
			ret = i40e_led_set_phy(hw, false, pf->led_status,
					       (pf->phy_led_val |
					       I40E_PHY_LED_MODE_ORIG));
			i40e_aq_set_phy_debug(hw, 0, NULL);
		}
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1927
		break;
1928 1929
	default:
		break;
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	}
1931 1932 1933 1934
		if (ret)
			return -ENOENT;
		else
			return 0;
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}

/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
 * 125us (8000 interrupts per second) == ITR(62)
 */

1942 1943 1944 1945 1946 1947 1948 1949 1950 1951
/**
 * __i40e_get_coalesce - get per-queue coalesce settings
 * @netdev: the netdev to check
 * @ec: ethtool coalesce data structure
 * @queue: which queue to pick
 *
 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
 * are per queue. If queue is <0 then we default to queue 0 as the
 * representative value.
 **/
1952 1953 1954
static int __i40e_get_coalesce(struct net_device *netdev,
			       struct ethtool_coalesce *ec,
			       int queue)
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{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1957
	struct i40e_ring *rx_ring, *tx_ring;
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Jesse Brandeburg 已提交
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	struct i40e_vsi *vsi = np->vsi;

	ec->tx_max_coalesced_frames_irq = vsi->work_limit;
	ec->rx_max_coalesced_frames_irq = vsi->work_limit;

1963 1964 1965 1966 1967 1968 1969 1970 1971
	/* rx and tx usecs has per queue value. If user doesn't specify the queue,
	 * return queue 0's value to represent.
	 */
	if (queue < 0) {
		queue = 0;
	} else if (queue >= vsi->num_queue_pairs) {
		return -EINVAL;
	}

1972 1973 1974 1975
	rx_ring = vsi->rx_rings[queue];
	tx_ring = vsi->tx_rings[queue];

	if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
1976
		ec->use_adaptive_rx_coalesce = 1;
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Jesse Brandeburg 已提交
1977

1978
	if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
1979 1980
		ec->use_adaptive_tx_coalesce = 1;

1981 1982 1983
	ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
	ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;

1984

1985 1986 1987 1988 1989 1990 1991 1992
	/* we use the _usecs_high to store/set the interrupt rate limit
	 * that the hardware supports, that almost but not quite
	 * fits the original intent of the ethtool variable,
	 * the rx_coalesce_usecs_high limits total interrupts
	 * per second from both tx/rx sources.
	 */
	ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
	ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
J
Jesse Brandeburg 已提交
1993 1994 1995 1996

	return 0;
}

1997 1998 1999 2000 2001 2002 2003 2004 2005
/**
 * i40e_get_coalesce - get a netdev's coalesce settings
 * @netdev: the netdev to check
 * @ec: ethtool coalesce data structure
 *
 * Gets the coalesce settings for a particular netdev. Note that if user has
 * modified per-queue settings, this only guarantees to represent queue 0. See
 * __i40e_get_coalesce for more details.
 **/
2006
static int i40e_get_coalesce(struct net_device *netdev,
J
Jesse Brandeburg 已提交
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			     struct ethtool_coalesce *ec)
{
2009 2010 2011
	return __i40e_get_coalesce(netdev, ec, -1);
}

2012 2013 2014 2015 2016 2017 2018 2019
/**
 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
 * @netdev: netdev structure
 * @ec: ethtool's coalesce settings
 * @queue: the particular queue to read
 *
 * Will read a specific queue's coalesce settings
 **/
2020 2021 2022 2023 2024 2025
static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *ec)
{
	return __i40e_get_coalesce(netdev, ec, queue);
}

2026 2027 2028 2029 2030 2031 2032 2033 2034
/**
 * i40e_set_itr_per_queue - set ITR values for specific queue
 * @vsi: the VSI to set values for
 * @ec: coalesce settings from ethtool
 * @queue: the queue to modify
 *
 * Change the ITR settings for a specific queue.
 **/

2035 2036 2037 2038 2039 2040
static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
				   struct ethtool_coalesce *ec,
				   int queue)
{
	struct i40e_pf *pf = vsi->back;
	struct i40e_hw *hw = &pf->hw;
J
Jesse Brandeburg 已提交
2041
	struct i40e_q_vector *q_vector;
2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072
	u16 vector, intrl;

	intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);

	vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
	vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;

	if (ec->use_adaptive_rx_coalesce)
		vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
	else
		vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;

	if (ec->use_adaptive_tx_coalesce)
		vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
	else
		vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;

	q_vector = vsi->rx_rings[queue]->q_vector;
	q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
	vector = vsi->base_vector + q_vector->v_idx;
	wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);

	q_vector = vsi->tx_rings[queue]->q_vector;
	q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
	vector = vsi->base_vector + q_vector->v_idx;
	wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);

	wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
	i40e_flush(hw);
}

2073 2074 2075 2076 2077 2078 2079 2080
/**
 * __i40e_set_coalesce - set coalesce settings for particular queue
 * @netdev: the netdev to change
 * @ec: ethtool coalesce settings
 * @queue: the queue to change
 *
 * Sets the coalesce settings for a particular queue.
 **/
2081 2082 2083 2084 2085
static int __i40e_set_coalesce(struct net_device *netdev,
			       struct ethtool_coalesce *ec,
			       int queue)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
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Jesse Brandeburg 已提交
2086 2087 2088 2089 2090 2091 2092
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int i;

	if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
		vsi->work_limit = ec->tx_max_coalesced_frames_irq;

2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103
	/* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
	if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
		netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
		return -EINVAL;
	}

	if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
		netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
		return -EINVAL;
	}

2104
	if (ec->rx_coalesce_usecs == 0) {
2105
		if (ec->use_adaptive_rx_coalesce)
2106
			netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2107 2108 2109 2110
	} else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
		   (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
			netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
			return -EINVAL;
2111
	}
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Jesse Brandeburg 已提交
2112

2113 2114
	vsi->int_rate_limit = ec->rx_coalesce_usecs_high;

2115
	if (ec->tx_coalesce_usecs == 0) {
2116
		if (ec->use_adaptive_tx_coalesce)
2117
			netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2118 2119 2120 2121
	} else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
		   (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
			netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
			return -EINVAL;
2122
	}
2123

2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135
	/* rx and tx usecs has per queue value. If user doesn't specify the queue,
	 * apply to all queues.
	 */
	if (queue < 0) {
		for (i = 0; i < vsi->num_queue_pairs; i++)
			i40e_set_itr_per_queue(vsi, ec, i);
	} else if (queue < vsi->num_queue_pairs) {
		i40e_set_itr_per_queue(vsi, ec, queue);
	} else {
		netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
			   vsi->num_queue_pairs - 1);
		return -EINVAL;
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Jesse Brandeburg 已提交
2136 2137 2138 2139 2140
	}

	return 0;
}

2141 2142 2143 2144 2145 2146 2147
/**
 * i40e_set_coalesce - set coalesce settings for every queue on the netdev
 * @netdev: the netdev to change
 * @ec: ethtool coalesce settings
 *
 * This will set each queue to the same coalesce settings.
 **/
2148 2149 2150 2151 2152 2153
static int i40e_set_coalesce(struct net_device *netdev,
			     struct ethtool_coalesce *ec)
{
	return __i40e_set_coalesce(netdev, ec, -1);
}

2154 2155 2156 2157 2158 2159 2160 2161
/**
 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
 * @netdev: the netdev to change
 * @ec: ethtool's coalesce settings
 * @queue: the queue to change
 *
 * Sets the specified queue's coalesce settings.
 **/
2162 2163 2164 2165 2166 2167
static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *ec)
{
	return __i40e_set_coalesce(netdev, ec, queue);
}

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Jesse Brandeburg 已提交
2168 2169 2170 2171 2172 2173 2174 2175 2176
/**
 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
 * @pf: pointer to the physical function struct
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the flow is supported, else Invalid Input.
 **/
static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
{
2177 2178 2179 2180
	struct i40e_hw *hw = &pf->hw;
	u8 flow_pctype = 0;
	u64 i_set = 0;

J
Jesse Brandeburg 已提交
2181 2182 2183 2184
	cmd->data = 0;

	switch (cmd->flow_type) {
	case TCP_V4_FLOW:
2185 2186
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
		break;
J
Jesse Brandeburg 已提交
2187
	case UDP_V4_FLOW:
2188 2189 2190 2191 2192 2193 2194 2195
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
		break;
	case TCP_V6_FLOW:
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
		break;
	case UDP_V6_FLOW:
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
		break;
J
Jesse Brandeburg 已提交
2196 2197 2198 2199 2200 2201 2202 2203 2204 2205
	case SCTP_V4_FLOW:
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case IPV4_FLOW:
	case SCTP_V6_FLOW:
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case IPV6_FLOW:
2206
		/* Default is src/dest for IP, no matter the L4 hashing */
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Jesse Brandeburg 已提交
2207 2208 2209 2210 2211 2212
		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
		break;
	default:
		return -EINVAL;
	}

2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242
	/* Read flow based hash input set register */
	if (flow_pctype) {
		i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
					      flow_pctype)) |
			((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
					       flow_pctype)) << 32);
	}

	/* Process bits of hash input set */
	if (i_set) {
		if (i_set & I40E_L4_SRC_MASK)
			cmd->data |= RXH_L4_B_0_1;
		if (i_set & I40E_L4_DST_MASK)
			cmd->data |= RXH_L4_B_2_3;

		if (cmd->flow_type == TCP_V4_FLOW ||
		    cmd->flow_type == UDP_V4_FLOW) {
			if (i_set & I40E_L3_SRC_MASK)
				cmd->data |= RXH_IP_SRC;
			if (i_set & I40E_L3_DST_MASK)
				cmd->data |= RXH_IP_DST;
		} else if (cmd->flow_type == TCP_V6_FLOW ||
			  cmd->flow_type == UDP_V6_FLOW) {
			if (i_set & I40E_L3_V6_SRC_MASK)
				cmd->data |= RXH_IP_SRC;
			if (i_set & I40E_L3_V6_DST_MASK)
				cmd->data |= RXH_IP_DST;
		}
	}

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2243 2244 2245
	return 0;
}

2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265
/**
 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
 * @pf: Pointer to the physical function struct
 * @cmd: The command to get or set Rx flow classification rules
 * @rule_locs: Array of used rule locations
 *
 * This function populates both the total and actual rule count of
 * the ethtool flow classification command
 *
 * Returns 0 on success or -EMSGSIZE if entry not found
 **/
static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
				     struct ethtool_rxnfc *cmd,
				     u32 *rule_locs)
{
	struct i40e_fdir_filter *rule;
	struct hlist_node *node2;
	int cnt = 0;

	/* report total rule count */
2266
	cmd->data = i40e_get_fd_cnt_all(pf);
2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309

	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		if (cnt == cmd->rule_cnt)
			return -EMSGSIZE;

		rule_locs[cnt] = rule->fd_id;
		cnt++;
	}

	cmd->rule_cnt = cnt;

	return 0;
}

/**
 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
 * @pf: Pointer to the physical function struct
 * @cmd: The command to get or set Rx flow classification rules
 *
 * This function looks up a filter based on the Rx flow classification
 * command and fills the flow spec info for it if found
 *
 * Returns 0 on success or -EINVAL if filter not found
 **/
static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
				       struct ethtool_rxnfc *cmd)
{
	struct ethtool_rx_flow_spec *fsp =
			(struct ethtool_rx_flow_spec *)&cmd->fs;
	struct i40e_fdir_filter *rule = NULL;
	struct hlist_node *node2;

	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		if (fsp->location <= rule->fd_id)
			break;
	}

	if (!rule || fsp->location != rule->fd_id)
		return -EINVAL;

	fsp->flow_type = rule->flow_type;
2310 2311 2312 2313 2314 2315
	if (fsp->flow_type == IP_USER_FLOW) {
		fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
		fsp->h_u.usr_ip4_spec.proto = 0;
		fsp->m_u.usr_ip4_spec.proto = 0;
	}

2316 2317 2318 2319 2320 2321 2322
	/* Reverse the src and dest notion, since the HW views them from
	 * Tx perspective where as the user expects it from Rx filter view.
	 */
	fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
	fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
	fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
	fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2323 2324 2325 2326 2327

	if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
		fsp->ring_cookie = RX_CLS_FLOW_DISC;
	else
		fsp->ring_cookie = rule->q_index;
2328

2329 2330 2331 2332 2333 2334 2335 2336 2337 2338
	if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
		struct i40e_vsi *vsi;

		vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
		if (vsi && vsi->type == I40E_VSI_SRIOV) {
			fsp->h_ext.data[1] = htonl(vsi->vf_id);
			fsp->m_ext.data[1] = htonl(0x1);
		}
	}

2339 2340 2341
	return 0;
}

J
Jesse Brandeburg 已提交
2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358
/**
 * i40e_get_rxnfc - command to get RX flow classification rules
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the command is supported.
 **/
static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
			  u32 *rule_locs)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int ret = -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
2359
		cmd->data = vsi->num_queue_pairs;
J
Jesse Brandeburg 已提交
2360 2361 2362 2363 2364 2365
		ret = 0;
		break;
	case ETHTOOL_GRXFH:
		ret = i40e_get_rss_hash_opts(pf, cmd);
		break;
	case ETHTOOL_GRXCLSRLCNT:
2366
		cmd->rule_cnt = pf->fdir_pf_active_filters;
2367 2368
		/* report total rule count */
		cmd->data = i40e_get_fd_cnt_all(pf);
J
Jesse Brandeburg 已提交
2369 2370 2371
		ret = 0;
		break;
	case ETHTOOL_GRXCLSRULE:
2372
		ret = i40e_get_ethtool_fdir_entry(pf, cmd);
J
Jesse Brandeburg 已提交
2373 2374
		break;
	case ETHTOOL_GRXCLSRLALL:
2375 2376
		ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
		break;
J
Jesse Brandeburg 已提交
2377 2378 2379 2380 2381 2382 2383
	default:
		break;
	}

	return ret;
}

2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428
/**
 * i40e_get_rss_hash_bits - Read RSS Hash bits from register
 * @nfc: pointer to user request
 * @i_setc bits currently set
 *
 * Returns value of bits to be set per user request
 **/
static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
{
	u64 i_set = i_setc;
	u64 src_l3 = 0, dst_l3 = 0;

	if (nfc->data & RXH_L4_B_0_1)
		i_set |= I40E_L4_SRC_MASK;
	else
		i_set &= ~I40E_L4_SRC_MASK;
	if (nfc->data & RXH_L4_B_2_3)
		i_set |= I40E_L4_DST_MASK;
	else
		i_set &= ~I40E_L4_DST_MASK;

	if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
		src_l3 = I40E_L3_V6_SRC_MASK;
		dst_l3 = I40E_L3_V6_DST_MASK;
	} else if (nfc->flow_type == TCP_V4_FLOW ||
		  nfc->flow_type == UDP_V4_FLOW) {
		src_l3 = I40E_L3_SRC_MASK;
		dst_l3 = I40E_L3_DST_MASK;
	} else {
		/* Any other flow type are not supported here */
		return i_set;
	}

	if (nfc->data & RXH_IP_SRC)
		i_set |= src_l3;
	else
		i_set &= ~src_l3;
	if (nfc->data & RXH_IP_DST)
		i_set |= dst_l3;
	else
		i_set &= ~dst_l3;

	return i_set;
}

J
Jesse Brandeburg 已提交
2429 2430 2431 2432 2433 2434 2435 2436 2437 2438
/**
 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
 * @pf: pointer to the physical function struct
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the flow input set is supported.
 **/
static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
{
	struct i40e_hw *hw = &pf->hw;
2439 2440
	u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
		   ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
2441 2442
	u8 flow_pctype = 0;
	u64 i_set, i_setc;
J
Jesse Brandeburg 已提交
2443 2444 2445 2446 2447 2448 2449 2450 2451 2452

	/* RSS does not support anything other than hashing
	 * to queues on src and dst IPs and ports
	 */
	if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
			  RXH_L4_B_0_1 | RXH_L4_B_2_3))
		return -EINVAL;

	switch (nfc->flow_type) {
	case TCP_V4_FLOW:
2453 2454 2455 2456
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
J
Jesse Brandeburg 已提交
2457 2458
		break;
	case TCP_V6_FLOW:
2459 2460 2461 2462 2463 2464 2465
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
J
Jesse Brandeburg 已提交
2466 2467
		break;
	case UDP_V4_FLOW:
2468 2469 2470 2471 2472 2473 2474
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);

		hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
J
Jesse Brandeburg 已提交
2475 2476
		break;
	case UDP_V6_FLOW:
2477 2478 2479 2480 2481 2482 2483
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);

		hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
J
Jesse Brandeburg 已提交
2484 2485 2486 2487 2488 2489 2490 2491
		break;
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case SCTP_V4_FLOW:
		if ((nfc->data & RXH_L4_B_0_1) ||
		    (nfc->data & RXH_L4_B_2_3))
			return -EINVAL;
2492
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
J
Jesse Brandeburg 已提交
2493 2494 2495 2496 2497 2498 2499 2500
		break;
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case SCTP_V6_FLOW:
		if ((nfc->data & RXH_L4_B_0_1) ||
		    (nfc->data & RXH_L4_B_2_3))
			return -EINVAL;
2501
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
J
Jesse Brandeburg 已提交
2502 2503
		break;
	case IPV4_FLOW:
2504 2505
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
J
Jesse Brandeburg 已提交
2506 2507
		break;
	case IPV6_FLOW:
2508 2509
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
J
Jesse Brandeburg 已提交
2510 2511 2512 2513 2514
		break;
	default:
		return -EINVAL;
	}

2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527
	if (flow_pctype) {
		i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
					       flow_pctype)) |
			((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
					       flow_pctype)) << 32);
		i_set = i40e_get_rss_hash_bits(nfc, i_setc);
		i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
				  (u32)i_set);
		i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
				  (u32)(i_set >> 32));
		hena |= BIT_ULL(flow_pctype);
	}

2528 2529
	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
J
Jesse Brandeburg 已提交
2530 2531 2532 2533 2534
	i40e_flush(hw);

	return 0;
}

2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552
/**
 * i40e_match_fdir_input_set - Match a new filter against an existing one
 * @rule: The filter already added
 * @input: The new filter to comapre against
 *
 * Returns true if the two input set match
 **/
static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
				      struct i40e_fdir_filter *input)
{
	if ((rule->dst_ip[0] != input->dst_ip[0]) ||
	    (rule->src_ip[0] != input->src_ip[0]) ||
	    (rule->dst_port != input->dst_port) ||
	    (rule->src_port != input->src_port))
		return false;
	return true;
}

J
Jesse Brandeburg 已提交
2553
/**
2554 2555 2556 2557 2558
 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
 * @vsi: Pointer to the targeted VSI
 * @input: The filter to update or NULL to indicate deletion
 * @sw_idx: Software index to the filter
 * @cmd: The command to get or set Rx flow classification rules
J
Jesse Brandeburg 已提交
2559
 *
2560 2561 2562 2563
 * This function updates (or deletes) a Flow Director entry from
 * the hlist of the corresponding PF
 *
 * Returns 0 on success
J
Jesse Brandeburg 已提交
2564
 **/
2565 2566 2567 2568
static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
					  struct i40e_fdir_filter *input,
					  u16 sw_idx,
					  struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2569
{
2570
	struct i40e_fdir_filter *rule, *parent;
J
Jesse Brandeburg 已提交
2571
	struct i40e_pf *pf = vsi->back;
2572 2573
	struct hlist_node *node2;
	int err = -EINVAL;
J
Jesse Brandeburg 已提交
2574

2575 2576
	parent = NULL;
	rule = NULL;
J
Jesse Brandeburg 已提交
2577

2578 2579 2580 2581 2582 2583
	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		/* hash found, or no matching entry */
		if (rule->fd_id >= sw_idx)
			break;
		parent = rule;
J
Jesse Brandeburg 已提交
2584 2585
	}

2586 2587
	/* if there is an old rule occupying our place remove it */
	if (rule && (rule->fd_id == sw_idx)) {
2588 2589 2590 2591
		if (input && !i40e_match_fdir_input_set(rule, input))
			err = i40e_add_del_fdir(vsi, rule, false);
		else if (!input)
			err = i40e_add_del_fdir(vsi, rule, false);
2592 2593 2594
		hlist_del(&rule->fdir_node);
		kfree(rule);
		pf->fdir_pf_active_filters--;
2595 2596
	}

2597 2598 2599 2600 2601
	/* If no input this was a delete, err should be 0 if a rule was
	 * successfully found and removed from the list else -EINVAL
	 */
	if (!input)
		return err;
J
Jesse Brandeburg 已提交
2602

2603 2604
	/* initialize node and set software index */
	INIT_HLIST_NODE(&input->fdir_node);
J
Jesse Brandeburg 已提交
2605

2606 2607
	/* add filter to the list */
	if (parent)
2608
		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2609 2610 2611
	else
		hlist_add_head(&input->fdir_node,
			       &pf->fdir_filter_list);
J
Jesse Brandeburg 已提交
2612

2613 2614
	/* update counts */
	pf->fdir_pf_active_filters++;
J
Jesse Brandeburg 已提交
2615

2616
	return 0;
J
Jesse Brandeburg 已提交
2617 2618 2619
}

/**
2620 2621 2622
 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
 * @vsi: Pointer to the targeted VSI
 * @cmd: The command to get or set Rx flow classification rules
J
Jesse Brandeburg 已提交
2623
 *
2624 2625
 * The function removes a Flow Director filter entry from the
 * hlist of the corresponding PF
J
Jesse Brandeburg 已提交
2626
 *
2627 2628 2629 2630
 * Returns 0 on success
 */
static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
			       struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2631
{
2632 2633
	struct ethtool_rx_flow_spec *fsp =
		(struct ethtool_rx_flow_spec *)&cmd->fs;
J
Jesse Brandeburg 已提交
2634
	struct i40e_pf *pf = vsi->back;
2635
	int ret = 0;
J
Jesse Brandeburg 已提交
2636

2637 2638 2639 2640
	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		return -EBUSY;

2641 2642 2643
	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
		return -EBUSY;

2644
	ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
J
Jesse Brandeburg 已提交
2645

2646
	i40e_fdir_check_and_reenable(pf);
2647
	return ret;
J
Jesse Brandeburg 已提交
2648 2649 2650
}

/**
2651
 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
J
Jesse Brandeburg 已提交
2652 2653 2654
 * @vsi: pointer to the targeted VSI
 * @cmd: command to get or set RX flow classification rules
 *
2655 2656
 * Add Flow Director filters for a specific flow spec based on their
 * protocol.  Returns 0 if the filters were successfully added.
J
Jesse Brandeburg 已提交
2657
 **/
2658 2659
static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
				 struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2660
{
2661 2662
	struct ethtool_rx_flow_spec *fsp;
	struct i40e_fdir_filter *input;
J
Jesse Brandeburg 已提交
2663
	struct i40e_pf *pf;
2664
	int ret = -EINVAL;
2665
	u16 vf_id;
J
Jesse Brandeburg 已提交
2666 2667 2668 2669 2670

	if (!vsi)
		return -EINVAL;
	pf = vsi->back;

2671 2672 2673
	if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
		return -EOPNOTSUPP;

2674
	if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2675 2676
		return -ENOSPC;

2677 2678 2679 2680
	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		return -EBUSY;

2681 2682 2683
	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
		return -EBUSY;

2684 2685
	fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;

2686 2687
	if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
			      pf->hw.func_caps.fd_filters_guaranteed)) {
J
Jesse Brandeburg 已提交
2688
		return -EINVAL;
2689
	}
J
Jesse Brandeburg 已提交
2690

2691 2692
	if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
	    (fsp->ring_cookie >= vsi->num_queue_pairs))
2693
		return -EINVAL;
J
Jesse Brandeburg 已提交
2694

2695
	input = kzalloc(sizeof(*input), GFP_KERNEL);
J
Jesse Brandeburg 已提交
2696

2697 2698
	if (!input)
		return -ENOMEM;
J
Jesse Brandeburg 已提交
2699

2700 2701
	input->fd_id = fsp->location;

2702 2703 2704 2705 2706 2707
	if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
		input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
	else
		input->dest_ctl =
			     I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;

2708 2709 2710 2711 2712
	input->q_index = fsp->ring_cookie;
	input->flex_off = 0;
	input->pctype = 0;
	input->dest_vsi = vsi->id;
	input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2713
	input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2714 2715
	input->flow_type = fsp->flow_type;
	input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2716 2717 2718 2719 2720 2721 2722 2723

	/* Reverse the src and dest notion, since the HW expects them to be from
	 * Tx perspective where as the input from user is from Rx filter view.
	 */
	input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
	input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
	input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
	input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2724

2725
	if (ntohl(fsp->m_ext.data[1])) {
2726 2727 2728 2729
		vf_id = ntohl(fsp->h_ext.data[1]);
		if (vf_id >= pf->num_alloc_vfs) {
			netif_info(pf, drv, vsi->netdev,
				   "Invalid VF id %d\n", vf_id);
2730 2731 2732 2733 2734
			goto free_input;
		}
		/* Find vsi id from vf id and override dest vsi */
		input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
		if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2735 2736 2737
			netif_info(pf, drv, vsi->netdev,
				   "Invalid queue id %d for VF %d\n",
				   input->q_index, vf_id);
2738 2739 2740 2741
			goto free_input;
		}
	}

2742
	ret = i40e_add_del_fdir(vsi, input, true);
2743
free_input:
2744
	if (ret)
2745 2746
		kfree(input);
	else
2747
		i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
J
Jesse Brandeburg 已提交
2748 2749 2750

	return ret;
}
J
Jesse Brandeburg 已提交
2751

J
Jesse Brandeburg 已提交
2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770
/**
 * i40e_set_rxnfc - command to set RX flow classification rules
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the command is supported.
 **/
static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int ret = -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_SRXFH:
		ret = i40e_set_rss_hash_opt(pf, cmd);
		break;
	case ETHTOOL_SRXCLSRLINS:
2771
		ret = i40e_add_fdir_ethtool(vsi, cmd);
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2772 2773
		break;
	case ETHTOOL_SRXCLSRLDEL:
2774
		ret = i40e_del_fdir_entry(vsi, cmd);
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2775 2776 2777 2778 2779 2780 2781 2782
		break;
	default:
		break;
	}

	return ret;
}

2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813
/**
 * i40e_max_channels - get Max number of combined channels supported
 * @vsi: vsi pointer
 **/
static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
{
	/* TODO: This code assumes DCB and FD is disabled for now. */
	return vsi->alloc_queue_pairs;
}

/**
 * i40e_get_channels - Get the current channels enabled and max supported etc.
 * @netdev: network interface device structure
 * @ch: ethtool channels structure
 *
 * We don't support separate tx and rx queues as channels. The other count
 * represents how many queues are being used for control. max_combined counts
 * how many queue pairs we can support. They may not be mapped 1 to 1 with
 * q_vectors since we support a lot more queue pairs than q_vectors.
 **/
static void i40e_get_channels(struct net_device *dev,
			       struct ethtool_channels *ch)
{
	struct i40e_netdev_priv *np = netdev_priv(dev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;

	/* report maximum channels */
	ch->max_combined = i40e_max_channels(vsi);

	/* report info for other vector */
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	ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831
	ch->max_other = ch->other_count;

	/* Note: This code assumes DCB is disabled for now. */
	ch->combined_count = vsi->num_queue_pairs;
}

/**
 * i40e_set_channels - Set the new channels count.
 * @netdev: network interface device structure
 * @ch: ethtool channels structure
 *
 * The new channels count may not be the same as requested by the user
 * since it gets rounded down to a power of 2 value.
 **/
static int i40e_set_channels(struct net_device *dev,
			      struct ethtool_channels *ch)
{
2832
	const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2833 2834 2835 2836
	struct i40e_netdev_priv *np = netdev_priv(dev);
	unsigned int count = ch->combined_count;
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
2837 2838
	struct i40e_fdir_filter *rule;
	struct hlist_node *node2;
2839
	int new_count;
2840
	int err = 0;
2841 2842 2843 2844 2845 2846 2847 2848 2849 2850

	/* We do not support setting channels for any other VSI at present */
	if (vsi->type != I40E_VSI_MAIN)
		return -EINVAL;

	/* verify they are not requesting separate vectors */
	if (!count || ch->rx_count || ch->tx_count)
		return -EINVAL;

	/* verify other_count has not changed */
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	if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2852 2853 2854 2855 2856 2857
		return -EINVAL;

	/* verify the number of channels does not exceed hardware limits */
	if (count > i40e_max_channels(vsi))
		return -EINVAL;

2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877
	/* verify that the number of channels does not invalidate any current
	 * flow director rules
	 */
	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		if (rule->dest_ctl != drop && count <= rule->q_index) {
			dev_warn(&pf->pdev->dev,
				 "Existing user defined filter %d assigns flow to queue %d\n",
				 rule->fd_id, rule->q_index);
			err = -EINVAL;
		}
	}

	if (err) {
		dev_err(&pf->pdev->dev,
			"Existing filter rules must be deleted to reduce combined channel count to %d\n",
			count);
		return err;
	}

2878 2879 2880 2881 2882 2883 2884
	/* update feature limits from largest to smallest supported values */
	/* TODO: Flow director limit, DCB etc */

	/* use rss_reconfig to rebuild with new queue count and update traffic
	 * class queue mapping
	 */
	new_count = i40e_reconfig_rss_queues(pf, count);
2885
	if (new_count > 0)
2886 2887 2888 2889 2890
		return 0;
	else
		return -EINVAL;
}

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2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917
/**
 * i40e_get_rxfh_key_size - get the RSS hash key size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 **/
static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
{
	return I40E_HKEY_ARRAY_SIZE;
}

/**
 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 **/
static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
{
	return I40E_HLUT_ARRAY_SIZE;
}

static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
			 u8 *hfunc)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
2918 2919 2920
	u8 *lut, *seed = NULL;
	int ret;
	u16 i;
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	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

	if (!indir)
		return 0;

2928 2929 2930 2931 2932 2933 2934 2935 2936
	seed = key;
	lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
	if (!lut)
		return -ENOMEM;
	ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
	if (ret)
		goto out;
	for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
		indir[i] = (u32)(lut[i]);
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2938 2939 2940 2941
out:
	kfree(lut);

	return ret;
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}

/**
 * i40e_set_rxfh - set the rx flow hash indirection table
 * @netdev: network interface device structure
 * @indir: indirection table
 * @key: hash key
 *
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 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
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 * returns 0 after programming the table.
 **/
static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
			 const u8 *key, const u8 hfunc)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
2958
	struct i40e_pf *pf = vsi->back;
2959
	u8 *seed = NULL;
2960
	u16 i;
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	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
		return -EOPNOTSUPP;

	if (key) {
2966 2967 2968 2969 2970 2971 2972 2973
		if (!vsi->rss_hkey_user) {
			vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
						     GFP_KERNEL);
			if (!vsi->rss_hkey_user)
				return -ENOMEM;
		}
		memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
		seed = vsi->rss_hkey_user;
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2974
	}
2975 2976 2977 2978 2979 2980 2981
	if (!vsi->rss_lut_user) {
		vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
		if (!vsi->rss_lut_user)
			return -ENOMEM;
	}

	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
2982 2983 2984 2985 2986 2987
	if (indir)
		for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
			vsi->rss_lut_user[i] = (u8)(indir[i]);
	else
		i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
				  vsi->rss_size);
2988

2989 2990
	return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
			       I40E_HLUT_ARRAY_SIZE);
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}

2993 2994 2995 2996 2997 2998 2999 3000 3001 3002
/**
 * i40e_get_priv_flags - report device private flags
 * @dev: network interface device structure
 *
 * The get string set count and the string set should be matched for each
 * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
 * array.
 *
 * Returns a u32 bitmap of flags.
 **/
3003
static u32 i40e_get_priv_flags(struct net_device *dev)
3004 3005 3006 3007 3008 3009
{
	struct i40e_netdev_priv *np = netdev_priv(dev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	u32 ret_flags = 0;

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	ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
		I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
3012 3013
	ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
		I40E_PRIV_FLAGS_FD_ATR : 0;
3014 3015
	ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
		I40E_PRIV_FLAGS_VEB_STATS : 0;
3016 3017
	ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
		0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
3018 3019 3020 3021
	if (pf->hw.pf_id == 0) {
		ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
			I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
	}
3022 3023 3024 3025

	return ret_flags;
}

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/**
 * i40e_set_priv_flags - set private flags
 * @dev: network interface device structure
 * @flags: bit flags to be set
 **/
static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
{
	struct i40e_netdev_priv *np = netdev_priv(dev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
3036
	u16 sw_flags = 0, valid_flags = 0;
3037
	bool reset_required = false;
3038 3039
	bool promisc_change = false;
	int ret;
3040 3041 3042

	/* NOTE: MFP is not settable */

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3043 3044 3045 3046 3047
	if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
		pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
	else
		pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;

3048 3049 3050 3051 3052 3053 3054 3055 3056
	/* allow the user to control the state of the Flow
	 * Director ATR (Application Targeted Routing) feature
	 * of the driver
	 */
	if (flags & I40E_PRIV_FLAGS_FD_ATR) {
		pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
	} else {
		pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
		pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
3057 3058 3059

		/* flush current ATR settings */
		set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state);
3060 3061
	}

3062 3063
	if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
	    !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3064
		pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
3065 3066 3067
		reset_required = true;
	} else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
		   (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3068
		pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
3069 3070
		reset_required = true;
	}
3071

3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098
	if (pf->hw.pf_id == 0) {
		if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
		    !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
			pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT;
			promisc_change = true;
		} else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
			   (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
			pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT;
			promisc_change = true;
		}
	}
	if (promisc_change) {
		if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
			sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
		valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
		ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
						NULL);
		if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
			dev_info(&pf->pdev->dev,
				 "couldn't set switch config bits, err %s aq_err %s\n",
				 i40e_stat_str(&pf->hw, ret),
				 i40e_aq_str(&pf->hw,
					     pf->hw.aq.asq_last_status));
			/* not a fatal problem, just keep going */
		}
	}

3099 3100 3101 3102 3103 3104
	if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) &&
	    (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE))
		pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE;
	else
		pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE;

3105 3106 3107 3108
	/* if needed, issue reset to cause things to take effect */
	if (reset_required)
		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));

S
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3109 3110 3111
	return 0;
}

J
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3112 3113
static const struct ethtool_ops i40e_ethtool_ops = {
	.get_settings		= i40e_get_settings,
3114
	.set_settings		= i40e_set_settings,
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3115 3116 3117 3118 3119 3120
	.get_drvinfo		= i40e_get_drvinfo,
	.get_regs_len		= i40e_get_regs_len,
	.get_regs		= i40e_get_regs,
	.nway_reset		= i40e_nway_reset,
	.get_link		= ethtool_op_get_link,
	.get_wol		= i40e_get_wol,
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3121
	.set_wol		= i40e_set_wol,
3122
	.set_eeprom		= i40e_set_eeprom,
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3123 3124 3125 3126 3127
	.get_eeprom_len		= i40e_get_eeprom_len,
	.get_eeprom		= i40e_get_eeprom,
	.get_ringparam		= i40e_get_ringparam,
	.set_ringparam		= i40e_set_ringparam,
	.get_pauseparam		= i40e_get_pauseparam,
3128
	.set_pauseparam		= i40e_set_pauseparam,
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3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139
	.get_msglevel		= i40e_get_msglevel,
	.set_msglevel		= i40e_set_msglevel,
	.get_rxnfc		= i40e_get_rxnfc,
	.set_rxnfc		= i40e_set_rxnfc,
	.self_test		= i40e_diag_test,
	.get_strings		= i40e_get_strings,
	.set_phys_id		= i40e_set_phys_id,
	.get_sset_count		= i40e_get_sset_count,
	.get_ethtool_stats	= i40e_get_ethtool_stats,
	.get_coalesce		= i40e_get_coalesce,
	.set_coalesce		= i40e_set_coalesce,
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3140 3141 3142 3143
	.get_rxfh_key_size	= i40e_get_rxfh_key_size,
	.get_rxfh_indir_size	= i40e_get_rxfh_indir_size,
	.get_rxfh		= i40e_get_rxfh,
	.set_rxfh		= i40e_set_rxfh,
3144 3145
	.get_channels		= i40e_get_channels,
	.set_channels		= i40e_set_channels,
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3146
	.get_ts_info		= i40e_get_ts_info,
3147
	.get_priv_flags		= i40e_get_priv_flags,
S
Shannon Nelson 已提交
3148
	.set_priv_flags		= i40e_set_priv_flags,
3149
	.get_per_queue_coalesce	= i40e_get_per_queue_coalesce,
3150
	.set_per_queue_coalesce	= i40e_set_per_queue_coalesce,
J
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3151 3152 3153 3154
};

void i40e_set_ethtool_ops(struct net_device *netdev)
{
3155
	netdev->ethtool_ops = &i40e_ethtool_ops;
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3156
}