i40e_ethtool.c 89.0 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.
 */
static struct i40e_stats i40e_gstrings_stats[] = {
	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_LOOPBACK,
	I40E_ETH_TEST_LINK,
};

static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)",
	"Eeprom test    (offline)",
	"Interrupt test (offline)",
	"Loopback 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_gl[][ETH_GSTRING_LEN] = {
	"MFP",
	"LinkPolling",
	"flow-director-atr",
	"veb-stats",
	"hw-atr-eviction",
	"vf-true-promisc-support",
};

#define I40E_PRIV_FLAGS_GL_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings_gl)

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

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#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_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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/**
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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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	/* 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;
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	case I40E_PHY_TYPE_10GBASE_SR:
	case I40E_PHY_TYPE_10GBASE_LR:
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	case I40E_PHY_TYPE_1000BASE_SX:
	case I40E_PHY_TYPE_1000BASE_LX:
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		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;
		}
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		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			ecmd->advertising |= ADVERTISED_10000baseT_Full;
		break;
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	case I40E_PHY_TYPE_10GBASE_T:
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	case I40E_PHY_TYPE_1000BASE_T:
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		ecmd->supported = SUPPORTED_Autoneg |
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				  SUPPORTED_10000baseT_Full |
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				  SUPPORTED_1000baseT_Full;
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		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;
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		/* adding 100baseT support for 10GBASET_PHY */
		if (pf->flags & I40E_FLAG_HAVE_10GBASET_PHY) {
			ecmd->supported |= SUPPORTED_100baseT_Full;
			ecmd->advertising |= ADVERTISED_100baseT_Full |
					     ADVERTISED_1000baseT_Full |
					     ADVERTISED_10000baseT_Full;
		}
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		break;
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	case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_1000baseT_Full;
		ecmd->advertising = ADVERTISED_Autoneg |
				    ADVERTISED_1000baseT_Full;
		break;
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	case I40E_PHY_TYPE_100BASE_TX:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_100baseT_Full;
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		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
			ecmd->advertising |= ADVERTISED_100baseT_Full;
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		/* firmware detects 10G phy as 100M phy at 100M speed */
		if (pf->flags & I40E_FLAG_HAVE_10GBASET_PHY) {
			ecmd->supported |= SUPPORTED_10000baseT_Full |
					   SUPPORTED_1000baseT_Full;
			ecmd->advertising |= ADVERTISED_Autoneg |
					     ADVERTISED_100baseT_Full |
					     ADVERTISED_1000baseT_Full |
					     ADVERTISED_10000baseT_Full;
		}
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		break;
	case I40E_PHY_TYPE_10GBASE_CR1_CU:
	case I40E_PHY_TYPE_10GBASE_CR1:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_10000baseT_Full;
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		ecmd->advertising = ADVERTISED_Autoneg |
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				    ADVERTISED_10000baseT_Full;
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		break;
	case I40E_PHY_TYPE_XAUI:
	case I40E_PHY_TYPE_XFI:
	case I40E_PHY_TYPE_SFI:
	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
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	case I40E_PHY_TYPE_10GBASE_AOC:
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		ecmd->supported = SUPPORTED_10000baseT_Full;
		break;
	case I40E_PHY_TYPE_SGMII:
		ecmd->supported = SUPPORTED_Autoneg |
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				  SUPPORTED_1000baseT_Full;
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		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			ecmd->advertising |= ADVERTISED_1000baseT_Full;
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		if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
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			ecmd->supported |= SUPPORTED_100baseT_Full;
			if (hw_link_info->requested_speeds &
			    I40E_LINK_SPEED_100MB)
				ecmd->advertising |= ADVERTISED_100baseT_Full;
		}
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		break;
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	/* Backplane is set based on supported phy types in get_settings
	 * so don't set anything here but don't warn either
	 */
	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:
		break;
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	default:
		/* if we got here and link is up something bad is afoot */
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		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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	}

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	/* Set speed and duplex */
	switch (link_speed) {
	case I40E_LINK_SPEED_40GB:
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		ethtool_cmd_speed_set(ecmd, SPEED_40000);
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		break;
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	case I40E_LINK_SPEED_20GB:
		ethtool_cmd_speed_set(ecmd, SPEED_20000);
		break;
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	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,
427 428
					struct ethtool_cmd *ecmd,
					struct i40e_pf *pf)
429
{
430
	enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types;
431 432

	/* link is down and the driver needs to fall back on
433
	 * supported phy types to figure out what info to display
434
	 */
435 436 437 438
	ecmd->supported = 0x0;
	ecmd->advertising = 0x0;
	if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
		ecmd->supported |= SUPPORTED_Autoneg |
439
				   SUPPORTED_1000baseT_Full;
440
		ecmd->advertising |= ADVERTISED_Autoneg |
441 442 443 444
				     ADVERTISED_1000baseT_Full;
		if (pf->hw.mac.type == I40E_MAC_X722) {
			ecmd->supported |= SUPPORTED_100baseT_Full;
			ecmd->advertising |= ADVERTISED_100baseT_Full;
445 446 447 448
			if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
				ecmd->supported |= SUPPORTED_100baseT_Full;
				ecmd->advertising |= ADVERTISED_100baseT_Full;
			}
449
		}
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	}
	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)
		ecmd->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) {
		ecmd->supported |= SUPPORTED_Autoneg |
				   SUPPORTED_10000baseT_Full;
		ecmd->advertising |= ADVERTISED_Autoneg |
				     ADVERTISED_10000baseT_Full;
	}
	if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
	    phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
	    phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
		ecmd->supported |= SUPPORTED_40000baseCR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
		ecmd->supported |= SUPPORTED_Autoneg |
				  SUPPORTED_40000baseCR4_Full;
		ecmd->advertising |= ADVERTISED_Autoneg |
				    ADVERTISED_40000baseCR4_Full;
477
	}
478 479
	if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) &&
	    !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) {
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		ecmd->supported |= SUPPORTED_Autoneg |
				   SUPPORTED_100baseT_Full;
		ecmd->advertising |= ADVERTISED_Autoneg |
				     ADVERTISED_100baseT_Full;
	}
	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) {
		ecmd->supported |= SUPPORTED_Autoneg |
				   SUPPORTED_1000baseT_Full;
		ecmd->advertising |= ADVERTISED_Autoneg |
				     ADVERTISED_1000baseT_Full;
	}
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
		ecmd->supported |= SUPPORTED_40000baseSR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
		ecmd->supported |= SUPPORTED_40000baseLR4_Full;
498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520

	/* 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)
521
		i40e_get_settings_link_up(hw, ecmd, netdev, pf);
522
	else
523
		i40e_get_settings_link_down(hw, ecmd, pf);
524 525 526

	/* Now set the settings that don't rely on link being up/down */

527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557
	/* For backplane, supported and advertised are only reliant on the
	 * phy types the NVM specifies are supported.
	 */
	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) {
		ecmd->supported = SUPPORTED_Autoneg;
		ecmd->advertising = ADVERTISED_Autoneg;
		if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
			ecmd->supported |= SUPPORTED_40000baseKR4_Full;
			ecmd->advertising |= ADVERTISED_40000baseKR4_Full;
		}
		if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
			ecmd->supported |= SUPPORTED_20000baseKR2_Full;
			ecmd->advertising |= ADVERTISED_20000baseKR2_Full;
		}
		if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
			ecmd->supported |= SUPPORTED_10000baseKR_Full;
			ecmd->advertising |= ADVERTISED_10000baseKR_Full;
		}
		if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
			ecmd->supported |= SUPPORTED_10000baseKX4_Full;
			ecmd->advertising |= ADVERTISED_10000baseKX4_Full;
		}
		if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
			ecmd->supported |= SUPPORTED_1000baseKX_Full;
			ecmd->advertising |= ADVERTISED_1000baseKX_Full;
		}
	}

558
	/* Set autoneg settings */
559 560
	ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
			  AUTONEG_ENABLE : AUTONEG_DISABLE);
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562 563
	switch (hw->phy.media_type) {
	case I40E_MEDIA_TYPE_BACKPLANE:
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		ecmd->supported |= SUPPORTED_Autoneg |
				   SUPPORTED_Backplane;
		ecmd->advertising |= ADVERTISED_Autoneg |
				     ADVERTISED_Backplane;
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		ecmd->port = PORT_NONE;
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		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:
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		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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	}

591
	/* Set transceiver */
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	ecmd->transceiver = XCVR_EXTERNAL;

594
	/* Set flow control settings */
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	ecmd->supported |= SUPPORTED_Pause;

597
	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;
}

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/**
 * 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;

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	/* 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;
	}

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	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 &&
653 654
	    hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
	    hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
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		return -EOPNOTSUPP;

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	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;
	}

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	/* 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;

693
	/* Copy abilities to config in case autoneg is not
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	 * 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)) {
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			/* 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 */
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			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) {
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			/* 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 &
727 728 729 730 731 732 733 734 735
					   ~I40E_AQ_PHY_ENABLE_AN;
			change = true;
		}
	}

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

	if (advertise & ADVERTISED_100baseT_Full)
736
		config.link_speed |= I40E_LINK_SPEED_100MB;
737 738
	if (advertise & ADVERTISED_1000baseT_Full ||
	    advertise & ADVERTISED_1000baseKX_Full)
739
		config.link_speed |= I40E_LINK_SPEED_1GB;
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	if (advertise & ADVERTISED_10000baseT_Full ||
	    advertise & ADVERTISED_10000baseKX4_Full ||
	    advertise & ADVERTISED_10000baseKR_Full)
743
		config.link_speed |= I40E_LINK_SPEED_10GB;
744 745
	if (advertise & ADVERTISED_20000baseKR2_Full)
		config.link_speed |= I40E_LINK_SPEED_20GB;
746 747 748 749
	if (advertise & ADVERTISED_40000baseKR4_Full ||
	    advertise & ADVERTISED_40000baseCR4_Full ||
	    advertise & ADVERTISED_40000baseSR4_Full ||
	    advertise & ADVERTISED_40000baseLR4_Full)
750
		config.link_speed |= I40E_LINK_SPEED_40GB;
751

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	/* 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;

759
	if (change || (abilities.link_speed != config.link_speed)) {
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		/* 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;

766 767
		/* save the requested speeds */
		hw->phy.link_info.requested_speeds = config.link_speed;
768 769 770 771 772 773 774
		/* 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);
776 777 778
			netif_carrier_off(netdev);
			netif_tx_stop_all_queues(netdev);
		}
779 780 781 782

		/* make the aq call */
		status = i40e_aq_set_phy_config(hw, &config, NULL);
		if (status) {
783 784 785
			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));
786 787 788
			return -EAGAIN;
		}

789
		status = i40e_update_link_info(hw);
790
		if (status)
791 792 793
			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));
794 795 796 797 798 799 800 801

	} 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) {
813 814 815
		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;
833
	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);

839 840 841 842 843 844 845
	/* PFC enabled so report LFC as off */
	if (dcbx_cfg->pfc.pfcenable) {
		pause->rx_pause = 0;
		pause->tx_pause = 0;
		return;
	}

846
	if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
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		pause->rx_pause = 1;
848
	} else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
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		pause->tx_pause = 1;
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	} else if (hw->fc.current_mode == I40E_FC_FULL) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
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}

856 857 858 859 860 861 862 863 864 865 866 867 868
/**
 * 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;
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	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
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	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
	i40e_status status;
	u8 aq_failures;
873
	int err = 0;
874

875 876 877 878 879 880 881 882
	/* 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;
	}

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	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");
	}

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	if (dcbx_cfg->pfc.pfcenable) {
		netdev_info(netdev,
			    "Priority flow control enabled. Cannot set link flow control.\n");
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		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;

916 917 918
	/* 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
919
	i40e_print_link_message(vsi, false);
920 921 922
	netif_carrier_off(netdev);
	netif_tx_stop_all_queues(netdev);

923 924 925 926
	/* 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) {
927 928 929
		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));
930 931 932
		err = -EAGAIN;
	}
	if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
933 934 935
		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));
936 937 938
		err = -EAGAIN;
	}
	if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
939 940 941
		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));
942 943 944
		err = -EAGAIN;
	}

945 946 947 948 949 950
	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);
	}
951 952 953 954

	return err;
}

J
Jesse Brandeburg 已提交
955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019
static u32 i40e_get_msglevel(struct net_device *netdev)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;

	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;
	pf->msg_enable = data;
}

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;
1020
	struct i40e_pf *pf = np->vsi->back;
1021
	int ret_val = 0, len, offset;
1022 1023 1024
	u8 *eeprom_buff;
	u16 i, sectors;
	bool last;
1025 1026
	u32 magic;

1027
#define I40E_NVM_SECTOR_SIZE  4096
J
Jesse Brandeburg 已提交
1028 1029 1030
	if (eeprom->len == 0)
		return -EINVAL;

1031 1032 1033
	/* check for NVMUpdate access method */
	magic = hw->vendor_id | (hw->device_id << 16);
	if (eeprom->magic && eeprom->magic != magic) {
1034 1035
		struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
		int errno = 0;
1036 1037 1038

		/* make sure it is the right magic for NVMUpdate */
		if ((eeprom->magic >> 16) != hw->device_id)
1039 1040 1041 1042 1043 1044 1045 1046
			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))
1047
			dev_info(&pf->pdev->dev,
1048 1049 1050 1051
				 "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);
1052 1053 1054 1055 1056

		return errno;
	}

	/* normal ethtool get_eeprom support */
J
Jesse Brandeburg 已提交
1057 1058
	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

1059
	eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
J
Jesse Brandeburg 已提交
1060 1061 1062
	if (!eeprom_buff)
		return -ENOMEM;

1063 1064 1065 1066 1067 1068
	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
1069 1070
	}

1071 1072 1073 1074 1075 1076 1077 1078 1079
	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;
		}
1080 1081
		offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
		ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1082
				(u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1083
				last, NULL);
1084
		if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1085
			dev_info(&pf->pdev->dev,
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099
				 "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;
1100 1101
		}
	}
J
Jesse Brandeburg 已提交
1102

1103
	i40e_release_nvm(hw);
1104
	memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1105
free_buff:
J
Jesse Brandeburg 已提交
1106 1107 1108 1109 1110 1111 1112 1113
	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;
1114 1115 1116 1117 1118 1119
	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. */
1120
	val = (64 * 1024) * BIT(val);
1121
	return val;
J
Jesse Brandeburg 已提交
1122 1123
}

1124 1125 1126 1127 1128 1129
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;
1130
	struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1131
	int ret_val = 0;
1132
	int errno = 0;
1133 1134 1135 1136 1137
	u32 magic;

	/* normal ethtool set_eeprom is not supported */
	magic = hw->vendor_id | (hw->device_id << 16);
	if (eeprom->magic == magic)
1138
		errno = -EOPNOTSUPP;
1139
	/* check for NVMUpdate access method */
1140 1141 1142 1143 1144 1145 1146
	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);
1147

1148
	if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1149
		dev_info(&pf->pdev->dev,
1150 1151 1152 1153
			 "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);
1154 1155 1156 1157

	return errno;
}

J
Jesse Brandeburg 已提交
1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
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));
1168
	strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
J
Jesse Brandeburg 已提交
1169 1170 1171
		sizeof(drvinfo->fw_version));
	strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
		sizeof(drvinfo->bus_info));
1172 1173 1174 1175
	if (pf->hw.pf_id == 0)
		drvinfo->n_priv_flags = I40E_PRIV_FLAGS_GL_STR_LEN;
	else
		drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
J
Jesse Brandeburg 已提交
1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
}

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;
1189 1190
	ring->rx_pending = vsi->rx_rings[0]->count;
	ring->tx_pending = vsi->tx_rings[0]->count;
J
Jesse Brandeburg 已提交
1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207
	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);
	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;

1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
	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
1221 1222

	/* if nothing to do return success */
1223 1224
	if ((new_tx_count == vsi->tx_rings[0]->count) &&
	    (new_rx_count == vsi->rx_rings[0]->count))
J
Jesse Brandeburg 已提交
1225 1226 1227 1228 1229 1230 1231 1232
		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++) {
1233 1234
			vsi->tx_rings[i]->count = new_tx_count;
			vsi->rx_rings[i]->count = new_rx_count;
J
Jesse Brandeburg 已提交
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
		}
		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 */
1245
	if (new_tx_count != vsi->tx_rings[0]->count) {
J
Jesse Brandeburg 已提交
1246 1247
		netdev_info(netdev,
			    "Changing Tx descriptor count from %d to %d.\n",
1248
			    vsi->tx_rings[0]->count, new_tx_count);
J
Jesse Brandeburg 已提交
1249 1250 1251 1252 1253 1254 1255 1256 1257
		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 */
1258
			tx_rings[i] = *vsi->tx_rings[i];
J
Jesse Brandeburg 已提交
1259
			tx_rings[i].count = new_tx_count;
J
Jesse Brandeburg 已提交
1260 1261 1262 1263 1264
			/* 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
1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
			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 */
1280
	if (new_rx_count != vsi->rx_rings[0]->count) {
J
Jesse Brandeburg 已提交
1281 1282
		netdev_info(netdev,
			    "Changing Rx descriptor count from %d to %d\n",
1283
			    vsi->rx_rings[0]->count, new_rx_count);
J
Jesse Brandeburg 已提交
1284 1285 1286 1287 1288 1289 1290 1291
		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++) {
1292 1293 1294 1295 1296 1297 1298
			/* this is to allow wr32 to have something to write to
			 * during early allocation of Rx buffers
			 */
			u32 __iomem faketail = 0;
			struct i40e_ring *ring;
			u16 unused;

J
Jesse Brandeburg 已提交
1299
			/* clone ring and setup updated count */
1300
			rx_rings[i] = *vsi->rx_rings[i];
J
Jesse Brandeburg 已提交
1301
			rx_rings[i].count = new_rx_count;
J
Jesse Brandeburg 已提交
1302 1303 1304 1305 1306
			/* the desc and bi pointers will be reallocated in the
			 * setup call
			 */
			rx_rings[i].desc = NULL;
			rx_rings[i].rx_bi = NULL;
1307
			rx_rings[i].tail = (u8 __iomem *)&faketail;
J
Jesse Brandeburg 已提交
1308
			err = i40e_setup_rx_descriptors(&rx_rings[i]);
1309 1310 1311 1312 1313 1314 1315 1316 1317 1318
			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
1319
			if (err) {
1320
				do {
J
Jesse Brandeburg 已提交
1321
					i40e_free_rx_resources(&rx_rings[i]);
1322
				} while (i--);
J
Jesse Brandeburg 已提交
1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337
				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++) {
1338 1339
			i40e_free_tx_resources(vsi->tx_rings[i]);
			*vsi->tx_rings[i] = tx_rings[i];
J
Jesse Brandeburg 已提交
1340 1341 1342 1343 1344 1345 1346
		}
		kfree(tx_rings);
		tx_rings = NULL;
	}

	if (rx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1347
			i40e_free_rx_resources(vsi->rx_rings[i]);
1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358
			/* 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 */
1359
			*vsi->rx_rings[i] = rx_rings[i];
J
Jesse Brandeburg 已提交
1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391
		}
		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:
1392
		if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
S
Shannon Nelson 已提交
1393 1394
			int len = I40E_PF_STATS_LEN(netdev);

1395 1396
			if ((pf->lan_veb != I40E_NO_VEB) &&
			    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1397
				len += I40E_VEB_STATS_TOTAL;
S
Shannon Nelson 已提交
1398 1399
			return len;
		} else {
J
Jesse Brandeburg 已提交
1400
			return I40E_VSI_STATS_LEN(netdev);
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		}
1402
	case ETH_SS_PRIV_FLAGS:
1403 1404 1405 1406
		if (pf->hw.pf_id == 0)
			return I40E_PRIV_FLAGS_GL_STR_LEN;
		else
			return I40E_PRIV_FLAGS_STR_LEN;
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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);
1416
	struct i40e_ring *tx_ring, *rx_ring;
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	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);
1423
	unsigned int start;
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	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;
	}
1432 1433 1434 1435 1436
	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;
	}
1437 1438 1439 1440 1441 1442 1443
#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
1444
	rcu_read_lock();
1445
	for (j = 0; j < vsi->num_queue_pairs; j++) {
1446
		tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1447 1448 1449 1450 1451 1452

		if (!tx_ring)
			continue;

		/* process Tx ring statistics */
		do {
1453
			start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1454 1455
			data[i] = tx_ring->stats.packets;
			data[i + 1] = tx_ring->stats.bytes;
1456
		} while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1457
		i += 2;
1458 1459 1460 1461

		/* Rx ring is the 2nd half of the queue pair */
		rx_ring = &tx_ring[1];
		do {
1462
			start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1463 1464
			data[i] = rx_ring->stats.packets;
			data[i + 1] = rx_ring->stats.bytes;
1465
		} while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1466
		i += 2;
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	}
1468
	rcu_read_unlock();
1469
	if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
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		return;

1472 1473
	if ((pf->lan_veb != I40E_NO_VEB) &&
	    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
S
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		struct i40e_veb *veb = pf->veb[pf->lan_veb];
J
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		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;
J
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		}
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		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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	}
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	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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}

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;
		}
1528 1529 1530 1531 1532
		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;
		}
1533 1534 1535 1536 1537 1538 1539
#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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1540 1541 1542 1543 1544 1545 1546 1547 1548 1549
		for (i = 0; i < vsi->num_queue_pairs; i++) {
			snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
			p += ETH_GSTRING_LEN;
		}
1550
		if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
S
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1551 1552
			return;

1553 1554
		if ((pf->lan_veb != I40E_NO_VEB) &&
		    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
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			for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
				snprintf(p, ETH_GSTRING_LEN, "veb.%s",
					i40e_gstrings_veb_stats[i].stat_string);
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1558 1559
				p += ETH_GSTRING_LEN;
			}
1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				snprintf(p, ETH_GSTRING_LEN,
					 "veb.tc_%u_tx_packets", i);
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
					 "veb.tc_%u_tx_bytes", i);
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
					 "veb.tc_%u_rx_packets", i);
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
					 "veb.tc_%u_rx_bytes", i);
				p += ETH_GSTRING_LEN;
			}
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		}
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1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600
		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,
				 "port.tx_priority_%u_xon", i);
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
				 "port.tx_priority_%u_xoff", i);
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
				 "port.rx_priority_%u_xon", i);
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
				 "port.rx_priority_%u_xoff", i);
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
				 "port.rx_priority_%u_xon_2_xoff", i);
			p += ETH_GSTRING_LEN;
		}
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Jesse Brandeburg 已提交
1601 1602
		/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
		break;
1603
	case ETH_SS_PRIV_FLAGS:
1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615
		if (pf->hw.pf_id == 0) {
			for (i = 0; i < I40E_PRIV_FLAGS_GL_STR_LEN; i++) {
				memcpy(data, i40e_priv_flags_strings_gl[i],
				       ETH_GSTRING_LEN);
				data += ETH_GSTRING_LEN;
			}
		} else {
			for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
				memcpy(data, i40e_priv_flags_strings[i],
				       ETH_GSTRING_LEN);
				data += ETH_GSTRING_LEN;
			}
1616 1617
		}
		break;
1618 1619
	default:
		break;
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1620 1621 1622 1623 1624 1625
	}
}

static int i40e_get_ts_info(struct net_device *dev,
			    struct ethtool_ts_info *info)
{
J
Jacob Keller 已提交
1626 1627
	struct i40e_pf *pf = i40e_netdev_to_pf(dev);

1628 1629 1630 1631
	/* 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
1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643
	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;

1644
	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
J
Jacob Keller 已提交
1645

1646 1647 1648
	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
1649 1650

	return 0;
J
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1651 1652
}

S
Shannon Nelson 已提交
1653
static int i40e_link_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1654
{
S
Shannon Nelson 已提交
1655 1656
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
1657 1658
	i40e_status status;
	bool link_up = false;
S
Shannon Nelson 已提交
1659

S
Shannon Nelson 已提交
1660
	netif_info(pf, hw, netdev, "link test\n");
1661 1662 1663 1664 1665 1666 1667 1668
	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
1669 1670 1671 1672 1673 1674 1675
		*data = 0;
	else
		*data = 1;

	return *data;
}

S
Shannon Nelson 已提交
1676
static int i40e_reg_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1677
{
S
Shannon Nelson 已提交
1678 1679
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
J
Jesse Brandeburg 已提交
1680

S
Shannon Nelson 已提交
1681
	netif_info(pf, hw, netdev, "register test\n");
S
Shannon Nelson 已提交
1682
	*data = i40e_diag_reg_test(&pf->hw);
J
Jesse Brandeburg 已提交
1683

S
Shannon Nelson 已提交
1684
	return *data;
J
Jesse Brandeburg 已提交
1685 1686
}

S
Shannon Nelson 已提交
1687
static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1688
{
S
Shannon Nelson 已提交
1689 1690
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
J
Jesse Brandeburg 已提交
1691

S
Shannon Nelson 已提交
1692
	netif_info(pf, hw, netdev, "eeprom test\n");
S
Shannon Nelson 已提交
1693
	*data = i40e_diag_eeprom_test(&pf->hw);
J
Jesse Brandeburg 已提交
1694

1695 1696 1697
	/* forcebly clear the NVM Update state machine */
	pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;

S
Shannon Nelson 已提交
1698
	return *data;
J
Jesse Brandeburg 已提交
1699 1700
}

S
Shannon Nelson 已提交
1701
static int i40e_intr_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1702
{
S
Shannon Nelson 已提交
1703 1704
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
S
Shannon Nelson 已提交
1705 1706
	u16 swc_old = pf->sw_int_count;

S
Shannon Nelson 已提交
1707
	netif_info(pf, hw, netdev, "interrupt test\n");
S
Shannon Nelson 已提交
1708 1709
	wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
	     (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1710 1711 1712 1713
	      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
1714 1715
	usleep_range(1000, 2000);
	*data = (swc_old == pf->sw_int_count);
J
Jesse Brandeburg 已提交
1716 1717 1718 1719

	return *data;
}

S
Shannon Nelson 已提交
1720
static int i40e_loopback_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1721
{
S
Shannon Nelson 已提交
1722 1723 1724 1725
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;

	netif_info(pf, hw, netdev, "loopback test not implemented\n");
S
Shannon Nelson 已提交
1726
	*data = 0;
J
Jesse Brandeburg 已提交
1727 1728 1729 1730

	return *data;
}

1731 1732 1733 1734 1735 1736
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
1737
		if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1738 1739 1740 1741
			return true;
	return false;
}

1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756
static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
{
	struct i40e_vsi **vsi = pf->vsi;
	int i;

	for (i = 0; i < pf->num_alloc_vsi; i++) {
		if (!vsi[i])
			continue;
		if (vsi[i]->type == I40E_VSI_VMDQ2)
			return true;
	}

	return false;
}

J
Jesse Brandeburg 已提交
1757 1758 1759 1760
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
1761
	bool if_running = netif_running(netdev);
J
Jesse Brandeburg 已提交
1762 1763 1764 1765
	struct i40e_pf *pf = np->vsi->back;

	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */
S
Shannon Nelson 已提交
1766
		netif_info(pf, drv, netdev, "offline testing starting\n");
J
Jesse Brandeburg 已提交
1767

1768
		set_bit(__I40E_TESTING, &pf->state);
1769

1770
		if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1771
			dev_warn(&pf->pdev->dev,
1772
				 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1773 1774 1775 1776 1777 1778 1779 1780 1781 1782
			data[I40E_ETH_TEST_REG]		= 1;
			data[I40E_ETH_TEST_EEPROM]	= 1;
			data[I40E_ETH_TEST_INTR]	= 1;
			data[I40E_ETH_TEST_LOOPBACK]	= 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
1783 1784 1785
		/* If the device is online then take it offline */
		if (if_running)
			/* indicate we're in test mode */
1786
			i40e_close(netdev);
G
Greg Rose 已提交
1787
		else
1788 1789 1790 1791 1792
			/* 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
			 */
1793
			i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1794

S
Shannon Nelson 已提交
1795
		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
J
Jesse Brandeburg 已提交
1796 1797
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1798
		if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
J
Jesse Brandeburg 已提交
1799 1800
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1801
		if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
J
Jesse Brandeburg 已提交
1802 1803
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1804
		if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
J
Jesse Brandeburg 已提交
1805 1806
			eth_test->flags |= ETH_TEST_FL_FAILED;

1807 1808 1809 1810 1811
		/* 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);
1812
		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
G
Greg Rose 已提交
1813 1814

		if (if_running)
1815
			i40e_open(netdev);
J
Jesse Brandeburg 已提交
1816 1817
	} else {
		/* Online tests */
S
Shannon Nelson 已提交
1818 1819
		netif_info(pf, drv, netdev, "online testing starting\n");

S
Shannon Nelson 已提交
1820
		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
J
Jesse Brandeburg 已提交
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			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;
		data[I40E_ETH_TEST_LOOPBACK] = 0;
	}
1829

1830 1831
skip_ol_tests:

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Shannon Nelson 已提交
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	netif_info(pf, drv, netdev, "testing finished\n");
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}

static void i40e_get_wol(struct net_device *netdev,
			 struct ethtool_wolinfo *wol)
{
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Shannon Nelson 已提交
1838 1839 1840 1841 1842 1843 1844
	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);
1845
	if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
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		wol->supported = 0;
		wol->wolopts = 0;
	} else {
		wol->supported = WAKE_MAGIC;
		wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
	}
}

1854 1855 1856 1857 1858
/**
 * i40e_set_wol - set the WakeOnLAN configuration
 * @netdev: the netdev in question
 * @wol: the ethtool WoL setting data
 **/
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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;
1863
	struct i40e_vsi *vsi = np->vsi;
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	struct i40e_hw *hw = &pf->hw;
	u16 wol_nvm_bits;

1867 1868 1869 1870 1871 1872 1873 1874 1875
	/* 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;

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	/* NVM bit on means WoL disabled for the port */
	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1878
	if (BIT(hw->port) & wol_nvm_bits)
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		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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	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);
1898
	i40e_status ret = 0;
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	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	int blink_freq = 2;
1902
	u16 temp_status;
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	switch (state) {
	case ETHTOOL_ID_ACTIVE:
1906 1907 1908
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
			pf->led_status = i40e_led_get(hw);
		} else {
1909
			i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1910 1911 1912 1913
			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:
1916 1917 1918 1919
		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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		break;
	case ETHTOOL_ID_OFF:
1922 1923 1924 1925
		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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		break;
	case ETHTOOL_ID_INACTIVE:
1928 1929 1930 1931 1932 1933 1934 1935
		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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		break;
1937 1938
	default:
		break;
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	}
1940 1941 1942 1943
		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)
 */

1951 1952 1953
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);
	struct i40e_vsi *vsi = np->vsi;

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

1961 1962 1963 1964 1965 1966 1967 1968 1969 1970
	/* 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;
	}

	if (ITR_IS_DYNAMIC(vsi->rx_rings[queue]->rx_itr_setting))
1971
		ec->use_adaptive_rx_coalesce = 1;
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1973
	if (ITR_IS_DYNAMIC(vsi->tx_rings[queue]->tx_itr_setting))
1974 1975
		ec->use_adaptive_tx_coalesce = 1;

1976 1977 1978
	ec->rx_coalesce_usecs = vsi->rx_rings[queue]->rx_itr_setting & ~I40E_ITR_DYNAMIC;
	ec->tx_coalesce_usecs = vsi->tx_rings[queue]->tx_itr_setting & ~I40E_ITR_DYNAMIC;

1979 1980 1981 1982 1983 1984 1985 1986
	/* 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;
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	return 0;
}

1991
static int i40e_get_coalesce(struct net_device *netdev,
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			     struct ethtool_coalesce *ec)
{
1994 1995 1996
	return __i40e_get_coalesce(netdev, ec, -1);
}

1997 1998 1999 2000 2001 2002
static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *ec)
{
	return __i40e_get_coalesce(netdev, ec, queue);
}

2003 2004 2005 2006 2007 2008
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;
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	struct i40e_q_vector *q_vector;
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045
	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);
}

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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	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;

2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063
	/* 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;
	}

2064
	if (ec->rx_coalesce_usecs == 0) {
2065
		if (ec->use_adaptive_rx_coalesce)
2066
			netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2067 2068 2069 2070
	} 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;
2071
	}
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Jesse Brandeburg 已提交
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2073 2074
	vsi->int_rate_limit = ec->rx_coalesce_usecs_high;

2075
	if (ec->tx_coalesce_usecs == 0) {
2076
		if (ec->use_adaptive_tx_coalesce)
2077
			netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2078 2079 2080 2081
	} 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;
2082
	}
2083

2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095
	/* 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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	}

	return 0;
}

2101 2102 2103 2104 2105 2106
static int i40e_set_coalesce(struct net_device *netdev,
			     struct ethtool_coalesce *ec)
{
	return __i40e_set_coalesce(netdev, ec, -1);
}

2107 2108 2109 2110 2111 2112
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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2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123
/**
 * 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)
{
	cmd->data = 0;

2124 2125 2126 2127 2128
	if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
		cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
		cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
		return 0;
	}
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2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159
	/* Report default options for RSS on i40e */
	switch (cmd->flow_type) {
	case TCP_V4_FLOW:
	case UDP_V4_FLOW:
		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
	/* fall through to add IP fields */
	case SCTP_V4_FLOW:
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case IPV4_FLOW:
		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
		break;
	case TCP_V6_FLOW:
	case UDP_V6_FLOW:
		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
	/* fall through to add IP fields */
	case SCTP_V6_FLOW:
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case IPV6_FLOW:
		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179
/**
 * 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 */
2180
	cmd->data = i40e_get_fd_cnt_all(pf);
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223

	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;
2224 2225 2226 2227 2228 2229
	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;
	}

2230 2231 2232 2233 2234 2235 2236
	/* 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];
2237 2238 2239 2240 2241

	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;
2242

2243 2244 2245 2246 2247 2248 2249 2250 2251 2252
	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);
		}
	}

2253 2254 2255
	return 0;
}

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Jesse Brandeburg 已提交
2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272
/**
 * 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:
2273
		cmd->data = vsi->num_queue_pairs;
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		ret = 0;
		break;
	case ETHTOOL_GRXFH:
		ret = i40e_get_rss_hash_opts(pf, cmd);
		break;
	case ETHTOOL_GRXCLSRLCNT:
2280
		cmd->rule_cnt = pf->fdir_pf_active_filters;
2281 2282
		/* report total rule count */
		cmd->data = i40e_get_fd_cnt_all(pf);
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2283 2284 2285
		ret = 0;
		break;
	case ETHTOOL_GRXCLSRULE:
2286
		ret = i40e_get_ethtool_fdir_entry(pf, cmd);
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Jesse Brandeburg 已提交
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		break;
	case ETHTOOL_GRXCLSRLALL:
2289 2290
		ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
		break;
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	default:
		break;
	}

	return ret;
}

/**
 * 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;
2308 2309
	u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
		   ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
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Jesse Brandeburg 已提交
2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326

	/* 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;

	/* We need at least the IP SRC and DEST fields for hashing */
	if (!(nfc->data & RXH_IP_SRC) ||
	    !(nfc->data & RXH_IP_DST))
		return -EINVAL;

	switch (nfc->flow_type) {
	case TCP_V4_FLOW:
		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
		case 0:
2327
			return -EINVAL;
J
Jesse Brandeburg 已提交
2328
		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2329 2330 2331 2332
			if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
				hena |=
			   BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);

2333
			hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
J
Jesse Brandeburg 已提交
2334 2335 2336 2337 2338 2339 2340 2341
			break;
		default:
			return -EINVAL;
		}
		break;
	case TCP_V6_FLOW:
		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
		case 0:
2342
			return -EINVAL;
J
Jesse Brandeburg 已提交
2343
		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2344 2345 2346 2347
			if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
				hena |=
			   BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);

2348
			hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
J
Jesse Brandeburg 已提交
2349 2350 2351 2352 2353 2354 2355 2356
			break;
		default:
			return -EINVAL;
		}
		break;
	case UDP_V4_FLOW:
		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
		case 0:
2357
			return -EINVAL;
J
Jesse Brandeburg 已提交
2358
		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2359 2360 2361 2362 2363
			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);

2364 2365
			hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
				 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
J
Jesse Brandeburg 已提交
2366 2367 2368 2369 2370 2371 2372 2373
			break;
		default:
			return -EINVAL;
		}
		break;
	case UDP_V6_FLOW:
		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
		case 0:
2374
			return -EINVAL;
J
Jesse Brandeburg 已提交
2375
		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2376 2377 2378 2379 2380
			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);

2381 2382
			hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
				 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
J
Jesse Brandeburg 已提交
2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394
			break;
		default:
			return -EINVAL;
		}
		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;
2395
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
J
Jesse Brandeburg 已提交
2396 2397 2398 2399 2400 2401 2402 2403
		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;
2404
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
J
Jesse Brandeburg 已提交
2405 2406
		break;
	case IPV4_FLOW:
2407 2408
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
J
Jesse Brandeburg 已提交
2409 2410
		break;
	case IPV6_FLOW:
2411 2412
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
J
Jesse Brandeburg 已提交
2413 2414 2415 2416 2417
		break;
	default:
		return -EINVAL;
	}

2418 2419
	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
2420 2421
	i40e_flush(hw);

2422 2423 2424
	/* Save setting for future output/update */
	pf->vsi[pf->lan_vsi]->rxnfc = *nfc;

J
Jesse Brandeburg 已提交
2425 2426 2427
	return 0;
}

2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445
/**
 * 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
2446
/**
2447 2448 2449 2450 2451
 * 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
2452
 *
2453 2454 2455 2456
 * 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
2457
 **/
2458 2459 2460 2461
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
2462
{
2463
	struct i40e_fdir_filter *rule, *parent;
J
Jesse Brandeburg 已提交
2464
	struct i40e_pf *pf = vsi->back;
2465 2466
	struct hlist_node *node2;
	int err = -EINVAL;
J
Jesse Brandeburg 已提交
2467

2468 2469
	parent = NULL;
	rule = NULL;
J
Jesse Brandeburg 已提交
2470

2471 2472 2473 2474 2475 2476
	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
2477 2478
	}

2479 2480
	/* if there is an old rule occupying our place remove it */
	if (rule && (rule->fd_id == sw_idx)) {
2481 2482 2483 2484
		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);
2485 2486 2487
		hlist_del(&rule->fdir_node);
		kfree(rule);
		pf->fdir_pf_active_filters--;
2488 2489
	}

2490 2491 2492 2493 2494
	/* 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
2495

2496 2497
	/* initialize node and set software index */
	INIT_HLIST_NODE(&input->fdir_node);
J
Jesse Brandeburg 已提交
2498

2499 2500
	/* add filter to the list */
	if (parent)
2501
		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2502 2503 2504
	else
		hlist_add_head(&input->fdir_node,
			       &pf->fdir_filter_list);
J
Jesse Brandeburg 已提交
2505

2506 2507
	/* update counts */
	pf->fdir_pf_active_filters++;
J
Jesse Brandeburg 已提交
2508

2509
	return 0;
J
Jesse Brandeburg 已提交
2510 2511 2512
}

/**
2513 2514 2515
 * 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
2516
 *
2517 2518
 * The function removes a Flow Director filter entry from the
 * hlist of the corresponding PF
J
Jesse Brandeburg 已提交
2519
 *
2520 2521 2522 2523
 * Returns 0 on success
 */
static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
			       struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2524
{
2525 2526
	struct ethtool_rx_flow_spec *fsp =
		(struct ethtool_rx_flow_spec *)&cmd->fs;
J
Jesse Brandeburg 已提交
2527
	struct i40e_pf *pf = vsi->back;
2528
	int ret = 0;
J
Jesse Brandeburg 已提交
2529

2530 2531 2532 2533
	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		return -EBUSY;

2534 2535 2536
	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
		return -EBUSY;

2537
	ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
J
Jesse Brandeburg 已提交
2538

2539
	i40e_fdir_check_and_reenable(pf);
2540
	return ret;
J
Jesse Brandeburg 已提交
2541 2542 2543
}

/**
2544
 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
J
Jesse Brandeburg 已提交
2545 2546 2547
 * @vsi: pointer to the targeted VSI
 * @cmd: command to get or set RX flow classification rules
 *
2548 2549
 * 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
2550
 **/
2551 2552
static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
				 struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2553
{
2554 2555
	struct ethtool_rx_flow_spec *fsp;
	struct i40e_fdir_filter *input;
J
Jesse Brandeburg 已提交
2556
	struct i40e_pf *pf;
2557
	int ret = -EINVAL;
2558
	u16 vf_id;
J
Jesse Brandeburg 已提交
2559 2560 2561 2562 2563

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

2564 2565 2566
	if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
		return -EOPNOTSUPP;

2567
	if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2568 2569
		return -ENOSPC;

2570 2571 2572 2573
	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		return -EBUSY;

2574 2575 2576
	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
		return -EBUSY;

2577 2578
	fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;

2579 2580
	if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
			      pf->hw.func_caps.fd_filters_guaranteed)) {
J
Jesse Brandeburg 已提交
2581
		return -EINVAL;
2582
	}
J
Jesse Brandeburg 已提交
2583

2584 2585
	if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
	    (fsp->ring_cookie >= vsi->num_queue_pairs))
2586
		return -EINVAL;
J
Jesse Brandeburg 已提交
2587

2588
	input = kzalloc(sizeof(*input), GFP_KERNEL);
J
Jesse Brandeburg 已提交
2589

2590 2591
	if (!input)
		return -ENOMEM;
J
Jesse Brandeburg 已提交
2592

2593 2594
	input->fd_id = fsp->location;

2595 2596 2597 2598 2599 2600
	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;

2601 2602 2603 2604 2605
	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;
2606
	input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2607 2608
	input->flow_type = fsp->flow_type;
	input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2609 2610 2611 2612 2613 2614 2615 2616

	/* 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;
2617

2618
	if (ntohl(fsp->m_ext.data[1])) {
2619 2620 2621 2622
		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);
2623 2624 2625 2626 2627
			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) {
2628 2629 2630
			netif_info(pf, drv, vsi->netdev,
				   "Invalid queue id %d for VF %d\n",
				   input->q_index, vf_id);
2631 2632 2633 2634
			goto free_input;
		}
	}

2635
	ret = i40e_add_del_fdir(vsi, input, true);
2636
free_input:
2637
	if (ret)
2638 2639
		kfree(input);
	else
2640
		i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
J
Jesse Brandeburg 已提交
2641 2642 2643

	return ret;
}
J
Jesse Brandeburg 已提交
2644

J
Jesse Brandeburg 已提交
2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663
/**
 * 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:
2664
		ret = i40e_add_fdir_ethtool(vsi, cmd);
J
Jesse Brandeburg 已提交
2665 2666
		break;
	case ETHTOOL_SRXCLSRLDEL:
2667
		ret = i40e_del_fdir_entry(vsi, cmd);
J
Jesse Brandeburg 已提交
2668 2669 2670 2671 2672 2673 2674 2675
		break;
	default:
		break;
	}

	return ret;
}

2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706
/**
 * 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 */
J
Jesse Brandeburg 已提交
2707
	ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739
	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)
{
	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;
	int new_count;

	/* 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 */
J
Jesse Brandeburg 已提交
2740
	if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753
		return -EINVAL;

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

	/* 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);
2754
	if (new_count > 0)
2755 2756 2757 2758 2759
		return 0;
	else
		return -EINVAL;
}

M
Mitch A Williams 已提交
2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786
/**
 * 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;
2787 2788 2789
	u8 *lut, *seed = NULL;
	int ret;
	u16 i;
M
Mitch A Williams 已提交
2790 2791 2792 2793 2794 2795 2796

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

	if (!indir)
		return 0;

2797 2798 2799 2800 2801 2802 2803 2804 2805
	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]);
M
Mitch A Williams 已提交
2806

2807 2808 2809 2810
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;
2827
	u8 *seed = NULL;
2828
	u16 i;
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	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
		return -EOPNOTSUPP;

	if (!indir)
		return 0;

	if (key) {
2837 2838 2839 2840 2841 2842 2843 2844
		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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	}
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	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 */
2853
	for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2854
		vsi->rss_lut_user[i] = (u8)(indir[i]);
2855

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

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/**
 * 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.
 **/
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static u32 i40e_get_priv_flags(struct net_device *dev)
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{
	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;
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	ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
		I40E_PRIV_FLAGS_FD_ATR : 0;
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	ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
		I40E_PRIV_FLAGS_VEB_STATS : 0;
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	ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
		0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
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	if (pf->hw.pf_id == 0) {
		ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
			I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
	}
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	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;
2903
	u16 sw_flags = 0, valid_flags = 0;
2904
	bool reset_required = false;
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	bool promisc_change = false;
	int ret;
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	/* NOTE: MFP is not settable */

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	if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
		pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
	else
		pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;

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	/* 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;
	}

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	if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
	    !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
2928
		pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
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		reset_required = true;
	} else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
		   (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
2932
		pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
2933 2934
		reset_required = true;
	}
2935

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	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 */
		}
	}

2963 2964 2965 2966 2967 2968
	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;

2969 2970 2971 2972
	/* if needed, issue reset to cause things to take effect */
	if (reset_required)
		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));

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	return 0;
}

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static const struct ethtool_ops i40e_ethtool_ops = {
	.get_settings		= i40e_get_settings,
2978
	.set_settings		= i40e_set_settings,
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	.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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	.set_wol		= i40e_set_wol,
2986
	.set_eeprom		= i40e_set_eeprom,
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	.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,
2992
	.set_pauseparam		= i40e_set_pauseparam,
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	.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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	.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,
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	.get_channels		= i40e_get_channels,
	.set_channels		= i40e_set_channels,
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	.get_ts_info		= i40e_get_ts_info,
3011
	.get_priv_flags		= i40e_get_priv_flags,
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	.set_priv_flags		= i40e_set_priv_flags,
3013
	.get_per_queue_coalesce	= i40e_get_per_queue_coalesce,
3014
	.set_per_queue_coalesce	= i40e_set_per_queue_coalesce,
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};

void i40e_set_ethtool_ops(struct net_device *netdev)
{
3019
	netdev->ethtool_ops = &i40e_ethtool_ops;
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}