root/drivers/net/ethernet/intel/ice/ice_ethtool.c
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */

/* ethtool support for ice */

#include "ice.h"
#include "ice_ethtool.h"
#include "ice_flow.h"
#include "ice_fltr.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
#include <net/dcbnl.h>
#include <net/libeth/rx.h>

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

#define ICE_STAT(_type, _name, _stat) { \
        .stat_string = _name, \
        .sizeof_stat = sizeof_field(_type, _stat), \
        .stat_offset = offsetof(_type, _stat) \
}

#define ICE_VSI_STAT(_name, _stat) \
                ICE_STAT(struct ice_vsi, _name, _stat)
#define ICE_PF_STAT(_name, _stat) \
                ICE_STAT(struct ice_pf, _name, _stat)

static int ice_q_stats_len(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);

        /* One packets and one bytes count per queue */
        return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 2);
}

#define ICE_PF_STATS_LEN        ARRAY_SIZE(ice_gstrings_pf_stats)
#define ICE_VSI_STATS_LEN       ARRAY_SIZE(ice_gstrings_vsi_stats)

#define ICE_PFC_STATS_LEN ( \
                (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
                 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
                 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
                 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
                 / sizeof(u64))
#define ICE_ALL_STATS_LEN(n)    (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
                                 ICE_VSI_STATS_LEN + ice_q_stats_len(n))

static const struct ice_stats ice_gstrings_vsi_stats[] = {
        ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
        ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
        ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
        ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
        ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
        ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
        ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
        ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
        ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
        ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
        ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
        ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
        ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
        ICE_VSI_STAT("tx_linearize", tx_linearize),
        ICE_VSI_STAT("tx_busy", tx_busy),
        ICE_VSI_STAT("tx_restart", tx_restart),
};

enum ice_ethtool_test_id {
        ICE_ETH_TEST_REG = 0,
        ICE_ETH_TEST_EEPROM,
        ICE_ETH_TEST_INTR,
        ICE_ETH_TEST_LOOP,
        ICE_ETH_TEST_LINK,
};

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

#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)

/* These PF_STATs might look like duplicates of some NETDEV_STATs,
 * but they aren't. This device is capable of supporting multiple
 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
 * netdevs whereas the PF_STATs are for the physical function that's
 * hosting these netdevs.
 *
 * The PF_STATs are appended to the netdev stats only when ethtool -S
 * is queried on the base PF netdev.
 */
static const struct ice_stats ice_gstrings_pf_stats[] = {
        ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
        ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
        ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
        ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
        ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
        ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
        ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
        ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
        ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
        ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
        ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
        ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
        ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
        ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
        ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
        ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
        ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
        ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
        ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
        ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
        ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
        ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
        ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
        ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
        ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
        ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
        ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
        ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
        ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
        ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
        ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
        ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
        ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
        ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
        ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error),
        ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
        ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
        ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
        ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
        ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
        ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
        ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
        ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
        ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
        ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
        ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
        ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
};

static const u32 ice_regs_dump_list[] = {
        PFGEN_STATE,
        PRTGEN_STATUS,
        QRX_CTRL(0),
        QINT_TQCTL(0),
        QINT_RQCTL(0),
        PFINT_OICR_ENA,
        QRX_ITR(0),
#define GLDCB_TLPM_PCI_DM                       0x000A0180
        GLDCB_TLPM_PCI_DM,
#define GLDCB_TLPM_TC2PFC                       0x000A0194
        GLDCB_TLPM_TC2PFC,
#define TCDCB_TLPM_WAIT_DM(_i)                  (0x000A0080 + ((_i) * 4))
        TCDCB_TLPM_WAIT_DM(0),
        TCDCB_TLPM_WAIT_DM(1),
        TCDCB_TLPM_WAIT_DM(2),
        TCDCB_TLPM_WAIT_DM(3),
        TCDCB_TLPM_WAIT_DM(4),
        TCDCB_TLPM_WAIT_DM(5),
        TCDCB_TLPM_WAIT_DM(6),
        TCDCB_TLPM_WAIT_DM(7),
        TCDCB_TLPM_WAIT_DM(8),
        TCDCB_TLPM_WAIT_DM(9),
        TCDCB_TLPM_WAIT_DM(10),
        TCDCB_TLPM_WAIT_DM(11),
        TCDCB_TLPM_WAIT_DM(12),
        TCDCB_TLPM_WAIT_DM(13),
        TCDCB_TLPM_WAIT_DM(14),
        TCDCB_TLPM_WAIT_DM(15),
        TCDCB_TLPM_WAIT_DM(16),
        TCDCB_TLPM_WAIT_DM(17),
        TCDCB_TLPM_WAIT_DM(18),
        TCDCB_TLPM_WAIT_DM(19),
        TCDCB_TLPM_WAIT_DM(20),
        TCDCB_TLPM_WAIT_DM(21),
        TCDCB_TLPM_WAIT_DM(22),
        TCDCB_TLPM_WAIT_DM(23),
        TCDCB_TLPM_WAIT_DM(24),
        TCDCB_TLPM_WAIT_DM(25),
        TCDCB_TLPM_WAIT_DM(26),
        TCDCB_TLPM_WAIT_DM(27),
        TCDCB_TLPM_WAIT_DM(28),
        TCDCB_TLPM_WAIT_DM(29),
        TCDCB_TLPM_WAIT_DM(30),
        TCDCB_TLPM_WAIT_DM(31),
#define GLPCI_WATMK_CLNT_PIPEMON                0x000BFD90
        GLPCI_WATMK_CLNT_PIPEMON,
#define GLPCI_CUR_CLNT_COMMON                   0x000BFD84
        GLPCI_CUR_CLNT_COMMON,
#define GLPCI_CUR_CLNT_PIPEMON                  0x000BFD88
        GLPCI_CUR_CLNT_PIPEMON,
#define GLPCI_PCIERR                            0x0009DEB0
        GLPCI_PCIERR,
#define GLPSM_DEBUG_CTL_STATUS                  0x000B0600
        GLPSM_DEBUG_CTL_STATUS,
#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT       0x000B0680
        GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B0684
        GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW           0x000B0688
        GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT       0x000B069C
        GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT       0x000B06A0
        GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT       0x000B0E80
        GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B0E84
        GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT   0x000B0E88
        GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT  0x000B0E8C
        GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT       0x000B0E90
        GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT       0x000B1680
        GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B1684
        GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT       0x000B1688
        GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
#define GLTDPU_TCLAN_COMP_BOB(_i)               (0x00049ADC + ((_i) * 4))
        GLTDPU_TCLAN_COMP_BOB(1),
        GLTDPU_TCLAN_COMP_BOB(2),
        GLTDPU_TCLAN_COMP_BOB(3),
        GLTDPU_TCLAN_COMP_BOB(4),
        GLTDPU_TCLAN_COMP_BOB(5),
        GLTDPU_TCLAN_COMP_BOB(6),
        GLTDPU_TCLAN_COMP_BOB(7),
        GLTDPU_TCLAN_COMP_BOB(8),
#define GLTDPU_TCB_CMD_BOB(_i)                  (0x0004975C + ((_i) * 4))
        GLTDPU_TCB_CMD_BOB(1),
        GLTDPU_TCB_CMD_BOB(2),
        GLTDPU_TCB_CMD_BOB(3),
        GLTDPU_TCB_CMD_BOB(4),
        GLTDPU_TCB_CMD_BOB(5),
        GLTDPU_TCB_CMD_BOB(6),
        GLTDPU_TCB_CMD_BOB(7),
        GLTDPU_TCB_CMD_BOB(8),
#define GLTDPU_PSM_UPDATE_BOB(_i)               (0x00049B5C + ((_i) * 4))
        GLTDPU_PSM_UPDATE_BOB(1),
        GLTDPU_PSM_UPDATE_BOB(2),
        GLTDPU_PSM_UPDATE_BOB(3),
        GLTDPU_PSM_UPDATE_BOB(4),
        GLTDPU_PSM_UPDATE_BOB(5),
        GLTDPU_PSM_UPDATE_BOB(6),
        GLTDPU_PSM_UPDATE_BOB(7),
        GLTDPU_PSM_UPDATE_BOB(8),
#define GLTCB_CMD_IN_BOB(_i)                    (0x000AE288 + ((_i) * 4))
        GLTCB_CMD_IN_BOB(1),
        GLTCB_CMD_IN_BOB(2),
        GLTCB_CMD_IN_BOB(3),
        GLTCB_CMD_IN_BOB(4),
        GLTCB_CMD_IN_BOB(5),
        GLTCB_CMD_IN_BOB(6),
        GLTCB_CMD_IN_BOB(7),
        GLTCB_CMD_IN_BOB(8),
#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i)   (0x000FC148 + ((_i) * 4))
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
        GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
        GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i)       (0x000FC1C8 + ((_i) * 4))
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
        GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i)  (0x000FC188 + ((_i) * 4))
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
        GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
        GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
#define PRTDCB_TCUPM_REG_CM(_i)                 (0x000BC360 + ((_i) * 4))
        PRTDCB_TCUPM_REG_CM(0),
        PRTDCB_TCUPM_REG_CM(1),
        PRTDCB_TCUPM_REG_CM(2),
        PRTDCB_TCUPM_REG_CM(3),
#define PRTDCB_TCUPM_REG_DM(_i)                 (0x000BC3A0 + ((_i) * 4))
        PRTDCB_TCUPM_REG_DM(0),
        PRTDCB_TCUPM_REG_DM(1),
        PRTDCB_TCUPM_REG_DM(2),
        PRTDCB_TCUPM_REG_DM(3),
#define PRTDCB_TLPM_REG_DM(_i)                  (0x000A0000 + ((_i) * 4))
        PRTDCB_TLPM_REG_DM(0),
        PRTDCB_TLPM_REG_DM(1),
        PRTDCB_TLPM_REG_DM(2),
        PRTDCB_TLPM_REG_DM(3),
};

struct ice_priv_flag {
        char name[ETH_GSTRING_LEN];
        u32 bitno;                      /* bit position in pf->flags */
};

#define ICE_PRIV_FLAG(_name, _bitno) { \
        .name = _name, \
        .bitno = _bitno, \
}

static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
        ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
        ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
        ICE_PRIV_FLAG("vf-true-promisc-support",
                      ICE_FLAG_VF_TRUE_PROMISC_ENA),
        ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
        ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
};

#define ICE_PRIV_FLAG_ARRAY_SIZE        ARRAY_SIZE(ice_gstrings_priv_flags)

static const u32 ice_adv_lnk_speed_100[] __initconst = {
        ETHTOOL_LINK_MODE_100baseT_Full_BIT,
};

static const u32 ice_adv_lnk_speed_1000[] __initconst = {
        ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
        ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
};

static const u32 ice_adv_lnk_speed_2500[] __initconst = {
        ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
        ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
};

static const u32 ice_adv_lnk_speed_5000[] __initconst = {
        ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
};

static const u32 ice_adv_lnk_speed_10000[] __initconst = {
        ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
};

static const u32 ice_adv_lnk_speed_25000[] __initconst = {
        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
};

static const u32 ice_adv_lnk_speed_40000[] __initconst = {
        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
};

static const u32 ice_adv_lnk_speed_50000[] __initconst = {
        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};

static const u32 ice_adv_lnk_speed_100000[] __initconst = {
        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
};

static const u32 ice_adv_lnk_speed_200000[] __initconst = {
        ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
        ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
        ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
        ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
        ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
};

static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = {
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000),
        ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000),
};

void __init ice_adv_lnk_speed_maps_init(void)
{
        ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps,
                                       ARRAY_SIZE(ice_adv_lnk_speed_maps));
}

static void
__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
                  struct ice_vsi *vsi)
{
        struct ice_pf *pf = vsi->back;
        struct ice_hw *hw = &pf->hw;
        struct ice_orom_info *orom;
        struct ice_nvm_info *nvm;

        nvm = &hw->flash.nvm;
        orom = &hw->flash.orom;

        strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));

        /* Display NVM version (from which the firmware version can be
         * determined) which contains more pertinent information.
         */
        snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
                 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
                 nvm->eetrack, orom->major, orom->build, orom->patch);

        strscpy(drvinfo->bus_info, pci_name(pf->pdev),
                sizeof(drvinfo->bus_info));
}

static void
ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);

        __ice_get_drvinfo(netdev, drvinfo, np->vsi);
        drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
}

static int ice_get_regs_len(struct net_device __always_unused *netdev)
{
        return (sizeof(ice_regs_dump_list) +
                sizeof(struct ice_regdump_to_ethtool));
}

/**
 * ice_ethtool_get_maxspeed - Get the max speed for given lport
 * @hw: pointer to the HW struct
 * @lport: logical port for which max speed is requested
 * @max_speed: return max speed for input lport
 *
 * Return: 0 on success, negative on failure.
 */
static int ice_ethtool_get_maxspeed(struct ice_hw *hw, u8 lport, u8 *max_speed)
{
        struct ice_aqc_get_port_options_elem options[ICE_AQC_PORT_OPT_MAX] = {};
        bool active_valid = false, pending_valid = true;
        u8 option_count = ICE_AQC_PORT_OPT_MAX;
        u8 active_idx = 0, pending_idx = 0;
        int status;

        status = ice_aq_get_port_options(hw, options, &option_count, lport,
                                         true, &active_idx, &active_valid,
                                         &pending_idx, &pending_valid);
        if (status)
                return -EIO;
        if (!active_valid)
                return -EINVAL;

        *max_speed = options[active_idx].max_lane_speed & ICE_AQC_PORT_OPT_MAX_LANE_M;
        return 0;
}

/**
 * ice_is_serdes_muxed - returns whether serdes is muxed in hardware
 * @hw: pointer to the HW struct
 *
 * Return: true when serdes is muxed, false when serdes is not muxed.
 */
static bool ice_is_serdes_muxed(struct ice_hw *hw)
{
        u32 reg_value = rd32(hw, GLGEN_SWITCH_MODE_CONFIG);

        return FIELD_GET(GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M, reg_value);
}

static int ice_map_port_topology_for_sfp(struct ice_port_topology *port_topology,
                                         u8 lport, bool is_muxed)
{
        switch (lport) {
        case 0:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 0;
                port_topology->primary_serdes_lane = 0;
                break;
        case 1:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 0;
                if (is_muxed)
                        port_topology->primary_serdes_lane = 2;
                else
                        port_topology->primary_serdes_lane = 4;
                break;
        case 2:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 1;
                port_topology->primary_serdes_lane = 1;
                break;
        case 3:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 1;
                if (is_muxed)
                        port_topology->primary_serdes_lane = 3;
                else
                        port_topology->primary_serdes_lane = 5;
                break;
        case 4:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 2;
                port_topology->primary_serdes_lane = 2;
                break;
        case 5:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 2;
                port_topology->primary_serdes_lane = 6;
                break;
        case 6:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 3;
                port_topology->primary_serdes_lane = 3;
                break;
        case 7:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 3;
                port_topology->primary_serdes_lane = 7;
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

static int ice_map_port_topology_for_qsfp(struct ice_port_topology *port_topology,
                                          u8 lport, bool is_muxed)
{
        switch (lport) {
        case 0:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 0;
                port_topology->primary_serdes_lane = 0;
                break;
        case 1:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 0;
                if (is_muxed)
                        port_topology->primary_serdes_lane = 2;
                else
                        port_topology->primary_serdes_lane = 4;
                break;
        case 2:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 1;
                port_topology->primary_serdes_lane = 1;
                break;
        case 3:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 1;
                if (is_muxed)
                        port_topology->primary_serdes_lane = 3;
                else
                        port_topology->primary_serdes_lane = 5;
                break;
        case 4:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 2;
                port_topology->primary_serdes_lane = 2;
                break;
        case 5:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 2;
                port_topology->primary_serdes_lane = 6;
                break;
        case 6:
                port_topology->pcs_quad_select = 0;
                port_topology->pcs_port = 3;
                port_topology->primary_serdes_lane = 3;
                break;
        case 7:
                port_topology->pcs_quad_select = 1;
                port_topology->pcs_port = 3;
                port_topology->primary_serdes_lane = 7;
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

/**
 * ice_get_port_topology - returns physical topology like pcsquad, pcsport,
 *                         serdes number
 * @hw: pointer to the HW struct
 * @lport: logical port for which physical info requested
 * @port_topology: buffer to hold port topology
 *
 * Return: 0 on success, negative on failure.
 */
static int ice_get_port_topology(struct ice_hw *hw, u8 lport,
                                 struct ice_port_topology *port_topology)
{
        struct ice_aqc_get_link_topo cmd = {};
        u16 node_handle = 0;
        u8 cage_type = 0;
        bool is_muxed;
        int err;
        u8 ctx;

        ctx = ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE << ICE_AQC_LINK_TOPO_NODE_TYPE_S;
        ctx |= ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S;
        cmd.addr.topo_params.node_type_ctx = ctx;

        err = ice_aq_get_netlist_node(hw, &cmd, &cage_type, &node_handle);
        if (err)
                return -EINVAL;

        is_muxed = ice_is_serdes_muxed(hw);

        if (cage_type == 0x11 ||        /* SFP+ */
            cage_type == 0x12) {        /* SFP28 */
                port_topology->serdes_lane_count = 1;
                err = ice_map_port_topology_for_sfp(port_topology, lport, is_muxed);
                if (err)
                        return err;
        } else if (cage_type == 0x13 || /* QSFP */
                   cage_type == 0x14) { /* QSFP28 */
                u8 max_speed = 0;

                err = ice_ethtool_get_maxspeed(hw, lport, &max_speed);
                if (err)
                        return err;

                if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G)
                        port_topology->serdes_lane_count = 4;
                else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G ||
                         max_speed == ICE_AQC_PORT_OPT_MAX_LANE_40G)
                        port_topology->serdes_lane_count = 2;
                else
                        port_topology->serdes_lane_count = 1;

                err = ice_map_port_topology_for_qsfp(port_topology, lport, is_muxed);
                if (err)
                        return err;
        } else {
                return -EINVAL;
        }

        return 0;
}

/**
 * ice_get_tx_rx_equa - read serdes tx rx equaliser param
 * @hw: pointer to the HW struct
 * @serdes_num: represents the serdes number
 * @ptr: structure to read all serdes parameter for given serdes
 *
 * Return: all serdes equalization parameter supported per serdes number
 */
static int ice_get_tx_rx_equa(struct ice_hw *hw, u8 serdes_num,
                              struct ice_serdes_equalization_to_ethtool *ptr)
{
        static const int tx = ICE_AQC_OP_CODE_TX_EQU;
        static const int rx = ICE_AQC_OP_CODE_RX_EQU;
        struct {
                int data_in;
                int opcode;
                int *out;
        } aq_params[] = {
                { ICE_AQC_TX_EQU_PRE1, tx, &ptr->tx_equ_pre1 },
                { ICE_AQC_TX_EQU_PRE3, tx, &ptr->tx_equ_pre3 },
                { ICE_AQC_TX_EQU_ATTEN, tx, &ptr->tx_equ_atten },
                { ICE_AQC_TX_EQU_POST1, tx, &ptr->tx_equ_post1 },
                { ICE_AQC_TX_EQU_PRE2, tx, &ptr->tx_equ_pre2 },
                { ICE_AQC_RX_EQU_PRE2, rx, &ptr->rx_equ_pre2 },
                { ICE_AQC_RX_EQU_PRE1, rx, &ptr->rx_equ_pre1 },
                { ICE_AQC_RX_EQU_POST1, rx, &ptr->rx_equ_post1 },
                { ICE_AQC_RX_EQU_BFLF, rx, &ptr->rx_equ_bflf },
                { ICE_AQC_RX_EQU_BFHF, rx, &ptr->rx_equ_bfhf },
                { ICE_AQC_RX_EQU_CTLE_GAINHF, rx, &ptr->rx_equ_ctle_gainhf },
                { ICE_AQC_RX_EQU_CTLE_GAINLF, rx, &ptr->rx_equ_ctle_gainlf },
                { ICE_AQC_RX_EQU_CTLE_GAINDC, rx, &ptr->rx_equ_ctle_gaindc },
                { ICE_AQC_RX_EQU_CTLE_BW, rx, &ptr->rx_equ_ctle_bw },
                { ICE_AQC_RX_EQU_DFE_GAIN, rx, &ptr->rx_equ_dfe_gain },
                { ICE_AQC_RX_EQU_DFE_GAIN2, rx, &ptr->rx_equ_dfe_gain_2 },
                { ICE_AQC_RX_EQU_DFE_2, rx, &ptr->rx_equ_dfe_2 },
                { ICE_AQC_RX_EQU_DFE_3, rx, &ptr->rx_equ_dfe_3 },
                { ICE_AQC_RX_EQU_DFE_4, rx, &ptr->rx_equ_dfe_4 },
                { ICE_AQC_RX_EQU_DFE_5, rx, &ptr->rx_equ_dfe_5 },
                { ICE_AQC_RX_EQU_DFE_6, rx, &ptr->rx_equ_dfe_6 },
                { ICE_AQC_RX_EQU_DFE_7, rx, &ptr->rx_equ_dfe_7 },
                { ICE_AQC_RX_EQU_DFE_8, rx, &ptr->rx_equ_dfe_8 },
                { ICE_AQC_RX_EQU_DFE_9, rx, &ptr->rx_equ_dfe_9 },
                { ICE_AQC_RX_EQU_DFE_10, rx, &ptr->rx_equ_dfe_10 },
                { ICE_AQC_RX_EQU_DFE_11, rx, &ptr->rx_equ_dfe_11 },
                { ICE_AQC_RX_EQU_DFE_12, rx, &ptr->rx_equ_dfe_12 },
        };
        int err;

        for (int i = 0; i < ARRAY_SIZE(aq_params); i++) {
                err = ice_aq_get_phy_equalization(hw, aq_params[i].data_in,
                                                  aq_params[i].opcode,
                                                  serdes_num, aq_params[i].out);
                if (err)
                        break;
        }

        return err;
}

/**
 * ice_get_extended_regs - returns FEC correctable, uncorrectable stats per
 *                         pcsquad, pcsport
 * @netdev: pointer to net device structure
 * @p: output buffer to fill requested register dump
 *
 * Return: 0 on success, negative on failure.
 */
static int ice_get_extended_regs(struct net_device *netdev, void *p)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_regdump_to_ethtool *ice_prv_regs_buf;
        struct ice_port_topology port_topology = {};
        struct ice_port_info *pi;
        struct ice_pf *pf;
        struct ice_hw *hw;
        unsigned int i;
        int err;

        pf = np->vsi->back;
        hw = &pf->hw;
        pi = np->vsi->port_info;

        /* Serdes parameters are not supported if not the PF VSI */
        if (np->vsi->type != ICE_VSI_PF || !pi)
                return -EINVAL;

        err = ice_get_port_topology(hw, pi->lport, &port_topology);
        if (err)
                return -EINVAL;
        if (port_topology.serdes_lane_count > 4)
                return -EINVAL;

        ice_prv_regs_buf = p;

        /* Get serdes equalization parameter for available serdes */
        for (i = 0; i < port_topology.serdes_lane_count; i++) {
                u8 serdes_num = 0;

                serdes_num = port_topology.primary_serdes_lane + i;
                err = ice_get_tx_rx_equa(hw, serdes_num,
                                         &ice_prv_regs_buf->equalization[i]);
                if (err)
                        return -EINVAL;
        }

        return 0;
}

static void
ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_hw *hw = &pf->hw;
        u32 *regs_buf = (u32 *)p;
        unsigned int i;

        regs->version = 2;

        for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
                regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);

        ice_get_extended_regs(netdev, (void *)&regs_buf[i]);
}

static u32 ice_get_msglevel(struct net_device *netdev)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);

#ifndef CONFIG_DYNAMIC_DEBUG
        if (pf->hw.debug_mask)
                netdev_info(netdev, "hw debug_mask: 0x%llX\n",
                            pf->hw.debug_mask);
#endif /* !CONFIG_DYNAMIC_DEBUG */

        return pf->msg_enable;
}

static void ice_set_msglevel(struct net_device *netdev, u32 data)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);

#ifndef CONFIG_DYNAMIC_DEBUG
        if (ICE_DBG_USER & data)
                pf->hw.debug_mask = data;
        else
                pf->msg_enable = data;
#else
        pf->msg_enable = data;
#endif /* !CONFIG_DYNAMIC_DEBUG */
}

static void ice_get_link_ext_stats(struct net_device *netdev,
                                   struct ethtool_link_ext_stats *stats)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);

        stats->link_down_events = pf->link_down_events;
}

static int ice_get_eeprom_len(struct net_device *netdev)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);

        return (int)pf->hw.flash.flash_size;
}

static int
ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
               u8 *bytes)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_hw *hw = &pf->hw;
        struct device *dev;
        int ret;
        u8 *buf;

        dev = ice_pf_to_dev(pf);

        eeprom->magic = hw->vendor_id | (hw->device_id << 16);
        netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
                   eeprom->cmd, eeprom->offset, eeprom->len);

        buf = kzalloc(eeprom->len, GFP_KERNEL);
        if (!buf)
                return -ENOMEM;

        ret = ice_acquire_nvm(hw, ICE_RES_READ);
        if (ret) {
                dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
                        ret, libie_aq_str(hw->adminq.sq_last_status));
                goto out;
        }

        ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
                                false);
        if (ret) {
                dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
                        ret, libie_aq_str(hw->adminq.sq_last_status));
                goto release;
        }

        memcpy(bytes, buf, eeprom->len);
release:
        ice_release_nvm(hw);
out:
        kfree(buf);
        return ret;
}

/**
 * ice_active_vfs - check if there are any active VFs
 * @pf: board private structure
 *
 * Returns true if an active VF is found, otherwise returns false
 */
static bool ice_active_vfs(struct ice_pf *pf)
{
        bool active = false;
        struct ice_vf *vf;
        unsigned int bkt;

        rcu_read_lock();
        ice_for_each_vf_rcu(pf, bkt, vf) {
                if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
                        active = true;
                        break;
                }
        }
        rcu_read_unlock();

        return active;
}

/**
 * ice_link_test - perform a link test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_link_test(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        bool link_up = false;
        int status;

        netdev_info(netdev, "link test\n");
        status = ice_get_link_status(np->vsi->port_info, &link_up);
        if (status) {
                netdev_err(netdev, "link query error, status = %d\n",
                           status);
                return 1;
        }

        if (!link_up)
                return 2;

        return 0;
}

/**
 * ice_eeprom_test - perform an EEPROM test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_eeprom_test(struct net_device *netdev)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);

        netdev_info(netdev, "EEPROM test\n");
        return !!(ice_nvm_validate_checksum(&pf->hw));
}

/**
 * ice_reg_pattern_test
 * @hw: pointer to the HW struct
 * @reg: reg to be tested
 * @mask: bits to be touched
 */
static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
{
        struct ice_pf *pf = (struct ice_pf *)hw->back;
        struct device *dev = ice_pf_to_dev(pf);
        static const u32 patterns[] = {
                0x5A5A5A5A, 0xA5A5A5A5,
                0x00000000, 0xFFFFFFFF
        };
        u32 val, orig_val;
        unsigned int i;

        orig_val = rd32(hw, reg);
        for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
                u32 pattern = patterns[i] & mask;

                wr32(hw, reg, pattern);
                val = rd32(hw, reg);
                if (val == pattern)
                        continue;
                dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
                        , __func__, reg, pattern, val);
                return 1;
        }

        wr32(hw, reg, orig_val);
        val = rd32(hw, reg);
        if (val != orig_val) {
                dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
                        , __func__, reg, orig_val, val);
                return 1;
        }

        return 0;
}

/**
 * ice_reg_test - perform a register test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_reg_test(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_hw *hw = np->vsi->port_info->hw;
        u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
                hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
        struct ice_diag_reg_test_info {
                u32 address;
                u32 mask;
                u32 elem_num;
                u32 elem_size;
        } ice_reg_list[] = {
                {GLINT_ITR(0, 0), 0x00000fff, int_elements,
                        GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
                {GLINT_ITR(1, 0), 0x00000fff, int_elements,
                        GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
                {GLINT_ITR(0, 0), 0x00000fff, int_elements,
                        GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
                {GLINT_CTL, 0xffff0001, 1, 0}
        };
        unsigned int i;

        netdev_dbg(netdev, "Register test\n");
        for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
                u32 j;

                for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
                        u32 mask = ice_reg_list[i].mask;
                        u32 reg = ice_reg_list[i].address +
                                (j * ice_reg_list[i].elem_size);

                        /* bail on failure (non-zero return) */
                        if (ice_reg_pattern_test(hw, reg, mask))
                                return 1;
                }
        }

        return 0;
}

/**
 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
 * @vsi: pointer to the VSI structure
 *
 * Function configures rings of a VSI for loopback test without
 * enabling interrupts or informing the kernel about new queues.
 *
 * Returns 0 on success, negative on failure.
 */
static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
{
        int status;

        status = ice_vsi_setup_tx_rings(vsi);
        if (status)
                goto err_setup_tx_ring;

        status = ice_vsi_setup_rx_rings(vsi);
        if (status)
                goto err_setup_rx_ring;

        status = ice_vsi_cfg_lan(vsi);
        if (status)
                goto err_setup_rx_ring;

        status = ice_vsi_start_all_rx_rings(vsi);
        if (status)
                goto err_start_rx_ring;

        return 0;

err_start_rx_ring:
        ice_vsi_free_rx_rings(vsi);
err_setup_rx_ring:
        ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
err_setup_tx_ring:
        ice_vsi_free_tx_rings(vsi);

        return status;
}

/**
 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
 * @vsi: pointer to the VSI structure
 *
 * Function stops and frees VSI rings after a loopback test.
 * Returns 0 on success, negative on failure.
 */
static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
{
        int status;

        status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
        if (status)
                netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
                           vsi->vsi_num, status);

        status = ice_vsi_stop_all_rx_rings(vsi);
        if (status)
                netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
                           vsi->vsi_num, status);

        ice_vsi_free_tx_rings(vsi);
        ice_vsi_free_rx_rings(vsi);

        return status;
}

/**
 * ice_lbtest_create_frame - create test packet
 * @pf: pointer to the PF structure
 * @ret_data: allocated frame buffer
 * @size: size of the packet data
 *
 * Function allocates a frame with a test pattern on specific offsets.
 * Returns 0 on success, non-zero on failure.
 */
static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
{
        u8 *data;

        if (!pf)
                return -EINVAL;

        data = kzalloc(size, GFP_KERNEL);
        if (!data)
                return -ENOMEM;

        /* Since the ethernet test frame should always be at least
         * 64 bytes long, fill some octets in the payload with test data.
         */
        memset(data, 0xFF, size);
        data[32] = 0xDE;
        data[42] = 0xAD;
        data[44] = 0xBE;
        data[46] = 0xEF;

        *ret_data = data;

        return 0;
}

/**
 * ice_lbtest_check_frame - verify received loopback frame
 * @frame: pointer to the raw packet data
 *
 * Function verifies received test frame with a pattern.
 * Returns true if frame matches the pattern, false otherwise.
 */
static bool ice_lbtest_check_frame(u8 *frame)
{
        /* Validate bytes of a frame under offsets chosen earlier */
        if (frame[32] == 0xDE &&
            frame[42] == 0xAD &&
            frame[44] == 0xBE &&
            frame[46] == 0xEF &&
            frame[48] == 0xFF)
                return true;

        return false;
}

/**
 * ice_diag_send - send test frames to the test ring
 * @tx_ring: pointer to the transmit ring
 * @data: pointer to the raw packet data
 * @size: size of the packet to send
 *
 * Function sends loopback packets on a test Tx ring.
 */
static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
{
        struct ice_tx_desc *tx_desc;
        struct ice_tx_buf *tx_buf;
        dma_addr_t dma;
        u64 td_cmd;

        tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
        tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];

        dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
        if (dma_mapping_error(tx_ring->dev, dma))
                return -EINVAL;

        tx_desc->buf_addr = cpu_to_le64(dma);

        /* These flags are required for a descriptor to be pushed out */
        td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
        tx_desc->cmd_type_offset_bsz =
                cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
                            (td_cmd << ICE_TXD_QW1_CMD_S) |
                            ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
                            ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
                            ((u64)0 << ICE_TXD_QW1_L2TAG1_S));

        tx_buf->next_to_watch = tx_desc;

        /* Force memory write to complete before letting h/w know
         * there are new descriptors to fetch.
         */
        wmb();

        tx_ring->next_to_use++;
        if (tx_ring->next_to_use >= tx_ring->count)
                tx_ring->next_to_use = 0;

        writel_relaxed(tx_ring->next_to_use, tx_ring->tail);

        /* Wait until the packets get transmitted to the receive queue. */
        usleep_range(1000, 2000);
        dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);

        return 0;
}

#define ICE_LB_FRAME_SIZE 64
/**
 * ice_lbtest_receive_frames - receive and verify test frames
 * @rx_ring: pointer to the receive ring
 *
 * Function receives loopback packets and verify their correctness.
 * Returns number of received valid frames.
 */
static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
{
        struct libeth_fqe *rx_buf;
        int valid_frames, i;
        struct page *page;
        u8 *received_buf;

        valid_frames = 0;

        for (i = 0; i < rx_ring->count; i++) {
                union ice_32b_rx_flex_desc *rx_desc;

                rx_desc = ICE_RX_DESC(rx_ring, i);

                if (!(rx_desc->wb.status_error0 &
                    (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
                     cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
                        continue;

                rx_buf = &rx_ring->rx_fqes[i];
                page = __netmem_to_page(rx_buf->netmem);
                received_buf = page_address(page) + rx_buf->offset +
                               page->pp->p.offset;

                if (ice_lbtest_check_frame(received_buf))
                        valid_frames++;
        }

        return valid_frames;
}

/**
 * ice_loopback_test - perform a loopback test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_loopback_test(struct net_device *netdev)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_vsi *test_vsi;
        u8 *tx_frame __free(kfree) = NULL;
        u8 broadcast[ETH_ALEN], ret = 0;
        int num_frames, valid_frames;
        struct ice_tx_ring *tx_ring;
        struct ice_rx_ring *rx_ring;
        int i;

        netdev_info(netdev, "loopback test\n");

        test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
        if (!test_vsi) {
                netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
                return 1;
        }

        test_vsi->netdev = netdev;
        tx_ring = test_vsi->tx_rings[0];
        rx_ring = test_vsi->rx_rings[0];
        /* Dummy q_vector and napi. Fill the minimum required for
         * ice_rxq_pp_create().
         */
        rx_ring->q_vector->napi.dev = netdev;

        if (ice_lbtest_prepare_rings(test_vsi)) {
                ret = 2;
                goto lbtest_vsi_close;
        }

        if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
                ret = 3;
                goto lbtest_rings_dis;
        }

        /* Enable MAC loopback in firmware */
        if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
                ret = 4;
                goto lbtest_mac_dis;
        }

        /* Test VSI needs to receive broadcast packets */
        eth_broadcast_addr(broadcast);
        if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
                ret = 5;
                goto lbtest_mac_dis;
        }

        if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
                ret = 7;
                goto remove_mac_filters;
        }

        num_frames = min_t(int, tx_ring->count, 32);
        for (i = 0; i < num_frames; i++) {
                if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
                        ret = 8;
                        goto remove_mac_filters;
                }
        }

        valid_frames = ice_lbtest_receive_frames(rx_ring);
        if (!valid_frames)
                ret = 9;
        else if (valid_frames != num_frames)
                ret = 10;

remove_mac_filters:
        if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
                netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
lbtest_mac_dis:
        /* Disable MAC loopback after the test is completed. */
        if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
                netdev_err(netdev, "Could not disable MAC loopback\n");
lbtest_rings_dis:
        if (ice_lbtest_disable_rings(test_vsi))
                netdev_err(netdev, "Could not disable test rings\n");
lbtest_vsi_close:
        test_vsi->netdev = NULL;
        if (ice_vsi_release(test_vsi))
                netdev_err(netdev, "Failed to remove the test VSI\n");

        return ret;
}

/**
 * ice_intr_test - perform an interrupt test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_intr_test(struct net_device *netdev)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        u16 swic_old = pf->sw_int_count;

        netdev_info(netdev, "interrupt test\n");

        wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
             GLINT_DYN_CTL_SW_ITR_INDX_M |
             GLINT_DYN_CTL_INTENA_MSK_M |
             GLINT_DYN_CTL_SWINT_TRIG_M);

        usleep_range(1000, 2000);
        return (swic_old == pf->sw_int_count);
}

/**
 * ice_self_test - handler function for performing a self-test by ethtool
 * @netdev: network interface device structure
 * @eth_test: ethtool_test structure
 * @data: required by ethtool.self_test
 *
 * This function is called after invoking 'ethtool -t devname' command where
 * devname is the name of the network device on which ethtool should operate.
 * It performs a set of self-tests to check if a device works properly.
 */
static void
ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
              u64 *data)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        bool if_running = netif_running(netdev);
        struct device *dev;

        dev = ice_pf_to_dev(pf);

        if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
                netdev_info(netdev, "offline testing starting\n");

                set_bit(ICE_TESTING, pf->state);

                if (ice_active_vfs(pf)) {
                        dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
                        data[ICE_ETH_TEST_REG] = 1;
                        data[ICE_ETH_TEST_EEPROM] = 1;
                        data[ICE_ETH_TEST_INTR] = 1;
                        data[ICE_ETH_TEST_LOOP] = 1;
                        data[ICE_ETH_TEST_LINK] = 1;
                        eth_test->flags |= ETH_TEST_FL_FAILED;
                        clear_bit(ICE_TESTING, pf->state);
                        goto skip_ol_tests;
                }
                /* If the device is online then take it offline */
                if (if_running)
                        /* indicate we're in test mode */
                        ice_stop(netdev);

                data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
                data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
                data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
                data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
                data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);

                if (data[ICE_ETH_TEST_LINK] ||
                    data[ICE_ETH_TEST_EEPROM] ||
                    data[ICE_ETH_TEST_LOOP] ||
                    data[ICE_ETH_TEST_INTR] ||
                    data[ICE_ETH_TEST_REG])
                        eth_test->flags |= ETH_TEST_FL_FAILED;

                clear_bit(ICE_TESTING, pf->state);

                if (if_running) {
                        int status = ice_open(netdev);

                        if (status) {
                                dev_err(dev, "Could not open device %s, err %d\n",
                                        pf->int_name, status);
                        }
                }
        } else {
                /* Online tests */
                netdev_info(netdev, "online testing starting\n");

                data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
                if (data[ICE_ETH_TEST_LINK])
                        eth_test->flags |= ETH_TEST_FL_FAILED;

                /* Offline only tests, not run in online; pass by default */
                data[ICE_ETH_TEST_REG] = 0;
                data[ICE_ETH_TEST_EEPROM] = 0;
                data[ICE_ETH_TEST_INTR] = 0;
                data[ICE_ETH_TEST_LOOP] = 0;
        }

skip_ol_tests:
        netdev_info(netdev, "testing finished\n");
}

static void
__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
                  struct ice_vsi *vsi)
{
        unsigned int i;
        u8 *p = data;

        switch (stringset) {
        case ETH_SS_STATS:
                for (i = 0; i < ICE_VSI_STATS_LEN; i++)
                        ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);

                if (ice_is_port_repr_netdev(netdev))
                        return;

                ice_for_each_alloc_txq(vsi, i) {
                        ethtool_sprintf(&p, "tx_queue_%u_packets", i);
                        ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
                }

                ice_for_each_alloc_rxq(vsi, i) {
                        ethtool_sprintf(&p, "rx_queue_%u_packets", i);
                        ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
                }

                if (vsi->type != ICE_VSI_PF)
                        return;

                for (i = 0; i < ICE_PF_STATS_LEN; i++)
                        ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);

                for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
                        ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
                        ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
                }
                for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
                        ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
                        ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
                }
                break;
        case ETH_SS_TEST:
                memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
                break;
        case ETH_SS_PRIV_FLAGS:
                for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
                        ethtool_puts(&p, ice_gstrings_priv_flags[i].name);
                break;
        default:
                break;
        }
}

static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);

        __ice_get_strings(netdev, stringset, data, np->vsi);
}

static int
ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        bool led_active;

        switch (state) {
        case ETHTOOL_ID_ACTIVE:
                led_active = true;
                break;
        case ETHTOOL_ID_INACTIVE:
                led_active = false;
                break;
        default:
                return -EINVAL;
        }

        if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
                return -EIO;

        return 0;
}

/**
 * ice_set_fec_cfg - Set link FEC options
 * @netdev: network interface device structure
 * @req_fec: FEC mode to configure
 */
static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_aqc_set_phy_cfg_data config = { 0 };
        struct ice_vsi *vsi = np->vsi;
        struct ice_port_info *pi;

        pi = vsi->port_info;
        if (!pi)
                return -EOPNOTSUPP;

        /* Changing the FEC parameters is not supported if not the PF VSI */
        if (vsi->type != ICE_VSI_PF) {
                netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
                return -EOPNOTSUPP;
        }

        /* Proceed only if requesting different FEC mode */
        if (pi->phy.curr_user_fec_req == req_fec)
                return 0;

        /* Copy the current user PHY configuration. The current user PHY
         * configuration is initialized during probe from PHY capabilities
         * software mode, and updated on set PHY configuration.
         */
        memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));

        ice_cfg_phy_fec(pi, &config, req_fec);
        config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;

        if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
                return -EAGAIN;

        /* Save requested FEC config */
        pi->phy.curr_user_fec_req = req_fec;

        return 0;
}

/**
 * ice_set_fecparam - Set FEC link options
 * @netdev: network interface device structure
 * @fecparam: Ethtool structure to retrieve FEC parameters
 */
static int
ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        enum ice_fec_mode fec;

        switch (fecparam->fec) {
        case ETHTOOL_FEC_AUTO:
                fec = ICE_FEC_AUTO;
                break;
        case ETHTOOL_FEC_RS:
                fec = ICE_FEC_RS;
                break;
        case ETHTOOL_FEC_BASER:
                fec = ICE_FEC_BASER;
                break;
        case ETHTOOL_FEC_OFF:
        case ETHTOOL_FEC_NONE:
                fec = ICE_FEC_NONE;
                break;
        default:
                dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
                         fecparam->fec);
                return -EINVAL;
        }

        return ice_set_fec_cfg(netdev, fec);
}

/**
 * ice_get_fecparam - Get link FEC options
 * @netdev: network interface device structure
 * @fecparam: Ethtool structure to retrieve FEC parameters
 */
static int
ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_aqc_get_phy_caps_data *caps;
        struct ice_link_status *link_info;
        struct ice_vsi *vsi = np->vsi;
        struct ice_port_info *pi;
        int err;

        pi = vsi->port_info;

        if (!pi)
                return -EOPNOTSUPP;
        link_info = &pi->phy.link_info;

        /* Set FEC mode based on negotiated link info */
        switch (link_info->fec_info) {
        case ICE_AQ_LINK_25G_KR_FEC_EN:
                fecparam->active_fec = ETHTOOL_FEC_BASER;
                break;
        case ICE_AQ_LINK_25G_RS_528_FEC_EN:
        case ICE_AQ_LINK_25G_RS_544_FEC_EN:
                fecparam->active_fec = ETHTOOL_FEC_RS;
                break;
        default:
                fecparam->active_fec = ETHTOOL_FEC_OFF;
                break;
        }

        caps = kzalloc_obj(*caps);
        if (!caps)
                return -ENOMEM;

        err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
                                  caps, NULL);
        if (err)
                goto done;

        /* Set supported/configured FEC modes based on PHY capability */
        if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
                fecparam->fec |= ETHTOOL_FEC_AUTO;
        if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
                fecparam->fec |= ETHTOOL_FEC_BASER;
        if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
                fecparam->fec |= ETHTOOL_FEC_RS;
        if (caps->link_fec_options == 0)
                fecparam->fec |= ETHTOOL_FEC_OFF;

done:
        kfree(caps);
        return err;
}

/**
 * ice_nway_reset - restart autonegotiation
 * @netdev: network interface device structure
 */
static int ice_nway_reset(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        int err;

        /* If VSI state is up, then restart autoneg with link up */
        if (!test_bit(ICE_DOWN, vsi->back->state))
                err = ice_set_link(vsi, true);
        else
                err = ice_set_link(vsi, false);

        return err;
}

/**
 * ice_get_priv_flags - report device private flags
 * @netdev: 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 ice_gstrings_priv_flags
 * array.
 *
 * Returns a u32 bitmap of flags.
 */
static u32 ice_get_priv_flags(struct net_device *netdev)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        u32 i, ret_flags = 0;

        for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
                const struct ice_priv_flag *priv_flag;

                priv_flag = &ice_gstrings_priv_flags[i];

                if (test_bit(priv_flag->bitno, pf->flags))
                        ret_flags |= BIT(i);
        }

        return ret_flags;
}

/**
 * ice_set_priv_flags - set private flags
 * @netdev: network interface device structure
 * @flags: bit flags to be set
 */
static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
        DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        struct device *dev;
        int ret = 0;
        u32 i;

        if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
                return -EINVAL;

        dev = ice_pf_to_dev(pf);
        set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);

        bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
        for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
                const struct ice_priv_flag *priv_flag;

                priv_flag = &ice_gstrings_priv_flags[i];

                if (flags & BIT(i))
                        set_bit(priv_flag->bitno, pf->flags);
                else
                        clear_bit(priv_flag->bitno, pf->flags);
        }

        bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);

        /* Do not allow change to link-down-on-close when Total Port Shutdown
         * is enabled.
         */
        if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
            test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
                dev_err(dev, "Setting link-down-on-close not supported on this port\n");
                set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
                ret = -EINVAL;
                goto ethtool_exit;
        }

        if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
                if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
                        int status;

                        /* Disable FW LLDP engine */
                        status = ice_cfg_lldp_mib_change(&pf->hw, false);

                        /* If unregistering for LLDP events fails, this is
                         * not an error state, as there shouldn't be any
                         * events to respond to.
                         */
                        if (status)
                                dev_info(dev, "Failed to unreg for LLDP events\n");

                        /* The AQ call to stop the FW LLDP agent will generate
                         * an error if the agent is already stopped.
                         */
                        status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
                        if (status)
                                dev_warn(dev, "Fail to stop LLDP agent\n");
                        /* Use case for having the FW LLDP agent stopped
                         * will likely not need DCB, so failure to init is
                         * not a concern of ethtool
                         */
                        status = ice_init_pf_dcb(pf, true);
                        if (status)
                                dev_warn(dev, "Fail to init DCB\n");

                        pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
                        pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
                } else {
                        bool dcbx_agent_status;
                        int status;

                        if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
                                clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
                                dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
                                ret = -EOPNOTSUPP;
                                goto ethtool_exit;
                        }

                        /* Remove rule to direct LLDP packets to default VSI.
                         * The FW LLDP engine will now be consuming them.
                         */
                        ice_cfg_sw_rx_lldp(vsi->back, false);

                        /* AQ command to start FW LLDP agent will return an
                         * error if the agent is already started
                         */
                        status = ice_aq_start_lldp(&pf->hw, true, NULL);
                        if (status)
                                dev_warn(dev, "Fail to start LLDP Agent\n");

                        /* AQ command to start FW DCBX agent will fail if
                         * the agent is already started
                         */
                        status = ice_aq_start_stop_dcbx(&pf->hw, true,
                                                        &dcbx_agent_status,
                                                        NULL);
                        if (status)
                                dev_dbg(dev, "Failed to start FW DCBX\n");

                        dev_info(dev, "FW DCBX agent is %s\n",
                                 dcbx_agent_status ? "ACTIVE" : "DISABLED");

                        /* Failure to configure MIB change or init DCB is not
                         * relevant to ethtool.  Print notification that
                         * registration/init failed but do not return error
                         * state to ethtool
                         */
                        status = ice_init_pf_dcb(pf, true);
                        if (status)
                                dev_dbg(dev, "Fail to init DCB\n");

                        /* Register for MIB change events */
                        status = ice_cfg_lldp_mib_change(&pf->hw, true);
                        if (status)
                                dev_dbg(dev, "Fail to enable MIB change events\n");

                        pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
                        pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;

                        ice_nway_reset(netdev);
                }
        }
        /* don't allow modification of this flag when a single VF is in
         * promiscuous mode because it's not supported
         */
        if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
            ice_is_any_vf_in_unicast_promisc(pf)) {
                dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
                /* toggle bit back to previous state */
                change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
                ret = -EAGAIN;
        }

        if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
            ice_has_vfs(pf)) {
                dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
                /* toggle bit back to previous state */
                change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
                ret = -EOPNOTSUPP;
        }
ethtool_exit:
        clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
        return ret;
}

static int ice_get_sset_count(struct net_device *netdev, int sset)
{
        switch (sset) {
        case ETH_SS_STATS:
                /* The number (and order) of strings reported *must* remain
                 * constant for a given netdevice. This function must not
                 * report a different number based on run time parameters
                 * (such as the number of queues in use, or the setting of
                 * a private ethtool flag). This is due to the nature of the
                 * ethtool stats API.
                 *
                 * Userspace programs such as ethtool must make 3 separate
                 * ioctl requests, one for size, one for the strings, and
                 * finally one for the stats. Since these cross into
                 * userspace, changes to the number or size could result in
                 * undefined memory access or incorrect string<->value
                 * correlations for statistics.
                 *
                 * Even if it appears to be safe, changes to the size or
                 * order of strings will suffer from race conditions and are
                 * not safe.
                 */
                return ICE_ALL_STATS_LEN(netdev);
        case ETH_SS_TEST:
                return ICE_TEST_LEN;
        case ETH_SS_PRIV_FLAGS:
                return ICE_PRIV_FLAG_ARRAY_SIZE;
        default:
                return -EOPNOTSUPP;
        }
}

static void
__ice_get_ethtool_stats(struct net_device *netdev,
                        struct ethtool_stats __always_unused *stats, u64 *data,
                        struct ice_vsi *vsi)
{
        struct ice_pf *pf = vsi->back;
        struct ice_tx_ring *tx_ring;
        struct ice_rx_ring *rx_ring;
        unsigned int j;
        int i = 0;
        char *p;

        if (ice_is_port_repr_netdev(netdev)) {
                ice_update_eth_stats(vsi);

                for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
                        p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
                        data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
                                     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
                }
                return;
        }

        ice_update_pf_stats(pf);
        ice_update_vsi_stats(vsi);

        for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
                p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
                data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
        }

        /* populate per queue stats */
        rcu_read_lock();

        ice_for_each_alloc_txq(vsi, j) {
                u64 pkts, bytes;

                tx_ring = READ_ONCE(vsi->tx_rings[j]);
                if (!tx_ring || !tx_ring->ring_stats) {
                        data[i++] = 0;
                        data[i++] = 0;
                        continue;
                }

                ice_fetch_tx_ring_stats(tx_ring, &pkts, &bytes);

                data[i++] = pkts;
                data[i++] = bytes;
        }

        ice_for_each_alloc_rxq(vsi, j) {
                u64 pkts, bytes;

                rx_ring = READ_ONCE(vsi->rx_rings[j]);
                if (!rx_ring || !rx_ring->ring_stats) {
                        data[i++] = 0;
                        data[i++] = 0;
                        continue;
                }

                ice_fetch_rx_ring_stats(rx_ring, &pkts, &bytes);

                data[i++] = pkts;
                data[i++] = bytes;
        }

        rcu_read_unlock();

        if (vsi->type != ICE_VSI_PF)
                return;

        for (j = 0; j < ICE_PF_STATS_LEN; j++) {
                p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
                data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
        }

        for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
                data[i++] = pf->stats.priority_xon_tx[j];
                data[i++] = pf->stats.priority_xoff_tx[j];
        }

        for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
                data[i++] = pf->stats.priority_xon_rx[j];
                data[i++] = pf->stats.priority_xoff_rx[j];
        }
}

static void
ice_get_ethtool_stats(struct net_device *netdev,
                      struct ethtool_stats __always_unused *stats, u64 *data)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);

        __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
}

#define ICE_PHY_TYPE_LOW_MASK_MIN_1G    (ICE_PHY_TYPE_LOW_100BASE_TX | \
                                         ICE_PHY_TYPE_LOW_100M_SGMII)

#define ICE_PHY_TYPE_LOW_MASK_MIN_25G   (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
                                         ICE_PHY_TYPE_LOW_1000BASE_T | \
                                         ICE_PHY_TYPE_LOW_1000BASE_SX | \
                                         ICE_PHY_TYPE_LOW_1000BASE_LX | \
                                         ICE_PHY_TYPE_LOW_1000BASE_KX | \
                                         ICE_PHY_TYPE_LOW_1G_SGMII | \
                                         ICE_PHY_TYPE_LOW_2500BASE_T | \
                                         ICE_PHY_TYPE_LOW_2500BASE_X | \
                                         ICE_PHY_TYPE_LOW_2500BASE_KX | \
                                         ICE_PHY_TYPE_LOW_5GBASE_T | \
                                         ICE_PHY_TYPE_LOW_5GBASE_KR | \
                                         ICE_PHY_TYPE_LOW_10GBASE_T | \
                                         ICE_PHY_TYPE_LOW_10G_SFI_DA | \
                                         ICE_PHY_TYPE_LOW_10GBASE_SR | \
                                         ICE_PHY_TYPE_LOW_10GBASE_LR | \
                                         ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
                                         ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
                                         ICE_PHY_TYPE_LOW_10G_SFI_C2C)

#define ICE_PHY_TYPE_LOW_MASK_100G      (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
                                         ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
                                         ICE_PHY_TYPE_LOW_100G_CAUI4 | \
                                         ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
                                         ICE_PHY_TYPE_LOW_100G_AUI4 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
                                         ICE_PHY_TYPE_LOW_100GBASE_DR)

#define ICE_PHY_TYPE_HIGH_MASK_100G     (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
                                         ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
                                         ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
                                         ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
                                         ICE_PHY_TYPE_HIGH_100G_AUI2)

#define ICE_PHY_TYPE_HIGH_MASK_200G     (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \
                                         ICE_PHY_TYPE_HIGH_200G_SR4 | \
                                         ICE_PHY_TYPE_HIGH_200G_FR4 | \
                                         ICE_PHY_TYPE_HIGH_200G_LR4 | \
                                         ICE_PHY_TYPE_HIGH_200G_DR4 | \
                                         ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \
                                         ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \
                                         ICE_PHY_TYPE_HIGH_200G_AUI4)

/**
 * ice_mask_min_supported_speeds
 * @hw: pointer to the HW structure
 * @phy_types_high: PHY type high
 * @phy_types_low: PHY type low to apply minimum supported speeds mask
 *
 * Apply minimum supported speeds mask to PHY type low. These are the speeds
 * for ethtool supported link mode.
 */
static void
ice_mask_min_supported_speeds(struct ice_hw *hw,
                              u64 phy_types_high, u64 *phy_types_low)
{
        /* if QSFP connection with 100G speed, minimum supported speed is 25G */
        if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||
            (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||
            (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))
                *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
        else if (!ice_is_100m_speed_supported(hw))
                *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
}

/**
 * ice_linkmode_set_bit - set link mode bit
 * @phy_to_ethtool: PHY type to ethtool link mode struct to set
 * @ks: ethtool link ksettings struct to fill out
 * @req_speeds: speed requested by user
 * @advert_phy_type: advertised PHY type
 * @phy_type: PHY type
 */
static void
ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
                     struct ethtool_link_ksettings *ks, u32 req_speeds,
                     u64 advert_phy_type, u32 phy_type)
{
        linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);

        if (req_speeds & phy_to_ethtool->aq_link_speed ||
            (!req_speeds && advert_phy_type & BIT(phy_type)))
                linkmode_set_bit(phy_to_ethtool->link_mode,
                                 ks->link_modes.advertising);
}

/**
 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 * @netdev: network interface device structure
 * @ks: ethtool link ksettings struct to fill out
 */
static void
ice_phy_type_to_ethtool(struct net_device *netdev,
                        struct ethtool_link_ksettings *ks)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        u64 advert_phy_type_lo = 0;
        u64 advert_phy_type_hi = 0;
        u64 phy_types_high = 0;
        u64 phy_types_low = 0;
        u32 req_speeds;
        u32 i;

        req_speeds = vsi->port_info->phy.link_info.req_speeds;

        /* Check if lenient mode is supported and enabled, or in strict mode.
         *
         * In lenient mode the Supported link modes are the PHY types without
         * media. The Advertising link mode is either 1. the user requested
         * speed, 2. the override PHY mask, or 3. the PHY types with media.
         *
         * In strict mode Supported link mode are the PHY type with media,
         * and Advertising link modes are the media PHY type or the speed
         * requested by user.
         */
        if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
                phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
                phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);

                ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
                                              &phy_types_low);
                /* determine advertised modes based on link override only
                 * if it's supported and if the FW doesn't abstract the
                 * driver from having to account for link overrides
                 */
                if (ice_fw_supports_link_override(&pf->hw) &&
                    !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
                        struct ice_link_default_override_tlv *ldo;

                        ldo = &pf->link_dflt_override;
                        /* If override enabled and PHY mask set, then
                         * Advertising link mode is the intersection of the PHY
                         * types without media and the override PHY mask.
                         */
                        if (ldo->options & ICE_LINK_OVERRIDE_EN &&
                            (ldo->phy_type_low || ldo->phy_type_high)) {
                                advert_phy_type_lo =
                                        le64_to_cpu(pf->nvm_phy_type_lo) &
                                        ldo->phy_type_low;
                                advert_phy_type_hi =
                                        le64_to_cpu(pf->nvm_phy_type_hi) &
                                        ldo->phy_type_high;
                        }
                }
        } else {
                /* strict mode */
                phy_types_low = vsi->port_info->phy.phy_type_low;
                phy_types_high = vsi->port_info->phy.phy_type_high;
        }

        /* If Advertising link mode PHY type is not using override PHY type,
         * then use PHY type with media.
         */
        if (!advert_phy_type_lo && !advert_phy_type_hi) {
                advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
                advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
        }

        linkmode_zero(ks->link_modes.supported);
        linkmode_zero(ks->link_modes.advertising);

        for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) {
                if (phy_types_low & BIT_ULL(i))
                        ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,
                                             req_speeds, advert_phy_type_lo,
                                             i);
        }

        for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) {
                if (phy_types_high & BIT_ULL(i))
                        ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,
                                             req_speeds, advert_phy_type_hi,
                                             i);
        }
}

#define TEST_SET_BITS_TIMEOUT   50
#define TEST_SET_BITS_SLEEP_MAX 2000
#define TEST_SET_BITS_SLEEP_MIN 1000

/**
 * ice_get_settings_link_up - Get Link settings for when link is up
 * @ks: ethtool ksettings to fill in
 * @netdev: network interface device structure
 */
static void
ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
                         struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_port_info *pi = np->vsi->port_info;
        struct ice_link_status *link_info;
        struct ice_vsi *vsi = np->vsi;

        link_info = &vsi->port_info->phy.link_info;

        /* Get supported and advertised settings from PHY ability with media */
        ice_phy_type_to_ethtool(netdev, ks);

        switch (link_info->link_speed) {
        case ICE_AQ_LINK_SPEED_200GB:
                ks->base.speed = SPEED_200000;
                break;
        case ICE_AQ_LINK_SPEED_100GB:
                ks->base.speed = SPEED_100000;
                break;
        case ICE_AQ_LINK_SPEED_50GB:
                ks->base.speed = SPEED_50000;
                break;
        case ICE_AQ_LINK_SPEED_40GB:
                ks->base.speed = SPEED_40000;
                break;
        case ICE_AQ_LINK_SPEED_25GB:
                ks->base.speed = SPEED_25000;
                break;
        case ICE_AQ_LINK_SPEED_20GB:
                ks->base.speed = SPEED_20000;
                break;
        case ICE_AQ_LINK_SPEED_10GB:
                ks->base.speed = SPEED_10000;
                break;
        case ICE_AQ_LINK_SPEED_5GB:
                ks->base.speed = SPEED_5000;
                break;
        case ICE_AQ_LINK_SPEED_2500MB:
                ks->base.speed = SPEED_2500;
                break;
        case ICE_AQ_LINK_SPEED_1000MB:
                ks->base.speed = SPEED_1000;
                break;
        case ICE_AQ_LINK_SPEED_100MB:
                ks->base.speed = SPEED_100;
                break;
        default:
                netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
                            link_info->link_speed);
                break;
        }
        ks->base.duplex = DUPLEX_FULL;

        if (link_info->an_info & ICE_AQ_AN_COMPLETED)
                ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
                                                     Autoneg);

        /* Set flow control negotiated Rx/Tx pause */
        switch (pi->fc.current_mode) {
        case ICE_FC_FULL:
                ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
                break;
        case ICE_FC_TX_PAUSE:
                ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
                ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
                                                     Asym_Pause);
                break;
        case ICE_FC_RX_PAUSE:
                ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
                                                     Asym_Pause);
                break;
        case ICE_FC_PFC:
        default:
                ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
                ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
                                                     Asym_Pause);
                break;
        }
}

/**
 * ice_get_settings_link_down - Get the Link settings when link is down
 * @ks: ethtool ksettings to fill in
 * @netdev: network interface device structure
 *
 * Reports link settings that can be determined when link is down
 */
static void
ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
                           struct net_device *netdev)
{
        /* link is down and the driver needs to fall back on
         * supported PHY types to figure out what info to display
         */
        ice_phy_type_to_ethtool(netdev, ks);

        /* With no link, speed and duplex are unknown */
        ks->base.speed = SPEED_UNKNOWN;
        ks->base.duplex = DUPLEX_UNKNOWN;
}

/**
 * ice_get_link_ksettings - Get Link Speed and Duplex settings
 * @netdev: network interface device structure
 * @ks: ethtool ksettings
 *
 * Reports speed/duplex settings based on media_type
 */
static int
ice_get_link_ksettings(struct net_device *netdev,
                       struct ethtool_link_ksettings *ks)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_aqc_get_phy_caps_data *caps;
        struct ice_link_status *hw_link_info;
        struct ice_vsi *vsi = np->vsi;
        int err;

        ethtool_link_ksettings_zero_link_mode(ks, supported);
        ethtool_link_ksettings_zero_link_mode(ks, advertising);
        ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
        hw_link_info = &vsi->port_info->phy.link_info;

        /* set speed and duplex */
        if (hw_link_info->link_info & ICE_AQ_LINK_UP)
                ice_get_settings_link_up(ks, netdev);
        else
                ice_get_settings_link_down(ks, netdev);

        /* set autoneg settings */
        ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
                AUTONEG_ENABLE : AUTONEG_DISABLE;

        /* set media type settings */
        switch (vsi->port_info->phy.media_type) {
        case ICE_MEDIA_FIBER:
                ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
                ks->base.port = PORT_FIBRE;
                break;
        case ICE_MEDIA_BASET:
                ethtool_link_ksettings_add_link_mode(ks, supported, TP);
                ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
                ks->base.port = PORT_TP;
                break;
        case ICE_MEDIA_BACKPLANE:
                ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
                ethtool_link_ksettings_add_link_mode(ks, advertising,
                                                     Backplane);
                ks->base.port = PORT_NONE;
                break;
        case ICE_MEDIA_DA:
                ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
                ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
                ks->base.port = PORT_DA;
                break;
        default:
                ks->base.port = PORT_OTHER;
                break;
        }

        /* flow control is symmetric and always supported */
        ethtool_link_ksettings_add_link_mode(ks, supported, Pause);

        caps = kzalloc_obj(*caps);
        if (!caps)
                return -ENOMEM;

        err = ice_aq_get_phy_caps(vsi->port_info, false,
                                  ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
        if (err)
                goto done;

        /* Set the advertised flow control based on the PHY capability */
        if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
            (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
                ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
                ethtool_link_ksettings_add_link_mode(ks, advertising,
                                                     Asym_Pause);
        } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
                ethtool_link_ksettings_add_link_mode(ks, advertising,
                                                     Asym_Pause);
        } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
                ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
                ethtool_link_ksettings_add_link_mode(ks, advertising,
                                                     Asym_Pause);
        } else {
                ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
                ethtool_link_ksettings_del_link_mode(ks, advertising,
                                                     Asym_Pause);
        }

        /* Set advertised FEC modes based on PHY capability */
        ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);

        if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
                ethtool_link_ksettings_add_link_mode(ks, advertising,
                                                     FEC_BASER);
        if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
                ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);

        err = ice_aq_get_phy_caps(vsi->port_info, false,
                                  ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
        if (err)
                goto done;

        /* Set supported FEC modes based on PHY capability */
        ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);

        if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
            caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
                ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
        if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
                ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);

        /* Set supported and advertised autoneg */
        if (ice_is_phy_caps_an_enabled(caps)) {
                ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
                ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
        }

done:
        kfree(caps);
        return err;
}

/**
 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
 * @speed: ethtool forced speed
 */
static u16 ice_speed_to_aq_link(int speed)
{
        int aq_speed;

        switch (speed) {
        case SPEED_10:
                aq_speed = ICE_AQ_LINK_SPEED_10MB;
                break;
        case SPEED_100:
                aq_speed = ICE_AQ_LINK_SPEED_100MB;
                break;
        case SPEED_1000:
                aq_speed = ICE_AQ_LINK_SPEED_1000MB;
                break;
        case SPEED_2500:
                aq_speed = ICE_AQ_LINK_SPEED_2500MB;
                break;
        case SPEED_5000:
                aq_speed = ICE_AQ_LINK_SPEED_5GB;
                break;
        case SPEED_10000:
                aq_speed = ICE_AQ_LINK_SPEED_10GB;
                break;
        case SPEED_20000:
                aq_speed = ICE_AQ_LINK_SPEED_20GB;
                break;
        case SPEED_25000:
                aq_speed = ICE_AQ_LINK_SPEED_25GB;
                break;
        case SPEED_40000:
                aq_speed = ICE_AQ_LINK_SPEED_40GB;
                break;
        case SPEED_50000:
                aq_speed = ICE_AQ_LINK_SPEED_50GB;
                break;
        case SPEED_100000:
                aq_speed = ICE_AQ_LINK_SPEED_100GB;
                break;
        default:
                aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
                break;
        }
        return aq_speed;
}

/**
 * ice_ksettings_find_adv_link_speed - Find advertising link speed
 * @ks: ethtool ksettings
 */
static u16
ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
{
        const struct ethtool_forced_speed_map *map;
        u16 adv_link_speed = 0;

        for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
                map = ice_adv_lnk_speed_maps + i;
                if (linkmode_intersects(ks->link_modes.advertising, map->caps))
                        adv_link_speed |= ice_speed_to_aq_link(map->speed);
        }

        return adv_link_speed;
}

/**
 * ice_setup_autoneg
 * @p: port info
 * @ks: ethtool_link_ksettings
 * @config: configuration that will be sent down to FW
 * @autoneg_enabled: autonegotiation is enabled or not
 * @autoneg_changed: will there a change in autonegotiation
 * @netdev: network interface device structure
 *
 * Setup PHY autonegotiation feature
 */
static int
ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
                  struct ice_aqc_set_phy_cfg_data *config,
                  u8 autoneg_enabled, u8 *autoneg_changed,
                  struct net_device *netdev)
{
        int err = 0;

        *autoneg_changed = 0;

        /* Check autoneg */
        if (autoneg_enabled == AUTONEG_ENABLE) {
                /* If autoneg was not already enabled */
                if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
                        /* If autoneg is not supported, return error */
                        if (!ethtool_link_ksettings_test_link_mode(ks,
                                                                   supported,
                                                                   Autoneg)) {
                                netdev_info(netdev, "Autoneg not supported on this phy.\n");
                                err = -EINVAL;
                        } else {
                                /* Autoneg is allowed to change */
                                config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
                                *autoneg_changed = 1;
                        }
                }
        } else {
                /* If autoneg is currently enabled */
                if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
                        /* If autoneg is supported 10GBASE_T is the only PHY
                         * that can disable it, so otherwise return error
                         */
                        if (ethtool_link_ksettings_test_link_mode(ks,
                                                                  supported,
                                                                  Autoneg)) {
                                netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
                                err = -EINVAL;
                        } else {
                                /* Autoneg is allowed to change */
                                config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
                                *autoneg_changed = 1;
                        }
                }
        }

        return err;
}

/**
 * ice_set_phy_type_from_speed - set phy_types based on speeds
 * and advertised modes
 * @ks: ethtool link ksettings struct
 * @phy_type_low: pointer to the lower part of phy_type
 * @phy_type_high: pointer to the higher part of phy_type
 * @adv_link_speed: targeted link speeds bitmap
 */
static void
ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
                            u64 *phy_type_low, u64 *phy_type_high,
                            u16 adv_link_speed)
{
        /* Handle 1000M speed in a special way because ice_update_phy_type
         * enables all link modes, but having mixed copper and optical
         * standards is not supported.
         */
        adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;

        if (ethtool_link_ksettings_test_link_mode(ks, advertising,
                                                  1000baseT_Full))
                *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
                                 ICE_PHY_TYPE_LOW_1G_SGMII;

        if (ethtool_link_ksettings_test_link_mode(ks, advertising,
                                                  1000baseKX_Full))
                *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;

        if (ethtool_link_ksettings_test_link_mode(ks, advertising,
                                                  1000baseX_Full))
                *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
                                 ICE_PHY_TYPE_LOW_1000BASE_LX;

        ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
}

/**
 * ice_set_link_ksettings - Set Speed and Duplex
 * @netdev: network interface device structure
 * @ks: ethtool ksettings
 *
 * Set speed/duplex per media_types advertised/forced
 */
static int
ice_set_link_ksettings(struct net_device *netdev,
                       const struct ethtool_link_ksettings *ks)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
        struct ethtool_link_ksettings copy_ks = *ks;
        struct ethtool_link_ksettings safe_ks = {};
        struct ice_aqc_get_phy_caps_data *phy_caps;
        struct ice_aqc_set_phy_cfg_data config;
        u16 adv_link_speed, curr_link_speed;
        struct ice_pf *pf = np->vsi->back;
        struct ice_port_info *pi;
        u8 autoneg_changed = 0;
        u64 phy_type_high = 0;
        u64 phy_type_low = 0;
        bool linkup;
        int err;

        pi = np->vsi->port_info;

        if (!pi)
                return -EIO;

        if (pi->phy.media_type != ICE_MEDIA_BASET &&
            pi->phy.media_type != ICE_MEDIA_FIBER &&
            pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
            pi->phy.media_type != ICE_MEDIA_DA &&
            pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
                return -EOPNOTSUPP;

        phy_caps = kzalloc_obj(*phy_caps);
        if (!phy_caps)
                return -ENOMEM;

        /* Get the PHY capabilities based on media */
        if (ice_fw_supports_report_dflt_cfg(pi->hw))
                err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
                                          phy_caps, NULL);
        else
                err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
                                          phy_caps, NULL);
        if (err)
                goto done;

        /* save autoneg out of ksettings */
        autoneg = copy_ks.base.autoneg;

        /* Get link modes supported by hardware.*/
        ice_phy_type_to_ethtool(netdev, &safe_ks);

        /* and check against modes requested by user.
         * Return an error if unsupported mode was set.
         */
        if (!bitmap_subset(copy_ks.link_modes.advertising,
                           safe_ks.link_modes.supported,
                           __ETHTOOL_LINK_MODE_MASK_NBITS)) {
                if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
                        netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
                err = -EOPNOTSUPP;
                goto done;
        }

        /* get our own copy of the bits to check against */
        memset(&safe_ks, 0, sizeof(safe_ks));
        safe_ks.base.cmd = copy_ks.base.cmd;
        safe_ks.base.link_mode_masks_nwords =
                copy_ks.base.link_mode_masks_nwords;
        ice_get_link_ksettings(netdev, &safe_ks);

        /* set autoneg back to what it currently is */
        copy_ks.base.autoneg = safe_ks.base.autoneg;
        /* we don't compare the speed */
        copy_ks.base.speed = safe_ks.base.speed;

        /* If copy_ks.base and safe_ks.base are not the same now, then they are
         * trying to set something that we do not support.
         */
        if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
                err = -EOPNOTSUPP;
                goto done;
        }

        while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
                timeout--;
                if (!timeout) {
                        err = -EBUSY;
                        goto done;
                }
                usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
        }

        /* Copy the current user PHY configuration. The current user PHY
         * configuration is initialized during probe from PHY capabilities
         * software mode, and updated on set PHY configuration.
         */
        config = pi->phy.curr_user_phy_cfg;

        config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;

        /* Check autoneg */
        err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
                                netdev);

        if (err)
                goto done;

        /* Call to get the current link speed */
        pi->phy.get_link_info = true;
        err = ice_get_link_status(pi, &linkup);
        if (err)
                goto done;

        curr_link_speed = pi->phy.curr_user_speed_req;
        adv_link_speed = ice_ksettings_find_adv_link_speed(ks);

        /* 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 (!adv_link_speed)
                adv_link_speed = curr_link_speed;

        /* Convert the advertise link speeds to their corresponded PHY_TYPE */
        ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
                                    adv_link_speed);

        if (!autoneg_changed && adv_link_speed == curr_link_speed) {
                netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
                goto done;
        }

        /* save the requested speeds */
        pi->phy.link_info.req_speeds = adv_link_speed;

        /* set link and auto negotiation so changes take effect */
        config.caps |= ICE_AQ_PHY_ENA_LINK;

        /* check if there is a PHY type for the requested advertised speed */
        if (!(phy_type_low || phy_type_high)) {
                netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
                err = -EOPNOTSUPP;
                goto done;
        }

        /* intersect requested advertised speed PHY types with media PHY types
         * for set PHY configuration
         */
        config.phy_type_high = cpu_to_le64(phy_type_high) &
                        phy_caps->phy_type_high;
        config.phy_type_low = cpu_to_le64(phy_type_low) &
                        phy_caps->phy_type_low;

        if (!(config.phy_type_high || config.phy_type_low)) {
                /* If there is no intersection and lenient mode is enabled, then
                 * intersect the requested advertised speed with NVM media type
                 * PHY types.
                 */
                if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
                        config.phy_type_high = cpu_to_le64(phy_type_high) &
                                               pf->nvm_phy_type_hi;
                        config.phy_type_low = cpu_to_le64(phy_type_low) &
                                              pf->nvm_phy_type_lo;
                } else {
                        netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
                        err = -EOPNOTSUPP;
                        goto done;
                }
        }

        /* If link is up put link down */
        if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
                /* Tell the OS link is going down, the link will go
                 * back up when fw says it is ready asynchronously
                 */
                ice_print_link_msg(np->vsi, false);
                netif_carrier_off(netdev);
                netif_tx_stop_all_queues(netdev);
        }

        /* make the aq call */
        err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
        if (err) {
                netdev_info(netdev, "Set phy config failed,\n");
                goto done;
        }

        /* Save speed request */
        pi->phy.curr_user_speed_req = adv_link_speed;
done:
        kfree(phy_caps);
        clear_bit(ICE_CFG_BUSY, pf->state);

        return err;
}

static u32 ice_parse_hdrs(const struct ethtool_rxfh_fields *nfc)
{
        u32 hdrs = ICE_FLOW_SEG_HDR_NONE;

        switch (nfc->flow_type) {
        case TCP_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case UDP_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case SCTP_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case GTPU_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case GTPC_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case GTPC_TEID_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case GTPU_EH_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case GTPU_UL_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case GTPU_DL_V4_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4;
                break;
        case TCP_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case UDP_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case SCTP_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case GTPU_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case GTPC_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case GTPC_TEID_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case GTPU_EH_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case GTPU_UL_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6;
                break;
        case GTPU_DL_V6_FLOW:
                hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6;
                break;
        default:
                break;
        }
        return hdrs;
}

static u64 ice_parse_hash_flds(const struct ethtool_rxfh_fields *nfc, bool symm)
{
        u64 hfld = ICE_HASH_INVALID;

        if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
                switch (nfc->flow_type) {
                case TCP_V4_FLOW:
                case UDP_V4_FLOW:
                case SCTP_V4_FLOW:
                case GTPU_V4_FLOW:
                case GTPC_V4_FLOW:
                case GTPC_TEID_V4_FLOW:
                case GTPU_EH_V4_FLOW:
                case GTPU_UL_V4_FLOW:
                case GTPU_DL_V4_FLOW:
                        if (nfc->data & RXH_IP_SRC)
                                hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
                        if (nfc->data & RXH_IP_DST)
                                hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
                        break;
                case TCP_V6_FLOW:
                case UDP_V6_FLOW:
                case SCTP_V6_FLOW:
                case GTPU_V6_FLOW:
                case GTPC_V6_FLOW:
                case GTPC_TEID_V6_FLOW:
                case GTPU_EH_V6_FLOW:
                case GTPU_UL_V6_FLOW:
                case GTPU_DL_V6_FLOW:
                        if (nfc->data & RXH_IP_SRC)
                                hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
                        if (nfc->data & RXH_IP_DST)
                                hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
                        break;
                default:
                        break;
                }
        }

        if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
                switch (nfc->flow_type) {
                case TCP_V4_FLOW:
                case TCP_V6_FLOW:
                        if (nfc->data & RXH_L4_B_0_1)
                                hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
                        if (nfc->data & RXH_L4_B_2_3)
                                hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
                        break;
                case UDP_V4_FLOW:
                case UDP_V6_FLOW:
                        if (nfc->data & RXH_L4_B_0_1)
                                hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
                        if (nfc->data & RXH_L4_B_2_3)
                                hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
                        break;
                case SCTP_V4_FLOW:
                case SCTP_V6_FLOW:
                        if (nfc->data & RXH_L4_B_0_1)
                                hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
                        if (nfc->data & RXH_L4_B_2_3)
                                hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
                        break;
                default:
                        break;
                }
        }

        if (nfc->data & RXH_GTP_TEID) {
                switch (nfc->flow_type) {
                case GTPC_TEID_V4_FLOW:
                case GTPC_TEID_V6_FLOW:
                        hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID;
                        break;
                case GTPU_V4_FLOW:
                case GTPU_V6_FLOW:
                        hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID;
                        break;
                case GTPU_EH_V4_FLOW:
                case GTPU_EH_V6_FLOW:
                        hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID;
                        break;
                case GTPU_UL_V4_FLOW:
                case GTPU_UL_V6_FLOW:
                        hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID;
                        break;
                case GTPU_DL_V4_FLOW:
                case GTPU_DL_V6_FLOW:
                        hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID;
                        break;
                default:
                        break;
                }
        }

        return hfld;
}

static int
ice_set_rxfh_fields(struct net_device *netdev,
                    const struct ethtool_rxfh_fields *nfc,
                    struct netlink_ext_ack *extack)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        struct ice_rss_hash_cfg cfg;
        struct device *dev;
        u64 hashed_flds;
        int status;
        bool symm;
        u32 hdrs;

        dev = ice_pf_to_dev(pf);
        if (ice_is_safe_mode(pf)) {
                dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
                        vsi->vsi_num);
                return -EINVAL;
        }

        symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ);
        hashed_flds = ice_parse_hash_flds(nfc, symm);
        if (hashed_flds == ICE_HASH_INVALID) {
                dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
                        vsi->vsi_num);
                return -EINVAL;
        }

        hdrs = ice_parse_hdrs(nfc);
        if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
                dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
                        vsi->vsi_num);
                return -EINVAL;
        }

        cfg.hash_flds = hashed_flds;
        cfg.addl_hdrs = hdrs;
        cfg.hdr_type = ICE_RSS_ANY_HEADERS;
        cfg.symm = symm;

        status = ice_add_rss_cfg(&pf->hw, vsi, &cfg);
        if (status) {
                dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
                        vsi->vsi_num, status);
                return status;
        }

        return 0;
}

static int
ice_get_rxfh_fields(struct net_device *netdev, struct ethtool_rxfh_fields *nfc)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        struct device *dev;
        u64 hash_flds;
        bool symm;
        u32 hdrs;

        dev = ice_pf_to_dev(pf);

        nfc->data = 0;
        if (ice_is_safe_mode(pf)) {
                dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
                        vsi->vsi_num);
                return 0;
        }

        hdrs = ice_parse_hdrs(nfc);
        if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
                dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
                        vsi->vsi_num);
                return 0;
        }

        hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm);
        if (hash_flds == ICE_HASH_INVALID) {
                dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
                        vsi->vsi_num);
                return 0;
        }

        if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
            hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
                nfc->data |= (u64)RXH_IP_SRC;

        if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
            hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
                nfc->data |= (u64)RXH_IP_DST;

        if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
            hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
            hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
                nfc->data |= (u64)RXH_L4_B_0_1;

        if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
            hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
            hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
                nfc->data |= (u64)RXH_L4_B_2_3;

        if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID ||
            hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID ||
            hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID ||
            hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID ||
            hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID)
                nfc->data |= (u64)RXH_GTP_TEID;

        return 0;
}

/**
 * ice_set_rxnfc - command to set Rx flow rules.
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 *
 * Returns 0 for success and negative values for errors
 */
static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;

        switch (cmd->cmd) {
        case ETHTOOL_SRXCLSRLINS:
                return ice_add_fdir_ethtool(vsi, cmd);
        case ETHTOOL_SRXCLSRLDEL:
                return ice_del_fdir_ethtool(vsi, cmd);
        default:
                break;
        }
        return -EOPNOTSUPP;
}

/**
 * ice_get_rx_ring_count - get RX ring count
 * @netdev: network interface device structure
 *
 * Return: number of RX rings.
 */
static u32 ice_get_rx_ring_count(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;

        return vsi->rss_size;
}

/**
 * ice_get_rxnfc - command to get Rx flow classification rules
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 * @rule_locs: buffer to rturn Rx flow classification rules
 *
 * Returns Success if the command is supported.
 */
static int
ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
              u32 __always_unused *rule_locs)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        int ret = -EOPNOTSUPP;
        struct ice_hw *hw;

        hw = &vsi->back->hw;

        switch (cmd->cmd) {
        case ETHTOOL_GRXCLSRLCNT:
                cmd->rule_cnt = hw->fdir_active_fltr;
                /* report total rule count */
                cmd->data = ice_get_fdir_cnt_all(hw);
                ret = 0;
                break;
        case ETHTOOL_GRXCLSRULE:
                ret = ice_get_ethtool_fdir_entry(hw, cmd);
                break;
        case ETHTOOL_GRXCLSRLALL:
                ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
                break;
        default:
                break;
        }

        return ret;
}

static void
ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
                  struct kernel_ethtool_ringparam *kernel_ring,
                  struct netlink_ext_ack *extack)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_hw *hw;

        hw = &vsi->back->hw;
        ring->rx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw);
        ring->tx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw);
        if (vsi->tx_rings && vsi->rx_rings) {
                ring->rx_pending = vsi->rx_rings[0]->count;
                ring->tx_pending = vsi->tx_rings[0]->count;
        } else {
                ring->rx_pending = 0;
                ring->tx_pending = 0;
        }

        /* Rx mini and jumbo rings are not supported */
        ring->rx_mini_max_pending = 0;
        ring->rx_jumbo_max_pending = 0;
        ring->rx_mini_pending = 0;
        ring->rx_jumbo_pending = 0;

        kernel_ring->tcp_data_split = vsi->hsplit ?
                                      ETHTOOL_TCP_DATA_SPLIT_ENABLED :
                                      ETHTOOL_TCP_DATA_SPLIT_DISABLED;
}

static int
ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
                  struct kernel_ethtool_ringparam *kernel_ring,
                  struct netlink_ext_ack *extack)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_tx_ring *xdp_rings = NULL;
        struct ice_tx_ring *tx_rings = NULL;
        struct ice_rx_ring *rx_rings = NULL;
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        int i, timeout = 50, err = 0;
        struct ice_hw *hw = &pf->hw;
        u16 new_rx_cnt, new_tx_cnt;
        bool hsplit;

        if (ring->tx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) ||
            ring->tx_pending < ICE_MIN_NUM_DESC ||
            ring->rx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) ||
            ring->rx_pending < ICE_MIN_NUM_DESC) {
                netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
                           ring->tx_pending, ring->rx_pending,
                           ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC_BY_MAC(hw),
                           ICE_REQ_DESC_MULTIPLE);
                return -EINVAL;
        }

        /* Return if there is no rings (device is reloading) */
        if (!vsi->tx_rings || !vsi->rx_rings)
                return -EBUSY;

        new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
        if (new_tx_cnt != ring->tx_pending)
                netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
                            new_tx_cnt);
        new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
        if (new_rx_cnt != ring->rx_pending)
                netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
                            new_rx_cnt);

        hsplit = kernel_ring->tcp_data_split == ETHTOOL_TCP_DATA_SPLIT_ENABLED;

        /* if nothing to do return success */
        if (new_tx_cnt == vsi->tx_rings[0]->count &&
            new_rx_cnt == vsi->rx_rings[0]->count &&
            hsplit == vsi->hsplit) {
                netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
                return 0;
        }

        /* If there is a AF_XDP UMEM attached to any of Rx rings,
         * disallow changing the number of descriptors -- regardless
         * if the netdev is running or not.
         */
        if (ice_xsk_any_rx_ring_ena(vsi))
                return -EBUSY;

        while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
                timeout--;
                if (!timeout)
                        return -EBUSY;
                usleep_range(1000, 2000);
        }

        /* set for the next time the netdev is started */
        if (!netif_running(vsi->netdev)) {
                ice_for_each_alloc_txq(vsi, i)
                        vsi->tx_rings[i]->count = new_tx_cnt;
                ice_for_each_alloc_rxq(vsi, i)
                        vsi->rx_rings[i]->count = new_rx_cnt;
                if (ice_is_xdp_ena_vsi(vsi))
                        ice_for_each_xdp_txq(vsi, i)
                                vsi->xdp_rings[i]->count = new_tx_cnt;
                vsi->num_tx_desc = (u16)new_tx_cnt;
                vsi->num_rx_desc = (u16)new_rx_cnt;
                vsi->hsplit = hsplit;

                netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
                goto done;
        }

        if (new_tx_cnt == vsi->tx_rings[0]->count)
                goto process_rx;

        /* alloc updated Tx resources */
        netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
                    vsi->tx_rings[0]->count, new_tx_cnt);

        tx_rings = kzalloc_objs(*tx_rings, vsi->num_txq);
        if (!tx_rings) {
                err = -ENOMEM;
                goto done;
        }

        ice_for_each_txq(vsi, i) {
                /* clone ring and setup updated count */
                tx_rings[i] = *vsi->tx_rings[i];
                tx_rings[i].count = new_tx_cnt;
                tx_rings[i].desc = NULL;
                tx_rings[i].tx_buf = NULL;
                tx_rings[i].tstamp_ring = NULL;
                tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
                err = ice_setup_tx_ring(&tx_rings[i]);
                if (err) {
                        while (i--)
                                ice_clean_tx_ring(&tx_rings[i]);
                        kfree(tx_rings);
                        goto done;
                }
        }

        if (!ice_is_xdp_ena_vsi(vsi))
                goto process_rx;

        /* alloc updated XDP resources */
        netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
                    vsi->xdp_rings[0]->count, new_tx_cnt);

        xdp_rings = kzalloc_objs(*xdp_rings, vsi->num_xdp_txq);
        if (!xdp_rings) {
                err = -ENOMEM;
                goto free_tx;
        }

        ice_for_each_xdp_txq(vsi, i) {
                /* clone ring and setup updated count */
                xdp_rings[i] = *vsi->xdp_rings[i];
                xdp_rings[i].count = new_tx_cnt;
                xdp_rings[i].desc = NULL;
                xdp_rings[i].tx_buf = NULL;
                err = ice_setup_tx_ring(&xdp_rings[i]);
                if (err) {
                        while (i--)
                                ice_clean_tx_ring(&xdp_rings[i]);
                        kfree(xdp_rings);
                        goto free_tx;
                }
                ice_set_ring_xdp(&xdp_rings[i]);
        }

process_rx:
        if (new_rx_cnt == vsi->rx_rings[0]->count)
                goto process_link;

        /* alloc updated Rx resources */
        netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
                    vsi->rx_rings[0]->count, new_rx_cnt);

        rx_rings = kzalloc_objs(*rx_rings, vsi->num_rxq);
        if (!rx_rings) {
                err = -ENOMEM;
                goto free_xdp;
        }

        ice_for_each_rxq(vsi, i) {
                /* clone ring and setup updated count */
                rx_rings[i] = *vsi->rx_rings[i];
                rx_rings[i].count = new_rx_cnt;
                rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
                rx_rings[i].desc = NULL;
                rx_rings[i].xdp_buf = NULL;
                rx_rings[i].xdp_rxq = (struct xdp_rxq_info){ };

                /* this is to allow wr32 to have something to write to
                 * during early allocation of Rx buffers
                 */
                rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;

                err = ice_setup_rx_ring(&rx_rings[i]);
                if (err)
                        goto rx_unwind;
rx_unwind:
                if (err) {
                        while (i) {
                                i--;
                                ice_free_rx_ring(&rx_rings[i]);
                        }
                        kfree(rx_rings);
                        err = -ENOMEM;
                        goto free_xdp;
                }
        }

process_link:
        vsi->hsplit = hsplit;

        /* Bring interface down, copy in the new ring info, then restore the
         * interface. if VSI is up, bring it down and then back up
         */
        if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
                ice_down(vsi);

                if (tx_rings) {
                        ice_for_each_txq(vsi, i) {
                                ice_free_tx_ring(vsi->tx_rings[i]);
                                *vsi->tx_rings[i] = tx_rings[i];
                        }
                        kfree(tx_rings);
                }

                if (rx_rings) {
                        ice_for_each_rxq(vsi, i) {
                                ice_free_rx_ring(vsi->rx_rings[i]);
                                /* copy 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;
                                *vsi->rx_rings[i] = rx_rings[i];
                        }
                        kfree(rx_rings);
                }

                if (xdp_rings) {
                        ice_for_each_xdp_txq(vsi, i) {
                                ice_free_tx_ring(vsi->xdp_rings[i]);
                                *vsi->xdp_rings[i] = xdp_rings[i];
                        }
                        kfree(xdp_rings);
                }

                vsi->num_tx_desc = new_tx_cnt;
                vsi->num_rx_desc = new_rx_cnt;
                ice_up(vsi);
        }
        goto done;

free_xdp:
        if (xdp_rings) {
                ice_for_each_xdp_txq(vsi, i)
                        ice_free_tx_ring(&xdp_rings[i]);
                kfree(xdp_rings);
        }

free_tx:
        /* error cleanup if the Rx allocations failed after getting Tx */
        if (tx_rings) {
                ice_for_each_txq(vsi, i)
                        ice_free_tx_ring(&tx_rings[i]);
                kfree(tx_rings);
        }

done:
        clear_bit(ICE_CFG_BUSY, pf->state);
        return err;
}

/**
 * ice_get_pauseparam - Get Flow Control status
 * @netdev: network interface device structure
 * @pause: ethernet pause (flow control) parameters
 *
 * Get requested flow control status from PHY capability.
 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
 * the negotiated Rx/Tx pause via lp_advertising.
 */
static void
ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_port_info *pi = np->vsi->port_info;
        struct ice_aqc_get_phy_caps_data *pcaps;
        struct ice_dcbx_cfg *dcbx_cfg;
        int status;

        /* Initialize pause params */
        pause->rx_pause = 0;
        pause->tx_pause = 0;

        dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;

        pcaps = kzalloc_obj(*pcaps);
        if (!pcaps)
                return;

        /* Get current PHY config */
        status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
                                     NULL);
        if (status)
                goto out;

        pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
                                                             AUTONEG_DISABLE;

        if (dcbx_cfg->pfc.pfcena)
                /* PFC enabled so report LFC as off */
                goto out;

        if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
                pause->tx_pause = 1;
        if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
                pause->rx_pause = 1;

out:
        kfree(pcaps);
}

/**
 * ice_set_pauseparam - Set Flow Control parameter
 * @netdev: network interface device structure
 * @pause: return Tx/Rx flow control status
 */
static int
ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_aqc_get_phy_caps_data *pcaps;
        struct ice_link_status *hw_link_info;
        struct ice_pf *pf = np->vsi->back;
        struct ice_dcbx_cfg *dcbx_cfg;
        struct ice_vsi *vsi = np->vsi;
        struct ice_hw *hw = &pf->hw;
        struct ice_port_info *pi;
        u8 aq_failures;
        bool link_up;
        u32 is_an;
        int err;

        pi = vsi->port_info;
        hw_link_info = &pi->phy.link_info;
        dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
        link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;

        /* Changing the port's flow control is not supported if this isn't the
         * PF VSI
         */
        if (vsi->type != ICE_VSI_PF) {
                netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
                return -EOPNOTSUPP;
        }

        /* Get pause param reports configured and negotiated flow control pause
         * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
         * defined get pause param pause->autoneg reports SW configured setting,
         * so compare pause->autoneg with SW configured to prevent the user from
         * using set pause param to chance autoneg.
         */
        pcaps = kzalloc_obj(*pcaps);
        if (!pcaps)
                return -ENOMEM;

        /* Get current PHY config */
        err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
                                  NULL);
        if (err) {
                kfree(pcaps);
                return err;
        }

        is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
                                                    AUTONEG_DISABLE;

        kfree(pcaps);

        if (pause->autoneg != is_an) {
                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(ICE_DOWN, pf->state) &&
            !(hw_link_info->an_info & ICE_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");
        }

        if (dcbx_cfg->pfc.pfcena) {
                netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
                return -EOPNOTSUPP;
        }
        if (pause->rx_pause && pause->tx_pause)
                pi->fc.req_mode = ICE_FC_FULL;
        else if (pause->rx_pause && !pause->tx_pause)
                pi->fc.req_mode = ICE_FC_RX_PAUSE;
        else if (!pause->rx_pause && pause->tx_pause)
                pi->fc.req_mode = ICE_FC_TX_PAUSE;
        else if (!pause->rx_pause && !pause->tx_pause)
                pi->fc.req_mode = ICE_FC_NONE;
        else
                return -EINVAL;

        /* Set the FC mode and only restart AN if link is up */
        err = ice_set_fc(pi, &aq_failures, link_up);

        if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
                netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
                            err, libie_aq_str(hw->adminq.sq_last_status));
                err = -EAGAIN;
        } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
                netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
                            err, libie_aq_str(hw->adminq.sq_last_status));
                err = -EAGAIN;
        } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
                netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
                            err, libie_aq_str(hw->adminq.sq_last_status));
                err = -EAGAIN;
        }

        return err;
}

/**
 * ice_get_rxfh_key_size - get the RSS hash key size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 */
static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
{
        return ICE_VSIQF_HKEY_ARRAY_SIZE;
}

/**
 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 */
static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);

        return np->vsi->rss_table_size;
}

/**
 * ice_get_rxfh - get the Rx flow hash indirection table
 * @netdev: network interface device structure
 * @rxfh: pointer to param struct (indir, key, hfunc)
 *
 * Reads the indirection table directly from the hardware.
 */
static int
ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        u16 qcount, offset;
        int err, i;
        u8 *lut;

        if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
                netdev_warn(netdev, "RSS is not supported on this VSI!\n");
                return -EOPNOTSUPP;
        }

        qcount = vsi->mqprio_qopt.qopt.count[0];
        offset = vsi->mqprio_qopt.qopt.offset[0];

        rxfh->hfunc = ETH_RSS_HASH_TOP;
        if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)
                rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;

        if (!rxfh->indir)
                return 0;

        lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
        if (!lut)
                return -ENOMEM;

        err = ice_get_rss(vsi, rxfh->key, lut, vsi->rss_table_size);
        if (err)
                goto out;

        if (ice_is_adq_active(pf)) {
                for (i = 0; i < vsi->rss_table_size; i++)
                        rxfh->indir[i] = offset + lut[i] % qcount;
                goto out;
        }

        for (i = 0; i < vsi->rss_table_size; i++)
                rxfh->indir[i] = lut[i];

out:
        kfree(lut);
        return err;
}

/**
 * ice_set_rxfh - set the Rx flow hash indirection table
 * @netdev: network interface device structure
 * @rxfh: pointer to param struct (indir, key, hfunc)
 * @extack: extended ACK from the Netlink message
 *
 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
 * returns 0 after programming the table.
 */
static int
ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
             struct netlink_ext_ack *extack)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        struct device *dev;
        int err;

        dev = ice_pf_to_dev(pf);
        if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
            rxfh->hfunc != ETH_RSS_HASH_TOP)
                return -EOPNOTSUPP;

        if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
                /* RSS not supported return error here */
                netdev_warn(netdev, "RSS is not configured on this VSI!\n");
                return -EIO;
        }

        if (ice_is_adq_active(pf)) {
                netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
                return -EOPNOTSUPP;
        }

        /* Update the VSI's hash function */
        if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)
                hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;

        err = ice_set_rss_hfunc(vsi, hfunc);
        if (err)
                return err;

        if (rxfh->key) {
                if (!vsi->rss_hkey_user) {
                        vsi->rss_hkey_user =
                                devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
                                             GFP_KERNEL);
                        if (!vsi->rss_hkey_user)
                                return -ENOMEM;
                }
                memcpy(vsi->rss_hkey_user, rxfh->key,
                       ICE_VSIQF_HKEY_ARRAY_SIZE);

                err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
                if (err)
                        return err;
        }

        if (!vsi->rss_lut_user) {
                vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
                                                 GFP_KERNEL);
                if (!vsi->rss_lut_user)
                        return -ENOMEM;
        }

        /* Each 32 bits pointed by 'indir' is stored with a lut entry */
        if (rxfh->indir) {
                int i;

                for (i = 0; i < vsi->rss_table_size; i++)
                        vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);
        } else {
                ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
                                 vsi->rss_size);
        }

        err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
        if (err)
                return err;

        return 0;
}

static int
ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info)
{
        struct ice_pf *pf = ice_netdev_to_pf(dev);

        /* only report timestamping if PTP is enabled */
        if (pf->ptp.state != ICE_PTP_READY)
                return ethtool_op_get_ts_info(dev, info);

        info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
                                SOF_TIMESTAMPING_TX_HARDWARE |
                                SOF_TIMESTAMPING_RX_HARDWARE |
                                SOF_TIMESTAMPING_RAW_HARDWARE;

        info->phc_index = ice_ptp_clock_index(pf);

        info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);

        info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);

        return 0;
}

/**
 * ice_get_combined_cnt - return the current number of combined channels
 * @vsi: PF VSI pointer
 *
 * Go through all queue vectors and count ones that have both Rx and Tx ring
 * attached
 */
static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
{
        u32 combined = 0;
        int q_idx;

        ice_for_each_q_vector(vsi, q_idx) {
                struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];

                combined += min(q_vector->num_ring_tx, q_vector->num_ring_rx);
        }

        return combined;
}

/**
 * ice_get_channels - get the current and max supported channels
 * @dev: network interface device structure
 * @ch: ethtool channel data structure
 */
static void
ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
{
        struct ice_netdev_priv *np = netdev_priv(dev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;

        /* report maximum channels */
        ch->max_rx = ice_get_max_rxq(pf);
        ch->max_tx = ice_get_max_txq(pf);
        ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);

        /* report current channels */
        ch->combined_count = ice_get_combined_cnt(vsi);
        ch->rx_count = vsi->num_rxq - ch->combined_count;
        ch->tx_count = vsi->num_txq - ch->combined_count;

        /* report other queues */
        ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
        ch->max_other = ch->other_count;
}

/**
 * ice_get_valid_rss_size - return valid number of RSS queues
 * @hw: pointer to the HW structure
 * @new_size: requested RSS queues
 */
static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
{
        struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;

        return min_t(int, new_size, BIT(caps->rss_table_entry_width));
}

/**
 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
 * @vsi: VSI to reconfigure RSS LUT on
 * @req_rss_size: requested range of queue numbers for hashing
 *
 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
 */
static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
{
        struct ice_pf *pf = vsi->back;
        struct device *dev;
        struct ice_hw *hw;
        int err;
        u8 *lut;

        dev = ice_pf_to_dev(pf);
        hw = &pf->hw;

        if (!req_rss_size)
                return -EINVAL;

        lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
        if (!lut)
                return -ENOMEM;

        /* set RSS LUT parameters */
        if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
                vsi->rss_size = 1;
        else
                vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);

        /* create/set RSS LUT */
        ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
        err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
        if (err)
                dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
                        libie_aq_str(hw->adminq.sq_last_status));

        kfree(lut);
        return err;
}

/**
 * ice_set_channels - set the number channels
 * @dev: network interface device structure
 * @ch: ethtool channel data structure
 */
static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
{
        struct ice_netdev_priv *np = netdev_priv(dev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;
        int new_rx = 0, new_tx = 0;
        bool locked = false;
        int ret = 0;

        /* do not support changing channels in Safe Mode */
        if (ice_is_safe_mode(pf)) {
                netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
                return -EOPNOTSUPP;
        }
        /* do not support changing other_count */
        if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
                return -EINVAL;

        if (ice_is_adq_active(pf)) {
                netdev_err(dev, "Cannot set channels with ADQ configured.\n");
                return -EOPNOTSUPP;
        }

        if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
                netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
                return -EOPNOTSUPP;
        }

        if (ch->rx_count && ch->tx_count) {
                netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n");
                return -EINVAL;
        }

        new_rx = ch->combined_count + ch->rx_count;
        new_tx = ch->combined_count + ch->tx_count;

        if (new_rx < vsi->tc_cfg.numtc) {
                netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
                           vsi->tc_cfg.numtc);
                return -EINVAL;
        }
        if (new_tx < vsi->tc_cfg.numtc) {
                netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
                           vsi->tc_cfg.numtc);
                return -EINVAL;
        }
        if (new_rx > ice_get_max_rxq(pf)) {
                netdev_err(dev, "Maximum allowed Rx channels is %d\n",
                           ice_get_max_rxq(pf));
                return -EINVAL;
        }
        if (new_tx > ice_get_max_txq(pf)) {
                netdev_err(dev, "Maximum allowed Tx channels is %d\n",
                           ice_get_max_txq(pf));
                return -EINVAL;
        }

        if (pf->cdev_info && pf->cdev_info->adev) {
                mutex_lock(&pf->adev_mutex);
                device_lock(&pf->cdev_info->adev->dev);
                locked = true;
                if (pf->cdev_info->adev->dev.driver) {
                        netdev_err(dev, "Cannot change channels when RDMA is active\n");
                        ret = -EBUSY;
                        goto adev_unlock;
                }
        }

        ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);

        if (!netif_is_rxfh_configured(dev)) {
                ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
                goto adev_unlock;
        }

        /* Update rss_size due to change in Rx queues */
        vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);

adev_unlock:
        if (locked) {
                device_unlock(&pf->cdev_info->adev->dev);
                mutex_unlock(&pf->adev_mutex);
        }
        return ret;
}

/**
 * ice_get_wol - get current Wake on LAN configuration
 * @netdev: network interface device structure
 * @wol: Ethtool structure to retrieve WoL settings
 */
static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_pf *pf = np->vsi->back;

        if (np->vsi->type != ICE_VSI_PF)
                netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");

        /* Get WoL settings based on the HW capability */
        if (ice_is_wol_supported(&pf->hw)) {
                wol->supported = WAKE_MAGIC;
                wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
        } else {
                wol->supported = 0;
                wol->wolopts = 0;
        }
}

/**
 * ice_set_wol - set Wake on LAN on supported device
 * @netdev: network interface device structure
 * @wol: Ethtool structure to set WoL
 */
static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;
        struct ice_pf *pf = vsi->back;

        if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
                return -EOPNOTSUPP;

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

        /* Set WoL only if there is a new value */
        if (pf->wol_ena != !!wol->wolopts) {
                pf->wol_ena = !!wol->wolopts;
                device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
                netdev_dbg(netdev, "WoL magic packet %sabled\n",
                           pf->wol_ena ? "en" : "dis");
        }

        return 0;
}

/**
 * ice_get_rc_coalesce - get ITR values for specific ring container
 * @ec: ethtool structure to fill with driver's coalesce settings
 * @rc: ring container that the ITR values will come from
 *
 * Query the device for ice_ring_container specific ITR values. This is
 * done per ice_ring_container because each q_vector can have 1 or more rings
 * and all of said ring(s) will have the same ITR values.
 *
 * Returns 0 on success, negative otherwise.
 */
static int
ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
{
        if (!rc->rx_ring)
                return -EINVAL;

        switch (rc->type) {
        case ICE_RX_CONTAINER:
                ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
                ec->rx_coalesce_usecs = rc->itr_setting;
                ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
                break;
        case ICE_TX_CONTAINER:
                ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
                ec->tx_coalesce_usecs = rc->itr_setting;
                break;
        default:
                dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
                return -EINVAL;
        }

        return 0;
}

/**
 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
 * @ec: coalesce settings to program the device with
 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
 *
 * Return 0 on success, and negative under the following conditions:
 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
 */
static int
ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
{
        if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
                if (ice_get_rc_coalesce(ec,
                                        &vsi->rx_rings[q_num]->q_vector->rx))
                        return -EINVAL;
                if (ice_get_rc_coalesce(ec,
                                        &vsi->tx_rings[q_num]->q_vector->tx))
                        return -EINVAL;
        } else if (q_num < vsi->num_rxq) {
                if (ice_get_rc_coalesce(ec,
                                        &vsi->rx_rings[q_num]->q_vector->rx))
                        return -EINVAL;
        } else if (q_num < vsi->num_txq) {
                if (ice_get_rc_coalesce(ec,
                                        &vsi->tx_rings[q_num]->q_vector->tx))
                        return -EINVAL;
        } else {
                return -EINVAL;
        }

        return 0;
}

/**
 * __ice_get_coalesce - get ITR/INTRL values for the device
 * @netdev: pointer to the netdev associated with this query
 * @ec: ethtool structure to fill with driver's coalesce settings
 * @q_num: queue number to get the coalesce settings for
 *
 * If the caller passes in a negative q_num then we return coalesce settings
 * based on queue number 0, else use the actual q_num passed in.
 */
static int
__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
                   int q_num)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;

        if (q_num < 0)
                q_num = 0;

        if (ice_get_q_coalesce(vsi, ec, q_num))
                return -EINVAL;

        return 0;
}

static int ice_get_coalesce(struct net_device *netdev,
                            struct ethtool_coalesce *ec,
                            struct kernel_ethtool_coalesce *kernel_coal,
                            struct netlink_ext_ack *extack)
{
        return __ice_get_coalesce(netdev, ec, -1);
}

static int
ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
                       struct ethtool_coalesce *ec)
{
        return __ice_get_coalesce(netdev, ec, q_num);
}

/**
 * ice_set_rc_coalesce - set ITR values for specific ring container
 * @ec: ethtool structure from user to update ITR settings
 * @rc: ring container that the ITR values will come from
 * @vsi: VSI associated to the ring container
 *
 * Set specific ITR values. This is done per ice_ring_container because each
 * q_vector can have 1 or more rings and all of said ring(s) will have the same
 * ITR values.
 *
 * Returns 0 on success, negative otherwise.
 */
static int
ice_set_rc_coalesce(struct ethtool_coalesce *ec,
                    struct ice_ring_container *rc, struct ice_vsi *vsi)
{
        const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
        u32 use_adaptive_coalesce, coalesce_usecs;
        struct ice_pf *pf = vsi->back;
        u16 itr_setting;

        if (!rc->rx_ring)
                return -EINVAL;

        switch (rc->type) {
        case ICE_RX_CONTAINER:
        {
                struct ice_q_vector *q_vector = rc->rx_ring->q_vector;

                if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
                    (ec->rx_coalesce_usecs_high &&
                     ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
                        netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
                                    c_type_str, pf->hw.intrl_gran,
                                    ICE_MAX_INTRL);
                        return -EINVAL;
                }
                if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
                    (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
                        netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
                                    c_type_str);
                        return -EINVAL;
                }
                if (ec->rx_coalesce_usecs_high != q_vector->intrl)
                        q_vector->intrl = ec->rx_coalesce_usecs_high;

                use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
                coalesce_usecs = ec->rx_coalesce_usecs;

                break;
        }
        case ICE_TX_CONTAINER:
                use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
                coalesce_usecs = ec->tx_coalesce_usecs;

                break;
        default:
                dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
                        rc->type);
                return -EINVAL;
        }

        itr_setting = rc->itr_setting;
        if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
                netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
                            c_type_str, c_type_str);
                return -EINVAL;
        }

        if (coalesce_usecs > ICE_ITR_MAX) {
                netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
                            c_type_str, ICE_ITR_MAX);
                return -EINVAL;
        }

        if (use_adaptive_coalesce) {
                rc->itr_mode = ITR_DYNAMIC;
        } else {
                rc->itr_mode = ITR_STATIC;
                /* store user facing value how it was set */
                rc->itr_setting = coalesce_usecs;
                /* write the change to the register */
                ice_write_itr(rc, coalesce_usecs);
                /* force writes to take effect immediately, the flush shouldn't
                 * be done in the functions above because the intent is for
                 * them to do lazy writes.
                 */
                ice_flush(&pf->hw);
        }

        return 0;
}

/**
 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
 * @vsi: VSI associated to the queue that need updating
 * @ec: coalesce settings to program the device with
 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
 *
 * Return 0 on success, and negative under the following conditions:
 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
 */
static int
ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
{
        if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
                if (ice_set_rc_coalesce(ec,
                                        &vsi->rx_rings[q_num]->q_vector->rx,
                                        vsi))
                        return -EINVAL;

                if (ice_set_rc_coalesce(ec,
                                        &vsi->tx_rings[q_num]->q_vector->tx,
                                        vsi))
                        return -EINVAL;
        } else if (q_num < vsi->num_rxq) {
                if (ice_set_rc_coalesce(ec,
                                        &vsi->rx_rings[q_num]->q_vector->rx,
                                        vsi))
                        return -EINVAL;
        } else if (q_num < vsi->num_txq) {
                if (ice_set_rc_coalesce(ec,
                                        &vsi->tx_rings[q_num]->q_vector->tx,
                                        vsi))
                        return -EINVAL;
        } else {
                return -EINVAL;
        }

        return 0;
}

/**
 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
 * @netdev: netdev used for print
 * @itr_setting: previous user setting
 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
 * @coalesce_usecs: requested value of [tx|rx]-usecs
 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
 */
static void
ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
                       u32 use_adaptive_coalesce, u32 coalesce_usecs,
                       const char *c_type_str)
{
        if (use_adaptive_coalesce)
                return;

        if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
                netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
                            c_type_str, coalesce_usecs, c_type_str,
                            ITR_REG_ALIGN(coalesce_usecs));
}

/**
 * __ice_set_coalesce - set ITR/INTRL values for the device
 * @netdev: pointer to the netdev associated with this query
 * @ec: ethtool structure to fill with driver's coalesce settings
 * @q_num: queue number to get the coalesce settings for
 *
 * If the caller passes in a negative q_num then we set the coalesce settings
 * for all Tx/Rx queues, else use the actual q_num passed in.
 */
static int
__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
                   int q_num)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_vsi *vsi = np->vsi;

        if (q_num < 0) {
                struct ice_q_vector *q_vector = vsi->q_vectors[0];
                int v_idx;

                if (q_vector) {
                        ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
                                               ec->use_adaptive_rx_coalesce,
                                               ec->rx_coalesce_usecs, "rx");

                        ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
                                               ec->use_adaptive_tx_coalesce,
                                               ec->tx_coalesce_usecs, "tx");
                }

                ice_for_each_q_vector(vsi, v_idx) {
                        /* In some cases if DCB is configured the num_[rx|tx]q
                         * can be less than vsi->num_q_vectors. This check
                         * accounts for that so we don't report a false failure
                         */
                        if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
                                goto set_complete;

                        if (ice_set_q_coalesce(vsi, ec, v_idx))
                                return -EINVAL;

                        ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
                }
                goto set_complete;
        }

        if (ice_set_q_coalesce(vsi, ec, q_num))
                return -EINVAL;

        ice_set_q_vector_intrl(vsi->q_vectors[q_num]);

set_complete:
        return 0;
}

static int ice_set_coalesce(struct net_device *netdev,
                            struct ethtool_coalesce *ec,
                            struct kernel_ethtool_coalesce *kernel_coal,
                            struct netlink_ext_ack *extack)
{
        return __ice_set_coalesce(netdev, ec, -1);
}

static int
ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
                       struct ethtool_coalesce *ec)
{
        return __ice_set_coalesce(netdev, ec, q_num);
}

static void
ice_repr_get_drvinfo(struct net_device *netdev,
                     struct ethtool_drvinfo *drvinfo)
{
        struct ice_repr *repr = ice_netdev_to_repr(netdev);

        if (repr->ops.ready(repr))
                return;

        __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
}

static void
ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
        struct ice_repr *repr = ice_netdev_to_repr(netdev);

        /* for port representors only ETH_SS_STATS is supported */
        if (repr->ops.ready(repr) || stringset != ETH_SS_STATS)
                return;

        __ice_get_strings(netdev, stringset, data, repr->src_vsi);
}

static void
ice_repr_get_ethtool_stats(struct net_device *netdev,
                           struct ethtool_stats __always_unused *stats,
                           u64 *data)
{
        struct ice_repr *repr = ice_netdev_to_repr(netdev);

        if (repr->ops.ready(repr))
                return;

        __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
}

static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
{
        switch (sset) {
        case ETH_SS_STATS:
                return ICE_VSI_STATS_LEN;
        default:
                return -EOPNOTSUPP;
        }
}

#define ICE_I2C_EEPROM_DEV_ADDR         0xA0
#define ICE_I2C_EEPROM_DEV_ADDR2        0xA2
#define ICE_MODULE_TYPE_SFP             0x03
#define ICE_MODULE_TYPE_QSFP_PLUS       0x0D
#define ICE_MODULE_TYPE_QSFP28          0x11
#define ICE_MODULE_SFF_ADDR_MODE        0x04
#define ICE_MODULE_SFF_DIAG_CAPAB       0x40
#define ICE_MODULE_REVISION_ADDR        0x01
#define ICE_MODULE_SFF_8472_COMP        0x5E
#define ICE_MODULE_SFF_8472_SWAP        0x5C
#define ICE_MODULE_QSFP_MAX_LEN         640

/**
 * ice_get_module_info - get SFF module type and revision information
 * @netdev: network interface device structure
 * @modinfo: module EEPROM size and layout information structure
 */
static int
ice_get_module_info(struct net_device *netdev,
                    struct ethtool_modinfo *modinfo)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_hw *hw = &pf->hw;
        u8 sff8472_comp = 0;
        u8 sff8472_swap = 0;
        u8 sff8636_rev = 0;
        u8 value = 0;
        int status;

        status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
                                   0, &value, 1, 0, NULL);
        if (status)
                return status;

        switch (value) {
        case ICE_MODULE_TYPE_SFP:
                status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
                                           ICE_MODULE_SFF_8472_COMP, 0x00, 0,
                                           &sff8472_comp, 1, 0, NULL);
                if (status)
                        return status;
                status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
                                           ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
                                           &sff8472_swap, 1, 0, NULL);
                if (status)
                        return status;

                if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
                        modinfo->type = ETH_MODULE_SFF_8079;
                        modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
                } else if (sff8472_comp &&
                           (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
                        modinfo->type = ETH_MODULE_SFF_8472;
                        modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
                } else {
                        modinfo->type = ETH_MODULE_SFF_8079;
                        modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
                }
                break;
        case ICE_MODULE_TYPE_QSFP_PLUS:
        case ICE_MODULE_TYPE_QSFP28:
                status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
                                           ICE_MODULE_REVISION_ADDR, 0x00, 0,
                                           &sff8636_rev, 1, 0, NULL);
                if (status)
                        return status;
                /* Check revision compliance */
                if (sff8636_rev > 0x02) {
                        /* Module is SFF-8636 compliant */
                        modinfo->type = ETH_MODULE_SFF_8636;
                        modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
                } else {
                        modinfo->type = ETH_MODULE_SFF_8436;
                        modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
                }
                break;
        default:
                netdev_warn(netdev, "SFF Module Type not recognized.\n");
                return -EINVAL;
        }
        return 0;
}

/**
 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
 * @netdev: network interface device structure
 * @ee: EEPROM dump request structure
 * @data: buffer to be filled with EEPROM contents
 */
static int
ice_get_module_eeprom(struct net_device *netdev,
                      struct ethtool_eeprom *ee, u8 *data)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
#define SFF_READ_BLOCK_SIZE 8
        u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
        u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
        struct ice_hw *hw = &pf->hw;
        bool is_sfp = false;
        unsigned int i;
        u16 offset = 0;
        u8 page = 0;
        int status;

        if (!ee || !ee->len || !data)
                return -EINVAL;

        status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
                                   NULL);
        if (status)
                return status;

        if (value[0] == ICE_MODULE_TYPE_SFP)
                is_sfp = true;

        memset(data, 0, ee->len);
        for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
                offset = i + ee->offset;
                page = 0;

                /* Check if we need to access the other memory page */
                if (is_sfp) {
                        if (offset >= ETH_MODULE_SFF_8079_LEN) {
                                offset -= ETH_MODULE_SFF_8079_LEN;
                                addr = ICE_I2C_EEPROM_DEV_ADDR2;
                        }
                } else {
                        while (offset >= ETH_MODULE_SFF_8436_LEN) {
                                /* Compute memory page number and offset. */
                                offset -= ETH_MODULE_SFF_8436_LEN / 2;
                                page++;
                        }
                }

                /* Bit 2 of EEPROM address 0x02 declares upper
                 * pages are disabled on QSFP modules.
                 * SFP modules only ever use page 0.
                 */
                if (page == 0 || !(data[0x2] & 0x4)) {
                        u32 copy_len;

                        status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
                                                   !is_sfp, value,
                                                   SFF_READ_BLOCK_SIZE,
                                                   0, NULL);
                        netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%pe)\n",
                                   addr, offset, page, is_sfp,
                                   value[0], value[1], value[2], value[3],
                                   value[4], value[5], value[6], value[7],
                                   ERR_PTR(status));
                        if (status) {
                                netdev_err(netdev, "%s: error reading module EEPROM: status %pe\n",
                                           __func__, ERR_PTR(status));
                                return status;
                        }

                        /* Make sure we have enough room for the new block */
                        copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
                        memcpy(data + i, value, copy_len);
                }
        }
        return 0;
}

/**
 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per
 *                          pcsquad, pcsport
 * @hw: pointer to the HW struct
 * @pcs_quad: pcsquad for input port
 * @pcs_port: pcsport for input port
 * @fec_stats: buffer to hold FEC statistics for given port
 *
 * Return: 0 on success, negative on failure.
 */
static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
                                  struct ethtool_fec_stats *fec_stats)
{
        u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0;
        u32 fec_corr_low_val = 0, fec_corr_high_val = 0;
        int err;

        if (pcs_quad > 1 || pcs_port > 3)
                return -EINVAL;

        err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW,
                                   &fec_corr_low_val);
        if (err)
                return err;

        err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH,
                                   &fec_corr_high_val);
        if (err)
                return err;

        err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,
                                   ICE_FEC_UNCORR_LOW,
                                   &fec_uncorr_low_val);
        if (err)
                return err;

        err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,
                                   ICE_FEC_UNCORR_HIGH,
                                   &fec_uncorr_high_val);
        if (err)
                return err;

        fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) +
                                             fec_corr_low_val;
        fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) +
                                                 fec_uncorr_low_val;
        return 0;
}

/**
 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev
 * @netdev: network interface device structure
 * @fec_stats: buffer to hold FEC statistics for given port
 * @hist: buffer to put FEC histogram statistics for given port
 *
 */
static void ice_get_fec_stats(struct net_device *netdev,
                              struct ethtool_fec_stats *fec_stats,
                              struct ethtool_fec_hist *hist)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);
        struct ice_port_topology port_topology;
        struct ice_port_info *pi;
        struct ice_pf *pf;
        struct ice_hw *hw;
        int err;

        pf = np->vsi->back;
        hw = &pf->hw;
        pi = np->vsi->port_info;

        /* Serdes parameters are not supported if not the PF VSI */
        if (np->vsi->type != ICE_VSI_PF || !pi)
                return;

        err = ice_get_port_topology(hw, pi->lport, &port_topology);
        if (err) {
                netdev_info(netdev, "Extended register dump failed Lport %d\n",
                            pi->lport);
                return;
        }

        /* Get FEC correctable, uncorrectable counter */
        err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select,
                                     port_topology.pcs_port, fec_stats);
        if (err)
                netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n",
                            pi->lport, err);
}

static void ice_get_eth_mac_stats(struct net_device *netdev,
                                  struct ethtool_eth_mac_stats *mac_stats)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_hw_port_stats *ps = &pf->stats;

        mac_stats->FramesTransmittedOK = ps->eth.tx_unicast +
                                         ps->eth.tx_multicast +
                                         ps->eth.tx_broadcast;
        mac_stats->FramesReceivedOK = ps->eth.rx_unicast +
                                      ps->eth.rx_multicast +
                                      ps->eth.rx_broadcast;
        mac_stats->FrameCheckSequenceErrors = ps->crc_errors;
        mac_stats->OctetsTransmittedOK = ps->eth.tx_bytes;
        mac_stats->OctetsReceivedOK = ps->eth.rx_bytes;
        mac_stats->MulticastFramesXmittedOK = ps->eth.tx_multicast;
        mac_stats->BroadcastFramesXmittedOK = ps->eth.tx_broadcast;
        mac_stats->MulticastFramesReceivedOK = ps->eth.rx_multicast;
        mac_stats->BroadcastFramesReceivedOK = ps->eth.rx_broadcast;
        mac_stats->InRangeLengthErrors = ps->rx_len_errors;
        mac_stats->FrameTooLongErrors = ps->rx_oversize;
}

static void ice_get_pause_stats(struct net_device *netdev,
                                struct ethtool_pause_stats *pause_stats)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_hw_port_stats *ps = &pf->stats;

        pause_stats->tx_pause_frames = ps->link_xon_tx + ps->link_xoff_tx;
        pause_stats->rx_pause_frames = ps->link_xon_rx + ps->link_xoff_rx;
}

static const struct ethtool_rmon_hist_range ice_rmon_ranges[] = {
        {    0,    64 },
        {   65,   127 },
        {  128,   255 },
        {  256,   511 },
        {  512,  1023 },
        { 1024,  1522 },
        { 1523,  9522 },
        {}
};

static void ice_get_rmon_stats(struct net_device *netdev,
                               struct ethtool_rmon_stats *rmon,
                               const struct ethtool_rmon_hist_range **ranges)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_hw_port_stats *ps = &pf->stats;

        rmon->undersize_pkts    = ps->rx_undersize;
        rmon->oversize_pkts     = ps->rx_oversize;
        rmon->fragments         = ps->rx_fragments;
        rmon->jabbers           = ps->rx_jabber;

        rmon->hist[0]           = ps->rx_size_64;
        rmon->hist[1]           = ps->rx_size_127;
        rmon->hist[2]           = ps->rx_size_255;
        rmon->hist[3]           = ps->rx_size_511;
        rmon->hist[4]           = ps->rx_size_1023;
        rmon->hist[5]           = ps->rx_size_1522;
        rmon->hist[6]           = ps->rx_size_big;

        rmon->hist_tx[0]        = ps->tx_size_64;
        rmon->hist_tx[1]        = ps->tx_size_127;
        rmon->hist_tx[2]        = ps->tx_size_255;
        rmon->hist_tx[3]        = ps->tx_size_511;
        rmon->hist_tx[4]        = ps->tx_size_1023;
        rmon->hist_tx[5]        = ps->tx_size_1522;
        rmon->hist_tx[6]        = ps->tx_size_big;

        *ranges = ice_rmon_ranges;
}

/* ice_get_ts_stats - provide timestamping stats
 * @netdev: the netdevice pointer from ethtool
 * @ts_stats: the ethtool data structure to fill in
 */
static void ice_get_ts_stats(struct net_device *netdev,
                             struct ethtool_ts_stats *ts_stats)
{
        struct ice_pf *pf = ice_netdev_to_pf(netdev);
        struct ice_ptp *ptp = &pf->ptp;

        ts_stats->pkts = ptp->tx_hwtstamp_good;
        ts_stats->err = ptp->tx_hwtstamp_skipped +
                        ptp->tx_hwtstamp_flushed +
                        ptp->tx_hwtstamp_discarded;
        ts_stats->lost = ptp->tx_hwtstamp_timeouts;
}

#define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \
        ETH_RESET_FILTER | ETH_RESET_OFFLOAD)

#define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \
        ETH_RESET_SHARED_SHIFT)

#define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \
        (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \
        (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT))

#define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR

/**
 * ice_ethtool_reset - triggers a given type of reset
 * @dev: network interface device structure
 * @flags: set of reset flags
 *
 * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags.
 */
static int ice_ethtool_reset(struct net_device *dev, u32 *flags)
{
        struct ice_pf *pf = ice_netdev_to_pf(dev);
        enum ice_reset_req reset;

        switch (*flags) {
        case ICE_ETHTOOL_CORER:
                reset = ICE_RESET_CORER;
                break;
        case ICE_ETHTOOL_GLOBR:
                reset = ICE_RESET_GLOBR;
                break;
        case ICE_ETHTOOL_PFR:
                reset = ICE_RESET_PFR;
                break;
        default:
                netdev_info(dev, "Unsupported set of ethtool flags");
                return -EOPNOTSUPP;
        }

        ice_schedule_reset(pf, reset);

        *flags = 0;

        return 0;
}

/**
 * ice_repr_ethtool_reset - triggers a VF reset
 * @dev: network interface device structure
 * @flags: set of reset flags
 *
 * Return: 0 on success,
 * -EOPNOTSUPP when using unsupported set of flags
 * -EBUSY when VF is not ready for reset.
 */
static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags)
{
        struct ice_repr *repr = ice_netdev_to_repr(dev);
        struct ice_vf *vf;

        if (repr->type != ICE_REPR_TYPE_VF ||
            *flags != ICE_ETHTOOL_VFR)
                return -EOPNOTSUPP;

        vf = repr->vf;

        if (ice_check_vf_ready_for_cfg(vf))
                return -EBUSY;

        *flags = 0;

        return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK);
}

static const struct ethtool_ops ice_ethtool_ops = {
        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
                                     ETHTOOL_COALESCE_USE_ADAPTIVE |
                                     ETHTOOL_COALESCE_RX_USECS_HIGH,
        .supported_input_xfrm   = RXH_XFRM_SYM_XOR,
        .supported_ring_params  = ETHTOOL_RING_USE_TCP_DATA_SPLIT,
        .get_link_ksettings     = ice_get_link_ksettings,
        .set_link_ksettings     = ice_set_link_ksettings,
        .get_fec_stats          = ice_get_fec_stats,
        .get_eth_mac_stats      = ice_get_eth_mac_stats,
        .get_pause_stats        = ice_get_pause_stats,
        .get_rmon_stats         = ice_get_rmon_stats,
        .get_ts_stats           = ice_get_ts_stats,
        .get_drvinfo            = ice_get_drvinfo,
        .get_regs_len           = ice_get_regs_len,
        .get_regs               = ice_get_regs,
        .get_wol                = ice_get_wol,
        .set_wol                = ice_set_wol,
        .get_msglevel           = ice_get_msglevel,
        .set_msglevel           = ice_set_msglevel,
        .self_test              = ice_self_test,
        .get_link               = ethtool_op_get_link,
        .get_link_ext_stats     = ice_get_link_ext_stats,
        .get_eeprom_len         = ice_get_eeprom_len,
        .get_eeprom             = ice_get_eeprom,
        .get_coalesce           = ice_get_coalesce,
        .set_coalesce           = ice_set_coalesce,
        .get_strings            = ice_get_strings,
        .set_phys_id            = ice_set_phys_id,
        .get_ethtool_stats      = ice_get_ethtool_stats,
        .get_priv_flags         = ice_get_priv_flags,
        .set_priv_flags         = ice_set_priv_flags,
        .get_sset_count         = ice_get_sset_count,
        .get_rxnfc              = ice_get_rxnfc,
        .set_rxnfc              = ice_set_rxnfc,
        .get_rx_ring_count      = ice_get_rx_ring_count,
        .get_ringparam          = ice_get_ringparam,
        .set_ringparam          = ice_set_ringparam,
        .nway_reset             = ice_nway_reset,
        .get_pauseparam         = ice_get_pauseparam,
        .set_pauseparam         = ice_set_pauseparam,
        .reset                  = ice_ethtool_reset,
        .get_rxfh_key_size      = ice_get_rxfh_key_size,
        .get_rxfh_indir_size    = ice_get_rxfh_indir_size,
        .get_rxfh               = ice_get_rxfh,
        .set_rxfh               = ice_set_rxfh,
        .get_rxfh_fields        = ice_get_rxfh_fields,
        .set_rxfh_fields        = ice_set_rxfh_fields,
        .get_channels           = ice_get_channels,
        .set_channels           = ice_set_channels,
        .get_ts_info            = ice_get_ts_info,
        .get_per_queue_coalesce = ice_get_per_q_coalesce,
        .set_per_queue_coalesce = ice_set_per_q_coalesce,
        .get_fecparam           = ice_get_fecparam,
        .set_fecparam           = ice_set_fecparam,
        .get_module_info        = ice_get_module_info,
        .get_module_eeprom      = ice_get_module_eeprom,
};

static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
        .get_link_ksettings     = ice_get_link_ksettings,
        .set_link_ksettings     = ice_set_link_ksettings,
        .get_drvinfo            = ice_get_drvinfo,
        .get_regs_len           = ice_get_regs_len,
        .get_regs               = ice_get_regs,
        .get_wol                = ice_get_wol,
        .set_wol                = ice_set_wol,
        .get_msglevel           = ice_get_msglevel,
        .set_msglevel           = ice_set_msglevel,
        .get_link               = ethtool_op_get_link,
        .get_eeprom_len         = ice_get_eeprom_len,
        .get_eeprom             = ice_get_eeprom,
        .get_strings            = ice_get_strings,
        .get_ethtool_stats      = ice_get_ethtool_stats,
        .get_sset_count         = ice_get_sset_count,
        .get_ringparam          = ice_get_ringparam,
        .set_ringparam          = ice_set_ringparam,
        .nway_reset             = ice_nway_reset,
        .get_channels           = ice_get_channels,
};

/**
 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
 * @netdev: network interface device structure
 */
void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
{
        netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
}

static const struct ethtool_ops ice_ethtool_repr_ops = {
        .get_drvinfo            = ice_repr_get_drvinfo,
        .get_link               = ethtool_op_get_link,
        .get_strings            = ice_repr_get_strings,
        .get_ethtool_stats      = ice_repr_get_ethtool_stats,
        .get_sset_count         = ice_repr_get_sset_count,
        .reset                  = ice_repr_ethtool_reset,
};

/**
 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
 * @netdev: network interface device structure
 */
void ice_set_ethtool_repr_ops(struct net_device *netdev)
{
        netdev->ethtool_ops = &ice_ethtool_repr_ops;
}

/**
 * ice_set_ethtool_ops - setup netdev ethtool ops
 * @netdev: network interface device structure
 *
 * setup netdev ethtool ops with ice specific ops
 */
void ice_set_ethtool_ops(struct net_device *netdev)
{
        netdev->ethtool_ops = &ice_ethtool_ops;
}