drivers/net/ethernet/intel/ice/ice_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2018, Intel Corporation. */
   3
   4 /* ethtool support for ice */
   5
   6 #include "ice.h"
   7 #include "ice_ethtool.h"
   8 #include "ice_flow.h"
   9 #include "ice_fltr.h"
  10 #include "ice_lib.h"
  11 #include "ice_dcb_lib.h"
  12 #include <net/dcbnl.h>
  13
  14 struct ice_stats {
  15         char stat_string[ETH_GSTRING_LEN];
  16         int sizeof_stat;
  17         int stat_offset;
  18 };
  19
  20 #define ICE_STAT(_type, _name, _stat) { \
  21         .stat_string = _name, \
  22         .sizeof_stat = sizeof_field(_type, _stat), \
  23         .stat_offset = offsetof(_type, _stat) \
  24 }
  25
  26 #define ICE_VSI_STAT(_name, _stat) \
  27                 ICE_STAT(struct ice_vsi, _name, _stat)
  28 #define ICE_PF_STAT(_name, _stat) \
  29                 ICE_STAT(struct ice_pf, _name, _stat)
  30
  31 static int ice_q_stats_len(struct net_device *netdev)
  32 {
  33         struct ice_netdev_priv *np = netdev_priv(netdev);
  34
  35         return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
  36                 (sizeof(struct ice_q_stats) / sizeof(u64)));
  37 }
  38
  39 #define ICE_PF_STATS_LEN        ARRAY_SIZE(ice_gstrings_pf_stats)
  40 #define ICE_VSI_STATS_LEN       ARRAY_SIZE(ice_gstrings_vsi_stats)
  41
  42 #define ICE_PFC_STATS_LEN ( \
  43                 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
  44                  sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
  45                  sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
  46                  sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
  47                  / sizeof(u64))
  48 #define ICE_ALL_STATS_LEN(n)    (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
  49                                  ICE_VSI_STATS_LEN + ice_q_stats_len(n))
  50
  51 static const struct ice_stats ice_gstrings_vsi_stats[] = {
  52         ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  53         ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  54         ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  55         ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  56         ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  57         ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  58         ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
  59         ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
  60         ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
  61         ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  62         ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
  63         ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
  64         ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
  65         ICE_VSI_STAT("tx_linearize", tx_linearize),
  66         ICE_VSI_STAT("tx_busy", tx_busy),
  67         ICE_VSI_STAT("tx_restart", tx_restart),
  68 };
  69
  70 enum ice_ethtool_test_id {
  71         ICE_ETH_TEST_REG = 0,
  72         ICE_ETH_TEST_EEPROM,
  73         ICE_ETH_TEST_INTR,
  74         ICE_ETH_TEST_LOOP,
  75         ICE_ETH_TEST_LINK,
  76 };
  77
  78 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
  79         "Register test  (offline)",
  80         "EEPROM test    (offline)",
  81         "Interrupt test (offline)",
  82         "Loopback test  (offline)",
  83         "Link test   (on/offline)",
  84 };
  85
  86 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
  87
  88 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  89  * but they aren't. This device is capable of supporting multiple
  90  * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
  91  * netdevs whereas the PF_STATs are for the physical function that's
  92  * hosting these netdevs.
  93  *
  94  * The PF_STATs are appended to the netdev stats only when ethtool -S
  95  * is queried on the base PF netdev.
  96  */
  97 static const struct ice_stats ice_gstrings_pf_stats[] = {
  98         ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
  99         ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
 100         ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
 101         ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
 102         ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
 103         ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
 104         ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
 105         ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
 106         ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
 107         ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
 108         ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
 109         ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
 110         ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
 111         ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
 112         ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
 113         ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
 114         ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
 115         ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
 116         ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
 117         ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
 118         ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
 119         ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
 120         ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
 121         ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
 122         ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
 123         ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
 124         ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
 125         ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
 126         ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
 127         ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
 128         ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
 129         ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
 130         ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
 131         ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
 132         ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
 133         ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
 134         ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
 135         ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
 136         ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
 137         ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
 138         ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
 139         ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
 140         ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
 141         ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
 142         ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
 143         ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
 144         ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
 145 };
 146
 147 static const u32 ice_regs_dump_list[] = {
 148         PFGEN_STATE,
 149         PRTGEN_STATUS,
 150         QRX_CTRL(0),
 151         QINT_TQCTL(0),
 152         QINT_RQCTL(0),
 153         PFINT_OICR_ENA,
 154         QRX_ITR(0),
 155 #define GLDCB_TLPM_PCI_DM                       0x000A0180
 156         GLDCB_TLPM_PCI_DM,
 157 #define GLDCB_TLPM_TC2PFC                       0x000A0194
 158         GLDCB_TLPM_TC2PFC,
 159 #define TCDCB_TLPM_WAIT_DM(_i)                  (0x000A0080 + ((_i) * 4))
 160         TCDCB_TLPM_WAIT_DM(0),
 161         TCDCB_TLPM_WAIT_DM(1),
 162         TCDCB_TLPM_WAIT_DM(2),
 163         TCDCB_TLPM_WAIT_DM(3),
 164         TCDCB_TLPM_WAIT_DM(4),
 165         TCDCB_TLPM_WAIT_DM(5),
 166         TCDCB_TLPM_WAIT_DM(6),
 167         TCDCB_TLPM_WAIT_DM(7),
 168         TCDCB_TLPM_WAIT_DM(8),
 169         TCDCB_TLPM_WAIT_DM(9),
 170         TCDCB_TLPM_WAIT_DM(10),
 171         TCDCB_TLPM_WAIT_DM(11),
 172         TCDCB_TLPM_WAIT_DM(12),
 173         TCDCB_TLPM_WAIT_DM(13),
 174         TCDCB_TLPM_WAIT_DM(14),
 175         TCDCB_TLPM_WAIT_DM(15),
 176         TCDCB_TLPM_WAIT_DM(16),
 177         TCDCB_TLPM_WAIT_DM(17),
 178         TCDCB_TLPM_WAIT_DM(18),
 179         TCDCB_TLPM_WAIT_DM(19),
 180         TCDCB_TLPM_WAIT_DM(20),
 181         TCDCB_TLPM_WAIT_DM(21),
 182         TCDCB_TLPM_WAIT_DM(22),
 183         TCDCB_TLPM_WAIT_DM(23),
 184         TCDCB_TLPM_WAIT_DM(24),
 185         TCDCB_TLPM_WAIT_DM(25),
 186         TCDCB_TLPM_WAIT_DM(26),
 187         TCDCB_TLPM_WAIT_DM(27),
 188         TCDCB_TLPM_WAIT_DM(28),
 189         TCDCB_TLPM_WAIT_DM(29),
 190         TCDCB_TLPM_WAIT_DM(30),
 191         TCDCB_TLPM_WAIT_DM(31),
 192 #define GLPCI_WATMK_CLNT_PIPEMON                0x000BFD90
 193         GLPCI_WATMK_CLNT_PIPEMON,
 194 #define GLPCI_CUR_CLNT_COMMON                   0x000BFD84
 195         GLPCI_CUR_CLNT_COMMON,
 196 #define GLPCI_CUR_CLNT_PIPEMON                  0x000BFD88
 197         GLPCI_CUR_CLNT_PIPEMON,
 198 #define GLPCI_PCIERR                            0x0009DEB0
 199         GLPCI_PCIERR,
 200 #define GLPSM_DEBUG_CTL_STATUS                  0x000B0600
 201         GLPSM_DEBUG_CTL_STATUS,
 202 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT       0x000B0680
 203         GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
 204 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B0684
 205         GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
 206 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW           0x000B0688
 207         GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
 208 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT       0x000B069C
 209         GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
 210 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT       0x000B06A0
 211         GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
 212 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT       0x000B0E80
 213         GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
 214 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B0E84
 215         GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
 216 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT   0x000B0E88
 217         GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
 218 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT  0x000B0E8C
 219         GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
 220 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT       0x000B0E90
 221         GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
 222 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT       0x000B1680
 223         GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
 224 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B1684
 225         GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
 226 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT       0x000B1688
 227         GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
 228 #define GLTDPU_TCLAN_COMP_BOB(_i)               (0x00049ADC + ((_i) * 4))
 229         GLTDPU_TCLAN_COMP_BOB(1),
 230         GLTDPU_TCLAN_COMP_BOB(2),
 231         GLTDPU_TCLAN_COMP_BOB(3),
 232         GLTDPU_TCLAN_COMP_BOB(4),
 233         GLTDPU_TCLAN_COMP_BOB(5),
 234         GLTDPU_TCLAN_COMP_BOB(6),
 235         GLTDPU_TCLAN_COMP_BOB(7),
 236         GLTDPU_TCLAN_COMP_BOB(8),
 237 #define GLTDPU_TCB_CMD_BOB(_i)                  (0x0004975C + ((_i) * 4))
 238         GLTDPU_TCB_CMD_BOB(1),
 239         GLTDPU_TCB_CMD_BOB(2),
 240         GLTDPU_TCB_CMD_BOB(3),
 241         GLTDPU_TCB_CMD_BOB(4),
 242         GLTDPU_TCB_CMD_BOB(5),
 243         GLTDPU_TCB_CMD_BOB(6),
 244         GLTDPU_TCB_CMD_BOB(7),
 245         GLTDPU_TCB_CMD_BOB(8),
 246 #define GLTDPU_PSM_UPDATE_BOB(_i)               (0x00049B5C + ((_i) * 4))
 247         GLTDPU_PSM_UPDATE_BOB(1),
 248         GLTDPU_PSM_UPDATE_BOB(2),
 249         GLTDPU_PSM_UPDATE_BOB(3),
 250         GLTDPU_PSM_UPDATE_BOB(4),
 251         GLTDPU_PSM_UPDATE_BOB(5),
 252         GLTDPU_PSM_UPDATE_BOB(6),
 253         GLTDPU_PSM_UPDATE_BOB(7),
 254         GLTDPU_PSM_UPDATE_BOB(8),
 255 #define GLTCB_CMD_IN_BOB(_i)                    (0x000AE288 + ((_i) * 4))
 256         GLTCB_CMD_IN_BOB(1),
 257         GLTCB_CMD_IN_BOB(2),
 258         GLTCB_CMD_IN_BOB(3),
 259         GLTCB_CMD_IN_BOB(4),
 260         GLTCB_CMD_IN_BOB(5),
 261         GLTCB_CMD_IN_BOB(6),
 262         GLTCB_CMD_IN_BOB(7),
 263         GLTCB_CMD_IN_BOB(8),
 264 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i)   (0x000FC148 + ((_i) * 4))
 265         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
 266         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
 267         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
 268         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
 269         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
 270         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
 271         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
 272         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
 273 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
 274         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
 275         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
 276         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
 277         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
 278         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
 279         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
 280         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
 281         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
 282 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i)       (0x000FC1C8 + ((_i) * 4))
 283         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
 284         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
 285         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
 286         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
 287         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
 288         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
 289         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
 290         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
 291 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i)  (0x000FC188 + ((_i) * 4))
 292         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
 293         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
 294         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
 295         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
 296         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
 297         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
 298         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
 299         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
 300 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
 301         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
 302         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
 303         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
 304         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
 305         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
 306         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
 307         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
 308         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
 309 #define PRTDCB_TCUPM_REG_CM(_i)                 (0x000BC360 + ((_i) * 4))
 310         PRTDCB_TCUPM_REG_CM(0),
 311         PRTDCB_TCUPM_REG_CM(1),
 312         PRTDCB_TCUPM_REG_CM(2),
 313         PRTDCB_TCUPM_REG_CM(3),
 314 #define PRTDCB_TCUPM_REG_DM(_i)                 (0x000BC3A0 + ((_i) * 4))
 315         PRTDCB_TCUPM_REG_DM(0),
 316         PRTDCB_TCUPM_REG_DM(1),
 317         PRTDCB_TCUPM_REG_DM(2),
 318         PRTDCB_TCUPM_REG_DM(3),
 319 #define PRTDCB_TLPM_REG_DM(_i)                  (0x000A0000 + ((_i) * 4))
 320         PRTDCB_TLPM_REG_DM(0),
 321         PRTDCB_TLPM_REG_DM(1),
 322         PRTDCB_TLPM_REG_DM(2),
 323         PRTDCB_TLPM_REG_DM(3),
 324 };
 325
 326 struct ice_priv_flag {
 327         char name[ETH_GSTRING_LEN];
 328         u32 bitno;                      /* bit position in pf->flags */
 329 };
 330
 331 #define ICE_PRIV_FLAG(_name, _bitno) { \
 332         .name = _name, \
 333         .bitno = _bitno, \
 334 }
 335
 336 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
 337         ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
 338         ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
 339         ICE_PRIV_FLAG("vf-true-promisc-support",
 340                       ICE_FLAG_VF_TRUE_PROMISC_ENA),
 341         ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
 342         ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
 343         ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
 344 };
 345
 346 #define ICE_PRIV_FLAG_ARRAY_SIZE        ARRAY_SIZE(ice_gstrings_priv_flags)
 347
 348 static const u32 ice_adv_lnk_speed_100[] __initconst = {
 349         ETHTOOL_LINK_MODE_100baseT_Full_BIT,
 350 };
 351
 352 static const u32 ice_adv_lnk_speed_1000[] __initconst = {
 353         ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
 354         ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
 355         ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
 356 };
 357
 358 static const u32 ice_adv_lnk_speed_2500[] __initconst = {
 359         ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
 360         ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
 361 };
 362
 363 static const u32 ice_adv_lnk_speed_5000[] __initconst = {
 364         ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
 365 };
 366
 367 static const u32 ice_adv_lnk_speed_10000[] __initconst = {
 368         ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
 369         ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
 370         ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
 371         ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
 372 };
 373
 374 static const u32 ice_adv_lnk_speed_25000[] __initconst = {
 375         ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
 376         ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
 377         ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
 378 };
 379
 380 static const u32 ice_adv_lnk_speed_40000[] __initconst = {
 381         ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
 382         ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
 383         ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
 384         ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
 385 };
 386
 387 static const u32 ice_adv_lnk_speed_50000[] __initconst = {
 388         ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
 389         ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
 390         ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
 391 };
 392
 393 static const u32 ice_adv_lnk_speed_100000[] __initconst = {
 394         ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
 395         ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
 396         ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
 397         ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
 398         ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
 399         ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
 400         ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
 401 };
 402
 403 static const u32 ice_adv_lnk_speed_200000[] __initconst = {
 404         ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
 405         ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
 406         ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
 407         ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
 408         ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
 409 };
 410
 411 static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = {
 412         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100),
 413         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000),
 414         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500),
 415         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000),
 416         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000),
 417         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000),
 418         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000),
 419         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000),
 420         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000),
 421         ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000),
 422 };
 423
 424 void __init ice_adv_lnk_speed_maps_init(void)
 425 {
 426         ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps,
 427                                        ARRAY_SIZE(ice_adv_lnk_speed_maps));
 428 }
 429
 430 static void
 431 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
 432                   struct ice_vsi *vsi)
 433 {
 434         struct ice_pf *pf = vsi->back;
 435         struct ice_hw *hw = &pf->hw;
 436         struct ice_orom_info *orom;
 437         struct ice_nvm_info *nvm;
 438
 439         nvm = &hw->flash.nvm;
 440         orom = &hw->flash.orom;
 441
 442         strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
 443
 444         /* Display NVM version (from which the firmware version can be
 445          * determined) which contains more pertinent information.
 446          */
 447         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 448                  "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
 449                  nvm->eetrack, orom->major, orom->build, orom->patch);
 450
 451         strscpy(drvinfo->bus_info, pci_name(pf->pdev),
 452                 sizeof(drvinfo->bus_info));
 453 }
 454
 455 static void
 456 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 457 {
 458         struct ice_netdev_priv *np = netdev_priv(netdev);
 459
 460         __ice_get_drvinfo(netdev, drvinfo, np->vsi);
 461         drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
 462 }
 463
 464 static int ice_get_regs_len(struct net_device __always_unused *netdev)
 465 {
 466         return sizeof(ice_regs_dump_list);
 467 }
 468
 469 static void
 470 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
 471 {
 472         struct ice_netdev_priv *np = netdev_priv(netdev);
 473         struct ice_pf *pf = np->vsi->back;
 474         struct ice_hw *hw = &pf->hw;
 475         u32 *regs_buf = (u32 *)p;
 476         unsigned int i;
 477
 478         regs->version = 1;
 479
 480         for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
 481                 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
 482 }
 483
 484 static u32 ice_get_msglevel(struct net_device *netdev)
 485 {
 486         struct ice_netdev_priv *np = netdev_priv(netdev);
 487         struct ice_pf *pf = np->vsi->back;
 488
 489 #ifndef CONFIG_DYNAMIC_DEBUG
 490         if (pf->hw.debug_mask)
 491                 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
 492                             pf->hw.debug_mask);
 493 #endif /* !CONFIG_DYNAMIC_DEBUG */
 494
 495         return pf->msg_enable;
 496 }
 497
 498 static void ice_set_msglevel(struct net_device *netdev, u32 data)
 499 {
 500         struct ice_netdev_priv *np = netdev_priv(netdev);
 501         struct ice_pf *pf = np->vsi->back;
 502
 503 #ifndef CONFIG_DYNAMIC_DEBUG
 504         if (ICE_DBG_USER & data)
 505                 pf->hw.debug_mask = data;
 506         else
 507                 pf->msg_enable = data;
 508 #else
 509         pf->msg_enable = data;
 510 #endif /* !CONFIG_DYNAMIC_DEBUG */
 511 }
 512
 513 static int ice_get_eeprom_len(struct net_device *netdev)
 514 {
 515         struct ice_netdev_priv *np = netdev_priv(netdev);
 516         struct ice_pf *pf = np->vsi->back;
 517
 518         return (int)pf->hw.flash.flash_size;
 519 }
 520
 521 static int
 522 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 523                u8 *bytes)
 524 {
 525         struct ice_netdev_priv *np = netdev_priv(netdev);
 526         struct ice_vsi *vsi = np->vsi;
 527         struct ice_pf *pf = vsi->back;
 528         struct ice_hw *hw = &pf->hw;
 529         struct device *dev;
 530         int ret;
 531         u8 *buf;
 532
 533         dev = ice_pf_to_dev(pf);
 534
 535         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 536         netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
 537                    eeprom->cmd, eeprom->offset, eeprom->len);
 538
 539         buf = kzalloc(eeprom->len, GFP_KERNEL);
 540         if (!buf)
 541                 return -ENOMEM;
 542
 543         ret = ice_acquire_nvm(hw, ICE_RES_READ);
 544         if (ret) {
 545                 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
 546                         ret, ice_aq_str(hw->adminq.sq_last_status));
 547                 goto out;
 548         }
 549
 550         ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
 551                                 false);
 552         if (ret) {
 553                 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
 554                         ret, ice_aq_str(hw->adminq.sq_last_status));
 555                 goto release;
 556         }
 557
 558         memcpy(bytes, buf, eeprom->len);
 559 release:
 560         ice_release_nvm(hw);
 561 out:
 562         kfree(buf);
 563         return ret;
 564 }
 565
 566 /**
 567  * ice_active_vfs - check if there are any active VFs
 568  * @pf: board private structure
 569  *
 570  * Returns true if an active VF is found, otherwise returns false
 571  */
 572 static bool ice_active_vfs(struct ice_pf *pf)
 573 {
 574         bool active = false;
 575         struct ice_vf *vf;
 576         unsigned int bkt;
 577
 578         rcu_read_lock();
 579         ice_for_each_vf_rcu(pf, bkt, vf) {
 580                 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
 581                         active = true;
 582                         break;
 583                 }
 584         }
 585         rcu_read_unlock();
 586
 587         return active;
 588 }
 589
 590 /**
 591  * ice_link_test - perform a link test on a given net_device
 592  * @netdev: network interface device structure
 593  *
 594  * This function performs one of the self-tests required by ethtool.
 595  * Returns 0 on success, non-zero on failure.
 596  */
 597 static u64 ice_link_test(struct net_device *netdev)
 598 {
 599         struct ice_netdev_priv *np = netdev_priv(netdev);
 600         bool link_up = false;
 601         int status;
 602
 603         netdev_info(netdev, "link test\n");
 604         status = ice_get_link_status(np->vsi->port_info, &link_up);
 605         if (status) {
 606                 netdev_err(netdev, "link query error, status = %d\n",
 607                            status);
 608                 return 1;
 609         }
 610
 611         if (!link_up)
 612                 return 2;
 613
 614         return 0;
 615 }
 616
 617 /**
 618  * ice_eeprom_test - perform an EEPROM test on a given net_device
 619  * @netdev: network interface device structure
 620  *
 621  * This function performs one of the self-tests required by ethtool.
 622  * Returns 0 on success, non-zero on failure.
 623  */
 624 static u64 ice_eeprom_test(struct net_device *netdev)
 625 {
 626         struct ice_netdev_priv *np = netdev_priv(netdev);
 627         struct ice_pf *pf = np->vsi->back;
 628
 629         netdev_info(netdev, "EEPROM test\n");
 630         return !!(ice_nvm_validate_checksum(&pf->hw));
 631 }
 632
 633 /**
 634  * ice_reg_pattern_test
 635  * @hw: pointer to the HW struct
 636  * @reg: reg to be tested
 637  * @mask: bits to be touched
 638  */
 639 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
 640 {
 641         struct ice_pf *pf = (struct ice_pf *)hw->back;
 642         struct device *dev = ice_pf_to_dev(pf);
 643         static const u32 patterns[] = {
 644                 0x5A5A5A5A, 0xA5A5A5A5,
 645                 0x00000000, 0xFFFFFFFF
 646         };
 647         u32 val, orig_val;
 648         unsigned int i;
 649
 650         orig_val = rd32(hw, reg);
 651         for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
 652                 u32 pattern = patterns[i] & mask;
 653
 654                 wr32(hw, reg, pattern);
 655                 val = rd32(hw, reg);
 656                 if (val == pattern)
 657                         continue;
 658                 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
 659                         , __func__, reg, pattern, val);
 660                 return 1;
 661         }
 662
 663         wr32(hw, reg, orig_val);
 664         val = rd32(hw, reg);
 665         if (val != orig_val) {
 666                 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
 667                         , __func__, reg, orig_val, val);
 668                 return 1;
 669         }
 670
 671         return 0;
 672 }
 673
 674 /**
 675  * ice_reg_test - perform a register test on a given net_device
 676  * @netdev: network interface device structure
 677  *
 678  * This function performs one of the self-tests required by ethtool.
 679  * Returns 0 on success, non-zero on failure.
 680  */
 681 static u64 ice_reg_test(struct net_device *netdev)
 682 {
 683         struct ice_netdev_priv *np = netdev_priv(netdev);
 684         struct ice_hw *hw = np->vsi->port_info->hw;
 685         u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
 686                 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
 687         struct ice_diag_reg_test_info {
 688                 u32 address;
 689                 u32 mask;
 690                 u32 elem_num;
 691                 u32 elem_size;
 692         } ice_reg_list[] = {
 693                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 694                         GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
 695                 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
 696                         GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
 697                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 698                         GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
 699                 {GLINT_CTL, 0xffff0001, 1, 0}
 700         };
 701         unsigned int i;
 702
 703         netdev_dbg(netdev, "Register test\n");
 704         for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
 705                 u32 j;
 706
 707                 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
 708                         u32 mask = ice_reg_list[i].mask;
 709                         u32 reg = ice_reg_list[i].address +
 710                                 (j * ice_reg_list[i].elem_size);
 711
 712                         /* bail on failure (non-zero return) */
 713                         if (ice_reg_pattern_test(hw, reg, mask))
 714                                 return 1;
 715                 }
 716         }
 717
 718         return 0;
 719 }
 720
 721 /**
 722  * ice_lbtest_prepare_rings - configure Tx/Rx test rings
 723  * @vsi: pointer to the VSI structure
 724  *
 725  * Function configures rings of a VSI for loopback test without
 726  * enabling interrupts or informing the kernel about new queues.
 727  *
 728  * Returns 0 on success, negative on failure.
 729  */
 730 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
 731 {
 732         int status;
 733
 734         status = ice_vsi_setup_tx_rings(vsi);
 735         if (status)
 736                 goto err_setup_tx_ring;
 737
 738         status = ice_vsi_setup_rx_rings(vsi);
 739         if (status)
 740                 goto err_setup_rx_ring;
 741
 742         status = ice_vsi_cfg_lan(vsi);
 743         if (status)
 744                 goto err_setup_rx_ring;
 745
 746         status = ice_vsi_start_all_rx_rings(vsi);
 747         if (status)
 748                 goto err_start_rx_ring;
 749
 750         return 0;
 751
 752 err_start_rx_ring:
 753         ice_vsi_free_rx_rings(vsi);
 754 err_setup_rx_ring:
 755         ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 756 err_setup_tx_ring:
 757         ice_vsi_free_tx_rings(vsi);
 758
 759         return status;
 760 }
 761
 762 /**
 763  * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
 764  * @vsi: pointer to the VSI structure
 765  *
 766  * Function stops and frees VSI rings after a loopback test.
 767  * Returns 0 on success, negative on failure.
 768  */
 769 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
 770 {
 771         int status;
 772
 773         status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 774         if (status)
 775                 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
 776                            vsi->vsi_num, status);
 777
 778         status = ice_vsi_stop_all_rx_rings(vsi);
 779         if (status)
 780                 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
 781                            vsi->vsi_num, status);
 782
 783         ice_vsi_free_tx_rings(vsi);
 784         ice_vsi_free_rx_rings(vsi);
 785
 786         return status;
 787 }
 788
 789 /**
 790  * ice_lbtest_create_frame - create test packet
 791  * @pf: pointer to the PF structure
 792  * @ret_data: allocated frame buffer
 793  * @size: size of the packet data
 794  *
 795  * Function allocates a frame with a test pattern on specific offsets.
 796  * Returns 0 on success, non-zero on failure.
 797  */
 798 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
 799 {
 800         u8 *data;
 801
 802         if (!pf)
 803                 return -EINVAL;
 804
 805         data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
 806         if (!data)
 807                 return -ENOMEM;
 808
 809         /* Since the ethernet test frame should always be at least
 810          * 64 bytes long, fill some octets in the payload with test data.
 811          */
 812         memset(data, 0xFF, size);
 813         data[32] = 0xDE;
 814         data[42] = 0xAD;
 815         data[44] = 0xBE;
 816         data[46] = 0xEF;
 817
 818         *ret_data = data;
 819
 820         return 0;
 821 }
 822
 823 /**
 824  * ice_lbtest_check_frame - verify received loopback frame
 825  * @frame: pointer to the raw packet data
 826  *
 827  * Function verifies received test frame with a pattern.
 828  * Returns true if frame matches the pattern, false otherwise.
 829  */
 830 static bool ice_lbtest_check_frame(u8 *frame)
 831 {
 832         /* Validate bytes of a frame under offsets chosen earlier */
 833         if (frame[32] == 0xDE &&
 834             frame[42] == 0xAD &&
 835             frame[44] == 0xBE &&
 836             frame[46] == 0xEF &&
 837             frame[48] == 0xFF)
 838                 return true;
 839
 840         return false;
 841 }
 842
 843 /**
 844  * ice_diag_send - send test frames to the test ring
 845  * @tx_ring: pointer to the transmit ring
 846  * @data: pointer to the raw packet data
 847  * @size: size of the packet to send
 848  *
 849  * Function sends loopback packets on a test Tx ring.
 850  */
 851 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
 852 {
 853         struct ice_tx_desc *tx_desc;
 854         struct ice_tx_buf *tx_buf;
 855         dma_addr_t dma;
 856         u64 td_cmd;
 857
 858         tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
 859         tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
 860
 861         dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
 862         if (dma_mapping_error(tx_ring->dev, dma))
 863                 return -EINVAL;
 864
 865         tx_desc->buf_addr = cpu_to_le64(dma);
 866
 867         /* These flags are required for a descriptor to be pushed out */
 868         td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
 869         tx_desc->cmd_type_offset_bsz =
 870                 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
 871                             (td_cmd << ICE_TXD_QW1_CMD_S) |
 872                             ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
 873                             ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
 874                             ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
 875
 876         tx_buf->next_to_watch = tx_desc;
 877
 878         /* Force memory write to complete before letting h/w know
 879          * there are new descriptors to fetch.
 880          */
 881         wmb();
 882
 883         tx_ring->next_to_use++;
 884         if (tx_ring->next_to_use >= tx_ring->count)
 885                 tx_ring->next_to_use = 0;
 886
 887         writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
 888
 889         /* Wait until the packets get transmitted to the receive queue. */
 890         usleep_range(1000, 2000);
 891         dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
 892
 893         return 0;
 894 }
 895
 896 #define ICE_LB_FRAME_SIZE 64
 897 /**
 898  * ice_lbtest_receive_frames - receive and verify test frames
 899  * @rx_ring: pointer to the receive ring
 900  *
 901  * Function receives loopback packets and verify their correctness.
 902  * Returns number of received valid frames.
 903  */
 904 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
 905 {
 906         struct ice_rx_buf *rx_buf;
 907         int valid_frames, i;
 908         u8 *received_buf;
 909
 910         valid_frames = 0;
 911
 912         for (i = 0; i < rx_ring->count; i++) {
 913                 union ice_32b_rx_flex_desc *rx_desc;
 914
 915                 rx_desc = ICE_RX_DESC(rx_ring, i);
 916
 917                 if (!(rx_desc->wb.status_error0 &
 918                     (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
 919                      cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
 920                         continue;
 921
 922                 rx_buf = &rx_ring->rx_buf[i];
 923                 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
 924
 925                 if (ice_lbtest_check_frame(received_buf))
 926                         valid_frames++;
 927         }
 928
 929         return valid_frames;
 930 }
 931
 932 /**
 933  * ice_loopback_test - perform a loopback test on a given net_device
 934  * @netdev: network interface device structure
 935  *
 936  * This function performs one of the self-tests required by ethtool.
 937  * Returns 0 on success, non-zero on failure.
 938  */
 939 static u64 ice_loopback_test(struct net_device *netdev)
 940 {
 941         struct ice_netdev_priv *np = netdev_priv(netdev);
 942         struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
 943         struct ice_pf *pf = orig_vsi->back;
 944         u8 broadcast[ETH_ALEN], ret = 0;
 945         int num_frames, valid_frames;
 946         struct ice_tx_ring *tx_ring;
 947         struct ice_rx_ring *rx_ring;
 948         struct device *dev;
 949         u8 *tx_frame;
 950         int i;
 951
 952         dev = ice_pf_to_dev(pf);
 953         netdev_info(netdev, "loopback test\n");
 954
 955         test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
 956         if (!test_vsi) {
 957                 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
 958                 return 1;
 959         }
 960
 961         test_vsi->netdev = netdev;
 962         tx_ring = test_vsi->tx_rings[0];
 963         rx_ring = test_vsi->rx_rings[0];
 964
 965         if (ice_lbtest_prepare_rings(test_vsi)) {
 966                 ret = 2;
 967                 goto lbtest_vsi_close;
 968         }
 969
 970         if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
 971                 ret = 3;
 972                 goto lbtest_rings_dis;
 973         }
 974
 975         /* Enable MAC loopback in firmware */
 976         if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
 977                 ret = 4;
 978                 goto lbtest_mac_dis;
 979         }
 980
 981         /* Test VSI needs to receive broadcast packets */
 982         eth_broadcast_addr(broadcast);
 983         if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
 984                 ret = 5;
 985                 goto lbtest_mac_dis;
 986         }
 987
 988         if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
 989                 ret = 7;
 990                 goto remove_mac_filters;
 991         }
 992
 993         num_frames = min_t(int, tx_ring->count, 32);
 994         for (i = 0; i < num_frames; i++) {
 995                 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
 996                         ret = 8;
 997                         goto lbtest_free_frame;
 998                 }
 999         }
1000
1001         valid_frames = ice_lbtest_receive_frames(rx_ring);
1002         if (!valid_frames)
1003                 ret = 9;
1004         else if (valid_frames != num_frames)
1005                 ret = 10;
1006
1007 lbtest_free_frame:
1008         devm_kfree(dev, tx_frame);
1009 remove_mac_filters:
1010         if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
1011                 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
1012 lbtest_mac_dis:
1013         /* Disable MAC loopback after the test is completed. */
1014         if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
1015                 netdev_err(netdev, "Could not disable MAC loopback\n");
1016 lbtest_rings_dis:
1017         if (ice_lbtest_disable_rings(test_vsi))
1018                 netdev_err(netdev, "Could not disable test rings\n");
1019 lbtest_vsi_close:
1020         test_vsi->netdev = NULL;
1021         if (ice_vsi_release(test_vsi))
1022                 netdev_err(netdev, "Failed to remove the test VSI\n");
1023
1024         return ret;
1025 }
1026
1027 /**
1028  * ice_intr_test - perform an interrupt test on a given net_device
1029  * @netdev: network interface device structure
1030  *
1031  * This function performs one of the self-tests required by ethtool.
1032  * Returns 0 on success, non-zero on failure.
1033  */
1034 static u64 ice_intr_test(struct net_device *netdev)
1035 {
1036         struct ice_netdev_priv *np = netdev_priv(netdev);
1037         struct ice_pf *pf = np->vsi->back;
1038         u16 swic_old = pf->sw_int_count;
1039
1040         netdev_info(netdev, "interrupt test\n");
1041
1042         wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
1043              GLINT_DYN_CTL_SW_ITR_INDX_M |
1044              GLINT_DYN_CTL_INTENA_MSK_M |
1045              GLINT_DYN_CTL_SWINT_TRIG_M);
1046
1047         usleep_range(1000, 2000);
1048         return (swic_old == pf->sw_int_count);
1049 }
1050
1051 /**
1052  * ice_self_test - handler function for performing a self-test by ethtool
1053  * @netdev: network interface device structure
1054  * @eth_test: ethtool_test structure
1055  * @data: required by ethtool.self_test
1056  *
1057  * This function is called after invoking 'ethtool -t devname' command where
1058  * devname is the name of the network device on which ethtool should operate.
1059  * It performs a set of self-tests to check if a device works properly.
1060  */
1061 static void
1062 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
1063               u64 *data)
1064 {
1065         struct ice_netdev_priv *np = netdev_priv(netdev);
1066         bool if_running = netif_running(netdev);
1067         struct ice_pf *pf = np->vsi->back;
1068         struct device *dev;
1069
1070         dev = ice_pf_to_dev(pf);
1071
1072         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1073                 netdev_info(netdev, "offline testing starting\n");
1074
1075                 set_bit(ICE_TESTING, pf->state);
1076
1077                 if (ice_active_vfs(pf)) {
1078                         dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1079                         data[ICE_ETH_TEST_REG] = 1;
1080                         data[ICE_ETH_TEST_EEPROM] = 1;
1081                         data[ICE_ETH_TEST_INTR] = 1;
1082                         data[ICE_ETH_TEST_LOOP] = 1;
1083                         data[ICE_ETH_TEST_LINK] = 1;
1084                         eth_test->flags |= ETH_TEST_FL_FAILED;
1085                         clear_bit(ICE_TESTING, pf->state);
1086                         goto skip_ol_tests;
1087                 }
1088                 /* If the device is online then take it offline */
1089                 if (if_running)
1090                         /* indicate we're in test mode */
1091                         ice_stop(netdev);
1092
1093                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1094                 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1095                 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1096                 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1097                 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1098
1099                 if (data[ICE_ETH_TEST_LINK] ||
1100                     data[ICE_ETH_TEST_EEPROM] ||
1101                     data[ICE_ETH_TEST_LOOP] ||
1102                     data[ICE_ETH_TEST_INTR] ||
1103                     data[ICE_ETH_TEST_REG])
1104                         eth_test->flags |= ETH_TEST_FL_FAILED;
1105
1106                 clear_bit(ICE_TESTING, pf->state);
1107
1108                 if (if_running) {
1109                         int status = ice_open(netdev);
1110
1111                         if (status) {
1112                                 dev_err(dev, "Could not open device %s, err %d\n",
1113                                         pf->int_name, status);
1114                         }
1115                 }
1116         } else {
1117                 /* Online tests */
1118                 netdev_info(netdev, "online testing starting\n");
1119
1120                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1121                 if (data[ICE_ETH_TEST_LINK])
1122                         eth_test->flags |= ETH_TEST_FL_FAILED;
1123
1124                 /* Offline only tests, not run in online; pass by default */
1125                 data[ICE_ETH_TEST_REG] = 0;
1126                 data[ICE_ETH_TEST_EEPROM] = 0;
1127                 data[ICE_ETH_TEST_INTR] = 0;
1128                 data[ICE_ETH_TEST_LOOP] = 0;
1129         }
1130
1131 skip_ol_tests:
1132         netdev_info(netdev, "testing finished\n");
1133 }
1134
1135 static void
1136 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1137                   struct ice_vsi *vsi)
1138 {
1139         unsigned int i;
1140         u8 *p = data;
1141
1142         switch (stringset) {
1143         case ETH_SS_STATS:
1144                 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1145                         ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);
1146
1147                 if (ice_is_port_repr_netdev(netdev))
1148                         return;
1149
1150                 ice_for_each_alloc_txq(vsi, i) {
1151                         ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1152                         ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1153                 }
1154
1155                 ice_for_each_alloc_rxq(vsi, i) {
1156                         ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1157                         ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1158                 }
1159
1160                 if (vsi->type != ICE_VSI_PF)
1161                         return;
1162
1163                 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1164                         ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);
1165
1166                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1167                         ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1168                         ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1169                 }
1170                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1171                         ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1172                         ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1173                 }
1174                 break;
1175         case ETH_SS_TEST:
1176                 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1177                 break;
1178         case ETH_SS_PRIV_FLAGS:
1179                 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1180                         ethtool_puts(&p, ice_gstrings_priv_flags[i].name);
1181                 break;
1182         default:
1183                 break;
1184         }
1185 }
1186
1187 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1188 {
1189         struct ice_netdev_priv *np = netdev_priv(netdev);
1190
1191         __ice_get_strings(netdev, stringset, data, np->vsi);
1192 }
1193
1194 static int
1195 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1196 {
1197         struct ice_netdev_priv *np = netdev_priv(netdev);
1198         bool led_active;
1199
1200         switch (state) {
1201         case ETHTOOL_ID_ACTIVE:
1202                 led_active = true;
1203                 break;
1204         case ETHTOOL_ID_INACTIVE:
1205                 led_active = false;
1206                 break;
1207         default:
1208                 return -EINVAL;
1209         }
1210
1211         if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1212                 return -EIO;
1213
1214         return 0;
1215 }
1216
1217 /**
1218  * ice_set_fec_cfg - Set link FEC options
1219  * @netdev: network interface device structure
1220  * @req_fec: FEC mode to configure
1221  */
1222 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1223 {
1224         struct ice_netdev_priv *np = netdev_priv(netdev);
1225         struct ice_aqc_set_phy_cfg_data config = { 0 };
1226         struct ice_vsi *vsi = np->vsi;
1227         struct ice_port_info *pi;
1228
1229         pi = vsi->port_info;
1230         if (!pi)
1231                 return -EOPNOTSUPP;
1232
1233         /* Changing the FEC parameters is not supported if not the PF VSI */
1234         if (vsi->type != ICE_VSI_PF) {
1235                 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1236                 return -EOPNOTSUPP;
1237         }
1238
1239         /* Proceed only if requesting different FEC mode */
1240         if (pi->phy.curr_user_fec_req == req_fec)
1241                 return 0;
1242
1243         /* Copy the current user PHY configuration. The current user PHY
1244          * configuration is initialized during probe from PHY capabilities
1245          * software mode, and updated on set PHY configuration.
1246          */
1247         memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1248
1249         ice_cfg_phy_fec(pi, &config, req_fec);
1250         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1251
1252         if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1253                 return -EAGAIN;
1254
1255         /* Save requested FEC config */
1256         pi->phy.curr_user_fec_req = req_fec;
1257
1258         return 0;
1259 }
1260
1261 /**
1262  * ice_set_fecparam - Set FEC link options
1263  * @netdev: network interface device structure
1264  * @fecparam: Ethtool structure to retrieve FEC parameters
1265  */
1266 static int
1267 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1268 {
1269         struct ice_netdev_priv *np = netdev_priv(netdev);
1270         struct ice_vsi *vsi = np->vsi;
1271         enum ice_fec_mode fec;
1272
1273         switch (fecparam->fec) {
1274         case ETHTOOL_FEC_AUTO:
1275                 fec = ICE_FEC_AUTO;
1276                 break;
1277         case ETHTOOL_FEC_RS:
1278                 fec = ICE_FEC_RS;
1279                 break;
1280         case ETHTOOL_FEC_BASER:
1281                 fec = ICE_FEC_BASER;
1282                 break;
1283         case ETHTOOL_FEC_OFF:
1284         case ETHTOOL_FEC_NONE:
1285                 fec = ICE_FEC_NONE;
1286                 break;
1287         default:
1288                 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1289                          fecparam->fec);
1290                 return -EINVAL;
1291         }
1292
1293         return ice_set_fec_cfg(netdev, fec);
1294 }
1295
1296 /**
1297  * ice_get_fecparam - Get link FEC options
1298  * @netdev: network interface device structure
1299  * @fecparam: Ethtool structure to retrieve FEC parameters
1300  */
1301 static int
1302 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1303 {
1304         struct ice_netdev_priv *np = netdev_priv(netdev);
1305         struct ice_aqc_get_phy_caps_data *caps;
1306         struct ice_link_status *link_info;
1307         struct ice_vsi *vsi = np->vsi;
1308         struct ice_port_info *pi;
1309         int err;
1310
1311         pi = vsi->port_info;
1312
1313         if (!pi)
1314                 return -EOPNOTSUPP;
1315         link_info = &pi->phy.link_info;
1316
1317         /* Set FEC mode based on negotiated link info */
1318         switch (link_info->fec_info) {
1319         case ICE_AQ_LINK_25G_KR_FEC_EN:
1320                 fecparam->active_fec = ETHTOOL_FEC_BASER;
1321                 break;
1322         case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1323         case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1324                 fecparam->active_fec = ETHTOOL_FEC_RS;
1325                 break;
1326         default:
1327                 fecparam->active_fec = ETHTOOL_FEC_OFF;
1328                 break;
1329         }
1330
1331         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1332         if (!caps)
1333                 return -ENOMEM;
1334
1335         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1336                                   caps, NULL);
1337         if (err)
1338                 goto done;
1339
1340         /* Set supported/configured FEC modes based on PHY capability */
1341         if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1342                 fecparam->fec |= ETHTOOL_FEC_AUTO;
1343         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1344             caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1345             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1346             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1347                 fecparam->fec |= ETHTOOL_FEC_BASER;
1348         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1349             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1350             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1351                 fecparam->fec |= ETHTOOL_FEC_RS;
1352         if (caps->link_fec_options == 0)
1353                 fecparam->fec |= ETHTOOL_FEC_OFF;
1354
1355 done:
1356         kfree(caps);
1357         return err;
1358 }
1359
1360 /**
1361  * ice_nway_reset - restart autonegotiation
1362  * @netdev: network interface device structure
1363  */
1364 static int ice_nway_reset(struct net_device *netdev)
1365 {
1366         struct ice_netdev_priv *np = netdev_priv(netdev);
1367         struct ice_vsi *vsi = np->vsi;
1368         int err;
1369
1370         /* If VSI state is up, then restart autoneg with link up */
1371         if (!test_bit(ICE_DOWN, vsi->back->state))
1372                 err = ice_set_link(vsi, true);
1373         else
1374                 err = ice_set_link(vsi, false);
1375
1376         return err;
1377 }
1378
1379 /**
1380  * ice_get_priv_flags - report device private flags
1381  * @netdev: network interface device structure
1382  *
1383  * The get string set count and the string set should be matched for each
1384  * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
1385  * array.
1386  *
1387  * Returns a u32 bitmap of flags.
1388  */
1389 static u32 ice_get_priv_flags(struct net_device *netdev)
1390 {
1391         struct ice_netdev_priv *np = netdev_priv(netdev);
1392         struct ice_vsi *vsi = np->vsi;
1393         struct ice_pf *pf = vsi->back;
1394         u32 i, ret_flags = 0;
1395
1396         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1397                 const struct ice_priv_flag *priv_flag;
1398
1399                 priv_flag = &ice_gstrings_priv_flags[i];
1400
1401                 if (test_bit(priv_flag->bitno, pf->flags))
1402                         ret_flags |= BIT(i);
1403         }
1404
1405         return ret_flags;
1406 }
1407
1408 /**
1409  * ice_set_priv_flags - set private flags
1410  * @netdev: network interface device structure
1411  * @flags: bit flags to be set
1412  */
1413 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1414 {
1415         struct ice_netdev_priv *np = netdev_priv(netdev);
1416         DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1417         DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1418         struct ice_vsi *vsi = np->vsi;
1419         struct ice_pf *pf = vsi->back;
1420         struct device *dev;
1421         int ret = 0;
1422         u32 i;
1423
1424         if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1425                 return -EINVAL;
1426
1427         dev = ice_pf_to_dev(pf);
1428         set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1429
1430         bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1431         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1432                 const struct ice_priv_flag *priv_flag;
1433
1434                 priv_flag = &ice_gstrings_priv_flags[i];
1435
1436                 if (flags & BIT(i))
1437                         set_bit(priv_flag->bitno, pf->flags);
1438                 else
1439                         clear_bit(priv_flag->bitno, pf->flags);
1440         }
1441
1442         bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1443
1444         /* Do not allow change to link-down-on-close when Total Port Shutdown
1445          * is enabled.
1446          */
1447         if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1448             test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1449                 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1450                 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1451                 ret = -EINVAL;
1452                 goto ethtool_exit;
1453         }
1454
1455         if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1456                 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1457                         int status;
1458
1459                         /* Disable FW LLDP engine */
1460                         status = ice_cfg_lldp_mib_change(&pf->hw, false);
1461
1462                         /* If unregistering for LLDP events fails, this is
1463                          * not an error state, as there shouldn't be any
1464                          * events to respond to.
1465                          */
1466                         if (status)
1467                                 dev_info(dev, "Failed to unreg for LLDP events\n");
1468
1469                         /* The AQ call to stop the FW LLDP agent will generate
1470                          * an error if the agent is already stopped.
1471                          */
1472                         status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1473                         if (status)
1474                                 dev_warn(dev, "Fail to stop LLDP agent\n");
1475                         /* Use case for having the FW LLDP agent stopped
1476                          * will likely not need DCB, so failure to init is
1477                          * not a concern of ethtool
1478                          */
1479                         status = ice_init_pf_dcb(pf, true);
1480                         if (status)
1481                                 dev_warn(dev, "Fail to init DCB\n");
1482
1483                         pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1484                         pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1485                 } else {
1486                         bool dcbx_agent_status;
1487                         int status;
1488
1489                         if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1490                                 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1491                                 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1492                                 ret = -EOPNOTSUPP;
1493                                 goto ethtool_exit;
1494                         }
1495
1496                         /* Remove rule to direct LLDP packets to default VSI.
1497                          * The FW LLDP engine will now be consuming them.
1498                          */
1499                         ice_cfg_sw_lldp(vsi, false, false);
1500
1501                         /* AQ command to start FW LLDP agent will return an
1502                          * error if the agent is already started
1503                          */
1504                         status = ice_aq_start_lldp(&pf->hw, true, NULL);
1505                         if (status)
1506                                 dev_warn(dev, "Fail to start LLDP Agent\n");
1507
1508                         /* AQ command to start FW DCBX agent will fail if
1509                          * the agent is already started
1510                          */
1511                         status = ice_aq_start_stop_dcbx(&pf->hw, true,
1512                                                         &dcbx_agent_status,
1513                                                         NULL);
1514                         if (status)
1515                                 dev_dbg(dev, "Failed to start FW DCBX\n");
1516
1517                         dev_info(dev, "FW DCBX agent is %s\n",
1518                                  dcbx_agent_status ? "ACTIVE" : "DISABLED");
1519
1520                         /* Failure to configure MIB change or init DCB is not
1521                          * relevant to ethtool.  Print notification that
1522                          * registration/init failed but do not return error
1523                          * state to ethtool
1524                          */
1525                         status = ice_init_pf_dcb(pf, true);
1526                         if (status)
1527                                 dev_dbg(dev, "Fail to init DCB\n");
1528
1529                         /* Register for MIB change events */
1530                         status = ice_cfg_lldp_mib_change(&pf->hw, true);
1531                         if (status)
1532                                 dev_dbg(dev, "Fail to enable MIB change events\n");
1533
1534                         pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1535                         pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1536
1537                         ice_nway_reset(netdev);
1538                 }
1539         }
1540         if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1541                 /* down and up VSI so that changes of Rx cfg are reflected. */
1542                 ice_down_up(vsi);
1543         }
1544         /* don't allow modification of this flag when a single VF is in
1545          * promiscuous mode because it's not supported
1546          */
1547         if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1548             ice_is_any_vf_in_unicast_promisc(pf)) {
1549                 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1550                 /* toggle bit back to previous state */
1551                 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1552                 ret = -EAGAIN;
1553         }
1554
1555         if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1556             ice_has_vfs(pf)) {
1557                 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1558                 /* toggle bit back to previous state */
1559                 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1560                 ret = -EOPNOTSUPP;
1561         }
1562 ethtool_exit:
1563         clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1564         return ret;
1565 }
1566
1567 static int ice_get_sset_count(struct net_device *netdev, int sset)
1568 {
1569         switch (sset) {
1570         case ETH_SS_STATS:
1571                 /* The number (and order) of strings reported *must* remain
1572                  * constant for a given netdevice. This function must not
1573                  * report a different number based on run time parameters
1574                  * (such as the number of queues in use, or the setting of
1575                  * a private ethtool flag). This is due to the nature of the
1576                  * ethtool stats API.
1577                  *
1578                  * Userspace programs such as ethtool must make 3 separate
1579                  * ioctl requests, one for size, one for the strings, and
1580                  * finally one for the stats. Since these cross into
1581                  * userspace, changes to the number or size could result in
1582                  * undefined memory access or incorrect string<->value
1583                  * correlations for statistics.
1584                  *
1585                  * Even if it appears to be safe, changes to the size or
1586                  * order of strings will suffer from race conditions and are
1587                  * not safe.
1588                  */
1589                 return ICE_ALL_STATS_LEN(netdev);
1590         case ETH_SS_TEST:
1591                 return ICE_TEST_LEN;
1592         case ETH_SS_PRIV_FLAGS:
1593                 return ICE_PRIV_FLAG_ARRAY_SIZE;
1594         default:
1595                 return -EOPNOTSUPP;
1596         }
1597 }
1598
1599 static void
1600 __ice_get_ethtool_stats(struct net_device *netdev,
1601                         struct ethtool_stats __always_unused *stats, u64 *data,
1602                         struct ice_vsi *vsi)
1603 {
1604         struct ice_pf *pf = vsi->back;
1605         struct ice_tx_ring *tx_ring;
1606         struct ice_rx_ring *rx_ring;
1607         unsigned int j;
1608         int i = 0;
1609         char *p;
1610
1611         ice_update_pf_stats(pf);
1612         ice_update_vsi_stats(vsi);
1613
1614         for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1615                 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1616                 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1617                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1618         }
1619
1620         if (ice_is_port_repr_netdev(netdev))
1621                 return;
1622
1623         /* populate per queue stats */
1624         rcu_read_lock();
1625
1626         ice_for_each_alloc_txq(vsi, j) {
1627                 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1628                 if (tx_ring && tx_ring->ring_stats) {
1629                         data[i++] = tx_ring->ring_stats->stats.pkts;
1630                         data[i++] = tx_ring->ring_stats->stats.bytes;
1631                 } else {
1632                         data[i++] = 0;
1633                         data[i++] = 0;
1634                 }
1635         }
1636
1637         ice_for_each_alloc_rxq(vsi, j) {
1638                 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1639                 if (rx_ring && rx_ring->ring_stats) {
1640                         data[i++] = rx_ring->ring_stats->stats.pkts;
1641                         data[i++] = rx_ring->ring_stats->stats.bytes;
1642                 } else {
1643                         data[i++] = 0;
1644                         data[i++] = 0;
1645                 }
1646         }
1647
1648         rcu_read_unlock();
1649
1650         if (vsi->type != ICE_VSI_PF)
1651                 return;
1652
1653         for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1654                 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1655                 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1656                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1657         }
1658
1659         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1660                 data[i++] = pf->stats.priority_xon_tx[j];
1661                 data[i++] = pf->stats.priority_xoff_tx[j];
1662         }
1663
1664         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1665                 data[i++] = pf->stats.priority_xon_rx[j];
1666                 data[i++] = pf->stats.priority_xoff_rx[j];
1667         }
1668 }
1669
1670 static void
1671 ice_get_ethtool_stats(struct net_device *netdev,
1672                       struct ethtool_stats __always_unused *stats, u64 *data)
1673 {
1674         struct ice_netdev_priv *np = netdev_priv(netdev);
1675
1676         __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
1677 }
1678
1679 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G    (ICE_PHY_TYPE_LOW_100BASE_TX | \
1680                                          ICE_PHY_TYPE_LOW_100M_SGMII)
1681
1682 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G   (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1683                                          ICE_PHY_TYPE_LOW_1000BASE_T | \
1684                                          ICE_PHY_TYPE_LOW_1000BASE_SX | \
1685                                          ICE_PHY_TYPE_LOW_1000BASE_LX | \
1686                                          ICE_PHY_TYPE_LOW_1000BASE_KX | \
1687                                          ICE_PHY_TYPE_LOW_1G_SGMII | \
1688                                          ICE_PHY_TYPE_LOW_2500BASE_T | \
1689                                          ICE_PHY_TYPE_LOW_2500BASE_X | \
1690                                          ICE_PHY_TYPE_LOW_2500BASE_KX | \
1691                                          ICE_PHY_TYPE_LOW_5GBASE_T | \
1692                                          ICE_PHY_TYPE_LOW_5GBASE_KR | \
1693                                          ICE_PHY_TYPE_LOW_10GBASE_T | \
1694                                          ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1695                                          ICE_PHY_TYPE_LOW_10GBASE_SR | \
1696                                          ICE_PHY_TYPE_LOW_10GBASE_LR | \
1697                                          ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1698                                          ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1699                                          ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1700
1701 #define ICE_PHY_TYPE_LOW_MASK_100G      (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1702                                          ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1703                                          ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1704                                          ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1705                                          ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1706                                          ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1707                                          ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1708                                          ICE_PHY_TYPE_LOW_100G_AUI4 | \
1709                                          ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1710                                          ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1711                                          ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1712                                          ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1713                                          ICE_PHY_TYPE_LOW_100GBASE_DR)
1714
1715 #define ICE_PHY_TYPE_HIGH_MASK_100G     (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1716                                          ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1717                                          ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1718                                          ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1719                                          ICE_PHY_TYPE_HIGH_100G_AUI2)
1720
1721 #define ICE_PHY_TYPE_HIGH_MASK_200G     (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \
1722                                          ICE_PHY_TYPE_HIGH_200G_SR4 | \
1723                                          ICE_PHY_TYPE_HIGH_200G_FR4 | \
1724                                          ICE_PHY_TYPE_HIGH_200G_LR4 | \
1725                                          ICE_PHY_TYPE_HIGH_200G_DR4 | \
1726                                          ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \
1727                                          ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \
1728                                          ICE_PHY_TYPE_HIGH_200G_AUI4)
1729
1730 /**
1731  * ice_mask_min_supported_speeds
1732  * @hw: pointer to the HW structure
1733  * @phy_types_high: PHY type high
1734  * @phy_types_low: PHY type low to apply minimum supported speeds mask
1735  *
1736  * Apply minimum supported speeds mask to PHY type low. These are the speeds
1737  * for ethtool supported link mode.
1738  */
1739 static void
1740 ice_mask_min_supported_speeds(struct ice_hw *hw,
1741                               u64 phy_types_high, u64 *phy_types_low)
1742 {
1743         /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1744         if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||
1745             (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||
1746             (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))
1747                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1748         else if (!ice_is_100m_speed_supported(hw))
1749                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1750 }
1751
1752 /**
1753  * ice_linkmode_set_bit - set link mode bit
1754  * @phy_to_ethtool: PHY type to ethtool link mode struct to set
1755  * @ks: ethtool link ksettings struct to fill out
1756  * @req_speeds: speed requested by user
1757  * @advert_phy_type: advertised PHY type
1758  * @phy_type: PHY type
1759  */
1760 static void
1761 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
1762                      struct ethtool_link_ksettings *ks, u32 req_speeds,
1763                      u64 advert_phy_type, u32 phy_type)
1764 {
1765         linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);
1766
1767         if (req_speeds & phy_to_ethtool->aq_link_speed ||
1768             (!req_speeds && advert_phy_type & BIT(phy_type)))
1769                 linkmode_set_bit(phy_to_ethtool->link_mode,
1770                                  ks->link_modes.advertising);
1771 }
1772
1773 /**
1774  * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1775  * @netdev: network interface device structure
1776  * @ks: ethtool link ksettings struct to fill out
1777  */
1778 static void
1779 ice_phy_type_to_ethtool(struct net_device *netdev,
1780                         struct ethtool_link_ksettings *ks)
1781 {
1782         struct ice_netdev_priv *np = netdev_priv(netdev);
1783         struct ice_vsi *vsi = np->vsi;
1784         struct ice_pf *pf = vsi->back;
1785         u64 advert_phy_type_lo = 0;
1786         u64 advert_phy_type_hi = 0;
1787         u64 phy_types_high = 0;
1788         u64 phy_types_low = 0;
1789         u32 req_speeds;
1790         u32 i;
1791
1792         req_speeds = vsi->port_info->phy.link_info.req_speeds;
1793
1794         /* Check if lenient mode is supported and enabled, or in strict mode.
1795          *
1796          * In lenient mode the Supported link modes are the PHY types without
1797          * media. The Advertising link mode is either 1. the user requested
1798          * speed, 2. the override PHY mask, or 3. the PHY types with media.
1799          *
1800          * In strict mode Supported link mode are the PHY type with media,
1801          * and Advertising link modes are the media PHY type or the speed
1802          * requested by user.
1803          */
1804         if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1805                 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1806                 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1807
1808                 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
1809                                               &phy_types_low);
1810                 /* determine advertised modes based on link override only
1811                  * if it's supported and if the FW doesn't abstract the
1812                  * driver from having to account for link overrides
1813                  */
1814                 if (ice_fw_supports_link_override(&pf->hw) &&
1815                     !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1816                         struct ice_link_default_override_tlv *ldo;
1817
1818                         ldo = &pf->link_dflt_override;
1819                         /* If override enabled and PHY mask set, then
1820                          * Advertising link mode is the intersection of the PHY
1821                          * types without media and the override PHY mask.
1822                          */
1823                         if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1824                             (ldo->phy_type_low || ldo->phy_type_high)) {
1825                                 advert_phy_type_lo =
1826                                         le64_to_cpu(pf->nvm_phy_type_lo) &
1827                                         ldo->phy_type_low;
1828                                 advert_phy_type_hi =
1829                                         le64_to_cpu(pf->nvm_phy_type_hi) &
1830                                         ldo->phy_type_high;
1831                         }
1832                 }
1833         } else {
1834                 /* strict mode */
1835                 phy_types_low = vsi->port_info->phy.phy_type_low;
1836                 phy_types_high = vsi->port_info->phy.phy_type_high;
1837         }
1838
1839         /* If Advertising link mode PHY type is not using override PHY type,
1840          * then use PHY type with media.
1841          */
1842         if (!advert_phy_type_lo && !advert_phy_type_hi) {
1843                 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1844                 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1845         }
1846
1847         linkmode_zero(ks->link_modes.supported);
1848         linkmode_zero(ks->link_modes.advertising);
1849
1850         for (i = 0; i < BITS_PER_TYPE(u64); i++) {
1851                 if (phy_types_low & BIT_ULL(i))
1852                         ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,
1853                                              req_speeds, advert_phy_type_lo,
1854                                              i);
1855         }
1856
1857         for (i = 0; i < BITS_PER_TYPE(u64); i++) {
1858                 if (phy_types_high & BIT_ULL(i))
1859                         ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,
1860                                              req_speeds, advert_phy_type_hi,
1861                                              i);
1862         }
1863 }
1864
1865 #define TEST_SET_BITS_TIMEOUT   50
1866 #define TEST_SET_BITS_SLEEP_MAX 2000
1867 #define TEST_SET_BITS_SLEEP_MIN 1000
1868
1869 /**
1870  * ice_get_settings_link_up - Get Link settings for when link is up
1871  * @ks: ethtool ksettings to fill in
1872  * @netdev: network interface device structure
1873  */
1874 static void
1875 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1876                          struct net_device *netdev)
1877 {
1878         struct ice_netdev_priv *np = netdev_priv(netdev);
1879         struct ice_port_info *pi = np->vsi->port_info;
1880         struct ice_link_status *link_info;
1881         struct ice_vsi *vsi = np->vsi;
1882
1883         link_info = &vsi->port_info->phy.link_info;
1884
1885         /* Get supported and advertised settings from PHY ability with media */
1886         ice_phy_type_to_ethtool(netdev, ks);
1887
1888         switch (link_info->link_speed) {
1889         case ICE_AQ_LINK_SPEED_200GB:
1890                 ks->base.speed = SPEED_200000;
1891                 break;
1892         case ICE_AQ_LINK_SPEED_100GB:
1893                 ks->base.speed = SPEED_100000;
1894                 break;
1895         case ICE_AQ_LINK_SPEED_50GB:
1896                 ks->base.speed = SPEED_50000;
1897                 break;
1898         case ICE_AQ_LINK_SPEED_40GB:
1899                 ks->base.speed = SPEED_40000;
1900                 break;
1901         case ICE_AQ_LINK_SPEED_25GB:
1902                 ks->base.speed = SPEED_25000;
1903                 break;
1904         case ICE_AQ_LINK_SPEED_20GB:
1905                 ks->base.speed = SPEED_20000;
1906                 break;
1907         case ICE_AQ_LINK_SPEED_10GB:
1908                 ks->base.speed = SPEED_10000;
1909                 break;
1910         case ICE_AQ_LINK_SPEED_5GB:
1911                 ks->base.speed = SPEED_5000;
1912                 break;
1913         case ICE_AQ_LINK_SPEED_2500MB:
1914                 ks->base.speed = SPEED_2500;
1915                 break;
1916         case ICE_AQ_LINK_SPEED_1000MB:
1917                 ks->base.speed = SPEED_1000;
1918                 break;
1919         case ICE_AQ_LINK_SPEED_100MB:
1920                 ks->base.speed = SPEED_100;
1921                 break;
1922         default:
1923                 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1924                             link_info->link_speed);
1925                 break;
1926         }
1927         ks->base.duplex = DUPLEX_FULL;
1928
1929         if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1930                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1931                                                      Autoneg);
1932
1933         /* Set flow control negotiated Rx/Tx pause */
1934         switch (pi->fc.current_mode) {
1935         case ICE_FC_FULL:
1936                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1937                 break;
1938         case ICE_FC_TX_PAUSE:
1939                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1940                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1941                                                      Asym_Pause);
1942                 break;
1943         case ICE_FC_RX_PAUSE:
1944                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1945                                                      Asym_Pause);
1946                 break;
1947         case ICE_FC_PFC:
1948         default:
1949                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1950                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1951                                                      Asym_Pause);
1952                 break;
1953         }
1954 }
1955
1956 /**
1957  * ice_get_settings_link_down - Get the Link settings when link is down
1958  * @ks: ethtool ksettings to fill in
1959  * @netdev: network interface device structure
1960  *
1961  * Reports link settings that can be determined when link is down
1962  */
1963 static void
1964 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1965                            struct net_device *netdev)
1966 {
1967         /* link is down and the driver needs to fall back on
1968          * supported PHY types to figure out what info to display
1969          */
1970         ice_phy_type_to_ethtool(netdev, ks);
1971
1972         /* With no link, speed and duplex are unknown */
1973         ks->base.speed = SPEED_UNKNOWN;
1974         ks->base.duplex = DUPLEX_UNKNOWN;
1975 }
1976
1977 /**
1978  * ice_get_link_ksettings - Get Link Speed and Duplex settings
1979  * @netdev: network interface device structure
1980  * @ks: ethtool ksettings
1981  *
1982  * Reports speed/duplex settings based on media_type
1983  */
1984 static int
1985 ice_get_link_ksettings(struct net_device *netdev,
1986                        struct ethtool_link_ksettings *ks)
1987 {
1988         struct ice_netdev_priv *np = netdev_priv(netdev);
1989         struct ice_aqc_get_phy_caps_data *caps;
1990         struct ice_link_status *hw_link_info;
1991         struct ice_vsi *vsi = np->vsi;
1992         int err;
1993
1994         ethtool_link_ksettings_zero_link_mode(ks, supported);
1995         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1996         ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1997         hw_link_info = &vsi->port_info->phy.link_info;
1998
1999         /* set speed and duplex */
2000         if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2001                 ice_get_settings_link_up(ks, netdev);
2002         else
2003                 ice_get_settings_link_down(ks, netdev);
2004
2005         /* set autoneg settings */
2006         ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2007                 AUTONEG_ENABLE : AUTONEG_DISABLE;
2008
2009         /* set media type settings */
2010         switch (vsi->port_info->phy.media_type) {
2011         case ICE_MEDIA_FIBER:
2012                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2013                 ks->base.port = PORT_FIBRE;
2014                 break;
2015         case ICE_MEDIA_BASET:
2016                 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2017                 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2018                 ks->base.port = PORT_TP;
2019                 break;
2020         case ICE_MEDIA_BACKPLANE:
2021                 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2022                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2023                                                      Backplane);
2024                 ks->base.port = PORT_NONE;
2025                 break;
2026         case ICE_MEDIA_DA:
2027                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2028                 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2029                 ks->base.port = PORT_DA;
2030                 break;
2031         default:
2032                 ks->base.port = PORT_OTHER;
2033                 break;
2034         }
2035
2036         /* flow control is symmetric and always supported */
2037         ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2038
2039         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2040         if (!caps)
2041                 return -ENOMEM;
2042
2043         err = ice_aq_get_phy_caps(vsi->port_info, false,
2044                                   ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2045         if (err)
2046                 goto done;
2047
2048         /* Set the advertised flow control based on the PHY capability */
2049         if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2050             (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2051                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2052                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2053                                                      Asym_Pause);
2054         } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2055                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2056                                                      Asym_Pause);
2057         } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2058                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2059                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2060                                                      Asym_Pause);
2061         } else {
2062                 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2063                 ethtool_link_ksettings_del_link_mode(ks, advertising,
2064                                                      Asym_Pause);
2065         }
2066
2067         /* Set advertised FEC modes based on PHY capability */
2068         ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2069
2070         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2071             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2072                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2073                                                      FEC_BASER);
2074         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2075             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2076                 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2077
2078         err = ice_aq_get_phy_caps(vsi->port_info, false,
2079                                   ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2080         if (err)
2081                 goto done;
2082
2083         /* Set supported FEC modes based on PHY capability */
2084         ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2085
2086         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2087             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2088                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2089         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2090                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2091
2092         /* Set supported and advertised autoneg */
2093         if (ice_is_phy_caps_an_enabled(caps)) {
2094                 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2095                 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2096         }
2097
2098 done:
2099         kfree(caps);
2100         return err;
2101 }
2102
2103 /**
2104  * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
2105  * @speed: ethtool forced speed
2106  */
2107 static u16 ice_speed_to_aq_link(int speed)
2108 {
2109         int aq_speed;
2110
2111         switch (speed) {
2112         case SPEED_10:
2113                 aq_speed = ICE_AQ_LINK_SPEED_10MB;
2114                 break;
2115         case SPEED_100:
2116                 aq_speed = ICE_AQ_LINK_SPEED_100MB;
2117                 break;
2118         case SPEED_1000:
2119                 aq_speed = ICE_AQ_LINK_SPEED_1000MB;
2120                 break;
2121         case SPEED_2500:
2122                 aq_speed = ICE_AQ_LINK_SPEED_2500MB;
2123                 break;
2124         case SPEED_5000:
2125                 aq_speed = ICE_AQ_LINK_SPEED_5GB;
2126                 break;
2127         case SPEED_10000:
2128                 aq_speed = ICE_AQ_LINK_SPEED_10GB;
2129                 break;
2130         case SPEED_20000:
2131                 aq_speed = ICE_AQ_LINK_SPEED_20GB;
2132                 break;
2133         case SPEED_25000:
2134                 aq_speed = ICE_AQ_LINK_SPEED_25GB;
2135                 break;
2136         case SPEED_40000:
2137                 aq_speed = ICE_AQ_LINK_SPEED_40GB;
2138                 break;
2139         case SPEED_50000:
2140                 aq_speed = ICE_AQ_LINK_SPEED_50GB;
2141                 break;
2142         case SPEED_100000:
2143                 aq_speed = ICE_AQ_LINK_SPEED_100GB;
2144                 break;
2145         default:
2146                 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
2147                 break;
2148         }
2149         return aq_speed;
2150 }
2151
2152 /**
2153  * ice_ksettings_find_adv_link_speed - Find advertising link speed
2154  * @ks: ethtool ksettings
2155  */
2156 static u16
2157 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2158 {
2159         const struct ethtool_forced_speed_map *map;
2160         u16 adv_link_speed = 0;
2161
2162         for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
2163                 map = ice_adv_lnk_speed_maps + i;
2164                 if (linkmode_intersects(ks->link_modes.advertising, map->caps))
2165                         adv_link_speed |= ice_speed_to_aq_link(map->speed);
2166         }
2167
2168         return adv_link_speed;
2169 }
2170
2171 /**
2172  * ice_setup_autoneg
2173  * @p: port info
2174  * @ks: ethtool_link_ksettings
2175  * @config: configuration that will be sent down to FW
2176  * @autoneg_enabled: autonegotiation is enabled or not
2177  * @autoneg_changed: will there a change in autonegotiation
2178  * @netdev: network interface device structure
2179  *
2180  * Setup PHY autonegotiation feature
2181  */
2182 static int
2183 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2184                   struct ice_aqc_set_phy_cfg_data *config,
2185                   u8 autoneg_enabled, u8 *autoneg_changed,
2186                   struct net_device *netdev)
2187 {
2188         int err = 0;
2189
2190         *autoneg_changed = 0;
2191
2192         /* Check autoneg */
2193         if (autoneg_enabled == AUTONEG_ENABLE) {
2194                 /* If autoneg was not already enabled */
2195                 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2196                         /* If autoneg is not supported, return error */
2197                         if (!ethtool_link_ksettings_test_link_mode(ks,
2198                                                                    supported,
2199                                                                    Autoneg)) {
2200                                 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2201                                 err = -EINVAL;
2202                         } else {
2203                                 /* Autoneg is allowed to change */
2204                                 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2205                                 *autoneg_changed = 1;
2206                         }
2207                 }
2208         } else {
2209                 /* If autoneg is currently enabled */
2210                 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2211                         /* If autoneg is supported 10GBASE_T is the only PHY
2212                          * that can disable it, so otherwise return error
2213                          */
2214                         if (ethtool_link_ksettings_test_link_mode(ks,
2215                                                                   supported,
2216                                                                   Autoneg)) {
2217                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2218                                 err = -EINVAL;
2219                         } else {
2220                                 /* Autoneg is allowed to change */
2221                                 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2222                                 *autoneg_changed = 1;
2223                         }
2224                 }
2225         }
2226
2227         return err;
2228 }
2229
2230 /**
2231  * ice_set_phy_type_from_speed - set phy_types based on speeds
2232  * and advertised modes
2233  * @ks: ethtool link ksettings struct
2234  * @phy_type_low: pointer to the lower part of phy_type
2235  * @phy_type_high: pointer to the higher part of phy_type
2236  * @adv_link_speed: targeted link speeds bitmap
2237  */
2238 static void
2239 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2240                             u64 *phy_type_low, u64 *phy_type_high,
2241                             u16 adv_link_speed)
2242 {
2243         /* Handle 1000M speed in a special way because ice_update_phy_type
2244          * enables all link modes, but having mixed copper and optical
2245          * standards is not supported.
2246          */
2247         adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2248
2249         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2250                                                   1000baseT_Full))
2251                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2252                                  ICE_PHY_TYPE_LOW_1G_SGMII;
2253
2254         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2255                                                   1000baseKX_Full))
2256                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2257
2258         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2259                                                   1000baseX_Full))
2260                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2261                                  ICE_PHY_TYPE_LOW_1000BASE_LX;
2262
2263         ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2264 }
2265
2266 /**
2267  * ice_set_link_ksettings - Set Speed and Duplex
2268  * @netdev: network interface device structure
2269  * @ks: ethtool ksettings
2270  *
2271  * Set speed/duplex per media_types advertised/forced
2272  */
2273 static int
2274 ice_set_link_ksettings(struct net_device *netdev,
2275                        const struct ethtool_link_ksettings *ks)
2276 {
2277         struct ice_netdev_priv *np = netdev_priv(netdev);
2278         u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2279         struct ethtool_link_ksettings copy_ks = *ks;
2280         struct ethtool_link_ksettings safe_ks = {};
2281         struct ice_aqc_get_phy_caps_data *phy_caps;
2282         struct ice_aqc_set_phy_cfg_data config;
2283         u16 adv_link_speed, curr_link_speed;
2284         struct ice_pf *pf = np->vsi->back;
2285         struct ice_port_info *pi;
2286         u8 autoneg_changed = 0;
2287         u64 phy_type_high = 0;
2288         u64 phy_type_low = 0;
2289         bool linkup;
2290         int err;
2291
2292         pi = np->vsi->port_info;
2293
2294         if (!pi)
2295                 return -EIO;
2296
2297         if (pi->phy.media_type != ICE_MEDIA_BASET &&
2298             pi->phy.media_type != ICE_MEDIA_FIBER &&
2299             pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2300             pi->phy.media_type != ICE_MEDIA_DA &&
2301             pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2302                 return -EOPNOTSUPP;
2303
2304         phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2305         if (!phy_caps)
2306                 return -ENOMEM;
2307
2308         /* Get the PHY capabilities based on media */
2309         if (ice_fw_supports_report_dflt_cfg(pi->hw))
2310                 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2311                                           phy_caps, NULL);
2312         else
2313                 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2314                                           phy_caps, NULL);
2315         if (err)
2316                 goto done;
2317
2318         /* save autoneg out of ksettings */
2319         autoneg = copy_ks.base.autoneg;
2320
2321         /* Get link modes supported by hardware.*/
2322         ice_phy_type_to_ethtool(netdev, &safe_ks);
2323
2324         /* and check against modes requested by user.
2325          * Return an error if unsupported mode was set.
2326          */
2327         if (!bitmap_subset(copy_ks.link_modes.advertising,
2328                            safe_ks.link_modes.supported,
2329                            __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2330                 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2331                         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");
2332                 err = -EOPNOTSUPP;
2333                 goto done;
2334         }
2335
2336         /* get our own copy of the bits to check against */
2337         memset(&safe_ks, 0, sizeof(safe_ks));
2338         safe_ks.base.cmd = copy_ks.base.cmd;
2339         safe_ks.base.link_mode_masks_nwords =
2340                 copy_ks.base.link_mode_masks_nwords;
2341         ice_get_link_ksettings(netdev, &safe_ks);
2342
2343         /* set autoneg back to what it currently is */
2344         copy_ks.base.autoneg = safe_ks.base.autoneg;
2345         /* we don't compare the speed */
2346         copy_ks.base.speed = safe_ks.base.speed;
2347
2348         /* If copy_ks.base and safe_ks.base are not the same now, then they are
2349          * trying to set something that we do not support.
2350          */
2351         if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2352                 err = -EOPNOTSUPP;
2353                 goto done;
2354         }
2355
2356         while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2357                 timeout--;
2358                 if (!timeout) {
2359                         err = -EBUSY;
2360                         goto done;
2361                 }
2362                 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2363         }
2364
2365         /* Copy the current user PHY configuration. The current user PHY
2366          * configuration is initialized during probe from PHY capabilities
2367          * software mode, and updated on set PHY configuration.
2368          */
2369         config = pi->phy.curr_user_phy_cfg;
2370
2371         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2372
2373         /* Check autoneg */
2374         err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2375                                 netdev);
2376
2377         if (err)
2378                 goto done;
2379
2380         /* Call to get the current link speed */
2381         pi->phy.get_link_info = true;
2382         err = ice_get_link_status(pi, &linkup);
2383         if (err)
2384                 goto done;
2385
2386         curr_link_speed = pi->phy.curr_user_speed_req;
2387         adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2388
2389         /* If speed didn't get set, set it to what it currently is.
2390          * This is needed because if advertise is 0 (as it is when autoneg
2391          * is disabled) then speed won't get set.
2392          */
2393         if (!adv_link_speed)
2394                 adv_link_speed = curr_link_speed;
2395
2396         /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2397         ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2398                                     adv_link_speed);
2399
2400         if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2401                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2402                 goto done;
2403         }
2404
2405         /* save the requested speeds */
2406         pi->phy.link_info.req_speeds = adv_link_speed;
2407
2408         /* set link and auto negotiation so changes take effect */
2409         config.caps |= ICE_AQ_PHY_ENA_LINK;
2410
2411         /* check if there is a PHY type for the requested advertised speed */
2412         if (!(phy_type_low || phy_type_high)) {
2413                 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");
2414                 err = -EOPNOTSUPP;
2415                 goto done;
2416         }
2417
2418         /* intersect requested advertised speed PHY types with media PHY types
2419          * for set PHY configuration
2420          */
2421         config.phy_type_high = cpu_to_le64(phy_type_high) &
2422                         phy_caps->phy_type_high;
2423         config.phy_type_low = cpu_to_le64(phy_type_low) &
2424                         phy_caps->phy_type_low;
2425
2426         if (!(config.phy_type_high || config.phy_type_low)) {
2427                 /* If there is no intersection and lenient mode is enabled, then
2428                  * intersect the requested advertised speed with NVM media type
2429                  * PHY types.
2430                  */
2431                 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2432                         config.phy_type_high = cpu_to_le64(phy_type_high) &
2433                                                pf->nvm_phy_type_hi;
2434                         config.phy_type_low = cpu_to_le64(phy_type_low) &
2435                                               pf->nvm_phy_type_lo;
2436                 } else {
2437                         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");
2438                         err = -EOPNOTSUPP;
2439                         goto done;
2440                 }
2441         }
2442
2443         /* If link is up put link down */
2444         if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2445                 /* Tell the OS link is going down, the link will go
2446                  * back up when fw says it is ready asynchronously
2447                  */
2448                 ice_print_link_msg(np->vsi, false);
2449                 netif_carrier_off(netdev);
2450                 netif_tx_stop_all_queues(netdev);
2451         }
2452
2453         /* make the aq call */
2454         err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2455         if (err) {
2456                 netdev_info(netdev, "Set phy config failed,\n");
2457                 goto done;
2458         }
2459
2460         /* Save speed request */
2461         pi->phy.curr_user_speed_req = adv_link_speed;
2462 done:
2463         kfree(phy_caps);
2464         clear_bit(ICE_CFG_BUSY, pf->state);
2465
2466         return err;
2467 }
2468
2469 /**
2470  * ice_parse_hdrs - parses headers from RSS hash input
2471  * @nfc: ethtool rxnfc command
2472  *
2473  * This function parses the rxnfc command and returns intended
2474  * header types for RSS configuration
2475  */
2476 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2477 {
2478         u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2479
2480         switch (nfc->flow_type) {
2481         case TCP_V4_FLOW:
2482                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2483                 break;
2484         case UDP_V4_FLOW:
2485                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2486                 break;
2487         case SCTP_V4_FLOW:
2488                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2489                 break;
2490         case TCP_V6_FLOW:
2491                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2492                 break;
2493         case UDP_V6_FLOW:
2494                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2495                 break;
2496         case SCTP_V6_FLOW:
2497                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2498                 break;
2499         default:
2500                 break;
2501         }
2502         return hdrs;
2503 }
2504
2505 /**
2506  * ice_parse_hash_flds - parses hash fields from RSS hash input
2507  * @nfc: ethtool rxnfc command
2508  * @symm: true if Symmetric Topelitz is set
2509  *
2510  * This function parses the rxnfc command and returns intended
2511  * hash fields for RSS configuration
2512  */
2513 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm)
2514 {
2515         u64 hfld = ICE_HASH_INVALID;
2516
2517         if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2518                 switch (nfc->flow_type) {
2519                 case TCP_V4_FLOW:
2520                 case UDP_V4_FLOW:
2521                 case SCTP_V4_FLOW:
2522                         if (nfc->data & RXH_IP_SRC)
2523                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2524                         if (nfc->data & RXH_IP_DST)
2525                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2526                         break;
2527                 case TCP_V6_FLOW:
2528                 case UDP_V6_FLOW:
2529                 case SCTP_V6_FLOW:
2530                         if (nfc->data & RXH_IP_SRC)
2531                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2532                         if (nfc->data & RXH_IP_DST)
2533                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2534                         break;
2535                 default:
2536                         break;
2537                 }
2538         }
2539
2540         if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2541                 switch (nfc->flow_type) {
2542                 case TCP_V4_FLOW:
2543                 case TCP_V6_FLOW:
2544                         if (nfc->data & RXH_L4_B_0_1)
2545                                 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2546                         if (nfc->data & RXH_L4_B_2_3)
2547                                 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2548                         break;
2549                 case UDP_V4_FLOW:
2550                 case UDP_V6_FLOW:
2551                         if (nfc->data & RXH_L4_B_0_1)
2552                                 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2553                         if (nfc->data & RXH_L4_B_2_3)
2554                                 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2555                         break;
2556                 case SCTP_V4_FLOW:
2557                 case SCTP_V6_FLOW:
2558                         if (nfc->data & RXH_L4_B_0_1)
2559                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2560                         if (nfc->data & RXH_L4_B_2_3)
2561                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2562                         break;
2563                 default:
2564                         break;
2565                 }
2566         }
2567
2568         return hfld;
2569 }
2570
2571 /**
2572  * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2573  * @vsi: the VSI being configured
2574  * @nfc: ethtool rxnfc command
2575  *
2576  * Returns Success if the flow input set is supported.
2577  */
2578 static int
2579 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2580 {
2581         struct ice_pf *pf = vsi->back;
2582         struct ice_rss_hash_cfg cfg;
2583         struct device *dev;
2584         u64 hashed_flds;
2585         int status;
2586         bool symm;
2587         u32 hdrs;
2588
2589         dev = ice_pf_to_dev(pf);
2590         if (ice_is_safe_mode(pf)) {
2591                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2592                         vsi->vsi_num);
2593                 return -EINVAL;
2594         }
2595
2596         symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ);
2597         hashed_flds = ice_parse_hash_flds(nfc, symm);
2598         if (hashed_flds == ICE_HASH_INVALID) {
2599                 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2600                         vsi->vsi_num);
2601                 return -EINVAL;
2602         }
2603
2604         hdrs = ice_parse_hdrs(nfc);
2605         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2606                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2607                         vsi->vsi_num);
2608                 return -EINVAL;
2609         }
2610
2611         cfg.hash_flds = hashed_flds;
2612         cfg.addl_hdrs = hdrs;
2613         cfg.hdr_type = ICE_RSS_ANY_HEADERS;
2614         cfg.symm = symm;
2615
2616         status = ice_add_rss_cfg(&pf->hw, vsi, &cfg);
2617         if (status) {
2618                 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2619                         vsi->vsi_num, status);
2620                 return status;
2621         }
2622
2623         return 0;
2624 }
2625
2626 /**
2627  * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2628  * @vsi: the VSI being configured
2629  * @nfc: ethtool rxnfc command
2630  */
2631 static void
2632 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2633 {
2634         struct ice_pf *pf = vsi->back;
2635         struct device *dev;
2636         u64 hash_flds;
2637         bool symm;
2638         u32 hdrs;
2639
2640         dev = ice_pf_to_dev(pf);
2641
2642         nfc->data = 0;
2643         if (ice_is_safe_mode(pf)) {
2644                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2645                         vsi->vsi_num);
2646                 return;
2647         }
2648
2649         hdrs = ice_parse_hdrs(nfc);
2650         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2651                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2652                         vsi->vsi_num);
2653                 return;
2654         }
2655
2656         hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm);
2657         if (hash_flds == ICE_HASH_INVALID) {
2658                 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2659                         vsi->vsi_num);
2660                 return;
2661         }
2662
2663         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2664             hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2665                 nfc->data |= (u64)RXH_IP_SRC;
2666
2667         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2668             hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2669                 nfc->data |= (u64)RXH_IP_DST;
2670
2671         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2672             hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2673             hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2674                 nfc->data |= (u64)RXH_L4_B_0_1;
2675
2676         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2677             hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2678             hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2679                 nfc->data |= (u64)RXH_L4_B_2_3;
2680 }
2681
2682 /**
2683  * ice_set_rxnfc - command to set Rx flow rules.
2684  * @netdev: network interface device structure
2685  * @cmd: ethtool rxnfc command
2686  *
2687  * Returns 0 for success and negative values for errors
2688  */
2689 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2690 {
2691         struct ice_netdev_priv *np = netdev_priv(netdev);
2692         struct ice_vsi *vsi = np->vsi;
2693
2694         switch (cmd->cmd) {
2695         case ETHTOOL_SRXCLSRLINS:
2696                 return ice_add_fdir_ethtool(vsi, cmd);
2697         case ETHTOOL_SRXCLSRLDEL:
2698                 return ice_del_fdir_ethtool(vsi, cmd);
2699         case ETHTOOL_SRXFH:
2700                 return ice_set_rss_hash_opt(vsi, cmd);
2701         default:
2702                 break;
2703         }
2704         return -EOPNOTSUPP;
2705 }
2706
2707 /**
2708  * ice_get_rxnfc - command to get Rx flow classification rules
2709  * @netdev: network interface device structure
2710  * @cmd: ethtool rxnfc command
2711  * @rule_locs: buffer to rturn Rx flow classification rules
2712  *
2713  * Returns Success if the command is supported.
2714  */
2715 static int
2716 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2717               u32 __always_unused *rule_locs)
2718 {
2719         struct ice_netdev_priv *np = netdev_priv(netdev);
2720         struct ice_vsi *vsi = np->vsi;
2721         int ret = -EOPNOTSUPP;
2722         struct ice_hw *hw;
2723
2724         hw = &vsi->back->hw;
2725
2726         switch (cmd->cmd) {
2727         case ETHTOOL_GRXRINGS:
2728                 cmd->data = vsi->rss_size;
2729                 ret = 0;
2730                 break;
2731         case ETHTOOL_GRXCLSRLCNT:
2732                 cmd->rule_cnt = hw->fdir_active_fltr;
2733                 /* report total rule count */
2734                 cmd->data = ice_get_fdir_cnt_all(hw);
2735                 ret = 0;
2736                 break;
2737         case ETHTOOL_GRXCLSRULE:
2738                 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2739                 break;
2740         case ETHTOOL_GRXCLSRLALL:
2741                 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2742                 break;
2743         case ETHTOOL_GRXFH:
2744                 ice_get_rss_hash_opt(vsi, cmd);
2745                 ret = 0;
2746                 break;
2747         default:
2748                 break;
2749         }
2750
2751         return ret;
2752 }
2753
2754 static void
2755 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2756                   struct kernel_ethtool_ringparam *kernel_ring,
2757                   struct netlink_ext_ack *extack)
2758 {
2759         struct ice_netdev_priv *np = netdev_priv(netdev);
2760         struct ice_vsi *vsi = np->vsi;
2761
2762         ring->rx_max_pending = ICE_MAX_NUM_DESC;
2763         ring->tx_max_pending = ICE_MAX_NUM_DESC;
2764         if (vsi->tx_rings && vsi->rx_rings) {
2765                 ring->rx_pending = vsi->rx_rings[0]->count;
2766                 ring->tx_pending = vsi->tx_rings[0]->count;
2767         } else {
2768                 ring->rx_pending = 0;
2769                 ring->tx_pending = 0;
2770         }
2771
2772         /* Rx mini and jumbo rings are not supported */
2773         ring->rx_mini_max_pending = 0;
2774         ring->rx_jumbo_max_pending = 0;
2775         ring->rx_mini_pending = 0;
2776         ring->rx_jumbo_pending = 0;
2777 }
2778
2779 static int
2780 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2781                   struct kernel_ethtool_ringparam *kernel_ring,
2782                   struct netlink_ext_ack *extack)
2783 {
2784         struct ice_netdev_priv *np = netdev_priv(netdev);
2785         struct ice_tx_ring *xdp_rings = NULL;
2786         struct ice_tx_ring *tx_rings = NULL;
2787         struct ice_rx_ring *rx_rings = NULL;
2788         struct ice_vsi *vsi = np->vsi;
2789         struct ice_pf *pf = vsi->back;
2790         int i, timeout = 50, err = 0;
2791         u16 new_rx_cnt, new_tx_cnt;
2792
2793         if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2794             ring->tx_pending < ICE_MIN_NUM_DESC ||
2795             ring->rx_pending > ICE_MAX_NUM_DESC ||
2796             ring->rx_pending < ICE_MIN_NUM_DESC) {
2797                 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2798                            ring->tx_pending, ring->rx_pending,
2799                            ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2800                            ICE_REQ_DESC_MULTIPLE);
2801                 return -EINVAL;
2802         }
2803
2804         /* Return if there is no rings (device is reloading) */
2805         if (!vsi->tx_rings || !vsi->rx_rings)
2806                 return -EBUSY;
2807
2808         new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2809         if (new_tx_cnt != ring->tx_pending)
2810                 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2811                             new_tx_cnt);
2812         new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2813         if (new_rx_cnt != ring->rx_pending)
2814                 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2815                             new_rx_cnt);
2816
2817         /* if nothing to do return success */
2818         if (new_tx_cnt == vsi->tx_rings[0]->count &&
2819             new_rx_cnt == vsi->rx_rings[0]->count) {
2820                 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2821                 return 0;
2822         }
2823
2824         /* If there is a AF_XDP UMEM attached to any of Rx rings,
2825          * disallow changing the number of descriptors -- regardless
2826          * if the netdev is running or not.
2827          */
2828         if (ice_xsk_any_rx_ring_ena(vsi))
2829                 return -EBUSY;
2830
2831         while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2832                 timeout--;
2833                 if (!timeout)
2834                         return -EBUSY;
2835                 usleep_range(1000, 2000);
2836         }
2837
2838         /* set for the next time the netdev is started */
2839         if (!netif_running(vsi->netdev)) {
2840                 ice_for_each_alloc_txq(vsi, i)
2841                         vsi->tx_rings[i]->count = new_tx_cnt;
2842                 ice_for_each_alloc_rxq(vsi, i)
2843                         vsi->rx_rings[i]->count = new_rx_cnt;
2844                 if (ice_is_xdp_ena_vsi(vsi))
2845                         ice_for_each_xdp_txq(vsi, i)
2846                                 vsi->xdp_rings[i]->count = new_tx_cnt;
2847                 vsi->num_tx_desc = (u16)new_tx_cnt;
2848                 vsi->num_rx_desc = (u16)new_rx_cnt;
2849                 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2850                 goto done;
2851         }
2852
2853         if (new_tx_cnt == vsi->tx_rings[0]->count)
2854                 goto process_rx;
2855
2856         /* alloc updated Tx resources */
2857         netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2858                     vsi->tx_rings[0]->count, new_tx_cnt);
2859
2860         tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2861         if (!tx_rings) {
2862                 err = -ENOMEM;
2863                 goto done;
2864         }
2865
2866         ice_for_each_txq(vsi, i) {
2867                 /* clone ring and setup updated count */
2868                 tx_rings[i] = *vsi->tx_rings[i];
2869                 tx_rings[i].count = new_tx_cnt;
2870                 tx_rings[i].desc = NULL;
2871                 tx_rings[i].tx_buf = NULL;
2872                 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
2873                 err = ice_setup_tx_ring(&tx_rings[i]);
2874                 if (err) {
2875                         while (i--)
2876                                 ice_clean_tx_ring(&tx_rings[i]);
2877                         kfree(tx_rings);
2878                         goto done;
2879                 }
2880         }
2881
2882         if (!ice_is_xdp_ena_vsi(vsi))
2883                 goto process_rx;
2884
2885         /* alloc updated XDP resources */
2886         netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2887                     vsi->xdp_rings[0]->count, new_tx_cnt);
2888
2889         xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2890         if (!xdp_rings) {
2891                 err = -ENOMEM;
2892                 goto free_tx;
2893         }
2894
2895         ice_for_each_xdp_txq(vsi, i) {
2896                 /* clone ring and setup updated count */
2897                 xdp_rings[i] = *vsi->xdp_rings[i];
2898                 xdp_rings[i].count = new_tx_cnt;
2899                 xdp_rings[i].desc = NULL;
2900                 xdp_rings[i].tx_buf = NULL;
2901                 err = ice_setup_tx_ring(&xdp_rings[i]);
2902                 if (err) {
2903                         while (i--)
2904                                 ice_clean_tx_ring(&xdp_rings[i]);
2905                         kfree(xdp_rings);
2906                         goto free_tx;
2907                 }
2908                 ice_set_ring_xdp(&xdp_rings[i]);
2909         }
2910
2911 process_rx:
2912         if (new_rx_cnt == vsi->rx_rings[0]->count)
2913                 goto process_link;
2914
2915         /* alloc updated Rx resources */
2916         netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2917                     vsi->rx_rings[0]->count, new_rx_cnt);
2918
2919         rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2920         if (!rx_rings) {
2921                 err = -ENOMEM;
2922                 goto done;
2923         }
2924
2925         ice_for_each_rxq(vsi, i) {
2926                 /* clone ring and setup updated count */
2927                 rx_rings[i] = *vsi->rx_rings[i];
2928                 rx_rings[i].count = new_rx_cnt;
2929                 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
2930                 rx_rings[i].desc = NULL;
2931                 rx_rings[i].rx_buf = NULL;
2932                 /* this is to allow wr32 to have something to write to
2933                  * during early allocation of Rx buffers
2934                  */
2935                 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2936
2937                 err = ice_setup_rx_ring(&rx_rings[i]);
2938                 if (err)
2939                         goto rx_unwind;
2940
2941                 /* allocate Rx buffers */
2942                 err = ice_alloc_rx_bufs(&rx_rings[i],
2943                                         ICE_RX_DESC_UNUSED(&rx_rings[i]));
2944 rx_unwind:
2945                 if (err) {
2946                         while (i) {
2947                                 i--;
2948                                 ice_free_rx_ring(&rx_rings[i]);
2949                         }
2950                         kfree(rx_rings);
2951                         err = -ENOMEM;
2952                         goto free_tx;
2953                 }
2954         }
2955
2956 process_link:
2957         /* Bring interface down, copy in the new ring info, then restore the
2958          * interface. if VSI is up, bring it down and then back up
2959          */
2960         if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
2961                 ice_down(vsi);
2962
2963                 if (tx_rings) {
2964                         ice_for_each_txq(vsi, i) {
2965                                 ice_free_tx_ring(vsi->tx_rings[i]);
2966                                 *vsi->tx_rings[i] = tx_rings[i];
2967                         }
2968                         kfree(tx_rings);
2969                 }
2970
2971                 if (rx_rings) {
2972                         ice_for_each_rxq(vsi, i) {
2973                                 ice_free_rx_ring(vsi->rx_rings[i]);
2974                                 /* copy the real tail offset */
2975                                 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2976                                 /* this is to fake out the allocation routine
2977                                  * into thinking it has to realloc everything
2978                                  * but the recycling logic will let us re-use
2979                                  * the buffers allocated above
2980                                  */
2981                                 rx_rings[i].next_to_use = 0;
2982                                 rx_rings[i].next_to_clean = 0;
2983                                 rx_rings[i].next_to_alloc = 0;
2984                                 *vsi->rx_rings[i] = rx_rings[i];
2985                         }
2986                         kfree(rx_rings);
2987                 }
2988
2989                 if (xdp_rings) {
2990                         ice_for_each_xdp_txq(vsi, i) {
2991                                 ice_free_tx_ring(vsi->xdp_rings[i]);
2992                                 *vsi->xdp_rings[i] = xdp_rings[i];
2993                         }
2994                         kfree(xdp_rings);
2995                 }
2996
2997                 vsi->num_tx_desc = new_tx_cnt;
2998                 vsi->num_rx_desc = new_rx_cnt;
2999                 ice_up(vsi);
3000         }
3001         goto done;
3002
3003 free_tx:
3004         /* error cleanup if the Rx allocations failed after getting Tx */
3005         if (tx_rings) {
3006                 ice_for_each_txq(vsi, i)
3007                         ice_free_tx_ring(&tx_rings[i]);
3008                 kfree(tx_rings);
3009         }
3010
3011 done:
3012         clear_bit(ICE_CFG_BUSY, pf->state);
3013         return err;
3014 }
3015
3016 /**
3017  * ice_get_pauseparam - Get Flow Control status
3018  * @netdev: network interface device structure
3019  * @pause: ethernet pause (flow control) parameters
3020  *
3021  * Get requested flow control status from PHY capability.
3022  * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3023  * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3024  * the negotiated Rx/Tx pause via lp_advertising.
3025  */
3026 static void
3027 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3028 {
3029         struct ice_netdev_priv *np = netdev_priv(netdev);
3030         struct ice_port_info *pi = np->vsi->port_info;
3031         struct ice_aqc_get_phy_caps_data *pcaps;
3032         struct ice_dcbx_cfg *dcbx_cfg;
3033         int status;
3034
3035         /* Initialize pause params */
3036         pause->rx_pause = 0;
3037         pause->tx_pause = 0;
3038
3039         dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3040
3041         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3042         if (!pcaps)
3043                 return;
3044
3045         /* Get current PHY config */
3046         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3047                                      NULL);
3048         if (status)
3049                 goto out;
3050
3051         pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3052                                                              AUTONEG_DISABLE;
3053
3054         if (dcbx_cfg->pfc.pfcena)
3055                 /* PFC enabled so report LFC as off */
3056                 goto out;
3057
3058         if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3059                 pause->tx_pause = 1;
3060         if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3061                 pause->rx_pause = 1;
3062
3063 out:
3064         kfree(pcaps);
3065 }
3066
3067 /**
3068  * ice_set_pauseparam - Set Flow Control parameter
3069  * @netdev: network interface device structure
3070  * @pause: return Tx/Rx flow control status
3071  */
3072 static int
3073 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3074 {
3075         struct ice_netdev_priv *np = netdev_priv(netdev);
3076         struct ice_aqc_get_phy_caps_data *pcaps;
3077         struct ice_link_status *hw_link_info;
3078         struct ice_pf *pf = np->vsi->back;
3079         struct ice_dcbx_cfg *dcbx_cfg;
3080         struct ice_vsi *vsi = np->vsi;
3081         struct ice_hw *hw = &pf->hw;
3082         struct ice_port_info *pi;
3083         u8 aq_failures;
3084         bool link_up;
3085         u32 is_an;
3086         int err;
3087
3088         pi = vsi->port_info;
3089         hw_link_info = &pi->phy.link_info;
3090         dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3091         link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3092
3093         /* Changing the port's flow control is not supported if this isn't the
3094          * PF VSI
3095          */
3096         if (vsi->type != ICE_VSI_PF) {
3097                 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3098                 return -EOPNOTSUPP;
3099         }
3100
3101         /* Get pause param reports configured and negotiated flow control pause
3102          * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3103          * defined get pause param pause->autoneg reports SW configured setting,
3104          * so compare pause->autoneg with SW configured to prevent the user from
3105          * using set pause param to chance autoneg.
3106          */
3107         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3108         if (!pcaps)
3109                 return -ENOMEM;
3110
3111         /* Get current PHY config */
3112         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3113                                   NULL);
3114         if (err) {
3115                 kfree(pcaps);
3116                 return err;
3117         }
3118
3119         is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3120                                                     AUTONEG_DISABLE;
3121
3122         kfree(pcaps);
3123
3124         if (pause->autoneg != is_an) {
3125                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3126                 return -EOPNOTSUPP;
3127         }
3128
3129         /* If we have link and don't have autoneg */
3130         if (!test_bit(ICE_DOWN, pf->state) &&
3131             !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3132                 /* Send message that it might not necessarily work*/
3133                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3134         }
3135
3136         if (dcbx_cfg->pfc.pfcena) {
3137                 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3138                 return -EOPNOTSUPP;
3139         }
3140         if (pause->rx_pause && pause->tx_pause)
3141                 pi->fc.req_mode = ICE_FC_FULL;
3142         else if (pause->rx_pause && !pause->tx_pause)
3143                 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3144         else if (!pause->rx_pause && pause->tx_pause)
3145                 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3146         else if (!pause->rx_pause && !pause->tx_pause)
3147                 pi->fc.req_mode = ICE_FC_NONE;
3148         else
3149                 return -EINVAL;
3150
3151         /* Set the FC mode and only restart AN if link is up */
3152         err = ice_set_fc(pi, &aq_failures, link_up);
3153
3154         if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3155                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3156                             err, ice_aq_str(hw->adminq.sq_last_status));
3157                 err = -EAGAIN;
3158         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3159                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3160                             err, ice_aq_str(hw->adminq.sq_last_status));
3161                 err = -EAGAIN;
3162         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3163                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3164                             err, ice_aq_str(hw->adminq.sq_last_status));
3165                 err = -EAGAIN;
3166         }
3167
3168         return err;
3169 }
3170
3171 /**
3172  * ice_get_rxfh_key_size - get the RSS hash key size
3173  * @netdev: network interface device structure
3174  *
3175  * Returns the table size.
3176  */
3177 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3178 {
3179         return ICE_VSIQF_HKEY_ARRAY_SIZE;
3180 }
3181
3182 /**
3183  * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3184  * @netdev: network interface device structure
3185  *
3186  * Returns the table size.
3187  */
3188 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3189 {
3190         struct ice_netdev_priv *np = netdev_priv(netdev);
3191
3192         return np->vsi->rss_table_size;
3193 }
3194
3195 /**
3196  * ice_get_rxfh - get the Rx flow hash indirection table
3197  * @netdev: network interface device structure
3198  * @rxfh: pointer to param struct (indir, key, hfunc)
3199  *
3200  * Reads the indirection table directly from the hardware.
3201  */
3202 static int
3203 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
3204 {
3205         struct ice_netdev_priv *np = netdev_priv(netdev);
3206         u32 rss_context = rxfh->rss_context;
3207         struct ice_vsi *vsi = np->vsi;
3208         struct ice_pf *pf = vsi->back;
3209         u16 qcount, offset;
3210         int err, num_tc, i;
3211         u8 *lut;
3212
3213         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3214                 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3215                 return -EOPNOTSUPP;
3216         }
3217
3218         if (rss_context && !ice_is_adq_active(pf)) {
3219                 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
3220                 return -EINVAL;
3221         }
3222
3223         qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3224         offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3225
3226         if (rss_context && ice_is_adq_active(pf)) {
3227                 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3228                 if (rss_context >= num_tc) {
3229                         netdev_err(netdev, "RSS context:%d  > num_tc:%d\n",
3230                                    rss_context, num_tc);
3231                         return -EINVAL;
3232                 }
3233                 /* Use channel VSI of given TC */
3234                 vsi = vsi->tc_map_vsi[rss_context];
3235         }
3236
3237         rxfh->hfunc = ETH_RSS_HASH_TOP;
3238         if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)
3239                 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;
3240
3241         if (!rxfh->indir)
3242                 return 0;
3243
3244         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3245         if (!lut)
3246                 return -ENOMEM;
3247
3248         err = ice_get_rss_key(vsi, rxfh->key);
3249         if (err)
3250                 goto out;
3251
3252         err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3253         if (err)
3254                 goto out;
3255
3256         if (ice_is_adq_active(pf)) {
3257                 for (i = 0; i < vsi->rss_table_size; i++)
3258                         rxfh->indir[i] = offset + lut[i] % qcount;
3259                 goto out;
3260         }
3261
3262         for (i = 0; i < vsi->rss_table_size; i++)
3263                 rxfh->indir[i] = lut[i];
3264
3265 out:
3266         kfree(lut);
3267         return err;
3268 }
3269
3270 /**
3271  * ice_set_rxfh - set the Rx flow hash indirection table
3272  * @netdev: network interface device structure
3273  * @rxfh: pointer to param struct (indir, key, hfunc)
3274  * @extack: extended ACK from the Netlink message
3275  *
3276  * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3277  * returns 0 after programming the table.
3278  */
3279 static int
3280 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
3281              struct netlink_ext_ack *extack)
3282 {
3283         struct ice_netdev_priv *np = netdev_priv(netdev);
3284         u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
3285         struct ice_vsi *vsi = np->vsi;
3286         struct ice_pf *pf = vsi->back;
3287         struct device *dev;
3288         int err;
3289
3290         dev = ice_pf_to_dev(pf);
3291         if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3292             rxfh->hfunc != ETH_RSS_HASH_TOP)
3293                 return -EOPNOTSUPP;
3294
3295         if (rxfh->rss_context)
3296                 return -EOPNOTSUPP;
3297
3298         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3299                 /* RSS not supported return error here */
3300                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3301                 return -EIO;
3302         }
3303
3304         if (ice_is_adq_active(pf)) {
3305                 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3306                 return -EOPNOTSUPP;
3307         }
3308
3309         /* Update the VSI's hash function */
3310         if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)
3311                 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;
3312
3313         err = ice_set_rss_hfunc(vsi, hfunc);
3314         if (err)
3315                 return err;
3316
3317         if (rxfh->key) {
3318                 if (!vsi->rss_hkey_user) {
3319                         vsi->rss_hkey_user =
3320                                 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3321                                              GFP_KERNEL);
3322                         if (!vsi->rss_hkey_user)
3323                                 return -ENOMEM;
3324                 }
3325                 memcpy(vsi->rss_hkey_user, rxfh->key,
3326                        ICE_VSIQF_HKEY_ARRAY_SIZE);
3327
3328                 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3329                 if (err)
3330                         return err;
3331         }
3332
3333         if (!vsi->rss_lut_user) {
3334                 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3335                                                  GFP_KERNEL);
3336                 if (!vsi->rss_lut_user)
3337                         return -ENOMEM;
3338         }
3339
3340         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3341         if (rxfh->indir) {
3342                 int i;
3343
3344                 for (i = 0; i < vsi->rss_table_size; i++)
3345                         vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);
3346         } else {
3347                 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3348                                  vsi->rss_size);
3349         }
3350
3351         err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3352         if (err)
3353                 return err;
3354
3355         return 0;
3356 }
3357
3358 static int
3359 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3360 {
3361         struct ice_pf *pf = ice_netdev_to_pf(dev);
3362
3363         /* only report timestamping if PTP is enabled */
3364         if (!test_bit(ICE_FLAG_PTP, pf->flags))
3365                 return ethtool_op_get_ts_info(dev, info);
3366
3367         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3368                                 SOF_TIMESTAMPING_RX_SOFTWARE |
3369                                 SOF_TIMESTAMPING_SOFTWARE |
3370                                 SOF_TIMESTAMPING_TX_HARDWARE |
3371                                 SOF_TIMESTAMPING_RX_HARDWARE |
3372                                 SOF_TIMESTAMPING_RAW_HARDWARE;
3373
3374         info->phc_index = ice_ptp_clock_index(pf);
3375
3376         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3377
3378         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3379
3380         return 0;
3381 }
3382
3383 /**
3384  * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3385  * @pf: PF structure
3386  */
3387 static int ice_get_max_txq(struct ice_pf *pf)
3388 {
3389         return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3390                     (u16)pf->hw.func_caps.common_cap.num_txq);
3391 }
3392
3393 /**
3394  * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3395  * @pf: PF structure
3396  */
3397 static int ice_get_max_rxq(struct ice_pf *pf)
3398 {
3399         return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3400                     (u16)pf->hw.func_caps.common_cap.num_rxq);
3401 }
3402
3403 /**
3404  * ice_get_combined_cnt - return the current number of combined channels
3405  * @vsi: PF VSI pointer
3406  *
3407  * Go through all queue vectors and count ones that have both Rx and Tx ring
3408  * attached
3409  */
3410 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3411 {
3412         u32 combined = 0;
3413         int q_idx;
3414
3415         ice_for_each_q_vector(vsi, q_idx) {
3416                 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3417
3418                 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3419                         combined++;
3420         }
3421
3422         return combined;
3423 }
3424
3425 /**
3426  * ice_get_channels - get the current and max supported channels
3427  * @dev: network interface device structure
3428  * @ch: ethtool channel data structure
3429  */
3430 static void
3431 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3432 {
3433         struct ice_netdev_priv *np = netdev_priv(dev);
3434         struct ice_vsi *vsi = np->vsi;
3435         struct ice_pf *pf = vsi->back;
3436
3437         /* report maximum channels */
3438         ch->max_rx = ice_get_max_rxq(pf);
3439         ch->max_tx = ice_get_max_txq(pf);
3440         ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3441
3442         /* report current channels */
3443         ch->combined_count = ice_get_combined_cnt(vsi);
3444         ch->rx_count = vsi->num_rxq - ch->combined_count;
3445         ch->tx_count = vsi->num_txq - ch->combined_count;
3446
3447         /* report other queues */
3448         ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3449         ch->max_other = ch->other_count;
3450 }
3451
3452 /**
3453  * ice_get_valid_rss_size - return valid number of RSS queues
3454  * @hw: pointer to the HW structure
3455  * @new_size: requested RSS queues
3456  */
3457 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3458 {
3459         struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3460
3461         return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3462 }
3463
3464 /**
3465  * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3466  * @vsi: VSI to reconfigure RSS LUT on
3467  * @req_rss_size: requested range of queue numbers for hashing
3468  *
3469  * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3470  */
3471 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3472 {
3473         struct ice_pf *pf = vsi->back;
3474         struct device *dev;
3475         struct ice_hw *hw;
3476         int err;
3477         u8 *lut;
3478
3479         dev = ice_pf_to_dev(pf);
3480         hw = &pf->hw;
3481
3482         if (!req_rss_size)
3483                 return -EINVAL;
3484
3485         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3486         if (!lut)
3487                 return -ENOMEM;
3488
3489         /* set RSS LUT parameters */
3490         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3491                 vsi->rss_size = 1;
3492         else
3493                 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3494
3495         /* create/set RSS LUT */
3496         ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3497         err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3498         if (err)
3499                 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3500                         ice_aq_str(hw->adminq.sq_last_status));
3501
3502         kfree(lut);
3503         return err;
3504 }
3505
3506 /**
3507  * ice_set_channels - set the number channels
3508  * @dev: network interface device structure
3509  * @ch: ethtool channel data structure
3510  */
3511 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3512 {
3513         struct ice_netdev_priv *np = netdev_priv(dev);
3514         struct ice_vsi *vsi = np->vsi;
3515         struct ice_pf *pf = vsi->back;
3516         int new_rx = 0, new_tx = 0;
3517         bool locked = false;
3518         u32 curr_combined;
3519         int ret = 0;
3520
3521         /* do not support changing channels in Safe Mode */
3522         if (ice_is_safe_mode(pf)) {
3523                 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3524                 return -EOPNOTSUPP;
3525         }
3526         /* do not support changing other_count */
3527         if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3528                 return -EINVAL;
3529
3530         if (ice_is_adq_active(pf)) {
3531                 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3532                 return -EOPNOTSUPP;
3533         }
3534
3535         if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3536                 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3537                 return -EOPNOTSUPP;
3538         }
3539
3540         curr_combined = ice_get_combined_cnt(vsi);
3541
3542         /* these checks are for cases where user didn't specify a particular
3543          * value on cmd line but we get non-zero value anyway via
3544          * get_channels(); look at ethtool.c in ethtool repository (the user
3545          * space part), particularly, do_schannels() routine
3546          */
3547         if (ch->rx_count == vsi->num_rxq - curr_combined)
3548                 ch->rx_count = 0;
3549         if (ch->tx_count == vsi->num_txq - curr_combined)
3550                 ch->tx_count = 0;
3551         if (ch->combined_count == curr_combined)
3552                 ch->combined_count = 0;
3553
3554         if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3555                 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3556                 return -EINVAL;
3557         }
3558
3559         new_rx = ch->combined_count + ch->rx_count;
3560         new_tx = ch->combined_count + ch->tx_count;
3561
3562         if (new_rx < vsi->tc_cfg.numtc) {
3563                 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3564                            vsi->tc_cfg.numtc);
3565                 return -EINVAL;
3566         }
3567         if (new_tx < vsi->tc_cfg.numtc) {
3568                 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3569                            vsi->tc_cfg.numtc);
3570                 return -EINVAL;
3571         }
3572         if (new_rx > ice_get_max_rxq(pf)) {
3573                 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3574                            ice_get_max_rxq(pf));
3575                 return -EINVAL;
3576         }
3577         if (new_tx > ice_get_max_txq(pf)) {
3578                 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3579                            ice_get_max_txq(pf));
3580                 return -EINVAL;
3581         }
3582
3583         if (pf->adev) {
3584                 mutex_lock(&pf->adev_mutex);
3585                 device_lock(&pf->adev->dev);
3586                 locked = true;
3587                 if (pf->adev->dev.driver) {
3588                         netdev_err(dev, "Cannot change channels when RDMA is active\n");
3589                         ret = -EBUSY;
3590                         goto adev_unlock;
3591                 }
3592         }
3593
3594         ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3595
3596         if (!netif_is_rxfh_configured(dev)) {
3597                 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3598                 goto adev_unlock;
3599         }
3600
3601         /* Update rss_size due to change in Rx queues */
3602         vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3603
3604 adev_unlock:
3605         if (locked) {
3606                 device_unlock(&pf->adev->dev);
3607                 mutex_unlock(&pf->adev_mutex);
3608         }
3609         return ret;
3610 }
3611
3612 /**
3613  * ice_get_wol - get current Wake on LAN configuration
3614  * @netdev: network interface device structure
3615  * @wol: Ethtool structure to retrieve WoL settings
3616  */
3617 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3618 {
3619         struct ice_netdev_priv *np = netdev_priv(netdev);
3620         struct ice_pf *pf = np->vsi->back;
3621
3622         if (np->vsi->type != ICE_VSI_PF)
3623                 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3624
3625         /* Get WoL settings based on the HW capability */
3626         if (ice_is_wol_supported(&pf->hw)) {
3627                 wol->supported = WAKE_MAGIC;
3628                 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3629         } else {
3630                 wol->supported = 0;
3631                 wol->wolopts = 0;
3632         }
3633 }
3634
3635 /**
3636  * ice_set_wol - set Wake on LAN on supported device
3637  * @netdev: network interface device structure
3638  * @wol: Ethtool structure to set WoL
3639  */
3640 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3641 {
3642         struct ice_netdev_priv *np = netdev_priv(netdev);
3643         struct ice_vsi *vsi = np->vsi;
3644         struct ice_pf *pf = vsi->back;
3645
3646         if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3647                 return -EOPNOTSUPP;
3648
3649         /* only magic packet is supported */
3650         if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3651                 return -EOPNOTSUPP;
3652
3653         /* Set WoL only if there is a new value */
3654         if (pf->wol_ena != !!wol->wolopts) {
3655                 pf->wol_ena = !!wol->wolopts;
3656                 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3657                 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3658                            pf->wol_ena ? "en" : "dis");
3659         }
3660
3661         return 0;
3662 }
3663
3664 /**
3665  * ice_get_rc_coalesce - get ITR values for specific ring container
3666  * @ec: ethtool structure to fill with driver's coalesce settings
3667  * @rc: ring container that the ITR values will come from
3668  *
3669  * Query the device for ice_ring_container specific ITR values. This is
3670  * done per ice_ring_container because each q_vector can have 1 or more rings
3671  * and all of said ring(s) will have the same ITR values.
3672  *
3673  * Returns 0 on success, negative otherwise.
3674  */
3675 static int
3676 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3677 {
3678         if (!rc->rx_ring)
3679                 return -EINVAL;
3680
3681         switch (rc->type) {
3682         case ICE_RX_CONTAINER:
3683                 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3684                 ec->rx_coalesce_usecs = rc->itr_setting;
3685                 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3686                 break;
3687         case ICE_TX_CONTAINER:
3688                 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3689                 ec->tx_coalesce_usecs = rc->itr_setting;
3690                 break;
3691         default:
3692                 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3693                 return -EINVAL;
3694         }
3695
3696         return 0;
3697 }
3698
3699 /**
3700  * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3701  * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3702  * @ec: coalesce settings to program the device with
3703  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3704  *
3705  * Return 0 on success, and negative under the following conditions:
3706  * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3707  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3708  */
3709 static int
3710 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3711 {
3712         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3713                 if (ice_get_rc_coalesce(ec,
3714                                         &vsi->rx_rings[q_num]->q_vector->rx))
3715                         return -EINVAL;
3716                 if (ice_get_rc_coalesce(ec,
3717                                         &vsi->tx_rings[q_num]->q_vector->tx))
3718                         return -EINVAL;
3719         } else if (q_num < vsi->num_rxq) {
3720                 if (ice_get_rc_coalesce(ec,
3721                                         &vsi->rx_rings[q_num]->q_vector->rx))
3722                         return -EINVAL;
3723         } else if (q_num < vsi->num_txq) {
3724                 if (ice_get_rc_coalesce(ec,
3725                                         &vsi->tx_rings[q_num]->q_vector->tx))
3726                         return -EINVAL;
3727         } else {
3728                 return -EINVAL;
3729         }
3730
3731         return 0;
3732 }
3733
3734 /**
3735  * __ice_get_coalesce - get ITR/INTRL values for the device
3736  * @netdev: pointer to the netdev associated with this query
3737  * @ec: ethtool structure to fill with driver's coalesce settings
3738  * @q_num: queue number to get the coalesce settings for
3739  *
3740  * If the caller passes in a negative q_num then we return coalesce settings
3741  * based on queue number 0, else use the actual q_num passed in.
3742  */
3743 static int
3744 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3745                    int q_num)
3746 {
3747         struct ice_netdev_priv *np = netdev_priv(netdev);
3748         struct ice_vsi *vsi = np->vsi;
3749
3750         if (q_num < 0)
3751                 q_num = 0;
3752
3753         if (ice_get_q_coalesce(vsi, ec, q_num))
3754                 return -EINVAL;
3755
3756         return 0;
3757 }
3758
3759 static int ice_get_coalesce(struct net_device *netdev,
3760                             struct ethtool_coalesce *ec,
3761                             struct kernel_ethtool_coalesce *kernel_coal,
3762                             struct netlink_ext_ack *extack)
3763 {
3764         return __ice_get_coalesce(netdev, ec, -1);
3765 }
3766
3767 static int
3768 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3769                        struct ethtool_coalesce *ec)
3770 {
3771         return __ice_get_coalesce(netdev, ec, q_num);
3772 }
3773
3774 /**
3775  * ice_set_rc_coalesce - set ITR values for specific ring container
3776  * @ec: ethtool structure from user to update ITR settings
3777  * @rc: ring container that the ITR values will come from
3778  * @vsi: VSI associated to the ring container
3779  *
3780  * Set specific ITR values. This is done per ice_ring_container because each
3781  * q_vector can have 1 or more rings and all of said ring(s) will have the same
3782  * ITR values.
3783  *
3784  * Returns 0 on success, negative otherwise.
3785  */
3786 static int
3787 ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3788                     struct ice_ring_container *rc, struct ice_vsi *vsi)
3789 {
3790         const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3791         u32 use_adaptive_coalesce, coalesce_usecs;
3792         struct ice_pf *pf = vsi->back;
3793         u16 itr_setting;
3794
3795         if (!rc->rx_ring)
3796                 return -EINVAL;
3797
3798         switch (rc->type) {
3799         case ICE_RX_CONTAINER:
3800         {
3801                 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3802
3803                 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3804                     (ec->rx_coalesce_usecs_high &&
3805                      ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3806                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3807                                     c_type_str, pf->hw.intrl_gran,
3808                                     ICE_MAX_INTRL);
3809                         return -EINVAL;
3810                 }
3811                 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3812                     (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3813                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3814                                     c_type_str);
3815                         return -EINVAL;
3816                 }
3817                 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3818                         q_vector->intrl = ec->rx_coalesce_usecs_high;
3819
3820                 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3821                 coalesce_usecs = ec->rx_coalesce_usecs;
3822
3823                 break;
3824         }
3825         case ICE_TX_CONTAINER:
3826                 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3827                 coalesce_usecs = ec->tx_coalesce_usecs;
3828
3829                 break;
3830         default:
3831                 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3832                         rc->type);
3833                 return -EINVAL;
3834         }
3835
3836         itr_setting = rc->itr_setting;
3837         if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3838                 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3839                             c_type_str, c_type_str);
3840                 return -EINVAL;
3841         }
3842
3843         if (coalesce_usecs > ICE_ITR_MAX) {
3844                 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3845                             c_type_str, ICE_ITR_MAX);
3846                 return -EINVAL;
3847         }
3848
3849         if (use_adaptive_coalesce) {
3850                 rc->itr_mode = ITR_DYNAMIC;
3851         } else {
3852                 rc->itr_mode = ITR_STATIC;
3853                 /* store user facing value how it was set */
3854                 rc->itr_setting = coalesce_usecs;
3855                 /* write the change to the register */
3856                 ice_write_itr(rc, coalesce_usecs);
3857                 /* force writes to take effect immediately, the flush shouldn't
3858                  * be done in the functions above because the intent is for
3859                  * them to do lazy writes.
3860                  */
3861                 ice_flush(&pf->hw);
3862         }
3863
3864         return 0;
3865 }
3866
3867 /**
3868  * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3869  * @vsi: VSI associated to the queue that need updating
3870  * @ec: coalesce settings to program the device with
3871  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3872  *
3873  * Return 0 on success, and negative under the following conditions:
3874  * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3875  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3876  */
3877 static int
3878 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3879 {
3880         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3881                 if (ice_set_rc_coalesce(ec,
3882                                         &vsi->rx_rings[q_num]->q_vector->rx,
3883                                         vsi))
3884                         return -EINVAL;
3885
3886                 if (ice_set_rc_coalesce(ec,
3887                                         &vsi->tx_rings[q_num]->q_vector->tx,
3888                                         vsi))
3889                         return -EINVAL;
3890         } else if (q_num < vsi->num_rxq) {
3891                 if (ice_set_rc_coalesce(ec,
3892                                         &vsi->rx_rings[q_num]->q_vector->rx,
3893                                         vsi))
3894                         return -EINVAL;
3895         } else if (q_num < vsi->num_txq) {
3896                 if (ice_set_rc_coalesce(ec,
3897                                         &vsi->tx_rings[q_num]->q_vector->tx,
3898                                         vsi))
3899                         return -EINVAL;
3900         } else {
3901                 return -EINVAL;
3902         }
3903
3904         return 0;
3905 }
3906
3907 /**
3908  * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3909  * @netdev: netdev used for print
3910  * @itr_setting: previous user setting
3911  * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3912  * @coalesce_usecs: requested value of [tx|rx]-usecs
3913  * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3914  */
3915 static void
3916 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3917                        u32 use_adaptive_coalesce, u32 coalesce_usecs,
3918                        const char *c_type_str)
3919 {
3920         if (use_adaptive_coalesce)
3921                 return;
3922
3923         if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3924                 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",
3925                             c_type_str, coalesce_usecs, c_type_str,
3926                             ITR_REG_ALIGN(coalesce_usecs));
3927 }
3928
3929 /**
3930  * __ice_set_coalesce - set ITR/INTRL values for the device
3931  * @netdev: pointer to the netdev associated with this query
3932  * @ec: ethtool structure to fill with driver's coalesce settings
3933  * @q_num: queue number to get the coalesce settings for
3934  *
3935  * If the caller passes in a negative q_num then we set the coalesce settings
3936  * for all Tx/Rx queues, else use the actual q_num passed in.
3937  */
3938 static int
3939 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3940                    int q_num)
3941 {
3942         struct ice_netdev_priv *np = netdev_priv(netdev);
3943         struct ice_vsi *vsi = np->vsi;
3944
3945         if (q_num < 0) {
3946                 struct ice_q_vector *q_vector = vsi->q_vectors[0];
3947                 int v_idx;
3948
3949                 if (q_vector) {
3950                         ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
3951                                                ec->use_adaptive_rx_coalesce,
3952                                                ec->rx_coalesce_usecs, "rx");
3953
3954                         ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
3955                                                ec->use_adaptive_tx_coalesce,
3956                                                ec->tx_coalesce_usecs, "tx");
3957                 }
3958
3959                 ice_for_each_q_vector(vsi, v_idx) {
3960                         /* In some cases if DCB is configured the num_[rx|tx]q
3961                          * can be less than vsi->num_q_vectors. This check
3962                          * accounts for that so we don't report a false failure
3963                          */
3964                         if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3965                                 goto set_complete;
3966
3967                         if (ice_set_q_coalesce(vsi, ec, v_idx))
3968                                 return -EINVAL;
3969
3970                         ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
3971                 }
3972                 goto set_complete;
3973         }
3974
3975         if (ice_set_q_coalesce(vsi, ec, q_num))
3976                 return -EINVAL;
3977
3978         ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
3979
3980 set_complete:
3981         return 0;
3982 }
3983
3984 static int ice_set_coalesce(struct net_device *netdev,
3985                             struct ethtool_coalesce *ec,
3986                             struct kernel_ethtool_coalesce *kernel_coal,
3987                             struct netlink_ext_ack *extack)
3988 {
3989         return __ice_set_coalesce(netdev, ec, -1);
3990 }
3991
3992 static int
3993 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3994                        struct ethtool_coalesce *ec)
3995 {
3996         return __ice_set_coalesce(netdev, ec, q_num);
3997 }
3998
3999 static void
4000 ice_repr_get_drvinfo(struct net_device *netdev,
4001                      struct ethtool_drvinfo *drvinfo)
4002 {
4003         struct ice_repr *repr = ice_netdev_to_repr(netdev);
4004
4005         if (ice_check_vf_ready_for_cfg(repr->vf))
4006                 return;
4007
4008         __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4009 }
4010
4011 static void
4012 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4013 {
4014         struct ice_repr *repr = ice_netdev_to_repr(netdev);
4015
4016         /* for port representors only ETH_SS_STATS is supported */
4017         if (ice_check_vf_ready_for_cfg(repr->vf) ||
4018             stringset != ETH_SS_STATS)
4019                 return;
4020
4021         __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4022 }
4023
4024 static void
4025 ice_repr_get_ethtool_stats(struct net_device *netdev,
4026                            struct ethtool_stats __always_unused *stats,
4027                            u64 *data)
4028 {
4029         struct ice_repr *repr = ice_netdev_to_repr(netdev);
4030
4031         if (ice_check_vf_ready_for_cfg(repr->vf))
4032                 return;
4033
4034         __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4035 }
4036
4037 static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4038 {
4039         switch (sset) {
4040         case ETH_SS_STATS:
4041                 return ICE_VSI_STATS_LEN;
4042         default:
4043                 return -EOPNOTSUPP;
4044         }
4045 }
4046
4047 #define ICE_I2C_EEPROM_DEV_ADDR         0xA0
4048 #define ICE_I2C_EEPROM_DEV_ADDR2        0xA2
4049 #define ICE_MODULE_TYPE_SFP             0x03
4050 #define ICE_MODULE_TYPE_QSFP_PLUS       0x0D
4051 #define ICE_MODULE_TYPE_QSFP28          0x11
4052 #define ICE_MODULE_SFF_ADDR_MODE        0x04
4053 #define ICE_MODULE_SFF_DIAG_CAPAB       0x40
4054 #define ICE_MODULE_REVISION_ADDR        0x01
4055 #define ICE_MODULE_SFF_8472_COMP        0x5E
4056 #define ICE_MODULE_SFF_8472_SWAP        0x5C
4057 #define ICE_MODULE_QSFP_MAX_LEN         640
4058
4059 /**
4060  * ice_get_module_info - get SFF module type and revision information
4061  * @netdev: network interface device structure
4062  * @modinfo: module EEPROM size and layout information structure
4063  */
4064 static int
4065 ice_get_module_info(struct net_device *netdev,
4066                     struct ethtool_modinfo *modinfo)
4067 {
4068         struct ice_netdev_priv *np = netdev_priv(netdev);
4069         struct ice_vsi *vsi = np->vsi;
4070         struct ice_pf *pf = vsi->back;
4071         struct ice_hw *hw = &pf->hw;
4072         u8 sff8472_comp = 0;
4073         u8 sff8472_swap = 0;
4074         u8 sff8636_rev = 0;
4075         u8 value = 0;
4076         int status;
4077
4078         status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4079                                    0, &value, 1, 0, NULL);
4080         if (status)
4081                 return status;
4082
4083         switch (value) {
4084         case ICE_MODULE_TYPE_SFP:
4085                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4086                                            ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4087                                            &sff8472_comp, 1, 0, NULL);
4088                 if (status)
4089                         return status;
4090                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4091                                            ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4092                                            &sff8472_swap, 1, 0, NULL);
4093                 if (status)
4094                         return status;
4095
4096                 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4097                         modinfo->type = ETH_MODULE_SFF_8079;
4098                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4099                 } else if (sff8472_comp &&
4100                            (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4101                         modinfo->type = ETH_MODULE_SFF_8472;
4102                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4103                 } else {
4104                         modinfo->type = ETH_MODULE_SFF_8079;
4105                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4106                 }
4107                 break;
4108         case ICE_MODULE_TYPE_QSFP_PLUS:
4109         case ICE_MODULE_TYPE_QSFP28:
4110                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4111                                            ICE_MODULE_REVISION_ADDR, 0x00, 0,
4112                                            &sff8636_rev, 1, 0, NULL);
4113                 if (status)
4114                         return status;
4115                 /* Check revision compliance */
4116                 if (sff8636_rev > 0x02) {
4117                         /* Module is SFF-8636 compliant */
4118                         modinfo->type = ETH_MODULE_SFF_8636;
4119                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4120                 } else {
4121                         modinfo->type = ETH_MODULE_SFF_8436;
4122                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4123                 }
4124                 break;
4125         default:
4126                 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4127                 return -EINVAL;
4128         }
4129         return 0;
4130 }
4131
4132 /**
4133  * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4134  * @netdev: network interface device structure
4135  * @ee: EEPROM dump request structure
4136  * @data: buffer to be filled with EEPROM contents
4137  */
4138 static int
4139 ice_get_module_eeprom(struct net_device *netdev,
4140                       struct ethtool_eeprom *ee, u8 *data)
4141 {
4142         struct ice_netdev_priv *np = netdev_priv(netdev);
4143 #define SFF_READ_BLOCK_SIZE 8
4144         u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4145         u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4146         struct ice_vsi *vsi = np->vsi;
4147         struct ice_pf *pf = vsi->back;
4148         struct ice_hw *hw = &pf->hw;
4149         bool is_sfp = false;
4150         unsigned int i, j;
4151         u16 offset = 0;
4152         u8 page = 0;
4153         int status;
4154
4155         if (!ee || !ee->len || !data)
4156                 return -EINVAL;
4157
4158         status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4159                                    NULL);
4160         if (status)
4161                 return status;
4162
4163         if (value[0] == ICE_MODULE_TYPE_SFP)
4164                 is_sfp = true;
4165
4166         memset(data, 0, ee->len);
4167         for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4168                 offset = i + ee->offset;
4169                 page = 0;
4170
4171                 /* Check if we need to access the other memory page */
4172                 if (is_sfp) {
4173                         if (offset >= ETH_MODULE_SFF_8079_LEN) {
4174                                 offset -= ETH_MODULE_SFF_8079_LEN;
4175                                 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4176                         }
4177                 } else {
4178                         while (offset >= ETH_MODULE_SFF_8436_LEN) {
4179                                 /* Compute memory page number and offset. */
4180                                 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4181                                 page++;
4182                         }
4183                 }
4184
4185                 /* Bit 2 of EEPROM address 0x02 declares upper
4186                  * pages are disabled on QSFP modules.
4187                  * SFP modules only ever use page 0.
4188                  */
4189                 if (page == 0 || !(data[0x2] & 0x4)) {
4190                         u32 copy_len;
4191
4192                         /* If i2c bus is busy due to slow page change or
4193                          * link management access, call can fail. This is normal.
4194                          * So we retry this a few times.
4195                          */
4196                         for (j = 0; j < 4; j++) {
4197                                 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4198                                                            !is_sfp, value,
4199                                                            SFF_READ_BLOCK_SIZE,
4200                                                            0, NULL);
4201                                 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4202                                            addr, offset, page, is_sfp,
4203                                            value[0], value[1], value[2], value[3],
4204                                            value[4], value[5], value[6], value[7],
4205                                            status);
4206                                 if (status) {
4207                                         usleep_range(1500, 2500);
4208                                         memset(value, 0, SFF_READ_BLOCK_SIZE);
4209                                         continue;
4210                                 }
4211                                 break;
4212                         }
4213
4214                         /* Make sure we have enough room for the new block */
4215                         copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4216                         memcpy(data + i, value, copy_len);
4217                 }
4218         }
4219         return 0;
4220 }
4221
4222 static const struct ethtool_ops ice_ethtool_ops = {
4223         .cap_rss_ctx_supported  = true,
4224         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4225                                      ETHTOOL_COALESCE_USE_ADAPTIVE |
4226                                      ETHTOOL_COALESCE_RX_USECS_HIGH,
4227         .cap_rss_sym_xor_supported = true,
4228         .get_link_ksettings     = ice_get_link_ksettings,
4229         .set_link_ksettings     = ice_set_link_ksettings,
4230         .get_drvinfo            = ice_get_drvinfo,
4231         .get_regs_len           = ice_get_regs_len,
4232         .get_regs               = ice_get_regs,
4233         .get_wol                = ice_get_wol,
4234         .set_wol                = ice_set_wol,
4235         .get_msglevel           = ice_get_msglevel,
4236         .set_msglevel           = ice_set_msglevel,
4237         .self_test              = ice_self_test,
4238         .get_link               = ethtool_op_get_link,
4239         .get_eeprom_len         = ice_get_eeprom_len,
4240         .get_eeprom             = ice_get_eeprom,
4241         .get_coalesce           = ice_get_coalesce,
4242         .set_coalesce           = ice_set_coalesce,
4243         .get_strings            = ice_get_strings,
4244         .set_phys_id            = ice_set_phys_id,
4245         .get_ethtool_stats      = ice_get_ethtool_stats,
4246         .get_priv_flags         = ice_get_priv_flags,
4247         .set_priv_flags         = ice_set_priv_flags,
4248         .get_sset_count         = ice_get_sset_count,
4249         .get_rxnfc              = ice_get_rxnfc,
4250         .set_rxnfc              = ice_set_rxnfc,
4251         .get_ringparam          = ice_get_ringparam,
4252         .set_ringparam          = ice_set_ringparam,
4253         .nway_reset             = ice_nway_reset,
4254         .get_pauseparam         = ice_get_pauseparam,
4255         .set_pauseparam         = ice_set_pauseparam,
4256         .get_rxfh_key_size      = ice_get_rxfh_key_size,
4257         .get_rxfh_indir_size    = ice_get_rxfh_indir_size,
4258         .get_rxfh               = ice_get_rxfh,
4259         .set_rxfh               = ice_set_rxfh,
4260         .get_channels           = ice_get_channels,
4261         .set_channels           = ice_set_channels,
4262         .get_ts_info            = ice_get_ts_info,
4263         .get_per_queue_coalesce = ice_get_per_q_coalesce,
4264         .set_per_queue_coalesce = ice_set_per_q_coalesce,
4265         .get_fecparam           = ice_get_fecparam,
4266         .set_fecparam           = ice_set_fecparam,
4267         .get_module_info        = ice_get_module_info,
4268         .get_module_eeprom      = ice_get_module_eeprom,
4269 };
4270
4271 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4272         .get_link_ksettings     = ice_get_link_ksettings,
4273         .set_link_ksettings     = ice_set_link_ksettings,
4274         .get_drvinfo            = ice_get_drvinfo,
4275         .get_regs_len           = ice_get_regs_len,
4276         .get_regs               = ice_get_regs,
4277         .get_wol                = ice_get_wol,
4278         .set_wol                = ice_set_wol,
4279         .get_msglevel           = ice_get_msglevel,
4280         .set_msglevel           = ice_set_msglevel,
4281         .get_link               = ethtool_op_get_link,
4282         .get_eeprom_len         = ice_get_eeprom_len,
4283         .get_eeprom             = ice_get_eeprom,
4284         .get_strings            = ice_get_strings,
4285         .get_ethtool_stats      = ice_get_ethtool_stats,
4286         .get_sset_count         = ice_get_sset_count,
4287         .get_ringparam          = ice_get_ringparam,
4288         .set_ringparam          = ice_set_ringparam,
4289         .nway_reset             = ice_nway_reset,
4290         .get_channels           = ice_get_channels,
4291 };
4292
4293 /**
4294  * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4295  * @netdev: network interface device structure
4296  */
4297 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4298 {
4299         netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4300 }
4301
4302 static const struct ethtool_ops ice_ethtool_repr_ops = {
4303         .get_drvinfo            = ice_repr_get_drvinfo,
4304         .get_link               = ethtool_op_get_link,
4305         .get_strings            = ice_repr_get_strings,
4306         .get_ethtool_stats      = ice_repr_get_ethtool_stats,
4307         .get_sset_count         = ice_repr_get_sset_count,
4308 };
4309
4310 /**
4311  * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4312  * @netdev: network interface device structure
4313  */
4314 void ice_set_ethtool_repr_ops(struct net_device *netdev)
4315 {
4316         netdev->ethtool_ops = &ice_ethtool_repr_ops;
4317 }
4318
4319 /**
4320  * ice_set_ethtool_ops - setup netdev ethtool ops
4321  * @netdev: network interface device structure
4322  *
4323  * setup netdev ethtool ops with ice specific ops
4324  */
4325 void ice_set_ethtool_ops(struct net_device *netdev)
4326 {
4327         netdev->ethtool_ops = &ice_ethtool_ops;
4328 }