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_eipe_error.nic", hw_rx_eipe_error),
 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 = kzalloc(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         u8 *tx_frame __free(kfree);
 949         int i;
 950
 951         netdev_info(netdev, "loopback test\n");
 952
 953         test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
 954         if (!test_vsi) {
 955                 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
 956                 return 1;
 957         }
 958
 959         test_vsi->netdev = netdev;
 960         tx_ring = test_vsi->tx_rings[0];
 961         rx_ring = test_vsi->rx_rings[0];
 962
 963         if (ice_lbtest_prepare_rings(test_vsi)) {
 964                 ret = 2;
 965                 goto lbtest_vsi_close;
 966         }
 967
 968         if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
 969                 ret = 3;
 970                 goto lbtest_rings_dis;
 971         }
 972
 973         /* Enable MAC loopback in firmware */
 974         if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
 975                 ret = 4;
 976                 goto lbtest_mac_dis;
 977         }
 978
 979         /* Test VSI needs to receive broadcast packets */
 980         eth_broadcast_addr(broadcast);
 981         if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
 982                 ret = 5;
 983                 goto lbtest_mac_dis;
 984         }
 985
 986         if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
 987                 ret = 7;
 988                 goto remove_mac_filters;
 989         }
 990
 991         num_frames = min_t(int, tx_ring->count, 32);
 992         for (i = 0; i < num_frames; i++) {
 993                 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
 994                         ret = 8;
 995                         goto remove_mac_filters;
 996                 }
 997         }
 998
 999         valid_frames = ice_lbtest_receive_frames(rx_ring);
1000         if (!valid_frames)
1001                 ret = 9;
1002         else if (valid_frames != num_frames)
1003                 ret = 10;
1004
1005 remove_mac_filters:
1006         if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
1007                 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
1008 lbtest_mac_dis:
1009         /* Disable MAC loopback after the test is completed. */
1010         if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
1011                 netdev_err(netdev, "Could not disable MAC loopback\n");
1012 lbtest_rings_dis:
1013         if (ice_lbtest_disable_rings(test_vsi))
1014                 netdev_err(netdev, "Could not disable test rings\n");
1015 lbtest_vsi_close:
1016         test_vsi->netdev = NULL;
1017         if (ice_vsi_release(test_vsi))
1018                 netdev_err(netdev, "Failed to remove the test VSI\n");
1019
1020         return ret;
1021 }
1022
1023 /**
1024  * ice_intr_test - perform an interrupt test on a given net_device
1025  * @netdev: network interface device structure
1026  *
1027  * This function performs one of the self-tests required by ethtool.
1028  * Returns 0 on success, non-zero on failure.
1029  */
1030 static u64 ice_intr_test(struct net_device *netdev)
1031 {
1032         struct ice_netdev_priv *np = netdev_priv(netdev);
1033         struct ice_pf *pf = np->vsi->back;
1034         u16 swic_old = pf->sw_int_count;
1035
1036         netdev_info(netdev, "interrupt test\n");
1037
1038         wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
1039              GLINT_DYN_CTL_SW_ITR_INDX_M |
1040              GLINT_DYN_CTL_INTENA_MSK_M |
1041              GLINT_DYN_CTL_SWINT_TRIG_M);
1042
1043         usleep_range(1000, 2000);
1044         return (swic_old == pf->sw_int_count);
1045 }
1046
1047 /**
1048  * ice_self_test - handler function for performing a self-test by ethtool
1049  * @netdev: network interface device structure
1050  * @eth_test: ethtool_test structure
1051  * @data: required by ethtool.self_test
1052  *
1053  * This function is called after invoking 'ethtool -t devname' command where
1054  * devname is the name of the network device on which ethtool should operate.
1055  * It performs a set of self-tests to check if a device works properly.
1056  */
1057 static void
1058 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
1059               u64 *data)
1060 {
1061         struct ice_netdev_priv *np = netdev_priv(netdev);
1062         bool if_running = netif_running(netdev);
1063         struct ice_pf *pf = np->vsi->back;
1064         struct device *dev;
1065
1066         dev = ice_pf_to_dev(pf);
1067
1068         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1069                 netdev_info(netdev, "offline testing starting\n");
1070
1071                 set_bit(ICE_TESTING, pf->state);
1072
1073                 if (ice_active_vfs(pf)) {
1074                         dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1075                         data[ICE_ETH_TEST_REG] = 1;
1076                         data[ICE_ETH_TEST_EEPROM] = 1;
1077                         data[ICE_ETH_TEST_INTR] = 1;
1078                         data[ICE_ETH_TEST_LOOP] = 1;
1079                         data[ICE_ETH_TEST_LINK] = 1;
1080                         eth_test->flags |= ETH_TEST_FL_FAILED;
1081                         clear_bit(ICE_TESTING, pf->state);
1082                         goto skip_ol_tests;
1083                 }
1084                 /* If the device is online then take it offline */
1085                 if (if_running)
1086                         /* indicate we're in test mode */
1087                         ice_stop(netdev);
1088
1089                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1090                 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1091                 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1092                 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1093                 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1094
1095                 if (data[ICE_ETH_TEST_LINK] ||
1096                     data[ICE_ETH_TEST_EEPROM] ||
1097                     data[ICE_ETH_TEST_LOOP] ||
1098                     data[ICE_ETH_TEST_INTR] ||
1099                     data[ICE_ETH_TEST_REG])
1100                         eth_test->flags |= ETH_TEST_FL_FAILED;
1101
1102                 clear_bit(ICE_TESTING, pf->state);
1103
1104                 if (if_running) {
1105                         int status = ice_open(netdev);
1106
1107                         if (status) {
1108                                 dev_err(dev, "Could not open device %s, err %d\n",
1109                                         pf->int_name, status);
1110                         }
1111                 }
1112         } else {
1113                 /* Online tests */
1114                 netdev_info(netdev, "online testing starting\n");
1115
1116                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1117                 if (data[ICE_ETH_TEST_LINK])
1118                         eth_test->flags |= ETH_TEST_FL_FAILED;
1119
1120                 /* Offline only tests, not run in online; pass by default */
1121                 data[ICE_ETH_TEST_REG] = 0;
1122                 data[ICE_ETH_TEST_EEPROM] = 0;
1123                 data[ICE_ETH_TEST_INTR] = 0;
1124                 data[ICE_ETH_TEST_LOOP] = 0;
1125         }
1126
1127 skip_ol_tests:
1128         netdev_info(netdev, "testing finished\n");
1129 }
1130
1131 static void
1132 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1133                   struct ice_vsi *vsi)
1134 {
1135         unsigned int i;
1136         u8 *p = data;
1137
1138         switch (stringset) {
1139         case ETH_SS_STATS:
1140                 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1141                         ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);
1142
1143                 if (ice_is_port_repr_netdev(netdev))
1144                         return;
1145
1146                 ice_for_each_alloc_txq(vsi, i) {
1147                         ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1148                         ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1149                 }
1150
1151                 ice_for_each_alloc_rxq(vsi, i) {
1152                         ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1153                         ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1154                 }
1155
1156                 if (vsi->type != ICE_VSI_PF)
1157                         return;
1158
1159                 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1160                         ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);
1161
1162                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1163                         ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1164                         ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1165                 }
1166                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1167                         ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1168                         ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1169                 }
1170                 break;
1171         case ETH_SS_TEST:
1172                 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1173                 break;
1174         case ETH_SS_PRIV_FLAGS:
1175                 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1176                         ethtool_puts(&p, ice_gstrings_priv_flags[i].name);
1177                 break;
1178         default:
1179                 break;
1180         }
1181 }
1182
1183 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1184 {
1185         struct ice_netdev_priv *np = netdev_priv(netdev);
1186
1187         __ice_get_strings(netdev, stringset, data, np->vsi);
1188 }
1189
1190 static int
1191 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1192 {
1193         struct ice_netdev_priv *np = netdev_priv(netdev);
1194         bool led_active;
1195
1196         switch (state) {
1197         case ETHTOOL_ID_ACTIVE:
1198                 led_active = true;
1199                 break;
1200         case ETHTOOL_ID_INACTIVE:
1201                 led_active = false;
1202                 break;
1203         default:
1204                 return -EINVAL;
1205         }
1206
1207         if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1208                 return -EIO;
1209
1210         return 0;
1211 }
1212
1213 /**
1214  * ice_set_fec_cfg - Set link FEC options
1215  * @netdev: network interface device structure
1216  * @req_fec: FEC mode to configure
1217  */
1218 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1219 {
1220         struct ice_netdev_priv *np = netdev_priv(netdev);
1221         struct ice_aqc_set_phy_cfg_data config = { 0 };
1222         struct ice_vsi *vsi = np->vsi;
1223         struct ice_port_info *pi;
1224
1225         pi = vsi->port_info;
1226         if (!pi)
1227                 return -EOPNOTSUPP;
1228
1229         /* Changing the FEC parameters is not supported if not the PF VSI */
1230         if (vsi->type != ICE_VSI_PF) {
1231                 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1232                 return -EOPNOTSUPP;
1233         }
1234
1235         /* Proceed only if requesting different FEC mode */
1236         if (pi->phy.curr_user_fec_req == req_fec)
1237                 return 0;
1238
1239         /* Copy the current user PHY configuration. The current user PHY
1240          * configuration is initialized during probe from PHY capabilities
1241          * software mode, and updated on set PHY configuration.
1242          */
1243         memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1244
1245         ice_cfg_phy_fec(pi, &config, req_fec);
1246         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1247
1248         if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1249                 return -EAGAIN;
1250
1251         /* Save requested FEC config */
1252         pi->phy.curr_user_fec_req = req_fec;
1253
1254         return 0;
1255 }
1256
1257 /**
1258  * ice_set_fecparam - Set FEC link options
1259  * @netdev: network interface device structure
1260  * @fecparam: Ethtool structure to retrieve FEC parameters
1261  */
1262 static int
1263 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1264 {
1265         struct ice_netdev_priv *np = netdev_priv(netdev);
1266         struct ice_vsi *vsi = np->vsi;
1267         enum ice_fec_mode fec;
1268
1269         switch (fecparam->fec) {
1270         case ETHTOOL_FEC_AUTO:
1271                 fec = ICE_FEC_AUTO;
1272                 break;
1273         case ETHTOOL_FEC_RS:
1274                 fec = ICE_FEC_RS;
1275                 break;
1276         case ETHTOOL_FEC_BASER:
1277                 fec = ICE_FEC_BASER;
1278                 break;
1279         case ETHTOOL_FEC_OFF:
1280         case ETHTOOL_FEC_NONE:
1281                 fec = ICE_FEC_NONE;
1282                 break;
1283         default:
1284                 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1285                          fecparam->fec);
1286                 return -EINVAL;
1287         }
1288
1289         return ice_set_fec_cfg(netdev, fec);
1290 }
1291
1292 /**
1293  * ice_get_fecparam - Get link FEC options
1294  * @netdev: network interface device structure
1295  * @fecparam: Ethtool structure to retrieve FEC parameters
1296  */
1297 static int
1298 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1299 {
1300         struct ice_netdev_priv *np = netdev_priv(netdev);
1301         struct ice_aqc_get_phy_caps_data *caps;
1302         struct ice_link_status *link_info;
1303         struct ice_vsi *vsi = np->vsi;
1304         struct ice_port_info *pi;
1305         int err;
1306
1307         pi = vsi->port_info;
1308
1309         if (!pi)
1310                 return -EOPNOTSUPP;
1311         link_info = &pi->phy.link_info;
1312
1313         /* Set FEC mode based on negotiated link info */
1314         switch (link_info->fec_info) {
1315         case ICE_AQ_LINK_25G_KR_FEC_EN:
1316                 fecparam->active_fec = ETHTOOL_FEC_BASER;
1317                 break;
1318         case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1319         case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1320                 fecparam->active_fec = ETHTOOL_FEC_RS;
1321                 break;
1322         default:
1323                 fecparam->active_fec = ETHTOOL_FEC_OFF;
1324                 break;
1325         }
1326
1327         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1328         if (!caps)
1329                 return -ENOMEM;
1330
1331         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1332                                   caps, NULL);
1333         if (err)
1334                 goto done;
1335
1336         /* Set supported/configured FEC modes based on PHY capability */
1337         if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1338                 fecparam->fec |= ETHTOOL_FEC_AUTO;
1339         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1340             caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1341             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1342             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1343                 fecparam->fec |= ETHTOOL_FEC_BASER;
1344         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1345             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1346             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1347                 fecparam->fec |= ETHTOOL_FEC_RS;
1348         if (caps->link_fec_options == 0)
1349                 fecparam->fec |= ETHTOOL_FEC_OFF;
1350
1351 done:
1352         kfree(caps);
1353         return err;
1354 }
1355
1356 /**
1357  * ice_nway_reset - restart autonegotiation
1358  * @netdev: network interface device structure
1359  */
1360 static int ice_nway_reset(struct net_device *netdev)
1361 {
1362         struct ice_netdev_priv *np = netdev_priv(netdev);
1363         struct ice_vsi *vsi = np->vsi;
1364         int err;
1365
1366         /* If VSI state is up, then restart autoneg with link up */
1367         if (!test_bit(ICE_DOWN, vsi->back->state))
1368                 err = ice_set_link(vsi, true);
1369         else
1370                 err = ice_set_link(vsi, false);
1371
1372         return err;
1373 }
1374
1375 /**
1376  * ice_get_priv_flags - report device private flags
1377  * @netdev: network interface device structure
1378  *
1379  * The get string set count and the string set should be matched for each
1380  * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
1381  * array.
1382  *
1383  * Returns a u32 bitmap of flags.
1384  */
1385 static u32 ice_get_priv_flags(struct net_device *netdev)
1386 {
1387         struct ice_netdev_priv *np = netdev_priv(netdev);
1388         struct ice_vsi *vsi = np->vsi;
1389         struct ice_pf *pf = vsi->back;
1390         u32 i, ret_flags = 0;
1391
1392         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1393                 const struct ice_priv_flag *priv_flag;
1394
1395                 priv_flag = &ice_gstrings_priv_flags[i];
1396
1397                 if (test_bit(priv_flag->bitno, pf->flags))
1398                         ret_flags |= BIT(i);
1399         }
1400
1401         return ret_flags;
1402 }
1403
1404 /**
1405  * ice_set_priv_flags - set private flags
1406  * @netdev: network interface device structure
1407  * @flags: bit flags to be set
1408  */
1409 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1410 {
1411         struct ice_netdev_priv *np = netdev_priv(netdev);
1412         DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1413         DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1414         struct ice_vsi *vsi = np->vsi;
1415         struct ice_pf *pf = vsi->back;
1416         struct device *dev;
1417         int ret = 0;
1418         u32 i;
1419
1420         if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1421                 return -EINVAL;
1422
1423         dev = ice_pf_to_dev(pf);
1424         set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1425
1426         bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1427         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1428                 const struct ice_priv_flag *priv_flag;
1429
1430                 priv_flag = &ice_gstrings_priv_flags[i];
1431
1432                 if (flags & BIT(i))
1433                         set_bit(priv_flag->bitno, pf->flags);
1434                 else
1435                         clear_bit(priv_flag->bitno, pf->flags);
1436         }
1437
1438         bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1439
1440         /* Do not allow change to link-down-on-close when Total Port Shutdown
1441          * is enabled.
1442          */
1443         if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1444             test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1445                 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1446                 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1447                 ret = -EINVAL;
1448                 goto ethtool_exit;
1449         }
1450
1451         if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1452                 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1453                         int status;
1454
1455                         /* Disable FW LLDP engine */
1456                         status = ice_cfg_lldp_mib_change(&pf->hw, false);
1457
1458                         /* If unregistering for LLDP events fails, this is
1459                          * not an error state, as there shouldn't be any
1460                          * events to respond to.
1461                          */
1462                         if (status)
1463                                 dev_info(dev, "Failed to unreg for LLDP events\n");
1464
1465                         /* The AQ call to stop the FW LLDP agent will generate
1466                          * an error if the agent is already stopped.
1467                          */
1468                         status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1469                         if (status)
1470                                 dev_warn(dev, "Fail to stop LLDP agent\n");
1471                         /* Use case for having the FW LLDP agent stopped
1472                          * will likely not need DCB, so failure to init is
1473                          * not a concern of ethtool
1474                          */
1475                         status = ice_init_pf_dcb(pf, true);
1476                         if (status)
1477                                 dev_warn(dev, "Fail to init DCB\n");
1478
1479                         pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1480                         pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1481                 } else {
1482                         bool dcbx_agent_status;
1483                         int status;
1484
1485                         if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1486                                 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1487                                 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1488                                 ret = -EOPNOTSUPP;
1489                                 goto ethtool_exit;
1490                         }
1491
1492                         /* Remove rule to direct LLDP packets to default VSI.
1493                          * The FW LLDP engine will now be consuming them.
1494                          */
1495                         ice_cfg_sw_lldp(vsi, false, false);
1496
1497                         /* AQ command to start FW LLDP agent will return an
1498                          * error if the agent is already started
1499                          */
1500                         status = ice_aq_start_lldp(&pf->hw, true, NULL);
1501                         if (status)
1502                                 dev_warn(dev, "Fail to start LLDP Agent\n");
1503
1504                         /* AQ command to start FW DCBX agent will fail if
1505                          * the agent is already started
1506                          */
1507                         status = ice_aq_start_stop_dcbx(&pf->hw, true,
1508                                                         &dcbx_agent_status,
1509                                                         NULL);
1510                         if (status)
1511                                 dev_dbg(dev, "Failed to start FW DCBX\n");
1512
1513                         dev_info(dev, "FW DCBX agent is %s\n",
1514                                  dcbx_agent_status ? "ACTIVE" : "DISABLED");
1515
1516                         /* Failure to configure MIB change or init DCB is not
1517                          * relevant to ethtool.  Print notification that
1518                          * registration/init failed but do not return error
1519                          * state to ethtool
1520                          */
1521                         status = ice_init_pf_dcb(pf, true);
1522                         if (status)
1523                                 dev_dbg(dev, "Fail to init DCB\n");
1524
1525                         /* Register for MIB change events */
1526                         status = ice_cfg_lldp_mib_change(&pf->hw, true);
1527                         if (status)
1528                                 dev_dbg(dev, "Fail to enable MIB change events\n");
1529
1530                         pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1531                         pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1532
1533                         ice_nway_reset(netdev);
1534                 }
1535         }
1536         if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1537                 /* down and up VSI so that changes of Rx cfg are reflected. */
1538                 ice_down_up(vsi);
1539         }
1540         /* don't allow modification of this flag when a single VF is in
1541          * promiscuous mode because it's not supported
1542          */
1543         if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1544             ice_is_any_vf_in_unicast_promisc(pf)) {
1545                 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1546                 /* toggle bit back to previous state */
1547                 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1548                 ret = -EAGAIN;
1549         }
1550
1551         if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1552             ice_has_vfs(pf)) {
1553                 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1554                 /* toggle bit back to previous state */
1555                 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1556                 ret = -EOPNOTSUPP;
1557         }
1558 ethtool_exit:
1559         clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1560         return ret;
1561 }
1562
1563 static int ice_get_sset_count(struct net_device *netdev, int sset)
1564 {
1565         switch (sset) {
1566         case ETH_SS_STATS:
1567                 /* The number (and order) of strings reported *must* remain
1568                  * constant for a given netdevice. This function must not
1569                  * report a different number based on run time parameters
1570                  * (such as the number of queues in use, or the setting of
1571                  * a private ethtool flag). This is due to the nature of the
1572                  * ethtool stats API.
1573                  *
1574                  * Userspace programs such as ethtool must make 3 separate
1575                  * ioctl requests, one for size, one for the strings, and
1576                  * finally one for the stats. Since these cross into
1577                  * userspace, changes to the number or size could result in
1578                  * undefined memory access or incorrect string<->value
1579                  * correlations for statistics.
1580                  *
1581                  * Even if it appears to be safe, changes to the size or
1582                  * order of strings will suffer from race conditions and are
1583                  * not safe.
1584                  */
1585                 return ICE_ALL_STATS_LEN(netdev);
1586         case ETH_SS_TEST:
1587                 return ICE_TEST_LEN;
1588         case ETH_SS_PRIV_FLAGS:
1589                 return ICE_PRIV_FLAG_ARRAY_SIZE;
1590         default:
1591                 return -EOPNOTSUPP;
1592         }
1593 }
1594
1595 static void
1596 __ice_get_ethtool_stats(struct net_device *netdev,
1597                         struct ethtool_stats __always_unused *stats, u64 *data,
1598                         struct ice_vsi *vsi)
1599 {
1600         struct ice_pf *pf = vsi->back;
1601         struct ice_tx_ring *tx_ring;
1602         struct ice_rx_ring *rx_ring;
1603         unsigned int j;
1604         int i = 0;
1605         char *p;
1606
1607         ice_update_pf_stats(pf);
1608         ice_update_vsi_stats(vsi);
1609
1610         for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1611                 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1612                 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1613                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1614         }
1615
1616         if (ice_is_port_repr_netdev(netdev))
1617                 return;
1618
1619         /* populate per queue stats */
1620         rcu_read_lock();
1621
1622         ice_for_each_alloc_txq(vsi, j) {
1623                 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1624                 if (tx_ring && tx_ring->ring_stats) {
1625                         data[i++] = tx_ring->ring_stats->stats.pkts;
1626                         data[i++] = tx_ring->ring_stats->stats.bytes;
1627                 } else {
1628                         data[i++] = 0;
1629                         data[i++] = 0;
1630                 }
1631         }
1632
1633         ice_for_each_alloc_rxq(vsi, j) {
1634                 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1635                 if (rx_ring && rx_ring->ring_stats) {
1636                         data[i++] = rx_ring->ring_stats->stats.pkts;
1637                         data[i++] = rx_ring->ring_stats->stats.bytes;
1638                 } else {
1639                         data[i++] = 0;
1640                         data[i++] = 0;
1641                 }
1642         }
1643
1644         rcu_read_unlock();
1645
1646         if (vsi->type != ICE_VSI_PF)
1647                 return;
1648
1649         for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1650                 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1651                 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1652                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1653         }
1654
1655         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1656                 data[i++] = pf->stats.priority_xon_tx[j];
1657                 data[i++] = pf->stats.priority_xoff_tx[j];
1658         }
1659
1660         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1661                 data[i++] = pf->stats.priority_xon_rx[j];
1662                 data[i++] = pf->stats.priority_xoff_rx[j];
1663         }
1664 }
1665
1666 static void
1667 ice_get_ethtool_stats(struct net_device *netdev,
1668                       struct ethtool_stats __always_unused *stats, u64 *data)
1669 {
1670         struct ice_netdev_priv *np = netdev_priv(netdev);
1671
1672         __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
1673 }
1674
1675 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G    (ICE_PHY_TYPE_LOW_100BASE_TX | \
1676                                          ICE_PHY_TYPE_LOW_100M_SGMII)
1677
1678 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G   (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1679                                          ICE_PHY_TYPE_LOW_1000BASE_T | \
1680                                          ICE_PHY_TYPE_LOW_1000BASE_SX | \
1681                                          ICE_PHY_TYPE_LOW_1000BASE_LX | \
1682                                          ICE_PHY_TYPE_LOW_1000BASE_KX | \
1683                                          ICE_PHY_TYPE_LOW_1G_SGMII | \
1684                                          ICE_PHY_TYPE_LOW_2500BASE_T | \
1685                                          ICE_PHY_TYPE_LOW_2500BASE_X | \
1686                                          ICE_PHY_TYPE_LOW_2500BASE_KX | \
1687                                          ICE_PHY_TYPE_LOW_5GBASE_T | \
1688                                          ICE_PHY_TYPE_LOW_5GBASE_KR | \
1689                                          ICE_PHY_TYPE_LOW_10GBASE_T | \
1690                                          ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1691                                          ICE_PHY_TYPE_LOW_10GBASE_SR | \
1692                                          ICE_PHY_TYPE_LOW_10GBASE_LR | \
1693                                          ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1694                                          ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1695                                          ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1696
1697 #define ICE_PHY_TYPE_LOW_MASK_100G      (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1698                                          ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1699                                          ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1700                                          ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1701                                          ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1702                                          ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1703                                          ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1704                                          ICE_PHY_TYPE_LOW_100G_AUI4 | \
1705                                          ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1706                                          ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1707                                          ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1708                                          ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1709                                          ICE_PHY_TYPE_LOW_100GBASE_DR)
1710
1711 #define ICE_PHY_TYPE_HIGH_MASK_100G     (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1712                                          ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1713                                          ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1714                                          ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1715                                          ICE_PHY_TYPE_HIGH_100G_AUI2)
1716
1717 #define ICE_PHY_TYPE_HIGH_MASK_200G     (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \
1718                                          ICE_PHY_TYPE_HIGH_200G_SR4 | \
1719                                          ICE_PHY_TYPE_HIGH_200G_FR4 | \
1720                                          ICE_PHY_TYPE_HIGH_200G_LR4 | \
1721                                          ICE_PHY_TYPE_HIGH_200G_DR4 | \
1722                                          ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \
1723                                          ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \
1724                                          ICE_PHY_TYPE_HIGH_200G_AUI4)
1725
1726 /**
1727  * ice_mask_min_supported_speeds
1728  * @hw: pointer to the HW structure
1729  * @phy_types_high: PHY type high
1730  * @phy_types_low: PHY type low to apply minimum supported speeds mask
1731  *
1732  * Apply minimum supported speeds mask to PHY type low. These are the speeds
1733  * for ethtool supported link mode.
1734  */
1735 static void
1736 ice_mask_min_supported_speeds(struct ice_hw *hw,
1737                               u64 phy_types_high, u64 *phy_types_low)
1738 {
1739         /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1740         if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||
1741             (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||
1742             (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))
1743                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1744         else if (!ice_is_100m_speed_supported(hw))
1745                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1746 }
1747
1748 /**
1749  * ice_linkmode_set_bit - set link mode bit
1750  * @phy_to_ethtool: PHY type to ethtool link mode struct to set
1751  * @ks: ethtool link ksettings struct to fill out
1752  * @req_speeds: speed requested by user
1753  * @advert_phy_type: advertised PHY type
1754  * @phy_type: PHY type
1755  */
1756 static void
1757 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
1758                      struct ethtool_link_ksettings *ks, u32 req_speeds,
1759                      u64 advert_phy_type, u32 phy_type)
1760 {
1761         linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);
1762
1763         if (req_speeds & phy_to_ethtool->aq_link_speed ||
1764             (!req_speeds && advert_phy_type & BIT(phy_type)))
1765                 linkmode_set_bit(phy_to_ethtool->link_mode,
1766                                  ks->link_modes.advertising);
1767 }
1768
1769 /**
1770  * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1771  * @netdev: network interface device structure
1772  * @ks: ethtool link ksettings struct to fill out
1773  */
1774 static void
1775 ice_phy_type_to_ethtool(struct net_device *netdev,
1776                         struct ethtool_link_ksettings *ks)
1777 {
1778         struct ice_netdev_priv *np = netdev_priv(netdev);
1779         struct ice_vsi *vsi = np->vsi;
1780         struct ice_pf *pf = vsi->back;
1781         u64 advert_phy_type_lo = 0;
1782         u64 advert_phy_type_hi = 0;
1783         u64 phy_types_high = 0;
1784         u64 phy_types_low = 0;
1785         u32 req_speeds;
1786         u32 i;
1787
1788         req_speeds = vsi->port_info->phy.link_info.req_speeds;
1789
1790         /* Check if lenient mode is supported and enabled, or in strict mode.
1791          *
1792          * In lenient mode the Supported link modes are the PHY types without
1793          * media. The Advertising link mode is either 1. the user requested
1794          * speed, 2. the override PHY mask, or 3. the PHY types with media.
1795          *
1796          * In strict mode Supported link mode are the PHY type with media,
1797          * and Advertising link modes are the media PHY type or the speed
1798          * requested by user.
1799          */
1800         if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1801                 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1802                 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1803
1804                 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
1805                                               &phy_types_low);
1806                 /* determine advertised modes based on link override only
1807                  * if it's supported and if the FW doesn't abstract the
1808                  * driver from having to account for link overrides
1809                  */
1810                 if (ice_fw_supports_link_override(&pf->hw) &&
1811                     !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1812                         struct ice_link_default_override_tlv *ldo;
1813
1814                         ldo = &pf->link_dflt_override;
1815                         /* If override enabled and PHY mask set, then
1816                          * Advertising link mode is the intersection of the PHY
1817                          * types without media and the override PHY mask.
1818                          */
1819                         if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1820                             (ldo->phy_type_low || ldo->phy_type_high)) {
1821                                 advert_phy_type_lo =
1822                                         le64_to_cpu(pf->nvm_phy_type_lo) &
1823                                         ldo->phy_type_low;
1824                                 advert_phy_type_hi =
1825                                         le64_to_cpu(pf->nvm_phy_type_hi) &
1826                                         ldo->phy_type_high;
1827                         }
1828                 }
1829         } else {
1830                 /* strict mode */
1831                 phy_types_low = vsi->port_info->phy.phy_type_low;
1832                 phy_types_high = vsi->port_info->phy.phy_type_high;
1833         }
1834
1835         /* If Advertising link mode PHY type is not using override PHY type,
1836          * then use PHY type with media.
1837          */
1838         if (!advert_phy_type_lo && !advert_phy_type_hi) {
1839                 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1840                 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1841         }
1842
1843         linkmode_zero(ks->link_modes.supported);
1844         linkmode_zero(ks->link_modes.advertising);
1845
1846         for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) {
1847                 if (phy_types_low & BIT_ULL(i))
1848                         ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,
1849                                              req_speeds, advert_phy_type_lo,
1850                                              i);
1851         }
1852
1853         for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) {
1854                 if (phy_types_high & BIT_ULL(i))
1855                         ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,
1856                                              req_speeds, advert_phy_type_hi,
1857                                              i);
1858         }
1859 }
1860
1861 #define TEST_SET_BITS_TIMEOUT   50
1862 #define TEST_SET_BITS_SLEEP_MAX 2000
1863 #define TEST_SET_BITS_SLEEP_MIN 1000
1864
1865 /**
1866  * ice_get_settings_link_up - Get Link settings for when link is up
1867  * @ks: ethtool ksettings to fill in
1868  * @netdev: network interface device structure
1869  */
1870 static void
1871 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1872                          struct net_device *netdev)
1873 {
1874         struct ice_netdev_priv *np = netdev_priv(netdev);
1875         struct ice_port_info *pi = np->vsi->port_info;
1876         struct ice_link_status *link_info;
1877         struct ice_vsi *vsi = np->vsi;
1878
1879         link_info = &vsi->port_info->phy.link_info;
1880
1881         /* Get supported and advertised settings from PHY ability with media */
1882         ice_phy_type_to_ethtool(netdev, ks);
1883
1884         switch (link_info->link_speed) {
1885         case ICE_AQ_LINK_SPEED_200GB:
1886                 ks->base.speed = SPEED_200000;
1887                 break;
1888         case ICE_AQ_LINK_SPEED_100GB:
1889                 ks->base.speed = SPEED_100000;
1890                 break;
1891         case ICE_AQ_LINK_SPEED_50GB:
1892                 ks->base.speed = SPEED_50000;
1893                 break;
1894         case ICE_AQ_LINK_SPEED_40GB:
1895                 ks->base.speed = SPEED_40000;
1896                 break;
1897         case ICE_AQ_LINK_SPEED_25GB:
1898                 ks->base.speed = SPEED_25000;
1899                 break;
1900         case ICE_AQ_LINK_SPEED_20GB:
1901                 ks->base.speed = SPEED_20000;
1902                 break;
1903         case ICE_AQ_LINK_SPEED_10GB:
1904                 ks->base.speed = SPEED_10000;
1905                 break;
1906         case ICE_AQ_LINK_SPEED_5GB:
1907                 ks->base.speed = SPEED_5000;
1908                 break;
1909         case ICE_AQ_LINK_SPEED_2500MB:
1910                 ks->base.speed = SPEED_2500;
1911                 break;
1912         case ICE_AQ_LINK_SPEED_1000MB:
1913                 ks->base.speed = SPEED_1000;
1914                 break;
1915         case ICE_AQ_LINK_SPEED_100MB:
1916                 ks->base.speed = SPEED_100;
1917                 break;
1918         default:
1919                 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1920                             link_info->link_speed);
1921                 break;
1922         }
1923         ks->base.duplex = DUPLEX_FULL;
1924
1925         if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1926                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1927                                                      Autoneg);
1928
1929         /* Set flow control negotiated Rx/Tx pause */
1930         switch (pi->fc.current_mode) {
1931         case ICE_FC_FULL:
1932                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1933                 break;
1934         case ICE_FC_TX_PAUSE:
1935                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1936                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1937                                                      Asym_Pause);
1938                 break;
1939         case ICE_FC_RX_PAUSE:
1940                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1941                                                      Asym_Pause);
1942                 break;
1943         case ICE_FC_PFC:
1944         default:
1945                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1946                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1947                                                      Asym_Pause);
1948                 break;
1949         }
1950 }
1951
1952 /**
1953  * ice_get_settings_link_down - Get the Link settings when link is down
1954  * @ks: ethtool ksettings to fill in
1955  * @netdev: network interface device structure
1956  *
1957  * Reports link settings that can be determined when link is down
1958  */
1959 static void
1960 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1961                            struct net_device *netdev)
1962 {
1963         /* link is down and the driver needs to fall back on
1964          * supported PHY types to figure out what info to display
1965          */
1966         ice_phy_type_to_ethtool(netdev, ks);
1967
1968         /* With no link, speed and duplex are unknown */
1969         ks->base.speed = SPEED_UNKNOWN;
1970         ks->base.duplex = DUPLEX_UNKNOWN;
1971 }
1972
1973 /**
1974  * ice_get_link_ksettings - Get Link Speed and Duplex settings
1975  * @netdev: network interface device structure
1976  * @ks: ethtool ksettings
1977  *
1978  * Reports speed/duplex settings based on media_type
1979  */
1980 static int
1981 ice_get_link_ksettings(struct net_device *netdev,
1982                        struct ethtool_link_ksettings *ks)
1983 {
1984         struct ice_netdev_priv *np = netdev_priv(netdev);
1985         struct ice_aqc_get_phy_caps_data *caps;
1986         struct ice_link_status *hw_link_info;
1987         struct ice_vsi *vsi = np->vsi;
1988         int err;
1989
1990         ethtool_link_ksettings_zero_link_mode(ks, supported);
1991         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1992         ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1993         hw_link_info = &vsi->port_info->phy.link_info;
1994
1995         /* set speed and duplex */
1996         if (hw_link_info->link_info & ICE_AQ_LINK_UP)
1997                 ice_get_settings_link_up(ks, netdev);
1998         else
1999                 ice_get_settings_link_down(ks, netdev);
2000
2001         /* set autoneg settings */
2002         ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2003                 AUTONEG_ENABLE : AUTONEG_DISABLE;
2004
2005         /* set media type settings */
2006         switch (vsi->port_info->phy.media_type) {
2007         case ICE_MEDIA_FIBER:
2008                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2009                 ks->base.port = PORT_FIBRE;
2010                 break;
2011         case ICE_MEDIA_BASET:
2012                 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2013                 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2014                 ks->base.port = PORT_TP;
2015                 break;
2016         case ICE_MEDIA_BACKPLANE:
2017                 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2018                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2019                                                      Backplane);
2020                 ks->base.port = PORT_NONE;
2021                 break;
2022         case ICE_MEDIA_DA:
2023                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2024                 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2025                 ks->base.port = PORT_DA;
2026                 break;
2027         default:
2028                 ks->base.port = PORT_OTHER;
2029                 break;
2030         }
2031
2032         /* flow control is symmetric and always supported */
2033         ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2034
2035         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2036         if (!caps)
2037                 return -ENOMEM;
2038
2039         err = ice_aq_get_phy_caps(vsi->port_info, false,
2040                                   ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2041         if (err)
2042                 goto done;
2043
2044         /* Set the advertised flow control based on the PHY capability */
2045         if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2046             (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2047                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2048                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2049                                                      Asym_Pause);
2050         } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2051                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2052                                                      Asym_Pause);
2053         } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2054                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2055                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2056                                                      Asym_Pause);
2057         } else {
2058                 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2059                 ethtool_link_ksettings_del_link_mode(ks, advertising,
2060                                                      Asym_Pause);
2061         }
2062
2063         /* Set advertised FEC modes based on PHY capability */
2064         ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2065
2066         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2067             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2068                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2069                                                      FEC_BASER);
2070         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2071             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2072                 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2073
2074         err = ice_aq_get_phy_caps(vsi->port_info, false,
2075                                   ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2076         if (err)
2077                 goto done;
2078
2079         /* Set supported FEC modes based on PHY capability */
2080         ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2081
2082         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2083             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2084                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2085         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2086                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2087
2088         /* Set supported and advertised autoneg */
2089         if (ice_is_phy_caps_an_enabled(caps)) {
2090                 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2091                 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2092         }
2093
2094 done:
2095         kfree(caps);
2096         return err;
2097 }
2098
2099 /**
2100  * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
2101  * @speed: ethtool forced speed
2102  */
2103 static u16 ice_speed_to_aq_link(int speed)
2104 {
2105         int aq_speed;
2106
2107         switch (speed) {
2108         case SPEED_10:
2109                 aq_speed = ICE_AQ_LINK_SPEED_10MB;
2110                 break;
2111         case SPEED_100:
2112                 aq_speed = ICE_AQ_LINK_SPEED_100MB;
2113                 break;
2114         case SPEED_1000:
2115                 aq_speed = ICE_AQ_LINK_SPEED_1000MB;
2116                 break;
2117         case SPEED_2500:
2118                 aq_speed = ICE_AQ_LINK_SPEED_2500MB;
2119                 break;
2120         case SPEED_5000:
2121                 aq_speed = ICE_AQ_LINK_SPEED_5GB;
2122                 break;
2123         case SPEED_10000:
2124                 aq_speed = ICE_AQ_LINK_SPEED_10GB;
2125                 break;
2126         case SPEED_20000:
2127                 aq_speed = ICE_AQ_LINK_SPEED_20GB;
2128                 break;
2129         case SPEED_25000:
2130                 aq_speed = ICE_AQ_LINK_SPEED_25GB;
2131                 break;
2132         case SPEED_40000:
2133                 aq_speed = ICE_AQ_LINK_SPEED_40GB;
2134                 break;
2135         case SPEED_50000:
2136                 aq_speed = ICE_AQ_LINK_SPEED_50GB;
2137                 break;
2138         case SPEED_100000:
2139                 aq_speed = ICE_AQ_LINK_SPEED_100GB;
2140                 break;
2141         default:
2142                 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
2143                 break;
2144         }
2145         return aq_speed;
2146 }
2147
2148 /**
2149  * ice_ksettings_find_adv_link_speed - Find advertising link speed
2150  * @ks: ethtool ksettings
2151  */
2152 static u16
2153 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2154 {
2155         const struct ethtool_forced_speed_map *map;
2156         u16 adv_link_speed = 0;
2157
2158         for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
2159                 map = ice_adv_lnk_speed_maps + i;
2160                 if (linkmode_intersects(ks->link_modes.advertising, map->caps))
2161                         adv_link_speed |= ice_speed_to_aq_link(map->speed);
2162         }
2163
2164         return adv_link_speed;
2165 }
2166
2167 /**
2168  * ice_setup_autoneg
2169  * @p: port info
2170  * @ks: ethtool_link_ksettings
2171  * @config: configuration that will be sent down to FW
2172  * @autoneg_enabled: autonegotiation is enabled or not
2173  * @autoneg_changed: will there a change in autonegotiation
2174  * @netdev: network interface device structure
2175  *
2176  * Setup PHY autonegotiation feature
2177  */
2178 static int
2179 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2180                   struct ice_aqc_set_phy_cfg_data *config,
2181                   u8 autoneg_enabled, u8 *autoneg_changed,
2182                   struct net_device *netdev)
2183 {
2184         int err = 0;
2185
2186         *autoneg_changed = 0;
2187
2188         /* Check autoneg */
2189         if (autoneg_enabled == AUTONEG_ENABLE) {
2190                 /* If autoneg was not already enabled */
2191                 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2192                         /* If autoneg is not supported, return error */
2193                         if (!ethtool_link_ksettings_test_link_mode(ks,
2194                                                                    supported,
2195                                                                    Autoneg)) {
2196                                 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2197                                 err = -EINVAL;
2198                         } else {
2199                                 /* Autoneg is allowed to change */
2200                                 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2201                                 *autoneg_changed = 1;
2202                         }
2203                 }
2204         } else {
2205                 /* If autoneg is currently enabled */
2206                 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2207                         /* If autoneg is supported 10GBASE_T is the only PHY
2208                          * that can disable it, so otherwise return error
2209                          */
2210                         if (ethtool_link_ksettings_test_link_mode(ks,
2211                                                                   supported,
2212                                                                   Autoneg)) {
2213                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2214                                 err = -EINVAL;
2215                         } else {
2216                                 /* Autoneg is allowed to change */
2217                                 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2218                                 *autoneg_changed = 1;
2219                         }
2220                 }
2221         }
2222
2223         return err;
2224 }
2225
2226 /**
2227  * ice_set_phy_type_from_speed - set phy_types based on speeds
2228  * and advertised modes
2229  * @ks: ethtool link ksettings struct
2230  * @phy_type_low: pointer to the lower part of phy_type
2231  * @phy_type_high: pointer to the higher part of phy_type
2232  * @adv_link_speed: targeted link speeds bitmap
2233  */
2234 static void
2235 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2236                             u64 *phy_type_low, u64 *phy_type_high,
2237                             u16 adv_link_speed)
2238 {
2239         /* Handle 1000M speed in a special way because ice_update_phy_type
2240          * enables all link modes, but having mixed copper and optical
2241          * standards is not supported.
2242          */
2243         adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2244
2245         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2246                                                   1000baseT_Full))
2247                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2248                                  ICE_PHY_TYPE_LOW_1G_SGMII;
2249
2250         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2251                                                   1000baseKX_Full))
2252                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2253
2254         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2255                                                   1000baseX_Full))
2256                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2257                                  ICE_PHY_TYPE_LOW_1000BASE_LX;
2258
2259         ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2260 }
2261
2262 /**
2263  * ice_set_link_ksettings - Set Speed and Duplex
2264  * @netdev: network interface device structure
2265  * @ks: ethtool ksettings
2266  *
2267  * Set speed/duplex per media_types advertised/forced
2268  */
2269 static int
2270 ice_set_link_ksettings(struct net_device *netdev,
2271                        const struct ethtool_link_ksettings *ks)
2272 {
2273         struct ice_netdev_priv *np = netdev_priv(netdev);
2274         u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2275         struct ethtool_link_ksettings copy_ks = *ks;
2276         struct ethtool_link_ksettings safe_ks = {};
2277         struct ice_aqc_get_phy_caps_data *phy_caps;
2278         struct ice_aqc_set_phy_cfg_data config;
2279         u16 adv_link_speed, curr_link_speed;
2280         struct ice_pf *pf = np->vsi->back;
2281         struct ice_port_info *pi;
2282         u8 autoneg_changed = 0;
2283         u64 phy_type_high = 0;
2284         u64 phy_type_low = 0;
2285         bool linkup;
2286         int err;
2287
2288         pi = np->vsi->port_info;
2289
2290         if (!pi)
2291                 return -EIO;
2292
2293         if (pi->phy.media_type != ICE_MEDIA_BASET &&
2294             pi->phy.media_type != ICE_MEDIA_FIBER &&
2295             pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2296             pi->phy.media_type != ICE_MEDIA_DA &&
2297             pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2298                 return -EOPNOTSUPP;
2299
2300         phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2301         if (!phy_caps)
2302                 return -ENOMEM;
2303
2304         /* Get the PHY capabilities based on media */
2305         if (ice_fw_supports_report_dflt_cfg(pi->hw))
2306                 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2307                                           phy_caps, NULL);
2308         else
2309                 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2310                                           phy_caps, NULL);
2311         if (err)
2312                 goto done;
2313
2314         /* save autoneg out of ksettings */
2315         autoneg = copy_ks.base.autoneg;
2316
2317         /* Get link modes supported by hardware.*/
2318         ice_phy_type_to_ethtool(netdev, &safe_ks);
2319
2320         /* and check against modes requested by user.
2321          * Return an error if unsupported mode was set.
2322          */
2323         if (!bitmap_subset(copy_ks.link_modes.advertising,
2324                            safe_ks.link_modes.supported,
2325                            __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2326                 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2327                         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");
2328                 err = -EOPNOTSUPP;
2329                 goto done;
2330         }
2331
2332         /* get our own copy of the bits to check against */
2333         memset(&safe_ks, 0, sizeof(safe_ks));
2334         safe_ks.base.cmd = copy_ks.base.cmd;
2335         safe_ks.base.link_mode_masks_nwords =
2336                 copy_ks.base.link_mode_masks_nwords;
2337         ice_get_link_ksettings(netdev, &safe_ks);
2338
2339         /* set autoneg back to what it currently is */
2340         copy_ks.base.autoneg = safe_ks.base.autoneg;
2341         /* we don't compare the speed */
2342         copy_ks.base.speed = safe_ks.base.speed;
2343
2344         /* If copy_ks.base and safe_ks.base are not the same now, then they are
2345          * trying to set something that we do not support.
2346          */
2347         if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2348                 err = -EOPNOTSUPP;
2349                 goto done;
2350         }
2351
2352         while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2353                 timeout--;
2354                 if (!timeout) {
2355                         err = -EBUSY;
2356                         goto done;
2357                 }
2358                 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2359         }
2360
2361         /* Copy the current user PHY configuration. The current user PHY
2362          * configuration is initialized during probe from PHY capabilities
2363          * software mode, and updated on set PHY configuration.
2364          */
2365         config = pi->phy.curr_user_phy_cfg;
2366
2367         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2368
2369         /* Check autoneg */
2370         err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2371                                 netdev);
2372
2373         if (err)
2374                 goto done;
2375
2376         /* Call to get the current link speed */
2377         pi->phy.get_link_info = true;
2378         err = ice_get_link_status(pi, &linkup);
2379         if (err)
2380                 goto done;
2381
2382         curr_link_speed = pi->phy.curr_user_speed_req;
2383         adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2384
2385         /* If speed didn't get set, set it to what it currently is.
2386          * This is needed because if advertise is 0 (as it is when autoneg
2387          * is disabled) then speed won't get set.
2388          */
2389         if (!adv_link_speed)
2390                 adv_link_speed = curr_link_speed;
2391
2392         /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2393         ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2394                                     adv_link_speed);
2395
2396         if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2397                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2398                 goto done;
2399         }
2400
2401         /* save the requested speeds */
2402         pi->phy.link_info.req_speeds = adv_link_speed;
2403
2404         /* set link and auto negotiation so changes take effect */
2405         config.caps |= ICE_AQ_PHY_ENA_LINK;
2406
2407         /* check if there is a PHY type for the requested advertised speed */
2408         if (!(phy_type_low || phy_type_high)) {
2409                 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");
2410                 err = -EOPNOTSUPP;
2411                 goto done;
2412         }
2413
2414         /* intersect requested advertised speed PHY types with media PHY types
2415          * for set PHY configuration
2416          */
2417         config.phy_type_high = cpu_to_le64(phy_type_high) &
2418                         phy_caps->phy_type_high;
2419         config.phy_type_low = cpu_to_le64(phy_type_low) &
2420                         phy_caps->phy_type_low;
2421
2422         if (!(config.phy_type_high || config.phy_type_low)) {
2423                 /* If there is no intersection and lenient mode is enabled, then
2424                  * intersect the requested advertised speed with NVM media type
2425                  * PHY types.
2426                  */
2427                 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2428                         config.phy_type_high = cpu_to_le64(phy_type_high) &
2429                                                pf->nvm_phy_type_hi;
2430                         config.phy_type_low = cpu_to_le64(phy_type_low) &
2431                                               pf->nvm_phy_type_lo;
2432                 } else {
2433                         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");
2434                         err = -EOPNOTSUPP;
2435                         goto done;
2436                 }
2437         }
2438
2439         /* If link is up put link down */
2440         if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2441                 /* Tell the OS link is going down, the link will go
2442                  * back up when fw says it is ready asynchronously
2443                  */
2444                 ice_print_link_msg(np->vsi, false);
2445                 netif_carrier_off(netdev);
2446                 netif_tx_stop_all_queues(netdev);
2447         }
2448
2449         /* make the aq call */
2450         err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2451         if (err) {
2452                 netdev_info(netdev, "Set phy config failed,\n");
2453                 goto done;
2454         }
2455
2456         /* Save speed request */
2457         pi->phy.curr_user_speed_req = adv_link_speed;
2458 done:
2459         kfree(phy_caps);
2460         clear_bit(ICE_CFG_BUSY, pf->state);
2461
2462         return err;
2463 }
2464
2465 /**
2466  * ice_parse_hdrs - parses headers from RSS hash input
2467  * @nfc: ethtool rxnfc command
2468  *
2469  * This function parses the rxnfc command and returns intended
2470  * header types for RSS configuration
2471  */
2472 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2473 {
2474         u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2475
2476         switch (nfc->flow_type) {
2477         case TCP_V4_FLOW:
2478                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2479                 break;
2480         case UDP_V4_FLOW:
2481                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2482                 break;
2483         case SCTP_V4_FLOW:
2484                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2485                 break;
2486         case GTPU_V4_FLOW:
2487                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4;
2488                 break;
2489         case GTPC_V4_FLOW:
2490                 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4;
2491                 break;
2492         case GTPC_TEID_V4_FLOW:
2493                 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4;
2494                 break;
2495         case GTPU_EH_V4_FLOW:
2496                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4;
2497                 break;
2498         case GTPU_UL_V4_FLOW:
2499                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4;
2500                 break;
2501         case GTPU_DL_V4_FLOW:
2502                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4;
2503                 break;
2504         case TCP_V6_FLOW:
2505                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2506                 break;
2507         case UDP_V6_FLOW:
2508                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2509                 break;
2510         case SCTP_V6_FLOW:
2511                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2512                 break;
2513         case GTPU_V6_FLOW:
2514                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6;
2515                 break;
2516         case GTPC_V6_FLOW:
2517                 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6;
2518                 break;
2519         case GTPC_TEID_V6_FLOW:
2520                 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6;
2521                 break;
2522         case GTPU_EH_V6_FLOW:
2523                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6;
2524                 break;
2525         case GTPU_UL_V6_FLOW:
2526                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6;
2527                 break;
2528         case GTPU_DL_V6_FLOW:
2529                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6;
2530                 break;
2531         default:
2532                 break;
2533         }
2534         return hdrs;
2535 }
2536
2537 /**
2538  * ice_parse_hash_flds - parses hash fields from RSS hash input
2539  * @nfc: ethtool rxnfc command
2540  * @symm: true if Symmetric Topelitz is set
2541  *
2542  * This function parses the rxnfc command and returns intended
2543  * hash fields for RSS configuration
2544  */
2545 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm)
2546 {
2547         u64 hfld = ICE_HASH_INVALID;
2548
2549         if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2550                 switch (nfc->flow_type) {
2551                 case TCP_V4_FLOW:
2552                 case UDP_V4_FLOW:
2553                 case SCTP_V4_FLOW:
2554                 case GTPU_V4_FLOW:
2555                 case GTPC_V4_FLOW:
2556                 case GTPC_TEID_V4_FLOW:
2557                 case GTPU_EH_V4_FLOW:
2558                 case GTPU_UL_V4_FLOW:
2559                 case GTPU_DL_V4_FLOW:
2560                         if (nfc->data & RXH_IP_SRC)
2561                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2562                         if (nfc->data & RXH_IP_DST)
2563                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2564                         break;
2565                 case TCP_V6_FLOW:
2566                 case UDP_V6_FLOW:
2567                 case SCTP_V6_FLOW:
2568                 case GTPU_V6_FLOW:
2569                 case GTPC_V6_FLOW:
2570                 case GTPC_TEID_V6_FLOW:
2571                 case GTPU_EH_V6_FLOW:
2572                 case GTPU_UL_V6_FLOW:
2573                 case GTPU_DL_V6_FLOW:
2574                         if (nfc->data & RXH_IP_SRC)
2575                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2576                         if (nfc->data & RXH_IP_DST)
2577                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2578                         break;
2579                 default:
2580                         break;
2581                 }
2582         }
2583
2584         if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2585                 switch (nfc->flow_type) {
2586                 case TCP_V4_FLOW:
2587                 case TCP_V6_FLOW:
2588                         if (nfc->data & RXH_L4_B_0_1)
2589                                 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2590                         if (nfc->data & RXH_L4_B_2_3)
2591                                 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2592                         break;
2593                 case UDP_V4_FLOW:
2594                 case UDP_V6_FLOW:
2595                         if (nfc->data & RXH_L4_B_0_1)
2596                                 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2597                         if (nfc->data & RXH_L4_B_2_3)
2598                                 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2599                         break;
2600                 case SCTP_V4_FLOW:
2601                 case SCTP_V6_FLOW:
2602                         if (nfc->data & RXH_L4_B_0_1)
2603                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2604                         if (nfc->data & RXH_L4_B_2_3)
2605                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2606                         break;
2607                 default:
2608                         break;
2609                 }
2610         }
2611
2612         if (nfc->data & RXH_GTP_TEID) {
2613                 switch (nfc->flow_type) {
2614                 case GTPC_TEID_V4_FLOW:
2615                 case GTPC_TEID_V6_FLOW:
2616                         hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID;
2617                         break;
2618                 case GTPU_V4_FLOW:
2619                 case GTPU_V6_FLOW:
2620                         hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID;
2621                         break;
2622                 case GTPU_EH_V4_FLOW:
2623                 case GTPU_EH_V6_FLOW:
2624                         hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID;
2625                         break;
2626                 case GTPU_UL_V4_FLOW:
2627                 case GTPU_UL_V6_FLOW:
2628                         hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID;
2629                         break;
2630                 case GTPU_DL_V4_FLOW:
2631                 case GTPU_DL_V6_FLOW:
2632                         hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID;
2633                         break;
2634                 default:
2635                         break;
2636                 }
2637         }
2638
2639         return hfld;
2640 }
2641
2642 /**
2643  * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2644  * @vsi: the VSI being configured
2645  * @nfc: ethtool rxnfc command
2646  *
2647  * Returns Success if the flow input set is supported.
2648  */
2649 static int
2650 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2651 {
2652         struct ice_pf *pf = vsi->back;
2653         struct ice_rss_hash_cfg cfg;
2654         struct device *dev;
2655         u64 hashed_flds;
2656         int status;
2657         bool symm;
2658         u32 hdrs;
2659
2660         dev = ice_pf_to_dev(pf);
2661         if (ice_is_safe_mode(pf)) {
2662                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2663                         vsi->vsi_num);
2664                 return -EINVAL;
2665         }
2666
2667         symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ);
2668         hashed_flds = ice_parse_hash_flds(nfc, symm);
2669         if (hashed_flds == ICE_HASH_INVALID) {
2670                 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2671                         vsi->vsi_num);
2672                 return -EINVAL;
2673         }
2674
2675         hdrs = ice_parse_hdrs(nfc);
2676         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2677                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2678                         vsi->vsi_num);
2679                 return -EINVAL;
2680         }
2681
2682         cfg.hash_flds = hashed_flds;
2683         cfg.addl_hdrs = hdrs;
2684         cfg.hdr_type = ICE_RSS_ANY_HEADERS;
2685         cfg.symm = symm;
2686
2687         status = ice_add_rss_cfg(&pf->hw, vsi, &cfg);
2688         if (status) {
2689                 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2690                         vsi->vsi_num, status);
2691                 return status;
2692         }
2693
2694         return 0;
2695 }
2696
2697 /**
2698  * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2699  * @vsi: the VSI being configured
2700  * @nfc: ethtool rxnfc command
2701  */
2702 static void
2703 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2704 {
2705         struct ice_pf *pf = vsi->back;
2706         struct device *dev;
2707         u64 hash_flds;
2708         bool symm;
2709         u32 hdrs;
2710
2711         dev = ice_pf_to_dev(pf);
2712
2713         nfc->data = 0;
2714         if (ice_is_safe_mode(pf)) {
2715                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2716                         vsi->vsi_num);
2717                 return;
2718         }
2719
2720         hdrs = ice_parse_hdrs(nfc);
2721         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2722                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2723                         vsi->vsi_num);
2724                 return;
2725         }
2726
2727         hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm);
2728         if (hash_flds == ICE_HASH_INVALID) {
2729                 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2730                         vsi->vsi_num);
2731                 return;
2732         }
2733
2734         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2735             hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2736                 nfc->data |= (u64)RXH_IP_SRC;
2737
2738         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2739             hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2740                 nfc->data |= (u64)RXH_IP_DST;
2741
2742         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2743             hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2744             hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2745                 nfc->data |= (u64)RXH_L4_B_0_1;
2746
2747         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2748             hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2749             hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2750                 nfc->data |= (u64)RXH_L4_B_2_3;
2751
2752         if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID ||
2753             hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID ||
2754             hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID ||
2755             hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID ||
2756             hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID)
2757                 nfc->data |= (u64)RXH_GTP_TEID;
2758 }
2759
2760 /**
2761  * ice_set_rxnfc - command to set Rx flow rules.
2762  * @netdev: network interface device structure
2763  * @cmd: ethtool rxnfc command
2764  *
2765  * Returns 0 for success and negative values for errors
2766  */
2767 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2768 {
2769         struct ice_netdev_priv *np = netdev_priv(netdev);
2770         struct ice_vsi *vsi = np->vsi;
2771
2772         switch (cmd->cmd) {
2773         case ETHTOOL_SRXCLSRLINS:
2774                 return ice_add_fdir_ethtool(vsi, cmd);
2775         case ETHTOOL_SRXCLSRLDEL:
2776                 return ice_del_fdir_ethtool(vsi, cmd);
2777         case ETHTOOL_SRXFH:
2778                 return ice_set_rss_hash_opt(vsi, cmd);
2779         default:
2780                 break;
2781         }
2782         return -EOPNOTSUPP;
2783 }
2784
2785 /**
2786  * ice_get_rxnfc - command to get Rx flow classification rules
2787  * @netdev: network interface device structure
2788  * @cmd: ethtool rxnfc command
2789  * @rule_locs: buffer to rturn Rx flow classification rules
2790  *
2791  * Returns Success if the command is supported.
2792  */
2793 static int
2794 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2795               u32 __always_unused *rule_locs)
2796 {
2797         struct ice_netdev_priv *np = netdev_priv(netdev);
2798         struct ice_vsi *vsi = np->vsi;
2799         int ret = -EOPNOTSUPP;
2800         struct ice_hw *hw;
2801
2802         hw = &vsi->back->hw;
2803
2804         switch (cmd->cmd) {
2805         case ETHTOOL_GRXRINGS:
2806                 cmd->data = vsi->rss_size;
2807                 ret = 0;
2808                 break;
2809         case ETHTOOL_GRXCLSRLCNT:
2810                 cmd->rule_cnt = hw->fdir_active_fltr;
2811                 /* report total rule count */
2812                 cmd->data = ice_get_fdir_cnt_all(hw);
2813                 ret = 0;
2814                 break;
2815         case ETHTOOL_GRXCLSRULE:
2816                 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2817                 break;
2818         case ETHTOOL_GRXCLSRLALL:
2819                 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2820                 break;
2821         case ETHTOOL_GRXFH:
2822                 ice_get_rss_hash_opt(vsi, cmd);
2823                 ret = 0;
2824                 break;
2825         default:
2826                 break;
2827         }
2828
2829         return ret;
2830 }
2831
2832 static void
2833 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2834                   struct kernel_ethtool_ringparam *kernel_ring,
2835                   struct netlink_ext_ack *extack)
2836 {
2837         struct ice_netdev_priv *np = netdev_priv(netdev);
2838         struct ice_vsi *vsi = np->vsi;
2839
2840         ring->rx_max_pending = ICE_MAX_NUM_DESC;
2841         ring->tx_max_pending = ICE_MAX_NUM_DESC;
2842         if (vsi->tx_rings && vsi->rx_rings) {
2843                 ring->rx_pending = vsi->rx_rings[0]->count;
2844                 ring->tx_pending = vsi->tx_rings[0]->count;
2845         } else {
2846                 ring->rx_pending = 0;
2847                 ring->tx_pending = 0;
2848         }
2849
2850         /* Rx mini and jumbo rings are not supported */
2851         ring->rx_mini_max_pending = 0;
2852         ring->rx_jumbo_max_pending = 0;
2853         ring->rx_mini_pending = 0;
2854         ring->rx_jumbo_pending = 0;
2855 }
2856
2857 static int
2858 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2859                   struct kernel_ethtool_ringparam *kernel_ring,
2860                   struct netlink_ext_ack *extack)
2861 {
2862         struct ice_netdev_priv *np = netdev_priv(netdev);
2863         struct ice_tx_ring *xdp_rings = NULL;
2864         struct ice_tx_ring *tx_rings = NULL;
2865         struct ice_rx_ring *rx_rings = NULL;
2866         struct ice_vsi *vsi = np->vsi;
2867         struct ice_pf *pf = vsi->back;
2868         int i, timeout = 50, err = 0;
2869         u16 new_rx_cnt, new_tx_cnt;
2870
2871         if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2872             ring->tx_pending < ICE_MIN_NUM_DESC ||
2873             ring->rx_pending > ICE_MAX_NUM_DESC ||
2874             ring->rx_pending < ICE_MIN_NUM_DESC) {
2875                 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2876                            ring->tx_pending, ring->rx_pending,
2877                            ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2878                            ICE_REQ_DESC_MULTIPLE);
2879                 return -EINVAL;
2880         }
2881
2882         /* Return if there is no rings (device is reloading) */
2883         if (!vsi->tx_rings || !vsi->rx_rings)
2884                 return -EBUSY;
2885
2886         new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2887         if (new_tx_cnt != ring->tx_pending)
2888                 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2889                             new_tx_cnt);
2890         new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2891         if (new_rx_cnt != ring->rx_pending)
2892                 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2893                             new_rx_cnt);
2894
2895         /* if nothing to do return success */
2896         if (new_tx_cnt == vsi->tx_rings[0]->count &&
2897             new_rx_cnt == vsi->rx_rings[0]->count) {
2898                 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2899                 return 0;
2900         }
2901
2902         /* If there is a AF_XDP UMEM attached to any of Rx rings,
2903          * disallow changing the number of descriptors -- regardless
2904          * if the netdev is running or not.
2905          */
2906         if (ice_xsk_any_rx_ring_ena(vsi))
2907                 return -EBUSY;
2908
2909         while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2910                 timeout--;
2911                 if (!timeout)
2912                         return -EBUSY;
2913                 usleep_range(1000, 2000);
2914         }
2915
2916         /* set for the next time the netdev is started */
2917         if (!netif_running(vsi->netdev)) {
2918                 ice_for_each_alloc_txq(vsi, i)
2919                         vsi->tx_rings[i]->count = new_tx_cnt;
2920                 ice_for_each_alloc_rxq(vsi, i)
2921                         vsi->rx_rings[i]->count = new_rx_cnt;
2922                 if (ice_is_xdp_ena_vsi(vsi))
2923                         ice_for_each_xdp_txq(vsi, i)
2924                                 vsi->xdp_rings[i]->count = new_tx_cnt;
2925                 vsi->num_tx_desc = (u16)new_tx_cnt;
2926                 vsi->num_rx_desc = (u16)new_rx_cnt;
2927                 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2928                 goto done;
2929         }
2930
2931         if (new_tx_cnt == vsi->tx_rings[0]->count)
2932                 goto process_rx;
2933
2934         /* alloc updated Tx resources */
2935         netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2936                     vsi->tx_rings[0]->count, new_tx_cnt);
2937
2938         tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2939         if (!tx_rings) {
2940                 err = -ENOMEM;
2941                 goto done;
2942         }
2943
2944         ice_for_each_txq(vsi, i) {
2945                 /* clone ring and setup updated count */
2946                 tx_rings[i] = *vsi->tx_rings[i];
2947                 tx_rings[i].count = new_tx_cnt;
2948                 tx_rings[i].desc = NULL;
2949                 tx_rings[i].tx_buf = NULL;
2950                 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
2951                 err = ice_setup_tx_ring(&tx_rings[i]);
2952                 if (err) {
2953                         while (i--)
2954                                 ice_clean_tx_ring(&tx_rings[i]);
2955                         kfree(tx_rings);
2956                         goto done;
2957                 }
2958         }
2959
2960         if (!ice_is_xdp_ena_vsi(vsi))
2961                 goto process_rx;
2962
2963         /* alloc updated XDP resources */
2964         netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2965                     vsi->xdp_rings[0]->count, new_tx_cnt);
2966
2967         xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2968         if (!xdp_rings) {
2969                 err = -ENOMEM;
2970                 goto free_tx;
2971         }
2972
2973         ice_for_each_xdp_txq(vsi, i) {
2974                 /* clone ring and setup updated count */
2975                 xdp_rings[i] = *vsi->xdp_rings[i];
2976                 xdp_rings[i].count = new_tx_cnt;
2977                 xdp_rings[i].desc = NULL;
2978                 xdp_rings[i].tx_buf = NULL;
2979                 err = ice_setup_tx_ring(&xdp_rings[i]);
2980                 if (err) {
2981                         while (i--)
2982                                 ice_clean_tx_ring(&xdp_rings[i]);
2983                         kfree(xdp_rings);
2984                         goto free_tx;
2985                 }
2986                 ice_set_ring_xdp(&xdp_rings[i]);
2987         }
2988
2989 process_rx:
2990         if (new_rx_cnt == vsi->rx_rings[0]->count)
2991                 goto process_link;
2992
2993         /* alloc updated Rx resources */
2994         netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2995                     vsi->rx_rings[0]->count, new_rx_cnt);
2996
2997         rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2998         if (!rx_rings) {
2999                 err = -ENOMEM;
3000                 goto done;
3001         }
3002
3003         ice_for_each_rxq(vsi, i) {
3004                 /* clone ring and setup updated count */
3005                 rx_rings[i] = *vsi->rx_rings[i];
3006                 rx_rings[i].count = new_rx_cnt;
3007                 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
3008                 rx_rings[i].desc = NULL;
3009                 rx_rings[i].rx_buf = NULL;
3010                 /* this is to allow wr32 to have something to write to
3011                  * during early allocation of Rx buffers
3012                  */
3013                 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
3014
3015                 err = ice_setup_rx_ring(&rx_rings[i]);
3016                 if (err)
3017                         goto rx_unwind;
3018
3019                 /* allocate Rx buffers */
3020                 err = ice_alloc_rx_bufs(&rx_rings[i],
3021                                         ICE_RX_DESC_UNUSED(&rx_rings[i]));
3022 rx_unwind:
3023                 if (err) {
3024                         while (i) {
3025                                 i--;
3026                                 ice_free_rx_ring(&rx_rings[i]);
3027                         }
3028                         kfree(rx_rings);
3029                         err = -ENOMEM;
3030                         goto free_tx;
3031                 }
3032         }
3033
3034 process_link:
3035         /* Bring interface down, copy in the new ring info, then restore the
3036          * interface. if VSI is up, bring it down and then back up
3037          */
3038         if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
3039                 ice_down(vsi);
3040
3041                 if (tx_rings) {
3042                         ice_for_each_txq(vsi, i) {
3043                                 ice_free_tx_ring(vsi->tx_rings[i]);
3044                                 *vsi->tx_rings[i] = tx_rings[i];
3045                         }
3046                         kfree(tx_rings);
3047                 }
3048
3049                 if (rx_rings) {
3050                         ice_for_each_rxq(vsi, i) {
3051                                 ice_free_rx_ring(vsi->rx_rings[i]);
3052                                 /* copy the real tail offset */
3053                                 rx_rings[i].tail = vsi->rx_rings[i]->tail;
3054                                 /* this is to fake out the allocation routine
3055                                  * into thinking it has to realloc everything
3056                                  * but the recycling logic will let us re-use
3057                                  * the buffers allocated above
3058                                  */
3059                                 rx_rings[i].next_to_use = 0;
3060                                 rx_rings[i].next_to_clean = 0;
3061                                 rx_rings[i].next_to_alloc = 0;
3062                                 *vsi->rx_rings[i] = rx_rings[i];
3063                         }
3064                         kfree(rx_rings);
3065                 }
3066
3067                 if (xdp_rings) {
3068                         ice_for_each_xdp_txq(vsi, i) {
3069                                 ice_free_tx_ring(vsi->xdp_rings[i]);
3070                                 *vsi->xdp_rings[i] = xdp_rings[i];
3071                         }
3072                         kfree(xdp_rings);
3073                 }
3074
3075                 vsi->num_tx_desc = new_tx_cnt;
3076                 vsi->num_rx_desc = new_rx_cnt;
3077                 ice_up(vsi);
3078         }
3079         goto done;
3080
3081 free_tx:
3082         /* error cleanup if the Rx allocations failed after getting Tx */
3083         if (tx_rings) {
3084                 ice_for_each_txq(vsi, i)
3085                         ice_free_tx_ring(&tx_rings[i]);
3086                 kfree(tx_rings);
3087         }
3088
3089 done:
3090         clear_bit(ICE_CFG_BUSY, pf->state);
3091         return err;
3092 }
3093
3094 /**
3095  * ice_get_pauseparam - Get Flow Control status
3096  * @netdev: network interface device structure
3097  * @pause: ethernet pause (flow control) parameters
3098  *
3099  * Get requested flow control status from PHY capability.
3100  * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3101  * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3102  * the negotiated Rx/Tx pause via lp_advertising.
3103  */
3104 static void
3105 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3106 {
3107         struct ice_netdev_priv *np = netdev_priv(netdev);
3108         struct ice_port_info *pi = np->vsi->port_info;
3109         struct ice_aqc_get_phy_caps_data *pcaps;
3110         struct ice_dcbx_cfg *dcbx_cfg;
3111         int status;
3112
3113         /* Initialize pause params */
3114         pause->rx_pause = 0;
3115         pause->tx_pause = 0;
3116
3117         dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3118
3119         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3120         if (!pcaps)
3121                 return;
3122
3123         /* Get current PHY config */
3124         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3125                                      NULL);
3126         if (status)
3127                 goto out;
3128
3129         pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3130                                                              AUTONEG_DISABLE;
3131
3132         if (dcbx_cfg->pfc.pfcena)
3133                 /* PFC enabled so report LFC as off */
3134                 goto out;
3135
3136         if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3137                 pause->tx_pause = 1;
3138         if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3139                 pause->rx_pause = 1;
3140
3141 out:
3142         kfree(pcaps);
3143 }
3144
3145 /**
3146  * ice_set_pauseparam - Set Flow Control parameter
3147  * @netdev: network interface device structure
3148  * @pause: return Tx/Rx flow control status
3149  */
3150 static int
3151 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3152 {
3153         struct ice_netdev_priv *np = netdev_priv(netdev);
3154         struct ice_aqc_get_phy_caps_data *pcaps;
3155         struct ice_link_status *hw_link_info;
3156         struct ice_pf *pf = np->vsi->back;
3157         struct ice_dcbx_cfg *dcbx_cfg;
3158         struct ice_vsi *vsi = np->vsi;
3159         struct ice_hw *hw = &pf->hw;
3160         struct ice_port_info *pi;
3161         u8 aq_failures;
3162         bool link_up;
3163         u32 is_an;
3164         int err;
3165
3166         pi = vsi->port_info;
3167         hw_link_info = &pi->phy.link_info;
3168         dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3169         link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3170
3171         /* Changing the port's flow control is not supported if this isn't the
3172          * PF VSI
3173          */
3174         if (vsi->type != ICE_VSI_PF) {
3175                 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3176                 return -EOPNOTSUPP;
3177         }
3178
3179         /* Get pause param reports configured and negotiated flow control pause
3180          * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3181          * defined get pause param pause->autoneg reports SW configured setting,
3182          * so compare pause->autoneg with SW configured to prevent the user from
3183          * using set pause param to chance autoneg.
3184          */
3185         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3186         if (!pcaps)
3187                 return -ENOMEM;
3188
3189         /* Get current PHY config */
3190         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3191                                   NULL);
3192         if (err) {
3193                 kfree(pcaps);
3194                 return err;
3195         }
3196
3197         is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3198                                                     AUTONEG_DISABLE;
3199
3200         kfree(pcaps);
3201
3202         if (pause->autoneg != is_an) {
3203                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3204                 return -EOPNOTSUPP;
3205         }
3206
3207         /* If we have link and don't have autoneg */
3208         if (!test_bit(ICE_DOWN, pf->state) &&
3209             !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3210                 /* Send message that it might not necessarily work*/
3211                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3212         }
3213
3214         if (dcbx_cfg->pfc.pfcena) {
3215                 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3216                 return -EOPNOTSUPP;
3217         }
3218         if (pause->rx_pause && pause->tx_pause)
3219                 pi->fc.req_mode = ICE_FC_FULL;
3220         else if (pause->rx_pause && !pause->tx_pause)
3221                 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3222         else if (!pause->rx_pause && pause->tx_pause)
3223                 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3224         else if (!pause->rx_pause && !pause->tx_pause)
3225                 pi->fc.req_mode = ICE_FC_NONE;
3226         else
3227                 return -EINVAL;
3228
3229         /* Set the FC mode and only restart AN if link is up */
3230         err = ice_set_fc(pi, &aq_failures, link_up);
3231
3232         if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3233                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3234                             err, ice_aq_str(hw->adminq.sq_last_status));
3235                 err = -EAGAIN;
3236         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3237                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3238                             err, ice_aq_str(hw->adminq.sq_last_status));
3239                 err = -EAGAIN;
3240         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3241                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3242                             err, ice_aq_str(hw->adminq.sq_last_status));
3243                 err = -EAGAIN;
3244         }
3245
3246         return err;
3247 }
3248
3249 /**
3250  * ice_get_rxfh_key_size - get the RSS hash key size
3251  * @netdev: network interface device structure
3252  *
3253  * Returns the table size.
3254  */
3255 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3256 {
3257         return ICE_VSIQF_HKEY_ARRAY_SIZE;
3258 }
3259
3260 /**
3261  * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3262  * @netdev: network interface device structure
3263  *
3264  * Returns the table size.
3265  */
3266 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3267 {
3268         struct ice_netdev_priv *np = netdev_priv(netdev);
3269
3270         return np->vsi->rss_table_size;
3271 }
3272
3273 /**
3274  * ice_get_rxfh - get the Rx flow hash indirection table
3275  * @netdev: network interface device structure
3276  * @rxfh: pointer to param struct (indir, key, hfunc)
3277  *
3278  * Reads the indirection table directly from the hardware.
3279  */
3280 static int
3281 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
3282 {
3283         struct ice_netdev_priv *np = netdev_priv(netdev);
3284         u32 rss_context = rxfh->rss_context;
3285         struct ice_vsi *vsi = np->vsi;
3286         struct ice_pf *pf = vsi->back;
3287         u16 qcount, offset;
3288         int err, num_tc, i;
3289         u8 *lut;
3290
3291         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3292                 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3293                 return -EOPNOTSUPP;
3294         }
3295
3296         if (rss_context && !ice_is_adq_active(pf)) {
3297                 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
3298                 return -EINVAL;
3299         }
3300
3301         qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3302         offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3303
3304         if (rss_context && ice_is_adq_active(pf)) {
3305                 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3306                 if (rss_context >= num_tc) {
3307                         netdev_err(netdev, "RSS context:%d  > num_tc:%d\n",
3308                                    rss_context, num_tc);
3309                         return -EINVAL;
3310                 }
3311                 /* Use channel VSI of given TC */
3312                 vsi = vsi->tc_map_vsi[rss_context];
3313         }
3314
3315         rxfh->hfunc = ETH_RSS_HASH_TOP;
3316         if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)
3317                 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;
3318
3319         if (!rxfh->indir)
3320                 return 0;
3321
3322         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3323         if (!lut)
3324                 return -ENOMEM;
3325
3326         err = ice_get_rss_key(vsi, rxfh->key);
3327         if (err)
3328                 goto out;
3329
3330         err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3331         if (err)
3332                 goto out;
3333
3334         if (ice_is_adq_active(pf)) {
3335                 for (i = 0; i < vsi->rss_table_size; i++)
3336                         rxfh->indir[i] = offset + lut[i] % qcount;
3337                 goto out;
3338         }
3339
3340         for (i = 0; i < vsi->rss_table_size; i++)
3341                 rxfh->indir[i] = lut[i];
3342
3343 out:
3344         kfree(lut);
3345         return err;
3346 }
3347
3348 /**
3349  * ice_set_rxfh - set the Rx flow hash indirection table
3350  * @netdev: network interface device structure
3351  * @rxfh: pointer to param struct (indir, key, hfunc)
3352  * @extack: extended ACK from the Netlink message
3353  *
3354  * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3355  * returns 0 after programming the table.
3356  */
3357 static int
3358 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
3359              struct netlink_ext_ack *extack)
3360 {
3361         struct ice_netdev_priv *np = netdev_priv(netdev);
3362         u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
3363         struct ice_vsi *vsi = np->vsi;
3364         struct ice_pf *pf = vsi->back;
3365         struct device *dev;
3366         int err;
3367
3368         dev = ice_pf_to_dev(pf);
3369         if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3370             rxfh->hfunc != ETH_RSS_HASH_TOP)
3371                 return -EOPNOTSUPP;
3372
3373         if (rxfh->rss_context)
3374                 return -EOPNOTSUPP;
3375
3376         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3377                 /* RSS not supported return error here */
3378                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3379                 return -EIO;
3380         }
3381
3382         if (ice_is_adq_active(pf)) {
3383                 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3384                 return -EOPNOTSUPP;
3385         }
3386
3387         /* Update the VSI's hash function */
3388         if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)
3389                 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;
3390
3391         err = ice_set_rss_hfunc(vsi, hfunc);
3392         if (err)
3393                 return err;
3394
3395         if (rxfh->key) {
3396                 if (!vsi->rss_hkey_user) {
3397                         vsi->rss_hkey_user =
3398                                 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3399                                              GFP_KERNEL);
3400                         if (!vsi->rss_hkey_user)
3401                                 return -ENOMEM;
3402                 }
3403                 memcpy(vsi->rss_hkey_user, rxfh->key,
3404                        ICE_VSIQF_HKEY_ARRAY_SIZE);
3405
3406                 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3407                 if (err)
3408                         return err;
3409         }
3410
3411         if (!vsi->rss_lut_user) {
3412                 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3413                                                  GFP_KERNEL);
3414                 if (!vsi->rss_lut_user)
3415                         return -ENOMEM;
3416         }
3417
3418         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3419         if (rxfh->indir) {
3420                 int i;
3421
3422                 for (i = 0; i < vsi->rss_table_size; i++)
3423                         vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);
3424         } else {
3425                 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3426                                  vsi->rss_size);
3427         }
3428
3429         err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3430         if (err)
3431                 return err;
3432
3433         return 0;
3434 }
3435
3436 static int
3437 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3438 {
3439         struct ice_pf *pf = ice_netdev_to_pf(dev);
3440
3441         /* only report timestamping if PTP is enabled */
3442         if (pf->ptp.state != ICE_PTP_READY)
3443                 return ethtool_op_get_ts_info(dev, info);
3444
3445         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3446                                 SOF_TIMESTAMPING_RX_SOFTWARE |
3447                                 SOF_TIMESTAMPING_SOFTWARE |
3448                                 SOF_TIMESTAMPING_TX_HARDWARE |
3449                                 SOF_TIMESTAMPING_RX_HARDWARE |
3450                                 SOF_TIMESTAMPING_RAW_HARDWARE;
3451
3452         info->phc_index = ice_ptp_clock_index(pf);
3453
3454         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3455
3456         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3457
3458         return 0;
3459 }
3460
3461 /**
3462  * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3463  * @pf: PF structure
3464  */
3465 static int ice_get_max_txq(struct ice_pf *pf)
3466 {
3467         return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3468                     (u16)pf->hw.func_caps.common_cap.num_txq);
3469 }
3470
3471 /**
3472  * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3473  * @pf: PF structure
3474  */
3475 static int ice_get_max_rxq(struct ice_pf *pf)
3476 {
3477         return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3478                     (u16)pf->hw.func_caps.common_cap.num_rxq);
3479 }
3480
3481 /**
3482  * ice_get_combined_cnt - return the current number of combined channels
3483  * @vsi: PF VSI pointer
3484  *
3485  * Go through all queue vectors and count ones that have both Rx and Tx ring
3486  * attached
3487  */
3488 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3489 {
3490         u32 combined = 0;
3491         int q_idx;
3492
3493         ice_for_each_q_vector(vsi, q_idx) {
3494                 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3495
3496                 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3497                         combined++;
3498         }
3499
3500         return combined;
3501 }
3502
3503 /**
3504  * ice_get_channels - get the current and max supported channels
3505  * @dev: network interface device structure
3506  * @ch: ethtool channel data structure
3507  */
3508 static void
3509 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3510 {
3511         struct ice_netdev_priv *np = netdev_priv(dev);
3512         struct ice_vsi *vsi = np->vsi;
3513         struct ice_pf *pf = vsi->back;
3514
3515         /* report maximum channels */
3516         ch->max_rx = ice_get_max_rxq(pf);
3517         ch->max_tx = ice_get_max_txq(pf);
3518         ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3519
3520         /* report current channels */
3521         ch->combined_count = ice_get_combined_cnt(vsi);
3522         ch->rx_count = vsi->num_rxq - ch->combined_count;
3523         ch->tx_count = vsi->num_txq - ch->combined_count;
3524
3525         /* report other queues */
3526         ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3527         ch->max_other = ch->other_count;
3528 }
3529
3530 /**
3531  * ice_get_valid_rss_size - return valid number of RSS queues
3532  * @hw: pointer to the HW structure
3533  * @new_size: requested RSS queues
3534  */
3535 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3536 {
3537         struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3538
3539         return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3540 }
3541
3542 /**
3543  * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3544  * @vsi: VSI to reconfigure RSS LUT on
3545  * @req_rss_size: requested range of queue numbers for hashing
3546  *
3547  * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3548  */
3549 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3550 {
3551         struct ice_pf *pf = vsi->back;
3552         struct device *dev;
3553         struct ice_hw *hw;
3554         int err;
3555         u8 *lut;
3556
3557         dev = ice_pf_to_dev(pf);
3558         hw = &pf->hw;
3559
3560         if (!req_rss_size)
3561                 return -EINVAL;
3562
3563         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3564         if (!lut)
3565                 return -ENOMEM;
3566
3567         /* set RSS LUT parameters */
3568         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3569                 vsi->rss_size = 1;
3570         else
3571                 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3572
3573         /* create/set RSS LUT */
3574         ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3575         err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3576         if (err)
3577                 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3578                         ice_aq_str(hw->adminq.sq_last_status));
3579
3580         kfree(lut);
3581         return err;
3582 }
3583
3584 /**
3585  * ice_set_channels - set the number channels
3586  * @dev: network interface device structure
3587  * @ch: ethtool channel data structure
3588  */
3589 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3590 {
3591         struct ice_netdev_priv *np = netdev_priv(dev);
3592         struct ice_vsi *vsi = np->vsi;
3593         struct ice_pf *pf = vsi->back;
3594         int new_rx = 0, new_tx = 0;
3595         bool locked = false;
3596         u32 curr_combined;
3597         int ret = 0;
3598
3599         /* do not support changing channels in Safe Mode */
3600         if (ice_is_safe_mode(pf)) {
3601                 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3602                 return -EOPNOTSUPP;
3603         }
3604         /* do not support changing other_count */
3605         if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3606                 return -EINVAL;
3607
3608         if (ice_is_adq_active(pf)) {
3609                 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3610                 return -EOPNOTSUPP;
3611         }
3612
3613         if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3614                 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3615                 return -EOPNOTSUPP;
3616         }
3617
3618         curr_combined = ice_get_combined_cnt(vsi);
3619
3620         /* these checks are for cases where user didn't specify a particular
3621          * value on cmd line but we get non-zero value anyway via
3622          * get_channels(); look at ethtool.c in ethtool repository (the user
3623          * space part), particularly, do_schannels() routine
3624          */
3625         if (ch->rx_count == vsi->num_rxq - curr_combined)
3626                 ch->rx_count = 0;
3627         if (ch->tx_count == vsi->num_txq - curr_combined)
3628                 ch->tx_count = 0;
3629         if (ch->combined_count == curr_combined)
3630                 ch->combined_count = 0;
3631
3632         if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3633                 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3634                 return -EINVAL;
3635         }
3636
3637         new_rx = ch->combined_count + ch->rx_count;
3638         new_tx = ch->combined_count + ch->tx_count;
3639
3640         if (new_rx < vsi->tc_cfg.numtc) {
3641                 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3642                            vsi->tc_cfg.numtc);
3643                 return -EINVAL;
3644         }
3645         if (new_tx < vsi->tc_cfg.numtc) {
3646                 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3647                            vsi->tc_cfg.numtc);
3648                 return -EINVAL;
3649         }
3650         if (new_rx > ice_get_max_rxq(pf)) {
3651                 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3652                            ice_get_max_rxq(pf));
3653                 return -EINVAL;
3654         }
3655         if (new_tx > ice_get_max_txq(pf)) {
3656                 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3657                            ice_get_max_txq(pf));
3658                 return -EINVAL;
3659         }
3660
3661         if (pf->adev) {
3662                 mutex_lock(&pf->adev_mutex);
3663                 device_lock(&pf->adev->dev);
3664                 locked = true;
3665                 if (pf->adev->dev.driver) {
3666                         netdev_err(dev, "Cannot change channels when RDMA is active\n");
3667                         ret = -EBUSY;
3668                         goto adev_unlock;
3669                 }
3670         }
3671
3672         ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3673
3674         if (!netif_is_rxfh_configured(dev)) {
3675                 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3676                 goto adev_unlock;
3677         }
3678
3679         /* Update rss_size due to change in Rx queues */
3680         vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3681
3682 adev_unlock:
3683         if (locked) {
3684                 device_unlock(&pf->adev->dev);
3685                 mutex_unlock(&pf->adev_mutex);
3686         }
3687         return ret;
3688 }
3689
3690 /**
3691  * ice_get_wol - get current Wake on LAN configuration
3692  * @netdev: network interface device structure
3693  * @wol: Ethtool structure to retrieve WoL settings
3694  */
3695 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3696 {
3697         struct ice_netdev_priv *np = netdev_priv(netdev);
3698         struct ice_pf *pf = np->vsi->back;
3699
3700         if (np->vsi->type != ICE_VSI_PF)
3701                 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3702
3703         /* Get WoL settings based on the HW capability */
3704         if (ice_is_wol_supported(&pf->hw)) {
3705                 wol->supported = WAKE_MAGIC;
3706                 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3707         } else {
3708                 wol->supported = 0;
3709                 wol->wolopts = 0;
3710         }
3711 }
3712
3713 /**
3714  * ice_set_wol - set Wake on LAN on supported device
3715  * @netdev: network interface device structure
3716  * @wol: Ethtool structure to set WoL
3717  */
3718 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3719 {
3720         struct ice_netdev_priv *np = netdev_priv(netdev);
3721         struct ice_vsi *vsi = np->vsi;
3722         struct ice_pf *pf = vsi->back;
3723
3724         if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3725                 return -EOPNOTSUPP;
3726
3727         /* only magic packet is supported */
3728         if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3729                 return -EOPNOTSUPP;
3730
3731         /* Set WoL only if there is a new value */
3732         if (pf->wol_ena != !!wol->wolopts) {
3733                 pf->wol_ena = !!wol->wolopts;
3734                 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3735                 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3736                            pf->wol_ena ? "en" : "dis");
3737         }
3738
3739         return 0;
3740 }
3741
3742 /**
3743  * ice_get_rc_coalesce - get ITR values for specific ring container
3744  * @ec: ethtool structure to fill with driver's coalesce settings
3745  * @rc: ring container that the ITR values will come from
3746  *
3747  * Query the device for ice_ring_container specific ITR values. This is
3748  * done per ice_ring_container because each q_vector can have 1 or more rings
3749  * and all of said ring(s) will have the same ITR values.
3750  *
3751  * Returns 0 on success, negative otherwise.
3752  */
3753 static int
3754 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3755 {
3756         if (!rc->rx_ring)
3757                 return -EINVAL;
3758
3759         switch (rc->type) {
3760         case ICE_RX_CONTAINER:
3761                 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3762                 ec->rx_coalesce_usecs = rc->itr_setting;
3763                 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3764                 break;
3765         case ICE_TX_CONTAINER:
3766                 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3767                 ec->tx_coalesce_usecs = rc->itr_setting;
3768                 break;
3769         default:
3770                 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3771                 return -EINVAL;
3772         }
3773
3774         return 0;
3775 }
3776
3777 /**
3778  * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3779  * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3780  * @ec: coalesce settings to program the device with
3781  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3782  *
3783  * Return 0 on success, and negative under the following conditions:
3784  * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3785  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3786  */
3787 static int
3788 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3789 {
3790         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3791                 if (ice_get_rc_coalesce(ec,
3792                                         &vsi->rx_rings[q_num]->q_vector->rx))
3793                         return -EINVAL;
3794                 if (ice_get_rc_coalesce(ec,
3795                                         &vsi->tx_rings[q_num]->q_vector->tx))
3796                         return -EINVAL;
3797         } else if (q_num < vsi->num_rxq) {
3798                 if (ice_get_rc_coalesce(ec,
3799                                         &vsi->rx_rings[q_num]->q_vector->rx))
3800                         return -EINVAL;
3801         } else if (q_num < vsi->num_txq) {
3802                 if (ice_get_rc_coalesce(ec,
3803                                         &vsi->tx_rings[q_num]->q_vector->tx))
3804                         return -EINVAL;
3805         } else {
3806                 return -EINVAL;
3807         }
3808
3809         return 0;
3810 }
3811
3812 /**
3813  * __ice_get_coalesce - get ITR/INTRL values for the device
3814  * @netdev: pointer to the netdev associated with this query
3815  * @ec: ethtool structure to fill with driver's coalesce settings
3816  * @q_num: queue number to get the coalesce settings for
3817  *
3818  * If the caller passes in a negative q_num then we return coalesce settings
3819  * based on queue number 0, else use the actual q_num passed in.
3820  */
3821 static int
3822 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3823                    int q_num)
3824 {
3825         struct ice_netdev_priv *np = netdev_priv(netdev);
3826         struct ice_vsi *vsi = np->vsi;
3827
3828         if (q_num < 0)
3829                 q_num = 0;
3830
3831         if (ice_get_q_coalesce(vsi, ec, q_num))
3832                 return -EINVAL;
3833
3834         return 0;
3835 }
3836
3837 static int ice_get_coalesce(struct net_device *netdev,
3838                             struct ethtool_coalesce *ec,
3839                             struct kernel_ethtool_coalesce *kernel_coal,
3840                             struct netlink_ext_ack *extack)
3841 {
3842         return __ice_get_coalesce(netdev, ec, -1);
3843 }
3844
3845 static int
3846 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3847                        struct ethtool_coalesce *ec)
3848 {
3849         return __ice_get_coalesce(netdev, ec, q_num);
3850 }
3851
3852 /**
3853  * ice_set_rc_coalesce - set ITR values for specific ring container
3854  * @ec: ethtool structure from user to update ITR settings
3855  * @rc: ring container that the ITR values will come from
3856  * @vsi: VSI associated to the ring container
3857  *
3858  * Set specific ITR values. This is done per ice_ring_container because each
3859  * q_vector can have 1 or more rings and all of said ring(s) will have the same
3860  * ITR values.
3861  *
3862  * Returns 0 on success, negative otherwise.
3863  */
3864 static int
3865 ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3866                     struct ice_ring_container *rc, struct ice_vsi *vsi)
3867 {
3868         const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3869         u32 use_adaptive_coalesce, coalesce_usecs;
3870         struct ice_pf *pf = vsi->back;
3871         u16 itr_setting;
3872
3873         if (!rc->rx_ring)
3874                 return -EINVAL;
3875
3876         switch (rc->type) {
3877         case ICE_RX_CONTAINER:
3878         {
3879                 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3880
3881                 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3882                     (ec->rx_coalesce_usecs_high &&
3883                      ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3884                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3885                                     c_type_str, pf->hw.intrl_gran,
3886                                     ICE_MAX_INTRL);
3887                         return -EINVAL;
3888                 }
3889                 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3890                     (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3891                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3892                                     c_type_str);
3893                         return -EINVAL;
3894                 }
3895                 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3896                         q_vector->intrl = ec->rx_coalesce_usecs_high;
3897
3898                 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3899                 coalesce_usecs = ec->rx_coalesce_usecs;
3900
3901                 break;
3902         }
3903         case ICE_TX_CONTAINER:
3904                 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3905                 coalesce_usecs = ec->tx_coalesce_usecs;
3906
3907                 break;
3908         default:
3909                 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3910                         rc->type);
3911                 return -EINVAL;
3912         }
3913
3914         itr_setting = rc->itr_setting;
3915         if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3916                 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3917                             c_type_str, c_type_str);
3918                 return -EINVAL;
3919         }
3920
3921         if (coalesce_usecs > ICE_ITR_MAX) {
3922                 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3923                             c_type_str, ICE_ITR_MAX);
3924                 return -EINVAL;
3925         }
3926
3927         if (use_adaptive_coalesce) {
3928                 rc->itr_mode = ITR_DYNAMIC;
3929         } else {
3930                 rc->itr_mode = ITR_STATIC;
3931                 /* store user facing value how it was set */
3932                 rc->itr_setting = coalesce_usecs;
3933                 /* write the change to the register */
3934                 ice_write_itr(rc, coalesce_usecs);
3935                 /* force writes to take effect immediately, the flush shouldn't
3936                  * be done in the functions above because the intent is for
3937                  * them to do lazy writes.
3938                  */
3939                 ice_flush(&pf->hw);
3940         }
3941
3942         return 0;
3943 }
3944
3945 /**
3946  * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3947  * @vsi: VSI associated to the queue that need updating
3948  * @ec: coalesce settings to program the device with
3949  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3950  *
3951  * Return 0 on success, and negative under the following conditions:
3952  * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3953  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3954  */
3955 static int
3956 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3957 {
3958         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3959                 if (ice_set_rc_coalesce(ec,
3960                                         &vsi->rx_rings[q_num]->q_vector->rx,
3961                                         vsi))
3962                         return -EINVAL;
3963
3964                 if (ice_set_rc_coalesce(ec,
3965                                         &vsi->tx_rings[q_num]->q_vector->tx,
3966                                         vsi))
3967                         return -EINVAL;
3968         } else if (q_num < vsi->num_rxq) {
3969                 if (ice_set_rc_coalesce(ec,
3970                                         &vsi->rx_rings[q_num]->q_vector->rx,
3971                                         vsi))
3972                         return -EINVAL;
3973         } else if (q_num < vsi->num_txq) {
3974                 if (ice_set_rc_coalesce(ec,
3975                                         &vsi->tx_rings[q_num]->q_vector->tx,
3976                                         vsi))
3977                         return -EINVAL;
3978         } else {
3979                 return -EINVAL;
3980         }
3981
3982         return 0;
3983 }
3984
3985 /**
3986  * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3987  * @netdev: netdev used for print
3988  * @itr_setting: previous user setting
3989  * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3990  * @coalesce_usecs: requested value of [tx|rx]-usecs
3991  * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3992  */
3993 static void
3994 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3995                        u32 use_adaptive_coalesce, u32 coalesce_usecs,
3996                        const char *c_type_str)
3997 {
3998         if (use_adaptive_coalesce)
3999                 return;
4000
4001         if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
4002                 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",
4003                             c_type_str, coalesce_usecs, c_type_str,
4004                             ITR_REG_ALIGN(coalesce_usecs));
4005 }
4006
4007 /**
4008  * __ice_set_coalesce - set ITR/INTRL values for the device
4009  * @netdev: pointer to the netdev associated with this query
4010  * @ec: ethtool structure to fill with driver's coalesce settings
4011  * @q_num: queue number to get the coalesce settings for
4012  *
4013  * If the caller passes in a negative q_num then we set the coalesce settings
4014  * for all Tx/Rx queues, else use the actual q_num passed in.
4015  */
4016 static int
4017 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4018                    int q_num)
4019 {
4020         struct ice_netdev_priv *np = netdev_priv(netdev);
4021         struct ice_vsi *vsi = np->vsi;
4022
4023         if (q_num < 0) {
4024                 struct ice_q_vector *q_vector = vsi->q_vectors[0];
4025                 int v_idx;
4026
4027                 if (q_vector) {
4028                         ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
4029                                                ec->use_adaptive_rx_coalesce,
4030                                                ec->rx_coalesce_usecs, "rx");
4031
4032                         ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
4033                                                ec->use_adaptive_tx_coalesce,
4034                                                ec->tx_coalesce_usecs, "tx");
4035                 }
4036
4037                 ice_for_each_q_vector(vsi, v_idx) {
4038                         /* In some cases if DCB is configured the num_[rx|tx]q
4039                          * can be less than vsi->num_q_vectors. This check
4040                          * accounts for that so we don't report a false failure
4041                          */
4042                         if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
4043                                 goto set_complete;
4044
4045                         if (ice_set_q_coalesce(vsi, ec, v_idx))
4046                                 return -EINVAL;
4047
4048                         ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
4049                 }
4050                 goto set_complete;
4051         }
4052
4053         if (ice_set_q_coalesce(vsi, ec, q_num))
4054                 return -EINVAL;
4055
4056         ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
4057
4058 set_complete:
4059         return 0;
4060 }
4061
4062 static int ice_set_coalesce(struct net_device *netdev,
4063                             struct ethtool_coalesce *ec,
4064                             struct kernel_ethtool_coalesce *kernel_coal,
4065                             struct netlink_ext_ack *extack)
4066 {
4067         return __ice_set_coalesce(netdev, ec, -1);
4068 }
4069
4070 static int
4071 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
4072                        struct ethtool_coalesce *ec)
4073 {
4074         return __ice_set_coalesce(netdev, ec, q_num);
4075 }
4076
4077 static void
4078 ice_repr_get_drvinfo(struct net_device *netdev,
4079                      struct ethtool_drvinfo *drvinfo)
4080 {
4081         struct ice_repr *repr = ice_netdev_to_repr(netdev);
4082
4083         if (ice_check_vf_ready_for_cfg(repr->vf))
4084                 return;
4085
4086         __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4087 }
4088
4089 static void
4090 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4091 {
4092         struct ice_repr *repr = ice_netdev_to_repr(netdev);
4093
4094         /* for port representors only ETH_SS_STATS is supported */
4095         if (ice_check_vf_ready_for_cfg(repr->vf) ||
4096             stringset != ETH_SS_STATS)
4097                 return;
4098
4099         __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4100 }
4101
4102 static void
4103 ice_repr_get_ethtool_stats(struct net_device *netdev,
4104                            struct ethtool_stats __always_unused *stats,
4105                            u64 *data)
4106 {
4107         struct ice_repr *repr = ice_netdev_to_repr(netdev);
4108
4109         if (ice_check_vf_ready_for_cfg(repr->vf))
4110                 return;
4111
4112         __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4113 }
4114
4115 static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4116 {
4117         switch (sset) {
4118         case ETH_SS_STATS:
4119                 return ICE_VSI_STATS_LEN;
4120         default:
4121                 return -EOPNOTSUPP;
4122         }
4123 }
4124
4125 #define ICE_I2C_EEPROM_DEV_ADDR         0xA0
4126 #define ICE_I2C_EEPROM_DEV_ADDR2        0xA2
4127 #define ICE_MODULE_TYPE_SFP             0x03
4128 #define ICE_MODULE_TYPE_QSFP_PLUS       0x0D
4129 #define ICE_MODULE_TYPE_QSFP28          0x11
4130 #define ICE_MODULE_SFF_ADDR_MODE        0x04
4131 #define ICE_MODULE_SFF_DIAG_CAPAB       0x40
4132 #define ICE_MODULE_REVISION_ADDR        0x01
4133 #define ICE_MODULE_SFF_8472_COMP        0x5E
4134 #define ICE_MODULE_SFF_8472_SWAP        0x5C
4135 #define ICE_MODULE_QSFP_MAX_LEN         640
4136
4137 /**
4138  * ice_get_module_info - get SFF module type and revision information
4139  * @netdev: network interface device structure
4140  * @modinfo: module EEPROM size and layout information structure
4141  */
4142 static int
4143 ice_get_module_info(struct net_device *netdev,
4144                     struct ethtool_modinfo *modinfo)
4145 {
4146         struct ice_netdev_priv *np = netdev_priv(netdev);
4147         struct ice_vsi *vsi = np->vsi;
4148         struct ice_pf *pf = vsi->back;
4149         struct ice_hw *hw = &pf->hw;
4150         u8 sff8472_comp = 0;
4151         u8 sff8472_swap = 0;
4152         u8 sff8636_rev = 0;
4153         u8 value = 0;
4154         int status;
4155
4156         status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4157                                    0, &value, 1, 0, NULL);
4158         if (status)
4159                 return status;
4160
4161         switch (value) {
4162         case ICE_MODULE_TYPE_SFP:
4163                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4164                                            ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4165                                            &sff8472_comp, 1, 0, NULL);
4166                 if (status)
4167                         return status;
4168                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4169                                            ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4170                                            &sff8472_swap, 1, 0, NULL);
4171                 if (status)
4172                         return status;
4173
4174                 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4175                         modinfo->type = ETH_MODULE_SFF_8079;
4176                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4177                 } else if (sff8472_comp &&
4178                            (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4179                         modinfo->type = ETH_MODULE_SFF_8472;
4180                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4181                 } else {
4182                         modinfo->type = ETH_MODULE_SFF_8079;
4183                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4184                 }
4185                 break;
4186         case ICE_MODULE_TYPE_QSFP_PLUS:
4187         case ICE_MODULE_TYPE_QSFP28:
4188                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4189                                            ICE_MODULE_REVISION_ADDR, 0x00, 0,
4190                                            &sff8636_rev, 1, 0, NULL);
4191                 if (status)
4192                         return status;
4193                 /* Check revision compliance */
4194                 if (sff8636_rev > 0x02) {
4195                         /* Module is SFF-8636 compliant */
4196                         modinfo->type = ETH_MODULE_SFF_8636;
4197                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4198                 } else {
4199                         modinfo->type = ETH_MODULE_SFF_8436;
4200                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4201                 }
4202                 break;
4203         default:
4204                 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4205                 return -EINVAL;
4206         }
4207         return 0;
4208 }
4209
4210 /**
4211  * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4212  * @netdev: network interface device structure
4213  * @ee: EEPROM dump request structure
4214  * @data: buffer to be filled with EEPROM contents
4215  */
4216 static int
4217 ice_get_module_eeprom(struct net_device *netdev,
4218                       struct ethtool_eeprom *ee, u8 *data)
4219 {
4220         struct ice_netdev_priv *np = netdev_priv(netdev);
4221 #define SFF_READ_BLOCK_SIZE 8
4222         u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4223         u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4224         struct ice_vsi *vsi = np->vsi;
4225         struct ice_pf *pf = vsi->back;
4226         struct ice_hw *hw = &pf->hw;
4227         bool is_sfp = false;
4228         unsigned int i, j;
4229         u16 offset = 0;
4230         u8 page = 0;
4231         int status;
4232
4233         if (!ee || !ee->len || !data)
4234                 return -EINVAL;
4235
4236         status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4237                                    NULL);
4238         if (status)
4239                 return status;
4240
4241         if (value[0] == ICE_MODULE_TYPE_SFP)
4242                 is_sfp = true;
4243
4244         memset(data, 0, ee->len);
4245         for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4246                 offset = i + ee->offset;
4247                 page = 0;
4248
4249                 /* Check if we need to access the other memory page */
4250                 if (is_sfp) {
4251                         if (offset >= ETH_MODULE_SFF_8079_LEN) {
4252                                 offset -= ETH_MODULE_SFF_8079_LEN;
4253                                 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4254                         }
4255                 } else {
4256                         while (offset >= ETH_MODULE_SFF_8436_LEN) {
4257                                 /* Compute memory page number and offset. */
4258                                 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4259                                 page++;
4260                         }
4261                 }
4262
4263                 /* Bit 2 of EEPROM address 0x02 declares upper
4264                  * pages are disabled on QSFP modules.
4265                  * SFP modules only ever use page 0.
4266                  */
4267                 if (page == 0 || !(data[0x2] & 0x4)) {
4268                         u32 copy_len;
4269
4270                         /* If i2c bus is busy due to slow page change or
4271                          * link management access, call can fail. This is normal.
4272                          * So we retry this a few times.
4273                          */
4274                         for (j = 0; j < 4; j++) {
4275                                 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4276                                                            !is_sfp, value,
4277                                                            SFF_READ_BLOCK_SIZE,
4278                                                            0, NULL);
4279                                 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4280                                            addr, offset, page, is_sfp,
4281                                            value[0], value[1], value[2], value[3],
4282                                            value[4], value[5], value[6], value[7],
4283                                            status);
4284                                 if (status) {
4285                                         usleep_range(1500, 2500);
4286                                         memset(value, 0, SFF_READ_BLOCK_SIZE);
4287                                         continue;
4288                                 }
4289                                 break;
4290                         }
4291
4292                         /* Make sure we have enough room for the new block */
4293                         copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4294                         memcpy(data + i, value, copy_len);
4295                 }
4296         }
4297         return 0;
4298 }
4299
4300 static const struct ethtool_ops ice_ethtool_ops = {
4301         .cap_rss_ctx_supported  = true,
4302         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4303                                      ETHTOOL_COALESCE_USE_ADAPTIVE |
4304                                      ETHTOOL_COALESCE_RX_USECS_HIGH,
4305         .cap_rss_sym_xor_supported = true,
4306         .get_link_ksettings     = ice_get_link_ksettings,
4307         .set_link_ksettings     = ice_set_link_ksettings,
4308         .get_drvinfo            = ice_get_drvinfo,
4309         .get_regs_len           = ice_get_regs_len,
4310         .get_regs               = ice_get_regs,
4311         .get_wol                = ice_get_wol,
4312         .set_wol                = ice_set_wol,
4313         .get_msglevel           = ice_get_msglevel,
4314         .set_msglevel           = ice_set_msglevel,
4315         .self_test              = ice_self_test,
4316         .get_link               = ethtool_op_get_link,
4317         .get_eeprom_len         = ice_get_eeprom_len,
4318         .get_eeprom             = ice_get_eeprom,
4319         .get_coalesce           = ice_get_coalesce,
4320         .set_coalesce           = ice_set_coalesce,
4321         .get_strings            = ice_get_strings,
4322         .set_phys_id            = ice_set_phys_id,
4323         .get_ethtool_stats      = ice_get_ethtool_stats,
4324         .get_priv_flags         = ice_get_priv_flags,
4325         .set_priv_flags         = ice_set_priv_flags,
4326         .get_sset_count         = ice_get_sset_count,
4327         .get_rxnfc              = ice_get_rxnfc,
4328         .set_rxnfc              = ice_set_rxnfc,
4329         .get_ringparam          = ice_get_ringparam,
4330         .set_ringparam          = ice_set_ringparam,
4331         .nway_reset             = ice_nway_reset,
4332         .get_pauseparam         = ice_get_pauseparam,
4333         .set_pauseparam         = ice_set_pauseparam,
4334         .get_rxfh_key_size      = ice_get_rxfh_key_size,
4335         .get_rxfh_indir_size    = ice_get_rxfh_indir_size,
4336         .get_rxfh               = ice_get_rxfh,
4337         .set_rxfh               = ice_set_rxfh,
4338         .get_channels           = ice_get_channels,
4339         .set_channels           = ice_set_channels,
4340         .get_ts_info            = ice_get_ts_info,
4341         .get_per_queue_coalesce = ice_get_per_q_coalesce,
4342         .set_per_queue_coalesce = ice_set_per_q_coalesce,
4343         .get_fecparam           = ice_get_fecparam,
4344         .set_fecparam           = ice_set_fecparam,
4345         .get_module_info        = ice_get_module_info,
4346         .get_module_eeprom      = ice_get_module_eeprom,
4347 };
4348
4349 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4350         .get_link_ksettings     = ice_get_link_ksettings,
4351         .set_link_ksettings     = ice_set_link_ksettings,
4352         .get_drvinfo            = ice_get_drvinfo,
4353         .get_regs_len           = ice_get_regs_len,
4354         .get_regs               = ice_get_regs,
4355         .get_wol                = ice_get_wol,
4356         .set_wol                = ice_set_wol,
4357         .get_msglevel           = ice_get_msglevel,
4358         .set_msglevel           = ice_set_msglevel,
4359         .get_link               = ethtool_op_get_link,
4360         .get_eeprom_len         = ice_get_eeprom_len,
4361         .get_eeprom             = ice_get_eeprom,
4362         .get_strings            = ice_get_strings,
4363         .get_ethtool_stats      = ice_get_ethtool_stats,
4364         .get_sset_count         = ice_get_sset_count,
4365         .get_ringparam          = ice_get_ringparam,
4366         .set_ringparam          = ice_set_ringparam,
4367         .nway_reset             = ice_nway_reset,
4368         .get_channels           = ice_get_channels,
4369 };
4370
4371 /**
4372  * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4373  * @netdev: network interface device structure
4374  */
4375 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4376 {
4377         netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4378 }
4379
4380 static const struct ethtool_ops ice_ethtool_repr_ops = {
4381         .get_drvinfo            = ice_repr_get_drvinfo,
4382         .get_link               = ethtool_op_get_link,
4383         .get_strings            = ice_repr_get_strings,
4384         .get_ethtool_stats      = ice_repr_get_ethtool_stats,
4385         .get_sset_count         = ice_repr_get_sset_count,
4386 };
4387
4388 /**
4389  * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4390  * @netdev: network interface device structure
4391  */
4392 void ice_set_ethtool_repr_ops(struct net_device *netdev)
4393 {
4394         netdev->ethtool_ops = &ice_ethtool_repr_ops;
4395 }
4396
4397 /**
4398  * ice_set_ethtool_ops - setup netdev ethtool ops
4399  * @netdev: network interface device structure
4400  *
4401  * setup netdev ethtool ops with ice specific ops
4402  */
4403 void ice_set_ethtool_ops(struct net_device *netdev)
4404 {
4405         netdev->ethtool_ops = &ice_ethtool_ops;
4406 }