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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2018, Intel Corporation. */
   3
   4 /* ethtool support for ice */
   5
   6 #include "ice.h"
   7 #include "ice_ethtool.h"
   8 #include "ice_flow.h"
   9 #include "ice_fltr.h"
  10 #include "ice_lib.h"
  11 #include "ice_dcb_lib.h"
  12 #include <net/dcbnl.h>
  13
  14 struct ice_stats {
  15         char stat_string[ETH_GSTRING_LEN];
  16         int sizeof_stat;
  17         int stat_offset;
  18 };
  19
  20 #define ICE_STAT(_type, _name, _stat) { \
  21         .stat_string = _name, \
  22         .sizeof_stat = sizeof_field(_type, _stat), \
  23         .stat_offset = offsetof(_type, _stat) \
  24 }
  25
  26 #define ICE_VSI_STAT(_name, _stat) \
  27                 ICE_STAT(struct ice_vsi, _name, _stat)
  28 #define ICE_PF_STAT(_name, _stat) \
  29                 ICE_STAT(struct ice_pf, _name, _stat)
  30
  31 static int ice_q_stats_len(struct net_device *netdev)
  32 {
  33         struct ice_netdev_priv *np = netdev_priv(netdev);
  34
  35         return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
  36                 (sizeof(struct ice_q_stats) / sizeof(u64)));
  37 }
  38
  39 #define ICE_PF_STATS_LEN        ARRAY_SIZE(ice_gstrings_pf_stats)
  40 #define ICE_VSI_STATS_LEN       ARRAY_SIZE(ice_gstrings_vsi_stats)
  41
  42 #define ICE_PFC_STATS_LEN ( \
  43                 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
  44                  sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
  45                  sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
  46                  sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
  47                  / sizeof(u64))
  48 #define ICE_ALL_STATS_LEN(n)    (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
  49                                  ICE_VSI_STATS_LEN + ice_q_stats_len(n))
  50
  51 static const struct ice_stats ice_gstrings_vsi_stats[] = {
  52         ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  53         ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  54         ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  55         ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  56         ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  57         ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  58         ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
  59         ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
  60         ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
  61         ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  62         ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
  63         ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
  64         ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
  65         ICE_VSI_STAT("tx_linearize", tx_linearize),
  66         ICE_VSI_STAT("tx_busy", tx_busy),
  67         ICE_VSI_STAT("tx_restart", tx_restart),
  68 };
  69
  70 enum ice_ethtool_test_id {
  71         ICE_ETH_TEST_REG = 0,
  72         ICE_ETH_TEST_EEPROM,
  73         ICE_ETH_TEST_INTR,
  74         ICE_ETH_TEST_LOOP,
  75         ICE_ETH_TEST_LINK,
  76 };
  77
  78 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
  79         "Register test  (offline)",
  80         "EEPROM test    (offline)",
  81         "Interrupt test (offline)",
  82         "Loopback test  (offline)",
  83         "Link test   (on/offline)",
  84 };
  85
  86 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
  87
  88 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  89  * but they aren't. This device is capable of supporting multiple
  90  * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
  91  * netdevs whereas the PF_STATs are for the physical function that's
  92  * hosting these netdevs.
  93  *
  94  * The PF_STATs are appended to the netdev stats only when ethtool -S
  95  * is queried on the base PF netdev.
  96  */
  97 static const struct ice_stats ice_gstrings_pf_stats[] = {
  98         ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
  99         ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
 100         ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
 101         ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
 102         ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
 103         ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
 104         ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
 105         ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
 106         ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
 107         ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
 108         ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
 109         ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
 110         ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
 111         ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
 112         ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
 113         ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
 114         ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
 115         ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
 116         ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
 117         ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
 118         ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
 119         ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
 120         ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
 121         ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
 122         ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
 123         ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
 124         ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
 125         ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
 126         ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
 127         ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
 128         ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
 129         ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
 130         ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
 131         ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
 132         ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
 133         ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
 134         ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
 135         ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
 136         ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
 137         ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
 138         ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
 139         ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
 140         ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
 141         ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
 142         ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
 143         ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
 144         ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
 145 };
 146
 147 static const u32 ice_regs_dump_list[] = {
 148         PFGEN_STATE,
 149         PRTGEN_STATUS,
 150         QRX_CTRL(0),
 151         QINT_TQCTL(0),
 152         QINT_RQCTL(0),
 153         PFINT_OICR_ENA,
 154         QRX_ITR(0),
 155 #define GLDCB_TLPM_PCI_DM                       0x000A0180
 156         GLDCB_TLPM_PCI_DM,
 157 #define GLDCB_TLPM_TC2PFC                       0x000A0194
 158         GLDCB_TLPM_TC2PFC,
 159 #define TCDCB_TLPM_WAIT_DM(_i)                  (0x000A0080 + ((_i) * 4))
 160         TCDCB_TLPM_WAIT_DM(0),
 161         TCDCB_TLPM_WAIT_DM(1),
 162         TCDCB_TLPM_WAIT_DM(2),
 163         TCDCB_TLPM_WAIT_DM(3),
 164         TCDCB_TLPM_WAIT_DM(4),
 165         TCDCB_TLPM_WAIT_DM(5),
 166         TCDCB_TLPM_WAIT_DM(6),
 167         TCDCB_TLPM_WAIT_DM(7),
 168         TCDCB_TLPM_WAIT_DM(8),
 169         TCDCB_TLPM_WAIT_DM(9),
 170         TCDCB_TLPM_WAIT_DM(10),
 171         TCDCB_TLPM_WAIT_DM(11),
 172         TCDCB_TLPM_WAIT_DM(12),
 173         TCDCB_TLPM_WAIT_DM(13),
 174         TCDCB_TLPM_WAIT_DM(14),
 175         TCDCB_TLPM_WAIT_DM(15),
 176         TCDCB_TLPM_WAIT_DM(16),
 177         TCDCB_TLPM_WAIT_DM(17),
 178         TCDCB_TLPM_WAIT_DM(18),
 179         TCDCB_TLPM_WAIT_DM(19),
 180         TCDCB_TLPM_WAIT_DM(20),
 181         TCDCB_TLPM_WAIT_DM(21),
 182         TCDCB_TLPM_WAIT_DM(22),
 183         TCDCB_TLPM_WAIT_DM(23),
 184         TCDCB_TLPM_WAIT_DM(24),
 185         TCDCB_TLPM_WAIT_DM(25),
 186         TCDCB_TLPM_WAIT_DM(26),
 187         TCDCB_TLPM_WAIT_DM(27),
 188         TCDCB_TLPM_WAIT_DM(28),
 189         TCDCB_TLPM_WAIT_DM(29),
 190         TCDCB_TLPM_WAIT_DM(30),
 191         TCDCB_TLPM_WAIT_DM(31),
 192 #define GLPCI_WATMK_CLNT_PIPEMON                0x000BFD90
 193         GLPCI_WATMK_CLNT_PIPEMON,
 194 #define GLPCI_CUR_CLNT_COMMON                   0x000BFD84
 195         GLPCI_CUR_CLNT_COMMON,
 196 #define GLPCI_CUR_CLNT_PIPEMON                  0x000BFD88
 197         GLPCI_CUR_CLNT_PIPEMON,
 198 #define GLPCI_PCIERR                            0x0009DEB0
 199         GLPCI_PCIERR,
 200 #define GLPSM_DEBUG_CTL_STATUS                  0x000B0600
 201         GLPSM_DEBUG_CTL_STATUS,
 202 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT       0x000B0680
 203         GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
 204 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B0684
 205         GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
 206 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW           0x000B0688
 207         GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
 208 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT       0x000B069C
 209         GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
 210 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT       0x000B06A0
 211         GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
 212 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT       0x000B0E80
 213         GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
 214 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B0E84
 215         GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
 216 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT   0x000B0E88
 217         GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
 218 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT  0x000B0E8C
 219         GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
 220 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT       0x000B0E90
 221         GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
 222 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT       0x000B1680
 223         GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
 224 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT      0x000B1684
 225         GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
 226 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT       0x000B1688
 227         GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
 228 #define GLTDPU_TCLAN_COMP_BOB(_i)               (0x00049ADC + ((_i) * 4))
 229         GLTDPU_TCLAN_COMP_BOB(1),
 230         GLTDPU_TCLAN_COMP_BOB(2),
 231         GLTDPU_TCLAN_COMP_BOB(3),
 232         GLTDPU_TCLAN_COMP_BOB(4),
 233         GLTDPU_TCLAN_COMP_BOB(5),
 234         GLTDPU_TCLAN_COMP_BOB(6),
 235         GLTDPU_TCLAN_COMP_BOB(7),
 236         GLTDPU_TCLAN_COMP_BOB(8),
 237 #define GLTDPU_TCB_CMD_BOB(_i)                  (0x0004975C + ((_i) * 4))
 238         GLTDPU_TCB_CMD_BOB(1),
 239         GLTDPU_TCB_CMD_BOB(2),
 240         GLTDPU_TCB_CMD_BOB(3),
 241         GLTDPU_TCB_CMD_BOB(4),
 242         GLTDPU_TCB_CMD_BOB(5),
 243         GLTDPU_TCB_CMD_BOB(6),
 244         GLTDPU_TCB_CMD_BOB(7),
 245         GLTDPU_TCB_CMD_BOB(8),
 246 #define GLTDPU_PSM_UPDATE_BOB(_i)               (0x00049B5C + ((_i) * 4))
 247         GLTDPU_PSM_UPDATE_BOB(1),
 248         GLTDPU_PSM_UPDATE_BOB(2),
 249         GLTDPU_PSM_UPDATE_BOB(3),
 250         GLTDPU_PSM_UPDATE_BOB(4),
 251         GLTDPU_PSM_UPDATE_BOB(5),
 252         GLTDPU_PSM_UPDATE_BOB(6),
 253         GLTDPU_PSM_UPDATE_BOB(7),
 254         GLTDPU_PSM_UPDATE_BOB(8),
 255 #define GLTCB_CMD_IN_BOB(_i)                    (0x000AE288 + ((_i) * 4))
 256         GLTCB_CMD_IN_BOB(1),
 257         GLTCB_CMD_IN_BOB(2),
 258         GLTCB_CMD_IN_BOB(3),
 259         GLTCB_CMD_IN_BOB(4),
 260         GLTCB_CMD_IN_BOB(5),
 261         GLTCB_CMD_IN_BOB(6),
 262         GLTCB_CMD_IN_BOB(7),
 263         GLTCB_CMD_IN_BOB(8),
 264 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i)   (0x000FC148 + ((_i) * 4))
 265         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
 266         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
 267         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
 268         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
 269         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
 270         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
 271         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
 272         GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
 273 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
 274         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
 275         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
 276         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
 277         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
 278         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
 279         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
 280         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
 281         GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
 282 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i)       (0x000FC1C8 + ((_i) * 4))
 283         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
 284         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
 285         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
 286         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
 287         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
 288         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
 289         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
 290         GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
 291 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i)  (0x000FC188 + ((_i) * 4))
 292         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
 293         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
 294         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
 295         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
 296         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
 297         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
 298         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
 299         GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
 300 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
 301         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
 302         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
 303         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
 304         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
 305         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
 306         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
 307         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
 308         GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
 309 #define PRTDCB_TCUPM_REG_CM(_i)                 (0x000BC360 + ((_i) * 4))
 310         PRTDCB_TCUPM_REG_CM(0),
 311         PRTDCB_TCUPM_REG_CM(1),
 312         PRTDCB_TCUPM_REG_CM(2),
 313         PRTDCB_TCUPM_REG_CM(3),
 314 #define PRTDCB_TCUPM_REG_DM(_i)                 (0x000BC3A0 + ((_i) * 4))
 315         PRTDCB_TCUPM_REG_DM(0),
 316         PRTDCB_TCUPM_REG_DM(1),
 317         PRTDCB_TCUPM_REG_DM(2),
 318         PRTDCB_TCUPM_REG_DM(3),
 319 #define PRTDCB_TLPM_REG_DM(_i)                  (0x000A0000 + ((_i) * 4))
 320         PRTDCB_TLPM_REG_DM(0),
 321         PRTDCB_TLPM_REG_DM(1),
 322         PRTDCB_TLPM_REG_DM(2),
 323         PRTDCB_TLPM_REG_DM(3),
 324 };
 325
 326 struct ice_priv_flag {
 327         char name[ETH_GSTRING_LEN];
 328         u32 bitno;                      /* bit position in pf->flags */
 329 };
 330
 331 #define ICE_PRIV_FLAG(_name, _bitno) { \
 332         .name = _name, \
 333         .bitno = _bitno, \
 334 }
 335
 336 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
 337         ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
 338         ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
 339         ICE_PRIV_FLAG("vf-true-promisc-support",
 340                       ICE_FLAG_VF_TRUE_PROMISC_ENA),
 341         ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
 342         ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
 343         ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
 344 };
 345
 346 #define ICE_PRIV_FLAG_ARRAY_SIZE        ARRAY_SIZE(ice_gstrings_priv_flags)
 347
 348 static void
 349 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
 350                   struct ice_vsi *vsi)
 351 {
 352         struct ice_pf *pf = vsi->back;
 353         struct ice_hw *hw = &pf->hw;
 354         struct ice_orom_info *orom;
 355         struct ice_nvm_info *nvm;
 356
 357         nvm = &hw->flash.nvm;
 358         orom = &hw->flash.orom;
 359
 360         strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
 361
 362         /* Display NVM version (from which the firmware version can be
 363          * determined) which contains more pertinent information.
 364          */
 365         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 366                  "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
 367                  nvm->eetrack, orom->major, orom->build, orom->patch);
 368
 369         strscpy(drvinfo->bus_info, pci_name(pf->pdev),
 370                 sizeof(drvinfo->bus_info));
 371 }
 372
 373 static void
 374 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 375 {
 376         struct ice_netdev_priv *np = netdev_priv(netdev);
 377
 378         __ice_get_drvinfo(netdev, drvinfo, np->vsi);
 379         drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
 380 }
 381
 382 static int ice_get_regs_len(struct net_device __always_unused *netdev)
 383 {
 384         return sizeof(ice_regs_dump_list);
 385 }
 386
 387 static void
 388 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
 389 {
 390         struct ice_netdev_priv *np = netdev_priv(netdev);
 391         struct ice_pf *pf = np->vsi->back;
 392         struct ice_hw *hw = &pf->hw;
 393         u32 *regs_buf = (u32 *)p;
 394         unsigned int i;
 395
 396         regs->version = 1;
 397
 398         for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
 399                 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
 400 }
 401
 402 static u32 ice_get_msglevel(struct net_device *netdev)
 403 {
 404         struct ice_netdev_priv *np = netdev_priv(netdev);
 405         struct ice_pf *pf = np->vsi->back;
 406
 407 #ifndef CONFIG_DYNAMIC_DEBUG
 408         if (pf->hw.debug_mask)
 409                 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
 410                             pf->hw.debug_mask);
 411 #endif /* !CONFIG_DYNAMIC_DEBUG */
 412
 413         return pf->msg_enable;
 414 }
 415
 416 static void ice_set_msglevel(struct net_device *netdev, u32 data)
 417 {
 418         struct ice_netdev_priv *np = netdev_priv(netdev);
 419         struct ice_pf *pf = np->vsi->back;
 420
 421 #ifndef CONFIG_DYNAMIC_DEBUG
 422         if (ICE_DBG_USER & data)
 423                 pf->hw.debug_mask = data;
 424         else
 425                 pf->msg_enable = data;
 426 #else
 427         pf->msg_enable = data;
 428 #endif /* !CONFIG_DYNAMIC_DEBUG */
 429 }
 430
 431 static int ice_get_eeprom_len(struct net_device *netdev)
 432 {
 433         struct ice_netdev_priv *np = netdev_priv(netdev);
 434         struct ice_pf *pf = np->vsi->back;
 435
 436         return (int)pf->hw.flash.flash_size;
 437 }
 438
 439 static int
 440 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 441                u8 *bytes)
 442 {
 443         struct ice_netdev_priv *np = netdev_priv(netdev);
 444         struct ice_vsi *vsi = np->vsi;
 445         struct ice_pf *pf = vsi->back;
 446         struct ice_hw *hw = &pf->hw;
 447         struct device *dev;
 448         int ret;
 449         u8 *buf;
 450
 451         dev = ice_pf_to_dev(pf);
 452
 453         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 454         netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
 455                    eeprom->cmd, eeprom->offset, eeprom->len);
 456
 457         buf = kzalloc(eeprom->len, GFP_KERNEL);
 458         if (!buf)
 459                 return -ENOMEM;
 460
 461         ret = ice_acquire_nvm(hw, ICE_RES_READ);
 462         if (ret) {
 463                 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
 464                         ret, ice_aq_str(hw->adminq.sq_last_status));
 465                 goto out;
 466         }
 467
 468         ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
 469                                 false);
 470         if (ret) {
 471                 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
 472                         ret, ice_aq_str(hw->adminq.sq_last_status));
 473                 goto release;
 474         }
 475
 476         memcpy(bytes, buf, eeprom->len);
 477 release:
 478         ice_release_nvm(hw);
 479 out:
 480         kfree(buf);
 481         return ret;
 482 }
 483
 484 /**
 485  * ice_active_vfs - check if there are any active VFs
 486  * @pf: board private structure
 487  *
 488  * Returns true if an active VF is found, otherwise returns false
 489  */
 490 static bool ice_active_vfs(struct ice_pf *pf)
 491 {
 492         bool active = false;
 493         struct ice_vf *vf;
 494         unsigned int bkt;
 495
 496         rcu_read_lock();
 497         ice_for_each_vf_rcu(pf, bkt, vf) {
 498                 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
 499                         active = true;
 500                         break;
 501                 }
 502         }
 503         rcu_read_unlock();
 504
 505         return active;
 506 }
 507
 508 /**
 509  * ice_link_test - perform a link test on a given net_device
 510  * @netdev: network interface device structure
 511  *
 512  * This function performs one of the self-tests required by ethtool.
 513  * Returns 0 on success, non-zero on failure.
 514  */
 515 static u64 ice_link_test(struct net_device *netdev)
 516 {
 517         struct ice_netdev_priv *np = netdev_priv(netdev);
 518         bool link_up = false;
 519         int status;
 520
 521         netdev_info(netdev, "link test\n");
 522         status = ice_get_link_status(np->vsi->port_info, &link_up);
 523         if (status) {
 524                 netdev_err(netdev, "link query error, status = %d\n",
 525                            status);
 526                 return 1;
 527         }
 528
 529         if (!link_up)
 530                 return 2;
 531
 532         return 0;
 533 }
 534
 535 /**
 536  * ice_eeprom_test - perform an EEPROM test on a given net_device
 537  * @netdev: network interface device structure
 538  *
 539  * This function performs one of the self-tests required by ethtool.
 540  * Returns 0 on success, non-zero on failure.
 541  */
 542 static u64 ice_eeprom_test(struct net_device *netdev)
 543 {
 544         struct ice_netdev_priv *np = netdev_priv(netdev);
 545         struct ice_pf *pf = np->vsi->back;
 546
 547         netdev_info(netdev, "EEPROM test\n");
 548         return !!(ice_nvm_validate_checksum(&pf->hw));
 549 }
 550
 551 /**
 552  * ice_reg_pattern_test
 553  * @hw: pointer to the HW struct
 554  * @reg: reg to be tested
 555  * @mask: bits to be touched
 556  */
 557 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
 558 {
 559         struct ice_pf *pf = (struct ice_pf *)hw->back;
 560         struct device *dev = ice_pf_to_dev(pf);
 561         static const u32 patterns[] = {
 562                 0x5A5A5A5A, 0xA5A5A5A5,
 563                 0x00000000, 0xFFFFFFFF
 564         };
 565         u32 val, orig_val;
 566         unsigned int i;
 567
 568         orig_val = rd32(hw, reg);
 569         for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
 570                 u32 pattern = patterns[i] & mask;
 571
 572                 wr32(hw, reg, pattern);
 573                 val = rd32(hw, reg);
 574                 if (val == pattern)
 575                         continue;
 576                 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
 577                         , __func__, reg, pattern, val);
 578                 return 1;
 579         }
 580
 581         wr32(hw, reg, orig_val);
 582         val = rd32(hw, reg);
 583         if (val != orig_val) {
 584                 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
 585                         , __func__, reg, orig_val, val);
 586                 return 1;
 587         }
 588
 589         return 0;
 590 }
 591
 592 /**
 593  * ice_reg_test - perform a register test on a given net_device
 594  * @netdev: network interface device structure
 595  *
 596  * This function performs one of the self-tests required by ethtool.
 597  * Returns 0 on success, non-zero on failure.
 598  */
 599 static u64 ice_reg_test(struct net_device *netdev)
 600 {
 601         struct ice_netdev_priv *np = netdev_priv(netdev);
 602         struct ice_hw *hw = np->vsi->port_info->hw;
 603         u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
 604                 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
 605         struct ice_diag_reg_test_info {
 606                 u32 address;
 607                 u32 mask;
 608                 u32 elem_num;
 609                 u32 elem_size;
 610         } ice_reg_list[] = {
 611                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 612                         GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
 613                 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
 614                         GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
 615                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 616                         GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
 617                 {GLINT_CTL, 0xffff0001, 1, 0}
 618         };
 619         unsigned int i;
 620
 621         netdev_dbg(netdev, "Register test\n");
 622         for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
 623                 u32 j;
 624
 625                 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
 626                         u32 mask = ice_reg_list[i].mask;
 627                         u32 reg = ice_reg_list[i].address +
 628                                 (j * ice_reg_list[i].elem_size);
 629
 630                         /* bail on failure (non-zero return) */
 631                         if (ice_reg_pattern_test(hw, reg, mask))
 632                                 return 1;
 633                 }
 634         }
 635
 636         return 0;
 637 }
 638
 639 /**
 640  * ice_lbtest_prepare_rings - configure Tx/Rx test rings
 641  * @vsi: pointer to the VSI structure
 642  *
 643  * Function configures rings of a VSI for loopback test without
 644  * enabling interrupts or informing the kernel about new queues.
 645  *
 646  * Returns 0 on success, negative on failure.
 647  */
 648 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
 649 {
 650         int status;
 651
 652         status = ice_vsi_setup_tx_rings(vsi);
 653         if (status)
 654                 goto err_setup_tx_ring;
 655
 656         status = ice_vsi_setup_rx_rings(vsi);
 657         if (status)
 658                 goto err_setup_rx_ring;
 659
 660         status = ice_vsi_cfg_lan(vsi);
 661         if (status)
 662                 goto err_setup_rx_ring;
 663
 664         status = ice_vsi_start_all_rx_rings(vsi);
 665         if (status)
 666                 goto err_start_rx_ring;
 667
 668         return 0;
 669
 670 err_start_rx_ring:
 671         ice_vsi_free_rx_rings(vsi);
 672 err_setup_rx_ring:
 673         ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 674 err_setup_tx_ring:
 675         ice_vsi_free_tx_rings(vsi);
 676
 677         return status;
 678 }
 679
 680 /**
 681  * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
 682  * @vsi: pointer to the VSI structure
 683  *
 684  * Function stops and frees VSI rings after a loopback test.
 685  * Returns 0 on success, negative on failure.
 686  */
 687 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
 688 {
 689         int status;
 690
 691         status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 692         if (status)
 693                 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
 694                            vsi->vsi_num, status);
 695
 696         status = ice_vsi_stop_all_rx_rings(vsi);
 697         if (status)
 698                 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
 699                            vsi->vsi_num, status);
 700
 701         ice_vsi_free_tx_rings(vsi);
 702         ice_vsi_free_rx_rings(vsi);
 703
 704         return status;
 705 }
 706
 707 /**
 708  * ice_lbtest_create_frame - create test packet
 709  * @pf: pointer to the PF structure
 710  * @ret_data: allocated frame buffer
 711  * @size: size of the packet data
 712  *
 713  * Function allocates a frame with a test pattern on specific offsets.
 714  * Returns 0 on success, non-zero on failure.
 715  */
 716 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
 717 {
 718         u8 *data;
 719
 720         if (!pf)
 721                 return -EINVAL;
 722
 723         data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
 724         if (!data)
 725                 return -ENOMEM;
 726
 727         /* Since the ethernet test frame should always be at least
 728          * 64 bytes long, fill some octets in the payload with test data.
 729          */
 730         memset(data, 0xFF, size);
 731         data[32] = 0xDE;
 732         data[42] = 0xAD;
 733         data[44] = 0xBE;
 734         data[46] = 0xEF;
 735
 736         *ret_data = data;
 737
 738         return 0;
 739 }
 740
 741 /**
 742  * ice_lbtest_check_frame - verify received loopback frame
 743  * @frame: pointer to the raw packet data
 744  *
 745  * Function verifies received test frame with a pattern.
 746  * Returns true if frame matches the pattern, false otherwise.
 747  */
 748 static bool ice_lbtest_check_frame(u8 *frame)
 749 {
 750         /* Validate bytes of a frame under offsets chosen earlier */
 751         if (frame[32] == 0xDE &&
 752             frame[42] == 0xAD &&
 753             frame[44] == 0xBE &&
 754             frame[46] == 0xEF &&
 755             frame[48] == 0xFF)
 756                 return true;
 757
 758         return false;
 759 }
 760
 761 /**
 762  * ice_diag_send - send test frames to the test ring
 763  * @tx_ring: pointer to the transmit ring
 764  * @data: pointer to the raw packet data
 765  * @size: size of the packet to send
 766  *
 767  * Function sends loopback packets on a test Tx ring.
 768  */
 769 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
 770 {
 771         struct ice_tx_desc *tx_desc;
 772         struct ice_tx_buf *tx_buf;
 773         dma_addr_t dma;
 774         u64 td_cmd;
 775
 776         tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
 777         tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
 778
 779         dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
 780         if (dma_mapping_error(tx_ring->dev, dma))
 781                 return -EINVAL;
 782
 783         tx_desc->buf_addr = cpu_to_le64(dma);
 784
 785         /* These flags are required for a descriptor to be pushed out */
 786         td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
 787         tx_desc->cmd_type_offset_bsz =
 788                 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
 789                             (td_cmd << ICE_TXD_QW1_CMD_S) |
 790                             ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
 791                             ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
 792                             ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
 793
 794         tx_buf->next_to_watch = tx_desc;
 795
 796         /* Force memory write to complete before letting h/w know
 797          * there are new descriptors to fetch.
 798          */
 799         wmb();
 800
 801         tx_ring->next_to_use++;
 802         if (tx_ring->next_to_use >= tx_ring->count)
 803                 tx_ring->next_to_use = 0;
 804
 805         writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
 806
 807         /* Wait until the packets get transmitted to the receive queue. */
 808         usleep_range(1000, 2000);
 809         dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
 810
 811         return 0;
 812 }
 813
 814 #define ICE_LB_FRAME_SIZE 64
 815 /**
 816  * ice_lbtest_receive_frames - receive and verify test frames
 817  * @rx_ring: pointer to the receive ring
 818  *
 819  * Function receives loopback packets and verify their correctness.
 820  * Returns number of received valid frames.
 821  */
 822 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
 823 {
 824         struct ice_rx_buf *rx_buf;
 825         int valid_frames, i;
 826         u8 *received_buf;
 827
 828         valid_frames = 0;
 829
 830         for (i = 0; i < rx_ring->count; i++) {
 831                 union ice_32b_rx_flex_desc *rx_desc;
 832
 833                 rx_desc = ICE_RX_DESC(rx_ring, i);
 834
 835                 if (!(rx_desc->wb.status_error0 &
 836                     (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
 837                      cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
 838                         continue;
 839
 840                 rx_buf = &rx_ring->rx_buf[i];
 841                 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
 842
 843                 if (ice_lbtest_check_frame(received_buf))
 844                         valid_frames++;
 845         }
 846
 847         return valid_frames;
 848 }
 849
 850 /**
 851  * ice_loopback_test - perform a loopback test on a given net_device
 852  * @netdev: network interface device structure
 853  *
 854  * This function performs one of the self-tests required by ethtool.
 855  * Returns 0 on success, non-zero on failure.
 856  */
 857 static u64 ice_loopback_test(struct net_device *netdev)
 858 {
 859         struct ice_netdev_priv *np = netdev_priv(netdev);
 860         struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
 861         struct ice_pf *pf = orig_vsi->back;
 862         u8 broadcast[ETH_ALEN], ret = 0;
 863         int num_frames, valid_frames;
 864         struct ice_tx_ring *tx_ring;
 865         struct ice_rx_ring *rx_ring;
 866         struct device *dev;
 867         u8 *tx_frame;
 868         int i;
 869
 870         dev = ice_pf_to_dev(pf);
 871         netdev_info(netdev, "loopback test\n");
 872
 873         test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
 874         if (!test_vsi) {
 875                 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
 876                 return 1;
 877         }
 878
 879         test_vsi->netdev = netdev;
 880         tx_ring = test_vsi->tx_rings[0];
 881         rx_ring = test_vsi->rx_rings[0];
 882
 883         if (ice_lbtest_prepare_rings(test_vsi)) {
 884                 ret = 2;
 885                 goto lbtest_vsi_close;
 886         }
 887
 888         if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
 889                 ret = 3;
 890                 goto lbtest_rings_dis;
 891         }
 892
 893         /* Enable MAC loopback in firmware */
 894         if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
 895                 ret = 4;
 896                 goto lbtest_mac_dis;
 897         }
 898
 899         /* Test VSI needs to receive broadcast packets */
 900         eth_broadcast_addr(broadcast);
 901         if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
 902                 ret = 5;
 903                 goto lbtest_mac_dis;
 904         }
 905
 906         if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
 907                 ret = 7;
 908                 goto remove_mac_filters;
 909         }
 910
 911         num_frames = min_t(int, tx_ring->count, 32);
 912         for (i = 0; i < num_frames; i++) {
 913                 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
 914                         ret = 8;
 915                         goto lbtest_free_frame;
 916                 }
 917         }
 918
 919         valid_frames = ice_lbtest_receive_frames(rx_ring);
 920         if (!valid_frames)
 921                 ret = 9;
 922         else if (valid_frames != num_frames)
 923                 ret = 10;
 924
 925 lbtest_free_frame:
 926         devm_kfree(dev, tx_frame);
 927 remove_mac_filters:
 928         if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
 929                 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
 930 lbtest_mac_dis:
 931         /* Disable MAC loopback after the test is completed. */
 932         if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
 933                 netdev_err(netdev, "Could not disable MAC loopback\n");
 934 lbtest_rings_dis:
 935         if (ice_lbtest_disable_rings(test_vsi))
 936                 netdev_err(netdev, "Could not disable test rings\n");
 937 lbtest_vsi_close:
 938         test_vsi->netdev = NULL;
 939         if (ice_vsi_release(test_vsi))
 940                 netdev_err(netdev, "Failed to remove the test VSI\n");
 941
 942         return ret;
 943 }
 944
 945 /**
 946  * ice_intr_test - perform an interrupt test on a given net_device
 947  * @netdev: network interface device structure
 948  *
 949  * This function performs one of the self-tests required by ethtool.
 950  * Returns 0 on success, non-zero on failure.
 951  */
 952 static u64 ice_intr_test(struct net_device *netdev)
 953 {
 954         struct ice_netdev_priv *np = netdev_priv(netdev);
 955         struct ice_pf *pf = np->vsi->back;
 956         u16 swic_old = pf->sw_int_count;
 957
 958         netdev_info(netdev, "interrupt test\n");
 959
 960         wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
 961              GLINT_DYN_CTL_SW_ITR_INDX_M |
 962              GLINT_DYN_CTL_INTENA_MSK_M |
 963              GLINT_DYN_CTL_SWINT_TRIG_M);
 964
 965         usleep_range(1000, 2000);
 966         return (swic_old == pf->sw_int_count);
 967 }
 968
 969 /**
 970  * ice_self_test - handler function for performing a self-test by ethtool
 971  * @netdev: network interface device structure
 972  * @eth_test: ethtool_test structure
 973  * @data: required by ethtool.self_test
 974  *
 975  * This function is called after invoking 'ethtool -t devname' command where
 976  * devname is the name of the network device on which ethtool should operate.
 977  * It performs a set of self-tests to check if a device works properly.
 978  */
 979 static void
 980 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
 981               u64 *data)
 982 {
 983         struct ice_netdev_priv *np = netdev_priv(netdev);
 984         bool if_running = netif_running(netdev);
 985         struct ice_pf *pf = np->vsi->back;
 986         struct device *dev;
 987
 988         dev = ice_pf_to_dev(pf);
 989
 990         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 991                 netdev_info(netdev, "offline testing starting\n");
 992
 993                 set_bit(ICE_TESTING, pf->state);
 994
 995                 if (ice_active_vfs(pf)) {
 996                         dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
 997                         data[ICE_ETH_TEST_REG] = 1;
 998                         data[ICE_ETH_TEST_EEPROM] = 1;
 999                         data[ICE_ETH_TEST_INTR] = 1;
1000                         data[ICE_ETH_TEST_LOOP] = 1;
1001                         data[ICE_ETH_TEST_LINK] = 1;
1002                         eth_test->flags |= ETH_TEST_FL_FAILED;
1003                         clear_bit(ICE_TESTING, pf->state);
1004                         goto skip_ol_tests;
1005                 }
1006                 /* If the device is online then take it offline */
1007                 if (if_running)
1008                         /* indicate we're in test mode */
1009                         ice_stop(netdev);
1010
1011                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1012                 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1013                 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1014                 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1015                 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1016
1017                 if (data[ICE_ETH_TEST_LINK] ||
1018                     data[ICE_ETH_TEST_EEPROM] ||
1019                     data[ICE_ETH_TEST_LOOP] ||
1020                     data[ICE_ETH_TEST_INTR] ||
1021                     data[ICE_ETH_TEST_REG])
1022                         eth_test->flags |= ETH_TEST_FL_FAILED;
1023
1024                 clear_bit(ICE_TESTING, pf->state);
1025
1026                 if (if_running) {
1027                         int status = ice_open(netdev);
1028
1029                         if (status) {
1030                                 dev_err(dev, "Could not open device %s, err %d\n",
1031                                         pf->int_name, status);
1032                         }
1033                 }
1034         } else {
1035                 /* Online tests */
1036                 netdev_info(netdev, "online testing starting\n");
1037
1038                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1039                 if (data[ICE_ETH_TEST_LINK])
1040                         eth_test->flags |= ETH_TEST_FL_FAILED;
1041
1042                 /* Offline only tests, not run in online; pass by default */
1043                 data[ICE_ETH_TEST_REG] = 0;
1044                 data[ICE_ETH_TEST_EEPROM] = 0;
1045                 data[ICE_ETH_TEST_INTR] = 0;
1046                 data[ICE_ETH_TEST_LOOP] = 0;
1047         }
1048
1049 skip_ol_tests:
1050         netdev_info(netdev, "testing finished\n");
1051 }
1052
1053 static void
1054 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1055                   struct ice_vsi *vsi)
1056 {
1057         unsigned int i;
1058         u8 *p = data;
1059
1060         switch (stringset) {
1061         case ETH_SS_STATS:
1062                 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1063                         ethtool_sprintf(&p,
1064                                         ice_gstrings_vsi_stats[i].stat_string);
1065
1066                 if (ice_is_port_repr_netdev(netdev))
1067                         return;
1068
1069                 ice_for_each_alloc_txq(vsi, i) {
1070                         ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1071                         ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1072                 }
1073
1074                 ice_for_each_alloc_rxq(vsi, i) {
1075                         ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1076                         ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1077                 }
1078
1079                 if (vsi->type != ICE_VSI_PF)
1080                         return;
1081
1082                 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1083                         ethtool_sprintf(&p,
1084                                         ice_gstrings_pf_stats[i].stat_string);
1085
1086                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1087                         ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1088                         ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1089                 }
1090                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1091                         ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1092                         ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1093                 }
1094                 break;
1095         case ETH_SS_TEST:
1096                 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1097                 break;
1098         case ETH_SS_PRIV_FLAGS:
1099                 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1100                         ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
1101                 break;
1102         default:
1103                 break;
1104         }
1105 }
1106
1107 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1108 {
1109         struct ice_netdev_priv *np = netdev_priv(netdev);
1110
1111         __ice_get_strings(netdev, stringset, data, np->vsi);
1112 }
1113
1114 static int
1115 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1116 {
1117         struct ice_netdev_priv *np = netdev_priv(netdev);
1118         bool led_active;
1119
1120         switch (state) {
1121         case ETHTOOL_ID_ACTIVE:
1122                 led_active = true;
1123                 break;
1124         case ETHTOOL_ID_INACTIVE:
1125                 led_active = false;
1126                 break;
1127         default:
1128                 return -EINVAL;
1129         }
1130
1131         if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1132                 return -EIO;
1133
1134         return 0;
1135 }
1136
1137 /**
1138  * ice_set_fec_cfg - Set link FEC options
1139  * @netdev: network interface device structure
1140  * @req_fec: FEC mode to configure
1141  */
1142 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1143 {
1144         struct ice_netdev_priv *np = netdev_priv(netdev);
1145         struct ice_aqc_set_phy_cfg_data config = { 0 };
1146         struct ice_vsi *vsi = np->vsi;
1147         struct ice_port_info *pi;
1148
1149         pi = vsi->port_info;
1150         if (!pi)
1151                 return -EOPNOTSUPP;
1152
1153         /* Changing the FEC parameters is not supported if not the PF VSI */
1154         if (vsi->type != ICE_VSI_PF) {
1155                 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1156                 return -EOPNOTSUPP;
1157         }
1158
1159         /* Proceed only if requesting different FEC mode */
1160         if (pi->phy.curr_user_fec_req == req_fec)
1161                 return 0;
1162
1163         /* Copy the current user PHY configuration. The current user PHY
1164          * configuration is initialized during probe from PHY capabilities
1165          * software mode, and updated on set PHY configuration.
1166          */
1167         memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1168
1169         ice_cfg_phy_fec(pi, &config, req_fec);
1170         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1171
1172         if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1173                 return -EAGAIN;
1174
1175         /* Save requested FEC config */
1176         pi->phy.curr_user_fec_req = req_fec;
1177
1178         return 0;
1179 }
1180
1181 /**
1182  * ice_set_fecparam - Set FEC link options
1183  * @netdev: network interface device structure
1184  * @fecparam: Ethtool structure to retrieve FEC parameters
1185  */
1186 static int
1187 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1188 {
1189         struct ice_netdev_priv *np = netdev_priv(netdev);
1190         struct ice_vsi *vsi = np->vsi;
1191         enum ice_fec_mode fec;
1192
1193         switch (fecparam->fec) {
1194         case ETHTOOL_FEC_AUTO:
1195                 fec = ICE_FEC_AUTO;
1196                 break;
1197         case ETHTOOL_FEC_RS:
1198                 fec = ICE_FEC_RS;
1199                 break;
1200         case ETHTOOL_FEC_BASER:
1201                 fec = ICE_FEC_BASER;
1202                 break;
1203         case ETHTOOL_FEC_OFF:
1204         case ETHTOOL_FEC_NONE:
1205                 fec = ICE_FEC_NONE;
1206                 break;
1207         default:
1208                 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1209                          fecparam->fec);
1210                 return -EINVAL;
1211         }
1212
1213         return ice_set_fec_cfg(netdev, fec);
1214 }
1215
1216 /**
1217  * ice_get_fecparam - Get link FEC options
1218  * @netdev: network interface device structure
1219  * @fecparam: Ethtool structure to retrieve FEC parameters
1220  */
1221 static int
1222 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1223 {
1224         struct ice_netdev_priv *np = netdev_priv(netdev);
1225         struct ice_aqc_get_phy_caps_data *caps;
1226         struct ice_link_status *link_info;
1227         struct ice_vsi *vsi = np->vsi;
1228         struct ice_port_info *pi;
1229         int err;
1230
1231         pi = vsi->port_info;
1232
1233         if (!pi)
1234                 return -EOPNOTSUPP;
1235         link_info = &pi->phy.link_info;
1236
1237         /* Set FEC mode based on negotiated link info */
1238         switch (link_info->fec_info) {
1239         case ICE_AQ_LINK_25G_KR_FEC_EN:
1240                 fecparam->active_fec = ETHTOOL_FEC_BASER;
1241                 break;
1242         case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1243         case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1244                 fecparam->active_fec = ETHTOOL_FEC_RS;
1245                 break;
1246         default:
1247                 fecparam->active_fec = ETHTOOL_FEC_OFF;
1248                 break;
1249         }
1250
1251         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1252         if (!caps)
1253                 return -ENOMEM;
1254
1255         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1256                                   caps, NULL);
1257         if (err)
1258                 goto done;
1259
1260         /* Set supported/configured FEC modes based on PHY capability */
1261         if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1262                 fecparam->fec |= ETHTOOL_FEC_AUTO;
1263         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1264             caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1265             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1266             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1267                 fecparam->fec |= ETHTOOL_FEC_BASER;
1268         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1269             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1270             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1271                 fecparam->fec |= ETHTOOL_FEC_RS;
1272         if (caps->link_fec_options == 0)
1273                 fecparam->fec |= ETHTOOL_FEC_OFF;
1274
1275 done:
1276         kfree(caps);
1277         return err;
1278 }
1279
1280 /**
1281  * ice_nway_reset - restart autonegotiation
1282  * @netdev: network interface device structure
1283  */
1284 static int ice_nway_reset(struct net_device *netdev)
1285 {
1286         struct ice_netdev_priv *np = netdev_priv(netdev);
1287         struct ice_vsi *vsi = np->vsi;
1288         int err;
1289
1290         /* If VSI state is up, then restart autoneg with link up */
1291         if (!test_bit(ICE_DOWN, vsi->back->state))
1292                 err = ice_set_link(vsi, true);
1293         else
1294                 err = ice_set_link(vsi, false);
1295
1296         return err;
1297 }
1298
1299 /**
1300  * ice_get_priv_flags - report device private flags
1301  * @netdev: network interface device structure
1302  *
1303  * The get string set count and the string set should be matched for each
1304  * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
1305  * array.
1306  *
1307  * Returns a u32 bitmap of flags.
1308  */
1309 static u32 ice_get_priv_flags(struct net_device *netdev)
1310 {
1311         struct ice_netdev_priv *np = netdev_priv(netdev);
1312         struct ice_vsi *vsi = np->vsi;
1313         struct ice_pf *pf = vsi->back;
1314         u32 i, ret_flags = 0;
1315
1316         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1317                 const struct ice_priv_flag *priv_flag;
1318
1319                 priv_flag = &ice_gstrings_priv_flags[i];
1320
1321                 if (test_bit(priv_flag->bitno, pf->flags))
1322                         ret_flags |= BIT(i);
1323         }
1324
1325         return ret_flags;
1326 }
1327
1328 /**
1329  * ice_set_priv_flags - set private flags
1330  * @netdev: network interface device structure
1331  * @flags: bit flags to be set
1332  */
1333 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1334 {
1335         struct ice_netdev_priv *np = netdev_priv(netdev);
1336         DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1337         DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1338         struct ice_vsi *vsi = np->vsi;
1339         struct ice_pf *pf = vsi->back;
1340         struct device *dev;
1341         int ret = 0;
1342         u32 i;
1343
1344         if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1345                 return -EINVAL;
1346
1347         dev = ice_pf_to_dev(pf);
1348         set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1349
1350         bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1351         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1352                 const struct ice_priv_flag *priv_flag;
1353
1354                 priv_flag = &ice_gstrings_priv_flags[i];
1355
1356                 if (flags & BIT(i))
1357                         set_bit(priv_flag->bitno, pf->flags);
1358                 else
1359                         clear_bit(priv_flag->bitno, pf->flags);
1360         }
1361
1362         bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1363
1364         /* Do not allow change to link-down-on-close when Total Port Shutdown
1365          * is enabled.
1366          */
1367         if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1368             test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1369                 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1370                 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1371                 ret = -EINVAL;
1372                 goto ethtool_exit;
1373         }
1374
1375         if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1376                 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1377                         int status;
1378
1379                         /* Disable FW LLDP engine */
1380                         status = ice_cfg_lldp_mib_change(&pf->hw, false);
1381
1382                         /* If unregistering for LLDP events fails, this is
1383                          * not an error state, as there shouldn't be any
1384                          * events to respond to.
1385                          */
1386                         if (status)
1387                                 dev_info(dev, "Failed to unreg for LLDP events\n");
1388
1389                         /* The AQ call to stop the FW LLDP agent will generate
1390                          * an error if the agent is already stopped.
1391                          */
1392                         status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1393                         if (status)
1394                                 dev_warn(dev, "Fail to stop LLDP agent\n");
1395                         /* Use case for having the FW LLDP agent stopped
1396                          * will likely not need DCB, so failure to init is
1397                          * not a concern of ethtool
1398                          */
1399                         status = ice_init_pf_dcb(pf, true);
1400                         if (status)
1401                                 dev_warn(dev, "Fail to init DCB\n");
1402
1403                         pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1404                         pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1405                 } else {
1406                         bool dcbx_agent_status;
1407                         int status;
1408
1409                         if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1410                                 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1411                                 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1412                                 ret = -EOPNOTSUPP;
1413                                 goto ethtool_exit;
1414                         }
1415
1416                         /* Remove rule to direct LLDP packets to default VSI.
1417                          * The FW LLDP engine will now be consuming them.
1418                          */
1419                         ice_cfg_sw_lldp(vsi, false, false);
1420
1421                         /* AQ command to start FW LLDP agent will return an
1422                          * error if the agent is already started
1423                          */
1424                         status = ice_aq_start_lldp(&pf->hw, true, NULL);
1425                         if (status)
1426                                 dev_warn(dev, "Fail to start LLDP Agent\n");
1427
1428                         /* AQ command to start FW DCBX agent will fail if
1429                          * the agent is already started
1430                          */
1431                         status = ice_aq_start_stop_dcbx(&pf->hw, true,
1432                                                         &dcbx_agent_status,
1433                                                         NULL);
1434                         if (status)
1435                                 dev_dbg(dev, "Failed to start FW DCBX\n");
1436
1437                         dev_info(dev, "FW DCBX agent is %s\n",
1438                                  dcbx_agent_status ? "ACTIVE" : "DISABLED");
1439
1440                         /* Failure to configure MIB change or init DCB is not
1441                          * relevant to ethtool.  Print notification that
1442                          * registration/init failed but do not return error
1443                          * state to ethtool
1444                          */
1445                         status = ice_init_pf_dcb(pf, true);
1446                         if (status)
1447                                 dev_dbg(dev, "Fail to init DCB\n");
1448
1449                         /* Register for MIB change events */
1450                         status = ice_cfg_lldp_mib_change(&pf->hw, true);
1451                         if (status)
1452                                 dev_dbg(dev, "Fail to enable MIB change events\n");
1453
1454                         pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1455                         pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1456
1457                         ice_nway_reset(netdev);
1458                 }
1459         }
1460         if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1461                 /* down and up VSI so that changes of Rx cfg are reflected. */
1462                 ice_down_up(vsi);
1463         }
1464         /* don't allow modification of this flag when a single VF is in
1465          * promiscuous mode because it's not supported
1466          */
1467         if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1468             ice_is_any_vf_in_unicast_promisc(pf)) {
1469                 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1470                 /* toggle bit back to previous state */
1471                 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1472                 ret = -EAGAIN;
1473         }
1474
1475         if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1476             ice_has_vfs(pf)) {
1477                 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1478                 /* toggle bit back to previous state */
1479                 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1480                 ret = -EOPNOTSUPP;
1481         }
1482 ethtool_exit:
1483         clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1484         return ret;
1485 }
1486
1487 static int ice_get_sset_count(struct net_device *netdev, int sset)
1488 {
1489         switch (sset) {
1490         case ETH_SS_STATS:
1491                 /* The number (and order) of strings reported *must* remain
1492                  * constant for a given netdevice. This function must not
1493                  * report a different number based on run time parameters
1494                  * (such as the number of queues in use, or the setting of
1495                  * a private ethtool flag). This is due to the nature of the
1496                  * ethtool stats API.
1497                  *
1498                  * Userspace programs such as ethtool must make 3 separate
1499                  * ioctl requests, one for size, one for the strings, and
1500                  * finally one for the stats. Since these cross into
1501                  * userspace, changes to the number or size could result in
1502                  * undefined memory access or incorrect string<->value
1503                  * correlations for statistics.
1504                  *
1505                  * Even if it appears to be safe, changes to the size or
1506                  * order of strings will suffer from race conditions and are
1507                  * not safe.
1508                  */
1509                 return ICE_ALL_STATS_LEN(netdev);
1510         case ETH_SS_TEST:
1511                 return ICE_TEST_LEN;
1512         case ETH_SS_PRIV_FLAGS:
1513                 return ICE_PRIV_FLAG_ARRAY_SIZE;
1514         default:
1515                 return -EOPNOTSUPP;
1516         }
1517 }
1518
1519 static void
1520 __ice_get_ethtool_stats(struct net_device *netdev,
1521                         struct ethtool_stats __always_unused *stats, u64 *data,
1522                         struct ice_vsi *vsi)
1523 {
1524         struct ice_pf *pf = vsi->back;
1525         struct ice_tx_ring *tx_ring;
1526         struct ice_rx_ring *rx_ring;
1527         unsigned int j;
1528         int i = 0;
1529         char *p;
1530
1531         ice_update_pf_stats(pf);
1532         ice_update_vsi_stats(vsi);
1533
1534         for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1535                 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1536                 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1537                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1538         }
1539
1540         if (ice_is_port_repr_netdev(netdev))
1541                 return;
1542
1543         /* populate per queue stats */
1544         rcu_read_lock();
1545
1546         ice_for_each_alloc_txq(vsi, j) {
1547                 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1548                 if (tx_ring && tx_ring->ring_stats) {
1549                         data[i++] = tx_ring->ring_stats->stats.pkts;
1550                         data[i++] = tx_ring->ring_stats->stats.bytes;
1551                 } else {
1552                         data[i++] = 0;
1553                         data[i++] = 0;
1554                 }
1555         }
1556
1557         ice_for_each_alloc_rxq(vsi, j) {
1558                 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1559                 if (rx_ring && rx_ring->ring_stats) {
1560                         data[i++] = rx_ring->ring_stats->stats.pkts;
1561                         data[i++] = rx_ring->ring_stats->stats.bytes;
1562                 } else {
1563                         data[i++] = 0;
1564                         data[i++] = 0;
1565                 }
1566         }
1567
1568         rcu_read_unlock();
1569
1570         if (vsi->type != ICE_VSI_PF)
1571                 return;
1572
1573         for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1574                 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1575                 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1576                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1577         }
1578
1579         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1580                 data[i++] = pf->stats.priority_xon_tx[j];
1581                 data[i++] = pf->stats.priority_xoff_tx[j];
1582         }
1583
1584         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1585                 data[i++] = pf->stats.priority_xon_rx[j];
1586                 data[i++] = pf->stats.priority_xoff_rx[j];
1587         }
1588 }
1589
1590 static void
1591 ice_get_ethtool_stats(struct net_device *netdev,
1592                       struct ethtool_stats __always_unused *stats, u64 *data)
1593 {
1594         struct ice_netdev_priv *np = netdev_priv(netdev);
1595
1596         __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
1597 }
1598
1599 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G    (ICE_PHY_TYPE_LOW_100BASE_TX | \
1600                                          ICE_PHY_TYPE_LOW_100M_SGMII)
1601
1602 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G   (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1603                                          ICE_PHY_TYPE_LOW_1000BASE_T | \
1604                                          ICE_PHY_TYPE_LOW_1000BASE_SX | \
1605                                          ICE_PHY_TYPE_LOW_1000BASE_LX | \
1606                                          ICE_PHY_TYPE_LOW_1000BASE_KX | \
1607                                          ICE_PHY_TYPE_LOW_1G_SGMII | \
1608                                          ICE_PHY_TYPE_LOW_2500BASE_T | \
1609                                          ICE_PHY_TYPE_LOW_2500BASE_X | \
1610                                          ICE_PHY_TYPE_LOW_2500BASE_KX | \
1611                                          ICE_PHY_TYPE_LOW_5GBASE_T | \
1612                                          ICE_PHY_TYPE_LOW_5GBASE_KR | \
1613                                          ICE_PHY_TYPE_LOW_10GBASE_T | \
1614                                          ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1615                                          ICE_PHY_TYPE_LOW_10GBASE_SR | \
1616                                          ICE_PHY_TYPE_LOW_10GBASE_LR | \
1617                                          ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1618                                          ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1619                                          ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1620
1621 #define ICE_PHY_TYPE_LOW_MASK_100G      (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1622                                          ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1623                                          ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1624                                          ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1625                                          ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1626                                          ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1627                                          ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1628                                          ICE_PHY_TYPE_LOW_100G_AUI4 | \
1629                                          ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1630                                          ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1631                                          ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1632                                          ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1633                                          ICE_PHY_TYPE_LOW_100GBASE_DR)
1634
1635 #define ICE_PHY_TYPE_HIGH_MASK_100G     (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1636                                          ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1637                                          ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1638                                          ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1639                                          ICE_PHY_TYPE_HIGH_100G_AUI2)
1640
1641 /**
1642  * ice_mask_min_supported_speeds
1643  * @hw: pointer to the HW structure
1644  * @phy_types_high: PHY type high
1645  * @phy_types_low: PHY type low to apply minimum supported speeds mask
1646  *
1647  * Apply minimum supported speeds mask to PHY type low. These are the speeds
1648  * for ethtool supported link mode.
1649  */
1650 static void
1651 ice_mask_min_supported_speeds(struct ice_hw *hw,
1652                               u64 phy_types_high, u64 *phy_types_low)
1653 {
1654         /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1655         if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
1656             phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
1657                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1658         else if (!ice_is_100m_speed_supported(hw))
1659                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1660 }
1661
1662 /**
1663  * ice_linkmode_set_bit - set link mode bit
1664  * @phy_to_ethtool: PHY type to ethtool link mode struct to set
1665  * @ks: ethtool link ksettings struct to fill out
1666  * @req_speeds: speed requested by user
1667  * @advert_phy_type: advertised PHY type
1668  * @phy_type: PHY type
1669  */
1670 static void
1671 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
1672                      struct ethtool_link_ksettings *ks, u32 req_speeds,
1673                      u64 advert_phy_type, u32 phy_type)
1674 {
1675         linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);
1676
1677         if (req_speeds & phy_to_ethtool->aq_link_speed ||
1678             (!req_speeds && advert_phy_type & BIT(phy_type)))
1679                 linkmode_set_bit(phy_to_ethtool->link_mode,
1680                                  ks->link_modes.advertising);
1681 }
1682
1683 /**
1684  * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1685  * @netdev: network interface device structure
1686  * @ks: ethtool link ksettings struct to fill out
1687  */
1688 static void
1689 ice_phy_type_to_ethtool(struct net_device *netdev,
1690                         struct ethtool_link_ksettings *ks)
1691 {
1692         struct ice_netdev_priv *np = netdev_priv(netdev);
1693         struct ice_vsi *vsi = np->vsi;
1694         struct ice_pf *pf = vsi->back;
1695         u64 advert_phy_type_lo = 0;
1696         u64 advert_phy_type_hi = 0;
1697         u64 phy_types_high = 0;
1698         u64 phy_types_low = 0;
1699         u32 req_speeds;
1700         u32 i;
1701
1702         req_speeds = vsi->port_info->phy.link_info.req_speeds;
1703
1704         /* Check if lenient mode is supported and enabled, or in strict mode.
1705          *
1706          * In lenient mode the Supported link modes are the PHY types without
1707          * media. The Advertising link mode is either 1. the user requested
1708          * speed, 2. the override PHY mask, or 3. the PHY types with media.
1709          *
1710          * In strict mode Supported link mode are the PHY type with media,
1711          * and Advertising link modes are the media PHY type or the speed
1712          * requested by user.
1713          */
1714         if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1715                 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1716                 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1717
1718                 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
1719                                               &phy_types_low);
1720                 /* determine advertised modes based on link override only
1721                  * if it's supported and if the FW doesn't abstract the
1722                  * driver from having to account for link overrides
1723                  */
1724                 if (ice_fw_supports_link_override(&pf->hw) &&
1725                     !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1726                         struct ice_link_default_override_tlv *ldo;
1727
1728                         ldo = &pf->link_dflt_override;
1729                         /* If override enabled and PHY mask set, then
1730                          * Advertising link mode is the intersection of the PHY
1731                          * types without media and the override PHY mask.
1732                          */
1733                         if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1734                             (ldo->phy_type_low || ldo->phy_type_high)) {
1735                                 advert_phy_type_lo =
1736                                         le64_to_cpu(pf->nvm_phy_type_lo) &
1737                                         ldo->phy_type_low;
1738                                 advert_phy_type_hi =
1739                                         le64_to_cpu(pf->nvm_phy_type_hi) &
1740                                         ldo->phy_type_high;
1741                         }
1742                 }
1743         } else {
1744                 /* strict mode */
1745                 phy_types_low = vsi->port_info->phy.phy_type_low;
1746                 phy_types_high = vsi->port_info->phy.phy_type_high;
1747         }
1748
1749         /* If Advertising link mode PHY type is not using override PHY type,
1750          * then use PHY type with media.
1751          */
1752         if (!advert_phy_type_lo && !advert_phy_type_hi) {
1753                 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1754                 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1755         }
1756
1757         linkmode_zero(ks->link_modes.supported);
1758         linkmode_zero(ks->link_modes.advertising);
1759
1760         for (i = 0; i < BITS_PER_TYPE(u64); i++) {
1761                 if (phy_types_low & BIT_ULL(i))
1762                         ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,
1763                                              req_speeds, advert_phy_type_lo,
1764                                              i);
1765         }
1766
1767         for (i = 0; i < BITS_PER_TYPE(u64); i++) {
1768                 if (phy_types_high & BIT_ULL(i))
1769                         ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,
1770                                              req_speeds, advert_phy_type_hi,
1771                                              i);
1772         }
1773 }
1774
1775 #define TEST_SET_BITS_TIMEOUT   50
1776 #define TEST_SET_BITS_SLEEP_MAX 2000
1777 #define TEST_SET_BITS_SLEEP_MIN 1000
1778
1779 /**
1780  * ice_get_settings_link_up - Get Link settings for when link is up
1781  * @ks: ethtool ksettings to fill in
1782  * @netdev: network interface device structure
1783  */
1784 static void
1785 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1786                          struct net_device *netdev)
1787 {
1788         struct ice_netdev_priv *np = netdev_priv(netdev);
1789         struct ice_port_info *pi = np->vsi->port_info;
1790         struct ice_link_status *link_info;
1791         struct ice_vsi *vsi = np->vsi;
1792
1793         link_info = &vsi->port_info->phy.link_info;
1794
1795         /* Get supported and advertised settings from PHY ability with media */
1796         ice_phy_type_to_ethtool(netdev, ks);
1797
1798         switch (link_info->link_speed) {
1799         case ICE_AQ_LINK_SPEED_100GB:
1800                 ks->base.speed = SPEED_100000;
1801                 break;
1802         case ICE_AQ_LINK_SPEED_50GB:
1803                 ks->base.speed = SPEED_50000;
1804                 break;
1805         case ICE_AQ_LINK_SPEED_40GB:
1806                 ks->base.speed = SPEED_40000;
1807                 break;
1808         case ICE_AQ_LINK_SPEED_25GB:
1809                 ks->base.speed = SPEED_25000;
1810                 break;
1811         case ICE_AQ_LINK_SPEED_20GB:
1812                 ks->base.speed = SPEED_20000;
1813                 break;
1814         case ICE_AQ_LINK_SPEED_10GB:
1815                 ks->base.speed = SPEED_10000;
1816                 break;
1817         case ICE_AQ_LINK_SPEED_5GB:
1818                 ks->base.speed = SPEED_5000;
1819                 break;
1820         case ICE_AQ_LINK_SPEED_2500MB:
1821                 ks->base.speed = SPEED_2500;
1822                 break;
1823         case ICE_AQ_LINK_SPEED_1000MB:
1824                 ks->base.speed = SPEED_1000;
1825                 break;
1826         case ICE_AQ_LINK_SPEED_100MB:
1827                 ks->base.speed = SPEED_100;
1828                 break;
1829         default:
1830                 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1831                             link_info->link_speed);
1832                 break;
1833         }
1834         ks->base.duplex = DUPLEX_FULL;
1835
1836         if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1837                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1838                                                      Autoneg);
1839
1840         /* Set flow control negotiated Rx/Tx pause */
1841         switch (pi->fc.current_mode) {
1842         case ICE_FC_FULL:
1843                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1844                 break;
1845         case ICE_FC_TX_PAUSE:
1846                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1847                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1848                                                      Asym_Pause);
1849                 break;
1850         case ICE_FC_RX_PAUSE:
1851                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1852                                                      Asym_Pause);
1853                 break;
1854         case ICE_FC_PFC:
1855         default:
1856                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1857                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1858                                                      Asym_Pause);
1859                 break;
1860         }
1861 }
1862
1863 /**
1864  * ice_get_settings_link_down - Get the Link settings when link is down
1865  * @ks: ethtool ksettings to fill in
1866  * @netdev: network interface device structure
1867  *
1868  * Reports link settings that can be determined when link is down
1869  */
1870 static void
1871 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1872                            struct net_device *netdev)
1873 {
1874         /* link is down and the driver needs to fall back on
1875          * supported PHY types to figure out what info to display
1876          */
1877         ice_phy_type_to_ethtool(netdev, ks);
1878
1879         /* With no link, speed and duplex are unknown */
1880         ks->base.speed = SPEED_UNKNOWN;
1881         ks->base.duplex = DUPLEX_UNKNOWN;
1882 }
1883
1884 /**
1885  * ice_get_link_ksettings - Get Link Speed and Duplex settings
1886  * @netdev: network interface device structure
1887  * @ks: ethtool ksettings
1888  *
1889  * Reports speed/duplex settings based on media_type
1890  */
1891 static int
1892 ice_get_link_ksettings(struct net_device *netdev,
1893                        struct ethtool_link_ksettings *ks)
1894 {
1895         struct ice_netdev_priv *np = netdev_priv(netdev);
1896         struct ice_aqc_get_phy_caps_data *caps;
1897         struct ice_link_status *hw_link_info;
1898         struct ice_vsi *vsi = np->vsi;
1899         int err;
1900
1901         ethtool_link_ksettings_zero_link_mode(ks, supported);
1902         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1903         ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1904         hw_link_info = &vsi->port_info->phy.link_info;
1905
1906         /* set speed and duplex */
1907         if (hw_link_info->link_info & ICE_AQ_LINK_UP)
1908                 ice_get_settings_link_up(ks, netdev);
1909         else
1910                 ice_get_settings_link_down(ks, netdev);
1911
1912         /* set autoneg settings */
1913         ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
1914                 AUTONEG_ENABLE : AUTONEG_DISABLE;
1915
1916         /* set media type settings */
1917         switch (vsi->port_info->phy.media_type) {
1918         case ICE_MEDIA_FIBER:
1919                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1920                 ks->base.port = PORT_FIBRE;
1921                 break;
1922         case ICE_MEDIA_BASET:
1923                 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
1924                 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
1925                 ks->base.port = PORT_TP;
1926                 break;
1927         case ICE_MEDIA_BACKPLANE:
1928                 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
1929                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1930                                                      Backplane);
1931                 ks->base.port = PORT_NONE;
1932                 break;
1933         case ICE_MEDIA_DA:
1934                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1935                 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
1936                 ks->base.port = PORT_DA;
1937                 break;
1938         default:
1939                 ks->base.port = PORT_OTHER;
1940                 break;
1941         }
1942
1943         /* flow control is symmetric and always supported */
1944         ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
1945
1946         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1947         if (!caps)
1948                 return -ENOMEM;
1949
1950         err = ice_aq_get_phy_caps(vsi->port_info, false,
1951                                   ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
1952         if (err)
1953                 goto done;
1954
1955         /* Set the advertised flow control based on the PHY capability */
1956         if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
1957             (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
1958                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
1959                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1960                                                      Asym_Pause);
1961         } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
1962                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1963                                                      Asym_Pause);
1964         } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
1965                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
1966                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1967                                                      Asym_Pause);
1968         } else {
1969                 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
1970                 ethtool_link_ksettings_del_link_mode(ks, advertising,
1971                                                      Asym_Pause);
1972         }
1973
1974         /* Set advertised FEC modes based on PHY capability */
1975         ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
1976
1977         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1978             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1979                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1980                                                      FEC_BASER);
1981         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1982             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
1983                 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
1984
1985         err = ice_aq_get_phy_caps(vsi->port_info, false,
1986                                   ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
1987         if (err)
1988                 goto done;
1989
1990         /* Set supported FEC modes based on PHY capability */
1991         ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
1992
1993         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1994             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
1995                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
1996         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1997                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
1998
1999         /* Set supported and advertised autoneg */
2000         if (ice_is_phy_caps_an_enabled(caps)) {
2001                 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2002                 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2003         }
2004
2005 done:
2006         kfree(caps);
2007         return err;
2008 }
2009
2010 /**
2011  * ice_ksettings_find_adv_link_speed - Find advertising link speed
2012  * @ks: ethtool ksettings
2013  */
2014 static u16
2015 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2016 {
2017         u16 adv_link_speed = 0;
2018
2019         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2020                                                   100baseT_Full))
2021                 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
2022         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2023                                                   1000baseX_Full) ||
2024             ethtool_link_ksettings_test_link_mode(ks, advertising,
2025                                                   1000baseT_Full) ||
2026             ethtool_link_ksettings_test_link_mode(ks, advertising,
2027                                                   1000baseKX_Full))
2028                 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2029         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2030                                                   2500baseT_Full) ||
2031             ethtool_link_ksettings_test_link_mode(ks, advertising,
2032                                                   2500baseX_Full))
2033                 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2034         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2035                                                   5000baseT_Full))
2036                 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
2037         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2038                                                   10000baseT_Full) ||
2039             ethtool_link_ksettings_test_link_mode(ks, advertising,
2040                                                   10000baseKR_Full) ||
2041             ethtool_link_ksettings_test_link_mode(ks, advertising,
2042                                                   10000baseSR_Full) ||
2043             ethtool_link_ksettings_test_link_mode(ks, advertising,
2044                                                   10000baseLR_Full))
2045                 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2046         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2047                                                   25000baseCR_Full) ||
2048             ethtool_link_ksettings_test_link_mode(ks, advertising,
2049                                                   25000baseSR_Full) ||
2050             ethtool_link_ksettings_test_link_mode(ks, advertising,
2051                                                   25000baseKR_Full))
2052                 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
2053         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2054                                                   40000baseCR4_Full) ||
2055             ethtool_link_ksettings_test_link_mode(ks, advertising,
2056                                                   40000baseSR4_Full) ||
2057             ethtool_link_ksettings_test_link_mode(ks, advertising,
2058                                                   40000baseLR4_Full) ||
2059             ethtool_link_ksettings_test_link_mode(ks, advertising,
2060                                                   40000baseKR4_Full))
2061                 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2062         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2063                                                   50000baseCR2_Full) ||
2064             ethtool_link_ksettings_test_link_mode(ks, advertising,
2065                                                   50000baseKR2_Full) ||
2066             ethtool_link_ksettings_test_link_mode(ks, advertising,
2067                                                   50000baseSR2_Full))
2068                 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2069         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2070                                                   100000baseCR4_Full) ||
2071             ethtool_link_ksettings_test_link_mode(ks, advertising,
2072                                                   100000baseSR4_Full) ||
2073             ethtool_link_ksettings_test_link_mode(ks, advertising,
2074                                                   100000baseLR4_ER4_Full) ||
2075             ethtool_link_ksettings_test_link_mode(ks, advertising,
2076                                                   100000baseKR4_Full) ||
2077             ethtool_link_ksettings_test_link_mode(ks, advertising,
2078                                                   100000baseCR2_Full) ||
2079             ethtool_link_ksettings_test_link_mode(ks, advertising,
2080                                                   100000baseSR2_Full) ||
2081             ethtool_link_ksettings_test_link_mode(ks, advertising,
2082                                                   100000baseKR2_Full))
2083                 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2084
2085         return adv_link_speed;
2086 }
2087
2088 /**
2089  * ice_setup_autoneg
2090  * @p: port info
2091  * @ks: ethtool_link_ksettings
2092  * @config: configuration that will be sent down to FW
2093  * @autoneg_enabled: autonegotiation is enabled or not
2094  * @autoneg_changed: will there a change in autonegotiation
2095  * @netdev: network interface device structure
2096  *
2097  * Setup PHY autonegotiation feature
2098  */
2099 static int
2100 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2101                   struct ice_aqc_set_phy_cfg_data *config,
2102                   u8 autoneg_enabled, u8 *autoneg_changed,
2103                   struct net_device *netdev)
2104 {
2105         int err = 0;
2106
2107         *autoneg_changed = 0;
2108
2109         /* Check autoneg */
2110         if (autoneg_enabled == AUTONEG_ENABLE) {
2111                 /* If autoneg was not already enabled */
2112                 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2113                         /* If autoneg is not supported, return error */
2114                         if (!ethtool_link_ksettings_test_link_mode(ks,
2115                                                                    supported,
2116                                                                    Autoneg)) {
2117                                 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2118                                 err = -EINVAL;
2119                         } else {
2120                                 /* Autoneg is allowed to change */
2121                                 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2122                                 *autoneg_changed = 1;
2123                         }
2124                 }
2125         } else {
2126                 /* If autoneg is currently enabled */
2127                 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2128                         /* If autoneg is supported 10GBASE_T is the only PHY
2129                          * that can disable it, so otherwise return error
2130                          */
2131                         if (ethtool_link_ksettings_test_link_mode(ks,
2132                                                                   supported,
2133                                                                   Autoneg)) {
2134                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2135                                 err = -EINVAL;
2136                         } else {
2137                                 /* Autoneg is allowed to change */
2138                                 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2139                                 *autoneg_changed = 1;
2140                         }
2141                 }
2142         }
2143
2144         return err;
2145 }
2146
2147 /**
2148  * ice_set_phy_type_from_speed - set phy_types based on speeds
2149  * and advertised modes
2150  * @ks: ethtool link ksettings struct
2151  * @phy_type_low: pointer to the lower part of phy_type
2152  * @phy_type_high: pointer to the higher part of phy_type
2153  * @adv_link_speed: targeted link speeds bitmap
2154  */
2155 static void
2156 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2157                             u64 *phy_type_low, u64 *phy_type_high,
2158                             u16 adv_link_speed)
2159 {
2160         /* Handle 1000M speed in a special way because ice_update_phy_type
2161          * enables all link modes, but having mixed copper and optical
2162          * standards is not supported.
2163          */
2164         adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2165
2166         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2167                                                   1000baseT_Full))
2168                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2169                                  ICE_PHY_TYPE_LOW_1G_SGMII;
2170
2171         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2172                                                   1000baseKX_Full))
2173                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2174
2175         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2176                                                   1000baseX_Full))
2177                 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2178                                  ICE_PHY_TYPE_LOW_1000BASE_LX;
2179
2180         ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2181 }
2182
2183 /**
2184  * ice_set_link_ksettings - Set Speed and Duplex
2185  * @netdev: network interface device structure
2186  * @ks: ethtool ksettings
2187  *
2188  * Set speed/duplex per media_types advertised/forced
2189  */
2190 static int
2191 ice_set_link_ksettings(struct net_device *netdev,
2192                        const struct ethtool_link_ksettings *ks)
2193 {
2194         struct ice_netdev_priv *np = netdev_priv(netdev);
2195         u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2196         struct ethtool_link_ksettings copy_ks = *ks;
2197         struct ethtool_link_ksettings safe_ks = {};
2198         struct ice_aqc_get_phy_caps_data *phy_caps;
2199         struct ice_aqc_set_phy_cfg_data config;
2200         u16 adv_link_speed, curr_link_speed;
2201         struct ice_pf *pf = np->vsi->back;
2202         struct ice_port_info *pi;
2203         u8 autoneg_changed = 0;
2204         u64 phy_type_high = 0;
2205         u64 phy_type_low = 0;
2206         bool linkup;
2207         int err;
2208
2209         pi = np->vsi->port_info;
2210
2211         if (!pi)
2212                 return -EIO;
2213
2214         if (pi->phy.media_type != ICE_MEDIA_BASET &&
2215             pi->phy.media_type != ICE_MEDIA_FIBER &&
2216             pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2217             pi->phy.media_type != ICE_MEDIA_DA &&
2218             pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2219                 return -EOPNOTSUPP;
2220
2221         phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2222         if (!phy_caps)
2223                 return -ENOMEM;
2224
2225         /* Get the PHY capabilities based on media */
2226         if (ice_fw_supports_report_dflt_cfg(pi->hw))
2227                 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2228                                           phy_caps, NULL);
2229         else
2230                 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2231                                           phy_caps, NULL);
2232         if (err)
2233                 goto done;
2234
2235         /* save autoneg out of ksettings */
2236         autoneg = copy_ks.base.autoneg;
2237
2238         /* Get link modes supported by hardware.*/
2239         ice_phy_type_to_ethtool(netdev, &safe_ks);
2240
2241         /* and check against modes requested by user.
2242          * Return an error if unsupported mode was set.
2243          */
2244         if (!bitmap_subset(copy_ks.link_modes.advertising,
2245                            safe_ks.link_modes.supported,
2246                            __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2247                 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2248                         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");
2249                 err = -EOPNOTSUPP;
2250                 goto done;
2251         }
2252
2253         /* get our own copy of the bits to check against */
2254         memset(&safe_ks, 0, sizeof(safe_ks));
2255         safe_ks.base.cmd = copy_ks.base.cmd;
2256         safe_ks.base.link_mode_masks_nwords =
2257                 copy_ks.base.link_mode_masks_nwords;
2258         ice_get_link_ksettings(netdev, &safe_ks);
2259
2260         /* set autoneg back to what it currently is */
2261         copy_ks.base.autoneg = safe_ks.base.autoneg;
2262         /* we don't compare the speed */
2263         copy_ks.base.speed = safe_ks.base.speed;
2264
2265         /* If copy_ks.base and safe_ks.base are not the same now, then they are
2266          * trying to set something that we do not support.
2267          */
2268         if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2269                 err = -EOPNOTSUPP;
2270                 goto done;
2271         }
2272
2273         while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2274                 timeout--;
2275                 if (!timeout) {
2276                         err = -EBUSY;
2277                         goto done;
2278                 }
2279                 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2280         }
2281
2282         /* Copy the current user PHY configuration. The current user PHY
2283          * configuration is initialized during probe from PHY capabilities
2284          * software mode, and updated on set PHY configuration.
2285          */
2286         config = pi->phy.curr_user_phy_cfg;
2287
2288         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2289
2290         /* Check autoneg */
2291         err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2292                                 netdev);
2293
2294         if (err)
2295                 goto done;
2296
2297         /* Call to get the current link speed */
2298         pi->phy.get_link_info = true;
2299         err = ice_get_link_status(pi, &linkup);
2300         if (err)
2301                 goto done;
2302
2303         curr_link_speed = pi->phy.curr_user_speed_req;
2304         adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2305
2306         /* If speed didn't get set, set it to what it currently is.
2307          * This is needed because if advertise is 0 (as it is when autoneg
2308          * is disabled) then speed won't get set.
2309          */
2310         if (!adv_link_speed)
2311                 adv_link_speed = curr_link_speed;
2312
2313         /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2314         ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2315                                     adv_link_speed);
2316
2317         if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2318                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2319                 goto done;
2320         }
2321
2322         /* save the requested speeds */
2323         pi->phy.link_info.req_speeds = adv_link_speed;
2324
2325         /* set link and auto negotiation so changes take effect */
2326         config.caps |= ICE_AQ_PHY_ENA_LINK;
2327
2328         /* check if there is a PHY type for the requested advertised speed */
2329         if (!(phy_type_low || phy_type_high)) {
2330                 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");
2331                 err = -EOPNOTSUPP;
2332                 goto done;
2333         }
2334
2335         /* intersect requested advertised speed PHY types with media PHY types
2336          * for set PHY configuration
2337          */
2338         config.phy_type_high = cpu_to_le64(phy_type_high) &
2339                         phy_caps->phy_type_high;
2340         config.phy_type_low = cpu_to_le64(phy_type_low) &
2341                         phy_caps->phy_type_low;
2342
2343         if (!(config.phy_type_high || config.phy_type_low)) {
2344                 /* If there is no intersection and lenient mode is enabled, then
2345                  * intersect the requested advertised speed with NVM media type
2346                  * PHY types.
2347                  */
2348                 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2349                         config.phy_type_high = cpu_to_le64(phy_type_high) &
2350                                                pf->nvm_phy_type_hi;
2351                         config.phy_type_low = cpu_to_le64(phy_type_low) &
2352                                               pf->nvm_phy_type_lo;
2353                 } else {
2354                         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");
2355                         err = -EOPNOTSUPP;
2356                         goto done;
2357                 }
2358         }
2359
2360         /* If link is up put link down */
2361         if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2362                 /* Tell the OS link is going down, the link will go
2363                  * back up when fw says it is ready asynchronously
2364                  */
2365                 ice_print_link_msg(np->vsi, false);
2366                 netif_carrier_off(netdev);
2367                 netif_tx_stop_all_queues(netdev);
2368         }
2369
2370         /* make the aq call */
2371         err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2372         if (err) {
2373                 netdev_info(netdev, "Set phy config failed,\n");
2374                 goto done;
2375         }
2376
2377         /* Save speed request */
2378         pi->phy.curr_user_speed_req = adv_link_speed;
2379 done:
2380         kfree(phy_caps);
2381         clear_bit(ICE_CFG_BUSY, pf->state);
2382
2383         return err;
2384 }
2385
2386 /**
2387  * ice_parse_hdrs - parses headers from RSS hash input
2388  * @nfc: ethtool rxnfc command
2389  *
2390  * This function parses the rxnfc command and returns intended
2391  * header types for RSS configuration
2392  */
2393 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2394 {
2395         u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2396
2397         switch (nfc->flow_type) {
2398         case TCP_V4_FLOW:
2399                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2400                 break;
2401         case UDP_V4_FLOW:
2402                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2403                 break;
2404         case SCTP_V4_FLOW:
2405                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2406                 break;
2407         case TCP_V6_FLOW:
2408                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2409                 break;
2410         case UDP_V6_FLOW:
2411                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2412                 break;
2413         case SCTP_V6_FLOW:
2414                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2415                 break;
2416         default:
2417                 break;
2418         }
2419         return hdrs;
2420 }
2421
2422 #define ICE_FLOW_HASH_FLD_IPV4_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2423 #define ICE_FLOW_HASH_FLD_IPV6_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2424 #define ICE_FLOW_HASH_FLD_IPV4_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2425 #define ICE_FLOW_HASH_FLD_IPV6_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2426 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2427 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2428 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2429 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2430 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
2431         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2432 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
2433         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2434
2435 /**
2436  * ice_parse_hash_flds - parses hash fields from RSS hash input
2437  * @nfc: ethtool rxnfc command
2438  *
2439  * This function parses the rxnfc command and returns intended
2440  * hash fields for RSS configuration
2441  */
2442 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2443 {
2444         u64 hfld = ICE_HASH_INVALID;
2445
2446         if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2447                 switch (nfc->flow_type) {
2448                 case TCP_V4_FLOW:
2449                 case UDP_V4_FLOW:
2450                 case SCTP_V4_FLOW:
2451                         if (nfc->data & RXH_IP_SRC)
2452                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2453                         if (nfc->data & RXH_IP_DST)
2454                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2455                         break;
2456                 case TCP_V6_FLOW:
2457                 case UDP_V6_FLOW:
2458                 case SCTP_V6_FLOW:
2459                         if (nfc->data & RXH_IP_SRC)
2460                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2461                         if (nfc->data & RXH_IP_DST)
2462                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2463                         break;
2464                 default:
2465                         break;
2466                 }
2467         }
2468
2469         if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2470                 switch (nfc->flow_type) {
2471                 case TCP_V4_FLOW:
2472                 case TCP_V6_FLOW:
2473                         if (nfc->data & RXH_L4_B_0_1)
2474                                 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2475                         if (nfc->data & RXH_L4_B_2_3)
2476                                 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2477                         break;
2478                 case UDP_V4_FLOW:
2479                 case UDP_V6_FLOW:
2480                         if (nfc->data & RXH_L4_B_0_1)
2481                                 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2482                         if (nfc->data & RXH_L4_B_2_3)
2483                                 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2484                         break;
2485                 case SCTP_V4_FLOW:
2486                 case SCTP_V6_FLOW:
2487                         if (nfc->data & RXH_L4_B_0_1)
2488                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2489                         if (nfc->data & RXH_L4_B_2_3)
2490                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2491                         break;
2492                 default:
2493                         break;
2494                 }
2495         }
2496
2497         return hfld;
2498 }
2499
2500 /**
2501  * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2502  * @vsi: the VSI being configured
2503  * @nfc: ethtool rxnfc command
2504  *
2505  * Returns Success if the flow input set is supported.
2506  */
2507 static int
2508 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2509 {
2510         struct ice_pf *pf = vsi->back;
2511         struct device *dev;
2512         u64 hashed_flds;
2513         int status;
2514         u32 hdrs;
2515
2516         dev = ice_pf_to_dev(pf);
2517         if (ice_is_safe_mode(pf)) {
2518                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2519                         vsi->vsi_num);
2520                 return -EINVAL;
2521         }
2522
2523         hashed_flds = ice_parse_hash_flds(nfc);
2524         if (hashed_flds == ICE_HASH_INVALID) {
2525                 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2526                         vsi->vsi_num);
2527                 return -EINVAL;
2528         }
2529
2530         hdrs = ice_parse_hdrs(nfc);
2531         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2532                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2533                         vsi->vsi_num);
2534                 return -EINVAL;
2535         }
2536
2537         status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
2538         if (status) {
2539                 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2540                         vsi->vsi_num, status);
2541                 return status;
2542         }
2543
2544         return 0;
2545 }
2546
2547 /**
2548  * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2549  * @vsi: the VSI being configured
2550  * @nfc: ethtool rxnfc command
2551  */
2552 static void
2553 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2554 {
2555         struct ice_pf *pf = vsi->back;
2556         struct device *dev;
2557         u64 hash_flds;
2558         u32 hdrs;
2559
2560         dev = ice_pf_to_dev(pf);
2561
2562         nfc->data = 0;
2563         if (ice_is_safe_mode(pf)) {
2564                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2565                         vsi->vsi_num);
2566                 return;
2567         }
2568
2569         hdrs = ice_parse_hdrs(nfc);
2570         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2571                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2572                         vsi->vsi_num);
2573                 return;
2574         }
2575
2576         hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
2577         if (hash_flds == ICE_HASH_INVALID) {
2578                 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2579                         vsi->vsi_num);
2580                 return;
2581         }
2582
2583         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2584             hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2585                 nfc->data |= (u64)RXH_IP_SRC;
2586
2587         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2588             hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2589                 nfc->data |= (u64)RXH_IP_DST;
2590
2591         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2592             hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2593             hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2594                 nfc->data |= (u64)RXH_L4_B_0_1;
2595
2596         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2597             hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2598             hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2599                 nfc->data |= (u64)RXH_L4_B_2_3;
2600 }
2601
2602 /**
2603  * ice_set_rxnfc - command to set Rx flow rules.
2604  * @netdev: network interface device structure
2605  * @cmd: ethtool rxnfc command
2606  *
2607  * Returns 0 for success and negative values for errors
2608  */
2609 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2610 {
2611         struct ice_netdev_priv *np = netdev_priv(netdev);
2612         struct ice_vsi *vsi = np->vsi;
2613
2614         switch (cmd->cmd) {
2615         case ETHTOOL_SRXCLSRLINS:
2616                 return ice_add_fdir_ethtool(vsi, cmd);
2617         case ETHTOOL_SRXCLSRLDEL:
2618                 return ice_del_fdir_ethtool(vsi, cmd);
2619         case ETHTOOL_SRXFH:
2620                 return ice_set_rss_hash_opt(vsi, cmd);
2621         default:
2622                 break;
2623         }
2624         return -EOPNOTSUPP;
2625 }
2626
2627 /**
2628  * ice_get_rxnfc - command to get Rx flow classification rules
2629  * @netdev: network interface device structure
2630  * @cmd: ethtool rxnfc command
2631  * @rule_locs: buffer to rturn Rx flow classification rules
2632  *
2633  * Returns Success if the command is supported.
2634  */
2635 static int
2636 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2637               u32 __always_unused *rule_locs)
2638 {
2639         struct ice_netdev_priv *np = netdev_priv(netdev);
2640         struct ice_vsi *vsi = np->vsi;
2641         int ret = -EOPNOTSUPP;
2642         struct ice_hw *hw;
2643
2644         hw = &vsi->back->hw;
2645
2646         switch (cmd->cmd) {
2647         case ETHTOOL_GRXRINGS:
2648                 cmd->data = vsi->rss_size;
2649                 ret = 0;
2650                 break;
2651         case ETHTOOL_GRXCLSRLCNT:
2652                 cmd->rule_cnt = hw->fdir_active_fltr;
2653                 /* report total rule count */
2654                 cmd->data = ice_get_fdir_cnt_all(hw);
2655                 ret = 0;
2656                 break;
2657         case ETHTOOL_GRXCLSRULE:
2658                 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2659                 break;
2660         case ETHTOOL_GRXCLSRLALL:
2661                 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2662                 break;
2663         case ETHTOOL_GRXFH:
2664                 ice_get_rss_hash_opt(vsi, cmd);
2665                 ret = 0;
2666                 break;
2667         default:
2668                 break;
2669         }
2670
2671         return ret;
2672 }
2673
2674 static void
2675 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2676                   struct kernel_ethtool_ringparam *kernel_ring,
2677                   struct netlink_ext_ack *extack)
2678 {
2679         struct ice_netdev_priv *np = netdev_priv(netdev);
2680         struct ice_vsi *vsi = np->vsi;
2681
2682         ring->rx_max_pending = ICE_MAX_NUM_DESC;
2683         ring->tx_max_pending = ICE_MAX_NUM_DESC;
2684         ring->rx_pending = vsi->rx_rings[0]->count;
2685         ring->tx_pending = vsi->tx_rings[0]->count;
2686
2687         /* Rx mini and jumbo rings are not supported */
2688         ring->rx_mini_max_pending = 0;
2689         ring->rx_jumbo_max_pending = 0;
2690         ring->rx_mini_pending = 0;
2691         ring->rx_jumbo_pending = 0;
2692 }
2693
2694 static int
2695 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2696                   struct kernel_ethtool_ringparam *kernel_ring,
2697                   struct netlink_ext_ack *extack)
2698 {
2699         struct ice_netdev_priv *np = netdev_priv(netdev);
2700         struct ice_tx_ring *xdp_rings = NULL;
2701         struct ice_tx_ring *tx_rings = NULL;
2702         struct ice_rx_ring *rx_rings = NULL;
2703         struct ice_vsi *vsi = np->vsi;
2704         struct ice_pf *pf = vsi->back;
2705         int i, timeout = 50, err = 0;
2706         u16 new_rx_cnt, new_tx_cnt;
2707
2708         if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2709             ring->tx_pending < ICE_MIN_NUM_DESC ||
2710             ring->rx_pending > ICE_MAX_NUM_DESC ||
2711             ring->rx_pending < ICE_MIN_NUM_DESC) {
2712                 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2713                            ring->tx_pending, ring->rx_pending,
2714                            ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2715                            ICE_REQ_DESC_MULTIPLE);
2716                 return -EINVAL;
2717         }
2718
2719         new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2720         if (new_tx_cnt != ring->tx_pending)
2721                 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2722                             new_tx_cnt);
2723         new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2724         if (new_rx_cnt != ring->rx_pending)
2725                 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2726                             new_rx_cnt);
2727
2728         /* if nothing to do return success */
2729         if (new_tx_cnt == vsi->tx_rings[0]->count &&
2730             new_rx_cnt == vsi->rx_rings[0]->count) {
2731                 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2732                 return 0;
2733         }
2734
2735         /* If there is a AF_XDP UMEM attached to any of Rx rings,
2736          * disallow changing the number of descriptors -- regardless
2737          * if the netdev is running or not.
2738          */
2739         if (ice_xsk_any_rx_ring_ena(vsi))
2740                 return -EBUSY;
2741
2742         while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2743                 timeout--;
2744                 if (!timeout)
2745                         return -EBUSY;
2746                 usleep_range(1000, 2000);
2747         }
2748
2749         /* set for the next time the netdev is started */
2750         if (!netif_running(vsi->netdev)) {
2751                 ice_for_each_alloc_txq(vsi, i)
2752                         vsi->tx_rings[i]->count = new_tx_cnt;
2753                 ice_for_each_alloc_rxq(vsi, i)
2754                         vsi->rx_rings[i]->count = new_rx_cnt;
2755                 if (ice_is_xdp_ena_vsi(vsi))
2756                         ice_for_each_xdp_txq(vsi, i)
2757                                 vsi->xdp_rings[i]->count = new_tx_cnt;
2758                 vsi->num_tx_desc = (u16)new_tx_cnt;
2759                 vsi->num_rx_desc = (u16)new_rx_cnt;
2760                 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2761                 goto done;
2762         }
2763
2764         if (new_tx_cnt == vsi->tx_rings[0]->count)
2765                 goto process_rx;
2766
2767         /* alloc updated Tx resources */
2768         netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2769                     vsi->tx_rings[0]->count, new_tx_cnt);
2770
2771         tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2772         if (!tx_rings) {
2773                 err = -ENOMEM;
2774                 goto done;
2775         }
2776
2777         ice_for_each_txq(vsi, i) {
2778                 /* clone ring and setup updated count */
2779                 tx_rings[i] = *vsi->tx_rings[i];
2780                 tx_rings[i].count = new_tx_cnt;
2781                 tx_rings[i].desc = NULL;
2782                 tx_rings[i].tx_buf = NULL;
2783                 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
2784                 err = ice_setup_tx_ring(&tx_rings[i]);
2785                 if (err) {
2786                         while (i--)
2787                                 ice_clean_tx_ring(&tx_rings[i]);
2788                         kfree(tx_rings);
2789                         goto done;
2790                 }
2791         }
2792
2793         if (!ice_is_xdp_ena_vsi(vsi))
2794                 goto process_rx;
2795
2796         /* alloc updated XDP resources */
2797         netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2798                     vsi->xdp_rings[0]->count, new_tx_cnt);
2799
2800         xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2801         if (!xdp_rings) {
2802                 err = -ENOMEM;
2803                 goto free_tx;
2804         }
2805
2806         ice_for_each_xdp_txq(vsi, i) {
2807                 /* clone ring and setup updated count */
2808                 xdp_rings[i] = *vsi->xdp_rings[i];
2809                 xdp_rings[i].count = new_tx_cnt;
2810                 xdp_rings[i].desc = NULL;
2811                 xdp_rings[i].tx_buf = NULL;
2812                 err = ice_setup_tx_ring(&xdp_rings[i]);
2813                 if (err) {
2814                         while (i--)
2815                                 ice_clean_tx_ring(&xdp_rings[i]);
2816                         kfree(xdp_rings);
2817                         goto free_tx;
2818                 }
2819                 ice_set_ring_xdp(&xdp_rings[i]);
2820         }
2821
2822 process_rx:
2823         if (new_rx_cnt == vsi->rx_rings[0]->count)
2824                 goto process_link;
2825
2826         /* alloc updated Rx resources */
2827         netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2828                     vsi->rx_rings[0]->count, new_rx_cnt);
2829
2830         rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2831         if (!rx_rings) {
2832                 err = -ENOMEM;
2833                 goto done;
2834         }
2835
2836         ice_for_each_rxq(vsi, i) {
2837                 /* clone ring and setup updated count */
2838                 rx_rings[i] = *vsi->rx_rings[i];
2839                 rx_rings[i].count = new_rx_cnt;
2840                 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
2841                 rx_rings[i].desc = NULL;
2842                 rx_rings[i].rx_buf = NULL;
2843                 /* this is to allow wr32 to have something to write to
2844                  * during early allocation of Rx buffers
2845                  */
2846                 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2847
2848                 err = ice_setup_rx_ring(&rx_rings[i]);
2849                 if (err)
2850                         goto rx_unwind;
2851
2852                 /* allocate Rx buffers */
2853                 err = ice_alloc_rx_bufs(&rx_rings[i],
2854                                         ICE_RX_DESC_UNUSED(&rx_rings[i]));
2855 rx_unwind:
2856                 if (err) {
2857                         while (i) {
2858                                 i--;
2859                                 ice_free_rx_ring(&rx_rings[i]);
2860                         }
2861                         kfree(rx_rings);
2862                         err = -ENOMEM;
2863                         goto free_tx;
2864                 }
2865         }
2866
2867 process_link:
2868         /* Bring interface down, copy in the new ring info, then restore the
2869          * interface. if VSI is up, bring it down and then back up
2870          */
2871         if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
2872                 ice_down(vsi);
2873
2874                 if (tx_rings) {
2875                         ice_for_each_txq(vsi, i) {
2876                                 ice_free_tx_ring(vsi->tx_rings[i]);
2877                                 *vsi->tx_rings[i] = tx_rings[i];
2878                         }
2879                         kfree(tx_rings);
2880                 }
2881
2882                 if (rx_rings) {
2883                         ice_for_each_rxq(vsi, i) {
2884                                 ice_free_rx_ring(vsi->rx_rings[i]);
2885                                 /* copy the real tail offset */
2886                                 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2887                                 /* this is to fake out the allocation routine
2888                                  * into thinking it has to realloc everything
2889                                  * but the recycling logic will let us re-use
2890                                  * the buffers allocated above
2891                                  */
2892                                 rx_rings[i].next_to_use = 0;
2893                                 rx_rings[i].next_to_clean = 0;
2894                                 rx_rings[i].next_to_alloc = 0;
2895                                 *vsi->rx_rings[i] = rx_rings[i];
2896                         }
2897                         kfree(rx_rings);
2898                 }
2899
2900                 if (xdp_rings) {
2901                         ice_for_each_xdp_txq(vsi, i) {
2902                                 ice_free_tx_ring(vsi->xdp_rings[i]);
2903                                 *vsi->xdp_rings[i] = xdp_rings[i];
2904                         }
2905                         kfree(xdp_rings);
2906                 }
2907
2908                 vsi->num_tx_desc = new_tx_cnt;
2909                 vsi->num_rx_desc = new_rx_cnt;
2910                 ice_up(vsi);
2911         }
2912         goto done;
2913
2914 free_tx:
2915         /* error cleanup if the Rx allocations failed after getting Tx */
2916         if (tx_rings) {
2917                 ice_for_each_txq(vsi, i)
2918                         ice_free_tx_ring(&tx_rings[i]);
2919                 kfree(tx_rings);
2920         }
2921
2922 done:
2923         clear_bit(ICE_CFG_BUSY, pf->state);
2924         return err;
2925 }
2926
2927 /**
2928  * ice_get_pauseparam - Get Flow Control status
2929  * @netdev: network interface device structure
2930  * @pause: ethernet pause (flow control) parameters
2931  *
2932  * Get requested flow control status from PHY capability.
2933  * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
2934  * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
2935  * the negotiated Rx/Tx pause via lp_advertising.
2936  */
2937 static void
2938 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2939 {
2940         struct ice_netdev_priv *np = netdev_priv(netdev);
2941         struct ice_port_info *pi = np->vsi->port_info;
2942         struct ice_aqc_get_phy_caps_data *pcaps;
2943         struct ice_dcbx_cfg *dcbx_cfg;
2944         int status;
2945
2946         /* Initialize pause params */
2947         pause->rx_pause = 0;
2948         pause->tx_pause = 0;
2949
2950         dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
2951
2952         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2953         if (!pcaps)
2954                 return;
2955
2956         /* Get current PHY config */
2957         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
2958                                      NULL);
2959         if (status)
2960                 goto out;
2961
2962         pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
2963                                                              AUTONEG_DISABLE;
2964
2965         if (dcbx_cfg->pfc.pfcena)
2966                 /* PFC enabled so report LFC as off */
2967                 goto out;
2968
2969         if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2970                 pause->tx_pause = 1;
2971         if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2972                 pause->rx_pause = 1;
2973
2974 out:
2975         kfree(pcaps);
2976 }
2977
2978 /**
2979  * ice_set_pauseparam - Set Flow Control parameter
2980  * @netdev: network interface device structure
2981  * @pause: return Tx/Rx flow control status
2982  */
2983 static int
2984 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2985 {
2986         struct ice_netdev_priv *np = netdev_priv(netdev);
2987         struct ice_aqc_get_phy_caps_data *pcaps;
2988         struct ice_link_status *hw_link_info;
2989         struct ice_pf *pf = np->vsi->back;
2990         struct ice_dcbx_cfg *dcbx_cfg;
2991         struct ice_vsi *vsi = np->vsi;
2992         struct ice_hw *hw = &pf->hw;
2993         struct ice_port_info *pi;
2994         u8 aq_failures;
2995         bool link_up;
2996         u32 is_an;
2997         int err;
2998
2999         pi = vsi->port_info;
3000         hw_link_info = &pi->phy.link_info;
3001         dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3002         link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3003
3004         /* Changing the port's flow control is not supported if this isn't the
3005          * PF VSI
3006          */
3007         if (vsi->type != ICE_VSI_PF) {
3008                 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3009                 return -EOPNOTSUPP;
3010         }
3011
3012         /* Get pause param reports configured and negotiated flow control pause
3013          * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3014          * defined get pause param pause->autoneg reports SW configured setting,
3015          * so compare pause->autoneg with SW configured to prevent the user from
3016          * using set pause param to chance autoneg.
3017          */
3018         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3019         if (!pcaps)
3020                 return -ENOMEM;
3021
3022         /* Get current PHY config */
3023         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3024                                   NULL);
3025         if (err) {
3026                 kfree(pcaps);
3027                 return err;
3028         }
3029
3030         is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3031                                                     AUTONEG_DISABLE;
3032
3033         kfree(pcaps);
3034
3035         if (pause->autoneg != is_an) {
3036                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3037                 return -EOPNOTSUPP;
3038         }
3039
3040         /* If we have link and don't have autoneg */
3041         if (!test_bit(ICE_DOWN, pf->state) &&
3042             !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3043                 /* Send message that it might not necessarily work*/
3044                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3045         }
3046
3047         if (dcbx_cfg->pfc.pfcena) {
3048                 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3049                 return -EOPNOTSUPP;
3050         }
3051         if (pause->rx_pause && pause->tx_pause)
3052                 pi->fc.req_mode = ICE_FC_FULL;
3053         else if (pause->rx_pause && !pause->tx_pause)
3054                 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3055         else if (!pause->rx_pause && pause->tx_pause)
3056                 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3057         else if (!pause->rx_pause && !pause->tx_pause)
3058                 pi->fc.req_mode = ICE_FC_NONE;
3059         else
3060                 return -EINVAL;
3061
3062         /* Set the FC mode and only restart AN if link is up */
3063         err = ice_set_fc(pi, &aq_failures, link_up);
3064
3065         if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3066                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3067                             err, ice_aq_str(hw->adminq.sq_last_status));
3068                 err = -EAGAIN;
3069         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3070                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3071                             err, ice_aq_str(hw->adminq.sq_last_status));
3072                 err = -EAGAIN;
3073         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3074                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3075                             err, ice_aq_str(hw->adminq.sq_last_status));
3076                 err = -EAGAIN;
3077         }
3078
3079         return err;
3080 }
3081
3082 /**
3083  * ice_get_rxfh_key_size - get the RSS hash key size
3084  * @netdev: network interface device structure
3085  *
3086  * Returns the table size.
3087  */
3088 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3089 {
3090         return ICE_VSIQF_HKEY_ARRAY_SIZE;
3091 }
3092
3093 /**
3094  * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3095  * @netdev: network interface device structure
3096  *
3097  * Returns the table size.
3098  */
3099 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3100 {
3101         struct ice_netdev_priv *np = netdev_priv(netdev);
3102
3103         return np->vsi->rss_table_size;
3104 }
3105
3106 static int
3107 ice_get_rxfh_context(struct net_device *netdev, u32 *indir,
3108                      u8 *key, u8 *hfunc, u32 rss_context)
3109 {
3110         struct ice_netdev_priv *np = netdev_priv(netdev);
3111         struct ice_vsi *vsi = np->vsi;
3112         struct ice_pf *pf = vsi->back;
3113         u16 qcount, offset;
3114         int err, num_tc, i;
3115         u8 *lut;
3116
3117         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3118                 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3119                 return -EOPNOTSUPP;
3120         }
3121
3122         if (rss_context && !ice_is_adq_active(pf)) {
3123                 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
3124                 return -EINVAL;
3125         }
3126
3127         qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3128         offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3129
3130         if (rss_context && ice_is_adq_active(pf)) {
3131                 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3132                 if (rss_context >= num_tc) {
3133                         netdev_err(netdev, "RSS context:%d  > num_tc:%d\n",
3134                                    rss_context, num_tc);
3135                         return -EINVAL;
3136                 }
3137                 /* Use channel VSI of given TC */
3138                 vsi = vsi->tc_map_vsi[rss_context];
3139         }
3140
3141         if (hfunc)
3142                 *hfunc = ETH_RSS_HASH_TOP;
3143
3144         if (!indir)
3145                 return 0;
3146
3147         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3148         if (!lut)
3149                 return -ENOMEM;
3150
3151         err = ice_get_rss_key(vsi, key);
3152         if (err)
3153                 goto out;
3154
3155         err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3156         if (err)
3157                 goto out;
3158
3159         if (ice_is_adq_active(pf)) {
3160                 for (i = 0; i < vsi->rss_table_size; i++)
3161                         indir[i] = offset + lut[i] % qcount;
3162                 goto out;
3163         }
3164
3165         for (i = 0; i < vsi->rss_table_size; i++)
3166                 indir[i] = lut[i];
3167
3168 out:
3169         kfree(lut);
3170         return err;
3171 }
3172
3173 /**
3174  * ice_get_rxfh - get the Rx flow hash indirection table
3175  * @netdev: network interface device structure
3176  * @indir: indirection table
3177  * @key: hash key
3178  * @hfunc: hash function
3179  *
3180  * Reads the indirection table directly from the hardware.
3181  */
3182 static int
3183 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3184 {
3185         return ice_get_rxfh_context(netdev, indir, key, hfunc, 0);
3186 }
3187
3188 /**
3189  * ice_set_rxfh - set the Rx flow hash indirection table
3190  * @netdev: network interface device structure
3191  * @indir: indirection table
3192  * @key: hash key
3193  * @hfunc: hash function
3194  *
3195  * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3196  * returns 0 after programming the table.
3197  */
3198 static int
3199 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3200              const u8 hfunc)
3201 {
3202         struct ice_netdev_priv *np = netdev_priv(netdev);
3203         struct ice_vsi *vsi = np->vsi;
3204         struct ice_pf *pf = vsi->back;
3205         struct device *dev;
3206         int err;
3207
3208         dev = ice_pf_to_dev(pf);
3209         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3210                 return -EOPNOTSUPP;
3211
3212         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3213                 /* RSS not supported return error here */
3214                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3215                 return -EIO;
3216         }
3217
3218         if (ice_is_adq_active(pf)) {
3219                 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3220                 return -EOPNOTSUPP;
3221         }
3222
3223         if (key) {
3224                 if (!vsi->rss_hkey_user) {
3225                         vsi->rss_hkey_user =
3226                                 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3227                                              GFP_KERNEL);
3228                         if (!vsi->rss_hkey_user)
3229                                 return -ENOMEM;
3230                 }
3231                 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3232
3233                 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3234                 if (err)
3235                         return err;
3236         }
3237
3238         if (!vsi->rss_lut_user) {
3239                 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3240                                                  GFP_KERNEL);
3241                 if (!vsi->rss_lut_user)
3242                         return -ENOMEM;
3243         }
3244
3245         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3246         if (indir) {
3247                 int i;
3248
3249                 for (i = 0; i < vsi->rss_table_size; i++)
3250                         vsi->rss_lut_user[i] = (u8)(indir[i]);
3251         } else {
3252                 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3253                                  vsi->rss_size);
3254         }
3255
3256         err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3257         if (err)
3258                 return err;
3259
3260         return 0;
3261 }
3262
3263 static int
3264 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3265 {
3266         struct ice_pf *pf = ice_netdev_to_pf(dev);
3267
3268         /* only report timestamping if PTP is enabled */
3269         if (!test_bit(ICE_FLAG_PTP, pf->flags))
3270                 return ethtool_op_get_ts_info(dev, info);
3271
3272         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3273                                 SOF_TIMESTAMPING_RX_SOFTWARE |
3274                                 SOF_TIMESTAMPING_SOFTWARE |
3275                                 SOF_TIMESTAMPING_TX_HARDWARE |
3276                                 SOF_TIMESTAMPING_RX_HARDWARE |
3277                                 SOF_TIMESTAMPING_RAW_HARDWARE;
3278
3279         info->phc_index = ice_get_ptp_clock_index(pf);
3280
3281         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3282
3283         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3284
3285         return 0;
3286 }
3287
3288 /**
3289  * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3290  * @pf: PF structure
3291  */
3292 static int ice_get_max_txq(struct ice_pf *pf)
3293 {
3294         return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3295                     (u16)pf->hw.func_caps.common_cap.num_txq);
3296 }
3297
3298 /**
3299  * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3300  * @pf: PF structure
3301  */
3302 static int ice_get_max_rxq(struct ice_pf *pf)
3303 {
3304         return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3305                     (u16)pf->hw.func_caps.common_cap.num_rxq);
3306 }
3307
3308 /**
3309  * ice_get_combined_cnt - return the current number of combined channels
3310  * @vsi: PF VSI pointer
3311  *
3312  * Go through all queue vectors and count ones that have both Rx and Tx ring
3313  * attached
3314  */
3315 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3316 {
3317         u32 combined = 0;
3318         int q_idx;
3319
3320         ice_for_each_q_vector(vsi, q_idx) {
3321                 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3322
3323                 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3324                         combined++;
3325         }
3326
3327         return combined;
3328 }
3329
3330 /**
3331  * ice_get_channels - get the current and max supported channels
3332  * @dev: network interface device structure
3333  * @ch: ethtool channel data structure
3334  */
3335 static void
3336 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3337 {
3338         struct ice_netdev_priv *np = netdev_priv(dev);
3339         struct ice_vsi *vsi = np->vsi;
3340         struct ice_pf *pf = vsi->back;
3341
3342         /* report maximum channels */
3343         ch->max_rx = ice_get_max_rxq(pf);
3344         ch->max_tx = ice_get_max_txq(pf);
3345         ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3346
3347         /* report current channels */
3348         ch->combined_count = ice_get_combined_cnt(vsi);
3349         ch->rx_count = vsi->num_rxq - ch->combined_count;
3350         ch->tx_count = vsi->num_txq - ch->combined_count;
3351
3352         /* report other queues */
3353         ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3354         ch->max_other = ch->other_count;
3355 }
3356
3357 /**
3358  * ice_get_valid_rss_size - return valid number of RSS queues
3359  * @hw: pointer to the HW structure
3360  * @new_size: requested RSS queues
3361  */
3362 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3363 {
3364         struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3365
3366         return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3367 }
3368
3369 /**
3370  * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3371  * @vsi: VSI to reconfigure RSS LUT on
3372  * @req_rss_size: requested range of queue numbers for hashing
3373  *
3374  * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3375  */
3376 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3377 {
3378         struct ice_pf *pf = vsi->back;
3379         struct device *dev;
3380         struct ice_hw *hw;
3381         int err;
3382         u8 *lut;
3383
3384         dev = ice_pf_to_dev(pf);
3385         hw = &pf->hw;
3386
3387         if (!req_rss_size)
3388                 return -EINVAL;
3389
3390         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3391         if (!lut)
3392                 return -ENOMEM;
3393
3394         /* set RSS LUT parameters */
3395         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3396                 vsi->rss_size = 1;
3397         else
3398                 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3399
3400         /* create/set RSS LUT */
3401         ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3402         err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3403         if (err)
3404                 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3405                         ice_aq_str(hw->adminq.sq_last_status));
3406
3407         kfree(lut);
3408         return err;
3409 }
3410
3411 /**
3412  * ice_set_channels - set the number channels
3413  * @dev: network interface device structure
3414  * @ch: ethtool channel data structure
3415  */
3416 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3417 {
3418         struct ice_netdev_priv *np = netdev_priv(dev);
3419         struct ice_vsi *vsi = np->vsi;
3420         struct ice_pf *pf = vsi->back;
3421         int new_rx = 0, new_tx = 0;
3422         bool locked = false;
3423         u32 curr_combined;
3424         int ret = 0;
3425
3426         /* do not support changing channels in Safe Mode */
3427         if (ice_is_safe_mode(pf)) {
3428                 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3429                 return -EOPNOTSUPP;
3430         }
3431         /* do not support changing other_count */
3432         if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3433                 return -EINVAL;
3434
3435         if (ice_is_adq_active(pf)) {
3436                 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3437                 return -EOPNOTSUPP;
3438         }
3439
3440         if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3441                 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3442                 return -EOPNOTSUPP;
3443         }
3444
3445         curr_combined = ice_get_combined_cnt(vsi);
3446
3447         /* these checks are for cases where user didn't specify a particular
3448          * value on cmd line but we get non-zero value anyway via
3449          * get_channels(); look at ethtool.c in ethtool repository (the user
3450          * space part), particularly, do_schannels() routine
3451          */
3452         if (ch->rx_count == vsi->num_rxq - curr_combined)
3453                 ch->rx_count = 0;
3454         if (ch->tx_count == vsi->num_txq - curr_combined)
3455                 ch->tx_count = 0;
3456         if (ch->combined_count == curr_combined)
3457                 ch->combined_count = 0;
3458
3459         if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3460                 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3461                 return -EINVAL;
3462         }
3463
3464         new_rx = ch->combined_count + ch->rx_count;
3465         new_tx = ch->combined_count + ch->tx_count;
3466
3467         if (new_rx < vsi->tc_cfg.numtc) {
3468                 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3469                            vsi->tc_cfg.numtc);
3470                 return -EINVAL;
3471         }
3472         if (new_tx < vsi->tc_cfg.numtc) {
3473                 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3474                            vsi->tc_cfg.numtc);
3475                 return -EINVAL;
3476         }
3477         if (new_rx > ice_get_max_rxq(pf)) {
3478                 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3479                            ice_get_max_rxq(pf));
3480                 return -EINVAL;
3481         }
3482         if (new_tx > ice_get_max_txq(pf)) {
3483                 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3484                            ice_get_max_txq(pf));
3485                 return -EINVAL;
3486         }
3487
3488         if (pf->adev) {
3489                 mutex_lock(&pf->adev_mutex);
3490                 device_lock(&pf->adev->dev);
3491                 locked = true;
3492                 if (pf->adev->dev.driver) {
3493                         netdev_err(dev, "Cannot change channels when RDMA is active\n");
3494                         ret = -EBUSY;
3495                         goto adev_unlock;
3496                 }
3497         }
3498
3499         ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3500
3501         if (!netif_is_rxfh_configured(dev)) {
3502                 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3503                 goto adev_unlock;
3504         }
3505
3506         /* Update rss_size due to change in Rx queues */
3507         vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3508
3509 adev_unlock:
3510         if (locked) {
3511                 device_unlock(&pf->adev->dev);
3512                 mutex_unlock(&pf->adev_mutex);
3513         }
3514         return ret;
3515 }
3516
3517 /**
3518  * ice_get_wol - get current Wake on LAN configuration
3519  * @netdev: network interface device structure
3520  * @wol: Ethtool structure to retrieve WoL settings
3521  */
3522 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3523 {
3524         struct ice_netdev_priv *np = netdev_priv(netdev);
3525         struct ice_pf *pf = np->vsi->back;
3526
3527         if (np->vsi->type != ICE_VSI_PF)
3528                 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3529
3530         /* Get WoL settings based on the HW capability */
3531         if (ice_is_wol_supported(&pf->hw)) {
3532                 wol->supported = WAKE_MAGIC;
3533                 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3534         } else {
3535                 wol->supported = 0;
3536                 wol->wolopts = 0;
3537         }
3538 }
3539
3540 /**
3541  * ice_set_wol - set Wake on LAN on supported device
3542  * @netdev: network interface device structure
3543  * @wol: Ethtool structure to set WoL
3544  */
3545 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3546 {
3547         struct ice_netdev_priv *np = netdev_priv(netdev);
3548         struct ice_vsi *vsi = np->vsi;
3549         struct ice_pf *pf = vsi->back;
3550
3551         if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3552                 return -EOPNOTSUPP;
3553
3554         /* only magic packet is supported */
3555         if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3556                 return -EOPNOTSUPP;
3557
3558         /* Set WoL only if there is a new value */
3559         if (pf->wol_ena != !!wol->wolopts) {
3560                 pf->wol_ena = !!wol->wolopts;
3561                 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3562                 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3563                            pf->wol_ena ? "en" : "dis");
3564         }
3565
3566         return 0;
3567 }
3568
3569 /**
3570  * ice_get_rc_coalesce - get ITR values for specific ring container
3571  * @ec: ethtool structure to fill with driver's coalesce settings
3572  * @rc: ring container that the ITR values will come from
3573  *
3574  * Query the device for ice_ring_container specific ITR values. This is
3575  * done per ice_ring_container because each q_vector can have 1 or more rings
3576  * and all of said ring(s) will have the same ITR values.
3577  *
3578  * Returns 0 on success, negative otherwise.
3579  */
3580 static int
3581 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3582 {
3583         if (!rc->rx_ring)
3584                 return -EINVAL;
3585
3586         switch (rc->type) {
3587         case ICE_RX_CONTAINER:
3588                 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3589                 ec->rx_coalesce_usecs = rc->itr_setting;
3590                 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3591                 break;
3592         case ICE_TX_CONTAINER:
3593                 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3594                 ec->tx_coalesce_usecs = rc->itr_setting;
3595                 break;
3596         default:
3597                 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3598                 return -EINVAL;
3599         }
3600
3601         return 0;
3602 }
3603
3604 /**
3605  * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3606  * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3607  * @ec: coalesce settings to program the device with
3608  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3609  *
3610  * Return 0 on success, and negative under the following conditions:
3611  * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3612  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3613  */
3614 static int
3615 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3616 {
3617         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3618                 if (ice_get_rc_coalesce(ec,
3619                                         &vsi->rx_rings[q_num]->q_vector->rx))
3620                         return -EINVAL;
3621                 if (ice_get_rc_coalesce(ec,
3622                                         &vsi->tx_rings[q_num]->q_vector->tx))
3623                         return -EINVAL;
3624         } else if (q_num < vsi->num_rxq) {
3625                 if (ice_get_rc_coalesce(ec,
3626                                         &vsi->rx_rings[q_num]->q_vector->rx))
3627                         return -EINVAL;
3628         } else if (q_num < vsi->num_txq) {
3629                 if (ice_get_rc_coalesce(ec,
3630                                         &vsi->tx_rings[q_num]->q_vector->tx))
3631                         return -EINVAL;
3632         } else {
3633                 return -EINVAL;
3634         }
3635
3636         return 0;
3637 }
3638
3639 /**
3640  * __ice_get_coalesce - get ITR/INTRL values for the device
3641  * @netdev: pointer to the netdev associated with this query
3642  * @ec: ethtool structure to fill with driver's coalesce settings
3643  * @q_num: queue number to get the coalesce settings for
3644  *
3645  * If the caller passes in a negative q_num then we return coalesce settings
3646  * based on queue number 0, else use the actual q_num passed in.
3647  */
3648 static int
3649 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3650                    int q_num)
3651 {
3652         struct ice_netdev_priv *np = netdev_priv(netdev);
3653         struct ice_vsi *vsi = np->vsi;
3654
3655         if (q_num < 0)
3656                 q_num = 0;
3657
3658         if (ice_get_q_coalesce(vsi, ec, q_num))
3659                 return -EINVAL;
3660
3661         return 0;
3662 }
3663
3664 static int ice_get_coalesce(struct net_device *netdev,
3665                             struct ethtool_coalesce *ec,
3666                             struct kernel_ethtool_coalesce *kernel_coal,
3667                             struct netlink_ext_ack *extack)
3668 {
3669         return __ice_get_coalesce(netdev, ec, -1);
3670 }
3671
3672 static int
3673 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3674                        struct ethtool_coalesce *ec)
3675 {
3676         return __ice_get_coalesce(netdev, ec, q_num);
3677 }
3678
3679 /**
3680  * ice_set_rc_coalesce - set ITR values for specific ring container
3681  * @ec: ethtool structure from user to update ITR settings
3682  * @rc: ring container that the ITR values will come from
3683  * @vsi: VSI associated to the ring container
3684  *
3685  * Set specific ITR values. This is done per ice_ring_container because each
3686  * q_vector can have 1 or more rings and all of said ring(s) will have the same
3687  * ITR values.
3688  *
3689  * Returns 0 on success, negative otherwise.
3690  */
3691 static int
3692 ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3693                     struct ice_ring_container *rc, struct ice_vsi *vsi)
3694 {
3695         const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3696         u32 use_adaptive_coalesce, coalesce_usecs;
3697         struct ice_pf *pf = vsi->back;
3698         u16 itr_setting;
3699
3700         if (!rc->rx_ring)
3701                 return -EINVAL;
3702
3703         switch (rc->type) {
3704         case ICE_RX_CONTAINER:
3705         {
3706                 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3707
3708                 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3709                     (ec->rx_coalesce_usecs_high &&
3710                      ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3711                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3712                                     c_type_str, pf->hw.intrl_gran,
3713                                     ICE_MAX_INTRL);
3714                         return -EINVAL;
3715                 }
3716                 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3717                     (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3718                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3719                                     c_type_str);
3720                         return -EINVAL;
3721                 }
3722                 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3723                         q_vector->intrl = ec->rx_coalesce_usecs_high;
3724
3725                 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3726                 coalesce_usecs = ec->rx_coalesce_usecs;
3727
3728                 break;
3729         }
3730         case ICE_TX_CONTAINER:
3731                 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3732                 coalesce_usecs = ec->tx_coalesce_usecs;
3733
3734                 break;
3735         default:
3736                 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3737                         rc->type);
3738                 return -EINVAL;
3739         }
3740
3741         itr_setting = rc->itr_setting;
3742         if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3743                 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3744                             c_type_str, c_type_str);
3745                 return -EINVAL;
3746         }
3747
3748         if (coalesce_usecs > ICE_ITR_MAX) {
3749                 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3750                             c_type_str, ICE_ITR_MAX);
3751                 return -EINVAL;
3752         }
3753
3754         if (use_adaptive_coalesce) {
3755                 rc->itr_mode = ITR_DYNAMIC;
3756         } else {
3757                 rc->itr_mode = ITR_STATIC;
3758                 /* store user facing value how it was set */
3759                 rc->itr_setting = coalesce_usecs;
3760                 /* write the change to the register */
3761                 ice_write_itr(rc, coalesce_usecs);
3762                 /* force writes to take effect immediately, the flush shouldn't
3763                  * be done in the functions above because the intent is for
3764                  * them to do lazy writes.
3765                  */
3766                 ice_flush(&pf->hw);
3767         }
3768
3769         return 0;
3770 }
3771
3772 /**
3773  * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3774  * @vsi: VSI associated to the queue that need updating
3775  * @ec: coalesce settings to program the device with
3776  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3777  *
3778  * Return 0 on success, and negative under the following conditions:
3779  * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3780  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3781  */
3782 static int
3783 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3784 {
3785         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3786                 if (ice_set_rc_coalesce(ec,
3787                                         &vsi->rx_rings[q_num]->q_vector->rx,
3788                                         vsi))
3789                         return -EINVAL;
3790
3791                 if (ice_set_rc_coalesce(ec,
3792                                         &vsi->tx_rings[q_num]->q_vector->tx,
3793                                         vsi))
3794                         return -EINVAL;
3795         } else if (q_num < vsi->num_rxq) {
3796                 if (ice_set_rc_coalesce(ec,
3797                                         &vsi->rx_rings[q_num]->q_vector->rx,
3798                                         vsi))
3799                         return -EINVAL;
3800         } else if (q_num < vsi->num_txq) {
3801                 if (ice_set_rc_coalesce(ec,
3802                                         &vsi->tx_rings[q_num]->q_vector->tx,
3803                                         vsi))
3804                         return -EINVAL;
3805         } else {
3806                 return -EINVAL;
3807         }
3808
3809         return 0;
3810 }
3811
3812 /**
3813  * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3814  * @netdev: netdev used for print
3815  * @itr_setting: previous user setting
3816  * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3817  * @coalesce_usecs: requested value of [tx|rx]-usecs
3818  * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3819  */
3820 static void
3821 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3822                        u32 use_adaptive_coalesce, u32 coalesce_usecs,
3823                        const char *c_type_str)
3824 {
3825         if (use_adaptive_coalesce)
3826                 return;
3827
3828         if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3829                 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",
3830                             c_type_str, coalesce_usecs, c_type_str,
3831                             ITR_REG_ALIGN(coalesce_usecs));
3832 }
3833
3834 /**
3835  * __ice_set_coalesce - set ITR/INTRL values for the device
3836  * @netdev: pointer to the netdev associated with this query
3837  * @ec: ethtool structure to fill with driver's coalesce settings
3838  * @q_num: queue number to get the coalesce settings for
3839  *
3840  * If the caller passes in a negative q_num then we set the coalesce settings
3841  * for all Tx/Rx queues, else use the actual q_num passed in.
3842  */
3843 static int
3844 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3845                    int q_num)
3846 {
3847         struct ice_netdev_priv *np = netdev_priv(netdev);
3848         struct ice_vsi *vsi = np->vsi;
3849
3850         if (q_num < 0) {
3851                 struct ice_q_vector *q_vector = vsi->q_vectors[0];
3852                 int v_idx;
3853
3854                 if (q_vector) {
3855                         ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
3856                                                ec->use_adaptive_rx_coalesce,
3857                                                ec->rx_coalesce_usecs, "rx");
3858
3859                         ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
3860                                                ec->use_adaptive_tx_coalesce,
3861                                                ec->tx_coalesce_usecs, "tx");
3862                 }
3863
3864                 ice_for_each_q_vector(vsi, v_idx) {
3865                         /* In some cases if DCB is configured the num_[rx|tx]q
3866                          * can be less than vsi->num_q_vectors. This check
3867                          * accounts for that so we don't report a false failure
3868                          */
3869                         if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3870                                 goto set_complete;
3871
3872                         if (ice_set_q_coalesce(vsi, ec, v_idx))
3873                                 return -EINVAL;
3874
3875                         ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
3876                 }
3877                 goto set_complete;
3878         }
3879
3880         if (ice_set_q_coalesce(vsi, ec, q_num))
3881                 return -EINVAL;
3882
3883         ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
3884
3885 set_complete:
3886         return 0;
3887 }
3888
3889 static int ice_set_coalesce(struct net_device *netdev,
3890                             struct ethtool_coalesce *ec,
3891                             struct kernel_ethtool_coalesce *kernel_coal,
3892                             struct netlink_ext_ack *extack)
3893 {
3894         return __ice_set_coalesce(netdev, ec, -1);
3895 }
3896
3897 static int
3898 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3899                        struct ethtool_coalesce *ec)
3900 {
3901         return __ice_set_coalesce(netdev, ec, q_num);
3902 }
3903
3904 static void
3905 ice_repr_get_drvinfo(struct net_device *netdev,
3906                      struct ethtool_drvinfo *drvinfo)
3907 {
3908         struct ice_repr *repr = ice_netdev_to_repr(netdev);
3909
3910         if (ice_check_vf_ready_for_cfg(repr->vf))
3911                 return;
3912
3913         __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
3914 }
3915
3916 static void
3917 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
3918 {
3919         struct ice_repr *repr = ice_netdev_to_repr(netdev);
3920
3921         /* for port representors only ETH_SS_STATS is supported */
3922         if (ice_check_vf_ready_for_cfg(repr->vf) ||
3923             stringset != ETH_SS_STATS)
3924                 return;
3925
3926         __ice_get_strings(netdev, stringset, data, repr->src_vsi);
3927 }
3928
3929 static void
3930 ice_repr_get_ethtool_stats(struct net_device *netdev,
3931                            struct ethtool_stats __always_unused *stats,
3932                            u64 *data)
3933 {
3934         struct ice_repr *repr = ice_netdev_to_repr(netdev);
3935
3936         if (ice_check_vf_ready_for_cfg(repr->vf))
3937                 return;
3938
3939         __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
3940 }
3941
3942 static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
3943 {
3944         switch (sset) {
3945         case ETH_SS_STATS:
3946                 return ICE_VSI_STATS_LEN;
3947         default:
3948                 return -EOPNOTSUPP;
3949         }
3950 }
3951
3952 #define ICE_I2C_EEPROM_DEV_ADDR         0xA0
3953 #define ICE_I2C_EEPROM_DEV_ADDR2        0xA2
3954 #define ICE_MODULE_TYPE_SFP             0x03
3955 #define ICE_MODULE_TYPE_QSFP_PLUS       0x0D
3956 #define ICE_MODULE_TYPE_QSFP28          0x11
3957 #define ICE_MODULE_SFF_ADDR_MODE        0x04
3958 #define ICE_MODULE_SFF_DIAG_CAPAB       0x40
3959 #define ICE_MODULE_REVISION_ADDR        0x01
3960 #define ICE_MODULE_SFF_8472_COMP        0x5E
3961 #define ICE_MODULE_SFF_8472_SWAP        0x5C
3962 #define ICE_MODULE_QSFP_MAX_LEN         640
3963
3964 /**
3965  * ice_get_module_info - get SFF module type and revision information
3966  * @netdev: network interface device structure
3967  * @modinfo: module EEPROM size and layout information structure
3968  */
3969 static int
3970 ice_get_module_info(struct net_device *netdev,
3971                     struct ethtool_modinfo *modinfo)
3972 {
3973         struct ice_netdev_priv *np = netdev_priv(netdev);
3974         struct ice_vsi *vsi = np->vsi;
3975         struct ice_pf *pf = vsi->back;
3976         struct ice_hw *hw = &pf->hw;
3977         u8 sff8472_comp = 0;
3978         u8 sff8472_swap = 0;
3979         u8 sff8636_rev = 0;
3980         u8 value = 0;
3981         int status;
3982
3983         status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
3984                                    0, &value, 1, 0, NULL);
3985         if (status)
3986                 return status;
3987
3988         switch (value) {
3989         case ICE_MODULE_TYPE_SFP:
3990                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3991                                            ICE_MODULE_SFF_8472_COMP, 0x00, 0,
3992                                            &sff8472_comp, 1, 0, NULL);
3993                 if (status)
3994                         return status;
3995                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3996                                            ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
3997                                            &sff8472_swap, 1, 0, NULL);
3998                 if (status)
3999                         return status;
4000
4001                 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4002                         modinfo->type = ETH_MODULE_SFF_8079;
4003                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4004                 } else if (sff8472_comp &&
4005                            (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4006                         modinfo->type = ETH_MODULE_SFF_8472;
4007                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4008                 } else {
4009                         modinfo->type = ETH_MODULE_SFF_8079;
4010                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4011                 }
4012                 break;
4013         case ICE_MODULE_TYPE_QSFP_PLUS:
4014         case ICE_MODULE_TYPE_QSFP28:
4015                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4016                                            ICE_MODULE_REVISION_ADDR, 0x00, 0,
4017                                            &sff8636_rev, 1, 0, NULL);
4018                 if (status)
4019                         return status;
4020                 /* Check revision compliance */
4021                 if (sff8636_rev > 0x02) {
4022                         /* Module is SFF-8636 compliant */
4023                         modinfo->type = ETH_MODULE_SFF_8636;
4024                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4025                 } else {
4026                         modinfo->type = ETH_MODULE_SFF_8436;
4027                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4028                 }
4029                 break;
4030         default:
4031                 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4032                 return -EINVAL;
4033         }
4034         return 0;
4035 }
4036
4037 /**
4038  * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4039  * @netdev: network interface device structure
4040  * @ee: EEPROM dump request structure
4041  * @data: buffer to be filled with EEPROM contents
4042  */
4043 static int
4044 ice_get_module_eeprom(struct net_device *netdev,
4045                       struct ethtool_eeprom *ee, u8 *data)
4046 {
4047         struct ice_netdev_priv *np = netdev_priv(netdev);
4048 #define SFF_READ_BLOCK_SIZE 8
4049         u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4050         u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4051         struct ice_vsi *vsi = np->vsi;
4052         struct ice_pf *pf = vsi->back;
4053         struct ice_hw *hw = &pf->hw;
4054         bool is_sfp = false;
4055         unsigned int i, j;
4056         u16 offset = 0;
4057         u8 page = 0;
4058         int status;
4059
4060         if (!ee || !ee->len || !data)
4061                 return -EINVAL;
4062
4063         status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4064                                    NULL);
4065         if (status)
4066                 return status;
4067
4068         if (value[0] == ICE_MODULE_TYPE_SFP)
4069                 is_sfp = true;
4070
4071         memset(data, 0, ee->len);
4072         for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4073                 offset = i + ee->offset;
4074                 page = 0;
4075
4076                 /* Check if we need to access the other memory page */
4077                 if (is_sfp) {
4078                         if (offset >= ETH_MODULE_SFF_8079_LEN) {
4079                                 offset -= ETH_MODULE_SFF_8079_LEN;
4080                                 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4081                         }
4082                 } else {
4083                         while (offset >= ETH_MODULE_SFF_8436_LEN) {
4084                                 /* Compute memory page number and offset. */
4085                                 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4086                                 page++;
4087                         }
4088                 }
4089
4090                 /* Bit 2 of EEPROM address 0x02 declares upper
4091                  * pages are disabled on QSFP modules.
4092                  * SFP modules only ever use page 0.
4093                  */
4094                 if (page == 0 || !(data[0x2] & 0x4)) {
4095                         u32 copy_len;
4096
4097                         /* If i2c bus is busy due to slow page change or
4098                          * link management access, call can fail. This is normal.
4099                          * So we retry this a few times.
4100                          */
4101                         for (j = 0; j < 4; j++) {
4102                                 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4103                                                            !is_sfp, value,
4104                                                            SFF_READ_BLOCK_SIZE,
4105                                                            0, NULL);
4106                                 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4107                                            addr, offset, page, is_sfp,
4108                                            value[0], value[1], value[2], value[3],
4109                                            value[4], value[5], value[6], value[7],
4110                                            status);
4111                                 if (status) {
4112                                         usleep_range(1500, 2500);
4113                                         memset(value, 0, SFF_READ_BLOCK_SIZE);
4114                                         continue;
4115                                 }
4116                                 break;
4117                         }
4118
4119                         /* Make sure we have enough room for the new block */
4120                         copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4121                         memcpy(data + i, value, copy_len);
4122                 }
4123         }
4124         return 0;
4125 }
4126
4127 static const struct ethtool_ops ice_ethtool_ops = {
4128         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4129                                      ETHTOOL_COALESCE_USE_ADAPTIVE |
4130                                      ETHTOOL_COALESCE_RX_USECS_HIGH,
4131         .get_link_ksettings     = ice_get_link_ksettings,
4132         .set_link_ksettings     = ice_set_link_ksettings,
4133         .get_drvinfo            = ice_get_drvinfo,
4134         .get_regs_len           = ice_get_regs_len,
4135         .get_regs               = ice_get_regs,
4136         .get_wol                = ice_get_wol,
4137         .set_wol                = ice_set_wol,
4138         .get_msglevel           = ice_get_msglevel,
4139         .set_msglevel           = ice_set_msglevel,
4140         .self_test              = ice_self_test,
4141         .get_link               = ethtool_op_get_link,
4142         .get_eeprom_len         = ice_get_eeprom_len,
4143         .get_eeprom             = ice_get_eeprom,
4144         .get_coalesce           = ice_get_coalesce,
4145         .set_coalesce           = ice_set_coalesce,
4146         .get_strings            = ice_get_strings,
4147         .set_phys_id            = ice_set_phys_id,
4148         .get_ethtool_stats      = ice_get_ethtool_stats,
4149         .get_priv_flags         = ice_get_priv_flags,
4150         .set_priv_flags         = ice_set_priv_flags,
4151         .get_sset_count         = ice_get_sset_count,
4152         .get_rxnfc              = ice_get_rxnfc,
4153         .set_rxnfc              = ice_set_rxnfc,
4154         .get_ringparam          = ice_get_ringparam,
4155         .set_ringparam          = ice_set_ringparam,
4156         .nway_reset             = ice_nway_reset,
4157         .get_pauseparam         = ice_get_pauseparam,
4158         .set_pauseparam         = ice_set_pauseparam,
4159         .get_rxfh_key_size      = ice_get_rxfh_key_size,
4160         .get_rxfh_indir_size    = ice_get_rxfh_indir_size,
4161         .get_rxfh_context       = ice_get_rxfh_context,
4162         .get_rxfh               = ice_get_rxfh,
4163         .set_rxfh               = ice_set_rxfh,
4164         .get_channels           = ice_get_channels,
4165         .set_channels           = ice_set_channels,
4166         .get_ts_info            = ice_get_ts_info,
4167         .get_per_queue_coalesce = ice_get_per_q_coalesce,
4168         .set_per_queue_coalesce = ice_set_per_q_coalesce,
4169         .get_fecparam           = ice_get_fecparam,
4170         .set_fecparam           = ice_set_fecparam,
4171         .get_module_info        = ice_get_module_info,
4172         .get_module_eeprom      = ice_get_module_eeprom,
4173 };
4174
4175 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4176         .get_link_ksettings     = ice_get_link_ksettings,
4177         .set_link_ksettings     = ice_set_link_ksettings,
4178         .get_drvinfo            = ice_get_drvinfo,
4179         .get_regs_len           = ice_get_regs_len,
4180         .get_regs               = ice_get_regs,
4181         .get_wol                = ice_get_wol,
4182         .set_wol                = ice_set_wol,
4183         .get_msglevel           = ice_get_msglevel,
4184         .set_msglevel           = ice_set_msglevel,
4185         .get_link               = ethtool_op_get_link,
4186         .get_eeprom_len         = ice_get_eeprom_len,
4187         .get_eeprom             = ice_get_eeprom,
4188         .get_strings            = ice_get_strings,
4189         .get_ethtool_stats      = ice_get_ethtool_stats,
4190         .get_sset_count         = ice_get_sset_count,
4191         .get_ringparam          = ice_get_ringparam,
4192         .set_ringparam          = ice_set_ringparam,
4193         .nway_reset             = ice_nway_reset,
4194         .get_channels           = ice_get_channels,
4195 };
4196
4197 /**
4198  * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4199  * @netdev: network interface device structure
4200  */
4201 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4202 {
4203         netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4204 }
4205
4206 static const struct ethtool_ops ice_ethtool_repr_ops = {
4207         .get_drvinfo            = ice_repr_get_drvinfo,
4208         .get_link               = ethtool_op_get_link,
4209         .get_strings            = ice_repr_get_strings,
4210         .get_ethtool_stats      = ice_repr_get_ethtool_stats,
4211         .get_sset_count         = ice_repr_get_sset_count,
4212 };
4213
4214 /**
4215  * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4216  * @netdev: network interface device structure
4217  */
4218 void ice_set_ethtool_repr_ops(struct net_device *netdev)
4219 {
4220         netdev->ethtool_ops = &ice_ethtool_repr_ops;
4221 }
4222
4223 /**
4224  * ice_set_ethtool_ops - setup netdev ethtool ops
4225  * @netdev: network interface device structure
4226  *
4227  * setup netdev ethtool ops with ice specific ops
4228  */
4229 void ice_set_ethtool_ops(struct net_device *netdev)
4230 {
4231         netdev->ethtool_ops = &ice_ethtool_ops;
4232 }