linux/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
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   1/**********************************************************************
   2 * Author: Cavium, Inc.
   3 *
   4 * Contact: support@cavium.com
   5 *          Please include "LiquidIO" in the subject.
   6 *
   7 * Copyright (c) 2003-2016 Cavium, Inc.
   8 *
   9 * This file is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License, Version 2, as
  11 * published by the Free Software Foundation.
  12 *
  13 * This file is distributed in the hope that it will be useful, but
  14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
  15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
  16 * NONINFRINGEMENT.  See the GNU General Public License for more details.
  17 ***********************************************************************/
  18#include <linux/ethtool.h>
  19#include <linux/netdevice.h>
  20#include <linux/net_tstamp.h>
  21#include <linux/pci.h>
  22#include "liquidio_common.h"
  23#include "octeon_droq.h"
  24#include "octeon_iq.h"
  25#include "response_manager.h"
  26#include "octeon_device.h"
  27#include "octeon_nic.h"
  28#include "octeon_main.h"
  29#include "octeon_network.h"
  30#include "cn66xx_regs.h"
  31#include "cn66xx_device.h"
  32#include "cn23xx_pf_device.h"
  33#include "cn23xx_vf_device.h"
  34
  35static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs);
  36
  37struct oct_intrmod_resp {
  38        u64     rh;
  39        struct oct_intrmod_cfg intrmod;
  40        u64     status;
  41};
  42
  43struct oct_mdio_cmd_resp {
  44        u64 rh;
  45        struct oct_mdio_cmd resp;
  46        u64 status;
  47};
  48
  49#define OCT_MDIO45_RESP_SIZE   (sizeof(struct oct_mdio_cmd_resp))
  50
  51/* Octeon's interface mode of operation */
  52enum {
  53        INTERFACE_MODE_DISABLED,
  54        INTERFACE_MODE_RGMII,
  55        INTERFACE_MODE_GMII,
  56        INTERFACE_MODE_SPI,
  57        INTERFACE_MODE_PCIE,
  58        INTERFACE_MODE_XAUI,
  59        INTERFACE_MODE_SGMII,
  60        INTERFACE_MODE_PICMG,
  61        INTERFACE_MODE_NPI,
  62        INTERFACE_MODE_LOOP,
  63        INTERFACE_MODE_SRIO,
  64        INTERFACE_MODE_ILK,
  65        INTERFACE_MODE_RXAUI,
  66        INTERFACE_MODE_QSGMII,
  67        INTERFACE_MODE_AGL,
  68        INTERFACE_MODE_XLAUI,
  69        INTERFACE_MODE_XFI,
  70        INTERFACE_MODE_10G_KR,
  71        INTERFACE_MODE_40G_KR4,
  72        INTERFACE_MODE_MIXED,
  73};
  74
  75#define OCT_ETHTOOL_REGDUMP_LEN  4096
  76#define OCT_ETHTOOL_REGDUMP_LEN_23XX  (4096 * 11)
  77#define OCT_ETHTOOL_REGDUMP_LEN_23XX_VF  (4096 * 2)
  78#define OCT_ETHTOOL_REGSVER  1
  79
  80/* statistics of PF */
  81static const char oct_stats_strings[][ETH_GSTRING_LEN] = {
  82        "rx_packets",
  83        "tx_packets",
  84        "rx_bytes",
  85        "tx_bytes",
  86        "rx_errors",
  87        "tx_errors",
  88        "rx_dropped",
  89        "tx_dropped",
  90
  91        "tx_total_sent",
  92        "tx_total_fwd",
  93        "tx_err_pko",
  94        "tx_err_pki",
  95        "tx_err_link",
  96        "tx_err_drop",
  97
  98        "tx_tso",
  99        "tx_tso_packets",
 100        "tx_tso_err",
 101        "tx_vxlan",
 102
 103        "tx_mcast",
 104        "tx_bcast",
 105
 106        "mac_tx_total_pkts",
 107        "mac_tx_total_bytes",
 108        "mac_tx_mcast_pkts",
 109        "mac_tx_bcast_pkts",
 110        "mac_tx_ctl_packets",
 111        "mac_tx_total_collisions",
 112        "mac_tx_one_collision",
 113        "mac_tx_multi_collision",
 114        "mac_tx_max_collision_fail",
 115        "mac_tx_max_deferral_fail",
 116        "mac_tx_fifo_err",
 117        "mac_tx_runts",
 118
 119        "rx_total_rcvd",
 120        "rx_total_fwd",
 121        "rx_mcast",
 122        "rx_bcast",
 123        "rx_jabber_err",
 124        "rx_l2_err",
 125        "rx_frame_err",
 126        "rx_err_pko",
 127        "rx_err_link",
 128        "rx_err_drop",
 129
 130        "rx_vxlan",
 131        "rx_vxlan_err",
 132
 133        "rx_lro_pkts",
 134        "rx_lro_bytes",
 135        "rx_total_lro",
 136
 137        "rx_lro_aborts",
 138        "rx_lro_aborts_port",
 139        "rx_lro_aborts_seq",
 140        "rx_lro_aborts_tsval",
 141        "rx_lro_aborts_timer",
 142        "rx_fwd_rate",
 143
 144        "mac_rx_total_rcvd",
 145        "mac_rx_bytes",
 146        "mac_rx_total_bcst",
 147        "mac_rx_total_mcst",
 148        "mac_rx_runts",
 149        "mac_rx_ctl_packets",
 150        "mac_rx_fifo_err",
 151        "mac_rx_dma_drop",
 152        "mac_rx_fcs_err",
 153
 154        "link_state_changes",
 155};
 156
 157/* statistics of VF */
 158static const char oct_vf_stats_strings[][ETH_GSTRING_LEN] = {
 159        "rx_packets",
 160        "tx_packets",
 161        "rx_bytes",
 162        "tx_bytes",
 163        "rx_errors",
 164        "tx_errors",
 165        "rx_dropped",
 166        "tx_dropped",
 167        "rx_mcast",
 168        "tx_mcast",
 169        "rx_bcast",
 170        "tx_bcast",
 171        "link_state_changes",
 172};
 173
 174/* statistics of host tx queue */
 175static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = {
 176        "packets",
 177        "bytes",
 178        "dropped",
 179        "iq_busy",
 180        "sgentry_sent",
 181
 182        "fw_instr_posted",
 183        "fw_instr_processed",
 184        "fw_instr_dropped",
 185        "fw_bytes_sent",
 186
 187        "tso",
 188        "vxlan",
 189        "txq_restart",
 190};
 191
 192/* statistics of host rx queue */
 193static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = {
 194        "packets",
 195        "bytes",
 196        "dropped",
 197        "dropped_nomem",
 198        "dropped_toomany",
 199        "fw_dropped",
 200        "fw_pkts_received",
 201        "fw_bytes_received",
 202        "fw_dropped_nodispatch",
 203
 204        "vxlan",
 205        "buffer_alloc_failure",
 206};
 207
 208/* LiquidIO driver private flags */
 209static const char oct_priv_flags_strings[][ETH_GSTRING_LEN] = {
 210};
 211
 212#define OCTNIC_NCMD_AUTONEG_ON  0x1
 213#define OCTNIC_NCMD_PHY_ON      0x2
 214
 215static int lio_get_link_ksettings(struct net_device *netdev,
 216                                  struct ethtool_link_ksettings *ecmd)
 217{
 218        struct lio *lio = GET_LIO(netdev);
 219        struct octeon_device *oct = lio->oct_dev;
 220        struct oct_link_info *linfo;
 221
 222        linfo = &lio->linfo;
 223
 224        ethtool_link_ksettings_zero_link_mode(ecmd, supported);
 225        ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
 226
 227        switch (linfo->link.s.phy_type) {
 228        case LIO_PHY_PORT_TP:
 229                ecmd->base.port = PORT_TP;
 230                ecmd->base.autoneg = AUTONEG_DISABLE;
 231                ethtool_link_ksettings_add_link_mode(ecmd, supported, TP);
 232                ethtool_link_ksettings_add_link_mode(ecmd, supported, Pause);
 233                ethtool_link_ksettings_add_link_mode(ecmd, supported,
 234                                                     10000baseT_Full);
 235
 236                ethtool_link_ksettings_add_link_mode(ecmd, advertising, Pause);
 237                ethtool_link_ksettings_add_link_mode(ecmd, advertising,
 238                                                     10000baseT_Full);
 239
 240                break;
 241
 242        case LIO_PHY_PORT_FIBRE:
 243                if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI ||
 244                    linfo->link.s.if_mode == INTERFACE_MODE_RXAUI ||
 245                    linfo->link.s.if_mode == INTERFACE_MODE_XLAUI ||
 246                    linfo->link.s.if_mode == INTERFACE_MODE_XFI) {
 247                        dev_dbg(&oct->pci_dev->dev, "ecmd->base.transceiver is XCVR_EXTERNAL\n");
 248                        ecmd->base.transceiver = XCVR_EXTERNAL;
 249                } else {
 250                        dev_err(&oct->pci_dev->dev, "Unknown link interface mode: %d\n",
 251                                linfo->link.s.if_mode);
 252                }
 253
 254                ecmd->base.port = PORT_FIBRE;
 255                ecmd->base.autoneg = AUTONEG_DISABLE;
 256                ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE);
 257
 258                ethtool_link_ksettings_add_link_mode(ecmd, supported, Pause);
 259                ethtool_link_ksettings_add_link_mode(ecmd, advertising, Pause);
 260                if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
 261                    oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) {
 262                        if (OCTEON_CN23XX_PF(oct)) {
 263                                ethtool_link_ksettings_add_link_mode
 264                                        (ecmd, supported, 25000baseSR_Full);
 265                                ethtool_link_ksettings_add_link_mode
 266                                        (ecmd, supported, 25000baseKR_Full);
 267                                ethtool_link_ksettings_add_link_mode
 268                                        (ecmd, supported, 25000baseCR_Full);
 269
 270                                if (oct->no_speed_setting == 0)  {
 271                                        ethtool_link_ksettings_add_link_mode
 272                                                (ecmd, supported,
 273                                                 10000baseSR_Full);
 274                                        ethtool_link_ksettings_add_link_mode
 275                                                (ecmd, supported,
 276                                                 10000baseKR_Full);
 277                                        ethtool_link_ksettings_add_link_mode
 278                                                (ecmd, supported,
 279                                                 10000baseCR_Full);
 280                                }
 281
 282                                if (oct->no_speed_setting == 0) {
 283                                        liquidio_get_speed(lio);
 284                                        liquidio_get_fec(lio);
 285                                } else {
 286                                        oct->speed_setting = 25;
 287                                }
 288
 289                                if (oct->speed_setting == 10) {
 290                                        ethtool_link_ksettings_add_link_mode
 291                                                (ecmd, advertising,
 292                                                 10000baseSR_Full);
 293                                        ethtool_link_ksettings_add_link_mode
 294                                                (ecmd, advertising,
 295                                                 10000baseKR_Full);
 296                                        ethtool_link_ksettings_add_link_mode
 297                                                (ecmd, advertising,
 298                                                 10000baseCR_Full);
 299                                }
 300                                if (oct->speed_setting == 25) {
 301                                        ethtool_link_ksettings_add_link_mode
 302                                                (ecmd, advertising,
 303                                                 25000baseSR_Full);
 304                                        ethtool_link_ksettings_add_link_mode
 305                                                (ecmd, advertising,
 306                                                 25000baseKR_Full);
 307                                        ethtool_link_ksettings_add_link_mode
 308                                                (ecmd, advertising,
 309                                                 25000baseCR_Full);
 310                                }
 311
 312                                if (oct->no_speed_setting)
 313                                        break;
 314
 315                                ethtool_link_ksettings_add_link_mode
 316                                        (ecmd, supported, FEC_RS);
 317                                ethtool_link_ksettings_add_link_mode
 318                                        (ecmd, supported, FEC_NONE);
 319                                        /*FEC_OFF*/
 320                                if (oct->props[lio->ifidx].fec == 1) {
 321                                        /* ETHTOOL_FEC_RS */
 322                                        ethtool_link_ksettings_add_link_mode
 323                                                (ecmd, advertising, FEC_RS);
 324                                } else {
 325                                        /* ETHTOOL_FEC_OFF */
 326                                        ethtool_link_ksettings_add_link_mode
 327                                                (ecmd, advertising, FEC_NONE);
 328                                }
 329                        } else { /* VF */
 330                                if (linfo->link.s.speed == 10000) {
 331                                        ethtool_link_ksettings_add_link_mode
 332                                                (ecmd, supported,
 333                                                 10000baseSR_Full);
 334                                        ethtool_link_ksettings_add_link_mode
 335                                                (ecmd, supported,
 336                                                 10000baseKR_Full);
 337                                        ethtool_link_ksettings_add_link_mode
 338                                                (ecmd, supported,
 339                                                 10000baseCR_Full);
 340
 341                                        ethtool_link_ksettings_add_link_mode
 342                                                (ecmd, advertising,
 343                                                 10000baseSR_Full);
 344                                        ethtool_link_ksettings_add_link_mode
 345                                                (ecmd, advertising,
 346                                                 10000baseKR_Full);
 347                                        ethtool_link_ksettings_add_link_mode
 348                                                (ecmd, advertising,
 349                                                 10000baseCR_Full);
 350                                }
 351
 352                                if (linfo->link.s.speed == 25000) {
 353                                        ethtool_link_ksettings_add_link_mode
 354                                                (ecmd, supported,
 355                                                 25000baseSR_Full);
 356                                        ethtool_link_ksettings_add_link_mode
 357                                                (ecmd, supported,
 358                                                 25000baseKR_Full);
 359                                        ethtool_link_ksettings_add_link_mode
 360                                                (ecmd, supported,
 361                                                 25000baseCR_Full);
 362
 363                                        ethtool_link_ksettings_add_link_mode
 364                                                (ecmd, advertising,
 365                                                 25000baseSR_Full);
 366                                        ethtool_link_ksettings_add_link_mode
 367                                                (ecmd, advertising,
 368                                                 25000baseKR_Full);
 369                                        ethtool_link_ksettings_add_link_mode
 370                                                (ecmd, advertising,
 371                                                 25000baseCR_Full);
 372                                }
 373                        }
 374                } else {
 375                        ethtool_link_ksettings_add_link_mode(ecmd, supported,
 376                                                             10000baseT_Full);
 377                        ethtool_link_ksettings_add_link_mode(ecmd, advertising,
 378                                                             10000baseT_Full);
 379                }
 380                break;
 381        }
 382
 383        if (linfo->link.s.link_up) {
 384                ecmd->base.speed = linfo->link.s.speed;
 385                ecmd->base.duplex = linfo->link.s.duplex;
 386        } else {
 387                ecmd->base.speed = SPEED_UNKNOWN;
 388                ecmd->base.duplex = DUPLEX_UNKNOWN;
 389        }
 390
 391        return 0;
 392}
 393
 394static int lio_set_link_ksettings(struct net_device *netdev,
 395                                  const struct ethtool_link_ksettings *ecmd)
 396{
 397        const int speed = ecmd->base.speed;
 398        struct lio *lio = GET_LIO(netdev);
 399        struct oct_link_info *linfo;
 400        struct octeon_device *oct;
 401
 402        oct = lio->oct_dev;
 403
 404        linfo = &lio->linfo;
 405
 406        if (!(oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
 407              oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID))
 408                return -EOPNOTSUPP;
 409
 410        if (oct->no_speed_setting) {
 411                dev_err(&oct->pci_dev->dev, "%s: Changing speed is not supported\n",
 412                        __func__);
 413                return -EOPNOTSUPP;
 414        }
 415
 416        if ((ecmd->base.duplex != DUPLEX_UNKNOWN &&
 417             ecmd->base.duplex != linfo->link.s.duplex) ||
 418             ecmd->base.autoneg != AUTONEG_DISABLE ||
 419            (ecmd->base.speed != 10000 && ecmd->base.speed != 25000 &&
 420             ecmd->base.speed != SPEED_UNKNOWN))
 421                return -EOPNOTSUPP;
 422
 423        if ((oct->speed_boot == speed / 1000) &&
 424            oct->speed_boot == oct->speed_setting)
 425                return 0;
 426
 427        liquidio_set_speed(lio, speed / 1000);
 428
 429        dev_dbg(&oct->pci_dev->dev, "Port speed is set to %dG\n",
 430                oct->speed_setting);
 431
 432        return 0;
 433}
 434
 435static void
 436lio_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 437{
 438        struct lio *lio;
 439        struct octeon_device *oct;
 440
 441        lio = GET_LIO(netdev);
 442        oct = lio->oct_dev;
 443
 444        memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
 445        strcpy(drvinfo->driver, "liquidio");
 446        strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
 447                ETHTOOL_FWVERS_LEN);
 448        strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
 449}
 450
 451static void
 452lio_get_vf_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 453{
 454        struct octeon_device *oct;
 455        struct lio *lio;
 456
 457        lio = GET_LIO(netdev);
 458        oct = lio->oct_dev;
 459
 460        memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
 461        strcpy(drvinfo->driver, "liquidio_vf");
 462        strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
 463                ETHTOOL_FWVERS_LEN);
 464        strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
 465}
 466
 467static int
 468lio_send_queue_count_update(struct net_device *netdev, uint32_t num_queues)
 469{
 470        struct lio *lio = GET_LIO(netdev);
 471        struct octeon_device *oct = lio->oct_dev;
 472        struct octnic_ctrl_pkt nctrl;
 473        int ret = 0;
 474
 475        memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
 476
 477        nctrl.ncmd.u64 = 0;
 478        nctrl.ncmd.s.cmd = OCTNET_CMD_QUEUE_COUNT_CTL;
 479        nctrl.ncmd.s.param1 = num_queues;
 480        nctrl.ncmd.s.param2 = num_queues;
 481        nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
 482        nctrl.netpndev = (u64)netdev;
 483        nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
 484
 485        ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
 486        if (ret) {
 487                dev_err(&oct->pci_dev->dev, "Failed to send Queue reset command (ret: 0x%x)\n",
 488                        ret);
 489                return -1;
 490        }
 491
 492        return 0;
 493}
 494
 495static void
 496lio_ethtool_get_channels(struct net_device *dev,
 497                         struct ethtool_channels *channel)
 498{
 499        struct lio *lio = GET_LIO(dev);
 500        struct octeon_device *oct = lio->oct_dev;
 501        u32 max_rx = 0, max_tx = 0, tx_count = 0, rx_count = 0;
 502        u32 combined_count = 0, max_combined = 0;
 503
 504        if (OCTEON_CN6XXX(oct)) {
 505                struct octeon_config *conf6x = CHIP_CONF(oct, cn6xxx);
 506
 507                max_rx = CFG_GET_OQ_MAX_Q(conf6x);
 508                max_tx = CFG_GET_IQ_MAX_Q(conf6x);
 509                rx_count = CFG_GET_NUM_RXQS_NIC_IF(conf6x, lio->ifidx);
 510                tx_count = CFG_GET_NUM_TXQS_NIC_IF(conf6x, lio->ifidx);
 511        } else if (OCTEON_CN23XX_PF(oct)) {
 512                if (oct->sriov_info.sriov_enabled) {
 513                        max_combined = lio->linfo.num_txpciq;
 514                } else {
 515                        struct octeon_config *conf23_pf =
 516                                CHIP_CONF(oct, cn23xx_pf);
 517
 518                        max_combined = CFG_GET_IQ_MAX_Q(conf23_pf);
 519                }
 520                combined_count = oct->num_iqs;
 521        } else if (OCTEON_CN23XX_VF(oct)) {
 522                u64 reg_val = 0ULL;
 523                u64 ctrl = CN23XX_VF_SLI_IQ_PKT_CONTROL64(0);
 524
 525                reg_val = octeon_read_csr64(oct, ctrl);
 526                reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS;
 527                max_combined = reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK;
 528                combined_count = oct->num_iqs;
 529        }
 530
 531        channel->max_rx = max_rx;
 532        channel->max_tx = max_tx;
 533        channel->max_combined = max_combined;
 534        channel->rx_count = rx_count;
 535        channel->tx_count = tx_count;
 536        channel->combined_count = combined_count;
 537}
 538
 539static int
 540lio_irq_reallocate_irqs(struct octeon_device *oct, uint32_t num_ioqs)
 541{
 542        struct msix_entry *msix_entries;
 543        int num_msix_irqs = 0;
 544        int i;
 545
 546        if (!oct->msix_on)
 547                return 0;
 548
 549        /* Disable the input and output queues now. No more packets will
 550         * arrive from Octeon.
 551         */
 552        oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR);
 553
 554        if (oct->msix_on) {
 555                if (OCTEON_CN23XX_PF(oct))
 556                        num_msix_irqs = oct->num_msix_irqs - 1;
 557                else if (OCTEON_CN23XX_VF(oct))
 558                        num_msix_irqs = oct->num_msix_irqs;
 559
 560                msix_entries = (struct msix_entry *)oct->msix_entries;
 561                for (i = 0; i < num_msix_irqs; i++) {
 562                        if (oct->ioq_vector[i].vector) {
 563                                /* clear the affinity_cpumask */
 564                                irq_set_affinity_hint(msix_entries[i].vector,
 565                                                      NULL);
 566                                free_irq(msix_entries[i].vector,
 567                                         &oct->ioq_vector[i]);
 568                                oct->ioq_vector[i].vector = 0;
 569                        }
 570                }
 571
 572                /* non-iov vector's argument is oct struct */
 573                if (OCTEON_CN23XX_PF(oct))
 574                        free_irq(msix_entries[i].vector, oct);
 575
 576                pci_disable_msix(oct->pci_dev);
 577                kfree(oct->msix_entries);
 578                oct->msix_entries = NULL;
 579        }
 580
 581        kfree(oct->irq_name_storage);
 582        oct->irq_name_storage = NULL;
 583
 584        if (octeon_allocate_ioq_vector(oct, num_ioqs)) {
 585                dev_err(&oct->pci_dev->dev, "OCTEON: ioq vector allocation failed\n");
 586                return -1;
 587        }
 588
 589        if (octeon_setup_interrupt(oct, num_ioqs)) {
 590                dev_info(&oct->pci_dev->dev, "Setup interrupt failed\n");
 591                return -1;
 592        }
 593
 594        /* Enable Octeon device interrupts */
 595        oct->fn_list.enable_interrupt(oct, OCTEON_ALL_INTR);
 596
 597        return 0;
 598}
 599
 600static int
 601lio_ethtool_set_channels(struct net_device *dev,
 602                         struct ethtool_channels *channel)
 603{
 604        u32 combined_count, max_combined;
 605        struct lio *lio = GET_LIO(dev);
 606        struct octeon_device *oct = lio->oct_dev;
 607        int stopped = 0;
 608
 609        if (strcmp(oct->fw_info.liquidio_firmware_version, "1.6.1") < 0) {
 610                dev_err(&oct->pci_dev->dev, "Minimum firmware version required is 1.6.1\n");
 611                return -EINVAL;
 612        }
 613
 614        if (!channel->combined_count || channel->other_count ||
 615            channel->rx_count || channel->tx_count)
 616                return -EINVAL;
 617
 618        combined_count = channel->combined_count;
 619
 620        if (OCTEON_CN23XX_PF(oct)) {
 621                if (oct->sriov_info.sriov_enabled) {
 622                        max_combined = lio->linfo.num_txpciq;
 623                } else {
 624                        struct octeon_config *conf23_pf =
 625                                CHIP_CONF(oct,
 626                                          cn23xx_pf);
 627
 628                        max_combined =
 629                                CFG_GET_IQ_MAX_Q(conf23_pf);
 630                }
 631        } else if (OCTEON_CN23XX_VF(oct)) {
 632                u64 reg_val = 0ULL;
 633                u64 ctrl = CN23XX_VF_SLI_IQ_PKT_CONTROL64(0);
 634
 635                reg_val = octeon_read_csr64(oct, ctrl);
 636                reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS;
 637                max_combined = reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK;
 638        } else {
 639                return -EINVAL;
 640        }
 641
 642        if (combined_count > max_combined || combined_count < 1)
 643                return -EINVAL;
 644
 645        if (combined_count == oct->num_iqs)
 646                return 0;
 647
 648        ifstate_set(lio, LIO_IFSTATE_RESETTING);
 649
 650        if (netif_running(dev)) {
 651                dev->netdev_ops->ndo_stop(dev);
 652                stopped = 1;
 653        }
 654
 655        if (lio_reset_queues(dev, combined_count))
 656                return -EINVAL;
 657
 658        if (stopped)
 659                dev->netdev_ops->ndo_open(dev);
 660
 661        ifstate_reset(lio, LIO_IFSTATE_RESETTING);
 662
 663        return 0;
 664}
 665
 666static int lio_get_eeprom_len(struct net_device *netdev)
 667{
 668        u8 buf[192];
 669        struct lio *lio = GET_LIO(netdev);
 670        struct octeon_device *oct_dev = lio->oct_dev;
 671        struct octeon_board_info *board_info;
 672        int len;
 673
 674        board_info = (struct octeon_board_info *)(&oct_dev->boardinfo);
 675        len = sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n",
 676                      board_info->name, board_info->serial_number,
 677                      board_info->major, board_info->minor);
 678
 679        return len;
 680}
 681
 682static int
 683lio_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 684               u8 *bytes)
 685{
 686        struct lio *lio = GET_LIO(netdev);
 687        struct octeon_device *oct_dev = lio->oct_dev;
 688        struct octeon_board_info *board_info;
 689
 690        if (eeprom->offset)
 691                return -EINVAL;
 692
 693        eeprom->magic = oct_dev->pci_dev->vendor;
 694        board_info = (struct octeon_board_info *)(&oct_dev->boardinfo);
 695        sprintf((char *)bytes,
 696                "boardname:%s serialnum:%s maj:%lld min:%lld\n",
 697                board_info->name, board_info->serial_number,
 698                board_info->major, board_info->minor);
 699
 700        return 0;
 701}
 702
 703static int octnet_gpio_access(struct net_device *netdev, int addr, int val)
 704{
 705        struct lio *lio = GET_LIO(netdev);
 706        struct octeon_device *oct = lio->oct_dev;
 707        struct octnic_ctrl_pkt nctrl;
 708        int ret = 0;
 709
 710        memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
 711
 712        nctrl.ncmd.u64 = 0;
 713        nctrl.ncmd.s.cmd = OCTNET_CMD_GPIO_ACCESS;
 714        nctrl.ncmd.s.param1 = addr;
 715        nctrl.ncmd.s.param2 = val;
 716        nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
 717        nctrl.netpndev = (u64)netdev;
 718        nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
 719
 720        ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
 721        if (ret) {
 722                dev_err(&oct->pci_dev->dev,
 723                        "Failed to configure gpio value, ret=%d\n", ret);
 724                return -EINVAL;
 725        }
 726
 727        return 0;
 728}
 729
 730static int octnet_id_active(struct net_device *netdev, int val)
 731{
 732        struct lio *lio = GET_LIO(netdev);
 733        struct octeon_device *oct = lio->oct_dev;
 734        struct octnic_ctrl_pkt nctrl;
 735        int ret = 0;
 736
 737        memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
 738
 739        nctrl.ncmd.u64 = 0;
 740        nctrl.ncmd.s.cmd = OCTNET_CMD_ID_ACTIVE;
 741        nctrl.ncmd.s.param1 = val;
 742        nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
 743        nctrl.netpndev = (u64)netdev;
 744        nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
 745
 746        ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
 747        if (ret) {
 748                dev_err(&oct->pci_dev->dev,
 749                        "Failed to configure gpio value, ret=%d\n", ret);
 750                return -EINVAL;
 751        }
 752
 753        return 0;
 754}
 755
 756/* This routine provides PHY access routines for
 757 * mdio  clause45 .
 758 */
 759static int
 760octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
 761{
 762        struct octeon_device *oct_dev = lio->oct_dev;
 763        struct octeon_soft_command *sc;
 764        struct oct_mdio_cmd_resp *mdio_cmd_rsp;
 765        struct oct_mdio_cmd *mdio_cmd;
 766        int retval = 0;
 767
 768        sc = (struct octeon_soft_command *)
 769                octeon_alloc_soft_command(oct_dev,
 770                                          sizeof(struct oct_mdio_cmd),
 771                                          sizeof(struct oct_mdio_cmd_resp), 0);
 772
 773        if (!sc)
 774                return -ENOMEM;
 775
 776        mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
 777        mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr;
 778
 779        mdio_cmd->op = op;
 780        mdio_cmd->mdio_addr = loc;
 781        if (op)
 782                mdio_cmd->value1 = *value;
 783        octeon_swap_8B_data((u64 *)mdio_cmd, sizeof(struct oct_mdio_cmd) / 8);
 784
 785        sc->iq_no = lio->linfo.txpciq[0].s.q_no;
 786
 787        octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_MDIO45,
 788                                    0, 0, 0);
 789
 790        init_completion(&sc->complete);
 791        sc->sc_status = OCTEON_REQUEST_PENDING;
 792
 793        retval = octeon_send_soft_command(oct_dev, sc);
 794        if (retval == IQ_SEND_FAILED) {
 795                dev_err(&oct_dev->pci_dev->dev,
 796                        "octnet_mdio45_access instruction failed status: %x\n",
 797                        retval);
 798                octeon_free_soft_command(oct_dev, sc);
 799                return -EBUSY;
 800        } else {
 801                /* Sleep on a wait queue till the cond flag indicates that the
 802                 * response arrived
 803                 */
 804                retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
 805                if (retval)
 806                        return retval;
 807
 808                retval = mdio_cmd_rsp->status;
 809                if (retval) {
 810                        dev_err(&oct_dev->pci_dev->dev,
 811                                "octnet mdio45 access failed: %x\n", retval);
 812                        WRITE_ONCE(sc->caller_is_done, true);
 813                        return -EBUSY;
 814                }
 815
 816                octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
 817                                    sizeof(struct oct_mdio_cmd) / 8);
 818
 819                if (!op)
 820                        *value = mdio_cmd_rsp->resp.value1;
 821
 822                WRITE_ONCE(sc->caller_is_done, true);
 823        }
 824
 825        return retval;
 826}
 827
 828static int lio_set_phys_id(struct net_device *netdev,
 829                           enum ethtool_phys_id_state state)
 830{
 831        struct lio *lio = GET_LIO(netdev);
 832        struct octeon_device *oct = lio->oct_dev;
 833        struct oct_link_info *linfo;
 834        int value, ret;
 835        u32 cur_ver;
 836
 837        linfo = &lio->linfo;
 838        cur_ver = OCT_FW_VER(oct->fw_info.ver.maj,
 839                             oct->fw_info.ver.min,
 840                             oct->fw_info.ver.rev);
 841
 842        switch (state) {
 843        case ETHTOOL_ID_ACTIVE:
 844                if (oct->chip_id == OCTEON_CN66XX) {
 845                        octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 846                                           VITESSE_PHY_GPIO_DRIVEON);
 847                        return 2;
 848
 849                } else if (oct->chip_id == OCTEON_CN68XX) {
 850                        /* Save the current LED settings */
 851                        ret = octnet_mdio45_access(lio, 0,
 852                                                   LIO68XX_LED_BEACON_ADDR,
 853                                                   &lio->phy_beacon_val);
 854                        if (ret)
 855                                return ret;
 856
 857                        ret = octnet_mdio45_access(lio, 0,
 858                                                   LIO68XX_LED_CTRL_ADDR,
 859                                                   &lio->led_ctrl_val);
 860                        if (ret)
 861                                return ret;
 862
 863                        /* Configure Beacon values */
 864                        value = LIO68XX_LED_BEACON_CFGON;
 865                        ret = octnet_mdio45_access(lio, 1,
 866                                                   LIO68XX_LED_BEACON_ADDR,
 867                                                   &value);
 868                        if (ret)
 869                                return ret;
 870
 871                        value = LIO68XX_LED_CTRL_CFGON;
 872                        ret = octnet_mdio45_access(lio, 1,
 873                                                   LIO68XX_LED_CTRL_ADDR,
 874                                                   &value);
 875                        if (ret)
 876                                return ret;
 877                } else if (oct->chip_id == OCTEON_CN23XX_PF_VID) {
 878                        octnet_id_active(netdev, LED_IDENTIFICATION_ON);
 879                        if (linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
 880                            cur_ver > OCT_FW_VER(1, 7, 2))
 881                                return 2;
 882                        else
 883                                return 0;
 884                } else {
 885                        return -EINVAL;
 886                }
 887                break;
 888
 889        case ETHTOOL_ID_ON:
 890                if (oct->chip_id == OCTEON_CN23XX_PF_VID &&
 891                    linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
 892                    cur_ver > OCT_FW_VER(1, 7, 2))
 893                        octnet_id_active(netdev, LED_IDENTIFICATION_ON);
 894                else if (oct->chip_id == OCTEON_CN66XX)
 895                        octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 896                                           VITESSE_PHY_GPIO_HIGH);
 897                else
 898                        return -EINVAL;
 899
 900                break;
 901
 902        case ETHTOOL_ID_OFF:
 903                if (oct->chip_id == OCTEON_CN23XX_PF_VID &&
 904                    linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
 905                    cur_ver > OCT_FW_VER(1, 7, 2))
 906                        octnet_id_active(netdev, LED_IDENTIFICATION_OFF);
 907                else if (oct->chip_id == OCTEON_CN66XX)
 908                        octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 909                                           VITESSE_PHY_GPIO_LOW);
 910                else
 911                        return -EINVAL;
 912
 913                break;
 914
 915        case ETHTOOL_ID_INACTIVE:
 916                if (oct->chip_id == OCTEON_CN66XX) {
 917                        octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 918                                           VITESSE_PHY_GPIO_DRIVEOFF);
 919                } else if (oct->chip_id == OCTEON_CN68XX) {
 920                        /* Restore LED settings */
 921                        ret = octnet_mdio45_access(lio, 1,
 922                                                   LIO68XX_LED_CTRL_ADDR,
 923                                                   &lio->led_ctrl_val);
 924                        if (ret)
 925                                return ret;
 926
 927                        ret = octnet_mdio45_access(lio, 1,
 928                                                   LIO68XX_LED_BEACON_ADDR,
 929                                                   &lio->phy_beacon_val);
 930                        if (ret)
 931                                return ret;
 932                } else if (oct->chip_id == OCTEON_CN23XX_PF_VID) {
 933                        octnet_id_active(netdev, LED_IDENTIFICATION_OFF);
 934
 935                        return 0;
 936                } else {
 937                        return -EINVAL;
 938                }
 939                break;
 940
 941        default:
 942                return -EINVAL;
 943        }
 944
 945        return 0;
 946}
 947
 948static void
 949lio_ethtool_get_ringparam(struct net_device *netdev,
 950                          struct ethtool_ringparam *ering,
 951                          struct kernel_ethtool_ringparam *kernel_ering,
 952                          struct netlink_ext_ack *extack)
 953{
 954        struct lio *lio = GET_LIO(netdev);
 955        struct octeon_device *oct = lio->oct_dev;
 956        u32 tx_max_pending = 0, rx_max_pending = 0, tx_pending = 0,
 957            rx_pending = 0;
 958
 959        if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
 960                return;
 961
 962        if (OCTEON_CN6XXX(oct)) {
 963                struct octeon_config *conf6x = CHIP_CONF(oct, cn6xxx);
 964
 965                tx_max_pending = CN6XXX_MAX_IQ_DESCRIPTORS;
 966                rx_max_pending = CN6XXX_MAX_OQ_DESCRIPTORS;
 967                rx_pending = CFG_GET_NUM_RX_DESCS_NIC_IF(conf6x, lio->ifidx);
 968                tx_pending = CFG_GET_NUM_TX_DESCS_NIC_IF(conf6x, lio->ifidx);
 969        } else if (OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) {
 970                tx_max_pending = CN23XX_MAX_IQ_DESCRIPTORS;
 971                rx_max_pending = CN23XX_MAX_OQ_DESCRIPTORS;
 972                rx_pending = oct->droq[0]->max_count;
 973                tx_pending = oct->instr_queue[0]->max_count;
 974        }
 975
 976        ering->tx_pending = tx_pending;
 977        ering->tx_max_pending = tx_max_pending;
 978        ering->rx_pending = rx_pending;
 979        ering->rx_max_pending = rx_max_pending;
 980        ering->rx_mini_pending = 0;
 981        ering->rx_jumbo_pending = 0;
 982        ering->rx_mini_max_pending = 0;
 983        ering->rx_jumbo_max_pending = 0;
 984}
 985
 986static int lio_23xx_reconfigure_queue_count(struct lio *lio)
 987{
 988        struct octeon_device *oct = lio->oct_dev;
 989        u32 resp_size, data_size;
 990        struct liquidio_if_cfg_resp *resp;
 991        struct octeon_soft_command *sc;
 992        union oct_nic_if_cfg if_cfg;
 993        struct lio_version *vdata;
 994        u32 ifidx_or_pfnum;
 995        int retval;
 996        int j;
 997
 998        resp_size = sizeof(struct liquidio_if_cfg_resp);
 999        data_size = sizeof(struct lio_version);
1000        sc = (struct octeon_soft_command *)
1001                octeon_alloc_soft_command(oct, data_size,
1002                                          resp_size, 0);
1003        if (!sc) {
1004                dev_err(&oct->pci_dev->dev, "%s: Failed to allocate soft command\n",
1005                        __func__);
1006                return -1;
1007        }
1008
1009        resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
1010        vdata = (struct lio_version *)sc->virtdptr;
1011
1012        vdata->major = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MAJOR_VERSION);
1013        vdata->minor = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MINOR_VERSION);
1014        vdata->micro = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION);
1015
1016        ifidx_or_pfnum = oct->pf_num;
1017
1018        if_cfg.u64 = 0;
1019        if_cfg.s.num_iqueues = oct->sriov_info.num_pf_rings;
1020        if_cfg.s.num_oqueues = oct->sriov_info.num_pf_rings;
1021        if_cfg.s.base_queue = oct->sriov_info.pf_srn;
1022        if_cfg.s.gmx_port_id = oct->pf_num;
1023
1024        sc->iq_no = 0;
1025        octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
1026                                    OPCODE_NIC_QCOUNT_UPDATE, 0,
1027                                    if_cfg.u64, 0);
1028
1029        init_completion(&sc->complete);
1030        sc->sc_status = OCTEON_REQUEST_PENDING;
1031
1032        retval = octeon_send_soft_command(oct, sc);
1033        if (retval == IQ_SEND_FAILED) {
1034                dev_err(&oct->pci_dev->dev,
1035                        "Sending iq/oq config failed status: %x\n",
1036                        retval);
1037                octeon_free_soft_command(oct, sc);
1038                return -EIO;
1039        }
1040
1041        retval = wait_for_sc_completion_timeout(oct, sc, 0);
1042        if (retval)
1043                return retval;
1044
1045        retval = resp->status;
1046        if (retval) {
1047                dev_err(&oct->pci_dev->dev,
1048                        "iq/oq config failed: %x\n", retval);
1049                WRITE_ONCE(sc->caller_is_done, true);
1050                return -1;
1051        }
1052
1053        octeon_swap_8B_data((u64 *)(&resp->cfg_info),
1054                            (sizeof(struct liquidio_if_cfg_info)) >> 3);
1055
1056        lio->ifidx = ifidx_or_pfnum;
1057        lio->linfo.num_rxpciq = hweight64(resp->cfg_info.iqmask);
1058        lio->linfo.num_txpciq = hweight64(resp->cfg_info.iqmask);
1059        for (j = 0; j < lio->linfo.num_rxpciq; j++) {
1060                lio->linfo.rxpciq[j].u64 =
1061                        resp->cfg_info.linfo.rxpciq[j].u64;
1062        }
1063
1064        for (j = 0; j < lio->linfo.num_txpciq; j++) {
1065                lio->linfo.txpciq[j].u64 =
1066                        resp->cfg_info.linfo.txpciq[j].u64;
1067        }
1068
1069        lio->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
1070        lio->linfo.gmxport = resp->cfg_info.linfo.gmxport;
1071        lio->linfo.link.u64 = resp->cfg_info.linfo.link.u64;
1072        lio->txq = lio->linfo.txpciq[0].s.q_no;
1073        lio->rxq = lio->linfo.rxpciq[0].s.q_no;
1074
1075        dev_info(&oct->pci_dev->dev, "Queue count updated to %d\n",
1076                 lio->linfo.num_rxpciq);
1077
1078        WRITE_ONCE(sc->caller_is_done, true);
1079
1080        return 0;
1081}
1082
1083static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs)
1084{
1085        struct lio *lio = GET_LIO(netdev);
1086        struct octeon_device *oct = lio->oct_dev;
1087        int i, queue_count_update = 0;
1088        struct napi_struct *napi, *n;
1089        int ret;
1090
1091        schedule_timeout_uninterruptible(msecs_to_jiffies(100));
1092
1093        if (wait_for_pending_requests(oct))
1094                dev_err(&oct->pci_dev->dev, "There were pending requests\n");
1095
1096        if (lio_wait_for_instr_fetch(oct))
1097                dev_err(&oct->pci_dev->dev, "IQ had pending instructions\n");
1098
1099        if (octeon_set_io_queues_off(oct)) {
1100                dev_err(&oct->pci_dev->dev, "Setting io queues off failed\n");
1101                return -1;
1102        }
1103
1104        /* Disable the input and output queues now. No more packets will
1105         * arrive from Octeon.
1106         */
1107        oct->fn_list.disable_io_queues(oct);
1108        /* Delete NAPI */
1109        list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
1110                netif_napi_del(napi);
1111
1112        if (num_qs != oct->num_iqs) {
1113                ret = netif_set_real_num_rx_queues(netdev, num_qs);
1114                if (ret) {
1115                        dev_err(&oct->pci_dev->dev,
1116                                "Setting real number rx failed\n");
1117                        return ret;
1118                }
1119
1120                ret = netif_set_real_num_tx_queues(netdev, num_qs);
1121                if (ret) {
1122                        dev_err(&oct->pci_dev->dev,
1123                                "Setting real number tx failed\n");
1124                        return ret;
1125                }
1126
1127                /* The value of queue_count_update decides whether it is the
1128                 * queue count or the descriptor count that is being
1129                 * re-configured.
1130                 */
1131                queue_count_update = 1;
1132        }
1133
1134        /* Re-configuration of queues can happen in two scenarios, SRIOV enabled
1135         * and SRIOV disabled. Few things like recreating queue zero, resetting
1136         * glists and IRQs are required for both. For the latter, some more
1137         * steps like updating sriov_info for the octeon device need to be done.
1138         */
1139        if (queue_count_update) {
1140                cleanup_rx_oom_poll_fn(netdev);
1141
1142                lio_delete_glists(lio);
1143
1144                /* Delete mbox for PF which is SRIOV disabled because sriov_info
1145                 * will be now changed.
1146                 */
1147                if ((OCTEON_CN23XX_PF(oct)) && !oct->sriov_info.sriov_enabled)
1148                        oct->fn_list.free_mbox(oct);
1149        }
1150
1151        for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) {
1152                if (!(oct->io_qmask.oq & BIT_ULL(i)))
1153                        continue;
1154                octeon_delete_droq(oct, i);
1155        }
1156
1157        for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) {
1158                if (!(oct->io_qmask.iq & BIT_ULL(i)))
1159                        continue;
1160                octeon_delete_instr_queue(oct, i);
1161        }
1162
1163        if (queue_count_update) {
1164                /* For PF re-configure sriov related information */
1165                if ((OCTEON_CN23XX_PF(oct)) &&
1166                    !oct->sriov_info.sriov_enabled) {
1167                        oct->sriov_info.num_pf_rings = num_qs;
1168                        if (cn23xx_sriov_config(oct)) {
1169                                dev_err(&oct->pci_dev->dev,
1170                                        "Queue reset aborted: SRIOV config failed\n");
1171                                return -1;
1172                        }
1173
1174                        num_qs = oct->sriov_info.num_pf_rings;
1175                }
1176        }
1177
1178        if (oct->fn_list.setup_device_regs(oct)) {
1179                dev_err(&oct->pci_dev->dev, "Failed to configure device registers\n");
1180                return -1;
1181        }
1182
1183        /* The following are needed in case of queue count re-configuration and
1184         * not for descriptor count re-configuration.
1185         */
1186        if (queue_count_update) {
1187                if (octeon_setup_instr_queues(oct))
1188                        return -1;
1189
1190                if (octeon_setup_output_queues(oct))
1191                        return -1;
1192
1193                /* Recreating mbox for PF that is SRIOV disabled */
1194                if (OCTEON_CN23XX_PF(oct) && !oct->sriov_info.sriov_enabled) {
1195                        if (oct->fn_list.setup_mbox(oct)) {
1196                                dev_err(&oct->pci_dev->dev, "Mailbox setup failed\n");
1197                                return -1;
1198                        }
1199                }
1200
1201                /* Deleting and recreating IRQs whether the interface is SRIOV
1202                 * enabled or disabled.
1203                 */
1204                if (lio_irq_reallocate_irqs(oct, num_qs)) {
1205                        dev_err(&oct->pci_dev->dev, "IRQs could not be allocated\n");
1206                        return -1;
1207                }
1208
1209                /* Enable the input and output queues for this Octeon device */
1210                if (oct->fn_list.enable_io_queues(oct)) {
1211                        dev_err(&oct->pci_dev->dev, "Failed to enable input/output queues\n");
1212                        return -1;
1213                }
1214
1215                for (i = 0; i < oct->num_oqs; i++)
1216                        writel(oct->droq[i]->max_count,
1217                               oct->droq[i]->pkts_credit_reg);
1218
1219                /* Informing firmware about the new queue count. It is required
1220                 * for firmware to allocate more number of queues than those at
1221                 * load time.
1222                 */
1223                if (OCTEON_CN23XX_PF(oct) && !oct->sriov_info.sriov_enabled) {
1224                        if (lio_23xx_reconfigure_queue_count(lio))
1225                                return -1;
1226                }
1227        }
1228
1229        /* Once firmware is aware of the new value, queues can be recreated */
1230        if (liquidio_setup_io_queues(oct, 0, num_qs, num_qs)) {
1231                dev_err(&oct->pci_dev->dev, "I/O queues creation failed\n");
1232                return -1;
1233        }
1234
1235        if (queue_count_update) {
1236                if (lio_setup_glists(oct, lio, num_qs)) {
1237                        dev_err(&oct->pci_dev->dev, "Gather list allocation failed\n");
1238                        return -1;
1239                }
1240
1241                if (setup_rx_oom_poll_fn(netdev)) {
1242                        dev_err(&oct->pci_dev->dev, "lio_setup_rx_oom_poll_fn failed\n");
1243                        return 1;
1244                }
1245
1246                /* Send firmware the information about new number of queues
1247                 * if the interface is a VF or a PF that is SRIOV enabled.
1248                 */
1249                if (oct->sriov_info.sriov_enabled || OCTEON_CN23XX_VF(oct))
1250                        if (lio_send_queue_count_update(netdev, num_qs))
1251                                return -1;
1252        }
1253
1254        return 0;
1255}
1256
1257static int
1258lio_ethtool_set_ringparam(struct net_device *netdev,
1259                          struct ethtool_ringparam *ering,
1260                          struct kernel_ethtool_ringparam *kernel_ering,
1261                          struct netlink_ext_ack *extack)
1262{
1263        u32 rx_count, tx_count, rx_count_old, tx_count_old;
1264        struct lio *lio = GET_LIO(netdev);
1265        struct octeon_device *oct = lio->oct_dev;
1266        int stopped = 0;
1267
1268        if (!OCTEON_CN23XX_PF(oct) && !OCTEON_CN23XX_VF(oct))
1269                return -EINVAL;
1270
1271        if (ering->rx_mini_pending || ering->rx_jumbo_pending)
1272                return -EINVAL;
1273
1274        rx_count = clamp_t(u32, ering->rx_pending, CN23XX_MIN_OQ_DESCRIPTORS,
1275                           CN23XX_MAX_OQ_DESCRIPTORS);
1276        tx_count = clamp_t(u32, ering->tx_pending, CN23XX_MIN_IQ_DESCRIPTORS,
1277                           CN23XX_MAX_IQ_DESCRIPTORS);
1278
1279        rx_count_old = oct->droq[0]->max_count;
1280        tx_count_old = oct->instr_queue[0]->max_count;
1281
1282        if (rx_count == rx_count_old && tx_count == tx_count_old)
1283                return 0;
1284
1285        ifstate_set(lio, LIO_IFSTATE_RESETTING);
1286
1287        if (netif_running(netdev)) {
1288                netdev->netdev_ops->ndo_stop(netdev);
1289                stopped = 1;
1290        }
1291
1292        /* Change RX/TX DESCS  count */
1293        if (tx_count != tx_count_old)
1294                CFG_SET_NUM_TX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1295                                            tx_count);
1296        if (rx_count != rx_count_old)
1297                CFG_SET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1298                                            rx_count);
1299
1300        if (lio_reset_queues(netdev, oct->num_iqs))
1301                goto err_lio_reset_queues;
1302
1303        if (stopped)
1304                netdev->netdev_ops->ndo_open(netdev);
1305
1306        ifstate_reset(lio, LIO_IFSTATE_RESETTING);
1307
1308        return 0;
1309
1310err_lio_reset_queues:
1311        if (tx_count != tx_count_old)
1312                CFG_SET_NUM_TX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1313                                            tx_count_old);
1314        if (rx_count != rx_count_old)
1315                CFG_SET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1316                                            rx_count_old);
1317        return -EINVAL;
1318}
1319
1320static u32 lio_get_msglevel(struct net_device *netdev)
1321{
1322        struct lio *lio = GET_LIO(netdev);
1323
1324        return lio->msg_enable;
1325}
1326
1327static void lio_set_msglevel(struct net_device *netdev, u32 msglvl)
1328{
1329        struct lio *lio = GET_LIO(netdev);
1330
1331        if ((msglvl ^ lio->msg_enable) & NETIF_MSG_HW) {
1332                if (msglvl & NETIF_MSG_HW)
1333                        liquidio_set_feature(netdev,
1334                                             OCTNET_CMD_VERBOSE_ENABLE, 0);
1335                else
1336                        liquidio_set_feature(netdev,
1337                                             OCTNET_CMD_VERBOSE_DISABLE, 0);
1338        }
1339
1340        lio->msg_enable = msglvl;
1341}
1342
1343static void lio_vf_set_msglevel(struct net_device *netdev, u32 msglvl)
1344{
1345        struct lio *lio = GET_LIO(netdev);
1346
1347        lio->msg_enable = msglvl;
1348}
1349
1350static void
1351lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
1352{
1353        /* Notes: Not supporting any auto negotiation in these
1354         * drivers. Just report pause frame support.
1355         */
1356        struct lio *lio = GET_LIO(netdev);
1357        struct octeon_device *oct = lio->oct_dev;
1358
1359        pause->autoneg = 0;
1360
1361        pause->tx_pause = oct->tx_pause;
1362        pause->rx_pause = oct->rx_pause;
1363}
1364
1365static int
1366lio_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
1367{
1368        /* Notes: Not supporting any auto negotiation in these
1369         * drivers.
1370         */
1371        struct lio *lio = GET_LIO(netdev);
1372        struct octeon_device *oct = lio->oct_dev;
1373        struct octnic_ctrl_pkt nctrl;
1374        struct oct_link_info *linfo = &lio->linfo;
1375
1376        int ret = 0;
1377
1378        if (oct->chip_id != OCTEON_CN23XX_PF_VID)
1379                return -EINVAL;
1380
1381        if (linfo->link.s.duplex == 0) {
1382                /*no flow control for half duplex*/
1383                if (pause->rx_pause || pause->tx_pause)
1384                        return -EINVAL;
1385        }
1386
1387        /*do not support autoneg of link flow control*/
1388        if (pause->autoneg == AUTONEG_ENABLE)
1389                return -EINVAL;
1390
1391        memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
1392
1393        nctrl.ncmd.u64 = 0;
1394        nctrl.ncmd.s.cmd = OCTNET_CMD_SET_FLOW_CTL;
1395        nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
1396        nctrl.netpndev = (u64)netdev;
1397        nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
1398
1399        if (pause->rx_pause) {
1400                /*enable rx pause*/
1401                nctrl.ncmd.s.param1 = 1;
1402        } else {
1403                /*disable rx pause*/
1404                nctrl.ncmd.s.param1 = 0;
1405        }
1406
1407        if (pause->tx_pause) {
1408                /*enable tx pause*/
1409                nctrl.ncmd.s.param2 = 1;
1410        } else {
1411                /*disable tx pause*/
1412                nctrl.ncmd.s.param2 = 0;
1413        }
1414
1415        ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
1416        if (ret) {
1417                dev_err(&oct->pci_dev->dev,
1418                        "Failed to set pause parameter, ret=%d\n", ret);
1419                return -EINVAL;
1420        }
1421
1422        oct->rx_pause = pause->rx_pause;
1423        oct->tx_pause = pause->tx_pause;
1424
1425        return 0;
1426}
1427
1428static void
1429lio_get_ethtool_stats(struct net_device *netdev,
1430                      struct ethtool_stats *stats  __attribute__((unused)),
1431                      u64 *data)
1432{
1433        struct lio *lio = GET_LIO(netdev);
1434        struct octeon_device *oct_dev = lio->oct_dev;
1435        struct rtnl_link_stats64 lstats;
1436        int i = 0, j;
1437
1438        if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
1439                return;
1440
1441        netdev->netdev_ops->ndo_get_stats64(netdev, &lstats);
1442        /*sum of oct->droq[oq_no]->stats->rx_pkts_received */
1443        data[i++] = lstats.rx_packets;
1444        /*sum of oct->instr_queue[iq_no]->stats.tx_done */
1445        data[i++] = lstats.tx_packets;
1446        /*sum of oct->droq[oq_no]->stats->rx_bytes_received */
1447        data[i++] = lstats.rx_bytes;
1448        /*sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
1449        data[i++] = lstats.tx_bytes;
1450        data[i++] = lstats.rx_errors +
1451                        oct_dev->link_stats.fromwire.fcs_err +
1452                        oct_dev->link_stats.fromwire.jabber_err +
1453                        oct_dev->link_stats.fromwire.l2_err +
1454                        oct_dev->link_stats.fromwire.frame_err;
1455        data[i++] = lstats.tx_errors;
1456        /*sum of oct->droq[oq_no]->stats->rx_dropped +
1457         *oct->droq[oq_no]->stats->dropped_nodispatch +
1458         *oct->droq[oq_no]->stats->dropped_toomany +
1459         *oct->droq[oq_no]->stats->dropped_nomem
1460         */
1461        data[i++] = lstats.rx_dropped +
1462                        oct_dev->link_stats.fromwire.fifo_err +
1463                        oct_dev->link_stats.fromwire.dmac_drop +
1464                        oct_dev->link_stats.fromwire.red_drops +
1465                        oct_dev->link_stats.fromwire.fw_err_pko +
1466                        oct_dev->link_stats.fromwire.fw_err_link +
1467                        oct_dev->link_stats.fromwire.fw_err_drop;
1468        /*sum of oct->instr_queue[iq_no]->stats.tx_dropped */
1469        data[i++] = lstats.tx_dropped +
1470                        oct_dev->link_stats.fromhost.max_collision_fail +
1471                        oct_dev->link_stats.fromhost.max_deferral_fail +
1472                        oct_dev->link_stats.fromhost.total_collisions +
1473                        oct_dev->link_stats.fromhost.fw_err_pko +
1474                        oct_dev->link_stats.fromhost.fw_err_link +
1475                        oct_dev->link_stats.fromhost.fw_err_drop +
1476                        oct_dev->link_stats.fromhost.fw_err_pki;
1477
1478        /* firmware tx stats */
1479        /*per_core_stats[cvmx_get_core_num()].link_stats[mdata->from_ifidx].
1480         *fromhost.fw_total_sent
1481         */
1482        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_sent);
1483        /*per_core_stats[i].link_stats[port].fromwire.fw_total_fwd */
1484        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_fwd);
1485        /*per_core_stats[j].link_stats[i].fromhost.fw_err_pko */
1486        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pko);
1487        /*per_core_stats[j].link_stats[i].fromhost.fw_err_pki */
1488        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pki);
1489        /*per_core_stats[j].link_stats[i].fromhost.fw_err_link */
1490        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_link);
1491        /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1492         *fw_err_drop
1493         */
1494        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_drop);
1495
1496        /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.fw_tso */
1497        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso);
1498        /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1499         *fw_tso_fwd
1500         */
1501        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso_fwd);
1502        /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1503         *fw_err_tso
1504         */
1505        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_tso);
1506        /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1507         *fw_tx_vxlan
1508         */
1509        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tx_vxlan);
1510
1511        /* Multicast packets sent by this port */
1512        data[i++] = oct_dev->link_stats.fromhost.fw_total_mcast_sent;
1513        data[i++] = oct_dev->link_stats.fromhost.fw_total_bcast_sent;
1514
1515        /* mac tx statistics */
1516        /*CVMX_BGXX_CMRX_TX_STAT5 */
1517        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_pkts_sent);
1518        /*CVMX_BGXX_CMRX_TX_STAT4 */
1519        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_bytes_sent);
1520        /*CVMX_BGXX_CMRX_TX_STAT15 */
1521        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.mcast_pkts_sent);
1522        /*CVMX_BGXX_CMRX_TX_STAT14 */
1523        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.bcast_pkts_sent);
1524        /*CVMX_BGXX_CMRX_TX_STAT17 */
1525        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.ctl_sent);
1526        /*CVMX_BGXX_CMRX_TX_STAT0 */
1527        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_collisions);
1528        /*CVMX_BGXX_CMRX_TX_STAT3 */
1529        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.one_collision_sent);
1530        /*CVMX_BGXX_CMRX_TX_STAT2 */
1531        data[i++] =
1532                CVM_CAST64(oct_dev->link_stats.fromhost.multi_collision_sent);
1533        /*CVMX_BGXX_CMRX_TX_STAT0 */
1534        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_collision_fail);
1535        /*CVMX_BGXX_CMRX_TX_STAT1 */
1536        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_deferral_fail);
1537        /*CVMX_BGXX_CMRX_TX_STAT16 */
1538        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fifo_err);
1539        /*CVMX_BGXX_CMRX_TX_STAT6 */
1540        data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.runts);
1541
1542        /* RX firmware stats */
1543        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1544         *fw_total_rcvd
1545         */
1546        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_rcvd);
1547        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1548         *fw_total_fwd
1549         */
1550        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_fwd);
1551        /* Multicast packets received on this port */
1552        data[i++] = oct_dev->link_stats.fromwire.fw_total_mcast;
1553        data[i++] = oct_dev->link_stats.fromwire.fw_total_bcast;
1554        /*per_core_stats[core_id].link_stats[ifidx].fromwire.jabber_err */
1555        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.jabber_err);
1556        /*per_core_stats[core_id].link_stats[ifidx].fromwire.l2_err */
1557        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.l2_err);
1558        /*per_core_stats[core_id].link_stats[ifidx].fromwire.frame_err */
1559        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.frame_err);
1560        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1561         *fw_err_pko
1562         */
1563        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_pko);
1564        /*per_core_stats[j].link_stats[i].fromwire.fw_err_link */
1565        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_link);
1566        /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
1567         *fromwire.fw_err_drop
1568         */
1569        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_drop);
1570
1571        /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
1572         *fromwire.fw_rx_vxlan
1573         */
1574        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan);
1575        /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
1576         *fromwire.fw_rx_vxlan_err
1577         */
1578        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan_err);
1579
1580        /* LRO */
1581        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1582         *fw_lro_pkts
1583         */
1584        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_pkts);
1585        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1586         *fw_lro_octs
1587         */
1588        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_octs);
1589        /*per_core_stats[j].link_stats[i].fromwire.fw_total_lro */
1590        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_lro);
1591        /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */
1592        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts);
1593        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1594         *fw_lro_aborts_port
1595         */
1596        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_port);
1597        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1598         *fw_lro_aborts_seq
1599         */
1600        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_seq);
1601        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1602         *fw_lro_aborts_tsval
1603         */
1604        data[i++] =
1605                CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_tsval);
1606        /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1607         *fw_lro_aborts_timer
1608         */
1609        /* intrmod: packet forward rate */
1610        data[i++] =
1611                CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_timer);
1612        /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */
1613        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fwd_rate);
1614
1615        /* mac: link-level stats */
1616        /*CVMX_BGXX_CMRX_RX_STAT0 */
1617        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_rcvd);
1618        /*CVMX_BGXX_CMRX_RX_STAT1 */
1619        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.bytes_rcvd);
1620        /*CVMX_PKI_STATX_STAT5 */
1621        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_bcst);
1622        /*CVMX_PKI_STATX_STAT5 */
1623        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_mcst);
1624        /*wqe->word2.err_code or wqe->word2.err_level */
1625        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.runts);
1626        /*CVMX_BGXX_CMRX_RX_STAT2 */
1627        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.ctl_rcvd);
1628        /*CVMX_BGXX_CMRX_RX_STAT6 */
1629        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fifo_err);
1630        /*CVMX_BGXX_CMRX_RX_STAT4 */
1631        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.dmac_drop);
1632        /*wqe->word2.err_code or wqe->word2.err_level */
1633        data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fcs_err);
1634        /*lio->link_changes*/
1635        data[i++] = CVM_CAST64(lio->link_changes);
1636
1637        for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct_dev); j++) {
1638                if (!(oct_dev->io_qmask.iq & BIT_ULL(j)))
1639                        continue;
1640                /*packets to network port*/
1641                /*# of packets tx to network */
1642                data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
1643                /*# of bytes tx to network */
1644                data[i++] =
1645                        CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes);
1646                /*# of packets dropped */
1647                data[i++] =
1648                        CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped);
1649                /*# of tx fails due to queue full */
1650                data[i++] =
1651                        CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy);
1652                /*XXX gather entries sent */
1653                data[i++] =
1654                        CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent);
1655
1656                /*instruction to firmware: data and control */
1657                /*# of instructions to the queue */
1658                data[i++] =
1659                        CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted);
1660                /*# of instructions processed */
1661                data[i++] = CVM_CAST64(
1662                                oct_dev->instr_queue[j]->stats.instr_processed);
1663                /*# of instructions could not be processed */
1664                data[i++] = CVM_CAST64(
1665                                oct_dev->instr_queue[j]->stats.instr_dropped);
1666                /*bytes sent through the queue */
1667                data[i++] =
1668                        CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent);
1669
1670                /*tso request*/
1671                data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso);
1672                /*vxlan request*/
1673                data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan);
1674                /*txq restart*/
1675                data[i++] =
1676                        CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_restart);
1677        }
1678
1679        /* RX */
1680        for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); j++) {
1681                if (!(oct_dev->io_qmask.oq & BIT_ULL(j)))
1682                        continue;
1683
1684                /*packets send to TCP/IP network stack */
1685                /*# of packets to network stack */
1686                data[i++] =
1687                        CVM_CAST64(oct_dev->droq[j]->stats.rx_pkts_received);
1688                /*# of bytes to network stack */
1689                data[i++] =
1690                        CVM_CAST64(oct_dev->droq[j]->stats.rx_bytes_received);
1691                /*# of packets dropped */
1692                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem +
1693                                       oct_dev->droq[j]->stats.dropped_toomany +
1694                                       oct_dev->droq[j]->stats.rx_dropped);
1695                data[i++] =
1696                        CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
1697                data[i++] =
1698                        CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
1699                data[i++] =
1700                        CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped);
1701
1702                /*control and data path*/
1703                data[i++] =
1704                        CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
1705                data[i++] =
1706                        CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
1707                data[i++] =
1708                        CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
1709
1710                data[i++] =
1711                        CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan);
1712                data[i++] =
1713                        CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure);
1714        }
1715}
1716
1717static void lio_vf_get_ethtool_stats(struct net_device *netdev,
1718                                     struct ethtool_stats *stats
1719                                     __attribute__((unused)),
1720                                     u64 *data)
1721{
1722        struct rtnl_link_stats64 lstats;
1723        struct lio *lio = GET_LIO(netdev);
1724        struct octeon_device *oct_dev = lio->oct_dev;
1725        int i = 0, j, vj;
1726
1727        if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
1728                return;
1729
1730        netdev->netdev_ops->ndo_get_stats64(netdev, &lstats);
1731        /* sum of oct->droq[oq_no]->stats->rx_pkts_received */
1732        data[i++] = lstats.rx_packets;
1733        /* sum of oct->instr_queue[iq_no]->stats.tx_done */
1734        data[i++] = lstats.tx_packets;
1735        /* sum of oct->droq[oq_no]->stats->rx_bytes_received */
1736        data[i++] = lstats.rx_bytes;
1737        /* sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
1738        data[i++] = lstats.tx_bytes;
1739        data[i++] = lstats.rx_errors;
1740        data[i++] = lstats.tx_errors;
1741         /* sum of oct->droq[oq_no]->stats->rx_dropped +
1742          * oct->droq[oq_no]->stats->dropped_nodispatch +
1743          * oct->droq[oq_no]->stats->dropped_toomany +
1744          * oct->droq[oq_no]->stats->dropped_nomem
1745          */
1746        data[i++] = lstats.rx_dropped;
1747        /* sum of oct->instr_queue[iq_no]->stats.tx_dropped */
1748        data[i++] = lstats.tx_dropped +
1749                oct_dev->link_stats.fromhost.fw_err_drop;
1750
1751        data[i++] = oct_dev->link_stats.fromwire.fw_total_mcast;
1752        data[i++] = oct_dev->link_stats.fromhost.fw_total_mcast_sent;
1753        data[i++] = oct_dev->link_stats.fromwire.fw_total_bcast;
1754        data[i++] = oct_dev->link_stats.fromhost.fw_total_bcast_sent;
1755
1756        /* lio->link_changes */
1757        data[i++] = CVM_CAST64(lio->link_changes);
1758
1759        for (vj = 0; vj < oct_dev->num_iqs; vj++) {
1760                j = lio->linfo.txpciq[vj].s.q_no;
1761
1762                /* packets to network port */
1763                /* # of packets tx to network */
1764                data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
1765                 /* # of bytes tx to network */
1766                data[i++] = CVM_CAST64(
1767                                oct_dev->instr_queue[j]->stats.tx_tot_bytes);
1768                /* # of packets dropped */
1769                data[i++] = CVM_CAST64(
1770                                oct_dev->instr_queue[j]->stats.tx_dropped);
1771                /* # of tx fails due to queue full */
1772                data[i++] = CVM_CAST64(
1773                                oct_dev->instr_queue[j]->stats.tx_iq_busy);
1774                /* XXX gather entries sent */
1775                data[i++] = CVM_CAST64(
1776                                oct_dev->instr_queue[j]->stats.sgentry_sent);
1777
1778                /* instruction to firmware: data and control */
1779                /* # of instructions to the queue */
1780                data[i++] = CVM_CAST64(
1781                                oct_dev->instr_queue[j]->stats.instr_posted);
1782                /* # of instructions processed */
1783                data[i++] =
1784                    CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_processed);
1785                /* # of instructions could not be processed */
1786                data[i++] =
1787                    CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_dropped);
1788                /* bytes sent through the queue */
1789                data[i++] = CVM_CAST64(
1790                                oct_dev->instr_queue[j]->stats.bytes_sent);
1791                /* tso request */
1792                data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso);
1793                /* vxlan request */
1794                data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan);
1795                /* txq restart */
1796                data[i++] = CVM_CAST64(
1797                                oct_dev->instr_queue[j]->stats.tx_restart);
1798        }
1799
1800        /* RX */
1801        for (vj = 0; vj < oct_dev->num_oqs; vj++) {
1802                j = lio->linfo.rxpciq[vj].s.q_no;
1803
1804                /* packets send to TCP/IP network stack */
1805                /* # of packets to network stack */
1806                data[i++] = CVM_CAST64(
1807                                oct_dev->droq[j]->stats.rx_pkts_received);
1808                /* # of bytes to network stack */
1809                data[i++] = CVM_CAST64(
1810                                oct_dev->droq[j]->stats.rx_bytes_received);
1811                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem +
1812                                       oct_dev->droq[j]->stats.dropped_toomany +
1813                                       oct_dev->droq[j]->stats.rx_dropped);
1814                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
1815                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
1816                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped);
1817
1818                /* control and data path */
1819                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
1820                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
1821                data[i++] =
1822                        CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
1823
1824                data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan);
1825                data[i++] =
1826                    CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure);
1827        }
1828}
1829
1830static void lio_get_priv_flags_strings(struct lio *lio, u8 *data)
1831{
1832        struct octeon_device *oct_dev = lio->oct_dev;
1833        int i;
1834
1835        switch (oct_dev->chip_id) {
1836        case OCTEON_CN23XX_PF_VID:
1837        case OCTEON_CN23XX_VF_VID:
1838                for (i = 0; i < ARRAY_SIZE(oct_priv_flags_strings); i++) {
1839                        sprintf(data, "%s", oct_priv_flags_strings[i]);
1840                        data += ETH_GSTRING_LEN;
1841                }
1842                break;
1843        case OCTEON_CN68XX:
1844        case OCTEON_CN66XX:
1845                break;
1846        default:
1847                netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
1848                break;
1849        }
1850}
1851
1852static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1853{
1854        struct lio *lio = GET_LIO(netdev);
1855        struct octeon_device *oct_dev = lio->oct_dev;
1856        int num_iq_stats, num_oq_stats, i, j;
1857        int num_stats;
1858
1859        switch (stringset) {
1860        case ETH_SS_STATS:
1861                num_stats = ARRAY_SIZE(oct_stats_strings);
1862                for (j = 0; j < num_stats; j++) {
1863                        sprintf(data, "%s", oct_stats_strings[j]);
1864                        data += ETH_GSTRING_LEN;
1865                }
1866
1867                num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
1868                for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) {
1869                        if (!(oct_dev->io_qmask.iq & BIT_ULL(i)))
1870                                continue;
1871                        for (j = 0; j < num_iq_stats; j++) {
1872                                sprintf(data, "tx-%d-%s", i,
1873                                        oct_iq_stats_strings[j]);
1874                                data += ETH_GSTRING_LEN;
1875                        }
1876                }
1877
1878                num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
1879                for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) {
1880                        if (!(oct_dev->io_qmask.oq & BIT_ULL(i)))
1881                                continue;
1882                        for (j = 0; j < num_oq_stats; j++) {
1883                                sprintf(data, "rx-%d-%s", i,
1884                                        oct_droq_stats_strings[j]);
1885                                data += ETH_GSTRING_LEN;
1886                        }
1887                }
1888                break;
1889
1890        case ETH_SS_PRIV_FLAGS:
1891                lio_get_priv_flags_strings(lio, data);
1892                break;
1893        default:
1894                netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n");
1895                break;
1896        }
1897}
1898
1899static void lio_vf_get_strings(struct net_device *netdev, u32 stringset,
1900                               u8 *data)
1901{
1902        int num_iq_stats, num_oq_stats, i, j;
1903        struct lio *lio = GET_LIO(netdev);
1904        struct octeon_device *oct_dev = lio->oct_dev;
1905        int num_stats;
1906
1907        switch (stringset) {
1908        case ETH_SS_STATS:
1909                num_stats = ARRAY_SIZE(oct_vf_stats_strings);
1910                for (j = 0; j < num_stats; j++) {
1911                        sprintf(data, "%s", oct_vf_stats_strings[j]);
1912                        data += ETH_GSTRING_LEN;
1913                }
1914
1915                num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
1916                for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) {
1917                        if (!(oct_dev->io_qmask.iq & BIT_ULL(i)))
1918                                continue;
1919                        for (j = 0; j < num_iq_stats; j++) {
1920                                sprintf(data, "tx-%d-%s", i,
1921                                        oct_iq_stats_strings[j]);
1922                                data += ETH_GSTRING_LEN;
1923                        }
1924                }
1925
1926                num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
1927                for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) {
1928                        if (!(oct_dev->io_qmask.oq & BIT_ULL(i)))
1929                                continue;
1930                        for (j = 0; j < num_oq_stats; j++) {
1931                                sprintf(data, "rx-%d-%s", i,
1932                                        oct_droq_stats_strings[j]);
1933                                data += ETH_GSTRING_LEN;
1934                        }
1935                }
1936                break;
1937
1938        case ETH_SS_PRIV_FLAGS:
1939                lio_get_priv_flags_strings(lio, data);
1940                break;
1941        default:
1942                netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n");
1943                break;
1944        }
1945}
1946
1947static int lio_get_priv_flags_ss_count(struct lio *lio)
1948{
1949        struct octeon_device *oct_dev = lio->oct_dev;
1950
1951        switch (oct_dev->chip_id) {
1952        case OCTEON_CN23XX_PF_VID:
1953        case OCTEON_CN23XX_VF_VID:
1954                return ARRAY_SIZE(oct_priv_flags_strings);
1955        case OCTEON_CN68XX:
1956        case OCTEON_CN66XX:
1957                return -EOPNOTSUPP;
1958        default:
1959                netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
1960                return -EOPNOTSUPP;
1961        }
1962}
1963
1964static int lio_get_sset_count(struct net_device *netdev, int sset)
1965{
1966        struct lio *lio = GET_LIO(netdev);
1967        struct octeon_device *oct_dev = lio->oct_dev;
1968
1969        switch (sset) {
1970        case ETH_SS_STATS:
1971                return (ARRAY_SIZE(oct_stats_strings) +
1972                        ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs +
1973                        ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
1974        case ETH_SS_PRIV_FLAGS:
1975                return lio_get_priv_flags_ss_count(lio);
1976        default:
1977                return -EOPNOTSUPP;
1978        }
1979}
1980
1981static int lio_vf_get_sset_count(struct net_device *netdev, int sset)
1982{
1983        struct lio *lio = GET_LIO(netdev);
1984        struct octeon_device *oct_dev = lio->oct_dev;
1985
1986        switch (sset) {
1987        case ETH_SS_STATS:
1988                return (ARRAY_SIZE(oct_vf_stats_strings) +
1989                        ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs +
1990                        ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
1991        case ETH_SS_PRIV_FLAGS:
1992                return lio_get_priv_flags_ss_count(lio);
1993        default:
1994                return -EOPNOTSUPP;
1995        }
1996}
1997
1998/*  get interrupt moderation parameters */
1999static int octnet_get_intrmod_cfg(struct lio *lio,
2000                                  struct oct_intrmod_cfg *intr_cfg)
2001{
2002        struct octeon_soft_command *sc;
2003        struct oct_intrmod_resp *resp;
2004        int retval;
2005        struct octeon_device *oct_dev = lio->oct_dev;
2006
2007        /* Alloc soft command */
2008        sc = (struct octeon_soft_command *)
2009                octeon_alloc_soft_command(oct_dev,
2010                                          0,
2011                                          sizeof(struct oct_intrmod_resp), 0);
2012
2013        if (!sc)
2014                return -ENOMEM;
2015
2016        resp = (struct oct_intrmod_resp *)sc->virtrptr;
2017        memset(resp, 0, sizeof(struct oct_intrmod_resp));
2018
2019        sc->iq_no = lio->linfo.txpciq[0].s.q_no;
2020
2021        octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
2022                                    OPCODE_NIC_INTRMOD_PARAMS, 0, 0, 0);
2023
2024        init_completion(&sc->complete);
2025        sc->sc_status = OCTEON_REQUEST_PENDING;
2026
2027        retval = octeon_send_soft_command(oct_dev, sc);
2028        if (retval == IQ_SEND_FAILED) {
2029                octeon_free_soft_command(oct_dev, sc);
2030                return -EINVAL;
2031        }
2032
2033        /* Sleep on a wait queue till the cond flag indicates that the
2034         * response arrived or timed-out.
2035         */
2036        retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
2037        if (retval)
2038                return -ENODEV;
2039
2040        if (resp->status) {
2041                dev_err(&oct_dev->pci_dev->dev,
2042                        "Get interrupt moderation parameters failed\n");
2043                WRITE_ONCE(sc->caller_is_done, true);
2044                return -ENODEV;
2045        }
2046
2047        octeon_swap_8B_data((u64 *)&resp->intrmod,
2048                            (sizeof(struct oct_intrmod_cfg)) / 8);
2049        memcpy(intr_cfg, &resp->intrmod, sizeof(struct oct_intrmod_cfg));
2050        WRITE_ONCE(sc->caller_is_done, true);
2051
2052        return 0;
2053}
2054
2055/*  Configure interrupt moderation parameters */
2056static int octnet_set_intrmod_cfg(struct lio *lio,
2057                                  struct oct_intrmod_cfg *intr_cfg)
2058{
2059        struct octeon_soft_command *sc;
2060        struct oct_intrmod_cfg *cfg;
2061        int retval;
2062        struct octeon_device *oct_dev = lio->oct_dev;
2063
2064        /* Alloc soft command */
2065        sc = (struct octeon_soft_command *)
2066                octeon_alloc_soft_command(oct_dev,
2067                                          sizeof(struct oct_intrmod_cfg),
2068                                          16, 0);
2069
2070        if (!sc)
2071                return -ENOMEM;
2072
2073        cfg = (struct oct_intrmod_cfg *)sc->virtdptr;
2074
2075        memcpy(cfg, intr_cfg, sizeof(struct oct_intrmod_cfg));
2076        octeon_swap_8B_data((u64 *)cfg, (sizeof(struct oct_intrmod_cfg)) / 8);
2077
2078        sc->iq_no = lio->linfo.txpciq[0].s.q_no;
2079
2080        octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
2081                                    OPCODE_NIC_INTRMOD_CFG, 0, 0, 0);
2082
2083        init_completion(&sc->complete);
2084        sc->sc_status = OCTEON_REQUEST_PENDING;
2085
2086        retval = octeon_send_soft_command(oct_dev, sc);
2087        if (retval == IQ_SEND_FAILED) {
2088                octeon_free_soft_command(oct_dev, sc);
2089                return -EINVAL;
2090        }
2091
2092        /* Sleep on a wait queue till the cond flag indicates that the
2093         * response arrived or timed-out.
2094         */
2095        retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
2096        if (retval)
2097                return retval;
2098
2099        retval = sc->sc_status;
2100        if (retval == 0) {
2101                dev_info(&oct_dev->pci_dev->dev,
2102                         "Rx-Adaptive Interrupt moderation %s\n",
2103                         (intr_cfg->rx_enable) ?
2104                         "enabled" : "disabled");
2105                WRITE_ONCE(sc->caller_is_done, true);
2106                return 0;
2107        }
2108
2109        dev_err(&oct_dev->pci_dev->dev,
2110                "intrmod config failed. Status: %x\n", retval);
2111        WRITE_ONCE(sc->caller_is_done, true);
2112        return -ENODEV;
2113}
2114
2115static int lio_get_intr_coalesce(struct net_device *netdev,
2116                                 struct ethtool_coalesce *intr_coal,
2117                                 struct kernel_ethtool_coalesce *kernel_coal,
2118                                 struct netlink_ext_ack *extack)
2119{
2120        struct lio *lio = GET_LIO(netdev);
2121        struct octeon_device *oct = lio->oct_dev;
2122        struct octeon_instr_queue *iq;
2123        struct oct_intrmod_cfg intrmod_cfg;
2124
2125        if (octnet_get_intrmod_cfg(lio, &intrmod_cfg))
2126                return -ENODEV;
2127
2128        switch (oct->chip_id) {
2129        case OCTEON_CN23XX_PF_VID:
2130        case OCTEON_CN23XX_VF_VID: {
2131                if (!intrmod_cfg.rx_enable) {
2132                        intr_coal->rx_coalesce_usecs = oct->rx_coalesce_usecs;
2133                        intr_coal->rx_max_coalesced_frames =
2134                                oct->rx_max_coalesced_frames;
2135                }
2136                if (!intrmod_cfg.tx_enable)
2137                        intr_coal->tx_max_coalesced_frames =
2138                                oct->tx_max_coalesced_frames;
2139                break;
2140        }
2141        case OCTEON_CN68XX:
2142        case OCTEON_CN66XX: {
2143                struct octeon_cn6xxx *cn6xxx =
2144                        (struct octeon_cn6xxx *)oct->chip;
2145
2146                if (!intrmod_cfg.rx_enable) {
2147                        intr_coal->rx_coalesce_usecs =
2148                                CFG_GET_OQ_INTR_TIME(cn6xxx->conf);
2149                        intr_coal->rx_max_coalesced_frames =
2150                                CFG_GET_OQ_INTR_PKT(cn6xxx->conf);
2151                }
2152                iq = oct->instr_queue[lio->linfo.txpciq[0].s.q_no];
2153                intr_coal->tx_max_coalesced_frames = iq->fill_threshold;
2154                break;
2155        }
2156        default:
2157                netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
2158                return -EINVAL;
2159        }
2160        if (intrmod_cfg.rx_enable) {
2161                intr_coal->use_adaptive_rx_coalesce =
2162                        intrmod_cfg.rx_enable;
2163                intr_coal->rate_sample_interval =
2164                        intrmod_cfg.check_intrvl;
2165                intr_coal->pkt_rate_high =
2166                        intrmod_cfg.maxpkt_ratethr;
2167                intr_coal->pkt_rate_low =
2168                        intrmod_cfg.minpkt_ratethr;
2169                intr_coal->rx_max_coalesced_frames_high =
2170                        intrmod_cfg.rx_maxcnt_trigger;
2171                intr_coal->rx_coalesce_usecs_high =
2172                        intrmod_cfg.rx_maxtmr_trigger;
2173                intr_coal->rx_coalesce_usecs_low =
2174                        intrmod_cfg.rx_mintmr_trigger;
2175                intr_coal->rx_max_coalesced_frames_low =
2176                        intrmod_cfg.rx_mincnt_trigger;
2177        }
2178        if ((OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) &&
2179            (intrmod_cfg.tx_enable)) {
2180                intr_coal->use_adaptive_tx_coalesce =
2181                        intrmod_cfg.tx_enable;
2182                intr_coal->tx_max_coalesced_frames_high =
2183                        intrmod_cfg.tx_maxcnt_trigger;
2184                intr_coal->tx_max_coalesced_frames_low =
2185                        intrmod_cfg.tx_mincnt_trigger;
2186        }
2187        return 0;
2188}
2189
2190/* Enable/Disable auto interrupt Moderation */
2191static int oct_cfg_adaptive_intr(struct lio *lio,
2192                                 struct oct_intrmod_cfg *intrmod_cfg,
2193                                 struct ethtool_coalesce *intr_coal)
2194{
2195        int ret = 0;
2196
2197        if (intrmod_cfg->rx_enable || intrmod_cfg->tx_enable) {
2198                intrmod_cfg->check_intrvl = intr_coal->rate_sample_interval;
2199                intrmod_cfg->maxpkt_ratethr = intr_coal->pkt_rate_high;
2200                intrmod_cfg->minpkt_ratethr = intr_coal->pkt_rate_low;
2201        }
2202        if (intrmod_cfg->rx_enable) {
2203                intrmod_cfg->rx_maxcnt_trigger =
2204                        intr_coal->rx_max_coalesced_frames_high;
2205                intrmod_cfg->rx_maxtmr_trigger =
2206                        intr_coal->rx_coalesce_usecs_high;
2207                intrmod_cfg->rx_mintmr_trigger =
2208                        intr_coal->rx_coalesce_usecs_low;
2209                intrmod_cfg->rx_mincnt_trigger =
2210                        intr_coal->rx_max_coalesced_frames_low;
2211        }
2212        if (intrmod_cfg->tx_enable) {
2213                intrmod_cfg->tx_maxcnt_trigger =
2214                        intr_coal->tx_max_coalesced_frames_high;
2215                intrmod_cfg->tx_mincnt_trigger =
2216                        intr_coal->tx_max_coalesced_frames_low;
2217        }
2218
2219        ret = octnet_set_intrmod_cfg(lio, intrmod_cfg);
2220
2221        return ret;
2222}
2223
2224static int
2225oct_cfg_rx_intrcnt(struct lio *lio,
2226                   struct oct_intrmod_cfg *intrmod,
2227                   struct ethtool_coalesce *intr_coal)
2228{
2229        struct octeon_device *oct = lio->oct_dev;
2230        u32 rx_max_coalesced_frames;
2231
2232        /* Config Cnt based interrupt values */
2233        switch (oct->chip_id) {
2234        case OCTEON_CN68XX:
2235        case OCTEON_CN66XX: {
2236                struct octeon_cn6xxx *cn6xxx =
2237                        (struct octeon_cn6xxx *)oct->chip;
2238
2239                if (!intr_coal->rx_max_coalesced_frames)
2240                        rx_max_coalesced_frames = CN6XXX_OQ_INTR_PKT;
2241                else
2242                        rx_max_coalesced_frames =
2243                                intr_coal->rx_max_coalesced_frames;
2244                octeon_write_csr(oct, CN6XXX_SLI_OQ_INT_LEVEL_PKTS,
2245                                 rx_max_coalesced_frames);
2246                CFG_SET_OQ_INTR_PKT(cn6xxx->conf, rx_max_coalesced_frames);
2247                break;
2248        }
2249        case OCTEON_CN23XX_PF_VID: {
2250                int q_no;
2251
2252                if (!intr_coal->rx_max_coalesced_frames)
2253                        rx_max_coalesced_frames = intrmod->rx_frames;
2254                else
2255                        rx_max_coalesced_frames =
2256                            intr_coal->rx_max_coalesced_frames;
2257                for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2258                        q_no += oct->sriov_info.pf_srn;
2259                        octeon_write_csr64(
2260                            oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no),
2261                            (octeon_read_csr64(
2262                                 oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no)) &
2263                             (0x3fffff00000000UL)) |
2264                                (rx_max_coalesced_frames - 1));
2265                        /*consider setting resend bit*/
2266                }
2267                intrmod->rx_frames = rx_max_coalesced_frames;
2268                oct->rx_max_coalesced_frames = rx_max_coalesced_frames;
2269                break;
2270        }
2271        case OCTEON_CN23XX_VF_VID: {
2272                int q_no;
2273
2274                if (!intr_coal->rx_max_coalesced_frames)
2275                        rx_max_coalesced_frames = intrmod->rx_frames;
2276                else
2277                        rx_max_coalesced_frames =
2278                            intr_coal->rx_max_coalesced_frames;
2279                for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2280                        octeon_write_csr64(
2281                            oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no),
2282                            (octeon_read_csr64(
2283                                 oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no)) &
2284                             (0x3fffff00000000UL)) |
2285                                (rx_max_coalesced_frames - 1));
2286                        /*consider writing to resend bit here*/
2287                }
2288                intrmod->rx_frames = rx_max_coalesced_frames;
2289                oct->rx_max_coalesced_frames = rx_max_coalesced_frames;
2290                break;
2291        }
2292        default:
2293                return -EINVAL;
2294        }
2295        return 0;
2296}
2297
2298static int oct_cfg_rx_intrtime(struct lio *lio,
2299                               struct oct_intrmod_cfg *intrmod,
2300                               struct ethtool_coalesce *intr_coal)
2301{
2302        struct octeon_device *oct = lio->oct_dev;
2303        u32 time_threshold, rx_coalesce_usecs;
2304
2305        /* Config Time based interrupt values */
2306        switch (oct->chip_id) {
2307        case OCTEON_CN68XX:
2308        case OCTEON_CN66XX: {
2309                struct octeon_cn6xxx *cn6xxx =
2310                        (struct octeon_cn6xxx *)oct->chip;
2311                if (!intr_coal->rx_coalesce_usecs)
2312                        rx_coalesce_usecs = CN6XXX_OQ_INTR_TIME;
2313                else
2314                        rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
2315
2316                time_threshold = lio_cn6xxx_get_oq_ticks(oct,
2317                                                         rx_coalesce_usecs);
2318                octeon_write_csr(oct,
2319                                 CN6XXX_SLI_OQ_INT_LEVEL_TIME,
2320                                 time_threshold);
2321
2322                CFG_SET_OQ_INTR_TIME(cn6xxx->conf, rx_coalesce_usecs);
2323                break;
2324        }
2325        case OCTEON_CN23XX_PF_VID: {
2326                u64 time_threshold;
2327                int q_no;
2328
2329                if (!intr_coal->rx_coalesce_usecs)
2330                        rx_coalesce_usecs = intrmod->rx_usecs;
2331                else
2332                        rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
2333                time_threshold =
2334                    cn23xx_pf_get_oq_ticks(oct, (u32)rx_coalesce_usecs);
2335                for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2336                        q_no += oct->sriov_info.pf_srn;
2337                        octeon_write_csr64(oct,
2338                                           CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no),
2339                                           (intrmod->rx_frames |
2340                                            ((u64)time_threshold << 32)));
2341                        /*consider writing to resend bit here*/
2342                }
2343                intrmod->rx_usecs = rx_coalesce_usecs;
2344                oct->rx_coalesce_usecs = rx_coalesce_usecs;
2345                break;
2346        }
2347        case OCTEON_CN23XX_VF_VID: {
2348                u64 time_threshold;
2349                int q_no;
2350
2351                if (!intr_coal->rx_coalesce_usecs)
2352                        rx_coalesce_usecs = intrmod->rx_usecs;
2353                else
2354                        rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
2355
2356                time_threshold =
2357                    cn23xx_vf_get_oq_ticks(oct, (u32)rx_coalesce_usecs);
2358                for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2359                        octeon_write_csr64(
2360                                oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no),
2361                                (intrmod->rx_frames |
2362                                 ((u64)time_threshold << 32)));
2363                        /*consider setting resend bit*/
2364                }
2365                intrmod->rx_usecs = rx_coalesce_usecs;
2366                oct->rx_coalesce_usecs = rx_coalesce_usecs;
2367                break;
2368        }
2369        default:
2370                return -EINVAL;
2371        }
2372
2373        return 0;
2374}
2375
2376static int
2377oct_cfg_tx_intrcnt(struct lio *lio,
2378                   struct oct_intrmod_cfg *intrmod,
2379                   struct ethtool_coalesce *intr_coal)
2380{
2381        struct octeon_device *oct = lio->oct_dev;
2382        u32 iq_intr_pkt;
2383        void __iomem *inst_cnt_reg;
2384        u64 val;
2385
2386        /* Config Cnt based interrupt values */
2387        switch (oct->chip_id) {
2388        case OCTEON_CN68XX:
2389        case OCTEON_CN66XX:
2390                break;
2391        case OCTEON_CN23XX_VF_VID:
2392        case OCTEON_CN23XX_PF_VID: {
2393                int q_no;
2394
2395                if (!intr_coal->tx_max_coalesced_frames)
2396                        iq_intr_pkt = CN23XX_DEF_IQ_INTR_THRESHOLD &
2397                                      CN23XX_PKT_IN_DONE_WMARK_MASK;
2398                else
2399                        iq_intr_pkt = intr_coal->tx_max_coalesced_frames &
2400                                      CN23XX_PKT_IN_DONE_WMARK_MASK;
2401                for (q_no = 0; q_no < oct->num_iqs; q_no++) {
2402                        inst_cnt_reg = (oct->instr_queue[q_no])->inst_cnt_reg;
2403                        val = readq(inst_cnt_reg);
2404                        /*clear wmark and count.dont want to write count back*/
2405                        val = (val & 0xFFFF000000000000ULL) |
2406                              ((u64)(iq_intr_pkt - 1)
2407                               << CN23XX_PKT_IN_DONE_WMARK_BIT_POS);
2408                        writeq(val, inst_cnt_reg);
2409                        /*consider setting resend bit*/
2410                }
2411                intrmod->tx_frames = iq_intr_pkt;
2412                oct->tx_max_coalesced_frames = iq_intr_pkt;
2413                break;
2414        }
2415        default:
2416                return -EINVAL;
2417        }
2418        return 0;
2419}
2420
2421static int lio_set_intr_coalesce(struct net_device *netdev,
2422                                 struct ethtool_coalesce *intr_coal,
2423                                 struct kernel_ethtool_coalesce *kernel_coal,
2424                                 struct netlink_ext_ack *extack)
2425{
2426        struct lio *lio = GET_LIO(netdev);
2427        int ret;
2428        struct octeon_device *oct = lio->oct_dev;
2429        struct oct_intrmod_cfg intrmod = {0};
2430        u32 j, q_no;
2431        int db_max, db_min;
2432
2433        switch (oct->chip_id) {
2434        case OCTEON_CN68XX:
2435        case OCTEON_CN66XX:
2436                db_min = CN6XXX_DB_MIN;
2437                db_max = CN6XXX_DB_MAX;
2438                if ((intr_coal->tx_max_coalesced_frames >= db_min) &&
2439                    (intr_coal->tx_max_coalesced_frames <= db_max)) {
2440                        for (j = 0; j < lio->linfo.num_txpciq; j++) {
2441                                q_no = lio->linfo.txpciq[j].s.q_no;
2442                                oct->instr_queue[q_no]->fill_threshold =
2443                                        intr_coal->tx_max_coalesced_frames;
2444                        }
2445                } else {
2446                        dev_err(&oct->pci_dev->dev,
2447                                "LIQUIDIO: Invalid tx-frames:%d. Range is min:%d max:%d\n",
2448                                intr_coal->tx_max_coalesced_frames,
2449                                db_min, db_max);
2450                        return -EINVAL;
2451                }
2452                break;
2453        case OCTEON_CN23XX_PF_VID:
2454        case OCTEON_CN23XX_VF_VID:
2455                break;
2456        default:
2457                return -EINVAL;
2458        }
2459
2460        intrmod.rx_enable = intr_coal->use_adaptive_rx_coalesce ? 1 : 0;
2461        intrmod.tx_enable = intr_coal->use_adaptive_tx_coalesce ? 1 : 0;
2462        intrmod.rx_frames = CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct));
2463        intrmod.rx_usecs = CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct));
2464        intrmod.tx_frames = CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct));
2465
2466        ret = oct_cfg_adaptive_intr(lio, &intrmod, intr_coal);
2467
2468        if (!intr_coal->use_adaptive_rx_coalesce) {
2469                ret = oct_cfg_rx_intrtime(lio, &intrmod, intr_coal);
2470                if (ret)
2471                        goto ret_intrmod;
2472
2473                ret = oct_cfg_rx_intrcnt(lio, &intrmod, intr_coal);
2474                if (ret)
2475                        goto ret_intrmod;
2476        } else {
2477                oct->rx_coalesce_usecs =
2478                        CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct));
2479                oct->rx_max_coalesced_frames =
2480                        CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct));
2481        }
2482
2483        if (!intr_coal->use_adaptive_tx_coalesce) {
2484                ret = oct_cfg_tx_intrcnt(lio, &intrmod, intr_coal);
2485                if (ret)
2486                        goto ret_intrmod;
2487        } else {
2488                oct->tx_max_coalesced_frames =
2489                        CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct));
2490        }
2491
2492        return 0;
2493ret_intrmod:
2494        return ret;
2495}
2496
2497static int lio_get_ts_info(struct net_device *netdev,
2498                           struct ethtool_ts_info *info)
2499{
2500        struct lio *lio = GET_LIO(netdev);
2501
2502        info->so_timestamping =
2503#ifdef PTP_HARDWARE_TIMESTAMPING
2504                SOF_TIMESTAMPING_TX_HARDWARE |
2505                SOF_TIMESTAMPING_RX_HARDWARE |
2506                SOF_TIMESTAMPING_RAW_HARDWARE |
2507                SOF_TIMESTAMPING_TX_SOFTWARE |
2508#endif
2509                SOF_TIMESTAMPING_RX_SOFTWARE |
2510                SOF_TIMESTAMPING_SOFTWARE;
2511
2512        if (lio->ptp_clock)
2513                info->phc_index = ptp_clock_index(lio->ptp_clock);
2514        else
2515                info->phc_index = -1;
2516
2517#ifdef PTP_HARDWARE_TIMESTAMPING
2518        info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2519
2520        info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
2521                           (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
2522                           (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
2523                           (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
2524#endif
2525
2526        return 0;
2527}
2528
2529/* Return register dump len. */
2530static int lio_get_regs_len(struct net_device *dev)
2531{
2532        struct lio *lio = GET_LIO(dev);
2533        struct octeon_device *oct = lio->oct_dev;
2534
2535        switch (oct->chip_id) {
2536        case OCTEON_CN23XX_PF_VID:
2537                return OCT_ETHTOOL_REGDUMP_LEN_23XX;
2538        case OCTEON_CN23XX_VF_VID:
2539                return OCT_ETHTOOL_REGDUMP_LEN_23XX_VF;
2540        default:
2541                return OCT_ETHTOOL_REGDUMP_LEN;
2542        }
2543}
2544
2545static int cn23xx_read_csr_reg(char *s, struct octeon_device *oct)
2546{
2547        u32 reg;
2548        u8 pf_num = oct->pf_num;
2549        int len = 0;
2550        int i;
2551
2552        /* PCI  Window Registers */
2553
2554        len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
2555
2556        /*0x29030 or 0x29040*/
2557        reg = CN23XX_SLI_PKT_MAC_RINFO64(oct->pcie_port, oct->pf_num);
2558        len += sprintf(s + len,
2559                       "\n[%08x] (SLI_PKT_MAC%d_PF%d_RINFO): %016llx\n",
2560                       reg, oct->pcie_port, oct->pf_num,
2561                       (u64)octeon_read_csr64(oct, reg));
2562
2563        /*0x27080 or 0x27090*/
2564        reg = CN23XX_SLI_MAC_PF_INT_ENB64(oct->pcie_port, oct->pf_num);
2565        len +=
2566            sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_INT_ENB): %016llx\n",
2567                    reg, oct->pcie_port, oct->pf_num,
2568                    (u64)octeon_read_csr64(oct, reg));
2569
2570        /*0x27000 or 0x27010*/
2571        reg = CN23XX_SLI_MAC_PF_INT_SUM64(oct->pcie_port, oct->pf_num);
2572        len +=
2573            sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_INT_SUM): %016llx\n",
2574                    reg, oct->pcie_port, oct->pf_num,
2575                    (u64)octeon_read_csr64(oct, reg));
2576
2577        /*0x29120*/
2578        reg = 0x29120;
2579        len += sprintf(s + len, "\n[%08x] (SLI_PKT_MEM_CTL): %016llx\n", reg,
2580                       (u64)octeon_read_csr64(oct, reg));
2581
2582        /*0x27300*/
2583        reg = 0x27300 + oct->pcie_port * CN23XX_MAC_INT_OFFSET +
2584              (oct->pf_num) * CN23XX_PF_INT_OFFSET;
2585        len += sprintf(
2586            s + len, "\n[%08x] (SLI_MAC%d_PF%d_PKT_VF_INT): %016llx\n", reg,
2587            oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg));
2588
2589        /*0x27200*/
2590        reg = 0x27200 + oct->pcie_port * CN23XX_MAC_INT_OFFSET +
2591              (oct->pf_num) * CN23XX_PF_INT_OFFSET;
2592        len += sprintf(s + len,
2593                       "\n[%08x] (SLI_MAC%d_PF%d_PP_VF_INT): %016llx\n",
2594                       reg, oct->pcie_port, oct->pf_num,
2595                       (u64)octeon_read_csr64(oct, reg));
2596
2597        /*29130*/
2598        reg = CN23XX_SLI_PKT_CNT_INT;
2599        len += sprintf(s + len, "\n[%08x] (SLI_PKT_CNT_INT): %016llx\n", reg,
2600                       (u64)octeon_read_csr64(oct, reg));
2601
2602        /*0x29140*/
2603        reg = CN23XX_SLI_PKT_TIME_INT;
2604        len += sprintf(s + len, "\n[%08x] (SLI_PKT_TIME_INT): %016llx\n", reg,
2605                       (u64)octeon_read_csr64(oct, reg));
2606
2607        /*0x29160*/
2608        reg = 0x29160;
2609        len += sprintf(s + len, "\n[%08x] (SLI_PKT_INT): %016llx\n", reg,
2610                       (u64)octeon_read_csr64(oct, reg));
2611
2612        /*0x29180*/
2613        reg = CN23XX_SLI_OQ_WMARK;
2614        len += sprintf(s + len, "\n[%08x] (SLI_PKT_OUTPUT_WMARK): %016llx\n",
2615                       reg, (u64)octeon_read_csr64(oct, reg));
2616
2617        /*0x291E0*/
2618        reg = CN23XX_SLI_PKT_IOQ_RING_RST;
2619        len += sprintf(s + len, "\n[%08x] (SLI_PKT_RING_RST): %016llx\n", reg,
2620                       (u64)octeon_read_csr64(oct, reg));
2621
2622        /*0x29210*/
2623        reg = CN23XX_SLI_GBL_CONTROL;
2624        len += sprintf(s + len,
2625                       "\n[%08x] (SLI_PKT_GBL_CONTROL): %016llx\n", reg,
2626                       (u64)octeon_read_csr64(oct, reg));
2627
2628        /*0x29220*/
2629        reg = 0x29220;
2630        len += sprintf(s + len, "\n[%08x] (SLI_PKT_BIST_STATUS): %016llx\n",
2631                       reg, (u64)octeon_read_csr64(oct, reg));
2632
2633        /*PF only*/
2634        if (pf_num == 0) {
2635                /*0x29260*/
2636                reg = CN23XX_SLI_OUT_BP_EN_W1S;
2637                len += sprintf(s + len,
2638                               "\n[%08x] (SLI_PKT_OUT_BP_EN_W1S):  %016llx\n",
2639                               reg, (u64)octeon_read_csr64(oct, reg));
2640        } else if (pf_num == 1) {
2641                /*0x29270*/
2642                reg = CN23XX_SLI_OUT_BP_EN2_W1S;
2643                len += sprintf(s + len,
2644                               "\n[%08x] (SLI_PKT_OUT_BP_EN2_W1S): %016llx\n",
2645                               reg, (u64)octeon_read_csr64(oct, reg));
2646        }
2647
2648        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2649                reg = CN23XX_SLI_OQ_BUFF_INFO_SIZE(i);
2650                len +=
2651                    sprintf(s + len, "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n",
2652                            reg, i, (u64)octeon_read_csr64(oct, reg));
2653        }
2654
2655        /*0x10040*/
2656        for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2657                reg = CN23XX_SLI_IQ_INSTR_COUNT64(i);
2658                len += sprintf(s + len,
2659                               "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2660                               reg, i, (u64)octeon_read_csr64(oct, reg));
2661        }
2662
2663        /*0x10080*/
2664        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2665                reg = CN23XX_SLI_OQ_PKTS_CREDIT(i);
2666                len += sprintf(s + len,
2667                               "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n",
2668                               reg, i, (u64)octeon_read_csr64(oct, reg));
2669        }
2670
2671        /*0x10090*/
2672        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2673                reg = CN23XX_SLI_OQ_SIZE(i);
2674                len += sprintf(
2675                    s + len, "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n",
2676                    reg, i, (u64)octeon_read_csr64(oct, reg));
2677        }
2678
2679        /*0x10050*/
2680        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2681                reg = CN23XX_SLI_OQ_PKT_CONTROL(i);
2682                len += sprintf(
2683                        s + len,
2684                        "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n",
2685                        reg, i, (u64)octeon_read_csr64(oct, reg));
2686        }
2687
2688        /*0x10070*/
2689        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2690                reg = CN23XX_SLI_OQ_BASE_ADDR64(i);
2691                len += sprintf(s + len,
2692                               "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n",
2693                               reg, i, (u64)octeon_read_csr64(oct, reg));
2694        }
2695
2696        /*0x100a0*/
2697        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2698                reg = CN23XX_SLI_OQ_PKT_INT_LEVELS(i);
2699                len += sprintf(s + len,
2700                               "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n",
2701                               reg, i, (u64)octeon_read_csr64(oct, reg));
2702        }
2703
2704        /*0x100b0*/
2705        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2706                reg = CN23XX_SLI_OQ_PKTS_SENT(i);
2707                len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n",
2708                               reg, i, (u64)octeon_read_csr64(oct, reg));
2709        }
2710
2711        /*0x100c0*/
2712        for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2713                reg = 0x100c0 + i * CN23XX_OQ_OFFSET;
2714                len += sprintf(s + len,
2715                               "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n",
2716                               reg, i, (u64)octeon_read_csr64(oct, reg));
2717
2718                /*0x10000*/
2719                for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2720                        reg = CN23XX_SLI_IQ_PKT_CONTROL64(i);
2721                        len += sprintf(
2722                                s + len,
2723                                "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n",
2724                                reg, i, (u64)octeon_read_csr64(oct, reg));
2725                }
2726
2727                /*0x10010*/
2728                for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2729                        reg = CN23XX_SLI_IQ_BASE_ADDR64(i);
2730                        len += sprintf(
2731                            s + len,
2732                            "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n", reg,
2733                            i, (u64)octeon_read_csr64(oct, reg));
2734                }
2735
2736                /*0x10020*/
2737                for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2738                        reg = CN23XX_SLI_IQ_DOORBELL(i);
2739                        len += sprintf(
2740                            s + len,
2741                            "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n",
2742                            reg, i, (u64)octeon_read_csr64(oct, reg));
2743                }
2744
2745                /*0x10030*/
2746                for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2747                        reg = CN23XX_SLI_IQ_SIZE(i);
2748                        len += sprintf(
2749                            s + len,
2750                            "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n",
2751                            reg, i, (u64)octeon_read_csr64(oct, reg));
2752                }
2753
2754                /*0x10040*/
2755                for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++)
2756                        reg = CN23XX_SLI_IQ_INSTR_COUNT64(i);
2757                len += sprintf(s + len,
2758                               "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2759                               reg, i, (u64)octeon_read_csr64(oct, reg));
2760        }
2761
2762        return len;
2763}
2764
2765static int cn23xx_vf_read_csr_reg(char *s, struct octeon_device *oct)
2766{
2767        int len = 0;
2768        u32 reg;
2769        int i;
2770
2771        /* PCI  Window Registers */
2772
2773        len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
2774
2775        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2776                reg = CN23XX_VF_SLI_OQ_BUFF_INFO_SIZE(i);
2777                len += sprintf(s + len,
2778                               "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n",
2779                               reg, i, (u64)octeon_read_csr64(oct, reg));
2780        }
2781
2782        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2783                reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i);
2784                len += sprintf(s + len,
2785                               "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2786                               reg, i, (u64)octeon_read_csr64(oct, reg));
2787        }
2788
2789        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2790                reg = CN23XX_VF_SLI_OQ_PKTS_CREDIT(i);
2791                len += sprintf(s + len,
2792                               "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n",
2793                               reg, i, (u64)octeon_read_csr64(oct, reg));
2794        }
2795
2796        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2797                reg = CN23XX_VF_SLI_OQ_SIZE(i);
2798                len += sprintf(s + len,
2799                               "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n",
2800                               reg, i, (u64)octeon_read_csr64(oct, reg));
2801        }
2802
2803        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2804                reg = CN23XX_VF_SLI_OQ_PKT_CONTROL(i);
2805                len += sprintf(s + len,
2806                               "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n",
2807                               reg, i, (u64)octeon_read_csr64(oct, reg));
2808        }
2809
2810        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2811                reg = CN23XX_VF_SLI_OQ_BASE_ADDR64(i);
2812                len += sprintf(s + len,
2813                               "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n",
2814                               reg, i, (u64)octeon_read_csr64(oct, reg));
2815        }
2816
2817        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2818                reg = CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(i);
2819                len += sprintf(s + len,
2820                               "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n",
2821                               reg, i, (u64)octeon_read_csr64(oct, reg));
2822        }
2823
2824        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2825                reg = CN23XX_VF_SLI_OQ_PKTS_SENT(i);
2826                len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n",
2827                               reg, i, (u64)octeon_read_csr64(oct, reg));
2828        }
2829
2830        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2831                reg = 0x100c0 + i * CN23XX_VF_OQ_OFFSET;
2832                len += sprintf(s + len,
2833                               "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n",
2834                               reg, i, (u64)octeon_read_csr64(oct, reg));
2835        }
2836
2837        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2838                reg = 0x100d0 + i * CN23XX_VF_IQ_OFFSET;
2839                len += sprintf(s + len,
2840                               "\n[%08x] (SLI_PKT%d_VF_INT_SUM): %016llx\n",
2841                               reg, i, (u64)octeon_read_csr64(oct, reg));
2842        }
2843
2844        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2845                reg = CN23XX_VF_SLI_IQ_PKT_CONTROL64(i);
2846                len += sprintf(s + len,
2847                               "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n",
2848                               reg, i, (u64)octeon_read_csr64(oct, reg));
2849        }
2850
2851        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2852                reg = CN23XX_VF_SLI_IQ_BASE_ADDR64(i);
2853                len += sprintf(s + len,
2854                               "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n",
2855                               reg, i, (u64)octeon_read_csr64(oct, reg));
2856        }
2857
2858        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2859                reg = CN23XX_VF_SLI_IQ_DOORBELL(i);
2860                len += sprintf(s + len,
2861                               "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n",
2862                               reg, i, (u64)octeon_read_csr64(oct, reg));
2863        }
2864
2865        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2866                reg = CN23XX_VF_SLI_IQ_SIZE(i);
2867                len += sprintf(s + len,
2868                               "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n",
2869                               reg, i, (u64)octeon_read_csr64(oct, reg));
2870        }
2871
2872        for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2873                reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i);
2874                len += sprintf(s + len,
2875                               "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2876                               reg, i, (u64)octeon_read_csr64(oct, reg));
2877        }
2878
2879        return len;
2880}
2881
2882static int cn6xxx_read_csr_reg(char *s, struct octeon_device *oct)
2883{
2884        u32 reg;
2885        int i, len = 0;
2886
2887        /* PCI  Window Registers */
2888
2889        len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
2890        reg = CN6XXX_WIN_WR_ADDR_LO;
2891        len += sprintf(s + len, "\n[%02x] (WIN_WR_ADDR_LO): %08x\n",
2892                       CN6XXX_WIN_WR_ADDR_LO, octeon_read_csr(oct, reg));
2893        reg = CN6XXX_WIN_WR_ADDR_HI;
2894        len += sprintf(s + len, "[%02x] (WIN_WR_ADDR_HI): %08x\n",
2895                       CN6XXX_WIN_WR_ADDR_HI, octeon_read_csr(oct, reg));
2896        reg = CN6XXX_WIN_RD_ADDR_LO;
2897        len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_LO): %08x\n",
2898                       CN6XXX_WIN_RD_ADDR_LO, octeon_read_csr(oct, reg));
2899        reg = CN6XXX_WIN_RD_ADDR_HI;
2900        len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_HI): %08x\n",
2901                       CN6XXX_WIN_RD_ADDR_HI, octeon_read_csr(oct, reg));
2902        reg = CN6XXX_WIN_WR_DATA_LO;
2903        len += sprintf(s + len, "[%02x] (WIN_WR_DATA_LO): %08x\n",
2904                       CN6XXX_WIN_WR_DATA_LO, octeon_read_csr(oct, reg));
2905        reg = CN6XXX_WIN_WR_DATA_HI;
2906        len += sprintf(s + len, "[%02x] (WIN_WR_DATA_HI): %08x\n",
2907                       CN6XXX_WIN_WR_DATA_HI, octeon_read_csr(oct, reg));
2908        len += sprintf(s + len, "[%02x] (WIN_WR_MASK_REG): %08x\n",
2909                       CN6XXX_WIN_WR_MASK_REG,
2910                       octeon_read_csr(oct, CN6XXX_WIN_WR_MASK_REG));
2911
2912        /* PCI  Interrupt Register */
2913        len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 0): %08x\n",
2914                       CN6XXX_SLI_INT_ENB64_PORT0, octeon_read_csr(oct,
2915                                                CN6XXX_SLI_INT_ENB64_PORT0));
2916        len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 1): %08x\n",
2917                       CN6XXX_SLI_INT_ENB64_PORT1,
2918                       octeon_read_csr(oct, CN6XXX_SLI_INT_ENB64_PORT1));
2919        len += sprintf(s + len, "[%x] (INT_SUM): %08x\n", CN6XXX_SLI_INT_SUM64,
2920                       octeon_read_csr(oct, CN6XXX_SLI_INT_SUM64));
2921
2922        /* PCI  Output queue registers */
2923        for (i = 0; i < oct->num_oqs; i++) {
2924                reg = CN6XXX_SLI_OQ_PKTS_SENT(i);
2925                len += sprintf(s + len, "\n[%x] (PKTS_SENT_%d): %08x\n",
2926                               reg, i, octeon_read_csr(oct, reg));
2927                reg = CN6XXX_SLI_OQ_PKTS_CREDIT(i);
2928                len += sprintf(s + len, "[%x] (PKT_CREDITS_%d): %08x\n",
2929                               reg, i, octeon_read_csr(oct, reg));
2930        }
2931        reg = CN6XXX_SLI_OQ_INT_LEVEL_PKTS;
2932        len += sprintf(s + len, "\n[%x] (PKTS_SENT_INT_LEVEL): %08x\n",
2933                       reg, octeon_read_csr(oct, reg));
2934        reg = CN6XXX_SLI_OQ_INT_LEVEL_TIME;
2935        len += sprintf(s + len, "[%x] (PKTS_SENT_TIME): %08x\n",
2936                       reg, octeon_read_csr(oct, reg));
2937
2938        /* PCI  Input queue registers */
2939        for (i = 0; i <= 3; i++) {
2940                u32 reg;
2941
2942                reg = CN6XXX_SLI_IQ_DOORBELL(i);
2943                len += sprintf(s + len, "\n[%x] (INSTR_DOORBELL_%d): %08x\n",
2944                               reg, i, octeon_read_csr(oct, reg));
2945                reg = CN6XXX_SLI_IQ_INSTR_COUNT(i);
2946                len += sprintf(s + len, "[%x] (INSTR_COUNT_%d): %08x\n",
2947                               reg, i, octeon_read_csr(oct, reg));
2948        }
2949
2950        /* PCI  DMA registers */
2951
2952        len += sprintf(s + len, "\n[%x] (DMA_CNT_0): %08x\n",
2953                       CN6XXX_DMA_CNT(0),
2954                       octeon_read_csr(oct, CN6XXX_DMA_CNT(0)));
2955        reg = CN6XXX_DMA_PKT_INT_LEVEL(0);
2956        len += sprintf(s + len, "[%x] (DMA_INT_LEV_0): %08x\n",
2957                       CN6XXX_DMA_PKT_INT_LEVEL(0), octeon_read_csr(oct, reg));
2958        reg = CN6XXX_DMA_TIME_INT_LEVEL(0);
2959        len += sprintf(s + len, "[%x] (DMA_TIME_0): %08x\n",
2960                       CN6XXX_DMA_TIME_INT_LEVEL(0),
2961                       octeon_read_csr(oct, reg));
2962
2963        len += sprintf(s + len, "\n[%x] (DMA_CNT_1): %08x\n",
2964                       CN6XXX_DMA_CNT(1),
2965                       octeon_read_csr(oct, CN6XXX_DMA_CNT(1)));
2966        reg = CN6XXX_DMA_PKT_INT_LEVEL(1);
2967        len += sprintf(s + len, "[%x] (DMA_INT_LEV_1): %08x\n",
2968                       CN6XXX_DMA_PKT_INT_LEVEL(1),
2969                       octeon_read_csr(oct, reg));
2970        reg = CN6XXX_DMA_PKT_INT_LEVEL(1);
2971        len += sprintf(s + len, "[%x] (DMA_TIME_1): %08x\n",
2972                       CN6XXX_DMA_TIME_INT_LEVEL(1),
2973                       octeon_read_csr(oct, reg));
2974
2975        /* PCI  Index registers */
2976
2977        len += sprintf(s + len, "\n");
2978
2979        for (i = 0; i < 16; i++) {
2980                reg = lio_pci_readq(oct, CN6XXX_BAR1_REG(i, oct->pcie_port));
2981                len += sprintf(s + len, "[%llx] (BAR1_INDEX_%02d): %08x\n",
2982                               CN6XXX_BAR1_REG(i, oct->pcie_port), i, reg);
2983        }
2984
2985        return len;
2986}
2987
2988static int cn6xxx_read_config_reg(char *s, struct octeon_device *oct)
2989{
2990        u32 val;
2991        int i, len = 0;
2992
2993        /* PCI CONFIG Registers */
2994
2995        len += sprintf(s + len,
2996                       "\n\t Octeon Config space Registers\n\n");
2997
2998        for (i = 0; i <= 13; i++) {
2999                pci_read_config_dword(oct->pci_dev, (i * 4), &val);
3000                len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n",
3001                               (i * 4), i, val);
3002        }
3003
3004        for (i = 30; i <= 34; i++) {
3005                pci_read_config_dword(oct->pci_dev, (i * 4), &val);
3006                len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n",
3007                               (i * 4), i, val);
3008        }
3009
3010        return len;
3011}
3012
3013/*  Return register dump user app.  */
3014static void lio_get_regs(struct net_device *dev,
3015                         struct ethtool_regs *regs, void *regbuf)
3016{
3017        struct lio *lio = GET_LIO(dev);
3018        int len = 0;
3019        struct octeon_device *oct = lio->oct_dev;
3020
3021        regs->version = OCT_ETHTOOL_REGSVER;
3022
3023        switch (oct->chip_id) {
3024        case OCTEON_CN23XX_PF_VID:
3025                memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX);
3026                len += cn23xx_read_csr_reg(regbuf + len, oct);
3027                break;
3028        case OCTEON_CN23XX_VF_VID:
3029                memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX_VF);
3030                len += cn23xx_vf_read_csr_reg(regbuf + len, oct);
3031                break;
3032        case OCTEON_CN68XX:
3033        case OCTEON_CN66XX:
3034                memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN);
3035                len += cn6xxx_read_csr_reg(regbuf + len, oct);
3036                len += cn6xxx_read_config_reg(regbuf + len, oct);
3037                break;
3038        default:
3039                dev_err(&oct->pci_dev->dev, "%s Unknown chipid: %d\n",
3040                        __func__, oct->chip_id);
3041        }
3042}
3043
3044static u32 lio_get_priv_flags(struct net_device *netdev)
3045{
3046        struct lio *lio = GET_LIO(netdev);
3047
3048        return lio->oct_dev->priv_flags;
3049}
3050
3051static int lio_set_priv_flags(struct net_device *netdev, u32 flags)
3052{
3053        struct lio *lio = GET_LIO(netdev);
3054        bool intr_by_tx_bytes = !!(flags & (0x1 << OCT_PRIV_FLAG_TX_BYTES));
3055
3056        lio_set_priv_flag(lio->oct_dev, OCT_PRIV_FLAG_TX_BYTES,
3057                          intr_by_tx_bytes);
3058        return 0;
3059}
3060
3061static int lio_get_fecparam(struct net_device *netdev,
3062                            struct ethtool_fecparam *fec)
3063{
3064        struct lio *lio = GET_LIO(netdev);
3065        struct octeon_device *oct = lio->oct_dev;
3066
3067        fec->active_fec = ETHTOOL_FEC_NONE;
3068        fec->fec = ETHTOOL_FEC_NONE;
3069
3070        if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
3071            oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) {
3072                if (oct->no_speed_setting == 1)
3073                        return 0;
3074
3075                liquidio_get_fec(lio);
3076                fec->fec = (ETHTOOL_FEC_RS | ETHTOOL_FEC_OFF);
3077                if (oct->props[lio->ifidx].fec == 1)
3078                        fec->active_fec = ETHTOOL_FEC_RS;
3079                else
3080                        fec->active_fec = ETHTOOL_FEC_OFF;
3081        }
3082
3083        return 0;
3084}
3085
3086static int lio_set_fecparam(struct net_device *netdev,
3087                            struct ethtool_fecparam *fec)
3088{
3089        struct lio *lio = GET_LIO(netdev);
3090        struct octeon_device *oct = lio->oct_dev;
3091
3092        if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
3093            oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) {
3094                if (oct->no_speed_setting == 1)
3095                        return -EOPNOTSUPP;
3096
3097                if (fec->fec & ETHTOOL_FEC_OFF)
3098                        liquidio_set_fec(lio, 0);
3099                else if (fec->fec & ETHTOOL_FEC_RS)
3100                        liquidio_set_fec(lio, 1);
3101                else
3102                        return -EOPNOTSUPP;
3103        } else {
3104                return -EOPNOTSUPP;
3105        }
3106
3107        return 0;
3108}
3109
3110#define LIO_ETHTOOL_COALESCE    (ETHTOOL_COALESCE_RX_USECS |            \
3111                                 ETHTOOL_COALESCE_MAX_FRAMES |          \
3112                                 ETHTOOL_COALESCE_USE_ADAPTIVE |        \
3113                                 ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW |   \
3114                                 ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW |   \
3115                                 ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH |  \
3116                                 ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH |  \
3117                                 ETHTOOL_COALESCE_PKT_RATE_RX_USECS)
3118
3119static const struct ethtool_ops lio_ethtool_ops = {
3120        .supported_coalesce_params = LIO_ETHTOOL_COALESCE,
3121        .get_link_ksettings     = lio_get_link_ksettings,
3122        .set_link_ksettings     = lio_set_link_ksettings,
3123        .get_fecparam           = lio_get_fecparam,
3124        .set_fecparam           = lio_set_fecparam,
3125        .get_link               = ethtool_op_get_link,
3126        .get_drvinfo            = lio_get_drvinfo,
3127        .get_ringparam          = lio_ethtool_get_ringparam,
3128        .set_ringparam          = lio_ethtool_set_ringparam,
3129        .get_channels           = lio_ethtool_get_channels,
3130        .set_channels           = lio_ethtool_set_channels,
3131        .set_phys_id            = lio_set_phys_id,
3132        .get_eeprom_len         = lio_get_eeprom_len,
3133        .get_eeprom             = lio_get_eeprom,
3134        .get_strings            = lio_get_strings,
3135        .get_ethtool_stats      = lio_get_ethtool_stats,
3136        .get_pauseparam         = lio_get_pauseparam,
3137        .set_pauseparam         = lio_set_pauseparam,
3138        .get_regs_len           = lio_get_regs_len,
3139        .get_regs               = lio_get_regs,
3140        .get_msglevel           = lio_get_msglevel,
3141        .set_msglevel           = lio_set_msglevel,
3142        .get_sset_count         = lio_get_sset_count,
3143        .get_coalesce           = lio_get_intr_coalesce,
3144        .set_coalesce           = lio_set_intr_coalesce,
3145        .get_priv_flags         = lio_get_priv_flags,
3146        .set_priv_flags         = lio_set_priv_flags,
3147        .get_ts_info            = lio_get_ts_info,
3148};
3149
3150static const struct ethtool_ops lio_vf_ethtool_ops = {
3151        .supported_coalesce_params = LIO_ETHTOOL_COALESCE,
3152        .get_link_ksettings     = lio_get_link_ksettings,
3153        .get_link               = ethtool_op_get_link,
3154        .get_drvinfo            = lio_get_vf_drvinfo,
3155        .get_ringparam          = lio_ethtool_get_ringparam,
3156        .set_ringparam          = lio_ethtool_set_ringparam,
3157        .get_channels           = lio_ethtool_get_channels,
3158        .set_channels           = lio_ethtool_set_channels,
3159        .get_strings            = lio_vf_get_strings,
3160        .get_ethtool_stats      = lio_vf_get_ethtool_stats,
3161        .get_regs_len           = lio_get_regs_len,
3162        .get_regs               = lio_get_regs,
3163        .get_msglevel           = lio_get_msglevel,
3164        .set_msglevel           = lio_vf_set_msglevel,
3165        .get_sset_count         = lio_vf_get_sset_count,
3166        .get_coalesce           = lio_get_intr_coalesce,
3167        .set_coalesce           = lio_set_intr_coalesce,
3168        .get_priv_flags         = lio_get_priv_flags,
3169        .set_priv_flags         = lio_set_priv_flags,
3170        .get_ts_info            = lio_get_ts_info,
3171};
3172
3173void liquidio_set_ethtool_ops(struct net_device *netdev)
3174{
3175        struct lio *lio = GET_LIO(netdev);
3176        struct octeon_device *oct = lio->oct_dev;
3177
3178        if (OCTEON_CN23XX_VF(oct))
3179                netdev->ethtool_ops = &lio_vf_ethtool_ops;
3180        else
3181                netdev->ethtool_ops = &lio_ethtool_ops;
3182}
3183