linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  Copyright (C) 2013-2015 Chelsio Communications.  All rights reserved.
   4 */
   5
   6#include <linux/firmware.h>
   7#include <linux/mdio.h>
   8
   9#include "cxgb4.h"
  10#include "t4_regs.h"
  11#include "t4fw_api.h"
  12#include "cxgb4_cudbg.h"
  13#include "cxgb4_filter.h"
  14#include "cxgb4_tc_flower.h"
  15
  16#define EEPROM_MAGIC 0x38E2F10C
  17
  18static u32 get_msglevel(struct net_device *dev)
  19{
  20        return netdev2adap(dev)->msg_enable;
  21}
  22
  23static void set_msglevel(struct net_device *dev, u32 val)
  24{
  25        netdev2adap(dev)->msg_enable = val;
  26}
  27
  28enum cxgb4_ethtool_tests {
  29        CXGB4_ETHTOOL_LB_TEST,
  30        CXGB4_ETHTOOL_MAX_TEST,
  31};
  32
  33static const char cxgb4_selftest_strings[CXGB4_ETHTOOL_MAX_TEST][ETH_GSTRING_LEN] = {
  34        "Loop back test (offline)",
  35};
  36
  37static const char * const flash_region_strings[] = {
  38        "All",
  39        "Firmware",
  40        "PHY Firmware",
  41        "Boot",
  42        "Boot CFG",
  43};
  44
  45static const char stats_strings[][ETH_GSTRING_LEN] = {
  46        "tx_octets_ok           ",
  47        "tx_frames_ok           ",
  48        "tx_broadcast_frames    ",
  49        "tx_multicast_frames    ",
  50        "tx_unicast_frames      ",
  51        "tx_error_frames        ",
  52
  53        "tx_frames_64           ",
  54        "tx_frames_65_to_127    ",
  55        "tx_frames_128_to_255   ",
  56        "tx_frames_256_to_511   ",
  57        "tx_frames_512_to_1023  ",
  58        "tx_frames_1024_to_1518 ",
  59        "tx_frames_1519_to_max  ",
  60
  61        "tx_frames_dropped      ",
  62        "tx_pause_frames        ",
  63        "tx_ppp0_frames         ",
  64        "tx_ppp1_frames         ",
  65        "tx_ppp2_frames         ",
  66        "tx_ppp3_frames         ",
  67        "tx_ppp4_frames         ",
  68        "tx_ppp5_frames         ",
  69        "tx_ppp6_frames         ",
  70        "tx_ppp7_frames         ",
  71
  72        "rx_octets_ok           ",
  73        "rx_frames_ok           ",
  74        "rx_broadcast_frames    ",
  75        "rx_multicast_frames    ",
  76        "rx_unicast_frames      ",
  77
  78        "rx_frames_too_long     ",
  79        "rx_jabber_errors       ",
  80        "rx_fcs_errors          ",
  81        "rx_length_errors       ",
  82        "rx_symbol_errors       ",
  83        "rx_runt_frames         ",
  84
  85        "rx_frames_64           ",
  86        "rx_frames_65_to_127    ",
  87        "rx_frames_128_to_255   ",
  88        "rx_frames_256_to_511   ",
  89        "rx_frames_512_to_1023  ",
  90        "rx_frames_1024_to_1518 ",
  91        "rx_frames_1519_to_max  ",
  92
  93        "rx_pause_frames        ",
  94        "rx_ppp0_frames         ",
  95        "rx_ppp1_frames         ",
  96        "rx_ppp2_frames         ",
  97        "rx_ppp3_frames         ",
  98        "rx_ppp4_frames         ",
  99        "rx_ppp5_frames         ",
 100        "rx_ppp6_frames         ",
 101        "rx_ppp7_frames         ",
 102
 103        "rx_bg0_frames_dropped  ",
 104        "rx_bg1_frames_dropped  ",
 105        "rx_bg2_frames_dropped  ",
 106        "rx_bg3_frames_dropped  ",
 107        "rx_bg0_frames_trunc    ",
 108        "rx_bg1_frames_trunc    ",
 109        "rx_bg2_frames_trunc    ",
 110        "rx_bg3_frames_trunc    ",
 111
 112        "tso                    ",
 113        "uso                    ",
 114        "tx_csum_offload        ",
 115        "rx_csum_good           ",
 116        "vlan_extractions       ",
 117        "vlan_insertions        ",
 118        "gro_packets            ",
 119        "gro_merged             ",
 120#if  IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
 121        "tx_tls_encrypted_packets",
 122        "tx_tls_encrypted_bytes  ",
 123        "tx_tls_ctx              ",
 124        "tx_tls_ooo              ",
 125        "tx_tls_skip_no_sync_data",
 126        "tx_tls_drop_no_sync_data",
 127        "tx_tls_drop_bypass_req  ",
 128#endif
 129};
 130
 131static char adapter_stats_strings[][ETH_GSTRING_LEN] = {
 132        "db_drop                ",
 133        "db_full                ",
 134        "db_empty               ",
 135        "write_coal_success     ",
 136        "write_coal_fail        ",
 137};
 138
 139static char loopback_stats_strings[][ETH_GSTRING_LEN] = {
 140        "-------Loopback----------- ",
 141        "octets_ok              ",
 142        "frames_ok              ",
 143        "bcast_frames           ",
 144        "mcast_frames           ",
 145        "ucast_frames           ",
 146        "error_frames           ",
 147        "frames_64              ",
 148        "frames_65_to_127       ",
 149        "frames_128_to_255      ",
 150        "frames_256_to_511      ",
 151        "frames_512_to_1023     ",
 152        "frames_1024_to_1518    ",
 153        "frames_1519_to_max     ",
 154        "frames_dropped         ",
 155        "bg0_frames_dropped     ",
 156        "bg1_frames_dropped     ",
 157        "bg2_frames_dropped     ",
 158        "bg3_frames_dropped     ",
 159        "bg0_frames_trunc       ",
 160        "bg1_frames_trunc       ",
 161        "bg2_frames_trunc       ",
 162        "bg3_frames_trunc       ",
 163};
 164
 165static const char cxgb4_priv_flags_strings[][ETH_GSTRING_LEN] = {
 166        [PRIV_FLAG_PORT_TX_VM_BIT] = "port_tx_vm_wr",
 167};
 168
 169static int get_sset_count(struct net_device *dev, int sset)
 170{
 171        switch (sset) {
 172        case ETH_SS_STATS:
 173                return ARRAY_SIZE(stats_strings) +
 174                       ARRAY_SIZE(adapter_stats_strings) +
 175                       ARRAY_SIZE(loopback_stats_strings);
 176        case ETH_SS_PRIV_FLAGS:
 177                return ARRAY_SIZE(cxgb4_priv_flags_strings);
 178        case ETH_SS_TEST:
 179                return ARRAY_SIZE(cxgb4_selftest_strings);
 180        default:
 181                return -EOPNOTSUPP;
 182        }
 183}
 184
 185static int get_regs_len(struct net_device *dev)
 186{
 187        struct adapter *adap = netdev2adap(dev);
 188
 189        return t4_get_regs_len(adap);
 190}
 191
 192static int get_eeprom_len(struct net_device *dev)
 193{
 194        return EEPROMSIZE;
 195}
 196
 197static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 198{
 199        struct adapter *adapter = netdev2adap(dev);
 200        u32 exprom_vers;
 201
 202        strlcpy(info->driver, cxgb4_driver_name, sizeof(info->driver));
 203        strlcpy(info->bus_info, pci_name(adapter->pdev),
 204                sizeof(info->bus_info));
 205        info->regdump_len = get_regs_len(dev);
 206
 207        if (adapter->params.fw_vers)
 208                snprintf(info->fw_version, sizeof(info->fw_version),
 209                         "%u.%u.%u.%u, TP %u.%u.%u.%u",
 210                         FW_HDR_FW_VER_MAJOR_G(adapter->params.fw_vers),
 211                         FW_HDR_FW_VER_MINOR_G(adapter->params.fw_vers),
 212                         FW_HDR_FW_VER_MICRO_G(adapter->params.fw_vers),
 213                         FW_HDR_FW_VER_BUILD_G(adapter->params.fw_vers),
 214                         FW_HDR_FW_VER_MAJOR_G(adapter->params.tp_vers),
 215                         FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers),
 216                         FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers),
 217                         FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers));
 218
 219        if (!t4_get_exprom_version(adapter, &exprom_vers))
 220                snprintf(info->erom_version, sizeof(info->erom_version),
 221                         "%u.%u.%u.%u",
 222                         FW_HDR_FW_VER_MAJOR_G(exprom_vers),
 223                         FW_HDR_FW_VER_MINOR_G(exprom_vers),
 224                         FW_HDR_FW_VER_MICRO_G(exprom_vers),
 225                         FW_HDR_FW_VER_BUILD_G(exprom_vers));
 226        info->n_priv_flags = ARRAY_SIZE(cxgb4_priv_flags_strings);
 227}
 228
 229static void get_strings(struct net_device *dev, u32 stringset, u8 *data)
 230{
 231        if (stringset == ETH_SS_STATS) {
 232                memcpy(data, stats_strings, sizeof(stats_strings));
 233                data += sizeof(stats_strings);
 234                memcpy(data, adapter_stats_strings,
 235                       sizeof(adapter_stats_strings));
 236                data += sizeof(adapter_stats_strings);
 237                memcpy(data, loopback_stats_strings,
 238                       sizeof(loopback_stats_strings));
 239        } else if (stringset == ETH_SS_PRIV_FLAGS) {
 240                memcpy(data, cxgb4_priv_flags_strings,
 241                       sizeof(cxgb4_priv_flags_strings));
 242        } else if (stringset == ETH_SS_TEST) {
 243                memcpy(data, cxgb4_selftest_strings,
 244                       sizeof(cxgb4_selftest_strings));
 245        }
 246}
 247
 248/* port stats maintained per queue of the port. They should be in the same
 249 * order as in stats_strings above.
 250 */
 251struct queue_port_stats {
 252        u64 tso;
 253        u64 uso;
 254        u64 tx_csum;
 255        u64 rx_csum;
 256        u64 vlan_ex;
 257        u64 vlan_ins;
 258        u64 gro_pkts;
 259        u64 gro_merged;
 260#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
 261        u64 tx_tls_encrypted_packets;
 262        u64 tx_tls_encrypted_bytes;
 263        u64 tx_tls_ctx;
 264        u64 tx_tls_ooo;
 265        u64 tx_tls_skip_no_sync_data;
 266        u64 tx_tls_drop_no_sync_data;
 267        u64 tx_tls_drop_bypass_req;
 268#endif
 269};
 270
 271struct adapter_stats {
 272        u64 db_drop;
 273        u64 db_full;
 274        u64 db_empty;
 275        u64 wc_success;
 276        u64 wc_fail;
 277};
 278
 279static void collect_sge_port_stats(const struct adapter *adap,
 280                                   const struct port_info *p,
 281                                   struct queue_port_stats *s)
 282{
 283        const struct sge_eth_txq *tx = &adap->sge.ethtxq[p->first_qset];
 284        const struct sge_eth_rxq *rx = &adap->sge.ethrxq[p->first_qset];
 285#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
 286        const struct ch_ktls_port_stats_debug *ktls_stats;
 287#endif
 288        struct sge_eohw_txq *eohw_tx;
 289        unsigned int i;
 290
 291        memset(s, 0, sizeof(*s));
 292        for (i = 0; i < p->nqsets; i++, rx++, tx++) {
 293                s->tso += tx->tso;
 294                s->uso += tx->uso;
 295                s->tx_csum += tx->tx_cso;
 296                s->rx_csum += rx->stats.rx_cso;
 297                s->vlan_ex += rx->stats.vlan_ex;
 298                s->vlan_ins += tx->vlan_ins;
 299                s->gro_pkts += rx->stats.lro_pkts;
 300                s->gro_merged += rx->stats.lro_merged;
 301        }
 302
 303        if (adap->sge.eohw_txq) {
 304                eohw_tx = &adap->sge.eohw_txq[p->first_qset];
 305                for (i = 0; i < p->nqsets; i++, eohw_tx++) {
 306                        s->tso += eohw_tx->tso;
 307                        s->uso += eohw_tx->uso;
 308                        s->tx_csum += eohw_tx->tx_cso;
 309                        s->vlan_ins += eohw_tx->vlan_ins;
 310                }
 311        }
 312#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
 313        ktls_stats = &adap->ch_ktls_stats.ktls_port[p->port_id];
 314        s->tx_tls_encrypted_packets =
 315                atomic64_read(&ktls_stats->ktls_tx_encrypted_packets);
 316        s->tx_tls_encrypted_bytes =
 317                atomic64_read(&ktls_stats->ktls_tx_encrypted_bytes);
 318        s->tx_tls_ctx = atomic64_read(&ktls_stats->ktls_tx_ctx);
 319        s->tx_tls_ooo = atomic64_read(&ktls_stats->ktls_tx_ooo);
 320        s->tx_tls_skip_no_sync_data =
 321                atomic64_read(&ktls_stats->ktls_tx_skip_no_sync_data);
 322        s->tx_tls_drop_no_sync_data =
 323                atomic64_read(&ktls_stats->ktls_tx_drop_no_sync_data);
 324        s->tx_tls_drop_bypass_req =
 325                atomic64_read(&ktls_stats->ktls_tx_drop_bypass_req);
 326#endif
 327}
 328
 329static void collect_adapter_stats(struct adapter *adap, struct adapter_stats *s)
 330{
 331        u64 val1, val2;
 332
 333        memset(s, 0, sizeof(*s));
 334
 335        s->db_drop = adap->db_stats.db_drop;
 336        s->db_full = adap->db_stats.db_full;
 337        s->db_empty = adap->db_stats.db_empty;
 338
 339        if (!is_t4(adap->params.chip)) {
 340                int v;
 341
 342                v = t4_read_reg(adap, SGE_STAT_CFG_A);
 343                if (STATSOURCE_T5_G(v) == 7) {
 344                        val2 = t4_read_reg(adap, SGE_STAT_MATCH_A);
 345                        val1 = t4_read_reg(adap, SGE_STAT_TOTAL_A);
 346                        s->wc_success = val1 - val2;
 347                        s->wc_fail = val2;
 348                }
 349        }
 350}
 351
 352static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
 353                      u64 *data)
 354{
 355        struct port_info *pi = netdev_priv(dev);
 356        struct adapter *adapter = pi->adapter;
 357        struct lb_port_stats s;
 358        int i;
 359        u64 *p0;
 360
 361        t4_get_port_stats_offset(adapter, pi->tx_chan,
 362                                 (struct port_stats *)data,
 363                                 &pi->stats_base);
 364
 365        data += sizeof(struct port_stats) / sizeof(u64);
 366        collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data);
 367        data += sizeof(struct queue_port_stats) / sizeof(u64);
 368        collect_adapter_stats(adapter, (struct adapter_stats *)data);
 369        data += sizeof(struct adapter_stats) / sizeof(u64);
 370
 371        *data++ = (u64)pi->port_id;
 372        memset(&s, 0, sizeof(s));
 373        t4_get_lb_stats(adapter, pi->port_id, &s);
 374
 375        p0 = &s.octets;
 376        for (i = 0; i < ARRAY_SIZE(loopback_stats_strings) - 1; i++)
 377                *data++ = (unsigned long long)*p0++;
 378}
 379
 380static void get_regs(struct net_device *dev, struct ethtool_regs *regs,
 381                     void *buf)
 382{
 383        struct adapter *adap = netdev2adap(dev);
 384        size_t buf_size;
 385
 386        buf_size = t4_get_regs_len(adap);
 387        regs->version = mk_adap_vers(adap);
 388        t4_get_regs(adap, buf, buf_size);
 389}
 390
 391static int restart_autoneg(struct net_device *dev)
 392{
 393        struct port_info *p = netdev_priv(dev);
 394
 395        if (!netif_running(dev))
 396                return -EAGAIN;
 397        if (p->link_cfg.autoneg != AUTONEG_ENABLE)
 398                return -EINVAL;
 399        t4_restart_aneg(p->adapter, p->adapter->pf, p->tx_chan);
 400        return 0;
 401}
 402
 403static int identify_port(struct net_device *dev,
 404                         enum ethtool_phys_id_state state)
 405{
 406        unsigned int val;
 407        struct adapter *adap = netdev2adap(dev);
 408
 409        if (state == ETHTOOL_ID_ACTIVE)
 410                val = 0xffff;
 411        else if (state == ETHTOOL_ID_INACTIVE)
 412                val = 0;
 413        else
 414                return -EINVAL;
 415
 416        return t4_identify_port(adap, adap->pf, netdev2pinfo(dev)->viid, val);
 417}
 418
 419/**
 420 *      from_fw_port_mod_type - translate Firmware Port/Module type to Ethtool
 421 *      @port_type: Firmware Port Type
 422 *      @mod_type: Firmware Module Type
 423 *
 424 *      Translate Firmware Port/Module type to Ethtool Port Type.
 425 */
 426static int from_fw_port_mod_type(enum fw_port_type port_type,
 427                                 enum fw_port_module_type mod_type)
 428{
 429        if (port_type == FW_PORT_TYPE_BT_SGMII ||
 430            port_type == FW_PORT_TYPE_BT_XFI ||
 431            port_type == FW_PORT_TYPE_BT_XAUI) {
 432                return PORT_TP;
 433        } else if (port_type == FW_PORT_TYPE_FIBER_XFI ||
 434                   port_type == FW_PORT_TYPE_FIBER_XAUI) {
 435                return PORT_FIBRE;
 436        } else if (port_type == FW_PORT_TYPE_SFP ||
 437                   port_type == FW_PORT_TYPE_QSFP_10G ||
 438                   port_type == FW_PORT_TYPE_QSA ||
 439                   port_type == FW_PORT_TYPE_QSFP ||
 440                   port_type == FW_PORT_TYPE_CR4_QSFP ||
 441                   port_type == FW_PORT_TYPE_CR_QSFP ||
 442                   port_type == FW_PORT_TYPE_CR2_QSFP ||
 443                   port_type == FW_PORT_TYPE_SFP28) {
 444                if (mod_type == FW_PORT_MOD_TYPE_LR ||
 445                    mod_type == FW_PORT_MOD_TYPE_SR ||
 446                    mod_type == FW_PORT_MOD_TYPE_ER ||
 447                    mod_type == FW_PORT_MOD_TYPE_LRM)
 448                        return PORT_FIBRE;
 449                else if (mod_type == FW_PORT_MOD_TYPE_TWINAX_PASSIVE ||
 450                         mod_type == FW_PORT_MOD_TYPE_TWINAX_ACTIVE)
 451                        return PORT_DA;
 452                else
 453                        return PORT_OTHER;
 454        } else if (port_type == FW_PORT_TYPE_KR4_100G ||
 455                   port_type == FW_PORT_TYPE_KR_SFP28 ||
 456                   port_type == FW_PORT_TYPE_KR_XLAUI) {
 457                return PORT_NONE;
 458        }
 459
 460        return PORT_OTHER;
 461}
 462
 463/**
 464 *      speed_to_fw_caps - translate Port Speed to Firmware Port Capabilities
 465 *      @speed: speed in Kb/s
 466 *
 467 *      Translates a specific Port Speed into a Firmware Port Capabilities
 468 *      value.
 469 */
 470static unsigned int speed_to_fw_caps(int speed)
 471{
 472        if (speed == 100)
 473                return FW_PORT_CAP32_SPEED_100M;
 474        if (speed == 1000)
 475                return FW_PORT_CAP32_SPEED_1G;
 476        if (speed == 10000)
 477                return FW_PORT_CAP32_SPEED_10G;
 478        if (speed == 25000)
 479                return FW_PORT_CAP32_SPEED_25G;
 480        if (speed == 40000)
 481                return FW_PORT_CAP32_SPEED_40G;
 482        if (speed == 50000)
 483                return FW_PORT_CAP32_SPEED_50G;
 484        if (speed == 100000)
 485                return FW_PORT_CAP32_SPEED_100G;
 486        if (speed == 200000)
 487                return FW_PORT_CAP32_SPEED_200G;
 488        if (speed == 400000)
 489                return FW_PORT_CAP32_SPEED_400G;
 490        return 0;
 491}
 492
 493/**
 494 *      fw_caps_to_lmm - translate Firmware to ethtool Link Mode Mask
 495 *      @port_type: Firmware Port Type
 496 *      @fw_caps: Firmware Port Capabilities
 497 *      @link_mode_mask: ethtool Link Mode Mask
 498 *
 499 *      Translate a Firmware Port Capabilities specification to an ethtool
 500 *      Link Mode Mask.
 501 */
 502static void fw_caps_to_lmm(enum fw_port_type port_type,
 503                           fw_port_cap32_t fw_caps,
 504                           unsigned long *link_mode_mask)
 505{
 506        #define SET_LMM(__lmm_name) \
 507                do { \
 508                        __set_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \
 509                                  link_mode_mask); \
 510                } while (0)
 511
 512        #define FW_CAPS_TO_LMM(__fw_name, __lmm_name) \
 513                do { \
 514                        if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \
 515                                SET_LMM(__lmm_name); \
 516                } while (0)
 517
 518        switch (port_type) {
 519        case FW_PORT_TYPE_BT_SGMII:
 520        case FW_PORT_TYPE_BT_XFI:
 521        case FW_PORT_TYPE_BT_XAUI:
 522                SET_LMM(TP);
 523                FW_CAPS_TO_LMM(SPEED_100M, 100baseT_Full);
 524                FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
 525                FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
 526                break;
 527
 528        case FW_PORT_TYPE_KX4:
 529        case FW_PORT_TYPE_KX:
 530                SET_LMM(Backplane);
 531                FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
 532                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full);
 533                break;
 534
 535        case FW_PORT_TYPE_KR:
 536                SET_LMM(Backplane);
 537                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
 538                break;
 539
 540        case FW_PORT_TYPE_BP_AP:
 541                SET_LMM(Backplane);
 542                FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
 543                FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC);
 544                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
 545                break;
 546
 547        case FW_PORT_TYPE_BP4_AP:
 548                SET_LMM(Backplane);
 549                FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
 550                FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC);
 551                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
 552                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full);
 553                break;
 554
 555        case FW_PORT_TYPE_FIBER_XFI:
 556        case FW_PORT_TYPE_FIBER_XAUI:
 557        case FW_PORT_TYPE_SFP:
 558        case FW_PORT_TYPE_QSFP_10G:
 559        case FW_PORT_TYPE_QSA:
 560                SET_LMM(FIBRE);
 561                FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
 562                FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
 563                break;
 564
 565        case FW_PORT_TYPE_BP40_BA:
 566        case FW_PORT_TYPE_QSFP:
 567                SET_LMM(FIBRE);
 568                FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
 569                FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
 570                FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full);
 571                break;
 572
 573        case FW_PORT_TYPE_CR_QSFP:
 574        case FW_PORT_TYPE_SFP28:
 575                SET_LMM(FIBRE);
 576                FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
 577                FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
 578                FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full);
 579                break;
 580
 581        case FW_PORT_TYPE_KR_SFP28:
 582                SET_LMM(Backplane);
 583                FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
 584                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
 585                FW_CAPS_TO_LMM(SPEED_25G, 25000baseKR_Full);
 586                break;
 587
 588        case FW_PORT_TYPE_KR_XLAUI:
 589                SET_LMM(Backplane);
 590                FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
 591                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
 592                FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full);
 593                break;
 594
 595        case FW_PORT_TYPE_CR2_QSFP:
 596                SET_LMM(FIBRE);
 597                FW_CAPS_TO_LMM(SPEED_50G, 50000baseSR2_Full);
 598                break;
 599
 600        case FW_PORT_TYPE_KR4_100G:
 601        case FW_PORT_TYPE_CR4_QSFP:
 602                SET_LMM(FIBRE);
 603                FW_CAPS_TO_LMM(SPEED_1G,  1000baseT_Full);
 604                FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
 605                FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full);
 606                FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full);
 607                FW_CAPS_TO_LMM(SPEED_50G, 50000baseCR2_Full);
 608                FW_CAPS_TO_LMM(SPEED_100G, 100000baseCR4_Full);
 609                break;
 610
 611        default:
 612                break;
 613        }
 614
 615        if (fw_caps & FW_PORT_CAP32_FEC_V(FW_PORT_CAP32_FEC_M)) {
 616                FW_CAPS_TO_LMM(FEC_RS, FEC_RS);
 617                FW_CAPS_TO_LMM(FEC_BASER_RS, FEC_BASER);
 618        } else {
 619                SET_LMM(FEC_NONE);
 620        }
 621
 622        FW_CAPS_TO_LMM(ANEG, Autoneg);
 623        FW_CAPS_TO_LMM(802_3_PAUSE, Pause);
 624        FW_CAPS_TO_LMM(802_3_ASM_DIR, Asym_Pause);
 625
 626        #undef FW_CAPS_TO_LMM
 627        #undef SET_LMM
 628}
 629
 630/**
 631 *      lmm_to_fw_caps - translate ethtool Link Mode Mask to Firmware
 632 *      capabilities
 633 *      @link_mode_mask: ethtool Link Mode Mask
 634 *
 635 *      Translate ethtool Link Mode Mask into a Firmware Port capabilities
 636 *      value.
 637 */
 638static unsigned int lmm_to_fw_caps(const unsigned long *link_mode_mask)
 639{
 640        unsigned int fw_caps = 0;
 641
 642        #define LMM_TO_FW_CAPS(__lmm_name, __fw_name) \
 643                do { \
 644                        if (test_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \
 645                                     link_mode_mask)) \
 646                                fw_caps |= FW_PORT_CAP32_ ## __fw_name; \
 647                } while (0)
 648
 649        LMM_TO_FW_CAPS(100baseT_Full, SPEED_100M);
 650        LMM_TO_FW_CAPS(1000baseT_Full, SPEED_1G);
 651        LMM_TO_FW_CAPS(10000baseT_Full, SPEED_10G);
 652        LMM_TO_FW_CAPS(40000baseSR4_Full, SPEED_40G);
 653        LMM_TO_FW_CAPS(25000baseCR_Full, SPEED_25G);
 654        LMM_TO_FW_CAPS(50000baseCR2_Full, SPEED_50G);
 655        LMM_TO_FW_CAPS(100000baseCR4_Full, SPEED_100G);
 656
 657        #undef LMM_TO_FW_CAPS
 658
 659        return fw_caps;
 660}
 661
 662static int get_link_ksettings(struct net_device *dev,
 663                              struct ethtool_link_ksettings *link_ksettings)
 664{
 665        struct port_info *pi = netdev_priv(dev);
 666        struct ethtool_link_settings *base = &link_ksettings->base;
 667
 668        /* For the nonce, the Firmware doesn't send up Port State changes
 669         * when the Virtual Interface attached to the Port is down.  So
 670         * if it's down, let's grab any changes.
 671         */
 672        if (!netif_running(dev))
 673                (void)t4_update_port_info(pi);
 674
 675        ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 676        ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 677        ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising);
 678
 679        base->port = from_fw_port_mod_type(pi->port_type, pi->mod_type);
 680
 681        if (pi->mdio_addr >= 0) {
 682                base->phy_address = pi->mdio_addr;
 683                base->mdio_support = (pi->port_type == FW_PORT_TYPE_BT_SGMII
 684                                      ? ETH_MDIO_SUPPORTS_C22
 685                                      : ETH_MDIO_SUPPORTS_C45);
 686        } else {
 687                base->phy_address = 255;
 688                base->mdio_support = 0;
 689        }
 690
 691        fw_caps_to_lmm(pi->port_type, pi->link_cfg.pcaps,
 692                       link_ksettings->link_modes.supported);
 693        fw_caps_to_lmm(pi->port_type,
 694                       t4_link_acaps(pi->adapter,
 695                                     pi->lport,
 696                                     &pi->link_cfg),
 697                       link_ksettings->link_modes.advertising);
 698        fw_caps_to_lmm(pi->port_type, pi->link_cfg.lpacaps,
 699                       link_ksettings->link_modes.lp_advertising);
 700
 701        base->speed = (netif_carrier_ok(dev)
 702                       ? pi->link_cfg.speed
 703                       : SPEED_UNKNOWN);
 704        base->duplex = DUPLEX_FULL;
 705
 706        base->autoneg = pi->link_cfg.autoneg;
 707        if (pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG)
 708                ethtool_link_ksettings_add_link_mode(link_ksettings,
 709                                                     supported, Autoneg);
 710        if (pi->link_cfg.autoneg)
 711                ethtool_link_ksettings_add_link_mode(link_ksettings,
 712                                                     advertising, Autoneg);
 713
 714        return 0;
 715}
 716
 717static int set_link_ksettings(struct net_device *dev,
 718                            const struct ethtool_link_ksettings *link_ksettings)
 719{
 720        struct port_info *pi = netdev_priv(dev);
 721        struct link_config *lc = &pi->link_cfg;
 722        const struct ethtool_link_settings *base = &link_ksettings->base;
 723        struct link_config old_lc;
 724        unsigned int fw_caps;
 725        int ret = 0;
 726
 727        /* only full-duplex supported */
 728        if (base->duplex != DUPLEX_FULL)
 729                return -EINVAL;
 730
 731        old_lc = *lc;
 732        if (!(lc->pcaps & FW_PORT_CAP32_ANEG) ||
 733            base->autoneg == AUTONEG_DISABLE) {
 734                fw_caps = speed_to_fw_caps(base->speed);
 735
 736                /* Speed must be supported by Physical Port Capabilities. */
 737                if (!(lc->pcaps & fw_caps))
 738                        return -EINVAL;
 739
 740                lc->speed_caps = fw_caps;
 741                lc->acaps = fw_caps;
 742        } else {
 743                fw_caps =
 744                        lmm_to_fw_caps(link_ksettings->link_modes.advertising);
 745                if (!(lc->pcaps & fw_caps))
 746                        return -EINVAL;
 747                lc->speed_caps = 0;
 748                lc->acaps = fw_caps | FW_PORT_CAP32_ANEG;
 749        }
 750        lc->autoneg = base->autoneg;
 751
 752        /* If the firmware rejects the Link Configuration request, back out
 753         * the changes and report the error.
 754         */
 755        ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, pi->tx_chan, lc);
 756        if (ret)
 757                *lc = old_lc;
 758
 759        return ret;
 760}
 761
 762/* Translate the Firmware FEC value into the ethtool value. */
 763static inline unsigned int fwcap_to_eth_fec(unsigned int fw_fec)
 764{
 765        unsigned int eth_fec = 0;
 766
 767        if (fw_fec & FW_PORT_CAP32_FEC_RS)
 768                eth_fec |= ETHTOOL_FEC_RS;
 769        if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS)
 770                eth_fec |= ETHTOOL_FEC_BASER;
 771
 772        /* if nothing is set, then FEC is off */
 773        if (!eth_fec)
 774                eth_fec = ETHTOOL_FEC_OFF;
 775
 776        return eth_fec;
 777}
 778
 779/* Translate Common Code FEC value into ethtool value. */
 780static inline unsigned int cc_to_eth_fec(unsigned int cc_fec)
 781{
 782        unsigned int eth_fec = 0;
 783
 784        if (cc_fec & FEC_AUTO)
 785                eth_fec |= ETHTOOL_FEC_AUTO;
 786        if (cc_fec & FEC_RS)
 787                eth_fec |= ETHTOOL_FEC_RS;
 788        if (cc_fec & FEC_BASER_RS)
 789                eth_fec |= ETHTOOL_FEC_BASER;
 790
 791        /* if nothing is set, then FEC is off */
 792        if (!eth_fec)
 793                eth_fec = ETHTOOL_FEC_OFF;
 794
 795        return eth_fec;
 796}
 797
 798/* Translate ethtool FEC value into Common Code value. */
 799static inline unsigned int eth_to_cc_fec(unsigned int eth_fec)
 800{
 801        unsigned int cc_fec = 0;
 802
 803        if (eth_fec & ETHTOOL_FEC_OFF)
 804                return cc_fec;
 805
 806        if (eth_fec & ETHTOOL_FEC_AUTO)
 807                cc_fec |= FEC_AUTO;
 808        if (eth_fec & ETHTOOL_FEC_RS)
 809                cc_fec |= FEC_RS;
 810        if (eth_fec & ETHTOOL_FEC_BASER)
 811                cc_fec |= FEC_BASER_RS;
 812
 813        return cc_fec;
 814}
 815
 816static int get_fecparam(struct net_device *dev, struct ethtool_fecparam *fec)
 817{
 818        const struct port_info *pi = netdev_priv(dev);
 819        const struct link_config *lc = &pi->link_cfg;
 820
 821        /* Translate the Firmware FEC Support into the ethtool value.  We
 822         * always support IEEE 802.3 "automatic" selection of Link FEC type if
 823         * any FEC is supported.
 824         */
 825        fec->fec = fwcap_to_eth_fec(lc->pcaps);
 826        if (fec->fec != ETHTOOL_FEC_OFF)
 827                fec->fec |= ETHTOOL_FEC_AUTO;
 828
 829        /* Translate the current internal FEC parameters into the
 830         * ethtool values.
 831         */
 832        fec->active_fec = cc_to_eth_fec(lc->fec);
 833
 834        return 0;
 835}
 836
 837static int set_fecparam(struct net_device *dev, struct ethtool_fecparam *fec)
 838{
 839        struct port_info *pi = netdev_priv(dev);
 840        struct link_config *lc = &pi->link_cfg;
 841        struct link_config old_lc;
 842        int ret;
 843
 844        /* Save old Link Configuration in case the L1 Configure below
 845         * fails.
 846         */
 847        old_lc = *lc;
 848
 849        /* Try to perform the L1 Configure and return the result of that
 850         * effort.  If it fails, revert the attempted change.
 851         */
 852        lc->requested_fec = eth_to_cc_fec(fec->fec);
 853        ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox,
 854                            pi->tx_chan, lc);
 855        if (ret)
 856                *lc = old_lc;
 857        return ret;
 858}
 859
 860static void get_pauseparam(struct net_device *dev,
 861                           struct ethtool_pauseparam *epause)
 862{
 863        struct port_info *p = netdev_priv(dev);
 864
 865        epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0;
 866        epause->rx_pause = (p->link_cfg.advertised_fc & PAUSE_RX) != 0;
 867        epause->tx_pause = (p->link_cfg.advertised_fc & PAUSE_TX) != 0;
 868}
 869
 870static int set_pauseparam(struct net_device *dev,
 871                          struct ethtool_pauseparam *epause)
 872{
 873        struct port_info *p = netdev_priv(dev);
 874        struct link_config *lc = &p->link_cfg;
 875
 876        if (epause->autoneg == AUTONEG_DISABLE)
 877                lc->requested_fc = 0;
 878        else if (lc->pcaps & FW_PORT_CAP32_ANEG)
 879                lc->requested_fc = PAUSE_AUTONEG;
 880        else
 881                return -EINVAL;
 882
 883        if (epause->rx_pause)
 884                lc->requested_fc |= PAUSE_RX;
 885        if (epause->tx_pause)
 886                lc->requested_fc |= PAUSE_TX;
 887        if (netif_running(dev))
 888                return t4_link_l1cfg(p->adapter, p->adapter->mbox, p->tx_chan,
 889                                     lc);
 890        return 0;
 891}
 892
 893static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e,
 894                          struct kernel_ethtool_ringparam *kernel_e,
 895                          struct netlink_ext_ack *extack)
 896{
 897        const struct port_info *pi = netdev_priv(dev);
 898        const struct sge *s = &pi->adapter->sge;
 899
 900        e->rx_max_pending = MAX_RX_BUFFERS;
 901        e->rx_mini_max_pending = MAX_RSPQ_ENTRIES;
 902        e->rx_jumbo_max_pending = 0;
 903        e->tx_max_pending = MAX_TXQ_ENTRIES;
 904
 905        e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8;
 906        e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size;
 907        e->rx_jumbo_pending = 0;
 908        e->tx_pending = s->ethtxq[pi->first_qset].q.size;
 909}
 910
 911static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e,
 912                         struct kernel_ethtool_ringparam *kernel_e,
 913                         struct netlink_ext_ack *extack)
 914{
 915        int i;
 916        const struct port_info *pi = netdev_priv(dev);
 917        struct adapter *adapter = pi->adapter;
 918        struct sge *s = &adapter->sge;
 919
 920        if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending ||
 921            e->tx_pending > MAX_TXQ_ENTRIES ||
 922            e->rx_mini_pending > MAX_RSPQ_ENTRIES ||
 923            e->rx_mini_pending < MIN_RSPQ_ENTRIES ||
 924            e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES)
 925                return -EINVAL;
 926
 927        if (adapter->flags & CXGB4_FULL_INIT_DONE)
 928                return -EBUSY;
 929
 930        for (i = 0; i < pi->nqsets; ++i) {
 931                s->ethtxq[pi->first_qset + i].q.size = e->tx_pending;
 932                s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8;
 933                s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending;
 934        }
 935        return 0;
 936}
 937
 938/**
 939 * set_rx_intr_params - set a net devices's RX interrupt holdoff paramete!
 940 * @dev: the network device
 941 * @us: the hold-off time in us, or 0 to disable timer
 942 * @cnt: the hold-off packet count, or 0 to disable counter
 943 *
 944 * Set the RX interrupt hold-off parameters for a network device.
 945 */
 946static int set_rx_intr_params(struct net_device *dev,
 947                              unsigned int us, unsigned int cnt)
 948{
 949        int i, err;
 950        struct port_info *pi = netdev_priv(dev);
 951        struct adapter *adap = pi->adapter;
 952        struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
 953
 954        for (i = 0; i < pi->nqsets; i++, q++) {
 955                err = cxgb4_set_rspq_intr_params(&q->rspq, us, cnt);
 956                if (err)
 957                        return err;
 958        }
 959        return 0;
 960}
 961
 962static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx)
 963{
 964        int i;
 965        struct port_info *pi = netdev_priv(dev);
 966        struct adapter *adap = pi->adapter;
 967        struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
 968
 969        for (i = 0; i < pi->nqsets; i++, q++)
 970                q->rspq.adaptive_rx = adaptive_rx;
 971
 972        return 0;
 973}
 974
 975static int get_adaptive_rx_setting(struct net_device *dev)
 976{
 977        struct port_info *pi = netdev_priv(dev);
 978        struct adapter *adap = pi->adapter;
 979        struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
 980
 981        return q->rspq.adaptive_rx;
 982}
 983
 984/* Return the current global Adapter SGE Doorbell Queue Timer Tick for all
 985 * Ethernet TX Queues.
 986 */
 987static int get_dbqtimer_tick(struct net_device *dev)
 988{
 989        struct port_info *pi = netdev_priv(dev);
 990        struct adapter *adap = pi->adapter;
 991
 992        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
 993                return 0;
 994
 995        return adap->sge.dbqtimer_tick;
 996}
 997
 998/* Return the SGE Doorbell Queue Timer Value for the Ethernet TX Queues
 999 * associated with a Network Device.
1000 */
1001static int get_dbqtimer(struct net_device *dev)
1002{
1003        struct port_info *pi = netdev_priv(dev);
1004        struct adapter *adap = pi->adapter;
1005        struct sge_eth_txq *txq;
1006
1007        txq = &adap->sge.ethtxq[pi->first_qset];
1008
1009        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
1010                return 0;
1011
1012        /* all of the TX Queues use the same Timer Index */
1013        return adap->sge.dbqtimer_val[txq->dbqtimerix];
1014}
1015
1016/* Set the global Adapter SGE Doorbell Queue Timer Tick for all Ethernet TX
1017 * Queues.  This is the fundamental "Tick" that sets the scale of values which
1018 * can be used.  Individual Ethernet TX Queues index into a relatively small
1019 * array of Tick Multipliers.  Changing the base Tick will thus change all of
1020 * the resulting Timer Values associated with those multipliers for all
1021 * Ethernet TX Queues.
1022 */
1023static int set_dbqtimer_tick(struct net_device *dev, int usecs)
1024{
1025        struct port_info *pi = netdev_priv(dev);
1026        struct adapter *adap = pi->adapter;
1027        struct sge *s = &adap->sge;
1028        u32 param, val;
1029        int ret;
1030
1031        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
1032                return 0;
1033
1034        /* return early if it's the same Timer Tick we're already using */
1035        if (s->dbqtimer_tick == usecs)
1036                return 0;
1037
1038        /* attempt to set the new Timer Tick value */
1039        param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1040                 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DBQ_TIMERTICK));
1041        val = usecs;
1042        ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
1043        if (ret)
1044                return ret;
1045        s->dbqtimer_tick = usecs;
1046
1047        /* if successful, reread resulting dependent Timer values */
1048        ret = t4_read_sge_dbqtimers(adap, ARRAY_SIZE(s->dbqtimer_val),
1049                                    s->dbqtimer_val);
1050        return ret;
1051}
1052
1053/* Set the SGE Doorbell Queue Timer Value for the Ethernet TX Queues
1054 * associated with a Network Device.  There is a relatively small array of
1055 * possible Timer Values so we need to pick the closest value available.
1056 */
1057static int set_dbqtimer(struct net_device *dev, int usecs)
1058{
1059        int qix, timerix, min_timerix, delta, min_delta;
1060        struct port_info *pi = netdev_priv(dev);
1061        struct adapter *adap = pi->adapter;
1062        struct sge *s = &adap->sge;
1063        struct sge_eth_txq *txq;
1064        u32 param, val;
1065        int ret;
1066
1067        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
1068                return 0;
1069
1070        /* Find the SGE Doorbell Timer Value that's closest to the requested
1071         * value.
1072         */
1073        min_delta = INT_MAX;
1074        min_timerix = 0;
1075        for (timerix = 0; timerix < ARRAY_SIZE(s->dbqtimer_val); timerix++) {
1076                delta = s->dbqtimer_val[timerix] - usecs;
1077                if (delta < 0)
1078                        delta = -delta;
1079                if (delta < min_delta) {
1080                        min_delta = delta;
1081                        min_timerix = timerix;
1082                }
1083        }
1084
1085        /* Return early if it's the same Timer Index we're already using.
1086         * We use the same Timer Index for all of the TX Queues for an
1087         * interface so it's only necessary to check the first one.
1088         */
1089        txq = &s->ethtxq[pi->first_qset];
1090        if (txq->dbqtimerix == min_timerix)
1091                return 0;
1092
1093        for (qix = 0; qix < pi->nqsets; qix++, txq++) {
1094                if (adap->flags & CXGB4_FULL_INIT_DONE) {
1095                        param =
1096                         (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DMAQ) |
1097                          FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DMAQ_EQ_TIMERIX) |
1098                          FW_PARAMS_PARAM_YZ_V(txq->q.cntxt_id));
1099                        val = min_timerix;
1100                        ret = t4_set_params(adap, adap->mbox, adap->pf, 0,
1101                                            1, &param, &val);
1102                        if (ret)
1103                                return ret;
1104                }
1105                txq->dbqtimerix = min_timerix;
1106        }
1107        return 0;
1108}
1109
1110/* Set the global Adapter SGE Doorbell Queue Timer Tick for all Ethernet TX
1111 * Queues and the Timer Value for the Ethernet TX Queues associated with a
1112 * Network Device.  Since changing the global Tick changes all of the
1113 * available Timer Values, we need to do this first before selecting the
1114 * resulting closest Timer Value.  Moreover, since the Tick is global,
1115 * changing it affects the Timer Values for all Network Devices on the
1116 * adapter.  So, before changing the Tick, we grab all of the current Timer
1117 * Values for other Network Devices on this Adapter and then attempt to select
1118 * new Timer Values which are close to the old values ...
1119 */
1120static int set_dbqtimer_tickval(struct net_device *dev,
1121                                int tick_usecs, int timer_usecs)
1122{
1123        struct port_info *pi = netdev_priv(dev);
1124        struct adapter *adap = pi->adapter;
1125        int timer[MAX_NPORTS];
1126        unsigned int port;
1127        int ret;
1128
1129        /* Grab the other adapter Network Interface current timers and fill in
1130         * the new one for this Network Interface.
1131         */
1132        for_each_port(adap, port)
1133                if (port == pi->port_id)
1134                        timer[port] = timer_usecs;
1135                else
1136                        timer[port] = get_dbqtimer(adap->port[port]);
1137
1138        /* Change the global Tick first ... */
1139        ret = set_dbqtimer_tick(dev, tick_usecs);
1140        if (ret)
1141                return ret;
1142
1143        /* ... and then set all of the Network Interface Timer Values ... */
1144        for_each_port(adap, port) {
1145                ret = set_dbqtimer(adap->port[port], timer[port]);
1146                if (ret)
1147                        return ret;
1148        }
1149
1150        return 0;
1151}
1152
1153static int set_coalesce(struct net_device *dev,
1154                        struct ethtool_coalesce *coalesce,
1155                        struct kernel_ethtool_coalesce *kernel_coal,
1156                        struct netlink_ext_ack *extack)
1157{
1158        int ret;
1159
1160        set_adaptive_rx_setting(dev, coalesce->use_adaptive_rx_coalesce);
1161
1162        ret = set_rx_intr_params(dev, coalesce->rx_coalesce_usecs,
1163                                 coalesce->rx_max_coalesced_frames);
1164        if (ret)
1165                return ret;
1166
1167        return set_dbqtimer_tickval(dev,
1168                                    coalesce->tx_coalesce_usecs_irq,
1169                                    coalesce->tx_coalesce_usecs);
1170}
1171
1172static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c,
1173                        struct kernel_ethtool_coalesce *kernel_coal,
1174                        struct netlink_ext_ack *extack)
1175{
1176        const struct port_info *pi = netdev_priv(dev);
1177        const struct adapter *adap = pi->adapter;
1178        const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq;
1179
1180        c->rx_coalesce_usecs = qtimer_val(adap, rq);
1181        c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN_F) ?
1182                adap->sge.counter_val[rq->pktcnt_idx] : 0;
1183        c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev);
1184        c->tx_coalesce_usecs_irq = get_dbqtimer_tick(dev);
1185        c->tx_coalesce_usecs = get_dbqtimer(dev);
1186        return 0;
1187}
1188
1189/* The next two routines implement eeprom read/write from physical addresses.
1190 */
1191static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
1192{
1193        int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1194
1195        if (vaddr >= 0)
1196                vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v);
1197        return vaddr < 0 ? vaddr : 0;
1198}
1199
1200static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
1201{
1202        int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1203
1204        if (vaddr >= 0)
1205                vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v);
1206        return vaddr < 0 ? vaddr : 0;
1207}
1208
1209#define EEPROM_MAGIC 0x38E2F10C
1210
1211static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
1212                      u8 *data)
1213{
1214        int i, err = 0;
1215        struct adapter *adapter = netdev2adap(dev);
1216        u8 *buf = kvzalloc(EEPROMSIZE, GFP_KERNEL);
1217
1218        if (!buf)
1219                return -ENOMEM;
1220
1221        e->magic = EEPROM_MAGIC;
1222        for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4)
1223                err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
1224
1225        if (!err)
1226                memcpy(data, buf + e->offset, e->len);
1227        kvfree(buf);
1228        return err;
1229}
1230
1231static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
1232                      u8 *data)
1233{
1234        u8 *buf;
1235        int err = 0;
1236        u32 aligned_offset, aligned_len, *p;
1237        struct adapter *adapter = netdev2adap(dev);
1238
1239        if (eeprom->magic != EEPROM_MAGIC)
1240                return -EINVAL;
1241
1242        aligned_offset = eeprom->offset & ~3;
1243        aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3;
1244
1245        if (adapter->pf > 0) {
1246                u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1247
1248                if (aligned_offset < start ||
1249                    aligned_offset + aligned_len > start + EEPROMPFSIZE)
1250                        return -EPERM;
1251        }
1252
1253        if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) {
1254                /* RMW possibly needed for first or last words.
1255                 */
1256                buf = kvzalloc(aligned_len, GFP_KERNEL);
1257                if (!buf)
1258                        return -ENOMEM;
1259                err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1260                if (!err && aligned_len > 4)
1261                        err = eeprom_rd_phys(adapter,
1262                                             aligned_offset + aligned_len - 4,
1263                                             (u32 *)&buf[aligned_len - 4]);
1264                if (err)
1265                        goto out;
1266                memcpy(buf + (eeprom->offset & 3), data, eeprom->len);
1267        } else {
1268                buf = data;
1269        }
1270
1271        err = t4_seeprom_wp(adapter, false);
1272        if (err)
1273                goto out;
1274
1275        for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1276                err = eeprom_wr_phys(adapter, aligned_offset, *p);
1277                aligned_offset += 4;
1278        }
1279
1280        if (!err)
1281                err = t4_seeprom_wp(adapter, true);
1282out:
1283        if (buf != data)
1284                kvfree(buf);
1285        return err;
1286}
1287
1288static int cxgb4_ethtool_flash_bootcfg(struct net_device *netdev,
1289                                       const u8 *data, u32 size)
1290{
1291        struct adapter *adap = netdev2adap(netdev);
1292        int ret;
1293
1294        ret = t4_load_bootcfg(adap, data, size);
1295        if (ret)
1296                dev_err(adap->pdev_dev, "Failed to load boot cfg image\n");
1297
1298        return ret;
1299}
1300
1301static int cxgb4_ethtool_flash_boot(struct net_device *netdev,
1302                                    const u8 *bdata, u32 size)
1303{
1304        struct adapter *adap = netdev2adap(netdev);
1305        unsigned int offset;
1306        u8 *data;
1307        int ret;
1308
1309        data = kmemdup(bdata, size, GFP_KERNEL);
1310        if (!data)
1311                return -ENOMEM;
1312
1313        offset = OFFSET_G(t4_read_reg(adap, PF_REG(0, PCIE_PF_EXPROM_OFST_A)));
1314
1315        ret = t4_load_boot(adap, data, offset, size);
1316        if (ret)
1317                dev_err(adap->pdev_dev, "Failed to load boot image\n");
1318
1319        kfree(data);
1320        return ret;
1321}
1322
1323#define CXGB4_PHY_SIG 0x130000ea
1324
1325static int cxgb4_validate_phy_image(const u8 *data, u32 *size)
1326{
1327        struct cxgb4_fw_data *header;
1328
1329        header = (struct cxgb4_fw_data *)data;
1330        if (be32_to_cpu(header->signature) != CXGB4_PHY_SIG)
1331                return -EINVAL;
1332
1333        return 0;
1334}
1335
1336static int cxgb4_ethtool_flash_phy(struct net_device *netdev,
1337                                   const u8 *data, u32 size)
1338{
1339        struct adapter *adap = netdev2adap(netdev);
1340        int ret;
1341
1342        ret = cxgb4_validate_phy_image(data, NULL);
1343        if (ret) {
1344                dev_err(adap->pdev_dev, "PHY signature mismatch\n");
1345                return ret;
1346        }
1347
1348        /* We have to RESET the chip/firmware because we need the
1349         * chip in uninitialized state for loading new PHY image.
1350         * Otherwise, the running firmware will only store the PHY
1351         * image in local RAM which will be lost after next reset.
1352         */
1353        ret = t4_fw_reset(adap, adap->mbox, PIORSTMODE_F | PIORST_F);
1354        if (ret < 0) {
1355                dev_err(adap->pdev_dev,
1356                        "Set FW to RESET for flashing PHY FW failed. ret: %d\n",
1357                        ret);
1358                return ret;
1359        }
1360
1361        ret = t4_load_phy_fw(adap, MEMWIN_NIC, NULL, data, size);
1362        if (ret < 0) {
1363                dev_err(adap->pdev_dev, "Failed to load PHY FW. ret: %d\n",
1364                        ret);
1365                return ret;
1366        }
1367
1368        return 0;
1369}
1370
1371static int cxgb4_ethtool_flash_fw(struct net_device *netdev,
1372                                  const u8 *data, u32 size)
1373{
1374        struct adapter *adap = netdev2adap(netdev);
1375        unsigned int mbox = PCIE_FW_MASTER_M + 1;
1376        int ret;
1377
1378        /* If the adapter has been fully initialized then we'll go ahead and
1379         * try to get the firmware's cooperation in upgrading to the new
1380         * firmware image otherwise we'll try to do the entire job from the
1381         * host ... and we always "force" the operation in this path.
1382         */
1383        if (adap->flags & CXGB4_FULL_INIT_DONE)
1384                mbox = adap->mbox;
1385
1386        ret = t4_fw_upgrade(adap, mbox, data, size, 1);
1387        if (ret)
1388                dev_err(adap->pdev_dev,
1389                        "Failed to flash firmware\n");
1390
1391        return ret;
1392}
1393
1394static int cxgb4_ethtool_flash_region(struct net_device *netdev,
1395                                      const u8 *data, u32 size, u32 region)
1396{
1397        struct adapter *adap = netdev2adap(netdev);
1398        int ret;
1399
1400        switch (region) {
1401        case CXGB4_ETHTOOL_FLASH_FW:
1402                ret = cxgb4_ethtool_flash_fw(netdev, data, size);
1403                break;
1404        case CXGB4_ETHTOOL_FLASH_PHY:
1405                ret = cxgb4_ethtool_flash_phy(netdev, data, size);
1406                break;
1407        case CXGB4_ETHTOOL_FLASH_BOOT:
1408                ret = cxgb4_ethtool_flash_boot(netdev, data, size);
1409                break;
1410        case CXGB4_ETHTOOL_FLASH_BOOTCFG:
1411                ret = cxgb4_ethtool_flash_bootcfg(netdev, data, size);
1412                break;
1413        default:
1414                ret = -EOPNOTSUPP;
1415                break;
1416        }
1417
1418        if (!ret)
1419                dev_info(adap->pdev_dev,
1420                         "loading %s successful, reload cxgb4 driver\n",
1421                         flash_region_strings[region]);
1422        return ret;
1423}
1424
1425#define CXGB4_FW_SIG 0x4368656c
1426#define CXGB4_FW_SIG_OFFSET 0x160
1427
1428static int cxgb4_validate_fw_image(const u8 *data, u32 *size)
1429{
1430        struct cxgb4_fw_data *header;
1431
1432        header = (struct cxgb4_fw_data *)&data[CXGB4_FW_SIG_OFFSET];
1433        if (be32_to_cpu(header->signature) != CXGB4_FW_SIG)
1434                return -EINVAL;
1435
1436        if (size)
1437                *size = be16_to_cpu(((struct fw_hdr *)data)->len512) * 512;
1438
1439        return 0;
1440}
1441
1442static int cxgb4_validate_bootcfg_image(const u8 *data, u32 *size)
1443{
1444        struct cxgb4_bootcfg_data *header;
1445
1446        header = (struct cxgb4_bootcfg_data *)data;
1447        if (le16_to_cpu(header->signature) != BOOT_CFG_SIG)
1448                return -EINVAL;
1449
1450        return 0;
1451}
1452
1453static int cxgb4_validate_boot_image(const u8 *data, u32 *size)
1454{
1455        struct cxgb4_pci_exp_rom_header *exp_header;
1456        struct cxgb4_pcir_data *pcir_header;
1457        struct legacy_pci_rom_hdr *header;
1458        const u8 *cur_header = data;
1459        u16 pcir_offset;
1460
1461        exp_header = (struct cxgb4_pci_exp_rom_header *)data;
1462
1463        if (le16_to_cpu(exp_header->signature) != BOOT_SIGNATURE)
1464                return -EINVAL;
1465
1466        if (size) {
1467                do {
1468                        header = (struct legacy_pci_rom_hdr *)cur_header;
1469                        pcir_offset = le16_to_cpu(header->pcir_offset);
1470                        pcir_header = (struct cxgb4_pcir_data *)(cur_header +
1471                                      pcir_offset);
1472
1473                        *size += header->size512 * 512;
1474                        cur_header += header->size512 * 512;
1475                } while (!(pcir_header->indicator & CXGB4_HDR_INDI));
1476        }
1477
1478        return 0;
1479}
1480
1481static int cxgb4_ethtool_get_flash_region(const u8 *data, u32 *size)
1482{
1483        if (!cxgb4_validate_fw_image(data, size))
1484                return CXGB4_ETHTOOL_FLASH_FW;
1485        if (!cxgb4_validate_boot_image(data, size))
1486                return CXGB4_ETHTOOL_FLASH_BOOT;
1487        if (!cxgb4_validate_phy_image(data, size))
1488                return CXGB4_ETHTOOL_FLASH_PHY;
1489        if (!cxgb4_validate_bootcfg_image(data, size))
1490                return CXGB4_ETHTOOL_FLASH_BOOTCFG;
1491
1492        return -EOPNOTSUPP;
1493}
1494
1495static int set_flash(struct net_device *netdev, struct ethtool_flash *ef)
1496{
1497        struct adapter *adap = netdev2adap(netdev);
1498        const struct firmware *fw;
1499        unsigned int master;
1500        u8 master_vld = 0;
1501        const u8 *fw_data;
1502        size_t fw_size;
1503        u32 size = 0;
1504        u32 pcie_fw;
1505        int region;
1506        int ret;
1507
1508        pcie_fw = t4_read_reg(adap, PCIE_FW_A);
1509        master = PCIE_FW_MASTER_G(pcie_fw);
1510        if (pcie_fw & PCIE_FW_MASTER_VLD_F)
1511                master_vld = 1;
1512        /* if csiostor is the master return */
1513        if (master_vld && (master != adap->pf)) {
1514                dev_warn(adap->pdev_dev,
1515                         "cxgb4 driver needs to be loaded as MASTER to support FW flash\n");
1516                return -EOPNOTSUPP;
1517        }
1518
1519        ef->data[sizeof(ef->data) - 1] = '\0';
1520        ret = request_firmware(&fw, ef->data, adap->pdev_dev);
1521        if (ret < 0)
1522                return ret;
1523
1524        fw_data = fw->data;
1525        fw_size = fw->size;
1526        if (ef->region == ETHTOOL_FLASH_ALL_REGIONS) {
1527                while (fw_size > 0) {
1528                        size = 0;
1529                        region = cxgb4_ethtool_get_flash_region(fw_data, &size);
1530                        if (region < 0 || !size) {
1531                                ret = region;
1532                                goto out_free_fw;
1533                        }
1534
1535                        ret = cxgb4_ethtool_flash_region(netdev, fw_data, size,
1536                                                         region);
1537                        if (ret)
1538                                goto out_free_fw;
1539
1540                        fw_data += size;
1541                        fw_size -= size;
1542                }
1543        } else {
1544                ret = cxgb4_ethtool_flash_region(netdev, fw_data, fw_size,
1545                                                 ef->region);
1546        }
1547
1548out_free_fw:
1549        release_firmware(fw);
1550        return ret;
1551}
1552
1553static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info)
1554{
1555        struct port_info *pi = netdev_priv(dev);
1556        struct  adapter *adapter = pi->adapter;
1557
1558        ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1559                                   SOF_TIMESTAMPING_RX_SOFTWARE |
1560                                   SOF_TIMESTAMPING_SOFTWARE;
1561
1562        ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE |
1563                                    SOF_TIMESTAMPING_TX_HARDWARE |
1564                                    SOF_TIMESTAMPING_RAW_HARDWARE;
1565
1566        ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) |
1567                            (1 << HWTSTAMP_TX_ON);
1568
1569        ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1570                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1571                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1572                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1573                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1574                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1575
1576        if (adapter->ptp_clock)
1577                ts_info->phc_index = ptp_clock_index(adapter->ptp_clock);
1578        else
1579                ts_info->phc_index = -1;
1580
1581        return 0;
1582}
1583
1584static u32 get_rss_table_size(struct net_device *dev)
1585{
1586        const struct port_info *pi = netdev_priv(dev);
1587
1588        return pi->rss_size;
1589}
1590
1591static int get_rss_table(struct net_device *dev, u32 *p, u8 *key, u8 *hfunc)
1592{
1593        const struct port_info *pi = netdev_priv(dev);
1594        unsigned int n = pi->rss_size;
1595
1596        if (hfunc)
1597                *hfunc = ETH_RSS_HASH_TOP;
1598        if (!p)
1599                return 0;
1600        while (n--)
1601                p[n] = pi->rss[n];
1602        return 0;
1603}
1604
1605static int set_rss_table(struct net_device *dev, const u32 *p, const u8 *key,
1606                         const u8 hfunc)
1607{
1608        unsigned int i;
1609        struct port_info *pi = netdev_priv(dev);
1610
1611        /* We require at least one supported parameter to be changed and no
1612         * change in any of the unsupported parameters
1613         */
1614        if (key ||
1615            (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
1616                return -EOPNOTSUPP;
1617        if (!p)
1618                return 0;
1619
1620        /* Interface must be brought up atleast once */
1621        if (pi->adapter->flags & CXGB4_FULL_INIT_DONE) {
1622                for (i = 0; i < pi->rss_size; i++)
1623                        pi->rss[i] = p[i];
1624
1625                return cxgb4_write_rss(pi, pi->rss);
1626        }
1627
1628        return -EPERM;
1629}
1630
1631static struct filter_entry *cxgb4_get_filter_entry(struct adapter *adap,
1632                                                   u32 ftid)
1633{
1634        struct tid_info *t = &adap->tids;
1635
1636        if (ftid >= t->hpftid_base && ftid < t->hpftid_base + t->nhpftids)
1637                return &t->hpftid_tab[ftid - t->hpftid_base];
1638
1639        if (ftid >= t->ftid_base && ftid < t->ftid_base + t->nftids)
1640                return &t->ftid_tab[ftid - t->ftid_base];
1641
1642        return lookup_tid(t, ftid);
1643}
1644
1645static void cxgb4_fill_filter_rule(struct ethtool_rx_flow_spec *fs,
1646                                   struct ch_filter_specification *dfs)
1647{
1648        switch (dfs->val.proto) {
1649        case IPPROTO_TCP:
1650                if (dfs->type)
1651                        fs->flow_type = TCP_V6_FLOW;
1652                else
1653                        fs->flow_type = TCP_V4_FLOW;
1654                break;
1655        case IPPROTO_UDP:
1656                if (dfs->type)
1657                        fs->flow_type = UDP_V6_FLOW;
1658                else
1659                        fs->flow_type = UDP_V4_FLOW;
1660                break;
1661        }
1662
1663        if (dfs->type) {
1664                fs->h_u.tcp_ip6_spec.psrc = cpu_to_be16(dfs->val.fport);
1665                fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(dfs->mask.fport);
1666                fs->h_u.tcp_ip6_spec.pdst = cpu_to_be16(dfs->val.lport);
1667                fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(dfs->mask.lport);
1668                memcpy(&fs->h_u.tcp_ip6_spec.ip6src, &dfs->val.fip[0],
1669                       sizeof(fs->h_u.tcp_ip6_spec.ip6src));
1670                memcpy(&fs->m_u.tcp_ip6_spec.ip6src, &dfs->mask.fip[0],
1671                       sizeof(fs->m_u.tcp_ip6_spec.ip6src));
1672                memcpy(&fs->h_u.tcp_ip6_spec.ip6dst, &dfs->val.lip[0],
1673                       sizeof(fs->h_u.tcp_ip6_spec.ip6dst));
1674                memcpy(&fs->m_u.tcp_ip6_spec.ip6dst, &dfs->mask.lip[0],
1675                       sizeof(fs->m_u.tcp_ip6_spec.ip6dst));
1676                fs->h_u.tcp_ip6_spec.tclass = dfs->val.tos;
1677                fs->m_u.tcp_ip6_spec.tclass = dfs->mask.tos;
1678        } else {
1679                fs->h_u.tcp_ip4_spec.psrc = cpu_to_be16(dfs->val.fport);
1680                fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(dfs->mask.fport);
1681                fs->h_u.tcp_ip4_spec.pdst = cpu_to_be16(dfs->val.lport);
1682                fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(dfs->mask.lport);
1683                memcpy(&fs->h_u.tcp_ip4_spec.ip4src, &dfs->val.fip[0],
1684                       sizeof(fs->h_u.tcp_ip4_spec.ip4src));
1685                memcpy(&fs->m_u.tcp_ip4_spec.ip4src, &dfs->mask.fip[0],
1686                       sizeof(fs->m_u.tcp_ip4_spec.ip4src));
1687                memcpy(&fs->h_u.tcp_ip4_spec.ip4dst, &dfs->val.lip[0],
1688                       sizeof(fs->h_u.tcp_ip4_spec.ip4dst));
1689                memcpy(&fs->m_u.tcp_ip4_spec.ip4dst, &dfs->mask.lip[0],
1690                       sizeof(fs->m_u.tcp_ip4_spec.ip4dst));
1691                fs->h_u.tcp_ip4_spec.tos = dfs->val.tos;
1692                fs->m_u.tcp_ip4_spec.tos = dfs->mask.tos;
1693        }
1694        fs->h_ext.vlan_tci = cpu_to_be16(dfs->val.ivlan);
1695        fs->m_ext.vlan_tci = cpu_to_be16(dfs->mask.ivlan);
1696        fs->flow_type |= FLOW_EXT;
1697
1698        if (dfs->action == FILTER_DROP)
1699                fs->ring_cookie = RX_CLS_FLOW_DISC;
1700        else
1701                fs->ring_cookie = dfs->iq;
1702}
1703
1704static int cxgb4_ntuple_get_filter(struct net_device *dev,
1705                                   struct ethtool_rxnfc *cmd,
1706                                   unsigned int loc)
1707{
1708        const struct port_info *pi = netdev_priv(dev);
1709        struct adapter *adap = netdev2adap(dev);
1710        struct filter_entry *f;
1711        int ftid;
1712
1713        if (!(adap->flags & CXGB4_FULL_INIT_DONE))
1714                return -EAGAIN;
1715
1716        /* Check for maximum filter range */
1717        if (!adap->ethtool_filters)
1718                return -EOPNOTSUPP;
1719
1720        if (loc >= adap->ethtool_filters->nentries)
1721                return -ERANGE;
1722
1723        if (!test_bit(loc, adap->ethtool_filters->port[pi->port_id].bmap))
1724                return -ENOENT;
1725
1726        ftid = adap->ethtool_filters->port[pi->port_id].loc_array[loc];
1727
1728        /* Fetch filter_entry */
1729        f = cxgb4_get_filter_entry(adap, ftid);
1730
1731        cxgb4_fill_filter_rule(&cmd->fs, &f->fs);
1732
1733        return 0;
1734}
1735
1736static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
1737                     u32 *rules)
1738{
1739        const struct port_info *pi = netdev_priv(dev);
1740        struct adapter *adap = netdev2adap(dev);
1741        unsigned int count = 0, index = 0;
1742        int ret = 0;
1743
1744        switch (info->cmd) {
1745        case ETHTOOL_GRXFH: {
1746                unsigned int v = pi->rss_mode;
1747
1748                info->data = 0;
1749                switch (info->flow_type) {
1750                case TCP_V4_FLOW:
1751                        if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F)
1752                                info->data = RXH_IP_SRC | RXH_IP_DST |
1753                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1754                        else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1755                                info->data = RXH_IP_SRC | RXH_IP_DST;
1756                        break;
1757                case UDP_V4_FLOW:
1758                        if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) &&
1759                            (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F))
1760                                info->data = RXH_IP_SRC | RXH_IP_DST |
1761                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1762                        else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1763                                info->data = RXH_IP_SRC | RXH_IP_DST;
1764                        break;
1765                case SCTP_V4_FLOW:
1766                case AH_ESP_V4_FLOW:
1767                case IPV4_FLOW:
1768                        if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1769                                info->data = RXH_IP_SRC | RXH_IP_DST;
1770                        break;
1771                case TCP_V6_FLOW:
1772                        if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F)
1773                                info->data = RXH_IP_SRC | RXH_IP_DST |
1774                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1775                        else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1776                                info->data = RXH_IP_SRC | RXH_IP_DST;
1777                        break;
1778                case UDP_V6_FLOW:
1779                        if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) &&
1780                            (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F))
1781                                info->data = RXH_IP_SRC | RXH_IP_DST |
1782                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1783                        else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1784                                info->data = RXH_IP_SRC | RXH_IP_DST;
1785                        break;
1786                case SCTP_V6_FLOW:
1787                case AH_ESP_V6_FLOW:
1788                case IPV6_FLOW:
1789                        if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1790                                info->data = RXH_IP_SRC | RXH_IP_DST;
1791                        break;
1792                }
1793                return 0;
1794        }
1795        case ETHTOOL_GRXRINGS:
1796                info->data = pi->nqsets;
1797                return 0;
1798        case ETHTOOL_GRXCLSRLCNT:
1799                info->rule_cnt =
1800                       adap->ethtool_filters->port[pi->port_id].in_use;
1801                return 0;
1802        case ETHTOOL_GRXCLSRULE:
1803                return cxgb4_ntuple_get_filter(dev, info, info->fs.location);
1804        case ETHTOOL_GRXCLSRLALL:
1805                info->data = adap->ethtool_filters->nentries;
1806                while (count < info->rule_cnt) {
1807                        ret = cxgb4_ntuple_get_filter(dev, info, index);
1808                        if (!ret)
1809                                rules[count++] = index;
1810                        index++;
1811                }
1812                return 0;
1813        }
1814
1815        return -EOPNOTSUPP;
1816}
1817
1818static int cxgb4_ntuple_del_filter(struct net_device *dev,
1819                                   struct ethtool_rxnfc *cmd)
1820{
1821        struct cxgb4_ethtool_filter_info *filter_info;
1822        struct adapter *adapter = netdev2adap(dev);
1823        struct port_info *pi = netdev_priv(dev);
1824        struct filter_entry *f;
1825        u32 filter_id;
1826        int ret;
1827
1828        if (!(adapter->flags & CXGB4_FULL_INIT_DONE))
1829                return -EAGAIN;  /* can still change nfilters */
1830
1831        if (!adapter->ethtool_filters)
1832                return -EOPNOTSUPP;
1833
1834        if (cmd->fs.location >= adapter->ethtool_filters->nentries) {
1835                dev_err(adapter->pdev_dev,
1836                        "Location must be < %u",
1837                        adapter->ethtool_filters->nentries);
1838                return -ERANGE;
1839        }
1840
1841        filter_info = &adapter->ethtool_filters->port[pi->port_id];
1842
1843        if (!test_bit(cmd->fs.location, filter_info->bmap))
1844                return -ENOENT;
1845
1846        filter_id = filter_info->loc_array[cmd->fs.location];
1847        f = cxgb4_get_filter_entry(adapter, filter_id);
1848
1849        if (f->fs.prio)
1850                filter_id -= adapter->tids.hpftid_base;
1851        else if (!f->fs.hash)
1852                filter_id -= (adapter->tids.ftid_base - adapter->tids.nhpftids);
1853
1854        ret = cxgb4_flow_rule_destroy(dev, f->fs.tc_prio, &f->fs, filter_id);
1855        if (ret)
1856                goto err;
1857
1858        clear_bit(cmd->fs.location, filter_info->bmap);
1859        filter_info->in_use--;
1860
1861err:
1862        return ret;
1863}
1864
1865/* Add Ethtool n-tuple filters. */
1866static int cxgb4_ntuple_set_filter(struct net_device *netdev,
1867                                   struct ethtool_rxnfc *cmd)
1868{
1869        struct ethtool_rx_flow_spec_input input = {};
1870        struct cxgb4_ethtool_filter_info *filter_info;
1871        struct adapter *adapter = netdev2adap(netdev);
1872        struct port_info *pi = netdev_priv(netdev);
1873        struct ch_filter_specification fs;
1874        struct ethtool_rx_flow_rule *flow;
1875        u32 tid;
1876        int ret;
1877
1878        if (!(adapter->flags & CXGB4_FULL_INIT_DONE))
1879                return -EAGAIN;  /* can still change nfilters */
1880
1881        if (!adapter->ethtool_filters)
1882                return -EOPNOTSUPP;
1883
1884        if (cmd->fs.location >= adapter->ethtool_filters->nentries) {
1885                dev_err(adapter->pdev_dev,
1886                        "Location must be < %u",
1887                        adapter->ethtool_filters->nentries);
1888                return -ERANGE;
1889        }
1890
1891        if (test_bit(cmd->fs.location,
1892                     adapter->ethtool_filters->port[pi->port_id].bmap))
1893                return -EEXIST;
1894
1895        memset(&fs, 0, sizeof(fs));
1896
1897        input.fs = &cmd->fs;
1898        flow = ethtool_rx_flow_rule_create(&input);
1899        if (IS_ERR(flow)) {
1900                ret = PTR_ERR(flow);
1901                goto exit;
1902        }
1903
1904        fs.hitcnts = 1;
1905
1906        ret = cxgb4_flow_rule_replace(netdev, flow->rule, cmd->fs.location,
1907                                      NULL, &fs, &tid);
1908        if (ret)
1909                goto free;
1910
1911        filter_info = &adapter->ethtool_filters->port[pi->port_id];
1912
1913        if (fs.prio)
1914                tid += adapter->tids.hpftid_base;
1915        else if (!fs.hash)
1916                tid += (adapter->tids.ftid_base - adapter->tids.nhpftids);
1917
1918        filter_info->loc_array[cmd->fs.location] = tid;
1919        set_bit(cmd->fs.location, filter_info->bmap);
1920        filter_info->in_use++;
1921
1922free:
1923        ethtool_rx_flow_rule_destroy(flow);
1924exit:
1925        return ret;
1926}
1927
1928static int set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1929{
1930        int ret = -EOPNOTSUPP;
1931
1932        switch (cmd->cmd) {
1933        case ETHTOOL_SRXCLSRLINS:
1934                ret = cxgb4_ntuple_set_filter(dev, cmd);
1935                break;
1936        case ETHTOOL_SRXCLSRLDEL:
1937                ret = cxgb4_ntuple_del_filter(dev, cmd);
1938                break;
1939        default:
1940                break;
1941        }
1942
1943        return ret;
1944}
1945
1946static int set_dump(struct net_device *dev, struct ethtool_dump *eth_dump)
1947{
1948        struct adapter *adapter = netdev2adap(dev);
1949        u32 len = 0;
1950
1951        len = sizeof(struct cudbg_hdr) +
1952              sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY;
1953        len += cxgb4_get_dump_length(adapter, eth_dump->flag);
1954
1955        adapter->eth_dump.flag = eth_dump->flag;
1956        adapter->eth_dump.len = len;
1957        return 0;
1958}
1959
1960static int get_dump_flag(struct net_device *dev, struct ethtool_dump *eth_dump)
1961{
1962        struct adapter *adapter = netdev2adap(dev);
1963
1964        eth_dump->flag = adapter->eth_dump.flag;
1965        eth_dump->len = adapter->eth_dump.len;
1966        eth_dump->version = adapter->eth_dump.version;
1967        return 0;
1968}
1969
1970static int get_dump_data(struct net_device *dev, struct ethtool_dump *eth_dump,
1971                         void *buf)
1972{
1973        struct adapter *adapter = netdev2adap(dev);
1974        u32 len = 0;
1975        int ret = 0;
1976
1977        if (adapter->eth_dump.flag == CXGB4_ETH_DUMP_NONE)
1978                return -ENOENT;
1979
1980        len = sizeof(struct cudbg_hdr) +
1981              sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY;
1982        len += cxgb4_get_dump_length(adapter, adapter->eth_dump.flag);
1983        if (eth_dump->len < len)
1984                return -ENOMEM;
1985
1986        ret = cxgb4_cudbg_collect(adapter, buf, &len, adapter->eth_dump.flag);
1987        if (ret)
1988                return ret;
1989
1990        eth_dump->flag = adapter->eth_dump.flag;
1991        eth_dump->len = len;
1992        eth_dump->version = adapter->eth_dump.version;
1993        return 0;
1994}
1995
1996static bool cxgb4_fw_mod_type_info_available(unsigned int fw_mod_type)
1997{
1998        /* Read port module EEPROM as long as it is plugged-in and
1999         * safe to read.
2000         */
2001        return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
2002                fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
2003}
2004
2005static int cxgb4_get_module_info(struct net_device *dev,
2006                                 struct ethtool_modinfo *modinfo)
2007{
2008        struct port_info *pi = netdev_priv(dev);
2009        u8 sff8472_comp, sff_diag_type, sff_rev;
2010        struct adapter *adapter = pi->adapter;
2011        int ret;
2012
2013        if (!cxgb4_fw_mod_type_info_available(pi->mod_type))
2014                return -EINVAL;
2015
2016        switch (pi->port_type) {
2017        case FW_PORT_TYPE_SFP:
2018        case FW_PORT_TYPE_QSA:
2019        case FW_PORT_TYPE_SFP28:
2020                ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2021                                I2C_DEV_ADDR_A0, SFF_8472_COMP_ADDR,
2022                                SFF_8472_COMP_LEN, &sff8472_comp);
2023                if (ret)
2024                        return ret;
2025                ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2026                                I2C_DEV_ADDR_A0, SFP_DIAG_TYPE_ADDR,
2027                                SFP_DIAG_TYPE_LEN, &sff_diag_type);
2028                if (ret)
2029                        return ret;
2030
2031                if (!sff8472_comp || (sff_diag_type & SFP_DIAG_ADDRMODE)) {
2032                        modinfo->type = ETH_MODULE_SFF_8079;
2033                        modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
2034                } else {
2035                        modinfo->type = ETH_MODULE_SFF_8472;
2036                        if (sff_diag_type & SFP_DIAG_IMPLEMENTED)
2037                                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2038                        else
2039                                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN / 2;
2040                }
2041                break;
2042
2043        case FW_PORT_TYPE_QSFP:
2044        case FW_PORT_TYPE_QSFP_10G:
2045        case FW_PORT_TYPE_CR_QSFP:
2046        case FW_PORT_TYPE_CR2_QSFP:
2047        case FW_PORT_TYPE_CR4_QSFP:
2048                ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2049                                I2C_DEV_ADDR_A0, SFF_REV_ADDR,
2050                                SFF_REV_LEN, &sff_rev);
2051                /* For QSFP type ports, revision value >= 3
2052                 * means the SFP is 8636 compliant.
2053                 */
2054                if (ret)
2055                        return ret;
2056                if (sff_rev >= 0x3) {
2057                        modinfo->type = ETH_MODULE_SFF_8636;
2058                        modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2059                } else {
2060                        modinfo->type = ETH_MODULE_SFF_8436;
2061                        modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2062                }
2063                break;
2064
2065        default:
2066                return -EINVAL;
2067        }
2068
2069        return 0;
2070}
2071
2072static int cxgb4_get_module_eeprom(struct net_device *dev,
2073                                   struct ethtool_eeprom *eprom, u8 *data)
2074{
2075        int ret = 0, offset = eprom->offset, len = eprom->len;
2076        struct port_info *pi = netdev_priv(dev);
2077        struct adapter *adapter = pi->adapter;
2078
2079        memset(data, 0, eprom->len);
2080        if (offset + len <= I2C_PAGE_SIZE)
2081                return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2082                                 I2C_DEV_ADDR_A0, offset, len, data);
2083
2084        /* offset + len spans 0xa0 and 0xa1 pages */
2085        if (offset <= I2C_PAGE_SIZE) {
2086                /* read 0xa0 page */
2087                len = I2C_PAGE_SIZE - offset;
2088                ret =  t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2089                                 I2C_DEV_ADDR_A0, offset, len, data);
2090                if (ret)
2091                        return ret;
2092                offset = I2C_PAGE_SIZE;
2093                /* Remaining bytes to be read from second page =
2094                 * Total length - bytes read from first page
2095                 */
2096                len = eprom->len - len;
2097        }
2098        /* Read additional optical diagnostics from page 0xa2 if supported */
2099        return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, I2C_DEV_ADDR_A2,
2100                         offset, len, &data[eprom->len - len]);
2101}
2102
2103static u32 cxgb4_get_priv_flags(struct net_device *netdev)
2104{
2105        struct port_info *pi = netdev_priv(netdev);
2106        struct adapter *adapter = pi->adapter;
2107
2108        return (adapter->eth_flags | pi->eth_flags);
2109}
2110
2111/**
2112 *      set_flags - set/unset specified flags if passed in new_flags
2113 *      @cur_flags: pointer to current flags
2114 *      @new_flags: new incoming flags
2115 *      @flags: set of flags to set/unset
2116 */
2117static inline void set_flags(u32 *cur_flags, u32 new_flags, u32 flags)
2118{
2119        *cur_flags = (*cur_flags & ~flags) | (new_flags & flags);
2120}
2121
2122static int cxgb4_set_priv_flags(struct net_device *netdev, u32 flags)
2123{
2124        struct port_info *pi = netdev_priv(netdev);
2125        struct adapter *adapter = pi->adapter;
2126
2127        set_flags(&adapter->eth_flags, flags, PRIV_FLAGS_ADAP);
2128        set_flags(&pi->eth_flags, flags, PRIV_FLAGS_PORT);
2129
2130        return 0;
2131}
2132
2133static void cxgb4_lb_test(struct net_device *netdev, u64 *lb_status)
2134{
2135        int dev_state = netif_running(netdev);
2136
2137        if (dev_state) {
2138                netif_tx_stop_all_queues(netdev);
2139                netif_carrier_off(netdev);
2140        }
2141
2142        *lb_status = cxgb4_selftest_lb_pkt(netdev);
2143
2144        if (dev_state) {
2145                netif_tx_start_all_queues(netdev);
2146                netif_carrier_on(netdev);
2147        }
2148}
2149
2150static void cxgb4_self_test(struct net_device *netdev,
2151                            struct ethtool_test *eth_test, u64 *data)
2152{
2153        struct port_info *pi = netdev_priv(netdev);
2154        struct adapter *adap = pi->adapter;
2155
2156        memset(data, 0, sizeof(u64) * CXGB4_ETHTOOL_MAX_TEST);
2157
2158        if (!(adap->flags & CXGB4_FULL_INIT_DONE) ||
2159            !(adap->flags & CXGB4_FW_OK)) {
2160                eth_test->flags |= ETH_TEST_FL_FAILED;
2161                return;
2162        }
2163
2164        if (eth_test->flags & ETH_TEST_FL_OFFLINE)
2165                cxgb4_lb_test(netdev, &data[CXGB4_ETHTOOL_LB_TEST]);
2166
2167        if (data[CXGB4_ETHTOOL_LB_TEST])
2168                eth_test->flags |= ETH_TEST_FL_FAILED;
2169}
2170
2171static const struct ethtool_ops cxgb_ethtool_ops = {
2172        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2173                                     ETHTOOL_COALESCE_RX_MAX_FRAMES |
2174                                     ETHTOOL_COALESCE_TX_USECS_IRQ |
2175                                     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
2176        .get_link_ksettings = get_link_ksettings,
2177        .set_link_ksettings = set_link_ksettings,
2178        .get_fecparam      = get_fecparam,
2179        .set_fecparam      = set_fecparam,
2180        .get_drvinfo       = get_drvinfo,
2181        .get_msglevel      = get_msglevel,
2182        .set_msglevel      = set_msglevel,
2183        .get_ringparam     = get_sge_param,
2184        .set_ringparam     = set_sge_param,
2185        .get_coalesce      = get_coalesce,
2186        .set_coalesce      = set_coalesce,
2187        .get_eeprom_len    = get_eeprom_len,
2188        .get_eeprom        = get_eeprom,
2189        .set_eeprom        = set_eeprom,
2190        .get_pauseparam    = get_pauseparam,
2191        .set_pauseparam    = set_pauseparam,
2192        .get_link          = ethtool_op_get_link,
2193        .get_strings       = get_strings,
2194        .set_phys_id       = identify_port,
2195        .nway_reset        = restart_autoneg,
2196        .get_sset_count    = get_sset_count,
2197        .get_ethtool_stats = get_stats,
2198        .get_regs_len      = get_regs_len,
2199        .get_regs          = get_regs,
2200        .get_rxnfc         = get_rxnfc,
2201        .set_rxnfc         = set_rxnfc,
2202        .get_rxfh_indir_size = get_rss_table_size,
2203        .get_rxfh          = get_rss_table,
2204        .set_rxfh          = set_rss_table,
2205        .self_test         = cxgb4_self_test,
2206        .flash_device      = set_flash,
2207        .get_ts_info       = get_ts_info,
2208        .set_dump          = set_dump,
2209        .get_dump_flag     = get_dump_flag,
2210        .get_dump_data     = get_dump_data,
2211        .get_module_info   = cxgb4_get_module_info,
2212        .get_module_eeprom = cxgb4_get_module_eeprom,
2213        .get_priv_flags    = cxgb4_get_priv_flags,
2214        .set_priv_flags    = cxgb4_set_priv_flags,
2215};
2216
2217void cxgb4_cleanup_ethtool_filters(struct adapter *adap)
2218{
2219        struct cxgb4_ethtool_filter_info *eth_filter_info;
2220        u8 i;
2221
2222        if (!adap->ethtool_filters)
2223                return;
2224
2225        eth_filter_info = adap->ethtool_filters->port;
2226
2227        if (eth_filter_info) {
2228                for (i = 0; i < adap->params.nports; i++) {
2229                        kvfree(eth_filter_info[i].loc_array);
2230                        kfree(eth_filter_info[i].bmap);
2231                }
2232                kfree(eth_filter_info);
2233        }
2234
2235        kfree(adap->ethtool_filters);
2236}
2237
2238int cxgb4_init_ethtool_filters(struct adapter *adap)
2239{
2240        struct cxgb4_ethtool_filter_info *eth_filter_info;
2241        struct cxgb4_ethtool_filter *eth_filter;
2242        struct tid_info *tids = &adap->tids;
2243        u32 nentries, i;
2244        int ret;
2245
2246        eth_filter = kzalloc(sizeof(*eth_filter), GFP_KERNEL);
2247        if (!eth_filter)
2248                return -ENOMEM;
2249
2250        eth_filter_info = kcalloc(adap->params.nports,
2251                                  sizeof(*eth_filter_info),
2252                                  GFP_KERNEL);
2253        if (!eth_filter_info) {
2254                ret = -ENOMEM;
2255                goto free_eth_filter;
2256        }
2257
2258        eth_filter->port = eth_filter_info;
2259
2260        nentries = tids->nhpftids + tids->nftids;
2261        if (is_hashfilter(adap))
2262                nentries += tids->nhash +
2263                            (adap->tids.stid_base - adap->tids.tid_base);
2264        eth_filter->nentries = nentries;
2265
2266        for (i = 0; i < adap->params.nports; i++) {
2267                eth_filter->port[i].loc_array = kvzalloc(nentries, GFP_KERNEL);
2268                if (!eth_filter->port[i].loc_array) {
2269                        ret = -ENOMEM;
2270                        goto free_eth_finfo;
2271                }
2272
2273                eth_filter->port[i].bmap = kcalloc(BITS_TO_LONGS(nentries),
2274                                                   sizeof(unsigned long),
2275                                                   GFP_KERNEL);
2276                if (!eth_filter->port[i].bmap) {
2277                        ret = -ENOMEM;
2278                        goto free_eth_finfo;
2279                }
2280        }
2281
2282        adap->ethtool_filters = eth_filter;
2283        return 0;
2284
2285free_eth_finfo:
2286        while (i-- > 0) {
2287                kfree(eth_filter->port[i].bmap);
2288                kvfree(eth_filter->port[i].loc_array);
2289        }
2290        kfree(eth_filter_info);
2291
2292free_eth_filter:
2293        kfree(eth_filter);
2294
2295        return ret;
2296}
2297
2298void cxgb4_set_ethtool_ops(struct net_device *netdev)
2299{
2300        netdev->ethtool_ops = &cxgb_ethtool_ops;
2301}
2302