linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
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   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{
 895        const struct port_info *pi = netdev_priv(dev);
 896        const struct sge *s = &pi->adapter->sge;
 897
 898        e->rx_max_pending = MAX_RX_BUFFERS;
 899        e->rx_mini_max_pending = MAX_RSPQ_ENTRIES;
 900        e->rx_jumbo_max_pending = 0;
 901        e->tx_max_pending = MAX_TXQ_ENTRIES;
 902
 903        e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8;
 904        e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size;
 905        e->rx_jumbo_pending = 0;
 906        e->tx_pending = s->ethtxq[pi->first_qset].q.size;
 907}
 908
 909static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
 910{
 911        int i;
 912        const struct port_info *pi = netdev_priv(dev);
 913        struct adapter *adapter = pi->adapter;
 914        struct sge *s = &adapter->sge;
 915
 916        if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending ||
 917            e->tx_pending > MAX_TXQ_ENTRIES ||
 918            e->rx_mini_pending > MAX_RSPQ_ENTRIES ||
 919            e->rx_mini_pending < MIN_RSPQ_ENTRIES ||
 920            e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES)
 921                return -EINVAL;
 922
 923        if (adapter->flags & CXGB4_FULL_INIT_DONE)
 924                return -EBUSY;
 925
 926        for (i = 0; i < pi->nqsets; ++i) {
 927                s->ethtxq[pi->first_qset + i].q.size = e->tx_pending;
 928                s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8;
 929                s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending;
 930        }
 931        return 0;
 932}
 933
 934/**
 935 * set_rx_intr_params - set a net devices's RX interrupt holdoff paramete!
 936 * @dev: the network device
 937 * @us: the hold-off time in us, or 0 to disable timer
 938 * @cnt: the hold-off packet count, or 0 to disable counter
 939 *
 940 * Set the RX interrupt hold-off parameters for a network device.
 941 */
 942static int set_rx_intr_params(struct net_device *dev,
 943                              unsigned int us, unsigned int cnt)
 944{
 945        int i, err;
 946        struct port_info *pi = netdev_priv(dev);
 947        struct adapter *adap = pi->adapter;
 948        struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
 949
 950        for (i = 0; i < pi->nqsets; i++, q++) {
 951                err = cxgb4_set_rspq_intr_params(&q->rspq, us, cnt);
 952                if (err)
 953                        return err;
 954        }
 955        return 0;
 956}
 957
 958static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx)
 959{
 960        int i;
 961        struct port_info *pi = netdev_priv(dev);
 962        struct adapter *adap = pi->adapter;
 963        struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
 964
 965        for (i = 0; i < pi->nqsets; i++, q++)
 966                q->rspq.adaptive_rx = adaptive_rx;
 967
 968        return 0;
 969}
 970
 971static int get_adaptive_rx_setting(struct net_device *dev)
 972{
 973        struct port_info *pi = netdev_priv(dev);
 974        struct adapter *adap = pi->adapter;
 975        struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
 976
 977        return q->rspq.adaptive_rx;
 978}
 979
 980/* Return the current global Adapter SGE Doorbell Queue Timer Tick for all
 981 * Ethernet TX Queues.
 982 */
 983static int get_dbqtimer_tick(struct net_device *dev)
 984{
 985        struct port_info *pi = netdev_priv(dev);
 986        struct adapter *adap = pi->adapter;
 987
 988        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
 989                return 0;
 990
 991        return adap->sge.dbqtimer_tick;
 992}
 993
 994/* Return the SGE Doorbell Queue Timer Value for the Ethernet TX Queues
 995 * associated with a Network Device.
 996 */
 997static int get_dbqtimer(struct net_device *dev)
 998{
 999        struct port_info *pi = netdev_priv(dev);
1000        struct adapter *adap = pi->adapter;
1001        struct sge_eth_txq *txq;
1002
1003        txq = &adap->sge.ethtxq[pi->first_qset];
1004
1005        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
1006                return 0;
1007
1008        /* all of the TX Queues use the same Timer Index */
1009        return adap->sge.dbqtimer_val[txq->dbqtimerix];
1010}
1011
1012/* Set the global Adapter SGE Doorbell Queue Timer Tick for all Ethernet TX
1013 * Queues.  This is the fundamental "Tick" that sets the scale of values which
1014 * can be used.  Individual Ethernet TX Queues index into a relatively small
1015 * array of Tick Multipliers.  Changing the base Tick will thus change all of
1016 * the resulting Timer Values associated with those multipliers for all
1017 * Ethernet TX Queues.
1018 */
1019static int set_dbqtimer_tick(struct net_device *dev, int usecs)
1020{
1021        struct port_info *pi = netdev_priv(dev);
1022        struct adapter *adap = pi->adapter;
1023        struct sge *s = &adap->sge;
1024        u32 param, val;
1025        int ret;
1026
1027        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
1028                return 0;
1029
1030        /* return early if it's the same Timer Tick we're already using */
1031        if (s->dbqtimer_tick == usecs)
1032                return 0;
1033
1034        /* attempt to set the new Timer Tick value */
1035        param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1036                 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DBQ_TIMERTICK));
1037        val = usecs;
1038        ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
1039        if (ret)
1040                return ret;
1041        s->dbqtimer_tick = usecs;
1042
1043        /* if successful, reread resulting dependent Timer values */
1044        ret = t4_read_sge_dbqtimers(adap, ARRAY_SIZE(s->dbqtimer_val),
1045                                    s->dbqtimer_val);
1046        return ret;
1047}
1048
1049/* Set the SGE Doorbell Queue Timer Value for the Ethernet TX Queues
1050 * associated with a Network Device.  There is a relatively small array of
1051 * possible Timer Values so we need to pick the closest value available.
1052 */
1053static int set_dbqtimer(struct net_device *dev, int usecs)
1054{
1055        int qix, timerix, min_timerix, delta, min_delta;
1056        struct port_info *pi = netdev_priv(dev);
1057        struct adapter *adap = pi->adapter;
1058        struct sge *s = &adap->sge;
1059        struct sge_eth_txq *txq;
1060        u32 param, val;
1061        int ret;
1062
1063        if (!(adap->flags & CXGB4_SGE_DBQ_TIMER))
1064                return 0;
1065
1066        /* Find the SGE Doorbell Timer Value that's closest to the requested
1067         * value.
1068         */
1069        min_delta = INT_MAX;
1070        min_timerix = 0;
1071        for (timerix = 0; timerix < ARRAY_SIZE(s->dbqtimer_val); timerix++) {
1072                delta = s->dbqtimer_val[timerix] - usecs;
1073                if (delta < 0)
1074                        delta = -delta;
1075                if (delta < min_delta) {
1076                        min_delta = delta;
1077                        min_timerix = timerix;
1078                }
1079        }
1080
1081        /* Return early if it's the same Timer Index we're already using.
1082         * We use the same Timer Index for all of the TX Queues for an
1083         * interface so it's only necessary to check the first one.
1084         */
1085        txq = &s->ethtxq[pi->first_qset];
1086        if (txq->dbqtimerix == min_timerix)
1087                return 0;
1088
1089        for (qix = 0; qix < pi->nqsets; qix++, txq++) {
1090                if (adap->flags & CXGB4_FULL_INIT_DONE) {
1091                        param =
1092                         (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DMAQ) |
1093                          FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DMAQ_EQ_TIMERIX) |
1094                          FW_PARAMS_PARAM_YZ_V(txq->q.cntxt_id));
1095                        val = min_timerix;
1096                        ret = t4_set_params(adap, adap->mbox, adap->pf, 0,
1097                                            1, &param, &val);
1098                        if (ret)
1099                                return ret;
1100                }
1101                txq->dbqtimerix = min_timerix;
1102        }
1103        return 0;
1104}
1105
1106/* Set the global Adapter SGE Doorbell Queue Timer Tick for all Ethernet TX
1107 * Queues and the Timer Value for the Ethernet TX Queues associated with a
1108 * Network Device.  Since changing the global Tick changes all of the
1109 * available Timer Values, we need to do this first before selecting the
1110 * resulting closest Timer Value.  Moreover, since the Tick is global,
1111 * changing it affects the Timer Values for all Network Devices on the
1112 * adapter.  So, before changing the Tick, we grab all of the current Timer
1113 * Values for other Network Devices on this Adapter and then attempt to select
1114 * new Timer Values which are close to the old values ...
1115 */
1116static int set_dbqtimer_tickval(struct net_device *dev,
1117                                int tick_usecs, int timer_usecs)
1118{
1119        struct port_info *pi = netdev_priv(dev);
1120        struct adapter *adap = pi->adapter;
1121        int timer[MAX_NPORTS];
1122        unsigned int port;
1123        int ret;
1124
1125        /* Grab the other adapter Network Interface current timers and fill in
1126         * the new one for this Network Interface.
1127         */
1128        for_each_port(adap, port)
1129                if (port == pi->port_id)
1130                        timer[port] = timer_usecs;
1131                else
1132                        timer[port] = get_dbqtimer(adap->port[port]);
1133
1134        /* Change the global Tick first ... */
1135        ret = set_dbqtimer_tick(dev, tick_usecs);
1136        if (ret)
1137                return ret;
1138
1139        /* ... and then set all of the Network Interface Timer Values ... */
1140        for_each_port(adap, port) {
1141                ret = set_dbqtimer(adap->port[port], timer[port]);
1142                if (ret)
1143                        return ret;
1144        }
1145
1146        return 0;
1147}
1148
1149static int set_coalesce(struct net_device *dev,
1150                        struct ethtool_coalesce *coalesce,
1151                        struct kernel_ethtool_coalesce *kernel_coal,
1152                        struct netlink_ext_ack *extack)
1153{
1154        int ret;
1155
1156        set_adaptive_rx_setting(dev, coalesce->use_adaptive_rx_coalesce);
1157
1158        ret = set_rx_intr_params(dev, coalesce->rx_coalesce_usecs,
1159                                 coalesce->rx_max_coalesced_frames);
1160        if (ret)
1161                return ret;
1162
1163        return set_dbqtimer_tickval(dev,
1164                                    coalesce->tx_coalesce_usecs_irq,
1165                                    coalesce->tx_coalesce_usecs);
1166}
1167
1168static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c,
1169                        struct kernel_ethtool_coalesce *kernel_coal,
1170                        struct netlink_ext_ack *extack)
1171{
1172        const struct port_info *pi = netdev_priv(dev);
1173        const struct adapter *adap = pi->adapter;
1174        const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq;
1175
1176        c->rx_coalesce_usecs = qtimer_val(adap, rq);
1177        c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN_F) ?
1178                adap->sge.counter_val[rq->pktcnt_idx] : 0;
1179        c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev);
1180        c->tx_coalesce_usecs_irq = get_dbqtimer_tick(dev);
1181        c->tx_coalesce_usecs = get_dbqtimer(dev);
1182        return 0;
1183}
1184
1185/* The next two routines implement eeprom read/write from physical addresses.
1186 */
1187static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
1188{
1189        int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1190
1191        if (vaddr >= 0)
1192                vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v);
1193        return vaddr < 0 ? vaddr : 0;
1194}
1195
1196static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
1197{
1198        int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1199
1200        if (vaddr >= 0)
1201                vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v);
1202        return vaddr < 0 ? vaddr : 0;
1203}
1204
1205#define EEPROM_MAGIC 0x38E2F10C
1206
1207static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
1208                      u8 *data)
1209{
1210        int i, err = 0;
1211        struct adapter *adapter = netdev2adap(dev);
1212        u8 *buf = kvzalloc(EEPROMSIZE, GFP_KERNEL);
1213
1214        if (!buf)
1215                return -ENOMEM;
1216
1217        e->magic = EEPROM_MAGIC;
1218        for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4)
1219                err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
1220
1221        if (!err)
1222                memcpy(data, buf + e->offset, e->len);
1223        kvfree(buf);
1224        return err;
1225}
1226
1227static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
1228                      u8 *data)
1229{
1230        u8 *buf;
1231        int err = 0;
1232        u32 aligned_offset, aligned_len, *p;
1233        struct adapter *adapter = netdev2adap(dev);
1234
1235        if (eeprom->magic != EEPROM_MAGIC)
1236                return -EINVAL;
1237
1238        aligned_offset = eeprom->offset & ~3;
1239        aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3;
1240
1241        if (adapter->pf > 0) {
1242                u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1243
1244                if (aligned_offset < start ||
1245                    aligned_offset + aligned_len > start + EEPROMPFSIZE)
1246                        return -EPERM;
1247        }
1248
1249        if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) {
1250                /* RMW possibly needed for first or last words.
1251                 */
1252                buf = kvzalloc(aligned_len, GFP_KERNEL);
1253                if (!buf)
1254                        return -ENOMEM;
1255                err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1256                if (!err && aligned_len > 4)
1257                        err = eeprom_rd_phys(adapter,
1258                                             aligned_offset + aligned_len - 4,
1259                                             (u32 *)&buf[aligned_len - 4]);
1260                if (err)
1261                        goto out;
1262                memcpy(buf + (eeprom->offset & 3), data, eeprom->len);
1263        } else {
1264                buf = data;
1265        }
1266
1267        err = t4_seeprom_wp(adapter, false);
1268        if (err)
1269                goto out;
1270
1271        for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1272                err = eeprom_wr_phys(adapter, aligned_offset, *p);
1273                aligned_offset += 4;
1274        }
1275
1276        if (!err)
1277                err = t4_seeprom_wp(adapter, true);
1278out:
1279        if (buf != data)
1280                kvfree(buf);
1281        return err;
1282}
1283
1284static int cxgb4_ethtool_flash_bootcfg(struct net_device *netdev,
1285                                       const u8 *data, u32 size)
1286{
1287        struct adapter *adap = netdev2adap(netdev);
1288        int ret;
1289
1290        ret = t4_load_bootcfg(adap, data, size);
1291        if (ret)
1292                dev_err(adap->pdev_dev, "Failed to load boot cfg image\n");
1293
1294        return ret;
1295}
1296
1297static int cxgb4_ethtool_flash_boot(struct net_device *netdev,
1298                                    const u8 *bdata, u32 size)
1299{
1300        struct adapter *adap = netdev2adap(netdev);
1301        unsigned int offset;
1302        u8 *data;
1303        int ret;
1304
1305        data = kmemdup(bdata, size, GFP_KERNEL);
1306        if (!data)
1307                return -ENOMEM;
1308
1309        offset = OFFSET_G(t4_read_reg(adap, PF_REG(0, PCIE_PF_EXPROM_OFST_A)));
1310
1311        ret = t4_load_boot(adap, data, offset, size);
1312        if (ret)
1313                dev_err(adap->pdev_dev, "Failed to load boot image\n");
1314
1315        kfree(data);
1316        return ret;
1317}
1318
1319#define CXGB4_PHY_SIG 0x130000ea
1320
1321static int cxgb4_validate_phy_image(const u8 *data, u32 *size)
1322{
1323        struct cxgb4_fw_data *header;
1324
1325        header = (struct cxgb4_fw_data *)data;
1326        if (be32_to_cpu(header->signature) != CXGB4_PHY_SIG)
1327                return -EINVAL;
1328
1329        return 0;
1330}
1331
1332static int cxgb4_ethtool_flash_phy(struct net_device *netdev,
1333                                   const u8 *data, u32 size)
1334{
1335        struct adapter *adap = netdev2adap(netdev);
1336        int ret;
1337
1338        ret = cxgb4_validate_phy_image(data, NULL);
1339        if (ret) {
1340                dev_err(adap->pdev_dev, "PHY signature mismatch\n");
1341                return ret;
1342        }
1343
1344        /* We have to RESET the chip/firmware because we need the
1345         * chip in uninitialized state for loading new PHY image.
1346         * Otherwise, the running firmware will only store the PHY
1347         * image in local RAM which will be lost after next reset.
1348         */
1349        ret = t4_fw_reset(adap, adap->mbox, PIORSTMODE_F | PIORST_F);
1350        if (ret < 0) {
1351                dev_err(adap->pdev_dev,
1352                        "Set FW to RESET for flashing PHY FW failed. ret: %d\n",
1353                        ret);
1354                return ret;
1355        }
1356
1357        ret = t4_load_phy_fw(adap, MEMWIN_NIC, NULL, data, size);
1358        if (ret < 0) {
1359                dev_err(adap->pdev_dev, "Failed to load PHY FW. ret: %d\n",
1360                        ret);
1361                return ret;
1362        }
1363
1364        return 0;
1365}
1366
1367static int cxgb4_ethtool_flash_fw(struct net_device *netdev,
1368                                  const u8 *data, u32 size)
1369{
1370        struct adapter *adap = netdev2adap(netdev);
1371        unsigned int mbox = PCIE_FW_MASTER_M + 1;
1372        int ret;
1373
1374        /* If the adapter has been fully initialized then we'll go ahead and
1375         * try to get the firmware's cooperation in upgrading to the new
1376         * firmware image otherwise we'll try to do the entire job from the
1377         * host ... and we always "force" the operation in this path.
1378         */
1379        if (adap->flags & CXGB4_FULL_INIT_DONE)
1380                mbox = adap->mbox;
1381
1382        ret = t4_fw_upgrade(adap, mbox, data, size, 1);
1383        if (ret)
1384                dev_err(adap->pdev_dev,
1385                        "Failed to flash firmware\n");
1386
1387        return ret;
1388}
1389
1390static int cxgb4_ethtool_flash_region(struct net_device *netdev,
1391                                      const u8 *data, u32 size, u32 region)
1392{
1393        struct adapter *adap = netdev2adap(netdev);
1394        int ret;
1395
1396        switch (region) {
1397        case CXGB4_ETHTOOL_FLASH_FW:
1398                ret = cxgb4_ethtool_flash_fw(netdev, data, size);
1399                break;
1400        case CXGB4_ETHTOOL_FLASH_PHY:
1401                ret = cxgb4_ethtool_flash_phy(netdev, data, size);
1402                break;
1403        case CXGB4_ETHTOOL_FLASH_BOOT:
1404                ret = cxgb4_ethtool_flash_boot(netdev, data, size);
1405                break;
1406        case CXGB4_ETHTOOL_FLASH_BOOTCFG:
1407                ret = cxgb4_ethtool_flash_bootcfg(netdev, data, size);
1408                break;
1409        default:
1410                ret = -EOPNOTSUPP;
1411                break;
1412        }
1413
1414        if (!ret)
1415                dev_info(adap->pdev_dev,
1416                         "loading %s successful, reload cxgb4 driver\n",
1417                         flash_region_strings[region]);
1418        return ret;
1419}
1420
1421#define CXGB4_FW_SIG 0x4368656c
1422#define CXGB4_FW_SIG_OFFSET 0x160
1423
1424static int cxgb4_validate_fw_image(const u8 *data, u32 *size)
1425{
1426        struct cxgb4_fw_data *header;
1427
1428        header = (struct cxgb4_fw_data *)&data[CXGB4_FW_SIG_OFFSET];
1429        if (be32_to_cpu(header->signature) != CXGB4_FW_SIG)
1430                return -EINVAL;
1431
1432        if (size)
1433                *size = be16_to_cpu(((struct fw_hdr *)data)->len512) * 512;
1434
1435        return 0;
1436}
1437
1438static int cxgb4_validate_bootcfg_image(const u8 *data, u32 *size)
1439{
1440        struct cxgb4_bootcfg_data *header;
1441
1442        header = (struct cxgb4_bootcfg_data *)data;
1443        if (le16_to_cpu(header->signature) != BOOT_CFG_SIG)
1444                return -EINVAL;
1445
1446        return 0;
1447}
1448
1449static int cxgb4_validate_boot_image(const u8 *data, u32 *size)
1450{
1451        struct cxgb4_pci_exp_rom_header *exp_header;
1452        struct cxgb4_pcir_data *pcir_header;
1453        struct legacy_pci_rom_hdr *header;
1454        const u8 *cur_header = data;
1455        u16 pcir_offset;
1456
1457        exp_header = (struct cxgb4_pci_exp_rom_header *)data;
1458
1459        if (le16_to_cpu(exp_header->signature) != BOOT_SIGNATURE)
1460                return -EINVAL;
1461
1462        if (size) {
1463                do {
1464                        header = (struct legacy_pci_rom_hdr *)cur_header;
1465                        pcir_offset = le16_to_cpu(header->pcir_offset);
1466                        pcir_header = (struct cxgb4_pcir_data *)(cur_header +
1467                                      pcir_offset);
1468
1469                        *size += header->size512 * 512;
1470                        cur_header += header->size512 * 512;
1471                } while (!(pcir_header->indicator & CXGB4_HDR_INDI));
1472        }
1473
1474        return 0;
1475}
1476
1477static int cxgb4_ethtool_get_flash_region(const u8 *data, u32 *size)
1478{
1479        if (!cxgb4_validate_fw_image(data, size))
1480                return CXGB4_ETHTOOL_FLASH_FW;
1481        if (!cxgb4_validate_boot_image(data, size))
1482                return CXGB4_ETHTOOL_FLASH_BOOT;
1483        if (!cxgb4_validate_phy_image(data, size))
1484                return CXGB4_ETHTOOL_FLASH_PHY;
1485        if (!cxgb4_validate_bootcfg_image(data, size))
1486                return CXGB4_ETHTOOL_FLASH_BOOTCFG;
1487
1488        return -EOPNOTSUPP;
1489}
1490
1491static int set_flash(struct net_device *netdev, struct ethtool_flash *ef)
1492{
1493        struct adapter *adap = netdev2adap(netdev);
1494        const struct firmware *fw;
1495        unsigned int master;
1496        u8 master_vld = 0;
1497        const u8 *fw_data;
1498        size_t fw_size;
1499        u32 size = 0;
1500        u32 pcie_fw;
1501        int region;
1502        int ret;
1503
1504        pcie_fw = t4_read_reg(adap, PCIE_FW_A);
1505        master = PCIE_FW_MASTER_G(pcie_fw);
1506        if (pcie_fw & PCIE_FW_MASTER_VLD_F)
1507                master_vld = 1;
1508        /* if csiostor is the master return */
1509        if (master_vld && (master != adap->pf)) {
1510                dev_warn(adap->pdev_dev,
1511                         "cxgb4 driver needs to be loaded as MASTER to support FW flash\n");
1512                return -EOPNOTSUPP;
1513        }
1514
1515        ef->data[sizeof(ef->data) - 1] = '\0';
1516        ret = request_firmware(&fw, ef->data, adap->pdev_dev);
1517        if (ret < 0)
1518                return ret;
1519
1520        fw_data = fw->data;
1521        fw_size = fw->size;
1522        if (ef->region == ETHTOOL_FLASH_ALL_REGIONS) {
1523                while (fw_size > 0) {
1524                        size = 0;
1525                        region = cxgb4_ethtool_get_flash_region(fw_data, &size);
1526                        if (region < 0 || !size) {
1527                                ret = region;
1528                                goto out_free_fw;
1529                        }
1530
1531                        ret = cxgb4_ethtool_flash_region(netdev, fw_data, size,
1532                                                         region);
1533                        if (ret)
1534                                goto out_free_fw;
1535
1536                        fw_data += size;
1537                        fw_size -= size;
1538                }
1539        } else {
1540                ret = cxgb4_ethtool_flash_region(netdev, fw_data, fw_size,
1541                                                 ef->region);
1542        }
1543
1544out_free_fw:
1545        release_firmware(fw);
1546        return ret;
1547}
1548
1549static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info)
1550{
1551        struct port_info *pi = netdev_priv(dev);
1552        struct  adapter *adapter = pi->adapter;
1553
1554        ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1555                                   SOF_TIMESTAMPING_RX_SOFTWARE |
1556                                   SOF_TIMESTAMPING_SOFTWARE;
1557
1558        ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE |
1559                                    SOF_TIMESTAMPING_TX_HARDWARE |
1560                                    SOF_TIMESTAMPING_RAW_HARDWARE;
1561
1562        ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) |
1563                            (1 << HWTSTAMP_TX_ON);
1564
1565        ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1566                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1567                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1568                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1569                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1570                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1571
1572        if (adapter->ptp_clock)
1573                ts_info->phc_index = ptp_clock_index(adapter->ptp_clock);
1574        else
1575                ts_info->phc_index = -1;
1576
1577        return 0;
1578}
1579
1580static u32 get_rss_table_size(struct net_device *dev)
1581{
1582        const struct port_info *pi = netdev_priv(dev);
1583
1584        return pi->rss_size;
1585}
1586
1587static int get_rss_table(struct net_device *dev, u32 *p, u8 *key, u8 *hfunc)
1588{
1589        const struct port_info *pi = netdev_priv(dev);
1590        unsigned int n = pi->rss_size;
1591
1592        if (hfunc)
1593                *hfunc = ETH_RSS_HASH_TOP;
1594        if (!p)
1595                return 0;
1596        while (n--)
1597                p[n] = pi->rss[n];
1598        return 0;
1599}
1600
1601static int set_rss_table(struct net_device *dev, const u32 *p, const u8 *key,
1602                         const u8 hfunc)
1603{
1604        unsigned int i;
1605        struct port_info *pi = netdev_priv(dev);
1606
1607        /* We require at least one supported parameter to be changed and no
1608         * change in any of the unsupported parameters
1609         */
1610        if (key ||
1611            (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
1612                return -EOPNOTSUPP;
1613        if (!p)
1614                return 0;
1615
1616        /* Interface must be brought up atleast once */
1617        if (pi->adapter->flags & CXGB4_FULL_INIT_DONE) {
1618                for (i = 0; i < pi->rss_size; i++)
1619                        pi->rss[i] = p[i];
1620
1621                return cxgb4_write_rss(pi, pi->rss);
1622        }
1623
1624        return -EPERM;
1625}
1626
1627static struct filter_entry *cxgb4_get_filter_entry(struct adapter *adap,
1628                                                   u32 ftid)
1629{
1630        struct tid_info *t = &adap->tids;
1631
1632        if (ftid >= t->hpftid_base && ftid < t->hpftid_base + t->nhpftids)
1633                return &t->hpftid_tab[ftid - t->hpftid_base];
1634
1635        if (ftid >= t->ftid_base && ftid < t->ftid_base + t->nftids)
1636                return &t->ftid_tab[ftid - t->ftid_base];
1637
1638        return lookup_tid(t, ftid);
1639}
1640
1641static void cxgb4_fill_filter_rule(struct ethtool_rx_flow_spec *fs,
1642                                   struct ch_filter_specification *dfs)
1643{
1644        switch (dfs->val.proto) {
1645        case IPPROTO_TCP:
1646                if (dfs->type)
1647                        fs->flow_type = TCP_V6_FLOW;
1648                else
1649                        fs->flow_type = TCP_V4_FLOW;
1650                break;
1651        case IPPROTO_UDP:
1652                if (dfs->type)
1653                        fs->flow_type = UDP_V6_FLOW;
1654                else
1655                        fs->flow_type = UDP_V4_FLOW;
1656                break;
1657        }
1658
1659        if (dfs->type) {
1660                fs->h_u.tcp_ip6_spec.psrc = cpu_to_be16(dfs->val.fport);
1661                fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(dfs->mask.fport);
1662                fs->h_u.tcp_ip6_spec.pdst = cpu_to_be16(dfs->val.lport);
1663                fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(dfs->mask.lport);
1664                memcpy(&fs->h_u.tcp_ip6_spec.ip6src, &dfs->val.fip[0],
1665                       sizeof(fs->h_u.tcp_ip6_spec.ip6src));
1666                memcpy(&fs->m_u.tcp_ip6_spec.ip6src, &dfs->mask.fip[0],
1667                       sizeof(fs->m_u.tcp_ip6_spec.ip6src));
1668                memcpy(&fs->h_u.tcp_ip6_spec.ip6dst, &dfs->val.lip[0],
1669                       sizeof(fs->h_u.tcp_ip6_spec.ip6dst));
1670                memcpy(&fs->m_u.tcp_ip6_spec.ip6dst, &dfs->mask.lip[0],
1671                       sizeof(fs->m_u.tcp_ip6_spec.ip6dst));
1672                fs->h_u.tcp_ip6_spec.tclass = dfs->val.tos;
1673                fs->m_u.tcp_ip6_spec.tclass = dfs->mask.tos;
1674        } else {
1675                fs->h_u.tcp_ip4_spec.psrc = cpu_to_be16(dfs->val.fport);
1676                fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(dfs->mask.fport);
1677                fs->h_u.tcp_ip4_spec.pdst = cpu_to_be16(dfs->val.lport);
1678                fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(dfs->mask.lport);
1679                memcpy(&fs->h_u.tcp_ip4_spec.ip4src, &dfs->val.fip[0],
1680                       sizeof(fs->h_u.tcp_ip4_spec.ip4src));
1681                memcpy(&fs->m_u.tcp_ip4_spec.ip4src, &dfs->mask.fip[0],
1682                       sizeof(fs->m_u.tcp_ip4_spec.ip4src));
1683                memcpy(&fs->h_u.tcp_ip4_spec.ip4dst, &dfs->val.lip[0],
1684                       sizeof(fs->h_u.tcp_ip4_spec.ip4dst));
1685                memcpy(&fs->m_u.tcp_ip4_spec.ip4dst, &dfs->mask.lip[0],
1686                       sizeof(fs->m_u.tcp_ip4_spec.ip4dst));
1687                fs->h_u.tcp_ip4_spec.tos = dfs->val.tos;
1688                fs->m_u.tcp_ip4_spec.tos = dfs->mask.tos;
1689        }
1690        fs->h_ext.vlan_tci = cpu_to_be16(dfs->val.ivlan);
1691        fs->m_ext.vlan_tci = cpu_to_be16(dfs->mask.ivlan);
1692        fs->flow_type |= FLOW_EXT;
1693
1694        if (dfs->action == FILTER_DROP)
1695                fs->ring_cookie = RX_CLS_FLOW_DISC;
1696        else
1697                fs->ring_cookie = dfs->iq;
1698}
1699
1700static int cxgb4_ntuple_get_filter(struct net_device *dev,
1701                                   struct ethtool_rxnfc *cmd,
1702                                   unsigned int loc)
1703{
1704        const struct port_info *pi = netdev_priv(dev);
1705        struct adapter *adap = netdev2adap(dev);
1706        struct filter_entry *f;
1707        int ftid;
1708
1709        if (!(adap->flags & CXGB4_FULL_INIT_DONE))
1710                return -EAGAIN;
1711
1712        /* Check for maximum filter range */
1713        if (!adap->ethtool_filters)
1714                return -EOPNOTSUPP;
1715
1716        if (loc >= adap->ethtool_filters->nentries)
1717                return -ERANGE;
1718
1719        if (!test_bit(loc, adap->ethtool_filters->port[pi->port_id].bmap))
1720                return -ENOENT;
1721
1722        ftid = adap->ethtool_filters->port[pi->port_id].loc_array[loc];
1723
1724        /* Fetch filter_entry */
1725        f = cxgb4_get_filter_entry(adap, ftid);
1726
1727        cxgb4_fill_filter_rule(&cmd->fs, &f->fs);
1728
1729        return 0;
1730}
1731
1732static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
1733                     u32 *rules)
1734{
1735        const struct port_info *pi = netdev_priv(dev);
1736        struct adapter *adap = netdev2adap(dev);
1737        unsigned int count = 0, index = 0;
1738        int ret = 0;
1739
1740        switch (info->cmd) {
1741        case ETHTOOL_GRXFH: {
1742                unsigned int v = pi->rss_mode;
1743
1744                info->data = 0;
1745                switch (info->flow_type) {
1746                case TCP_V4_FLOW:
1747                        if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F)
1748                                info->data = RXH_IP_SRC | RXH_IP_DST |
1749                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1750                        else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1751                                info->data = RXH_IP_SRC | RXH_IP_DST;
1752                        break;
1753                case UDP_V4_FLOW:
1754                        if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) &&
1755                            (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F))
1756                                info->data = RXH_IP_SRC | RXH_IP_DST |
1757                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1758                        else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1759                                info->data = RXH_IP_SRC | RXH_IP_DST;
1760                        break;
1761                case SCTP_V4_FLOW:
1762                case AH_ESP_V4_FLOW:
1763                case IPV4_FLOW:
1764                        if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1765                                info->data = RXH_IP_SRC | RXH_IP_DST;
1766                        break;
1767                case TCP_V6_FLOW:
1768                        if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F)
1769                                info->data = RXH_IP_SRC | RXH_IP_DST |
1770                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1771                        else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1772                                info->data = RXH_IP_SRC | RXH_IP_DST;
1773                        break;
1774                case UDP_V6_FLOW:
1775                        if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) &&
1776                            (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F))
1777                                info->data = RXH_IP_SRC | RXH_IP_DST |
1778                                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
1779                        else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1780                                info->data = RXH_IP_SRC | RXH_IP_DST;
1781                        break;
1782                case SCTP_V6_FLOW:
1783                case AH_ESP_V6_FLOW:
1784                case IPV6_FLOW:
1785                        if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1786                                info->data = RXH_IP_SRC | RXH_IP_DST;
1787                        break;
1788                }
1789                return 0;
1790        }
1791        case ETHTOOL_GRXRINGS:
1792                info->data = pi->nqsets;
1793                return 0;
1794        case ETHTOOL_GRXCLSRLCNT:
1795                info->rule_cnt =
1796                       adap->ethtool_filters->port[pi->port_id].in_use;
1797                return 0;
1798        case ETHTOOL_GRXCLSRULE:
1799                return cxgb4_ntuple_get_filter(dev, info, info->fs.location);
1800        case ETHTOOL_GRXCLSRLALL:
1801                info->data = adap->ethtool_filters->nentries;
1802                while (count < info->rule_cnt) {
1803                        ret = cxgb4_ntuple_get_filter(dev, info, index);
1804                        if (!ret)
1805                                rules[count++] = index;
1806                        index++;
1807                }
1808                return 0;
1809        }
1810
1811        return -EOPNOTSUPP;
1812}
1813
1814static int cxgb4_ntuple_del_filter(struct net_device *dev,
1815                                   struct ethtool_rxnfc *cmd)
1816{
1817        struct cxgb4_ethtool_filter_info *filter_info;
1818        struct adapter *adapter = netdev2adap(dev);
1819        struct port_info *pi = netdev_priv(dev);
1820        struct filter_entry *f;
1821        u32 filter_id;
1822        int ret;
1823
1824        if (!(adapter->flags & CXGB4_FULL_INIT_DONE))
1825                return -EAGAIN;  /* can still change nfilters */
1826
1827        if (!adapter->ethtool_filters)
1828                return -EOPNOTSUPP;
1829
1830        if (cmd->fs.location >= adapter->ethtool_filters->nentries) {
1831                dev_err(adapter->pdev_dev,
1832                        "Location must be < %u",
1833                        adapter->ethtool_filters->nentries);
1834                return -ERANGE;
1835        }
1836
1837        filter_info = &adapter->ethtool_filters->port[pi->port_id];
1838
1839        if (!test_bit(cmd->fs.location, filter_info->bmap))
1840                return -ENOENT;
1841
1842        filter_id = filter_info->loc_array[cmd->fs.location];
1843        f = cxgb4_get_filter_entry(adapter, filter_id);
1844
1845        if (f->fs.prio)
1846                filter_id -= adapter->tids.hpftid_base;
1847        else if (!f->fs.hash)
1848                filter_id -= (adapter->tids.ftid_base - adapter->tids.nhpftids);
1849
1850        ret = cxgb4_flow_rule_destroy(dev, f->fs.tc_prio, &f->fs, filter_id);
1851        if (ret)
1852                goto err;
1853
1854        clear_bit(cmd->fs.location, filter_info->bmap);
1855        filter_info->in_use--;
1856
1857err:
1858        return ret;
1859}
1860
1861/* Add Ethtool n-tuple filters. */
1862static int cxgb4_ntuple_set_filter(struct net_device *netdev,
1863                                   struct ethtool_rxnfc *cmd)
1864{
1865        struct ethtool_rx_flow_spec_input input = {};
1866        struct cxgb4_ethtool_filter_info *filter_info;
1867        struct adapter *adapter = netdev2adap(netdev);
1868        struct port_info *pi = netdev_priv(netdev);
1869        struct ch_filter_specification fs;
1870        struct ethtool_rx_flow_rule *flow;
1871        u32 tid;
1872        int ret;
1873
1874        if (!(adapter->flags & CXGB4_FULL_INIT_DONE))
1875                return -EAGAIN;  /* can still change nfilters */
1876
1877        if (!adapter->ethtool_filters)
1878                return -EOPNOTSUPP;
1879
1880        if (cmd->fs.location >= adapter->ethtool_filters->nentries) {
1881                dev_err(adapter->pdev_dev,
1882                        "Location must be < %u",
1883                        adapter->ethtool_filters->nentries);
1884                return -ERANGE;
1885        }
1886
1887        if (test_bit(cmd->fs.location,
1888                     adapter->ethtool_filters->port[pi->port_id].bmap))
1889                return -EEXIST;
1890
1891        memset(&fs, 0, sizeof(fs));
1892
1893        input.fs = &cmd->fs;
1894        flow = ethtool_rx_flow_rule_create(&input);
1895        if (IS_ERR(flow)) {
1896                ret = PTR_ERR(flow);
1897                goto exit;
1898        }
1899
1900        fs.hitcnts = 1;
1901
1902        ret = cxgb4_flow_rule_replace(netdev, flow->rule, cmd->fs.location,
1903                                      NULL, &fs, &tid);
1904        if (ret)
1905                goto free;
1906
1907        filter_info = &adapter->ethtool_filters->port[pi->port_id];
1908
1909        if (fs.prio)
1910                tid += adapter->tids.hpftid_base;
1911        else if (!fs.hash)
1912                tid += (adapter->tids.ftid_base - adapter->tids.nhpftids);
1913
1914        filter_info->loc_array[cmd->fs.location] = tid;
1915        set_bit(cmd->fs.location, filter_info->bmap);
1916        filter_info->in_use++;
1917
1918free:
1919        ethtool_rx_flow_rule_destroy(flow);
1920exit:
1921        return ret;
1922}
1923
1924static int set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1925{
1926        int ret = -EOPNOTSUPP;
1927
1928        switch (cmd->cmd) {
1929        case ETHTOOL_SRXCLSRLINS:
1930                ret = cxgb4_ntuple_set_filter(dev, cmd);
1931                break;
1932        case ETHTOOL_SRXCLSRLDEL:
1933                ret = cxgb4_ntuple_del_filter(dev, cmd);
1934                break;
1935        default:
1936                break;
1937        }
1938
1939        return ret;
1940}
1941
1942static int set_dump(struct net_device *dev, struct ethtool_dump *eth_dump)
1943{
1944        struct adapter *adapter = netdev2adap(dev);
1945        u32 len = 0;
1946
1947        len = sizeof(struct cudbg_hdr) +
1948              sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY;
1949        len += cxgb4_get_dump_length(adapter, eth_dump->flag);
1950
1951        adapter->eth_dump.flag = eth_dump->flag;
1952        adapter->eth_dump.len = len;
1953        return 0;
1954}
1955
1956static int get_dump_flag(struct net_device *dev, struct ethtool_dump *eth_dump)
1957{
1958        struct adapter *adapter = netdev2adap(dev);
1959
1960        eth_dump->flag = adapter->eth_dump.flag;
1961        eth_dump->len = adapter->eth_dump.len;
1962        eth_dump->version = adapter->eth_dump.version;
1963        return 0;
1964}
1965
1966static int get_dump_data(struct net_device *dev, struct ethtool_dump *eth_dump,
1967                         void *buf)
1968{
1969        struct adapter *adapter = netdev2adap(dev);
1970        u32 len = 0;
1971        int ret = 0;
1972
1973        if (adapter->eth_dump.flag == CXGB4_ETH_DUMP_NONE)
1974                return -ENOENT;
1975
1976        len = sizeof(struct cudbg_hdr) +
1977              sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY;
1978        len += cxgb4_get_dump_length(adapter, adapter->eth_dump.flag);
1979        if (eth_dump->len < len)
1980                return -ENOMEM;
1981
1982        ret = cxgb4_cudbg_collect(adapter, buf, &len, adapter->eth_dump.flag);
1983        if (ret)
1984                return ret;
1985
1986        eth_dump->flag = adapter->eth_dump.flag;
1987        eth_dump->len = len;
1988        eth_dump->version = adapter->eth_dump.version;
1989        return 0;
1990}
1991
1992static int cxgb4_get_module_info(struct net_device *dev,
1993                                 struct ethtool_modinfo *modinfo)
1994{
1995        struct port_info *pi = netdev_priv(dev);
1996        u8 sff8472_comp, sff_diag_type, sff_rev;
1997        struct adapter *adapter = pi->adapter;
1998        int ret;
1999
2000        if (!t4_is_inserted_mod_type(pi->mod_type))
2001                return -EINVAL;
2002
2003        switch (pi->port_type) {
2004        case FW_PORT_TYPE_SFP:
2005        case FW_PORT_TYPE_QSA:
2006        case FW_PORT_TYPE_SFP28:
2007                ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2008                                I2C_DEV_ADDR_A0, SFF_8472_COMP_ADDR,
2009                                SFF_8472_COMP_LEN, &sff8472_comp);
2010                if (ret)
2011                        return ret;
2012                ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2013                                I2C_DEV_ADDR_A0, SFP_DIAG_TYPE_ADDR,
2014                                SFP_DIAG_TYPE_LEN, &sff_diag_type);
2015                if (ret)
2016                        return ret;
2017
2018                if (!sff8472_comp || (sff_diag_type & 4)) {
2019                        modinfo->type = ETH_MODULE_SFF_8079;
2020                        modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
2021                } else {
2022                        modinfo->type = ETH_MODULE_SFF_8472;
2023                        modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2024                }
2025                break;
2026
2027        case FW_PORT_TYPE_QSFP:
2028        case FW_PORT_TYPE_QSFP_10G:
2029        case FW_PORT_TYPE_CR_QSFP:
2030        case FW_PORT_TYPE_CR2_QSFP:
2031        case FW_PORT_TYPE_CR4_QSFP:
2032                ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2033                                I2C_DEV_ADDR_A0, SFF_REV_ADDR,
2034                                SFF_REV_LEN, &sff_rev);
2035                /* For QSFP type ports, revision value >= 3
2036                 * means the SFP is 8636 compliant.
2037                 */
2038                if (ret)
2039                        return ret;
2040                if (sff_rev >= 0x3) {
2041                        modinfo->type = ETH_MODULE_SFF_8636;
2042                        modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2043                } else {
2044                        modinfo->type = ETH_MODULE_SFF_8436;
2045                        modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2046                }
2047                break;
2048
2049        default:
2050                return -EINVAL;
2051        }
2052
2053        return 0;
2054}
2055
2056static int cxgb4_get_module_eeprom(struct net_device *dev,
2057                                   struct ethtool_eeprom *eprom, u8 *data)
2058{
2059        int ret = 0, offset = eprom->offset, len = eprom->len;
2060        struct port_info *pi = netdev_priv(dev);
2061        struct adapter *adapter = pi->adapter;
2062
2063        memset(data, 0, eprom->len);
2064        if (offset + len <= I2C_PAGE_SIZE)
2065                return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2066                                 I2C_DEV_ADDR_A0, offset, len, data);
2067
2068        /* offset + len spans 0xa0 and 0xa1 pages */
2069        if (offset <= I2C_PAGE_SIZE) {
2070                /* read 0xa0 page */
2071                len = I2C_PAGE_SIZE - offset;
2072                ret =  t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan,
2073                                 I2C_DEV_ADDR_A0, offset, len, data);
2074                if (ret)
2075                        return ret;
2076                offset = I2C_PAGE_SIZE;
2077                /* Remaining bytes to be read from second page =
2078                 * Total length - bytes read from first page
2079                 */
2080                len = eprom->len - len;
2081        }
2082        /* Read additional optical diagnostics from page 0xa2 if supported */
2083        return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, I2C_DEV_ADDR_A2,
2084                         offset, len, &data[eprom->len - len]);
2085}
2086
2087static u32 cxgb4_get_priv_flags(struct net_device *netdev)
2088{
2089        struct port_info *pi = netdev_priv(netdev);
2090        struct adapter *adapter = pi->adapter;
2091
2092        return (adapter->eth_flags | pi->eth_flags);
2093}
2094
2095/**
2096 *      set_flags - set/unset specified flags if passed in new_flags
2097 *      @cur_flags: pointer to current flags
2098 *      @new_flags: new incoming flags
2099 *      @flags: set of flags to set/unset
2100 */
2101static inline void set_flags(u32 *cur_flags, u32 new_flags, u32 flags)
2102{
2103        *cur_flags = (*cur_flags & ~flags) | (new_flags & flags);
2104}
2105
2106static int cxgb4_set_priv_flags(struct net_device *netdev, u32 flags)
2107{
2108        struct port_info *pi = netdev_priv(netdev);
2109        struct adapter *adapter = pi->adapter;
2110
2111        set_flags(&adapter->eth_flags, flags, PRIV_FLAGS_ADAP);
2112        set_flags(&pi->eth_flags, flags, PRIV_FLAGS_PORT);
2113
2114        return 0;
2115}
2116
2117static void cxgb4_lb_test(struct net_device *netdev, u64 *lb_status)
2118{
2119        int dev_state = netif_running(netdev);
2120
2121        if (dev_state) {
2122                netif_tx_stop_all_queues(netdev);
2123                netif_carrier_off(netdev);
2124        }
2125
2126        *lb_status = cxgb4_selftest_lb_pkt(netdev);
2127
2128        if (dev_state) {
2129                netif_tx_start_all_queues(netdev);
2130                netif_carrier_on(netdev);
2131        }
2132}
2133
2134static void cxgb4_self_test(struct net_device *netdev,
2135                            struct ethtool_test *eth_test, u64 *data)
2136{
2137        struct port_info *pi = netdev_priv(netdev);
2138        struct adapter *adap = pi->adapter;
2139
2140        memset(data, 0, sizeof(u64) * CXGB4_ETHTOOL_MAX_TEST);
2141
2142        if (!(adap->flags & CXGB4_FULL_INIT_DONE) ||
2143            !(adap->flags & CXGB4_FW_OK)) {
2144                eth_test->flags |= ETH_TEST_FL_FAILED;
2145                return;
2146        }
2147
2148        if (eth_test->flags & ETH_TEST_FL_OFFLINE)
2149                cxgb4_lb_test(netdev, &data[CXGB4_ETHTOOL_LB_TEST]);
2150
2151        if (data[CXGB4_ETHTOOL_LB_TEST])
2152                eth_test->flags |= ETH_TEST_FL_FAILED;
2153}
2154
2155static const struct ethtool_ops cxgb_ethtool_ops = {
2156        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2157                                     ETHTOOL_COALESCE_RX_MAX_FRAMES |
2158                                     ETHTOOL_COALESCE_TX_USECS_IRQ |
2159                                     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
2160        .get_link_ksettings = get_link_ksettings,
2161        .set_link_ksettings = set_link_ksettings,
2162        .get_fecparam      = get_fecparam,
2163        .set_fecparam      = set_fecparam,
2164        .get_drvinfo       = get_drvinfo,
2165        .get_msglevel      = get_msglevel,
2166        .set_msglevel      = set_msglevel,
2167        .get_ringparam     = get_sge_param,
2168        .set_ringparam     = set_sge_param,
2169        .get_coalesce      = get_coalesce,
2170        .set_coalesce      = set_coalesce,
2171        .get_eeprom_len    = get_eeprom_len,
2172        .get_eeprom        = get_eeprom,
2173        .set_eeprom        = set_eeprom,
2174        .get_pauseparam    = get_pauseparam,
2175        .set_pauseparam    = set_pauseparam,
2176        .get_link          = ethtool_op_get_link,
2177        .get_strings       = get_strings,
2178        .set_phys_id       = identify_port,
2179        .nway_reset        = restart_autoneg,
2180        .get_sset_count    = get_sset_count,
2181        .get_ethtool_stats = get_stats,
2182        .get_regs_len      = get_regs_len,
2183        .get_regs          = get_regs,
2184        .get_rxnfc         = get_rxnfc,
2185        .set_rxnfc         = set_rxnfc,
2186        .get_rxfh_indir_size = get_rss_table_size,
2187        .get_rxfh          = get_rss_table,
2188        .set_rxfh          = set_rss_table,
2189        .self_test         = cxgb4_self_test,
2190        .flash_device      = set_flash,
2191        .get_ts_info       = get_ts_info,
2192        .set_dump          = set_dump,
2193        .get_dump_flag     = get_dump_flag,
2194        .get_dump_data     = get_dump_data,
2195        .get_module_info   = cxgb4_get_module_info,
2196        .get_module_eeprom = cxgb4_get_module_eeprom,
2197        .get_priv_flags    = cxgb4_get_priv_flags,
2198        .set_priv_flags    = cxgb4_set_priv_flags,
2199};
2200
2201void cxgb4_cleanup_ethtool_filters(struct adapter *adap)
2202{
2203        struct cxgb4_ethtool_filter_info *eth_filter_info;
2204        u8 i;
2205
2206        if (!adap->ethtool_filters)
2207                return;
2208
2209        eth_filter_info = adap->ethtool_filters->port;
2210
2211        if (eth_filter_info) {
2212                for (i = 0; i < adap->params.nports; i++) {
2213                        kvfree(eth_filter_info[i].loc_array);
2214                        kfree(eth_filter_info[i].bmap);
2215                }
2216                kfree(eth_filter_info);
2217        }
2218
2219        kfree(adap->ethtool_filters);
2220}
2221
2222int cxgb4_init_ethtool_filters(struct adapter *adap)
2223{
2224        struct cxgb4_ethtool_filter_info *eth_filter_info;
2225        struct cxgb4_ethtool_filter *eth_filter;
2226        struct tid_info *tids = &adap->tids;
2227        u32 nentries, i;
2228        int ret;
2229
2230        eth_filter = kzalloc(sizeof(*eth_filter), GFP_KERNEL);
2231        if (!eth_filter)
2232                return -ENOMEM;
2233
2234        eth_filter_info = kcalloc(adap->params.nports,
2235                                  sizeof(*eth_filter_info),
2236                                  GFP_KERNEL);
2237        if (!eth_filter_info) {
2238                ret = -ENOMEM;
2239                goto free_eth_filter;
2240        }
2241
2242        eth_filter->port = eth_filter_info;
2243
2244        nentries = tids->nhpftids + tids->nftids;
2245        if (is_hashfilter(adap))
2246                nentries += tids->nhash +
2247                            (adap->tids.stid_base - adap->tids.tid_base);
2248        eth_filter->nentries = nentries;
2249
2250        for (i = 0; i < adap->params.nports; i++) {
2251                eth_filter->port[i].loc_array = kvzalloc(nentries, GFP_KERNEL);
2252                if (!eth_filter->port[i].loc_array) {
2253                        ret = -ENOMEM;
2254                        goto free_eth_finfo;
2255                }
2256
2257                eth_filter->port[i].bmap = kcalloc(BITS_TO_LONGS(nentries),
2258                                                   sizeof(unsigned long),
2259                                                   GFP_KERNEL);
2260                if (!eth_filter->port[i].bmap) {
2261                        ret = -ENOMEM;
2262                        goto free_eth_finfo;
2263                }
2264        }
2265
2266        adap->ethtool_filters = eth_filter;
2267        return 0;
2268
2269free_eth_finfo:
2270        while (i-- > 0) {
2271                kfree(eth_filter->port[i].bmap);
2272                kvfree(eth_filter->port[i].loc_array);
2273        }
2274        kfree(eth_filter_info);
2275
2276free_eth_filter:
2277        kfree(eth_filter);
2278
2279        return ret;
2280}
2281
2282void cxgb4_set_ethtool_ops(struct net_device *netdev)
2283{
2284        netdev->ethtool_ops = &cxgb_ethtool_ops;
2285}
2286