linux/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
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   1/* QLogic qede NIC Driver
   2 * Copyright (c) 2015-2017  QLogic Corporation
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and /or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 */
  32#include <linux/version.h>
  33#include <linux/types.h>
  34#include <linux/netdevice.h>
  35#include <linux/etherdevice.h>
  36#include <linux/ethtool.h>
  37#include <linux/string.h>
  38#include <linux/pci.h>
  39#include <linux/capability.h>
  40#include <linux/vmalloc.h>
  41#include "qede.h"
  42#include "qede_ptp.h"
  43
  44#define QEDE_RQSTAT_OFFSET(stat_name) \
  45         (offsetof(struct qede_rx_queue, stat_name))
  46#define QEDE_RQSTAT_STRING(stat_name) (#stat_name)
  47#define QEDE_RQSTAT(stat_name) \
  48         {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)}
  49
  50#define QEDE_SELFTEST_POLL_COUNT 100
  51#define QEDE_DUMP_VERSION       0x1
  52#define QEDE_DUMP_NVM_ARG_COUNT 2
  53
  54static const struct {
  55        u64 offset;
  56        char string[ETH_GSTRING_LEN];
  57} qede_rqstats_arr[] = {
  58        QEDE_RQSTAT(rcv_pkts),
  59        QEDE_RQSTAT(rx_hw_errors),
  60        QEDE_RQSTAT(rx_alloc_errors),
  61        QEDE_RQSTAT(rx_ip_frags),
  62        QEDE_RQSTAT(xdp_no_pass),
  63};
  64
  65#define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr)
  66#define QEDE_TQSTAT_OFFSET(stat_name) \
  67        (offsetof(struct qede_tx_queue, stat_name))
  68#define QEDE_TQSTAT_STRING(stat_name) (#stat_name)
  69#define QEDE_TQSTAT(stat_name) \
  70        {QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)}
  71#define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr)
  72static const struct {
  73        u64 offset;
  74        char string[ETH_GSTRING_LEN];
  75} qede_tqstats_arr[] = {
  76        QEDE_TQSTAT(xmit_pkts),
  77        QEDE_TQSTAT(stopped_cnt),
  78        QEDE_TQSTAT(tx_mem_alloc_err),
  79};
  80
  81#define QEDE_STAT_OFFSET(stat_name, type, base) \
  82        (offsetof(type, stat_name) + (base))
  83#define QEDE_STAT_STRING(stat_name)     (#stat_name)
  84#define _QEDE_STAT(stat_name, type, base, attr) \
  85        {QEDE_STAT_OFFSET(stat_name, type, base), \
  86         QEDE_STAT_STRING(stat_name), \
  87         attr}
  88#define QEDE_STAT(stat_name) \
  89        _QEDE_STAT(stat_name, struct qede_stats_common, 0, 0x0)
  90#define QEDE_PF_STAT(stat_name) \
  91        _QEDE_STAT(stat_name, struct qede_stats_common, 0, \
  92                   BIT(QEDE_STAT_PF_ONLY))
  93#define QEDE_PF_BB_STAT(stat_name) \
  94        _QEDE_STAT(stat_name, struct qede_stats_bb, \
  95                   offsetof(struct qede_stats, bb), \
  96                   BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_BB_ONLY))
  97#define QEDE_PF_AH_STAT(stat_name) \
  98        _QEDE_STAT(stat_name, struct qede_stats_ah, \
  99                   offsetof(struct qede_stats, ah), \
 100                   BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_AH_ONLY))
 101static const struct {
 102        u64 offset;
 103        char string[ETH_GSTRING_LEN];
 104        unsigned long attr;
 105#define QEDE_STAT_PF_ONLY       0
 106#define QEDE_STAT_BB_ONLY       1
 107#define QEDE_STAT_AH_ONLY       2
 108} qede_stats_arr[] = {
 109        QEDE_STAT(rx_ucast_bytes),
 110        QEDE_STAT(rx_mcast_bytes),
 111        QEDE_STAT(rx_bcast_bytes),
 112        QEDE_STAT(rx_ucast_pkts),
 113        QEDE_STAT(rx_mcast_pkts),
 114        QEDE_STAT(rx_bcast_pkts),
 115
 116        QEDE_STAT(tx_ucast_bytes),
 117        QEDE_STAT(tx_mcast_bytes),
 118        QEDE_STAT(tx_bcast_bytes),
 119        QEDE_STAT(tx_ucast_pkts),
 120        QEDE_STAT(tx_mcast_pkts),
 121        QEDE_STAT(tx_bcast_pkts),
 122
 123        QEDE_PF_STAT(rx_64_byte_packets),
 124        QEDE_PF_STAT(rx_65_to_127_byte_packets),
 125        QEDE_PF_STAT(rx_128_to_255_byte_packets),
 126        QEDE_PF_STAT(rx_256_to_511_byte_packets),
 127        QEDE_PF_STAT(rx_512_to_1023_byte_packets),
 128        QEDE_PF_STAT(rx_1024_to_1518_byte_packets),
 129        QEDE_PF_BB_STAT(rx_1519_to_1522_byte_packets),
 130        QEDE_PF_BB_STAT(rx_1519_to_2047_byte_packets),
 131        QEDE_PF_BB_STAT(rx_2048_to_4095_byte_packets),
 132        QEDE_PF_BB_STAT(rx_4096_to_9216_byte_packets),
 133        QEDE_PF_BB_STAT(rx_9217_to_16383_byte_packets),
 134        QEDE_PF_AH_STAT(rx_1519_to_max_byte_packets),
 135        QEDE_PF_STAT(tx_64_byte_packets),
 136        QEDE_PF_STAT(tx_65_to_127_byte_packets),
 137        QEDE_PF_STAT(tx_128_to_255_byte_packets),
 138        QEDE_PF_STAT(tx_256_to_511_byte_packets),
 139        QEDE_PF_STAT(tx_512_to_1023_byte_packets),
 140        QEDE_PF_STAT(tx_1024_to_1518_byte_packets),
 141        QEDE_PF_BB_STAT(tx_1519_to_2047_byte_packets),
 142        QEDE_PF_BB_STAT(tx_2048_to_4095_byte_packets),
 143        QEDE_PF_BB_STAT(tx_4096_to_9216_byte_packets),
 144        QEDE_PF_BB_STAT(tx_9217_to_16383_byte_packets),
 145        QEDE_PF_AH_STAT(tx_1519_to_max_byte_packets),
 146        QEDE_PF_STAT(rx_mac_crtl_frames),
 147        QEDE_PF_STAT(tx_mac_ctrl_frames),
 148        QEDE_PF_STAT(rx_pause_frames),
 149        QEDE_PF_STAT(tx_pause_frames),
 150        QEDE_PF_STAT(rx_pfc_frames),
 151        QEDE_PF_STAT(tx_pfc_frames),
 152
 153        QEDE_PF_STAT(rx_crc_errors),
 154        QEDE_PF_STAT(rx_align_errors),
 155        QEDE_PF_STAT(rx_carrier_errors),
 156        QEDE_PF_STAT(rx_oversize_packets),
 157        QEDE_PF_STAT(rx_jabbers),
 158        QEDE_PF_STAT(rx_undersize_packets),
 159        QEDE_PF_STAT(rx_fragments),
 160        QEDE_PF_BB_STAT(tx_lpi_entry_count),
 161        QEDE_PF_BB_STAT(tx_total_collisions),
 162        QEDE_PF_STAT(brb_truncates),
 163        QEDE_PF_STAT(brb_discards),
 164        QEDE_STAT(no_buff_discards),
 165        QEDE_PF_STAT(mftag_filter_discards),
 166        QEDE_PF_STAT(mac_filter_discards),
 167        QEDE_PF_STAT(gft_filter_drop),
 168        QEDE_STAT(tx_err_drop_pkts),
 169        QEDE_STAT(ttl0_discard),
 170        QEDE_STAT(packet_too_big_discard),
 171
 172        QEDE_STAT(coalesced_pkts),
 173        QEDE_STAT(coalesced_events),
 174        QEDE_STAT(coalesced_aborts_num),
 175        QEDE_STAT(non_coalesced_pkts),
 176        QEDE_STAT(coalesced_bytes),
 177
 178        QEDE_STAT(link_change_count),
 179        QEDE_STAT(ptp_skip_txts),
 180};
 181
 182#define QEDE_NUM_STATS  ARRAY_SIZE(qede_stats_arr)
 183#define QEDE_STAT_IS_PF_ONLY(i) \
 184        test_bit(QEDE_STAT_PF_ONLY, &qede_stats_arr[i].attr)
 185#define QEDE_STAT_IS_BB_ONLY(i) \
 186        test_bit(QEDE_STAT_BB_ONLY, &qede_stats_arr[i].attr)
 187#define QEDE_STAT_IS_AH_ONLY(i) \
 188        test_bit(QEDE_STAT_AH_ONLY, &qede_stats_arr[i].attr)
 189
 190enum {
 191        QEDE_PRI_FLAG_CMT,
 192        QEDE_PRI_FLAG_SMART_AN_SUPPORT, /* MFW supports SmartAN */
 193        QEDE_PRI_FLAG_LEN,
 194};
 195
 196static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
 197        "Coupled-Function",
 198        "SmartAN capable",
 199};
 200
 201enum qede_ethtool_tests {
 202        QEDE_ETHTOOL_INT_LOOPBACK,
 203        QEDE_ETHTOOL_INTERRUPT_TEST,
 204        QEDE_ETHTOOL_MEMORY_TEST,
 205        QEDE_ETHTOOL_REGISTER_TEST,
 206        QEDE_ETHTOOL_CLOCK_TEST,
 207        QEDE_ETHTOOL_NVRAM_TEST,
 208        QEDE_ETHTOOL_TEST_MAX
 209};
 210
 211static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = {
 212        "Internal loopback (offline)",
 213        "Interrupt (online)\t",
 214        "Memory (online)\t\t",
 215        "Register (online)\t",
 216        "Clock (online)\t\t",
 217        "Nvram (online)\t\t",
 218};
 219
 220static void qede_get_strings_stats_txq(struct qede_dev *edev,
 221                                       struct qede_tx_queue *txq, u8 **buf)
 222{
 223        int i;
 224
 225        for (i = 0; i < QEDE_NUM_TQSTATS; i++) {
 226                if (txq->is_xdp)
 227                        sprintf(*buf, "%d [XDP]: %s",
 228                                QEDE_TXQ_XDP_TO_IDX(edev, txq),
 229                                qede_tqstats_arr[i].string);
 230                else
 231                        sprintf(*buf, "%d_%d: %s", txq->index, txq->cos,
 232                                qede_tqstats_arr[i].string);
 233                *buf += ETH_GSTRING_LEN;
 234        }
 235}
 236
 237static void qede_get_strings_stats_rxq(struct qede_dev *edev,
 238                                       struct qede_rx_queue *rxq, u8 **buf)
 239{
 240        int i;
 241
 242        for (i = 0; i < QEDE_NUM_RQSTATS; i++) {
 243                sprintf(*buf, "%d: %s", rxq->rxq_id,
 244                        qede_rqstats_arr[i].string);
 245                *buf += ETH_GSTRING_LEN;
 246        }
 247}
 248
 249static bool qede_is_irrelevant_stat(struct qede_dev *edev, int stat_index)
 250{
 251        return (IS_VF(edev) && QEDE_STAT_IS_PF_ONLY(stat_index)) ||
 252               (QEDE_IS_BB(edev) && QEDE_STAT_IS_AH_ONLY(stat_index)) ||
 253               (QEDE_IS_AH(edev) && QEDE_STAT_IS_BB_ONLY(stat_index));
 254}
 255
 256static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf)
 257{
 258        struct qede_fastpath *fp;
 259        int i;
 260
 261        /* Account for queue statistics */
 262        for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
 263                fp = &edev->fp_array[i];
 264
 265                if (fp->type & QEDE_FASTPATH_RX)
 266                        qede_get_strings_stats_rxq(edev, fp->rxq, &buf);
 267
 268                if (fp->type & QEDE_FASTPATH_XDP)
 269                        qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf);
 270
 271                if (fp->type & QEDE_FASTPATH_TX) {
 272                        int cos;
 273
 274                        for_each_cos_in_txq(edev, cos)
 275                                qede_get_strings_stats_txq(edev,
 276                                                           &fp->txq[cos], &buf);
 277                }
 278        }
 279
 280        /* Account for non-queue statistics */
 281        for (i = 0; i < QEDE_NUM_STATS; i++) {
 282                if (qede_is_irrelevant_stat(edev, i))
 283                        continue;
 284                strcpy(buf, qede_stats_arr[i].string);
 285                buf += ETH_GSTRING_LEN;
 286        }
 287}
 288
 289static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 290{
 291        struct qede_dev *edev = netdev_priv(dev);
 292
 293        switch (stringset) {
 294        case ETH_SS_STATS:
 295                qede_get_strings_stats(edev, buf);
 296                break;
 297        case ETH_SS_PRIV_FLAGS:
 298                memcpy(buf, qede_private_arr,
 299                       ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN);
 300                break;
 301        case ETH_SS_TEST:
 302                memcpy(buf, qede_tests_str_arr,
 303                       ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX);
 304                break;
 305        default:
 306                DP_VERBOSE(edev, QED_MSG_DEBUG,
 307                           "Unsupported stringset 0x%08x\n", stringset);
 308        }
 309}
 310
 311static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf)
 312{
 313        int i;
 314
 315        for (i = 0; i < QEDE_NUM_TQSTATS; i++) {
 316                **buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset));
 317                (*buf)++;
 318        }
 319}
 320
 321static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf)
 322{
 323        int i;
 324
 325        for (i = 0; i < QEDE_NUM_RQSTATS; i++) {
 326                **buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset));
 327                (*buf)++;
 328        }
 329}
 330
 331static void qede_get_ethtool_stats(struct net_device *dev,
 332                                   struct ethtool_stats *stats, u64 *buf)
 333{
 334        struct qede_dev *edev = netdev_priv(dev);
 335        struct qede_fastpath *fp;
 336        int i;
 337
 338        qede_fill_by_demand_stats(edev);
 339
 340        /* Need to protect the access to the fastpath array */
 341        __qede_lock(edev);
 342
 343        for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
 344                fp = &edev->fp_array[i];
 345
 346                if (fp->type & QEDE_FASTPATH_RX)
 347                        qede_get_ethtool_stats_rxq(fp->rxq, &buf);
 348
 349                if (fp->type & QEDE_FASTPATH_XDP)
 350                        qede_get_ethtool_stats_txq(fp->xdp_tx, &buf);
 351
 352                if (fp->type & QEDE_FASTPATH_TX) {
 353                        int cos;
 354
 355                        for_each_cos_in_txq(edev, cos)
 356                                qede_get_ethtool_stats_txq(&fp->txq[cos], &buf);
 357                }
 358        }
 359
 360        for (i = 0; i < QEDE_NUM_STATS; i++) {
 361                if (qede_is_irrelevant_stat(edev, i))
 362                        continue;
 363                *buf = *((u64 *)(((void *)&edev->stats) +
 364                                 qede_stats_arr[i].offset));
 365
 366                buf++;
 367        }
 368
 369        __qede_unlock(edev);
 370}
 371
 372static int qede_get_sset_count(struct net_device *dev, int stringset)
 373{
 374        struct qede_dev *edev = netdev_priv(dev);
 375        int num_stats = QEDE_NUM_STATS, i;
 376
 377        switch (stringset) {
 378        case ETH_SS_STATS:
 379                for (i = 0; i < QEDE_NUM_STATS; i++)
 380                        if (qede_is_irrelevant_stat(edev, i))
 381                                num_stats--;
 382
 383                /* Account for the Regular Tx statistics */
 384                num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS *
 385                                edev->dev_info.num_tc;
 386
 387                /* Account for the Regular Rx statistics */
 388                num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS;
 389
 390                /* Account for XDP statistics [if needed] */
 391                if (edev->xdp_prog)
 392                        num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS;
 393                return num_stats;
 394
 395        case ETH_SS_PRIV_FLAGS:
 396                return QEDE_PRI_FLAG_LEN;
 397        case ETH_SS_TEST:
 398                if (!IS_VF(edev))
 399                        return QEDE_ETHTOOL_TEST_MAX;
 400                else
 401                        return 0;
 402        default:
 403                DP_VERBOSE(edev, QED_MSG_DEBUG,
 404                           "Unsupported stringset 0x%08x\n", stringset);
 405                return -EINVAL;
 406        }
 407}
 408
 409static u32 qede_get_priv_flags(struct net_device *dev)
 410{
 411        struct qede_dev *edev = netdev_priv(dev);
 412        u32 flags = 0;
 413
 414        if (edev->dev_info.common.num_hwfns > 1)
 415                flags |= BIT(QEDE_PRI_FLAG_CMT);
 416
 417        if (edev->dev_info.common.smart_an)
 418                flags |= BIT(QEDE_PRI_FLAG_SMART_AN_SUPPORT);
 419
 420        return flags;
 421}
 422
 423struct qede_link_mode_mapping {
 424        u32 qed_link_mode;
 425        u32 ethtool_link_mode;
 426};
 427
 428static const struct qede_link_mode_mapping qed_lm_map[] = {
 429        {QED_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT},
 430        {QED_LM_Autoneg_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT},
 431        {QED_LM_Asym_Pause_BIT, ETHTOOL_LINK_MODE_Asym_Pause_BIT},
 432        {QED_LM_Pause_BIT, ETHTOOL_LINK_MODE_Pause_BIT},
 433        {QED_LM_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
 434        {QED_LM_10000baseT_Full_BIT, ETHTOOL_LINK_MODE_10000baseT_Full_BIT},
 435        {QED_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT},
 436        {QED_LM_Backplane_BIT, ETHTOOL_LINK_MODE_Backplane_BIT},
 437        {QED_LM_1000baseKX_Full_BIT, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT},
 438        {QED_LM_10000baseKX4_Full_BIT, ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT},
 439        {QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
 440        {QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
 441        {QED_LM_10000baseR_FEC_BIT, ETHTOOL_LINK_MODE_10000baseR_FEC_BIT},
 442        {QED_LM_20000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT},
 443        {QED_LM_40000baseKR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT},
 444        {QED_LM_40000baseCR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT},
 445        {QED_LM_40000baseSR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT},
 446        {QED_LM_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT},
 447        {QED_LM_25000baseCR_Full_BIT, ETHTOOL_LINK_MODE_25000baseCR_Full_BIT},
 448        {QED_LM_25000baseKR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT},
 449        {QED_LM_25000baseSR_Full_BIT, ETHTOOL_LINK_MODE_25000baseSR_Full_BIT},
 450        {QED_LM_50000baseCR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT},
 451        {QED_LM_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT},
 452        {QED_LM_100000baseKR4_Full_BIT,
 453                ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT},
 454        {QED_LM_100000baseSR4_Full_BIT,
 455                ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT},
 456        {QED_LM_100000baseCR4_Full_BIT,
 457                ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT},
 458        {QED_LM_100000baseLR4_ER4_Full_BIT,
 459                ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT},
 460        {QED_LM_50000baseSR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT},
 461        {QED_LM_1000baseX_Full_BIT, ETHTOOL_LINK_MODE_1000baseX_Full_BIT},
 462        {QED_LM_10000baseCR_Full_BIT, ETHTOOL_LINK_MODE_10000baseCR_Full_BIT},
 463        {QED_LM_10000baseSR_Full_BIT, ETHTOOL_LINK_MODE_10000baseSR_Full_BIT},
 464        {QED_LM_10000baseLR_Full_BIT, ETHTOOL_LINK_MODE_10000baseLR_Full_BIT},
 465        {QED_LM_10000baseLRM_Full_BIT, ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT},
 466};
 467
 468#define QEDE_DRV_TO_ETHTOOL_CAPS(caps, lk_ksettings, name)      \
 469{                                                               \
 470        int i;                                                  \
 471                                                                \
 472        for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) {          \
 473                if ((caps) & (qed_lm_map[i].qed_link_mode))     \
 474                        __set_bit(qed_lm_map[i].ethtool_link_mode,\
 475                                  lk_ksettings->link_modes.name); \
 476        }                                                       \
 477}
 478
 479#define QEDE_ETHTOOL_TO_DRV_CAPS(caps, lk_ksettings, name)      \
 480{                                                               \
 481        int i;                                                  \
 482                                                                \
 483        for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) {          \
 484                if (test_bit(qed_lm_map[i].ethtool_link_mode,   \
 485                             lk_ksettings->link_modes.name))    \
 486                        caps |= qed_lm_map[i].qed_link_mode;    \
 487        }                                                       \
 488}
 489
 490static int qede_get_link_ksettings(struct net_device *dev,
 491                                   struct ethtool_link_ksettings *cmd)
 492{
 493        struct ethtool_link_settings *base = &cmd->base;
 494        struct qede_dev *edev = netdev_priv(dev);
 495        struct qed_link_output current_link;
 496
 497        __qede_lock(edev);
 498
 499        memset(&current_link, 0, sizeof(current_link));
 500        edev->ops->common->get_link(edev->cdev, &current_link);
 501
 502        ethtool_link_ksettings_zero_link_mode(cmd, supported);
 503        QEDE_DRV_TO_ETHTOOL_CAPS(current_link.supported_caps, cmd, supported)
 504
 505        ethtool_link_ksettings_zero_link_mode(cmd, advertising);
 506        QEDE_DRV_TO_ETHTOOL_CAPS(current_link.advertised_caps, cmd, advertising)
 507
 508        ethtool_link_ksettings_zero_link_mode(cmd, lp_advertising);
 509        QEDE_DRV_TO_ETHTOOL_CAPS(current_link.lp_caps, cmd, lp_advertising)
 510
 511        if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) {
 512                base->speed = current_link.speed;
 513                base->duplex = current_link.duplex;
 514        } else {
 515                base->speed = SPEED_UNKNOWN;
 516                base->duplex = DUPLEX_UNKNOWN;
 517        }
 518
 519        __qede_unlock(edev);
 520
 521        base->port = current_link.port;
 522        base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE :
 523                        AUTONEG_DISABLE;
 524
 525        return 0;
 526}
 527
 528static int qede_set_link_ksettings(struct net_device *dev,
 529                                   const struct ethtool_link_ksettings *cmd)
 530{
 531        const struct ethtool_link_settings *base = &cmd->base;
 532        struct qede_dev *edev = netdev_priv(dev);
 533        struct qed_link_output current_link;
 534        struct qed_link_params params;
 535        u32 sup_caps;
 536
 537        if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
 538                DP_INFO(edev, "Link settings are not allowed to be changed\n");
 539                return -EOPNOTSUPP;
 540        }
 541        memset(&current_link, 0, sizeof(current_link));
 542        memset(&params, 0, sizeof(params));
 543        edev->ops->common->get_link(edev->cdev, &current_link);
 544
 545        params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS;
 546        params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG;
 547        if (base->autoneg == AUTONEG_ENABLE) {
 548                if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
 549                        DP_INFO(edev, "Auto negotiation is not supported\n");
 550                        return -EOPNOTSUPP;
 551                }
 552
 553                params.autoneg = true;
 554                params.forced_speed = 0;
 555                QEDE_ETHTOOL_TO_DRV_CAPS(params.adv_speeds, cmd, advertising)
 556        } else {                /* forced speed */
 557                params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED;
 558                params.autoneg = false;
 559                params.forced_speed = base->speed;
 560                switch (base->speed) {
 561                case SPEED_1000:
 562                        sup_caps = QED_LM_1000baseT_Full_BIT |
 563                                        QED_LM_1000baseKX_Full_BIT |
 564                                        QED_LM_1000baseX_Full_BIT;
 565                        if (!(current_link.supported_caps & sup_caps)) {
 566                                DP_INFO(edev, "1G speed not supported\n");
 567                                return -EINVAL;
 568                        }
 569                        params.adv_speeds = current_link.supported_caps &
 570                                                sup_caps;
 571                        break;
 572                case SPEED_10000:
 573                        sup_caps = QED_LM_10000baseT_Full_BIT |
 574                                        QED_LM_10000baseKR_Full_BIT |
 575                                        QED_LM_10000baseKX4_Full_BIT |
 576                                        QED_LM_10000baseR_FEC_BIT |
 577                                        QED_LM_10000baseCR_Full_BIT |
 578                                        QED_LM_10000baseSR_Full_BIT |
 579                                        QED_LM_10000baseLR_Full_BIT |
 580                                        QED_LM_10000baseLRM_Full_BIT;
 581                        if (!(current_link.supported_caps & sup_caps)) {
 582                                DP_INFO(edev, "10G speed not supported\n");
 583                                return -EINVAL;
 584                        }
 585                        params.adv_speeds = current_link.supported_caps &
 586                                                sup_caps;
 587                        break;
 588                case SPEED_20000:
 589                        if (!(current_link.supported_caps &
 590                            QED_LM_20000baseKR2_Full_BIT)) {
 591                                DP_INFO(edev, "20G speed not supported\n");
 592                                return -EINVAL;
 593                        }
 594                        params.adv_speeds = QED_LM_20000baseKR2_Full_BIT;
 595                        break;
 596                case SPEED_25000:
 597                        sup_caps = QED_LM_25000baseKR_Full_BIT |
 598                                        QED_LM_25000baseCR_Full_BIT |
 599                                        QED_LM_25000baseSR_Full_BIT;
 600                        if (!(current_link.supported_caps & sup_caps)) {
 601                                DP_INFO(edev, "25G speed not supported\n");
 602                                return -EINVAL;
 603                        }
 604                        params.adv_speeds = current_link.supported_caps &
 605                                                sup_caps;
 606                        break;
 607                case SPEED_40000:
 608                        sup_caps = QED_LM_40000baseLR4_Full_BIT |
 609                                        QED_LM_40000baseKR4_Full_BIT |
 610                                        QED_LM_40000baseCR4_Full_BIT |
 611                                        QED_LM_40000baseSR4_Full_BIT;
 612                        if (!(current_link.supported_caps & sup_caps)) {
 613                                DP_INFO(edev, "40G speed not supported\n");
 614                                return -EINVAL;
 615                        }
 616                        params.adv_speeds = current_link.supported_caps &
 617                                                sup_caps;
 618                        break;
 619                case SPEED_50000:
 620                        sup_caps = QED_LM_50000baseKR2_Full_BIT |
 621                                        QED_LM_50000baseCR2_Full_BIT |
 622                                        QED_LM_50000baseSR2_Full_BIT;
 623                        if (!(current_link.supported_caps & sup_caps)) {
 624                                DP_INFO(edev, "50G speed not supported\n");
 625                                return -EINVAL;
 626                        }
 627                        params.adv_speeds = current_link.supported_caps &
 628                                                sup_caps;
 629                        break;
 630                case SPEED_100000:
 631                        sup_caps = QED_LM_100000baseKR4_Full_BIT |
 632                                        QED_LM_100000baseSR4_Full_BIT |
 633                                        QED_LM_100000baseCR4_Full_BIT |
 634                                        QED_LM_100000baseLR4_ER4_Full_BIT;
 635                        if (!(current_link.supported_caps & sup_caps)) {
 636                                DP_INFO(edev, "100G speed not supported\n");
 637                                return -EINVAL;
 638                        }
 639                        params.adv_speeds = current_link.supported_caps &
 640                                                sup_caps;
 641                        break;
 642                default:
 643                        DP_INFO(edev, "Unsupported speed %u\n", base->speed);
 644                        return -EINVAL;
 645                }
 646        }
 647
 648        params.link_up = true;
 649        edev->ops->common->set_link(edev->cdev, &params);
 650
 651        return 0;
 652}
 653
 654static void qede_get_drvinfo(struct net_device *ndev,
 655                             struct ethtool_drvinfo *info)
 656{
 657        char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN];
 658        struct qede_dev *edev = netdev_priv(ndev);
 659        char mbi[ETHTOOL_FWVERS_LEN];
 660
 661        strlcpy(info->driver, "qede", sizeof(info->driver));
 662
 663        snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
 664                 edev->dev_info.common.fw_major,
 665                 edev->dev_info.common.fw_minor,
 666                 edev->dev_info.common.fw_rev,
 667                 edev->dev_info.common.fw_eng);
 668
 669        snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
 670                 (edev->dev_info.common.mfw_rev >> 24) & 0xFF,
 671                 (edev->dev_info.common.mfw_rev >> 16) & 0xFF,
 672                 (edev->dev_info.common.mfw_rev >> 8) & 0xFF,
 673                 edev->dev_info.common.mfw_rev & 0xFF);
 674
 675        if ((strlen(storm) + strlen(DRV_MODULE_VERSION) + strlen("[storm]  ")) <
 676            sizeof(info->version))
 677                snprintf(info->version, sizeof(info->version),
 678                         "%s [storm %s]", DRV_MODULE_VERSION, storm);
 679        else
 680                snprintf(info->version, sizeof(info->version),
 681                         "%s %s", DRV_MODULE_VERSION, storm);
 682
 683        if (edev->dev_info.common.mbi_version) {
 684                snprintf(mbi, ETHTOOL_FWVERS_LEN, "%d.%d.%d",
 685                         (edev->dev_info.common.mbi_version &
 686                          QED_MBI_VERSION_2_MASK) >> QED_MBI_VERSION_2_OFFSET,
 687                         (edev->dev_info.common.mbi_version &
 688                          QED_MBI_VERSION_1_MASK) >> QED_MBI_VERSION_1_OFFSET,
 689                         (edev->dev_info.common.mbi_version &
 690                          QED_MBI_VERSION_0_MASK) >> QED_MBI_VERSION_0_OFFSET);
 691                snprintf(info->fw_version, sizeof(info->fw_version),
 692                         "mbi %s [mfw %s]", mbi, mfw);
 693        } else {
 694                snprintf(info->fw_version, sizeof(info->fw_version),
 695                         "mfw %s", mfw);
 696        }
 697
 698        strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info));
 699}
 700
 701static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 702{
 703        struct qede_dev *edev = netdev_priv(ndev);
 704
 705        if (edev->dev_info.common.wol_support) {
 706                wol->supported = WAKE_MAGIC;
 707                wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0;
 708        }
 709}
 710
 711static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 712{
 713        struct qede_dev *edev = netdev_priv(ndev);
 714        bool wol_requested;
 715        int rc;
 716
 717        if (wol->wolopts & ~WAKE_MAGIC) {
 718                DP_INFO(edev,
 719                        "Can't support WoL options other than magic-packet\n");
 720                return -EINVAL;
 721        }
 722
 723        wol_requested = !!(wol->wolopts & WAKE_MAGIC);
 724        if (wol_requested == edev->wol_enabled)
 725                return 0;
 726
 727        /* Need to actually change configuration */
 728        if (!edev->dev_info.common.wol_support) {
 729                DP_INFO(edev, "Device doesn't support WoL\n");
 730                return -EINVAL;
 731        }
 732
 733        rc = edev->ops->common->update_wol(edev->cdev, wol_requested);
 734        if (!rc)
 735                edev->wol_enabled = wol_requested;
 736
 737        return rc;
 738}
 739
 740static u32 qede_get_msglevel(struct net_device *ndev)
 741{
 742        struct qede_dev *edev = netdev_priv(ndev);
 743
 744        return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module;
 745}
 746
 747static void qede_set_msglevel(struct net_device *ndev, u32 level)
 748{
 749        struct qede_dev *edev = netdev_priv(ndev);
 750        u32 dp_module = 0;
 751        u8 dp_level = 0;
 752
 753        qede_config_debug(level, &dp_module, &dp_level);
 754
 755        edev->dp_level = dp_level;
 756        edev->dp_module = dp_module;
 757        edev->ops->common->update_msglvl(edev->cdev,
 758                                         dp_module, dp_level);
 759}
 760
 761static int qede_nway_reset(struct net_device *dev)
 762{
 763        struct qede_dev *edev = netdev_priv(dev);
 764        struct qed_link_output current_link;
 765        struct qed_link_params link_params;
 766
 767        if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
 768                DP_INFO(edev, "Link settings are not allowed to be changed\n");
 769                return -EOPNOTSUPP;
 770        }
 771
 772        if (!netif_running(dev))
 773                return 0;
 774
 775        memset(&current_link, 0, sizeof(current_link));
 776        edev->ops->common->get_link(edev->cdev, &current_link);
 777        if (!current_link.link_up)
 778                return 0;
 779
 780        /* Toggle the link */
 781        memset(&link_params, 0, sizeof(link_params));
 782        link_params.link_up = false;
 783        edev->ops->common->set_link(edev->cdev, &link_params);
 784        link_params.link_up = true;
 785        edev->ops->common->set_link(edev->cdev, &link_params);
 786
 787        return 0;
 788}
 789
 790static u32 qede_get_link(struct net_device *dev)
 791{
 792        struct qede_dev *edev = netdev_priv(dev);
 793        struct qed_link_output current_link;
 794
 795        memset(&current_link, 0, sizeof(current_link));
 796        edev->ops->common->get_link(edev->cdev, &current_link);
 797
 798        return current_link.link_up;
 799}
 800
 801static int qede_flash_device(struct net_device *dev,
 802                             struct ethtool_flash *flash)
 803{
 804        struct qede_dev *edev = netdev_priv(dev);
 805
 806        return edev->ops->common->nvm_flash(edev->cdev, flash->data);
 807}
 808
 809static int qede_get_coalesce(struct net_device *dev,
 810                             struct ethtool_coalesce *coal)
 811{
 812        void *rx_handle = NULL, *tx_handle = NULL;
 813        struct qede_dev *edev = netdev_priv(dev);
 814        u16 rx_coal, tx_coal, i, rc = 0;
 815        struct qede_fastpath *fp;
 816
 817        rx_coal = QED_DEFAULT_RX_USECS;
 818        tx_coal = QED_DEFAULT_TX_USECS;
 819
 820        memset(coal, 0, sizeof(struct ethtool_coalesce));
 821
 822        __qede_lock(edev);
 823        if (edev->state == QEDE_STATE_OPEN) {
 824                for_each_queue(i) {
 825                        fp = &edev->fp_array[i];
 826
 827                        if (fp->type & QEDE_FASTPATH_RX) {
 828                                rx_handle = fp->rxq->handle;
 829                                break;
 830                        }
 831                }
 832
 833                rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, rx_handle);
 834                if (rc) {
 835                        DP_INFO(edev, "Read Rx coalesce error\n");
 836                        goto out;
 837                }
 838
 839                for_each_queue(i) {
 840                        struct qede_tx_queue *txq;
 841
 842                        fp = &edev->fp_array[i];
 843
 844                        /* All TX queues of given fastpath uses same
 845                         * coalescing value, so no need to iterate over
 846                         * all TCs, TC0 txq should suffice.
 847                         */
 848                        if (fp->type & QEDE_FASTPATH_TX) {
 849                                txq = QEDE_FP_TC0_TXQ(fp);
 850                                tx_handle = txq->handle;
 851                                break;
 852                        }
 853                }
 854
 855                rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, tx_handle);
 856                if (rc)
 857                        DP_INFO(edev, "Read Tx coalesce error\n");
 858        }
 859
 860out:
 861        __qede_unlock(edev);
 862
 863        coal->rx_coalesce_usecs = rx_coal;
 864        coal->tx_coalesce_usecs = tx_coal;
 865
 866        return rc;
 867}
 868
 869static int qede_set_coalesce(struct net_device *dev,
 870                             struct ethtool_coalesce *coal)
 871{
 872        struct qede_dev *edev = netdev_priv(dev);
 873        struct qede_fastpath *fp;
 874        int i, rc = 0;
 875        u16 rxc, txc;
 876
 877        if (!netif_running(dev)) {
 878                DP_INFO(edev, "Interface is down\n");
 879                return -EINVAL;
 880        }
 881
 882        if (coal->rx_coalesce_usecs > QED_COALESCE_MAX ||
 883            coal->tx_coalesce_usecs > QED_COALESCE_MAX) {
 884                DP_INFO(edev,
 885                        "Can't support requested %s coalesce value [max supported value %d]\n",
 886                        coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" :
 887                        "tx", QED_COALESCE_MAX);
 888                return -EINVAL;
 889        }
 890
 891        rxc = (u16)coal->rx_coalesce_usecs;
 892        txc = (u16)coal->tx_coalesce_usecs;
 893        for_each_queue(i) {
 894                fp = &edev->fp_array[i];
 895
 896                if (edev->fp_array[i].type & QEDE_FASTPATH_RX) {
 897                        rc = edev->ops->common->set_coalesce(edev->cdev,
 898                                                             rxc, 0,
 899                                                             fp->rxq->handle);
 900                        if (rc) {
 901                                DP_INFO(edev,
 902                                        "Set RX coalesce error, rc = %d\n", rc);
 903                                return rc;
 904                        }
 905                }
 906
 907                if (edev->fp_array[i].type & QEDE_FASTPATH_TX) {
 908                        struct qede_tx_queue *txq;
 909
 910                        /* All TX queues of given fastpath uses same
 911                         * coalescing value, so no need to iterate over
 912                         * all TCs, TC0 txq should suffice.
 913                         */
 914                        txq = QEDE_FP_TC0_TXQ(fp);
 915
 916                        rc = edev->ops->common->set_coalesce(edev->cdev,
 917                                                             0, txc,
 918                                                             txq->handle);
 919                        if (rc) {
 920                                DP_INFO(edev,
 921                                        "Set TX coalesce error, rc = %d\n", rc);
 922                                return rc;
 923                        }
 924                }
 925        }
 926
 927        return rc;
 928}
 929
 930static void qede_get_ringparam(struct net_device *dev,
 931                               struct ethtool_ringparam *ering)
 932{
 933        struct qede_dev *edev = netdev_priv(dev);
 934
 935        ering->rx_max_pending = NUM_RX_BDS_MAX;
 936        ering->rx_pending = edev->q_num_rx_buffers;
 937        ering->tx_max_pending = NUM_TX_BDS_MAX;
 938        ering->tx_pending = edev->q_num_tx_buffers;
 939}
 940
 941static int qede_set_ringparam(struct net_device *dev,
 942                              struct ethtool_ringparam *ering)
 943{
 944        struct qede_dev *edev = netdev_priv(dev);
 945
 946        DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
 947                   "Set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
 948                   ering->rx_pending, ering->tx_pending);
 949
 950        /* Validate legality of configuration */
 951        if (ering->rx_pending > NUM_RX_BDS_MAX ||
 952            ering->rx_pending < NUM_RX_BDS_MIN ||
 953            ering->tx_pending > NUM_TX_BDS_MAX ||
 954            ering->tx_pending < NUM_TX_BDS_MIN) {
 955                DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
 956                           "Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n",
 957                           NUM_RX_BDS_MIN, NUM_RX_BDS_MAX,
 958                           NUM_TX_BDS_MIN, NUM_TX_BDS_MAX);
 959                return -EINVAL;
 960        }
 961
 962        /* Change ring size and re-load */
 963        edev->q_num_rx_buffers = ering->rx_pending;
 964        edev->q_num_tx_buffers = ering->tx_pending;
 965
 966        qede_reload(edev, NULL, false);
 967
 968        return 0;
 969}
 970
 971static void qede_get_pauseparam(struct net_device *dev,
 972                                struct ethtool_pauseparam *epause)
 973{
 974        struct qede_dev *edev = netdev_priv(dev);
 975        struct qed_link_output current_link;
 976
 977        memset(&current_link, 0, sizeof(current_link));
 978        edev->ops->common->get_link(edev->cdev, &current_link);
 979
 980        if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
 981                epause->autoneg = true;
 982        if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE)
 983                epause->rx_pause = true;
 984        if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE)
 985                epause->tx_pause = true;
 986
 987        DP_VERBOSE(edev, QED_MSG_DEBUG,
 988                   "ethtool_pauseparam: cmd %d  autoneg %d  rx_pause %d  tx_pause %d\n",
 989                   epause->cmd, epause->autoneg, epause->rx_pause,
 990                   epause->tx_pause);
 991}
 992
 993static int qede_set_pauseparam(struct net_device *dev,
 994                               struct ethtool_pauseparam *epause)
 995{
 996        struct qede_dev *edev = netdev_priv(dev);
 997        struct qed_link_params params;
 998        struct qed_link_output current_link;
 999
1000        if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
1001                DP_INFO(edev,
1002                        "Pause settings are not allowed to be changed\n");
1003                return -EOPNOTSUPP;
1004        }
1005
1006        memset(&current_link, 0, sizeof(current_link));
1007        edev->ops->common->get_link(edev->cdev, &current_link);
1008
1009        memset(&params, 0, sizeof(params));
1010        params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG;
1011        if (epause->autoneg) {
1012                if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
1013                        DP_INFO(edev, "autoneg not supported\n");
1014                        return -EINVAL;
1015                }
1016                params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1017        }
1018        if (epause->rx_pause)
1019                params.pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1020        if (epause->tx_pause)
1021                params.pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1022
1023        params.link_up = true;
1024        edev->ops->common->set_link(edev->cdev, &params);
1025
1026        return 0;
1027}
1028
1029static void qede_get_regs(struct net_device *ndev,
1030                          struct ethtool_regs *regs, void *buffer)
1031{
1032        struct qede_dev *edev = netdev_priv(ndev);
1033
1034        regs->version = 0;
1035        memset(buffer, 0, regs->len);
1036
1037        if (edev->ops && edev->ops->common)
1038                edev->ops->common->dbg_all_data(edev->cdev, buffer);
1039}
1040
1041static int qede_get_regs_len(struct net_device *ndev)
1042{
1043        struct qede_dev *edev = netdev_priv(ndev);
1044
1045        if (edev->ops && edev->ops->common)
1046                return edev->ops->common->dbg_all_data_size(edev->cdev);
1047        else
1048                return -EINVAL;
1049}
1050
1051static void qede_update_mtu(struct qede_dev *edev,
1052                            struct qede_reload_args *args)
1053{
1054        edev->ndev->mtu = args->u.mtu;
1055}
1056
1057/* Netdevice NDOs */
1058int qede_change_mtu(struct net_device *ndev, int new_mtu)
1059{
1060        struct qede_dev *edev = netdev_priv(ndev);
1061        struct qede_reload_args args;
1062
1063        DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1064                   "Configuring MTU size of %d\n", new_mtu);
1065
1066        if (new_mtu > PAGE_SIZE)
1067                ndev->features &= ~NETIF_F_GRO_HW;
1068
1069        /* Set the mtu field and re-start the interface if needed */
1070        args.u.mtu = new_mtu;
1071        args.func = &qede_update_mtu;
1072        qede_reload(edev, &args, false);
1073
1074        edev->ops->common->update_mtu(edev->cdev, new_mtu);
1075
1076        return 0;
1077}
1078
1079static void qede_get_channels(struct net_device *dev,
1080                              struct ethtool_channels *channels)
1081{
1082        struct qede_dev *edev = netdev_priv(dev);
1083
1084        channels->max_combined = QEDE_MAX_RSS_CNT(edev);
1085        channels->max_rx = QEDE_MAX_RSS_CNT(edev);
1086        channels->max_tx = QEDE_MAX_RSS_CNT(edev);
1087        channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx -
1088                                        edev->fp_num_rx;
1089        channels->tx_count = edev->fp_num_tx;
1090        channels->rx_count = edev->fp_num_rx;
1091}
1092
1093static int qede_set_channels(struct net_device *dev,
1094                             struct ethtool_channels *channels)
1095{
1096        struct qede_dev *edev = netdev_priv(dev);
1097        u32 count;
1098
1099        DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1100                   "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
1101                   channels->rx_count, channels->tx_count,
1102                   channels->other_count, channels->combined_count);
1103
1104        count = channels->rx_count + channels->tx_count +
1105                        channels->combined_count;
1106
1107        /* We don't support `other' channels */
1108        if (channels->other_count) {
1109                DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1110                           "command parameters not supported\n");
1111                return -EINVAL;
1112        }
1113
1114        if (!(channels->combined_count || (channels->rx_count &&
1115                                           channels->tx_count))) {
1116                DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1117                           "need to request at least one transmit and one receive channel\n");
1118                return -EINVAL;
1119        }
1120
1121        if (count > QEDE_MAX_RSS_CNT(edev)) {
1122                DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1123                           "requested channels = %d max supported channels = %d\n",
1124                           count, QEDE_MAX_RSS_CNT(edev));
1125                return -EINVAL;
1126        }
1127
1128        /* Check if there was a change in the active parameters */
1129        if ((count == QEDE_QUEUE_CNT(edev)) &&
1130            (channels->tx_count == edev->fp_num_tx) &&
1131            (channels->rx_count == edev->fp_num_rx)) {
1132                DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1133                           "No change in active parameters\n");
1134                return 0;
1135        }
1136
1137        /* We need the number of queues to be divisible between the hwfns */
1138        if ((count % edev->dev_info.common.num_hwfns) ||
1139            (channels->tx_count % edev->dev_info.common.num_hwfns) ||
1140            (channels->rx_count % edev->dev_info.common.num_hwfns)) {
1141                DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
1142                           "Number of channels must be divisible by %04x\n",
1143                           edev->dev_info.common.num_hwfns);
1144                return -EINVAL;
1145        }
1146
1147        /* Set number of queues and reload if necessary */
1148        edev->req_queues = count;
1149        edev->req_num_tx = channels->tx_count;
1150        edev->req_num_rx = channels->rx_count;
1151        /* Reset the indirection table if rx queue count is updated */
1152        if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) {
1153                edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED;
1154                memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table));
1155        }
1156
1157        qede_reload(edev, NULL, false);
1158
1159        return 0;
1160}
1161
1162static int qede_get_ts_info(struct net_device *dev,
1163                            struct ethtool_ts_info *info)
1164{
1165        struct qede_dev *edev = netdev_priv(dev);
1166
1167        return qede_ptp_get_ts_info(edev, info);
1168}
1169
1170static int qede_set_phys_id(struct net_device *dev,
1171                            enum ethtool_phys_id_state state)
1172{
1173        struct qede_dev *edev = netdev_priv(dev);
1174        u8 led_state = 0;
1175
1176        switch (state) {
1177        case ETHTOOL_ID_ACTIVE:
1178                return 1;       /* cycle on/off once per second */
1179
1180        case ETHTOOL_ID_ON:
1181                led_state = QED_LED_MODE_ON;
1182                break;
1183
1184        case ETHTOOL_ID_OFF:
1185                led_state = QED_LED_MODE_OFF;
1186                break;
1187
1188        case ETHTOOL_ID_INACTIVE:
1189                led_state = QED_LED_MODE_RESTORE;
1190                break;
1191        }
1192
1193        edev->ops->common->set_led(edev->cdev, led_state);
1194
1195        return 0;
1196}
1197
1198static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
1199{
1200        info->data = RXH_IP_SRC | RXH_IP_DST;
1201
1202        switch (info->flow_type) {
1203        case TCP_V4_FLOW:
1204        case TCP_V6_FLOW:
1205                info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1206                break;
1207        case UDP_V4_FLOW:
1208                if (edev->rss_caps & QED_RSS_IPV4_UDP)
1209                        info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1210                break;
1211        case UDP_V6_FLOW:
1212                if (edev->rss_caps & QED_RSS_IPV6_UDP)
1213                        info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1214                break;
1215        case IPV4_FLOW:
1216        case IPV6_FLOW:
1217                break;
1218        default:
1219                info->data = 0;
1220                break;
1221        }
1222
1223        return 0;
1224}
1225
1226static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
1227                          u32 *rule_locs)
1228{
1229        struct qede_dev *edev = netdev_priv(dev);
1230        int rc = 0;
1231
1232        switch (info->cmd) {
1233        case ETHTOOL_GRXRINGS:
1234                info->data = QEDE_RSS_COUNT(edev);
1235                break;
1236        case ETHTOOL_GRXFH:
1237                rc = qede_get_rss_flags(edev, info);
1238                break;
1239        case ETHTOOL_GRXCLSRLCNT:
1240                info->rule_cnt = qede_get_arfs_filter_count(edev);
1241                info->data = QEDE_RFS_MAX_FLTR;
1242                break;
1243        case ETHTOOL_GRXCLSRULE:
1244                rc = qede_get_cls_rule_entry(edev, info);
1245                break;
1246        case ETHTOOL_GRXCLSRLALL:
1247                rc = qede_get_cls_rule_all(edev, info, rule_locs);
1248                break;
1249        default:
1250                DP_ERR(edev, "Command parameters not supported\n");
1251                rc = -EOPNOTSUPP;
1252        }
1253
1254        return rc;
1255}
1256
1257static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
1258{
1259        struct qed_update_vport_params *vport_update_params;
1260        u8 set_caps = 0, clr_caps = 0;
1261        int rc = 0;
1262
1263        DP_VERBOSE(edev, QED_MSG_DEBUG,
1264                   "Set rss flags command parameters: flow type = %d, data = %llu\n",
1265                   info->flow_type, info->data);
1266
1267        switch (info->flow_type) {
1268        case TCP_V4_FLOW:
1269        case TCP_V6_FLOW:
1270                /* For TCP only 4-tuple hash is supported */
1271                if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
1272                                  RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1273                        DP_INFO(edev, "Command parameters not supported\n");
1274                        return -EINVAL;
1275                }
1276                return 0;
1277        case UDP_V4_FLOW:
1278                /* For UDP either 2-tuple hash or 4-tuple hash is supported */
1279                if (info->data == (RXH_IP_SRC | RXH_IP_DST |
1280                                   RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1281                        set_caps = QED_RSS_IPV4_UDP;
1282                        DP_VERBOSE(edev, QED_MSG_DEBUG,
1283                                   "UDP 4-tuple enabled\n");
1284                } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
1285                        clr_caps = QED_RSS_IPV4_UDP;
1286                        DP_VERBOSE(edev, QED_MSG_DEBUG,
1287                                   "UDP 4-tuple disabled\n");
1288                } else {
1289                        return -EINVAL;
1290                }
1291                break;
1292        case UDP_V6_FLOW:
1293                /* For UDP either 2-tuple hash or 4-tuple hash is supported */
1294                if (info->data == (RXH_IP_SRC | RXH_IP_DST |
1295                                   RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1296                        set_caps = QED_RSS_IPV6_UDP;
1297                        DP_VERBOSE(edev, QED_MSG_DEBUG,
1298                                   "UDP 4-tuple enabled\n");
1299                } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
1300                        clr_caps = QED_RSS_IPV6_UDP;
1301                        DP_VERBOSE(edev, QED_MSG_DEBUG,
1302                                   "UDP 4-tuple disabled\n");
1303                } else {
1304                        return -EINVAL;
1305                }
1306                break;
1307        case IPV4_FLOW:
1308        case IPV6_FLOW:
1309                /* For IP only 2-tuple hash is supported */
1310                if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
1311                        DP_INFO(edev, "Command parameters not supported\n");
1312                        return -EINVAL;
1313                }
1314                return 0;
1315        case SCTP_V4_FLOW:
1316        case AH_ESP_V4_FLOW:
1317        case AH_V4_FLOW:
1318        case ESP_V4_FLOW:
1319        case SCTP_V6_FLOW:
1320        case AH_ESP_V6_FLOW:
1321        case AH_V6_FLOW:
1322        case ESP_V6_FLOW:
1323        case IP_USER_FLOW:
1324        case ETHER_FLOW:
1325                /* RSS is not supported for these protocols */
1326                if (info->data) {
1327                        DP_INFO(edev, "Command parameters not supported\n");
1328                        return -EINVAL;
1329                }
1330                return 0;
1331        default:
1332                return -EINVAL;
1333        }
1334
1335        /* No action is needed if there is no change in the rss capability */
1336        if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps))
1337                return 0;
1338
1339        /* Update internal configuration */
1340        edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps);
1341        edev->rss_params_inited |= QEDE_RSS_CAPS_INITED;
1342
1343        /* Re-configure if possible */
1344        __qede_lock(edev);
1345        if (edev->state == QEDE_STATE_OPEN) {
1346                vport_update_params = vzalloc(sizeof(*vport_update_params));
1347                if (!vport_update_params) {
1348                        __qede_unlock(edev);
1349                        return -ENOMEM;
1350                }
1351                qede_fill_rss_params(edev, &vport_update_params->rss_params,
1352                                     &vport_update_params->update_rss_flg);
1353                rc = edev->ops->vport_update(edev->cdev, vport_update_params);
1354                vfree(vport_update_params);
1355        }
1356        __qede_unlock(edev);
1357
1358        return rc;
1359}
1360
1361static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
1362{
1363        struct qede_dev *edev = netdev_priv(dev);
1364        int rc;
1365
1366        switch (info->cmd) {
1367        case ETHTOOL_SRXFH:
1368                rc = qede_set_rss_flags(edev, info);
1369                break;
1370        case ETHTOOL_SRXCLSRLINS:
1371                rc = qede_add_cls_rule(edev, info);
1372                break;
1373        case ETHTOOL_SRXCLSRLDEL:
1374                rc = qede_delete_flow_filter(edev, info->fs.location);
1375                break;
1376        default:
1377                DP_INFO(edev, "Command parameters not supported\n");
1378                rc = -EOPNOTSUPP;
1379        }
1380
1381        return rc;
1382}
1383
1384static u32 qede_get_rxfh_indir_size(struct net_device *dev)
1385{
1386        return QED_RSS_IND_TABLE_SIZE;
1387}
1388
1389static u32 qede_get_rxfh_key_size(struct net_device *dev)
1390{
1391        struct qede_dev *edev = netdev_priv(dev);
1392
1393        return sizeof(edev->rss_key);
1394}
1395
1396static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc)
1397{
1398        struct qede_dev *edev = netdev_priv(dev);
1399        int i;
1400
1401        if (hfunc)
1402                *hfunc = ETH_RSS_HASH_TOP;
1403
1404        if (!indir)
1405                return 0;
1406
1407        for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
1408                indir[i] = edev->rss_ind_table[i];
1409
1410        if (key)
1411                memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev));
1412
1413        return 0;
1414}
1415
1416static int qede_set_rxfh(struct net_device *dev, const u32 *indir,
1417                         const u8 *key, const u8 hfunc)
1418{
1419        struct qed_update_vport_params *vport_update_params;
1420        struct qede_dev *edev = netdev_priv(dev);
1421        int i, rc = 0;
1422
1423        if (edev->dev_info.common.num_hwfns > 1) {
1424                DP_INFO(edev,
1425                        "RSS configuration is not supported for 100G devices\n");
1426                return -EOPNOTSUPP;
1427        }
1428
1429        if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1430                return -EOPNOTSUPP;
1431
1432        if (!indir && !key)
1433                return 0;
1434
1435        if (indir) {
1436                for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
1437                        edev->rss_ind_table[i] = indir[i];
1438                edev->rss_params_inited |= QEDE_RSS_INDIR_INITED;
1439        }
1440
1441        if (key) {
1442                memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev));
1443                edev->rss_params_inited |= QEDE_RSS_KEY_INITED;
1444        }
1445
1446        __qede_lock(edev);
1447        if (edev->state == QEDE_STATE_OPEN) {
1448                vport_update_params = vzalloc(sizeof(*vport_update_params));
1449                if (!vport_update_params) {
1450                        __qede_unlock(edev);
1451                        return -ENOMEM;
1452                }
1453                qede_fill_rss_params(edev, &vport_update_params->rss_params,
1454                                     &vport_update_params->update_rss_flg);
1455                rc = edev->ops->vport_update(edev->cdev, vport_update_params);
1456                vfree(vport_update_params);
1457        }
1458        __qede_unlock(edev);
1459
1460        return rc;
1461}
1462
1463/* This function enables the interrupt generation and the NAPI on the device */
1464static void qede_netif_start(struct qede_dev *edev)
1465{
1466        int i;
1467
1468        if (!netif_running(edev->ndev))
1469                return;
1470
1471        for_each_queue(i) {
1472                /* Update and reenable interrupts */
1473                qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1);
1474                napi_enable(&edev->fp_array[i].napi);
1475        }
1476}
1477
1478/* This function disables the NAPI and the interrupt generation on the device */
1479static void qede_netif_stop(struct qede_dev *edev)
1480{
1481        int i;
1482
1483        for_each_queue(i) {
1484                napi_disable(&edev->fp_array[i].napi);
1485                /* Disable interrupts */
1486                qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0);
1487        }
1488}
1489
1490static int qede_selftest_transmit_traffic(struct qede_dev *edev,
1491                                          struct sk_buff *skb)
1492{
1493        struct qede_tx_queue *txq = NULL;
1494        struct eth_tx_1st_bd *first_bd;
1495        dma_addr_t mapping;
1496        int i, idx;
1497        u16 val;
1498
1499        for_each_queue(i) {
1500                struct qede_fastpath *fp = &edev->fp_array[i];
1501
1502                if (fp->type & QEDE_FASTPATH_TX) {
1503                        txq = QEDE_FP_TC0_TXQ(fp);
1504                        break;
1505                }
1506        }
1507
1508        if (!txq) {
1509                DP_NOTICE(edev, "Tx path is not available\n");
1510                return -1;
1511        }
1512
1513        /* Fill the entry in the SW ring and the BDs in the FW ring */
1514        idx = txq->sw_tx_prod;
1515        txq->sw_tx_ring.skbs[idx].skb = skb;
1516        first_bd = qed_chain_produce(&txq->tx_pbl);
1517        memset(first_bd, 0, sizeof(*first_bd));
1518        val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
1519        first_bd->data.bd_flags.bitfields = val;
1520        val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK;
1521        val = val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT;
1522        first_bd->data.bitfields |= cpu_to_le16(val);
1523
1524        /* Map skb linear data for DMA and set in the first BD */
1525        mapping = dma_map_single(&edev->pdev->dev, skb->data,
1526                                 skb_headlen(skb), DMA_TO_DEVICE);
1527        if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) {
1528                DP_NOTICE(edev, "SKB mapping failed\n");
1529                return -ENOMEM;
1530        }
1531        BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb));
1532
1533        /* update the first BD with the actual num BDs */
1534        first_bd->data.nbds = 1;
1535        txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers;
1536        /* 'next page' entries are counted in the producer value */
1537        val = qed_chain_get_prod_idx(&txq->tx_pbl);
1538        txq->tx_db.data.bd_prod = cpu_to_le16(val);
1539
1540        /* wmb makes sure that the BDs data is updated before updating the
1541         * producer, otherwise FW may read old data from the BDs.
1542         */
1543        wmb();
1544        barrier();
1545        writel(txq->tx_db.raw, txq->doorbell_addr);
1546
1547        for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) {
1548                if (qede_txq_has_work(txq))
1549                        break;
1550                usleep_range(100, 200);
1551        }
1552
1553        if (!qede_txq_has_work(txq)) {
1554                DP_NOTICE(edev, "Tx completion didn't happen\n");
1555                return -1;
1556        }
1557
1558        first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl);
1559        dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd),
1560                         BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE);
1561        txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers;
1562        txq->sw_tx_ring.skbs[idx].skb = NULL;
1563
1564        return 0;
1565}
1566
1567static int qede_selftest_receive_traffic(struct qede_dev *edev)
1568{
1569        u16 hw_comp_cons, sw_comp_cons, sw_rx_index, len;
1570        struct eth_fast_path_rx_reg_cqe *fp_cqe;
1571        struct qede_rx_queue *rxq = NULL;
1572        struct sw_rx_data *sw_rx_data;
1573        union eth_rx_cqe *cqe;
1574        int i, iter, rc = 0;
1575        u8 *data_ptr;
1576
1577        for_each_queue(i) {
1578                if (edev->fp_array[i].type & QEDE_FASTPATH_RX) {
1579                        rxq = edev->fp_array[i].rxq;
1580                        break;
1581                }
1582        }
1583
1584        if (!rxq) {
1585                DP_NOTICE(edev, "Rx path is not available\n");
1586                return -1;
1587        }
1588
1589        /* The packet is expected to receive on rx-queue 0 even though RSS is
1590         * enabled. This is because the queue 0 is configured as the default
1591         * queue and that the loopback traffic is not IP.
1592         */
1593        for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) {
1594                if (!qede_has_rx_work(rxq)) {
1595                        usleep_range(100, 200);
1596                        continue;
1597                }
1598
1599                hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr);
1600                sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
1601
1602                /* Memory barrier to prevent the CPU from doing speculative
1603                 * reads of CQE/BD before reading hw_comp_cons. If the CQE is
1604                 * read before it is written by FW, then FW writes CQE and SB,
1605                 * and then the CPU reads the hw_comp_cons, it will use an old
1606                 * CQE.
1607                 */
1608                rmb();
1609
1610                /* Get the CQE from the completion ring */
1611                cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring);
1612
1613                /* Get the data from the SW ring */
1614                sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX;
1615                sw_rx_data = &rxq->sw_rx_ring[sw_rx_index];
1616                fp_cqe = &cqe->fast_path_regular;
1617                len =  le16_to_cpu(fp_cqe->len_on_first_bd);
1618                data_ptr = (u8 *)(page_address(sw_rx_data->data) +
1619                                  fp_cqe->placement_offset +
1620                                  sw_rx_data->page_offset +
1621                                  rxq->rx_headroom);
1622                if (ether_addr_equal(data_ptr,  edev->ndev->dev_addr) &&
1623                    ether_addr_equal(data_ptr + ETH_ALEN,
1624                                     edev->ndev->dev_addr)) {
1625                        for (i = ETH_HLEN; i < len; i++)
1626                                if (data_ptr[i] != (unsigned char)(i & 0xff)) {
1627                                        rc = -1;
1628                                        break;
1629                                }
1630
1631                        qede_recycle_rx_bd_ring(rxq, 1);
1632                        qed_chain_recycle_consumed(&rxq->rx_comp_ring);
1633                        break;
1634                }
1635
1636                DP_INFO(edev, "Not the transmitted packet\n");
1637                qede_recycle_rx_bd_ring(rxq, 1);
1638                qed_chain_recycle_consumed(&rxq->rx_comp_ring);
1639        }
1640
1641        if (iter == QEDE_SELFTEST_POLL_COUNT) {
1642                DP_NOTICE(edev, "Failed to receive the traffic\n");
1643                return -1;
1644        }
1645
1646        qede_update_rx_prod(edev, rxq);
1647
1648        return rc;
1649}
1650
1651static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode)
1652{
1653        struct qed_link_params link_params;
1654        struct sk_buff *skb = NULL;
1655        int rc = 0, i;
1656        u32 pkt_size;
1657        u8 *packet;
1658
1659        if (!netif_running(edev->ndev)) {
1660                DP_NOTICE(edev, "Interface is down\n");
1661                return -EINVAL;
1662        }
1663
1664        qede_netif_stop(edev);
1665
1666        /* Bring up the link in Loopback mode */
1667        memset(&link_params, 0, sizeof(link_params));
1668        link_params.link_up = true;
1669        link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE;
1670        link_params.loopback_mode = loopback_mode;
1671        edev->ops->common->set_link(edev->cdev, &link_params);
1672
1673        /* Wait for loopback configuration to apply */
1674        msleep_interruptible(500);
1675
1676        /* Setting max packet size to 1.5K to avoid data being split over
1677         * multiple BDs in cases where MTU > PAGE_SIZE.
1678         */
1679        pkt_size = (((edev->ndev->mtu < ETH_DATA_LEN) ?
1680                     edev->ndev->mtu : ETH_DATA_LEN) + ETH_HLEN);
1681
1682        skb = netdev_alloc_skb(edev->ndev, pkt_size);
1683        if (!skb) {
1684                DP_INFO(edev, "Can't allocate skb\n");
1685                rc = -ENOMEM;
1686                goto test_loopback_exit;
1687        }
1688        packet = skb_put(skb, pkt_size);
1689        ether_addr_copy(packet, edev->ndev->dev_addr);
1690        ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr);
1691        memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN)));
1692        for (i = ETH_HLEN; i < pkt_size; i++)
1693                packet[i] = (unsigned char)(i & 0xff);
1694
1695        rc = qede_selftest_transmit_traffic(edev, skb);
1696        if (rc)
1697                goto test_loopback_exit;
1698
1699        rc = qede_selftest_receive_traffic(edev);
1700        if (rc)
1701                goto test_loopback_exit;
1702
1703        DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n");
1704
1705test_loopback_exit:
1706        dev_kfree_skb(skb);
1707
1708        /* Bring up the link in Normal mode */
1709        memset(&link_params, 0, sizeof(link_params));
1710        link_params.link_up = true;
1711        link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE;
1712        link_params.loopback_mode = QED_LINK_LOOPBACK_NONE;
1713        edev->ops->common->set_link(edev->cdev, &link_params);
1714
1715        /* Wait for loopback configuration to apply */
1716        msleep_interruptible(500);
1717
1718        qede_netif_start(edev);
1719
1720        return rc;
1721}
1722
1723static void qede_self_test(struct net_device *dev,
1724                           struct ethtool_test *etest, u64 *buf)
1725{
1726        struct qede_dev *edev = netdev_priv(dev);
1727
1728        DP_VERBOSE(edev, QED_MSG_DEBUG,
1729                   "Self-test command parameters: offline = %d, external_lb = %d\n",
1730                   (etest->flags & ETH_TEST_FL_OFFLINE),
1731                   (etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2);
1732
1733        memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX);
1734
1735        if (etest->flags & ETH_TEST_FL_OFFLINE) {
1736                if (qede_selftest_run_loopback(edev,
1737                                               QED_LINK_LOOPBACK_INT_PHY)) {
1738                        buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1;
1739                        etest->flags |= ETH_TEST_FL_FAILED;
1740                }
1741        }
1742
1743        if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) {
1744                buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1;
1745                etest->flags |= ETH_TEST_FL_FAILED;
1746        }
1747
1748        if (edev->ops->common->selftest->selftest_memory(edev->cdev)) {
1749                buf[QEDE_ETHTOOL_MEMORY_TEST] = 1;
1750                etest->flags |= ETH_TEST_FL_FAILED;
1751        }
1752
1753        if (edev->ops->common->selftest->selftest_register(edev->cdev)) {
1754                buf[QEDE_ETHTOOL_REGISTER_TEST] = 1;
1755                etest->flags |= ETH_TEST_FL_FAILED;
1756        }
1757
1758        if (edev->ops->common->selftest->selftest_clock(edev->cdev)) {
1759                buf[QEDE_ETHTOOL_CLOCK_TEST] = 1;
1760                etest->flags |= ETH_TEST_FL_FAILED;
1761        }
1762
1763        if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) {
1764                buf[QEDE_ETHTOOL_NVRAM_TEST] = 1;
1765                etest->flags |= ETH_TEST_FL_FAILED;
1766        }
1767}
1768
1769static int qede_set_tunable(struct net_device *dev,
1770                            const struct ethtool_tunable *tuna,
1771                            const void *data)
1772{
1773        struct qede_dev *edev = netdev_priv(dev);
1774        u32 val;
1775
1776        switch (tuna->id) {
1777        case ETHTOOL_RX_COPYBREAK:
1778                val = *(u32 *)data;
1779                if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) {
1780                        DP_VERBOSE(edev, QED_MSG_DEBUG,
1781                                   "Invalid rx copy break value, range is [%u, %u]",
1782                                   QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE);
1783                        return -EINVAL;
1784                }
1785
1786                edev->rx_copybreak = *(u32 *)data;
1787                break;
1788        default:
1789                return -EOPNOTSUPP;
1790        }
1791
1792        return 0;
1793}
1794
1795static int qede_get_tunable(struct net_device *dev,
1796                            const struct ethtool_tunable *tuna, void *data)
1797{
1798        struct qede_dev *edev = netdev_priv(dev);
1799
1800        switch (tuna->id) {
1801        case ETHTOOL_RX_COPYBREAK:
1802                *(u32 *)data = edev->rx_copybreak;
1803                break;
1804        default:
1805                return -EOPNOTSUPP;
1806        }
1807
1808        return 0;
1809}
1810
1811static int qede_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1812{
1813        struct qede_dev *edev = netdev_priv(dev);
1814        struct qed_link_output current_link;
1815
1816        memset(&current_link, 0, sizeof(current_link));
1817        edev->ops->common->get_link(edev->cdev, &current_link);
1818
1819        if (!current_link.eee_supported) {
1820                DP_INFO(edev, "EEE is not supported\n");
1821                return -EOPNOTSUPP;
1822        }
1823
1824        if (current_link.eee.adv_caps & QED_EEE_1G_ADV)
1825                edata->advertised = ADVERTISED_1000baseT_Full;
1826        if (current_link.eee.adv_caps & QED_EEE_10G_ADV)
1827                edata->advertised |= ADVERTISED_10000baseT_Full;
1828        if (current_link.sup_caps & QED_EEE_1G_ADV)
1829                edata->supported = ADVERTISED_1000baseT_Full;
1830        if (current_link.sup_caps & QED_EEE_10G_ADV)
1831                edata->supported |= ADVERTISED_10000baseT_Full;
1832        if (current_link.eee.lp_adv_caps & QED_EEE_1G_ADV)
1833                edata->lp_advertised = ADVERTISED_1000baseT_Full;
1834        if (current_link.eee.lp_adv_caps & QED_EEE_10G_ADV)
1835                edata->lp_advertised |= ADVERTISED_10000baseT_Full;
1836
1837        edata->tx_lpi_timer = current_link.eee.tx_lpi_timer;
1838        edata->eee_enabled = current_link.eee.enable;
1839        edata->tx_lpi_enabled = current_link.eee.tx_lpi_enable;
1840        edata->eee_active = current_link.eee_active;
1841
1842        return 0;
1843}
1844
1845static int qede_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1846{
1847        struct qede_dev *edev = netdev_priv(dev);
1848        struct qed_link_output current_link;
1849        struct qed_link_params params;
1850
1851        if (!edev->ops->common->can_link_change(edev->cdev)) {
1852                DP_INFO(edev, "Link settings are not allowed to be changed\n");
1853                return -EOPNOTSUPP;
1854        }
1855
1856        memset(&current_link, 0, sizeof(current_link));
1857        edev->ops->common->get_link(edev->cdev, &current_link);
1858
1859        if (!current_link.eee_supported) {
1860                DP_INFO(edev, "EEE is not supported\n");
1861                return -EOPNOTSUPP;
1862        }
1863
1864        memset(&params, 0, sizeof(params));
1865        params.override_flags |= QED_LINK_OVERRIDE_EEE_CONFIG;
1866
1867        if (!(edata->advertised & (ADVERTISED_1000baseT_Full |
1868                                   ADVERTISED_10000baseT_Full)) ||
1869            ((edata->advertised & (ADVERTISED_1000baseT_Full |
1870                                   ADVERTISED_10000baseT_Full)) !=
1871             edata->advertised)) {
1872                DP_VERBOSE(edev, QED_MSG_DEBUG,
1873                           "Invalid advertised capabilities %d\n",
1874                           edata->advertised);
1875                return -EINVAL;
1876        }
1877
1878        if (edata->advertised & ADVERTISED_1000baseT_Full)
1879                params.eee.adv_caps = QED_EEE_1G_ADV;
1880        if (edata->advertised & ADVERTISED_10000baseT_Full)
1881                params.eee.adv_caps |= QED_EEE_10G_ADV;
1882        params.eee.enable = edata->eee_enabled;
1883        params.eee.tx_lpi_enable = edata->tx_lpi_enabled;
1884        params.eee.tx_lpi_timer = edata->tx_lpi_timer;
1885
1886        params.link_up = true;
1887        edev->ops->common->set_link(edev->cdev, &params);
1888
1889        return 0;
1890}
1891
1892static int qede_get_module_info(struct net_device *dev,
1893                                struct ethtool_modinfo *modinfo)
1894{
1895        struct qede_dev *edev = netdev_priv(dev);
1896        u8 buf[4];
1897        int rc;
1898
1899        /* Read first 4 bytes to find the sfp type */
1900        rc = edev->ops->common->read_module_eeprom(edev->cdev, buf,
1901                                                   QED_I2C_DEV_ADDR_A0, 0, 4);
1902        if (rc) {
1903                DP_ERR(edev, "Failed reading EEPROM data %d\n", rc);
1904                return rc;
1905        }
1906
1907        switch (buf[0]) {
1908        case 0x3: /* SFP, SFP+, SFP-28 */
1909                modinfo->type = ETH_MODULE_SFF_8472;
1910                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1911                break;
1912        case 0xc: /* QSFP */
1913        case 0xd: /* QSFP+ */
1914                modinfo->type = ETH_MODULE_SFF_8436;
1915                modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1916                break;
1917        case 0x11: /* QSFP-28 */
1918                modinfo->type = ETH_MODULE_SFF_8636;
1919                modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1920                break;
1921        default:
1922                DP_ERR(edev, "Unknown transceiver type 0x%x\n", buf[0]);
1923                return -EINVAL;
1924        }
1925
1926        return 0;
1927}
1928
1929static int qede_get_module_eeprom(struct net_device *dev,
1930                                  struct ethtool_eeprom *ee, u8 *data)
1931{
1932        struct qede_dev *edev = netdev_priv(dev);
1933        u32 start_addr = ee->offset, size = 0;
1934        u8 *buf = data;
1935        int rc = 0;
1936
1937        /* Read A0 section */
1938        if (ee->offset < ETH_MODULE_SFF_8079_LEN) {
1939                /* Limit transfer size to the A0 section boundary */
1940                if (ee->offset + ee->len > ETH_MODULE_SFF_8079_LEN)
1941                        size = ETH_MODULE_SFF_8079_LEN - ee->offset;
1942                else
1943                        size = ee->len;
1944
1945                rc = edev->ops->common->read_module_eeprom(edev->cdev, buf,
1946                                                           QED_I2C_DEV_ADDR_A0,
1947                                                           start_addr, size);
1948                if (rc) {
1949                        DP_ERR(edev, "Failed reading A0 section  %d\n", rc);
1950                        return rc;
1951                }
1952
1953                buf += size;
1954                start_addr += size;
1955        }
1956
1957        /* Read A2 section */
1958        if (start_addr >= ETH_MODULE_SFF_8079_LEN &&
1959            start_addr < ETH_MODULE_SFF_8472_LEN) {
1960                size = ee->len - size;
1961                /* Limit transfer size to the A2 section boundary */
1962                if (start_addr + size > ETH_MODULE_SFF_8472_LEN)
1963                        size = ETH_MODULE_SFF_8472_LEN - start_addr;
1964                start_addr -= ETH_MODULE_SFF_8079_LEN;
1965                rc = edev->ops->common->read_module_eeprom(edev->cdev, buf,
1966                                                           QED_I2C_DEV_ADDR_A2,
1967                                                           start_addr, size);
1968                if (rc) {
1969                        DP_VERBOSE(edev, QED_MSG_DEBUG,
1970                                   "Failed reading A2 section %d\n", rc);
1971                        return 0;
1972                }
1973        }
1974
1975        return rc;
1976}
1977
1978static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val)
1979{
1980        struct qede_dev *edev = netdev_priv(dev);
1981        int rc = 0;
1982
1983        if (edev->dump_info.cmd == QEDE_DUMP_CMD_NONE) {
1984                if (val->flag > QEDE_DUMP_CMD_MAX) {
1985                        DP_ERR(edev, "Invalid command %d\n", val->flag);
1986                        return -EINVAL;
1987                }
1988                edev->dump_info.cmd = val->flag;
1989                edev->dump_info.num_args = 0;
1990                return 0;
1991        }
1992
1993        if (edev->dump_info.num_args == QEDE_DUMP_MAX_ARGS) {
1994                DP_ERR(edev, "Arg count = %d\n", edev->dump_info.num_args);
1995                return -EINVAL;
1996        }
1997
1998        switch (edev->dump_info.cmd) {
1999        case QEDE_DUMP_CMD_NVM_CFG:
2000                edev->dump_info.args[edev->dump_info.num_args] = val->flag;
2001                edev->dump_info.num_args++;
2002                break;
2003        case QEDE_DUMP_CMD_GRCDUMP:
2004                rc = edev->ops->common->set_grc_config(edev->cdev,
2005                                                       val->flag, 1);
2006                break;
2007        default:
2008                break;
2009        }
2010
2011        return rc;
2012}
2013
2014static int qede_get_dump_flag(struct net_device *dev,
2015                              struct ethtool_dump *dump)
2016{
2017        struct qede_dev *edev = netdev_priv(dev);
2018
2019        if (!edev->ops || !edev->ops->common) {
2020                DP_ERR(edev, "Edev ops not populated\n");
2021                return -EINVAL;
2022        }
2023
2024        dump->version = QEDE_DUMP_VERSION;
2025        switch (edev->dump_info.cmd) {
2026        case QEDE_DUMP_CMD_NVM_CFG:
2027                dump->flag = QEDE_DUMP_CMD_NVM_CFG;
2028                dump->len = edev->ops->common->read_nvm_cfg_len(edev->cdev,
2029                                                edev->dump_info.args[0]);
2030                break;
2031        case QEDE_DUMP_CMD_GRCDUMP:
2032                dump->flag = QEDE_DUMP_CMD_GRCDUMP;
2033                dump->len = edev->ops->common->dbg_all_data_size(edev->cdev);
2034                break;
2035        default:
2036                DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);
2037                return -EINVAL;
2038        }
2039
2040        DP_VERBOSE(edev, QED_MSG_DEBUG,
2041                   "dump->version = 0x%x dump->flag = %d dump->len = %d\n",
2042                   dump->version, dump->flag, dump->len);
2043        return 0;
2044}
2045
2046static int qede_get_dump_data(struct net_device *dev,
2047                              struct ethtool_dump *dump, void *buf)
2048{
2049        struct qede_dev *edev = netdev_priv(dev);
2050        int rc = 0;
2051
2052        if (!edev->ops || !edev->ops->common) {
2053                DP_ERR(edev, "Edev ops not populated\n");
2054                rc = -EINVAL;
2055                goto err;
2056        }
2057
2058        switch (edev->dump_info.cmd) {
2059        case QEDE_DUMP_CMD_NVM_CFG:
2060                if (edev->dump_info.num_args != QEDE_DUMP_NVM_ARG_COUNT) {
2061                        DP_ERR(edev, "Arg count = %d required = %d\n",
2062                               edev->dump_info.num_args,
2063                               QEDE_DUMP_NVM_ARG_COUNT);
2064                        rc = -EINVAL;
2065                        goto err;
2066                }
2067                rc =  edev->ops->common->read_nvm_cfg(edev->cdev, (u8 **)&buf,
2068                                                      edev->dump_info.args[0],
2069                                                      edev->dump_info.args[1]);
2070                break;
2071        case QEDE_DUMP_CMD_GRCDUMP:
2072                memset(buf, 0, dump->len);
2073                rc = edev->ops->common->dbg_all_data(edev->cdev, buf);
2074                break;
2075        default:
2076                DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);
2077                rc = -EINVAL;
2078                break;
2079        }
2080
2081err:
2082        edev->dump_info.cmd = QEDE_DUMP_CMD_NONE;
2083        edev->dump_info.num_args = 0;
2084        memset(edev->dump_info.args, 0, sizeof(edev->dump_info.args));
2085
2086        return rc;
2087}
2088
2089static const struct ethtool_ops qede_ethtool_ops = {
2090        .get_link_ksettings = qede_get_link_ksettings,
2091        .set_link_ksettings = qede_set_link_ksettings,
2092        .get_drvinfo = qede_get_drvinfo,
2093        .get_regs_len = qede_get_regs_len,
2094        .get_regs = qede_get_regs,
2095        .get_wol = qede_get_wol,
2096        .set_wol = qede_set_wol,
2097        .get_msglevel = qede_get_msglevel,
2098        .set_msglevel = qede_set_msglevel,
2099        .nway_reset = qede_nway_reset,
2100        .get_link = qede_get_link,
2101        .get_coalesce = qede_get_coalesce,
2102        .set_coalesce = qede_set_coalesce,
2103        .get_ringparam = qede_get_ringparam,
2104        .set_ringparam = qede_set_ringparam,
2105        .get_pauseparam = qede_get_pauseparam,
2106        .set_pauseparam = qede_set_pauseparam,
2107        .get_strings = qede_get_strings,
2108        .set_phys_id = qede_set_phys_id,
2109        .get_ethtool_stats = qede_get_ethtool_stats,
2110        .get_priv_flags = qede_get_priv_flags,
2111        .get_sset_count = qede_get_sset_count,
2112        .get_rxnfc = qede_get_rxnfc,
2113        .set_rxnfc = qede_set_rxnfc,
2114        .get_rxfh_indir_size = qede_get_rxfh_indir_size,
2115        .get_rxfh_key_size = qede_get_rxfh_key_size,
2116        .get_rxfh = qede_get_rxfh,
2117        .set_rxfh = qede_set_rxfh,
2118        .get_ts_info = qede_get_ts_info,
2119        .get_channels = qede_get_channels,
2120        .set_channels = qede_set_channels,
2121        .self_test = qede_self_test,
2122        .get_module_info = qede_get_module_info,
2123        .get_module_eeprom = qede_get_module_eeprom,
2124        .get_eee = qede_get_eee,
2125        .set_eee = qede_set_eee,
2126
2127        .get_tunable = qede_get_tunable,
2128        .set_tunable = qede_set_tunable,
2129        .flash_device = qede_flash_device,
2130        .get_dump_flag = qede_get_dump_flag,
2131        .get_dump_data = qede_get_dump_data,
2132        .set_dump = qede_set_dump,
2133};
2134
2135static const struct ethtool_ops qede_vf_ethtool_ops = {
2136        .get_link_ksettings = qede_get_link_ksettings,
2137        .get_drvinfo = qede_get_drvinfo,
2138        .get_msglevel = qede_get_msglevel,
2139        .set_msglevel = qede_set_msglevel,
2140        .get_link = qede_get_link,
2141        .get_coalesce = qede_get_coalesce,
2142        .set_coalesce = qede_set_coalesce,
2143        .get_ringparam = qede_get_ringparam,
2144        .set_ringparam = qede_set_ringparam,
2145        .get_strings = qede_get_strings,
2146        .get_ethtool_stats = qede_get_ethtool_stats,
2147        .get_priv_flags = qede_get_priv_flags,
2148        .get_sset_count = qede_get_sset_count,
2149        .get_rxnfc = qede_get_rxnfc,
2150        .set_rxnfc = qede_set_rxnfc,
2151        .get_rxfh_indir_size = qede_get_rxfh_indir_size,
2152        .get_rxfh_key_size = qede_get_rxfh_key_size,
2153        .get_rxfh = qede_get_rxfh,
2154        .set_rxfh = qede_set_rxfh,
2155        .get_channels = qede_get_channels,
2156        .set_channels = qede_set_channels,
2157        .get_tunable = qede_get_tunable,
2158        .set_tunable = qede_set_tunable,
2159};
2160
2161void qede_set_ethtool_ops(struct net_device *dev)
2162{
2163        struct qede_dev *edev = netdev_priv(dev);
2164
2165        if (IS_VF(edev))
2166                dev->ethtool_ops = &qede_vf_ethtool_ops;
2167        else
2168                dev->ethtool_ops = &qede_ethtool_ops;
2169}
2170