drivers/net/qede/base/ecore_dcbx.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (c) 2016 - 2018 Cavium Inc.
   3  * All rights reserved.
   4  * www.cavium.com
   5  */
   6
   7 #include "bcm_osal.h"
   8 #include "ecore.h"
   9 #include "ecore_sp_commands.h"
  10 #include "ecore_dcbx.h"
  11 #include "ecore_cxt.h"
  12 #include "ecore_gtt_reg_addr.h"
  13 #include "ecore_iro.h"
  14 #include "ecore_iov_api.h"
  15
  16 #define ECORE_DCBX_MAX_MIB_READ_TRY     (100)
  17 #define ECORE_ETH_TYPE_DEFAULT          (0)
  18
  19 #define ECORE_DCBX_INVALID_PRIORITY     0xFF
  20
  21 /* Get Traffic Class from priority traffic class table, 4 bits represent
  22  * the traffic class corresponding to the priority.
  23  */
  24 #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
  25                 ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
  26
  27 static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
  28 {
  29         return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  30                   DCBX_APP_SF_ETHTYPE);
  31 }
  32
  33 static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
  34 {
  35         u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  36
  37         /* Old MFW */
  38         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  39                 return ecore_dcbx_app_ethtype(app_info_bitmap);
  40
  41         return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
  42 }
  43
  44 static bool ecore_dcbx_app_port(u32 app_info_bitmap)
  45 {
  46         return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  47                   DCBX_APP_SF_PORT);
  48 }
  49
  50 static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
  51 {
  52         u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  53
  54         /* Old MFW */
  55         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  56                 return ecore_dcbx_app_port(app_info_bitmap);
  57
  58         return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
  59 }
  60
  61 static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
  62 {
  63         bool ethtype;
  64
  65         if (ieee)
  66                 ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
  67         else
  68                 ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
  69
  70         return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
  71 }
  72
  73 static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap,
  74                                  u16 proto_id, bool ieee)
  75 {
  76         bool port;
  77
  78         if (!p_hwfn->p_dcbx_info->iwarp_port)
  79                 return false;
  80
  81         if (ieee)
  82                 port = ecore_dcbx_ieee_app_port(app_info_bitmap,
  83                                                 DCBX_APP_SF_IEEE_TCP_PORT);
  84         else
  85                 port = ecore_dcbx_app_port(app_info_bitmap);
  86
  87         return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port));
  88 }
  89
  90 static void
  91 ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
  92                        struct ecore_dcbx_results *p_data)
  93 {
  94         enum dcbx_protocol_type id;
  95         int i;
  96
  97         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
  98                    p_data->dcbx_enabled);
  99
 100         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
 101                 id = ecore_dcbx_app_update[i].id;
 102
 103                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 104                            "%s info: update %d, enable %d, prio %d, tc %d,"
 105                            " num_active_tc %d dscp_enable = %d dscp_val = %d\n",
 106                            ecore_dcbx_app_update[i].name,
 107                            p_data->arr[id].update,
 108                            p_data->arr[id].enable, p_data->arr[id].priority,
 109                            p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
 110                            p_data->arr[id].dscp_enable,
 111                            p_data->arr[id].dscp_val);
 112         }
 113 }
 114
 115 u8 ecore_dcbx_get_dscp_value(struct ecore_hwfn *p_hwfn, u8 pri)
 116 {
 117         struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
 118         u8 i;
 119
 120         if (!dscp->enabled)
 121                 return ECORE_DCBX_DSCP_DISABLED;
 122
 123         for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
 124                 if (pri == dscp->dscp_pri_map[i])
 125                         return i;
 126
 127         return ECORE_DCBX_DSCP_DISABLED;
 128 }
 129
 130 static void
 131 ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
 132                       struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 133                       bool enable, u8 prio, u8 tc,
 134                       enum dcbx_protocol_type type,
 135                       enum ecore_pci_personality personality)
 136 {
 137         /* PF update ramrod data */
 138         p_data->arr[type].enable = enable;
 139         p_data->arr[type].priority = prio;
 140         p_data->arr[type].tc = tc;
 141         p_data->arr[type].dscp_val = ecore_dcbx_get_dscp_value(p_hwfn, prio);
 142         if (p_data->arr[type].dscp_val == ECORE_DCBX_DSCP_DISABLED) {
 143                 p_data->arr[type].dscp_enable = false;
 144                 p_data->arr[type].dscp_val = 0;
 145         } else {
 146                 p_data->arr[type].dscp_enable = true;
 147         }
 148         p_data->arr[type].update = UPDATE_DCB_DSCP;
 149
 150         /* Do not add valn tag 0 when DCB is enabled and port is in UFP mode */
 151         if (OSAL_GET_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits))
 152                 p_data->arr[type].dont_add_vlan0 = true;
 153
 154         /* QM reconf data */
 155         if (p_hwfn->hw_info.personality == personality)
 156                 p_hwfn->hw_info.offload_tc = tc;
 157
 158         /* Configure dcbx vlan priority in doorbell block for roce EDPM */
 159         if (OSAL_GET_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits) &&
 160             type == DCBX_PROTOCOL_ROCE) {
 161                 ecore_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
 162                 ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_PCP, prio << 1);
 163         }
 164 }
 165
 166 /* Update app protocol data and hw_info fields with the TLV info */
 167 static void
 168 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
 169                            struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 170                            bool enable, u8 prio, u8 tc,
 171                            enum dcbx_protocol_type type)
 172 {
 173         enum ecore_pci_personality personality;
 174         enum dcbx_protocol_type id;
 175         int i;
 176
 177         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
 178                 id = ecore_dcbx_app_update[i].id;
 179
 180                 if (type != id)
 181                         continue;
 182
 183                 personality = ecore_dcbx_app_update[i].personality;
 184
 185                 ecore_dcbx_set_params(p_data, p_hwfn, p_ptt, enable,
 186                                       prio, tc, type, personality);
 187         }
 188 }
 189
 190 static enum _ecore_status_t
 191 ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
 192 {
 193         u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
 194         u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
 195         enum _ecore_status_t rc = ECORE_SUCCESS;
 196
 197         /* Bitmap 1 corresponds to priority 0, return priority 0 */
 198         if (pri_bitmap == 1) {
 199                 *priority = 0;
 200                 return rc;
 201         }
 202
 203         /* Choose the highest priority */
 204         while ((pri == ECORE_MAX_PFC_PRIORITIES) && index) {
 205                 pri_mask = 1 << index;
 206                 if (pri_bitmap & pri_mask)
 207                         pri = index;
 208                 index--;
 209         }
 210
 211         if (pri < ECORE_MAX_PFC_PRIORITIES)
 212                 *priority = (u8)pri;
 213         else
 214                 rc = ECORE_INVAL;
 215
 216         return rc;
 217 }
 218
 219 static bool
 220 ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
 221                                  u32 app_prio_bitmap, u16 id,
 222                                  enum dcbx_protocol_type *type, bool ieee)
 223 {
 224         if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
 225                 *type = DCBX_PROTOCOL_ETH;
 226         } else {
 227                 *type = DCBX_MAX_PROTOCOL_TYPE;
 228                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 229                             "No action required, App TLV entry = 0x%x\n",
 230                            app_prio_bitmap);
 231                 return false;
 232         }
 233
 234         return true;
 235 }
 236
 237 /* Parse app TLV's to update TC information in hw_info structure for
 238  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 239  */
 240 static enum _ecore_status_t
 241 ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 242                        struct ecore_dcbx_results *p_data,
 243                        struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
 244                        int count, u8 dcbx_version)
 245 {
 246         enum dcbx_protocol_type type;
 247         bool enable, ieee, eth_tlv;
 248         u8 tc, priority_map;
 249         u16 protocol_id;
 250         u8 priority;
 251         enum _ecore_status_t rc = ECORE_SUCCESS;
 252         int i;
 253
 254         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 255                    "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
 256                    count, pri_tc_tbl, dcbx_version);
 257
 258         ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
 259         eth_tlv = false;
 260         /* Parse APP TLV */
 261         for (i = 0; i < count; i++) {
 262                 protocol_id = GET_MFW_FIELD(p_tbl[i].entry,
 263                                             DCBX_APP_PROTOCOL_ID);
 264                 priority_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
 265                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
 266                            protocol_id, priority_map);
 267                 rc = ecore_dcbx_get_app_priority(priority_map, &priority);
 268                 if (rc == ECORE_INVAL) {
 269                         DP_ERR(p_hwfn, "Invalid priority\n");
 270                         return ECORE_INVAL;
 271                 }
 272
 273                 tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
 274                 if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 275                                                      protocol_id, &type,
 276                                                      ieee)) {
 277                         /* ETH always have the enable bit reset, as it gets
 278                          * vlan information per packet. For other protocols,
 279                          * should be set according to the dcbx_enabled
 280                          * indication, but we only got here if there was an
 281                          * app tlv for the protocol, so dcbx must be enabled.
 282                          */
 283                         if (type == DCBX_PROTOCOL_ETH) {
 284                                 enable = false;
 285                                 eth_tlv = true;
 286                         } else {
 287                                 enable = true;
 288                         }
 289
 290                         ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt,
 291                                                    enable, priority, tc, type);
 292                 }
 293         }
 294
 295         /* If Eth TLV is not detected, use UFP TC as default TC */
 296         if (OSAL_GET_BIT(ECORE_MF_UFP_SPECIFIC,
 297                           &p_hwfn->p_dev->mf_bits) && !eth_tlv)
 298                 p_data->arr[DCBX_PROTOCOL_ETH].tc = p_hwfn->ufp_info.tc;
 299
 300         /* Update ramrod protocol data and hw_info fields
 301          * with default info when corresponding APP TLV's are not detected.
 302          * The enabled field has a different logic for ethernet as only for
 303          * ethernet dcb should disabled by default, as the information arrives
 304          * from the OS (unless an explicit app tlv was present).
 305          */
 306         tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
 307         priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
 308         for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
 309                 if (p_data->arr[type].update)
 310                         continue;
 311
 312                 /* if no app tlv was present, don't override in FW */
 313                 ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt,
 314                                           p_data->arr[DCBX_PROTOCOL_ETH].enable,
 315                                           priority, tc, type);
 316         }
 317
 318         return ECORE_SUCCESS;
 319 }
 320
 321 /* Parse app TLV's to update TC information in hw_info structure for
 322  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 323  */
 324 static enum _ecore_status_t
 325 ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 326 {
 327         struct dcbx_app_priority_feature *p_app;
 328         struct dcbx_app_priority_entry *p_tbl;
 329         struct ecore_dcbx_results data;
 330         struct dcbx_ets_feature *p_ets;
 331         struct ecore_hw_info *p_info;
 332         u32 pri_tc_tbl, flags;
 333         u8 dcbx_version;
 334         int num_entries;
 335         enum _ecore_status_t rc = ECORE_SUCCESS;
 336
 337         flags = p_hwfn->p_dcbx_info->operational.flags;
 338         dcbx_version = GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION);
 339
 340         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
 341         p_tbl = p_app->app_pri_tbl;
 342
 343         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
 344         pri_tc_tbl = p_ets->pri_tc_tbl[0];
 345
 346         p_info = &p_hwfn->hw_info;
 347         num_entries = GET_MFW_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
 348
 349         OSAL_MEMSET(&data, 0, sizeof(struct ecore_dcbx_results));
 350         rc = ecore_dcbx_process_tlv(p_hwfn, p_ptt, &data, p_tbl, pri_tc_tbl,
 351                                     num_entries, dcbx_version);
 352         if (rc != ECORE_SUCCESS)
 353                 return rc;
 354
 355         p_info->num_active_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
 356         p_hwfn->qm_info.ooo_tc = GET_MFW_FIELD(p_ets->flags, DCBX_OOO_TC);
 357         data.pf_id = p_hwfn->rel_pf_id;
 358         data.dcbx_enabled = !!dcbx_version;
 359
 360         ecore_dcbx_dp_protocol(p_hwfn, &data);
 361
 362         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
 363                     sizeof(struct ecore_dcbx_results));
 364
 365         return ECORE_SUCCESS;
 366 }
 367
 368 static enum _ecore_status_t
 369 ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
 370                     struct ecore_ptt *p_ptt,
 371                     struct ecore_dcbx_mib_meta_data *p_data,
 372                     enum ecore_mib_read_type type)
 373 {
 374         u32 prefix_seq_num, suffix_seq_num;
 375         int read_count = 0;
 376         enum _ecore_status_t rc = ECORE_SUCCESS;
 377
 378         /* The data is considered to be valid only if both sequence numbers are
 379          * the same.
 380          */
 381         do {
 382                 if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
 383                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
 384                                           p_data->addr, p_data->size);
 385                         prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
 386                         suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
 387                 } else if (type == ECORE_DCBX_LLDP_TLVS) {
 388                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_tlvs,
 389                                           p_data->addr, p_data->size);
 390                         prefix_seq_num = p_data->lldp_tlvs->prefix_seq_num;
 391                         suffix_seq_num = p_data->lldp_tlvs->suffix_seq_num;
 392
 393                 } else {
 394                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
 395                                           p_data->addr, p_data->size);
 396                         prefix_seq_num = p_data->mib->prefix_seq_num;
 397                         suffix_seq_num = p_data->mib->suffix_seq_num;
 398                 }
 399                 read_count++;
 400
 401                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 402                            "mib type = %d, try count = %d prefix seq num  ="
 403                            " %d suffix seq num = %d\n",
 404                            type, read_count, prefix_seq_num, suffix_seq_num);
 405         } while ((prefix_seq_num != suffix_seq_num) &&
 406                  (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
 407
 408         if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
 409                 DP_ERR(p_hwfn,
 410                        "MIB read err, mib type = %d, try count ="
 411                        " %d prefix seq num = %d suffix seq num = %d\n",
 412                        type, read_count, prefix_seq_num, suffix_seq_num);
 413                 rc = ECORE_IO;
 414         }
 415
 416         return rc;
 417 }
 418
 419 static void
 420 ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
 421                              struct ecore_dcbx_app_prio *p_prio,
 422                              struct ecore_dcbx_results *p_results)
 423 {
 424         u8 val;
 425
 426         if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
 427             p_results->arr[DCBX_PROTOCOL_ETH].enable)
 428                 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
 429
 430         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 431                    "Priorities: eth %d\n",
 432                    p_prio->eth);
 433 }
 434
 435 static void
 436 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
 437                         struct dcbx_app_priority_feature *p_app,
 438                         struct dcbx_app_priority_entry *p_tbl,
 439                         struct ecore_dcbx_params *p_params, bool ieee)
 440 {
 441         struct ecore_app_entry *entry;
 442         u8 pri_map;
 443         int i;
 444
 445         p_params->app_willing = GET_MFW_FIELD(p_app->flags, DCBX_APP_WILLING);
 446         p_params->app_valid = GET_MFW_FIELD(p_app->flags, DCBX_APP_ENABLED);
 447         p_params->app_error = GET_MFW_FIELD(p_app->flags, DCBX_APP_ERROR);
 448         p_params->num_app_entries = GET_MFW_FIELD(p_app->flags,
 449                                                   DCBX_APP_NUM_ENTRIES);
 450         for (i = 0; i < p_params->num_app_entries; i++) {
 451                 entry = &p_params->app_entry[i];
 452                 if (ieee) {
 453                         u8 sf_ieee;
 454                         u32 val;
 455
 456                         sf_ieee = GET_MFW_FIELD(p_tbl[i].entry,
 457                                                 DCBX_APP_SF_IEEE);
 458                         switch (sf_ieee) {
 459                         case DCBX_APP_SF_IEEE_RESERVED:
 460                                 /* Old MFW */
 461                                 val = GET_MFW_FIELD(p_tbl[i].entry,
 462                                                     DCBX_APP_SF);
 463                                 entry->sf_ieee = val ?
 464                                         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
 465                                         ECORE_DCBX_SF_IEEE_ETHTYPE;
 466                                 break;
 467                         case DCBX_APP_SF_IEEE_ETHTYPE:
 468                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
 469                                 break;
 470                         case DCBX_APP_SF_IEEE_TCP_PORT:
 471                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
 472                                 break;
 473                         case DCBX_APP_SF_IEEE_UDP_PORT:
 474                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
 475                                 break;
 476                         case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
 477                                 entry->sf_ieee =
 478                                                 ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
 479                                 break;
 480                         }
 481                 } else {
 482                         entry->ethtype = !(GET_MFW_FIELD(p_tbl[i].entry,
 483                                                          DCBX_APP_SF));
 484                 }
 485
 486                 pri_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
 487                 ecore_dcbx_get_app_priority(pri_map, &entry->prio);
 488                 entry->proto_id = GET_MFW_FIELD(p_tbl[i].entry,
 489                                                 DCBX_APP_PROTOCOL_ID);
 490                 ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 491                                                  entry->proto_id,
 492                                                  &entry->proto_type, ieee);
 493         }
 494
 495         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 496                    "APP params: willing %d, valid %d error = %d\n",
 497                    p_params->app_willing, p_params->app_valid,
 498                    p_params->app_error);
 499 }
 500
 501 static void
 502 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
 503                         u32 pfc, struct ecore_dcbx_params *p_params)
 504 {
 505         u8 pfc_map;
 506
 507         p_params->pfc.willing = GET_MFW_FIELD(pfc, DCBX_PFC_WILLING);
 508         p_params->pfc.max_tc = GET_MFW_FIELD(pfc, DCBX_PFC_CAPS);
 509         p_params->pfc.enabled = GET_MFW_FIELD(pfc, DCBX_PFC_ENABLED);
 510         pfc_map = GET_MFW_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
 511         p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
 512         p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
 513         p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
 514         p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
 515         p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
 516         p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
 517         p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
 518         p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
 519
 520         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 521                    "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
 522                    p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
 523                    p_params->pfc.enabled);
 524 }
 525
 526 static void
 527 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
 528                         struct dcbx_ets_feature *p_ets,
 529                         struct ecore_dcbx_params *p_params)
 530 {
 531         u32 bw_map[2], tsa_map[2], pri_map;
 532         int i;
 533
 534         p_params->ets_willing = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_WILLING);
 535         p_params->ets_enabled = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_ENABLED);
 536         p_params->ets_cbs = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_CBS);
 537         p_params->max_ets_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
 538         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 539                    "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
 540                    p_params->ets_willing, p_params->ets_enabled,
 541                    p_params->ets_cbs, p_ets->pri_tc_tbl[0],
 542                    p_params->max_ets_tc);
 543
 544         /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
 545          * encoded in a type u32 array of size 2.
 546          */
 547         bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
 548         bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
 549         tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
 550         tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
 551         pri_map = p_ets->pri_tc_tbl[0];
 552         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
 553                 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
 554                 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
 555                 p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
 556                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 557                            "elem %d  bw_tbl %x tsa_tbl %x\n",
 558                            i, p_params->ets_tc_bw_tbl[i],
 559                            p_params->ets_tc_tsa_tbl[i]);
 560         }
 561 }
 562
 563 static void
 564 ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
 565                              struct dcbx_app_priority_feature *p_app,
 566                              struct dcbx_app_priority_entry *p_tbl,
 567                              struct dcbx_ets_feature *p_ets,
 568                              u32 pfc, struct ecore_dcbx_params *p_params,
 569                              bool ieee)
 570 {
 571         ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
 572         ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
 573         ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
 574 }
 575
 576 static void
 577 ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
 578                             struct ecore_dcbx_get *params)
 579 {
 580         struct dcbx_features *p_feat;
 581
 582         p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
 583         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 584                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 585                                      p_feat->pfc, &params->local.params, false);
 586         params->local.valid = true;
 587 }
 588
 589 static void
 590 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
 591                              struct ecore_dcbx_get *params)
 592 {
 593         struct dcbx_features *p_feat;
 594
 595         p_feat = &p_hwfn->p_dcbx_info->remote.features;
 596         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 597                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 598                                      p_feat->pfc, &params->remote.params,
 599                                      false);
 600         params->remote.valid = true;
 601 }
 602
 603 static void  ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
 604                                         struct ecore_dcbx_get *params)
 605 {
 606         struct ecore_dcbx_dscp_params *p_dscp;
 607         struct dcb_dscp_map *p_dscp_map;
 608         int i, j, entry;
 609         u32 pri_map;
 610
 611         p_dscp = &params->dscp;
 612         p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 613         p_dscp->enabled = GET_MFW_FIELD(p_dscp_map->flags, DCB_DSCP_ENABLE);
 614
 615         /* MFW encodes 64 dscp entries into 8 element array of u32 entries,
 616          * where each entry holds the 4bit priority map for 8 dscp entries.
 617          */
 618         for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
 619                 pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
 620                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
 621                            entry, pri_map);
 622                 for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
 623                         p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
 624                                                            (j * 4)) & 0xf;
 625         }
 626 }
 627
 628 static void
 629 ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
 630                                   struct ecore_dcbx_get *params)
 631 {
 632         struct ecore_dcbx_operational_params *p_operational;
 633         struct ecore_dcbx_results *p_results;
 634         struct dcbx_features *p_feat;
 635         bool enabled, err;
 636         u32 flags;
 637         bool val;
 638
 639         flags = p_hwfn->p_dcbx_info->operational.flags;
 640
 641         /* If DCBx version is non zero, then negotiation
 642          * was successfuly performed
 643          */
 644         p_operational = &params->operational;
 645         enabled = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) !=
 646                      DCBX_CONFIG_VERSION_DISABLED);
 647         if (!enabled) {
 648                 p_operational->enabled = enabled;
 649                 p_operational->valid = false;
 650                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
 651                 return;
 652         }
 653
 654         p_feat = &p_hwfn->p_dcbx_info->operational.features;
 655         p_results = &p_hwfn->p_dcbx_info->results;
 656
 657         val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
 658                  DCBX_CONFIG_VERSION_IEEE);
 659         p_operational->ieee = val;
 660
 661         val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
 662                  DCBX_CONFIG_VERSION_CEE);
 663         p_operational->cee = val;
 664
 665         val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
 666                  DCBX_CONFIG_VERSION_STATIC);
 667         p_operational->local = val;
 668
 669         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 670                    "Version support: ieee %d, cee %d, static %d\n",
 671                    p_operational->ieee, p_operational->cee,
 672                    p_operational->local);
 673
 674         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 675                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 676                                      p_feat->pfc, &params->operational.params,
 677                                      p_operational->ieee);
 678         ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
 679                                      p_results);
 680         err = GET_MFW_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
 681         p_operational->err = err;
 682         p_operational->enabled = enabled;
 683         p_operational->valid = true;
 684 }
 685
 686 static void ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
 687                                              struct ecore_dcbx_get *params)
 688 {
 689         struct lldp_config_params_s *p_local;
 690
 691         p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
 692
 693         OSAL_MEMCPY(params->lldp_local.local_chassis_id,
 694                     p_local->local_chassis_id,
 695                     sizeof(params->lldp_local.local_chassis_id));
 696         OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
 697                     sizeof(params->lldp_local.local_port_id));
 698 }
 699
 700 static void ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
 701                                               struct ecore_dcbx_get *params)
 702 {
 703         struct lldp_status_params_s *p_remote;
 704
 705         p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
 706
 707         OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
 708                     p_remote->peer_chassis_id,
 709                     sizeof(params->lldp_remote.peer_chassis_id));
 710         OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
 711                     sizeof(params->lldp_remote.peer_port_id));
 712 }
 713
 714 static enum _ecore_status_t
 715 ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn,
 716                       struct ecore_dcbx_get *p_params,
 717                       enum ecore_mib_read_type type)
 718 {
 719         switch (type) {
 720         case ECORE_DCBX_REMOTE_MIB:
 721                 ecore_dcbx_get_remote_params(p_hwfn, p_params);
 722                 break;
 723         case ECORE_DCBX_LOCAL_MIB:
 724                 ecore_dcbx_get_local_params(p_hwfn, p_params);
 725                 break;
 726         case ECORE_DCBX_OPERATIONAL_MIB:
 727                 ecore_dcbx_get_operational_params(p_hwfn, p_params);
 728                 break;
 729         case ECORE_DCBX_REMOTE_LLDP_MIB:
 730                 ecore_dcbx_get_remote_lldp_params(p_hwfn, p_params);
 731                 break;
 732         case ECORE_DCBX_LOCAL_LLDP_MIB:
 733                 ecore_dcbx_get_local_lldp_params(p_hwfn, p_params);
 734                 break;
 735         default:
 736                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 737                 return ECORE_INVAL;
 738         }
 739
 740         return ECORE_SUCCESS;
 741 }
 742
 743 static enum _ecore_status_t
 744 ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
 745                                struct ecore_ptt *p_ptt)
 746 {
 747         struct ecore_dcbx_mib_meta_data data;
 748         enum _ecore_status_t rc = ECORE_SUCCESS;
 749
 750         OSAL_MEM_ZERO(&data, sizeof(data));
 751         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 752                                                            lldp_config_params);
 753         data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
 754         data.size = sizeof(struct lldp_config_params_s);
 755         ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
 756
 757         return rc;
 758 }
 759
 760 static enum _ecore_status_t
 761 ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
 762                                 struct ecore_ptt *p_ptt,
 763                                 enum ecore_mib_read_type type)
 764 {
 765         struct ecore_dcbx_mib_meta_data data;
 766         enum _ecore_status_t rc = ECORE_SUCCESS;
 767
 768         OSAL_MEM_ZERO(&data, sizeof(data));
 769         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 770                                                            lldp_status_params);
 771         data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
 772         data.size = sizeof(struct lldp_status_params_s);
 773         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 774
 775         return rc;
 776 }
 777
 778 static enum _ecore_status_t
 779 ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
 780                                 struct ecore_ptt *p_ptt,
 781                                 enum ecore_mib_read_type type)
 782 {
 783         struct ecore_dcbx_mib_meta_data data;
 784         enum _ecore_status_t rc = ECORE_SUCCESS;
 785
 786         OSAL_MEM_ZERO(&data, sizeof(data));
 787         data.addr = p_hwfn->mcp_info->port_addr +
 788             offsetof(struct public_port, operational_dcbx_mib);
 789         data.mib = &p_hwfn->p_dcbx_info->operational;
 790         data.size = sizeof(struct dcbx_mib);
 791         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 792
 793         return rc;
 794 }
 795
 796 static enum _ecore_status_t
 797 ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
 798                            struct ecore_ptt *p_ptt,
 799                            enum ecore_mib_read_type type)
 800 {
 801         struct ecore_dcbx_mib_meta_data data;
 802         enum _ecore_status_t rc = ECORE_SUCCESS;
 803
 804         OSAL_MEM_ZERO(&data, sizeof(data));
 805         data.addr = p_hwfn->mcp_info->port_addr +
 806             offsetof(struct public_port, remote_dcbx_mib);
 807         data.mib = &p_hwfn->p_dcbx_info->remote;
 808         data.size = sizeof(struct dcbx_mib);
 809         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 810
 811         return rc;
 812 }
 813
 814 static enum _ecore_status_t
 815 ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 816 {
 817         struct ecore_dcbx_mib_meta_data data;
 818         enum _ecore_status_t rc = ECORE_SUCCESS;
 819
 820         OSAL_MEM_ZERO(&data, sizeof(data));
 821         data.addr = p_hwfn->mcp_info->port_addr +
 822             offsetof(struct public_port, local_admin_dcbx_mib);
 823         data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
 824         data.size = sizeof(struct dcbx_local_params);
 825         ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
 826                           data.addr, data.size);
 827
 828         return rc;
 829 }
 830
 831 static void
 832 ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 833 {
 834         struct ecore_dcbx_mib_meta_data data;
 835
 836         data.addr = p_hwfn->mcp_info->port_addr +
 837                         offsetof(struct public_port, dcb_dscp_map);
 838         data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 839         data.size = sizeof(struct dcb_dscp_map);
 840         ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
 841 }
 842
 843 static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
 844                                                 struct ecore_ptt *p_ptt,
 845                                                 enum ecore_mib_read_type type)
 846 {
 847         enum _ecore_status_t rc = ECORE_INVAL;
 848
 849         switch (type) {
 850         case ECORE_DCBX_OPERATIONAL_MIB:
 851                 ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
 852                 rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
 853                 break;
 854         case ECORE_DCBX_REMOTE_MIB:
 855                 rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
 856                 break;
 857         case ECORE_DCBX_LOCAL_MIB:
 858                 rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
 859                 break;
 860         case ECORE_DCBX_REMOTE_LLDP_MIB:
 861                 rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
 862                 break;
 863         case ECORE_DCBX_LOCAL_LLDP_MIB:
 864                 rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
 865                 break;
 866         default:
 867                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 868         }
 869
 870         return ECORE_SUCCESS;
 871 }
 872
 873 /*
 874  * Read updated MIB.
 875  * Reconfigure QM and invoke PF update ramrod command if operational MIB
 876  * change is detected.
 877  */
 878 enum _ecore_status_t
 879 ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 880                             enum ecore_mib_read_type type)
 881 {
 882         enum _ecore_status_t rc = ECORE_SUCCESS;
 883
 884         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
 885         if (rc)
 886                 return rc;
 887
 888         if (type == ECORE_DCBX_OPERATIONAL_MIB) {
 889                 ecore_dcbx_get_dscp_params(p_hwfn, &p_hwfn->p_dcbx_info->get);
 890
 891                 rc = ecore_dcbx_process_mib_info(p_hwfn, p_ptt);
 892                 if (!rc) {
 893                         /* reconfigure tcs of QM queues according
 894                          * to negotiation results
 895                          */
 896                         ecore_qm_reconf(p_hwfn, p_ptt);
 897
 898                         /* update storm FW with negotiation results */
 899                         ecore_sp_pf_update_dcbx(p_hwfn);
 900                 }
 901         }
 902
 903         ecore_dcbx_get_params(p_hwfn, &p_hwfn->p_dcbx_info->get, type);
 904
 905         /* Update the DSCP to TC mapping enable bit if required */
 906         if ((type == ECORE_DCBX_OPERATIONAL_MIB) &&
 907             p_hwfn->p_dcbx_info->dscp_nig_update) {
 908                 u8 val = !!p_hwfn->p_dcbx_info->get.dscp.enabled;
 909                 u32 addr = NIG_REG_DSCP_TO_TC_MAP_ENABLE;
 910
 911                 rc = ecore_all_ppfids_wr(p_hwfn, p_ptt, addr, val);
 912                 if (rc != ECORE_SUCCESS) {
 913                         DP_NOTICE(p_hwfn, false,
 914                                   "Failed to update the DSCP to TC mapping enable bit\n");
 915                         return rc;
 916                 }
 917
 918                 p_hwfn->p_dcbx_info->dscp_nig_update = false;
 919         }
 920
 921         OSAL_DCBX_AEN(p_hwfn, type);
 922
 923         return rc;
 924 }
 925
 926 enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
 927 {
 928         p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
 929                                           sizeof(*p_hwfn->p_dcbx_info));
 930         if (!p_hwfn->p_dcbx_info) {
 931                 DP_NOTICE(p_hwfn, false,
 932                           "Failed to allocate `struct ecore_dcbx_info'");
 933                 return ECORE_NOMEM;
 934         }
 935
 936         p_hwfn->p_dcbx_info->iwarp_port =
 937                 p_hwfn->pf_params.rdma_pf_params.iwarp_port;
 938
 939         return ECORE_SUCCESS;
 940 }
 941
 942 void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn)
 943 {
 944         OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
 945 }
 946
 947 static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
 948                                             struct ecore_dcbx_results *p_src,
 949                                             enum dcbx_protocol_type type)
 950 {
 951         p_data->dcb_enable_flag = p_src->arr[type].enable;
 952         p_data->dcb_priority = p_src->arr[type].priority;
 953         p_data->dcb_tc = p_src->arr[type].tc;
 954         p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
 955         p_data->dscp_val = p_src->arr[type].dscp_val;
 956         p_data->dcb_dont_add_vlan0 = p_src->arr[type].dont_add_vlan0;
 957 }
 958
 959 /* Set pf update ramrod command params */
 960 void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
 961                                      struct pf_update_ramrod_data *p_dest)
 962 {
 963         struct protocol_dcb_data *p_dcb_data;
 964         u8 update_flag;
 965
 966         update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
 967         p_dest->update_eth_dcb_data_mode = update_flag;
 968         update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update;
 969         p_dest->update_iwarp_dcb_data_mode = update_flag;
 970
 971         p_dcb_data = &p_dest->eth_dcb_data;
 972         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
 973         p_dcb_data = &p_dest->iwarp_dcb_data;
 974         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP);
 975 }
 976
 977 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
 978                                              struct ecore_dcbx_get *p_get,
 979                                              enum ecore_mib_read_type type)
 980 {
 981         struct ecore_ptt *p_ptt;
 982         enum _ecore_status_t rc;
 983
 984         if (IS_VF(p_hwfn->p_dev))
 985                 return ECORE_INVAL;
 986
 987         p_ptt = ecore_ptt_acquire(p_hwfn);
 988         if (!p_ptt)
 989                 return ECORE_TIMEOUT;
 990
 991         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
 992         if (rc != ECORE_SUCCESS)
 993                 goto out;
 994
 995         ecore_dcbx_get_dscp_params(p_hwfn, p_get);
 996
 997         rc = ecore_dcbx_get_params(p_hwfn, p_get, type);
 998
 999 out:
1000         ecore_ptt_release(p_hwfn, p_ptt);
1001         return rc;
1002 }
1003
1004 static void
1005 ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
1006                         u32 *pfc, struct ecore_dcbx_params *p_params)
1007 {
1008         u8 pfc_map = 0;
1009         int i;
1010
1011         if (p_params->pfc.willing)
1012                 *pfc |= DCBX_PFC_WILLING_MASK;
1013         else
1014                 *pfc &= ~DCBX_PFC_WILLING_MASK;
1015
1016         if (p_params->pfc.enabled)
1017                 *pfc |= DCBX_PFC_ENABLED_MASK;
1018         else
1019                 *pfc &= ~DCBX_PFC_ENABLED_MASK;
1020
1021         *pfc &= ~DCBX_PFC_CAPS_MASK;
1022         *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_OFFSET;
1023
1024         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
1025                 if (p_params->pfc.prio[i])
1026                         pfc_map |= (1 << i);
1027         *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
1028         *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_OFFSET);
1029
1030         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
1031 }
1032
1033 static void
1034 ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
1035                         struct dcbx_ets_feature *p_ets,
1036                         struct ecore_dcbx_params *p_params)
1037 {
1038         u8 *bw_map, *tsa_map;
1039         u32 val;
1040         int i;
1041
1042         if (p_params->ets_willing)
1043                 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1044         else
1045                 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1046
1047         if (p_params->ets_cbs)
1048                 p_ets->flags |= DCBX_ETS_CBS_MASK;
1049         else
1050                 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1051
1052         if (p_params->ets_enabled)
1053                 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1054         else
1055                 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1056
1057         p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1058         p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_OFFSET;
1059
1060         bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1061         tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1062         p_ets->pri_tc_tbl[0] = 0;
1063         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
1064                 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1065                 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1066                 /* Copy the priority value to the corresponding 4 bits in the
1067                  * traffic class table.
1068                  */
1069                 val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1070                 p_ets->pri_tc_tbl[0] |= val;
1071         }
1072         for (i = 0; i < 2; i++) {
1073                 p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
1074                 p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
1075         }
1076
1077         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1078                    "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
1079                    p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
1080                    p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
1081                    p_ets->tc_tsa_tbl[1]);
1082 }
1083
1084 static void
1085 ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
1086                         struct dcbx_app_priority_feature *p_app,
1087                         struct ecore_dcbx_params *p_params, bool ieee)
1088 {
1089         u32 *entry;
1090         int i;
1091
1092         if (p_params->app_willing)
1093                 p_app->flags |= DCBX_APP_WILLING_MASK;
1094         else
1095                 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1096
1097         if (p_params->app_valid)
1098                 p_app->flags |= DCBX_APP_ENABLED_MASK;
1099         else
1100                 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1101
1102         p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1103         p_app->flags |= (u32)p_params->num_app_entries <<
1104                         DCBX_APP_NUM_ENTRIES_OFFSET;
1105
1106         for (i = 0; i < p_params->num_app_entries; i++) {
1107                 entry = &p_app->app_pri_tbl[i].entry;
1108                 *entry = 0;
1109                 if (ieee) {
1110                         *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1111                         switch (p_params->app_entry[i].sf_ieee) {
1112                         case ECORE_DCBX_SF_IEEE_ETHTYPE:
1113                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1114                                             DCBX_APP_SF_IEEE_OFFSET);
1115                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1116                                             DCBX_APP_SF_OFFSET);
1117                                 break;
1118                         case ECORE_DCBX_SF_IEEE_TCP_PORT:
1119                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1120                                             DCBX_APP_SF_IEEE_OFFSET);
1121                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1122                                             DCBX_APP_SF_OFFSET);
1123                                 break;
1124                         case ECORE_DCBX_SF_IEEE_UDP_PORT:
1125                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1126                                             DCBX_APP_SF_IEEE_OFFSET);
1127                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1128                                             DCBX_APP_SF_OFFSET);
1129                                 break;
1130                         case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
1131                                 *entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1132                                             DCBX_APP_SF_IEEE_OFFSET;
1133                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1134                                             DCBX_APP_SF_OFFSET);
1135                                 break;
1136                         }
1137                 } else {
1138                         *entry &= ~DCBX_APP_SF_MASK;
1139                         if (p_params->app_entry[i].ethtype)
1140                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1141                                             DCBX_APP_SF_OFFSET);
1142                         else
1143                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1144                                             DCBX_APP_SF_OFFSET);
1145                 }
1146                 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1147                 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1148                            DCBX_APP_PROTOCOL_ID_OFFSET);
1149                 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1150                 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1151                            DCBX_APP_PRI_MAP_OFFSET);
1152         }
1153
1154         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
1155 }
1156
1157 static void
1158 ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
1159                             struct dcbx_local_params *local_admin,
1160                             struct ecore_dcbx_set *params)
1161 {
1162         bool ieee = false;
1163
1164         local_admin->flags = 0;
1165         OSAL_MEMCPY(&local_admin->features,
1166                     &p_hwfn->p_dcbx_info->operational.features,
1167                     sizeof(local_admin->features));
1168
1169         if (params->enabled) {
1170                 local_admin->config = params->ver_num;
1171                 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1172         } else {
1173                 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1174         }
1175
1176         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx version = %d\n",
1177                    local_admin->config);
1178
1179         if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
1180                 ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1181                                         &params->config.params);
1182
1183         if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
1184                 ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1185                                         &params->config.params);
1186
1187         if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
1188                 ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1189                                         &params->config.params, ieee);
1190 }
1191
1192 static enum _ecore_status_t
1193 ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
1194                            struct dcb_dscp_map *p_dscp_map,
1195                            struct ecore_dcbx_set *p_params)
1196 {
1197         int entry, i, j;
1198         u32 val;
1199
1200         OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
1201                     sizeof(*p_dscp_map));
1202
1203         p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
1204         if (p_params->dscp.enabled)
1205                 p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
1206
1207         for (i = 0, entry = 0; i < 8; i++) {
1208                 val = 0;
1209                 for (j = 0; j < 8; j++, entry++)
1210                         val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
1211                                 (j * 4));
1212
1213                 p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
1214         }
1215
1216         p_hwfn->p_dcbx_info->dscp_nig_update = true;
1217
1218         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
1219         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1220                    "pri_map[] = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1221                    p_dscp_map->dscp_pri_map[0], p_dscp_map->dscp_pri_map[1],
1222                    p_dscp_map->dscp_pri_map[2], p_dscp_map->dscp_pri_map[3],
1223                    p_dscp_map->dscp_pri_map[4], p_dscp_map->dscp_pri_map[5],
1224                    p_dscp_map->dscp_pri_map[6], p_dscp_map->dscp_pri_map[7]);
1225
1226         return ECORE_SUCCESS;
1227 }
1228
1229 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
1230                                               struct ecore_ptt *p_ptt,
1231                                               struct ecore_dcbx_set *params,
1232                                               bool hw_commit)
1233 {
1234         struct dcbx_local_params local_admin;
1235         struct ecore_dcbx_mib_meta_data data;
1236         struct dcb_dscp_map dscp_map;
1237         u32 resp = 0, param = 0;
1238         enum _ecore_status_t rc = ECORE_SUCCESS;
1239
1240         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
1241                     sizeof(p_hwfn->p_dcbx_info->set));
1242         if (!hw_commit)
1243                 return ECORE_SUCCESS;
1244
1245         OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
1246         ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
1247
1248         data.addr = p_hwfn->mcp_info->port_addr +
1249                         offsetof(struct public_port, local_admin_dcbx_mib);
1250         data.local_admin = &local_admin;
1251         data.size = sizeof(struct dcbx_local_params);
1252         ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1253
1254         if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
1255                 OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
1256                 ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
1257
1258                 data.addr = p_hwfn->mcp_info->port_addr +
1259                                 offsetof(struct public_port, dcb_dscp_map);
1260                 data.dscp_map = &dscp_map;
1261                 data.size = sizeof(struct dcb_dscp_map);
1262                 ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
1263                                 data.size);
1264         }
1265
1266         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1267                            1 << DRV_MB_PARAM_LLDP_SEND_OFFSET, &resp, &param);
1268         if (rc != ECORE_SUCCESS)
1269                 DP_NOTICE(p_hwfn, false,
1270                           "Failed to send DCBX update request\n");
1271
1272         return rc;
1273 }
1274
1275 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
1276                                                   struct ecore_dcbx_set *params)
1277 {
1278         struct ecore_dcbx_get *dcbx_info;
1279         int rc;
1280
1281         if (p_hwfn->p_dcbx_info->set.config.valid) {
1282                 OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1283                             sizeof(struct ecore_dcbx_set));
1284                 return ECORE_SUCCESS;
1285         }
1286
1287         dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1288                                sizeof(*dcbx_info));
1289         if (!dcbx_info)
1290                 return ECORE_NOMEM;
1291
1292         OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
1293         rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
1294                                      ECORE_DCBX_OPERATIONAL_MIB);
1295         if (rc) {
1296                 OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1297                 return rc;
1298         }
1299         p_hwfn->p_dcbx_info->set.override_flags = 0;
1300
1301         p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1302         if (dcbx_info->operational.cee)
1303                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1304         if (dcbx_info->operational.ieee)
1305                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1306         if (dcbx_info->operational.local)
1307                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
1308
1309         p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1310         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.dscp,
1311                     &p_hwfn->p_dcbx_info->get.dscp,
1312                     sizeof(struct ecore_dcbx_dscp_params));
1313         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
1314                     &dcbx_info->operational.params,
1315                     sizeof(p_hwfn->p_dcbx_info->set.config.params));
1316         p_hwfn->p_dcbx_info->set.config.valid = true;
1317
1318         OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1319                     sizeof(struct ecore_dcbx_set));
1320
1321         OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1322
1323         return ECORE_SUCCESS;
1324 }
1325
1326 enum _ecore_status_t ecore_lldp_register_tlv(struct ecore_hwfn *p_hwfn,
1327                                              struct ecore_ptt *p_ptt,
1328                                              enum ecore_lldp_agent agent,
1329                                              u8 tlv_type)
1330 {
1331         u32 mb_param = 0, mcp_resp = 0, mcp_param = 0, val = 0;
1332         enum _ecore_status_t rc = ECORE_SUCCESS;
1333
1334         switch (agent) {
1335         case ECORE_LLDP_NEAREST_BRIDGE:
1336                 val = LLDP_NEAREST_BRIDGE;
1337                 break;
1338         case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
1339                 val = LLDP_NEAREST_NON_TPMR_BRIDGE;
1340                 break;
1341         case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
1342                 val = LLDP_NEAREST_CUSTOMER_BRIDGE;
1343                 break;
1344         default:
1345                 DP_ERR(p_hwfn, "Invalid agent type %d\n", agent);
1346                 return ECORE_INVAL;
1347         }
1348
1349         SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val);
1350         SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_TLV_RX_TYPE, tlv_type);
1351
1352         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_REGISTER_LLDP_TLVS_RX,
1353                            mb_param, &mcp_resp, &mcp_param);
1354         if (rc != ECORE_SUCCESS)
1355                 DP_NOTICE(p_hwfn, false, "Failed to register TLV\n");
1356
1357         return rc;
1358 }
1359
1360 enum _ecore_status_t
1361 ecore_lldp_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
1362 {
1363         struct ecore_dcbx_mib_meta_data data;
1364         enum _ecore_status_t rc = ECORE_SUCCESS;
1365         struct lldp_received_tlvs_s tlvs;
1366         int i;
1367
1368         for (i = 0; i < LLDP_MAX_LLDP_AGENTS; i++) {
1369                 OSAL_MEM_ZERO(&data, sizeof(data));
1370                 data.addr = p_hwfn->mcp_info->port_addr +
1371                             offsetof(struct public_port, lldp_received_tlvs[i]);
1372                 data.lldp_tlvs = &tlvs;
1373                 data.size = sizeof(tlvs);
1374                 rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data,
1375                                          ECORE_DCBX_LLDP_TLVS);
1376                 if (rc != ECORE_SUCCESS) {
1377                         DP_NOTICE(p_hwfn, false, "Failed to read lldp TLVs\n");
1378                         return rc;
1379                 }
1380
1381                 if (!tlvs.length)
1382                         continue;
1383
1384                 for (i = 0; i < MAX_TLV_BUFFER; i++)
1385                         tlvs.tlvs_buffer[i] =
1386                                 OSAL_CPU_TO_BE32(tlvs.tlvs_buffer[i]);
1387
1388                 OSAL_LLDP_RX_TLVS(p_hwfn, tlvs.tlvs_buffer, tlvs.length);
1389         }
1390
1391         return rc;
1392 }
1393
1394 enum _ecore_status_t
1395 ecore_lldp_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1396                       struct ecore_lldp_config_params *p_params)
1397 {
1398         struct lldp_config_params_s lldp_params;
1399         u32 addr, val;
1400         int i;
1401
1402         switch (p_params->agent) {
1403         case ECORE_LLDP_NEAREST_BRIDGE:
1404                 val = LLDP_NEAREST_BRIDGE;
1405                 break;
1406         case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
1407                 val = LLDP_NEAREST_NON_TPMR_BRIDGE;
1408                 break;
1409         case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
1410                 val = LLDP_NEAREST_CUSTOMER_BRIDGE;
1411                 break;
1412         default:
1413                 DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
1414                 return ECORE_INVAL;
1415         }
1416
1417         addr = p_hwfn->mcp_info->port_addr +
1418                         offsetof(struct public_port, lldp_config_params[val]);
1419
1420         ecore_memcpy_from(p_hwfn, p_ptt, &lldp_params, addr,
1421                           sizeof(lldp_params));
1422
1423         p_params->tx_interval = GET_MFW_FIELD(lldp_params.config,
1424                                               LLDP_CONFIG_TX_INTERVAL);
1425         p_params->tx_hold = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD);
1426         p_params->tx_credit = GET_MFW_FIELD(lldp_params.config,
1427                                             LLDP_CONFIG_MAX_CREDIT);
1428         p_params->rx_enable = GET_MFW_FIELD(lldp_params.config,
1429                                             LLDP_CONFIG_ENABLE_RX);
1430         p_params->tx_enable = GET_MFW_FIELD(lldp_params.config,
1431                                             LLDP_CONFIG_ENABLE_TX);
1432
1433         OSAL_MEMCPY(p_params->chassis_id_tlv, lldp_params.local_chassis_id,
1434                     sizeof(p_params->chassis_id_tlv));
1435         for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++)
1436                 p_params->chassis_id_tlv[i] =
1437                                 OSAL_BE32_TO_CPU(p_params->chassis_id_tlv[i]);
1438
1439         OSAL_MEMCPY(p_params->port_id_tlv, lldp_params.local_port_id,
1440                     sizeof(p_params->port_id_tlv));
1441         for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++)
1442                 p_params->port_id_tlv[i] =
1443                                 OSAL_BE32_TO_CPU(p_params->port_id_tlv[i]);
1444
1445         return ECORE_SUCCESS;
1446 }
1447
1448 enum _ecore_status_t
1449 ecore_lldp_set_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1450                       struct ecore_lldp_config_params *p_params)
1451 {
1452         u32 mb_param = 0, mcp_resp = 0, mcp_param = 0;
1453         struct lldp_config_params_s lldp_params;
1454         enum _ecore_status_t rc = ECORE_SUCCESS;
1455         u32 addr, val;
1456         int i;
1457
1458         switch (p_params->agent) {
1459         case ECORE_LLDP_NEAREST_BRIDGE:
1460                 val = LLDP_NEAREST_BRIDGE;
1461                 break;
1462         case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
1463                 val = LLDP_NEAREST_NON_TPMR_BRIDGE;
1464                 break;
1465         case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
1466                 val = LLDP_NEAREST_CUSTOMER_BRIDGE;
1467                 break;
1468         default:
1469                 DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
1470                 return ECORE_INVAL;
1471         }
1472
1473         SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val);
1474         addr = p_hwfn->mcp_info->port_addr +
1475                         offsetof(struct public_port, lldp_config_params[val]);
1476
1477         OSAL_MEMSET(&lldp_params, 0, sizeof(lldp_params));
1478         SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_TX_INTERVAL,
1479                       p_params->tx_interval);
1480         SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD, p_params->tx_hold);
1481         SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_MAX_CREDIT,
1482                       p_params->tx_credit);
1483         SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_RX,
1484                       !!p_params->rx_enable);
1485         SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_TX,
1486                       !!p_params->tx_enable);
1487
1488         for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++)
1489                 p_params->chassis_id_tlv[i] =
1490                                 OSAL_CPU_TO_BE32(p_params->chassis_id_tlv[i]);
1491         OSAL_MEMCPY(lldp_params.local_chassis_id, p_params->chassis_id_tlv,
1492                     sizeof(lldp_params.local_chassis_id));
1493
1494         for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++)
1495                 p_params->port_id_tlv[i] =
1496                                 OSAL_CPU_TO_BE32(p_params->port_id_tlv[i]);
1497         OSAL_MEMCPY(lldp_params.local_port_id, p_params->port_id_tlv,
1498                     sizeof(lldp_params.local_port_id));
1499
1500         ecore_memcpy_to(p_hwfn, p_ptt, addr, &lldp_params, sizeof(lldp_params));
1501
1502         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP,
1503                            mb_param, &mcp_resp, &mcp_param);
1504         if (rc != ECORE_SUCCESS)
1505                 DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc);
1506
1507         return rc;
1508 }
1509
1510 enum _ecore_status_t
1511 ecore_lldp_set_system_tlvs(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1512                            struct ecore_lldp_sys_tlvs *p_params)
1513 {
1514         u32 mb_param = 0, mcp_resp = 0, mcp_param = 0;
1515         enum _ecore_status_t rc = ECORE_SUCCESS;
1516         struct lldp_system_tlvs_buffer_s lld_tlv_buf;
1517         u32 addr, *p_val;
1518         u8 len;
1519         int i;
1520
1521         p_val = (u32 *)p_params->buf;
1522         for (i = 0; i < ECORE_LLDP_SYS_TLV_SIZE / 4; i++)
1523                 p_val[i] = OSAL_CPU_TO_BE32(p_val[i]);
1524
1525         OSAL_MEMSET(&lld_tlv_buf, 0, sizeof(lld_tlv_buf));
1526         SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_VALID, 1);
1527         SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_MANDATORY,
1528                       !!p_params->discard_mandatory_tlv);
1529         SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_LENGTH,
1530                       p_params->buf_size);
1531         len = ECORE_LLDP_SYS_TLV_SIZE / 2;
1532         OSAL_MEMCPY(lld_tlv_buf.data, p_params->buf, len);
1533
1534         addr = p_hwfn->mcp_info->port_addr +
1535                 offsetof(struct public_port, system_lldp_tlvs_buf);
1536         ecore_memcpy_to(p_hwfn, p_ptt, addr, &lld_tlv_buf, sizeof(lld_tlv_buf));
1537
1538         if  (p_params->buf_size > len) {
1539                 addr = p_hwfn->mcp_info->port_addr +
1540                         offsetof(struct public_port, system_lldp_tlvs_buf2);
1541                 ecore_memcpy_to(p_hwfn, p_ptt, addr, &p_params->buf[len],
1542                                 ECORE_LLDP_SYS_TLV_SIZE / 2);
1543         }
1544
1545         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP,
1546                            mb_param, &mcp_resp, &mcp_param);
1547         if (rc != ECORE_SUCCESS)
1548                 DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc);
1549
1550         return rc;
1551 }
1552
1553 enum _ecore_status_t
1554 ecore_dcbx_get_dscp_priority(struct ecore_hwfn *p_hwfn,
1555                              u8 dscp_index, u8 *p_dscp_pri)
1556 {
1557         struct ecore_dcbx_get *p_dcbx_info;
1558         enum _ecore_status_t rc;
1559
1560         if (dscp_index >= ECORE_DCBX_DSCP_SIZE) {
1561                 DP_ERR(p_hwfn, "Invalid dscp index %d\n", dscp_index);
1562                 return ECORE_INVAL;
1563         }
1564
1565         p_dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1566                                  sizeof(*p_dcbx_info));
1567         if (!p_dcbx_info)
1568                 return ECORE_NOMEM;
1569
1570         OSAL_MEMSET(p_dcbx_info, 0, sizeof(*p_dcbx_info));
1571         rc = ecore_dcbx_query_params(p_hwfn, p_dcbx_info,
1572                                      ECORE_DCBX_OPERATIONAL_MIB);
1573         if (rc) {
1574                 OSAL_FREE(p_hwfn->p_dev, p_dcbx_info);
1575                 return rc;
1576         }
1577
1578         *p_dscp_pri = p_dcbx_info->dscp.dscp_pri_map[dscp_index];
1579         OSAL_FREE(p_hwfn->p_dev, p_dcbx_info);
1580
1581         return ECORE_SUCCESS;
1582 }
1583
1584 enum _ecore_status_t
1585 ecore_dcbx_set_dscp_priority(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1586                              u8 dscp_index, u8 pri_val)
1587 {
1588         struct ecore_dcbx_set dcbx_set;
1589         enum _ecore_status_t rc;
1590
1591         if (dscp_index >= ECORE_DCBX_DSCP_SIZE ||
1592             pri_val >= ECORE_MAX_PFC_PRIORITIES) {
1593                 DP_ERR(p_hwfn, "Invalid dscp params: index = %d pri = %d\n",
1594                        dscp_index, pri_val);
1595                 return ECORE_INVAL;
1596         }
1597
1598         OSAL_MEMSET(&dcbx_set, 0, sizeof(dcbx_set));
1599         rc = ecore_dcbx_get_config_params(p_hwfn, &dcbx_set);
1600         if (rc)
1601                 return rc;
1602
1603         dcbx_set.override_flags = ECORE_DCBX_OVERRIDE_DSCP_CFG;
1604         dcbx_set.dscp.dscp_pri_map[dscp_index] = pri_val;
1605
1606         return ecore_dcbx_config_params(p_hwfn, p_ptt, &dcbx_set, 1);
1607 }