drivers/net/qede/base/ecore_dcbx.c

   1 /*
   2  * Copyright (c) 2016 QLogic Corporation.
   3  * All rights reserved.
   4  * www.qlogic.com
   5  *
   6  * See LICENSE.qede_pmd for copyright and licensing details.
   7  */
   8
   9 #include "bcm_osal.h"
  10 #include "ecore.h"
  11 #include "ecore_sp_commands.h"
  12 #include "ecore_dcbx.h"
  13 #include "ecore_cxt.h"
  14 #include "ecore_gtt_reg_addr.h"
  15 #include "ecore_iro.h"
  16 #include "ecore_iov_api.h"
  17
  18 #define ECORE_DCBX_MAX_MIB_READ_TRY     (100)
  19 #define ECORE_ETH_TYPE_DEFAULT          (0)
  20
  21 #define ECORE_DCBX_INVALID_PRIORITY     0xFF
  22
  23 /* Get Traffic Class from priority traffic class table, 4 bits represent
  24  * the traffic class corresponding to the priority.
  25  */
  26 #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
  27                 ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
  28
  29 static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
  30 {
  31         return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  32                   DCBX_APP_SF_ETHTYPE);
  33 }
  34
  35 static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
  36 {
  37         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  38
  39         /* Old MFW */
  40         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  41                 return ecore_dcbx_app_ethtype(app_info_bitmap);
  42
  43         return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
  44 }
  45
  46 static bool ecore_dcbx_app_port(u32 app_info_bitmap)
  47 {
  48         return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  49                   DCBX_APP_SF_PORT);
  50 }
  51
  52 static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
  53 {
  54         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  55
  56         /* Old MFW */
  57         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  58                 return ecore_dcbx_app_port(app_info_bitmap);
  59
  60         return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
  61 }
  62
  63 static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
  64 {
  65         bool ethtype;
  66
  67         if (ieee)
  68                 ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
  69         else
  70                 ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
  71
  72         return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
  73 }
  74
  75 static void
  76 ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
  77                        struct ecore_dcbx_results *p_data)
  78 {
  79         enum dcbx_protocol_type id;
  80         int i;
  81
  82         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
  83                    p_data->dcbx_enabled);
  84
  85         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
  86                 id = ecore_dcbx_app_update[i].id;
  87
  88                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
  89                            "%s info: update %d, enable %d, prio %d, tc %d,"
  90                            " num_active_tc %d dscp_enable = %d dscp_val = %d\n",
  91                            ecore_dcbx_app_update[i].name,
  92                            p_data->arr[id].update,
  93                            p_data->arr[id].enable, p_data->arr[id].priority,
  94                            p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
  95                            p_data->arr[id].dscp_enable,
  96                            p_data->arr[id].dscp_val);
  97         }
  98 }
  99
 100 void
 101 ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
 102                       struct ecore_hwfn *p_hwfn,
 103                       bool enable, u8 prio, u8 tc,
 104                       enum dcbx_protocol_type type,
 105                       enum ecore_pci_personality personality)
 106 {
 107         struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
 108
 109         /* PF update ramrod data */
 110         p_data->arr[type].enable = enable;
 111         p_data->arr[type].priority = prio;
 112         p_data->arr[type].tc = tc;
 113         p_data->arr[type].dscp_enable = dscp->enabled;
 114         if (p_data->arr[type].dscp_enable) {
 115                 u8 i;
 116
 117                 for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
 118                         if (prio == dscp->dscp_pri_map[i]) {
 119                                 p_data->arr[type].dscp_val = i;
 120                                 break;
 121                         }
 122         }
 123
 124         if (enable && p_data->arr[type].dscp_enable)
 125                 p_data->arr[type].update = UPDATE_DCB_DSCP;
 126         else if (enable)
 127                 p_data->arr[type].update = UPDATE_DCB;
 128         else
 129                 p_data->arr[type].update = DONT_UPDATE_DCB_DSCP;
 130
 131         /* QM reconf data */
 132         if (p_hwfn->hw_info.personality == personality) {
 133                 p_hwfn->hw_info.offload_tc = tc;
 134                 if (personality == ECORE_PCI_ISCSI)
 135                         p_hwfn->hw_info.ooo_tc = DCBX_ISCSI_OOO_TC;
 136         }
 137 }
 138
 139 /* Update app protocol data and hw_info fields with the TLV info */
 140 static void
 141 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
 142                            struct ecore_hwfn *p_hwfn,
 143                            bool enable, u8 prio, u8 tc,
 144                            enum dcbx_protocol_type type)
 145 {
 146         enum ecore_pci_personality personality;
 147         enum dcbx_protocol_type id;
 148         const char *name;       /* @DPDK */
 149         int i;
 150
 151         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
 152                 id = ecore_dcbx_app_update[i].id;
 153
 154                 if (type != id)
 155                         continue;
 156
 157                 personality = ecore_dcbx_app_update[i].personality;
 158                 name = ecore_dcbx_app_update[i].name;
 159
 160                 ecore_dcbx_set_params(p_data, p_hwfn, enable,
 161                                       prio, tc, type, personality);
 162         }
 163 }
 164
 165 static enum _ecore_status_t
 166 ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
 167 {
 168         u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
 169         u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
 170         enum _ecore_status_t rc = ECORE_SUCCESS;
 171
 172         /* Bitmap 1 corresponds to priority 0, return priority 0 */
 173         if (pri_bitmap == 1) {
 174                 *priority = 0;
 175                 return rc;
 176         }
 177
 178         /* Choose the highest priority */
 179         while ((pri == ECORE_MAX_PFC_PRIORITIES) && index) {
 180                 pri_mask = 1 << index;
 181                 if (pri_bitmap & pri_mask)
 182                         pri = index;
 183                 index--;
 184         }
 185
 186         if (pri < ECORE_MAX_PFC_PRIORITIES)
 187                 *priority = (u8)pri;
 188         else
 189                 rc = ECORE_INVAL;
 190
 191         return rc;
 192 }
 193
 194 static bool
 195 ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
 196                                  u32 app_prio_bitmap, u16 id,
 197                                  enum dcbx_protocol_type *type, bool ieee)
 198 {
 199         if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
 200                 *type = DCBX_PROTOCOL_ETH;
 201         } else {
 202                 *type = DCBX_MAX_PROTOCOL_TYPE;
 203                 DP_ERR(p_hwfn,
 204                        "No action required, App TLV id = 0x%x"
 205                        " app_prio_bitmap = 0x%x\n",
 206                        id, app_prio_bitmap);
 207                 return false;
 208         }
 209
 210         return true;
 211 }
 212
 213 /*  Parse app TLV's to update TC information in hw_info structure for
 214  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 215  */
 216 static enum _ecore_status_t
 217 ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn,
 218                        struct ecore_dcbx_results *p_data,
 219                        struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
 220                        int count, u8 dcbx_version)
 221 {
 222         enum dcbx_protocol_type type;
 223         u8 tc, priority_map;
 224         bool enable, ieee;
 225         u16 protocol_id;
 226         u8 priority;
 227         enum _ecore_status_t rc = ECORE_SUCCESS;
 228         int i;
 229
 230         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 231                    "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
 232                    count, pri_tc_tbl, dcbx_version);
 233
 234         ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
 235         /* Parse APP TLV */
 236         for (i = 0; i < count; i++) {
 237                 protocol_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 238                                                   DCBX_APP_PROTOCOL_ID);
 239                 priority_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 240                                                    DCBX_APP_PRI_MAP);
 241                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
 242                            protocol_id, priority_map);
 243                 rc = ecore_dcbx_get_app_priority(priority_map, &priority);
 244                 if (rc == ECORE_INVAL) {
 245                         DP_ERR(p_hwfn, "Invalid priority\n");
 246                         return ECORE_INVAL;
 247                 }
 248
 249                 tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
 250                 if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 251                                                      protocol_id, &type,
 252                                                      ieee)) {
 253                         /* ETH always have the enable bit reset, as it gets
 254                          * vlan information per packet. For other protocols,
 255                          * should be set according to the dcbx_enabled
 256                          * indication, but we only got here if there was an
 257                          * app tlv for the protocol, so dcbx must be enabled.
 258                          */
 259                         enable = !(type == DCBX_PROTOCOL_ETH);
 260
 261                         ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
 262                                                    priority, tc, type);
 263                 }
 264         }
 265         /* Update ramrod protocol data and hw_info fields
 266          * with default info when corresponding APP TLV's are not detected.
 267          * The enabled field has a different logic for ethernet as only for
 268          * ethernet dcb should disabled by default, as the information arrives
 269          * from the OS (unless an explicit app tlv was present).
 270          */
 271         tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
 272         priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
 273         for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
 274                 if (p_data->arr[type].update)
 275                         continue;
 276
 277                 enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version;
 278                 ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
 279                                            priority, tc, type);
 280         }
 281
 282         return ECORE_SUCCESS;
 283 }
 284
 285 /* Parse app TLV's to update TC information in hw_info structure for
 286  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 287  */
 288 static enum _ecore_status_t
 289 ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn)
 290 {
 291         struct dcbx_app_priority_feature *p_app;
 292         enum _ecore_status_t rc = ECORE_SUCCESS;
 293         struct ecore_dcbx_results data = { 0 };
 294         struct dcbx_app_priority_entry *p_tbl;
 295         struct dcbx_ets_feature *p_ets;
 296         struct ecore_hw_info *p_info;
 297         u32 pri_tc_tbl, flags;
 298         u8 dcbx_version;
 299         int num_entries;
 300
 301         flags = p_hwfn->p_dcbx_info->operational.flags;
 302         dcbx_version = ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
 303
 304         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
 305         p_tbl = p_app->app_pri_tbl;
 306
 307         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
 308         pri_tc_tbl = p_ets->pri_tc_tbl[0];
 309
 310         p_info = &p_hwfn->hw_info;
 311         num_entries = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
 312
 313         rc = ecore_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
 314                                     num_entries, dcbx_version);
 315         if (rc != ECORE_SUCCESS)
 316                 return rc;
 317
 318         p_info->num_active_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
 319                                                     DCBX_ETS_MAX_TCS);
 320         data.pf_id = p_hwfn->rel_pf_id;
 321         data.dcbx_enabled = !!dcbx_version;
 322
 323         ecore_dcbx_dp_protocol(p_hwfn, &data);
 324
 325         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
 326                     sizeof(struct ecore_dcbx_results));
 327
 328         return ECORE_SUCCESS;
 329 }
 330
 331 static enum _ecore_status_t
 332 ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
 333                     struct ecore_ptt *p_ptt,
 334                     struct ecore_dcbx_mib_meta_data *p_data,
 335                     enum ecore_mib_read_type type)
 336 {
 337         enum _ecore_status_t rc = ECORE_SUCCESS;
 338         u32 prefix_seq_num, suffix_seq_num;
 339         int read_count = 0;
 340
 341         /* The data is considered to be valid only if both sequence numbers are
 342          * the same.
 343          */
 344         do {
 345                 if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
 346                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
 347                                           p_data->addr, p_data->size);
 348                         prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
 349                         suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
 350                 } else {
 351                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
 352                                           p_data->addr, p_data->size);
 353                         prefix_seq_num = p_data->mib->prefix_seq_num;
 354                         suffix_seq_num = p_data->mib->suffix_seq_num;
 355                 }
 356                 read_count++;
 357
 358                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 359                            "mib type = %d, try count = %d prefix seq num  ="
 360                            " %d suffix seq num = %d\n",
 361                            type, read_count, prefix_seq_num, suffix_seq_num);
 362         } while ((prefix_seq_num != suffix_seq_num) &&
 363                  (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
 364
 365         if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
 366                 DP_ERR(p_hwfn,
 367                        "MIB read err, mib type = %d, try count ="
 368                        " %d prefix seq num = %d suffix seq num = %d\n",
 369                        type, read_count, prefix_seq_num, suffix_seq_num);
 370                 rc = ECORE_IO;
 371         }
 372
 373         return rc;
 374 }
 375
 376 static void
 377 ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
 378                              struct ecore_dcbx_app_prio *p_prio,
 379                              struct ecore_dcbx_results *p_results)
 380 {
 381         u8 val;
 382
 383         if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
 384             p_results->arr[DCBX_PROTOCOL_ETH].enable)
 385                 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
 386
 387         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 388                    "Priorities: eth %d\n",
 389                    p_prio->eth);
 390 }
 391
 392 static void
 393 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
 394                         struct dcbx_app_priority_feature *p_app,
 395                         struct dcbx_app_priority_entry *p_tbl,
 396                         struct ecore_dcbx_params *p_params, bool ieee)
 397 {
 398         struct ecore_app_entry *entry;
 399         u8 pri_map;
 400         int i;
 401
 402         p_params->app_willing = ECORE_MFW_GET_FIELD(p_app->flags,
 403                                                     DCBX_APP_WILLING);
 404         p_params->app_valid = ECORE_MFW_GET_FIELD(p_app->flags,
 405                                                   DCBX_APP_ENABLED);
 406         p_params->app_error = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
 407         p_params->num_app_entries = ECORE_MFW_GET_FIELD(p_app->flags,
 408                                                         DCBX_APP_NUM_ENTRIES);
 409         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
 410                 entry = &p_params->app_entry[i];
 411                 if (ieee) {
 412                         u8 sf_ieee;
 413                         u32 val;
 414
 415                         sf_ieee = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 416                                                       DCBX_APP_SF_IEEE);
 417                         switch (sf_ieee) {
 418                         case DCBX_APP_SF_IEEE_RESERVED:
 419                                 /* Old MFW */
 420                                 val = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 421                                                             DCBX_APP_SF);
 422                                 entry->sf_ieee = val ?
 423                                         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
 424                                         ECORE_DCBX_SF_IEEE_ETHTYPE;
 425                                 break;
 426                         case DCBX_APP_SF_IEEE_ETHTYPE:
 427                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
 428                                 break;
 429                         case DCBX_APP_SF_IEEE_TCP_PORT:
 430                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
 431                                 break;
 432                         case DCBX_APP_SF_IEEE_UDP_PORT:
 433                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
 434                                 break;
 435                         case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
 436                                 entry->sf_ieee =
 437                                                 ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
 438                                 break;
 439                         }
 440                 } else {
 441                         entry->ethtype = !(ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 442                                                                DCBX_APP_SF));
 443                 }
 444
 445                 pri_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
 446                 ecore_dcbx_get_app_priority(pri_map, &entry->prio);
 447                 entry->proto_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 448                                                       DCBX_APP_PROTOCOL_ID);
 449                 ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 450                                                  entry->proto_id,
 451                                                  &entry->proto_type, ieee);
 452         }
 453
 454         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 455                    "APP params: willing %d, valid %d error = %d\n",
 456                    p_params->app_willing, p_params->app_valid,
 457                    p_params->app_error);
 458 }
 459
 460 static void
 461 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
 462                         u32 pfc, struct ecore_dcbx_params *p_params)
 463 {
 464         u8 pfc_map;
 465
 466         p_params->pfc.willing = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
 467         p_params->pfc.max_tc = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
 468         p_params->pfc.enabled = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
 469         pfc_map = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
 470         p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
 471         p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
 472         p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
 473         p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
 474         p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
 475         p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
 476         p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
 477         p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
 478
 479         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 480                    "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
 481                    p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
 482                    p_params->pfc.enabled);
 483 }
 484
 485 static void
 486 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
 487                         struct dcbx_ets_feature *p_ets,
 488                         struct ecore_dcbx_params *p_params)
 489 {
 490         u32 bw_map[2], tsa_map[2], pri_map;
 491         int i;
 492
 493         p_params->ets_willing = ECORE_MFW_GET_FIELD(p_ets->flags,
 494                                                     DCBX_ETS_WILLING);
 495         p_params->ets_enabled = ECORE_MFW_GET_FIELD(p_ets->flags,
 496                                                     DCBX_ETS_ENABLED);
 497         p_params->ets_cbs = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
 498         p_params->max_ets_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
 499                                                    DCBX_ETS_MAX_TCS);
 500         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 501                    "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
 502                    p_params->ets_willing, p_params->ets_enabled,
 503                    p_params->ets_cbs, p_ets->pri_tc_tbl[0],
 504                    p_params->max_ets_tc);
 505
 506         /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
 507          * encoded in a type u32 array of size 2.
 508          */
 509         bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
 510         bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
 511         tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
 512         tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
 513         pri_map = p_ets->pri_tc_tbl[0];
 514         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
 515                 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
 516                 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
 517                 p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
 518                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 519                            "elem %d  bw_tbl %x tsa_tbl %x\n",
 520                            i, p_params->ets_tc_bw_tbl[i],
 521                            p_params->ets_tc_tsa_tbl[i]);
 522         }
 523 }
 524
 525 static void
 526 ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
 527                              struct dcbx_app_priority_feature *p_app,
 528                              struct dcbx_app_priority_entry *p_tbl,
 529                              struct dcbx_ets_feature *p_ets,
 530                              u32 pfc, struct ecore_dcbx_params *p_params,
 531                              bool ieee)
 532 {
 533         ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
 534         ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
 535         ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
 536 }
 537
 538 static void
 539 ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
 540                             struct ecore_ptt *p_ptt,
 541                             struct ecore_dcbx_get *params)
 542 {
 543         struct dcbx_features *p_feat;
 544
 545         p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
 546         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 547                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 548                                      p_feat->pfc, &params->local.params, false);
 549         params->local.valid = true;
 550 }
 551
 552 static void
 553 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
 554                              struct ecore_ptt *p_ptt,
 555                              struct ecore_dcbx_get *params)
 556 {
 557         struct dcbx_features *p_feat;
 558
 559         p_feat = &p_hwfn->p_dcbx_info->remote.features;
 560         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 561                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 562                                      p_feat->pfc, &params->remote.params,
 563                                      false);
 564         params->remote.valid = true;
 565 }
 566
 567 static enum _ecore_status_t
 568 ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
 569                                   struct ecore_ptt *p_ptt,
 570                                   struct ecore_dcbx_get *params)
 571 {
 572         struct ecore_dcbx_operational_params *p_operational;
 573         struct ecore_dcbx_results *p_results;
 574         struct dcbx_features *p_feat;
 575         bool enabled, err;
 576         u32 flags;
 577         bool val;
 578
 579         flags = p_hwfn->p_dcbx_info->operational.flags;
 580
 581         /* If DCBx version is non zero, then negotiation
 582          * was successfuly performed
 583          */
 584         p_operational = &params->operational;
 585         enabled = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
 586                      DCBX_CONFIG_VERSION_DISABLED);
 587         if (!enabled) {
 588                 p_operational->enabled = enabled;
 589                 p_operational->valid = false;
 590                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
 591                 return ECORE_INVAL;
 592         }
 593
 594         p_feat = &p_hwfn->p_dcbx_info->operational.features;
 595         p_results = &p_hwfn->p_dcbx_info->results;
 596
 597         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 598                  DCBX_CONFIG_VERSION_IEEE);
 599         p_operational->ieee = val;
 600
 601         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 602                  DCBX_CONFIG_VERSION_CEE);
 603         p_operational->cee = val;
 604
 605         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 606                  DCBX_CONFIG_VERSION_STATIC);
 607         p_operational->local = val;
 608
 609         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 610                    "Version support: ieee %d, cee %d, static %d\n",
 611                    p_operational->ieee, p_operational->cee,
 612                    p_operational->local);
 613
 614         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 615                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 616                                      p_feat->pfc, &params->operational.params,
 617                                      p_operational->ieee);
 618         ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
 619                                      p_results);
 620         err = ECORE_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
 621         p_operational->err = err;
 622         p_operational->enabled = enabled;
 623         p_operational->valid = true;
 624
 625         return ECORE_SUCCESS;
 626 }
 627
 628 static void
 629 ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
 630                            struct ecore_ptt *p_ptt,
 631                            struct ecore_dcbx_get *params)
 632 {
 633         struct ecore_dcbx_dscp_params *p_dscp;
 634         struct dcb_dscp_map *p_dscp_map;
 635         int i, j, entry;
 636         u32 pri_map;
 637
 638         p_dscp = &params->dscp;
 639         p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 640         p_dscp->enabled = ECORE_MFW_GET_FIELD(p_dscp_map->flags,
 641                                               DCB_DSCP_ENABLE);
 642         /* MFW encodes 64 dscp entries into 8 element array of u32 entries,
 643          * where each entry holds the 4bit priority map for 8 dscp entries.
 644          */
 645         for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
 646                 pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
 647                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
 648                            entry, pri_map);
 649                 for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
 650                         p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
 651                                                            (j * 4)) & 0xf;
 652         }
 653 }
 654
 655 static void
 656 ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
 657                                  struct ecore_ptt *p_ptt,
 658                                  struct ecore_dcbx_get *params)
 659 {
 660         struct lldp_config_params_s *p_local;
 661
 662         p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
 663
 664         OSAL_MEMCPY(params->lldp_local.local_chassis_id,
 665                     p_local->local_chassis_id,
 666                     OSAL_ARRAY_SIZE(p_local->local_chassis_id));
 667         OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
 668                     OSAL_ARRAY_SIZE(p_local->local_port_id));
 669 }
 670
 671 static void
 672 ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
 673                                   struct ecore_ptt *p_ptt,
 674                                   struct ecore_dcbx_get *params)
 675 {
 676         struct lldp_status_params_s *p_remote;
 677
 678         p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
 679
 680         OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
 681                     p_remote->peer_chassis_id,
 682                     OSAL_ARRAY_SIZE(p_remote->peer_chassis_id));
 683         OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
 684                     OSAL_ARRAY_SIZE(p_remote->peer_port_id));
 685 }
 686
 687 static enum _ecore_status_t
 688 ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 689                       struct ecore_dcbx_get *p_params,
 690                       enum ecore_mib_read_type type)
 691 {
 692         enum _ecore_status_t rc = ECORE_SUCCESS;
 693
 694         switch (type) {
 695         case ECORE_DCBX_REMOTE_MIB:
 696                 ecore_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
 697                 break;
 698         case ECORE_DCBX_LOCAL_MIB:
 699                 ecore_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
 700                 break;
 701         case ECORE_DCBX_OPERATIONAL_MIB:
 702                 ecore_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
 703                 break;
 704         case ECORE_DCBX_REMOTE_LLDP_MIB:
 705                 ecore_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
 706                 break;
 707         case ECORE_DCBX_LOCAL_LLDP_MIB:
 708                 ecore_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
 709                 break;
 710         default:
 711                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 712                 return ECORE_INVAL;
 713         }
 714
 715         return rc;
 716 }
 717
 718 static enum _ecore_status_t
 719 ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
 720                                struct ecore_ptt *p_ptt)
 721 {
 722         struct ecore_dcbx_mib_meta_data data;
 723         enum _ecore_status_t rc = ECORE_SUCCESS;
 724
 725         OSAL_MEM_ZERO(&data, sizeof(data));
 726         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 727                                                            lldp_config_params);
 728         data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
 729         data.size = sizeof(struct lldp_config_params_s);
 730         ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
 731
 732         return rc;
 733 }
 734
 735 static enum _ecore_status_t
 736 ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
 737                                 struct ecore_ptt *p_ptt,
 738                                 enum ecore_mib_read_type type)
 739 {
 740         struct ecore_dcbx_mib_meta_data data;
 741         enum _ecore_status_t rc = ECORE_SUCCESS;
 742
 743         OSAL_MEM_ZERO(&data, sizeof(data));
 744         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 745                                                            lldp_status_params);
 746         data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
 747         data.size = sizeof(struct lldp_status_params_s);
 748         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 749
 750         return rc;
 751 }
 752
 753 static enum _ecore_status_t
 754 ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
 755                                 struct ecore_ptt *p_ptt,
 756                                 enum ecore_mib_read_type type)
 757 {
 758         struct ecore_dcbx_mib_meta_data data;
 759         enum _ecore_status_t rc = ECORE_SUCCESS;
 760
 761         OSAL_MEM_ZERO(&data, sizeof(data));
 762         data.addr = p_hwfn->mcp_info->port_addr +
 763             offsetof(struct public_port, operational_dcbx_mib);
 764         data.mib = &p_hwfn->p_dcbx_info->operational;
 765         data.size = sizeof(struct dcbx_mib);
 766         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 767
 768         return rc;
 769 }
 770
 771 static enum _ecore_status_t
 772 ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
 773                            struct ecore_ptt *p_ptt,
 774                            enum ecore_mib_read_type type)
 775 {
 776         struct ecore_dcbx_mib_meta_data data;
 777         enum _ecore_status_t rc = ECORE_SUCCESS;
 778
 779         OSAL_MEM_ZERO(&data, sizeof(data));
 780         data.addr = p_hwfn->mcp_info->port_addr +
 781             offsetof(struct public_port, remote_dcbx_mib);
 782         data.mib = &p_hwfn->p_dcbx_info->remote;
 783         data.size = sizeof(struct dcbx_mib);
 784         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 785
 786         return rc;
 787 }
 788
 789 static enum _ecore_status_t
 790 ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 791 {
 792         struct ecore_dcbx_mib_meta_data data;
 793         enum _ecore_status_t rc = ECORE_SUCCESS;
 794
 795         OSAL_MEM_ZERO(&data, sizeof(data));
 796         data.addr = p_hwfn->mcp_info->port_addr +
 797             offsetof(struct public_port, local_admin_dcbx_mib);
 798         data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
 799         data.size = sizeof(struct dcbx_local_params);
 800         ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
 801                           data.addr, data.size);
 802
 803         return rc;
 804 }
 805
 806 static void
 807 ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 808 {
 809         struct ecore_dcbx_mib_meta_data data;
 810
 811         data.addr = p_hwfn->mcp_info->port_addr +
 812                         offsetof(struct public_port, dcb_dscp_map);
 813         data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 814         data.size = sizeof(struct dcb_dscp_map);
 815         ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
 816 }
 817
 818 static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
 819                                                 struct ecore_ptt *p_ptt,
 820                                                 enum ecore_mib_read_type type)
 821 {
 822         enum _ecore_status_t rc = ECORE_INVAL;
 823
 824         switch (type) {
 825         case ECORE_DCBX_OPERATIONAL_MIB:
 826                 ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
 827                 rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
 828                 break;
 829         case ECORE_DCBX_REMOTE_MIB:
 830                 rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
 831                 break;
 832         case ECORE_DCBX_LOCAL_MIB:
 833                 rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
 834                 break;
 835         case ECORE_DCBX_REMOTE_LLDP_MIB:
 836                 rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
 837                 break;
 838         case ECORE_DCBX_LOCAL_LLDP_MIB:
 839                 rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
 840                 break;
 841         default:
 842                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 843         }
 844
 845         return rc;
 846 }
 847
 848 /*
 849  * Read updated MIB.
 850  * Reconfigure QM and invoke PF update ramrod command if operational MIB
 851  * change is detected.
 852  */
 853 enum _ecore_status_t
 854 ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 855                             enum ecore_mib_read_type type)
 856 {
 857         enum _ecore_status_t rc = ECORE_SUCCESS;
 858
 859         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
 860         if (rc)
 861                 return rc;
 862
 863         if (type == ECORE_DCBX_OPERATIONAL_MIB) {
 864                 ecore_dcbx_get_dscp_params(p_hwfn, p_ptt,
 865                                            &p_hwfn->p_dcbx_info->get);
 866
 867                 rc = ecore_dcbx_process_mib_info(p_hwfn);
 868                 if (!rc) {
 869                         bool enabled;
 870
 871                         /* reconfigure tcs of QM queues according
 872                          * to negotiation results
 873                          */
 874                         ecore_qm_reconf(p_hwfn, p_ptt);
 875
 876                         /* update storm FW with negotiation results */
 877                         ecore_sp_pf_update(p_hwfn);
 878
 879                         /* set eagle enigne 1 flow control workaround
 880                          * according to negotiation results
 881                          */
 882                         enabled = p_hwfn->p_dcbx_info->results.dcbx_enabled;
 883                 }
 884         }
 885         ecore_dcbx_get_params(p_hwfn, p_ptt, &p_hwfn->p_dcbx_info->get, type);
 886
 887         /* Update the DSCP to TC mapping bit if required */
 888         if ((type == ECORE_DCBX_OPERATIONAL_MIB) &&
 889             p_hwfn->p_dcbx_info->dscp_nig_update) {
 890                 ecore_wr(p_hwfn, p_ptt, NIG_REG_DSCP_TO_TC_MAP_ENABLE, 0x1);
 891                 p_hwfn->p_dcbx_info->dscp_nig_update = false;
 892         }
 893
 894         OSAL_DCBX_AEN(p_hwfn, type);
 895
 896         return rc;
 897 }
 898
 899 enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
 900 {
 901         enum _ecore_status_t rc = ECORE_SUCCESS;
 902
 903         p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
 904                                           sizeof(*p_hwfn->p_dcbx_info));
 905         if (!p_hwfn->p_dcbx_info) {
 906                 DP_NOTICE(p_hwfn, true,
 907                           "Failed to allocate `struct ecore_dcbx_info'");
 908                 rc = ECORE_NOMEM;
 909         }
 910
 911         return rc;
 912 }
 913
 914 void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn,
 915                           struct ecore_dcbx_info *p_dcbx_info)
 916 {
 917         OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
 918 }
 919
 920 static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
 921                                             struct ecore_dcbx_results *p_src,
 922                                             enum dcbx_protocol_type type)
 923 {
 924         p_data->dcb_enable_flag = p_src->arr[type].enable;
 925         p_data->dcb_priority = p_src->arr[type].priority;
 926         p_data->dcb_tc = p_src->arr[type].tc;
 927         p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
 928         p_data->dscp_val = p_src->arr[type].dscp_val;
 929 }
 930
 931 /* Set pf update ramrod command params */
 932 void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
 933                                      struct pf_update_ramrod_data *p_dest)
 934 {
 935         struct protocol_dcb_data *p_dcb_data;
 936         u8 update_flag;
 937
 938         p_dest->pf_id = p_src->pf_id;
 939
 940         update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
 941         p_dest->update_eth_dcb_data_mode = update_flag;
 942
 943         p_dcb_data = &p_dest->eth_dcb_data;
 944         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
 945 }
 946
 947 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
 948                                              struct ecore_dcbx_get *p_get,
 949                                              enum ecore_mib_read_type type)
 950 {
 951         struct ecore_ptt *p_ptt;
 952         enum _ecore_status_t rc;
 953
 954         if (IS_VF(p_hwfn->p_dev))
 955                 return ECORE_INVAL;
 956
 957         p_ptt = ecore_ptt_acquire(p_hwfn);
 958         if (!p_ptt) {
 959                 rc = ECORE_TIMEOUT;
 960                 DP_ERR(p_hwfn, "rc = %d\n", rc);
 961                 return rc;
 962         }
 963
 964         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
 965         if (rc != ECORE_SUCCESS)
 966                 goto out;
 967
 968         rc = ecore_dcbx_get_params(p_hwfn, p_ptt, p_get, type);
 969
 970 out:
 971         ecore_ptt_release(p_hwfn, p_ptt);
 972         return rc;
 973 }
 974
 975 static void
 976 ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
 977                         u32 *pfc, struct ecore_dcbx_params *p_params)
 978 {
 979         u8 pfc_map = 0;
 980         int i;
 981
 982         if (p_params->pfc.willing)
 983                 *pfc |= DCBX_PFC_WILLING_MASK;
 984         else
 985                 *pfc &= ~DCBX_PFC_WILLING_MASK;
 986
 987         if (p_params->pfc.enabled)
 988                 *pfc |= DCBX_PFC_ENABLED_MASK;
 989         else
 990                 *pfc &= ~DCBX_PFC_ENABLED_MASK;
 991
 992         *pfc &= ~DCBX_PFC_CAPS_MASK;
 993         *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
 994
 995         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
 996                 if (p_params->pfc.prio[i])
 997                         pfc_map |= (1 << i);
 998         *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
 999         *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
1000
1001         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
1002 }
1003
1004 static void
1005 ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
1006                         struct dcbx_ets_feature *p_ets,
1007                         struct ecore_dcbx_params *p_params)
1008 {
1009         u8 *bw_map, *tsa_map;
1010         u32 val;
1011         int i;
1012
1013         if (p_params->ets_willing)
1014                 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1015         else
1016                 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1017
1018         if (p_params->ets_cbs)
1019                 p_ets->flags |= DCBX_ETS_CBS_MASK;
1020         else
1021                 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1022
1023         if (p_params->ets_enabled)
1024                 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1025         else
1026                 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1027
1028         p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1029         p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
1030
1031         bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1032         tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1033         p_ets->pri_tc_tbl[0] = 0;
1034         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
1035                 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1036                 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1037                 /* Copy the priority value to the corresponding 4 bits in the
1038                  * traffic class table.
1039                  */
1040                 val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1041                 p_ets->pri_tc_tbl[0] |= val;
1042         }
1043         for (i = 0; i < 2; i++) {
1044                 p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
1045                 p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
1046         }
1047
1048         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1049                    "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
1050                    p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
1051                    p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
1052                    p_ets->tc_tsa_tbl[1]);
1053 }
1054
1055 static void
1056 ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
1057                         struct dcbx_app_priority_feature *p_app,
1058                         struct ecore_dcbx_params *p_params, bool ieee)
1059 {
1060         u32 *entry;
1061         int i;
1062
1063         if (p_params->app_willing)
1064                 p_app->flags |= DCBX_APP_WILLING_MASK;
1065         else
1066                 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1067
1068         if (p_params->app_valid)
1069                 p_app->flags |= DCBX_APP_ENABLED_MASK;
1070         else
1071                 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1072
1073         p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1074         p_app->flags |= (u32)p_params->num_app_entries <<
1075                                         DCBX_APP_NUM_ENTRIES_SHIFT;
1076
1077         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
1078                 entry = &p_app->app_pri_tbl[i].entry;
1079                 *entry = 0;
1080                 if (ieee) {
1081                         *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1082                         switch (p_params->app_entry[i].sf_ieee) {
1083                         case ECORE_DCBX_SF_IEEE_ETHTYPE:
1084                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1085                                             DCBX_APP_SF_IEEE_SHIFT);
1086                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1087                                             DCBX_APP_SF_SHIFT);
1088                                 break;
1089                         case ECORE_DCBX_SF_IEEE_TCP_PORT:
1090                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1091                                             DCBX_APP_SF_IEEE_SHIFT);
1092                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1093                                             DCBX_APP_SF_SHIFT);
1094                                 break;
1095                         case ECORE_DCBX_SF_IEEE_UDP_PORT:
1096                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1097                                             DCBX_APP_SF_IEEE_SHIFT);
1098                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1099                                             DCBX_APP_SF_SHIFT);
1100                                 break;
1101                         case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
1102                                 *entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1103                                             DCBX_APP_SF_IEEE_SHIFT;
1104                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1105                                             DCBX_APP_SF_SHIFT);
1106                                 break;
1107                         }
1108                 } else {
1109                         *entry &= ~DCBX_APP_SF_MASK;
1110                         if (p_params->app_entry[i].ethtype)
1111                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1112                                             DCBX_APP_SF_SHIFT);
1113                         else
1114                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1115                                             DCBX_APP_SF_SHIFT);
1116                 }
1117                 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1118                 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1119                                 DCBX_APP_PROTOCOL_ID_SHIFT);
1120                 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1121                 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1122                                 DCBX_APP_PRI_MAP_SHIFT);
1123         }
1124
1125         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
1126 }
1127
1128 static enum _ecore_status_t
1129 ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
1130                             struct dcbx_local_params *local_admin,
1131                             struct ecore_dcbx_set *params)
1132 {
1133         bool ieee = false;
1134
1135         local_admin->flags = 0;
1136         OSAL_MEMCPY(&local_admin->features,
1137                     &p_hwfn->p_dcbx_info->operational.features,
1138                     sizeof(local_admin->features));
1139
1140         if (params->enabled) {
1141                 local_admin->config = params->ver_num;
1142                 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1143         } else {
1144                 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1145         }
1146
1147         if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
1148                 ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1149                                         &params->config.params);
1150
1151         if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
1152                 ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1153                                         &params->config.params);
1154
1155         if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
1156                 ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1157                                         &params->config.params, ieee);
1158
1159         return ECORE_SUCCESS;
1160 }
1161
1162 static enum _ecore_status_t
1163 ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
1164                            struct dcb_dscp_map *p_dscp_map,
1165                            struct ecore_dcbx_set *p_params)
1166 {
1167         int entry, i, j;
1168         u32 val;
1169
1170         OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
1171                     sizeof(*p_dscp_map));
1172
1173         p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
1174         if (p_params->dscp.enabled)
1175                 p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
1176
1177         for (i = 0, entry = 0; i < 8; i++) {
1178                 val = 0;
1179                 for (j = 0; j < 8; j++, entry++)
1180                         val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
1181                                 (j * 4));
1182
1183                 p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
1184         }
1185
1186         p_hwfn->p_dcbx_info->dscp_nig_update = true;
1187
1188         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
1189
1190         return ECORE_SUCCESS;
1191 }
1192
1193 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
1194                                               struct ecore_ptt *p_ptt,
1195                                               struct ecore_dcbx_set *params,
1196                                               bool hw_commit)
1197 {
1198         struct dcbx_local_params local_admin;
1199         struct ecore_dcbx_mib_meta_data data;
1200         struct dcb_dscp_map dscp_map;
1201         u32 resp = 0, param = 0;
1202         enum _ecore_status_t rc = ECORE_SUCCESS;
1203
1204         if (!hw_commit) {
1205                 OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
1206                             sizeof(p_hwfn->p_dcbx_info->set));
1207                 return ECORE_SUCCESS;
1208         }
1209
1210         /* clear set-parmas cache */
1211         OSAL_MEMSET(&p_hwfn->p_dcbx_info->set, 0,
1212                     sizeof(struct ecore_dcbx_set));
1213
1214         OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
1215         ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
1216
1217         data.addr = p_hwfn->mcp_info->port_addr +
1218                         offsetof(struct public_port, local_admin_dcbx_mib);
1219         data.local_admin = &local_admin;
1220         data.size = sizeof(struct dcbx_local_params);
1221         ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1222
1223         if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
1224                 OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
1225                 ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
1226
1227                 data.addr = p_hwfn->mcp_info->port_addr +
1228                                 offsetof(struct public_port, dcb_dscp_map);
1229                 data.dscp_map = &dscp_map;
1230                 data.size = sizeof(struct dcb_dscp_map);
1231                 ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
1232                                 data.size);
1233         }
1234
1235         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1236                            1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, &param);
1237         if (rc != ECORE_SUCCESS) {
1238                 DP_NOTICE(p_hwfn, false,
1239                           "Failed to send DCBX update request\n");
1240                 return rc;
1241         }
1242
1243         return rc;
1244 }
1245
1246 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
1247                                                   struct ecore_dcbx_set *params)
1248 {
1249         struct ecore_dcbx_get *dcbx_info;
1250         int rc;
1251
1252         if (p_hwfn->p_dcbx_info->set.config.valid) {
1253                 OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1254                             sizeof(struct ecore_dcbx_set));
1255                 return ECORE_SUCCESS;
1256         }
1257
1258         dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1259                                sizeof(*dcbx_info));
1260         if (!dcbx_info) {
1261                 DP_ERR(p_hwfn, "Failed to allocate struct ecore_dcbx_info\n");
1262                 return ECORE_NOMEM;
1263         }
1264
1265         OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
1266         rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
1267                                      ECORE_DCBX_OPERATIONAL_MIB);
1268         if (rc) {
1269                 OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1270                 return rc;
1271         }
1272         p_hwfn->p_dcbx_info->set.override_flags = 0;
1273
1274         p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1275         if (dcbx_info->operational.cee)
1276                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1277         if (dcbx_info->operational.ieee)
1278                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1279         if (dcbx_info->operational.local)
1280                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
1281
1282         p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1283         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
1284                     &dcbx_info->operational.params,
1285                     sizeof(struct ecore_dcbx_admin_params));
1286         p_hwfn->p_dcbx_info->set.config.valid = true;
1287
1288         OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1289                     sizeof(struct ecore_dcbx_set));
1290
1291         OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1292
1293         return ECORE_SUCCESS;
1294 }