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