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
  17 #define ECORE_DCBX_MAX_MIB_READ_TRY     (100)
  18 #define ECORE_ETH_TYPE_DEFAULT          (0)
  19
  20 #define ECORE_DCBX_INVALID_PRIORITY     0xFF
  21
  22 /* Get Traffic Class from priority traffic class table, 4 bits represent
  23  * the traffic class corresponding to the priority.
  24  */
  25 #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
  26                 ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
  27
  28 static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
  29 {
  30         return (ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  31                 DCBX_APP_SF_ETHTYPE) ? true : false;
  32 }
  33
  34 static bool ecore_dcbx_app_port(u32 app_info_bitmap)
  35 {
  36         return (ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  37                 DCBX_APP_SF_PORT) ? true : false;
  38 }
  39
  40 static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
  41 {
  42         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  43
  44         /* Old MFW */
  45         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  46                 return ecore_dcbx_app_port(app_info_bitmap);
  47
  48         return (mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT) ?
  49                 true : false;
  50 }
  51
  52 static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id)
  53 {
  54         return (ecore_dcbx_app_ethtype(app_info_bitmap) &&
  55                 proto_id == ECORE_ETH_TYPE_DEFAULT) ? true : false;
  56 }
  57
  58 static bool ecore_dcbx_enabled(u32 dcbx_cfg_bitmap)
  59 {
  60         return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) ==
  61                 DCBX_CONFIG_VERSION_DISABLED) ? false : true;
  62 }
  63
  64 static bool ecore_dcbx_cee(u32 dcbx_cfg_bitmap)
  65 {
  66         return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) ==
  67                 DCBX_CONFIG_VERSION_CEE) ? true : false;
  68 }
  69
  70 static bool ecore_dcbx_ieee(u32 dcbx_cfg_bitmap)
  71 {
  72         return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) ==
  73                 DCBX_CONFIG_VERSION_IEEE) ? true : false;
  74 }
  75
  76 static bool ecore_dcbx_local(u32 dcbx_cfg_bitmap)
  77 {
  78         return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) ==
  79                 DCBX_CONFIG_VERSION_STATIC) ? true : false;
  80 }
  81
  82 /* @@@TBD A0 Eagle workaround */
  83 void ecore_dcbx_eagle_workaround(struct ecore_hwfn *p_hwfn,
  84                                  struct ecore_ptt *p_ptt, bool set_to_pfc)
  85 {
  86         if (!ENABLE_EAGLE_ENG1_WORKAROUND(p_hwfn))
  87                 return;
  88
  89         ecore_wr(p_hwfn, p_ptt,
  90                  YSEM_REG_FAST_MEMORY + 0x20000 /* RAM in FASTMEM */  +
  91                  YSTORM_FLOW_CONTROL_MODE_OFFSET,
  92                  set_to_pfc ? flow_ctrl_pfc : flow_ctrl_pause);
  93         ecore_wr(p_hwfn, p_ptt, NIG_REG_FLOWCTRL_MODE,
  94                  EAGLE_ENG1_WORKAROUND_NIG_FLOWCTRL_MODE);
  95 }
  96
  97 static void
  98 ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
  99                        struct ecore_dcbx_results *p_data)
 100 {
 101         struct ecore_hw_info *p_info = &p_hwfn->hw_info;
 102         enum dcbx_protocol_type id;
 103         u8 prio, tc, size, update;
 104         bool enable;
 105         const char *name;       /* @DPDK */
 106         int i;
 107
 108         size = OSAL_ARRAY_SIZE(ecore_dcbx_app_update);
 109
 110         DP_INFO(p_hwfn, "DCBX negotiated: %d\n", p_data->dcbx_enabled);
 111
 112         for (i = 0; i < size; i++) {
 113                 id = ecore_dcbx_app_update[i].id;
 114                 name = ecore_dcbx_app_update[i].name;
 115
 116                 enable = p_data->arr[id].enable;
 117                 update = p_data->arr[id].update;
 118                 tc = p_data->arr[id].tc;
 119                 prio = p_data->arr[id].priority;
 120
 121                 DP_INFO(p_hwfn,
 122                         "%s info: update %d, enable %d, prio %d, tc %d,"
 123                         " num_active_tc %d dscp_enable = %d dscp_val = %d\n",
 124                         name, update, enable, prio, tc, p_info->num_active_tc,
 125                         p_data->arr[id].dscp_enable, p_data->arr[id].dscp_val);
 126         }
 127 }
 128
 129 static void
 130 ecore_dcbx_set_pf_tcs(struct ecore_hw_info *p_info,
 131                       u8 tc, enum ecore_pci_personality personality)
 132 {
 133         /* QM reconf data */
 134         if (p_info->personality == personality)
 135                 p_info->offload_tc = tc;
 136 }
 137
 138 void
 139 ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
 140                       struct ecore_hwfn *p_hwfn,
 141                       bool enable, bool update, u8 prio, u8 tc,
 142                       enum dcbx_protocol_type type,
 143                       enum ecore_pci_personality personality)
 144 {
 145         struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
 146
 147         /* PF update ramrod data */
 148         p_data->arr[type].enable = enable;
 149         p_data->arr[type].priority = prio;
 150         p_data->arr[type].tc = tc;
 151         p_data->arr[type].dscp_enable = dscp->enabled;
 152         if (p_data->arr[type].dscp_enable) {
 153                 u8 i;
 154
 155                 for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
 156                         if (prio == dscp->dscp_pri_map[i]) {
 157                                 p_data->arr[type].dscp_val = i;
 158                                 break;
 159                         }
 160         }
 161
 162         if (enable && p_data->arr[type].dscp_enable)
 163                 p_data->arr[type].update = UPDATE_DCB_DSCP;
 164         else if (enable)
 165                 p_data->arr[type].update = UPDATE_DCB;
 166         else
 167                 p_data->arr[type].update = DONT_UPDATE_DCB_DHCP;
 168
 169         ecore_dcbx_set_pf_tcs(&p_hwfn->hw_info, tc, personality);
 170 }
 171
 172 /* Update app protocol data and hw_info fields with the TLV info */
 173 static void
 174 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
 175                            struct ecore_hwfn *p_hwfn,
 176                            bool enable, bool update, u8 prio, u8 tc,
 177                            enum dcbx_protocol_type type)
 178 {
 179         enum ecore_pci_personality personality;
 180         enum dcbx_protocol_type id;
 181         const char *name;       /* @DPDK */
 182         u8 size;
 183         int i;
 184
 185         size = OSAL_ARRAY_SIZE(ecore_dcbx_app_update);
 186
 187         for (i = 0; i < size; i++) {
 188                 id = ecore_dcbx_app_update[i].id;
 189
 190                 if (type != id)
 191                         continue;
 192
 193                 personality = ecore_dcbx_app_update[i].personality;
 194                 name = ecore_dcbx_app_update[i].name;
 195
 196                 ecore_dcbx_set_params(p_data, p_hwfn, enable, update,
 197                                       prio, tc, type, personality);
 198         }
 199 }
 200
 201 static enum _ecore_status_t
 202 ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
 203 {
 204         u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
 205         u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
 206         enum _ecore_status_t rc = ECORE_SUCCESS;
 207
 208         /* Bitmap 1 corresponds to priority 0, return priority 0 */
 209         if (pri_bitmap == 1) {
 210                 *priority = 0;
 211                 return rc;
 212         }
 213
 214         /* Choose the highest priority */
 215         while ((pri == ECORE_MAX_PFC_PRIORITIES) && index) {
 216                 pri_mask = 1 << index;
 217                 if (pri_bitmap & pri_mask)
 218                         pri = index;
 219                 index--;
 220         }
 221
 222         if (pri < ECORE_MAX_PFC_PRIORITIES)
 223                 *priority = (u8)pri;
 224         else
 225                 rc = ECORE_INVAL;
 226
 227         return rc;
 228 }
 229
 230 static bool
 231 ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
 232                                  u32 app_prio_bitmap, u16 id,
 233                                  enum dcbx_protocol_type *type, bool ieee)
 234 {
 235         bool status = false;
 236
 237         if (ecore_dcbx_default_tlv(app_prio_bitmap, id)) {
 238                 *type = DCBX_PROTOCOL_ETH;
 239                 status = true;
 240         } else {
 241                 *type = DCBX_MAX_PROTOCOL_TYPE;
 242                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 243                             "No action required, App TLV entry = 0x%x\n",
 244                            app_prio_bitmap);
 245         }
 246
 247         return status;
 248 }
 249
 250 /*  Parse app TLV's to update TC information in hw_info structure for
 251  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 252  */
 253 static enum _ecore_status_t
 254 ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn,
 255                        struct ecore_dcbx_results *p_data,
 256                        struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
 257                        int count, u8 dcbx_version)
 258 {
 259         enum _ecore_status_t rc = ECORE_SUCCESS;
 260         u8 tc, priority, priority_map;
 261         enum dcbx_protocol_type type;
 262         bool enable, ieee;
 263         u16 protocol_id;
 264         int i;
 265
 266         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Num APP entries = %d\n", count);
 267
 268         ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
 269         /* Parse APP TLV */
 270         for (i = 0; i < count; i++) {
 271                 protocol_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 272                                                   DCBX_APP_PROTOCOL_ID);
 273                 priority_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 274                                                    DCBX_APP_PRI_MAP);
 275                 rc = ecore_dcbx_get_app_priority(priority_map, &priority);
 276                 if (rc == ECORE_INVAL) {
 277                         DP_ERR(p_hwfn, "Invalid priority\n");
 278                         return rc;
 279                 }
 280
 281                 tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
 282                 if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 283                                                      protocol_id, &type,
 284                                                      ieee)) {
 285                         /* ETH always have the enable bit reset, as it gets
 286                          * vlan information per packet. For other protocols,
 287                          * should be set according to the dcbx_enabled
 288                          * indication, but we only got here if there was an
 289                          * app tlv for the protocol, so dcbx must be enabled.
 290                          */
 291                         enable = (type == DCBX_PROTOCOL_ETH ? false : true);
 292
 293                         ecore_dcbx_update_app_info(p_data, p_hwfn, enable, true,
 294                                                    priority, tc, type);
 295                 }
 296         }
 297         /* Update ramrod protocol data and hw_info fields
 298          * with default info when corresponding APP TLV's are not detected.
 299          * The enabled field has a different logic for ethernet as only for
 300          * ethernet dcb should disabled by default, as the information arrives
 301          * from the OS (unless an explicit app tlv was present).
 302          */
 303         tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
 304         priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
 305         for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
 306                 if (p_data->arr[type].update)
 307                         continue;
 308
 309                 enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version;
 310                 ecore_dcbx_update_app_info(p_data, p_hwfn, enable, true,
 311                                            priority, tc, type);
 312         }
 313
 314         return ECORE_SUCCESS;
 315 }
 316
 317 /* Parse app TLV's to update TC information in hw_info structure for
 318  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 319  */
 320 static enum _ecore_status_t
 321 ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn)
 322 {
 323         struct dcbx_app_priority_feature *p_app;
 324         enum _ecore_status_t rc = ECORE_SUCCESS;
 325         struct ecore_dcbx_results data = { 0 };
 326         struct dcbx_app_priority_entry *p_tbl;
 327         struct dcbx_ets_feature *p_ets;
 328         struct ecore_hw_info *p_info;
 329         u32 pri_tc_tbl, flags;
 330         u8 dcbx_version;
 331         int num_entries;
 332
 333         flags = p_hwfn->p_dcbx_info->operational.flags;
 334         dcbx_version = ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
 335
 336         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
 337         p_tbl = p_app->app_pri_tbl;
 338
 339         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
 340         pri_tc_tbl = p_ets->pri_tc_tbl[0];
 341
 342         p_info = &p_hwfn->hw_info;
 343         num_entries = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
 344
 345         rc = ecore_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
 346                                     num_entries, dcbx_version);
 347         if (rc != ECORE_SUCCESS)
 348                 return rc;
 349
 350         p_info->num_active_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
 351                                                     DCBX_ETS_MAX_TCS);
 352         data.pf_id = p_hwfn->rel_pf_id;
 353         data.dcbx_enabled = !!dcbx_version;
 354
 355         ecore_dcbx_dp_protocol(p_hwfn, &data);
 356
 357         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
 358                     sizeof(struct ecore_dcbx_results));
 359
 360         return ECORE_SUCCESS;
 361 }
 362
 363 static enum _ecore_status_t
 364 ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
 365                     struct ecore_ptt *p_ptt,
 366                     struct ecore_dcbx_mib_meta_data *p_data,
 367                     enum ecore_mib_read_type type)
 368 {
 369         enum _ecore_status_t rc = ECORE_SUCCESS;
 370         u32 prefix_seq_num, suffix_seq_num;
 371         int read_count = 0;
 372
 373         do {
 374                 if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
 375                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
 376                                           p_data->addr, p_data->size);
 377                         prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
 378                         suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
 379                 } else {
 380                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
 381                                           p_data->addr, p_data->size);
 382                         prefix_seq_num = p_data->mib->prefix_seq_num;
 383                         suffix_seq_num = p_data->mib->suffix_seq_num;
 384                 }
 385                 read_count++;
 386
 387                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 388                            "mib type = %d, try count = %d prefix seq num  ="
 389                            " %d suffix seq num = %d\n",
 390                            type, read_count, prefix_seq_num, suffix_seq_num);
 391         } while ((prefix_seq_num != suffix_seq_num) &&
 392                  (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
 393
 394         if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
 395                 DP_ERR(p_hwfn,
 396                        "MIB read err, mib type = %d, try count ="
 397                        " %d prefix seq num = %d suffix seq num = %d\n",
 398                        type, read_count, prefix_seq_num, suffix_seq_num);
 399                 rc = ECORE_IO;
 400         }
 401
 402         return rc;
 403 }
 404
 405 static enum _ecore_status_t
 406 ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
 407                              struct ecore_dcbx_app_prio *p_prio,
 408                              struct ecore_dcbx_results *p_results)
 409 {
 410         enum _ecore_status_t rc = ECORE_SUCCESS;
 411
 412         if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
 413             p_results->arr[DCBX_PROTOCOL_ETH].enable) {
 414                 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
 415                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 416                            "Priority: eth %d\n", p_prio->eth);
 417         }
 418
 419         return rc;
 420 }
 421
 422 static void
 423 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
 424                         struct dcbx_app_priority_feature *p_app,
 425                         struct dcbx_app_priority_entry *p_tbl,
 426                         struct ecore_dcbx_params *p_params, bool ieee)
 427 {
 428         struct ecore_app_entry *entry;
 429         u8 pri_map;
 430         int i;
 431
 432         p_params->app_willing = ECORE_MFW_GET_FIELD(p_app->flags,
 433                                                     DCBX_APP_WILLING);
 434         p_params->app_valid = ECORE_MFW_GET_FIELD(p_app->flags,
 435                                                   DCBX_APP_ENABLED);
 436         p_params->app_error = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
 437         p_params->num_app_entries = ECORE_MFW_GET_FIELD(p_app->flags,
 438                                                         DCBX_APP_NUM_ENTRIES);
 439         for (i = 0; i < p_params->num_app_entries; i++) {
 440                 entry = &p_params->app_entry[i];
 441                 if (ieee) {
 442                         u8 sf_ieee;
 443                         u32 val;
 444
 445                         sf_ieee = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 446                                                       DCBX_APP_SF_IEEE);
 447                         switch (sf_ieee) {
 448                         case DCBX_APP_SF_IEEE_RESERVED:
 449                                 /* Old MFW */
 450                                 val = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 451                                                             DCBX_APP_SF);
 452                                 entry->sf_ieee = val ?
 453                                         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
 454                                         ECORE_DCBX_SF_IEEE_ETHTYPE;
 455                                 break;
 456                         case DCBX_APP_SF_IEEE_ETHTYPE:
 457                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
 458                                 break;
 459                         case DCBX_APP_SF_IEEE_TCP_PORT:
 460                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
 461                                 break;
 462                         case DCBX_APP_SF_IEEE_UDP_PORT:
 463                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
 464                                 break;
 465                         case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
 466                                 entry->sf_ieee =
 467                                                 ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
 468                                 break;
 469                         }
 470                 } else {
 471                         entry->ethtype = !(ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 472                                                                DCBX_APP_SF));
 473                 }
 474
 475                 pri_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
 476                 ecore_dcbx_get_app_priority(pri_map, &entry->prio);
 477                 entry->proto_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 478                                                       DCBX_APP_PROTOCOL_ID);
 479                 ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 480                                                  entry->proto_id,
 481                                                  &entry->proto_type, ieee);
 482         }
 483
 484         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 485                    "APP params: willing %d, valid %d error = %d\n",
 486                    p_params->app_willing, p_params->app_valid,
 487                    p_params->app_error);
 488 }
 489
 490 static void
 491 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
 492                         u32 pfc, struct ecore_dcbx_params *p_params)
 493 {
 494         u8 pfc_map;
 495
 496         p_params->pfc.willing = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
 497         p_params->pfc.max_tc = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
 498         p_params->pfc.enabled = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
 499         pfc_map = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
 500         p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
 501         p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
 502         p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
 503         p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
 504         p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
 505         p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
 506         p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
 507         p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
 508
 509         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 510                    "PFC params: willing %d, pfc_bitmap %d\n",
 511                    p_params->pfc.willing, pfc_map);
 512 }
 513
 514 static void
 515 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
 516                         struct dcbx_ets_feature *p_ets,
 517                         struct ecore_dcbx_params *p_params)
 518 {
 519         u32 bw_map[2], tsa_map[2], pri_map;
 520         int i;
 521
 522         p_params->ets_willing = ECORE_MFW_GET_FIELD(p_ets->flags,
 523                                                     DCBX_ETS_WILLING);
 524         p_params->ets_enabled = ECORE_MFW_GET_FIELD(p_ets->flags,
 525                                                     DCBX_ETS_ENABLED);
 526         p_params->ets_cbs = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
 527         p_params->max_ets_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
 528                                                    DCBX_ETS_MAX_TCS);
 529         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 530                    "ETS params: willing %d, ets_cbs %d pri_tc_tbl_0 %x"
 531                    " max_ets_tc %d\n",
 532                    p_params->ets_willing, p_params->ets_cbs,
 533                    p_ets->pri_tc_tbl[0], p_params->max_ets_tc);
 534
 535         /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
 536          * encoded in a type u32 array of size 2.
 537          */
 538         bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
 539         bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
 540         tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
 541         tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
 542         pri_map = OSAL_BE32_TO_CPU(p_ets->pri_tc_tbl[0]);
 543         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
 544                 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
 545                 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
 546                 p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
 547                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 548                            "elem %d  bw_tbl %x tsa_tbl %x\n",
 549                            i, p_params->ets_tc_bw_tbl[i],
 550                            p_params->ets_tc_tsa_tbl[i]);
 551         }
 552 }
 553
 554 static enum _ecore_status_t
 555 ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
 556                              struct dcbx_app_priority_feature *p_app,
 557                              struct dcbx_app_priority_entry *p_tbl,
 558                              struct dcbx_ets_feature *p_ets,
 559                              u32 pfc, struct ecore_dcbx_params *p_params,
 560                              bool ieee)
 561 {
 562         ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
 563         ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
 564         ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
 565
 566         return ECORE_SUCCESS;
 567 }
 568
 569 static enum _ecore_status_t
 570 ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
 571                             struct ecore_ptt *p_ptt,
 572                             struct ecore_dcbx_get *params)
 573 {
 574         struct ecore_dcbx_admin_params *p_local;
 575         struct dcbx_app_priority_feature *p_app;
 576         struct dcbx_app_priority_entry *p_tbl;
 577         struct ecore_dcbx_params *p_data;
 578         struct dcbx_ets_feature *p_ets;
 579         u32 pfc;
 580
 581         p_local = &params->local;
 582         p_data = &p_local->params;
 583         p_app = &p_hwfn->p_dcbx_info->local_admin.features.app;
 584         p_tbl = p_app->app_pri_tbl;
 585         p_ets = &p_hwfn->p_dcbx_info->local_admin.features.ets;
 586         pfc = p_hwfn->p_dcbx_info->local_admin.features.pfc;
 587
 588         ecore_dcbx_get_common_params(p_hwfn, p_app, p_tbl, p_ets, pfc, p_data,
 589                                      false);
 590         p_local->valid = true;
 591
 592         return ECORE_SUCCESS;
 593 }
 594
 595 static enum _ecore_status_t
 596 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
 597                              struct ecore_ptt *p_ptt,
 598                              struct ecore_dcbx_get *params)
 599 {
 600         struct ecore_dcbx_remote_params *p_remote;
 601         struct dcbx_app_priority_feature *p_app;
 602         struct dcbx_app_priority_entry *p_tbl;
 603         struct ecore_dcbx_params *p_data;
 604         struct dcbx_ets_feature *p_ets;
 605         u32 pfc;
 606
 607         p_remote = &params->remote;
 608         p_data = &p_remote->params;
 609         p_app = &p_hwfn->p_dcbx_info->remote.features.app;
 610         p_tbl = p_app->app_pri_tbl;
 611         p_ets = &p_hwfn->p_dcbx_info->remote.features.ets;
 612         pfc = p_hwfn->p_dcbx_info->remote.features.pfc;
 613
 614         ecore_dcbx_get_common_params(p_hwfn, p_app, p_tbl, p_ets, pfc, p_data,
 615                                      false);
 616         p_remote->valid = true;
 617
 618         return ECORE_SUCCESS;
 619 }
 620
 621 static void
 622 ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
 623                                   struct ecore_ptt *p_ptt,
 624                                   struct ecore_dcbx_get *params)
 625 {
 626         struct ecore_dcbx_operational_params *p_operational;
 627         enum _ecore_status_t rc = ECORE_SUCCESS;
 628         struct dcbx_app_priority_feature *p_app;
 629         struct dcbx_app_priority_entry *p_tbl;
 630         struct ecore_dcbx_results *p_results;
 631         struct ecore_dcbx_params *p_data;
 632         struct dcbx_ets_feature *p_ets;
 633         bool enabled, err;
 634         u32 pfc, flags;
 635
 636         flags = p_hwfn->p_dcbx_info->operational.flags;
 637
 638         /* If DCBx version is non zero, then negotiation
 639          * was successfuly performed
 640          */
 641         p_operational = &params->operational;
 642         enabled = ecore_dcbx_enabled(flags);
 643         if (!enabled) {
 644                 p_operational->enabled = enabled;
 645                 p_operational->valid = false;
 646                 return;
 647         }
 648
 649         p_data = &p_operational->params;
 650         p_results = &p_hwfn->p_dcbx_info->results;
 651         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
 652         p_tbl = p_app->app_pri_tbl;
 653         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
 654         pfc = p_hwfn->p_dcbx_info->operational.features.pfc;
 655
 656         p_operational->ieee = ecore_dcbx_ieee(flags);
 657         p_operational->cee = ecore_dcbx_cee(flags);
 658         p_operational->local = ecore_dcbx_local(flags);
 659
 660         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 661                    "Version support: ieee %d, cee %d, static %d\n",
 662                    p_operational->ieee, p_operational->cee,
 663                    p_operational->local);
 664
 665         ecore_dcbx_get_common_params(p_hwfn, p_app, p_tbl, p_ets, pfc, p_data,
 666                                      p_operational->ieee);
 667         ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
 668                                      p_results);
 669         err = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
 670         p_operational->err = err;
 671         p_operational->enabled = enabled;
 672         p_operational->valid = true;
 673 }
 674
 675 static enum _ecore_status_t
 676 ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
 677                            struct ecore_ptt *p_ptt,
 678                            struct ecore_dcbx_get *params)
 679 {
 680         struct ecore_dcbx_dscp_params *p_dscp;
 681         struct dcb_dscp_map *p_dscp_map;
 682         int i, j, entry;
 683         u32 pri_map;
 684
 685         p_dscp = &params->dscp;
 686         p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 687         p_dscp->enabled = ECORE_MFW_GET_FIELD(p_dscp_map->flags,
 688                                               DCB_DSCP_ENABLE);
 689         /* MFW encodes 64 dscp entries into 8 element array of u32 entries,
 690          * where each entry holds the 4bit priority map for 8 dscp entries.
 691          */
 692         for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
 693                 pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
 694                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
 695                            entry, pri_map);
 696                 for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
 697                         p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
 698                                                            (j * 4)) & 0xf;
 699         }
 700
 701         return ECORE_SUCCESS;
 702 }
 703
 704 static enum _ecore_status_t
 705 ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
 706                                  struct ecore_ptt *p_ptt,
 707                                  struct ecore_dcbx_get *params)
 708 {
 709         struct ecore_dcbx_lldp_local *p_local;
 710         osal_size_t size;
 711         u32 *dest;
 712
 713         p_local = &params->lldp_local;
 714
 715         size = OSAL_ARRAY_SIZE(p_local->local_chassis_id);
 716         dest = p_hwfn->p_dcbx_info->get.lldp_local.local_chassis_id;
 717         OSAL_MEMCPY(dest, p_local->local_chassis_id, size);
 718
 719         size = OSAL_ARRAY_SIZE(p_local->local_port_id);
 720         dest = p_hwfn->p_dcbx_info->get.lldp_local.local_port_id;
 721         OSAL_MEMCPY(dest, p_local->local_port_id, size);
 722
 723         return ECORE_SUCCESS;
 724 }
 725
 726 static enum _ecore_status_t
 727 ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
 728                                   struct ecore_ptt *p_ptt,
 729                                   struct ecore_dcbx_get *params)
 730 {
 731         struct ecore_dcbx_lldp_remote *p_remote;
 732         osal_size_t size;
 733         u32 *dest;
 734
 735         p_remote = &params->lldp_remote;
 736
 737         size = OSAL_ARRAY_SIZE(p_remote->peer_chassis_id);
 738         dest = p_hwfn->p_dcbx_info->get.lldp_remote.peer_chassis_id;
 739         OSAL_MEMCPY(dest, p_remote->peer_chassis_id, size);
 740
 741         size = OSAL_ARRAY_SIZE(p_remote->peer_port_id);
 742         dest = p_hwfn->p_dcbx_info->get.lldp_remote.peer_port_id;
 743         OSAL_MEMCPY(dest, p_remote->peer_port_id, size);
 744
 745         return ECORE_SUCCESS;
 746 }
 747
 748 static enum _ecore_status_t
 749 ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn,
 750                       struct ecore_ptt *p_ptt, enum ecore_mib_read_type type)
 751 {
 752         enum _ecore_status_t rc = ECORE_SUCCESS;
 753         struct ecore_dcbx_get *p_params;
 754
 755         p_params = &p_hwfn->p_dcbx_info->get;
 756
 757         switch (type) {
 758         case ECORE_DCBX_REMOTE_MIB:
 759                 ecore_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
 760                 break;
 761         case ECORE_DCBX_LOCAL_MIB:
 762                 ecore_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
 763                 break;
 764         case ECORE_DCBX_OPERATIONAL_MIB:
 765                 ecore_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
 766                 break;
 767         case ECORE_DCBX_REMOTE_LLDP_MIB:
 768                 rc = ecore_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
 769                 break;
 770         case ECORE_DCBX_LOCAL_LLDP_MIB:
 771                 rc = ecore_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
 772                 break;
 773         default:
 774                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 775                 return ECORE_INVAL;
 776         }
 777
 778         return rc;
 779 }
 780
 781 static enum _ecore_status_t
 782 ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
 783                                struct ecore_ptt *p_ptt)
 784 {
 785         enum _ecore_status_t rc = ECORE_SUCCESS;
 786         struct ecore_dcbx_mib_meta_data data;
 787
 788         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 789                                                            lldp_config_params);
 790         data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
 791         data.size = sizeof(struct lldp_config_params_s);
 792         ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
 793
 794         return rc;
 795 }
 796
 797 static enum _ecore_status_t
 798 ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
 799                                 struct ecore_ptt *p_ptt,
 800                                 enum ecore_mib_read_type type)
 801 {
 802         enum _ecore_status_t rc = ECORE_SUCCESS;
 803         struct ecore_dcbx_mib_meta_data data;
 804
 805         OSAL_MEM_ZERO(&data, sizeof(data));
 806         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 807                                                            lldp_status_params);
 808         data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
 809         data.size = sizeof(struct lldp_status_params_s);
 810         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 811
 812         return rc;
 813 }
 814
 815 static enum _ecore_status_t
 816 ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
 817                                 struct ecore_ptt *p_ptt,
 818                                 enum ecore_mib_read_type type)
 819 {
 820         struct ecore_dcbx_mib_meta_data data;
 821         enum _ecore_status_t rc = ECORE_SUCCESS;
 822
 823         OSAL_MEM_ZERO(&data, sizeof(data));
 824         data.addr = p_hwfn->mcp_info->port_addr +
 825             offsetof(struct public_port, operational_dcbx_mib);
 826         data.mib = &p_hwfn->p_dcbx_info->operational;
 827         data.size = sizeof(struct dcbx_mib);
 828         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 829
 830         return rc;
 831 }
 832
 833 static enum _ecore_status_t
 834 ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
 835                            struct ecore_ptt *p_ptt,
 836                            enum ecore_mib_read_type type)
 837 {
 838         struct ecore_dcbx_mib_meta_data data;
 839         enum _ecore_status_t rc = ECORE_SUCCESS;
 840
 841         OSAL_MEM_ZERO(&data, sizeof(data));
 842         data.addr = p_hwfn->mcp_info->port_addr +
 843             offsetof(struct public_port, remote_dcbx_mib);
 844         data.mib = &p_hwfn->p_dcbx_info->remote;
 845         data.size = sizeof(struct dcbx_mib);
 846         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 847
 848         return rc;
 849 }
 850
 851 static enum _ecore_status_t
 852 ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 853 {
 854         struct ecore_dcbx_mib_meta_data data;
 855         enum _ecore_status_t rc = ECORE_SUCCESS;
 856
 857         data.addr = p_hwfn->mcp_info->port_addr +
 858             offsetof(struct public_port, local_admin_dcbx_mib);
 859         data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
 860         data.size = sizeof(struct dcbx_local_params);
 861         ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
 862                           data.addr, data.size);
 863
 864         return rc;
 865 }
 866
 867 static void
 868 ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 869 {
 870         struct ecore_dcbx_mib_meta_data data;
 871
 872         data.addr = p_hwfn->mcp_info->port_addr +
 873                         offsetof(struct public_port, dcb_dscp_map);
 874         data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 875         data.size = sizeof(struct dcb_dscp_map);
 876         ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
 877 }
 878
 879 static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
 880                                                 struct ecore_ptt *p_ptt,
 881                                                 enum ecore_mib_read_type type)
 882 {
 883         enum _ecore_status_t rc = ECORE_SUCCESS;
 884
 885         switch (type) {
 886         case ECORE_DCBX_OPERATIONAL_MIB:
 887                 ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
 888                 rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
 889                 break;
 890         case ECORE_DCBX_REMOTE_MIB:
 891                 rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
 892                 break;
 893         case ECORE_DCBX_LOCAL_MIB:
 894                 rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
 895                 break;
 896         case ECORE_DCBX_REMOTE_LLDP_MIB:
 897                 rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
 898                 break;
 899         case ECORE_DCBX_LOCAL_LLDP_MIB:
 900                 rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
 901                 break;
 902         default:
 903                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 904                 return ECORE_INVAL;
 905         }
 906
 907         return rc;
 908 }
 909
 910 /*
 911  * Read updated MIB.
 912  * Reconfigure QM and invoke PF update ramrod command if operational MIB
 913  * change is detected.
 914  */
 915 enum _ecore_status_t
 916 ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 917                             enum ecore_mib_read_type type)
 918 {
 919         enum _ecore_status_t rc = ECORE_SUCCESS;
 920
 921         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
 922         if (rc)
 923                 return rc;
 924
 925         if (type == ECORE_DCBX_OPERATIONAL_MIB) {
 926                 ecore_dcbx_get_dscp_params(p_hwfn, p_ptt,
 927                                            &p_hwfn->p_dcbx_info->get);
 928
 929                 rc = ecore_dcbx_process_mib_info(p_hwfn);
 930                 if (!rc) {
 931                         bool enabled;
 932
 933                         /* reconfigure tcs of QM queues according
 934                          * to negotiation results
 935                          */
 936                         ecore_qm_reconf(p_hwfn, p_ptt);
 937
 938                         /* update storm FW with negotiation results */
 939                         ecore_sp_pf_update(p_hwfn);
 940
 941                         /* set eagle enigne 1 flow control workaround
 942                          * according to negotiation results
 943                          */
 944                         enabled = p_hwfn->p_dcbx_info->results.dcbx_enabled;
 945                         ecore_dcbx_eagle_workaround(p_hwfn, p_ptt, enabled);
 946                 }
 947         }
 948         ecore_dcbx_get_params(p_hwfn, p_ptt, type);
 949
 950         /* Update the DSCP to TC mapping bit if required */
 951         if ((type == ECORE_DCBX_OPERATIONAL_MIB) &&
 952             p_hwfn->p_dcbx_info->dscp_nig_update) {
 953                 ecore_wr(p_hwfn, p_ptt, NIG_REG_DSCP_TO_TC_MAP_ENABLE, 0x1);
 954                 p_hwfn->p_dcbx_info->dscp_nig_update = false;
 955         }
 956
 957         OSAL_DCBX_AEN(p_hwfn, type);
 958
 959         return rc;
 960 }
 961
 962 enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
 963 {
 964         enum _ecore_status_t rc = ECORE_SUCCESS;
 965
 966         p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
 967                                           sizeof(struct ecore_dcbx_info));
 968         if (!p_hwfn->p_dcbx_info) {
 969                 DP_NOTICE(p_hwfn, true,
 970                           "Failed to allocate `struct ecore_dcbx_info'");
 971                 rc = ECORE_NOMEM;
 972         }
 973
 974         return rc;
 975 }
 976
 977 void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn,
 978                           struct ecore_dcbx_info *p_dcbx_info)
 979 {
 980         OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
 981 }
 982
 983 static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
 984                                             struct ecore_dcbx_results *p_src,
 985                                             enum dcbx_protocol_type type)
 986 {
 987         p_data->dcb_enable_flag = p_src->arr[type].enable;
 988         p_data->dcb_priority = p_src->arr[type].priority;
 989         p_data->dcb_tc = p_src->arr[type].tc;
 990         p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
 991         p_data->dscp_val = p_src->arr[type].dscp_val;
 992 }
 993
 994 /* Set pf update ramrod command params */
 995 void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
 996                                      struct pf_update_ramrod_data *p_dest)
 997 {
 998         struct protocol_dcb_data *p_dcb_data;
 999         bool update_flag = false;
1000
1001         p_dest->pf_id = p_src->pf_id;
1002
1003         update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
1004         p_dest->update_eth_dcb_data_flag = update_flag;
1005
1006         p_dcb_data = &p_dest->eth_dcb_data;
1007         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
1008 }
1009
1010 static
1011 enum _ecore_status_t ecore_dcbx_query(struct ecore_hwfn *p_hwfn,
1012                                       enum ecore_mib_read_type type)
1013 {
1014         struct ecore_ptt *p_ptt;
1015         enum _ecore_status_t rc;
1016
1017         p_ptt = ecore_ptt_acquire(p_hwfn);
1018         if (!p_ptt) {
1019                 rc = ECORE_TIMEOUT;
1020                 DP_ERR(p_hwfn, "rc = %d\n", rc);
1021                 return rc;
1022         }
1023
1024         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
1025         if (rc != ECORE_SUCCESS)
1026                 goto out;
1027
1028         rc = ecore_dcbx_get_params(p_hwfn, p_ptt, type);
1029
1030 out:
1031         ecore_ptt_release(p_hwfn, p_ptt);
1032         return rc;
1033 }
1034
1035 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
1036                                              struct ecore_dcbx_get *p_get,
1037                                              enum ecore_mib_read_type type)
1038 {
1039         enum _ecore_status_t rc;
1040
1041         rc = ecore_dcbx_query(p_hwfn, type);
1042         if (rc)
1043                 return rc;
1044
1045         if (p_get != OSAL_NULL)
1046                 OSAL_MEMCPY(p_get, &p_hwfn->p_dcbx_info->get,
1047                             sizeof(struct ecore_dcbx_get));
1048
1049         return rc;
1050 }
1051
1052 static void
1053 ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
1054                         u32 *pfc, struct ecore_dcbx_params *p_params)
1055 {
1056         u8 pfc_map = 0;
1057         int i;
1058
1059         if (p_params->pfc.willing)
1060                 *pfc |= DCBX_PFC_WILLING_MASK;
1061         else
1062                 *pfc &= ~DCBX_PFC_WILLING_MASK;
1063
1064         if (p_params->pfc.enabled)
1065                 *pfc |= DCBX_PFC_ENABLED_MASK;
1066         else
1067                 *pfc &= ~DCBX_PFC_ENABLED_MASK;
1068
1069         *pfc &= ~DCBX_PFC_CAPS_MASK;
1070         *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
1071
1072         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
1073                 if (p_params->pfc.prio[i])
1074                         pfc_map |= (0x1 << i);
1075
1076         *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
1077
1078         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
1079 }
1080
1081 static void
1082 ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
1083                         struct dcbx_ets_feature *p_ets,
1084                         struct ecore_dcbx_params *p_params)
1085 {
1086         u8 *bw_map, *tsa_map;
1087         int i;
1088
1089         if (p_params->ets_willing)
1090                 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1091         else
1092                 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1093
1094         if (p_params->ets_cbs)
1095                 p_ets->flags |= DCBX_ETS_CBS_MASK;
1096         else
1097                 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1098
1099         if (p_params->ets_enabled)
1100                 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1101         else
1102                 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1103
1104         p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1105         p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
1106
1107         bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1108         tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1109         p_ets->pri_tc_tbl[0] = 0;
1110         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
1111                 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1112                 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1113                 p_ets->pri_tc_tbl[0] |= (((u32)p_params->ets_pri_tc_tbl[i]) <<
1114                                          ((7 - i) * 4));
1115         }
1116         p_ets->pri_tc_tbl[0] = OSAL_CPU_TO_BE32(p_ets->pri_tc_tbl[0]);
1117         for (i = 0; i < 2; i++) {
1118                 p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
1119                 p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
1120         }
1121 }
1122
1123 static void
1124 ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
1125                         struct dcbx_app_priority_feature *p_app,
1126                         struct ecore_dcbx_params *p_params, bool ieee)
1127 {
1128         u32 *entry;
1129         int i;
1130
1131         if (p_params->app_willing)
1132                 p_app->flags |= DCBX_APP_WILLING_MASK;
1133         else
1134                 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1135
1136         if (p_params->app_valid)
1137                 p_app->flags |= DCBX_APP_ENABLED_MASK;
1138         else
1139                 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1140
1141         p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1142         p_app->flags |= (u32)p_params->num_app_entries <<
1143                                         DCBX_APP_NUM_ENTRIES_SHIFT;
1144
1145         for (i = 0; i < p_params->num_app_entries; i++) {
1146                 entry = &p_app->app_pri_tbl[i].entry;
1147                 if (ieee) {
1148                         *entry &= ~DCBX_APP_SF_IEEE_MASK;
1149                         switch (p_params->app_entry[i].sf_ieee) {
1150                         case ECORE_DCBX_SF_IEEE_ETHTYPE:
1151                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1152                                             DCBX_APP_SF_IEEE_SHIFT);
1153                                 break;
1154                         case ECORE_DCBX_SF_IEEE_TCP_PORT:
1155                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1156                                             DCBX_APP_SF_IEEE_SHIFT);
1157                                 break;
1158                         case ECORE_DCBX_SF_IEEE_UDP_PORT:
1159                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1160                                             DCBX_APP_SF_IEEE_SHIFT);
1161                                 break;
1162                         case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
1163                                 *entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1164                                             DCBX_APP_SF_IEEE_SHIFT;
1165                                 break;
1166                         }
1167                 } else {
1168                         *entry &= ~DCBX_APP_SF_MASK;
1169                         if (p_params->app_entry[i].ethtype)
1170                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1171                                             DCBX_APP_SF_SHIFT);
1172                         else
1173                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1174                                             DCBX_APP_SF_SHIFT);
1175                 }
1176                 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1177                 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1178                                 DCBX_APP_PROTOCOL_ID_SHIFT);
1179                 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1180                 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1181                                 DCBX_APP_PRI_MAP_SHIFT);
1182         }
1183 }
1184
1185 static enum _ecore_status_t
1186 ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
1187                             struct dcbx_local_params *local_admin,
1188                             struct ecore_dcbx_set *params)
1189 {
1190         bool ieee = false;
1191
1192         local_admin->flags = 0;
1193         OSAL_MEMCPY(&local_admin->features,
1194                     &p_hwfn->p_dcbx_info->operational.features,
1195                     sizeof(struct dcbx_features));
1196
1197         if (params->enabled) {
1198                 local_admin->config = params->ver_num;
1199                 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1200         } else {
1201                 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1202         }
1203
1204         if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
1205                 ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1206                                         &params->config.params);
1207
1208         if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
1209                 ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1210                                         &params->config.params);
1211
1212         if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
1213                 ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1214                                         &params->config.params, ieee);
1215
1216         return ECORE_SUCCESS;
1217 }
1218
1219 static enum _ecore_status_t
1220 ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
1221                            struct dcb_dscp_map *p_dscp_map,
1222                            struct ecore_dcbx_set *p_params)
1223 {
1224         int entry, i, j;
1225         u32 val;
1226
1227         OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
1228                     sizeof(*p_dscp_map));
1229
1230         if (p_params->dscp.enabled)
1231                 p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
1232         else
1233                 p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
1234
1235         for (i = 0, entry = 0; i < 8; i++) {
1236                 val = 0;
1237                 for (j = 0; j < 8; j++, entry++)
1238                         val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
1239                                 (j * 4));
1240
1241                 p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
1242         }
1243
1244         p_hwfn->p_dcbx_info->dscp_nig_update = true;
1245
1246         return ECORE_SUCCESS;
1247 }
1248
1249 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
1250                                               struct ecore_ptt *p_ptt,
1251                                               struct ecore_dcbx_set *params,
1252                                               bool hw_commit)
1253 {
1254         enum _ecore_status_t rc = ECORE_SUCCESS;
1255         struct ecore_dcbx_mib_meta_data data;
1256         struct dcbx_local_params local_admin;
1257         struct dcb_dscp_map dscp_map;
1258         u32 resp = 0, param = 0;
1259
1260         if (!hw_commit) {
1261                 OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
1262                             sizeof(struct ecore_dcbx_set));
1263                 return ECORE_SUCCESS;
1264         }
1265
1266         /* clear set-parmas cache */
1267         OSAL_MEMSET(&p_hwfn->p_dcbx_info->set, 0,
1268                     sizeof(struct ecore_dcbx_set));
1269
1270         OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
1271         ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
1272
1273         data.addr = p_hwfn->mcp_info->port_addr +
1274                         offsetof(struct public_port, local_admin_dcbx_mib);
1275         data.local_admin = &local_admin;
1276         data.size = sizeof(struct dcbx_local_params);
1277         ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1278
1279         if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
1280                 OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
1281                 ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
1282
1283                 data.addr = p_hwfn->mcp_info->port_addr +
1284                                 offsetof(struct public_port, dcb_dscp_map);
1285                 data.dscp_map = &dscp_map;
1286                 data.size = sizeof(struct dcb_dscp_map);
1287                 ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
1288                                 data.size);
1289         }
1290
1291         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1292                            1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, &param);
1293         if (rc != ECORE_SUCCESS) {
1294                 DP_NOTICE(p_hwfn, false,
1295                           "Failed to send DCBX update request\n");
1296                 return rc;
1297         }
1298
1299         return rc;
1300 }
1301
1302 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
1303                                                   struct ecore_dcbx_set *params)
1304 {
1305         struct ecore_dcbx_get *dcbx_info;
1306         int rc;
1307
1308         if (p_hwfn->p_dcbx_info->set.config.valid) {
1309                 OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1310                             sizeof(struct ecore_dcbx_set));
1311                 return ECORE_SUCCESS;
1312         }
1313
1314         dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1315                                sizeof(struct ecore_dcbx_get));
1316         if (!dcbx_info) {
1317                 DP_ERR(p_hwfn, "Failed to allocate struct ecore_dcbx_info\n");
1318                 return ECORE_NOMEM;
1319         }
1320
1321         rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
1322                                      ECORE_DCBX_OPERATIONAL_MIB);
1323         if (rc) {
1324                 OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1325                 return rc;
1326         }
1327         p_hwfn->p_dcbx_info->set.override_flags = 0;
1328
1329         p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1330         if (dcbx_info->operational.cee)
1331                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1332         if (dcbx_info->operational.ieee)
1333                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1334         if (dcbx_info->operational.local)
1335                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
1336
1337         p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1338         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
1339                     &dcbx_info->operational.params,
1340                     sizeof(p_hwfn->p_dcbx_info->set.config.params));
1341         p_hwfn->p_dcbx_info->set.config.valid = true;
1342
1343         OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1344                     sizeof(struct ecore_dcbx_set));
1345
1346         OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1347
1348         return ECORE_SUCCESS;
1349 }