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