sys/dev/qlnx/qlnxe/ecore_dcbx.c

   1 /*
   2  * Copyright (c) 2017-2018 Cavium, Inc.
   3  * All rights reserved.
   4  *
   5  *  Redistribution and use in source and binary forms, with or without
   6  *  modification, are permitted provided that the following conditions
   7  *  are met:
   8  *
   9  *  1. Redistributions of source code must retain the above copyright
  10  *     notice, this list of conditions and the following disclaimer.
  11  *  2. Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25  *  POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * File : ecore_dcbx.c
  30  */
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34
  35 #include "bcm_osal.h"
  36 #include "ecore.h"
  37 #include "ecore_sp_commands.h"
  38 #include "ecore_dcbx.h"
  39 #include "ecore_cxt.h"
  40 #include "ecore_gtt_reg_addr.h"
  41 #include "ecore_iro.h"
  42 #ifdef CONFIG_ECORE_ROCE
  43 #include "ecore_roce.h"
  44 #endif
  45 #include "ecore_iov_api.h"
  46
  47 #define ECORE_DCBX_MAX_MIB_READ_TRY     (100)
  48 #define ECORE_ETH_TYPE_DEFAULT          (0)
  49 #define ECORE_ETH_TYPE_ROCE             (0x8915)
  50 #define ECORE_UDP_PORT_TYPE_ROCE_V2     (0x12B7)
  51 #define ECORE_ETH_TYPE_FCOE             (0x8906)
  52 #define ECORE_TCP_PORT_ISCSI            (0xCBC)
  53
  54 #define ECORE_DCBX_INVALID_PRIORITY     0xFF
  55
  56 /* Get Traffic Class from priority traffic class table, 4 bits represent
  57  * the traffic class corresponding to the priority.
  58  */
  59 #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
  60                 ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
  61
  62 static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
  63 {
  64         return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  65                   DCBX_APP_SF_ETHTYPE);
  66 }
  67
  68 static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
  69 {
  70         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  71
  72         /* Old MFW */
  73         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  74                 return ecore_dcbx_app_ethtype(app_info_bitmap);
  75
  76         return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
  77 }
  78
  79 static bool ecore_dcbx_app_port(u32 app_info_bitmap)
  80 {
  81         return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  82                   DCBX_APP_SF_PORT);
  83 }
  84
  85 static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
  86 {
  87         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  88
  89         /* Old MFW */
  90         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  91                 return ecore_dcbx_app_port(app_info_bitmap);
  92
  93         return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
  94 }
  95
  96 static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
  97 {
  98         bool ethtype;
  99
 100         if (ieee)
 101                 ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
 102         else
 103                 ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
 104
 105         return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
 106 }
 107
 108 static bool ecore_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 109 {
 110         bool port;
 111
 112         if (ieee)
 113                 port = ecore_dcbx_ieee_app_port(app_info_bitmap,
 114                                                 DCBX_APP_SF_IEEE_TCP_PORT);
 115         else
 116                 port = ecore_dcbx_app_port(app_info_bitmap);
 117
 118         return !!(port && (proto_id == ECORE_TCP_PORT_ISCSI));
 119 }
 120
 121 static bool ecore_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 122 {
 123         bool ethtype;
 124
 125         if (ieee)
 126                 ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
 127         else
 128                 ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
 129
 130         return !!(ethtype && (proto_id == ECORE_ETH_TYPE_FCOE));
 131 }
 132
 133 static bool ecore_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 134 {
 135         bool ethtype;
 136
 137         if (ieee)
 138                 ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
 139         else
 140                 ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
 141
 142         return !!(ethtype && (proto_id == ECORE_ETH_TYPE_ROCE));
 143 }
 144
 145 static bool ecore_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 146 {
 147         bool port;
 148
 149         if (ieee)
 150                 port = ecore_dcbx_ieee_app_port(app_info_bitmap,
 151                                                 DCBX_APP_SF_IEEE_UDP_PORT);
 152         else
 153                 port = ecore_dcbx_app_port(app_info_bitmap);
 154
 155         return !!(port && (proto_id == ECORE_UDP_PORT_TYPE_ROCE_V2));
 156 }
 157
 158 static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap,
 159                                  u16 proto_id, bool ieee)
 160 {
 161         bool port;
 162
 163         if (!p_hwfn->p_dcbx_info->iwarp_port)
 164                 return false;
 165
 166         if (ieee)
 167                 port = ecore_dcbx_ieee_app_port(app_info_bitmap,
 168                                                 DCBX_APP_SF_IEEE_TCP_PORT);
 169         else
 170                 port = ecore_dcbx_app_port(app_info_bitmap);
 171
 172         return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port));
 173 }
 174
 175 static void
 176 ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
 177                        struct ecore_dcbx_results *p_data)
 178 {
 179         enum dcbx_protocol_type id;
 180         int i;
 181
 182         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
 183                    p_data->dcbx_enabled);
 184
 185         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
 186                 id = ecore_dcbx_app_update[i].id;
 187
 188                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 189                            "%s info: update %d, enable %d, prio %d, tc %d, num_active_tc %d dscp_enable = %d dscp_val = %d\n",
 190                            ecore_dcbx_app_update[i].name, p_data->arr[id].update,
 191                            p_data->arr[id].enable, p_data->arr[id].priority,
 192                            p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
 193                            p_data->arr[id].dscp_enable,
 194                            p_data->arr[id].dscp_val);
 195         }
 196 }
 197
 198 static void
 199 ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
 200                       struct ecore_hwfn *p_hwfn,
 201                       bool enable, u8 prio, u8 tc,
 202                       enum dcbx_protocol_type type,
 203                       enum ecore_pci_personality personality)
 204 {
 205         struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
 206
 207         /* PF update ramrod data */
 208         p_data->arr[type].enable = enable;
 209         p_data->arr[type].priority = prio;
 210         p_data->arr[type].tc = tc;
 211         p_data->arr[type].dscp_enable = dscp->enabled;
 212         if (p_data->arr[type].dscp_enable) {
 213                 u8 i;
 214
 215                 for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
 216                         if (prio == dscp->dscp_pri_map[i]) {
 217                                 p_data->arr[type].dscp_val = i;
 218                                 break;
 219                         }
 220         }
 221
 222         if (enable && p_data->arr[type].dscp_enable)
 223                 p_data->arr[type].update = UPDATE_DCB_DSCP;
 224         else if (enable)
 225                 p_data->arr[type].update = UPDATE_DCB;
 226         else
 227                 p_data->arr[type].update = DONT_UPDATE_DCB_DSCP;
 228
 229         /* QM reconf data */
 230         if (p_hwfn->hw_info.personality == personality)
 231                 p_hwfn->hw_info.offload_tc = tc;
 232 }
 233
 234 /* Update app protocol data and hw_info fields with the TLV info */
 235 static void
 236 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
 237                            struct ecore_hwfn *p_hwfn,
 238                            bool enable, u8 prio, u8 tc,
 239                            enum dcbx_protocol_type type)
 240 {
 241         enum ecore_pci_personality personality;
 242         enum dcbx_protocol_type id;
 243         char *name;
 244         int i;
 245
 246         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
 247                 id = ecore_dcbx_app_update[i].id;
 248
 249                 if (type != id)
 250                         continue;
 251
 252                 personality = ecore_dcbx_app_update[i].personality;
 253                 name = ecore_dcbx_app_update[i].name;
 254
 255                 ecore_dcbx_set_params(p_data, p_hwfn, enable,
 256                                       prio, tc, type, personality);
 257         }
 258 }
 259
 260 static enum _ecore_status_t
 261 ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
 262 {
 263         u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
 264         u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
 265         enum _ecore_status_t rc = ECORE_SUCCESS;
 266
 267         /* Bitmap 1 corresponds to priority 0, return priority 0 */
 268         if (pri_bitmap == 1) {
 269                 *priority = 0;
 270                 return rc;
 271         }
 272
 273         /* Choose the highest priority */
 274         while ((ECORE_MAX_PFC_PRIORITIES == pri) && index) {
 275                 pri_mask = 1 << index;
 276                 if (pri_bitmap & pri_mask)
 277                         pri = index;
 278                 index--;
 279         }
 280
 281         if (pri < ECORE_MAX_PFC_PRIORITIES)
 282                 *priority = (u8)pri;
 283         else
 284                 rc = ECORE_INVAL;
 285
 286         return rc;
 287 }
 288
 289 static bool
 290 ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
 291                                  u32 app_prio_bitmap, u16 id,
 292                                  enum dcbx_protocol_type *type, bool ieee)
 293 {
 294         if (ecore_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) {
 295                 *type = DCBX_PROTOCOL_FCOE;
 296         } else if (ecore_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
 297                 *type = DCBX_PROTOCOL_ROCE;
 298         } else if (ecore_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
 299                 *type = DCBX_PROTOCOL_ISCSI;
 300         } else if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
 301                 *type = DCBX_PROTOCOL_ETH;
 302         } else if (ecore_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
 303                 *type = DCBX_PROTOCOL_ROCE_V2;
 304         } else if (ecore_dcbx_iwarp_tlv(p_hwfn, app_prio_bitmap, id, ieee)) {
 305                 *type = DCBX_PROTOCOL_IWARP;
 306         } else {
 307                 *type = DCBX_MAX_PROTOCOL_TYPE;
 308                 DP_ERR(p_hwfn,
 309                        "No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n",
 310                        id, app_prio_bitmap);
 311                 return false;
 312         }
 313
 314         return true;
 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_tlv(struct ecore_hwfn *p_hwfn,
 322                        struct ecore_dcbx_results *p_data,
 323                        struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
 324                        int count, u8 dcbx_version)
 325 {
 326         enum dcbx_protocol_type type;
 327         u8 tc, priority_map;
 328         bool enable, ieee;
 329         u16 protocol_id;
 330         u8 priority;
 331         enum _ecore_status_t rc = ECORE_SUCCESS;
 332         int i;
 333
 334         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 335                    "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
 336                    count, pri_tc_tbl, dcbx_version);
 337
 338         ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
 339         /* Parse APP TLV */
 340         for (i = 0; i < count; i++) {
 341                 protocol_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 342                                                   DCBX_APP_PROTOCOL_ID);
 343                 priority_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 344                                                    DCBX_APP_PRI_MAP);
 345                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
 346                            protocol_id, priority_map);
 347                 rc = ecore_dcbx_get_app_priority(priority_map, &priority);
 348                 if (rc == ECORE_INVAL) {
 349                         DP_ERR(p_hwfn, "Invalid priority\n");
 350                         return ECORE_INVAL;
 351                 }
 352
 353                 tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
 354                 if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 355                                                      protocol_id, &type,
 356                                                      ieee)) {
 357                         /* ETH always have the enable bit reset, as it gets
 358                          * vlan information per packet. For other protocols,
 359                          * should be set according to the dcbx_enabled
 360                          * indication, but we only got here if there was an
 361                          * app tlv for the protocol, so dcbx must be enabled.
 362                          */
 363                         enable = !(type == DCBX_PROTOCOL_ETH);
 364
 365                         ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
 366                                                    priority, tc, type);
 367                 }
 368         }
 369
 370         /* Update ramrod protocol data and hw_info fields
 371          * with default info when corresponding APP TLV's are not detected.
 372          * The enabled field has a different logic for ethernet as only for
 373          * ethernet dcb should disabled by default, as the information arrives
 374          * from the OS (unless an explicit app tlv was present).
 375          */
 376         tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
 377         priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
 378         for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
 379                 if (p_data->arr[type].update)
 380                         continue;
 381
 382                 enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version;
 383                 ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
 384                                            priority, tc, type);
 385         }
 386
 387         return ECORE_SUCCESS;
 388 }
 389
 390 /* Parse app TLV's to update TC information in hw_info structure for
 391  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 392  */
 393 static enum _ecore_status_t
 394 ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn)
 395 {
 396         struct dcbx_app_priority_feature *p_app;
 397         enum _ecore_status_t rc = ECORE_SUCCESS;
 398         struct ecore_dcbx_results data = { 0 };
 399         struct dcbx_app_priority_entry *p_tbl;
 400         struct dcbx_ets_feature *p_ets;
 401         struct ecore_hw_info *p_info;
 402         u32 pri_tc_tbl, flags;
 403         u8 dcbx_version;
 404         int num_entries;
 405
 406         flags = p_hwfn->p_dcbx_info->operational.flags;
 407         dcbx_version = ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
 408
 409         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
 410         p_tbl = p_app->app_pri_tbl;
 411
 412         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
 413         pri_tc_tbl = p_ets->pri_tc_tbl[0];
 414
 415         p_info = &p_hwfn->hw_info;
 416         num_entries = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
 417
 418         rc = ecore_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
 419                                     num_entries, dcbx_version);
 420         if (rc != ECORE_SUCCESS)
 421                 return rc;
 422
 423         p_info->num_active_tc = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
 424         p_hwfn->qm_info.ooo_tc = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_OOO_TC);
 425         data.pf_id = p_hwfn->rel_pf_id;
 426         data.dcbx_enabled = !!dcbx_version;
 427
 428         ecore_dcbx_dp_protocol(p_hwfn, &data);
 429
 430         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
 431                     sizeof(struct ecore_dcbx_results));
 432
 433         return ECORE_SUCCESS;
 434 }
 435
 436 static enum _ecore_status_t
 437 ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
 438                     struct ecore_ptt *p_ptt,
 439                     struct ecore_dcbx_mib_meta_data *p_data,
 440                     enum ecore_mib_read_type type)
 441 {
 442         enum _ecore_status_t rc = ECORE_SUCCESS;
 443         u32 prefix_seq_num, suffix_seq_num;
 444         int read_count = 0;
 445
 446         /* The data is considered to be valid only if both sequence numbers are
 447          * the same.
 448          */
 449         do {
 450                 if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
 451                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
 452                                           p_data->addr, p_data->size);
 453                         prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
 454                         suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
 455                 } else {
 456                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
 457                                           p_data->addr, p_data->size);
 458                         prefix_seq_num = p_data->mib->prefix_seq_num;
 459                         suffix_seq_num = p_data->mib->suffix_seq_num;
 460                 }
 461                 read_count++;
 462
 463                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 464                            "mib type = %d, try count = %d prefix seq num  = %d suffix seq num = %d\n",
 465                            type, read_count, prefix_seq_num, suffix_seq_num);
 466         } while ((prefix_seq_num != suffix_seq_num) &&
 467                  (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
 468
 469         if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
 470                 DP_ERR(p_hwfn,
 471                        "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
 472                        type, read_count, prefix_seq_num, suffix_seq_num);
 473                 rc = ECORE_IO;
 474         }
 475
 476         return rc;
 477 }
 478
 479 static void
 480 ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
 481                              struct ecore_dcbx_app_prio *p_prio,
 482                              struct ecore_dcbx_results *p_results)
 483 {
 484         u8 val;
 485
 486         p_prio->roce = ECORE_DCBX_INVALID_PRIORITY;
 487         p_prio->roce_v2 = ECORE_DCBX_INVALID_PRIORITY;
 488         p_prio->iscsi = ECORE_DCBX_INVALID_PRIORITY;
 489         p_prio->fcoe = ECORE_DCBX_INVALID_PRIORITY;
 490
 491         if (p_results->arr[DCBX_PROTOCOL_ROCE].update &&
 492             p_results->arr[DCBX_PROTOCOL_ROCE].enable)
 493                 p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority;
 494
 495         if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update &&
 496             p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) {
 497                 val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority;
 498                 p_prio->roce_v2 = val;
 499         }
 500
 501         if (p_results->arr[DCBX_PROTOCOL_ISCSI].update &&
 502             p_results->arr[DCBX_PROTOCOL_ISCSI].enable)
 503                 p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority;
 504
 505         if (p_results->arr[DCBX_PROTOCOL_FCOE].update &&
 506             p_results->arr[DCBX_PROTOCOL_FCOE].enable)
 507                 p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority;
 508
 509         if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
 510             p_results->arr[DCBX_PROTOCOL_ETH].enable)
 511                 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
 512
 513         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 514                    "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n",
 515                    p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe,
 516                    p_prio->eth);
 517 }
 518
 519 static void
 520 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
 521                         struct dcbx_app_priority_feature *p_app,
 522                         struct dcbx_app_priority_entry *p_tbl,
 523                         struct ecore_dcbx_params *p_params, bool ieee)
 524 {
 525         struct ecore_app_entry *entry;
 526         u8 pri_map;
 527         int i;
 528
 529         p_params->app_willing = ECORE_MFW_GET_FIELD(p_app->flags,
 530                                                     DCBX_APP_WILLING);
 531         p_params->app_valid = ECORE_MFW_GET_FIELD(p_app->flags,
 532                                                   DCBX_APP_ENABLED);
 533         p_params->app_error = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
 534         p_params->num_app_entries = ECORE_MFW_GET_FIELD(p_app->flags,
 535                                                         DCBX_APP_NUM_ENTRIES);
 536         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
 537                 entry = &p_params->app_entry[i];
 538                 if (ieee) {
 539                         u8 sf_ieee;
 540                         u32 val;
 541
 542                         sf_ieee = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 543                                                       DCBX_APP_SF_IEEE);
 544                         switch (sf_ieee) {
 545                         case DCBX_APP_SF_IEEE_RESERVED:
 546                                 /* Old MFW */
 547                                 val = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 548                                                             DCBX_APP_SF);
 549                                 entry->sf_ieee = val ?
 550                                         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
 551                                         ECORE_DCBX_SF_IEEE_ETHTYPE;
 552                                 break;
 553                         case DCBX_APP_SF_IEEE_ETHTYPE:
 554                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
 555                                 break;
 556                         case DCBX_APP_SF_IEEE_TCP_PORT:
 557                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
 558                                 break;
 559                         case DCBX_APP_SF_IEEE_UDP_PORT:
 560                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
 561                                 break;
 562                         case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
 563                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
 564                                 break;
 565                         }
 566                 } else {
 567                         entry->ethtype = !(ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 568                                                                DCBX_APP_SF));
 569                 }
 570
 571                 pri_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
 572                 ecore_dcbx_get_app_priority(pri_map, &entry->prio);
 573                 entry->proto_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
 574                                                       DCBX_APP_PROTOCOL_ID);
 575                 ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 576                                                  entry->proto_id,
 577                                                  &entry->proto_type, ieee);
 578         }
 579
 580         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 581                    "APP params: willing %d, valid %d error = %d\n",
 582                    p_params->app_willing, p_params->app_valid,
 583                    p_params->app_error);
 584 }
 585
 586 static void
 587 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
 588                         u32 pfc, struct ecore_dcbx_params *p_params)
 589 {
 590         u8 pfc_map;
 591
 592         p_params->pfc.willing = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
 593         p_params->pfc.max_tc = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
 594         p_params->pfc.enabled = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
 595         pfc_map = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
 596         p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
 597         p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
 598         p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
 599         p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
 600         p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
 601         p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
 602         p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
 603         p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
 604
 605         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 606                    "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
 607                    p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
 608                    p_params->pfc.enabled);
 609 }
 610
 611 static void
 612 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
 613                         struct dcbx_ets_feature *p_ets,
 614                         struct ecore_dcbx_params *p_params)
 615 {
 616         u32 bw_map[2], tsa_map[2], pri_map;
 617         int i;
 618
 619         p_params->ets_willing = ECORE_MFW_GET_FIELD(p_ets->flags,
 620                                                     DCBX_ETS_WILLING);
 621         p_params->ets_enabled = ECORE_MFW_GET_FIELD(p_ets->flags,
 622                                                     DCBX_ETS_ENABLED);
 623         p_params->ets_cbs = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
 624         p_params->max_ets_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
 625                                                    DCBX_ETS_MAX_TCS);
 626         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 627                    "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
 628                    p_params->ets_willing, p_params->ets_enabled,
 629                    p_params->ets_cbs, p_ets->pri_tc_tbl[0],
 630                    p_params->max_ets_tc);
 631         if (p_params->ets_enabled && !p_params->max_ets_tc)
 632         {
 633                 p_params->max_ets_tc = ECORE_MAX_PFC_PRIORITIES;
 634                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 635                            "ETS params: max_ets_tc is forced to %d\n",
 636                    p_params->max_ets_tc);
 637         }
 638         /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
 639          * encoded in a type u32 array of size 2.
 640          */
 641         bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
 642         bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
 643         tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
 644         tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
 645         pri_map = p_ets->pri_tc_tbl[0];
 646         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
 647                 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
 648                 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
 649                 p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
 650                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 651                            "elem %d  bw_tbl %x tsa_tbl %x\n",
 652                            i, p_params->ets_tc_bw_tbl[i],
 653                            p_params->ets_tc_tsa_tbl[i]);
 654         }
 655 }
 656
 657 static void
 658 ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
 659                              struct dcbx_app_priority_feature *p_app,
 660                              struct dcbx_app_priority_entry *p_tbl,
 661                              struct dcbx_ets_feature *p_ets,
 662                              u32 pfc, struct ecore_dcbx_params *p_params,
 663                              bool ieee)
 664 {
 665         ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
 666         ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
 667         ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
 668 }
 669
 670 static void
 671 ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
 672                             struct ecore_ptt *p_ptt,
 673                             struct ecore_dcbx_get *params)
 674 {
 675         struct dcbx_features *p_feat;
 676
 677         p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
 678         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 679                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 680                                      p_feat->pfc, &params->local.params, false);
 681         params->local.valid = true;
 682 }
 683
 684 static void
 685 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
 686                              struct ecore_ptt *p_ptt,
 687                              struct ecore_dcbx_get *params)
 688 {
 689         struct dcbx_features *p_feat;
 690
 691         p_feat = &p_hwfn->p_dcbx_info->remote.features;
 692         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 693                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 694                                      p_feat->pfc, &params->remote.params,
 695                                      false);
 696         params->remote.valid = true;
 697 }
 698
 699 static enum _ecore_status_t
 700 ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
 701                                   struct ecore_ptt *p_ptt,
 702                                   struct ecore_dcbx_get *params)
 703 {
 704         struct ecore_dcbx_operational_params *p_operational;
 705         struct ecore_dcbx_results *p_results;
 706         struct dcbx_features *p_feat;
 707         bool enabled, err;
 708         u32 flags;
 709         bool val;
 710
 711         flags = p_hwfn->p_dcbx_info->operational.flags;
 712
 713         /* If DCBx version is non zero, then negotiation
 714          * was successfuly performed
 715          */
 716         p_operational = &params->operational;
 717         enabled = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
 718                      DCBX_CONFIG_VERSION_DISABLED);
 719         if (!enabled) {
 720                 p_operational->enabled = enabled;
 721                 p_operational->valid = false;
 722                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
 723                 return ECORE_INVAL;
 724         }
 725
 726         p_feat = &p_hwfn->p_dcbx_info->operational.features;
 727         p_results = &p_hwfn->p_dcbx_info->results;
 728
 729         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 730                  DCBX_CONFIG_VERSION_IEEE);
 731         p_operational->ieee = val;
 732
 733         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 734                  DCBX_CONFIG_VERSION_CEE);
 735         p_operational->cee = val;
 736
 737         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 738                  DCBX_CONFIG_VERSION_STATIC);
 739         p_operational->local = val;
 740
 741         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
 742                    "Version support: ieee %d, cee %d, static %d\n",
 743                    p_operational->ieee, p_operational->cee,
 744                    p_operational->local);
 745
 746         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
 747                                      p_feat->app.app_pri_tbl, &p_feat->ets,
 748                                      p_feat->pfc, &params->operational.params,
 749                                      p_operational->ieee);
 750         ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
 751                                      p_results);
 752         err = ECORE_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
 753         p_operational->err = err;
 754         p_operational->enabled = enabled;
 755         p_operational->valid = true;
 756
 757         return ECORE_SUCCESS;
 758 }
 759
 760 static void
 761 ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
 762                            struct ecore_ptt *p_ptt,
 763                            struct ecore_dcbx_get *params)
 764 {
 765         struct ecore_dcbx_dscp_params *p_dscp;
 766         struct dcb_dscp_map *p_dscp_map;
 767         int i, j, entry;
 768         u32 pri_map;
 769
 770         p_dscp = &params->dscp;
 771         p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 772         p_dscp->enabled = ECORE_MFW_GET_FIELD(p_dscp_map->flags,
 773                                               DCB_DSCP_ENABLE);
 774         /* MFW encodes 64 dscp entries into 8 element array of u32 entries,
 775          * where each entry holds the 4bit priority map for 8 dscp entries.
 776          */
 777         for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
 778                 pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
 779                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
 780                            entry, pri_map);
 781                 for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
 782                         p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
 783                                                            (j * 4)) & 0xf;
 784         }
 785 }
 786
 787 static void
 788 ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
 789                                  struct ecore_ptt *p_ptt,
 790                                  struct ecore_dcbx_get *params)
 791 {
 792         struct lldp_config_params_s *p_local;
 793
 794         p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
 795
 796         OSAL_MEMCPY(params->lldp_local.local_chassis_id,
 797                     p_local->local_chassis_id,
 798                     OSAL_ARRAY_SIZE(p_local->local_chassis_id));
 799         OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
 800                     OSAL_ARRAY_SIZE(p_local->local_port_id));
 801 }
 802
 803 static void
 804 ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
 805                                   struct ecore_ptt *p_ptt,
 806                                   struct ecore_dcbx_get *params)
 807 {
 808         struct lldp_status_params_s *p_remote;
 809
 810         p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
 811
 812         OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
 813                     p_remote->peer_chassis_id,
 814                     OSAL_ARRAY_SIZE(p_remote->peer_chassis_id));
 815         OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
 816                     OSAL_ARRAY_SIZE(p_remote->peer_port_id));
 817 }
 818
 819 static enum _ecore_status_t
 820 ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 821                       struct ecore_dcbx_get *p_params,
 822                       enum ecore_mib_read_type type)
 823 {
 824         enum _ecore_status_t rc = ECORE_SUCCESS;
 825
 826         switch (type) {
 827         case ECORE_DCBX_REMOTE_MIB:
 828                 ecore_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
 829                 break;
 830         case ECORE_DCBX_LOCAL_MIB:
 831                 ecore_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
 832                 break;
 833         case ECORE_DCBX_OPERATIONAL_MIB:
 834                 ecore_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
 835                 break;
 836         case ECORE_DCBX_REMOTE_LLDP_MIB:
 837                 ecore_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
 838                 break;
 839         case ECORE_DCBX_LOCAL_LLDP_MIB:
 840                 ecore_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
 841                 break;
 842         default:
 843                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 844                 return ECORE_INVAL;
 845         }
 846
 847         return rc;
 848 }
 849
 850 static enum _ecore_status_t
 851 ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
 852                                struct ecore_ptt *p_ptt)
 853 {
 854         struct ecore_dcbx_mib_meta_data data;
 855         enum _ecore_status_t rc = ECORE_SUCCESS;
 856
 857         OSAL_MEM_ZERO(&data, sizeof(data));
 858         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 859                                                            lldp_config_params);
 860         data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
 861         data.size = sizeof(struct lldp_config_params_s);
 862         ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
 863
 864         return rc;
 865 }
 866
 867 static enum _ecore_status_t
 868 ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
 869                                 struct ecore_ptt *p_ptt,
 870                                 enum ecore_mib_read_type type)
 871 {
 872         struct ecore_dcbx_mib_meta_data data;
 873         enum _ecore_status_t rc = ECORE_SUCCESS;
 874
 875         OSAL_MEM_ZERO(&data, sizeof(data));
 876         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 877                                                            lldp_status_params);
 878         data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
 879         data.size = sizeof(struct lldp_status_params_s);
 880         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 881
 882         return rc;
 883 }
 884
 885 static enum _ecore_status_t
 886 ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
 887                                 struct ecore_ptt *p_ptt,
 888                                 enum ecore_mib_read_type type)
 889 {
 890         struct ecore_dcbx_mib_meta_data data;
 891         enum _ecore_status_t rc = ECORE_SUCCESS;
 892
 893         OSAL_MEM_ZERO(&data, sizeof(data));
 894         data.addr = p_hwfn->mcp_info->port_addr +
 895                     offsetof(struct public_port, operational_dcbx_mib);
 896         data.mib = &p_hwfn->p_dcbx_info->operational;
 897         data.size = sizeof(struct dcbx_mib);
 898         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 899
 900         return rc;
 901 }
 902
 903 static enum _ecore_status_t
 904 ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
 905                            struct ecore_ptt *p_ptt,
 906                            enum ecore_mib_read_type type)
 907 {
 908         struct ecore_dcbx_mib_meta_data data;
 909         enum _ecore_status_t rc = ECORE_SUCCESS;
 910
 911         OSAL_MEM_ZERO(&data, sizeof(data));
 912         data.addr = p_hwfn->mcp_info->port_addr +
 913                     offsetof(struct public_port, remote_dcbx_mib);
 914         data.mib = &p_hwfn->p_dcbx_info->remote;
 915         data.size = sizeof(struct dcbx_mib);
 916         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 917
 918         return rc;
 919 }
 920
 921 static enum _ecore_status_t
 922 ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 923 {
 924         struct ecore_dcbx_mib_meta_data data;
 925         enum _ecore_status_t rc = ECORE_SUCCESS;
 926
 927         OSAL_MEM_ZERO(&data, sizeof(data));
 928         data.addr = p_hwfn->mcp_info->port_addr +
 929                         offsetof(struct public_port, local_admin_dcbx_mib);
 930         data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
 931         data.size = sizeof(struct dcbx_local_params);
 932         ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
 933                           data.addr, data.size);
 934
 935         return rc;
 936 }
 937
 938 static void
 939 ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
 940 {
 941         struct ecore_dcbx_mib_meta_data data;
 942
 943         data.addr = p_hwfn->mcp_info->port_addr +
 944                         offsetof(struct public_port, dcb_dscp_map);
 945         data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
 946         data.size = sizeof(struct dcb_dscp_map);
 947         ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
 948 }
 949
 950 static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
 951                                                 struct ecore_ptt *p_ptt,
 952                                                 enum ecore_mib_read_type type)
 953 {
 954         enum _ecore_status_t rc = ECORE_INVAL;
 955
 956         switch (type) {
 957         case ECORE_DCBX_OPERATIONAL_MIB:
 958                 ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
 959                 rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
 960                 break;
 961         case ECORE_DCBX_REMOTE_MIB:
 962                 rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
 963                 break;
 964         case ECORE_DCBX_LOCAL_MIB:
 965                 rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
 966                 break;
 967         case ECORE_DCBX_REMOTE_LLDP_MIB:
 968                 rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
 969                 break;
 970         case ECORE_DCBX_LOCAL_LLDP_MIB:
 971                 rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
 972                 break;
 973         default:
 974                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 975         }
 976
 977         return rc;
 978 }
 979
 980 /*
 981  * Read updated MIB.
 982  * Reconfigure QM and invoke PF update ramrod command if operational MIB
 983  * change is detected.
 984  */
 985 enum _ecore_status_t
 986 ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 987                             enum ecore_mib_read_type type)
 988 {
 989         enum _ecore_status_t rc = ECORE_SUCCESS;
 990
 991         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
 992         if (rc)
 993                 return rc;
 994
 995         if (type == ECORE_DCBX_OPERATIONAL_MIB) {
 996                 ecore_dcbx_get_dscp_params(p_hwfn, p_ptt,
 997                                            &p_hwfn->p_dcbx_info->get);
 998
 999                 rc = ecore_dcbx_process_mib_info(p_hwfn);
1000                 if (!rc) {
1001                         bool enabled;
1002
1003                         /* reconfigure tcs of QM queues according
1004                          * to negotiation results
1005                          */
1006                         ecore_qm_reconf(p_hwfn, p_ptt);
1007
1008                         /* update storm FW with negotiation results */
1009                         ecore_sp_pf_update(p_hwfn);
1010
1011                         /* set eagle enigne 1 flow control workaround
1012                          * according to negotiation results
1013                          */
1014                         enabled = p_hwfn->p_dcbx_info->results.dcbx_enabled;
1015
1016 #ifdef CONFIG_ECORE_ROCE
1017                         /* for roce PFs, we may want to enable/disable DPM
1018                          * when DCBx change occurs
1019                          */
1020                         if (ECORE_IS_ROCE_PERSONALITY(p_hwfn))
1021                                 ecore_roce_dpm_dcbx(p_hwfn, p_ptt);
1022 #endif
1023                 }
1024         }
1025
1026         ecore_dcbx_get_params(p_hwfn, p_ptt, &p_hwfn->p_dcbx_info->get, type);
1027
1028         if (type == ECORE_DCBX_OPERATIONAL_MIB) {
1029                 struct ecore_dcbx_results *p_data;
1030                 u16 val;
1031
1032                 /* Update the DSCP to TC mapping bit if required */
1033                 if (p_hwfn->p_dcbx_info->dscp_nig_update) {
1034                         ecore_wr(p_hwfn, p_ptt, NIG_REG_DSCP_TO_TC_MAP_ENABLE,
1035                                  0x1);
1036                         p_hwfn->p_dcbx_info->dscp_nig_update = false;
1037                 }
1038
1039                 /* Configure in NIG which protocols support EDPM and should
1040                  * honor PFC.
1041                  */
1042                 p_data = &p_hwfn->p_dcbx_info->results;
1043                 val = (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE].tc) |
1044                         (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE_V2].tc);
1045                 val <<= NIG_REG_TX_EDPM_CTRL_TX_EDPM_TC_EN_SHIFT;
1046                 val |= NIG_REG_TX_EDPM_CTRL_TX_EDPM_EN;
1047                 ecore_wr(p_hwfn, p_ptt, NIG_REG_TX_EDPM_CTRL, val);
1048         }
1049
1050         OSAL_DCBX_AEN(p_hwfn, type);
1051
1052         return rc;
1053 }
1054
1055 enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
1056 {
1057         OSAL_BUILD_BUG_ON(ECORE_LLDP_CHASSIS_ID_STAT_LEN !=
1058                           LLDP_CHASSIS_ID_STAT_LEN);
1059         OSAL_BUILD_BUG_ON(ECORE_LLDP_PORT_ID_STAT_LEN !=
1060                           LLDP_PORT_ID_STAT_LEN);
1061         OSAL_BUILD_BUG_ON(ECORE_DCBX_MAX_APP_PROTOCOL !=
1062                           DCBX_MAX_APP_PROTOCOL);
1063
1064         p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
1065                                           sizeof(*p_hwfn->p_dcbx_info));
1066         if (!p_hwfn->p_dcbx_info) {
1067                 DP_NOTICE(p_hwfn, true,
1068                           "Failed to allocate `struct ecore_dcbx_info'");
1069                 return ECORE_NOMEM;
1070         }
1071
1072         p_hwfn->p_dcbx_info->iwarp_port =
1073                 p_hwfn->pf_params.rdma_pf_params.iwarp_port;
1074
1075         return ECORE_SUCCESS;
1076 }
1077
1078 void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn)
1079 {
1080         OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
1081         p_hwfn->p_dcbx_info = OSAL_NULL;
1082 }
1083
1084 static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
1085                                             struct ecore_dcbx_results *p_src,
1086                                             enum dcbx_protocol_type type)
1087 {
1088         p_data->dcb_enable_flag = p_src->arr[type].enable;
1089         p_data->dcb_priority = p_src->arr[type].priority;
1090         p_data->dcb_tc = p_src->arr[type].tc;
1091         p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
1092         p_data->dscp_val = p_src->arr[type].dscp_val;
1093 }
1094
1095 /* Set pf update ramrod command params */
1096 void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
1097                                      struct pf_update_ramrod_data *p_dest)
1098 {
1099         struct protocol_dcb_data *p_dcb_data;
1100         u8 update_flag;
1101
1102         p_dest->pf_id = p_src->pf_id;
1103
1104         update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update;
1105         p_dest->update_fcoe_dcb_data_mode = update_flag;
1106
1107         update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update;
1108         p_dest->update_roce_dcb_data_mode = update_flag;
1109
1110         update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update;
1111         p_dest->update_rroce_dcb_data_mode = update_flag;
1112
1113         update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update;
1114         p_dest->update_iscsi_dcb_data_mode = update_flag;
1115         update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
1116         p_dest->update_eth_dcb_data_mode = update_flag;
1117         update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update;
1118         p_dest->update_iwarp_dcb_data_mode = update_flag;
1119
1120         p_dcb_data = &p_dest->fcoe_dcb_data;
1121         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE);
1122         p_dcb_data = &p_dest->roce_dcb_data;
1123         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE);
1124         p_dcb_data = &p_dest->rroce_dcb_data;
1125         ecore_dcbx_update_protocol_data(p_dcb_data, p_src,
1126                                         DCBX_PROTOCOL_ROCE_V2);
1127         p_dcb_data = &p_dest->iscsi_dcb_data;
1128         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI);
1129         p_dcb_data = &p_dest->eth_dcb_data;
1130         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
1131         p_dcb_data = &p_dest->iwarp_dcb_data;
1132         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP);
1133 }
1134
1135 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
1136                                              struct ecore_dcbx_get *p_get,
1137                                              enum ecore_mib_read_type type)
1138 {
1139         struct ecore_ptt *p_ptt;
1140         enum _ecore_status_t rc;
1141
1142         if (IS_VF(p_hwfn->p_dev))
1143                 return ECORE_INVAL;
1144
1145         p_ptt = ecore_ptt_acquire(p_hwfn);
1146         if (!p_ptt) {
1147                 rc = ECORE_TIMEOUT;
1148                 DP_ERR(p_hwfn, "rc = %d\n", rc);
1149                 return rc;
1150         }
1151
1152         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
1153         if (rc != ECORE_SUCCESS)
1154                 goto out;
1155
1156         rc = ecore_dcbx_get_params(p_hwfn, p_ptt, p_get, type);
1157
1158 out:
1159         ecore_ptt_release(p_hwfn, p_ptt);
1160         return rc;
1161 }
1162
1163 static void
1164 ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
1165                         u32 *pfc, struct ecore_dcbx_params *p_params)
1166 {
1167         u8 pfc_map = 0;
1168         int i;
1169
1170         *pfc &= ~DCBX_PFC_ERROR_MASK;
1171
1172         if (p_params->pfc.willing)
1173                 *pfc |= DCBX_PFC_WILLING_MASK;
1174         else
1175                 *pfc &= ~DCBX_PFC_WILLING_MASK;
1176
1177         if (p_params->pfc.enabled)
1178                 *pfc |= DCBX_PFC_ENABLED_MASK;
1179         else
1180                 *pfc &= ~DCBX_PFC_ENABLED_MASK;
1181
1182         *pfc &= ~DCBX_PFC_CAPS_MASK;
1183         *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
1184
1185         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
1186                 if (p_params->pfc.prio[i])
1187                         pfc_map |= (1 << i);
1188         *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
1189         *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
1190
1191         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
1192 }
1193
1194 static void
1195 ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
1196                         struct dcbx_ets_feature *p_ets,
1197                         struct ecore_dcbx_params *p_params)
1198 {
1199         u8 *bw_map, *tsa_map;
1200         u32 val;
1201         int i;
1202
1203         if (p_params->ets_willing)
1204                 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1205         else
1206                 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1207
1208         if (p_params->ets_cbs)
1209                 p_ets->flags |= DCBX_ETS_CBS_MASK;
1210         else
1211                 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1212
1213         if (p_params->ets_enabled)
1214                 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1215         else
1216                 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1217
1218         p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1219         p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
1220
1221         bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1222         tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1223         p_ets->pri_tc_tbl[0] = 0;
1224         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
1225                 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1226                 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1227                 /* Copy the priority value to the corresponding 4 bits in the
1228                  * traffic class table.
1229                  */
1230                 val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1231                 p_ets->pri_tc_tbl[0] |= val;
1232         }
1233         for (i = 0; i < 2; i++) {
1234                 p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
1235                 p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
1236         }
1237
1238         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1239                    "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
1240                    p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
1241                    p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
1242                    p_ets->tc_tsa_tbl[1]);
1243 }
1244
1245 static void
1246 ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
1247                         struct dcbx_app_priority_feature *p_app,
1248                         struct ecore_dcbx_params *p_params, bool ieee)
1249 {
1250         u32 *entry;
1251         int i;
1252
1253         if (p_params->app_willing)
1254                 p_app->flags |= DCBX_APP_WILLING_MASK;
1255         else
1256                 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1257
1258         if (p_params->app_valid)
1259                 p_app->flags |= DCBX_APP_ENABLED_MASK;
1260         else
1261                 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1262
1263         p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1264         p_app->flags |= (u32)p_params->num_app_entries <<
1265                                         DCBX_APP_NUM_ENTRIES_SHIFT;
1266
1267         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
1268                 entry = &p_app->app_pri_tbl[i].entry;
1269                 *entry = 0;
1270                 if (ieee) {
1271                         *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1272                         switch (p_params->app_entry[i].sf_ieee) {
1273                         case ECORE_DCBX_SF_IEEE_ETHTYPE:
1274                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1275                                             DCBX_APP_SF_IEEE_SHIFT);
1276                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1277                                             DCBX_APP_SF_SHIFT);
1278                                 break;
1279                         case ECORE_DCBX_SF_IEEE_TCP_PORT:
1280                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1281                                             DCBX_APP_SF_IEEE_SHIFT);
1282                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1283                                             DCBX_APP_SF_SHIFT);
1284                                 break;
1285                         case ECORE_DCBX_SF_IEEE_UDP_PORT:
1286                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1287                                             DCBX_APP_SF_IEEE_SHIFT);
1288                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1289                                             DCBX_APP_SF_SHIFT);
1290                                 break;
1291                         case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
1292                                 *entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1293                                             DCBX_APP_SF_IEEE_SHIFT;
1294                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1295                                             DCBX_APP_SF_SHIFT);
1296                                 break;
1297                         }
1298                 } else {
1299                         *entry &= ~DCBX_APP_SF_MASK;
1300                         if (p_params->app_entry[i].ethtype)
1301                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1302                                             DCBX_APP_SF_SHIFT);
1303                         else
1304                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1305                                             DCBX_APP_SF_SHIFT);
1306                 }
1307                 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1308                 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1309                                 DCBX_APP_PROTOCOL_ID_SHIFT);
1310                 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1311                 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1312                                 DCBX_APP_PRI_MAP_SHIFT);
1313         }
1314
1315         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
1316 }
1317
1318 static enum _ecore_status_t
1319 ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
1320                             struct dcbx_local_params *local_admin,
1321                             struct ecore_dcbx_set *params)
1322 {
1323         bool ieee = false;
1324
1325         local_admin->flags = 0;
1326         OSAL_MEMCPY(&local_admin->features,
1327                     &p_hwfn->p_dcbx_info->operational.features,
1328                     sizeof(local_admin->features));
1329
1330         if (params->enabled) {
1331                 local_admin->config = params->ver_num;
1332                 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1333         } else
1334                 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1335
1336         if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
1337                 ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1338                                         &params->config.params);
1339
1340         if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
1341                 ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1342                                         &params->config.params);
1343
1344         if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
1345                 ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1346                                         &params->config.params, ieee);
1347
1348         return ECORE_SUCCESS;
1349 }
1350
1351 static enum _ecore_status_t
1352 ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
1353                            struct dcb_dscp_map *p_dscp_map,
1354                            struct ecore_dcbx_set *p_params)
1355 {
1356         int entry, i, j;
1357         u32 val;
1358
1359         OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
1360                     sizeof(*p_dscp_map));
1361
1362         p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
1363         if (p_params->dscp.enabled)
1364                 p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
1365
1366         for (i = 0, entry = 0; i < 8; i++) {
1367                 val = 0;
1368                 for (j = 0; j < 8; j++, entry++)
1369                         val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
1370                                 (j * 4));
1371
1372                 p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
1373         }
1374
1375         p_hwfn->p_dcbx_info->dscp_nig_update = true;
1376
1377         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
1378
1379         return ECORE_SUCCESS;
1380 }
1381
1382 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
1383                                               struct ecore_ptt *p_ptt,
1384                                               struct ecore_dcbx_set *params,
1385                                               bool hw_commit)
1386 {
1387         struct dcbx_local_params local_admin;
1388         struct ecore_dcbx_mib_meta_data data;
1389         struct dcb_dscp_map dscp_map;
1390         u32 resp = 0, param = 0;
1391         enum _ecore_status_t rc = ECORE_SUCCESS;
1392
1393         if (!hw_commit) {
1394                 OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
1395                             sizeof(p_hwfn->p_dcbx_info->set));
1396                 return ECORE_SUCCESS;
1397         }
1398
1399         /* clear set-parmas cache */
1400         OSAL_MEMSET(&p_hwfn->p_dcbx_info->set, 0,
1401                     sizeof(struct ecore_dcbx_set));
1402
1403         OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
1404         ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
1405
1406         data.addr = p_hwfn->mcp_info->port_addr +
1407                         offsetof(struct public_port, local_admin_dcbx_mib);
1408         data.local_admin = &local_admin;
1409         data.size = sizeof(struct dcbx_local_params);
1410         ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1411
1412         if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
1413                 OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
1414                 ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
1415
1416                 data.addr = p_hwfn->mcp_info->port_addr +
1417                                 offsetof(struct public_port, dcb_dscp_map);
1418                 data.dscp_map = &dscp_map;
1419                 data.size = sizeof(struct dcb_dscp_map);
1420                 ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
1421                                 data.size);
1422         }
1423
1424         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1425                            1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, &param);
1426         if (rc != ECORE_SUCCESS) {
1427                 DP_NOTICE(p_hwfn, false,
1428                           "Failed to send DCBX update request\n");
1429                 return rc;
1430         }
1431
1432         return rc;
1433 }
1434
1435 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
1436                                                   struct ecore_dcbx_set *params)
1437 {
1438         struct ecore_dcbx_get *dcbx_info;
1439         int rc;
1440
1441         if (p_hwfn->p_dcbx_info->set.config.valid) {
1442                 OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1443                             sizeof(struct ecore_dcbx_set));
1444                 return ECORE_SUCCESS;
1445         }
1446
1447         dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1448                                sizeof(*dcbx_info));
1449         if (!dcbx_info) {
1450                 DP_ERR(p_hwfn, "Failed to allocate struct ecore_dcbx_info\n");
1451                 return ECORE_NOMEM;
1452         }
1453
1454         OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
1455         rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
1456                                      ECORE_DCBX_OPERATIONAL_MIB);
1457         if (rc) {
1458                 OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1459                 return rc;
1460         }
1461         p_hwfn->p_dcbx_info->set.override_flags = 0;
1462
1463         p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1464         if (dcbx_info->operational.cee)
1465                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1466         if (dcbx_info->operational.ieee)
1467                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1468         if (dcbx_info->operational.local)
1469                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
1470
1471         p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1472         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
1473                     &dcbx_info->operational.params,
1474                     sizeof(struct ecore_dcbx_admin_params));
1475         p_hwfn->p_dcbx_info->set.config.valid = true;
1476
1477         OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1478                     sizeof(struct ecore_dcbx_set));
1479
1480         OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1481
1482         return ECORE_SUCCESS;
1483 }