drivers/net/ethernet/qlogic/qed/qed_dcbx.c

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/types.h>
  34 #include <asm/byteorder.h>
  35 #include <linux/bitops.h>
  36 #include <linux/dcbnl.h>
  37 #include <linux/errno.h>
  38 #include <linux/kernel.h>
  39 #include <linux/slab.h>
  40 #include <linux/string.h>
  41 #include "qed.h"
  42 #include "qed_cxt.h"
  43 #include "qed_dcbx.h"
  44 #include "qed_hsi.h"
  45 #include "qed_sp.h"
  46 #include "qed_sriov.h"
  47 #ifdef CONFIG_DCB
  48 #include <linux/qed/qed_eth_if.h>
  49 #endif
  50
  51 #define QED_DCBX_MAX_MIB_READ_TRY       (100)
  52 #define QED_ETH_TYPE_DEFAULT            (0)
  53 #define QED_ETH_TYPE_ROCE               (0x8915)
  54 #define QED_UDP_PORT_TYPE_ROCE_V2       (0x12B7)
  55 #define QED_ETH_TYPE_FCOE               (0x8906)
  56 #define QED_TCP_PORT_ISCSI              (0xCBC)
  57
  58 #define QED_DCBX_INVALID_PRIORITY       0xFF
  59
  60 /* Get Traffic Class from priority traffic class table, 4 bits represent
  61  * the traffic class corresponding to the priority.
  62  */
  63 #define QED_DCBX_PRIO2TC(prio_tc_tbl, prio) \
  64         ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
  65
  66 static const struct qed_dcbx_app_metadata qed_dcbx_app_update[] = {
  67         {DCBX_PROTOCOL_ISCSI, "ISCSI", QED_PCI_DEFAULT},
  68         {DCBX_PROTOCOL_FCOE, "FCOE", QED_PCI_DEFAULT},
  69         {DCBX_PROTOCOL_ROCE, "ROCE", QED_PCI_DEFAULT},
  70         {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", QED_PCI_DEFAULT},
  71         {DCBX_PROTOCOL_ETH, "ETH", QED_PCI_ETH}
  72 };
  73
  74 static bool qed_dcbx_app_ethtype(u32 app_info_bitmap)
  75 {
  76         return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  77                   DCBX_APP_SF_ETHTYPE);
  78 }
  79
  80 static bool qed_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
  81 {
  82         u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
  83
  84         /* Old MFW */
  85         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
  86                 return qed_dcbx_app_ethtype(app_info_bitmap);
  87
  88         return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
  89 }
  90
  91 static bool qed_dcbx_app_port(u32 app_info_bitmap)
  92 {
  93         return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
  94                   DCBX_APP_SF_PORT);
  95 }
  96
  97 static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
  98 {
  99         u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
 100
 101         /* Old MFW */
 102         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
 103                 return qed_dcbx_app_port(app_info_bitmap);
 104
 105         return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
 106 }
 107
 108 static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 109 {
 110         bool ethtype;
 111
 112         if (ieee)
 113                 ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
 114         else
 115                 ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
 116
 117         return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT));
 118 }
 119
 120 static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 121 {
 122         bool port;
 123
 124         if (ieee)
 125                 port = qed_dcbx_ieee_app_port(app_info_bitmap,
 126                                               DCBX_APP_SF_IEEE_TCP_PORT);
 127         else
 128                 port = qed_dcbx_app_port(app_info_bitmap);
 129
 130         return !!(port && (proto_id == QED_TCP_PORT_ISCSI));
 131 }
 132
 133 static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 134 {
 135         bool ethtype;
 136
 137         if (ieee)
 138                 ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
 139         else
 140                 ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
 141
 142         return !!(ethtype && (proto_id == QED_ETH_TYPE_FCOE));
 143 }
 144
 145 static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 146 {
 147         bool ethtype;
 148
 149         if (ieee)
 150                 ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
 151         else
 152                 ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
 153
 154         return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE));
 155 }
 156
 157 static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 158 {
 159         bool port;
 160
 161         if (ieee)
 162                 port = qed_dcbx_ieee_app_port(app_info_bitmap,
 163                                               DCBX_APP_SF_IEEE_UDP_PORT);
 164         else
 165                 port = qed_dcbx_app_port(app_info_bitmap);
 166
 167         return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2));
 168 }
 169
 170 static void
 171 qed_dcbx_dp_protocol(struct qed_hwfn *p_hwfn, struct qed_dcbx_results *p_data)
 172 {
 173         enum dcbx_protocol_type id;
 174         int i;
 175
 176         DP_VERBOSE(p_hwfn, QED_MSG_DCB, "DCBX negotiated: %d\n",
 177                    p_data->dcbx_enabled);
 178
 179         for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) {
 180                 id = qed_dcbx_app_update[i].id;
 181
 182                 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
 183                            "%s info: update %d, enable %d, prio %d, tc %d, num_tc %d\n",
 184                            qed_dcbx_app_update[i].name, p_data->arr[id].update,
 185                            p_data->arr[id].enable, p_data->arr[id].priority,
 186                            p_data->arr[id].tc, p_hwfn->hw_info.num_tc);
 187         }
 188 }
 189
 190 static void
 191 qed_dcbx_set_params(struct qed_dcbx_results *p_data,
 192                     struct qed_hw_info *p_info,
 193                     bool enable,
 194                     bool update,
 195                     u8 prio,
 196                     u8 tc,
 197                     enum dcbx_protocol_type type,
 198                     enum qed_pci_personality personality)
 199 {
 200         /* PF update ramrod data */
 201         p_data->arr[type].update = update;
 202         p_data->arr[type].enable = enable;
 203         p_data->arr[type].priority = prio;
 204         p_data->arr[type].tc = tc;
 205
 206         /* QM reconf data */
 207         if (p_info->personality == personality) {
 208                 if (personality == QED_PCI_ETH)
 209                         p_info->non_offload_tc = tc;
 210                 else
 211                         p_info->offload_tc = tc;
 212         }
 213 }
 214
 215 /* Update app protocol data and hw_info fields with the TLV info */
 216 static void
 217 qed_dcbx_update_app_info(struct qed_dcbx_results *p_data,
 218                          struct qed_hwfn *p_hwfn,
 219                          bool enable,
 220                          bool update,
 221                          u8 prio, u8 tc, enum dcbx_protocol_type type)
 222 {
 223         struct qed_hw_info *p_info = &p_hwfn->hw_info;
 224         enum qed_pci_personality personality;
 225         enum dcbx_protocol_type id;
 226         char *name;
 227         int i;
 228
 229         for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) {
 230                 id = qed_dcbx_app_update[i].id;
 231
 232                 if (type != id)
 233                         continue;
 234
 235                 personality = qed_dcbx_app_update[i].personality;
 236                 name = qed_dcbx_app_update[i].name;
 237
 238                 qed_dcbx_set_params(p_data, p_info, enable, update,
 239                                     prio, tc, type, personality);
 240         }
 241 }
 242
 243 static bool
 244 qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn,
 245                                u32 app_prio_bitmap,
 246                                u16 id, enum dcbx_protocol_type *type, bool ieee)
 247 {
 248         if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) {
 249                 *type = DCBX_PROTOCOL_FCOE;
 250         } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
 251                 *type = DCBX_PROTOCOL_ROCE;
 252         } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
 253                 *type = DCBX_PROTOCOL_ISCSI;
 254         } else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
 255                 *type = DCBX_PROTOCOL_ETH;
 256         } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
 257                 *type = DCBX_PROTOCOL_ROCE_V2;
 258         } else {
 259                 *type = DCBX_MAX_PROTOCOL_TYPE;
 260                 DP_ERR(p_hwfn,
 261                        "No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n",
 262                        id, app_prio_bitmap);
 263                 return false;
 264         }
 265
 266         return true;
 267 }
 268
 269 /* Parse app TLV's to update TC information in hw_info structure for
 270  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 271  */
 272 static int
 273 qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn,
 274                      struct qed_dcbx_results *p_data,
 275                      struct dcbx_app_priority_entry *p_tbl,
 276                      u32 pri_tc_tbl, int count, u8 dcbx_version)
 277 {
 278         u8 tc, priority_map;
 279         enum dcbx_protocol_type type;
 280         bool enable, ieee;
 281         u16 protocol_id;
 282         int priority;
 283         int i;
 284
 285         DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count);
 286
 287         ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
 288         /* Parse APP TLV */
 289         for (i = 0; i < count; i++) {
 290                 protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
 291                                                 DCBX_APP_PROTOCOL_ID);
 292                 priority_map = QED_MFW_GET_FIELD(p_tbl[i].entry,
 293                                                  DCBX_APP_PRI_MAP);
 294                 priority = ffs(priority_map) - 1;
 295                 if (priority < 0) {
 296                         DP_ERR(p_hwfn, "Invalid priority\n");
 297                         return -EINVAL;
 298                 }
 299
 300                 tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority);
 301                 if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 302                                                    protocol_id, &type, ieee)) {
 303                         /* ETH always have the enable bit reset, as it gets
 304                          * vlan information per packet. For other protocols,
 305                          * should be set according to the dcbx_enabled
 306                          * indication, but we only got here if there was an
 307                          * app tlv for the protocol, so dcbx must be enabled.
 308                          */
 309                         enable = !(type == DCBX_PROTOCOL_ETH);
 310
 311                         qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
 312                                                  priority, tc, type);
 313                 }
 314         }
 315
 316         /* If RoCE-V2 TLV is not detected, driver need to use RoCE app
 317          * data for RoCE-v2 not the default app data.
 318          */
 319         if (!p_data->arr[DCBX_PROTOCOL_ROCE_V2].update &&
 320             p_data->arr[DCBX_PROTOCOL_ROCE].update) {
 321                 tc = p_data->arr[DCBX_PROTOCOL_ROCE].tc;
 322                 priority = p_data->arr[DCBX_PROTOCOL_ROCE].priority;
 323                 qed_dcbx_update_app_info(p_data, p_hwfn, true, true,
 324                                          priority, tc, DCBX_PROTOCOL_ROCE_V2);
 325         }
 326
 327         /* Update ramrod protocol data and hw_info fields
 328          * with default info when corresponding APP TLV's are not detected.
 329          * The enabled field has a different logic for ethernet as only for
 330          * ethernet dcb should disabled by default, as the information arrives
 331          * from the OS (unless an explicit app tlv was present).
 332          */
 333         tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
 334         priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
 335         for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
 336                 if (p_data->arr[type].update)
 337                         continue;
 338
 339                 enable = !(type == DCBX_PROTOCOL_ETH);
 340                 qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
 341                                          priority, tc, type);
 342         }
 343
 344         return 0;
 345 }
 346
 347 /* Parse app TLV's to update TC information in hw_info structure for
 348  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 349  */
 350 static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn)
 351 {
 352         struct dcbx_app_priority_feature *p_app;
 353         struct dcbx_app_priority_entry *p_tbl;
 354         struct qed_dcbx_results data = { 0 };
 355         struct dcbx_ets_feature *p_ets;
 356         struct qed_hw_info *p_info;
 357         u32 pri_tc_tbl, flags;
 358         u8 dcbx_version;
 359         int num_entries;
 360         int rc = 0;
 361
 362         flags = p_hwfn->p_dcbx_info->operational.flags;
 363         dcbx_version = QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
 364
 365         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
 366         p_tbl = p_app->app_pri_tbl;
 367
 368         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
 369         pri_tc_tbl = p_ets->pri_tc_tbl[0];
 370
 371         p_info = &p_hwfn->hw_info;
 372         num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
 373
 374         rc = qed_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
 375                                   num_entries, dcbx_version);
 376         if (rc)
 377                 return rc;
 378
 379         p_info->num_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
 380         data.pf_id = p_hwfn->rel_pf_id;
 381         data.dcbx_enabled = !!dcbx_version;
 382
 383         qed_dcbx_dp_protocol(p_hwfn, &data);
 384
 385         memcpy(&p_hwfn->p_dcbx_info->results, &data,
 386                sizeof(struct qed_dcbx_results));
 387
 388         return 0;
 389 }
 390
 391 static int
 392 qed_dcbx_copy_mib(struct qed_hwfn *p_hwfn,
 393                   struct qed_ptt *p_ptt,
 394                   struct qed_dcbx_mib_meta_data *p_data,
 395                   enum qed_mib_read_type type)
 396 {
 397         u32 prefix_seq_num, suffix_seq_num;
 398         int read_count = 0;
 399         int rc = 0;
 400
 401         /* The data is considered to be valid only if both sequence numbers are
 402          * the same.
 403          */
 404         do {
 405                 if (type == QED_DCBX_REMOTE_LLDP_MIB) {
 406                         qed_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
 407                                         p_data->addr, p_data->size);
 408                         prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
 409                         suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
 410                 } else {
 411                         qed_memcpy_from(p_hwfn, p_ptt, p_data->mib,
 412                                         p_data->addr, p_data->size);
 413                         prefix_seq_num = p_data->mib->prefix_seq_num;
 414                         suffix_seq_num = p_data->mib->suffix_seq_num;
 415                 }
 416                 read_count++;
 417
 418                 DP_VERBOSE(p_hwfn,
 419                            QED_MSG_DCB,
 420                            "mib type = %d, try count = %d prefix seq num  = %d suffix seq num = %d\n",
 421                            type, read_count, prefix_seq_num, suffix_seq_num);
 422         } while ((prefix_seq_num != suffix_seq_num) &&
 423                  (read_count < QED_DCBX_MAX_MIB_READ_TRY));
 424
 425         if (read_count >= QED_DCBX_MAX_MIB_READ_TRY) {
 426                 DP_ERR(p_hwfn,
 427                        "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
 428                        type, read_count, prefix_seq_num, suffix_seq_num);
 429                 rc = -EIO;
 430         }
 431
 432         return rc;
 433 }
 434
 435 static void
 436 qed_dcbx_get_priority_info(struct qed_hwfn *p_hwfn,
 437                            struct qed_dcbx_app_prio *p_prio,
 438                            struct qed_dcbx_results *p_results)
 439 {
 440         u8 val;
 441
 442         p_prio->roce = QED_DCBX_INVALID_PRIORITY;
 443         p_prio->roce_v2 = QED_DCBX_INVALID_PRIORITY;
 444         p_prio->iscsi = QED_DCBX_INVALID_PRIORITY;
 445         p_prio->fcoe = QED_DCBX_INVALID_PRIORITY;
 446
 447         if (p_results->arr[DCBX_PROTOCOL_ROCE].update &&
 448             p_results->arr[DCBX_PROTOCOL_ROCE].enable)
 449                 p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority;
 450
 451         if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update &&
 452             p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) {
 453                 val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority;
 454                 p_prio->roce_v2 = val;
 455         }
 456
 457         if (p_results->arr[DCBX_PROTOCOL_ISCSI].update &&
 458             p_results->arr[DCBX_PROTOCOL_ISCSI].enable)
 459                 p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority;
 460
 461         if (p_results->arr[DCBX_PROTOCOL_FCOE].update &&
 462             p_results->arr[DCBX_PROTOCOL_FCOE].enable)
 463                 p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority;
 464
 465         if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
 466             p_results->arr[DCBX_PROTOCOL_ETH].enable)
 467                 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
 468
 469         DP_VERBOSE(p_hwfn, QED_MSG_DCB,
 470                    "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n",
 471                    p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe,
 472                    p_prio->eth);
 473 }
 474
 475 static void
 476 qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn,
 477                       struct dcbx_app_priority_feature *p_app,
 478                       struct dcbx_app_priority_entry *p_tbl,
 479                       struct qed_dcbx_params *p_params, bool ieee)
 480 {
 481         struct qed_app_entry *entry;
 482         u8 pri_map;
 483         int i;
 484
 485         p_params->app_willing = QED_MFW_GET_FIELD(p_app->flags,
 486                                                   DCBX_APP_WILLING);
 487         p_params->app_valid = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ENABLED);
 488         p_params->app_error = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
 489         p_params->num_app_entries = QED_MFW_GET_FIELD(p_app->flags,
 490                                                       DCBX_APP_NUM_ENTRIES);
 491         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
 492                 entry = &p_params->app_entry[i];
 493                 if (ieee) {
 494                         u8 sf_ieee;
 495                         u32 val;
 496
 497                         sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry,
 498                                                     DCBX_APP_SF_IEEE);
 499                         switch (sf_ieee) {
 500                         case DCBX_APP_SF_IEEE_RESERVED:
 501                                 /* Old MFW */
 502                                 val = QED_MFW_GET_FIELD(p_tbl[i].entry,
 503                                                         DCBX_APP_SF);
 504                                 entry->sf_ieee = val ?
 505                                     QED_DCBX_SF_IEEE_TCP_UDP_PORT :
 506                                     QED_DCBX_SF_IEEE_ETHTYPE;
 507                                 break;
 508                         case DCBX_APP_SF_IEEE_ETHTYPE:
 509                                 entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE;
 510                                 break;
 511                         case DCBX_APP_SF_IEEE_TCP_PORT:
 512                                 entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT;
 513                                 break;
 514                         case DCBX_APP_SF_IEEE_UDP_PORT:
 515                                 entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT;
 516                                 break;
 517                         case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
 518                                 entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT;
 519                                 break;
 520                         }
 521                 } else {
 522                         entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry,
 523                                                              DCBX_APP_SF));
 524                 }
 525
 526                 pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
 527                 entry->prio = ffs(pri_map) - 1;
 528                 entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
 529                                                     DCBX_APP_PROTOCOL_ID);
 530                 qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
 531                                                entry->proto_id,
 532                                                &entry->proto_type, ieee);
 533         }
 534
 535         DP_VERBOSE(p_hwfn, QED_MSG_DCB,
 536                    "APP params: willing %d, valid %d error = %d\n",
 537                    p_params->app_willing, p_params->app_valid,
 538                    p_params->app_error);
 539 }
 540
 541 static void
 542 qed_dcbx_get_pfc_data(struct qed_hwfn *p_hwfn,
 543                       u32 pfc, struct qed_dcbx_params *p_params)
 544 {
 545         u8 pfc_map;
 546
 547         p_params->pfc.willing = QED_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
 548         p_params->pfc.max_tc = QED_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
 549         p_params->pfc.enabled = QED_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
 550         pfc_map = QED_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
 551         p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
 552         p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
 553         p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
 554         p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
 555         p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
 556         p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
 557         p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
 558         p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
 559
 560         DP_VERBOSE(p_hwfn, QED_MSG_DCB,
 561                    "PFC params: willing %d, pfc_bitmap %d\n",
 562                    p_params->pfc.willing, pfc_map);
 563 }
 564
 565 static void
 566 qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn,
 567                       struct dcbx_ets_feature *p_ets,
 568                       struct qed_dcbx_params *p_params)
 569 {
 570         u32 bw_map[2], tsa_map[2], pri_map;
 571         int i;
 572
 573         p_params->ets_willing = QED_MFW_GET_FIELD(p_ets->flags,
 574                                                   DCBX_ETS_WILLING);
 575         p_params->ets_enabled = QED_MFW_GET_FIELD(p_ets->flags,
 576                                                   DCBX_ETS_ENABLED);
 577         p_params->ets_cbs = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
 578         p_params->max_ets_tc = QED_MFW_GET_FIELD(p_ets->flags,
 579                                                  DCBX_ETS_MAX_TCS);
 580         DP_VERBOSE(p_hwfn, QED_MSG_DCB,
 581                    "ETS params: willing %d, ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
 582                    p_params->ets_willing,
 583                    p_params->ets_cbs,
 584                    p_ets->pri_tc_tbl[0], p_params->max_ets_tc);
 585
 586         /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
 587          * encoded in a type u32 array of size 2.
 588          */
 589         bw_map[0] = be32_to_cpu(p_ets->tc_bw_tbl[0]);
 590         bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]);
 591         tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]);
 592         tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]);
 593         pri_map = p_ets->pri_tc_tbl[0];
 594         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
 595                 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
 596                 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
 597                 p_params->ets_pri_tc_tbl[i] = QED_DCBX_PRIO2TC(pri_map, i);
 598                 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
 599                            "elem %d  bw_tbl %x tsa_tbl %x\n",
 600                            i, p_params->ets_tc_bw_tbl[i],
 601                            p_params->ets_tc_tsa_tbl[i]);
 602         }
 603 }
 604
 605 static void
 606 qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn,
 607                            struct dcbx_app_priority_feature *p_app,
 608                            struct dcbx_app_priority_entry *p_tbl,
 609                            struct dcbx_ets_feature *p_ets,
 610                            u32 pfc, struct qed_dcbx_params *p_params, bool ieee)
 611 {
 612         qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
 613         qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
 614         qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
 615 }
 616
 617 static void
 618 qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn,
 619                           struct qed_ptt *p_ptt, struct qed_dcbx_get *params)
 620 {
 621         struct dcbx_features *p_feat;
 622
 623         p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
 624         qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
 625                                    p_feat->app.app_pri_tbl, &p_feat->ets,
 626                                    p_feat->pfc, &params->local.params, false);
 627         params->local.valid = true;
 628 }
 629
 630 static void
 631 qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn,
 632                            struct qed_ptt *p_ptt, struct qed_dcbx_get *params)
 633 {
 634         struct dcbx_features *p_feat;
 635
 636         p_feat = &p_hwfn->p_dcbx_info->remote.features;
 637         qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
 638                                    p_feat->app.app_pri_tbl, &p_feat->ets,
 639                                    p_feat->pfc, &params->remote.params, false);
 640         params->remote.valid = true;
 641 }
 642
 643 static void
 644 qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn,
 645                                 struct qed_ptt *p_ptt,
 646                                 struct qed_dcbx_get *params)
 647 {
 648         struct qed_dcbx_operational_params *p_operational;
 649         struct qed_dcbx_results *p_results;
 650         struct dcbx_features *p_feat;
 651         bool enabled, err;
 652         u32 flags;
 653         bool val;
 654
 655         flags = p_hwfn->p_dcbx_info->operational.flags;
 656
 657         /* If DCBx version is non zero, then negotiation
 658          * was successfuly performed
 659          */
 660         p_operational = &params->operational;
 661         enabled = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
 662                      DCBX_CONFIG_VERSION_DISABLED);
 663         if (!enabled) {
 664                 p_operational->enabled = enabled;
 665                 p_operational->valid = false;
 666                 return;
 667         }
 668
 669         p_feat = &p_hwfn->p_dcbx_info->operational.features;
 670         p_results = &p_hwfn->p_dcbx_info->results;
 671
 672         val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 673                  DCBX_CONFIG_VERSION_IEEE);
 674         p_operational->ieee = val;
 675         val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
 676                  DCBX_CONFIG_VERSION_CEE);
 677         p_operational->cee = val;
 678
 679         DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Version support: ieee %d, cee %d\n",
 680                    p_operational->ieee, p_operational->cee);
 681
 682         qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
 683                                    p_feat->app.app_pri_tbl, &p_feat->ets,
 684                                    p_feat->pfc, &params->operational.params,
 685                                    p_operational->ieee);
 686         qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results);
 687         err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
 688         p_operational->err = err;
 689         p_operational->enabled = enabled;
 690         p_operational->valid = true;
 691 }
 692
 693 static void
 694 qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn,
 695                                struct qed_ptt *p_ptt,
 696                                struct qed_dcbx_get *params)
 697 {
 698         struct lldp_config_params_s *p_local;
 699
 700         p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
 701
 702         memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id,
 703                ARRAY_SIZE(p_local->local_chassis_id));
 704         memcpy(params->lldp_local.local_port_id, p_local->local_port_id,
 705                ARRAY_SIZE(p_local->local_port_id));
 706 }
 707
 708 static void
 709 qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn,
 710                                 struct qed_ptt *p_ptt,
 711                                 struct qed_dcbx_get *params)
 712 {
 713         struct lldp_status_params_s *p_remote;
 714
 715         p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
 716
 717         memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id,
 718                ARRAY_SIZE(p_remote->peer_chassis_id));
 719         memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
 720                ARRAY_SIZE(p_remote->peer_port_id));
 721 }
 722
 723 static int
 724 qed_dcbx_get_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
 725                     struct qed_dcbx_get *p_params,
 726                     enum qed_mib_read_type type)
 727 {
 728         switch (type) {
 729         case QED_DCBX_REMOTE_MIB:
 730                 qed_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
 731                 break;
 732         case QED_DCBX_LOCAL_MIB:
 733                 qed_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
 734                 break;
 735         case QED_DCBX_OPERATIONAL_MIB:
 736                 qed_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
 737                 break;
 738         case QED_DCBX_REMOTE_LLDP_MIB:
 739                 qed_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
 740                 break;
 741         case QED_DCBX_LOCAL_LLDP_MIB:
 742                 qed_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
 743                 break;
 744         default:
 745                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 746                 return -EINVAL;
 747         }
 748
 749         return 0;
 750 }
 751
 752 static int
 753 qed_dcbx_read_local_lldp_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 754 {
 755         struct qed_dcbx_mib_meta_data data;
 756         int rc = 0;
 757
 758         memset(&data, 0, sizeof(data));
 759         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 760                                                            lldp_config_params);
 761         data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
 762         data.size = sizeof(struct lldp_config_params_s);
 763         qed_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
 764
 765         return rc;
 766 }
 767
 768 static int
 769 qed_dcbx_read_remote_lldp_mib(struct qed_hwfn *p_hwfn,
 770                               struct qed_ptt *p_ptt,
 771                               enum qed_mib_read_type type)
 772 {
 773         struct qed_dcbx_mib_meta_data data;
 774         int rc = 0;
 775
 776         memset(&data, 0, sizeof(data));
 777         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
 778                                                            lldp_status_params);
 779         data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
 780         data.size = sizeof(struct lldp_status_params_s);
 781         rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 782
 783         return rc;
 784 }
 785
 786 static int
 787 qed_dcbx_read_operational_mib(struct qed_hwfn *p_hwfn,
 788                               struct qed_ptt *p_ptt,
 789                               enum qed_mib_read_type type)
 790 {
 791         struct qed_dcbx_mib_meta_data data;
 792         int rc = 0;
 793
 794         memset(&data, 0, sizeof(data));
 795         data.addr = p_hwfn->mcp_info->port_addr +
 796                     offsetof(struct public_port, operational_dcbx_mib);
 797         data.mib = &p_hwfn->p_dcbx_info->operational;
 798         data.size = sizeof(struct dcbx_mib);
 799         rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 800
 801         return rc;
 802 }
 803
 804 static int
 805 qed_dcbx_read_remote_mib(struct qed_hwfn *p_hwfn,
 806                          struct qed_ptt *p_ptt, enum qed_mib_read_type type)
 807 {
 808         struct qed_dcbx_mib_meta_data data;
 809         int rc = 0;
 810
 811         memset(&data, 0, sizeof(data));
 812         data.addr = p_hwfn->mcp_info->port_addr +
 813                     offsetof(struct public_port, remote_dcbx_mib);
 814         data.mib = &p_hwfn->p_dcbx_info->remote;
 815         data.size = sizeof(struct dcbx_mib);
 816         rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
 817
 818         return rc;
 819 }
 820
 821 static int
 822 qed_dcbx_read_local_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 823 {
 824         struct qed_dcbx_mib_meta_data data;
 825         int rc = 0;
 826
 827         memset(&data, 0, sizeof(data));
 828         data.addr = p_hwfn->mcp_info->port_addr +
 829                     offsetof(struct public_port, local_admin_dcbx_mib);
 830         data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
 831         data.size = sizeof(struct dcbx_local_params);
 832         qed_memcpy_from(p_hwfn, p_ptt, data.local_admin, data.addr, data.size);
 833
 834         return rc;
 835 }
 836
 837 static int qed_dcbx_read_mib(struct qed_hwfn *p_hwfn,
 838                              struct qed_ptt *p_ptt, enum qed_mib_read_type type)
 839 {
 840         int rc = -EINVAL;
 841
 842         switch (type) {
 843         case QED_DCBX_OPERATIONAL_MIB:
 844                 rc = qed_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
 845                 break;
 846         case QED_DCBX_REMOTE_MIB:
 847                 rc = qed_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
 848                 break;
 849         case QED_DCBX_LOCAL_MIB:
 850                 rc = qed_dcbx_read_local_mib(p_hwfn, p_ptt);
 851                 break;
 852         case QED_DCBX_REMOTE_LLDP_MIB:
 853                 rc = qed_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
 854                 break;
 855         case QED_DCBX_LOCAL_LLDP_MIB:
 856                 rc = qed_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
 857                 break;
 858         default:
 859                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
 860         }
 861
 862         return rc;
 863 }
 864
 865 void qed_dcbx_aen(struct qed_hwfn *hwfn, u32 mib_type)
 866 {
 867         struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
 868         void *cookie = hwfn->cdev->ops_cookie;
 869
 870         if (cookie && op->dcbx_aen)
 871                 op->dcbx_aen(cookie, &hwfn->p_dcbx_info->get, mib_type);
 872 }
 873
 874 /* Read updated MIB.
 875  * Reconfigure QM and invoke PF update ramrod command if operational MIB
 876  * change is detected.
 877  */
 878 int
 879 qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn,
 880                           struct qed_ptt *p_ptt, enum qed_mib_read_type type)
 881 {
 882         int rc = 0;
 883
 884         rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type);
 885         if (rc)
 886                 return rc;
 887
 888         if (type == QED_DCBX_OPERATIONAL_MIB) {
 889                 rc = qed_dcbx_process_mib_info(p_hwfn);
 890                 if (!rc) {
 891                         /* reconfigure tcs of QM queues according
 892                          * to negotiation results
 893                          */
 894                         qed_qm_reconf(p_hwfn, p_ptt);
 895
 896                         /* update storm FW with negotiation results */
 897                         qed_sp_pf_update(p_hwfn);
 898                 }
 899         }
 900         qed_dcbx_get_params(p_hwfn, p_ptt, &p_hwfn->p_dcbx_info->get, type);
 901         qed_dcbx_aen(p_hwfn, type);
 902
 903         return rc;
 904 }
 905
 906 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn)
 907 {
 908         int rc = 0;
 909
 910         p_hwfn->p_dcbx_info = kzalloc(sizeof(*p_hwfn->p_dcbx_info), GFP_KERNEL);
 911         if (!p_hwfn->p_dcbx_info)
 912                 rc = -ENOMEM;
 913
 914         return rc;
 915 }
 916
 917 void qed_dcbx_info_free(struct qed_hwfn *p_hwfn,
 918                         struct qed_dcbx_info *p_dcbx_info)
 919 {
 920         kfree(p_hwfn->p_dcbx_info);
 921 }
 922
 923 static void qed_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
 924                                           struct qed_dcbx_results *p_src,
 925                                           enum dcbx_protocol_type type)
 926 {
 927         p_data->dcb_enable_flag = p_src->arr[type].enable;
 928         p_data->dcb_priority = p_src->arr[type].priority;
 929         p_data->dcb_tc = p_src->arr[type].tc;
 930 }
 931
 932 /* Set pf update ramrod command params */
 933 void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
 934                                    struct pf_update_ramrod_data *p_dest)
 935 {
 936         struct protocol_dcb_data *p_dcb_data;
 937         bool update_flag = false;
 938
 939         p_dest->pf_id = p_src->pf_id;
 940
 941         update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update;
 942         p_dest->update_fcoe_dcb_data_flag = update_flag;
 943
 944         update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update;
 945         p_dest->update_roce_dcb_data_flag = update_flag;
 946         update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update;
 947         p_dest->update_roce_dcb_data_flag = update_flag;
 948
 949         update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update;
 950         p_dest->update_iscsi_dcb_data_flag = update_flag;
 951         update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
 952         p_dest->update_eth_dcb_data_flag = update_flag;
 953
 954         p_dcb_data = &p_dest->fcoe_dcb_data;
 955         qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE);
 956         p_dcb_data = &p_dest->roce_dcb_data;
 957
 958         if (p_src->arr[DCBX_PROTOCOL_ROCE].update)
 959                 qed_dcbx_update_protocol_data(p_dcb_data, p_src,
 960                                               DCBX_PROTOCOL_ROCE);
 961         if (p_src->arr[DCBX_PROTOCOL_ROCE_V2].update)
 962                 qed_dcbx_update_protocol_data(p_dcb_data, p_src,
 963                                               DCBX_PROTOCOL_ROCE_V2);
 964
 965         p_dcb_data = &p_dest->iscsi_dcb_data;
 966         qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI);
 967         p_dcb_data = &p_dest->eth_dcb_data;
 968         qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
 969 }
 970
 971 #ifdef CONFIG_DCB
 972 static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn,
 973                                  struct qed_dcbx_get *p_get,
 974                                  enum qed_mib_read_type type)
 975 {
 976         struct qed_ptt *p_ptt;
 977         int rc;
 978
 979         if (IS_VF(p_hwfn->cdev))
 980                 return -EINVAL;
 981
 982         p_ptt = qed_ptt_acquire(p_hwfn);
 983         if (!p_ptt)
 984                 return -EBUSY;
 985
 986         rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type);
 987         if (rc)
 988                 goto out;
 989
 990         rc = qed_dcbx_get_params(p_hwfn, p_ptt, p_get, type);
 991
 992 out:
 993         qed_ptt_release(p_hwfn, p_ptt);
 994         return rc;
 995 }
 996
 997 static void
 998 qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn,
 999                       u32 *pfc, struct qed_dcbx_params *p_params)
1000 {
1001         u8 pfc_map = 0;
1002         int i;
1003
1004         if (p_params->pfc.willing)
1005                 *pfc |= DCBX_PFC_WILLING_MASK;
1006         else
1007                 *pfc &= ~DCBX_PFC_WILLING_MASK;
1008
1009         if (p_params->pfc.enabled)
1010                 *pfc |= DCBX_PFC_ENABLED_MASK;
1011         else
1012                 *pfc &= ~DCBX_PFC_ENABLED_MASK;
1013
1014         *pfc &= ~DCBX_PFC_CAPS_MASK;
1015         *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
1016
1017         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
1018                 if (p_params->pfc.prio[i])
1019                         pfc_map |= BIT(i);
1020
1021         *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
1022         *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
1023
1024         DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc);
1025 }
1026
1027 static void
1028 qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn,
1029                       struct dcbx_ets_feature *p_ets,
1030                       struct qed_dcbx_params *p_params)
1031 {
1032         u8 *bw_map, *tsa_map;
1033         u32 val;
1034         int i;
1035
1036         if (p_params->ets_willing)
1037                 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1038         else
1039                 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1040
1041         if (p_params->ets_cbs)
1042                 p_ets->flags |= DCBX_ETS_CBS_MASK;
1043         else
1044                 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1045
1046         if (p_params->ets_enabled)
1047                 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1048         else
1049                 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1050
1051         p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1052         p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
1053
1054         bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1055         tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1056         p_ets->pri_tc_tbl[0] = 0;
1057         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
1058                 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1059                 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1060                 /* Copy the priority value to the corresponding 4 bits in the
1061                  * traffic class table.
1062                  */
1063                 val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1064                 p_ets->pri_tc_tbl[0] |= val;
1065         }
1066         for (i = 0; i < 2; i++) {
1067                 p_ets->tc_bw_tbl[i] = cpu_to_be32(p_ets->tc_bw_tbl[i]);
1068                 p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]);
1069         }
1070 }
1071
1072 static void
1073 qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
1074                       struct dcbx_app_priority_feature *p_app,
1075                       struct qed_dcbx_params *p_params, bool ieee)
1076 {
1077         u32 *entry;
1078         int i;
1079
1080         if (p_params->app_willing)
1081                 p_app->flags |= DCBX_APP_WILLING_MASK;
1082         else
1083                 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1084
1085         if (p_params->app_valid)
1086                 p_app->flags |= DCBX_APP_ENABLED_MASK;
1087         else
1088                 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1089
1090         p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1091         p_app->flags |= (u32)p_params->num_app_entries <<
1092             DCBX_APP_NUM_ENTRIES_SHIFT;
1093
1094         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
1095                 entry = &p_app->app_pri_tbl[i].entry;
1096                 *entry = 0;
1097                 if (ieee) {
1098                         *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1099                         switch (p_params->app_entry[i].sf_ieee) {
1100                         case QED_DCBX_SF_IEEE_ETHTYPE:
1101                                 *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1102                                            DCBX_APP_SF_IEEE_SHIFT);
1103                                 *entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
1104                                            DCBX_APP_SF_SHIFT);
1105                                 break;
1106                         case QED_DCBX_SF_IEEE_TCP_PORT:
1107                                 *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1108                                            DCBX_APP_SF_IEEE_SHIFT);
1109                                 *entry |= ((u32)DCBX_APP_SF_PORT <<
1110                                            DCBX_APP_SF_SHIFT);
1111                                 break;
1112                         case QED_DCBX_SF_IEEE_UDP_PORT:
1113                                 *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1114                                            DCBX_APP_SF_IEEE_SHIFT);
1115                                 *entry |= ((u32)DCBX_APP_SF_PORT <<
1116                                            DCBX_APP_SF_SHIFT);
1117                                 break;
1118                         case QED_DCBX_SF_IEEE_TCP_UDP_PORT:
1119                                 *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1120                                            DCBX_APP_SF_IEEE_SHIFT);
1121                                 *entry |= ((u32)DCBX_APP_SF_PORT <<
1122                                            DCBX_APP_SF_SHIFT);
1123                                 break;
1124                         }
1125                 } else {
1126                         *entry &= ~DCBX_APP_SF_MASK;
1127                         if (p_params->app_entry[i].ethtype)
1128                                 *entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
1129                                            DCBX_APP_SF_SHIFT);
1130                         else
1131                                 *entry |= ((u32)DCBX_APP_SF_PORT <<
1132                                            DCBX_APP_SF_SHIFT);
1133                 }
1134
1135                 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1136                 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1137                            DCBX_APP_PROTOCOL_ID_SHIFT);
1138                 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1139                 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1140                            DCBX_APP_PRI_MAP_SHIFT);
1141         }
1142 }
1143
1144 static void
1145 qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn,
1146                           struct dcbx_local_params *local_admin,
1147                           struct qed_dcbx_set *params)
1148 {
1149         bool ieee = false;
1150
1151         local_admin->flags = 0;
1152         memcpy(&local_admin->features,
1153                &p_hwfn->p_dcbx_info->operational.features,
1154                sizeof(local_admin->features));
1155
1156         if (params->enabled) {
1157                 local_admin->config = params->ver_num;
1158                 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1159         } else {
1160                 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1161         }
1162
1163         if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG)
1164                 qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1165                                       &params->config.params);
1166
1167         if (params->override_flags & QED_DCBX_OVERRIDE_ETS_CFG)
1168                 qed_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1169                                       &params->config.params);
1170
1171         if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG)
1172                 qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1173                                       &params->config.params, ieee);
1174 }
1175
1176 int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
1177                            struct qed_dcbx_set *params, bool hw_commit)
1178 {
1179         struct dcbx_local_params local_admin;
1180         struct qed_dcbx_mib_meta_data data;
1181         u32 resp = 0, param = 0;
1182         int rc = 0;
1183
1184         if (!hw_commit) {
1185                 memcpy(&p_hwfn->p_dcbx_info->set, params,
1186                        sizeof(struct qed_dcbx_set));
1187                 return 0;
1188         }
1189
1190         /* clear set-parmas cache */
1191         memset(&p_hwfn->p_dcbx_info->set, 0, sizeof(p_hwfn->p_dcbx_info->set));
1192
1193         memset(&local_admin, 0, sizeof(local_admin));
1194         qed_dcbx_set_local_params(p_hwfn, &local_admin, params);
1195
1196         data.addr = p_hwfn->mcp_info->port_addr +
1197             offsetof(struct public_port, local_admin_dcbx_mib);
1198         data.local_admin = &local_admin;
1199         data.size = sizeof(struct dcbx_local_params);
1200         qed_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1201
1202         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1203                          1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, &param);
1204         if (rc)
1205                 DP_NOTICE(p_hwfn, "Failed to send DCBX update request\n");
1206
1207         return rc;
1208 }
1209
1210 int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
1211                                struct qed_dcbx_set *params)
1212 {
1213         struct qed_dcbx_get *dcbx_info;
1214         int rc;
1215
1216         if (p_hwfn->p_dcbx_info->set.config.valid) {
1217                 memcpy(params, &p_hwfn->p_dcbx_info->set,
1218                        sizeof(struct qed_dcbx_set));
1219                 return 0;
1220         }
1221
1222         dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
1223         if (!dcbx_info)
1224                 return -ENOMEM;
1225
1226         memset(dcbx_info, 0, sizeof(*dcbx_info));
1227         rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB);
1228         if (rc) {
1229                 kfree(dcbx_info);
1230                 return rc;
1231         }
1232
1233         p_hwfn->p_dcbx_info->set.override_flags = 0;
1234         p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1235         if (dcbx_info->operational.cee)
1236                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1237         if (dcbx_info->operational.ieee)
1238                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1239
1240         p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1241         memcpy(&p_hwfn->p_dcbx_info->set.config.params,
1242                &dcbx_info->operational.params,
1243                sizeof(struct qed_dcbx_admin_params));
1244         p_hwfn->p_dcbx_info->set.config.valid = true;
1245
1246         memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set));
1247
1248         kfree(dcbx_info);
1249
1250         return 0;
1251 }
1252
1253 static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn,
1254                                                enum qed_mib_read_type type)
1255 {
1256         struct qed_dcbx_get *dcbx_info;
1257
1258         dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
1259         if (!dcbx_info)
1260                 return NULL;
1261
1262         memset(dcbx_info, 0, sizeof(*dcbx_info));
1263         if (qed_dcbx_query_params(hwfn, dcbx_info, type)) {
1264                 kfree(dcbx_info);
1265                 return NULL;
1266         }
1267
1268         if ((type == QED_DCBX_OPERATIONAL_MIB) &&
1269             !dcbx_info->operational.enabled) {
1270                 DP_INFO(hwfn, "DCBX is not enabled/operational\n");
1271                 kfree(dcbx_info);
1272                 return NULL;
1273         }
1274
1275         return dcbx_info;
1276 }
1277
1278 static u8 qed_dcbnl_getstate(struct qed_dev *cdev)
1279 {
1280         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1281         struct qed_dcbx_get *dcbx_info;
1282         bool enabled;
1283
1284         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1285         if (!dcbx_info)
1286                 return 0;
1287
1288         enabled = dcbx_info->operational.enabled;
1289         DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", enabled);
1290         kfree(dcbx_info);
1291
1292         return enabled;
1293 }
1294
1295 static u8 qed_dcbnl_setstate(struct qed_dev *cdev, u8 state)
1296 {
1297         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1298         struct qed_dcbx_set dcbx_set;
1299         struct qed_ptt *ptt;
1300         int rc;
1301
1302         DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", state);
1303
1304         memset(&dcbx_set, 0, sizeof(dcbx_set));
1305         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1306         if (rc)
1307                 return 1;
1308
1309         dcbx_set.enabled = !!state;
1310
1311         ptt = qed_ptt_acquire(hwfn);
1312         if (!ptt)
1313                 return 1;
1314
1315         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1316
1317         qed_ptt_release(hwfn, ptt);
1318
1319         return rc ? 1 : 0;
1320 }
1321
1322 static void qed_dcbnl_getpgtccfgtx(struct qed_dev *cdev, int tc, u8 *prio_type,
1323                                    u8 *pgid, u8 *bw_pct, u8 *up_map)
1324 {
1325         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1326         struct qed_dcbx_get *dcbx_info;
1327
1328         DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d\n", tc);
1329         *prio_type = *pgid = *bw_pct = *up_map = 0;
1330         if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) {
1331                 DP_INFO(hwfn, "Invalid tc %d\n", tc);
1332                 return;
1333         }
1334
1335         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1336         if (!dcbx_info)
1337                 return;
1338
1339         *pgid = dcbx_info->operational.params.ets_pri_tc_tbl[tc];
1340         kfree(dcbx_info);
1341 }
1342
1343 static void qed_dcbnl_getpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 *bw_pct)
1344 {
1345         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1346         struct qed_dcbx_get *dcbx_info;
1347
1348         *bw_pct = 0;
1349         DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d\n", pgid);
1350         if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) {
1351                 DP_INFO(hwfn, "Invalid pgid %d\n", pgid);
1352                 return;
1353         }
1354
1355         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1356         if (!dcbx_info)
1357                 return;
1358
1359         *bw_pct = dcbx_info->operational.params.ets_tc_bw_tbl[pgid];
1360         DP_VERBOSE(hwfn, QED_MSG_DCB, "bw_pct = %d\n", *bw_pct);
1361         kfree(dcbx_info);
1362 }
1363
1364 static void qed_dcbnl_getpgtccfgrx(struct qed_dev *cdev, int tc, u8 *prio,
1365                                    u8 *bwg_id, u8 *bw_pct, u8 *up_map)
1366 {
1367         DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1368         *prio = *bwg_id = *bw_pct = *up_map = 0;
1369 }
1370
1371 static void qed_dcbnl_getpgbwgcfgrx(struct qed_dev *cdev,
1372                                     int bwg_id, u8 *bw_pct)
1373 {
1374         DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1375         *bw_pct = 0;
1376 }
1377
1378 static void qed_dcbnl_getpfccfg(struct qed_dev *cdev,
1379                                 int priority, u8 *setting)
1380 {
1381         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1382         struct qed_dcbx_get *dcbx_info;
1383
1384         DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d\n", priority);
1385         if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) {
1386                 DP_INFO(hwfn, "Invalid priority %d\n", priority);
1387                 return;
1388         }
1389
1390         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1391         if (!dcbx_info)
1392                 return;
1393
1394         *setting = dcbx_info->operational.params.pfc.prio[priority];
1395         DP_VERBOSE(hwfn, QED_MSG_DCB, "setting = %d\n", *setting);
1396         kfree(dcbx_info);
1397 }
1398
1399 static void qed_dcbnl_setpfccfg(struct qed_dev *cdev, int priority, u8 setting)
1400 {
1401         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1402         struct qed_dcbx_set dcbx_set;
1403         struct qed_ptt *ptt;
1404         int rc;
1405
1406         DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d setting = %d\n",
1407                    priority, setting);
1408         if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) {
1409                 DP_INFO(hwfn, "Invalid priority %d\n", priority);
1410                 return;
1411         }
1412
1413         memset(&dcbx_set, 0, sizeof(dcbx_set));
1414         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1415         if (rc)
1416                 return;
1417
1418         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1419         dcbx_set.config.params.pfc.prio[priority] = !!setting;
1420
1421         ptt = qed_ptt_acquire(hwfn);
1422         if (!ptt)
1423                 return;
1424
1425         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1426
1427         qed_ptt_release(hwfn, ptt);
1428 }
1429
1430 static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap)
1431 {
1432         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1433         struct qed_dcbx_get *dcbx_info;
1434         int rc = 0;
1435
1436         DP_VERBOSE(hwfn, QED_MSG_DCB, "capid = %d\n", capid);
1437         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1438         if (!dcbx_info)
1439                 return 1;
1440
1441         switch (capid) {
1442         case DCB_CAP_ATTR_PG:
1443         case DCB_CAP_ATTR_PFC:
1444         case DCB_CAP_ATTR_UP2TC:
1445         case DCB_CAP_ATTR_GSP:
1446                 *cap = true;
1447                 break;
1448         case DCB_CAP_ATTR_PG_TCS:
1449         case DCB_CAP_ATTR_PFC_TCS:
1450                 *cap = 0x80;
1451                 break;
1452         case DCB_CAP_ATTR_DCBX:
1453                 *cap = (DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE |
1454                         DCB_CAP_DCBX_VER_IEEE);
1455                 break;
1456         default:
1457                 *cap = false;
1458                 rc = 1;
1459         }
1460
1461         DP_VERBOSE(hwfn, QED_MSG_DCB, "id = %d caps = %d\n", capid, *cap);
1462         kfree(dcbx_info);
1463
1464         return rc;
1465 }
1466
1467 static int qed_dcbnl_getnumtcs(struct qed_dev *cdev, int tcid, u8 *num)
1468 {
1469         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1470         struct qed_dcbx_get *dcbx_info;
1471         int rc = 0;
1472
1473         DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d\n", tcid);
1474         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1475         if (!dcbx_info)
1476                 return -EINVAL;
1477
1478         switch (tcid) {
1479         case DCB_NUMTCS_ATTR_PG:
1480                 *num = dcbx_info->operational.params.max_ets_tc;
1481                 break;
1482         case DCB_NUMTCS_ATTR_PFC:
1483                 *num = dcbx_info->operational.params.pfc.max_tc;
1484                 break;
1485         default:
1486                 rc = -EINVAL;
1487         }
1488
1489         kfree(dcbx_info);
1490         DP_VERBOSE(hwfn, QED_MSG_DCB, "numtcs = %d\n", *num);
1491
1492         return rc;
1493 }
1494
1495 static u8 qed_dcbnl_getpfcstate(struct qed_dev *cdev)
1496 {
1497         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1498         struct qed_dcbx_get *dcbx_info;
1499         bool enabled;
1500
1501         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1502         if (!dcbx_info)
1503                 return 0;
1504
1505         enabled = dcbx_info->operational.params.pfc.enabled;
1506         DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d\n", enabled);
1507         kfree(dcbx_info);
1508
1509         return enabled;
1510 }
1511
1512 static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev)
1513 {
1514         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1515         struct qed_dcbx_get *dcbx_info;
1516         u8 mode = 0;
1517
1518         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1519         if (!dcbx_info)
1520                 return 0;
1521
1522         if (dcbx_info->operational.enabled)
1523                 mode |= DCB_CAP_DCBX_LLD_MANAGED;
1524         if (dcbx_info->operational.ieee)
1525                 mode |= DCB_CAP_DCBX_VER_IEEE;
1526         if (dcbx_info->operational.cee)
1527                 mode |= DCB_CAP_DCBX_VER_CEE;
1528
1529         DP_VERBOSE(hwfn, QED_MSG_DCB, "dcb mode = %d\n", mode);
1530         kfree(dcbx_info);
1531
1532         return mode;
1533 }
1534
1535 static void qed_dcbnl_setpgtccfgtx(struct qed_dev *cdev,
1536                                    int tc,
1537                                    u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map)
1538 {
1539         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1540         struct qed_dcbx_set dcbx_set;
1541         struct qed_ptt *ptt;
1542         int rc;
1543
1544         DP_VERBOSE(hwfn, QED_MSG_DCB,
1545                    "tc = %d pri_type = %d pgid = %d bw_pct = %d up_map = %d\n",
1546                    tc, pri_type, pgid, bw_pct, up_map);
1547
1548         if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) {
1549                 DP_INFO(hwfn, "Invalid tc %d\n", tc);
1550                 return;
1551         }
1552
1553         memset(&dcbx_set, 0, sizeof(dcbx_set));
1554         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1555         if (rc)
1556                 return;
1557
1558         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1559         dcbx_set.config.params.ets_pri_tc_tbl[tc] = pgid;
1560
1561         ptt = qed_ptt_acquire(hwfn);
1562         if (!ptt)
1563                 return;
1564
1565         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1566
1567         qed_ptt_release(hwfn, ptt);
1568 }
1569
1570 static void qed_dcbnl_setpgtccfgrx(struct qed_dev *cdev, int prio,
1571                                    u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map)
1572 {
1573         DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1574 }
1575
1576 static void qed_dcbnl_setpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 bw_pct)
1577 {
1578         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1579         struct qed_dcbx_set dcbx_set;
1580         struct qed_ptt *ptt;
1581         int rc;
1582
1583         DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d bw_pct = %d\n", pgid, bw_pct);
1584         if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) {
1585                 DP_INFO(hwfn, "Invalid pgid %d\n", pgid);
1586                 return;
1587         }
1588
1589         memset(&dcbx_set, 0, sizeof(dcbx_set));
1590         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1591         if (rc)
1592                 return;
1593
1594         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1595         dcbx_set.config.params.ets_tc_bw_tbl[pgid] = bw_pct;
1596
1597         ptt = qed_ptt_acquire(hwfn);
1598         if (!ptt)
1599                 return;
1600
1601         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1602
1603         qed_ptt_release(hwfn, ptt);
1604 }
1605
1606 static void qed_dcbnl_setpgbwgcfgrx(struct qed_dev *cdev, int pgid, u8 bw_pct)
1607 {
1608         DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1609 }
1610
1611 static u8 qed_dcbnl_setall(struct qed_dev *cdev)
1612 {
1613         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1614         struct qed_dcbx_set dcbx_set;
1615         struct qed_ptt *ptt;
1616         int rc;
1617
1618         memset(&dcbx_set, 0, sizeof(dcbx_set));
1619         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1620         if (rc)
1621                 return 1;
1622
1623         ptt = qed_ptt_acquire(hwfn);
1624         if (!ptt)
1625                 return 1;
1626
1627         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 1);
1628
1629         qed_ptt_release(hwfn, ptt);
1630
1631         return rc;
1632 }
1633
1634 static int qed_dcbnl_setnumtcs(struct qed_dev *cdev, int tcid, u8 num)
1635 {
1636         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1637         struct qed_dcbx_set dcbx_set;
1638         struct qed_ptt *ptt;
1639         int rc;
1640
1641         DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d num = %d\n", tcid, num);
1642         memset(&dcbx_set, 0, sizeof(dcbx_set));
1643         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1644         if (rc)
1645                 return 1;
1646
1647         switch (tcid) {
1648         case DCB_NUMTCS_ATTR_PG:
1649                 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1650                 dcbx_set.config.params.max_ets_tc = num;
1651                 break;
1652         case DCB_NUMTCS_ATTR_PFC:
1653                 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1654                 dcbx_set.config.params.pfc.max_tc = num;
1655                 break;
1656         default:
1657                 DP_INFO(hwfn, "Invalid tcid %d\n", tcid);
1658                 return -EINVAL;
1659         }
1660
1661         ptt = qed_ptt_acquire(hwfn);
1662         if (!ptt)
1663                 return -EINVAL;
1664
1665         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1666
1667         qed_ptt_release(hwfn, ptt);
1668
1669         return 0;
1670 }
1671
1672 static void qed_dcbnl_setpfcstate(struct qed_dev *cdev, u8 state)
1673 {
1674         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1675         struct qed_dcbx_set dcbx_set;
1676         struct qed_ptt *ptt;
1677         int rc;
1678
1679         DP_VERBOSE(hwfn, QED_MSG_DCB, "new state = %d\n", state);
1680
1681         memset(&dcbx_set, 0, sizeof(dcbx_set));
1682         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1683         if (rc)
1684                 return;
1685
1686         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1687         dcbx_set.config.params.pfc.enabled = !!state;
1688
1689         ptt = qed_ptt_acquire(hwfn);
1690         if (!ptt)
1691                 return;
1692
1693         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1694
1695         qed_ptt_release(hwfn, ptt);
1696 }
1697
1698 static int qed_dcbnl_getapp(struct qed_dev *cdev, u8 idtype, u16 idval)
1699 {
1700         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1701         struct qed_dcbx_get *dcbx_info;
1702         struct qed_app_entry *entry;
1703         bool ethtype;
1704         u8 prio = 0;
1705         int i;
1706
1707         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1708         if (!dcbx_info)
1709                 return -EINVAL;
1710
1711         ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE);
1712         for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
1713                 entry = &dcbx_info->operational.params.app_entry[i];
1714                 if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) {
1715                         prio = entry->prio;
1716                         break;
1717                 }
1718         }
1719
1720         if (i == QED_DCBX_MAX_APP_PROTOCOL) {
1721                 DP_ERR(cdev, "App entry (%d, %d) not found\n", idtype, idval);
1722                 kfree(dcbx_info);
1723                 return -EINVAL;
1724         }
1725
1726         kfree(dcbx_info);
1727
1728         return prio;
1729 }
1730
1731 static int qed_dcbnl_setapp(struct qed_dev *cdev,
1732                             u8 idtype, u16 idval, u8 pri_map)
1733 {
1734         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1735         struct qed_dcbx_set dcbx_set;
1736         struct qed_app_entry *entry;
1737         struct qed_ptt *ptt;
1738         bool ethtype;
1739         int rc, i;
1740
1741         memset(&dcbx_set, 0, sizeof(dcbx_set));
1742         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1743         if (rc)
1744                 return -EINVAL;
1745
1746         ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE);
1747         for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
1748                 entry = &dcbx_set.config.params.app_entry[i];
1749                 if ((entry->ethtype == ethtype) && (entry->proto_id == idval))
1750                         break;
1751                 /* First empty slot */
1752                 if (!entry->proto_id) {
1753                         dcbx_set.config.params.num_app_entries++;
1754                         break;
1755                 }
1756         }
1757
1758         if (i == QED_DCBX_MAX_APP_PROTOCOL) {
1759                 DP_ERR(cdev, "App table is full\n");
1760                 return -EBUSY;
1761         }
1762
1763         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
1764         dcbx_set.config.params.app_entry[i].ethtype = ethtype;
1765         dcbx_set.config.params.app_entry[i].proto_id = idval;
1766         dcbx_set.config.params.app_entry[i].prio = pri_map;
1767
1768         ptt = qed_ptt_acquire(hwfn);
1769         if (!ptt)
1770                 return -EBUSY;
1771
1772         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1773
1774         qed_ptt_release(hwfn, ptt);
1775
1776         return rc;
1777 }
1778
1779 static u8 qed_dcbnl_setdcbx(struct qed_dev *cdev, u8 mode)
1780 {
1781         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1782         struct qed_dcbx_set dcbx_set;
1783         struct qed_ptt *ptt;
1784         int rc;
1785
1786         DP_VERBOSE(hwfn, QED_MSG_DCB, "new mode = %x\n", mode);
1787
1788         if (!(mode & DCB_CAP_DCBX_VER_IEEE) && !(mode & DCB_CAP_DCBX_VER_CEE)) {
1789                 DP_INFO(hwfn, "Allowed mode is cee, ieee or both\n");
1790                 return 1;
1791         }
1792
1793         memset(&dcbx_set, 0, sizeof(dcbx_set));
1794         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1795         if (rc)
1796                 return 1;
1797
1798         dcbx_set.ver_num = 0;
1799         if (mode & DCB_CAP_DCBX_VER_CEE) {
1800                 dcbx_set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1801                 dcbx_set.enabled = true;
1802         }
1803
1804         if (mode & DCB_CAP_DCBX_VER_IEEE) {
1805                 dcbx_set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1806                 dcbx_set.enabled = true;
1807         }
1808
1809         ptt = qed_ptt_acquire(hwfn);
1810         if (!ptt)
1811                 return 1;
1812
1813         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1814
1815         qed_ptt_release(hwfn, ptt);
1816
1817         return 0;
1818 }
1819
1820 static u8 qed_dcbnl_getfeatcfg(struct qed_dev *cdev, int featid, u8 *flags)
1821 {
1822         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1823         struct qed_dcbx_get *dcbx_info;
1824
1825         DP_VERBOSE(hwfn, QED_MSG_DCB, "Feature id  = %d\n", featid);
1826         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1827         if (!dcbx_info)
1828                 return 1;
1829
1830         *flags = 0;
1831         switch (featid) {
1832         case DCB_FEATCFG_ATTR_PG:
1833                 if (dcbx_info->operational.params.ets_enabled)
1834                         *flags = DCB_FEATCFG_ENABLE;
1835                 else
1836                         *flags = DCB_FEATCFG_ERROR;
1837                 break;
1838         case DCB_FEATCFG_ATTR_PFC:
1839                 if (dcbx_info->operational.params.pfc.enabled)
1840                         *flags = DCB_FEATCFG_ENABLE;
1841                 else
1842                         *flags = DCB_FEATCFG_ERROR;
1843                 break;
1844         case DCB_FEATCFG_ATTR_APP:
1845                 if (dcbx_info->operational.params.app_valid)
1846                         *flags = DCB_FEATCFG_ENABLE;
1847                 else
1848                         *flags = DCB_FEATCFG_ERROR;
1849                 break;
1850         default:
1851                 DP_INFO(hwfn, "Invalid feature-ID %d\n", featid);
1852                 kfree(dcbx_info);
1853                 return 1;
1854         }
1855
1856         DP_VERBOSE(hwfn, QED_MSG_DCB, "flags = %d\n", *flags);
1857         kfree(dcbx_info);
1858
1859         return 0;
1860 }
1861
1862 static u8 qed_dcbnl_setfeatcfg(struct qed_dev *cdev, int featid, u8 flags)
1863 {
1864         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1865         struct qed_dcbx_set dcbx_set;
1866         bool enabled, willing;
1867         struct qed_ptt *ptt;
1868         int rc;
1869
1870         DP_VERBOSE(hwfn, QED_MSG_DCB, "featid = %d flags = %d\n",
1871                    featid, flags);
1872         memset(&dcbx_set, 0, sizeof(dcbx_set));
1873         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1874         if (rc)
1875                 return 1;
1876
1877         enabled = !!(flags & DCB_FEATCFG_ENABLE);
1878         willing = !!(flags & DCB_FEATCFG_WILLING);
1879         switch (featid) {
1880         case DCB_FEATCFG_ATTR_PG:
1881                 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1882                 dcbx_set.config.params.ets_enabled = enabled;
1883                 dcbx_set.config.params.ets_willing = willing;
1884                 break;
1885         case DCB_FEATCFG_ATTR_PFC:
1886                 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1887                 dcbx_set.config.params.pfc.enabled = enabled;
1888                 dcbx_set.config.params.pfc.willing = willing;
1889                 break;
1890         case DCB_FEATCFG_ATTR_APP:
1891                 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
1892                 dcbx_set.config.params.app_willing = willing;
1893                 break;
1894         default:
1895                 DP_INFO(hwfn, "Invalid feature-ID %d\n", featid);
1896                 return 1;
1897         }
1898
1899         ptt = qed_ptt_acquire(hwfn);
1900         if (!ptt)
1901                 return 1;
1902
1903         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1904
1905         qed_ptt_release(hwfn, ptt);
1906
1907         return 0;
1908 }
1909
1910 static int qed_dcbnl_peer_getappinfo(struct qed_dev *cdev,
1911                                      struct dcb_peer_app_info *info,
1912                                      u16 *app_count)
1913 {
1914         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1915         struct qed_dcbx_get *dcbx_info;
1916
1917         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1918         if (!dcbx_info)
1919                 return -EINVAL;
1920
1921         info->willing = dcbx_info->remote.params.app_willing;
1922         info->error = dcbx_info->remote.params.app_error;
1923         *app_count = dcbx_info->remote.params.num_app_entries;
1924         kfree(dcbx_info);
1925
1926         return 0;
1927 }
1928
1929 static int qed_dcbnl_peer_getapptable(struct qed_dev *cdev,
1930                                       struct dcb_app *table)
1931 {
1932         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1933         struct qed_dcbx_get *dcbx_info;
1934         int i;
1935
1936         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1937         if (!dcbx_info)
1938                 return -EINVAL;
1939
1940         for (i = 0; i < dcbx_info->remote.params.num_app_entries; i++) {
1941                 if (dcbx_info->remote.params.app_entry[i].ethtype)
1942                         table[i].selector = DCB_APP_IDTYPE_ETHTYPE;
1943                 else
1944                         table[i].selector = DCB_APP_IDTYPE_PORTNUM;
1945                 table[i].priority = dcbx_info->remote.params.app_entry[i].prio;
1946                 table[i].protocol =
1947                     dcbx_info->remote.params.app_entry[i].proto_id;
1948         }
1949
1950         kfree(dcbx_info);
1951
1952         return 0;
1953 }
1954
1955 static int qed_dcbnl_cee_peer_getpfc(struct qed_dev *cdev, struct cee_pfc *pfc)
1956 {
1957         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1958         struct qed_dcbx_get *dcbx_info;
1959         int i;
1960
1961         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1962         if (!dcbx_info)
1963                 return -EINVAL;
1964
1965         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
1966                 if (dcbx_info->remote.params.pfc.prio[i])
1967                         pfc->pfc_en |= BIT(i);
1968
1969         pfc->tcs_supported = dcbx_info->remote.params.pfc.max_tc;
1970         DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d tcs_supported = %d\n",
1971                    pfc->pfc_en, pfc->tcs_supported);
1972         kfree(dcbx_info);
1973
1974         return 0;
1975 }
1976
1977 static int qed_dcbnl_cee_peer_getpg(struct qed_dev *cdev, struct cee_pg *pg)
1978 {
1979         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1980         struct qed_dcbx_get *dcbx_info;
1981         int i;
1982
1983         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1984         if (!dcbx_info)
1985                 return -EINVAL;
1986
1987         pg->willing = dcbx_info->remote.params.ets_willing;
1988         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
1989                 pg->pg_bw[i] = dcbx_info->remote.params.ets_tc_bw_tbl[i];
1990                 pg->prio_pg[i] = dcbx_info->remote.params.ets_pri_tc_tbl[i];
1991         }
1992
1993         DP_VERBOSE(hwfn, QED_MSG_DCB, "willing = %d", pg->willing);
1994         kfree(dcbx_info);
1995
1996         return 0;
1997 }
1998
1999 static int qed_dcbnl_get_ieee_pfc(struct qed_dev *cdev,
2000                                   struct ieee_pfc *pfc, bool remote)
2001 {
2002         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2003         struct qed_dcbx_params *params;
2004         struct qed_dcbx_get *dcbx_info;
2005         int rc, i;
2006
2007         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2008         if (!dcbx_info)
2009                 return -EINVAL;
2010
2011         if (!dcbx_info->operational.ieee) {
2012                 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2013                 kfree(dcbx_info);
2014                 return -EINVAL;
2015         }
2016
2017         if (remote) {
2018                 memset(dcbx_info, 0, sizeof(*dcbx_info));
2019                 rc = qed_dcbx_query_params(hwfn, dcbx_info,
2020                                            QED_DCBX_REMOTE_MIB);
2021                 if (rc) {
2022                         kfree(dcbx_info);
2023                         return -EINVAL;
2024                 }
2025
2026                 params = &dcbx_info->remote.params;
2027         } else {
2028                 params = &dcbx_info->operational.params;
2029         }
2030
2031         pfc->pfc_cap = params->pfc.max_tc;
2032         pfc->pfc_en = 0;
2033         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
2034                 if (params->pfc.prio[i])
2035                         pfc->pfc_en |= BIT(i);
2036
2037         kfree(dcbx_info);
2038
2039         return 0;
2040 }
2041
2042 static int qed_dcbnl_ieee_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
2043 {
2044         return qed_dcbnl_get_ieee_pfc(cdev, pfc, false);
2045 }
2046
2047 static int qed_dcbnl_ieee_setpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
2048 {
2049         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2050         struct qed_dcbx_get *dcbx_info;
2051         struct qed_dcbx_set dcbx_set;
2052         struct qed_ptt *ptt;
2053         int rc, i;
2054
2055         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2056         if (!dcbx_info)
2057                 return -EINVAL;
2058
2059         if (!dcbx_info->operational.ieee) {
2060                 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2061                 kfree(dcbx_info);
2062                 return -EINVAL;
2063         }
2064
2065         kfree(dcbx_info);
2066
2067         memset(&dcbx_set, 0, sizeof(dcbx_set));
2068         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
2069         if (rc)
2070                 return -EINVAL;
2071
2072         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
2073         for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
2074                 dcbx_set.config.params.pfc.prio[i] = !!(pfc->pfc_en & BIT(i));
2075
2076         ptt = qed_ptt_acquire(hwfn);
2077         if (!ptt)
2078                 return -EINVAL;
2079
2080         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
2081
2082         qed_ptt_release(hwfn, ptt);
2083
2084         return rc;
2085 }
2086
2087 static int qed_dcbnl_get_ieee_ets(struct qed_dev *cdev,
2088                                   struct ieee_ets *ets, bool remote)
2089 {
2090         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2091         struct qed_dcbx_get *dcbx_info;
2092         struct qed_dcbx_params *params;
2093         int rc;
2094
2095         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2096         if (!dcbx_info)
2097                 return -EINVAL;
2098
2099         if (!dcbx_info->operational.ieee) {
2100                 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2101                 kfree(dcbx_info);
2102                 return -EINVAL;
2103         }
2104
2105         if (remote) {
2106                 memset(dcbx_info, 0, sizeof(*dcbx_info));
2107                 rc = qed_dcbx_query_params(hwfn, dcbx_info,
2108                                            QED_DCBX_REMOTE_MIB);
2109                 if (rc) {
2110                         kfree(dcbx_info);
2111                         return -EINVAL;
2112                 }
2113
2114                 params = &dcbx_info->remote.params;
2115         } else {
2116                 params = &dcbx_info->operational.params;
2117         }
2118
2119         ets->ets_cap = params->max_ets_tc;
2120         ets->willing = params->ets_willing;
2121         ets->cbs = params->ets_cbs;
2122         memcpy(ets->tc_tx_bw, params->ets_tc_bw_tbl, sizeof(ets->tc_tx_bw));
2123         memcpy(ets->tc_tsa, params->ets_tc_tsa_tbl, sizeof(ets->tc_tsa));
2124         memcpy(ets->prio_tc, params->ets_pri_tc_tbl, sizeof(ets->prio_tc));
2125         kfree(dcbx_info);
2126
2127         return 0;
2128 }
2129
2130 static int qed_dcbnl_ieee_getets(struct qed_dev *cdev, struct ieee_ets *ets)
2131 {
2132         return qed_dcbnl_get_ieee_ets(cdev, ets, false);
2133 }
2134
2135 static int qed_dcbnl_ieee_setets(struct qed_dev *cdev, struct ieee_ets *ets)
2136 {
2137         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2138         struct qed_dcbx_get *dcbx_info;
2139         struct qed_dcbx_set dcbx_set;
2140         struct qed_ptt *ptt;
2141         int rc;
2142
2143         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2144         if (!dcbx_info)
2145                 return -EINVAL;
2146
2147         if (!dcbx_info->operational.ieee) {
2148                 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2149                 kfree(dcbx_info);
2150                 return -EINVAL;
2151         }
2152
2153         kfree(dcbx_info);
2154
2155         memset(&dcbx_set, 0, sizeof(dcbx_set));
2156         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
2157         if (rc)
2158                 return -EINVAL;
2159
2160         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
2161         dcbx_set.config.params.max_ets_tc = ets->ets_cap;
2162         dcbx_set.config.params.ets_willing = ets->willing;
2163         dcbx_set.config.params.ets_cbs = ets->cbs;
2164         memcpy(dcbx_set.config.params.ets_tc_bw_tbl, ets->tc_tx_bw,
2165                sizeof(ets->tc_tx_bw));
2166         memcpy(dcbx_set.config.params.ets_tc_tsa_tbl, ets->tc_tsa,
2167                sizeof(ets->tc_tsa));
2168         memcpy(dcbx_set.config.params.ets_pri_tc_tbl, ets->prio_tc,
2169                sizeof(ets->prio_tc));
2170
2171         ptt = qed_ptt_acquire(hwfn);
2172         if (!ptt)
2173                 return -EINVAL;
2174
2175         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
2176
2177         qed_ptt_release(hwfn, ptt);
2178
2179         return rc;
2180 }
2181
2182 static int
2183 qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets)
2184 {
2185         return qed_dcbnl_get_ieee_ets(cdev, ets, true);
2186 }
2187
2188 static int
2189 qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
2190 {
2191         return qed_dcbnl_get_ieee_pfc(cdev, pfc, true);
2192 }
2193
2194 static int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app)
2195 {
2196         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2197         struct qed_dcbx_get *dcbx_info;
2198         struct qed_app_entry *entry;
2199         bool ethtype;
2200         u8 prio = 0;
2201         int i;
2202
2203         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2204         if (!dcbx_info)
2205                 return -EINVAL;
2206
2207         if (!dcbx_info->operational.ieee) {
2208                 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2209                 kfree(dcbx_info);
2210                 return -EINVAL;
2211         }
2212
2213         /* ieee defines the selector field value for ethertype to be 1 */
2214         ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
2215         for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
2216                 entry = &dcbx_info->operational.params.app_entry[i];
2217                 if ((entry->ethtype == ethtype) &&
2218                     (entry->proto_id == app->protocol)) {
2219                         prio = entry->prio;
2220                         break;
2221                 }
2222         }
2223
2224         if (i == QED_DCBX_MAX_APP_PROTOCOL) {
2225                 DP_ERR(cdev, "App entry (%d, %d) not found\n", app->selector,
2226                        app->protocol);
2227                 kfree(dcbx_info);
2228                 return -EINVAL;
2229         }
2230
2231         app->priority = ffs(prio) - 1;
2232
2233         kfree(dcbx_info);
2234
2235         return 0;
2236 }
2237
2238 static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
2239 {
2240         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2241         struct qed_dcbx_get *dcbx_info;
2242         struct qed_dcbx_set dcbx_set;
2243         struct qed_app_entry *entry;
2244         struct qed_ptt *ptt;
2245         bool ethtype;
2246         int rc, i;
2247
2248         if (app->priority < 0 || app->priority >= QED_MAX_PFC_PRIORITIES) {
2249                 DP_INFO(hwfn, "Invalid priority %d\n", app->priority);
2250                 return -EINVAL;
2251         }
2252
2253         dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2254         if (!dcbx_info)
2255                 return -EINVAL;
2256
2257         if (!dcbx_info->operational.ieee) {
2258                 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2259                 kfree(dcbx_info);
2260                 return -EINVAL;
2261         }
2262
2263         kfree(dcbx_info);
2264
2265         memset(&dcbx_set, 0, sizeof(dcbx_set));
2266         rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
2267         if (rc)
2268                 return -EINVAL;
2269
2270         /* ieee defines the selector field value for ethertype to be 1 */
2271         ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
2272         for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
2273                 entry = &dcbx_set.config.params.app_entry[i];
2274                 if ((entry->ethtype == ethtype) &&
2275                     (entry->proto_id == app->protocol))
2276                         break;
2277                 /* First empty slot */
2278                 if (!entry->proto_id) {
2279                         dcbx_set.config.params.num_app_entries++;
2280                         break;
2281                 }
2282         }
2283
2284         if (i == QED_DCBX_MAX_APP_PROTOCOL) {
2285                 DP_ERR(cdev, "App table is full\n");
2286                 return -EBUSY;
2287         }
2288
2289         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
2290         dcbx_set.config.params.app_entry[i].ethtype = ethtype;
2291         dcbx_set.config.params.app_entry[i].proto_id = app->protocol;
2292         dcbx_set.config.params.app_entry[i].prio = BIT(app->priority);
2293
2294         ptt = qed_ptt_acquire(hwfn);
2295         if (!ptt)
2296                 return -EBUSY;
2297
2298         rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
2299
2300         qed_ptt_release(hwfn, ptt);
2301
2302         return rc;
2303 }
2304
2305 const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass = {
2306         .getstate = qed_dcbnl_getstate,
2307         .setstate = qed_dcbnl_setstate,
2308         .getpgtccfgtx = qed_dcbnl_getpgtccfgtx,
2309         .getpgbwgcfgtx = qed_dcbnl_getpgbwgcfgtx,
2310         .getpgtccfgrx = qed_dcbnl_getpgtccfgrx,
2311         .getpgbwgcfgrx = qed_dcbnl_getpgbwgcfgrx,
2312         .getpfccfg = qed_dcbnl_getpfccfg,
2313         .setpfccfg = qed_dcbnl_setpfccfg,
2314         .getcap = qed_dcbnl_getcap,
2315         .getnumtcs = qed_dcbnl_getnumtcs,
2316         .getpfcstate = qed_dcbnl_getpfcstate,
2317         .getdcbx = qed_dcbnl_getdcbx,
2318         .setpgtccfgtx = qed_dcbnl_setpgtccfgtx,
2319         .setpgtccfgrx = qed_dcbnl_setpgtccfgrx,
2320         .setpgbwgcfgtx = qed_dcbnl_setpgbwgcfgtx,
2321         .setpgbwgcfgrx = qed_dcbnl_setpgbwgcfgrx,
2322         .setall = qed_dcbnl_setall,
2323         .setnumtcs = qed_dcbnl_setnumtcs,
2324         .setpfcstate = qed_dcbnl_setpfcstate,
2325         .setapp = qed_dcbnl_setapp,
2326         .setdcbx = qed_dcbnl_setdcbx,
2327         .setfeatcfg = qed_dcbnl_setfeatcfg,
2328         .getfeatcfg = qed_dcbnl_getfeatcfg,
2329         .getapp = qed_dcbnl_getapp,
2330         .peer_getappinfo = qed_dcbnl_peer_getappinfo,
2331         .peer_getapptable = qed_dcbnl_peer_getapptable,
2332         .cee_peer_getpfc = qed_dcbnl_cee_peer_getpfc,
2333         .cee_peer_getpg = qed_dcbnl_cee_peer_getpg,
2334         .ieee_getpfc = qed_dcbnl_ieee_getpfc,
2335         .ieee_setpfc = qed_dcbnl_ieee_setpfc,
2336         .ieee_getets = qed_dcbnl_ieee_getets,
2337         .ieee_setets = qed_dcbnl_ieee_setets,
2338         .ieee_peer_getpfc = qed_dcbnl_ieee_peer_getpfc,
2339         .ieee_peer_getets = qed_dcbnl_ieee_peer_getets,
2340         .ieee_getapp = qed_dcbnl_ieee_getapp,
2341         .ieee_setapp = qed_dcbnl_ieee_setapp,
2342 };
2343
2344 #endif