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