Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/ice/ice_dcb.c
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1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright (c) 2021, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Intel Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /*$FreeBSD$*/ 32 33 #include "ice_common.h" 34 #include "ice_sched.h" 35 #include "ice_dcb.h" 36 37 /** 38 * ice_aq_get_lldp_mib 39 * @hw: pointer to the HW struct 40 * @bridge_type: type of bridge requested 41 * @mib_type: Local, Remote or both Local and Remote MIBs 42 * @buf: pointer to the caller-supplied buffer to store the MIB block 43 * @buf_size: size of the buffer (in bytes) 44 * @local_len: length of the returned Local LLDP MIB 45 * @remote_len: length of the returned Remote LLDP MIB 46 * @cd: pointer to command details structure or NULL 47 * 48 * Requests the complete LLDP MIB (entire packet). (0x0A00) 49 */ 50 enum ice_status 51 ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf, 52 u16 buf_size, u16 *local_len, u16 *remote_len, 53 struct ice_sq_cd *cd) 54 { 55 struct ice_aqc_lldp_get_mib *cmd; 56 struct ice_aq_desc desc; 57 enum ice_status status; 58 59 cmd = &desc.params.lldp_get_mib; 60 61 if (buf_size == 0 || !buf) 62 return ICE_ERR_PARAM; 63 64 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_get_mib); 65 66 cmd->type = mib_type & ICE_AQ_LLDP_MIB_TYPE_M; 67 cmd->type |= (bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) & 68 ICE_AQ_LLDP_BRID_TYPE_M; 69 70 desc.datalen = CPU_TO_LE16(buf_size); 71 72 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 73 if (!status) { 74 if (local_len) 75 *local_len = LE16_TO_CPU(cmd->local_len); 76 if (remote_len) 77 *remote_len = LE16_TO_CPU(cmd->remote_len); 78 } 79 80 return status; 81 } 82 83 /** 84 * ice_aq_cfg_lldp_mib_change 85 * @hw: pointer to the HW struct 86 * @ena_update: Enable or Disable event posting 87 * @cd: pointer to command details structure or NULL 88 * 89 * Enable or Disable posting of an event on ARQ when LLDP MIB 90 * associated with the interface changes (0x0A01) 91 */ 92 enum ice_status 93 ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update, 94 struct ice_sq_cd *cd) 95 { 96 struct ice_aqc_lldp_set_mib_change *cmd; 97 struct ice_aq_desc desc; 98 99 cmd = &desc.params.lldp_set_event; 100 101 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_mib_change); 102 103 if (!ena_update) 104 cmd->command |= ICE_AQ_LLDP_MIB_UPDATE_DIS; 105 106 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 107 } 108 109 /** 110 * ice_aq_add_delete_lldp_tlv 111 * @hw: pointer to the HW struct 112 * @bridge_type: type of bridge 113 * @add_lldp_tlv: add (true) or delete (false) TLV 114 * @buf: buffer with TLV to add or delete 115 * @buf_size: length of the buffer 116 * @tlv_len: length of the TLV to be added/deleted 117 * @mib_len: length of the LLDP MIB returned in response 118 * @cd: pointer to command details structure or NULL 119 * 120 * (Add tlv) 121 * Add the specified TLV to LLDP Local MIB for the given bridge type, 122 * it is responsibility of the caller to make sure that the TLV is not 123 * already present in the LLDPDU. 124 * In return firmware will write the complete LLDP MIB with the newly 125 * added TLV in the response buffer. (0x0A02) 126 * 127 * (Delete tlv) 128 * Delete the specified TLV from LLDP Local MIB for the given bridge type. 129 * The firmware places the entire LLDP MIB in the response buffer. (0x0A04) 130 */ 131 enum ice_status 132 ice_aq_add_delete_lldp_tlv(struct ice_hw *hw, u8 bridge_type, bool add_lldp_tlv, 133 void *buf, u16 buf_size, u16 tlv_len, u16 *mib_len, 134 struct ice_sq_cd *cd) 135 { 136 struct ice_aqc_lldp_add_delete_tlv *cmd; 137 struct ice_aq_desc desc; 138 enum ice_status status; 139 140 if (tlv_len == 0) 141 return ICE_ERR_PARAM; 142 143 cmd = &desc.params.lldp_add_delete_tlv; 144 145 if (add_lldp_tlv) 146 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_add_tlv); 147 else 148 ice_fill_dflt_direct_cmd_desc(&desc, 149 ice_aqc_opc_lldp_delete_tlv); 150 151 desc.flags |= CPU_TO_LE16((u16)(ICE_AQ_FLAG_RD)); 152 153 cmd->type = ((bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) & 154 ICE_AQ_LLDP_BRID_TYPE_M); 155 cmd->len = CPU_TO_LE16(tlv_len); 156 157 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 158 if (!status && mib_len) 159 *mib_len = LE16_TO_CPU(desc.datalen); 160 161 return status; 162 } 163 164 /** 165 * ice_aq_update_lldp_tlv 166 * @hw: pointer to the HW struct 167 * @bridge_type: type of bridge 168 * @buf: buffer with TLV to update 169 * @buf_size: size of the buffer holding original and updated TLVs 170 * @old_len: Length of the Original TLV 171 * @new_len: Length of the Updated TLV 172 * @offset: offset of the updated TLV in the buff 173 * @mib_len: length of the returned LLDP MIB 174 * @cd: pointer to command details structure or NULL 175 * 176 * Update the specified TLV to the LLDP Local MIB for the given bridge type. 177 * Firmware will place the complete LLDP MIB in response buffer with the 178 * updated TLV. (0x0A03) 179 */ 180 enum ice_status 181 ice_aq_update_lldp_tlv(struct ice_hw *hw, u8 bridge_type, void *buf, 182 u16 buf_size, u16 old_len, u16 new_len, u16 offset, 183 u16 *mib_len, struct ice_sq_cd *cd) 184 { 185 struct ice_aqc_lldp_update_tlv *cmd; 186 struct ice_aq_desc desc; 187 enum ice_status status; 188 189 cmd = &desc.params.lldp_update_tlv; 190 191 if (offset == 0 || old_len == 0 || new_len == 0) 192 return ICE_ERR_PARAM; 193 194 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_update_tlv); 195 196 desc.flags |= CPU_TO_LE16((u16)(ICE_AQ_FLAG_RD)); 197 198 cmd->type = ((bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) & 199 ICE_AQ_LLDP_BRID_TYPE_M); 200 cmd->old_len = CPU_TO_LE16(old_len); 201 cmd->new_offset = CPU_TO_LE16(offset); 202 cmd->new_len = CPU_TO_LE16(new_len); 203 204 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 205 if (!status && mib_len) 206 *mib_len = LE16_TO_CPU(desc.datalen); 207 208 return status; 209 } 210 211 /** 212 * ice_aq_stop_lldp 213 * @hw: pointer to the HW struct 214 * @shutdown_lldp_agent: True if LLDP Agent needs to be Shutdown 215 * False if LLDP Agent needs to be Stopped 216 * @persist: True if Stop/Shutdown of LLDP Agent needs to be persistent across 217 * reboots 218 * @cd: pointer to command details structure or NULL 219 * 220 * Stop or Shutdown the embedded LLDP Agent (0x0A05) 221 */ 222 enum ice_status 223 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist, 224 struct ice_sq_cd *cd) 225 { 226 struct ice_aqc_lldp_stop *cmd; 227 struct ice_aq_desc desc; 228 229 cmd = &desc.params.lldp_stop; 230 231 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_stop); 232 233 if (shutdown_lldp_agent) 234 cmd->command |= ICE_AQ_LLDP_AGENT_SHUTDOWN; 235 236 if (persist) 237 cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_DIS; 238 239 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 240 } 241 242 /** 243 * ice_aq_start_lldp 244 * @hw: pointer to the HW struct 245 * @persist: True if Start of LLDP Agent needs to be persistent across reboots 246 * @cd: pointer to command details structure or NULL 247 * 248 * Start the embedded LLDP Agent on all ports. (0x0A06) 249 */ 250 enum ice_status 251 ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd) 252 { 253 struct ice_aqc_lldp_start *cmd; 254 struct ice_aq_desc desc; 255 256 cmd = &desc.params.lldp_start; 257 258 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_start); 259 260 cmd->command = ICE_AQ_LLDP_AGENT_START; 261 262 if (persist) 263 cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_ENA; 264 265 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 266 } 267 268 /** 269 * ice_get_dcbx_status 270 * @hw: pointer to the HW struct 271 * 272 * Get the DCBX status from the Firmware 273 */ 274 u8 ice_get_dcbx_status(struct ice_hw *hw) 275 { 276 u32 reg; 277 278 reg = rd32(hw, PRTDCB_GENS); 279 return (u8)((reg & PRTDCB_GENS_DCBX_STATUS_M) >> 280 PRTDCB_GENS_DCBX_STATUS_S); 281 } 282 283 /** 284 * ice_parse_ieee_ets_common_tlv 285 * @buf: Data buffer to be parsed for ETS CFG/REC data 286 * @ets_cfg: Container to store parsed data 287 * 288 * Parses the common data of IEEE 802.1Qaz ETS CFG/REC TLV 289 */ 290 static void 291 ice_parse_ieee_ets_common_tlv(u8 *buf, struct ice_dcb_ets_cfg *ets_cfg) 292 { 293 u8 offset = 0; 294 int i; 295 296 /* Priority Assignment Table (4 octets) 297 * Octets:| 1 | 2 | 3 | 4 | 298 * ----------------------------------------- 299 * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| 300 * ----------------------------------------- 301 * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| 302 * ----------------------------------------- 303 */ 304 for (i = 0; i < 4; i++) { 305 ets_cfg->prio_table[i * 2] = 306 ((buf[offset] & ICE_IEEE_ETS_PRIO_1_M) >> 307 ICE_IEEE_ETS_PRIO_1_S); 308 ets_cfg->prio_table[i * 2 + 1] = 309 ((buf[offset] & ICE_IEEE_ETS_PRIO_0_M) >> 310 ICE_IEEE_ETS_PRIO_0_S); 311 offset++; 312 } 313 314 /* TC Bandwidth Table (8 octets) 315 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 316 * --------------------------------- 317 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| 318 * --------------------------------- 319 * 320 * TSA Assignment Table (8 octets) 321 * Octets:| 9 | 10| 11| 12| 13| 14| 15| 16| 322 * --------------------------------- 323 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| 324 * --------------------------------- 325 */ 326 ice_for_each_traffic_class(i) { 327 ets_cfg->tcbwtable[i] = buf[offset]; 328 ets_cfg->tsatable[i] = buf[ICE_MAX_TRAFFIC_CLASS + offset++]; 329 } 330 } 331 332 /** 333 * ice_parse_ieee_etscfg_tlv 334 * @tlv: IEEE 802.1Qaz ETS CFG TLV 335 * @dcbcfg: Local store to update ETS CFG data 336 * 337 * Parses IEEE 802.1Qaz ETS CFG TLV 338 */ 339 static void 340 ice_parse_ieee_etscfg_tlv(struct ice_lldp_org_tlv *tlv, 341 struct ice_dcbx_cfg *dcbcfg) 342 { 343 struct ice_dcb_ets_cfg *etscfg; 344 u8 *buf = tlv->tlvinfo; 345 346 /* First Octet post subtype 347 * -------------------------- 348 * |will-|CBS | Re- | Max | 349 * |ing | |served| TCs | 350 * -------------------------- 351 * |1bit | 1bit|3 bits|3bits| 352 */ 353 etscfg = &dcbcfg->etscfg; 354 etscfg->willing = ((buf[0] & ICE_IEEE_ETS_WILLING_M) >> 355 ICE_IEEE_ETS_WILLING_S); 356 etscfg->cbs = ((buf[0] & ICE_IEEE_ETS_CBS_M) >> ICE_IEEE_ETS_CBS_S); 357 etscfg->maxtcs = ((buf[0] & ICE_IEEE_ETS_MAXTC_M) >> 358 ICE_IEEE_ETS_MAXTC_S); 359 360 /* Begin parsing at Priority Assignment Table (offset 1 in buf) */ 361 ice_parse_ieee_ets_common_tlv(&buf[1], etscfg); 362 } 363 364 /** 365 * ice_parse_ieee_etsrec_tlv 366 * @tlv: IEEE 802.1Qaz ETS REC TLV 367 * @dcbcfg: Local store to update ETS REC data 368 * 369 * Parses IEEE 802.1Qaz ETS REC TLV 370 */ 371 static void 372 ice_parse_ieee_etsrec_tlv(struct ice_lldp_org_tlv *tlv, 373 struct ice_dcbx_cfg *dcbcfg) 374 { 375 u8 *buf = tlv->tlvinfo; 376 377 /* Begin parsing at Priority Assignment Table (offset 1 in buf) */ 378 ice_parse_ieee_ets_common_tlv(&buf[1], &dcbcfg->etsrec); 379 } 380 381 /** 382 * ice_parse_ieee_pfccfg_tlv 383 * @tlv: IEEE 802.1Qaz PFC CFG TLV 384 * @dcbcfg: Local store to update PFC CFG data 385 * 386 * Parses IEEE 802.1Qaz PFC CFG TLV 387 */ 388 static void 389 ice_parse_ieee_pfccfg_tlv(struct ice_lldp_org_tlv *tlv, 390 struct ice_dcbx_cfg *dcbcfg) 391 { 392 u8 *buf = tlv->tlvinfo; 393 394 /* ---------------------------------------- 395 * |will-|MBC | Re- | PFC | PFC Enable | 396 * |ing | |served| cap | | 397 * ----------------------------------------- 398 * |1bit | 1bit|2 bits|4bits| 1 octet | 399 */ 400 dcbcfg->pfc.willing = ((buf[0] & ICE_IEEE_PFC_WILLING_M) >> 401 ICE_IEEE_PFC_WILLING_S); 402 dcbcfg->pfc.mbc = ((buf[0] & ICE_IEEE_PFC_MBC_M) >> ICE_IEEE_PFC_MBC_S); 403 dcbcfg->pfc.pfccap = ((buf[0] & ICE_IEEE_PFC_CAP_M) >> 404 ICE_IEEE_PFC_CAP_S); 405 dcbcfg->pfc.pfcena = buf[1]; 406 } 407 408 /** 409 * ice_parse_ieee_app_tlv 410 * @tlv: IEEE 802.1Qaz APP TLV 411 * @dcbcfg: Local store to update APP PRIO data 412 * 413 * Parses IEEE 802.1Qaz APP PRIO TLV 414 */ 415 static void 416 ice_parse_ieee_app_tlv(struct ice_lldp_org_tlv *tlv, 417 struct ice_dcbx_cfg *dcbcfg) 418 { 419 u16 offset = 0; 420 u16 typelen; 421 int i = 0; 422 u16 len; 423 u8 *buf; 424 425 typelen = NTOHS(tlv->typelen); 426 len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S); 427 buf = tlv->tlvinfo; 428 429 /* Removing sizeof(ouisubtype) and reserved byte from len. 430 * Remaining len div 3 is number of APP TLVs. 431 */ 432 len -= (sizeof(tlv->ouisubtype) + 1); 433 434 /* Move offset to App Priority Table */ 435 offset++; 436 437 /* Application Priority Table (3 octets) 438 * Octets:| 1 | 2 | 3 | 439 * ----------------------------------------- 440 * |Priority|Rsrvd| Sel | Protocol ID | 441 * ----------------------------------------- 442 * Bits:|23 21|20 19|18 16|15 0| 443 * ----------------------------------------- 444 */ 445 while (offset < len) { 446 dcbcfg->app[i].priority = ((buf[offset] & 447 ICE_IEEE_APP_PRIO_M) >> 448 ICE_IEEE_APP_PRIO_S); 449 dcbcfg->app[i].selector = ((buf[offset] & 450 ICE_IEEE_APP_SEL_M) >> 451 ICE_IEEE_APP_SEL_S); 452 dcbcfg->app[i].prot_id = (buf[offset + 1] << 0x8) | 453 buf[offset + 2]; 454 /* Move to next app */ 455 offset += 3; 456 i++; 457 if (i >= ICE_DCBX_MAX_APPS) 458 break; 459 } 460 461 dcbcfg->numapps = i; 462 } 463 464 /** 465 * ice_parse_ieee_tlv 466 * @tlv: IEEE 802.1Qaz TLV 467 * @dcbcfg: Local store to update ETS REC data 468 * 469 * Get the TLV subtype and send it to parsing function 470 * based on the subtype value 471 */ 472 static void 473 ice_parse_ieee_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 474 { 475 u32 ouisubtype; 476 u8 subtype; 477 478 ouisubtype = NTOHL(tlv->ouisubtype); 479 subtype = (u8)((ouisubtype & ICE_LLDP_TLV_SUBTYPE_M) >> 480 ICE_LLDP_TLV_SUBTYPE_S); 481 switch (subtype) { 482 case ICE_IEEE_SUBTYPE_ETS_CFG: 483 ice_parse_ieee_etscfg_tlv(tlv, dcbcfg); 484 break; 485 case ICE_IEEE_SUBTYPE_ETS_REC: 486 ice_parse_ieee_etsrec_tlv(tlv, dcbcfg); 487 break; 488 case ICE_IEEE_SUBTYPE_PFC_CFG: 489 ice_parse_ieee_pfccfg_tlv(tlv, dcbcfg); 490 break; 491 case ICE_IEEE_SUBTYPE_APP_PRI: 492 ice_parse_ieee_app_tlv(tlv, dcbcfg); 493 break; 494 default: 495 break; 496 } 497 } 498 499 /** 500 * ice_parse_cee_pgcfg_tlv 501 * @tlv: CEE DCBX PG CFG TLV 502 * @dcbcfg: Local store to update ETS CFG data 503 * 504 * Parses CEE DCBX PG CFG TLV 505 */ 506 static void 507 ice_parse_cee_pgcfg_tlv(struct ice_cee_feat_tlv *tlv, 508 struct ice_dcbx_cfg *dcbcfg) 509 { 510 struct ice_dcb_ets_cfg *etscfg; 511 u8 *buf = tlv->tlvinfo; 512 u16 offset = 0; 513 int i; 514 515 etscfg = &dcbcfg->etscfg; 516 517 if (tlv->en_will_err & ICE_CEE_FEAT_TLV_WILLING_M) 518 etscfg->willing = 1; 519 520 etscfg->cbs = 0; 521 /* Priority Group Table (4 octets) 522 * Octets:| 1 | 2 | 3 | 4 | 523 * ----------------------------------------- 524 * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| 525 * ----------------------------------------- 526 * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| 527 * ----------------------------------------- 528 */ 529 for (i = 0; i < 4; i++) { 530 etscfg->prio_table[i * 2] = 531 ((buf[offset] & ICE_CEE_PGID_PRIO_1_M) >> 532 ICE_CEE_PGID_PRIO_1_S); 533 etscfg->prio_table[i * 2 + 1] = 534 ((buf[offset] & ICE_CEE_PGID_PRIO_0_M) >> 535 ICE_CEE_PGID_PRIO_0_S); 536 offset++; 537 } 538 539 /* PG Percentage Table (8 octets) 540 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 541 * --------------------------------- 542 * |pg0|pg1|pg2|pg3|pg4|pg5|pg6|pg7| 543 * --------------------------------- 544 */ 545 ice_for_each_traffic_class(i) { 546 etscfg->tcbwtable[i] = buf[offset++]; 547 548 if (etscfg->prio_table[i] == ICE_CEE_PGID_STRICT) 549 dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_STRICT; 550 else 551 dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_ETS; 552 } 553 554 /* Number of TCs supported (1 octet) */ 555 etscfg->maxtcs = buf[offset]; 556 } 557 558 /** 559 * ice_parse_cee_pfccfg_tlv 560 * @tlv: CEE DCBX PFC CFG TLV 561 * @dcbcfg: Local store to update PFC CFG data 562 * 563 * Parses CEE DCBX PFC CFG TLV 564 */ 565 static void 566 ice_parse_cee_pfccfg_tlv(struct ice_cee_feat_tlv *tlv, 567 struct ice_dcbx_cfg *dcbcfg) 568 { 569 u8 *buf = tlv->tlvinfo; 570 571 if (tlv->en_will_err & ICE_CEE_FEAT_TLV_WILLING_M) 572 dcbcfg->pfc.willing = 1; 573 574 /* ------------------------ 575 * | PFC Enable | PFC TCs | 576 * ------------------------ 577 * | 1 octet | 1 octet | 578 */ 579 dcbcfg->pfc.pfcena = buf[0]; 580 dcbcfg->pfc.pfccap = buf[1]; 581 } 582 583 /** 584 * ice_parse_cee_app_tlv 585 * @tlv: CEE DCBX APP TLV 586 * @dcbcfg: Local store to update APP PRIO data 587 * 588 * Parses CEE DCBX APP PRIO TLV 589 */ 590 static void 591 ice_parse_cee_app_tlv(struct ice_cee_feat_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 592 { 593 u16 len, typelen, offset = 0; 594 struct ice_cee_app_prio *app; 595 u8 i; 596 597 typelen = NTOHS(tlv->hdr.typelen); 598 len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S); 599 600 dcbcfg->numapps = len / sizeof(*app); 601 if (!dcbcfg->numapps) 602 return; 603 if (dcbcfg->numapps > ICE_DCBX_MAX_APPS) 604 dcbcfg->numapps = ICE_DCBX_MAX_APPS; 605 606 for (i = 0; i < dcbcfg->numapps; i++) { 607 u8 up, selector; 608 609 app = (struct ice_cee_app_prio *)(tlv->tlvinfo + offset); 610 for (up = 0; up < ICE_MAX_USER_PRIORITY; up++) 611 if (app->prio_map & BIT(up)) 612 break; 613 614 dcbcfg->app[i].priority = up; 615 616 /* Get Selector from lower 2 bits, and convert to IEEE */ 617 selector = (app->upper_oui_sel & ICE_CEE_APP_SELECTOR_M); 618 switch (selector) { 619 case ICE_CEE_APP_SEL_ETHTYPE: 620 dcbcfg->app[i].selector = ICE_APP_SEL_ETHTYPE; 621 break; 622 case ICE_CEE_APP_SEL_TCPIP: 623 dcbcfg->app[i].selector = ICE_APP_SEL_TCPIP; 624 break; 625 default: 626 /* Keep selector as it is for unknown types */ 627 dcbcfg->app[i].selector = selector; 628 } 629 630 dcbcfg->app[i].prot_id = NTOHS(app->protocol); 631 /* Move to next app */ 632 offset += sizeof(*app); 633 } 634 } 635 636 /** 637 * ice_parse_cee_tlv 638 * @tlv: CEE DCBX TLV 639 * @dcbcfg: Local store to update DCBX config data 640 * 641 * Get the TLV subtype and send it to parsing function 642 * based on the subtype value 643 */ 644 static void 645 ice_parse_cee_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 646 { 647 struct ice_cee_feat_tlv *sub_tlv; 648 u8 subtype, feat_tlv_count = 0; 649 u16 len, tlvlen, typelen; 650 u32 ouisubtype; 651 652 ouisubtype = NTOHL(tlv->ouisubtype); 653 subtype = (u8)((ouisubtype & ICE_LLDP_TLV_SUBTYPE_M) >> 654 ICE_LLDP_TLV_SUBTYPE_S); 655 /* Return if not CEE DCBX */ 656 if (subtype != ICE_CEE_DCBX_TYPE) 657 return; 658 659 typelen = NTOHS(tlv->typelen); 660 tlvlen = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S); 661 len = sizeof(tlv->typelen) + sizeof(ouisubtype) + 662 sizeof(struct ice_cee_ctrl_tlv); 663 /* Return if no CEE DCBX Feature TLVs */ 664 if (tlvlen <= len) 665 return; 666 667 sub_tlv = (struct ice_cee_feat_tlv *)((char *)tlv + len); 668 while (feat_tlv_count < ICE_CEE_MAX_FEAT_TYPE) { 669 u16 sublen; 670 671 typelen = NTOHS(sub_tlv->hdr.typelen); 672 sublen = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S); 673 subtype = (u8)((typelen & ICE_LLDP_TLV_TYPE_M) >> 674 ICE_LLDP_TLV_TYPE_S); 675 switch (subtype) { 676 case ICE_CEE_SUBTYPE_PG_CFG: 677 ice_parse_cee_pgcfg_tlv(sub_tlv, dcbcfg); 678 break; 679 case ICE_CEE_SUBTYPE_PFC_CFG: 680 ice_parse_cee_pfccfg_tlv(sub_tlv, dcbcfg); 681 break; 682 case ICE_CEE_SUBTYPE_APP_PRI: 683 ice_parse_cee_app_tlv(sub_tlv, dcbcfg); 684 break; 685 default: 686 return; /* Invalid Sub-type return */ 687 } 688 feat_tlv_count++; 689 /* Move to next sub TLV */ 690 sub_tlv = (struct ice_cee_feat_tlv *) 691 ((char *)sub_tlv + sizeof(sub_tlv->hdr.typelen) + 692 sublen); 693 } 694 } 695 696 /** 697 * ice_parse_org_tlv 698 * @tlv: Organization specific TLV 699 * @dcbcfg: Local store to update ETS REC data 700 * 701 * Currently only IEEE 802.1Qaz TLV is supported, all others 702 * will be returned 703 */ 704 static void 705 ice_parse_org_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 706 { 707 u32 ouisubtype; 708 u32 oui; 709 710 ouisubtype = NTOHL(tlv->ouisubtype); 711 oui = ((ouisubtype & ICE_LLDP_TLV_OUI_M) >> ICE_LLDP_TLV_OUI_S); 712 switch (oui) { 713 case ICE_IEEE_8021QAZ_OUI: 714 ice_parse_ieee_tlv(tlv, dcbcfg); 715 break; 716 case ICE_CEE_DCBX_OUI: 717 ice_parse_cee_tlv(tlv, dcbcfg); 718 break; 719 default: 720 break; 721 } 722 } 723 724 /** 725 * ice_lldp_to_dcb_cfg 726 * @lldpmib: LLDPDU to be parsed 727 * @dcbcfg: store for LLDPDU data 728 * 729 * Parse DCB configuration from the LLDPDU 730 */ 731 enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg) 732 { 733 struct ice_lldp_org_tlv *tlv; 734 enum ice_status ret = ICE_SUCCESS; 735 u16 offset = 0; 736 u16 typelen; 737 u16 type; 738 u16 len; 739 740 if (!lldpmib || !dcbcfg) 741 return ICE_ERR_PARAM; 742 743 /* set to the start of LLDPDU */ 744 lldpmib += ETH_HEADER_LEN; 745 tlv = (struct ice_lldp_org_tlv *)lldpmib; 746 while (1) { 747 typelen = NTOHS(tlv->typelen); 748 type = ((typelen & ICE_LLDP_TLV_TYPE_M) >> ICE_LLDP_TLV_TYPE_S); 749 len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S); 750 offset += sizeof(typelen) + len; 751 752 /* END TLV or beyond LLDPDU size */ 753 if (type == ICE_TLV_TYPE_END || offset > ICE_LLDPDU_SIZE) 754 break; 755 756 switch (type) { 757 case ICE_TLV_TYPE_ORG: 758 ice_parse_org_tlv(tlv, dcbcfg); 759 break; 760 default: 761 break; 762 } 763 764 /* Move to next TLV */ 765 tlv = (struct ice_lldp_org_tlv *) 766 ((char *)tlv + sizeof(tlv->typelen) + len); 767 } 768 769 return ret; 770 } 771 772 /** 773 * ice_aq_get_dcb_cfg 774 * @hw: pointer to the HW struct 775 * @mib_type: MIB type for the query 776 * @bridgetype: bridge type for the query (remote) 777 * @dcbcfg: store for LLDPDU data 778 * 779 * Query DCB configuration from the firmware 780 */ 781 enum ice_status 782 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype, 783 struct ice_dcbx_cfg *dcbcfg) 784 { 785 enum ice_status ret; 786 u8 *lldpmib; 787 788 /* Allocate the LLDPDU */ 789 lldpmib = (u8 *)ice_malloc(hw, ICE_LLDPDU_SIZE); 790 if (!lldpmib) 791 return ICE_ERR_NO_MEMORY; 792 793 ret = ice_aq_get_lldp_mib(hw, bridgetype, mib_type, (void *)lldpmib, 794 ICE_LLDPDU_SIZE, NULL, NULL, NULL); 795 796 if (ret == ICE_SUCCESS) 797 /* Parse LLDP MIB to get DCB configuration */ 798 ret = ice_lldp_to_dcb_cfg(lldpmib, dcbcfg); 799 800 ice_free(hw, lldpmib); 801 802 return ret; 803 } 804 805 /** 806 * ice_aq_dcb_ignore_pfc - Ignore PFC for given TCs 807 * @hw: pointer to the HW struct 808 * @tcmap: TC map for request/release any ignore PFC condition 809 * @request: request (true) or release (false) ignore PFC condition 810 * @tcmap_ret: return TCs for which PFC is currently ignored 811 * @cd: pointer to command details structure or NULL 812 * 813 * This sends out request/release to ignore PFC condition for a TC. 814 * It will return the TCs for which PFC is currently ignored. (0x0301) 815 */ 816 enum ice_status 817 ice_aq_dcb_ignore_pfc(struct ice_hw *hw, u8 tcmap, bool request, u8 *tcmap_ret, 818 struct ice_sq_cd *cd) 819 { 820 struct ice_aqc_pfc_ignore *cmd; 821 struct ice_aq_desc desc; 822 enum ice_status status; 823 824 cmd = &desc.params.pfc_ignore; 825 826 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_pfc_ignore); 827 828 if (request) 829 cmd->cmd_flags = ICE_AQC_PFC_IGNORE_SET; 830 831 cmd->tc_bitmap = tcmap; 832 833 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 834 835 if (!status && tcmap_ret) 836 *tcmap_ret = cmd->tc_bitmap; 837 838 return status; 839 } 840 841 /** 842 * ice_aq_start_stop_dcbx - Start/Stop DCBX service in FW 843 * @hw: pointer to the HW struct 844 * @start_dcbx_agent: True if DCBX Agent needs to be started 845 * False if DCBX Agent needs to be stopped 846 * @dcbx_agent_status: FW indicates back the DCBX agent status 847 * True if DCBX Agent is active 848 * False if DCBX Agent is stopped 849 * @cd: pointer to command details structure or NULL 850 * 851 * Start/Stop the embedded dcbx Agent. In case that this wrapper function 852 * returns ICE_SUCCESS, caller will need to check if FW returns back the same 853 * value as stated in dcbx_agent_status, and react accordingly. (0x0A09) 854 */ 855 enum ice_status 856 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent, 857 bool *dcbx_agent_status, struct ice_sq_cd *cd) 858 { 859 struct ice_aqc_lldp_stop_start_specific_agent *cmd; 860 enum ice_status status; 861 struct ice_aq_desc desc; 862 u16 opcode; 863 864 cmd = &desc.params.lldp_agent_ctrl; 865 866 opcode = ice_aqc_opc_lldp_stop_start_specific_agent; 867 868 ice_fill_dflt_direct_cmd_desc(&desc, opcode); 869 870 if (start_dcbx_agent) 871 cmd->command = ICE_AQC_START_STOP_AGENT_START_DCBX; 872 873 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 874 875 *dcbx_agent_status = false; 876 877 if (status == ICE_SUCCESS && 878 cmd->command == ICE_AQC_START_STOP_AGENT_START_DCBX) 879 *dcbx_agent_status = true; 880 881 return status; 882 } 883 884 /** 885 * ice_aq_get_cee_dcb_cfg 886 * @hw: pointer to the HW struct 887 * @buff: response buffer that stores CEE operational configuration 888 * @cd: pointer to command details structure or NULL 889 * 890 * Get CEE DCBX mode operational configuration from firmware (0x0A07) 891 */ 892 enum ice_status 893 ice_aq_get_cee_dcb_cfg(struct ice_hw *hw, 894 struct ice_aqc_get_cee_dcb_cfg_resp *buff, 895 struct ice_sq_cd *cd) 896 { 897 struct ice_aq_desc desc; 898 899 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cee_dcb_cfg); 900 901 return ice_aq_send_cmd(hw, &desc, (void *)buff, sizeof(*buff), cd); 902 } 903 904 /** 905 * ice_aq_query_pfc_mode - Query PFC mode 906 * @hw: pointer to the HW struct 907 * @pfcmode_ret: Return PFC mode 908 * @cd: pointer to command details structure or NULL 909 * 910 * This will return an indication if DSCP-based PFC or VLAN-based PFC 911 * is enabled. (0x0302) 912 */ 913 enum ice_status 914 ice_aq_query_pfc_mode(struct ice_hw *hw, u8 *pfcmode_ret, struct ice_sq_cd *cd) 915 { 916 struct ice_aqc_set_query_pfc_mode *cmd; 917 struct ice_aq_desc desc; 918 enum ice_status status; 919 920 cmd = &desc.params.set_query_pfc_mode; 921 922 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_query_pfc_mode); 923 924 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 925 926 if (!status) 927 *pfcmode_ret = cmd->pfc_mode; 928 929 return status; 930 } 931 932 /** 933 * ice_aq_set_pfc_mode - Set PFC mode 934 * @hw: pointer to the HW struct 935 * @pfc_mode: value of PFC mode to set 936 * @cd: pointer to command details structure or NULL 937 * 938 * This AQ call configures the PFC mdoe to DSCP-based PFC mode or VLAN 939 * -based PFC (0x0303) 940 */ 941 enum ice_status 942 ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd) 943 { 944 struct ice_aqc_set_query_pfc_mode *cmd; 945 struct ice_aq_desc desc; 946 enum ice_status status; 947 948 if (pfc_mode > ICE_AQC_PFC_DSCP_BASED_PFC) 949 return ICE_ERR_PARAM; 950 951 cmd = &desc.params.set_query_pfc_mode; 952 953 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_pfc_mode); 954 955 cmd->pfc_mode = pfc_mode; 956 957 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 958 if (status) 959 return status; 960 961 /* FW will write the PFC mode set back into cmd->pfc_mode, but if DCB is 962 * disabled, FW will write back 0 to cmd->pfc_mode. After the AQ has 963 * been executed, check if cmd->pfc_mode is what was requested. If not, 964 * return an error. 965 */ 966 if (cmd->pfc_mode != pfc_mode) 967 return ICE_ERR_NOT_SUPPORTED; 968 969 return ICE_SUCCESS; 970 } 971 972 /** 973 * ice_aq_set_dcb_parameters - Set DCB parameters 974 * @hw: pointer to the HW struct 975 * @dcb_enable: True if DCB configuration needs to be applied 976 * @cd: pointer to command details structure or NULL 977 * 978 * This AQ command will tell FW if it will apply or not apply the default DCB 979 * configuration when link up (0x0306). 980 */ 981 enum ice_status 982 ice_aq_set_dcb_parameters(struct ice_hw *hw, bool dcb_enable, 983 struct ice_sq_cd *cd) 984 { 985 struct ice_aqc_set_dcb_params *cmd; 986 struct ice_aq_desc desc; 987 988 cmd = &desc.params.set_dcb_params; 989 990 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_dcb_params); 991 992 cmd->valid_flags = ICE_AQC_LINK_UP_DCB_CFG_VALID; 993 if (dcb_enable) 994 cmd->cmd_flags = ICE_AQC_LINK_UP_DCB_CFG; 995 996 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 997 } 998 999 /** 1000 * ice_cee_to_dcb_cfg 1001 * @cee_cfg: pointer to CEE configuration struct 1002 * @pi: port information structure 1003 * 1004 * Convert CEE configuration from firmware to DCB configuration 1005 */ 1006 static void 1007 ice_cee_to_dcb_cfg(struct ice_aqc_get_cee_dcb_cfg_resp *cee_cfg, 1008 struct ice_port_info *pi) 1009 { 1010 u32 status, tlv_status = LE32_TO_CPU(cee_cfg->tlv_status); 1011 u32 ice_aqc_cee_status_mask, ice_aqc_cee_status_shift; 1012 u8 i, j, err, sync, oper, app_index, ice_app_sel_type; 1013 u16 app_prio = LE16_TO_CPU(cee_cfg->oper_app_prio); 1014 u16 ice_aqc_cee_app_mask, ice_aqc_cee_app_shift; 1015 struct ice_dcbx_cfg *cmp_dcbcfg, *dcbcfg; 1016 u16 ice_app_prot_id_type; 1017 1018 dcbcfg = &pi->qos_cfg.local_dcbx_cfg; 1019 dcbcfg->dcbx_mode = ICE_DCBX_MODE_CEE; 1020 dcbcfg->tlv_status = tlv_status; 1021 1022 /* CEE PG data */ 1023 dcbcfg->etscfg.maxtcs = cee_cfg->oper_num_tc; 1024 1025 /* Note that the FW creates the oper_prio_tc nibbles reversed 1026 * from those in the CEE Priority Group sub-TLV. 1027 */ 1028 for (i = 0; i < ICE_MAX_TRAFFIC_CLASS / 2; i++) { 1029 dcbcfg->etscfg.prio_table[i * 2] = 1030 ((cee_cfg->oper_prio_tc[i] & ICE_CEE_PGID_PRIO_0_M) >> 1031 ICE_CEE_PGID_PRIO_0_S); 1032 dcbcfg->etscfg.prio_table[i * 2 + 1] = 1033 ((cee_cfg->oper_prio_tc[i] & ICE_CEE_PGID_PRIO_1_M) >> 1034 ICE_CEE_PGID_PRIO_1_S); 1035 } 1036 1037 ice_for_each_traffic_class(i) { 1038 dcbcfg->etscfg.tcbwtable[i] = cee_cfg->oper_tc_bw[i]; 1039 1040 if (dcbcfg->etscfg.prio_table[i] == ICE_CEE_PGID_STRICT) { 1041 /* Map it to next empty TC */ 1042 dcbcfg->etscfg.prio_table[i] = cee_cfg->oper_num_tc - 1; 1043 dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_STRICT; 1044 } else { 1045 dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_ETS; 1046 } 1047 } 1048 1049 /* CEE PFC data */ 1050 dcbcfg->pfc.pfcena = cee_cfg->oper_pfc_en; 1051 dcbcfg->pfc.pfccap = ICE_MAX_TRAFFIC_CLASS; 1052 1053 /* CEE APP TLV data */ 1054 if (dcbcfg->app_mode == ICE_DCBX_APPS_NON_WILLING) 1055 cmp_dcbcfg = &pi->qos_cfg.desired_dcbx_cfg; 1056 else 1057 cmp_dcbcfg = &pi->qos_cfg.remote_dcbx_cfg; 1058 1059 app_index = 0; 1060 for (i = 0; i < 3; i++) { 1061 if (i == 0) { 1062 /* FCoE APP */ 1063 ice_aqc_cee_status_mask = ICE_AQC_CEE_FCOE_STATUS_M; 1064 ice_aqc_cee_status_shift = ICE_AQC_CEE_FCOE_STATUS_S; 1065 ice_aqc_cee_app_mask = ICE_AQC_CEE_APP_FCOE_M; 1066 ice_aqc_cee_app_shift = ICE_AQC_CEE_APP_FCOE_S; 1067 ice_app_sel_type = ICE_APP_SEL_ETHTYPE; 1068 ice_app_prot_id_type = ICE_APP_PROT_ID_FCOE; 1069 } else if (i == 1) { 1070 /* iSCSI APP */ 1071 ice_aqc_cee_status_mask = ICE_AQC_CEE_ISCSI_STATUS_M; 1072 ice_aqc_cee_status_shift = ICE_AQC_CEE_ISCSI_STATUS_S; 1073 ice_aqc_cee_app_mask = ICE_AQC_CEE_APP_ISCSI_M; 1074 ice_aqc_cee_app_shift = ICE_AQC_CEE_APP_ISCSI_S; 1075 ice_app_sel_type = ICE_APP_SEL_TCPIP; 1076 ice_app_prot_id_type = ICE_APP_PROT_ID_ISCSI; 1077 1078 for (j = 0; j < cmp_dcbcfg->numapps; j++) { 1079 u16 prot_id = cmp_dcbcfg->app[j].prot_id; 1080 u8 sel = cmp_dcbcfg->app[j].selector; 1081 1082 if (sel == ICE_APP_SEL_TCPIP && 1083 (prot_id == ICE_APP_PROT_ID_ISCSI || 1084 prot_id == ICE_APP_PROT_ID_ISCSI_860)) { 1085 ice_app_prot_id_type = prot_id; 1086 break; 1087 } 1088 } 1089 } else { 1090 /* FIP APP */ 1091 ice_aqc_cee_status_mask = ICE_AQC_CEE_FIP_STATUS_M; 1092 ice_aqc_cee_status_shift = ICE_AQC_CEE_FIP_STATUS_S; 1093 ice_aqc_cee_app_mask = ICE_AQC_CEE_APP_FIP_M; 1094 ice_aqc_cee_app_shift = ICE_AQC_CEE_APP_FIP_S; 1095 ice_app_sel_type = ICE_APP_SEL_ETHTYPE; 1096 ice_app_prot_id_type = ICE_APP_PROT_ID_FIP; 1097 } 1098 1099 status = (tlv_status & ice_aqc_cee_status_mask) >> 1100 ice_aqc_cee_status_shift; 1101 err = (status & ICE_TLV_STATUS_ERR) ? 1 : 0; 1102 sync = (status & ICE_TLV_STATUS_SYNC) ? 1 : 0; 1103 oper = (status & ICE_TLV_STATUS_OPER) ? 1 : 0; 1104 /* Add FCoE/iSCSI/FIP APP if Error is False and 1105 * Oper/Sync is True 1106 */ 1107 if (!err && sync && oper) { 1108 dcbcfg->app[app_index].priority = 1109 (app_prio & ice_aqc_cee_app_mask) >> 1110 ice_aqc_cee_app_shift; 1111 dcbcfg->app[app_index].selector = ice_app_sel_type; 1112 dcbcfg->app[app_index].prot_id = ice_app_prot_id_type; 1113 app_index++; 1114 } 1115 } 1116 1117 dcbcfg->numapps = app_index; 1118 } 1119 1120 /** 1121 * ice_get_ieee_or_cee_dcb_cfg 1122 * @pi: port information structure 1123 * @dcbx_mode: mode of DCBX (IEEE or CEE) 1124 * 1125 * Get IEEE or CEE mode DCB configuration from the Firmware 1126 */ 1127 STATIC enum ice_status 1128 ice_get_ieee_or_cee_dcb_cfg(struct ice_port_info *pi, u8 dcbx_mode) 1129 { 1130 struct ice_dcbx_cfg *dcbx_cfg = NULL; 1131 enum ice_status ret; 1132 1133 if (!pi) 1134 return ICE_ERR_PARAM; 1135 1136 if (dcbx_mode == ICE_DCBX_MODE_IEEE) 1137 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 1138 else if (dcbx_mode == ICE_DCBX_MODE_CEE) 1139 dcbx_cfg = &pi->qos_cfg.desired_dcbx_cfg; 1140 1141 /* Get Local DCB Config in case of ICE_DCBX_MODE_IEEE 1142 * or get CEE DCB Desired Config in case of ICE_DCBX_MODE_CEE 1143 */ 1144 ret = ice_aq_get_dcb_cfg(pi->hw, ICE_AQ_LLDP_MIB_LOCAL, 1145 ICE_AQ_LLDP_BRID_TYPE_NEAREST_BRID, dcbx_cfg); 1146 if (ret) 1147 goto out; 1148 1149 /* Get Remote DCB Config */ 1150 dcbx_cfg = &pi->qos_cfg.remote_dcbx_cfg; 1151 ret = ice_aq_get_dcb_cfg(pi->hw, ICE_AQ_LLDP_MIB_REMOTE, 1152 ICE_AQ_LLDP_BRID_TYPE_NEAREST_BRID, dcbx_cfg); 1153 /* Don't treat ENOENT as an error for Remote MIBs */ 1154 if (pi->hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT) 1155 ret = ICE_SUCCESS; 1156 1157 out: 1158 return ret; 1159 } 1160 1161 /** 1162 * ice_get_dcb_cfg 1163 * @pi: port information structure 1164 * 1165 * Get DCB configuration from the Firmware 1166 */ 1167 enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi) 1168 { 1169 struct ice_aqc_get_cee_dcb_cfg_resp cee_cfg; 1170 struct ice_dcbx_cfg *dcbx_cfg; 1171 enum ice_status ret; 1172 1173 if (!pi) 1174 return ICE_ERR_PARAM; 1175 1176 ret = ice_aq_get_cee_dcb_cfg(pi->hw, &cee_cfg, NULL); 1177 if (ret == ICE_SUCCESS) { 1178 /* CEE mode */ 1179 ret = ice_get_ieee_or_cee_dcb_cfg(pi, ICE_DCBX_MODE_CEE); 1180 ice_cee_to_dcb_cfg(&cee_cfg, pi); 1181 } else if (pi->hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT) { 1182 /* CEE mode not enabled try querying IEEE data */ 1183 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 1184 dcbx_cfg->dcbx_mode = ICE_DCBX_MODE_IEEE; 1185 ret = ice_get_ieee_or_cee_dcb_cfg(pi, ICE_DCBX_MODE_IEEE); 1186 } 1187 1188 return ret; 1189 } 1190 1191 /** 1192 * ice_init_dcb 1193 * @hw: pointer to the HW struct 1194 * @enable_mib_change: enable MIB change event 1195 * 1196 * Update DCB configuration from the Firmware 1197 */ 1198 enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change) 1199 { 1200 struct ice_qos_cfg *qos_cfg = &hw->port_info->qos_cfg; 1201 enum ice_status ret = ICE_SUCCESS; 1202 1203 if (!hw->func_caps.common_cap.dcb) 1204 return ICE_ERR_NOT_SUPPORTED; 1205 1206 qos_cfg->is_sw_lldp = true; 1207 1208 /* Get DCBX status */ 1209 qos_cfg->dcbx_status = ice_get_dcbx_status(hw); 1210 1211 if (qos_cfg->dcbx_status == ICE_DCBX_STATUS_DONE || 1212 qos_cfg->dcbx_status == ICE_DCBX_STATUS_IN_PROGRESS || 1213 qos_cfg->dcbx_status == ICE_DCBX_STATUS_NOT_STARTED) { 1214 /* Get current DCBX configuration */ 1215 ret = ice_get_dcb_cfg(hw->port_info); 1216 if (ret) 1217 return ret; 1218 qos_cfg->is_sw_lldp = false; 1219 } else if (qos_cfg->dcbx_status == ICE_DCBX_STATUS_DIS) { 1220 return ICE_ERR_NOT_READY; 1221 } 1222 1223 /* Configure the LLDP MIB change event */ 1224 if (enable_mib_change) { 1225 ret = ice_aq_cfg_lldp_mib_change(hw, true, NULL); 1226 if (ret) 1227 qos_cfg->is_sw_lldp = true; 1228 } 1229 1230 return ret; 1231 } 1232 1233 /** 1234 * ice_cfg_lldp_mib_change 1235 * @hw: pointer to the HW struct 1236 * @ena_mib: enable/disable MIB change event 1237 * 1238 * Configure (disable/enable) MIB 1239 */ 1240 enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib) 1241 { 1242 struct ice_qos_cfg *qos_cfg = &hw->port_info->qos_cfg; 1243 enum ice_status ret; 1244 1245 if (!hw->func_caps.common_cap.dcb) 1246 return ICE_ERR_NOT_SUPPORTED; 1247 1248 /* Get DCBX status */ 1249 qos_cfg->dcbx_status = ice_get_dcbx_status(hw); 1250 1251 if (qos_cfg->dcbx_status == ICE_DCBX_STATUS_DIS) 1252 return ICE_ERR_NOT_READY; 1253 1254 ret = ice_aq_cfg_lldp_mib_change(hw, ena_mib, NULL); 1255 if (!ret) 1256 qos_cfg->is_sw_lldp = !ena_mib; 1257 1258 return ret; 1259 } 1260 1261 /** 1262 * ice_add_ieee_ets_common_tlv 1263 * @buf: Data buffer to be populated with ice_dcb_ets_cfg data 1264 * @ets_cfg: Container for ice_dcb_ets_cfg data 1265 * 1266 * Populate the TLV buffer with ice_dcb_ets_cfg data 1267 */ 1268 static void 1269 ice_add_ieee_ets_common_tlv(u8 *buf, struct ice_dcb_ets_cfg *ets_cfg) 1270 { 1271 u8 priority0, priority1; 1272 u8 offset = 0; 1273 int i; 1274 1275 /* Priority Assignment Table (4 octets) 1276 * Octets:| 1 | 2 | 3 | 4 | 1277 * ----------------------------------------- 1278 * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| 1279 * ----------------------------------------- 1280 * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| 1281 * ----------------------------------------- 1282 */ 1283 for (i = 0; i < ICE_MAX_TRAFFIC_CLASS / 2; i++) { 1284 priority0 = ets_cfg->prio_table[i * 2] & 0xF; 1285 priority1 = ets_cfg->prio_table[i * 2 + 1] & 0xF; 1286 buf[offset] = (priority0 << ICE_IEEE_ETS_PRIO_1_S) | priority1; 1287 offset++; 1288 } 1289 1290 /* TC Bandwidth Table (8 octets) 1291 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 1292 * --------------------------------- 1293 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| 1294 * --------------------------------- 1295 * 1296 * TSA Assignment Table (8 octets) 1297 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 1298 * --------------------------------- 1299 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| 1300 * --------------------------------- 1301 */ 1302 ice_for_each_traffic_class(i) { 1303 buf[offset] = ets_cfg->tcbwtable[i]; 1304 buf[ICE_MAX_TRAFFIC_CLASS + offset] = ets_cfg->tsatable[i]; 1305 offset++; 1306 } 1307 } 1308 1309 /** 1310 * ice_add_ieee_ets_tlv - Prepare ETS TLV in IEEE format 1311 * @tlv: Fill the ETS config data in IEEE format 1312 * @dcbcfg: Local store which holds the DCB Config 1313 * 1314 * Prepare IEEE 802.1Qaz ETS CFG TLV 1315 */ 1316 static void 1317 ice_add_ieee_ets_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 1318 { 1319 struct ice_dcb_ets_cfg *etscfg; 1320 u8 *buf = tlv->tlvinfo; 1321 u8 maxtcwilling = 0; 1322 u32 ouisubtype; 1323 u16 typelen; 1324 1325 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1326 ICE_IEEE_ETS_TLV_LEN); 1327 tlv->typelen = HTONS(typelen); 1328 1329 ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 1330 ICE_IEEE_SUBTYPE_ETS_CFG); 1331 tlv->ouisubtype = HTONL(ouisubtype); 1332 1333 /* First Octet post subtype 1334 * -------------------------- 1335 * |will-|CBS | Re- | Max | 1336 * |ing | |served| TCs | 1337 * -------------------------- 1338 * |1bit | 1bit|3 bits|3bits| 1339 */ 1340 etscfg = &dcbcfg->etscfg; 1341 if (etscfg->willing) 1342 maxtcwilling = BIT(ICE_IEEE_ETS_WILLING_S); 1343 maxtcwilling |= etscfg->maxtcs & ICE_IEEE_ETS_MAXTC_M; 1344 buf[0] = maxtcwilling; 1345 1346 /* Begin adding at Priority Assignment Table (offset 1 in buf) */ 1347 ice_add_ieee_ets_common_tlv(&buf[1], etscfg); 1348 } 1349 1350 /** 1351 * ice_add_ieee_etsrec_tlv - Prepare ETS Recommended TLV in IEEE format 1352 * @tlv: Fill ETS Recommended TLV in IEEE format 1353 * @dcbcfg: Local store which holds the DCB Config 1354 * 1355 * Prepare IEEE 802.1Qaz ETS REC TLV 1356 */ 1357 static void 1358 ice_add_ieee_etsrec_tlv(struct ice_lldp_org_tlv *tlv, 1359 struct ice_dcbx_cfg *dcbcfg) 1360 { 1361 struct ice_dcb_ets_cfg *etsrec; 1362 u8 *buf = tlv->tlvinfo; 1363 u32 ouisubtype; 1364 u16 typelen; 1365 1366 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1367 ICE_IEEE_ETS_TLV_LEN); 1368 tlv->typelen = HTONS(typelen); 1369 1370 ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 1371 ICE_IEEE_SUBTYPE_ETS_REC); 1372 tlv->ouisubtype = HTONL(ouisubtype); 1373 1374 etsrec = &dcbcfg->etsrec; 1375 1376 /* First Octet is reserved */ 1377 /* Begin adding at Priority Assignment Table (offset 1 in buf) */ 1378 ice_add_ieee_ets_common_tlv(&buf[1], etsrec); 1379 } 1380 1381 /** 1382 * ice_add_ieee_pfc_tlv - Prepare PFC TLV in IEEE format 1383 * @tlv: Fill PFC TLV in IEEE format 1384 * @dcbcfg: Local store which holds the PFC CFG data 1385 * 1386 * Prepare IEEE 802.1Qaz PFC CFG TLV 1387 */ 1388 static void 1389 ice_add_ieee_pfc_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 1390 { 1391 u8 *buf = tlv->tlvinfo; 1392 u32 ouisubtype; 1393 u16 typelen; 1394 1395 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1396 ICE_IEEE_PFC_TLV_LEN); 1397 tlv->typelen = HTONS(typelen); 1398 1399 ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 1400 ICE_IEEE_SUBTYPE_PFC_CFG); 1401 tlv->ouisubtype = HTONL(ouisubtype); 1402 1403 /* ---------------------------------------- 1404 * |will-|MBC | Re- | PFC | PFC Enable | 1405 * |ing | |served| cap | | 1406 * ----------------------------------------- 1407 * |1bit | 1bit|2 bits|4bits| 1 octet | 1408 */ 1409 if (dcbcfg->pfc.willing) 1410 buf[0] = BIT(ICE_IEEE_PFC_WILLING_S); 1411 1412 if (dcbcfg->pfc.mbc) 1413 buf[0] |= BIT(ICE_IEEE_PFC_MBC_S); 1414 1415 buf[0] |= dcbcfg->pfc.pfccap & 0xF; 1416 buf[1] = dcbcfg->pfc.pfcena; 1417 } 1418 1419 /** 1420 * ice_add_ieee_app_pri_tlv - Prepare APP TLV in IEEE format 1421 * @tlv: Fill APP TLV in IEEE format 1422 * @dcbcfg: Local store which holds the APP CFG data 1423 * 1424 * Prepare IEEE 802.1Qaz APP CFG TLV 1425 */ 1426 static void 1427 ice_add_ieee_app_pri_tlv(struct ice_lldp_org_tlv *tlv, 1428 struct ice_dcbx_cfg *dcbcfg) 1429 { 1430 u16 typelen, len, offset = 0; 1431 u8 priority, selector, i = 0; 1432 u8 *buf = tlv->tlvinfo; 1433 u32 ouisubtype; 1434 1435 /* No APP TLVs then just return */ 1436 if (dcbcfg->numapps == 0) 1437 return; 1438 ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 1439 ICE_IEEE_SUBTYPE_APP_PRI); 1440 tlv->ouisubtype = HTONL(ouisubtype); 1441 1442 /* Move offset to App Priority Table */ 1443 offset++; 1444 /* Application Priority Table (3 octets) 1445 * Octets:| 1 | 2 | 3 | 1446 * ----------------------------------------- 1447 * |Priority|Rsrvd| Sel | Protocol ID | 1448 * ----------------------------------------- 1449 * Bits:|23 21|20 19|18 16|15 0| 1450 * ----------------------------------------- 1451 */ 1452 while (i < dcbcfg->numapps) { 1453 priority = dcbcfg->app[i].priority & 0x7; 1454 selector = dcbcfg->app[i].selector & 0x7; 1455 buf[offset] = (priority << ICE_IEEE_APP_PRIO_S) | selector; 1456 buf[offset + 1] = (dcbcfg->app[i].prot_id >> 0x8) & 0xFF; 1457 buf[offset + 2] = dcbcfg->app[i].prot_id & 0xFF; 1458 /* Move to next app */ 1459 offset += 3; 1460 i++; 1461 if (i >= ICE_DCBX_MAX_APPS) 1462 break; 1463 } 1464 /* len includes size of ouisubtype + 1 reserved + 3*numapps */ 1465 len = sizeof(tlv->ouisubtype) + 1 + (i * 3); 1466 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | (len & 0x1FF)); 1467 tlv->typelen = HTONS(typelen); 1468 } 1469 1470 /** 1471 * ice_add_dscp_up_tlv - Prepare DSCP to UP TLV 1472 * @tlv: location to build the TLV data 1473 * @dcbcfg: location of data to convert to TLV 1474 */ 1475 static void 1476 ice_add_dscp_up_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 1477 { 1478 u8 *buf = tlv->tlvinfo; 1479 u32 ouisubtype; 1480 u16 typelen; 1481 int i; 1482 1483 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1484 ICE_DSCP_UP_TLV_LEN); 1485 tlv->typelen = HTONS(typelen); 1486 1487 ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) | 1488 ICE_DSCP_SUBTYPE_DSCP2UP); 1489 tlv->ouisubtype = HTONL(ouisubtype); 1490 1491 /* bytes 0 - 63 - IPv4 DSCP2UP LUT */ 1492 for (i = 0; i < ICE_DSCP_NUM_VAL; i++) { 1493 /* IPv4 mapping */ 1494 buf[i] = dcbcfg->dscp_map[i]; 1495 /* IPv6 mapping */ 1496 buf[i + ICE_DSCP_IPV6_OFFSET] = dcbcfg->dscp_map[i]; 1497 } 1498 1499 /* byte 64 - IPv4 untagged traffic */ 1500 buf[i] = 0; 1501 1502 /* byte 144 - IPv6 untagged traffic */ 1503 buf[i + ICE_DSCP_IPV6_OFFSET] = 0; 1504 } 1505 1506 #define ICE_BYTES_PER_TC 8 1507 /** 1508 * ice_add_dscp_enf_tlv - Prepare DSCP Enforcement TLV 1509 * @tlv: location to build the TLV data 1510 */ 1511 static void 1512 ice_add_dscp_enf_tlv(struct ice_lldp_org_tlv *tlv) 1513 { 1514 u8 *buf = tlv->tlvinfo; 1515 u32 ouisubtype; 1516 u16 typelen; 1517 1518 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1519 ICE_DSCP_ENF_TLV_LEN); 1520 tlv->typelen = HTONS(typelen); 1521 1522 ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) | 1523 ICE_DSCP_SUBTYPE_ENFORCE); 1524 tlv->ouisubtype = HTONL(ouisubtype); 1525 1526 /* Allow all DSCP values to be valid for all TC's (IPv4 and IPv6) */ 1527 memset(buf, 0, 2 * (ICE_MAX_TRAFFIC_CLASS * ICE_BYTES_PER_TC)); 1528 } 1529 1530 /** 1531 * ice_add_dscp_tc_bw_tlv - Prepare DSCP BW for TC TLV 1532 * @tlv: location to build the TLV data 1533 * @dcbcfg: location of the data to convert to TLV 1534 */ 1535 static void 1536 ice_add_dscp_tc_bw_tlv(struct ice_lldp_org_tlv *tlv, 1537 struct ice_dcbx_cfg *dcbcfg) 1538 { 1539 struct ice_dcb_ets_cfg *etscfg; 1540 u8 *buf = tlv->tlvinfo; 1541 u32 ouisubtype; 1542 u8 offset = 0; 1543 u16 typelen; 1544 int i; 1545 1546 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1547 ICE_DSCP_TC_BW_TLV_LEN); 1548 tlv->typelen = HTONS(typelen); 1549 1550 ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) | 1551 ICE_DSCP_SUBTYPE_TCBW); 1552 tlv->ouisubtype = HTONL(ouisubtype); 1553 1554 /* First Octect after subtype 1555 * ---------------------------- 1556 * | RSV | CBS | RSV | Max TCs | 1557 * | 1b | 1b | 3b | 3b | 1558 * ---------------------------- 1559 */ 1560 etscfg = &dcbcfg->etscfg; 1561 buf[0] = etscfg->maxtcs & ICE_IEEE_ETS_MAXTC_M; 1562 1563 /* bytes 1 - 4 reserved */ 1564 offset = 5; 1565 1566 /* TC BW table 1567 * bytes 0 - 7 for TC 0 - 7 1568 * 1569 * TSA Assignment table 1570 * bytes 8 - 15 for TC 0 - 7 1571 */ 1572 for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) { 1573 buf[offset] = etscfg->tcbwtable[i]; 1574 buf[offset + ICE_MAX_TRAFFIC_CLASS] = etscfg->tsatable[i]; 1575 offset++; 1576 } 1577 } 1578 1579 /** 1580 * ice_add_dscp_pfc_tlv - Prepare DSCP PFC TLV 1581 * @tlv: Fill PFC TLV in IEEE format 1582 * @dcbcfg: Local store which holds the PFC CFG data 1583 */ 1584 static void 1585 ice_add_dscp_pfc_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg) 1586 { 1587 u8 *buf = tlv->tlvinfo; 1588 u32 ouisubtype; 1589 u16 typelen; 1590 1591 typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 1592 ICE_DSCP_PFC_TLV_LEN); 1593 tlv->typelen = HTONS(typelen); 1594 1595 ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) | 1596 ICE_DSCP_SUBTYPE_PFC); 1597 tlv->ouisubtype = HTONL(ouisubtype); 1598 1599 buf[0] = dcbcfg->pfc.pfccap & 0xF; 1600 buf[1] = dcbcfg->pfc.pfcena & 0xF; 1601 } 1602 1603 /** 1604 * ice_add_dcb_tlv - Add all IEEE or DSCP TLVs 1605 * @tlv: Fill TLV data in IEEE format 1606 * @dcbcfg: Local store which holds the DCB Config 1607 * @tlvid: Type of IEEE TLV 1608 * 1609 * Add tlv information 1610 */ 1611 static void 1612 ice_add_dcb_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg, 1613 u16 tlvid) 1614 { 1615 if (dcbcfg->pfc_mode == ICE_QOS_MODE_VLAN) { 1616 switch (tlvid) { 1617 case ICE_IEEE_TLV_ID_ETS_CFG: 1618 ice_add_ieee_ets_tlv(tlv, dcbcfg); 1619 break; 1620 case ICE_IEEE_TLV_ID_ETS_REC: 1621 ice_add_ieee_etsrec_tlv(tlv, dcbcfg); 1622 break; 1623 case ICE_IEEE_TLV_ID_PFC_CFG: 1624 ice_add_ieee_pfc_tlv(tlv, dcbcfg); 1625 break; 1626 case ICE_IEEE_TLV_ID_APP_PRI: 1627 ice_add_ieee_app_pri_tlv(tlv, dcbcfg); 1628 break; 1629 default: 1630 break; 1631 } 1632 } else { 1633 /* pfc_mode == ICE_QOS_MODE_DSCP */ 1634 switch (tlvid) { 1635 case ICE_TLV_ID_DSCP_UP: 1636 ice_add_dscp_up_tlv(tlv, dcbcfg); 1637 break; 1638 case ICE_TLV_ID_DSCP_ENF: 1639 ice_add_dscp_enf_tlv(tlv); 1640 break; 1641 case ICE_TLV_ID_DSCP_TC_BW: 1642 ice_add_dscp_tc_bw_tlv(tlv, dcbcfg); 1643 break; 1644 case ICE_TLV_ID_DSCP_TO_PFC: 1645 ice_add_dscp_pfc_tlv(tlv, dcbcfg); 1646 break; 1647 default: 1648 break; 1649 } 1650 } 1651 } 1652 1653 /** 1654 * ice_dcb_cfg_to_lldp - Convert DCB configuration to MIB format 1655 * @lldpmib: pointer to the HW struct 1656 * @miblen: length of LLDP MIB 1657 * @dcbcfg: Local store which holds the DCB Config 1658 * 1659 * Convert the DCB configuration to MIB format 1660 */ 1661 void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg) 1662 { 1663 u16 len, offset = 0, tlvid = ICE_TLV_ID_START; 1664 struct ice_lldp_org_tlv *tlv; 1665 u16 typelen; 1666 1667 tlv = (struct ice_lldp_org_tlv *)lldpmib; 1668 while (1) { 1669 ice_add_dcb_tlv(tlv, dcbcfg, tlvid++); 1670 typelen = NTOHS(tlv->typelen); 1671 len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 1672 if (len) 1673 offset += len + 2; 1674 /* END TLV or beyond LLDPDU size */ 1675 if (tlvid >= ICE_TLV_ID_END_OF_LLDPPDU || 1676 offset > ICE_LLDPDU_SIZE) 1677 break; 1678 /* Move to next TLV */ 1679 if (len) 1680 tlv = (struct ice_lldp_org_tlv *) 1681 ((char *)tlv + sizeof(tlv->typelen) + len); 1682 } 1683 *miblen = offset; 1684 } 1685 1686 /** 1687 * ice_set_dcb_cfg - Set the local LLDP MIB to FW 1688 * @pi: port information structure 1689 * 1690 * Set DCB configuration to the Firmware 1691 */ 1692 enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi) 1693 { 1694 u8 mib_type, *lldpmib = NULL; 1695 struct ice_dcbx_cfg *dcbcfg; 1696 enum ice_status ret; 1697 struct ice_hw *hw; 1698 u16 miblen; 1699 1700 if (!pi) 1701 return ICE_ERR_PARAM; 1702 1703 hw = pi->hw; 1704 1705 /* update the HW local config */ 1706 dcbcfg = &pi->qos_cfg.local_dcbx_cfg; 1707 /* Allocate the LLDPDU */ 1708 lldpmib = (u8 *)ice_malloc(hw, ICE_LLDPDU_SIZE); 1709 if (!lldpmib) 1710 return ICE_ERR_NO_MEMORY; 1711 1712 mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB; 1713 if (dcbcfg->app_mode == ICE_DCBX_APPS_NON_WILLING) 1714 mib_type |= SET_LOCAL_MIB_TYPE_CEE_NON_WILLING; 1715 1716 ice_dcb_cfg_to_lldp(lldpmib, &miblen, dcbcfg); 1717 ret = ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, miblen, 1718 NULL); 1719 1720 ice_free(hw, lldpmib); 1721 1722 return ret; 1723 } 1724 1725 /** 1726 * ice_aq_query_port_ets - query port ETS configuration 1727 * @pi: port information structure 1728 * @buf: pointer to buffer 1729 * @buf_size: buffer size in bytes 1730 * @cd: pointer to command details structure or NULL 1731 * 1732 * query current port ETS configuration 1733 */ 1734 enum ice_status 1735 ice_aq_query_port_ets(struct ice_port_info *pi, 1736 struct ice_aqc_port_ets_elem *buf, u16 buf_size, 1737 struct ice_sq_cd *cd) 1738 { 1739 struct ice_aqc_query_port_ets *cmd; 1740 struct ice_aq_desc desc; 1741 enum ice_status status; 1742 1743 if (!pi || !pi->root) 1744 return ICE_ERR_PARAM; 1745 cmd = &desc.params.port_ets; 1746 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_query_port_ets); 1747 cmd->port_teid = pi->root->info.node_teid; 1748 1749 status = ice_aq_send_cmd(pi->hw, &desc, buf, buf_size, cd); 1750 return status; 1751 } 1752 1753 /** 1754 * ice_update_port_tc_tree_cfg - update TC tree configuration 1755 * @pi: port information structure 1756 * @buf: pointer to buffer 1757 * 1758 * update the SW DB with the new TC changes 1759 */ 1760 enum ice_status 1761 ice_update_port_tc_tree_cfg(struct ice_port_info *pi, 1762 struct ice_aqc_port_ets_elem *buf) 1763 { 1764 struct ice_sched_node *node, *tc_node; 1765 struct ice_aqc_txsched_elem_data elem; 1766 enum ice_status status = ICE_SUCCESS; 1767 u32 teid1, teid2; 1768 u8 i, j; 1769 1770 if (!pi) 1771 return ICE_ERR_PARAM; 1772 /* suspend the missing TC nodes */ 1773 for (i = 0; i < pi->root->num_children; i++) { 1774 teid1 = LE32_TO_CPU(pi->root->children[i]->info.node_teid); 1775 ice_for_each_traffic_class(j) { 1776 teid2 = LE32_TO_CPU(buf->tc_node_teid[j]); 1777 if (teid1 == teid2) 1778 break; 1779 } 1780 if (j < ICE_MAX_TRAFFIC_CLASS) 1781 continue; 1782 /* TC is missing */ 1783 pi->root->children[i]->in_use = false; 1784 } 1785 /* add the new TC nodes */ 1786 ice_for_each_traffic_class(j) { 1787 teid2 = LE32_TO_CPU(buf->tc_node_teid[j]); 1788 if (teid2 == ICE_INVAL_TEID) 1789 continue; 1790 /* Is it already present in the tree ? */ 1791 for (i = 0; i < pi->root->num_children; i++) { 1792 tc_node = pi->root->children[i]; 1793 if (!tc_node) 1794 continue; 1795 teid1 = LE32_TO_CPU(tc_node->info.node_teid); 1796 if (teid1 == teid2) { 1797 tc_node->tc_num = j; 1798 tc_node->in_use = true; 1799 break; 1800 } 1801 } 1802 if (i < pi->root->num_children) 1803 continue; 1804 /* new TC */ 1805 status = ice_sched_query_elem(pi->hw, teid2, &elem); 1806 if (!status) 1807 status = ice_sched_add_node(pi, 1, &elem); 1808 if (status) 1809 break; 1810 /* update the TC number */ 1811 node = ice_sched_find_node_by_teid(pi->root, teid2); 1812 if (node) 1813 node->tc_num = j; 1814 } 1815 return status; 1816 } 1817 1818 /** 1819 * ice_query_port_ets - query port ETS configuration 1820 * @pi: port information structure 1821 * @buf: pointer to buffer 1822 * @buf_size: buffer size in bytes 1823 * @cd: pointer to command details structure or NULL 1824 * 1825 * query current port ETS configuration and update the 1826 * SW DB with the TC changes 1827 */ 1828 enum ice_status 1829 ice_query_port_ets(struct ice_port_info *pi, 1830 struct ice_aqc_port_ets_elem *buf, u16 buf_size, 1831 struct ice_sq_cd *cd) 1832 { 1833 enum ice_status status; 1834 1835 ice_acquire_lock(&pi->sched_lock); 1836 status = ice_aq_query_port_ets(pi, buf, buf_size, cd); 1837 if (!status) 1838 status = ice_update_port_tc_tree_cfg(pi, buf); 1839 ice_release_lock(&pi->sched_lock); 1840 return status; 1841 }
Cache object: 22d0a12b4d8ee8dccd50c92225b5d808
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