1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/types.h>
34 #include <asm/byteorder.h>
35 #include <linux/bitops.h>
36 #include <linux/dcbnl.h>
37 #include <linux/errno.h>
38 #include <linux/kernel.h>
39 #include <linux/slab.h>
40 #include <linux/string.h>
46 #include "qed_sriov.h"
48 #include <linux/qed/qed_eth_if.h>
51 #define QED_DCBX_MAX_MIB_READ_TRY (100)
52 #define QED_ETH_TYPE_DEFAULT (0)
53 #define QED_ETH_TYPE_ROCE (0x8915)
54 #define QED_UDP_PORT_TYPE_ROCE_V2 (0x12B7)
55 #define QED_ETH_TYPE_FCOE (0x8906)
56 #define QED_TCP_PORT_ISCSI (0xCBC)
58 #define QED_DCBX_INVALID_PRIORITY 0xFF
60 /* Get Traffic Class from priority traffic class table, 4 bits represent
61 * the traffic class corresponding to the priority.
63 #define QED_DCBX_PRIO2TC(prio_tc_tbl, prio) \
64 ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
66 static const struct qed_dcbx_app_metadata qed_dcbx_app_update[] = {
67 {DCBX_PROTOCOL_ISCSI, "ISCSI", QED_PCI_DEFAULT},
68 {DCBX_PROTOCOL_FCOE, "FCOE", QED_PCI_DEFAULT},
69 {DCBX_PROTOCOL_ROCE, "ROCE", QED_PCI_DEFAULT},
70 {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", QED_PCI_DEFAULT},
71 {DCBX_PROTOCOL_ETH, "ETH", QED_PCI_ETH}
74 static bool qed_dcbx_app_ethtype(u32 app_info_bitmap)
76 return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
80 static bool qed_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
82 u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
85 if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
86 return qed_dcbx_app_ethtype(app_info_bitmap);
88 return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
91 static bool qed_dcbx_app_port(u32 app_info_bitmap)
93 return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
97 static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
99 u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
102 if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
103 return qed_dcbx_app_port(app_info_bitmap);
105 return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
108 static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
113 ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
115 ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
117 return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT));
120 static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
125 port = qed_dcbx_ieee_app_port(app_info_bitmap,
126 DCBX_APP_SF_IEEE_TCP_PORT);
128 port = qed_dcbx_app_port(app_info_bitmap);
130 return !!(port && (proto_id == QED_TCP_PORT_ISCSI));
133 static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
138 ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
140 ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
142 return !!(ethtype && (proto_id == QED_ETH_TYPE_FCOE));
145 static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
150 ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
152 ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
154 return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE));
157 static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
162 port = qed_dcbx_ieee_app_port(app_info_bitmap,
163 DCBX_APP_SF_IEEE_UDP_PORT);
165 port = qed_dcbx_app_port(app_info_bitmap);
167 return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2));
171 qed_dcbx_dp_protocol(struct qed_hwfn *p_hwfn, struct qed_dcbx_results *p_data)
173 enum dcbx_protocol_type id;
176 DP_VERBOSE(p_hwfn, QED_MSG_DCB, "DCBX negotiated: %d\n",
177 p_data->dcbx_enabled);
179 for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) {
180 id = qed_dcbx_app_update[i].id;
182 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
183 "%s info: update %d, enable %d, prio %d, tc %d, num_tc %d\n",
184 qed_dcbx_app_update[i].name, p_data->arr[id].update,
185 p_data->arr[id].enable, p_data->arr[id].priority,
186 p_data->arr[id].tc, p_hwfn->hw_info.num_tc);
191 qed_dcbx_set_params(struct qed_dcbx_results *p_data,
192 struct qed_hw_info *p_info,
197 enum dcbx_protocol_type type,
198 enum qed_pci_personality personality)
200 /* PF update ramrod data */
201 p_data->arr[type].update = update;
202 p_data->arr[type].enable = enable;
203 p_data->arr[type].priority = prio;
204 p_data->arr[type].tc = tc;
207 if (p_info->personality == personality) {
208 if (personality == QED_PCI_ETH)
209 p_info->non_offload_tc = tc;
211 p_info->offload_tc = tc;
215 /* Update app protocol data and hw_info fields with the TLV info */
217 qed_dcbx_update_app_info(struct qed_dcbx_results *p_data,
218 struct qed_hwfn *p_hwfn,
221 u8 prio, u8 tc, enum dcbx_protocol_type type)
223 struct qed_hw_info *p_info = &p_hwfn->hw_info;
224 enum qed_pci_personality personality;
225 enum dcbx_protocol_type id;
229 for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) {
230 id = qed_dcbx_app_update[i].id;
235 personality = qed_dcbx_app_update[i].personality;
236 name = qed_dcbx_app_update[i].name;
238 qed_dcbx_set_params(p_data, p_info, enable, update,
239 prio, tc, type, personality);
244 qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn,
246 u16 id, enum dcbx_protocol_type *type, bool ieee)
248 if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) {
249 *type = DCBX_PROTOCOL_FCOE;
250 } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
251 *type = DCBX_PROTOCOL_ROCE;
252 } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
253 *type = DCBX_PROTOCOL_ISCSI;
254 } else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
255 *type = DCBX_PROTOCOL_ETH;
256 } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
257 *type = DCBX_PROTOCOL_ROCE_V2;
259 *type = DCBX_MAX_PROTOCOL_TYPE;
261 "No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n",
262 id, app_prio_bitmap);
269 /* Parse app TLV's to update TC information in hw_info structure for
270 * reconfiguring QM. Get protocol specific data for PF update ramrod command.
273 qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn,
274 struct qed_dcbx_results *p_data,
275 struct dcbx_app_priority_entry *p_tbl,
276 u32 pri_tc_tbl, int count, u8 dcbx_version)
279 enum dcbx_protocol_type type;
285 DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count);
287 ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
289 for (i = 0; i < count; i++) {
290 protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
291 DCBX_APP_PROTOCOL_ID);
292 priority_map = QED_MFW_GET_FIELD(p_tbl[i].entry,
294 priority = ffs(priority_map) - 1;
296 DP_ERR(p_hwfn, "Invalid priority\n");
300 tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority);
301 if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
302 protocol_id, &type, ieee)) {
303 /* ETH always have the enable bit reset, as it gets
304 * vlan information per packet. For other protocols,
305 * should be set according to the dcbx_enabled
306 * indication, but we only got here if there was an
307 * app tlv for the protocol, so dcbx must be enabled.
309 enable = !(type == DCBX_PROTOCOL_ETH);
311 qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
316 /* If RoCE-V2 TLV is not detected, driver need to use RoCE app
317 * data for RoCE-v2 not the default app data.
319 if (!p_data->arr[DCBX_PROTOCOL_ROCE_V2].update &&
320 p_data->arr[DCBX_PROTOCOL_ROCE].update) {
321 tc = p_data->arr[DCBX_PROTOCOL_ROCE].tc;
322 priority = p_data->arr[DCBX_PROTOCOL_ROCE].priority;
323 qed_dcbx_update_app_info(p_data, p_hwfn, true, true,
324 priority, tc, DCBX_PROTOCOL_ROCE_V2);
327 /* Update ramrod protocol data and hw_info fields
328 * with default info when corresponding APP TLV's are not detected.
329 * The enabled field has a different logic for ethernet as only for
330 * ethernet dcb should disabled by default, as the information arrives
331 * from the OS (unless an explicit app tlv was present).
333 tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
334 priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
335 for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
336 if (p_data->arr[type].update)
339 enable = !(type == DCBX_PROTOCOL_ETH);
340 qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
347 /* Parse app TLV's to update TC information in hw_info structure for
348 * reconfiguring QM. Get protocol specific data for PF update ramrod command.
350 static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn)
352 struct dcbx_app_priority_feature *p_app;
353 struct dcbx_app_priority_entry *p_tbl;
354 struct qed_dcbx_results data = { 0 };
355 struct dcbx_ets_feature *p_ets;
356 struct qed_hw_info *p_info;
357 u32 pri_tc_tbl, flags;
362 flags = p_hwfn->p_dcbx_info->operational.flags;
363 dcbx_version = QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
365 p_app = &p_hwfn->p_dcbx_info->operational.features.app;
366 p_tbl = p_app->app_pri_tbl;
368 p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
369 pri_tc_tbl = p_ets->pri_tc_tbl[0];
371 p_info = &p_hwfn->hw_info;
372 num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
374 rc = qed_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
375 num_entries, dcbx_version);
379 p_info->num_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
380 data.pf_id = p_hwfn->rel_pf_id;
381 data.dcbx_enabled = !!dcbx_version;
383 qed_dcbx_dp_protocol(p_hwfn, &data);
385 memcpy(&p_hwfn->p_dcbx_info->results, &data,
386 sizeof(struct qed_dcbx_results));
392 qed_dcbx_copy_mib(struct qed_hwfn *p_hwfn,
393 struct qed_ptt *p_ptt,
394 struct qed_dcbx_mib_meta_data *p_data,
395 enum qed_mib_read_type type)
397 u32 prefix_seq_num, suffix_seq_num;
401 /* The data is considered to be valid only if both sequence numbers are
405 if (type == QED_DCBX_REMOTE_LLDP_MIB) {
406 qed_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
407 p_data->addr, p_data->size);
408 prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
409 suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
411 qed_memcpy_from(p_hwfn, p_ptt, p_data->mib,
412 p_data->addr, p_data->size);
413 prefix_seq_num = p_data->mib->prefix_seq_num;
414 suffix_seq_num = p_data->mib->suffix_seq_num;
420 "mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
421 type, read_count, prefix_seq_num, suffix_seq_num);
422 } while ((prefix_seq_num != suffix_seq_num) &&
423 (read_count < QED_DCBX_MAX_MIB_READ_TRY));
425 if (read_count >= QED_DCBX_MAX_MIB_READ_TRY) {
427 "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
428 type, read_count, prefix_seq_num, suffix_seq_num);
436 qed_dcbx_get_priority_info(struct qed_hwfn *p_hwfn,
437 struct qed_dcbx_app_prio *p_prio,
438 struct qed_dcbx_results *p_results)
442 p_prio->roce = QED_DCBX_INVALID_PRIORITY;
443 p_prio->roce_v2 = QED_DCBX_INVALID_PRIORITY;
444 p_prio->iscsi = QED_DCBX_INVALID_PRIORITY;
445 p_prio->fcoe = QED_DCBX_INVALID_PRIORITY;
447 if (p_results->arr[DCBX_PROTOCOL_ROCE].update &&
448 p_results->arr[DCBX_PROTOCOL_ROCE].enable)
449 p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority;
451 if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update &&
452 p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) {
453 val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority;
454 p_prio->roce_v2 = val;
457 if (p_results->arr[DCBX_PROTOCOL_ISCSI].update &&
458 p_results->arr[DCBX_PROTOCOL_ISCSI].enable)
459 p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority;
461 if (p_results->arr[DCBX_PROTOCOL_FCOE].update &&
462 p_results->arr[DCBX_PROTOCOL_FCOE].enable)
463 p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority;
465 if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
466 p_results->arr[DCBX_PROTOCOL_ETH].enable)
467 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
469 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
470 "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n",
471 p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe,
476 qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn,
477 struct dcbx_app_priority_feature *p_app,
478 struct dcbx_app_priority_entry *p_tbl,
479 struct qed_dcbx_params *p_params, bool ieee)
481 struct qed_app_entry *entry;
485 p_params->app_willing = QED_MFW_GET_FIELD(p_app->flags,
487 p_params->app_valid = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ENABLED);
488 p_params->app_error = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
489 p_params->num_app_entries = QED_MFW_GET_FIELD(p_app->flags,
490 DCBX_APP_NUM_ENTRIES);
491 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
492 entry = &p_params->app_entry[i];
497 sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry,
500 case DCBX_APP_SF_IEEE_RESERVED:
502 val = QED_MFW_GET_FIELD(p_tbl[i].entry,
504 entry->sf_ieee = val ?
505 QED_DCBX_SF_IEEE_TCP_UDP_PORT :
506 QED_DCBX_SF_IEEE_ETHTYPE;
508 case DCBX_APP_SF_IEEE_ETHTYPE:
509 entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE;
511 case DCBX_APP_SF_IEEE_TCP_PORT:
512 entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT;
514 case DCBX_APP_SF_IEEE_UDP_PORT:
515 entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT;
517 case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
518 entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT;
522 entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry,
526 pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
527 entry->prio = ffs(pri_map) - 1;
528 entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
529 DCBX_APP_PROTOCOL_ID);
530 qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
532 &entry->proto_type, ieee);
535 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
536 "APP params: willing %d, valid %d error = %d\n",
537 p_params->app_willing, p_params->app_valid,
538 p_params->app_error);
542 qed_dcbx_get_pfc_data(struct qed_hwfn *p_hwfn,
543 u32 pfc, struct qed_dcbx_params *p_params)
547 p_params->pfc.willing = QED_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
548 p_params->pfc.max_tc = QED_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
549 p_params->pfc.enabled = QED_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
550 pfc_map = QED_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
551 p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
552 p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
553 p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
554 p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
555 p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
556 p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
557 p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
558 p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
560 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
561 "PFC params: willing %d, pfc_bitmap %d\n",
562 p_params->pfc.willing, pfc_map);
566 qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn,
567 struct dcbx_ets_feature *p_ets,
568 struct qed_dcbx_params *p_params)
570 u32 bw_map[2], tsa_map[2], pri_map;
573 p_params->ets_willing = QED_MFW_GET_FIELD(p_ets->flags,
575 p_params->ets_enabled = QED_MFW_GET_FIELD(p_ets->flags,
577 p_params->ets_cbs = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
578 p_params->max_ets_tc = QED_MFW_GET_FIELD(p_ets->flags,
580 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
581 "ETS params: willing %d, ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
582 p_params->ets_willing,
584 p_ets->pri_tc_tbl[0], p_params->max_ets_tc);
586 /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
587 * encoded in a type u32 array of size 2.
589 bw_map[0] = be32_to_cpu(p_ets->tc_bw_tbl[0]);
590 bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]);
591 tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]);
592 tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]);
593 pri_map = p_ets->pri_tc_tbl[0];
594 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
595 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
596 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
597 p_params->ets_pri_tc_tbl[i] = QED_DCBX_PRIO2TC(pri_map, i);
598 DP_VERBOSE(p_hwfn, QED_MSG_DCB,
599 "elem %d bw_tbl %x tsa_tbl %x\n",
600 i, p_params->ets_tc_bw_tbl[i],
601 p_params->ets_tc_tsa_tbl[i]);
606 qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn,
607 struct dcbx_app_priority_feature *p_app,
608 struct dcbx_app_priority_entry *p_tbl,
609 struct dcbx_ets_feature *p_ets,
610 u32 pfc, struct qed_dcbx_params *p_params, bool ieee)
612 qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
613 qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
614 qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
618 qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn,
619 struct qed_ptt *p_ptt, struct qed_dcbx_get *params)
621 struct dcbx_features *p_feat;
623 p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
624 qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
625 p_feat->app.app_pri_tbl, &p_feat->ets,
626 p_feat->pfc, ¶ms->local.params, false);
627 params->local.valid = true;
631 qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn,
632 struct qed_ptt *p_ptt, struct qed_dcbx_get *params)
634 struct dcbx_features *p_feat;
636 p_feat = &p_hwfn->p_dcbx_info->remote.features;
637 qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
638 p_feat->app.app_pri_tbl, &p_feat->ets,
639 p_feat->pfc, ¶ms->remote.params, false);
640 params->remote.valid = true;
644 qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn,
645 struct qed_ptt *p_ptt,
646 struct qed_dcbx_get *params)
648 struct qed_dcbx_operational_params *p_operational;
649 struct qed_dcbx_results *p_results;
650 struct dcbx_features *p_feat;
655 flags = p_hwfn->p_dcbx_info->operational.flags;
657 /* If DCBx version is non zero, then negotiation
658 * was successfuly performed
660 p_operational = ¶ms->operational;
661 enabled = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
662 DCBX_CONFIG_VERSION_DISABLED);
664 p_operational->enabled = enabled;
665 p_operational->valid = false;
669 p_feat = &p_hwfn->p_dcbx_info->operational.features;
670 p_results = &p_hwfn->p_dcbx_info->results;
672 val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
673 DCBX_CONFIG_VERSION_IEEE);
674 p_operational->ieee = val;
675 val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
676 DCBX_CONFIG_VERSION_CEE);
677 p_operational->cee = val;
679 DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Version support: ieee %d, cee %d\n",
680 p_operational->ieee, p_operational->cee);
682 qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
683 p_feat->app.app_pri_tbl, &p_feat->ets,
684 p_feat->pfc, ¶ms->operational.params,
685 p_operational->ieee);
686 qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results);
687 err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
688 p_operational->err = err;
689 p_operational->enabled = enabled;
690 p_operational->valid = true;
694 qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn,
695 struct qed_ptt *p_ptt,
696 struct qed_dcbx_get *params)
698 struct lldp_config_params_s *p_local;
700 p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
702 memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id,
703 ARRAY_SIZE(p_local->local_chassis_id));
704 memcpy(params->lldp_local.local_port_id, p_local->local_port_id,
705 ARRAY_SIZE(p_local->local_port_id));
709 qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn,
710 struct qed_ptt *p_ptt,
711 struct qed_dcbx_get *params)
713 struct lldp_status_params_s *p_remote;
715 p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
717 memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id,
718 ARRAY_SIZE(p_remote->peer_chassis_id));
719 memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
720 ARRAY_SIZE(p_remote->peer_port_id));
724 qed_dcbx_get_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
725 struct qed_dcbx_get *p_params,
726 enum qed_mib_read_type type)
729 case QED_DCBX_REMOTE_MIB:
730 qed_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
732 case QED_DCBX_LOCAL_MIB:
733 qed_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
735 case QED_DCBX_OPERATIONAL_MIB:
736 qed_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
738 case QED_DCBX_REMOTE_LLDP_MIB:
739 qed_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
741 case QED_DCBX_LOCAL_LLDP_MIB:
742 qed_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
745 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
753 qed_dcbx_read_local_lldp_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
755 struct qed_dcbx_mib_meta_data data;
758 memset(&data, 0, sizeof(data));
759 data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
761 data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
762 data.size = sizeof(struct lldp_config_params_s);
763 qed_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
769 qed_dcbx_read_remote_lldp_mib(struct qed_hwfn *p_hwfn,
770 struct qed_ptt *p_ptt,
771 enum qed_mib_read_type type)
773 struct qed_dcbx_mib_meta_data data;
776 memset(&data, 0, sizeof(data));
777 data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
779 data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
780 data.size = sizeof(struct lldp_status_params_s);
781 rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
787 qed_dcbx_read_operational_mib(struct qed_hwfn *p_hwfn,
788 struct qed_ptt *p_ptt,
789 enum qed_mib_read_type type)
791 struct qed_dcbx_mib_meta_data data;
794 memset(&data, 0, sizeof(data));
795 data.addr = p_hwfn->mcp_info->port_addr +
796 offsetof(struct public_port, operational_dcbx_mib);
797 data.mib = &p_hwfn->p_dcbx_info->operational;
798 data.size = sizeof(struct dcbx_mib);
799 rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
805 qed_dcbx_read_remote_mib(struct qed_hwfn *p_hwfn,
806 struct qed_ptt *p_ptt, enum qed_mib_read_type type)
808 struct qed_dcbx_mib_meta_data data;
811 memset(&data, 0, sizeof(data));
812 data.addr = p_hwfn->mcp_info->port_addr +
813 offsetof(struct public_port, remote_dcbx_mib);
814 data.mib = &p_hwfn->p_dcbx_info->remote;
815 data.size = sizeof(struct dcbx_mib);
816 rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
822 qed_dcbx_read_local_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
824 struct qed_dcbx_mib_meta_data data;
827 memset(&data, 0, sizeof(data));
828 data.addr = p_hwfn->mcp_info->port_addr +
829 offsetof(struct public_port, local_admin_dcbx_mib);
830 data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
831 data.size = sizeof(struct dcbx_local_params);
832 qed_memcpy_from(p_hwfn, p_ptt, data.local_admin, data.addr, data.size);
837 static int qed_dcbx_read_mib(struct qed_hwfn *p_hwfn,
838 struct qed_ptt *p_ptt, enum qed_mib_read_type type)
843 case QED_DCBX_OPERATIONAL_MIB:
844 rc = qed_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
846 case QED_DCBX_REMOTE_MIB:
847 rc = qed_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
849 case QED_DCBX_LOCAL_MIB:
850 rc = qed_dcbx_read_local_mib(p_hwfn, p_ptt);
852 case QED_DCBX_REMOTE_LLDP_MIB:
853 rc = qed_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
855 case QED_DCBX_LOCAL_LLDP_MIB:
856 rc = qed_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
859 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
865 void qed_dcbx_aen(struct qed_hwfn *hwfn, u32 mib_type)
867 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
868 void *cookie = hwfn->cdev->ops_cookie;
870 if (cookie && op->dcbx_aen)
871 op->dcbx_aen(cookie, &hwfn->p_dcbx_info->get, mib_type);
875 * Reconfigure QM and invoke PF update ramrod command if operational MIB
876 * change is detected.
879 qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn,
880 struct qed_ptt *p_ptt, enum qed_mib_read_type type)
884 rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type);
888 if (type == QED_DCBX_OPERATIONAL_MIB) {
889 rc = qed_dcbx_process_mib_info(p_hwfn);
891 /* reconfigure tcs of QM queues according
892 * to negotiation results
894 qed_qm_reconf(p_hwfn, p_ptt);
896 /* update storm FW with negotiation results */
897 qed_sp_pf_update(p_hwfn);
900 qed_dcbx_get_params(p_hwfn, p_ptt, &p_hwfn->p_dcbx_info->get, type);
901 qed_dcbx_aen(p_hwfn, type);
906 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn)
910 p_hwfn->p_dcbx_info = kzalloc(sizeof(*p_hwfn->p_dcbx_info), GFP_KERNEL);
911 if (!p_hwfn->p_dcbx_info)
917 void qed_dcbx_info_free(struct qed_hwfn *p_hwfn,
918 struct qed_dcbx_info *p_dcbx_info)
920 kfree(p_hwfn->p_dcbx_info);
923 static void qed_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
924 struct qed_dcbx_results *p_src,
925 enum dcbx_protocol_type type)
927 p_data->dcb_enable_flag = p_src->arr[type].enable;
928 p_data->dcb_priority = p_src->arr[type].priority;
929 p_data->dcb_tc = p_src->arr[type].tc;
932 /* Set pf update ramrod command params */
933 void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
934 struct pf_update_ramrod_data *p_dest)
936 struct protocol_dcb_data *p_dcb_data;
937 bool update_flag = false;
939 p_dest->pf_id = p_src->pf_id;
941 update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update;
942 p_dest->update_fcoe_dcb_data_flag = update_flag;
944 update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update;
945 p_dest->update_roce_dcb_data_flag = update_flag;
946 update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update;
947 p_dest->update_roce_dcb_data_flag = update_flag;
949 update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update;
950 p_dest->update_iscsi_dcb_data_flag = update_flag;
951 update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
952 p_dest->update_eth_dcb_data_flag = update_flag;
954 p_dcb_data = &p_dest->fcoe_dcb_data;
955 qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE);
956 p_dcb_data = &p_dest->roce_dcb_data;
958 if (p_src->arr[DCBX_PROTOCOL_ROCE].update)
959 qed_dcbx_update_protocol_data(p_dcb_data, p_src,
961 if (p_src->arr[DCBX_PROTOCOL_ROCE_V2].update)
962 qed_dcbx_update_protocol_data(p_dcb_data, p_src,
963 DCBX_PROTOCOL_ROCE_V2);
965 p_dcb_data = &p_dest->iscsi_dcb_data;
966 qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI);
967 p_dcb_data = &p_dest->eth_dcb_data;
968 qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
972 static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn,
973 struct qed_dcbx_get *p_get,
974 enum qed_mib_read_type type)
976 struct qed_ptt *p_ptt;
979 if (IS_VF(p_hwfn->cdev))
982 p_ptt = qed_ptt_acquire(p_hwfn);
986 rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type);
990 rc = qed_dcbx_get_params(p_hwfn, p_ptt, p_get, type);
993 qed_ptt_release(p_hwfn, p_ptt);
998 qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn,
999 u32 *pfc, struct qed_dcbx_params *p_params)
1004 if (p_params->pfc.willing)
1005 *pfc |= DCBX_PFC_WILLING_MASK;
1007 *pfc &= ~DCBX_PFC_WILLING_MASK;
1009 if (p_params->pfc.enabled)
1010 *pfc |= DCBX_PFC_ENABLED_MASK;
1012 *pfc &= ~DCBX_PFC_ENABLED_MASK;
1014 *pfc &= ~DCBX_PFC_CAPS_MASK;
1015 *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
1017 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
1018 if (p_params->pfc.prio[i])
1021 *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
1022 *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
1024 DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc);
1028 qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn,
1029 struct dcbx_ets_feature *p_ets,
1030 struct qed_dcbx_params *p_params)
1032 u8 *bw_map, *tsa_map;
1036 if (p_params->ets_willing)
1037 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1039 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1041 if (p_params->ets_cbs)
1042 p_ets->flags |= DCBX_ETS_CBS_MASK;
1044 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1046 if (p_params->ets_enabled)
1047 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1049 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1051 p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1052 p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
1054 bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1055 tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1056 p_ets->pri_tc_tbl[0] = 0;
1057 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
1058 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1059 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1060 /* Copy the priority value to the corresponding 4 bits in the
1061 * traffic class table.
1063 val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1064 p_ets->pri_tc_tbl[0] |= val;
1066 for (i = 0; i < 2; i++) {
1067 p_ets->tc_bw_tbl[i] = cpu_to_be32(p_ets->tc_bw_tbl[i]);
1068 p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]);
1073 qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
1074 struct dcbx_app_priority_feature *p_app,
1075 struct qed_dcbx_params *p_params, bool ieee)
1080 if (p_params->app_willing)
1081 p_app->flags |= DCBX_APP_WILLING_MASK;
1083 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1085 if (p_params->app_valid)
1086 p_app->flags |= DCBX_APP_ENABLED_MASK;
1088 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1090 p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1091 p_app->flags |= (u32)p_params->num_app_entries <<
1092 DCBX_APP_NUM_ENTRIES_SHIFT;
1094 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
1095 entry = &p_app->app_pri_tbl[i].entry;
1098 *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1099 switch (p_params->app_entry[i].sf_ieee) {
1100 case QED_DCBX_SF_IEEE_ETHTYPE:
1101 *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1102 DCBX_APP_SF_IEEE_SHIFT);
1103 *entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
1106 case QED_DCBX_SF_IEEE_TCP_PORT:
1107 *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1108 DCBX_APP_SF_IEEE_SHIFT);
1109 *entry |= ((u32)DCBX_APP_SF_PORT <<
1112 case QED_DCBX_SF_IEEE_UDP_PORT:
1113 *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1114 DCBX_APP_SF_IEEE_SHIFT);
1115 *entry |= ((u32)DCBX_APP_SF_PORT <<
1118 case QED_DCBX_SF_IEEE_TCP_UDP_PORT:
1119 *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1120 DCBX_APP_SF_IEEE_SHIFT);
1121 *entry |= ((u32)DCBX_APP_SF_PORT <<
1126 *entry &= ~DCBX_APP_SF_MASK;
1127 if (p_params->app_entry[i].ethtype)
1128 *entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
1131 *entry |= ((u32)DCBX_APP_SF_PORT <<
1135 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1136 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1137 DCBX_APP_PROTOCOL_ID_SHIFT);
1138 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1139 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1140 DCBX_APP_PRI_MAP_SHIFT);
1145 qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn,
1146 struct dcbx_local_params *local_admin,
1147 struct qed_dcbx_set *params)
1151 local_admin->flags = 0;
1152 memcpy(&local_admin->features,
1153 &p_hwfn->p_dcbx_info->operational.features,
1154 sizeof(local_admin->features));
1156 if (params->enabled) {
1157 local_admin->config = params->ver_num;
1158 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1160 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1163 if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG)
1164 qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1165 ¶ms->config.params);
1167 if (params->override_flags & QED_DCBX_OVERRIDE_ETS_CFG)
1168 qed_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1169 ¶ms->config.params);
1171 if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG)
1172 qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1173 ¶ms->config.params, ieee);
1176 int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
1177 struct qed_dcbx_set *params, bool hw_commit)
1179 struct dcbx_local_params local_admin;
1180 struct qed_dcbx_mib_meta_data data;
1181 u32 resp = 0, param = 0;
1185 memcpy(&p_hwfn->p_dcbx_info->set, params,
1186 sizeof(struct qed_dcbx_set));
1190 /* clear set-parmas cache */
1191 memset(&p_hwfn->p_dcbx_info->set, 0, sizeof(p_hwfn->p_dcbx_info->set));
1193 memset(&local_admin, 0, sizeof(local_admin));
1194 qed_dcbx_set_local_params(p_hwfn, &local_admin, params);
1196 data.addr = p_hwfn->mcp_info->port_addr +
1197 offsetof(struct public_port, local_admin_dcbx_mib);
1198 data.local_admin = &local_admin;
1199 data.size = sizeof(struct dcbx_local_params);
1200 qed_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1202 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1203 1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, ¶m);
1205 DP_NOTICE(p_hwfn, "Failed to send DCBX update request\n");
1210 int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
1211 struct qed_dcbx_set *params)
1213 struct qed_dcbx_get *dcbx_info;
1216 if (p_hwfn->p_dcbx_info->set.config.valid) {
1217 memcpy(params, &p_hwfn->p_dcbx_info->set,
1218 sizeof(struct qed_dcbx_set));
1222 dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
1226 memset(dcbx_info, 0, sizeof(*dcbx_info));
1227 rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB);
1233 p_hwfn->p_dcbx_info->set.override_flags = 0;
1234 p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1235 if (dcbx_info->operational.cee)
1236 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1237 if (dcbx_info->operational.ieee)
1238 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1240 p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1241 memcpy(&p_hwfn->p_dcbx_info->set.config.params,
1242 &dcbx_info->operational.params,
1243 sizeof(struct qed_dcbx_admin_params));
1244 p_hwfn->p_dcbx_info->set.config.valid = true;
1246 memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set));
1253 static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn,
1254 enum qed_mib_read_type type)
1256 struct qed_dcbx_get *dcbx_info;
1258 dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
1262 memset(dcbx_info, 0, sizeof(*dcbx_info));
1263 if (qed_dcbx_query_params(hwfn, dcbx_info, type)) {
1268 if ((type == QED_DCBX_OPERATIONAL_MIB) &&
1269 !dcbx_info->operational.enabled) {
1270 DP_INFO(hwfn, "DCBX is not enabled/operational\n");
1278 static u8 qed_dcbnl_getstate(struct qed_dev *cdev)
1280 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1281 struct qed_dcbx_get *dcbx_info;
1284 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1288 enabled = dcbx_info->operational.enabled;
1289 DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", enabled);
1295 static u8 qed_dcbnl_setstate(struct qed_dev *cdev, u8 state)
1297 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1298 struct qed_dcbx_set dcbx_set;
1299 struct qed_ptt *ptt;
1302 DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", state);
1304 memset(&dcbx_set, 0, sizeof(dcbx_set));
1305 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1309 dcbx_set.enabled = !!state;
1311 ptt = qed_ptt_acquire(hwfn);
1315 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1317 qed_ptt_release(hwfn, ptt);
1322 static void qed_dcbnl_getpgtccfgtx(struct qed_dev *cdev, int tc, u8 *prio_type,
1323 u8 *pgid, u8 *bw_pct, u8 *up_map)
1325 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1326 struct qed_dcbx_get *dcbx_info;
1328 DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d\n", tc);
1329 *prio_type = *pgid = *bw_pct = *up_map = 0;
1330 if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) {
1331 DP_INFO(hwfn, "Invalid tc %d\n", tc);
1335 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1339 *pgid = dcbx_info->operational.params.ets_pri_tc_tbl[tc];
1343 static void qed_dcbnl_getpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 *bw_pct)
1345 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1346 struct qed_dcbx_get *dcbx_info;
1349 DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d\n", pgid);
1350 if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) {
1351 DP_INFO(hwfn, "Invalid pgid %d\n", pgid);
1355 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1359 *bw_pct = dcbx_info->operational.params.ets_tc_bw_tbl[pgid];
1360 DP_VERBOSE(hwfn, QED_MSG_DCB, "bw_pct = %d\n", *bw_pct);
1364 static void qed_dcbnl_getpgtccfgrx(struct qed_dev *cdev, int tc, u8 *prio,
1365 u8 *bwg_id, u8 *bw_pct, u8 *up_map)
1367 DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1368 *prio = *bwg_id = *bw_pct = *up_map = 0;
1371 static void qed_dcbnl_getpgbwgcfgrx(struct qed_dev *cdev,
1372 int bwg_id, u8 *bw_pct)
1374 DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1378 static void qed_dcbnl_getpfccfg(struct qed_dev *cdev,
1379 int priority, u8 *setting)
1381 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1382 struct qed_dcbx_get *dcbx_info;
1384 DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d\n", priority);
1385 if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) {
1386 DP_INFO(hwfn, "Invalid priority %d\n", priority);
1390 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1394 *setting = dcbx_info->operational.params.pfc.prio[priority];
1395 DP_VERBOSE(hwfn, QED_MSG_DCB, "setting = %d\n", *setting);
1399 static void qed_dcbnl_setpfccfg(struct qed_dev *cdev, int priority, u8 setting)
1401 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1402 struct qed_dcbx_set dcbx_set;
1403 struct qed_ptt *ptt;
1406 DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d setting = %d\n",
1408 if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) {
1409 DP_INFO(hwfn, "Invalid priority %d\n", priority);
1413 memset(&dcbx_set, 0, sizeof(dcbx_set));
1414 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1418 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1419 dcbx_set.config.params.pfc.prio[priority] = !!setting;
1421 ptt = qed_ptt_acquire(hwfn);
1425 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1427 qed_ptt_release(hwfn, ptt);
1430 static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap)
1432 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1433 struct qed_dcbx_get *dcbx_info;
1436 DP_VERBOSE(hwfn, QED_MSG_DCB, "capid = %d\n", capid);
1437 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1442 case DCB_CAP_ATTR_PG:
1443 case DCB_CAP_ATTR_PFC:
1444 case DCB_CAP_ATTR_UP2TC:
1445 case DCB_CAP_ATTR_GSP:
1448 case DCB_CAP_ATTR_PG_TCS:
1449 case DCB_CAP_ATTR_PFC_TCS:
1452 case DCB_CAP_ATTR_DCBX:
1453 *cap = (DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE |
1454 DCB_CAP_DCBX_VER_IEEE);
1461 DP_VERBOSE(hwfn, QED_MSG_DCB, "id = %d caps = %d\n", capid, *cap);
1467 static int qed_dcbnl_getnumtcs(struct qed_dev *cdev, int tcid, u8 *num)
1469 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1470 struct qed_dcbx_get *dcbx_info;
1473 DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d\n", tcid);
1474 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1479 case DCB_NUMTCS_ATTR_PG:
1480 *num = dcbx_info->operational.params.max_ets_tc;
1482 case DCB_NUMTCS_ATTR_PFC:
1483 *num = dcbx_info->operational.params.pfc.max_tc;
1490 DP_VERBOSE(hwfn, QED_MSG_DCB, "numtcs = %d\n", *num);
1495 static u8 qed_dcbnl_getpfcstate(struct qed_dev *cdev)
1497 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1498 struct qed_dcbx_get *dcbx_info;
1501 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1505 enabled = dcbx_info->operational.params.pfc.enabled;
1506 DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d\n", enabled);
1512 static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev)
1514 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1515 struct qed_dcbx_get *dcbx_info;
1518 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1522 if (dcbx_info->operational.enabled)
1523 mode |= DCB_CAP_DCBX_LLD_MANAGED;
1524 if (dcbx_info->operational.ieee)
1525 mode |= DCB_CAP_DCBX_VER_IEEE;
1526 if (dcbx_info->operational.cee)
1527 mode |= DCB_CAP_DCBX_VER_CEE;
1529 DP_VERBOSE(hwfn, QED_MSG_DCB, "dcb mode = %d\n", mode);
1535 static void qed_dcbnl_setpgtccfgtx(struct qed_dev *cdev,
1537 u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map)
1539 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1540 struct qed_dcbx_set dcbx_set;
1541 struct qed_ptt *ptt;
1544 DP_VERBOSE(hwfn, QED_MSG_DCB,
1545 "tc = %d pri_type = %d pgid = %d bw_pct = %d up_map = %d\n",
1546 tc, pri_type, pgid, bw_pct, up_map);
1548 if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) {
1549 DP_INFO(hwfn, "Invalid tc %d\n", tc);
1553 memset(&dcbx_set, 0, sizeof(dcbx_set));
1554 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1558 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1559 dcbx_set.config.params.ets_pri_tc_tbl[tc] = pgid;
1561 ptt = qed_ptt_acquire(hwfn);
1565 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1567 qed_ptt_release(hwfn, ptt);
1570 static void qed_dcbnl_setpgtccfgrx(struct qed_dev *cdev, int prio,
1571 u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map)
1573 DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1576 static void qed_dcbnl_setpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 bw_pct)
1578 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1579 struct qed_dcbx_set dcbx_set;
1580 struct qed_ptt *ptt;
1583 DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d bw_pct = %d\n", pgid, bw_pct);
1584 if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) {
1585 DP_INFO(hwfn, "Invalid pgid %d\n", pgid);
1589 memset(&dcbx_set, 0, sizeof(dcbx_set));
1590 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1594 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1595 dcbx_set.config.params.ets_tc_bw_tbl[pgid] = bw_pct;
1597 ptt = qed_ptt_acquire(hwfn);
1601 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1603 qed_ptt_release(hwfn, ptt);
1606 static void qed_dcbnl_setpgbwgcfgrx(struct qed_dev *cdev, int pgid, u8 bw_pct)
1608 DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
1611 static u8 qed_dcbnl_setall(struct qed_dev *cdev)
1613 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1614 struct qed_dcbx_set dcbx_set;
1615 struct qed_ptt *ptt;
1618 memset(&dcbx_set, 0, sizeof(dcbx_set));
1619 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1623 ptt = qed_ptt_acquire(hwfn);
1627 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 1);
1629 qed_ptt_release(hwfn, ptt);
1634 static int qed_dcbnl_setnumtcs(struct qed_dev *cdev, int tcid, u8 num)
1636 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1637 struct qed_dcbx_set dcbx_set;
1638 struct qed_ptt *ptt;
1641 DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d num = %d\n", tcid, num);
1642 memset(&dcbx_set, 0, sizeof(dcbx_set));
1643 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1648 case DCB_NUMTCS_ATTR_PG:
1649 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1650 dcbx_set.config.params.max_ets_tc = num;
1652 case DCB_NUMTCS_ATTR_PFC:
1653 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1654 dcbx_set.config.params.pfc.max_tc = num;
1657 DP_INFO(hwfn, "Invalid tcid %d\n", tcid);
1661 ptt = qed_ptt_acquire(hwfn);
1665 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1667 qed_ptt_release(hwfn, ptt);
1672 static void qed_dcbnl_setpfcstate(struct qed_dev *cdev, u8 state)
1674 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1675 struct qed_dcbx_set dcbx_set;
1676 struct qed_ptt *ptt;
1679 DP_VERBOSE(hwfn, QED_MSG_DCB, "new state = %d\n", state);
1681 memset(&dcbx_set, 0, sizeof(dcbx_set));
1682 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1686 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1687 dcbx_set.config.params.pfc.enabled = !!state;
1689 ptt = qed_ptt_acquire(hwfn);
1693 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1695 qed_ptt_release(hwfn, ptt);
1698 static int qed_dcbnl_getapp(struct qed_dev *cdev, u8 idtype, u16 idval)
1700 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1701 struct qed_dcbx_get *dcbx_info;
1702 struct qed_app_entry *entry;
1707 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1711 ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE);
1712 for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
1713 entry = &dcbx_info->operational.params.app_entry[i];
1714 if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) {
1720 if (i == QED_DCBX_MAX_APP_PROTOCOL) {
1721 DP_ERR(cdev, "App entry (%d, %d) not found\n", idtype, idval);
1731 static int qed_dcbnl_setapp(struct qed_dev *cdev,
1732 u8 idtype, u16 idval, u8 pri_map)
1734 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1735 struct qed_dcbx_set dcbx_set;
1736 struct qed_app_entry *entry;
1737 struct qed_ptt *ptt;
1741 memset(&dcbx_set, 0, sizeof(dcbx_set));
1742 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1746 ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE);
1747 for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
1748 entry = &dcbx_set.config.params.app_entry[i];
1749 if ((entry->ethtype == ethtype) && (entry->proto_id == idval))
1751 /* First empty slot */
1752 if (!entry->proto_id) {
1753 dcbx_set.config.params.num_app_entries++;
1758 if (i == QED_DCBX_MAX_APP_PROTOCOL) {
1759 DP_ERR(cdev, "App table is full\n");
1763 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
1764 dcbx_set.config.params.app_entry[i].ethtype = ethtype;
1765 dcbx_set.config.params.app_entry[i].proto_id = idval;
1766 dcbx_set.config.params.app_entry[i].prio = pri_map;
1768 ptt = qed_ptt_acquire(hwfn);
1772 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1774 qed_ptt_release(hwfn, ptt);
1779 static u8 qed_dcbnl_setdcbx(struct qed_dev *cdev, u8 mode)
1781 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1782 struct qed_dcbx_set dcbx_set;
1783 struct qed_ptt *ptt;
1786 DP_VERBOSE(hwfn, QED_MSG_DCB, "new mode = %x\n", mode);
1788 if (!(mode & DCB_CAP_DCBX_VER_IEEE) && !(mode & DCB_CAP_DCBX_VER_CEE)) {
1789 DP_INFO(hwfn, "Allowed mode is cee, ieee or both\n");
1793 memset(&dcbx_set, 0, sizeof(dcbx_set));
1794 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1798 dcbx_set.ver_num = 0;
1799 if (mode & DCB_CAP_DCBX_VER_CEE) {
1800 dcbx_set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1801 dcbx_set.enabled = true;
1804 if (mode & DCB_CAP_DCBX_VER_IEEE) {
1805 dcbx_set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1806 dcbx_set.enabled = true;
1809 ptt = qed_ptt_acquire(hwfn);
1813 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1815 qed_ptt_release(hwfn, ptt);
1820 static u8 qed_dcbnl_getfeatcfg(struct qed_dev *cdev, int featid, u8 *flags)
1822 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1823 struct qed_dcbx_get *dcbx_info;
1825 DP_VERBOSE(hwfn, QED_MSG_DCB, "Feature id = %d\n", featid);
1826 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
1832 case DCB_FEATCFG_ATTR_PG:
1833 if (dcbx_info->operational.params.ets_enabled)
1834 *flags = DCB_FEATCFG_ENABLE;
1836 *flags = DCB_FEATCFG_ERROR;
1838 case DCB_FEATCFG_ATTR_PFC:
1839 if (dcbx_info->operational.params.pfc.enabled)
1840 *flags = DCB_FEATCFG_ENABLE;
1842 *flags = DCB_FEATCFG_ERROR;
1844 case DCB_FEATCFG_ATTR_APP:
1845 if (dcbx_info->operational.params.app_valid)
1846 *flags = DCB_FEATCFG_ENABLE;
1848 *flags = DCB_FEATCFG_ERROR;
1851 DP_INFO(hwfn, "Invalid feature-ID %d\n", featid);
1856 DP_VERBOSE(hwfn, QED_MSG_DCB, "flags = %d\n", *flags);
1862 static u8 qed_dcbnl_setfeatcfg(struct qed_dev *cdev, int featid, u8 flags)
1864 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1865 struct qed_dcbx_set dcbx_set;
1866 bool enabled, willing;
1867 struct qed_ptt *ptt;
1870 DP_VERBOSE(hwfn, QED_MSG_DCB, "featid = %d flags = %d\n",
1872 memset(&dcbx_set, 0, sizeof(dcbx_set));
1873 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
1877 enabled = !!(flags & DCB_FEATCFG_ENABLE);
1878 willing = !!(flags & DCB_FEATCFG_WILLING);
1880 case DCB_FEATCFG_ATTR_PG:
1881 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
1882 dcbx_set.config.params.ets_enabled = enabled;
1883 dcbx_set.config.params.ets_willing = willing;
1885 case DCB_FEATCFG_ATTR_PFC:
1886 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
1887 dcbx_set.config.params.pfc.enabled = enabled;
1888 dcbx_set.config.params.pfc.willing = willing;
1890 case DCB_FEATCFG_ATTR_APP:
1891 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
1892 dcbx_set.config.params.app_willing = willing;
1895 DP_INFO(hwfn, "Invalid feature-ID %d\n", featid);
1899 ptt = qed_ptt_acquire(hwfn);
1903 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
1905 qed_ptt_release(hwfn, ptt);
1910 static int qed_dcbnl_peer_getappinfo(struct qed_dev *cdev,
1911 struct dcb_peer_app_info *info,
1914 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1915 struct qed_dcbx_get *dcbx_info;
1917 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1921 info->willing = dcbx_info->remote.params.app_willing;
1922 info->error = dcbx_info->remote.params.app_error;
1923 *app_count = dcbx_info->remote.params.num_app_entries;
1929 static int qed_dcbnl_peer_getapptable(struct qed_dev *cdev,
1930 struct dcb_app *table)
1932 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1933 struct qed_dcbx_get *dcbx_info;
1936 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1940 for (i = 0; i < dcbx_info->remote.params.num_app_entries; i++) {
1941 if (dcbx_info->remote.params.app_entry[i].ethtype)
1942 table[i].selector = DCB_APP_IDTYPE_ETHTYPE;
1944 table[i].selector = DCB_APP_IDTYPE_PORTNUM;
1945 table[i].priority = dcbx_info->remote.params.app_entry[i].prio;
1947 dcbx_info->remote.params.app_entry[i].proto_id;
1955 static int qed_dcbnl_cee_peer_getpfc(struct qed_dev *cdev, struct cee_pfc *pfc)
1957 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1958 struct qed_dcbx_get *dcbx_info;
1961 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1965 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
1966 if (dcbx_info->remote.params.pfc.prio[i])
1967 pfc->pfc_en |= BIT(i);
1969 pfc->tcs_supported = dcbx_info->remote.params.pfc.max_tc;
1970 DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d tcs_supported = %d\n",
1971 pfc->pfc_en, pfc->tcs_supported);
1977 static int qed_dcbnl_cee_peer_getpg(struct qed_dev *cdev, struct cee_pg *pg)
1979 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1980 struct qed_dcbx_get *dcbx_info;
1983 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
1987 pg->willing = dcbx_info->remote.params.ets_willing;
1988 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
1989 pg->pg_bw[i] = dcbx_info->remote.params.ets_tc_bw_tbl[i];
1990 pg->prio_pg[i] = dcbx_info->remote.params.ets_pri_tc_tbl[i];
1993 DP_VERBOSE(hwfn, QED_MSG_DCB, "willing = %d", pg->willing);
1999 static int qed_dcbnl_get_ieee_pfc(struct qed_dev *cdev,
2000 struct ieee_pfc *pfc, bool remote)
2002 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2003 struct qed_dcbx_params *params;
2004 struct qed_dcbx_get *dcbx_info;
2007 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2011 if (!dcbx_info->operational.ieee) {
2012 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2018 memset(dcbx_info, 0, sizeof(*dcbx_info));
2019 rc = qed_dcbx_query_params(hwfn, dcbx_info,
2020 QED_DCBX_REMOTE_MIB);
2026 params = &dcbx_info->remote.params;
2028 params = &dcbx_info->operational.params;
2031 pfc->pfc_cap = params->pfc.max_tc;
2033 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
2034 if (params->pfc.prio[i])
2035 pfc->pfc_en |= BIT(i);
2042 static int qed_dcbnl_ieee_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
2044 return qed_dcbnl_get_ieee_pfc(cdev, pfc, false);
2047 static int qed_dcbnl_ieee_setpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
2049 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2050 struct qed_dcbx_get *dcbx_info;
2051 struct qed_dcbx_set dcbx_set;
2052 struct qed_ptt *ptt;
2055 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2059 if (!dcbx_info->operational.ieee) {
2060 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2067 memset(&dcbx_set, 0, sizeof(dcbx_set));
2068 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
2072 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
2073 for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
2074 dcbx_set.config.params.pfc.prio[i] = !!(pfc->pfc_en & BIT(i));
2076 ptt = qed_ptt_acquire(hwfn);
2080 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
2082 qed_ptt_release(hwfn, ptt);
2087 static int qed_dcbnl_get_ieee_ets(struct qed_dev *cdev,
2088 struct ieee_ets *ets, bool remote)
2090 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2091 struct qed_dcbx_get *dcbx_info;
2092 struct qed_dcbx_params *params;
2095 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2099 if (!dcbx_info->operational.ieee) {
2100 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2106 memset(dcbx_info, 0, sizeof(*dcbx_info));
2107 rc = qed_dcbx_query_params(hwfn, dcbx_info,
2108 QED_DCBX_REMOTE_MIB);
2114 params = &dcbx_info->remote.params;
2116 params = &dcbx_info->operational.params;
2119 ets->ets_cap = params->max_ets_tc;
2120 ets->willing = params->ets_willing;
2121 ets->cbs = params->ets_cbs;
2122 memcpy(ets->tc_tx_bw, params->ets_tc_bw_tbl, sizeof(ets->tc_tx_bw));
2123 memcpy(ets->tc_tsa, params->ets_tc_tsa_tbl, sizeof(ets->tc_tsa));
2124 memcpy(ets->prio_tc, params->ets_pri_tc_tbl, sizeof(ets->prio_tc));
2130 static int qed_dcbnl_ieee_getets(struct qed_dev *cdev, struct ieee_ets *ets)
2132 return qed_dcbnl_get_ieee_ets(cdev, ets, false);
2135 static int qed_dcbnl_ieee_setets(struct qed_dev *cdev, struct ieee_ets *ets)
2137 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2138 struct qed_dcbx_get *dcbx_info;
2139 struct qed_dcbx_set dcbx_set;
2140 struct qed_ptt *ptt;
2143 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2147 if (!dcbx_info->operational.ieee) {
2148 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2155 memset(&dcbx_set, 0, sizeof(dcbx_set));
2156 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
2160 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
2161 dcbx_set.config.params.max_ets_tc = ets->ets_cap;
2162 dcbx_set.config.params.ets_willing = ets->willing;
2163 dcbx_set.config.params.ets_cbs = ets->cbs;
2164 memcpy(dcbx_set.config.params.ets_tc_bw_tbl, ets->tc_tx_bw,
2165 sizeof(ets->tc_tx_bw));
2166 memcpy(dcbx_set.config.params.ets_tc_tsa_tbl, ets->tc_tsa,
2167 sizeof(ets->tc_tsa));
2168 memcpy(dcbx_set.config.params.ets_pri_tc_tbl, ets->prio_tc,
2169 sizeof(ets->prio_tc));
2171 ptt = qed_ptt_acquire(hwfn);
2175 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
2177 qed_ptt_release(hwfn, ptt);
2183 qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets)
2185 return qed_dcbnl_get_ieee_ets(cdev, ets, true);
2189 qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
2191 return qed_dcbnl_get_ieee_pfc(cdev, pfc, true);
2194 static int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app)
2196 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2197 struct qed_dcbx_get *dcbx_info;
2198 struct qed_app_entry *entry;
2203 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2207 if (!dcbx_info->operational.ieee) {
2208 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2213 /* ieee defines the selector field value for ethertype to be 1 */
2214 ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
2215 for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
2216 entry = &dcbx_info->operational.params.app_entry[i];
2217 if ((entry->ethtype == ethtype) &&
2218 (entry->proto_id == app->protocol)) {
2224 if (i == QED_DCBX_MAX_APP_PROTOCOL) {
2225 DP_ERR(cdev, "App entry (%d, %d) not found\n", app->selector,
2231 app->priority = ffs(prio) - 1;
2238 static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
2240 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2241 struct qed_dcbx_get *dcbx_info;
2242 struct qed_dcbx_set dcbx_set;
2243 struct qed_app_entry *entry;
2244 struct qed_ptt *ptt;
2248 if (app->priority < 0 || app->priority >= QED_MAX_PFC_PRIORITIES) {
2249 DP_INFO(hwfn, "Invalid priority %d\n", app->priority);
2253 dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
2257 if (!dcbx_info->operational.ieee) {
2258 DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
2265 memset(&dcbx_set, 0, sizeof(dcbx_set));
2266 rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
2270 /* ieee defines the selector field value for ethertype to be 1 */
2271 ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
2272 for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
2273 entry = &dcbx_set.config.params.app_entry[i];
2274 if ((entry->ethtype == ethtype) &&
2275 (entry->proto_id == app->protocol))
2277 /* First empty slot */
2278 if (!entry->proto_id) {
2279 dcbx_set.config.params.num_app_entries++;
2284 if (i == QED_DCBX_MAX_APP_PROTOCOL) {
2285 DP_ERR(cdev, "App table is full\n");
2289 dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
2290 dcbx_set.config.params.app_entry[i].ethtype = ethtype;
2291 dcbx_set.config.params.app_entry[i].proto_id = app->protocol;
2292 dcbx_set.config.params.app_entry[i].prio = BIT(app->priority);
2294 ptt = qed_ptt_acquire(hwfn);
2298 rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
2300 qed_ptt_release(hwfn, ptt);
2305 const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass = {
2306 .getstate = qed_dcbnl_getstate,
2307 .setstate = qed_dcbnl_setstate,
2308 .getpgtccfgtx = qed_dcbnl_getpgtccfgtx,
2309 .getpgbwgcfgtx = qed_dcbnl_getpgbwgcfgtx,
2310 .getpgtccfgrx = qed_dcbnl_getpgtccfgrx,
2311 .getpgbwgcfgrx = qed_dcbnl_getpgbwgcfgrx,
2312 .getpfccfg = qed_dcbnl_getpfccfg,
2313 .setpfccfg = qed_dcbnl_setpfccfg,
2314 .getcap = qed_dcbnl_getcap,
2315 .getnumtcs = qed_dcbnl_getnumtcs,
2316 .getpfcstate = qed_dcbnl_getpfcstate,
2317 .getdcbx = qed_dcbnl_getdcbx,
2318 .setpgtccfgtx = qed_dcbnl_setpgtccfgtx,
2319 .setpgtccfgrx = qed_dcbnl_setpgtccfgrx,
2320 .setpgbwgcfgtx = qed_dcbnl_setpgbwgcfgtx,
2321 .setpgbwgcfgrx = qed_dcbnl_setpgbwgcfgrx,
2322 .setall = qed_dcbnl_setall,
2323 .setnumtcs = qed_dcbnl_setnumtcs,
2324 .setpfcstate = qed_dcbnl_setpfcstate,
2325 .setapp = qed_dcbnl_setapp,
2326 .setdcbx = qed_dcbnl_setdcbx,
2327 .setfeatcfg = qed_dcbnl_setfeatcfg,
2328 .getfeatcfg = qed_dcbnl_getfeatcfg,
2329 .getapp = qed_dcbnl_getapp,
2330 .peer_getappinfo = qed_dcbnl_peer_getappinfo,
2331 .peer_getapptable = qed_dcbnl_peer_getapptable,
2332 .cee_peer_getpfc = qed_dcbnl_cee_peer_getpfc,
2333 .cee_peer_getpg = qed_dcbnl_cee_peer_getpg,
2334 .ieee_getpfc = qed_dcbnl_ieee_getpfc,
2335 .ieee_setpfc = qed_dcbnl_ieee_setpfc,
2336 .ieee_getets = qed_dcbnl_ieee_getets,
2337 .ieee_setets = qed_dcbnl_ieee_setets,
2338 .ieee_peer_getpfc = qed_dcbnl_ieee_peer_getpfc,
2339 .ieee_peer_getets = qed_dcbnl_ieee_peer_getets,
2340 .ieee_getapp = qed_dcbnl_ieee_getapp,
2341 .ieee_setapp = qed_dcbnl_ieee_setapp,