net/qede/base: add UDP ports in bulletin board message
[dpdk.git] / drivers / net / qede / base / ecore_dcbx.c
1 /*
2  * Copyright (c) 2016 QLogic Corporation.
3  * All rights reserved.
4  * www.qlogic.com
5  *
6  * See LICENSE.qede_pmd for copyright and licensing details.
7  */
8
9 #include "bcm_osal.h"
10 #include "ecore.h"
11 #include "ecore_sp_commands.h"
12 #include "ecore_dcbx.h"
13 #include "ecore_cxt.h"
14 #include "ecore_gtt_reg_addr.h"
15 #include "ecore_iro.h"
16 #include "ecore_iov_api.h"
17
18 #define ECORE_DCBX_MAX_MIB_READ_TRY     (100)
19 #define ECORE_ETH_TYPE_DEFAULT          (0)
20
21 #define ECORE_DCBX_INVALID_PRIORITY     0xFF
22
23 /* Get Traffic Class from priority traffic class table, 4 bits represent
24  * the traffic class corresponding to the priority.
25  */
26 #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
27                 ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
28
29 static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
30 {
31         return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
32                   DCBX_APP_SF_ETHTYPE);
33 }
34
35 static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
36 {
37         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
38
39         /* Old MFW */
40         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
41                 return ecore_dcbx_app_ethtype(app_info_bitmap);
42
43         return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
44 }
45
46 static bool ecore_dcbx_app_port(u32 app_info_bitmap)
47 {
48         return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
49                   DCBX_APP_SF_PORT);
50 }
51
52 static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
53 {
54         u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
55
56         /* Old MFW */
57         if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
58                 return ecore_dcbx_app_port(app_info_bitmap);
59
60         return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
61 }
62
63 static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
64 {
65         bool ethtype;
66
67         if (ieee)
68                 ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
69         else
70                 ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
71
72         return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
73 }
74
75 static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap,
76                                  u16 proto_id, bool ieee)
77 {
78         bool port;
79
80         if (!p_hwfn->p_dcbx_info->iwarp_port)
81                 return false;
82
83         if (ieee)
84                 port = ecore_dcbx_ieee_app_port(app_info_bitmap,
85                                                 DCBX_APP_SF_IEEE_TCP_PORT);
86         else
87                 port = ecore_dcbx_app_port(app_info_bitmap);
88
89         return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port));
90 }
91
92 static void
93 ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
94                        struct ecore_dcbx_results *p_data)
95 {
96         enum dcbx_protocol_type id;
97         int i;
98
99         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
100                    p_data->dcbx_enabled);
101
102         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
103                 id = ecore_dcbx_app_update[i].id;
104
105                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
106                            "%s info: update %d, enable %d, prio %d, tc %d,"
107                            " num_active_tc %d dscp_enable = %d dscp_val = %d\n",
108                            ecore_dcbx_app_update[i].name,
109                            p_data->arr[id].update,
110                            p_data->arr[id].enable, p_data->arr[id].priority,
111                            p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
112                            p_data->arr[id].dscp_enable,
113                            p_data->arr[id].dscp_val);
114         }
115 }
116
117 void
118 ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
119                       struct ecore_hwfn *p_hwfn,
120                       bool enable, u8 prio, u8 tc,
121                       enum dcbx_protocol_type type,
122                       enum ecore_pci_personality personality)
123 {
124         struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
125
126         /* PF update ramrod data */
127         p_data->arr[type].enable = enable;
128         p_data->arr[type].priority = prio;
129         p_data->arr[type].tc = tc;
130         p_data->arr[type].dscp_enable = dscp->enabled;
131         if (p_data->arr[type].dscp_enable) {
132                 u8 i;
133
134                 for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
135                         if (prio == dscp->dscp_pri_map[i]) {
136                                 p_data->arr[type].dscp_val = i;
137                                 break;
138                         }
139         }
140
141         if (enable && p_data->arr[type].dscp_enable)
142                 p_data->arr[type].update = UPDATE_DCB_DSCP;
143         else if (enable)
144                 p_data->arr[type].update = UPDATE_DCB;
145         else
146                 p_data->arr[type].update = DONT_UPDATE_DCB_DSCP;
147
148         /* QM reconf data */
149         if (p_hwfn->hw_info.personality == personality)
150                 p_hwfn->hw_info.offload_tc = tc;
151 }
152
153 /* Update app protocol data and hw_info fields with the TLV info */
154 static void
155 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
156                            struct ecore_hwfn *p_hwfn,
157                            bool enable, u8 prio, u8 tc,
158                            enum dcbx_protocol_type type)
159 {
160         enum ecore_pci_personality personality;
161         enum dcbx_protocol_type id;
162         const char *name;       /* @DPDK */
163         int i;
164
165         for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
166                 id = ecore_dcbx_app_update[i].id;
167
168                 if (type != id)
169                         continue;
170
171                 personality = ecore_dcbx_app_update[i].personality;
172                 name = ecore_dcbx_app_update[i].name;
173
174                 ecore_dcbx_set_params(p_data, p_hwfn, enable,
175                                       prio, tc, type, personality);
176         }
177 }
178
179 static enum _ecore_status_t
180 ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
181 {
182         u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
183         u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
184         enum _ecore_status_t rc = ECORE_SUCCESS;
185
186         /* Bitmap 1 corresponds to priority 0, return priority 0 */
187         if (pri_bitmap == 1) {
188                 *priority = 0;
189                 return rc;
190         }
191
192         /* Choose the highest priority */
193         while ((pri == ECORE_MAX_PFC_PRIORITIES) && index) {
194                 pri_mask = 1 << index;
195                 if (pri_bitmap & pri_mask)
196                         pri = index;
197                 index--;
198         }
199
200         if (pri < ECORE_MAX_PFC_PRIORITIES)
201                 *priority = (u8)pri;
202         else
203                 rc = ECORE_INVAL;
204
205         return rc;
206 }
207
208 static bool
209 ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
210                                  u32 app_prio_bitmap, u16 id,
211                                  enum dcbx_protocol_type *type, bool ieee)
212 {
213         if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
214                 *type = DCBX_PROTOCOL_ETH;
215         } else {
216                 *type = DCBX_MAX_PROTOCOL_TYPE;
217                 DP_ERR(p_hwfn,
218                        "No action required, App TLV id = 0x%x"
219                        " app_prio_bitmap = 0x%x\n",
220                        id, app_prio_bitmap);
221                 return false;
222         }
223
224         return true;
225 }
226
227 /*  Parse app TLV's to update TC information in hw_info structure for
228  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
229  */
230 static enum _ecore_status_t
231 ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn,
232                        struct ecore_dcbx_results *p_data,
233                        struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
234                        int count, u8 dcbx_version)
235 {
236         enum dcbx_protocol_type type;
237         u8 tc, priority_map;
238         bool enable, ieee;
239         u16 protocol_id;
240         u8 priority;
241         enum _ecore_status_t rc = ECORE_SUCCESS;
242         int i;
243
244         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
245                    "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
246                    count, pri_tc_tbl, dcbx_version);
247
248         ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
249         /* Parse APP TLV */
250         for (i = 0; i < count; i++) {
251                 protocol_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
252                                                   DCBX_APP_PROTOCOL_ID);
253                 priority_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
254                                                    DCBX_APP_PRI_MAP);
255                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
256                            protocol_id, priority_map);
257                 rc = ecore_dcbx_get_app_priority(priority_map, &priority);
258                 if (rc == ECORE_INVAL) {
259                         DP_ERR(p_hwfn, "Invalid priority\n");
260                         return ECORE_INVAL;
261                 }
262
263                 tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
264                 if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
265                                                      protocol_id, &type,
266                                                      ieee)) {
267                         /* ETH always have the enable bit reset, as it gets
268                          * vlan information per packet. For other protocols,
269                          * should be set according to the dcbx_enabled
270                          * indication, but we only got here if there was an
271                          * app tlv for the protocol, so dcbx must be enabled.
272                          */
273                         enable = !(type == DCBX_PROTOCOL_ETH);
274
275                         ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
276                                                    priority, tc, type);
277                 }
278         }
279         /* Update ramrod protocol data and hw_info fields
280          * with default info when corresponding APP TLV's are not detected.
281          * The enabled field has a different logic for ethernet as only for
282          * ethernet dcb should disabled by default, as the information arrives
283          * from the OS (unless an explicit app tlv was present).
284          */
285         tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
286         priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
287         for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
288                 if (p_data->arr[type].update)
289                         continue;
290
291                 enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version;
292                 ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
293                                            priority, tc, type);
294         }
295
296         return ECORE_SUCCESS;
297 }
298
299 /* Parse app TLV's to update TC information in hw_info structure for
300  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
301  */
302 static enum _ecore_status_t
303 ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn)
304 {
305         struct dcbx_app_priority_feature *p_app;
306         enum _ecore_status_t rc = ECORE_SUCCESS;
307         struct ecore_dcbx_results data = { 0 };
308         struct dcbx_app_priority_entry *p_tbl;
309         struct dcbx_ets_feature *p_ets;
310         struct ecore_hw_info *p_info;
311         u32 pri_tc_tbl, flags;
312         u8 dcbx_version;
313         int num_entries;
314
315         flags = p_hwfn->p_dcbx_info->operational.flags;
316         dcbx_version = ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
317
318         p_app = &p_hwfn->p_dcbx_info->operational.features.app;
319         p_tbl = p_app->app_pri_tbl;
320
321         p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
322         pri_tc_tbl = p_ets->pri_tc_tbl[0];
323
324         p_info = &p_hwfn->hw_info;
325         num_entries = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
326
327         rc = ecore_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
328                                     num_entries, dcbx_version);
329         if (rc != ECORE_SUCCESS)
330                 return rc;
331
332         p_info->num_active_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
333                                                     DCBX_ETS_MAX_TCS);
334         p_hwfn->qm_info.ooo_tc = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_OOO_TC);
335         data.pf_id = p_hwfn->rel_pf_id;
336         data.dcbx_enabled = !!dcbx_version;
337
338         ecore_dcbx_dp_protocol(p_hwfn, &data);
339
340         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
341                     sizeof(struct ecore_dcbx_results));
342
343         return ECORE_SUCCESS;
344 }
345
346 static enum _ecore_status_t
347 ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
348                     struct ecore_ptt *p_ptt,
349                     struct ecore_dcbx_mib_meta_data *p_data,
350                     enum ecore_mib_read_type type)
351 {
352         enum _ecore_status_t rc = ECORE_SUCCESS;
353         u32 prefix_seq_num, suffix_seq_num;
354         int read_count = 0;
355
356         /* The data is considered to be valid only if both sequence numbers are
357          * the same.
358          */
359         do {
360                 if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
361                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
362                                           p_data->addr, p_data->size);
363                         prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
364                         suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
365                 } else {
366                         ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
367                                           p_data->addr, p_data->size);
368                         prefix_seq_num = p_data->mib->prefix_seq_num;
369                         suffix_seq_num = p_data->mib->suffix_seq_num;
370                 }
371                 read_count++;
372
373                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
374                            "mib type = %d, try count = %d prefix seq num  ="
375                            " %d suffix seq num = %d\n",
376                            type, read_count, prefix_seq_num, suffix_seq_num);
377         } while ((prefix_seq_num != suffix_seq_num) &&
378                  (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
379
380         if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
381                 DP_ERR(p_hwfn,
382                        "MIB read err, mib type = %d, try count ="
383                        " %d prefix seq num = %d suffix seq num = %d\n",
384                        type, read_count, prefix_seq_num, suffix_seq_num);
385                 rc = ECORE_IO;
386         }
387
388         return rc;
389 }
390
391 static void
392 ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
393                              struct ecore_dcbx_app_prio *p_prio,
394                              struct ecore_dcbx_results *p_results)
395 {
396         u8 val;
397
398         if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
399             p_results->arr[DCBX_PROTOCOL_ETH].enable)
400                 p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
401
402         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
403                    "Priorities: eth %d\n",
404                    p_prio->eth);
405 }
406
407 static void
408 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
409                         struct dcbx_app_priority_feature *p_app,
410                         struct dcbx_app_priority_entry *p_tbl,
411                         struct ecore_dcbx_params *p_params, bool ieee)
412 {
413         struct ecore_app_entry *entry;
414         u8 pri_map;
415         int i;
416
417         p_params->app_willing = ECORE_MFW_GET_FIELD(p_app->flags,
418                                                     DCBX_APP_WILLING);
419         p_params->app_valid = ECORE_MFW_GET_FIELD(p_app->flags,
420                                                   DCBX_APP_ENABLED);
421         p_params->app_error = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
422         p_params->num_app_entries = ECORE_MFW_GET_FIELD(p_app->flags,
423                                                         DCBX_APP_NUM_ENTRIES);
424         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
425                 entry = &p_params->app_entry[i];
426                 if (ieee) {
427                         u8 sf_ieee;
428                         u32 val;
429
430                         sf_ieee = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
431                                                       DCBX_APP_SF_IEEE);
432                         switch (sf_ieee) {
433                         case DCBX_APP_SF_IEEE_RESERVED:
434                                 /* Old MFW */
435                                 val = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
436                                                             DCBX_APP_SF);
437                                 entry->sf_ieee = val ?
438                                         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
439                                         ECORE_DCBX_SF_IEEE_ETHTYPE;
440                                 break;
441                         case DCBX_APP_SF_IEEE_ETHTYPE:
442                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
443                                 break;
444                         case DCBX_APP_SF_IEEE_TCP_PORT:
445                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
446                                 break;
447                         case DCBX_APP_SF_IEEE_UDP_PORT:
448                                 entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
449                                 break;
450                         case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
451                                 entry->sf_ieee =
452                                                 ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
453                                 break;
454                         }
455                 } else {
456                         entry->ethtype = !(ECORE_MFW_GET_FIELD(p_tbl[i].entry,
457                                                                DCBX_APP_SF));
458                 }
459
460                 pri_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
461                 ecore_dcbx_get_app_priority(pri_map, &entry->prio);
462                 entry->proto_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
463                                                       DCBX_APP_PROTOCOL_ID);
464                 ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
465                                                  entry->proto_id,
466                                                  &entry->proto_type, ieee);
467         }
468
469         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
470                    "APP params: willing %d, valid %d error = %d\n",
471                    p_params->app_willing, p_params->app_valid,
472                    p_params->app_error);
473 }
474
475 static void
476 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
477                         u32 pfc, struct ecore_dcbx_params *p_params)
478 {
479         u8 pfc_map;
480
481         p_params->pfc.willing = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
482         p_params->pfc.max_tc = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
483         p_params->pfc.enabled = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
484         pfc_map = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
485         p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
486         p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
487         p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
488         p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
489         p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
490         p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
491         p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
492         p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
493
494         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
495                    "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
496                    p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
497                    p_params->pfc.enabled);
498 }
499
500 static void
501 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
502                         struct dcbx_ets_feature *p_ets,
503                         struct ecore_dcbx_params *p_params)
504 {
505         u32 bw_map[2], tsa_map[2], pri_map;
506         int i;
507
508         p_params->ets_willing = ECORE_MFW_GET_FIELD(p_ets->flags,
509                                                     DCBX_ETS_WILLING);
510         p_params->ets_enabled = ECORE_MFW_GET_FIELD(p_ets->flags,
511                                                     DCBX_ETS_ENABLED);
512         p_params->ets_cbs = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
513         p_params->max_ets_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
514                                                    DCBX_ETS_MAX_TCS);
515         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
516                    "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
517                    p_params->ets_willing, p_params->ets_enabled,
518                    p_params->ets_cbs, p_ets->pri_tc_tbl[0],
519                    p_params->max_ets_tc);
520
521         /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
522          * encoded in a type u32 array of size 2.
523          */
524         bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
525         bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
526         tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
527         tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
528         pri_map = p_ets->pri_tc_tbl[0];
529         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
530                 p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
531                 p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
532                 p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
533                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
534                            "elem %d  bw_tbl %x tsa_tbl %x\n",
535                            i, p_params->ets_tc_bw_tbl[i],
536                            p_params->ets_tc_tsa_tbl[i]);
537         }
538 }
539
540 static void
541 ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
542                              struct dcbx_app_priority_feature *p_app,
543                              struct dcbx_app_priority_entry *p_tbl,
544                              struct dcbx_ets_feature *p_ets,
545                              u32 pfc, struct ecore_dcbx_params *p_params,
546                              bool ieee)
547 {
548         ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
549         ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
550         ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
551 }
552
553 static void
554 ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
555                             struct ecore_ptt *p_ptt,
556                             struct ecore_dcbx_get *params)
557 {
558         struct dcbx_features *p_feat;
559
560         p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
561         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
562                                      p_feat->app.app_pri_tbl, &p_feat->ets,
563                                      p_feat->pfc, &params->local.params, false);
564         params->local.valid = true;
565 }
566
567 static void
568 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
569                              struct ecore_ptt *p_ptt,
570                              struct ecore_dcbx_get *params)
571 {
572         struct dcbx_features *p_feat;
573
574         p_feat = &p_hwfn->p_dcbx_info->remote.features;
575         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
576                                      p_feat->app.app_pri_tbl, &p_feat->ets,
577                                      p_feat->pfc, &params->remote.params,
578                                      false);
579         params->remote.valid = true;
580 }
581
582 static enum _ecore_status_t
583 ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
584                                   struct ecore_ptt *p_ptt,
585                                   struct ecore_dcbx_get *params)
586 {
587         struct ecore_dcbx_operational_params *p_operational;
588         struct ecore_dcbx_results *p_results;
589         struct dcbx_features *p_feat;
590         bool enabled, err;
591         u32 flags;
592         bool val;
593
594         flags = p_hwfn->p_dcbx_info->operational.flags;
595
596         /* If DCBx version is non zero, then negotiation
597          * was successfuly performed
598          */
599         p_operational = &params->operational;
600         enabled = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
601                      DCBX_CONFIG_VERSION_DISABLED);
602         if (!enabled) {
603                 p_operational->enabled = enabled;
604                 p_operational->valid = false;
605                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
606                 return ECORE_INVAL;
607         }
608
609         p_feat = &p_hwfn->p_dcbx_info->operational.features;
610         p_results = &p_hwfn->p_dcbx_info->results;
611
612         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
613                  DCBX_CONFIG_VERSION_IEEE);
614         p_operational->ieee = val;
615
616         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
617                  DCBX_CONFIG_VERSION_CEE);
618         p_operational->cee = val;
619
620         val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
621                  DCBX_CONFIG_VERSION_STATIC);
622         p_operational->local = val;
623
624         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
625                    "Version support: ieee %d, cee %d, static %d\n",
626                    p_operational->ieee, p_operational->cee,
627                    p_operational->local);
628
629         ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
630                                      p_feat->app.app_pri_tbl, &p_feat->ets,
631                                      p_feat->pfc, &params->operational.params,
632                                      p_operational->ieee);
633         ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
634                                      p_results);
635         err = ECORE_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
636         p_operational->err = err;
637         p_operational->enabled = enabled;
638         p_operational->valid = true;
639
640         return ECORE_SUCCESS;
641 }
642
643 static void
644 ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
645                            struct ecore_ptt *p_ptt,
646                            struct ecore_dcbx_get *params)
647 {
648         struct ecore_dcbx_dscp_params *p_dscp;
649         struct dcb_dscp_map *p_dscp_map;
650         int i, j, entry;
651         u32 pri_map;
652
653         p_dscp = &params->dscp;
654         p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
655         p_dscp->enabled = ECORE_MFW_GET_FIELD(p_dscp_map->flags,
656                                               DCB_DSCP_ENABLE);
657         /* MFW encodes 64 dscp entries into 8 element array of u32 entries,
658          * where each entry holds the 4bit priority map for 8 dscp entries.
659          */
660         for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
661                 pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
662                 DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
663                            entry, pri_map);
664                 for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
665                         p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
666                                                            (j * 4)) & 0xf;
667         }
668 }
669
670 static void
671 ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
672                                  struct ecore_ptt *p_ptt,
673                                  struct ecore_dcbx_get *params)
674 {
675         struct lldp_config_params_s *p_local;
676
677         p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
678
679         OSAL_MEMCPY(params->lldp_local.local_chassis_id,
680                     p_local->local_chassis_id,
681                     OSAL_ARRAY_SIZE(p_local->local_chassis_id));
682         OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
683                     OSAL_ARRAY_SIZE(p_local->local_port_id));
684 }
685
686 static void
687 ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
688                                   struct ecore_ptt *p_ptt,
689                                   struct ecore_dcbx_get *params)
690 {
691         struct lldp_status_params_s *p_remote;
692
693         p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
694
695         OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
696                     p_remote->peer_chassis_id,
697                     OSAL_ARRAY_SIZE(p_remote->peer_chassis_id));
698         OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
699                     OSAL_ARRAY_SIZE(p_remote->peer_port_id));
700 }
701
702 static enum _ecore_status_t
703 ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
704                       struct ecore_dcbx_get *p_params,
705                       enum ecore_mib_read_type type)
706 {
707         enum _ecore_status_t rc = ECORE_SUCCESS;
708
709         switch (type) {
710         case ECORE_DCBX_REMOTE_MIB:
711                 ecore_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
712                 break;
713         case ECORE_DCBX_LOCAL_MIB:
714                 ecore_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
715                 break;
716         case ECORE_DCBX_OPERATIONAL_MIB:
717                 ecore_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
718                 break;
719         case ECORE_DCBX_REMOTE_LLDP_MIB:
720                 ecore_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
721                 break;
722         case ECORE_DCBX_LOCAL_LLDP_MIB:
723                 ecore_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
724                 break;
725         default:
726                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
727                 return ECORE_INVAL;
728         }
729
730         return rc;
731 }
732
733 static enum _ecore_status_t
734 ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
735                                struct ecore_ptt *p_ptt)
736 {
737         struct ecore_dcbx_mib_meta_data data;
738         enum _ecore_status_t rc = ECORE_SUCCESS;
739
740         OSAL_MEM_ZERO(&data, sizeof(data));
741         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
742                                                            lldp_config_params);
743         data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
744         data.size = sizeof(struct lldp_config_params_s);
745         ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
746
747         return rc;
748 }
749
750 static enum _ecore_status_t
751 ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
752                                 struct ecore_ptt *p_ptt,
753                                 enum ecore_mib_read_type type)
754 {
755         struct ecore_dcbx_mib_meta_data data;
756         enum _ecore_status_t rc = ECORE_SUCCESS;
757
758         OSAL_MEM_ZERO(&data, sizeof(data));
759         data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
760                                                            lldp_status_params);
761         data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
762         data.size = sizeof(struct lldp_status_params_s);
763         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
764
765         return rc;
766 }
767
768 static enum _ecore_status_t
769 ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
770                                 struct ecore_ptt *p_ptt,
771                                 enum ecore_mib_read_type type)
772 {
773         struct ecore_dcbx_mib_meta_data data;
774         enum _ecore_status_t rc = ECORE_SUCCESS;
775
776         OSAL_MEM_ZERO(&data, sizeof(data));
777         data.addr = p_hwfn->mcp_info->port_addr +
778             offsetof(struct public_port, operational_dcbx_mib);
779         data.mib = &p_hwfn->p_dcbx_info->operational;
780         data.size = sizeof(struct dcbx_mib);
781         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
782
783         return rc;
784 }
785
786 static enum _ecore_status_t
787 ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
788                            struct ecore_ptt *p_ptt,
789                            enum ecore_mib_read_type type)
790 {
791         struct ecore_dcbx_mib_meta_data data;
792         enum _ecore_status_t rc = ECORE_SUCCESS;
793
794         OSAL_MEM_ZERO(&data, sizeof(data));
795         data.addr = p_hwfn->mcp_info->port_addr +
796             offsetof(struct public_port, remote_dcbx_mib);
797         data.mib = &p_hwfn->p_dcbx_info->remote;
798         data.size = sizeof(struct dcbx_mib);
799         rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
800
801         return rc;
802 }
803
804 static enum _ecore_status_t
805 ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
806 {
807         struct ecore_dcbx_mib_meta_data data;
808         enum _ecore_status_t rc = ECORE_SUCCESS;
809
810         OSAL_MEM_ZERO(&data, sizeof(data));
811         data.addr = p_hwfn->mcp_info->port_addr +
812             offsetof(struct public_port, local_admin_dcbx_mib);
813         data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
814         data.size = sizeof(struct dcbx_local_params);
815         ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
816                           data.addr, data.size);
817
818         return rc;
819 }
820
821 static void
822 ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
823 {
824         struct ecore_dcbx_mib_meta_data data;
825
826         data.addr = p_hwfn->mcp_info->port_addr +
827                         offsetof(struct public_port, dcb_dscp_map);
828         data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
829         data.size = sizeof(struct dcb_dscp_map);
830         ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
831 }
832
833 static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
834                                                 struct ecore_ptt *p_ptt,
835                                                 enum ecore_mib_read_type type)
836 {
837         enum _ecore_status_t rc = ECORE_INVAL;
838
839         switch (type) {
840         case ECORE_DCBX_OPERATIONAL_MIB:
841                 ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
842                 rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
843                 break;
844         case ECORE_DCBX_REMOTE_MIB:
845                 rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
846                 break;
847         case ECORE_DCBX_LOCAL_MIB:
848                 rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
849                 break;
850         case ECORE_DCBX_REMOTE_LLDP_MIB:
851                 rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
852                 break;
853         case ECORE_DCBX_LOCAL_LLDP_MIB:
854                 rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
855                 break;
856         default:
857                 DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
858         }
859
860         return rc;
861 }
862
863 /*
864  * Read updated MIB.
865  * Reconfigure QM and invoke PF update ramrod command if operational MIB
866  * change is detected.
867  */
868 enum _ecore_status_t
869 ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
870                             enum ecore_mib_read_type type)
871 {
872         enum _ecore_status_t rc = ECORE_SUCCESS;
873
874         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
875         if (rc)
876                 return rc;
877
878         if (type == ECORE_DCBX_OPERATIONAL_MIB) {
879                 ecore_dcbx_get_dscp_params(p_hwfn, p_ptt,
880                                            &p_hwfn->p_dcbx_info->get);
881
882                 rc = ecore_dcbx_process_mib_info(p_hwfn);
883                 if (!rc) {
884                         bool enabled;
885
886                         /* reconfigure tcs of QM queues according
887                          * to negotiation results
888                          */
889                         ecore_qm_reconf(p_hwfn, p_ptt);
890
891                         /* update storm FW with negotiation results */
892                         ecore_sp_pf_update(p_hwfn);
893
894                         /* set eagle enigne 1 flow control workaround
895                          * according to negotiation results
896                          */
897                         enabled = p_hwfn->p_dcbx_info->results.dcbx_enabled;
898                 }
899         }
900         ecore_dcbx_get_params(p_hwfn, p_ptt, &p_hwfn->p_dcbx_info->get, type);
901
902         /* Update the DSCP to TC mapping bit if required */
903         if ((type == ECORE_DCBX_OPERATIONAL_MIB) &&
904             p_hwfn->p_dcbx_info->dscp_nig_update) {
905                 ecore_wr(p_hwfn, p_ptt, NIG_REG_DSCP_TO_TC_MAP_ENABLE, 0x1);
906                 p_hwfn->p_dcbx_info->dscp_nig_update = false;
907         }
908
909         OSAL_DCBX_AEN(p_hwfn, type);
910
911         return rc;
912 }
913
914 enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
915 {
916         p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
917                                           sizeof(*p_hwfn->p_dcbx_info));
918         if (!p_hwfn->p_dcbx_info) {
919                 DP_NOTICE(p_hwfn, true,
920                           "Failed to allocate `struct ecore_dcbx_info'");
921                 return ECORE_NOMEM;
922         }
923
924         p_hwfn->p_dcbx_info->iwarp_port =
925                 p_hwfn->pf_params.rdma_pf_params.iwarp_port;
926
927         return ECORE_SUCCESS;
928 }
929
930 void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn,
931                           struct ecore_dcbx_info *p_dcbx_info)
932 {
933         OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
934 }
935
936 static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
937                                             struct ecore_dcbx_results *p_src,
938                                             enum dcbx_protocol_type type)
939 {
940         p_data->dcb_enable_flag = p_src->arr[type].enable;
941         p_data->dcb_priority = p_src->arr[type].priority;
942         p_data->dcb_tc = p_src->arr[type].tc;
943         p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
944         p_data->dscp_val = p_src->arr[type].dscp_val;
945 }
946
947 /* Set pf update ramrod command params */
948 void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
949                                      struct pf_update_ramrod_data *p_dest)
950 {
951         struct protocol_dcb_data *p_dcb_data;
952         u8 update_flag;
953
954         p_dest->pf_id = p_src->pf_id;
955
956         update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
957         p_dest->update_eth_dcb_data_mode = update_flag;
958         update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update;
959         p_dest->update_iwarp_dcb_data_mode = update_flag;
960
961         p_dcb_data = &p_dest->eth_dcb_data;
962         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
963         p_dcb_data = &p_dest->iwarp_dcb_data;
964         ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP);
965 }
966
967 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
968                                              struct ecore_dcbx_get *p_get,
969                                              enum ecore_mib_read_type type)
970 {
971         struct ecore_ptt *p_ptt;
972         enum _ecore_status_t rc;
973
974         if (IS_VF(p_hwfn->p_dev))
975                 return ECORE_INVAL;
976
977         p_ptt = ecore_ptt_acquire(p_hwfn);
978         if (!p_ptt) {
979                 rc = ECORE_TIMEOUT;
980                 DP_ERR(p_hwfn, "rc = %d\n", rc);
981                 return rc;
982         }
983
984         rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
985         if (rc != ECORE_SUCCESS)
986                 goto out;
987
988         rc = ecore_dcbx_get_params(p_hwfn, p_ptt, p_get, type);
989
990 out:
991         ecore_ptt_release(p_hwfn, p_ptt);
992         return rc;
993 }
994
995 static void
996 ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
997                         u32 *pfc, struct ecore_dcbx_params *p_params)
998 {
999         u8 pfc_map = 0;
1000         int i;
1001
1002         if (p_params->pfc.willing)
1003                 *pfc |= DCBX_PFC_WILLING_MASK;
1004         else
1005                 *pfc &= ~DCBX_PFC_WILLING_MASK;
1006
1007         if (p_params->pfc.enabled)
1008                 *pfc |= DCBX_PFC_ENABLED_MASK;
1009         else
1010                 *pfc &= ~DCBX_PFC_ENABLED_MASK;
1011
1012         *pfc &= ~DCBX_PFC_CAPS_MASK;
1013         *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
1014
1015         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
1016                 if (p_params->pfc.prio[i])
1017                         pfc_map |= (1 << i);
1018         *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
1019         *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
1020
1021         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
1022 }
1023
1024 static void
1025 ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
1026                         struct dcbx_ets_feature *p_ets,
1027                         struct ecore_dcbx_params *p_params)
1028 {
1029         u8 *bw_map, *tsa_map;
1030         u32 val;
1031         int i;
1032
1033         if (p_params->ets_willing)
1034                 p_ets->flags |= DCBX_ETS_WILLING_MASK;
1035         else
1036                 p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1037
1038         if (p_params->ets_cbs)
1039                 p_ets->flags |= DCBX_ETS_CBS_MASK;
1040         else
1041                 p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1042
1043         if (p_params->ets_enabled)
1044                 p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1045         else
1046                 p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1047
1048         p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1049         p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
1050
1051         bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1052         tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1053         p_ets->pri_tc_tbl[0] = 0;
1054         for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
1055                 bw_map[i] = p_params->ets_tc_bw_tbl[i];
1056                 tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1057                 /* Copy the priority value to the corresponding 4 bits in the
1058                  * traffic class table.
1059                  */
1060                 val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1061                 p_ets->pri_tc_tbl[0] |= val;
1062         }
1063         for (i = 0; i < 2; i++) {
1064                 p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
1065                 p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
1066         }
1067
1068         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1069                    "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
1070                    p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
1071                    p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
1072                    p_ets->tc_tsa_tbl[1]);
1073 }
1074
1075 static void
1076 ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
1077                         struct dcbx_app_priority_feature *p_app,
1078                         struct ecore_dcbx_params *p_params, bool ieee)
1079 {
1080         u32 *entry;
1081         int i;
1082
1083         if (p_params->app_willing)
1084                 p_app->flags |= DCBX_APP_WILLING_MASK;
1085         else
1086                 p_app->flags &= ~DCBX_APP_WILLING_MASK;
1087
1088         if (p_params->app_valid)
1089                 p_app->flags |= DCBX_APP_ENABLED_MASK;
1090         else
1091                 p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1092
1093         p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1094         p_app->flags |= (u32)p_params->num_app_entries <<
1095                                         DCBX_APP_NUM_ENTRIES_SHIFT;
1096
1097         for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
1098                 entry = &p_app->app_pri_tbl[i].entry;
1099                 *entry = 0;
1100                 if (ieee) {
1101                         *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1102                         switch (p_params->app_entry[i].sf_ieee) {
1103                         case ECORE_DCBX_SF_IEEE_ETHTYPE:
1104                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1105                                             DCBX_APP_SF_IEEE_SHIFT);
1106                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1107                                             DCBX_APP_SF_SHIFT);
1108                                 break;
1109                         case ECORE_DCBX_SF_IEEE_TCP_PORT:
1110                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1111                                             DCBX_APP_SF_IEEE_SHIFT);
1112                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1113                                             DCBX_APP_SF_SHIFT);
1114                                 break;
1115                         case ECORE_DCBX_SF_IEEE_UDP_PORT:
1116                                 *entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1117                                             DCBX_APP_SF_IEEE_SHIFT);
1118                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1119                                             DCBX_APP_SF_SHIFT);
1120                                 break;
1121                         case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
1122                                 *entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1123                                             DCBX_APP_SF_IEEE_SHIFT;
1124                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1125                                             DCBX_APP_SF_SHIFT);
1126                                 break;
1127                         }
1128                 } else {
1129                         *entry &= ~DCBX_APP_SF_MASK;
1130                         if (p_params->app_entry[i].ethtype)
1131                                 *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1132                                             DCBX_APP_SF_SHIFT);
1133                         else
1134                                 *entry  |= ((u32)DCBX_APP_SF_PORT <<
1135                                             DCBX_APP_SF_SHIFT);
1136                 }
1137                 *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1138                 *entry |= ((u32)p_params->app_entry[i].proto_id <<
1139                                 DCBX_APP_PROTOCOL_ID_SHIFT);
1140                 *entry &= ~DCBX_APP_PRI_MAP_MASK;
1141                 *entry |= ((u32)(p_params->app_entry[i].prio) <<
1142                                 DCBX_APP_PRI_MAP_SHIFT);
1143         }
1144
1145         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
1146 }
1147
1148 static enum _ecore_status_t
1149 ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
1150                             struct dcbx_local_params *local_admin,
1151                             struct ecore_dcbx_set *params)
1152 {
1153         bool ieee = false;
1154
1155         local_admin->flags = 0;
1156         OSAL_MEMCPY(&local_admin->features,
1157                     &p_hwfn->p_dcbx_info->operational.features,
1158                     sizeof(local_admin->features));
1159
1160         if (params->enabled) {
1161                 local_admin->config = params->ver_num;
1162                 ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1163         } else {
1164                 local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1165         }
1166
1167         if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
1168                 ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1169                                         &params->config.params);
1170
1171         if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
1172                 ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1173                                         &params->config.params);
1174
1175         if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
1176                 ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1177                                         &params->config.params, ieee);
1178
1179         return ECORE_SUCCESS;
1180 }
1181
1182 static enum _ecore_status_t
1183 ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
1184                            struct dcb_dscp_map *p_dscp_map,
1185                            struct ecore_dcbx_set *p_params)
1186 {
1187         int entry, i, j;
1188         u32 val;
1189
1190         OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
1191                     sizeof(*p_dscp_map));
1192
1193         p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
1194         if (p_params->dscp.enabled)
1195                 p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
1196
1197         for (i = 0, entry = 0; i < 8; i++) {
1198                 val = 0;
1199                 for (j = 0; j < 8; j++, entry++)
1200                         val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
1201                                 (j * 4));
1202
1203                 p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
1204         }
1205
1206         p_hwfn->p_dcbx_info->dscp_nig_update = true;
1207
1208         DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
1209
1210         return ECORE_SUCCESS;
1211 }
1212
1213 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
1214                                               struct ecore_ptt *p_ptt,
1215                                               struct ecore_dcbx_set *params,
1216                                               bool hw_commit)
1217 {
1218         struct dcbx_local_params local_admin;
1219         struct ecore_dcbx_mib_meta_data data;
1220         struct dcb_dscp_map dscp_map;
1221         u32 resp = 0, param = 0;
1222         enum _ecore_status_t rc = ECORE_SUCCESS;
1223
1224         if (!hw_commit) {
1225                 OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
1226                             sizeof(p_hwfn->p_dcbx_info->set));
1227                 return ECORE_SUCCESS;
1228         }
1229
1230         /* clear set-parmas cache */
1231         OSAL_MEMSET(&p_hwfn->p_dcbx_info->set, 0,
1232                     sizeof(struct ecore_dcbx_set));
1233
1234         OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
1235         ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
1236
1237         data.addr = p_hwfn->mcp_info->port_addr +
1238                         offsetof(struct public_port, local_admin_dcbx_mib);
1239         data.local_admin = &local_admin;
1240         data.size = sizeof(struct dcbx_local_params);
1241         ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1242
1243         if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
1244                 OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
1245                 ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
1246
1247                 data.addr = p_hwfn->mcp_info->port_addr +
1248                                 offsetof(struct public_port, dcb_dscp_map);
1249                 data.dscp_map = &dscp_map;
1250                 data.size = sizeof(struct dcb_dscp_map);
1251                 ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
1252                                 data.size);
1253         }
1254
1255         rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1256                            1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, &param);
1257         if (rc != ECORE_SUCCESS) {
1258                 DP_NOTICE(p_hwfn, false,
1259                           "Failed to send DCBX update request\n");
1260                 return rc;
1261         }
1262
1263         return rc;
1264 }
1265
1266 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
1267                                                   struct ecore_dcbx_set *params)
1268 {
1269         struct ecore_dcbx_get *dcbx_info;
1270         int rc;
1271
1272         if (p_hwfn->p_dcbx_info->set.config.valid) {
1273                 OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1274                             sizeof(struct ecore_dcbx_set));
1275                 return ECORE_SUCCESS;
1276         }
1277
1278         dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1279                                sizeof(*dcbx_info));
1280         if (!dcbx_info) {
1281                 DP_ERR(p_hwfn, "Failed to allocate struct ecore_dcbx_info\n");
1282                 return ECORE_NOMEM;
1283         }
1284
1285         OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
1286         rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
1287                                      ECORE_DCBX_OPERATIONAL_MIB);
1288         if (rc) {
1289                 OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1290                 return rc;
1291         }
1292         p_hwfn->p_dcbx_info->set.override_flags = 0;
1293
1294         p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1295         if (dcbx_info->operational.cee)
1296                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1297         if (dcbx_info->operational.ieee)
1298                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1299         if (dcbx_info->operational.local)
1300                 p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
1301
1302         p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1303         OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
1304                     &dcbx_info->operational.params,
1305                     sizeof(struct ecore_dcbx_admin_params));
1306         p_hwfn->p_dcbx_info->set.config.valid = true;
1307
1308         OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1309                     sizeof(struct ecore_dcbx_set));
1310
1311         OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1312
1313         return ECORE_SUCCESS;
1314 }