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39651abd SRK |
1 | /* QLogic qed NIC Driver |
2 | * Copyright (c) 2015 QLogic Corporation | |
3 | * | |
4 | * This software is available under the terms of the GNU General Public License | |
5 | * (GPL) Version 2, available from the file COPYING in the main directory of | |
6 | * this source tree. | |
7 | */ | |
8 | ||
9 | #include <linux/types.h> | |
10 | #include <asm/byteorder.h> | |
11 | #include <linux/bitops.h> | |
a1d8d8a5 | 12 | #include <linux/dcbnl.h> |
39651abd SRK |
13 | #include <linux/errno.h> |
14 | #include <linux/kernel.h> | |
15 | #include <linux/slab.h> | |
16 | #include <linux/string.h> | |
17 | #include "qed.h" | |
18 | #include "qed_cxt.h" | |
19 | #include "qed_dcbx.h" | |
20 | #include "qed_hsi.h" | |
21 | #include "qed_sp.h" | |
a1d8d8a5 SRK |
22 | #ifdef CONFIG_DCB |
23 | #include <linux/qed/qed_eth_if.h> | |
24 | #endif | |
39651abd SRK |
25 | |
26 | #define QED_DCBX_MAX_MIB_READ_TRY (100) | |
27 | #define QED_ETH_TYPE_DEFAULT (0) | |
28 | #define QED_ETH_TYPE_ROCE (0x8915) | |
29 | #define QED_UDP_PORT_TYPE_ROCE_V2 (0x12B7) | |
30 | #define QED_ETH_TYPE_FCOE (0x8906) | |
31 | #define QED_TCP_PORT_ISCSI (0xCBC) | |
32 | ||
33 | #define QED_DCBX_INVALID_PRIORITY 0xFF | |
34 | ||
35 | /* Get Traffic Class from priority traffic class table, 4 bits represent | |
36 | * the traffic class corresponding to the priority. | |
37 | */ | |
38 | #define QED_DCBX_PRIO2TC(prio_tc_tbl, prio) \ | |
39 | ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7) | |
40 | ||
41 | static const struct qed_dcbx_app_metadata qed_dcbx_app_update[] = { | |
42 | {DCBX_PROTOCOL_ISCSI, "ISCSI", QED_PCI_DEFAULT}, | |
43 | {DCBX_PROTOCOL_FCOE, "FCOE", QED_PCI_DEFAULT}, | |
44 | {DCBX_PROTOCOL_ROCE, "ROCE", QED_PCI_DEFAULT}, | |
45 | {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", QED_PCI_DEFAULT}, | |
46 | {DCBX_PROTOCOL_ETH, "ETH", QED_PCI_ETH} | |
47 | }; | |
48 | ||
49 | static bool qed_dcbx_app_ethtype(u32 app_info_bitmap) | |
50 | { | |
51 | return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == | |
52 | DCBX_APP_SF_ETHTYPE); | |
53 | } | |
54 | ||
55 | static bool qed_dcbx_app_port(u32 app_info_bitmap) | |
56 | { | |
57 | return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == | |
58 | DCBX_APP_SF_PORT); | |
59 | } | |
60 | ||
61 | static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id) | |
62 | { | |
63 | return !!(qed_dcbx_app_ethtype(app_info_bitmap) && | |
64 | proto_id == QED_ETH_TYPE_DEFAULT); | |
65 | } | |
66 | ||
67 | static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id) | |
68 | { | |
69 | return !!(qed_dcbx_app_port(app_info_bitmap) && | |
70 | proto_id == QED_TCP_PORT_ISCSI); | |
71 | } | |
72 | ||
73 | static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id) | |
74 | { | |
75 | return !!(qed_dcbx_app_ethtype(app_info_bitmap) && | |
76 | proto_id == QED_ETH_TYPE_FCOE); | |
77 | } | |
78 | ||
79 | static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id) | |
80 | { | |
81 | return !!(qed_dcbx_app_ethtype(app_info_bitmap) && | |
82 | proto_id == QED_ETH_TYPE_ROCE); | |
83 | } | |
84 | ||
85 | static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id) | |
86 | { | |
87 | return !!(qed_dcbx_app_port(app_info_bitmap) && | |
88 | proto_id == QED_UDP_PORT_TYPE_ROCE_V2); | |
89 | } | |
90 | ||
91 | static void | |
92 | qed_dcbx_dp_protocol(struct qed_hwfn *p_hwfn, struct qed_dcbx_results *p_data) | |
93 | { | |
94 | enum dcbx_protocol_type id; | |
95 | int i; | |
96 | ||
97 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, "DCBX negotiated: %d\n", | |
98 | p_data->dcbx_enabled); | |
99 | ||
100 | for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) { | |
101 | id = qed_dcbx_app_update[i].id; | |
102 | ||
103 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, | |
104 | "%s info: update %d, enable %d, prio %d, tc %d, num_tc %d\n", | |
105 | qed_dcbx_app_update[i].name, p_data->arr[id].update, | |
106 | p_data->arr[id].enable, p_data->arr[id].priority, | |
107 | p_data->arr[id].tc, p_hwfn->hw_info.num_tc); | |
108 | } | |
109 | } | |
110 | ||
111 | static void | |
112 | qed_dcbx_set_params(struct qed_dcbx_results *p_data, | |
113 | struct qed_hw_info *p_info, | |
114 | bool enable, | |
115 | bool update, | |
116 | u8 prio, | |
117 | u8 tc, | |
118 | enum dcbx_protocol_type type, | |
119 | enum qed_pci_personality personality) | |
120 | { | |
121 | /* PF update ramrod data */ | |
122 | p_data->arr[type].update = update; | |
123 | p_data->arr[type].enable = enable; | |
124 | p_data->arr[type].priority = prio; | |
125 | p_data->arr[type].tc = tc; | |
126 | ||
127 | /* QM reconf data */ | |
128 | if (p_info->personality == personality) { | |
129 | if (personality == QED_PCI_ETH) | |
130 | p_info->non_offload_tc = tc; | |
131 | else | |
132 | p_info->offload_tc = tc; | |
133 | } | |
134 | } | |
135 | ||
136 | /* Update app protocol data and hw_info fields with the TLV info */ | |
137 | static void | |
138 | qed_dcbx_update_app_info(struct qed_dcbx_results *p_data, | |
139 | struct qed_hwfn *p_hwfn, | |
140 | bool enable, | |
141 | bool update, | |
142 | u8 prio, u8 tc, enum dcbx_protocol_type type) | |
143 | { | |
144 | struct qed_hw_info *p_info = &p_hwfn->hw_info; | |
145 | enum qed_pci_personality personality; | |
146 | enum dcbx_protocol_type id; | |
147 | char *name; | |
148 | int i; | |
149 | ||
150 | for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) { | |
151 | id = qed_dcbx_app_update[i].id; | |
152 | ||
153 | if (type != id) | |
154 | continue; | |
155 | ||
156 | personality = qed_dcbx_app_update[i].personality; | |
157 | name = qed_dcbx_app_update[i].name; | |
158 | ||
159 | qed_dcbx_set_params(p_data, p_info, enable, update, | |
160 | prio, tc, type, personality); | |
161 | } | |
162 | } | |
163 | ||
164 | static bool | |
165 | qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn, | |
166 | u32 app_prio_bitmap, | |
167 | u16 id, enum dcbx_protocol_type *type) | |
168 | { | |
169 | if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id)) { | |
170 | *type = DCBX_PROTOCOL_FCOE; | |
171 | } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id)) { | |
172 | *type = DCBX_PROTOCOL_ROCE; | |
173 | } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id)) { | |
174 | *type = DCBX_PROTOCOL_ISCSI; | |
175 | } else if (qed_dcbx_default_tlv(app_prio_bitmap, id)) { | |
176 | *type = DCBX_PROTOCOL_ETH; | |
177 | } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id)) { | |
178 | *type = DCBX_PROTOCOL_ROCE_V2; | |
179 | } else { | |
180 | *type = DCBX_MAX_PROTOCOL_TYPE; | |
181 | DP_ERR(p_hwfn, | |
182 | "No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n", | |
183 | id, app_prio_bitmap); | |
184 | return false; | |
185 | } | |
186 | ||
187 | return true; | |
188 | } | |
189 | ||
190 | /* Parse app TLV's to update TC information in hw_info structure for | |
191 | * reconfiguring QM. Get protocol specific data for PF update ramrod command. | |
192 | */ | |
193 | static int | |
194 | qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, | |
195 | struct qed_dcbx_results *p_data, | |
196 | struct dcbx_app_priority_entry *p_tbl, | |
197 | u32 pri_tc_tbl, int count, bool dcbx_enabled) | |
198 | { | |
54b9430f | 199 | u8 tc, priority_map; |
39651abd SRK |
200 | enum dcbx_protocol_type type; |
201 | u16 protocol_id; | |
54b9430f | 202 | int priority; |
39651abd SRK |
203 | bool enable; |
204 | int i; | |
205 | ||
206 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count); | |
207 | ||
208 | /* Parse APP TLV */ | |
209 | for (i = 0; i < count; i++) { | |
210 | protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry, | |
211 | DCBX_APP_PROTOCOL_ID); | |
212 | priority_map = QED_MFW_GET_FIELD(p_tbl[i].entry, | |
213 | DCBX_APP_PRI_MAP); | |
214 | priority = ffs(priority_map) - 1; | |
215 | if (priority < 0) { | |
216 | DP_ERR(p_hwfn, "Invalid priority\n"); | |
217 | return -EINVAL; | |
218 | } | |
219 | ||
220 | tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority); | |
221 | if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, | |
222 | protocol_id, &type)) { | |
223 | /* ETH always have the enable bit reset, as it gets | |
224 | * vlan information per packet. For other protocols, | |
225 | * should be set according to the dcbx_enabled | |
226 | * indication, but we only got here if there was an | |
227 | * app tlv for the protocol, so dcbx must be enabled. | |
228 | */ | |
ec7c7f5c | 229 | enable = !(type == DCBX_PROTOCOL_ETH); |
39651abd SRK |
230 | |
231 | qed_dcbx_update_app_info(p_data, p_hwfn, enable, true, | |
232 | priority, tc, type); | |
233 | } | |
234 | } | |
235 | ||
236 | /* If RoCE-V2 TLV is not detected, driver need to use RoCE app | |
237 | * data for RoCE-v2 not the default app data. | |
238 | */ | |
239 | if (!p_data->arr[DCBX_PROTOCOL_ROCE_V2].update && | |
240 | p_data->arr[DCBX_PROTOCOL_ROCE].update) { | |
241 | tc = p_data->arr[DCBX_PROTOCOL_ROCE].tc; | |
242 | priority = p_data->arr[DCBX_PROTOCOL_ROCE].priority; | |
243 | qed_dcbx_update_app_info(p_data, p_hwfn, true, true, | |
244 | priority, tc, DCBX_PROTOCOL_ROCE_V2); | |
245 | } | |
246 | ||
247 | /* Update ramrod protocol data and hw_info fields | |
248 | * with default info when corresponding APP TLV's are not detected. | |
249 | * The enabled field has a different logic for ethernet as only for | |
250 | * ethernet dcb should disabled by default, as the information arrives | |
251 | * from the OS (unless an explicit app tlv was present). | |
252 | */ | |
253 | tc = p_data->arr[DCBX_PROTOCOL_ETH].tc; | |
254 | priority = p_data->arr[DCBX_PROTOCOL_ETH].priority; | |
255 | for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) { | |
256 | if (p_data->arr[type].update) | |
257 | continue; | |
258 | ||
6ad8c632 | 259 | enable = !(type == DCBX_PROTOCOL_ETH); |
39651abd SRK |
260 | qed_dcbx_update_app_info(p_data, p_hwfn, enable, true, |
261 | priority, tc, type); | |
262 | } | |
263 | ||
264 | return 0; | |
265 | } | |
266 | ||
267 | /* Parse app TLV's to update TC information in hw_info structure for | |
268 | * reconfiguring QM. Get protocol specific data for PF update ramrod command. | |
269 | */ | |
270 | static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn) | |
271 | { | |
272 | struct dcbx_app_priority_feature *p_app; | |
273 | struct dcbx_app_priority_entry *p_tbl; | |
274 | struct qed_dcbx_results data = { 0 }; | |
275 | struct dcbx_ets_feature *p_ets; | |
276 | struct qed_hw_info *p_info; | |
277 | u32 pri_tc_tbl, flags; | |
278 | bool dcbx_enabled; | |
279 | int num_entries; | |
280 | int rc = 0; | |
281 | ||
282 | /* If DCBx version is non zero, then negotiation was | |
283 | * successfuly performed | |
284 | */ | |
285 | flags = p_hwfn->p_dcbx_info->operational.flags; | |
286 | dcbx_enabled = !!QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION); | |
287 | ||
288 | p_app = &p_hwfn->p_dcbx_info->operational.features.app; | |
289 | p_tbl = p_app->app_pri_tbl; | |
290 | ||
291 | p_ets = &p_hwfn->p_dcbx_info->operational.features.ets; | |
292 | pri_tc_tbl = p_ets->pri_tc_tbl[0]; | |
293 | ||
294 | p_info = &p_hwfn->hw_info; | |
295 | num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); | |
296 | ||
297 | rc = qed_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl, | |
298 | num_entries, dcbx_enabled); | |
299 | if (rc) | |
300 | return rc; | |
301 | ||
302 | p_info->num_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); | |
303 | data.pf_id = p_hwfn->rel_pf_id; | |
304 | data.dcbx_enabled = dcbx_enabled; | |
305 | ||
306 | qed_dcbx_dp_protocol(p_hwfn, &data); | |
307 | ||
308 | memcpy(&p_hwfn->p_dcbx_info->results, &data, | |
309 | sizeof(struct qed_dcbx_results)); | |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
314 | static int | |
315 | qed_dcbx_copy_mib(struct qed_hwfn *p_hwfn, | |
316 | struct qed_ptt *p_ptt, | |
317 | struct qed_dcbx_mib_meta_data *p_data, | |
318 | enum qed_mib_read_type type) | |
319 | { | |
320 | u32 prefix_seq_num, suffix_seq_num; | |
321 | int read_count = 0; | |
322 | int rc = 0; | |
323 | ||
324 | /* The data is considered to be valid only if both sequence numbers are | |
325 | * the same. | |
326 | */ | |
327 | do { | |
328 | if (type == QED_DCBX_REMOTE_LLDP_MIB) { | |
329 | qed_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote, | |
330 | p_data->addr, p_data->size); | |
331 | prefix_seq_num = p_data->lldp_remote->prefix_seq_num; | |
332 | suffix_seq_num = p_data->lldp_remote->suffix_seq_num; | |
333 | } else { | |
334 | qed_memcpy_from(p_hwfn, p_ptt, p_data->mib, | |
335 | p_data->addr, p_data->size); | |
336 | prefix_seq_num = p_data->mib->prefix_seq_num; | |
337 | suffix_seq_num = p_data->mib->suffix_seq_num; | |
338 | } | |
339 | read_count++; | |
340 | ||
341 | DP_VERBOSE(p_hwfn, | |
342 | QED_MSG_DCB, | |
343 | "mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", | |
344 | type, read_count, prefix_seq_num, suffix_seq_num); | |
345 | } while ((prefix_seq_num != suffix_seq_num) && | |
346 | (read_count < QED_DCBX_MAX_MIB_READ_TRY)); | |
347 | ||
348 | if (read_count >= QED_DCBX_MAX_MIB_READ_TRY) { | |
349 | DP_ERR(p_hwfn, | |
350 | "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", | |
351 | type, read_count, prefix_seq_num, suffix_seq_num); | |
352 | rc = -EIO; | |
353 | } | |
354 | ||
355 | return rc; | |
356 | } | |
357 | ||
6ad8c632 SRK |
358 | #ifdef CONFIG_DCB |
359 | static void | |
360 | qed_dcbx_get_priority_info(struct qed_hwfn *p_hwfn, | |
361 | struct qed_dcbx_app_prio *p_prio, | |
362 | struct qed_dcbx_results *p_results) | |
363 | { | |
364 | u8 val; | |
365 | ||
366 | p_prio->roce = QED_DCBX_INVALID_PRIORITY; | |
367 | p_prio->roce_v2 = QED_DCBX_INVALID_PRIORITY; | |
368 | p_prio->iscsi = QED_DCBX_INVALID_PRIORITY; | |
369 | p_prio->fcoe = QED_DCBX_INVALID_PRIORITY; | |
370 | ||
371 | if (p_results->arr[DCBX_PROTOCOL_ROCE].update && | |
372 | p_results->arr[DCBX_PROTOCOL_ROCE].enable) | |
373 | p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority; | |
374 | ||
375 | if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update && | |
376 | p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) { | |
377 | val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority; | |
378 | p_prio->roce_v2 = val; | |
379 | } | |
380 | ||
381 | if (p_results->arr[DCBX_PROTOCOL_ISCSI].update && | |
382 | p_results->arr[DCBX_PROTOCOL_ISCSI].enable) | |
383 | p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority; | |
384 | ||
385 | if (p_results->arr[DCBX_PROTOCOL_FCOE].update && | |
386 | p_results->arr[DCBX_PROTOCOL_FCOE].enable) | |
387 | p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority; | |
388 | ||
389 | if (p_results->arr[DCBX_PROTOCOL_ETH].update && | |
390 | p_results->arr[DCBX_PROTOCOL_ETH].enable) | |
391 | p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority; | |
392 | ||
393 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, | |
394 | "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n", | |
395 | p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe, | |
396 | p_prio->eth); | |
397 | } | |
398 | ||
399 | static void | |
400 | qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn, | |
401 | struct dcbx_app_priority_feature *p_app, | |
402 | struct dcbx_app_priority_entry *p_tbl, | |
403 | struct qed_dcbx_params *p_params) | |
404 | { | |
405 | struct qed_app_entry *entry; | |
406 | u8 pri_map; | |
407 | int i; | |
408 | ||
409 | p_params->app_willing = QED_MFW_GET_FIELD(p_app->flags, | |
410 | DCBX_APP_WILLING); | |
411 | p_params->app_valid = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ENABLED); | |
412 | p_params->app_error = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR); | |
413 | p_params->num_app_entries = QED_MFW_GET_FIELD(p_app->flags, | |
414 | DCBX_APP_NUM_ENTRIES); | |
415 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | |
416 | entry = &p_params->app_entry[i]; | |
417 | entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry, | |
418 | DCBX_APP_SF)); | |
419 | pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); | |
420 | entry->prio = ffs(pri_map) - 1; | |
421 | entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry, | |
422 | DCBX_APP_PROTOCOL_ID); | |
423 | qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, | |
424 | entry->proto_id, | |
425 | &entry->proto_type); | |
426 | } | |
427 | ||
428 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, | |
429 | "APP params: willing %d, valid %d error = %d\n", | |
430 | p_params->app_willing, p_params->app_valid, | |
431 | p_params->app_error); | |
432 | } | |
433 | ||
434 | static void | |
435 | qed_dcbx_get_pfc_data(struct qed_hwfn *p_hwfn, | |
436 | u32 pfc, struct qed_dcbx_params *p_params) | |
437 | { | |
438 | u8 pfc_map; | |
439 | ||
440 | p_params->pfc.willing = QED_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING); | |
441 | p_params->pfc.max_tc = QED_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS); | |
442 | p_params->pfc.enabled = QED_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED); | |
443 | pfc_map = QED_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP); | |
444 | p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0); | |
445 | p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1); | |
446 | p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2); | |
447 | p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3); | |
448 | p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4); | |
449 | p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5); | |
450 | p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6); | |
451 | p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7); | |
452 | ||
453 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, | |
454 | "PFC params: willing %d, pfc_bitmap %d\n", | |
455 | p_params->pfc.willing, pfc_map); | |
456 | } | |
457 | ||
458 | static void | |
459 | qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn, | |
460 | struct dcbx_ets_feature *p_ets, | |
461 | struct qed_dcbx_params *p_params) | |
462 | { | |
463 | u32 bw_map[2], tsa_map[2], pri_map; | |
464 | int i; | |
465 | ||
466 | p_params->ets_willing = QED_MFW_GET_FIELD(p_ets->flags, | |
467 | DCBX_ETS_WILLING); | |
468 | p_params->ets_enabled = QED_MFW_GET_FIELD(p_ets->flags, | |
469 | DCBX_ETS_ENABLED); | |
470 | p_params->ets_cbs = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS); | |
471 | p_params->max_ets_tc = QED_MFW_GET_FIELD(p_ets->flags, | |
472 | DCBX_ETS_MAX_TCS); | |
473 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, | |
474 | "ETS params: willing %d, ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n", | |
475 | p_params->ets_willing, | |
476 | p_params->ets_cbs, | |
477 | p_ets->pri_tc_tbl[0], p_params->max_ets_tc); | |
478 | ||
479 | /* 8 bit tsa and bw data corresponding to each of the 8 TC's are | |
480 | * encoded in a type u32 array of size 2. | |
481 | */ | |
482 | bw_map[0] = be32_to_cpu(p_ets->tc_bw_tbl[0]); | |
483 | bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]); | |
484 | tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]); | |
485 | tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]); | |
486 | pri_map = be32_to_cpu(p_ets->pri_tc_tbl[0]); | |
487 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { | |
488 | p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i]; | |
489 | p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i]; | |
490 | p_params->ets_pri_tc_tbl[i] = QED_DCBX_PRIO2TC(pri_map, i); | |
491 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, | |
492 | "elem %d bw_tbl %x tsa_tbl %x\n", | |
493 | i, p_params->ets_tc_bw_tbl[i], | |
494 | p_params->ets_tc_tsa_tbl[i]); | |
495 | } | |
496 | } | |
497 | ||
498 | static void | |
499 | qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn, | |
500 | struct dcbx_app_priority_feature *p_app, | |
501 | struct dcbx_app_priority_entry *p_tbl, | |
502 | struct dcbx_ets_feature *p_ets, | |
503 | u32 pfc, struct qed_dcbx_params *p_params) | |
504 | { | |
505 | qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params); | |
506 | qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params); | |
507 | qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params); | |
508 | } | |
509 | ||
510 | static void | |
511 | qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn, | |
512 | struct qed_ptt *p_ptt, struct qed_dcbx_get *params) | |
513 | { | |
514 | struct dcbx_features *p_feat; | |
515 | ||
516 | p_feat = &p_hwfn->p_dcbx_info->local_admin.features; | |
517 | qed_dcbx_get_common_params(p_hwfn, &p_feat->app, | |
518 | p_feat->app.app_pri_tbl, &p_feat->ets, | |
519 | p_feat->pfc, ¶ms->local.params); | |
520 | params->local.valid = true; | |
521 | } | |
522 | ||
523 | static void | |
524 | qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn, | |
525 | struct qed_ptt *p_ptt, struct qed_dcbx_get *params) | |
526 | { | |
527 | struct dcbx_features *p_feat; | |
528 | ||
529 | p_feat = &p_hwfn->p_dcbx_info->remote.features; | |
530 | qed_dcbx_get_common_params(p_hwfn, &p_feat->app, | |
531 | p_feat->app.app_pri_tbl, &p_feat->ets, | |
532 | p_feat->pfc, ¶ms->remote.params); | |
533 | params->remote.valid = true; | |
534 | } | |
535 | ||
536 | static void | |
537 | qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn, | |
538 | struct qed_ptt *p_ptt, | |
539 | struct qed_dcbx_get *params) | |
540 | { | |
541 | struct qed_dcbx_operational_params *p_operational; | |
542 | struct qed_dcbx_results *p_results; | |
543 | struct dcbx_features *p_feat; | |
544 | bool enabled, err; | |
545 | u32 flags; | |
546 | bool val; | |
547 | ||
548 | flags = p_hwfn->p_dcbx_info->operational.flags; | |
549 | ||
550 | /* If DCBx version is non zero, then negotiation | |
551 | * was successfuly performed | |
552 | */ | |
553 | p_operational = ¶ms->operational; | |
554 | enabled = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) != | |
555 | DCBX_CONFIG_VERSION_DISABLED); | |
556 | if (!enabled) { | |
557 | p_operational->enabled = enabled; | |
558 | p_operational->valid = false; | |
559 | return; | |
560 | } | |
561 | ||
562 | p_feat = &p_hwfn->p_dcbx_info->operational.features; | |
563 | p_results = &p_hwfn->p_dcbx_info->results; | |
564 | ||
565 | val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == | |
566 | DCBX_CONFIG_VERSION_IEEE); | |
567 | p_operational->ieee = val; | |
568 | val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == | |
569 | DCBX_CONFIG_VERSION_CEE); | |
570 | p_operational->cee = val; | |
571 | ||
572 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Version support: ieee %d, cee %d\n", | |
573 | p_operational->ieee, p_operational->cee); | |
574 | ||
575 | qed_dcbx_get_common_params(p_hwfn, &p_feat->app, | |
576 | p_feat->app.app_pri_tbl, &p_feat->ets, | |
577 | p_feat->pfc, ¶ms->operational.params); | |
578 | qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results); | |
579 | err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR); | |
580 | p_operational->err = err; | |
581 | p_operational->enabled = enabled; | |
582 | p_operational->valid = true; | |
583 | } | |
584 | ||
585 | static void | |
586 | qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn, | |
587 | struct qed_ptt *p_ptt, | |
588 | struct qed_dcbx_get *params) | |
589 | { | |
590 | struct lldp_config_params_s *p_local; | |
591 | ||
592 | p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE]; | |
593 | ||
594 | memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id, | |
595 | ARRAY_SIZE(p_local->local_chassis_id)); | |
596 | memcpy(params->lldp_local.local_port_id, p_local->local_port_id, | |
597 | ARRAY_SIZE(p_local->local_port_id)); | |
598 | } | |
599 | ||
600 | static void | |
601 | qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn, | |
602 | struct qed_ptt *p_ptt, | |
603 | struct qed_dcbx_get *params) | |
604 | { | |
605 | struct lldp_status_params_s *p_remote; | |
606 | ||
607 | p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE]; | |
608 | ||
609 | memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id, | |
610 | ARRAY_SIZE(p_remote->peer_chassis_id)); | |
611 | memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id, | |
612 | ARRAY_SIZE(p_remote->peer_port_id)); | |
613 | } | |
614 | ||
615 | static int | |
616 | qed_dcbx_get_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, | |
617 | struct qed_dcbx_get *p_params, | |
618 | enum qed_mib_read_type type) | |
619 | { | |
620 | switch (type) { | |
621 | case QED_DCBX_REMOTE_MIB: | |
622 | qed_dcbx_get_remote_params(p_hwfn, p_ptt, p_params); | |
623 | break; | |
624 | case QED_DCBX_LOCAL_MIB: | |
625 | qed_dcbx_get_local_params(p_hwfn, p_ptt, p_params); | |
626 | break; | |
627 | case QED_DCBX_OPERATIONAL_MIB: | |
628 | qed_dcbx_get_operational_params(p_hwfn, p_ptt, p_params); | |
629 | break; | |
630 | case QED_DCBX_REMOTE_LLDP_MIB: | |
631 | qed_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params); | |
632 | break; | |
633 | case QED_DCBX_LOCAL_LLDP_MIB: | |
634 | qed_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params); | |
635 | break; | |
636 | default: | |
637 | DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); | |
638 | return -EINVAL; | |
639 | } | |
640 | ||
641 | return 0; | |
642 | } | |
643 | #endif | |
644 | ||
39651abd SRK |
645 | static int |
646 | qed_dcbx_read_local_lldp_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) | |
647 | { | |
648 | struct qed_dcbx_mib_meta_data data; | |
649 | int rc = 0; | |
650 | ||
651 | memset(&data, 0, sizeof(data)); | |
652 | data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, | |
653 | lldp_config_params); | |
654 | data.lldp_local = p_hwfn->p_dcbx_info->lldp_local; | |
655 | data.size = sizeof(struct lldp_config_params_s); | |
656 | qed_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size); | |
657 | ||
658 | return rc; | |
659 | } | |
660 | ||
661 | static int | |
662 | qed_dcbx_read_remote_lldp_mib(struct qed_hwfn *p_hwfn, | |
663 | struct qed_ptt *p_ptt, | |
664 | enum qed_mib_read_type type) | |
665 | { | |
666 | struct qed_dcbx_mib_meta_data data; | |
667 | int rc = 0; | |
668 | ||
669 | memset(&data, 0, sizeof(data)); | |
670 | data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, | |
671 | lldp_status_params); | |
672 | data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote; | |
673 | data.size = sizeof(struct lldp_status_params_s); | |
674 | rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); | |
675 | ||
676 | return rc; | |
677 | } | |
678 | ||
679 | static int | |
680 | qed_dcbx_read_operational_mib(struct qed_hwfn *p_hwfn, | |
681 | struct qed_ptt *p_ptt, | |
682 | enum qed_mib_read_type type) | |
683 | { | |
684 | struct qed_dcbx_mib_meta_data data; | |
685 | int rc = 0; | |
686 | ||
687 | memset(&data, 0, sizeof(data)); | |
688 | data.addr = p_hwfn->mcp_info->port_addr + | |
689 | offsetof(struct public_port, operational_dcbx_mib); | |
690 | data.mib = &p_hwfn->p_dcbx_info->operational; | |
691 | data.size = sizeof(struct dcbx_mib); | |
692 | rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); | |
693 | ||
694 | return rc; | |
695 | } | |
696 | ||
697 | static int | |
698 | qed_dcbx_read_remote_mib(struct qed_hwfn *p_hwfn, | |
699 | struct qed_ptt *p_ptt, enum qed_mib_read_type type) | |
700 | { | |
701 | struct qed_dcbx_mib_meta_data data; | |
702 | int rc = 0; | |
703 | ||
704 | memset(&data, 0, sizeof(data)); | |
705 | data.addr = p_hwfn->mcp_info->port_addr + | |
706 | offsetof(struct public_port, remote_dcbx_mib); | |
707 | data.mib = &p_hwfn->p_dcbx_info->remote; | |
708 | data.size = sizeof(struct dcbx_mib); | |
709 | rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); | |
710 | ||
711 | return rc; | |
712 | } | |
713 | ||
714 | static int | |
715 | qed_dcbx_read_local_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) | |
716 | { | |
717 | struct qed_dcbx_mib_meta_data data; | |
718 | int rc = 0; | |
719 | ||
720 | memset(&data, 0, sizeof(data)); | |
721 | data.addr = p_hwfn->mcp_info->port_addr + | |
722 | offsetof(struct public_port, local_admin_dcbx_mib); | |
723 | data.local_admin = &p_hwfn->p_dcbx_info->local_admin; | |
724 | data.size = sizeof(struct dcbx_local_params); | |
725 | qed_memcpy_from(p_hwfn, p_ptt, data.local_admin, data.addr, data.size); | |
726 | ||
727 | return rc; | |
728 | } | |
729 | ||
730 | static int qed_dcbx_read_mib(struct qed_hwfn *p_hwfn, | |
731 | struct qed_ptt *p_ptt, enum qed_mib_read_type type) | |
732 | { | |
733 | int rc = -EINVAL; | |
734 | ||
735 | switch (type) { | |
736 | case QED_DCBX_OPERATIONAL_MIB: | |
737 | rc = qed_dcbx_read_operational_mib(p_hwfn, p_ptt, type); | |
738 | break; | |
739 | case QED_DCBX_REMOTE_MIB: | |
740 | rc = qed_dcbx_read_remote_mib(p_hwfn, p_ptt, type); | |
741 | break; | |
742 | case QED_DCBX_LOCAL_MIB: | |
743 | rc = qed_dcbx_read_local_mib(p_hwfn, p_ptt); | |
744 | break; | |
745 | case QED_DCBX_REMOTE_LLDP_MIB: | |
746 | rc = qed_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type); | |
747 | break; | |
748 | case QED_DCBX_LOCAL_LLDP_MIB: | |
749 | rc = qed_dcbx_read_local_lldp_mib(p_hwfn, p_ptt); | |
750 | break; | |
751 | default: | |
752 | DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); | |
753 | } | |
754 | ||
755 | return rc; | |
756 | } | |
757 | ||
758 | /* Read updated MIB. | |
759 | * Reconfigure QM and invoke PF update ramrod command if operational MIB | |
760 | * change is detected. | |
761 | */ | |
762 | int | |
763 | qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, | |
764 | struct qed_ptt *p_ptt, enum qed_mib_read_type type) | |
765 | { | |
766 | int rc = 0; | |
767 | ||
768 | rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type); | |
769 | if (rc) | |
770 | return rc; | |
771 | ||
772 | if (type == QED_DCBX_OPERATIONAL_MIB) { | |
773 | rc = qed_dcbx_process_mib_info(p_hwfn); | |
774 | if (!rc) { | |
775 | /* reconfigure tcs of QM queues according | |
776 | * to negotiation results | |
777 | */ | |
778 | qed_qm_reconf(p_hwfn, p_ptt); | |
779 | ||
780 | /* update storm FW with negotiation results */ | |
781 | qed_sp_pf_update(p_hwfn); | |
782 | } | |
783 | } | |
784 | ||
785 | return rc; | |
786 | } | |
787 | ||
788 | int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn) | |
789 | { | |
790 | int rc = 0; | |
791 | ||
792 | p_hwfn->p_dcbx_info = kzalloc(sizeof(*p_hwfn->p_dcbx_info), GFP_KERNEL); | |
793 | if (!p_hwfn->p_dcbx_info) { | |
794 | DP_NOTICE(p_hwfn, | |
795 | "Failed to allocate 'struct qed_dcbx_info'\n"); | |
796 | rc = -ENOMEM; | |
797 | } | |
798 | ||
799 | return rc; | |
800 | } | |
801 | ||
802 | void qed_dcbx_info_free(struct qed_hwfn *p_hwfn, | |
803 | struct qed_dcbx_info *p_dcbx_info) | |
804 | { | |
805 | kfree(p_hwfn->p_dcbx_info); | |
806 | } | |
807 | ||
808 | static void qed_dcbx_update_protocol_data(struct protocol_dcb_data *p_data, | |
809 | struct qed_dcbx_results *p_src, | |
810 | enum dcbx_protocol_type type) | |
811 | { | |
812 | p_data->dcb_enable_flag = p_src->arr[type].enable; | |
813 | p_data->dcb_priority = p_src->arr[type].priority; | |
814 | p_data->dcb_tc = p_src->arr[type].tc; | |
815 | } | |
816 | ||
817 | /* Set pf update ramrod command params */ | |
818 | void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, | |
819 | struct pf_update_ramrod_data *p_dest) | |
820 | { | |
821 | struct protocol_dcb_data *p_dcb_data; | |
822 | bool update_flag = false; | |
823 | ||
824 | p_dest->pf_id = p_src->pf_id; | |
825 | ||
826 | update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update; | |
827 | p_dest->update_fcoe_dcb_data_flag = update_flag; | |
828 | ||
829 | update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update; | |
830 | p_dest->update_roce_dcb_data_flag = update_flag; | |
831 | update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update; | |
832 | p_dest->update_roce_dcb_data_flag = update_flag; | |
833 | ||
834 | update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update; | |
835 | p_dest->update_iscsi_dcb_data_flag = update_flag; | |
836 | update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update; | |
837 | p_dest->update_eth_dcb_data_flag = update_flag; | |
838 | ||
839 | p_dcb_data = &p_dest->fcoe_dcb_data; | |
840 | qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE); | |
841 | p_dcb_data = &p_dest->roce_dcb_data; | |
842 | ||
843 | if (p_src->arr[DCBX_PROTOCOL_ROCE].update) | |
844 | qed_dcbx_update_protocol_data(p_dcb_data, p_src, | |
845 | DCBX_PROTOCOL_ROCE); | |
846 | if (p_src->arr[DCBX_PROTOCOL_ROCE_V2].update) | |
847 | qed_dcbx_update_protocol_data(p_dcb_data, p_src, | |
848 | DCBX_PROTOCOL_ROCE_V2); | |
849 | ||
850 | p_dcb_data = &p_dest->iscsi_dcb_data; | |
851 | qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI); | |
852 | p_dcb_data = &p_dest->eth_dcb_data; | |
853 | qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH); | |
854 | } | |
6ad8c632 SRK |
855 | |
856 | #ifdef CONFIG_DCB | |
857 | static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn, | |
858 | struct qed_dcbx_get *p_get, | |
859 | enum qed_mib_read_type type) | |
860 | { | |
861 | struct qed_ptt *p_ptt; | |
862 | int rc; | |
863 | ||
864 | p_ptt = qed_ptt_acquire(p_hwfn); | |
865 | if (!p_ptt) | |
866 | return -EBUSY; | |
867 | ||
868 | rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type); | |
869 | if (rc) | |
870 | goto out; | |
871 | ||
872 | rc = qed_dcbx_get_params(p_hwfn, p_ptt, p_get, type); | |
873 | ||
874 | out: | |
875 | qed_ptt_release(p_hwfn, p_ptt); | |
876 | return rc; | |
877 | } | |
878 | ||
879 | static void | |
880 | qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn, | |
881 | u32 *pfc, struct qed_dcbx_params *p_params) | |
882 | { | |
883 | u8 pfc_map = 0; | |
884 | int i; | |
885 | ||
886 | if (p_params->pfc.willing) | |
887 | *pfc |= DCBX_PFC_WILLING_MASK; | |
888 | else | |
889 | *pfc &= ~DCBX_PFC_WILLING_MASK; | |
890 | ||
891 | if (p_params->pfc.enabled) | |
892 | *pfc |= DCBX_PFC_ENABLED_MASK; | |
893 | else | |
894 | *pfc &= ~DCBX_PFC_ENABLED_MASK; | |
895 | ||
896 | *pfc &= ~DCBX_PFC_CAPS_MASK; | |
897 | *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT; | |
898 | ||
899 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | |
900 | if (p_params->pfc.prio[i]) | |
901 | pfc_map |= BIT(i); | |
902 | ||
903 | *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT); | |
904 | ||
905 | DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc); | |
906 | } | |
907 | ||
908 | static void | |
909 | qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn, | |
910 | struct dcbx_ets_feature *p_ets, | |
911 | struct qed_dcbx_params *p_params) | |
912 | { | |
913 | u8 *bw_map, *tsa_map; | |
914 | u32 val; | |
915 | int i; | |
916 | ||
917 | if (p_params->ets_willing) | |
918 | p_ets->flags |= DCBX_ETS_WILLING_MASK; | |
919 | else | |
920 | p_ets->flags &= ~DCBX_ETS_WILLING_MASK; | |
921 | ||
922 | if (p_params->ets_cbs) | |
923 | p_ets->flags |= DCBX_ETS_CBS_MASK; | |
924 | else | |
925 | p_ets->flags &= ~DCBX_ETS_CBS_MASK; | |
926 | ||
927 | if (p_params->ets_enabled) | |
928 | p_ets->flags |= DCBX_ETS_ENABLED_MASK; | |
929 | else | |
930 | p_ets->flags &= ~DCBX_ETS_ENABLED_MASK; | |
931 | ||
932 | p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK; | |
933 | p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT; | |
934 | ||
935 | bw_map = (u8 *)&p_ets->tc_bw_tbl[0]; | |
936 | tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0]; | |
937 | p_ets->pri_tc_tbl[0] = 0; | |
938 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { | |
939 | bw_map[i] = p_params->ets_tc_bw_tbl[i]; | |
940 | tsa_map[i] = p_params->ets_tc_tsa_tbl[i]; | |
941 | /* Copy the priority value to the corresponding 4 bits in the | |
942 | * traffic class table. | |
943 | */ | |
944 | val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4)); | |
945 | p_ets->pri_tc_tbl[0] |= val; | |
946 | } | |
947 | p_ets->pri_tc_tbl[0] = cpu_to_be32(p_ets->pri_tc_tbl[0]); | |
948 | for (i = 0; i < 2; i++) { | |
949 | p_ets->tc_bw_tbl[i] = cpu_to_be32(p_ets->tc_bw_tbl[i]); | |
950 | p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]); | |
951 | } | |
952 | } | |
953 | ||
954 | static void | |
955 | qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, | |
956 | struct dcbx_app_priority_feature *p_app, | |
957 | struct qed_dcbx_params *p_params) | |
958 | { | |
959 | u32 *entry; | |
960 | int i; | |
961 | ||
962 | if (p_params->app_willing) | |
963 | p_app->flags |= DCBX_APP_WILLING_MASK; | |
964 | else | |
965 | p_app->flags &= ~DCBX_APP_WILLING_MASK; | |
966 | ||
967 | if (p_params->app_valid) | |
968 | p_app->flags |= DCBX_APP_ENABLED_MASK; | |
969 | else | |
970 | p_app->flags &= ~DCBX_APP_ENABLED_MASK; | |
971 | ||
972 | p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK; | |
973 | p_app->flags |= (u32)p_params->num_app_entries << | |
974 | DCBX_APP_NUM_ENTRIES_SHIFT; | |
975 | ||
976 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | |
977 | entry = &p_app->app_pri_tbl[i].entry; | |
978 | *entry &= ~DCBX_APP_SF_MASK; | |
979 | if (p_params->app_entry[i].ethtype) | |
980 | *entry |= ((u32)DCBX_APP_SF_ETHTYPE << | |
981 | DCBX_APP_SF_SHIFT); | |
982 | else | |
983 | *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT); | |
984 | *entry &= ~DCBX_APP_PROTOCOL_ID_MASK; | |
985 | *entry |= ((u32)p_params->app_entry[i].proto_id << | |
986 | DCBX_APP_PROTOCOL_ID_SHIFT); | |
987 | *entry &= ~DCBX_APP_PRI_MAP_MASK; | |
988 | *entry |= ((u32)(p_params->app_entry[i].prio) << | |
989 | DCBX_APP_PRI_MAP_SHIFT); | |
990 | } | |
991 | } | |
992 | ||
993 | static void | |
994 | qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn, | |
995 | struct dcbx_local_params *local_admin, | |
996 | struct qed_dcbx_set *params) | |
997 | { | |
998 | local_admin->flags = 0; | |
999 | memcpy(&local_admin->features, | |
1000 | &p_hwfn->p_dcbx_info->operational.features, | |
1001 | sizeof(local_admin->features)); | |
1002 | ||
1003 | if (params->enabled) | |
1004 | local_admin->config = params->ver_num; | |
1005 | else | |
1006 | local_admin->config = DCBX_CONFIG_VERSION_DISABLED; | |
1007 | ||
1008 | if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG) | |
1009 | qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc, | |
1010 | ¶ms->config.params); | |
1011 | ||
1012 | if (params->override_flags & QED_DCBX_OVERRIDE_ETS_CFG) | |
1013 | qed_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets, | |
1014 | ¶ms->config.params); | |
1015 | ||
1016 | if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG) | |
1017 | qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app, | |
1018 | ¶ms->config.params); | |
1019 | } | |
1020 | ||
1021 | int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, | |
1022 | struct qed_dcbx_set *params, bool hw_commit) | |
1023 | { | |
1024 | struct dcbx_local_params local_admin; | |
1025 | struct qed_dcbx_mib_meta_data data; | |
1026 | u32 resp = 0, param = 0; | |
1027 | int rc = 0; | |
1028 | ||
1029 | if (!hw_commit) { | |
1030 | memcpy(&p_hwfn->p_dcbx_info->set, params, | |
1031 | sizeof(struct qed_dcbx_set)); | |
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | /* clear set-parmas cache */ | |
1036 | memset(&p_hwfn->p_dcbx_info->set, 0, sizeof(p_hwfn->p_dcbx_info->set)); | |
1037 | ||
1038 | memset(&local_admin, 0, sizeof(local_admin)); | |
1039 | qed_dcbx_set_local_params(p_hwfn, &local_admin, params); | |
1040 | ||
1041 | data.addr = p_hwfn->mcp_info->port_addr + | |
1042 | offsetof(struct public_port, local_admin_dcbx_mib); | |
1043 | data.local_admin = &local_admin; | |
1044 | data.size = sizeof(struct dcbx_local_params); | |
1045 | qed_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size); | |
1046 | ||
1047 | rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX, | |
1048 | 1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, ¶m); | |
1049 | if (rc) | |
1050 | DP_NOTICE(p_hwfn, "Failed to send DCBX update request\n"); | |
1051 | ||
1052 | return rc; | |
1053 | } | |
1054 | ||
1055 | int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, | |
1056 | struct qed_dcbx_set *params) | |
1057 | { | |
1058 | struct qed_dcbx_get *dcbx_info; | |
1059 | int rc; | |
1060 | ||
1061 | if (p_hwfn->p_dcbx_info->set.config.valid) { | |
1062 | memcpy(params, &p_hwfn->p_dcbx_info->set, | |
1063 | sizeof(struct qed_dcbx_set)); | |
1064 | return 0; | |
1065 | } | |
1066 | ||
1067 | dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL); | |
1068 | if (!dcbx_info) { | |
1069 | DP_ERR(p_hwfn, "Failed to allocate struct qed_dcbx_info\n"); | |
1070 | return -ENOMEM; | |
1071 | } | |
1072 | ||
1073 | rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB); | |
1074 | if (rc) { | |
1075 | kfree(dcbx_info); | |
1076 | return rc; | |
1077 | } | |
1078 | ||
1079 | p_hwfn->p_dcbx_info->set.override_flags = 0; | |
1080 | p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED; | |
1081 | if (dcbx_info->operational.cee) | |
1082 | p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE; | |
1083 | if (dcbx_info->operational.ieee) | |
1084 | p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE; | |
1085 | ||
1086 | p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled; | |
1087 | memcpy(&p_hwfn->p_dcbx_info->set.config.params, | |
1088 | &dcbx_info->operational.params, | |
1089 | sizeof(struct qed_dcbx_admin_params)); | |
1090 | p_hwfn->p_dcbx_info->set.config.valid = true; | |
1091 | ||
1092 | memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set)); | |
1093 | ||
1094 | kfree(dcbx_info); | |
1095 | ||
1096 | return 0; | |
1097 | } | |
a1d8d8a5 SRK |
1098 | |
1099 | static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn, | |
1100 | enum qed_mib_read_type type) | |
1101 | { | |
1102 | struct qed_dcbx_get *dcbx_info; | |
1103 | ||
1104 | dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL); | |
1105 | if (!dcbx_info) { | |
1106 | DP_ERR(hwfn->cdev, "Failed to allocate memory for dcbx_info\n"); | |
1107 | return NULL; | |
1108 | } | |
1109 | ||
1110 | if (qed_dcbx_query_params(hwfn, dcbx_info, type)) { | |
1111 | kfree(dcbx_info); | |
1112 | return NULL; | |
1113 | } | |
1114 | ||
1115 | if ((type == QED_DCBX_OPERATIONAL_MIB) && | |
1116 | !dcbx_info->operational.enabled) { | |
1117 | DP_INFO(hwfn, "DCBX is not enabled/operational\n"); | |
1118 | kfree(dcbx_info); | |
1119 | return NULL; | |
1120 | } | |
1121 | ||
1122 | return dcbx_info; | |
1123 | } | |
1124 | ||
1125 | static u8 qed_dcbnl_getstate(struct qed_dev *cdev) | |
1126 | { | |
1127 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1128 | struct qed_dcbx_get *dcbx_info; | |
1129 | bool enabled; | |
1130 | ||
1131 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1132 | if (!dcbx_info) | |
1133 | return 0; | |
1134 | ||
1135 | enabled = dcbx_info->operational.enabled; | |
1136 | DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", enabled); | |
1137 | kfree(dcbx_info); | |
1138 | ||
1139 | return enabled; | |
1140 | } | |
1141 | ||
1142 | static u8 qed_dcbnl_setstate(struct qed_dev *cdev, u8 state) | |
1143 | { | |
1144 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1145 | struct qed_dcbx_set dcbx_set; | |
1146 | struct qed_ptt *ptt; | |
1147 | int rc; | |
1148 | ||
1149 | DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", state); | |
1150 | ||
1151 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1152 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1153 | if (rc) | |
1154 | return 1; | |
1155 | ||
1156 | dcbx_set.enabled = !!state; | |
1157 | ||
1158 | ptt = qed_ptt_acquire(hwfn); | |
1159 | if (!ptt) | |
1160 | return 1; | |
1161 | ||
1162 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1163 | ||
1164 | qed_ptt_release(hwfn, ptt); | |
1165 | ||
1166 | return rc ? 1 : 0; | |
1167 | } | |
1168 | ||
1169 | static void qed_dcbnl_getpgtccfgtx(struct qed_dev *cdev, int tc, u8 *prio_type, | |
1170 | u8 *pgid, u8 *bw_pct, u8 *up_map) | |
1171 | { | |
1172 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1173 | struct qed_dcbx_get *dcbx_info; | |
1174 | ||
1175 | DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d\n", tc); | |
1176 | *prio_type = *pgid = *bw_pct = *up_map = 0; | |
1177 | if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) { | |
1178 | DP_INFO(hwfn, "Invalid tc %d\n", tc); | |
1179 | return; | |
1180 | } | |
1181 | ||
1182 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1183 | if (!dcbx_info) | |
1184 | return; | |
1185 | ||
1186 | *pgid = dcbx_info->operational.params.ets_pri_tc_tbl[tc]; | |
1187 | kfree(dcbx_info); | |
1188 | } | |
1189 | ||
1190 | static void qed_dcbnl_getpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 *bw_pct) | |
1191 | { | |
1192 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1193 | struct qed_dcbx_get *dcbx_info; | |
1194 | ||
1195 | *bw_pct = 0; | |
1196 | DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d\n", pgid); | |
1197 | if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) { | |
1198 | DP_INFO(hwfn, "Invalid pgid %d\n", pgid); | |
1199 | return; | |
1200 | } | |
1201 | ||
1202 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1203 | if (!dcbx_info) | |
1204 | return; | |
1205 | ||
1206 | *bw_pct = dcbx_info->operational.params.ets_tc_bw_tbl[pgid]; | |
1207 | DP_VERBOSE(hwfn, QED_MSG_DCB, "bw_pct = %d\n", *bw_pct); | |
1208 | kfree(dcbx_info); | |
1209 | } | |
1210 | ||
1211 | static void qed_dcbnl_getpgtccfgrx(struct qed_dev *cdev, int tc, u8 *prio, | |
1212 | u8 *bwg_id, u8 *bw_pct, u8 *up_map) | |
1213 | { | |
1214 | DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | |
1215 | *prio = *bwg_id = *bw_pct = *up_map = 0; | |
1216 | } | |
1217 | ||
1218 | static void qed_dcbnl_getpgbwgcfgrx(struct qed_dev *cdev, | |
1219 | int bwg_id, u8 *bw_pct) | |
1220 | { | |
1221 | DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | |
1222 | *bw_pct = 0; | |
1223 | } | |
1224 | ||
1225 | static void qed_dcbnl_getpfccfg(struct qed_dev *cdev, | |
1226 | int priority, u8 *setting) | |
1227 | { | |
1228 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1229 | struct qed_dcbx_get *dcbx_info; | |
1230 | ||
1231 | DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d\n", priority); | |
1232 | if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) { | |
1233 | DP_INFO(hwfn, "Invalid priority %d\n", priority); | |
1234 | return; | |
1235 | } | |
1236 | ||
1237 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1238 | if (!dcbx_info) | |
1239 | return; | |
1240 | ||
1241 | *setting = dcbx_info->operational.params.pfc.prio[priority]; | |
1242 | DP_VERBOSE(hwfn, QED_MSG_DCB, "setting = %d\n", *setting); | |
1243 | kfree(dcbx_info); | |
1244 | } | |
1245 | ||
1246 | static void qed_dcbnl_setpfccfg(struct qed_dev *cdev, int priority, u8 setting) | |
1247 | { | |
1248 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1249 | struct qed_dcbx_set dcbx_set; | |
1250 | struct qed_ptt *ptt; | |
1251 | int rc; | |
1252 | ||
1253 | DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d setting = %d\n", | |
1254 | priority, setting); | |
1255 | if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) { | |
1256 | DP_INFO(hwfn, "Invalid priority %d\n", priority); | |
1257 | return; | |
1258 | } | |
1259 | ||
1260 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1261 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1262 | if (rc) | |
1263 | return; | |
1264 | ||
1265 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | |
1266 | dcbx_set.config.params.pfc.prio[priority] = !!setting; | |
1267 | ||
1268 | ptt = qed_ptt_acquire(hwfn); | |
1269 | if (!ptt) | |
1270 | return; | |
1271 | ||
1272 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1273 | ||
1274 | qed_ptt_release(hwfn, ptt); | |
1275 | } | |
1276 | ||
1277 | static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap) | |
1278 | { | |
1279 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1280 | struct qed_dcbx_get *dcbx_info; | |
1281 | int rc = 0; | |
1282 | ||
1283 | DP_VERBOSE(hwfn, QED_MSG_DCB, "capid = %d\n", capid); | |
1284 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1285 | if (!dcbx_info) | |
1286 | return 1; | |
1287 | ||
1288 | switch (capid) { | |
1289 | case DCB_CAP_ATTR_PG: | |
1290 | case DCB_CAP_ATTR_PFC: | |
1291 | case DCB_CAP_ATTR_UP2TC: | |
1292 | case DCB_CAP_ATTR_GSP: | |
1293 | *cap = true; | |
1294 | break; | |
1295 | case DCB_CAP_ATTR_PG_TCS: | |
1296 | case DCB_CAP_ATTR_PFC_TCS: | |
1297 | *cap = 0x80; | |
1298 | break; | |
1299 | case DCB_CAP_ATTR_DCBX: | |
1300 | *cap = (DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE | | |
1301 | DCB_CAP_DCBX_VER_IEEE); | |
1302 | break; | |
1303 | default: | |
1304 | *cap = false; | |
1305 | rc = 1; | |
1306 | } | |
1307 | ||
1308 | DP_VERBOSE(hwfn, QED_MSG_DCB, "id = %d caps = %d\n", capid, *cap); | |
1309 | kfree(dcbx_info); | |
1310 | ||
1311 | return rc; | |
1312 | } | |
1313 | ||
1314 | static int qed_dcbnl_getnumtcs(struct qed_dev *cdev, int tcid, u8 *num) | |
1315 | { | |
1316 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1317 | struct qed_dcbx_get *dcbx_info; | |
1318 | int rc = 0; | |
1319 | ||
1320 | DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d\n", tcid); | |
1321 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1322 | if (!dcbx_info) | |
1323 | return -EINVAL; | |
1324 | ||
1325 | switch (tcid) { | |
1326 | case DCB_NUMTCS_ATTR_PG: | |
1327 | *num = dcbx_info->operational.params.max_ets_tc; | |
1328 | break; | |
1329 | case DCB_NUMTCS_ATTR_PFC: | |
1330 | *num = dcbx_info->operational.params.pfc.max_tc; | |
1331 | break; | |
1332 | default: | |
1333 | rc = -EINVAL; | |
1334 | } | |
1335 | ||
1336 | kfree(dcbx_info); | |
1337 | DP_VERBOSE(hwfn, QED_MSG_DCB, "numtcs = %d\n", *num); | |
1338 | ||
1339 | return rc; | |
1340 | } | |
1341 | ||
1342 | static u8 qed_dcbnl_getpfcstate(struct qed_dev *cdev) | |
1343 | { | |
1344 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1345 | struct qed_dcbx_get *dcbx_info; | |
1346 | bool enabled; | |
1347 | ||
1348 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1349 | if (!dcbx_info) | |
1350 | return 0; | |
1351 | ||
1352 | enabled = dcbx_info->operational.params.pfc.enabled; | |
1353 | DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d\n", enabled); | |
1354 | kfree(dcbx_info); | |
1355 | ||
1356 | return enabled; | |
1357 | } | |
1358 | ||
1359 | static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev) | |
1360 | { | |
1361 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1362 | struct qed_dcbx_get *dcbx_info; | |
1363 | u8 mode = 0; | |
1364 | ||
1365 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1366 | if (!dcbx_info) | |
1367 | return 0; | |
1368 | ||
1369 | if (dcbx_info->operational.enabled) | |
1370 | mode |= DCB_CAP_DCBX_LLD_MANAGED; | |
1371 | if (dcbx_info->operational.ieee) | |
1372 | mode |= DCB_CAP_DCBX_VER_IEEE; | |
1373 | if (dcbx_info->operational.cee) | |
1374 | mode |= DCB_CAP_DCBX_VER_CEE; | |
1375 | ||
1376 | DP_VERBOSE(hwfn, QED_MSG_DCB, "dcb mode = %d\n", mode); | |
1377 | kfree(dcbx_info); | |
1378 | ||
1379 | return mode; | |
1380 | } | |
1381 | ||
1382 | static void qed_dcbnl_setpgtccfgtx(struct qed_dev *cdev, | |
1383 | int tc, | |
1384 | u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map) | |
1385 | { | |
1386 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1387 | struct qed_dcbx_set dcbx_set; | |
1388 | struct qed_ptt *ptt; | |
1389 | int rc; | |
1390 | ||
1391 | DP_VERBOSE(hwfn, QED_MSG_DCB, | |
1392 | "tc = %d pri_type = %d pgid = %d bw_pct = %d up_map = %d\n", | |
1393 | tc, pri_type, pgid, bw_pct, up_map); | |
1394 | ||
1395 | if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) { | |
1396 | DP_INFO(hwfn, "Invalid tc %d\n", tc); | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1401 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1402 | if (rc) | |
1403 | return; | |
1404 | ||
1405 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | |
1406 | dcbx_set.config.params.ets_pri_tc_tbl[tc] = pgid; | |
1407 | ||
1408 | ptt = qed_ptt_acquire(hwfn); | |
1409 | if (!ptt) | |
1410 | return; | |
1411 | ||
1412 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1413 | ||
1414 | qed_ptt_release(hwfn, ptt); | |
1415 | } | |
1416 | ||
1417 | static void qed_dcbnl_setpgtccfgrx(struct qed_dev *cdev, int prio, | |
1418 | u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map) | |
1419 | { | |
1420 | DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | |
1421 | } | |
1422 | ||
1423 | static void qed_dcbnl_setpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 bw_pct) | |
1424 | { | |
1425 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1426 | struct qed_dcbx_set dcbx_set; | |
1427 | struct qed_ptt *ptt; | |
1428 | int rc; | |
1429 | ||
1430 | DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d bw_pct = %d\n", pgid, bw_pct); | |
1431 | if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) { | |
1432 | DP_INFO(hwfn, "Invalid pgid %d\n", pgid); | |
1433 | return; | |
1434 | } | |
1435 | ||
1436 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1437 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1438 | if (rc) | |
1439 | return; | |
1440 | ||
1441 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | |
1442 | dcbx_set.config.params.ets_tc_bw_tbl[pgid] = bw_pct; | |
1443 | ||
1444 | ptt = qed_ptt_acquire(hwfn); | |
1445 | if (!ptt) | |
1446 | return; | |
1447 | ||
1448 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1449 | ||
1450 | qed_ptt_release(hwfn, ptt); | |
1451 | } | |
1452 | ||
1453 | static void qed_dcbnl_setpgbwgcfgrx(struct qed_dev *cdev, int pgid, u8 bw_pct) | |
1454 | { | |
1455 | DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | |
1456 | } | |
1457 | ||
1458 | static u8 qed_dcbnl_setall(struct qed_dev *cdev) | |
1459 | { | |
1460 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1461 | struct qed_dcbx_set dcbx_set; | |
1462 | struct qed_ptt *ptt; | |
1463 | int rc; | |
1464 | ||
1465 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1466 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1467 | if (rc) | |
1468 | return 1; | |
1469 | ||
1470 | ptt = qed_ptt_acquire(hwfn); | |
1471 | if (!ptt) | |
1472 | return 1; | |
1473 | ||
1474 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 1); | |
1475 | ||
1476 | qed_ptt_release(hwfn, ptt); | |
1477 | ||
1478 | return rc; | |
1479 | } | |
1480 | ||
1481 | static int qed_dcbnl_setnumtcs(struct qed_dev *cdev, int tcid, u8 num) | |
1482 | { | |
1483 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1484 | struct qed_dcbx_set dcbx_set; | |
1485 | struct qed_ptt *ptt; | |
1486 | int rc; | |
1487 | ||
1488 | DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d num = %d\n", tcid, num); | |
1489 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1490 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1491 | if (rc) | |
1492 | return 1; | |
1493 | ||
1494 | switch (tcid) { | |
1495 | case DCB_NUMTCS_ATTR_PG: | |
1496 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | |
1497 | dcbx_set.config.params.max_ets_tc = num; | |
1498 | break; | |
1499 | case DCB_NUMTCS_ATTR_PFC: | |
1500 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | |
1501 | dcbx_set.config.params.pfc.max_tc = num; | |
1502 | break; | |
1503 | default: | |
1504 | DP_INFO(hwfn, "Invalid tcid %d\n", tcid); | |
1505 | return -EINVAL; | |
1506 | } | |
1507 | ||
1508 | ptt = qed_ptt_acquire(hwfn); | |
1509 | if (!ptt) | |
1510 | return -EINVAL; | |
1511 | ||
1512 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1513 | ||
1514 | qed_ptt_release(hwfn, ptt); | |
1515 | ||
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | static void qed_dcbnl_setpfcstate(struct qed_dev *cdev, u8 state) | |
1520 | { | |
1521 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1522 | struct qed_dcbx_set dcbx_set; | |
1523 | struct qed_ptt *ptt; | |
1524 | int rc; | |
1525 | ||
1526 | DP_VERBOSE(hwfn, QED_MSG_DCB, "new state = %d\n", state); | |
1527 | ||
1528 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1529 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1530 | if (rc) | |
1531 | return; | |
1532 | ||
1533 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | |
1534 | dcbx_set.config.params.pfc.enabled = !!state; | |
1535 | ||
1536 | ptt = qed_ptt_acquire(hwfn); | |
1537 | if (!ptt) | |
1538 | return; | |
1539 | ||
1540 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1541 | ||
1542 | qed_ptt_release(hwfn, ptt); | |
1543 | } | |
1544 | ||
1545 | static int qed_dcbnl_getapp(struct qed_dev *cdev, u8 idtype, u16 idval) | |
1546 | { | |
1547 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1548 | struct qed_dcbx_get *dcbx_info; | |
1549 | struct qed_app_entry *entry; | |
1550 | bool ethtype; | |
1551 | u8 prio = 0; | |
1552 | int i; | |
1553 | ||
1554 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1555 | if (!dcbx_info) | |
1556 | return -EINVAL; | |
1557 | ||
1558 | ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE); | |
1559 | for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | |
1560 | entry = &dcbx_info->operational.params.app_entry[i]; | |
1561 | if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) { | |
1562 | prio = entry->prio; | |
1563 | break; | |
1564 | } | |
1565 | } | |
1566 | ||
1567 | if (i == QED_DCBX_MAX_APP_PROTOCOL) { | |
1568 | DP_ERR(cdev, "App entry (%d, %d) not found\n", idtype, idval); | |
1569 | kfree(dcbx_info); | |
1570 | return -EINVAL; | |
1571 | } | |
1572 | ||
1573 | kfree(dcbx_info); | |
1574 | ||
1575 | return prio; | |
1576 | } | |
1577 | ||
1578 | static int qed_dcbnl_setapp(struct qed_dev *cdev, | |
1579 | u8 idtype, u16 idval, u8 pri_map) | |
1580 | { | |
1581 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1582 | struct qed_dcbx_set dcbx_set; | |
1583 | struct qed_app_entry *entry; | |
1584 | struct qed_ptt *ptt; | |
1585 | bool ethtype; | |
1586 | int rc, i; | |
1587 | ||
1588 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1589 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1590 | if (rc) | |
1591 | return -EINVAL; | |
1592 | ||
1593 | ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE); | |
1594 | for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | |
1595 | entry = &dcbx_set.config.params.app_entry[i]; | |
1596 | if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) | |
1597 | break; | |
1598 | /* First empty slot */ | |
1599 | if (!entry->proto_id) | |
1600 | break; | |
1601 | } | |
1602 | ||
1603 | if (i == QED_DCBX_MAX_APP_PROTOCOL) { | |
1604 | DP_ERR(cdev, "App table is full\n"); | |
1605 | return -EBUSY; | |
1606 | } | |
1607 | ||
1608 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; | |
1609 | dcbx_set.config.params.app_entry[i].ethtype = ethtype; | |
1610 | dcbx_set.config.params.app_entry[i].proto_id = idval; | |
1611 | dcbx_set.config.params.app_entry[i].prio = pri_map; | |
1612 | ||
1613 | ptt = qed_ptt_acquire(hwfn); | |
1614 | if (!ptt) | |
1615 | return -EBUSY; | |
1616 | ||
1617 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1618 | ||
1619 | qed_ptt_release(hwfn, ptt); | |
1620 | ||
1621 | return rc; | |
1622 | } | |
1623 | ||
1624 | static u8 qed_dcbnl_setdcbx(struct qed_dev *cdev, u8 mode) | |
1625 | { | |
1626 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1627 | struct qed_dcbx_set dcbx_set; | |
1628 | struct qed_ptt *ptt; | |
1629 | int rc; | |
1630 | ||
1631 | DP_VERBOSE(hwfn, QED_MSG_DCB, "new mode = %x\n", mode); | |
1632 | ||
1633 | if (!(mode & DCB_CAP_DCBX_VER_IEEE) && !(mode & DCB_CAP_DCBX_VER_CEE)) { | |
1634 | DP_INFO(hwfn, "Allowed mode is cee, ieee or both\n"); | |
1635 | return 1; | |
1636 | } | |
1637 | ||
1638 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1639 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1640 | if (rc) | |
1641 | return 1; | |
1642 | ||
1643 | dcbx_set.ver_num = 0; | |
1644 | if (mode & DCB_CAP_DCBX_VER_CEE) { | |
1645 | dcbx_set.ver_num |= DCBX_CONFIG_VERSION_CEE; | |
1646 | dcbx_set.enabled = true; | |
1647 | } | |
1648 | ||
1649 | if (mode & DCB_CAP_DCBX_VER_IEEE) { | |
1650 | dcbx_set.ver_num |= DCBX_CONFIG_VERSION_IEEE; | |
1651 | dcbx_set.enabled = true; | |
1652 | } | |
1653 | ||
1654 | ptt = qed_ptt_acquire(hwfn); | |
1655 | if (!ptt) | |
1656 | return 1; | |
1657 | ||
1658 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1659 | ||
1660 | qed_ptt_release(hwfn, ptt); | |
1661 | ||
1662 | return 0; | |
1663 | } | |
1664 | ||
1665 | static u8 qed_dcbnl_getfeatcfg(struct qed_dev *cdev, int featid, u8 *flags) | |
1666 | { | |
1667 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1668 | struct qed_dcbx_get *dcbx_info; | |
1669 | ||
1670 | DP_VERBOSE(hwfn, QED_MSG_DCB, "Feature id = %d\n", featid); | |
1671 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1672 | if (!dcbx_info) | |
1673 | return 1; | |
1674 | ||
1675 | *flags = 0; | |
1676 | switch (featid) { | |
1677 | case DCB_FEATCFG_ATTR_PG: | |
1678 | if (dcbx_info->operational.params.ets_enabled) | |
1679 | *flags = DCB_FEATCFG_ENABLE; | |
1680 | else | |
1681 | *flags = DCB_FEATCFG_ERROR; | |
1682 | break; | |
1683 | case DCB_FEATCFG_ATTR_PFC: | |
1684 | if (dcbx_info->operational.params.pfc.enabled) | |
1685 | *flags = DCB_FEATCFG_ENABLE; | |
1686 | else | |
1687 | *flags = DCB_FEATCFG_ERROR; | |
1688 | break; | |
1689 | case DCB_FEATCFG_ATTR_APP: | |
1690 | if (dcbx_info->operational.params.app_valid) | |
1691 | *flags = DCB_FEATCFG_ENABLE; | |
1692 | else | |
1693 | *flags = DCB_FEATCFG_ERROR; | |
1694 | break; | |
1695 | default: | |
1696 | DP_INFO(hwfn, "Invalid feature-ID %d\n", featid); | |
1697 | kfree(dcbx_info); | |
1698 | return 1; | |
1699 | } | |
1700 | ||
1701 | DP_VERBOSE(hwfn, QED_MSG_DCB, "flags = %d\n", *flags); | |
1702 | kfree(dcbx_info); | |
1703 | ||
1704 | return 0; | |
1705 | } | |
1706 | ||
1707 | static u8 qed_dcbnl_setfeatcfg(struct qed_dev *cdev, int featid, u8 flags) | |
1708 | { | |
1709 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1710 | struct qed_dcbx_set dcbx_set; | |
1711 | bool enabled, willing; | |
1712 | struct qed_ptt *ptt; | |
1713 | int rc; | |
1714 | ||
1715 | DP_VERBOSE(hwfn, QED_MSG_DCB, "featid = %d flags = %d\n", | |
1716 | featid, flags); | |
1717 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1718 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1719 | if (rc) | |
1720 | return 1; | |
1721 | ||
1722 | enabled = !!(flags & DCB_FEATCFG_ENABLE); | |
1723 | willing = !!(flags & DCB_FEATCFG_WILLING); | |
1724 | switch (featid) { | |
1725 | case DCB_FEATCFG_ATTR_PG: | |
1726 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | |
1727 | dcbx_set.config.params.ets_enabled = enabled; | |
1728 | dcbx_set.config.params.ets_willing = willing; | |
1729 | break; | |
1730 | case DCB_FEATCFG_ATTR_PFC: | |
1731 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | |
1732 | dcbx_set.config.params.pfc.enabled = enabled; | |
1733 | dcbx_set.config.params.pfc.willing = willing; | |
1734 | break; | |
1735 | case DCB_FEATCFG_ATTR_APP: | |
1736 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; | |
1737 | dcbx_set.config.params.app_willing = willing; | |
1738 | break; | |
1739 | default: | |
1740 | DP_INFO(hwfn, "Invalid feature-ID %d\n", featid); | |
1741 | return 1; | |
1742 | } | |
1743 | ||
1744 | ptt = qed_ptt_acquire(hwfn); | |
1745 | if (!ptt) | |
1746 | return 1; | |
1747 | ||
1748 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1749 | ||
1750 | qed_ptt_release(hwfn, ptt); | |
1751 | ||
1752 | return 0; | |
1753 | } | |
1754 | ||
1755 | static int qed_dcbnl_peer_getappinfo(struct qed_dev *cdev, | |
1756 | struct dcb_peer_app_info *info, | |
1757 | u16 *app_count) | |
1758 | { | |
1759 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1760 | struct qed_dcbx_get *dcbx_info; | |
1761 | ||
1762 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | |
1763 | if (!dcbx_info) | |
1764 | return -EINVAL; | |
1765 | ||
1766 | info->willing = dcbx_info->remote.params.app_willing; | |
1767 | info->error = dcbx_info->remote.params.app_error; | |
1768 | *app_count = dcbx_info->remote.params.num_app_entries; | |
1769 | kfree(dcbx_info); | |
1770 | ||
1771 | return 0; | |
1772 | } | |
1773 | ||
1774 | static int qed_dcbnl_peer_getapptable(struct qed_dev *cdev, | |
1775 | struct dcb_app *table) | |
1776 | { | |
1777 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1778 | struct qed_dcbx_get *dcbx_info; | |
1779 | int i; | |
1780 | ||
1781 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | |
1782 | if (!dcbx_info) | |
1783 | return -EINVAL; | |
1784 | ||
1785 | for (i = 0; i < dcbx_info->remote.params.num_app_entries; i++) { | |
1786 | if (dcbx_info->remote.params.app_entry[i].ethtype) | |
1787 | table[i].selector = DCB_APP_IDTYPE_ETHTYPE; | |
1788 | else | |
1789 | table[i].selector = DCB_APP_IDTYPE_PORTNUM; | |
1790 | table[i].priority = dcbx_info->remote.params.app_entry[i].prio; | |
1791 | table[i].protocol = | |
1792 | dcbx_info->remote.params.app_entry[i].proto_id; | |
1793 | } | |
1794 | ||
1795 | kfree(dcbx_info); | |
1796 | ||
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | static int qed_dcbnl_cee_peer_getpfc(struct qed_dev *cdev, struct cee_pfc *pfc) | |
1801 | { | |
1802 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1803 | struct qed_dcbx_get *dcbx_info; | |
1804 | int i; | |
1805 | ||
1806 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | |
1807 | if (!dcbx_info) | |
1808 | return -EINVAL; | |
1809 | ||
1810 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | |
1811 | if (dcbx_info->remote.params.pfc.prio[i]) | |
1812 | pfc->pfc_en |= BIT(i); | |
1813 | ||
1814 | pfc->tcs_supported = dcbx_info->remote.params.pfc.max_tc; | |
1815 | DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d tcs_supported = %d\n", | |
1816 | pfc->pfc_en, pfc->tcs_supported); | |
1817 | kfree(dcbx_info); | |
1818 | ||
1819 | return 0; | |
1820 | } | |
1821 | ||
1822 | static int qed_dcbnl_cee_peer_getpg(struct qed_dev *cdev, struct cee_pg *pg) | |
1823 | { | |
1824 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1825 | struct qed_dcbx_get *dcbx_info; | |
1826 | int i; | |
1827 | ||
1828 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | |
1829 | if (!dcbx_info) | |
1830 | return -EINVAL; | |
1831 | ||
1832 | pg->willing = dcbx_info->remote.params.ets_willing; | |
1833 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { | |
1834 | pg->pg_bw[i] = dcbx_info->remote.params.ets_tc_bw_tbl[i]; | |
1835 | pg->prio_pg[i] = dcbx_info->remote.params.ets_pri_tc_tbl[i]; | |
1836 | } | |
1837 | ||
1838 | DP_VERBOSE(hwfn, QED_MSG_DCB, "willing = %d", pg->willing); | |
1839 | kfree(dcbx_info); | |
1840 | ||
1841 | return 0; | |
1842 | } | |
1843 | ||
1844 | static int qed_dcbnl_get_ieee_pfc(struct qed_dev *cdev, | |
1845 | struct ieee_pfc *pfc, bool remote) | |
1846 | { | |
1847 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1848 | struct qed_dcbx_params *params; | |
1849 | struct qed_dcbx_get *dcbx_info; | |
1850 | int rc, i; | |
1851 | ||
1852 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1853 | if (!dcbx_info) | |
1854 | return -EINVAL; | |
1855 | ||
1856 | if (!dcbx_info->operational.ieee) { | |
1857 | DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | |
1858 | return -EINVAL; | |
1859 | } | |
1860 | ||
1861 | if (remote) { | |
1862 | memset(dcbx_info, 0, sizeof(*dcbx_info)); | |
1863 | rc = qed_dcbx_query_params(hwfn, dcbx_info, | |
1864 | QED_DCBX_REMOTE_MIB); | |
1865 | if (rc) { | |
1866 | kfree(dcbx_info); | |
1867 | return -EINVAL; | |
1868 | } | |
1869 | ||
1870 | params = &dcbx_info->remote.params; | |
1871 | } else { | |
1872 | params = &dcbx_info->operational.params; | |
1873 | } | |
1874 | ||
1875 | pfc->pfc_cap = params->pfc.max_tc; | |
1876 | pfc->pfc_en = 0; | |
1877 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | |
1878 | if (params->pfc.prio[i]) | |
1879 | pfc->pfc_en |= BIT(i); | |
1880 | ||
1881 | kfree(dcbx_info); | |
1882 | ||
1883 | return 0; | |
1884 | } | |
1885 | ||
1886 | static int qed_dcbnl_ieee_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) | |
1887 | { | |
1888 | return qed_dcbnl_get_ieee_pfc(cdev, pfc, false); | |
1889 | } | |
1890 | ||
1891 | static int qed_dcbnl_ieee_setpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) | |
1892 | { | |
1893 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1894 | struct qed_dcbx_get *dcbx_info; | |
1895 | struct qed_dcbx_set dcbx_set; | |
1896 | struct qed_ptt *ptt; | |
1897 | int rc, i; | |
1898 | ||
1899 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1900 | if (!dcbx_info) | |
1901 | return -EINVAL; | |
1902 | ||
1903 | if (!dcbx_info->operational.ieee) { | |
1904 | DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | |
1905 | kfree(dcbx_info); | |
1906 | return -EINVAL; | |
1907 | } | |
1908 | ||
1909 | kfree(dcbx_info); | |
1910 | ||
1911 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
1912 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
1913 | if (rc) | |
1914 | return -EINVAL; | |
1915 | ||
1916 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | |
1917 | for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | |
1918 | dcbx_set.config.params.pfc.prio[i] = !!(pfc->pfc_en & BIT(i)); | |
1919 | ||
1920 | ptt = qed_ptt_acquire(hwfn); | |
1921 | if (!ptt) | |
1922 | return -EINVAL; | |
1923 | ||
1924 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
1925 | ||
1926 | qed_ptt_release(hwfn, ptt); | |
1927 | ||
1928 | return rc; | |
1929 | } | |
1930 | ||
1931 | static int qed_dcbnl_get_ieee_ets(struct qed_dev *cdev, | |
1932 | struct ieee_ets *ets, bool remote) | |
1933 | { | |
1934 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1935 | struct qed_dcbx_get *dcbx_info; | |
1936 | struct qed_dcbx_params *params; | |
1937 | int rc; | |
1938 | ||
1939 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1940 | if (!dcbx_info) | |
1941 | return -EINVAL; | |
1942 | ||
1943 | if (!dcbx_info->operational.ieee) { | |
1944 | DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | |
1945 | kfree(dcbx_info); | |
1946 | return -EINVAL; | |
1947 | } | |
1948 | ||
1949 | if (remote) { | |
1950 | memset(dcbx_info, 0, sizeof(*dcbx_info)); | |
1951 | rc = qed_dcbx_query_params(hwfn, dcbx_info, | |
1952 | QED_DCBX_REMOTE_MIB); | |
1953 | if (rc) { | |
1954 | kfree(dcbx_info); | |
1955 | return -EINVAL; | |
1956 | } | |
1957 | ||
1958 | params = &dcbx_info->remote.params; | |
1959 | } else { | |
1960 | params = &dcbx_info->operational.params; | |
1961 | } | |
1962 | ||
1963 | ets->ets_cap = params->max_ets_tc; | |
1964 | ets->willing = params->ets_willing; | |
1965 | ets->cbs = params->ets_cbs; | |
1966 | memcpy(ets->tc_tx_bw, params->ets_tc_bw_tbl, sizeof(ets->tc_tx_bw)); | |
1967 | memcpy(ets->tc_tsa, params->ets_tc_tsa_tbl, sizeof(ets->tc_tsa)); | |
1968 | memcpy(ets->prio_tc, params->ets_pri_tc_tbl, sizeof(ets->prio_tc)); | |
1969 | kfree(dcbx_info); | |
1970 | ||
1971 | return 0; | |
1972 | } | |
1973 | ||
1974 | static int qed_dcbnl_ieee_getets(struct qed_dev *cdev, struct ieee_ets *ets) | |
1975 | { | |
1976 | return qed_dcbnl_get_ieee_ets(cdev, ets, false); | |
1977 | } | |
1978 | ||
1979 | static int qed_dcbnl_ieee_setets(struct qed_dev *cdev, struct ieee_ets *ets) | |
1980 | { | |
1981 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
1982 | struct qed_dcbx_get *dcbx_info; | |
1983 | struct qed_dcbx_set dcbx_set; | |
1984 | struct qed_ptt *ptt; | |
1985 | int rc; | |
1986 | ||
1987 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
1988 | if (!dcbx_info) | |
1989 | return -EINVAL; | |
1990 | ||
1991 | if (!dcbx_info->operational.ieee) { | |
1992 | DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | |
1993 | kfree(dcbx_info); | |
1994 | return -EINVAL; | |
1995 | } | |
1996 | ||
1997 | kfree(dcbx_info); | |
1998 | ||
1999 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
2000 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
2001 | if (rc) | |
2002 | return -EINVAL; | |
2003 | ||
2004 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | |
2005 | dcbx_set.config.params.max_ets_tc = ets->ets_cap; | |
2006 | dcbx_set.config.params.ets_willing = ets->willing; | |
2007 | dcbx_set.config.params.ets_cbs = ets->cbs; | |
2008 | memcpy(dcbx_set.config.params.ets_tc_bw_tbl, ets->tc_tx_bw, | |
2009 | sizeof(ets->tc_tx_bw)); | |
2010 | memcpy(dcbx_set.config.params.ets_tc_tsa_tbl, ets->tc_tsa, | |
2011 | sizeof(ets->tc_tsa)); | |
2012 | memcpy(dcbx_set.config.params.ets_pri_tc_tbl, ets->prio_tc, | |
2013 | sizeof(ets->prio_tc)); | |
2014 | ||
2015 | ptt = qed_ptt_acquire(hwfn); | |
2016 | if (!ptt) | |
2017 | return -EINVAL; | |
2018 | ||
2019 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
2020 | ||
2021 | qed_ptt_release(hwfn, ptt); | |
2022 | ||
2023 | return rc; | |
2024 | } | |
2025 | ||
2026 | int qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets) | |
2027 | { | |
2028 | return qed_dcbnl_get_ieee_ets(cdev, ets, true); | |
2029 | } | |
2030 | ||
2031 | int qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) | |
2032 | { | |
2033 | return qed_dcbnl_get_ieee_pfc(cdev, pfc, true); | |
2034 | } | |
2035 | ||
2036 | int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app) | |
2037 | { | |
2038 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
2039 | struct qed_dcbx_get *dcbx_info; | |
2040 | struct qed_app_entry *entry; | |
2041 | bool ethtype; | |
2042 | u8 prio = 0; | |
2043 | int i; | |
2044 | ||
2045 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
2046 | if (!dcbx_info) | |
2047 | return -EINVAL; | |
2048 | ||
2049 | if (!dcbx_info->operational.ieee) { | |
2050 | DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | |
2051 | kfree(dcbx_info); | |
2052 | return -EINVAL; | |
2053 | } | |
2054 | ||
2055 | /* ieee defines the selector field value for ethertype to be 1 */ | |
2056 | ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE); | |
2057 | for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | |
2058 | entry = &dcbx_info->operational.params.app_entry[i]; | |
2059 | if ((entry->ethtype == ethtype) && | |
2060 | (entry->proto_id == app->protocol)) { | |
2061 | prio = entry->prio; | |
2062 | break; | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | if (i == QED_DCBX_MAX_APP_PROTOCOL) { | |
2067 | DP_ERR(cdev, "App entry (%d, %d) not found\n", app->selector, | |
2068 | app->protocol); | |
2069 | kfree(dcbx_info); | |
2070 | return -EINVAL; | |
2071 | } | |
2072 | ||
2073 | app->priority = ffs(prio) - 1; | |
2074 | ||
2075 | kfree(dcbx_info); | |
2076 | ||
2077 | return 0; | |
2078 | } | |
2079 | ||
2080 | int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app) | |
2081 | { | |
2082 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
2083 | struct qed_dcbx_get *dcbx_info; | |
2084 | struct qed_dcbx_set dcbx_set; | |
2085 | struct qed_app_entry *entry; | |
2086 | struct qed_ptt *ptt; | |
2087 | bool ethtype; | |
2088 | int rc, i; | |
2089 | ||
2090 | if (app->priority < 0 || app->priority >= QED_MAX_PFC_PRIORITIES) { | |
2091 | DP_INFO(hwfn, "Invalid priority %d\n", app->priority); | |
2092 | return -EINVAL; | |
2093 | } | |
2094 | ||
2095 | dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | |
2096 | if (!dcbx_info) | |
2097 | return -EINVAL; | |
2098 | ||
2099 | if (!dcbx_info->operational.ieee) { | |
2100 | DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | |
2101 | kfree(dcbx_info); | |
2102 | return -EINVAL; | |
2103 | } | |
2104 | ||
2105 | kfree(dcbx_info); | |
2106 | ||
2107 | memset(&dcbx_set, 0, sizeof(dcbx_set)); | |
2108 | rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | |
2109 | if (rc) | |
2110 | return -EINVAL; | |
2111 | ||
2112 | /* ieee defines the selector field value for ethertype to be 1 */ | |
2113 | ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE); | |
2114 | for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | |
2115 | entry = &dcbx_set.config.params.app_entry[i]; | |
2116 | if ((entry->ethtype == ethtype) && | |
2117 | (entry->proto_id == app->protocol)) | |
2118 | break; | |
2119 | /* First empty slot */ | |
2120 | if (!entry->proto_id) | |
2121 | break; | |
2122 | } | |
2123 | ||
2124 | if (i == QED_DCBX_MAX_APP_PROTOCOL) { | |
2125 | DP_ERR(cdev, "App table is full\n"); | |
2126 | return -EBUSY; | |
2127 | } | |
2128 | ||
2129 | dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; | |
2130 | dcbx_set.config.params.app_entry[i].ethtype = ethtype; | |
2131 | dcbx_set.config.params.app_entry[i].proto_id = app->protocol; | |
2132 | dcbx_set.config.params.app_entry[i].prio = BIT(app->priority); | |
2133 | ||
2134 | ptt = qed_ptt_acquire(hwfn); | |
2135 | if (!ptt) | |
2136 | return -EBUSY; | |
2137 | ||
2138 | rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | |
2139 | ||
2140 | qed_ptt_release(hwfn, ptt); | |
2141 | ||
2142 | return rc; | |
2143 | } | |
2144 | ||
2145 | const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass = { | |
2146 | .getstate = qed_dcbnl_getstate, | |
2147 | .setstate = qed_dcbnl_setstate, | |
2148 | .getpgtccfgtx = qed_dcbnl_getpgtccfgtx, | |
2149 | .getpgbwgcfgtx = qed_dcbnl_getpgbwgcfgtx, | |
2150 | .getpgtccfgrx = qed_dcbnl_getpgtccfgrx, | |
2151 | .getpgbwgcfgrx = qed_dcbnl_getpgbwgcfgrx, | |
2152 | .getpfccfg = qed_dcbnl_getpfccfg, | |
2153 | .setpfccfg = qed_dcbnl_setpfccfg, | |
2154 | .getcap = qed_dcbnl_getcap, | |
2155 | .getnumtcs = qed_dcbnl_getnumtcs, | |
2156 | .getpfcstate = qed_dcbnl_getpfcstate, | |
2157 | .getdcbx = qed_dcbnl_getdcbx, | |
2158 | .setpgtccfgtx = qed_dcbnl_setpgtccfgtx, | |
2159 | .setpgtccfgrx = qed_dcbnl_setpgtccfgrx, | |
2160 | .setpgbwgcfgtx = qed_dcbnl_setpgbwgcfgtx, | |
2161 | .setpgbwgcfgrx = qed_dcbnl_setpgbwgcfgrx, | |
2162 | .setall = qed_dcbnl_setall, | |
2163 | .setnumtcs = qed_dcbnl_setnumtcs, | |
2164 | .setpfcstate = qed_dcbnl_setpfcstate, | |
2165 | .setapp = qed_dcbnl_setapp, | |
2166 | .setdcbx = qed_dcbnl_setdcbx, | |
2167 | .setfeatcfg = qed_dcbnl_setfeatcfg, | |
2168 | .getfeatcfg = qed_dcbnl_getfeatcfg, | |
2169 | .getapp = qed_dcbnl_getapp, | |
2170 | .peer_getappinfo = qed_dcbnl_peer_getappinfo, | |
2171 | .peer_getapptable = qed_dcbnl_peer_getapptable, | |
2172 | .cee_peer_getpfc = qed_dcbnl_cee_peer_getpfc, | |
2173 | .cee_peer_getpg = qed_dcbnl_cee_peer_getpg, | |
2174 | .ieee_getpfc = qed_dcbnl_ieee_getpfc, | |
2175 | .ieee_setpfc = qed_dcbnl_ieee_setpfc, | |
2176 | .ieee_getets = qed_dcbnl_ieee_getets, | |
2177 | .ieee_setets = qed_dcbnl_ieee_setets, | |
2178 | .ieee_peer_getpfc = qed_dcbnl_ieee_peer_getpfc, | |
2179 | .ieee_peer_getets = qed_dcbnl_ieee_peer_getets, | |
2180 | .ieee_getapp = qed_dcbnl_ieee_getapp, | |
2181 | .ieee_setapp = qed_dcbnl_ieee_setapp, | |
2182 | }; | |
2183 | ||
6ad8c632 | 2184 | #endif |