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afb3ff0d NP |
1 | /******************************************************************************* |
2 | * | |
3 | * Intel Ethernet Controller XL710 Family Linux Driver | |
4 | * Copyright(c) 2013 - 2014 Intel Corporation. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms and conditions of the GNU General Public License, | |
8 | * version 2, as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in | |
19 | * the file called "COPYING". | |
20 | * | |
21 | * Contact Information: | |
22 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
24 | * | |
25 | ******************************************************************************/ | |
26 | ||
27 | #include "i40e_adminq.h" | |
28 | #include "i40e_prototype.h" | |
29 | #include "i40e_dcb.h" | |
30 | ||
31 | /** | |
32 | * i40e_get_dcbx_status | |
33 | * @hw: pointer to the hw struct | |
34 | * @status: Embedded DCBX Engine Status | |
35 | * | |
36 | * Get the DCBX status from the Firmware | |
37 | **/ | |
38 | i40e_status i40e_get_dcbx_status(struct i40e_hw *hw, u16 *status) | |
39 | { | |
40 | u32 reg; | |
41 | ||
42 | if (!status) | |
43 | return I40E_ERR_PARAM; | |
44 | ||
45 | reg = rd32(hw, I40E_PRTDCB_GENS); | |
46 | *status = (u16)((reg & I40E_PRTDCB_GENS_DCBX_STATUS_MASK) >> | |
47 | I40E_PRTDCB_GENS_DCBX_STATUS_SHIFT); | |
48 | ||
49 | return 0; | |
50 | } | |
51 | ||
52 | /** | |
53 | * i40e_parse_ieee_etscfg_tlv | |
54 | * @tlv: IEEE 802.1Qaz ETS CFG TLV | |
55 | * @dcbcfg: Local store to update ETS CFG data | |
56 | * | |
57 | * Parses IEEE 802.1Qaz ETS CFG TLV | |
58 | **/ | |
59 | static void i40e_parse_ieee_etscfg_tlv(struct i40e_lldp_org_tlv *tlv, | |
60 | struct i40e_dcbx_config *dcbcfg) | |
61 | { | |
9fa61dd2 | 62 | struct i40e_dcb_ets_config *etscfg; |
afb3ff0d NP |
63 | u8 *buf = tlv->tlvinfo; |
64 | u16 offset = 0; | |
65 | u8 priority; | |
66 | int i; | |
67 | ||
68 | /* First Octet post subtype | |
69 | * -------------------------- | |
70 | * |will-|CBS | Re- | Max | | |
71 | * |ing | |served| TCs | | |
72 | * -------------------------- | |
73 | * |1bit | 1bit|3 bits|3bits| | |
74 | */ | |
75 | etscfg = &dcbcfg->etscfg; | |
76 | etscfg->willing = (u8)((buf[offset] & I40E_IEEE_ETS_WILLING_MASK) >> | |
77 | I40E_IEEE_ETS_WILLING_SHIFT); | |
78 | etscfg->cbs = (u8)((buf[offset] & I40E_IEEE_ETS_CBS_MASK) >> | |
79 | I40E_IEEE_ETS_CBS_SHIFT); | |
80 | etscfg->maxtcs = (u8)((buf[offset] & I40E_IEEE_ETS_MAXTC_MASK) >> | |
81 | I40E_IEEE_ETS_MAXTC_SHIFT); | |
82 | ||
83 | /* Move offset to Priority Assignment Table */ | |
84 | offset++; | |
85 | ||
86 | /* Priority Assignment Table (4 octets) | |
87 | * Octets:| 1 | 2 | 3 | 4 | | |
88 | * ----------------------------------------- | |
89 | * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| | |
90 | * ----------------------------------------- | |
91 | * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| | |
92 | * ----------------------------------------- | |
93 | */ | |
94 | for (i = 0; i < 4; i++) { | |
95 | priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_1_MASK) >> | |
96 | I40E_IEEE_ETS_PRIO_1_SHIFT); | |
97 | etscfg->prioritytable[i * 2] = priority; | |
98 | priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_0_MASK) >> | |
99 | I40E_IEEE_ETS_PRIO_0_SHIFT); | |
100 | etscfg->prioritytable[i * 2 + 1] = priority; | |
101 | offset++; | |
102 | } | |
103 | ||
104 | /* TC Bandwidth Table (8 octets) | |
105 | * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | |
106 | * --------------------------------- | |
107 | * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| | |
108 | * --------------------------------- | |
109 | */ | |
110 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
111 | etscfg->tcbwtable[i] = buf[offset++]; | |
112 | ||
113 | /* TSA Assignment Table (8 octets) | |
114 | * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | |
115 | * --------------------------------- | |
116 | * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| | |
117 | * --------------------------------- | |
118 | */ | |
119 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
120 | etscfg->tsatable[i] = buf[offset++]; | |
121 | } | |
122 | ||
123 | /** | |
124 | * i40e_parse_ieee_etsrec_tlv | |
125 | * @tlv: IEEE 802.1Qaz ETS REC TLV | |
126 | * @dcbcfg: Local store to update ETS REC data | |
127 | * | |
128 | * Parses IEEE 802.1Qaz ETS REC TLV | |
129 | **/ | |
130 | static void i40e_parse_ieee_etsrec_tlv(struct i40e_lldp_org_tlv *tlv, | |
131 | struct i40e_dcbx_config *dcbcfg) | |
132 | { | |
133 | u8 *buf = tlv->tlvinfo; | |
134 | u16 offset = 0; | |
135 | u8 priority; | |
136 | int i; | |
137 | ||
138 | /* Move offset to priority table */ | |
139 | offset++; | |
140 | ||
141 | /* Priority Assignment Table (4 octets) | |
142 | * Octets:| 1 | 2 | 3 | 4 | | |
143 | * ----------------------------------------- | |
144 | * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| | |
145 | * ----------------------------------------- | |
146 | * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| | |
147 | * ----------------------------------------- | |
148 | */ | |
149 | for (i = 0; i < 4; i++) { | |
150 | priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_1_MASK) >> | |
151 | I40E_IEEE_ETS_PRIO_1_SHIFT); | |
152 | dcbcfg->etsrec.prioritytable[i*2] = priority; | |
153 | priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_0_MASK) >> | |
154 | I40E_IEEE_ETS_PRIO_0_SHIFT); | |
155 | dcbcfg->etsrec.prioritytable[i*2 + 1] = priority; | |
156 | offset++; | |
157 | } | |
158 | ||
159 | /* TC Bandwidth Table (8 octets) | |
160 | * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | |
161 | * --------------------------------- | |
162 | * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| | |
163 | * --------------------------------- | |
164 | */ | |
165 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
166 | dcbcfg->etsrec.tcbwtable[i] = buf[offset++]; | |
167 | ||
168 | /* TSA Assignment Table (8 octets) | |
169 | * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | |
170 | * --------------------------------- | |
171 | * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| | |
172 | * --------------------------------- | |
173 | */ | |
174 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
175 | dcbcfg->etsrec.tsatable[i] = buf[offset++]; | |
176 | } | |
177 | ||
178 | /** | |
179 | * i40e_parse_ieee_pfccfg_tlv | |
180 | * @tlv: IEEE 802.1Qaz PFC CFG TLV | |
181 | * @dcbcfg: Local store to update PFC CFG data | |
182 | * | |
183 | * Parses IEEE 802.1Qaz PFC CFG TLV | |
184 | **/ | |
185 | static void i40e_parse_ieee_pfccfg_tlv(struct i40e_lldp_org_tlv *tlv, | |
186 | struct i40e_dcbx_config *dcbcfg) | |
187 | { | |
188 | u8 *buf = tlv->tlvinfo; | |
189 | ||
190 | /* ---------------------------------------- | |
191 | * |will-|MBC | Re- | PFC | PFC Enable | | |
192 | * |ing | |served| cap | | | |
193 | * ----------------------------------------- | |
194 | * |1bit | 1bit|2 bits|4bits| 1 octet | | |
195 | */ | |
196 | dcbcfg->pfc.willing = (u8)((buf[0] & I40E_IEEE_PFC_WILLING_MASK) >> | |
197 | I40E_IEEE_PFC_WILLING_SHIFT); | |
198 | dcbcfg->pfc.mbc = (u8)((buf[0] & I40E_IEEE_PFC_MBC_MASK) >> | |
199 | I40E_IEEE_PFC_MBC_SHIFT); | |
200 | dcbcfg->pfc.pfccap = (u8)((buf[0] & I40E_IEEE_PFC_CAP_MASK) >> | |
201 | I40E_IEEE_PFC_CAP_SHIFT); | |
202 | dcbcfg->pfc.pfcenable = buf[1]; | |
203 | } | |
204 | ||
205 | /** | |
206 | * i40e_parse_ieee_app_tlv | |
207 | * @tlv: IEEE 802.1Qaz APP TLV | |
208 | * @dcbcfg: Local store to update APP PRIO data | |
209 | * | |
210 | * Parses IEEE 802.1Qaz APP PRIO TLV | |
211 | **/ | |
212 | static void i40e_parse_ieee_app_tlv(struct i40e_lldp_org_tlv *tlv, | |
213 | struct i40e_dcbx_config *dcbcfg) | |
214 | { | |
215 | u16 typelength; | |
216 | u16 offset = 0; | |
217 | u16 length; | |
218 | int i = 0; | |
219 | u8 *buf; | |
220 | ||
221 | typelength = ntohs(tlv->typelength); | |
222 | length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >> | |
223 | I40E_LLDP_TLV_LEN_SHIFT); | |
224 | buf = tlv->tlvinfo; | |
225 | ||
226 | /* The App priority table starts 5 octets after TLV header */ | |
227 | length -= (sizeof(tlv->ouisubtype) + 1); | |
228 | ||
229 | /* Move offset to App Priority Table */ | |
230 | offset++; | |
231 | ||
232 | /* Application Priority Table (3 octets) | |
233 | * Octets:| 1 | 2 | 3 | | |
234 | * ----------------------------------------- | |
235 | * |Priority|Rsrvd| Sel | Protocol ID | | |
236 | * ----------------------------------------- | |
237 | * Bits:|23 21|20 19|18 16|15 0| | |
238 | * ----------------------------------------- | |
239 | */ | |
240 | while (offset < length) { | |
241 | dcbcfg->app[i].priority = (u8)((buf[offset] & | |
242 | I40E_IEEE_APP_PRIO_MASK) >> | |
243 | I40E_IEEE_APP_PRIO_SHIFT); | |
244 | dcbcfg->app[i].selector = (u8)((buf[offset] & | |
245 | I40E_IEEE_APP_SEL_MASK) >> | |
246 | I40E_IEEE_APP_SEL_SHIFT); | |
247 | dcbcfg->app[i].protocolid = (buf[offset + 1] << 0x8) | | |
248 | buf[offset + 2]; | |
249 | /* Move to next app */ | |
250 | offset += 3; | |
251 | i++; | |
252 | if (i >= I40E_DCBX_MAX_APPS) | |
253 | break; | |
254 | } | |
255 | ||
256 | dcbcfg->numapps = i; | |
257 | } | |
258 | ||
259 | /** | |
260 | * i40e_parse_ieee_etsrec_tlv | |
261 | * @tlv: IEEE 802.1Qaz TLV | |
262 | * @dcbcfg: Local store to update ETS REC data | |
263 | * | |
264 | * Get the TLV subtype and send it to parsing function | |
265 | * based on the subtype value | |
266 | **/ | |
267 | static void i40e_parse_ieee_tlv(struct i40e_lldp_org_tlv *tlv, | |
268 | struct i40e_dcbx_config *dcbcfg) | |
269 | { | |
270 | u32 ouisubtype; | |
271 | u8 subtype; | |
272 | ||
273 | ouisubtype = ntohl(tlv->ouisubtype); | |
274 | subtype = (u8)((ouisubtype & I40E_LLDP_TLV_SUBTYPE_MASK) >> | |
275 | I40E_LLDP_TLV_SUBTYPE_SHIFT); | |
276 | switch (subtype) { | |
277 | case I40E_IEEE_SUBTYPE_ETS_CFG: | |
278 | i40e_parse_ieee_etscfg_tlv(tlv, dcbcfg); | |
279 | break; | |
280 | case I40E_IEEE_SUBTYPE_ETS_REC: | |
281 | i40e_parse_ieee_etsrec_tlv(tlv, dcbcfg); | |
282 | break; | |
283 | case I40E_IEEE_SUBTYPE_PFC_CFG: | |
284 | i40e_parse_ieee_pfccfg_tlv(tlv, dcbcfg); | |
285 | break; | |
286 | case I40E_IEEE_SUBTYPE_APP_PRI: | |
287 | i40e_parse_ieee_app_tlv(tlv, dcbcfg); | |
288 | break; | |
289 | default: | |
290 | break; | |
291 | } | |
292 | } | |
293 | ||
909b2d16 NP |
294 | /** |
295 | * i40e_parse_cee_pgcfg_tlv | |
296 | * @tlv: CEE DCBX PG CFG TLV | |
297 | * @dcbcfg: Local store to update ETS CFG data | |
298 | * | |
299 | * Parses CEE DCBX PG CFG TLV | |
300 | **/ | |
301 | static void i40e_parse_cee_pgcfg_tlv(struct i40e_cee_feat_tlv *tlv, | |
302 | struct i40e_dcbx_config *dcbcfg) | |
303 | { | |
304 | struct i40e_dcb_ets_config *etscfg; | |
305 | u8 *buf = tlv->tlvinfo; | |
306 | u16 offset = 0; | |
307 | u8 priority; | |
308 | int i; | |
309 | ||
310 | etscfg = &dcbcfg->etscfg; | |
311 | ||
312 | if (tlv->en_will_err & I40E_CEE_FEAT_TLV_WILLING_MASK) | |
313 | etscfg->willing = 1; | |
314 | ||
315 | etscfg->cbs = 0; | |
316 | /* Priority Group Table (4 octets) | |
317 | * Octets:| 1 | 2 | 3 | 4 | | |
318 | * ----------------------------------------- | |
319 | * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| | |
320 | * ----------------------------------------- | |
321 | * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| | |
322 | * ----------------------------------------- | |
323 | */ | |
324 | for (i = 0; i < 4; i++) { | |
325 | priority = (u8)((buf[offset] & I40E_CEE_PGID_PRIO_1_MASK) >> | |
326 | I40E_CEE_PGID_PRIO_1_SHIFT); | |
327 | etscfg->prioritytable[i * 2] = priority; | |
328 | priority = (u8)((buf[offset] & I40E_CEE_PGID_PRIO_0_MASK) >> | |
329 | I40E_CEE_PGID_PRIO_0_SHIFT); | |
330 | etscfg->prioritytable[i * 2 + 1] = priority; | |
331 | offset++; | |
332 | } | |
333 | ||
334 | /* PG Percentage Table (8 octets) | |
335 | * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | |
336 | * --------------------------------- | |
337 | * |pg0|pg1|pg2|pg3|pg4|pg5|pg6|pg7| | |
338 | * --------------------------------- | |
339 | */ | |
340 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
341 | etscfg->tcbwtable[i] = buf[offset++]; | |
342 | ||
343 | /* Number of TCs supported (1 octet) */ | |
344 | etscfg->maxtcs = buf[offset]; | |
345 | } | |
346 | ||
347 | /** | |
348 | * i40e_parse_cee_pfccfg_tlv | |
349 | * @tlv: CEE DCBX PFC CFG TLV | |
350 | * @dcbcfg: Local store to update PFC CFG data | |
351 | * | |
352 | * Parses CEE DCBX PFC CFG TLV | |
353 | **/ | |
354 | static void i40e_parse_cee_pfccfg_tlv(struct i40e_cee_feat_tlv *tlv, | |
355 | struct i40e_dcbx_config *dcbcfg) | |
356 | { | |
357 | u8 *buf = tlv->tlvinfo; | |
358 | ||
359 | if (tlv->en_will_err & I40E_CEE_FEAT_TLV_WILLING_MASK) | |
360 | dcbcfg->pfc.willing = 1; | |
361 | ||
362 | /* ------------------------ | |
363 | * | PFC Enable | PFC TCs | | |
364 | * ------------------------ | |
365 | * | 1 octet | 1 octet | | |
366 | */ | |
367 | dcbcfg->pfc.pfcenable = buf[0]; | |
368 | dcbcfg->pfc.pfccap = buf[1]; | |
369 | } | |
370 | ||
371 | /** | |
372 | * i40e_parse_cee_app_tlv | |
373 | * @tlv: CEE DCBX APP TLV | |
374 | * @dcbcfg: Local store to update APP PRIO data | |
375 | * | |
376 | * Parses CEE DCBX APP PRIO TLV | |
377 | **/ | |
378 | static void i40e_parse_cee_app_tlv(struct i40e_cee_feat_tlv *tlv, | |
379 | struct i40e_dcbx_config *dcbcfg) | |
380 | { | |
381 | u16 length, typelength, offset = 0; | |
382 | struct i40e_cee_app_prio *app; | |
dd54a1ad | 383 | u8 i; |
909b2d16 NP |
384 | |
385 | typelength = ntohs(tlv->hdr.typelen); | |
386 | length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >> | |
387 | I40E_LLDP_TLV_LEN_SHIFT); | |
388 | ||
389 | dcbcfg->numapps = length / sizeof(*app); | |
dd54a1ad | 390 | |
909b2d16 NP |
391 | if (!dcbcfg->numapps) |
392 | return; | |
393 | ||
394 | for (i = 0; i < dcbcfg->numapps; i++) { | |
dd54a1ad JB |
395 | u8 up, selector; |
396 | ||
909b2d16 NP |
397 | app = (struct i40e_cee_app_prio *)(tlv->tlvinfo + offset); |
398 | for (up = 0; up < I40E_MAX_USER_PRIORITY; up++) { | |
ab252253 | 399 | if (app->prio_map & BIT(up)) |
909b2d16 NP |
400 | break; |
401 | } | |
402 | dcbcfg->app[i].priority = up; | |
41c3ae8b GB |
403 | |
404 | /* Get Selector from lower 2 bits, and convert to IEEE */ | |
405 | selector = (app->upper_oui_sel & I40E_CEE_APP_SELECTOR_MASK); | |
dd54a1ad JB |
406 | switch (selector) { |
407 | case I40E_CEE_APP_SEL_ETHTYPE: | |
41c3ae8b | 408 | dcbcfg->app[i].selector = I40E_APP_SEL_ETHTYPE; |
dd54a1ad JB |
409 | break; |
410 | case I40E_CEE_APP_SEL_TCPIP: | |
41c3ae8b | 411 | dcbcfg->app[i].selector = I40E_APP_SEL_TCPIP; |
dd54a1ad JB |
412 | break; |
413 | default: | |
41c3ae8b GB |
414 | /* Keep selector as it is for unknown types */ |
415 | dcbcfg->app[i].selector = selector; | |
dd54a1ad | 416 | } |
41c3ae8b | 417 | |
909b2d16 NP |
418 | dcbcfg->app[i].protocolid = ntohs(app->protocol); |
419 | /* Move to next app */ | |
420 | offset += sizeof(*app); | |
421 | } | |
422 | } | |
423 | ||
424 | /** | |
425 | * i40e_parse_cee_tlv | |
426 | * @tlv: CEE DCBX TLV | |
427 | * @dcbcfg: Local store to update DCBX config data | |
428 | * | |
429 | * Get the TLV subtype and send it to parsing function | |
430 | * based on the subtype value | |
431 | **/ | |
432 | static void i40e_parse_cee_tlv(struct i40e_lldp_org_tlv *tlv, | |
433 | struct i40e_dcbx_config *dcbcfg) | |
434 | { | |
435 | u16 len, tlvlen, sublen, typelength; | |
436 | struct i40e_cee_feat_tlv *sub_tlv; | |
437 | u8 subtype, feat_tlv_count = 0; | |
438 | u32 ouisubtype; | |
439 | ||
440 | ouisubtype = ntohl(tlv->ouisubtype); | |
441 | subtype = (u8)((ouisubtype & I40E_LLDP_TLV_SUBTYPE_MASK) >> | |
442 | I40E_LLDP_TLV_SUBTYPE_SHIFT); | |
443 | /* Return if not CEE DCBX */ | |
444 | if (subtype != I40E_CEE_DCBX_TYPE) | |
445 | return; | |
446 | ||
447 | typelength = ntohs(tlv->typelength); | |
448 | tlvlen = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >> | |
449 | I40E_LLDP_TLV_LEN_SHIFT); | |
450 | len = sizeof(tlv->typelength) + sizeof(ouisubtype) + | |
451 | sizeof(struct i40e_cee_ctrl_tlv); | |
452 | /* Return if no CEE DCBX Feature TLVs */ | |
453 | if (tlvlen <= len) | |
454 | return; | |
455 | ||
456 | sub_tlv = (struct i40e_cee_feat_tlv *)((char *)tlv + len); | |
457 | while (feat_tlv_count < I40E_CEE_MAX_FEAT_TYPE) { | |
458 | typelength = ntohs(sub_tlv->hdr.typelen); | |
459 | sublen = (u16)((typelength & | |
460 | I40E_LLDP_TLV_LEN_MASK) >> | |
461 | I40E_LLDP_TLV_LEN_SHIFT); | |
462 | subtype = (u8)((typelength & I40E_LLDP_TLV_TYPE_MASK) >> | |
463 | I40E_LLDP_TLV_TYPE_SHIFT); | |
464 | switch (subtype) { | |
465 | case I40E_CEE_SUBTYPE_PG_CFG: | |
466 | i40e_parse_cee_pgcfg_tlv(sub_tlv, dcbcfg); | |
467 | break; | |
468 | case I40E_CEE_SUBTYPE_PFC_CFG: | |
469 | i40e_parse_cee_pfccfg_tlv(sub_tlv, dcbcfg); | |
470 | break; | |
471 | case I40E_CEE_SUBTYPE_APP_PRI: | |
472 | i40e_parse_cee_app_tlv(sub_tlv, dcbcfg); | |
473 | break; | |
474 | default: | |
475 | return; /* Invalid Sub-type return */ | |
476 | } | |
477 | feat_tlv_count++; | |
478 | /* Move to next sub TLV */ | |
479 | sub_tlv = (struct i40e_cee_feat_tlv *)((char *)sub_tlv + | |
480 | sizeof(sub_tlv->hdr.typelen) + | |
481 | sublen); | |
482 | } | |
483 | } | |
484 | ||
afb3ff0d NP |
485 | /** |
486 | * i40e_parse_org_tlv | |
487 | * @tlv: Organization specific TLV | |
488 | * @dcbcfg: Local store to update ETS REC data | |
489 | * | |
490 | * Currently only IEEE 802.1Qaz TLV is supported, all others | |
491 | * will be returned | |
492 | **/ | |
493 | static void i40e_parse_org_tlv(struct i40e_lldp_org_tlv *tlv, | |
494 | struct i40e_dcbx_config *dcbcfg) | |
495 | { | |
496 | u32 ouisubtype; | |
497 | u32 oui; | |
498 | ||
499 | ouisubtype = ntohl(tlv->ouisubtype); | |
500 | oui = (u32)((ouisubtype & I40E_LLDP_TLV_OUI_MASK) >> | |
501 | I40E_LLDP_TLV_OUI_SHIFT); | |
502 | switch (oui) { | |
503 | case I40E_IEEE_8021QAZ_OUI: | |
504 | i40e_parse_ieee_tlv(tlv, dcbcfg); | |
505 | break; | |
909b2d16 NP |
506 | case I40E_CEE_DCBX_OUI: |
507 | i40e_parse_cee_tlv(tlv, dcbcfg); | |
508 | break; | |
afb3ff0d NP |
509 | default: |
510 | break; | |
511 | } | |
512 | } | |
513 | ||
514 | /** | |
515 | * i40e_lldp_to_dcb_config | |
516 | * @lldpmib: LLDPDU to be parsed | |
517 | * @dcbcfg: store for LLDPDU data | |
518 | * | |
519 | * Parse DCB configuration from the LLDPDU | |
520 | **/ | |
521 | i40e_status i40e_lldp_to_dcb_config(u8 *lldpmib, | |
522 | struct i40e_dcbx_config *dcbcfg) | |
523 | { | |
524 | i40e_status ret = 0; | |
525 | struct i40e_lldp_org_tlv *tlv; | |
526 | u16 type; | |
527 | u16 length; | |
528 | u16 typelength; | |
71f6a85a | 529 | u16 offset = 0; |
afb3ff0d NP |
530 | |
531 | if (!lldpmib || !dcbcfg) | |
532 | return I40E_ERR_PARAM; | |
533 | ||
534 | /* set to the start of LLDPDU */ | |
535 | lldpmib += ETH_HLEN; | |
536 | tlv = (struct i40e_lldp_org_tlv *)lldpmib; | |
71f6a85a | 537 | while (1) { |
afb3ff0d NP |
538 | typelength = ntohs(tlv->typelength); |
539 | type = (u16)((typelength & I40E_LLDP_TLV_TYPE_MASK) >> | |
540 | I40E_LLDP_TLV_TYPE_SHIFT); | |
541 | length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >> | |
542 | I40E_LLDP_TLV_LEN_SHIFT); | |
71f6a85a | 543 | offset += sizeof(typelength) + length; |
afb3ff0d | 544 | |
71f6a85a NP |
545 | /* END TLV or beyond LLDPDU size */ |
546 | if ((type == I40E_TLV_TYPE_END) || (offset > I40E_LLDPDU_SIZE)) | |
547 | break; | |
afb3ff0d NP |
548 | |
549 | switch (type) { | |
550 | case I40E_TLV_TYPE_ORG: | |
551 | i40e_parse_org_tlv(tlv, dcbcfg); | |
552 | break; | |
553 | default: | |
554 | break; | |
555 | } | |
556 | ||
557 | /* Move to next TLV */ | |
558 | tlv = (struct i40e_lldp_org_tlv *)((char *)tlv + | |
559 | sizeof(tlv->typelength) + | |
560 | length); | |
561 | } | |
562 | ||
563 | return ret; | |
564 | } | |
565 | ||
566 | /** | |
567 | * i40e_aq_get_dcb_config | |
568 | * @hw: pointer to the hw struct | |
569 | * @mib_type: mib type for the query | |
570 | * @bridgetype: bridge type for the query (remote) | |
571 | * @dcbcfg: store for LLDPDU data | |
572 | * | |
573 | * Query DCB configuration from the Firmware | |
574 | **/ | |
575 | i40e_status i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type, | |
576 | u8 bridgetype, | |
577 | struct i40e_dcbx_config *dcbcfg) | |
578 | { | |
579 | i40e_status ret = 0; | |
580 | struct i40e_virt_mem mem; | |
581 | u8 *lldpmib; | |
582 | ||
583 | /* Allocate the LLDPDU */ | |
584 | ret = i40e_allocate_virt_mem(hw, &mem, I40E_LLDPDU_SIZE); | |
585 | if (ret) | |
586 | return ret; | |
587 | ||
588 | lldpmib = (u8 *)mem.va; | |
589 | ret = i40e_aq_get_lldp_mib(hw, bridgetype, mib_type, | |
590 | (void *)lldpmib, I40E_LLDPDU_SIZE, | |
591 | NULL, NULL, NULL); | |
592 | if (ret) | |
593 | goto free_mem; | |
594 | ||
595 | /* Parse LLDP MIB to get dcb configuration */ | |
596 | ret = i40e_lldp_to_dcb_config(lldpmib, dcbcfg); | |
597 | ||
598 | free_mem: | |
599 | i40e_free_virt_mem(hw, &mem); | |
600 | return ret; | |
601 | } | |
602 | ||
9fa61dd2 NP |
603 | /** |
604 | * i40e_cee_to_dcb_v1_config | |
605 | * @cee_cfg: pointer to CEE v1 response configuration struct | |
606 | * @dcbcfg: DCB configuration struct | |
607 | * | |
608 | * Convert CEE v1 configuration from firmware to DCB configuration | |
609 | **/ | |
610 | static void i40e_cee_to_dcb_v1_config( | |
611 | struct i40e_aqc_get_cee_dcb_cfg_v1_resp *cee_cfg, | |
612 | struct i40e_dcbx_config *dcbcfg) | |
613 | { | |
614 | u16 status, tlv_status = le16_to_cpu(cee_cfg->tlv_status); | |
615 | u16 app_prio = le16_to_cpu(cee_cfg->oper_app_prio); | |
0f575bf3 | 616 | u8 i, tc, err; |
9fa61dd2 NP |
617 | |
618 | /* CEE PG data to ETS config */ | |
619 | dcbcfg->etscfg.maxtcs = cee_cfg->oper_num_tc; | |
620 | ||
621 | for (i = 0; i < 4; i++) { | |
622 | tc = (u8)((cee_cfg->oper_prio_tc[i] & | |
623 | I40E_CEE_PGID_PRIO_1_MASK) >> | |
624 | I40E_CEE_PGID_PRIO_1_SHIFT); | |
625 | dcbcfg->etscfg.prioritytable[i*2] = tc; | |
626 | tc = (u8)((cee_cfg->oper_prio_tc[i] & | |
627 | I40E_CEE_PGID_PRIO_0_MASK) >> | |
628 | I40E_CEE_PGID_PRIO_0_SHIFT); | |
629 | dcbcfg->etscfg.prioritytable[i*2 + 1] = tc; | |
630 | } | |
631 | ||
632 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
633 | dcbcfg->etscfg.tcbwtable[i] = cee_cfg->oper_tc_bw[i]; | |
634 | ||
635 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { | |
636 | if (dcbcfg->etscfg.prioritytable[i] == I40E_CEE_PGID_STRICT) { | |
637 | /* Map it to next empty TC */ | |
638 | dcbcfg->etscfg.prioritytable[i] = | |
639 | cee_cfg->oper_num_tc - 1; | |
640 | dcbcfg->etscfg.tsatable[i] = I40E_IEEE_TSA_STRICT; | |
641 | } else { | |
642 | dcbcfg->etscfg.tsatable[i] = I40E_IEEE_TSA_ETS; | |
643 | } | |
644 | } | |
645 | ||
646 | /* CEE PFC data to ETS config */ | |
647 | dcbcfg->pfc.pfcenable = cee_cfg->oper_pfc_en; | |
648 | dcbcfg->pfc.pfccap = I40E_MAX_TRAFFIC_CLASS; | |
649 | ||
650 | status = (tlv_status & I40E_AQC_CEE_APP_STATUS_MASK) >> | |
651 | I40E_AQC_CEE_APP_STATUS_SHIFT; | |
652 | err = (status & I40E_TLV_STATUS_ERR) ? 1 : 0; | |
0f575bf3 | 653 | /* Add APPs if Error is False */ |
7589f65b | 654 | if (!err) { |
9fa61dd2 NP |
655 | /* CEE operating configuration supports FCoE/iSCSI/FIP only */ |
656 | dcbcfg->numapps = I40E_CEE_OPER_MAX_APPS; | |
657 | ||
658 | /* FCoE APP */ | |
659 | dcbcfg->app[0].priority = | |
660 | (app_prio & I40E_AQC_CEE_APP_FCOE_MASK) >> | |
661 | I40E_AQC_CEE_APP_FCOE_SHIFT; | |
662 | dcbcfg->app[0].selector = I40E_APP_SEL_ETHTYPE; | |
663 | dcbcfg->app[0].protocolid = I40E_APP_PROTOID_FCOE; | |
664 | ||
665 | /* iSCSI APP */ | |
666 | dcbcfg->app[1].priority = | |
667 | (app_prio & I40E_AQC_CEE_APP_ISCSI_MASK) >> | |
668 | I40E_AQC_CEE_APP_ISCSI_SHIFT; | |
669 | dcbcfg->app[1].selector = I40E_APP_SEL_TCPIP; | |
670 | dcbcfg->app[1].protocolid = I40E_APP_PROTOID_ISCSI; | |
671 | ||
672 | /* FIP APP */ | |
673 | dcbcfg->app[2].priority = | |
674 | (app_prio & I40E_AQC_CEE_APP_FIP_MASK) >> | |
675 | I40E_AQC_CEE_APP_FIP_SHIFT; | |
676 | dcbcfg->app[2].selector = I40E_APP_SEL_ETHTYPE; | |
677 | dcbcfg->app[2].protocolid = I40E_APP_PROTOID_FIP; | |
678 | } | |
679 | } | |
680 | ||
681 | /** | |
682 | * i40e_cee_to_dcb_config | |
683 | * @cee_cfg: pointer to CEE configuration struct | |
684 | * @dcbcfg: DCB configuration struct | |
685 | * | |
686 | * Convert CEE configuration from firmware to DCB configuration | |
687 | **/ | |
688 | static void i40e_cee_to_dcb_config( | |
689 | struct i40e_aqc_get_cee_dcb_cfg_resp *cee_cfg, | |
690 | struct i40e_dcbx_config *dcbcfg) | |
691 | { | |
692 | u32 status, tlv_status = le32_to_cpu(cee_cfg->tlv_status); | |
693 | u16 app_prio = le16_to_cpu(cee_cfg->oper_app_prio); | |
694 | u8 i, tc, err, sync, oper; | |
695 | ||
696 | /* CEE PG data to ETS config */ | |
697 | dcbcfg->etscfg.maxtcs = cee_cfg->oper_num_tc; | |
698 | ||
95e5613f GB |
699 | /* Note that the FW creates the oper_prio_tc nibbles reversed |
700 | * from those in the CEE Priority Group sub-TLV. | |
701 | */ | |
9fa61dd2 | 702 | for (i = 0; i < 4; i++) { |
9fa61dd2 NP |
703 | tc = (u8)((cee_cfg->oper_prio_tc[i] & |
704 | I40E_CEE_PGID_PRIO_0_MASK) >> | |
705 | I40E_CEE_PGID_PRIO_0_SHIFT); | |
95e5613f GB |
706 | dcbcfg->etscfg.prioritytable[i * 2] = tc; |
707 | tc = (u8)((cee_cfg->oper_prio_tc[i] & | |
708 | I40E_CEE_PGID_PRIO_1_MASK) >> | |
709 | I40E_CEE_PGID_PRIO_1_SHIFT); | |
710 | dcbcfg->etscfg.prioritytable[i * 2 + 1] = tc; | |
9fa61dd2 NP |
711 | } |
712 | ||
713 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) | |
714 | dcbcfg->etscfg.tcbwtable[i] = cee_cfg->oper_tc_bw[i]; | |
715 | ||
716 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { | |
717 | if (dcbcfg->etscfg.prioritytable[i] == I40E_CEE_PGID_STRICT) { | |
718 | /* Map it to next empty TC */ | |
719 | dcbcfg->etscfg.prioritytable[i] = | |
720 | cee_cfg->oper_num_tc - 1; | |
721 | dcbcfg->etscfg.tsatable[i] = I40E_IEEE_TSA_STRICT; | |
722 | } else { | |
723 | dcbcfg->etscfg.tsatable[i] = I40E_IEEE_TSA_ETS; | |
724 | } | |
725 | } | |
726 | ||
727 | /* CEE PFC data to ETS config */ | |
728 | dcbcfg->pfc.pfcenable = cee_cfg->oper_pfc_en; | |
729 | dcbcfg->pfc.pfccap = I40E_MAX_TRAFFIC_CLASS; | |
730 | ||
2642f025 NP |
731 | i = 0; |
732 | status = (tlv_status & I40E_AQC_CEE_FCOE_STATUS_MASK) >> | |
733 | I40E_AQC_CEE_FCOE_STATUS_SHIFT; | |
9fa61dd2 NP |
734 | err = (status & I40E_TLV_STATUS_ERR) ? 1 : 0; |
735 | sync = (status & I40E_TLV_STATUS_SYNC) ? 1 : 0; | |
736 | oper = (status & I40E_TLV_STATUS_OPER) ? 1 : 0; | |
2642f025 | 737 | /* Add FCoE APP if Error is False and Oper/Sync is True */ |
9fa61dd2 | 738 | if (!err && sync && oper) { |
9fa61dd2 | 739 | /* FCoE APP */ |
2642f025 | 740 | dcbcfg->app[i].priority = |
9fa61dd2 NP |
741 | (app_prio & I40E_AQC_CEE_APP_FCOE_MASK) >> |
742 | I40E_AQC_CEE_APP_FCOE_SHIFT; | |
2642f025 NP |
743 | dcbcfg->app[i].selector = I40E_APP_SEL_ETHTYPE; |
744 | dcbcfg->app[i].protocolid = I40E_APP_PROTOID_FCOE; | |
745 | i++; | |
746 | } | |
9fa61dd2 | 747 | |
2642f025 NP |
748 | status = (tlv_status & I40E_AQC_CEE_ISCSI_STATUS_MASK) >> |
749 | I40E_AQC_CEE_ISCSI_STATUS_SHIFT; | |
750 | err = (status & I40E_TLV_STATUS_ERR) ? 1 : 0; | |
751 | sync = (status & I40E_TLV_STATUS_SYNC) ? 1 : 0; | |
752 | oper = (status & I40E_TLV_STATUS_OPER) ? 1 : 0; | |
753 | /* Add iSCSI APP if Error is False and Oper/Sync is True */ | |
754 | if (!err && sync && oper) { | |
9fa61dd2 | 755 | /* iSCSI APP */ |
2642f025 | 756 | dcbcfg->app[i].priority = |
9fa61dd2 NP |
757 | (app_prio & I40E_AQC_CEE_APP_ISCSI_MASK) >> |
758 | I40E_AQC_CEE_APP_ISCSI_SHIFT; | |
2642f025 NP |
759 | dcbcfg->app[i].selector = I40E_APP_SEL_TCPIP; |
760 | dcbcfg->app[i].protocolid = I40E_APP_PROTOID_ISCSI; | |
761 | i++; | |
762 | } | |
9fa61dd2 | 763 | |
2642f025 NP |
764 | status = (tlv_status & I40E_AQC_CEE_FIP_STATUS_MASK) >> |
765 | I40E_AQC_CEE_FIP_STATUS_SHIFT; | |
766 | err = (status & I40E_TLV_STATUS_ERR) ? 1 : 0; | |
767 | sync = (status & I40E_TLV_STATUS_SYNC) ? 1 : 0; | |
768 | oper = (status & I40E_TLV_STATUS_OPER) ? 1 : 0; | |
769 | /* Add FIP APP if Error is False and Oper/Sync is True */ | |
770 | if (!err && sync && oper) { | |
9fa61dd2 | 771 | /* FIP APP */ |
2642f025 | 772 | dcbcfg->app[i].priority = |
9fa61dd2 NP |
773 | (app_prio & I40E_AQC_CEE_APP_FIP_MASK) >> |
774 | I40E_AQC_CEE_APP_FIP_SHIFT; | |
2642f025 NP |
775 | dcbcfg->app[i].selector = I40E_APP_SEL_ETHTYPE; |
776 | dcbcfg->app[i].protocolid = I40E_APP_PROTOID_FIP; | |
777 | i++; | |
9fa61dd2 | 778 | } |
2642f025 | 779 | dcbcfg->numapps = i; |
9fa61dd2 NP |
780 | } |
781 | ||
1a9375eb NP |
782 | /** |
783 | * i40e_get_ieee_dcb_config | |
784 | * @hw: pointer to the hw struct | |
785 | * | |
786 | * Get IEEE mode DCB configuration from the Firmware | |
787 | **/ | |
788 | static i40e_status i40e_get_ieee_dcb_config(struct i40e_hw *hw) | |
789 | { | |
790 | i40e_status ret = 0; | |
791 | ||
792 | /* IEEE mode */ | |
793 | hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_IEEE; | |
794 | /* Get Local DCB Config */ | |
795 | ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_LOCAL, 0, | |
796 | &hw->local_dcbx_config); | |
797 | if (ret) | |
798 | goto out; | |
799 | ||
800 | /* Get Remote DCB Config */ | |
801 | ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_REMOTE, | |
802 | I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, | |
803 | &hw->remote_dcbx_config); | |
804 | /* Don't treat ENOENT as an error for Remote MIBs */ | |
805 | if (hw->aq.asq_last_status == I40E_AQ_RC_ENOENT) | |
806 | ret = 0; | |
807 | ||
808 | out: | |
809 | return ret; | |
810 | } | |
811 | ||
afb3ff0d NP |
812 | /** |
813 | * i40e_get_dcb_config | |
814 | * @hw: pointer to the hw struct | |
815 | * | |
816 | * Get DCB configuration from the Firmware | |
817 | **/ | |
818 | i40e_status i40e_get_dcb_config(struct i40e_hw *hw) | |
819 | { | |
820 | i40e_status ret = 0; | |
9fa61dd2 NP |
821 | struct i40e_aqc_get_cee_dcb_cfg_resp cee_cfg; |
822 | struct i40e_aqc_get_cee_dcb_cfg_v1_resp cee_v1_cfg; | |
823 | ||
6dfae389 GB |
824 | /* If Firmware version < v4.33 on X710/XL710, IEEE only */ |
825 | if ((hw->mac.type == I40E_MAC_XL710) && | |
826 | (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) || | |
827 | (hw->aq.fw_maj_ver < 4))) | |
1a9375eb | 828 | return i40e_get_ieee_dcb_config(hw); |
9fa61dd2 | 829 | |
6dfae389 GB |
830 | /* If Firmware version == v4.33 on X710/XL710, use old CEE struct */ |
831 | if ((hw->mac.type == I40E_MAC_XL710) && | |
832 | ((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver == 33))) { | |
9fa61dd2 NP |
833 | ret = i40e_aq_get_cee_dcb_config(hw, &cee_v1_cfg, |
834 | sizeof(cee_v1_cfg), NULL); | |
835 | if (!ret) { | |
836 | /* CEE mode */ | |
837 | hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_CEE; | |
9fffa3f3 NP |
838 | hw->local_dcbx_config.tlv_status = |
839 | le16_to_cpu(cee_v1_cfg.tlv_status); | |
9fa61dd2 NP |
840 | i40e_cee_to_dcb_v1_config(&cee_v1_cfg, |
841 | &hw->local_dcbx_config); | |
842 | } | |
843 | } else { | |
844 | ret = i40e_aq_get_cee_dcb_config(hw, &cee_cfg, | |
845 | sizeof(cee_cfg), NULL); | |
846 | if (!ret) { | |
847 | /* CEE mode */ | |
848 | hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_CEE; | |
9fffa3f3 NP |
849 | hw->local_dcbx_config.tlv_status = |
850 | le32_to_cpu(cee_cfg.tlv_status); | |
9fa61dd2 NP |
851 | i40e_cee_to_dcb_config(&cee_cfg, |
852 | &hw->local_dcbx_config); | |
853 | } | |
854 | } | |
855 | ||
856 | /* CEE mode not enabled try querying IEEE data */ | |
857 | if (hw->aq.asq_last_status == I40E_AQ_RC_ENOENT) | |
1a9375eb NP |
858 | return i40e_get_ieee_dcb_config(hw); |
859 | ||
860 | if (ret) | |
9fa61dd2 | 861 | goto out; |
afb3ff0d | 862 | |
1a9375eb | 863 | /* Get CEE DCB Desired Config */ |
afb3ff0d | 864 | ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_LOCAL, 0, |
1a9375eb | 865 | &hw->desired_dcbx_config); |
afb3ff0d NP |
866 | if (ret) |
867 | goto out; | |
868 | ||
869 | /* Get Remote DCB Config */ | |
870 | ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_REMOTE, | |
871 | I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, | |
872 | &hw->remote_dcbx_config); | |
9fa61dd2 NP |
873 | /* Don't treat ENOENT as an error for Remote MIBs */ |
874 | if (hw->aq.asq_last_status == I40E_AQ_RC_ENOENT) | |
875 | ret = 0; | |
876 | ||
afb3ff0d NP |
877 | out: |
878 | return ret; | |
879 | } | |
880 | ||
881 | /** | |
882 | * i40e_init_dcb | |
883 | * @hw: pointer to the hw struct | |
884 | * | |
885 | * Update DCB configuration from the Firmware | |
886 | **/ | |
887 | i40e_status i40e_init_dcb(struct i40e_hw *hw) | |
888 | { | |
889 | i40e_status ret = 0; | |
e1c4751e NP |
890 | struct i40e_lldp_variables lldp_cfg; |
891 | u8 adminstatus = 0; | |
afb3ff0d NP |
892 | |
893 | if (!hw->func_caps.dcb) | |
894 | return ret; | |
895 | ||
e1c4751e NP |
896 | /* Read LLDP NVM area */ |
897 | ret = i40e_read_lldp_cfg(hw, &lldp_cfg); | |
898 | if (ret) | |
899 | return ret; | |
900 | ||
901 | /* Get the LLDP AdminStatus for the current port */ | |
902 | adminstatus = lldp_cfg.adminstatus >> (hw->port * 4); | |
903 | adminstatus &= 0xF; | |
904 | ||
905 | /* LLDP agent disabled */ | |
906 | if (!adminstatus) { | |
907 | hw->dcbx_status = I40E_DCBX_STATUS_DISABLED; | |
908 | return ret; | |
909 | } | |
910 | ||
afb3ff0d NP |
911 | /* Get DCBX status */ |
912 | ret = i40e_get_dcbx_status(hw, &hw->dcbx_status); | |
913 | if (ret) | |
914 | return ret; | |
915 | ||
916 | /* Check the DCBX Status */ | |
917 | switch (hw->dcbx_status) { | |
918 | case I40E_DCBX_STATUS_DONE: | |
919 | case I40E_DCBX_STATUS_IN_PROGRESS: | |
920 | /* Get current DCBX configuration */ | |
921 | ret = i40e_get_dcb_config(hw); | |
e1c4751e NP |
922 | if (ret) |
923 | return ret; | |
afb3ff0d NP |
924 | break; |
925 | case I40E_DCBX_STATUS_DISABLED: | |
926 | return ret; | |
927 | case I40E_DCBX_STATUS_NOT_STARTED: | |
928 | case I40E_DCBX_STATUS_MULTIPLE_PEERS: | |
929 | default: | |
930 | break; | |
931 | } | |
932 | ||
933 | /* Configure the LLDP MIB change event */ | |
934 | ret = i40e_aq_cfg_lldp_mib_change_event(hw, true, NULL); | |
935 | if (ret) | |
936 | return ret; | |
937 | ||
938 | return ret; | |
939 | } | |
e1c4751e NP |
940 | |
941 | /** | |
942 | * i40e_read_lldp_cfg - read LLDP Configuration data from NVM | |
943 | * @hw: pointer to the HW structure | |
944 | * @lldp_cfg: pointer to hold lldp configuration variables | |
945 | * | |
946 | * Reads the LLDP configuration data from NVM | |
947 | **/ | |
948 | i40e_status i40e_read_lldp_cfg(struct i40e_hw *hw, | |
949 | struct i40e_lldp_variables *lldp_cfg) | |
950 | { | |
951 | i40e_status ret = 0; | |
952 | u32 offset = (2 * I40E_NVM_LLDP_CFG_PTR); | |
953 | ||
954 | if (!lldp_cfg) | |
955 | return I40E_ERR_PARAM; | |
956 | ||
957 | ret = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); | |
958 | if (ret) | |
959 | goto err_lldp_cfg; | |
960 | ||
961 | ret = i40e_aq_read_nvm(hw, I40E_SR_EMP_MODULE_PTR, offset, | |
962 | sizeof(struct i40e_lldp_variables), | |
963 | (u8 *)lldp_cfg, | |
964 | true, NULL); | |
965 | i40e_release_nvm(hw); | |
966 | ||
967 | err_lldp_cfg: | |
968 | return ret; | |
969 | } |