1 /* bnx2x_dcb.c: QLogic Everest network driver.
2 *
3 * Copyright 2009-2013 Broadcom Corporation
4 * Copyright 2014 QLogic Corporation
5 * All rights reserved
6 *
7 * Unless you and QLogic execute a separate written software license
8 * agreement governing use of this software, this software is licensed to you
9 * under the terms of the GNU General Public License version 2, available
10 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
11 *
12 * Notwithstanding the above, under no circumstances may you combine this
13 * software in any way with any other QLogic software provided under a
14 * license other than the GPL, without QLogic's express prior written
15 * consent.
16 *
17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
18 * Written by: Dmitry Kravkov
19 *
20 */
21
22 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23
24 #include <linux/netdevice.h>
25 #include <linux/types.h>
26 #include <linux/errno.h>
27 #include <linux/rtnetlink.h>
28 #include <net/dcbnl.h>
29
30 #include "bnx2x.h"
31 #include "bnx2x_cmn.h"
32 #include "bnx2x_dcb.h"
33
34 /* forward declarations of dcbx related functions */
35 static void bnx2x_pfc_set_pfc(struct bnx2x *bp);
36 static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp);
37 static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
38 u32 *set_configuration_ets_pg,
39 u32 *pri_pg_tbl);
40 static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
41 u32 *pg_pri_orginal_spread,
42 struct pg_help_data *help_data);
43 static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp,
44 struct pg_help_data *help_data,
45 struct dcbx_ets_feature *ets,
46 u32 *pg_pri_orginal_spread);
47 static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
48 struct cos_help_data *cos_data,
49 u32 *pg_pri_orginal_spread,
50 struct dcbx_ets_feature *ets);
51 static void bnx2x_dcbx_fw_struct(struct bnx2x *bp,
52 struct bnx2x_func_tx_start_params*);
53
54 /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */
bnx2x_read_data(struct bnx2x * bp,u32 * buff,u32 addr,u32 len)55 static void bnx2x_read_data(struct bnx2x *bp, u32 *buff,
56 u32 addr, u32 len)
57 {
58 int i;
59 for (i = 0; i < len; i += 4, buff++)
60 *buff = REG_RD(bp, addr + i);
61 }
62
bnx2x_write_data(struct bnx2x * bp,u32 * buff,u32 addr,u32 len)63 static void bnx2x_write_data(struct bnx2x *bp, u32 *buff,
64 u32 addr, u32 len)
65 {
66 int i;
67 for (i = 0; i < len; i += 4, buff++)
68 REG_WR(bp, addr + i, *buff);
69 }
70
bnx2x_pfc_set(struct bnx2x * bp)71 static void bnx2x_pfc_set(struct bnx2x *bp)
72 {
73 struct bnx2x_nig_brb_pfc_port_params pfc_params = {0};
74 u32 pri_bit, val = 0;
75 int i;
76
77 pfc_params.num_of_rx_cos_priority_mask =
78 bp->dcbx_port_params.ets.num_of_cos;
79
80 /* Tx COS configuration */
81 for (i = 0; i < bp->dcbx_port_params.ets.num_of_cos; i++)
82 /*
83 * We configure only the pauseable bits (non pauseable aren't
84 * configured at all) it's done to avoid false pauses from
85 * network
86 */
87 pfc_params.rx_cos_priority_mask[i] =
88 bp->dcbx_port_params.ets.cos_params[i].pri_bitmask
89 & DCBX_PFC_PRI_PAUSE_MASK(bp);
90
91 /*
92 * Rx COS configuration
93 * Changing PFC RX configuration .
94 * In RX COS0 will always be configured to lossless and COS1 to lossy
95 */
96 for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) {
97 pri_bit = 1 << i;
98
99 if (!(pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp)))
100 val |= 1 << (i * 4);
101 }
102
103 pfc_params.pkt_priority_to_cos = val;
104
105 /* RX COS0 */
106 pfc_params.llfc_low_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp);
107 /* RX COS1 */
108 pfc_params.llfc_high_priority_classes = 0;
109
110 bnx2x_acquire_phy_lock(bp);
111 bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED;
112 bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params);
113 bnx2x_release_phy_lock(bp);
114 }
115
bnx2x_pfc_clear(struct bnx2x * bp)116 static void bnx2x_pfc_clear(struct bnx2x *bp)
117 {
118 struct bnx2x_nig_brb_pfc_port_params nig_params = {0};
119 nig_params.pause_enable = 1;
120 bnx2x_acquire_phy_lock(bp);
121 bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED;
122 bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params);
123 bnx2x_release_phy_lock(bp);
124 }
125
bnx2x_dump_dcbx_drv_param(struct bnx2x * bp,struct dcbx_features * features,u32 error)126 static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp,
127 struct dcbx_features *features,
128 u32 error)
129 {
130 u8 i = 0;
131 DP(NETIF_MSG_LINK, "local_mib.error %x\n", error);
132
133 /* PG */
134 DP(NETIF_MSG_LINK,
135 "local_mib.features.ets.enabled %x\n", features->ets.enabled);
136 for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++)
137 DP(NETIF_MSG_LINK,
138 "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i,
139 DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i));
140 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++)
141 DP(NETIF_MSG_LINK,
142 "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i,
143 DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i));
144
145 /* pfc */
146 DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pri_en_bitmap %x\n",
147 features->pfc.pri_en_bitmap);
148 DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pfc_caps %x\n",
149 features->pfc.pfc_caps);
150 DP(BNX2X_MSG_DCB, "dcbx_features.pfc.enabled %x\n",
151 features->pfc.enabled);
152
153 DP(BNX2X_MSG_DCB, "dcbx_features.app.default_pri %x\n",
154 features->app.default_pri);
155 DP(BNX2X_MSG_DCB, "dcbx_features.app.tc_supported %x\n",
156 features->app.tc_supported);
157 DP(BNX2X_MSG_DCB, "dcbx_features.app.enabled %x\n",
158 features->app.enabled);
159 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
160 DP(BNX2X_MSG_DCB,
161 "dcbx_features.app.app_pri_tbl[%x].app_id %x\n",
162 i, features->app.app_pri_tbl[i].app_id);
163 DP(BNX2X_MSG_DCB,
164 "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n",
165 i, features->app.app_pri_tbl[i].pri_bitmap);
166 DP(BNX2X_MSG_DCB,
167 "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n",
168 i, features->app.app_pri_tbl[i].appBitfield);
169 }
170 }
171
bnx2x_dcbx_get_ap_priority(struct bnx2x * bp,u8 pri_bitmap,u8 llfc_traf_type)172 static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp,
173 u8 pri_bitmap,
174 u8 llfc_traf_type)
175 {
176 u32 pri = MAX_PFC_PRIORITIES;
177 u32 index = MAX_PFC_PRIORITIES - 1;
178 u32 pri_mask;
179 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
180
181 /* Choose the highest priority */
182 while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) {
183 pri_mask = 1 << index;
184 if (GET_FLAGS(pri_bitmap, pri_mask))
185 pri = index ;
186 index--;
187 }
188
189 if (pri < MAX_PFC_PRIORITIES)
190 ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri);
191 }
192
bnx2x_dcbx_get_ap_feature(struct bnx2x * bp,struct dcbx_app_priority_feature * app,u32 error)193 static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
194 struct dcbx_app_priority_feature *app,
195 u32 error) {
196 u8 index;
197 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
198
199 if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR))
200 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_ERROR\n");
201
202 if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH))
203 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_MISMATCH\n");
204
205 if (GET_FLAGS(error, DCBX_REMOTE_APP_TLV_NOT_FOUND))
206 DP(BNX2X_MSG_DCB, "DCBX_REMOTE_APP_TLV_NOT_FOUND\n");
207 if (app->enabled &&
208 !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH |
209 DCBX_REMOTE_APP_TLV_NOT_FOUND)) {
210
211 bp->dcbx_port_params.app.enabled = true;
212
213 for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
214 ttp[index] = 0;
215
216 if (app->default_pri < MAX_PFC_PRIORITIES)
217 ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri;
218
219 for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) {
220 struct dcbx_app_priority_entry *entry =
221 app->app_pri_tbl;
222
223 if (GET_FLAGS(entry[index].appBitfield,
224 DCBX_APP_SF_ETH_TYPE) &&
225 ETH_TYPE_FCOE == entry[index].app_id)
226 bnx2x_dcbx_get_ap_priority(bp,
227 entry[index].pri_bitmap,
228 LLFC_TRAFFIC_TYPE_FCOE);
229
230 if (GET_FLAGS(entry[index].appBitfield,
231 DCBX_APP_SF_PORT) &&
232 TCP_PORT_ISCSI == entry[index].app_id)
233 bnx2x_dcbx_get_ap_priority(bp,
234 entry[index].pri_bitmap,
235 LLFC_TRAFFIC_TYPE_ISCSI);
236 }
237 } else {
238 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_DISABLED\n");
239 bp->dcbx_port_params.app.enabled = false;
240 for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
241 ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY;
242 }
243 }
244
bnx2x_dcbx_get_ets_feature(struct bnx2x * bp,struct dcbx_ets_feature * ets,u32 error)245 static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp,
246 struct dcbx_ets_feature *ets,
247 u32 error) {
248 int i = 0;
249 u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0};
250 struct pg_help_data pg_help_data;
251 struct bnx2x_dcbx_cos_params *cos_params =
252 bp->dcbx_port_params.ets.cos_params;
253
254 memset(&pg_help_data, 0, sizeof(struct pg_help_data));
255
256 if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR))
257 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ERROR\n");
258
259 if (GET_FLAGS(error, DCBX_REMOTE_ETS_TLV_NOT_FOUND))
260 DP(BNX2X_MSG_DCB, "DCBX_REMOTE_ETS_TLV_NOT_FOUND\n");
261
262 /* Clean up old settings of ets on COS */
263 for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params) ; i++) {
264 cos_params[i].pauseable = false;
265 cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID;
266 cos_params[i].bw_tbl = DCBX_INVALID_COS_BW;
267 cos_params[i].pri_bitmask = 0;
268 }
269
270 if (bp->dcbx_port_params.app.enabled && ets->enabled &&
271 !GET_FLAGS(error,
272 DCBX_LOCAL_ETS_ERROR | DCBX_REMOTE_ETS_TLV_NOT_FOUND)) {
273 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ENABLE\n");
274 bp->dcbx_port_params.ets.enabled = true;
275
276 bnx2x_dcbx_get_ets_pri_pg_tbl(bp,
277 pg_pri_orginal_spread,
278 ets->pri_pg_tbl);
279
280 bnx2x_dcbx_get_num_pg_traf_type(bp,
281 pg_pri_orginal_spread,
282 &pg_help_data);
283
284 bnx2x_dcbx_fill_cos_params(bp, &pg_help_data,
285 ets, pg_pri_orginal_spread);
286
287 } else {
288 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_DISABLED\n");
289 bp->dcbx_port_params.ets.enabled = false;
290 ets->pri_pg_tbl[0] = 0;
291
292 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++)
293 DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1);
294 }
295 }
296
bnx2x_dcbx_get_pfc_feature(struct bnx2x * bp,struct dcbx_pfc_feature * pfc,u32 error)297 static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp,
298 struct dcbx_pfc_feature *pfc, u32 error)
299 {
300 if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR))
301 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_ERROR\n");
302
303 if (GET_FLAGS(error, DCBX_REMOTE_PFC_TLV_NOT_FOUND))
304 DP(BNX2X_MSG_DCB, "DCBX_REMOTE_PFC_TLV_NOT_FOUND\n");
305 if (bp->dcbx_port_params.app.enabled && pfc->enabled &&
306 !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH |
307 DCBX_REMOTE_PFC_TLV_NOT_FOUND)) {
308 bp->dcbx_port_params.pfc.enabled = true;
309 bp->dcbx_port_params.pfc.priority_non_pauseable_mask =
310 ~(pfc->pri_en_bitmap);
311 } else {
312 DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_DISABLED\n");
313 bp->dcbx_port_params.pfc.enabled = false;
314 bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0;
315 }
316 }
317
318 /* maps unmapped priorities to to the same COS as L2 */
bnx2x_dcbx_map_nw(struct bnx2x * bp)319 static void bnx2x_dcbx_map_nw(struct bnx2x *bp)
320 {
321 int i;
322 u32 unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */
323 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
324 u32 nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW];
325 struct bnx2x_dcbx_cos_params *cos_params =
326 bp->dcbx_port_params.ets.cos_params;
327
328 /* get unmapped priorities by clearing mapped bits */
329 for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++)
330 unmapped &= ~(1 << ttp[i]);
331
332 /* find cos for nw prio and extend it with unmapped */
333 for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) {
334 if (cos_params[i].pri_bitmask & nw_prio) {
335 /* extend the bitmask with unmapped */
336 DP(BNX2X_MSG_DCB,
337 "cos %d extended with 0x%08x\n", i, unmapped);
338 cos_params[i].pri_bitmask |= unmapped;
339 break;
340 }
341 }
342 }
343
bnx2x_get_dcbx_drv_param(struct bnx2x * bp,struct dcbx_features * features,u32 error)344 static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp,
345 struct dcbx_features *features,
346 u32 error)
347 {
348 bnx2x_dcbx_get_ap_feature(bp, &features->app, error);
349
350 bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error);
351
352 bnx2x_dcbx_get_ets_feature(bp, &features->ets, error);
353
354 bnx2x_dcbx_map_nw(bp);
355 }
356
357 #define DCBX_LOCAL_MIB_MAX_TRY_READ (100)
bnx2x_dcbx_read_mib(struct bnx2x * bp,u32 * base_mib_addr,u32 offset,int read_mib_type)358 static int bnx2x_dcbx_read_mib(struct bnx2x *bp,
359 u32 *base_mib_addr,
360 u32 offset,
361 int read_mib_type)
362 {
363 int max_try_read = 0;
364 u32 mib_size, prefix_seq_num, suffix_seq_num;
365 struct lldp_remote_mib *remote_mib ;
366 struct lldp_local_mib *local_mib;
367
368 switch (read_mib_type) {
369 case DCBX_READ_LOCAL_MIB:
370 mib_size = sizeof(struct lldp_local_mib);
371 break;
372 case DCBX_READ_REMOTE_MIB:
373 mib_size = sizeof(struct lldp_remote_mib);
374 break;
375 default:
376 return 1; /*error*/
377 }
378
379 offset += BP_PORT(bp) * mib_size;
380
381 do {
382 bnx2x_read_data(bp, base_mib_addr, offset, mib_size);
383
384 max_try_read++;
385
386 switch (read_mib_type) {
387 case DCBX_READ_LOCAL_MIB:
388 local_mib = (struct lldp_local_mib *) base_mib_addr;
389 prefix_seq_num = local_mib->prefix_seq_num;
390 suffix_seq_num = local_mib->suffix_seq_num;
391 break;
392 case DCBX_READ_REMOTE_MIB:
393 remote_mib = (struct lldp_remote_mib *) base_mib_addr;
394 prefix_seq_num = remote_mib->prefix_seq_num;
395 suffix_seq_num = remote_mib->suffix_seq_num;
396 break;
397 default:
398 return 1; /*error*/
399 }
400 } while ((prefix_seq_num != suffix_seq_num) &&
401 (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ));
402
403 if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) {
404 BNX2X_ERR("MIB could not be read\n");
405 return 1;
406 }
407
408 return 0;
409 }
410
bnx2x_pfc_set_pfc(struct bnx2x * bp)411 static void bnx2x_pfc_set_pfc(struct bnx2x *bp)
412 {
413 int mfw_configured = SHMEM2_HAS(bp, drv_flags) &&
414 GET_FLAGS(SHMEM2_RD(bp, drv_flags),
415 1 << DRV_FLAGS_DCB_MFW_CONFIGURED);
416
417 if (bp->dcbx_port_params.pfc.enabled &&
418 (!(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) || mfw_configured))
419 /*
420 * 1. Fills up common PFC structures if required
421 * 2. Configure NIG, MAC and BRB via the elink
422 */
423 bnx2x_pfc_set(bp);
424 else
425 bnx2x_pfc_clear(bp);
426 }
427
bnx2x_dcbx_stop_hw_tx(struct bnx2x * bp)428 int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp)
429 {
430 struct bnx2x_func_state_params func_params = {NULL};
431 int rc;
432
433 func_params.f_obj = &bp->func_obj;
434 func_params.cmd = BNX2X_F_CMD_TX_STOP;
435
436 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
437 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
438
439 DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n");
440
441 rc = bnx2x_func_state_change(bp, &func_params);
442 if (rc) {
443 BNX2X_ERR("Unable to hold traffic for HW configuration\n");
444 bnx2x_panic();
445 }
446
447 return rc;
448 }
449
bnx2x_dcbx_resume_hw_tx(struct bnx2x * bp)450 int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp)
451 {
452 struct bnx2x_func_state_params func_params = {NULL};
453 struct bnx2x_func_tx_start_params *tx_params =
454 &func_params.params.tx_start;
455 int rc;
456
457 func_params.f_obj = &bp->func_obj;
458 func_params.cmd = BNX2X_F_CMD_TX_START;
459
460 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
461 __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
462
463 bnx2x_dcbx_fw_struct(bp, tx_params);
464
465 DP(BNX2X_MSG_DCB, "START TRAFFIC\n");
466
467 rc = bnx2x_func_state_change(bp, &func_params);
468 if (rc) {
469 BNX2X_ERR("Unable to resume traffic after HW configuration\n");
470 bnx2x_panic();
471 }
472
473 return rc;
474 }
475
bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x * bp)476 static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp)
477 {
478 struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets);
479 int rc = 0;
480
481 if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) {
482 BNX2X_ERR("Illegal number of COSes %d\n", ets->num_of_cos);
483 return;
484 }
485
486 /* valid COS entries */
487 if (ets->num_of_cos == 1) /* no ETS */
488 return;
489
490 /* sanity */
491 if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) &&
492 (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) ||
493 ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) &&
494 (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) {
495 BNX2X_ERR("all COS should have at least bw_limit or strict"
496 "ets->cos_params[0].strict= %x"
497 "ets->cos_params[0].bw_tbl= %x"
498 "ets->cos_params[1].strict= %x"
499 "ets->cos_params[1].bw_tbl= %x",
500 ets->cos_params[0].strict,
501 ets->cos_params[0].bw_tbl,
502 ets->cos_params[1].strict,
503 ets->cos_params[1].bw_tbl);
504 return;
505 }
506 /* If we join a group and there is bw_tbl and strict then bw rules */
507 if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) &&
508 (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) {
509 u32 bw_tbl_0 = ets->cos_params[0].bw_tbl;
510 u32 bw_tbl_1 = ets->cos_params[1].bw_tbl;
511 /* Do not allow 0-100 configuration
512 * since PBF does not support it
513 * force 1-99 instead
514 */
515 if (bw_tbl_0 == 0) {
516 bw_tbl_0 = 1;
517 bw_tbl_1 = 99;
518 } else if (bw_tbl_1 == 0) {
519 bw_tbl_1 = 1;
520 bw_tbl_0 = 99;
521 }
522
523 bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1);
524 } else {
525 if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST)
526 rc = bnx2x_ets_strict(&bp->link_params, 0);
527 else if (ets->cos_params[1].strict
528 == BNX2X_DCBX_STRICT_COS_HIGHEST)
529 rc = bnx2x_ets_strict(&bp->link_params, 1);
530 if (rc)
531 BNX2X_ERR("update_ets_params failed\n");
532 }
533 }
534
535 /*
536 * In E3B0 the configuration may have more than 2 COS.
537 */
bnx2x_dcbx_update_ets_config(struct bnx2x * bp)538 static void bnx2x_dcbx_update_ets_config(struct bnx2x *bp)
539 {
540 struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets);
541 struct bnx2x_ets_params ets_params = { 0 };
542 u8 i;
543
544 ets_params.num_of_cos = ets->num_of_cos;
545
546 for (i = 0; i < ets->num_of_cos; i++) {
547 /* COS is SP */
548 if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) {
549 if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) {
550 BNX2X_ERR("COS can't be not BW and not SP\n");
551 return;
552 }
553
554 ets_params.cos[i].state = bnx2x_cos_state_strict;
555 ets_params.cos[i].params.sp_params.pri =
556 ets->cos_params[i].strict;
557 } else { /* COS is BW */
558 if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) {
559 BNX2X_ERR("COS can't be not BW and not SP\n");
560 return;
561 }
562 ets_params.cos[i].state = bnx2x_cos_state_bw;
563 ets_params.cos[i].params.bw_params.bw =
564 (u8)ets->cos_params[i].bw_tbl;
565 }
566 }
567
568 /* Configure the ETS in HW */
569 if (bnx2x_ets_e3b0_config(&bp->link_params, &bp->link_vars,
570 &ets_params)) {
571 BNX2X_ERR("bnx2x_ets_e3b0_config failed\n");
572 bnx2x_ets_disabled(&bp->link_params, &bp->link_vars);
573 }
574 }
575
bnx2x_dcbx_update_ets_params(struct bnx2x * bp)576 static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp)
577 {
578 int mfw_configured = SHMEM2_HAS(bp, drv_flags) &&
579 GET_FLAGS(SHMEM2_RD(bp, drv_flags),
580 1 << DRV_FLAGS_DCB_MFW_CONFIGURED);
581
582 bnx2x_ets_disabled(&bp->link_params, &bp->link_vars);
583
584 if (!bp->dcbx_port_params.ets.enabled ||
585 ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured))
586 return;
587
588 if (CHIP_IS_E3B0(bp))
589 bnx2x_dcbx_update_ets_config(bp);
590 else
591 bnx2x_dcbx_2cos_limit_update_ets_config(bp);
592 }
593
594 #ifdef BCM_DCBNL
bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x * bp)595 static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp)
596 {
597 struct lldp_remote_mib remote_mib = {0};
598 u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset);
599 int rc;
600
601 DP(BNX2X_MSG_DCB, "dcbx_remote_mib_offset 0x%x\n",
602 dcbx_remote_mib_offset);
603
604 if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) {
605 BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n");
606 return -EINVAL;
607 }
608
609 rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset,
610 DCBX_READ_REMOTE_MIB);
611
612 if (rc) {
613 BNX2X_ERR("Failed to read remote mib from FW\n");
614 return rc;
615 }
616
617 /* save features and flags */
618 bp->dcbx_remote_feat = remote_mib.features;
619 bp->dcbx_remote_flags = remote_mib.flags;
620 return 0;
621 }
622 #endif
623
bnx2x_dcbx_read_shmem_neg_results(struct bnx2x * bp)624 static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp)
625 {
626 struct lldp_local_mib local_mib = {0};
627 u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset);
628 int rc;
629
630 DP(BNX2X_MSG_DCB, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset);
631
632 if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) {
633 BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n");
634 return -EINVAL;
635 }
636
637 rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset,
638 DCBX_READ_LOCAL_MIB);
639
640 if (rc) {
641 BNX2X_ERR("Failed to read local mib from FW\n");
642 return rc;
643 }
644
645 /* save features and error */
646 bp->dcbx_local_feat = local_mib.features;
647 bp->dcbx_error = local_mib.error;
648 return 0;
649 }
650
651 #ifdef BCM_DCBNL
652 static inline
bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry * ent)653 u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent)
654 {
655 u8 pri;
656
657 /* Choose the highest priority */
658 for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--)
659 if (ent->pri_bitmap & (1 << pri))
660 break;
661 return pri;
662 }
663
664 static inline
bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry * ent)665 u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent)
666 {
667 return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) ==
668 DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM :
669 DCB_APP_IDTYPE_ETHTYPE;
670 }
671
bnx2x_dcbnl_update_applist(struct bnx2x * bp,bool delall)672 int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall)
673 {
674 int i, err = 0;
675
676 for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) {
677 struct dcbx_app_priority_entry *ent =
678 &bp->dcbx_local_feat.app.app_pri_tbl[i];
679
680 if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
681 u8 up = bnx2x_dcbx_dcbnl_app_up(ent);
682
683 /* avoid invalid user-priority */
684 if (up) {
685 struct dcb_app app;
686 app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
687 app.protocol = ent->app_id;
688 app.priority = delall ? 0 : up;
689 err = dcb_setapp(bp->dev, &app);
690 }
691 }
692 }
693 return err;
694 }
695 #endif
696
bnx2x_dcbx_update_tc_mapping(struct bnx2x * bp)697 static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp)
698 {
699 u8 prio, cos;
700 for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) {
701 for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) {
702 if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask
703 & (1 << prio)) {
704 bp->prio_to_cos[prio] = cos;
705 DP(BNX2X_MSG_DCB,
706 "tx_mapping %d --> %d\n", prio, cos);
707 }
708 }
709 }
710
711 /* setup tc must be called under rtnl lock, but we can't take it here
712 * as we are handling an attention on a work queue which must be
713 * flushed at some rtnl-locked contexts (e.g. if down)
714 */
715 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0);
716 }
717
bnx2x_dcbx_set_params(struct bnx2x * bp,u32 state)718 void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
719 {
720 switch (state) {
721 case BNX2X_DCBX_STATE_NEG_RECEIVED:
722 {
723 DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_NEG_RECEIVED\n");
724 #ifdef BCM_DCBNL
725 /**
726 * Delete app tlvs from dcbnl before reading new
727 * negotiation results
728 */
729 bnx2x_dcbnl_update_applist(bp, true);
730
731 /* Read remote mib if dcbx is in the FW */
732 if (bnx2x_dcbx_read_shmem_remote_mib(bp))
733 return;
734 #endif
735 /* Read neg results if dcbx is in the FW */
736 if (bnx2x_dcbx_read_shmem_neg_results(bp))
737 return;
738
739 bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat,
740 bp->dcbx_error);
741
742 bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat,
743 bp->dcbx_error);
744
745 /* mark DCBX result for PMF migration */
746 bnx2x_update_drv_flags(bp,
747 1 << DRV_FLAGS_DCB_CONFIGURED,
748 1);
749 #ifdef BCM_DCBNL
750 /*
751 * Add new app tlvs to dcbnl
752 */
753 bnx2x_dcbnl_update_applist(bp, false);
754 #endif
755 /*
756 * reconfigure the netdevice with the results of the new
757 * dcbx negotiation.
758 */
759 bnx2x_dcbx_update_tc_mapping(bp);
760
761 /*
762 * allow other functions to update their netdevices
763 * accordingly
764 */
765 if (IS_MF(bp))
766 bnx2x_link_sync_notify(bp);
767
768 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0);
769 return;
770 }
771 case BNX2X_DCBX_STATE_TX_PAUSED:
772 DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_PAUSED\n");
773 bnx2x_pfc_set_pfc(bp);
774
775 bnx2x_dcbx_update_ets_params(bp);
776
777 /* ets may affect cmng configuration: reinit it in hw */
778 bnx2x_set_local_cmng(bp);
779 return;
780 case BNX2X_DCBX_STATE_TX_RELEASED:
781 DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_RELEASED\n");
782 bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0);
783 #ifdef BCM_DCBNL
784 /*
785 * Send a notification for the new negotiated parameters
786 */
787 dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0);
788 #endif
789 return;
790 default:
791 BNX2X_ERR("Unknown DCBX_STATE\n");
792 }
793 }
794
795 #define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \
796 BP_PORT(bp)*sizeof(struct lldp_admin_mib))
797
bnx2x_dcbx_admin_mib_updated_params(struct bnx2x * bp,u32 dcbx_lldp_params_offset)798 static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp,
799 u32 dcbx_lldp_params_offset)
800 {
801 struct lldp_admin_mib admin_mib;
802 u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0;
803 u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp);
804
805 /*shortcuts*/
806 struct dcbx_features *af = &admin_mib.features;
807 struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params;
808
809 memset(&admin_mib, 0, sizeof(struct lldp_admin_mib));
810
811 /* Read the data first */
812 bnx2x_read_data(bp, (u32 *)&admin_mib, offset,
813 sizeof(struct lldp_admin_mib));
814
815 if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON)
816 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED);
817 else
818 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED);
819
820 if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) {
821
822 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK);
823 admin_mib.ver_cfg_flags |=
824 (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) &
825 DCBX_CEE_VERSION_MASK;
826
827 af->ets.enabled = (u8)dp->admin_ets_enable;
828
829 af->pfc.enabled = (u8)dp->admin_pfc_enable;
830
831 /* FOR IEEE dp->admin_tc_supported_tx_enable */
832 if (dp->admin_ets_configuration_tx_enable)
833 SET_FLAGS(admin_mib.ver_cfg_flags,
834 DCBX_ETS_CONFIG_TX_ENABLED);
835 else
836 RESET_FLAGS(admin_mib.ver_cfg_flags,
837 DCBX_ETS_CONFIG_TX_ENABLED);
838 /* For IEEE admin_ets_recommendation_tx_enable */
839 if (dp->admin_pfc_tx_enable)
840 SET_FLAGS(admin_mib.ver_cfg_flags,
841 DCBX_PFC_CONFIG_TX_ENABLED);
842 else
843 RESET_FLAGS(admin_mib.ver_cfg_flags,
844 DCBX_PFC_CONFIG_TX_ENABLED);
845
846 if (dp->admin_application_priority_tx_enable)
847 SET_FLAGS(admin_mib.ver_cfg_flags,
848 DCBX_APP_CONFIG_TX_ENABLED);
849 else
850 RESET_FLAGS(admin_mib.ver_cfg_flags,
851 DCBX_APP_CONFIG_TX_ENABLED);
852
853 if (dp->admin_ets_willing)
854 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING);
855 else
856 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING);
857 /* For IEEE admin_ets_reco_valid */
858 if (dp->admin_pfc_willing)
859 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING);
860 else
861 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING);
862
863 if (dp->admin_app_priority_willing)
864 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING);
865 else
866 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING);
867
868 for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) {
869 DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i,
870 (u8)dp->admin_configuration_bw_precentage[i]);
871
872 DP(BNX2X_MSG_DCB, "pg_bw_tbl[%d] = %02x\n",
873 i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i));
874 }
875
876 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) {
877 DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i,
878 (u8)dp->admin_configuration_ets_pg[i]);
879
880 DP(BNX2X_MSG_DCB, "pri_pg_tbl[%d] = %02x\n",
881 i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i));
882 }
883
884 /*For IEEE admin_recommendation_bw_percentage
885 *For IEEE admin_recommendation_ets_pg */
886 af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap;
887 for (i = 0; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) {
888 if (dp->admin_priority_app_table[i].valid) {
889 struct bnx2x_admin_priority_app_table *table =
890 dp->admin_priority_app_table;
891 if ((ETH_TYPE_FCOE == table[i].app_id) &&
892 (TRAFFIC_TYPE_ETH == table[i].traffic_type))
893 traf_type = FCOE_APP_IDX;
894 else if ((TCP_PORT_ISCSI == table[i].app_id) &&
895 (TRAFFIC_TYPE_PORT == table[i].traffic_type))
896 traf_type = ISCSI_APP_IDX;
897 else
898 traf_type = other_traf_type++;
899
900 af->app.app_pri_tbl[traf_type].app_id =
901 table[i].app_id;
902
903 af->app.app_pri_tbl[traf_type].pri_bitmap =
904 (u8)(1 << table[i].priority);
905
906 af->app.app_pri_tbl[traf_type].appBitfield =
907 (DCBX_APP_ENTRY_VALID);
908
909 af->app.app_pri_tbl[traf_type].appBitfield |=
910 (TRAFFIC_TYPE_ETH == table[i].traffic_type) ?
911 DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT;
912 }
913 }
914
915 af->app.default_pri = (u8)dp->admin_default_priority;
916 }
917
918 /* Write the data. */
919 bnx2x_write_data(bp, (u32 *)&admin_mib, offset,
920 sizeof(struct lldp_admin_mib));
921 }
922
bnx2x_dcbx_set_state(struct bnx2x * bp,bool dcb_on,u32 dcbx_enabled)923 void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled)
924 {
925 if (!CHIP_IS_E1x(bp)) {
926 bp->dcb_state = dcb_on;
927 bp->dcbx_enabled = dcbx_enabled;
928 } else {
929 bp->dcb_state = false;
930 bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID;
931 }
932 DP(BNX2X_MSG_DCB, "DCB state [%s:%s]\n",
933 dcb_on ? "ON" : "OFF",
934 dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" :
935 dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" :
936 dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ?
937 "on-chip with negotiation" : "invalid");
938 }
939
bnx2x_dcbx_init_params(struct bnx2x * bp)940 void bnx2x_dcbx_init_params(struct bnx2x *bp)
941 {
942 bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */
943 bp->dcbx_config_params.admin_ets_willing = 1;
944 bp->dcbx_config_params.admin_pfc_willing = 1;
945 bp->dcbx_config_params.overwrite_settings = 1;
946 bp->dcbx_config_params.admin_ets_enable = 1;
947 bp->dcbx_config_params.admin_pfc_enable = 1;
948 bp->dcbx_config_params.admin_tc_supported_tx_enable = 1;
949 bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
950 bp->dcbx_config_params.admin_pfc_tx_enable = 1;
951 bp->dcbx_config_params.admin_application_priority_tx_enable = 1;
952 bp->dcbx_config_params.admin_ets_reco_valid = 1;
953 bp->dcbx_config_params.admin_app_priority_willing = 1;
954 bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 100;
955 bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 0;
956 bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 0;
957 bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0;
958 bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0;
959 bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0;
960 bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0;
961 bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0;
962 bp->dcbx_config_params.admin_configuration_ets_pg[0] = 0;
963 bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0;
964 bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0;
965 bp->dcbx_config_params.admin_configuration_ets_pg[3] = 0;
966 bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0;
967 bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0;
968 bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0;
969 bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0;
970 bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 100;
971 bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 0;
972 bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 0;
973 bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0;
974 bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 0;
975 bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 0;
976 bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 0;
977 bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 0;
978 bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0;
979 bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1;
980 bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2;
981 bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3;
982 bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4;
983 bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5;
984 bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6;
985 bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7;
986 bp->dcbx_config_params.admin_pfc_bitmap = 0x0;
987 bp->dcbx_config_params.admin_priority_app_table[0].valid = 0;
988 bp->dcbx_config_params.admin_priority_app_table[1].valid = 0;
989 bp->dcbx_config_params.admin_priority_app_table[2].valid = 0;
990 bp->dcbx_config_params.admin_priority_app_table[3].valid = 0;
991 bp->dcbx_config_params.admin_default_priority = 0;
992 }
993
bnx2x_dcbx_init(struct bnx2x * bp,bool update_shmem)994 void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem)
995 {
996 u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE;
997
998 /* only PMF can send ADMIN msg to MFW in old MFW versions */
999 if ((!bp->port.pmf) && (!(bp->flags & BC_SUPPORTS_DCBX_MSG_NON_PMF)))
1000 return;
1001
1002 if (bp->dcbx_enabled <= 0)
1003 return;
1004
1005 /* validate:
1006 * chip of good for dcbx version,
1007 * dcb is wanted
1008 * shmem2 contains DCBX support fields
1009 */
1010 DP(BNX2X_MSG_DCB, "dcb_state %d bp->port.pmf %d\n",
1011 bp->dcb_state, bp->port.pmf);
1012
1013 if (bp->dcb_state == BNX2X_DCB_STATE_ON &&
1014 SHMEM2_HAS(bp, dcbx_lldp_params_offset)) {
1015 dcbx_lldp_params_offset =
1016 SHMEM2_RD(bp, dcbx_lldp_params_offset);
1017
1018 DP(BNX2X_MSG_DCB, "dcbx_lldp_params_offset 0x%x\n",
1019 dcbx_lldp_params_offset);
1020
1021 bnx2x_update_drv_flags(bp, 1 << DRV_FLAGS_DCB_CONFIGURED, 0);
1022
1023 if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) {
1024 /* need HW lock to avoid scenario of two drivers
1025 * writing in parallel to shmem
1026 */
1027 bnx2x_acquire_hw_lock(bp,
1028 HW_LOCK_RESOURCE_DCBX_ADMIN_MIB);
1029 if (update_shmem)
1030 bnx2x_dcbx_admin_mib_updated_params(bp,
1031 dcbx_lldp_params_offset);
1032
1033 /* Let HW start negotiation */
1034 bnx2x_fw_command(bp,
1035 DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0);
1036 /* release HW lock only after MFW acks that it finished
1037 * reading values from shmem
1038 */
1039 bnx2x_release_hw_lock(bp,
1040 HW_LOCK_RESOURCE_DCBX_ADMIN_MIB);
1041 }
1042 }
1043 }
1044 static void
bnx2x_dcbx_print_cos_params(struct bnx2x * bp,struct bnx2x_func_tx_start_params * pfc_fw_cfg)1045 bnx2x_dcbx_print_cos_params(struct bnx2x *bp,
1046 struct bnx2x_func_tx_start_params *pfc_fw_cfg)
1047 {
1048 u8 pri = 0;
1049 u8 cos = 0;
1050
1051 DP(BNX2X_MSG_DCB,
1052 "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version);
1053 DP(BNX2X_MSG_DCB,
1054 "pdev->params.dcbx_port_params.pfc.priority_non_pauseable_mask %x\n",
1055 bp->dcbx_port_params.pfc.priority_non_pauseable_mask);
1056
1057 for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) {
1058 DP(BNX2X_MSG_DCB,
1059 "pdev->params.dcbx_port_params.ets.cos_params[%d].pri_bitmask %x\n",
1060 cos, bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask);
1061
1062 DP(BNX2X_MSG_DCB,
1063 "pdev->params.dcbx_port_params.ets.cos_params[%d].bw_tbl %x\n",
1064 cos, bp->dcbx_port_params.ets.cos_params[cos].bw_tbl);
1065
1066 DP(BNX2X_MSG_DCB,
1067 "pdev->params.dcbx_port_params.ets.cos_params[%d].strict %x\n",
1068 cos, bp->dcbx_port_params.ets.cos_params[cos].strict);
1069
1070 DP(BNX2X_MSG_DCB,
1071 "pdev->params.dcbx_port_params.ets.cos_params[%d].pauseable %x\n",
1072 cos, bp->dcbx_port_params.ets.cos_params[cos].pauseable);
1073 }
1074
1075 for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) {
1076 DP(BNX2X_MSG_DCB,
1077 "pfc_fw_cfg->traffic_type_to_priority_cos[%d].priority %x\n",
1078 pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority);
1079
1080 DP(BNX2X_MSG_DCB,
1081 "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n",
1082 pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos);
1083 }
1084 }
1085
1086 /* fills help_data according to pg_info */
bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x * bp,u32 * pg_pri_orginal_spread,struct pg_help_data * help_data)1087 static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
1088 u32 *pg_pri_orginal_spread,
1089 struct pg_help_data *help_data)
1090 {
1091 bool pg_found = false;
1092 u32 i, traf_type, add_traf_type, add_pg;
1093 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
1094 struct pg_entry_help_data *data = help_data->data; /*shortcut*/
1095
1096 /* Set to invalid */
1097 for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++)
1098 data[i].pg = DCBX_ILLEGAL_PG;
1099
1100 for (add_traf_type = 0;
1101 add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) {
1102 pg_found = false;
1103 if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) {
1104 add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]];
1105 for (traf_type = 0;
1106 traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX;
1107 traf_type++) {
1108 if (data[traf_type].pg == add_pg) {
1109 if (!(data[traf_type].pg_priority &
1110 (1 << ttp[add_traf_type])))
1111 data[traf_type].
1112 num_of_dif_pri++;
1113 data[traf_type].pg_priority |=
1114 (1 << ttp[add_traf_type]);
1115 pg_found = true;
1116 break;
1117 }
1118 }
1119 if (false == pg_found) {
1120 data[help_data->num_of_pg].pg = add_pg;
1121 data[help_data->num_of_pg].pg_priority =
1122 (1 << ttp[add_traf_type]);
1123 data[help_data->num_of_pg].num_of_dif_pri = 1;
1124 help_data->num_of_pg++;
1125 }
1126 }
1127 DP(BNX2X_MSG_DCB,
1128 "add_traf_type %d pg_found %s num_of_pg %d\n",
1129 add_traf_type, (false == pg_found) ? "NO" : "YES",
1130 help_data->num_of_pg);
1131 }
1132 }
1133
bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x * bp,struct cos_help_data * cos_data,u32 pri_join_mask)1134 static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp,
1135 struct cos_help_data *cos_data,
1136 u32 pri_join_mask)
1137 {
1138 /* Only one priority than only one COS */
1139 cos_data->data[0].pausable =
1140 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1141 cos_data->data[0].pri_join_mask = pri_join_mask;
1142 cos_data->data[0].cos_bw = 100;
1143 cos_data->num_of_cos = 1;
1144 }
1145
bnx2x_dcbx_add_to_cos_bw(struct bnx2x * bp,struct cos_entry_help_data * data,u8 pg_bw)1146 static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp,
1147 struct cos_entry_help_data *data,
1148 u8 pg_bw)
1149 {
1150 if (data->cos_bw == DCBX_INVALID_COS_BW)
1151 data->cos_bw = pg_bw;
1152 else
1153 data->cos_bw += pg_bw;
1154 }
1155
bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x * bp,struct cos_help_data * cos_data,u32 * pg_pri_orginal_spread,struct dcbx_ets_feature * ets)1156 static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
1157 struct cos_help_data *cos_data,
1158 u32 *pg_pri_orginal_spread,
1159 struct dcbx_ets_feature *ets)
1160 {
1161 u32 pri_tested = 0;
1162 u8 i = 0;
1163 u8 entry = 0;
1164 u8 pg_entry = 0;
1165 u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX;
1166
1167 cos_data->data[0].pausable = true;
1168 cos_data->data[1].pausable = false;
1169 cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0;
1170
1171 for (i = 0 ; i < num_of_pri ; i++) {
1172 pri_tested = 1 << bp->dcbx_port_params.
1173 app.traffic_type_priority[i];
1174
1175 if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) {
1176 cos_data->data[1].pri_join_mask |= pri_tested;
1177 entry = 1;
1178 } else {
1179 cos_data->data[0].pri_join_mask |= pri_tested;
1180 entry = 0;
1181 }
1182 pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params.
1183 app.traffic_type_priority[i]];
1184 /* There can be only one strict pg */
1185 if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES)
1186 bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry],
1187 DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry));
1188 else
1189 /* If we join a group and one is strict
1190 * than the bw rules
1191 */
1192 cos_data->data[entry].strict =
1193 BNX2X_DCBX_STRICT_COS_HIGHEST;
1194 }
1195 if ((0 == cos_data->data[0].pri_join_mask) &&
1196 (0 == cos_data->data[1].pri_join_mask))
1197 BNX2X_ERR("dcbx error: Both groups must have priorities\n");
1198 }
1199
1200 #ifndef POWER_OF_2
1201 #define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1))))
1202 #endif
1203
bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x * bp,struct pg_help_data * pg_help_data,struct cos_help_data * cos_data,u32 pri_join_mask,u8 num_of_dif_pri)1204 static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp,
1205 struct pg_help_data *pg_help_data,
1206 struct cos_help_data *cos_data,
1207 u32 pri_join_mask,
1208 u8 num_of_dif_pri)
1209 {
1210 u8 i = 0;
1211 u32 pri_tested = 0;
1212 u32 pri_mask_without_pri = 0;
1213 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
1214 /*debug*/
1215 if (num_of_dif_pri == 1) {
1216 bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask);
1217 return;
1218 }
1219 /* single priority group */
1220 if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) {
1221 /* If there are both pauseable and non-pauseable priorities,
1222 * the pauseable priorities go to the first queue and
1223 * the non-pauseable priorities go to the second queue.
1224 */
1225 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
1226 /* Pauseable */
1227 cos_data->data[0].pausable = true;
1228 /* Non pauseable.*/
1229 cos_data->data[1].pausable = false;
1230
1231 if (2 == num_of_dif_pri) {
1232 cos_data->data[0].cos_bw = 50;
1233 cos_data->data[1].cos_bw = 50;
1234 }
1235
1236 if (3 == num_of_dif_pri) {
1237 if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp,
1238 pri_join_mask))) {
1239 cos_data->data[0].cos_bw = 33;
1240 cos_data->data[1].cos_bw = 67;
1241 } else {
1242 cos_data->data[0].cos_bw = 67;
1243 cos_data->data[1].cos_bw = 33;
1244 }
1245 }
1246
1247 } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) {
1248 /* If there are only pauseable priorities,
1249 * then one/two priorities go to the first queue
1250 * and one priority goes to the second queue.
1251 */
1252 if (2 == num_of_dif_pri) {
1253 cos_data->data[0].cos_bw = 50;
1254 cos_data->data[1].cos_bw = 50;
1255 } else {
1256 cos_data->data[0].cos_bw = 67;
1257 cos_data->data[1].cos_bw = 33;
1258 }
1259 cos_data->data[1].pausable = true;
1260 cos_data->data[0].pausable = true;
1261 /* All priorities except FCOE */
1262 cos_data->data[0].pri_join_mask = (pri_join_mask &
1263 ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE])));
1264 /* Only FCOE priority.*/
1265 cos_data->data[1].pri_join_mask =
1266 (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]);
1267 } else
1268 /* If there are only non-pauseable priorities,
1269 * they will all go to the same queue.
1270 */
1271 bnx2x_dcbx_ets_disabled_entry_data(bp,
1272 cos_data, pri_join_mask);
1273 } else {
1274 /* priority group which is not BW limited (PG#15):*/
1275 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
1276 /* If there are both pauseable and non-pauseable
1277 * priorities, the pauseable priorities go to the first
1278 * queue and the non-pauseable priorities
1279 * go to the second queue.
1280 */
1281 if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) >
1282 DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) {
1283 cos_data->data[0].strict =
1284 BNX2X_DCBX_STRICT_COS_HIGHEST;
1285 cos_data->data[1].strict =
1286 BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(
1287 BNX2X_DCBX_STRICT_COS_HIGHEST);
1288 } else {
1289 cos_data->data[0].strict =
1290 BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(
1291 BNX2X_DCBX_STRICT_COS_HIGHEST);
1292 cos_data->data[1].strict =
1293 BNX2X_DCBX_STRICT_COS_HIGHEST;
1294 }
1295 /* Pauseable */
1296 cos_data->data[0].pausable = true;
1297 /* Non pause-able.*/
1298 cos_data->data[1].pausable = false;
1299 } else {
1300 /* If there are only pauseable priorities or
1301 * only non-pauseable,* the lower priorities go
1302 * to the first queue and the higher priorities go
1303 * to the second queue.
1304 */
1305 cos_data->data[0].pausable =
1306 cos_data->data[1].pausable =
1307 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1308
1309 for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) {
1310 pri_tested = 1 << bp->dcbx_port_params.
1311 app.traffic_type_priority[i];
1312 /* Remove priority tested */
1313 pri_mask_without_pri =
1314 (pri_join_mask & ((u8)(~pri_tested)));
1315 if (pri_mask_without_pri < pri_tested)
1316 break;
1317 }
1318
1319 if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX)
1320 BNX2X_ERR("Invalid value for pri_join_mask - could not find a priority\n");
1321
1322 cos_data->data[0].pri_join_mask = pri_mask_without_pri;
1323 cos_data->data[1].pri_join_mask = pri_tested;
1324 /* Both queues are strict priority,
1325 * and that with the highest priority
1326 * gets the highest strict priority in the arbiter.
1327 */
1328 cos_data->data[0].strict =
1329 BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(
1330 BNX2X_DCBX_STRICT_COS_HIGHEST);
1331 cos_data->data[1].strict =
1332 BNX2X_DCBX_STRICT_COS_HIGHEST;
1333 }
1334 }
1335 }
1336
bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params(struct bnx2x * bp,struct pg_help_data * pg_help_data,struct dcbx_ets_feature * ets,struct cos_help_data * cos_data,u32 * pg_pri_orginal_spread,u32 pri_join_mask,u8 num_of_dif_pri)1337 static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params(
1338 struct bnx2x *bp,
1339 struct pg_help_data *pg_help_data,
1340 struct dcbx_ets_feature *ets,
1341 struct cos_help_data *cos_data,
1342 u32 *pg_pri_orginal_spread,
1343 u32 pri_join_mask,
1344 u8 num_of_dif_pri)
1345 {
1346 u8 i = 0;
1347 u8 pg[DCBX_COS_MAX_NUM_E2] = { 0 };
1348
1349 /* If there are both pauseable and non-pauseable priorities,
1350 * the pauseable priorities go to the first queue and
1351 * the non-pauseable priorities go to the second queue.
1352 */
1353 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
1354 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp,
1355 pg_help_data->data[0].pg_priority) ||
1356 IS_DCBX_PFC_PRI_MIX_PAUSE(bp,
1357 pg_help_data->data[1].pg_priority)) {
1358 /* If one PG contains both pauseable and
1359 * non-pauseable priorities then ETS is disabled.
1360 */
1361 bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data,
1362 pg_pri_orginal_spread, ets);
1363 bp->dcbx_port_params.ets.enabled = false;
1364 return;
1365 }
1366
1367 /* Pauseable */
1368 cos_data->data[0].pausable = true;
1369 /* Non pauseable. */
1370 cos_data->data[1].pausable = false;
1371 if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp,
1372 pg_help_data->data[0].pg_priority)) {
1373 /* 0 is pauseable */
1374 cos_data->data[0].pri_join_mask =
1375 pg_help_data->data[0].pg_priority;
1376 pg[0] = pg_help_data->data[0].pg;
1377 cos_data->data[1].pri_join_mask =
1378 pg_help_data->data[1].pg_priority;
1379 pg[1] = pg_help_data->data[1].pg;
1380 } else {/* 1 is pauseable */
1381 cos_data->data[0].pri_join_mask =
1382 pg_help_data->data[1].pg_priority;
1383 pg[0] = pg_help_data->data[1].pg;
1384 cos_data->data[1].pri_join_mask =
1385 pg_help_data->data[0].pg_priority;
1386 pg[1] = pg_help_data->data[0].pg;
1387 }
1388 } else {
1389 /* If there are only pauseable priorities or
1390 * only non-pauseable, each PG goes to a queue.
1391 */
1392 cos_data->data[0].pausable = cos_data->data[1].pausable =
1393 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1394 cos_data->data[0].pri_join_mask =
1395 pg_help_data->data[0].pg_priority;
1396 pg[0] = pg_help_data->data[0].pg;
1397 cos_data->data[1].pri_join_mask =
1398 pg_help_data->data[1].pg_priority;
1399 pg[1] = pg_help_data->data[1].pg;
1400 }
1401
1402 /* There can be only one strict pg */
1403 for (i = 0 ; i < ARRAY_SIZE(pg); i++) {
1404 if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES)
1405 cos_data->data[i].cos_bw =
1406 DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]);
1407 else
1408 cos_data->data[i].strict =
1409 BNX2X_DCBX_STRICT_COS_HIGHEST;
1410 }
1411 }
1412
bnx2x_dcbx_join_pgs(struct bnx2x * bp,struct dcbx_ets_feature * ets,struct pg_help_data * pg_help_data,u8 required_num_of_pg)1413 static int bnx2x_dcbx_join_pgs(
1414 struct bnx2x *bp,
1415 struct dcbx_ets_feature *ets,
1416 struct pg_help_data *pg_help_data,
1417 u8 required_num_of_pg)
1418 {
1419 u8 entry_joined = pg_help_data->num_of_pg - 1;
1420 u8 entry_removed = entry_joined + 1;
1421 u8 pg_joined = 0;
1422
1423 if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data)
1424 <= pg_help_data->num_of_pg) {
1425
1426 BNX2X_ERR("required_num_of_pg can't be zero\n");
1427 return -EINVAL;
1428 }
1429
1430 while (required_num_of_pg < pg_help_data->num_of_pg) {
1431 entry_joined = pg_help_data->num_of_pg - 2;
1432 entry_removed = entry_joined + 1;
1433 /* protect index */
1434 entry_removed %= ARRAY_SIZE(pg_help_data->data);
1435
1436 pg_help_data->data[entry_joined].pg_priority |=
1437 pg_help_data->data[entry_removed].pg_priority;
1438
1439 pg_help_data->data[entry_joined].num_of_dif_pri +=
1440 pg_help_data->data[entry_removed].num_of_dif_pri;
1441
1442 if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG ||
1443 pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG)
1444 /* Entries joined strict priority rules */
1445 pg_help_data->data[entry_joined].pg =
1446 DCBX_STRICT_PRI_PG;
1447 else {
1448 /* Entries can be joined join BW */
1449 pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl,
1450 pg_help_data->data[entry_joined].pg) +
1451 DCBX_PG_BW_GET(ets->pg_bw_tbl,
1452 pg_help_data->data[entry_removed].pg);
1453
1454 DCBX_PG_BW_SET(ets->pg_bw_tbl,
1455 pg_help_data->data[entry_joined].pg, pg_joined);
1456 }
1457 /* Joined the entries */
1458 pg_help_data->num_of_pg--;
1459 }
1460
1461 return 0;
1462 }
1463
bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(struct bnx2x * bp,struct pg_help_data * pg_help_data,struct dcbx_ets_feature * ets,struct cos_help_data * cos_data,u32 * pg_pri_orginal_spread,u32 pri_join_mask,u8 num_of_dif_pri)1464 static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(
1465 struct bnx2x *bp,
1466 struct pg_help_data *pg_help_data,
1467 struct dcbx_ets_feature *ets,
1468 struct cos_help_data *cos_data,
1469 u32 *pg_pri_orginal_spread,
1470 u32 pri_join_mask,
1471 u8 num_of_dif_pri)
1472 {
1473 u8 i = 0;
1474 u32 pri_tested = 0;
1475 u8 entry = 0;
1476 u8 pg_entry = 0;
1477 bool b_found_strict = false;
1478 u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX;
1479
1480 cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0;
1481 /* If there are both pauseable and non-pauseable priorities,
1482 * the pauseable priorities go to the first queue and the
1483 * non-pauseable priorities go to the second queue.
1484 */
1485 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask))
1486 bnx2x_dcbx_separate_pauseable_from_non(bp,
1487 cos_data, pg_pri_orginal_spread, ets);
1488 else {
1489 /* If two BW-limited PG-s were combined to one queue,
1490 * the BW is their sum.
1491 *
1492 * If there are only pauseable priorities or only non-pauseable,
1493 * and there are both BW-limited and non-BW-limited PG-s,
1494 * the BW-limited PG/s go to one queue and the non-BW-limited
1495 * PG/s go to the second queue.
1496 *
1497 * If there are only pauseable priorities or only non-pauseable
1498 * and all are BW limited, then two priorities go to the first
1499 * queue and one priority goes to the second queue.
1500 *
1501 * We will join this two cases:
1502 * if one is BW limited it will go to the second queue
1503 * otherwise the last priority will get it
1504 */
1505
1506 cos_data->data[0].pausable = cos_data->data[1].pausable =
1507 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1508
1509 for (i = 0 ; i < num_of_pri; i++) {
1510 pri_tested = 1 << bp->dcbx_port_params.
1511 app.traffic_type_priority[i];
1512 pg_entry = (u8)pg_pri_orginal_spread[bp->
1513 dcbx_port_params.app.traffic_type_priority[i]];
1514
1515 if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) {
1516 entry = 0;
1517
1518 if (i == (num_of_pri-1) &&
1519 false == b_found_strict)
1520 /* last entry will be handled separately
1521 * If no priority is strict than last
1522 * entry goes to last queue.
1523 */
1524 entry = 1;
1525 cos_data->data[entry].pri_join_mask |=
1526 pri_tested;
1527 bnx2x_dcbx_add_to_cos_bw(bp,
1528 &cos_data->data[entry],
1529 DCBX_PG_BW_GET(ets->pg_bw_tbl,
1530 pg_entry));
1531 } else {
1532 b_found_strict = true;
1533 cos_data->data[1].pri_join_mask |= pri_tested;
1534 /* If we join a group and one is strict
1535 * than the bw rules
1536 */
1537 cos_data->data[1].strict =
1538 BNX2X_DCBX_STRICT_COS_HIGHEST;
1539 }
1540 }
1541 }
1542 }
1543
bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x * bp,struct pg_help_data * help_data,struct dcbx_ets_feature * ets,struct cos_help_data * cos_data,u32 * pg_pri_orginal_spread,u32 pri_join_mask,u8 num_of_dif_pri)1544 static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp,
1545 struct pg_help_data *help_data,
1546 struct dcbx_ets_feature *ets,
1547 struct cos_help_data *cos_data,
1548 u32 *pg_pri_orginal_spread,
1549 u32 pri_join_mask,
1550 u8 num_of_dif_pri)
1551 {
1552 /* default E2 settings */
1553 cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2;
1554
1555 switch (help_data->num_of_pg) {
1556 case 1:
1557 bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(
1558 bp,
1559 help_data,
1560 cos_data,
1561 pri_join_mask,
1562 num_of_dif_pri);
1563 break;
1564 case 2:
1565 bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params(
1566 bp,
1567 help_data,
1568 ets,
1569 cos_data,
1570 pg_pri_orginal_spread,
1571 pri_join_mask,
1572 num_of_dif_pri);
1573 break;
1574
1575 case 3:
1576 bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(
1577 bp,
1578 help_data,
1579 ets,
1580 cos_data,
1581 pg_pri_orginal_spread,
1582 pri_join_mask,
1583 num_of_dif_pri);
1584 break;
1585 default:
1586 BNX2X_ERR("Wrong pg_help_data.num_of_pg\n");
1587 bnx2x_dcbx_ets_disabled_entry_data(bp,
1588 cos_data, pri_join_mask);
1589 }
1590 }
1591
bnx2x_dcbx_spread_strict_pri(struct bnx2x * bp,struct cos_help_data * cos_data,u8 entry,u8 num_spread_of_entries,u8 strict_app_pris)1592 static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp,
1593 struct cos_help_data *cos_data,
1594 u8 entry,
1595 u8 num_spread_of_entries,
1596 u8 strict_app_pris)
1597 {
1598 u8 strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST;
1599 u8 num_of_app_pri = MAX_PFC_PRIORITIES;
1600 u8 app_pri_bit = 0;
1601
1602 while (num_spread_of_entries && num_of_app_pri > 0) {
1603 app_pri_bit = 1 << (num_of_app_pri - 1);
1604 if (app_pri_bit & strict_app_pris) {
1605 struct cos_entry_help_data *data = &cos_data->
1606 data[entry];
1607 num_spread_of_entries--;
1608 if (num_spread_of_entries == 0) {
1609 /* last entry needed put all the entries left */
1610 data->cos_bw = DCBX_INVALID_COS_BW;
1611 data->strict = strict_pri;
1612 data->pri_join_mask = strict_app_pris;
1613 data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
1614 data->pri_join_mask);
1615 } else {
1616 strict_app_pris &= ~app_pri_bit;
1617
1618 data->cos_bw = DCBX_INVALID_COS_BW;
1619 data->strict = strict_pri;
1620 data->pri_join_mask = app_pri_bit;
1621 data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
1622 data->pri_join_mask);
1623 }
1624
1625 strict_pri =
1626 BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri);
1627 entry++;
1628 }
1629
1630 num_of_app_pri--;
1631 }
1632
1633 if (num_spread_of_entries) {
1634 BNX2X_ERR("Didn't succeed to spread strict priorities\n");
1635 return -EINVAL;
1636 }
1637
1638 return 0;
1639 }
1640
bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x * bp,struct cos_help_data * cos_data,u8 entry,u8 num_spread_of_entries,u8 strict_app_pris)1641 static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp,
1642 struct cos_help_data *cos_data,
1643 u8 entry,
1644 u8 num_spread_of_entries,
1645 u8 strict_app_pris)
1646 {
1647 if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry,
1648 num_spread_of_entries,
1649 strict_app_pris)) {
1650 struct cos_entry_help_data *data = &cos_data->
1651 data[entry];
1652 /* Fill BW entry */
1653 data->cos_bw = DCBX_INVALID_COS_BW;
1654 data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST;
1655 data->pri_join_mask = strict_app_pris;
1656 data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
1657 data->pri_join_mask);
1658 return 1;
1659 }
1660
1661 return num_spread_of_entries;
1662 }
1663
bnx2x_dcbx_cee_fill_cos_params(struct bnx2x * bp,struct pg_help_data * help_data,struct dcbx_ets_feature * ets,struct cos_help_data * cos_data,u32 pri_join_mask)1664 static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp,
1665 struct pg_help_data *help_data,
1666 struct dcbx_ets_feature *ets,
1667 struct cos_help_data *cos_data,
1668 u32 pri_join_mask)
1669
1670 {
1671 u8 need_num_of_entries = 0;
1672 u8 i = 0;
1673 u8 entry = 0;
1674
1675 /*
1676 * if the number of requested PG-s in CEE is greater than 3
1677 * then the results are not determined since this is a violation
1678 * of the standard.
1679 */
1680 if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) {
1681 if (bnx2x_dcbx_join_pgs(bp, ets, help_data,
1682 DCBX_COS_MAX_NUM_E3B0)) {
1683 BNX2X_ERR("Unable to reduce the number of PGs - we will disables ETS\n");
1684 bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data,
1685 pri_join_mask);
1686 return;
1687 }
1688 }
1689
1690 for (i = 0 ; i < help_data->num_of_pg; i++) {
1691 struct pg_entry_help_data *pg = &help_data->data[i];
1692 if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) {
1693 struct cos_entry_help_data *data = &cos_data->
1694 data[entry];
1695 /* Fill BW entry */
1696 data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg);
1697 data->strict = BNX2X_DCBX_STRICT_INVALID;
1698 data->pri_join_mask = pg->pg_priority;
1699 data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
1700 data->pri_join_mask);
1701
1702 entry++;
1703 } else {
1704 need_num_of_entries = min_t(u8,
1705 (u8)pg->num_of_dif_pri,
1706 (u8)DCBX_COS_MAX_NUM_E3B0 -
1707 help_data->num_of_pg + 1);
1708 /*
1709 * If there are still VOQ-s which have no associated PG,
1710 * then associate these VOQ-s to PG15. These PG-s will
1711 * be used for SP between priorities on PG15.
1712 */
1713 entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data,
1714 entry, need_num_of_entries, pg->pg_priority);
1715 }
1716 }
1717
1718 /* the entry will represent the number of COSes used */
1719 cos_data->num_of_cos = entry;
1720 }
bnx2x_dcbx_fill_cos_params(struct bnx2x * bp,struct pg_help_data * help_data,struct dcbx_ets_feature * ets,u32 * pg_pri_orginal_spread)1721 static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp,
1722 struct pg_help_data *help_data,
1723 struct dcbx_ets_feature *ets,
1724 u32 *pg_pri_orginal_spread)
1725 {
1726 struct cos_help_data cos_data;
1727 u8 i = 0;
1728 u32 pri_join_mask = 0;
1729 u8 num_of_dif_pri = 0;
1730
1731 memset(&cos_data, 0, sizeof(cos_data));
1732
1733 /* Validate the pg value */
1734 for (i = 0; i < help_data->num_of_pg ; i++) {
1735 if (DCBX_STRICT_PRIORITY != help_data->data[i].pg &&
1736 DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg)
1737 BNX2X_ERR("Invalid pg[%d] data %x\n", i,
1738 help_data->data[i].pg);
1739 pri_join_mask |= help_data->data[i].pg_priority;
1740 num_of_dif_pri += help_data->data[i].num_of_dif_pri;
1741 }
1742
1743 /* defaults */
1744 cos_data.num_of_cos = 1;
1745 for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) {
1746 cos_data.data[i].pri_join_mask = 0;
1747 cos_data.data[i].pausable = false;
1748 cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID;
1749 cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW;
1750 }
1751
1752 if (CHIP_IS_E3B0(bp))
1753 bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets,
1754 &cos_data, pri_join_mask);
1755 else /* E2 + E3A0 */
1756 bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp,
1757 help_data, ets,
1758 &cos_data,
1759 pg_pri_orginal_spread,
1760 pri_join_mask,
1761 num_of_dif_pri);
1762
1763 for (i = 0; i < cos_data.num_of_cos ; i++) {
1764 struct bnx2x_dcbx_cos_params *p =
1765 &bp->dcbx_port_params.ets.cos_params[i];
1766
1767 p->strict = cos_data.data[i].strict;
1768 p->bw_tbl = cos_data.data[i].cos_bw;
1769 p->pri_bitmask = cos_data.data[i].pri_join_mask;
1770 p->pauseable = cos_data.data[i].pausable;
1771
1772 /* sanity */
1773 if (p->bw_tbl != DCBX_INVALID_COS_BW ||
1774 p->strict != BNX2X_DCBX_STRICT_INVALID) {
1775 if (p->pri_bitmask == 0)
1776 BNX2X_ERR("Invalid pri_bitmask for %d\n", i);
1777
1778 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) {
1779
1780 if (p->pauseable &&
1781 DCBX_PFC_PRI_GET_NON_PAUSE(bp,
1782 p->pri_bitmask) != 0)
1783 BNX2X_ERR("Inconsistent config for pausable COS %d\n",
1784 i);
1785
1786 if (!p->pauseable &&
1787 DCBX_PFC_PRI_GET_PAUSE(bp,
1788 p->pri_bitmask) != 0)
1789 BNX2X_ERR("Inconsistent config for nonpausable COS %d\n",
1790 i);
1791 }
1792 }
1793
1794 if (p->pauseable)
1795 DP(BNX2X_MSG_DCB, "COS %d PAUSABLE prijoinmask 0x%x\n",
1796 i, cos_data.data[i].pri_join_mask);
1797 else
1798 DP(BNX2X_MSG_DCB,
1799 "COS %d NONPAUSABLE prijoinmask 0x%x\n",
1800 i, cos_data.data[i].pri_join_mask);
1801 }
1802
1803 bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ;
1804 }
1805
bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x * bp,u32 * set_configuration_ets_pg,u32 * pri_pg_tbl)1806 static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
1807 u32 *set_configuration_ets_pg,
1808 u32 *pri_pg_tbl)
1809 {
1810 int i;
1811
1812 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) {
1813 set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i);
1814
1815 DP(BNX2X_MSG_DCB, "set_configuration_ets_pg[%d] = 0x%x\n",
1816 i, set_configuration_ets_pg[i]);
1817 }
1818 }
1819
bnx2x_dcbx_fw_struct(struct bnx2x * bp,struct bnx2x_func_tx_start_params * pfc_fw_cfg)1820 static void bnx2x_dcbx_fw_struct(struct bnx2x *bp,
1821 struct bnx2x_func_tx_start_params *pfc_fw_cfg)
1822 {
1823 u16 pri_bit = 0;
1824 u8 cos = 0, pri = 0;
1825 struct priority_cos *tt2cos;
1826 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
1827 int mfw_configured = SHMEM2_HAS(bp, drv_flags) &&
1828 GET_FLAGS(SHMEM2_RD(bp, drv_flags),
1829 1 << DRV_FLAGS_DCB_MFW_CONFIGURED);
1830
1831 memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg));
1832
1833 /* to disable DCB - the structure must be zeroed */
1834 if ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured)
1835 return;
1836
1837 /*shortcut*/
1838 tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos;
1839
1840 /* Fw version should be incremented each update */
1841 pfc_fw_cfg->dcb_version = ++bp->dcb_version;
1842 pfc_fw_cfg->dcb_enabled = 1;
1843
1844 /* Fill priority parameters */
1845 for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) {
1846 tt2cos[pri].priority = ttp[pri];
1847 pri_bit = 1 << tt2cos[pri].priority;
1848
1849 /* Fill COS parameters based on COS calculated to
1850 * make it more general for future use */
1851 for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++)
1852 if (bp->dcbx_port_params.ets.cos_params[cos].
1853 pri_bitmask & pri_bit)
1854 tt2cos[pri].cos = cos;
1855
1856 pfc_fw_cfg->dcb_outer_pri[pri] = ttp[pri];
1857 }
1858
1859 /* we never want the FW to add a 0 vlan tag */
1860 pfc_fw_cfg->dont_add_pri_0_en = 1;
1861
1862 bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg);
1863 }
1864
bnx2x_dcbx_pmf_update(struct bnx2x * bp)1865 void bnx2x_dcbx_pmf_update(struct bnx2x *bp)
1866 {
1867 /* if we need to synchronize DCBX result from prev PMF
1868 * read it from shmem and update bp and netdev accordingly
1869 */
1870 if (SHMEM2_HAS(bp, drv_flags) &&
1871 GET_FLAGS(SHMEM2_RD(bp, drv_flags), 1 << DRV_FLAGS_DCB_CONFIGURED)) {
1872 /* Read neg results if dcbx is in the FW */
1873 if (bnx2x_dcbx_read_shmem_neg_results(bp))
1874 return;
1875
1876 bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat,
1877 bp->dcbx_error);
1878 bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat,
1879 bp->dcbx_error);
1880 #ifdef BCM_DCBNL
1881 /*
1882 * Add new app tlvs to dcbnl
1883 */
1884 bnx2x_dcbnl_update_applist(bp, false);
1885 /*
1886 * Send a notification for the new negotiated parameters
1887 */
1888 dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0);
1889 #endif
1890 /*
1891 * reconfigure the netdevice with the results of the new
1892 * dcbx negotiation.
1893 */
1894 bnx2x_dcbx_update_tc_mapping(bp);
1895 }
1896 }
1897
1898 /* DCB netlink */
1899 #ifdef BCM_DCBNL
1900
1901 #define BNX2X_DCBX_CAPS (DCB_CAP_DCBX_LLD_MANAGED | \
1902 DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC)
1903
bnx2x_dcbnl_set_valid(struct bnx2x * bp)1904 static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp)
1905 {
1906 /* validate dcbnl call that may change HW state:
1907 * DCB is on and DCBX mode was SUCCESSFULLY set by the user.
1908 */
1909 return bp->dcb_state && bp->dcbx_mode_uset;
1910 }
1911
bnx2x_dcbnl_get_state(struct net_device * netdev)1912 static u8 bnx2x_dcbnl_get_state(struct net_device *netdev)
1913 {
1914 struct bnx2x *bp = netdev_priv(netdev);
1915 DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcb_state);
1916 return bp->dcb_state;
1917 }
1918
bnx2x_dcbnl_set_state(struct net_device * netdev,u8 state)1919 static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state)
1920 {
1921 struct bnx2x *bp = netdev_priv(netdev);
1922 DP(BNX2X_MSG_DCB, "state = %s\n", state ? "on" : "off");
1923
1924 /* Fail to set state to "enabled" if dcbx is disabled in nvram */
1925 if (state && ((bp->dcbx_enabled == BNX2X_DCBX_ENABLED_OFF) ||
1926 (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_INVALID))) {
1927 DP(BNX2X_MSG_DCB, "Can not set dcbx to enabled while it is disabled in nvm\n");
1928 return 1;
1929 }
1930
1931 bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled);
1932 return 0;
1933 }
1934
bnx2x_dcbnl_get_perm_hw_addr(struct net_device * netdev,u8 * perm_addr)1935 static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev,
1936 u8 *perm_addr)
1937 {
1938 struct bnx2x *bp = netdev_priv(netdev);
1939 DP(BNX2X_MSG_DCB, "GET-PERM-ADDR\n");
1940
1941 /* first the HW mac address */
1942 memcpy(perm_addr, netdev->dev_addr, netdev->addr_len);
1943
1944 if (CNIC_LOADED(bp))
1945 /* second SAN address */
1946 memcpy(perm_addr+netdev->addr_len, bp->fip_mac,
1947 netdev->addr_len);
1948 }
1949
bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device * netdev,int prio,u8 prio_type,u8 pgid,u8 bw_pct,u8 up_map)1950 static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio,
1951 u8 prio_type, u8 pgid, u8 bw_pct,
1952 u8 up_map)
1953 {
1954 struct bnx2x *bp = netdev_priv(netdev);
1955
1956 DP(BNX2X_MSG_DCB, "prio[%d] = %d\n", prio, pgid);
1957 if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES)
1958 return;
1959
1960 /**
1961 * bw_pct ignored - band-width percentage devision between user
1962 * priorities within the same group is not
1963 * standard and hence not supported
1964 *
1965 * prio_type ignored - priority levels within the same group are not
1966 * standard and hence are not supported. According
1967 * to the standard pgid 15 is dedicated to strict
1968 * priority traffic (on the port level).
1969 *
1970 * up_map ignored
1971 */
1972
1973 bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid;
1974 bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
1975 }
1976
bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device * netdev,int pgid,u8 bw_pct)1977 static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev,
1978 int pgid, u8 bw_pct)
1979 {
1980 struct bnx2x *bp = netdev_priv(netdev);
1981 DP(BNX2X_MSG_DCB, "pgid[%d] = %d\n", pgid, bw_pct);
1982
1983 if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES)
1984 return;
1985
1986 bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct;
1987 bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
1988 }
1989
bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device * netdev,int prio,u8 prio_type,u8 pgid,u8 bw_pct,u8 up_map)1990 static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio,
1991 u8 prio_type, u8 pgid, u8 bw_pct,
1992 u8 up_map)
1993 {
1994 struct bnx2x *bp = netdev_priv(netdev);
1995 DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n");
1996 }
1997
bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device * netdev,int pgid,u8 bw_pct)1998 static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev,
1999 int pgid, u8 bw_pct)
2000 {
2001 struct bnx2x *bp = netdev_priv(netdev);
2002 DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n");
2003 }
2004
bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device * netdev,int prio,u8 * prio_type,u8 * pgid,u8 * bw_pct,u8 * up_map)2005 static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio,
2006 u8 *prio_type, u8 *pgid, u8 *bw_pct,
2007 u8 *up_map)
2008 {
2009 struct bnx2x *bp = netdev_priv(netdev);
2010 DP(BNX2X_MSG_DCB, "prio = %d\n", prio);
2011
2012 /**
2013 * bw_pct ignored - band-width percentage devision between user
2014 * priorities within the same group is not
2015 * standard and hence not supported
2016 *
2017 * prio_type ignored - priority levels within the same group are not
2018 * standard and hence are not supported. According
2019 * to the standard pgid 15 is dedicated to strict
2020 * priority traffic (on the port level).
2021 *
2022 * up_map ignored
2023 */
2024 *up_map = *bw_pct = *prio_type = *pgid = 0;
2025
2026 if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES)
2027 return;
2028
2029 *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio);
2030 }
2031
bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device * netdev,int pgid,u8 * bw_pct)2032 static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev,
2033 int pgid, u8 *bw_pct)
2034 {
2035 struct bnx2x *bp = netdev_priv(netdev);
2036 DP(BNX2X_MSG_DCB, "pgid = %d\n", pgid);
2037
2038 *bw_pct = 0;
2039
2040 if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES)
2041 return;
2042
2043 *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid);
2044 }
2045
bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device * netdev,int prio,u8 * prio_type,u8 * pgid,u8 * bw_pct,u8 * up_map)2046 static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio,
2047 u8 *prio_type, u8 *pgid, u8 *bw_pct,
2048 u8 *up_map)
2049 {
2050 struct bnx2x *bp = netdev_priv(netdev);
2051 DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n");
2052
2053 *prio_type = *pgid = *bw_pct = *up_map = 0;
2054 }
2055
bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device * netdev,int pgid,u8 * bw_pct)2056 static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev,
2057 int pgid, u8 *bw_pct)
2058 {
2059 struct bnx2x *bp = netdev_priv(netdev);
2060 DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n");
2061
2062 *bw_pct = 0;
2063 }
2064
bnx2x_dcbnl_set_pfc_cfg(struct net_device * netdev,int prio,u8 setting)2065 static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio,
2066 u8 setting)
2067 {
2068 struct bnx2x *bp = netdev_priv(netdev);
2069 DP(BNX2X_MSG_DCB, "prio[%d] = %d\n", prio, setting);
2070
2071 if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES)
2072 return;
2073
2074 if (setting) {
2075 bp->dcbx_config_params.admin_pfc_bitmap |= (1 << prio);
2076 bp->dcbx_config_params.admin_pfc_tx_enable = 1;
2077 } else {
2078 bp->dcbx_config_params.admin_pfc_bitmap &= ~(1 << prio);
2079 }
2080 }
2081
bnx2x_dcbnl_get_pfc_cfg(struct net_device * netdev,int prio,u8 * setting)2082 static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio,
2083 u8 *setting)
2084 {
2085 struct bnx2x *bp = netdev_priv(netdev);
2086 DP(BNX2X_MSG_DCB, "prio = %d\n", prio);
2087
2088 *setting = 0;
2089
2090 if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES)
2091 return;
2092
2093 *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1;
2094 }
2095
bnx2x_dcbnl_set_all(struct net_device * netdev)2096 static u8 bnx2x_dcbnl_set_all(struct net_device *netdev)
2097 {
2098 struct bnx2x *bp = netdev_priv(netdev);
2099
2100 DP(BNX2X_MSG_DCB, "SET-ALL\n");
2101
2102 if (!bnx2x_dcbnl_set_valid(bp))
2103 return 1;
2104
2105 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2106 netdev_err(bp->dev,
2107 "Handling parity error recovery. Try again later\n");
2108 return 1;
2109 }
2110 if (netif_running(bp->dev)) {
2111 bnx2x_update_drv_flags(bp,
2112 1 << DRV_FLAGS_DCB_MFW_CONFIGURED,
2113 1);
2114 bnx2x_dcbx_init(bp, true);
2115 }
2116 DP(BNX2X_MSG_DCB, "set_dcbx_params done\n");
2117
2118 return 0;
2119 }
2120
bnx2x_dcbnl_get_cap(struct net_device * netdev,int capid,u8 * cap)2121 static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap)
2122 {
2123 struct bnx2x *bp = netdev_priv(netdev);
2124 u8 rval = 0;
2125
2126 if (bp->dcb_state) {
2127 switch (capid) {
2128 case DCB_CAP_ATTR_PG:
2129 *cap = true;
2130 break;
2131 case DCB_CAP_ATTR_PFC:
2132 *cap = true;
2133 break;
2134 case DCB_CAP_ATTR_UP2TC:
2135 *cap = false;
2136 break;
2137 case DCB_CAP_ATTR_PG_TCS:
2138 *cap = 0x80; /* 8 priorities for PGs */
2139 break;
2140 case DCB_CAP_ATTR_PFC_TCS:
2141 *cap = 0x80; /* 8 priorities for PFC */
2142 break;
2143 case DCB_CAP_ATTR_GSP:
2144 *cap = true;
2145 break;
2146 case DCB_CAP_ATTR_BCN:
2147 *cap = false;
2148 break;
2149 case DCB_CAP_ATTR_DCBX:
2150 *cap = BNX2X_DCBX_CAPS;
2151 break;
2152 default:
2153 BNX2X_ERR("Non valid capability ID\n");
2154 rval = 1;
2155 break;
2156 }
2157 } else {
2158 DP(BNX2X_MSG_DCB, "DCB disabled\n");
2159 rval = 1;
2160 }
2161
2162 DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap);
2163 return rval;
2164 }
2165
bnx2x_dcbnl_get_numtcs(struct net_device * netdev,int tcid,u8 * num)2166 static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num)
2167 {
2168 struct bnx2x *bp = netdev_priv(netdev);
2169 u8 rval = 0;
2170
2171 DP(BNX2X_MSG_DCB, "tcid %d\n", tcid);
2172
2173 if (bp->dcb_state) {
2174 switch (tcid) {
2175 case DCB_NUMTCS_ATTR_PG:
2176 *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 :
2177 DCBX_COS_MAX_NUM_E2;
2178 break;
2179 case DCB_NUMTCS_ATTR_PFC:
2180 *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 :
2181 DCBX_COS_MAX_NUM_E2;
2182 break;
2183 default:
2184 BNX2X_ERR("Non valid TC-ID\n");
2185 rval = 1;
2186 break;
2187 }
2188 } else {
2189 DP(BNX2X_MSG_DCB, "DCB disabled\n");
2190 rval = 1;
2191 }
2192
2193 return rval;
2194 }
2195
bnx2x_dcbnl_set_numtcs(struct net_device * netdev,int tcid,u8 num)2196 static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num)
2197 {
2198 struct bnx2x *bp = netdev_priv(netdev);
2199 DP(BNX2X_MSG_DCB, "num tcs = %d; Not supported\n", num);
2200 return -EINVAL;
2201 }
2202
bnx2x_dcbnl_get_pfc_state(struct net_device * netdev)2203 static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev)
2204 {
2205 struct bnx2x *bp = netdev_priv(netdev);
2206 DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled);
2207
2208 if (!bp->dcb_state)
2209 return 0;
2210
2211 return bp->dcbx_local_feat.pfc.enabled;
2212 }
2213
bnx2x_dcbnl_set_pfc_state(struct net_device * netdev,u8 state)2214 static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state)
2215 {
2216 struct bnx2x *bp = netdev_priv(netdev);
2217 DP(BNX2X_MSG_DCB, "state = %s\n", state ? "on" : "off");
2218
2219 if (!bnx2x_dcbnl_set_valid(bp))
2220 return;
2221
2222 bp->dcbx_config_params.admin_pfc_tx_enable =
2223 bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0);
2224 }
2225
bnx2x_admin_app_set_ent(struct bnx2x_admin_priority_app_table * app_ent,u8 idtype,u16 idval,u8 up)2226 static void bnx2x_admin_app_set_ent(
2227 struct bnx2x_admin_priority_app_table *app_ent,
2228 u8 idtype, u16 idval, u8 up)
2229 {
2230 app_ent->valid = 1;
2231
2232 switch (idtype) {
2233 case DCB_APP_IDTYPE_ETHTYPE:
2234 app_ent->traffic_type = TRAFFIC_TYPE_ETH;
2235 break;
2236 case DCB_APP_IDTYPE_PORTNUM:
2237 app_ent->traffic_type = TRAFFIC_TYPE_PORT;
2238 break;
2239 default:
2240 break; /* never gets here */
2241 }
2242 app_ent->app_id = idval;
2243 app_ent->priority = up;
2244 }
2245
bnx2x_admin_app_is_equal(struct bnx2x_admin_priority_app_table * app_ent,u8 idtype,u16 idval)2246 static bool bnx2x_admin_app_is_equal(
2247 struct bnx2x_admin_priority_app_table *app_ent,
2248 u8 idtype, u16 idval)
2249 {
2250 if (!app_ent->valid)
2251 return false;
2252
2253 switch (idtype) {
2254 case DCB_APP_IDTYPE_ETHTYPE:
2255 if (app_ent->traffic_type != TRAFFIC_TYPE_ETH)
2256 return false;
2257 break;
2258 case DCB_APP_IDTYPE_PORTNUM:
2259 if (app_ent->traffic_type != TRAFFIC_TYPE_PORT)
2260 return false;
2261 break;
2262 default:
2263 return false;
2264 }
2265 if (app_ent->app_id != idval)
2266 return false;
2267
2268 return true;
2269 }
2270
bnx2x_set_admin_app_up(struct bnx2x * bp,u8 idtype,u16 idval,u8 up)2271 static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up)
2272 {
2273 int i, ff;
2274
2275 /* iterate over the app entries looking for idtype and idval */
2276 for (i = 0, ff = -1; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) {
2277 struct bnx2x_admin_priority_app_table *app_ent =
2278 &bp->dcbx_config_params.admin_priority_app_table[i];
2279 if (bnx2x_admin_app_is_equal(app_ent, idtype, idval))
2280 break;
2281
2282 if (ff < 0 && !app_ent->valid)
2283 ff = i;
2284 }
2285 if (i < DCBX_CONFIG_MAX_APP_PROTOCOL)
2286 /* if found overwrite up */
2287 bp->dcbx_config_params.
2288 admin_priority_app_table[i].priority = up;
2289 else if (ff >= 0)
2290 /* not found use first-free */
2291 bnx2x_admin_app_set_ent(
2292 &bp->dcbx_config_params.admin_priority_app_table[ff],
2293 idtype, idval, up);
2294 else {
2295 /* app table is full */
2296 BNX2X_ERR("Application table is too large\n");
2297 return -EBUSY;
2298 }
2299
2300 /* up configured, if not 0 make sure feature is enabled */
2301 if (up)
2302 bp->dcbx_config_params.admin_application_priority_tx_enable = 1;
2303
2304 return 0;
2305 }
2306
bnx2x_dcbnl_set_app_up(struct net_device * netdev,u8 idtype,u16 idval,u8 up)2307 static int bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype,
2308 u16 idval, u8 up)
2309 {
2310 struct bnx2x *bp = netdev_priv(netdev);
2311
2312 DP(BNX2X_MSG_DCB, "app_type %d, app_id %x, prio bitmap %d\n",
2313 idtype, idval, up);
2314
2315 if (!bnx2x_dcbnl_set_valid(bp)) {
2316 DP(BNX2X_MSG_DCB, "dcbnl call not valid\n");
2317 return -EINVAL;
2318 }
2319
2320 /* verify idtype */
2321 switch (idtype) {
2322 case DCB_APP_IDTYPE_ETHTYPE:
2323 case DCB_APP_IDTYPE_PORTNUM:
2324 break;
2325 default:
2326 DP(BNX2X_MSG_DCB, "Wrong ID type\n");
2327 return -EINVAL;
2328 }
2329 return bnx2x_set_admin_app_up(bp, idtype, idval, up);
2330 }
2331
bnx2x_dcbnl_get_dcbx(struct net_device * netdev)2332 static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev)
2333 {
2334 struct bnx2x *bp = netdev_priv(netdev);
2335 u8 state;
2336
2337 state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE;
2338
2339 if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF)
2340 state |= DCB_CAP_DCBX_STATIC;
2341
2342 return state;
2343 }
2344
bnx2x_dcbnl_set_dcbx(struct net_device * netdev,u8 state)2345 static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state)
2346 {
2347 struct bnx2x *bp = netdev_priv(netdev);
2348 DP(BNX2X_MSG_DCB, "state = %02x\n", state);
2349
2350 /* set dcbx mode */
2351
2352 if ((state & BNX2X_DCBX_CAPS) != state) {
2353 BNX2X_ERR("Requested DCBX mode %x is beyond advertised capabilities\n",
2354 state);
2355 return 1;
2356 }
2357
2358 if (bp->dcb_state != BNX2X_DCB_STATE_ON) {
2359 BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n");
2360 return 1;
2361 }
2362
2363 if (state & DCB_CAP_DCBX_STATIC)
2364 bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF;
2365 else
2366 bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON;
2367
2368 bp->dcbx_mode_uset = true;
2369 return 0;
2370 }
2371
bnx2x_dcbnl_get_featcfg(struct net_device * netdev,int featid,u8 * flags)2372 static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,
2373 u8 *flags)
2374 {
2375 struct bnx2x *bp = netdev_priv(netdev);
2376 u8 rval = 0;
2377
2378 DP(BNX2X_MSG_DCB, "featid %d\n", featid);
2379
2380 if (bp->dcb_state) {
2381 *flags = 0;
2382 switch (featid) {
2383 case DCB_FEATCFG_ATTR_PG:
2384 if (bp->dcbx_local_feat.ets.enabled)
2385 *flags |= DCB_FEATCFG_ENABLE;
2386 if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR |
2387 DCBX_REMOTE_MIB_ERROR))
2388 *flags |= DCB_FEATCFG_ERROR;
2389 break;
2390 case DCB_FEATCFG_ATTR_PFC:
2391 if (bp->dcbx_local_feat.pfc.enabled)
2392 *flags |= DCB_FEATCFG_ENABLE;
2393 if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR |
2394 DCBX_LOCAL_PFC_MISMATCH |
2395 DCBX_REMOTE_MIB_ERROR))
2396 *flags |= DCB_FEATCFG_ERROR;
2397 break;
2398 case DCB_FEATCFG_ATTR_APP:
2399 if (bp->dcbx_local_feat.app.enabled)
2400 *flags |= DCB_FEATCFG_ENABLE;
2401 if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR |
2402 DCBX_LOCAL_APP_MISMATCH |
2403 DCBX_REMOTE_MIB_ERROR))
2404 *flags |= DCB_FEATCFG_ERROR;
2405 break;
2406 default:
2407 BNX2X_ERR("Non valid feature-ID\n");
2408 rval = 1;
2409 break;
2410 }
2411 } else {
2412 DP(BNX2X_MSG_DCB, "DCB disabled\n");
2413 rval = 1;
2414 }
2415
2416 return rval;
2417 }
2418
bnx2x_dcbnl_set_featcfg(struct net_device * netdev,int featid,u8 flags)2419 static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid,
2420 u8 flags)
2421 {
2422 struct bnx2x *bp = netdev_priv(netdev);
2423 u8 rval = 0;
2424
2425 DP(BNX2X_MSG_DCB, "featid = %d flags = %02x\n", featid, flags);
2426
2427 /* ignore the 'advertise' flag */
2428 if (bnx2x_dcbnl_set_valid(bp)) {
2429 switch (featid) {
2430 case DCB_FEATCFG_ATTR_PG:
2431 bp->dcbx_config_params.admin_ets_enable =
2432 flags & DCB_FEATCFG_ENABLE ? 1 : 0;
2433 bp->dcbx_config_params.admin_ets_willing =
2434 flags & DCB_FEATCFG_WILLING ? 1 : 0;
2435 break;
2436 case DCB_FEATCFG_ATTR_PFC:
2437 bp->dcbx_config_params.admin_pfc_enable =
2438 flags & DCB_FEATCFG_ENABLE ? 1 : 0;
2439 bp->dcbx_config_params.admin_pfc_willing =
2440 flags & DCB_FEATCFG_WILLING ? 1 : 0;
2441 break;
2442 case DCB_FEATCFG_ATTR_APP:
2443 /* ignore enable, always enabled */
2444 bp->dcbx_config_params.admin_app_priority_willing =
2445 flags & DCB_FEATCFG_WILLING ? 1 : 0;
2446 break;
2447 default:
2448 BNX2X_ERR("Non valid feature-ID\n");
2449 rval = 1;
2450 break;
2451 }
2452 } else {
2453 DP(BNX2X_MSG_DCB, "dcbnl call not valid\n");
2454 rval = 1;
2455 }
2456
2457 return rval;
2458 }
2459
bnx2x_peer_appinfo(struct net_device * netdev,struct dcb_peer_app_info * info,u16 * app_count)2460 static int bnx2x_peer_appinfo(struct net_device *netdev,
2461 struct dcb_peer_app_info *info, u16* app_count)
2462 {
2463 int i;
2464 struct bnx2x *bp = netdev_priv(netdev);
2465
2466 DP(BNX2X_MSG_DCB, "APP-INFO\n");
2467
2468 info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0;
2469 info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0;
2470 *app_count = 0;
2471
2472 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++)
2473 if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield &
2474 DCBX_APP_ENTRY_VALID)
2475 (*app_count)++;
2476 return 0;
2477 }
2478
bnx2x_peer_apptable(struct net_device * netdev,struct dcb_app * table)2479 static int bnx2x_peer_apptable(struct net_device *netdev,
2480 struct dcb_app *table)
2481 {
2482 int i, j;
2483 struct bnx2x *bp = netdev_priv(netdev);
2484
2485 DP(BNX2X_MSG_DCB, "APP-TABLE\n");
2486
2487 for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
2488 struct dcbx_app_priority_entry *ent =
2489 &bp->dcbx_remote_feat.app.app_pri_tbl[i];
2490
2491 if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
2492 table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
2493 table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent);
2494 table[j++].protocol = ent->app_id;
2495 }
2496 }
2497 return 0;
2498 }
2499
bnx2x_cee_peer_getpg(struct net_device * netdev,struct cee_pg * pg)2500 static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg)
2501 {
2502 int i;
2503 struct bnx2x *bp = netdev_priv(netdev);
2504
2505 pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0;
2506
2507 for (i = 0; i < CEE_DCBX_MAX_PGS; i++) {
2508 pg->pg_bw[i] =
2509 DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i);
2510 pg->prio_pg[i] =
2511 DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i);
2512 }
2513 return 0;
2514 }
2515
bnx2x_cee_peer_getpfc(struct net_device * netdev,struct cee_pfc * pfc)2516 static int bnx2x_cee_peer_getpfc(struct net_device *netdev,
2517 struct cee_pfc *pfc)
2518 {
2519 struct bnx2x *bp = netdev_priv(netdev);
2520 pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps;
2521 pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap;
2522 return 0;
2523 }
2524
2525 const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = {
2526 .getstate = bnx2x_dcbnl_get_state,
2527 .setstate = bnx2x_dcbnl_set_state,
2528 .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr,
2529 .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx,
2530 .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx,
2531 .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx,
2532 .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx,
2533 .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx,
2534 .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx,
2535 .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx,
2536 .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx,
2537 .setpfccfg = bnx2x_dcbnl_set_pfc_cfg,
2538 .getpfccfg = bnx2x_dcbnl_get_pfc_cfg,
2539 .setall = bnx2x_dcbnl_set_all,
2540 .getcap = bnx2x_dcbnl_get_cap,
2541 .getnumtcs = bnx2x_dcbnl_get_numtcs,
2542 .setnumtcs = bnx2x_dcbnl_set_numtcs,
2543 .getpfcstate = bnx2x_dcbnl_get_pfc_state,
2544 .setpfcstate = bnx2x_dcbnl_set_pfc_state,
2545 .setapp = bnx2x_dcbnl_set_app_up,
2546 .getdcbx = bnx2x_dcbnl_get_dcbx,
2547 .setdcbx = bnx2x_dcbnl_set_dcbx,
2548 .getfeatcfg = bnx2x_dcbnl_get_featcfg,
2549 .setfeatcfg = bnx2x_dcbnl_set_featcfg,
2550 .peer_getappinfo = bnx2x_peer_appinfo,
2551 .peer_getapptable = bnx2x_peer_apptable,
2552 .cee_peer_getpg = bnx2x_cee_peer_getpg,
2553 .cee_peer_getpfc = bnx2x_cee_peer_getpfc,
2554 };
2555
2556 #endif /* BCM_DCBNL */
2557