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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /drivers/net/bnx2x/bnx2x_dcb.c
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_dcb.c')
-rw-r--r--drivers/net/bnx2x/bnx2x_dcb.c2243
1 files changed, 2243 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_dcb.c b/drivers/net/bnx2x/bnx2x_dcb.c
new file mode 100644
index 000000000000..410a49e571ac
--- /dev/null
+++ b/drivers/net/bnx2x/bnx2x_dcb.c
@@ -0,0 +1,2243 @@
1/* bnx2x_dcb.c: Broadcom Everest network driver.
2 *
3 * Copyright 2009-2011 Broadcom Corporation
4 *
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
9 *
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
13 * consent.
14 *
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Dmitry Kravkov
17 *
18 */
19#include <linux/netdevice.h>
20#include <linux/types.h>
21#include <linux/errno.h>
22#ifdef BCM_DCBNL
23#include <linux/dcbnl.h>
24#endif
25
26#include "bnx2x.h"
27#include "bnx2x_cmn.h"
28#include "bnx2x_dcb.h"
29
30
31/* forward declarations of dcbx related functions */
32static void bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp);
33static void bnx2x_pfc_set_pfc(struct bnx2x *bp);
34static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp);
35static void bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp);
36static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
37 u32 *set_configuration_ets_pg,
38 u32 *pri_pg_tbl);
39static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
40 u32 *pg_pri_orginal_spread,
41 struct pg_help_data *help_data);
42static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp,
43 struct pg_help_data *help_data,
44 struct dcbx_ets_feature *ets,
45 u32 *pg_pri_orginal_spread);
46static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
47 struct cos_help_data *cos_data,
48 u32 *pg_pri_orginal_spread,
49 struct dcbx_ets_feature *ets);
50static void bnx2x_pfc_fw_struct_e2(struct bnx2x *bp);
51
52
53static void bnx2x_pfc_set(struct bnx2x *bp)
54{
55 struct bnx2x_nig_brb_pfc_port_params pfc_params = {0};
56 u32 pri_bit, val = 0;
57 u8 pri;
58
59 /* Tx COS configuration */
60 if (bp->dcbx_port_params.ets.cos_params[0].pauseable)
61 pfc_params.rx_cos0_priority_mask =
62 bp->dcbx_port_params.ets.cos_params[0].pri_bitmask;
63 if (bp->dcbx_port_params.ets.cos_params[1].pauseable)
64 pfc_params.rx_cos1_priority_mask =
65 bp->dcbx_port_params.ets.cos_params[1].pri_bitmask;
66
67
68 /**
69 * Rx COS configuration
70 * Changing PFC RX configuration .
71 * In RX COS0 will always be configured to lossy and COS1 to lossless
72 */
73 for (pri = 0 ; pri < MAX_PFC_PRIORITIES ; pri++) {
74 pri_bit = 1 << pri;
75
76 if (pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp))
77 val |= 1 << (pri * 4);
78 }
79
80 pfc_params.pkt_priority_to_cos = val;
81
82 /* RX COS0 */
83 pfc_params.llfc_low_priority_classes = 0;
84 /* RX COS1 */
85 pfc_params.llfc_high_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp);
86
87 /* BRB configuration */
88 pfc_params.cos0_pauseable = false;
89 pfc_params.cos1_pauseable = true;
90
91 bnx2x_acquire_phy_lock(bp);
92 bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED;
93 bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params);
94 bnx2x_release_phy_lock(bp);
95}
96
97static void bnx2x_pfc_clear(struct bnx2x *bp)
98{
99 struct bnx2x_nig_brb_pfc_port_params nig_params = {0};
100 nig_params.pause_enable = 1;
101#ifdef BNX2X_SAFC
102 if (bp->flags & SAFC_TX_FLAG) {
103 u32 high = 0, low = 0;
104 int i;
105
106 for (i = 0; i < BNX2X_MAX_PRIORITY; i++) {
107 if (bp->pri_map[i] == 1)
108 high |= (1 << i);
109 if (bp->pri_map[i] == 0)
110 low |= (1 << i);
111 }
112
113 nig_params.llfc_low_priority_classes = high;
114 nig_params.llfc_low_priority_classes = low;
115
116 nig_params.pause_enable = 0;
117 nig_params.llfc_enable = 1;
118 nig_params.llfc_out_en = 1;
119 }
120#endif /* BNX2X_SAFC */
121 bnx2x_acquire_phy_lock(bp);
122 bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED;
123 bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params);
124 bnx2x_release_phy_lock(bp);
125}
126
127static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp,
128 struct dcbx_features *features,
129 u32 error)
130{
131 u8 i = 0;
132 DP(NETIF_MSG_LINK, "local_mib.error %x\n", error);
133
134 /* PG */
135 DP(NETIF_MSG_LINK,
136 "local_mib.features.ets.enabled %x\n", features->ets.enabled);
137 for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++)
138 DP(NETIF_MSG_LINK,
139 "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i,
140 DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i));
141 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++)
142 DP(NETIF_MSG_LINK,
143 "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i,
144 DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i));
145
146 /* pfc */
147 DP(NETIF_MSG_LINK, "dcbx_features.pfc.pri_en_bitmap %x\n",
148 features->pfc.pri_en_bitmap);
149 DP(NETIF_MSG_LINK, "dcbx_features.pfc.pfc_caps %x\n",
150 features->pfc.pfc_caps);
151 DP(NETIF_MSG_LINK, "dcbx_features.pfc.enabled %x\n",
152 features->pfc.enabled);
153
154 DP(NETIF_MSG_LINK, "dcbx_features.app.default_pri %x\n",
155 features->app.default_pri);
156 DP(NETIF_MSG_LINK, "dcbx_features.app.tc_supported %x\n",
157 features->app.tc_supported);
158 DP(NETIF_MSG_LINK, "dcbx_features.app.enabled %x\n",
159 features->app.enabled);
160 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
161 DP(NETIF_MSG_LINK,
162 "dcbx_features.app.app_pri_tbl[%x].app_id %x\n",
163 i, features->app.app_pri_tbl[i].app_id);
164 DP(NETIF_MSG_LINK,
165 "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n",
166 i, features->app.app_pri_tbl[i].pri_bitmap);
167 DP(NETIF_MSG_LINK,
168 "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n",
169 i, features->app.app_pri_tbl[i].appBitfield);
170 }
171}
172
173static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp,
174 u8 pri_bitmap,
175 u8 llfc_traf_type)
176{
177 u32 pri = MAX_PFC_PRIORITIES;
178 u32 index = MAX_PFC_PRIORITIES - 1;
179 u32 pri_mask;
180 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
181
182 /* Choose the highest priority */
183 while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) {
184 pri_mask = 1 << index;
185 if (GET_FLAGS(pri_bitmap, pri_mask))
186 pri = index ;
187 index--;
188 }
189
190 if (pri < MAX_PFC_PRIORITIES)
191 ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri);
192}
193
194static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
195 struct dcbx_app_priority_feature *app,
196 u32 error) {
197 u8 index;
198 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
199
200 if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR))
201 DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_ERROR\n");
202
203 if (app->enabled && !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) {
204
205 bp->dcbx_port_params.app.enabled = true;
206
207 for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
208 ttp[index] = 0;
209
210 if (app->default_pri < MAX_PFC_PRIORITIES)
211 ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri;
212
213 for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) {
214 struct dcbx_app_priority_entry *entry =
215 app->app_pri_tbl;
216
217 if (GET_FLAGS(entry[index].appBitfield,
218 DCBX_APP_SF_ETH_TYPE) &&
219 ETH_TYPE_FCOE == entry[index].app_id)
220 bnx2x_dcbx_get_ap_priority(bp,
221 entry[index].pri_bitmap,
222 LLFC_TRAFFIC_TYPE_FCOE);
223
224 if (GET_FLAGS(entry[index].appBitfield,
225 DCBX_APP_SF_PORT) &&
226 TCP_PORT_ISCSI == entry[index].app_id)
227 bnx2x_dcbx_get_ap_priority(bp,
228 entry[index].pri_bitmap,
229 LLFC_TRAFFIC_TYPE_ISCSI);
230 }
231 } else {
232 DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_DISABLED\n");
233 bp->dcbx_port_params.app.enabled = false;
234 for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
235 ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY;
236 }
237}
238
239static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp,
240 struct dcbx_ets_feature *ets,
241 u32 error) {
242 int i = 0;
243 u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0};
244 struct pg_help_data pg_help_data;
245 struct bnx2x_dcbx_cos_params *cos_params =
246 bp->dcbx_port_params.ets.cos_params;
247
248 memset(&pg_help_data, 0, sizeof(struct pg_help_data));
249
250
251 if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR))
252 DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ERROR\n");
253
254
255 /* Clean up old settings of ets on COS */
256 for (i = 0; i < E2_NUM_OF_COS ; i++) {
257
258 cos_params[i].pauseable = false;
259 cos_params[i].strict = BNX2X_DCBX_COS_NOT_STRICT;
260 cos_params[i].bw_tbl = DCBX_INVALID_COS_BW;
261 cos_params[i].pri_bitmask = DCBX_PFC_PRI_GET_NON_PAUSE(bp, 0);
262 }
263
264 if (bp->dcbx_port_params.app.enabled &&
265 !GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR) &&
266 ets->enabled) {
267 DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ENABLE\n");
268 bp->dcbx_port_params.ets.enabled = true;
269
270 bnx2x_dcbx_get_ets_pri_pg_tbl(bp,
271 pg_pri_orginal_spread,
272 ets->pri_pg_tbl);
273
274 bnx2x_dcbx_get_num_pg_traf_type(bp,
275 pg_pri_orginal_spread,
276 &pg_help_data);
277
278 bnx2x_dcbx_fill_cos_params(bp, &pg_help_data,
279 ets, pg_pri_orginal_spread);
280
281 } else {
282 DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_DISABLED\n");
283 bp->dcbx_port_params.ets.enabled = false;
284 ets->pri_pg_tbl[0] = 0;
285
286 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++)
287 DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1);
288 }
289}
290
291static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp,
292 struct dcbx_pfc_feature *pfc, u32 error)
293{
294
295 if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR))
296 DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_ERROR\n");
297
298 if (bp->dcbx_port_params.app.enabled &&
299 !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR) &&
300 pfc->enabled) {
301 bp->dcbx_port_params.pfc.enabled = true;
302 bp->dcbx_port_params.pfc.priority_non_pauseable_mask =
303 ~(pfc->pri_en_bitmap);
304 } else {
305 DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_DISABLED\n");
306 bp->dcbx_port_params.pfc.enabled = false;
307 bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0;
308 }
309}
310
311static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp,
312 struct dcbx_features *features,
313 u32 error)
314{
315 bnx2x_dcbx_get_ap_feature(bp, &features->app, error);
316
317 bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error);
318
319 bnx2x_dcbx_get_ets_feature(bp, &features->ets, error);
320}
321
322#define DCBX_LOCAL_MIB_MAX_TRY_READ (100)
323static int bnx2x_dcbx_read_mib(struct bnx2x *bp,
324 u32 *base_mib_addr,
325 u32 offset,
326 int read_mib_type)
327{
328 int max_try_read = 0, i;
329 u32 *buff, mib_size, prefix_seq_num, suffix_seq_num;
330 struct lldp_remote_mib *remote_mib ;
331 struct lldp_local_mib *local_mib;
332
333
334 switch (read_mib_type) {
335 case DCBX_READ_LOCAL_MIB:
336 mib_size = sizeof(struct lldp_local_mib);
337 break;
338 case DCBX_READ_REMOTE_MIB:
339 mib_size = sizeof(struct lldp_remote_mib);
340 break;
341 default:
342 return 1; /*error*/
343 }
344
345 offset += BP_PORT(bp) * mib_size;
346
347 do {
348 buff = base_mib_addr;
349 for (i = 0; i < mib_size; i += 4, buff++)
350 *buff = REG_RD(bp, offset + i);
351
352 max_try_read++;
353
354 switch (read_mib_type) {
355 case DCBX_READ_LOCAL_MIB:
356 local_mib = (struct lldp_local_mib *) base_mib_addr;
357 prefix_seq_num = local_mib->prefix_seq_num;
358 suffix_seq_num = local_mib->suffix_seq_num;
359 break;
360 case DCBX_READ_REMOTE_MIB:
361 remote_mib = (struct lldp_remote_mib *) base_mib_addr;
362 prefix_seq_num = remote_mib->prefix_seq_num;
363 suffix_seq_num = remote_mib->suffix_seq_num;
364 break;
365 default:
366 return 1; /*error*/
367 }
368 } while ((prefix_seq_num != suffix_seq_num) &&
369 (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ));
370
371 if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) {
372 BNX2X_ERR("MIB could not be read\n");
373 return 1;
374 }
375
376 return 0;
377}
378
379static void bnx2x_pfc_set_pfc(struct bnx2x *bp)
380{
381 if (CHIP_IS_E2(bp)) {
382 if (BP_PORT(bp)) {
383 BNX2X_ERR("4 port mode is not supported");
384 return;
385 }
386
387 if (bp->dcbx_port_params.pfc.enabled)
388
389 /* 1. Fills up common PFC structures if required.*/
390 /* 2. Configure NIG, MAC and BRB via the elink:
391 * elink must first check if BMAC is not in reset
392 * and only then configures the BMAC
393 * Or, configure EMAC.
394 */
395 bnx2x_pfc_set(bp);
396
397 else
398 bnx2x_pfc_clear(bp);
399 }
400}
401
402static void bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp)
403{
404 DP(NETIF_MSG_LINK, "sending STOP TRAFFIC\n");
405 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC,
406 0 /* connectionless */,
407 0 /* dataHi is zero */,
408 0 /* dataLo is zero */,
409 1 /* common */);
410}
411
412static void bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp)
413{
414 bnx2x_pfc_fw_struct_e2(bp);
415 DP(NETIF_MSG_LINK, "sending START TRAFFIC\n");
416 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_START_TRAFFIC,
417 0, /* connectionless */
418 U64_HI(bnx2x_sp_mapping(bp, pfc_config)),
419 U64_LO(bnx2x_sp_mapping(bp, pfc_config)),
420 1 /* commmon */);
421}
422
423static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp)
424{
425 struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets);
426 u8 status = 0;
427
428 bnx2x_ets_disabled(&bp->link_params);
429
430 if (!ets->enabled)
431 return;
432
433 if ((ets->num_of_cos == 0) || (ets->num_of_cos > E2_NUM_OF_COS)) {
434 BNX2X_ERR("illegal num of cos= %x", ets->num_of_cos);
435 return;
436 }
437
438 /* valid COS entries */
439 if (ets->num_of_cos == 1) /* no ETS */
440 return;
441
442 /* sanity */
443 if (((BNX2X_DCBX_COS_NOT_STRICT == ets->cos_params[0].strict) &&
444 (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) ||
445 ((BNX2X_DCBX_COS_NOT_STRICT == ets->cos_params[1].strict) &&
446 (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) {
447 BNX2X_ERR("all COS should have at least bw_limit or strict"
448 "ets->cos_params[0].strict= %x"
449 "ets->cos_params[0].bw_tbl= %x"
450 "ets->cos_params[1].strict= %x"
451 "ets->cos_params[1].bw_tbl= %x",
452 ets->cos_params[0].strict,
453 ets->cos_params[0].bw_tbl,
454 ets->cos_params[1].strict,
455 ets->cos_params[1].bw_tbl);
456 return;
457 }
458 /* If we join a group and there is bw_tbl and strict then bw rules */
459 if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) &&
460 (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) {
461 u32 bw_tbl_0 = ets->cos_params[0].bw_tbl;
462 u32 bw_tbl_1 = ets->cos_params[1].bw_tbl;
463 /* Do not allow 0-100 configuration
464 * since PBF does not support it
465 * force 1-99 instead
466 */
467 if (bw_tbl_0 == 0) {
468 bw_tbl_0 = 1;
469 bw_tbl_1 = 99;
470 } else if (bw_tbl_1 == 0) {
471 bw_tbl_1 = 1;
472 bw_tbl_0 = 99;
473 }
474
475 bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1);
476 } else {
477 if (ets->cos_params[0].strict == BNX2X_DCBX_COS_HIGH_STRICT)
478 status = bnx2x_ets_strict(&bp->link_params, 0);
479 else if (ets->cos_params[1].strict
480 == BNX2X_DCBX_COS_HIGH_STRICT)
481 status = bnx2x_ets_strict(&bp->link_params, 1);
482
483 if (status)
484 BNX2X_ERR("update_ets_params failed\n");
485 }
486}
487
488#ifdef BCM_DCBNL
489static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp)
490{
491 struct lldp_remote_mib remote_mib = {0};
492 u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset);
493 int rc;
494
495 DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n",
496 dcbx_remote_mib_offset);
497
498 if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) {
499 BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n");
500 return -EINVAL;
501 }
502
503 rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset,
504 DCBX_READ_REMOTE_MIB);
505
506 if (rc) {
507 BNX2X_ERR("Faild to read remote mib from FW\n");
508 return rc;
509 }
510
511 /* save features and flags */
512 bp->dcbx_remote_feat = remote_mib.features;
513 bp->dcbx_remote_flags = remote_mib.flags;
514 return 0;
515}
516#endif
517
518static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp)
519{
520 struct lldp_local_mib local_mib = {0};
521 u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset);
522 int rc;
523
524 DP(NETIF_MSG_LINK, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset);
525
526 if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) {
527 BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n");
528 return -EINVAL;
529 }
530 rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset,
531 DCBX_READ_LOCAL_MIB);
532
533 if (rc) {
534 BNX2X_ERR("Faild to read local mib from FW\n");
535 return rc;
536 }
537
538 /* save features and error */
539 bp->dcbx_local_feat = local_mib.features;
540 bp->dcbx_error = local_mib.error;
541 return 0;
542}
543
544
545#ifdef BCM_DCBNL
546static inline
547u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent)
548{
549 u8 pri;
550
551 /* Choose the highest priority */
552 for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--)
553 if (ent->pri_bitmap & (1 << pri))
554 break;
555 return pri;
556}
557
558static inline
559u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent)
560{
561 return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) ==
562 DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM :
563 DCB_APP_IDTYPE_ETHTYPE;
564}
565
566static inline
567void bnx2x_dcbx_invalidate_local_apps(struct bnx2x *bp)
568{
569 int i;
570 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++)
571 bp->dcbx_local_feat.app.app_pri_tbl[i].appBitfield &=
572 ~DCBX_APP_ENTRY_VALID;
573}
574
575int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall)
576{
577 int i, err = 0;
578
579 for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) {
580 struct dcbx_app_priority_entry *ent =
581 &bp->dcbx_local_feat.app.app_pri_tbl[i];
582
583 if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
584 u8 up = bnx2x_dcbx_dcbnl_app_up(ent);
585
586 /* avoid invalid user-priority */
587 if (up) {
588 struct dcb_app app;
589 app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
590 app.protocol = ent->app_id;
591 app.priority = delall ? 0 : up;
592 err = dcb_setapp(bp->dev, &app);
593 }
594 }
595 }
596 return err;
597}
598#endif
599
600void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
601{
602 switch (state) {
603 case BNX2X_DCBX_STATE_NEG_RECEIVED:
604#ifdef BCM_CNIC
605 if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) {
606 struct cnic_ops *c_ops;
607 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
608 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
609 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
610 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
611
612 rcu_read_lock();
613 c_ops = rcu_dereference(bp->cnic_ops);
614 if (c_ops) {
615 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_ISCSI_CMD);
616 rcu_read_unlock();
617 return;
618 }
619 rcu_read_unlock();
620 }
621
622 /* fall through if no CNIC initialized */
623 case BNX2X_DCBX_STATE_ISCSI_STOPPED:
624#endif
625
626 {
627 DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n");
628#ifdef BCM_DCBNL
629 /**
630 * Delete app tlvs from dcbnl before reading new
631 * negotiation results
632 */
633 bnx2x_dcbnl_update_applist(bp, true);
634
635 /* Read rmeote mib if dcbx is in the FW */
636 if (bnx2x_dcbx_read_shmem_remote_mib(bp))
637 return;
638#endif
639 /* Read neg results if dcbx is in the FW */
640 if (bnx2x_dcbx_read_shmem_neg_results(bp))
641 return;
642
643 bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat,
644 bp->dcbx_error);
645
646 bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat,
647 bp->dcbx_error);
648
649 if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) {
650#ifdef BCM_DCBNL
651 /**
652 * Add new app tlvs to dcbnl
653 */
654 bnx2x_dcbnl_update_applist(bp, false);
655#endif
656 bnx2x_dcbx_stop_hw_tx(bp);
657 return;
658 }
659 /* fall through */
660#ifdef BCM_DCBNL
661 /**
662 * Invalidate the local app tlvs if they are not added
663 * to the dcbnl app list to avoid deleting them from
664 * the list later on
665 */
666 bnx2x_dcbx_invalidate_local_apps(bp);
667#endif
668 }
669 case BNX2X_DCBX_STATE_TX_PAUSED:
670 DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_PAUSED\n");
671 bnx2x_pfc_set_pfc(bp);
672
673 bnx2x_dcbx_update_ets_params(bp);
674 if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) {
675 bnx2x_dcbx_resume_hw_tx(bp);
676 return;
677 }
678 /* fall through */
679 case BNX2X_DCBX_STATE_TX_RELEASED:
680 DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_RELEASED\n");
681 if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD)
682 bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0);
683
684 return;
685 default:
686 BNX2X_ERR("Unknown DCBX_STATE\n");
687 }
688}
689
690
691#define LLDP_STATS_OFFSET(bp) (BP_PORT(bp)*\
692 sizeof(struct lldp_dcbx_stat))
693
694/* calculate struct offset in array according to chip information */
695#define LLDP_PARAMS_OFFSET(bp) (BP_PORT(bp)*sizeof(struct lldp_params))
696
697#define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \
698 BP_PORT(bp)*sizeof(struct lldp_admin_mib))
699
700static void bnx2x_dcbx_lldp_updated_params(struct bnx2x *bp,
701 u32 dcbx_lldp_params_offset)
702{
703 struct lldp_params lldp_params = {0};
704 u32 i = 0, *buff = NULL;
705 u32 offset = dcbx_lldp_params_offset + LLDP_PARAMS_OFFSET(bp);
706
707 DP(NETIF_MSG_LINK, "lldp_offset 0x%x\n", offset);
708
709 if ((bp->lldp_config_params.overwrite_settings ==
710 BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE)) {
711 /* Read the data first */
712 buff = (u32 *)&lldp_params;
713 for (i = 0; i < sizeof(struct lldp_params); i += 4, buff++)
714 *buff = REG_RD(bp, (offset + i));
715
716 lldp_params.msg_tx_hold =
717 (u8)bp->lldp_config_params.msg_tx_hold;
718 lldp_params.msg_fast_tx_interval =
719 (u8)bp->lldp_config_params.msg_fast_tx;
720 lldp_params.tx_crd_max =
721 (u8)bp->lldp_config_params.tx_credit_max;
722 lldp_params.msg_tx_interval =
723 (u8)bp->lldp_config_params.msg_tx_interval;
724 lldp_params.tx_fast =
725 (u8)bp->lldp_config_params.tx_fast;
726
727 /* Write the data.*/
728 buff = (u32 *)&lldp_params;
729 for (i = 0; i < sizeof(struct lldp_params); i += 4, buff++)
730 REG_WR(bp, (offset + i) , *buff);
731
732
733 } else if (BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE ==
734 bp->lldp_config_params.overwrite_settings)
735 bp->lldp_config_params.overwrite_settings =
736 BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID;
737}
738
739static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp,
740 u32 dcbx_lldp_params_offset)
741{
742 struct lldp_admin_mib admin_mib;
743 u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0;
744 u32 *buff;
745 u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp);
746
747 /*shortcuts*/
748 struct dcbx_features *af = &admin_mib.features;
749 struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params;
750
751 memset(&admin_mib, 0, sizeof(struct lldp_admin_mib));
752 buff = (u32 *)&admin_mib;
753 /* Read the data first */
754 for (i = 0; i < sizeof(struct lldp_admin_mib); i += 4, buff++)
755 *buff = REG_RD(bp, (offset + i));
756
757 if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON)
758 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED);
759 else
760 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED);
761
762 if ((BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE ==
763 dp->overwrite_settings)) {
764 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK);
765 admin_mib.ver_cfg_flags |=
766 (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) &
767 DCBX_CEE_VERSION_MASK;
768
769 af->ets.enabled = (u8)dp->admin_ets_enable;
770
771 af->pfc.enabled = (u8)dp->admin_pfc_enable;
772
773 /* FOR IEEE dp->admin_tc_supported_tx_enable */
774 if (dp->admin_ets_configuration_tx_enable)
775 SET_FLAGS(admin_mib.ver_cfg_flags,
776 DCBX_ETS_CONFIG_TX_ENABLED);
777 else
778 RESET_FLAGS(admin_mib.ver_cfg_flags,
779 DCBX_ETS_CONFIG_TX_ENABLED);
780 /* For IEEE admin_ets_recommendation_tx_enable */
781 if (dp->admin_pfc_tx_enable)
782 SET_FLAGS(admin_mib.ver_cfg_flags,
783 DCBX_PFC_CONFIG_TX_ENABLED);
784 else
785 RESET_FLAGS(admin_mib.ver_cfg_flags,
786 DCBX_PFC_CONFIG_TX_ENABLED);
787
788 if (dp->admin_application_priority_tx_enable)
789 SET_FLAGS(admin_mib.ver_cfg_flags,
790 DCBX_APP_CONFIG_TX_ENABLED);
791 else
792 RESET_FLAGS(admin_mib.ver_cfg_flags,
793 DCBX_APP_CONFIG_TX_ENABLED);
794
795 if (dp->admin_ets_willing)
796 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING);
797 else
798 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING);
799 /* For IEEE admin_ets_reco_valid */
800 if (dp->admin_pfc_willing)
801 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING);
802 else
803 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING);
804
805 if (dp->admin_app_priority_willing)
806 SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING);
807 else
808 RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING);
809
810 for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) {
811 DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i,
812 (u8)dp->admin_configuration_bw_precentage[i]);
813
814 DP(NETIF_MSG_LINK, "pg_bw_tbl[%d] = %02x\n",
815 i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i));
816 }
817
818 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) {
819 DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i,
820 (u8)dp->admin_configuration_ets_pg[i]);
821
822 DP(NETIF_MSG_LINK, "pri_pg_tbl[%d] = %02x\n",
823 i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i));
824 }
825
826 /*For IEEE admin_recommendation_bw_precentage
827 *For IEEE admin_recommendation_ets_pg */
828 af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap;
829 for (i = 0; i < 4; i++) {
830 if (dp->admin_priority_app_table[i].valid) {
831 struct bnx2x_admin_priority_app_table *table =
832 dp->admin_priority_app_table;
833 if ((ETH_TYPE_FCOE == table[i].app_id) &&
834 (TRAFFIC_TYPE_ETH == table[i].traffic_type))
835 traf_type = FCOE_APP_IDX;
836 else if ((TCP_PORT_ISCSI == table[i].app_id) &&
837 (TRAFFIC_TYPE_PORT == table[i].traffic_type))
838 traf_type = ISCSI_APP_IDX;
839 else
840 traf_type = other_traf_type++;
841
842 af->app.app_pri_tbl[traf_type].app_id =
843 table[i].app_id;
844
845 af->app.app_pri_tbl[traf_type].pri_bitmap =
846 (u8)(1 << table[i].priority);
847
848 af->app.app_pri_tbl[traf_type].appBitfield =
849 (DCBX_APP_ENTRY_VALID);
850
851 af->app.app_pri_tbl[traf_type].appBitfield |=
852 (TRAFFIC_TYPE_ETH == table[i].traffic_type) ?
853 DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT;
854 }
855 }
856
857 af->app.default_pri = (u8)dp->admin_default_priority;
858
859 } else if (BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE ==
860 dp->overwrite_settings)
861 dp->overwrite_settings = BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID;
862
863 /* Write the data. */
864 buff = (u32 *)&admin_mib;
865 for (i = 0; i < sizeof(struct lldp_admin_mib); i += 4, buff++)
866 REG_WR(bp, (offset + i), *buff);
867}
868
869void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled)
870{
871 if (CHIP_IS_E2(bp) && !CHIP_MODE_IS_4_PORT(bp)) {
872 bp->dcb_state = dcb_on;
873 bp->dcbx_enabled = dcbx_enabled;
874 } else {
875 bp->dcb_state = false;
876 bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID;
877 }
878 DP(NETIF_MSG_LINK, "DCB state [%s:%s]\n",
879 dcb_on ? "ON" : "OFF",
880 dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" :
881 dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" :
882 dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ?
883 "on-chip with negotiation" : "invalid");
884}
885
886void bnx2x_dcbx_init_params(struct bnx2x *bp)
887{
888 bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */
889 bp->dcbx_config_params.admin_ets_willing = 1;
890 bp->dcbx_config_params.admin_pfc_willing = 1;
891 bp->dcbx_config_params.overwrite_settings = 1;
892 bp->dcbx_config_params.admin_ets_enable = 1;
893 bp->dcbx_config_params.admin_pfc_enable = 1;
894 bp->dcbx_config_params.admin_tc_supported_tx_enable = 1;
895 bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
896 bp->dcbx_config_params.admin_pfc_tx_enable = 1;
897 bp->dcbx_config_params.admin_application_priority_tx_enable = 1;
898 bp->dcbx_config_params.admin_ets_reco_valid = 1;
899 bp->dcbx_config_params.admin_app_priority_willing = 1;
900 bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 00;
901 bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 50;
902 bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 50;
903 bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0;
904 bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0;
905 bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0;
906 bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0;
907 bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0;
908 bp->dcbx_config_params.admin_configuration_ets_pg[0] = 1;
909 bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0;
910 bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0;
911 bp->dcbx_config_params.admin_configuration_ets_pg[3] = 2;
912 bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0;
913 bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0;
914 bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0;
915 bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0;
916 bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 0;
917 bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 1;
918 bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 2;
919 bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0;
920 bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 7;
921 bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 5;
922 bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 6;
923 bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 7;
924 bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0;
925 bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1;
926 bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2;
927 bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3;
928 bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4;
929 bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5;
930 bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6;
931 bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7;
932 bp->dcbx_config_params.admin_pfc_bitmap = 0x8; /* FCoE(3) enable */
933 bp->dcbx_config_params.admin_priority_app_table[0].valid = 1;
934 bp->dcbx_config_params.admin_priority_app_table[1].valid = 1;
935 bp->dcbx_config_params.admin_priority_app_table[2].valid = 0;
936 bp->dcbx_config_params.admin_priority_app_table[3].valid = 0;
937 bp->dcbx_config_params.admin_priority_app_table[0].priority = 3;
938 bp->dcbx_config_params.admin_priority_app_table[1].priority = 0;
939 bp->dcbx_config_params.admin_priority_app_table[2].priority = 0;
940 bp->dcbx_config_params.admin_priority_app_table[3].priority = 0;
941 bp->dcbx_config_params.admin_priority_app_table[0].traffic_type = 0;
942 bp->dcbx_config_params.admin_priority_app_table[1].traffic_type = 1;
943 bp->dcbx_config_params.admin_priority_app_table[2].traffic_type = 0;
944 bp->dcbx_config_params.admin_priority_app_table[3].traffic_type = 0;
945 bp->dcbx_config_params.admin_priority_app_table[0].app_id = 0x8906;
946 bp->dcbx_config_params.admin_priority_app_table[1].app_id = 3260;
947 bp->dcbx_config_params.admin_priority_app_table[2].app_id = 0;
948 bp->dcbx_config_params.admin_priority_app_table[3].app_id = 0;
949 bp->dcbx_config_params.admin_default_priority =
950 bp->dcbx_config_params.admin_priority_app_table[1].priority;
951}
952
953void bnx2x_dcbx_init(struct bnx2x *bp)
954{
955 u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE;
956
957 if (bp->dcbx_enabled <= 0)
958 return;
959
960 /* validate:
961 * chip of good for dcbx version,
962 * dcb is wanted
963 * the function is pmf
964 * shmem2 contains DCBX support fields
965 */
966 DP(NETIF_MSG_LINK, "dcb_state %d bp->port.pmf %d\n",
967 bp->dcb_state, bp->port.pmf);
968
969 if (bp->dcb_state == BNX2X_DCB_STATE_ON && bp->port.pmf &&
970 SHMEM2_HAS(bp, dcbx_lldp_params_offset)) {
971 dcbx_lldp_params_offset =
972 SHMEM2_RD(bp, dcbx_lldp_params_offset);
973
974 DP(NETIF_MSG_LINK, "dcbx_lldp_params_offset 0x%x\n",
975 dcbx_lldp_params_offset);
976
977 if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) {
978 bnx2x_dcbx_lldp_updated_params(bp,
979 dcbx_lldp_params_offset);
980
981 bnx2x_dcbx_admin_mib_updated_params(bp,
982 dcbx_lldp_params_offset);
983
984 /* set default configuration BC has */
985 bnx2x_dcbx_set_params(bp,
986 BNX2X_DCBX_STATE_NEG_RECEIVED);
987
988 bnx2x_fw_command(bp,
989 DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0);
990 }
991 }
992}
993
994void bnx2x_dcb_init_intmem_pfc(struct bnx2x *bp)
995{
996 struct priority_cos pricos[MAX_PFC_TRAFFIC_TYPES];
997 u32 i = 0, addr;
998 memset(pricos, 0, sizeof(pricos));
999 /* Default initialization */
1000 for (i = 0; i < MAX_PFC_TRAFFIC_TYPES; i++)
1001 pricos[i].priority = LLFC_TRAFFIC_TYPE_TO_PRIORITY_UNMAPPED;
1002
1003 /* Store per port struct to internal memory */
1004 addr = BAR_XSTRORM_INTMEM +
1005 XSTORM_CMNG_PER_PORT_VARS_OFFSET(BP_PORT(bp)) +
1006 offsetof(struct cmng_struct_per_port,
1007 traffic_type_to_priority_cos);
1008 __storm_memset_struct(bp, addr, sizeof(pricos), (u32 *)pricos);
1009
1010
1011 /* LLFC disabled.*/
1012 REG_WR8(bp , BAR_XSTRORM_INTMEM +
1013 XSTORM_CMNG_PER_PORT_VARS_OFFSET(BP_PORT(bp)) +
1014 offsetof(struct cmng_struct_per_port, llfc_mode),
1015 LLFC_MODE_NONE);
1016
1017 /* DCBX disabled.*/
1018 REG_WR8(bp , BAR_XSTRORM_INTMEM +
1019 XSTORM_CMNG_PER_PORT_VARS_OFFSET(BP_PORT(bp)) +
1020 offsetof(struct cmng_struct_per_port, dcb_enabled),
1021 DCB_DISABLED);
1022}
1023
1024static void
1025bnx2x_dcbx_print_cos_params(struct bnx2x *bp,
1026 struct flow_control_configuration *pfc_fw_cfg)
1027{
1028 u8 pri = 0;
1029 u8 cos = 0;
1030
1031 DP(NETIF_MSG_LINK,
1032 "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version);
1033 DP(NETIF_MSG_LINK,
1034 "pdev->params.dcbx_port_params.pfc."
1035 "priority_non_pauseable_mask %x\n",
1036 bp->dcbx_port_params.pfc.priority_non_pauseable_mask);
1037
1038 for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) {
1039 DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets."
1040 "cos_params[%d].pri_bitmask %x\n", cos,
1041 bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask);
1042
1043 DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets."
1044 "cos_params[%d].bw_tbl %x\n", cos,
1045 bp->dcbx_port_params.ets.cos_params[cos].bw_tbl);
1046
1047 DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets."
1048 "cos_params[%d].strict %x\n", cos,
1049 bp->dcbx_port_params.ets.cos_params[cos].strict);
1050
1051 DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets."
1052 "cos_params[%d].pauseable %x\n", cos,
1053 bp->dcbx_port_params.ets.cos_params[cos].pauseable);
1054 }
1055
1056 for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) {
1057 DP(NETIF_MSG_LINK,
1058 "pfc_fw_cfg->traffic_type_to_priority_cos[%d]."
1059 "priority %x\n", pri,
1060 pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority);
1061
1062 DP(NETIF_MSG_LINK,
1063 "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n",
1064 pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos);
1065 }
1066}
1067
1068/* fills help_data according to pg_info */
1069static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
1070 u32 *pg_pri_orginal_spread,
1071 struct pg_help_data *help_data)
1072{
1073 bool pg_found = false;
1074 u32 i, traf_type, add_traf_type, add_pg;
1075 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
1076 struct pg_entry_help_data *data = help_data->data; /*shotcut*/
1077
1078 /* Set to invalid */
1079 for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++)
1080 data[i].pg = DCBX_ILLEGAL_PG;
1081
1082 for (add_traf_type = 0;
1083 add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) {
1084 pg_found = false;
1085 if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) {
1086 add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]];
1087 for (traf_type = 0;
1088 traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX;
1089 traf_type++) {
1090 if (data[traf_type].pg == add_pg) {
1091 if (!(data[traf_type].pg_priority &
1092 (1 << ttp[add_traf_type])))
1093 data[traf_type].
1094 num_of_dif_pri++;
1095 data[traf_type].pg_priority |=
1096 (1 << ttp[add_traf_type]);
1097 pg_found = true;
1098 break;
1099 }
1100 }
1101 if (false == pg_found) {
1102 data[help_data->num_of_pg].pg = add_pg;
1103 data[help_data->num_of_pg].pg_priority =
1104 (1 << ttp[add_traf_type]);
1105 data[help_data->num_of_pg].num_of_dif_pri = 1;
1106 help_data->num_of_pg++;
1107 }
1108 }
1109 DP(NETIF_MSG_LINK,
1110 "add_traf_type %d pg_found %s num_of_pg %d\n",
1111 add_traf_type, (false == pg_found) ? "NO" : "YES",
1112 help_data->num_of_pg);
1113 }
1114}
1115
1116static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp,
1117 struct cos_help_data *cos_data,
1118 u32 pri_join_mask)
1119{
1120 /* Only one priority than only one COS */
1121 cos_data->data[0].pausable =
1122 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1123 cos_data->data[0].pri_join_mask = pri_join_mask;
1124 cos_data->data[0].cos_bw = 100;
1125 cos_data->num_of_cos = 1;
1126}
1127
1128static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp,
1129 struct cos_entry_help_data *data,
1130 u8 pg_bw)
1131{
1132 if (data->cos_bw == DCBX_INVALID_COS_BW)
1133 data->cos_bw = pg_bw;
1134 else
1135 data->cos_bw += pg_bw;
1136}
1137
1138static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
1139 struct cos_help_data *cos_data,
1140 u32 *pg_pri_orginal_spread,
1141 struct dcbx_ets_feature *ets)
1142{
1143 u32 pri_tested = 0;
1144 u8 i = 0;
1145 u8 entry = 0;
1146 u8 pg_entry = 0;
1147 u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX;
1148
1149 cos_data->data[0].pausable = true;
1150 cos_data->data[1].pausable = false;
1151 cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0;
1152
1153 for (i = 0 ; i < num_of_pri ; i++) {
1154 pri_tested = 1 << bp->dcbx_port_params.
1155 app.traffic_type_priority[i];
1156
1157 if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) {
1158 cos_data->data[1].pri_join_mask |= pri_tested;
1159 entry = 1;
1160 } else {
1161 cos_data->data[0].pri_join_mask |= pri_tested;
1162 entry = 0;
1163 }
1164 pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params.
1165 app.traffic_type_priority[i]];
1166 /* There can be only one strict pg */
1167 if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES)
1168 bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry],
1169 DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry));
1170 else
1171 /* If we join a group and one is strict
1172 * than the bw rulls */
1173 cos_data->data[entry].strict =
1174 BNX2X_DCBX_COS_HIGH_STRICT;
1175 }
1176 if ((0 == cos_data->data[0].pri_join_mask) &&
1177 (0 == cos_data->data[1].pri_join_mask))
1178 BNX2X_ERR("dcbx error: Both groups must have priorities\n");
1179}
1180
1181
1182#ifndef POWER_OF_2
1183#define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1))))
1184#endif
1185
1186static void bxn2x_dcbx_single_pg_to_cos_params(struct bnx2x *bp,
1187 struct pg_help_data *pg_help_data,
1188 struct cos_help_data *cos_data,
1189 u32 pri_join_mask,
1190 u8 num_of_dif_pri)
1191{
1192 u8 i = 0;
1193 u32 pri_tested = 0;
1194 u32 pri_mask_without_pri = 0;
1195 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
1196 /*debug*/
1197 if (num_of_dif_pri == 1) {
1198 bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask);
1199 return;
1200 }
1201 /* single priority group */
1202 if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) {
1203 /* If there are both pauseable and non-pauseable priorities,
1204 * the pauseable priorities go to the first queue and
1205 * the non-pauseable priorities go to the second queue.
1206 */
1207 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
1208 /* Pauseable */
1209 cos_data->data[0].pausable = true;
1210 /* Non pauseable.*/
1211 cos_data->data[1].pausable = false;
1212
1213 if (2 == num_of_dif_pri) {
1214 cos_data->data[0].cos_bw = 50;
1215 cos_data->data[1].cos_bw = 50;
1216 }
1217
1218 if (3 == num_of_dif_pri) {
1219 if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp,
1220 pri_join_mask))) {
1221 cos_data->data[0].cos_bw = 33;
1222 cos_data->data[1].cos_bw = 67;
1223 } else {
1224 cos_data->data[0].cos_bw = 67;
1225 cos_data->data[1].cos_bw = 33;
1226 }
1227 }
1228
1229 } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) {
1230 /* If there are only pauseable priorities,
1231 * then one/two priorities go to the first queue
1232 * and one priority goes to the second queue.
1233 */
1234 if (2 == num_of_dif_pri) {
1235 cos_data->data[0].cos_bw = 50;
1236 cos_data->data[1].cos_bw = 50;
1237 } else {
1238 cos_data->data[0].cos_bw = 67;
1239 cos_data->data[1].cos_bw = 33;
1240 }
1241 cos_data->data[1].pausable = true;
1242 cos_data->data[0].pausable = true;
1243 /* All priorities except FCOE */
1244 cos_data->data[0].pri_join_mask = (pri_join_mask &
1245 ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE])));
1246 /* Only FCOE priority.*/
1247 cos_data->data[1].pri_join_mask =
1248 (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]);
1249 } else
1250 /* If there are only non-pauseable priorities,
1251 * they will all go to the same queue.
1252 */
1253 bnx2x_dcbx_ets_disabled_entry_data(bp,
1254 cos_data, pri_join_mask);
1255 } else {
1256 /* priority group which is not BW limited (PG#15):*/
1257 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
1258 /* If there are both pauseable and non-pauseable
1259 * priorities, the pauseable priorities go to the first
1260 * queue and the non-pauseable priorities
1261 * go to the second queue.
1262 */
1263 if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) >
1264 DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) {
1265 cos_data->data[0].strict =
1266 BNX2X_DCBX_COS_HIGH_STRICT;
1267 cos_data->data[1].strict =
1268 BNX2X_DCBX_COS_LOW_STRICT;
1269 } else {
1270 cos_data->data[0].strict =
1271 BNX2X_DCBX_COS_LOW_STRICT;
1272 cos_data->data[1].strict =
1273 BNX2X_DCBX_COS_HIGH_STRICT;
1274 }
1275 /* Pauseable */
1276 cos_data->data[0].pausable = true;
1277 /* Non pause-able.*/
1278 cos_data->data[1].pausable = false;
1279 } else {
1280 /* If there are only pauseable priorities or
1281 * only non-pauseable,* the lower priorities go
1282 * to the first queue and the higherpriorities go
1283 * to the second queue.
1284 */
1285 cos_data->data[0].pausable =
1286 cos_data->data[1].pausable =
1287 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1288
1289 for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) {
1290 pri_tested = 1 << bp->dcbx_port_params.
1291 app.traffic_type_priority[i];
1292 /* Remove priority tested */
1293 pri_mask_without_pri =
1294 (pri_join_mask & ((u8)(~pri_tested)));
1295 if (pri_mask_without_pri < pri_tested)
1296 break;
1297 }
1298
1299 if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX)
1300 BNX2X_ERR("Invalid value for pri_join_mask -"
1301 " could not find a priority\n");
1302
1303 cos_data->data[0].pri_join_mask = pri_mask_without_pri;
1304 cos_data->data[1].pri_join_mask = pri_tested;
1305 /* Both queues are strict priority,
1306 * and that with the highest priority
1307 * gets the highest strict priority in the arbiter.
1308 */
1309 cos_data->data[0].strict = BNX2X_DCBX_COS_LOW_STRICT;
1310 cos_data->data[1].strict = BNX2X_DCBX_COS_HIGH_STRICT;
1311 }
1312 }
1313}
1314
1315static void bnx2x_dcbx_two_pg_to_cos_params(
1316 struct bnx2x *bp,
1317 struct pg_help_data *pg_help_data,
1318 struct dcbx_ets_feature *ets,
1319 struct cos_help_data *cos_data,
1320 u32 *pg_pri_orginal_spread,
1321 u32 pri_join_mask,
1322 u8 num_of_dif_pri)
1323{
1324 u8 i = 0;
1325 u8 pg[E2_NUM_OF_COS] = {0};
1326
1327 /* If there are both pauseable and non-pauseable priorities,
1328 * the pauseable priorities go to the first queue and
1329 * the non-pauseable priorities go to the second queue.
1330 */
1331 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
1332 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp,
1333 pg_help_data->data[0].pg_priority) ||
1334 IS_DCBX_PFC_PRI_MIX_PAUSE(bp,
1335 pg_help_data->data[1].pg_priority)) {
1336 /* If one PG contains both pauseable and
1337 * non-pauseable priorities then ETS is disabled.
1338 */
1339 bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data,
1340 pg_pri_orginal_spread, ets);
1341 bp->dcbx_port_params.ets.enabled = false;
1342 return;
1343 }
1344
1345 /* Pauseable */
1346 cos_data->data[0].pausable = true;
1347 /* Non pauseable. */
1348 cos_data->data[1].pausable = false;
1349 if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp,
1350 pg_help_data->data[0].pg_priority)) {
1351 /* 0 is pauseable */
1352 cos_data->data[0].pri_join_mask =
1353 pg_help_data->data[0].pg_priority;
1354 pg[0] = pg_help_data->data[0].pg;
1355 cos_data->data[1].pri_join_mask =
1356 pg_help_data->data[1].pg_priority;
1357 pg[1] = pg_help_data->data[1].pg;
1358 } else {/* 1 is pauseable */
1359 cos_data->data[0].pri_join_mask =
1360 pg_help_data->data[1].pg_priority;
1361 pg[0] = pg_help_data->data[1].pg;
1362 cos_data->data[1].pri_join_mask =
1363 pg_help_data->data[0].pg_priority;
1364 pg[1] = pg_help_data->data[0].pg;
1365 }
1366 } else {
1367 /* If there are only pauseable priorities or
1368 * only non-pauseable, each PG goes to a queue.
1369 */
1370 cos_data->data[0].pausable = cos_data->data[1].pausable =
1371 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1372 cos_data->data[0].pri_join_mask =
1373 pg_help_data->data[0].pg_priority;
1374 pg[0] = pg_help_data->data[0].pg;
1375 cos_data->data[1].pri_join_mask =
1376 pg_help_data->data[1].pg_priority;
1377 pg[1] = pg_help_data->data[1].pg;
1378 }
1379
1380 /* There can be only one strict pg */
1381 for (i = 0 ; i < E2_NUM_OF_COS; i++) {
1382 if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES)
1383 cos_data->data[i].cos_bw =
1384 DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]);
1385 else
1386 cos_data->data[i].strict = BNX2X_DCBX_COS_HIGH_STRICT;
1387 }
1388}
1389
1390static void bnx2x_dcbx_three_pg_to_cos_params(
1391 struct bnx2x *bp,
1392 struct pg_help_data *pg_help_data,
1393 struct dcbx_ets_feature *ets,
1394 struct cos_help_data *cos_data,
1395 u32 *pg_pri_orginal_spread,
1396 u32 pri_join_mask,
1397 u8 num_of_dif_pri)
1398{
1399 u8 i = 0;
1400 u32 pri_tested = 0;
1401 u8 entry = 0;
1402 u8 pg_entry = 0;
1403 bool b_found_strict = false;
1404 u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX;
1405
1406 cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0;
1407 /* If there are both pauseable and non-pauseable priorities,
1408 * the pauseable priorities go to the first queue and the
1409 * non-pauseable priorities go to the second queue.
1410 */
1411 if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask))
1412 bnx2x_dcbx_separate_pauseable_from_non(bp,
1413 cos_data, pg_pri_orginal_spread, ets);
1414 else {
1415 /* If two BW-limited PG-s were combined to one queue,
1416 * the BW is their sum.
1417 *
1418 * If there are only pauseable priorities or only non-pauseable,
1419 * and there are both BW-limited and non-BW-limited PG-s,
1420 * the BW-limited PG/s go to one queue and the non-BW-limited
1421 * PG/s go to the second queue.
1422 *
1423 * If there are only pauseable priorities or only non-pauseable
1424 * and all are BW limited, then two priorities go to the first
1425 * queue and one priority goes to the second queue.
1426 *
1427 * We will join this two cases:
1428 * if one is BW limited it will go to the secoend queue
1429 * otherwise the last priority will get it
1430 */
1431
1432 cos_data->data[0].pausable = cos_data->data[1].pausable =
1433 IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
1434
1435 for (i = 0 ; i < num_of_pri; i++) {
1436 pri_tested = 1 << bp->dcbx_port_params.
1437 app.traffic_type_priority[i];
1438 pg_entry = (u8)pg_pri_orginal_spread[bp->
1439 dcbx_port_params.app.traffic_type_priority[i]];
1440
1441 if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) {
1442 entry = 0;
1443
1444 if (i == (num_of_pri-1) &&
1445 false == b_found_strict)
1446 /* last entry will be handled separately
1447 * If no priority is strict than last
1448 * enty goes to last queue.*/
1449 entry = 1;
1450 cos_data->data[entry].pri_join_mask |=
1451 pri_tested;
1452 bnx2x_dcbx_add_to_cos_bw(bp,
1453 &cos_data->data[entry],
1454 DCBX_PG_BW_GET(ets->pg_bw_tbl,
1455 pg_entry));
1456 } else {
1457 b_found_strict = true;
1458 cos_data->data[1].pri_join_mask |= pri_tested;
1459 /* If we join a group and one is strict
1460 * than the bw rulls */
1461 cos_data->data[1].strict =
1462 BNX2X_DCBX_COS_HIGH_STRICT;
1463 }
1464 }
1465 }
1466}
1467
1468
1469static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp,
1470 struct pg_help_data *help_data,
1471 struct dcbx_ets_feature *ets,
1472 u32 *pg_pri_orginal_spread)
1473{
1474 struct cos_help_data cos_data ;
1475 u8 i = 0;
1476 u32 pri_join_mask = 0;
1477 u8 num_of_dif_pri = 0;
1478
1479 memset(&cos_data, 0, sizeof(cos_data));
1480 /* Validate the pg value */
1481 for (i = 0; i < help_data->num_of_pg ; i++) {
1482 if (DCBX_STRICT_PRIORITY != help_data->data[i].pg &&
1483 DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg)
1484 BNX2X_ERR("Invalid pg[%d] data %x\n", i,
1485 help_data->data[i].pg);
1486 pri_join_mask |= help_data->data[i].pg_priority;
1487 num_of_dif_pri += help_data->data[i].num_of_dif_pri;
1488 }
1489
1490 /* default settings */
1491 cos_data.num_of_cos = 2;
1492 for (i = 0; i < E2_NUM_OF_COS ; i++) {
1493 cos_data.data[i].pri_join_mask = pri_join_mask;
1494 cos_data.data[i].pausable = false;
1495 cos_data.data[i].strict = BNX2X_DCBX_COS_NOT_STRICT;
1496 cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW;
1497 }
1498
1499 switch (help_data->num_of_pg) {
1500 case 1:
1501
1502 bxn2x_dcbx_single_pg_to_cos_params(
1503 bp,
1504 help_data,
1505 &cos_data,
1506 pri_join_mask,
1507 num_of_dif_pri);
1508 break;
1509 case 2:
1510 bnx2x_dcbx_two_pg_to_cos_params(
1511 bp,
1512 help_data,
1513 ets,
1514 &cos_data,
1515 pg_pri_orginal_spread,
1516 pri_join_mask,
1517 num_of_dif_pri);
1518 break;
1519
1520 case 3:
1521 bnx2x_dcbx_three_pg_to_cos_params(
1522 bp,
1523 help_data,
1524 ets,
1525 &cos_data,
1526 pg_pri_orginal_spread,
1527 pri_join_mask,
1528 num_of_dif_pri);
1529
1530 break;
1531 default:
1532 BNX2X_ERR("Wrong pg_help_data.num_of_pg\n");
1533 bnx2x_dcbx_ets_disabled_entry_data(bp,
1534 &cos_data, pri_join_mask);
1535 }
1536
1537 for (i = 0; i < cos_data.num_of_cos ; i++) {
1538 struct bnx2x_dcbx_cos_params *params =
1539 &bp->dcbx_port_params.ets.cos_params[i];
1540
1541 params->pauseable = cos_data.data[i].pausable;
1542 params->strict = cos_data.data[i].strict;
1543 params->bw_tbl = cos_data.data[i].cos_bw;
1544 if (params->pauseable) {
1545 params->pri_bitmask =
1546 DCBX_PFC_PRI_GET_PAUSE(bp,
1547 cos_data.data[i].pri_join_mask);
1548 DP(NETIF_MSG_LINK, "COS %d PAUSABLE prijoinmask 0x%x\n",
1549 i, cos_data.data[i].pri_join_mask);
1550 } else {
1551 params->pri_bitmask =
1552 DCBX_PFC_PRI_GET_NON_PAUSE(bp,
1553 cos_data.data[i].pri_join_mask);
1554 DP(NETIF_MSG_LINK, "COS %d NONPAUSABLE prijoinmask "
1555 "0x%x\n",
1556 i, cos_data.data[i].pri_join_mask);
1557 }
1558 }
1559
1560 bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ;
1561}
1562
1563static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
1564 u32 *set_configuration_ets_pg,
1565 u32 *pri_pg_tbl)
1566{
1567 int i;
1568
1569 for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) {
1570 set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i);
1571
1572 DP(NETIF_MSG_LINK, "set_configuration_ets_pg[%d] = 0x%x\n",
1573 i, set_configuration_ets_pg[i]);
1574 }
1575}
1576
1577static void bnx2x_pfc_fw_struct_e2(struct bnx2x *bp)
1578{
1579 struct flow_control_configuration *pfc_fw_cfg = NULL;
1580 u16 pri_bit = 0;
1581 u8 cos = 0, pri = 0;
1582 struct priority_cos *tt2cos;
1583 u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
1584
1585 pfc_fw_cfg = (struct flow_control_configuration *)
1586 bnx2x_sp(bp, pfc_config);
1587 memset(pfc_fw_cfg, 0, sizeof(struct flow_control_configuration));
1588
1589 /*shortcut*/
1590 tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos;
1591
1592 /* Fw version should be incremented each update */
1593 pfc_fw_cfg->dcb_version = ++bp->dcb_version;
1594 pfc_fw_cfg->dcb_enabled = DCB_ENABLED;
1595
1596 /* Default initialization */
1597 for (pri = 0; pri < MAX_PFC_TRAFFIC_TYPES ; pri++) {
1598 tt2cos[pri].priority = LLFC_TRAFFIC_TYPE_TO_PRIORITY_UNMAPPED;
1599 tt2cos[pri].cos = 0;
1600 }
1601
1602 /* Fill priority parameters */
1603 for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) {
1604 tt2cos[pri].priority = ttp[pri];
1605 pri_bit = 1 << tt2cos[pri].priority;
1606
1607 /* Fill COS parameters based on COS calculated to
1608 * make it more generally for future use */
1609 for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++)
1610 if (bp->dcbx_port_params.ets.cos_params[cos].
1611 pri_bitmask & pri_bit)
1612 tt2cos[pri].cos = cos;
1613 }
1614 bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg);
1615}
1616/* DCB netlink */
1617#ifdef BCM_DCBNL
1618
1619#define BNX2X_DCBX_CAPS (DCB_CAP_DCBX_LLD_MANAGED | \
1620 DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC)
1621
1622static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp)
1623{
1624 /* validate dcbnl call that may change HW state:
1625 * DCB is on and DCBX mode was SUCCESSFULLY set by the user.
1626 */
1627 return bp->dcb_state && bp->dcbx_mode_uset;
1628}
1629
1630static u8 bnx2x_dcbnl_get_state(struct net_device *netdev)
1631{
1632 struct bnx2x *bp = netdev_priv(netdev);
1633 DP(NETIF_MSG_LINK, "state = %d\n", bp->dcb_state);
1634 return bp->dcb_state;
1635}
1636
1637static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state)
1638{
1639 struct bnx2x *bp = netdev_priv(netdev);
1640 DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off");
1641
1642 bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled);
1643 return 0;
1644}
1645
1646static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev,
1647 u8 *perm_addr)
1648{
1649 struct bnx2x *bp = netdev_priv(netdev);
1650 DP(NETIF_MSG_LINK, "GET-PERM-ADDR\n");
1651
1652 /* first the HW mac address */
1653 memcpy(perm_addr, netdev->dev_addr, netdev->addr_len);
1654
1655#ifdef BCM_CNIC
1656 /* second SAN address */
1657 memcpy(perm_addr+netdev->addr_len, bp->fip_mac, netdev->addr_len);
1658#endif
1659}
1660
1661static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio,
1662 u8 prio_type, u8 pgid, u8 bw_pct,
1663 u8 up_map)
1664{
1665 struct bnx2x *bp = netdev_priv(netdev);
1666
1667 DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, pgid);
1668 if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES)
1669 return;
1670
1671 /**
1672 * bw_pct ingnored - band-width percentage devision between user
1673 * priorities within the same group is not
1674 * standard and hence not supported
1675 *
1676 * prio_type igonred - priority levels within the same group are not
1677 * standard and hence are not supported. According
1678 * to the standard pgid 15 is dedicated to strict
1679 * prioirty traffic (on the port level).
1680 *
1681 * up_map ignored
1682 */
1683
1684 bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid;
1685 bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
1686}
1687
1688static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev,
1689 int pgid, u8 bw_pct)
1690{
1691 struct bnx2x *bp = netdev_priv(netdev);
1692 DP(NETIF_MSG_LINK, "pgid[%d] = %d\n", pgid, bw_pct);
1693
1694 if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES)
1695 return;
1696
1697 bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct;
1698 bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
1699}
1700
1701static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio,
1702 u8 prio_type, u8 pgid, u8 bw_pct,
1703 u8 up_map)
1704{
1705 struct bnx2x *bp = netdev_priv(netdev);
1706 DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n");
1707}
1708
1709static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev,
1710 int pgid, u8 bw_pct)
1711{
1712 struct bnx2x *bp = netdev_priv(netdev);
1713 DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n");
1714}
1715
1716static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio,
1717 u8 *prio_type, u8 *pgid, u8 *bw_pct,
1718 u8 *up_map)
1719{
1720 struct bnx2x *bp = netdev_priv(netdev);
1721 DP(NETIF_MSG_LINK, "prio = %d\n", prio);
1722
1723 /**
1724 * bw_pct ingnored - band-width percentage devision between user
1725 * priorities within the same group is not
1726 * standard and hence not supported
1727 *
1728 * prio_type igonred - priority levels within the same group are not
1729 * standard and hence are not supported. According
1730 * to the standard pgid 15 is dedicated to strict
1731 * prioirty traffic (on the port level).
1732 *
1733 * up_map ignored
1734 */
1735 *up_map = *bw_pct = *prio_type = *pgid = 0;
1736
1737 if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES)
1738 return;
1739
1740 *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio);
1741}
1742
1743static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev,
1744 int pgid, u8 *bw_pct)
1745{
1746 struct bnx2x *bp = netdev_priv(netdev);
1747 DP(NETIF_MSG_LINK, "pgid = %d\n", pgid);
1748
1749 *bw_pct = 0;
1750
1751 if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES)
1752 return;
1753
1754 *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid);
1755}
1756
1757static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio,
1758 u8 *prio_type, u8 *pgid, u8 *bw_pct,
1759 u8 *up_map)
1760{
1761 struct bnx2x *bp = netdev_priv(netdev);
1762 DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n");
1763
1764 *prio_type = *pgid = *bw_pct = *up_map = 0;
1765}
1766
1767static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev,
1768 int pgid, u8 *bw_pct)
1769{
1770 struct bnx2x *bp = netdev_priv(netdev);
1771 DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n");
1772
1773 *bw_pct = 0;
1774}
1775
1776static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio,
1777 u8 setting)
1778{
1779 struct bnx2x *bp = netdev_priv(netdev);
1780 DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, setting);
1781
1782 if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES)
1783 return;
1784
1785 bp->dcbx_config_params.admin_pfc_bitmap |= ((setting ? 1 : 0) << prio);
1786
1787 if (setting)
1788 bp->dcbx_config_params.admin_pfc_tx_enable = 1;
1789}
1790
1791static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio,
1792 u8 *setting)
1793{
1794 struct bnx2x *bp = netdev_priv(netdev);
1795 DP(NETIF_MSG_LINK, "prio = %d\n", prio);
1796
1797 *setting = 0;
1798
1799 if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES)
1800 return;
1801
1802 *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1;
1803}
1804
1805static u8 bnx2x_dcbnl_set_all(struct net_device *netdev)
1806{
1807 struct bnx2x *bp = netdev_priv(netdev);
1808 int rc = 0;
1809
1810 DP(NETIF_MSG_LINK, "SET-ALL\n");
1811
1812 if (!bnx2x_dcbnl_set_valid(bp))
1813 return 1;
1814
1815 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1816 netdev_err(bp->dev, "Handling parity error recovery. "
1817 "Try again later\n");
1818 return 1;
1819 }
1820 if (netif_running(bp->dev)) {
1821 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1822 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
1823 }
1824 DP(NETIF_MSG_LINK, "set_dcbx_params done (%d)\n", rc);
1825 if (rc)
1826 return 1;
1827
1828 return 0;
1829}
1830
1831static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap)
1832{
1833 struct bnx2x *bp = netdev_priv(netdev);
1834 u8 rval = 0;
1835
1836 if (bp->dcb_state) {
1837 switch (capid) {
1838 case DCB_CAP_ATTR_PG:
1839 *cap = true;
1840 break;
1841 case DCB_CAP_ATTR_PFC:
1842 *cap = true;
1843 break;
1844 case DCB_CAP_ATTR_UP2TC:
1845 *cap = false;
1846 break;
1847 case DCB_CAP_ATTR_PG_TCS:
1848 *cap = 0x80; /* 8 priorities for PGs */
1849 break;
1850 case DCB_CAP_ATTR_PFC_TCS:
1851 *cap = 0x80; /* 8 priorities for PFC */
1852 break;
1853 case DCB_CAP_ATTR_GSP:
1854 *cap = true;
1855 break;
1856 case DCB_CAP_ATTR_BCN:
1857 *cap = false;
1858 break;
1859 case DCB_CAP_ATTR_DCBX:
1860 *cap = BNX2X_DCBX_CAPS;
1861 default:
1862 rval = -EINVAL;
1863 break;
1864 }
1865 } else
1866 rval = -EINVAL;
1867
1868 DP(NETIF_MSG_LINK, "capid %d:%x\n", capid, *cap);
1869 return rval;
1870}
1871
1872static u8 bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num)
1873{
1874 struct bnx2x *bp = netdev_priv(netdev);
1875 u8 rval = 0;
1876
1877 DP(NETIF_MSG_LINK, "tcid %d\n", tcid);
1878
1879 if (bp->dcb_state) {
1880 switch (tcid) {
1881 case DCB_NUMTCS_ATTR_PG:
1882 *num = E2_NUM_OF_COS;
1883 break;
1884 case DCB_NUMTCS_ATTR_PFC:
1885 *num = E2_NUM_OF_COS;
1886 break;
1887 default:
1888 rval = -EINVAL;
1889 break;
1890 }
1891 } else
1892 rval = -EINVAL;
1893
1894 return rval;
1895}
1896
1897static u8 bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num)
1898{
1899 struct bnx2x *bp = netdev_priv(netdev);
1900 DP(NETIF_MSG_LINK, "num tcs = %d; Not supported\n", num);
1901 return -EINVAL;
1902}
1903
1904static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev)
1905{
1906 struct bnx2x *bp = netdev_priv(netdev);
1907 DP(NETIF_MSG_LINK, "state = %d\n", bp->dcbx_local_feat.pfc.enabled);
1908
1909 if (!bp->dcb_state)
1910 return 0;
1911
1912 return bp->dcbx_local_feat.pfc.enabled;
1913}
1914
1915static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state)
1916{
1917 struct bnx2x *bp = netdev_priv(netdev);
1918 DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off");
1919
1920 if (!bnx2x_dcbnl_set_valid(bp))
1921 return;
1922
1923 bp->dcbx_config_params.admin_pfc_tx_enable =
1924 bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0);
1925}
1926
1927static void bnx2x_admin_app_set_ent(
1928 struct bnx2x_admin_priority_app_table *app_ent,
1929 u8 idtype, u16 idval, u8 up)
1930{
1931 app_ent->valid = 1;
1932
1933 switch (idtype) {
1934 case DCB_APP_IDTYPE_ETHTYPE:
1935 app_ent->traffic_type = TRAFFIC_TYPE_ETH;
1936 break;
1937 case DCB_APP_IDTYPE_PORTNUM:
1938 app_ent->traffic_type = TRAFFIC_TYPE_PORT;
1939 break;
1940 default:
1941 break; /* never gets here */
1942 }
1943 app_ent->app_id = idval;
1944 app_ent->priority = up;
1945}
1946
1947static bool bnx2x_admin_app_is_equal(
1948 struct bnx2x_admin_priority_app_table *app_ent,
1949 u8 idtype, u16 idval)
1950{
1951 if (!app_ent->valid)
1952 return false;
1953
1954 switch (idtype) {
1955 case DCB_APP_IDTYPE_ETHTYPE:
1956 if (app_ent->traffic_type != TRAFFIC_TYPE_ETH)
1957 return false;
1958 break;
1959 case DCB_APP_IDTYPE_PORTNUM:
1960 if (app_ent->traffic_type != TRAFFIC_TYPE_PORT)
1961 return false;
1962 break;
1963 default:
1964 return false;
1965 }
1966 if (app_ent->app_id != idval)
1967 return false;
1968
1969 return true;
1970}
1971
1972static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up)
1973{
1974 int i, ff;
1975
1976 /* iterate over the app entries looking for idtype and idval */
1977 for (i = 0, ff = -1; i < 4; i++) {
1978 struct bnx2x_admin_priority_app_table *app_ent =
1979 &bp->dcbx_config_params.admin_priority_app_table[i];
1980 if (bnx2x_admin_app_is_equal(app_ent, idtype, idval))
1981 break;
1982
1983 if (ff < 0 && !app_ent->valid)
1984 ff = i;
1985 }
1986 if (i < 4)
1987 /* if found overwrite up */
1988 bp->dcbx_config_params.
1989 admin_priority_app_table[i].priority = up;
1990 else if (ff >= 0)
1991 /* not found use first-free */
1992 bnx2x_admin_app_set_ent(
1993 &bp->dcbx_config_params.admin_priority_app_table[ff],
1994 idtype, idval, up);
1995 else
1996 /* app table is full */
1997 return -EBUSY;
1998
1999 /* up configured, if not 0 make sure feature is enabled */
2000 if (up)
2001 bp->dcbx_config_params.admin_application_priority_tx_enable = 1;
2002
2003 return 0;
2004}
2005
2006static u8 bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype,
2007 u16 idval, u8 up)
2008{
2009 struct bnx2x *bp = netdev_priv(netdev);
2010
2011 DP(NETIF_MSG_LINK, "app_type %d, app_id %x, prio bitmap %d\n",
2012 idtype, idval, up);
2013
2014 if (!bnx2x_dcbnl_set_valid(bp))
2015 return -EINVAL;
2016
2017 /* verify idtype */
2018 switch (idtype) {
2019 case DCB_APP_IDTYPE_ETHTYPE:
2020 case DCB_APP_IDTYPE_PORTNUM:
2021 break;
2022 default:
2023 return -EINVAL;
2024 }
2025 return bnx2x_set_admin_app_up(bp, idtype, idval, up);
2026}
2027
2028static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev)
2029{
2030 struct bnx2x *bp = netdev_priv(netdev);
2031 u8 state;
2032
2033 state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE;
2034
2035 if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF)
2036 state |= DCB_CAP_DCBX_STATIC;
2037
2038 return state;
2039}
2040
2041static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state)
2042{
2043 struct bnx2x *bp = netdev_priv(netdev);
2044 DP(NETIF_MSG_LINK, "state = %02x\n", state);
2045
2046 /* set dcbx mode */
2047
2048 if ((state & BNX2X_DCBX_CAPS) != state) {
2049 BNX2X_ERR("Requested DCBX mode %x is beyond advertised "
2050 "capabilities\n", state);
2051 return 1;
2052 }
2053
2054 if (bp->dcb_state != BNX2X_DCB_STATE_ON) {
2055 BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n");
2056 return 1;
2057 }
2058
2059 if (state & DCB_CAP_DCBX_STATIC)
2060 bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF;
2061 else
2062 bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON;
2063
2064 bp->dcbx_mode_uset = true;
2065 return 0;
2066}
2067
2068static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,
2069 u8 *flags)
2070{
2071 struct bnx2x *bp = netdev_priv(netdev);
2072 u8 rval = 0;
2073
2074 DP(NETIF_MSG_LINK, "featid %d\n", featid);
2075
2076 if (bp->dcb_state) {
2077 *flags = 0;
2078 switch (featid) {
2079 case DCB_FEATCFG_ATTR_PG:
2080 if (bp->dcbx_local_feat.ets.enabled)
2081 *flags |= DCB_FEATCFG_ENABLE;
2082 if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR)
2083 *flags |= DCB_FEATCFG_ERROR;
2084 break;
2085 case DCB_FEATCFG_ATTR_PFC:
2086 if (bp->dcbx_local_feat.pfc.enabled)
2087 *flags |= DCB_FEATCFG_ENABLE;
2088 if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR |
2089 DCBX_LOCAL_PFC_MISMATCH))
2090 *flags |= DCB_FEATCFG_ERROR;
2091 break;
2092 case DCB_FEATCFG_ATTR_APP:
2093 if (bp->dcbx_local_feat.app.enabled)
2094 *flags |= DCB_FEATCFG_ENABLE;
2095 if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR |
2096 DCBX_LOCAL_APP_MISMATCH))
2097 *flags |= DCB_FEATCFG_ERROR;
2098 break;
2099 default:
2100 rval = -EINVAL;
2101 break;
2102 }
2103 } else
2104 rval = -EINVAL;
2105
2106 return rval;
2107}
2108
2109static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid,
2110 u8 flags)
2111{
2112 struct bnx2x *bp = netdev_priv(netdev);
2113 u8 rval = 0;
2114
2115 DP(NETIF_MSG_LINK, "featid = %d flags = %02x\n", featid, flags);
2116
2117 /* ignore the 'advertise' flag */
2118 if (bnx2x_dcbnl_set_valid(bp)) {
2119 switch (featid) {
2120 case DCB_FEATCFG_ATTR_PG:
2121 bp->dcbx_config_params.admin_ets_enable =
2122 flags & DCB_FEATCFG_ENABLE ? 1 : 0;
2123 bp->dcbx_config_params.admin_ets_willing =
2124 flags & DCB_FEATCFG_WILLING ? 1 : 0;
2125 break;
2126 case DCB_FEATCFG_ATTR_PFC:
2127 bp->dcbx_config_params.admin_pfc_enable =
2128 flags & DCB_FEATCFG_ENABLE ? 1 : 0;
2129 bp->dcbx_config_params.admin_pfc_willing =
2130 flags & DCB_FEATCFG_WILLING ? 1 : 0;
2131 break;
2132 case DCB_FEATCFG_ATTR_APP:
2133 /* ignore enable, always enabled */
2134 bp->dcbx_config_params.admin_app_priority_willing =
2135 flags & DCB_FEATCFG_WILLING ? 1 : 0;
2136 break;
2137 default:
2138 rval = -EINVAL;
2139 break;
2140 }
2141 } else
2142 rval = -EINVAL;
2143
2144 return rval;
2145}
2146
2147static int bnx2x_peer_appinfo(struct net_device *netdev,
2148 struct dcb_peer_app_info *info, u16* app_count)
2149{
2150 int i;
2151 struct bnx2x *bp = netdev_priv(netdev);
2152
2153 DP(NETIF_MSG_LINK, "APP-INFO\n");
2154
2155 info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0;
2156 info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0;
2157 *app_count = 0;
2158
2159 for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++)
2160 if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield &
2161 DCBX_APP_ENTRY_VALID)
2162 (*app_count)++;
2163 return 0;
2164}
2165
2166static int bnx2x_peer_apptable(struct net_device *netdev,
2167 struct dcb_app *table)
2168{
2169 int i, j;
2170 struct bnx2x *bp = netdev_priv(netdev);
2171
2172 DP(NETIF_MSG_LINK, "APP-TABLE\n");
2173
2174 for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
2175 struct dcbx_app_priority_entry *ent =
2176 &bp->dcbx_remote_feat.app.app_pri_tbl[i];
2177
2178 if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
2179 table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
2180 table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent);
2181 table[j++].protocol = ent->app_id;
2182 }
2183 }
2184 return 0;
2185}
2186
2187static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg)
2188{
2189 int i;
2190 struct bnx2x *bp = netdev_priv(netdev);
2191
2192 pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0;
2193
2194 for (i = 0; i < CEE_DCBX_MAX_PGS; i++) {
2195 pg->pg_bw[i] =
2196 DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i);
2197 pg->prio_pg[i] =
2198 DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i);
2199 }
2200 return 0;
2201}
2202
2203static int bnx2x_cee_peer_getpfc(struct net_device *netdev,
2204 struct cee_pfc *pfc)
2205{
2206 struct bnx2x *bp = netdev_priv(netdev);
2207 pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps;
2208 pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap;
2209 return 0;
2210}
2211
2212const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = {
2213 .getstate = bnx2x_dcbnl_get_state,
2214 .setstate = bnx2x_dcbnl_set_state,
2215 .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr,
2216 .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx,
2217 .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx,
2218 .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx,
2219 .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx,
2220 .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx,
2221 .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx,
2222 .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx,
2223 .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx,
2224 .setpfccfg = bnx2x_dcbnl_set_pfc_cfg,
2225 .getpfccfg = bnx2x_dcbnl_get_pfc_cfg,
2226 .setall = bnx2x_dcbnl_set_all,
2227 .getcap = bnx2x_dcbnl_get_cap,
2228 .getnumtcs = bnx2x_dcbnl_get_numtcs,
2229 .setnumtcs = bnx2x_dcbnl_set_numtcs,
2230 .getpfcstate = bnx2x_dcbnl_get_pfc_state,
2231 .setpfcstate = bnx2x_dcbnl_set_pfc_state,
2232 .setapp = bnx2x_dcbnl_set_app_up,
2233 .getdcbx = bnx2x_dcbnl_get_dcbx,
2234 .setdcbx = bnx2x_dcbnl_set_dcbx,
2235 .getfeatcfg = bnx2x_dcbnl_get_featcfg,
2236 .setfeatcfg = bnx2x_dcbnl_set_featcfg,
2237 .peer_getappinfo = bnx2x_peer_appinfo,
2238 .peer_getapptable = bnx2x_peer_apptable,
2239 .cee_peer_getpg = bnx2x_cee_peer_getpg,
2240 .cee_peer_getpfc = bnx2x_cee_peer_getpfc,
2241};
2242
2243#endif /* BCM_DCBNL */
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-03 16:23:08 -0400