diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_dcb.c')
-rw-r--r-- | drivers/net/bnx2x/bnx2x_dcb.c | 1491 |
1 files changed, 1491 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..0b86480379ff --- /dev/null +++ b/drivers/net/bnx2x/bnx2x_dcb.c | |||
@@ -0,0 +1,1491 @@ | |||
1 | /* bnx2x_dcb.c: Broadcom Everest network driver. | ||
2 | * | ||
3 | * Copyright 2009-2010 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 | |||
23 | #include "bnx2x.h" | ||
24 | #include "bnx2x_cmn.h" | ||
25 | #include "bnx2x_dcb.h" | ||
26 | |||
27 | |||
28 | /* forward declarations of dcbx related functions */ | ||
29 | static void bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); | ||
30 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp); | ||
31 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); | ||
32 | static void bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); | ||
33 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, | ||
34 | u32 *set_configuration_ets_pg, | ||
35 | u32 *pri_pg_tbl); | ||
36 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, | ||
37 | u32 *pg_pri_orginal_spread, | ||
38 | struct pg_help_data *help_data); | ||
39 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, | ||
40 | struct pg_help_data *help_data, | ||
41 | struct dcbx_ets_feature *ets, | ||
42 | u32 *pg_pri_orginal_spread); | ||
43 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, | ||
44 | struct cos_help_data *cos_data, | ||
45 | u32 *pg_pri_orginal_spread, | ||
46 | struct dcbx_ets_feature *ets); | ||
47 | static void bnx2x_pfc_fw_struct_e2(struct bnx2x *bp); | ||
48 | |||
49 | |||
50 | static void bnx2x_pfc_set(struct bnx2x *bp) | ||
51 | { | ||
52 | struct bnx2x_nig_brb_pfc_port_params pfc_params = {0}; | ||
53 | u32 pri_bit, val = 0; | ||
54 | u8 pri; | ||
55 | |||
56 | /* Tx COS configuration */ | ||
57 | if (bp->dcbx_port_params.ets.cos_params[0].pauseable) | ||
58 | pfc_params.rx_cos0_priority_mask = | ||
59 | bp->dcbx_port_params.ets.cos_params[0].pri_bitmask; | ||
60 | if (bp->dcbx_port_params.ets.cos_params[1].pauseable) | ||
61 | pfc_params.rx_cos1_priority_mask = | ||
62 | bp->dcbx_port_params.ets.cos_params[1].pri_bitmask; | ||
63 | |||
64 | |||
65 | /** | ||
66 | * Rx COS configuration | ||
67 | * Changing PFC RX configuration . | ||
68 | * In RX COS0 will always be configured to lossy and COS1 to lossless | ||
69 | */ | ||
70 | for (pri = 0 ; pri < MAX_PFC_PRIORITIES ; pri++) { | ||
71 | pri_bit = 1 << pri; | ||
72 | |||
73 | if (pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp)) | ||
74 | val |= 1 << (pri * 4); | ||
75 | } | ||
76 | |||
77 | pfc_params.pkt_priority_to_cos = val; | ||
78 | |||
79 | /* RX COS0 */ | ||
80 | pfc_params.llfc_low_priority_classes = 0; | ||
81 | /* RX COS1 */ | ||
82 | pfc_params.llfc_high_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp); | ||
83 | |||
84 | /* BRB configuration */ | ||
85 | pfc_params.cos0_pauseable = false; | ||
86 | pfc_params.cos1_pauseable = true; | ||
87 | |||
88 | bnx2x_acquire_phy_lock(bp); | ||
89 | bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED; | ||
90 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params); | ||
91 | bnx2x_release_phy_lock(bp); | ||
92 | } | ||
93 | |||
94 | static void bnx2x_pfc_clear(struct bnx2x *bp) | ||
95 | { | ||
96 | struct bnx2x_nig_brb_pfc_port_params nig_params = {0}; | ||
97 | nig_params.pause_enable = 1; | ||
98 | #ifdef BNX2X_SAFC | ||
99 | if (bp->flags & SAFC_TX_FLAG) { | ||
100 | u32 high = 0, low = 0; | ||
101 | int i; | ||
102 | |||
103 | for (i = 0; i < BNX2X_MAX_PRIORITY; i++) { | ||
104 | if (bp->pri_map[i] == 1) | ||
105 | high |= (1 << i); | ||
106 | if (bp->pri_map[i] == 0) | ||
107 | low |= (1 << i); | ||
108 | } | ||
109 | |||
110 | nig_params.llfc_low_priority_classes = high; | ||
111 | nig_params.llfc_low_priority_classes = low; | ||
112 | |||
113 | nig_params.pause_enable = 0; | ||
114 | nig_params.llfc_enable = 1; | ||
115 | nig_params.llfc_out_en = 1; | ||
116 | } | ||
117 | #endif /* BNX2X_SAFC */ | ||
118 | bnx2x_acquire_phy_lock(bp); | ||
119 | bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED; | ||
120 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params); | ||
121 | bnx2x_release_phy_lock(bp); | ||
122 | } | ||
123 | |||
124 | static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp, | ||
125 | struct dcbx_features *features, | ||
126 | u32 error) | ||
127 | { | ||
128 | u8 i = 0; | ||
129 | DP(NETIF_MSG_LINK, "local_mib.error %x\n", error); | ||
130 | |||
131 | /* PG */ | ||
132 | DP(NETIF_MSG_LINK, | ||
133 | "local_mib.features.ets.enabled %x\n", features->ets.enabled); | ||
134 | for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) | ||
135 | DP(NETIF_MSG_LINK, | ||
136 | "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i, | ||
137 | DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i)); | ||
138 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) | ||
139 | DP(NETIF_MSG_LINK, | ||
140 | "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i, | ||
141 | DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i)); | ||
142 | |||
143 | /* pfc */ | ||
144 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pri_en_bitmap %x\n", | ||
145 | features->pfc.pri_en_bitmap); | ||
146 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pfc_caps %x\n", | ||
147 | features->pfc.pfc_caps); | ||
148 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.enabled %x\n", | ||
149 | features->pfc.enabled); | ||
150 | |||
151 | DP(NETIF_MSG_LINK, "dcbx_features.app.default_pri %x\n", | ||
152 | features->app.default_pri); | ||
153 | DP(NETIF_MSG_LINK, "dcbx_features.app.tc_supported %x\n", | ||
154 | features->app.tc_supported); | ||
155 | DP(NETIF_MSG_LINK, "dcbx_features.app.enabled %x\n", | ||
156 | features->app.enabled); | ||
157 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | ||
158 | DP(NETIF_MSG_LINK, | ||
159 | "dcbx_features.app.app_pri_tbl[%x].app_id %x\n", | ||
160 | i, features->app.app_pri_tbl[i].app_id); | ||
161 | DP(NETIF_MSG_LINK, | ||
162 | "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n", | ||
163 | i, features->app.app_pri_tbl[i].pri_bitmap); | ||
164 | DP(NETIF_MSG_LINK, | ||
165 | "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n", | ||
166 | i, features->app.app_pri_tbl[i].appBitfield); | ||
167 | } | ||
168 | } | ||
169 | |||
170 | static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp, | ||
171 | u8 pri_bitmap, | ||
172 | u8 llfc_traf_type) | ||
173 | { | ||
174 | u32 pri = MAX_PFC_PRIORITIES; | ||
175 | u32 index = MAX_PFC_PRIORITIES - 1; | ||
176 | u32 pri_mask; | ||
177 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | ||
178 | |||
179 | /* Choose the highest priority */ | ||
180 | while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) { | ||
181 | pri_mask = 1 << index; | ||
182 | if (GET_FLAGS(pri_bitmap, pri_mask)) | ||
183 | pri = index ; | ||
184 | index--; | ||
185 | } | ||
186 | |||
187 | if (pri < MAX_PFC_PRIORITIES) | ||
188 | ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri); | ||
189 | } | ||
190 | |||
191 | static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp, | ||
192 | struct dcbx_app_priority_feature *app, | ||
193 | u32 error) { | ||
194 | u8 index; | ||
195 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | ||
196 | |||
197 | if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) | ||
198 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_ERROR\n"); | ||
199 | |||
200 | if (app->enabled && !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) { | ||
201 | |||
202 | bp->dcbx_port_params.app.enabled = true; | ||
203 | |||
204 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) | ||
205 | ttp[index] = 0; | ||
206 | |||
207 | if (app->default_pri < MAX_PFC_PRIORITIES) | ||
208 | ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri; | ||
209 | |||
210 | for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) { | ||
211 | struct dcbx_app_priority_entry *entry = | ||
212 | app->app_pri_tbl; | ||
213 | |||
214 | if (GET_FLAGS(entry[index].appBitfield, | ||
215 | DCBX_APP_SF_ETH_TYPE) && | ||
216 | ETH_TYPE_FCOE == entry[index].app_id) | ||
217 | bnx2x_dcbx_get_ap_priority(bp, | ||
218 | entry[index].pri_bitmap, | ||
219 | LLFC_TRAFFIC_TYPE_FCOE); | ||
220 | |||
221 | if (GET_FLAGS(entry[index].appBitfield, | ||
222 | DCBX_APP_SF_PORT) && | ||
223 | TCP_PORT_ISCSI == entry[index].app_id) | ||
224 | bnx2x_dcbx_get_ap_priority(bp, | ||
225 | entry[index].pri_bitmap, | ||
226 | LLFC_TRAFFIC_TYPE_ISCSI); | ||
227 | } | ||
228 | } else { | ||
229 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_DISABLED\n"); | ||
230 | bp->dcbx_port_params.app.enabled = false; | ||
231 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) | ||
232 | ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY; | ||
233 | } | ||
234 | } | ||
235 | |||
236 | static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, | ||
237 | struct dcbx_ets_feature *ets, | ||
238 | u32 error) { | ||
239 | int i = 0; | ||
240 | u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0}; | ||
241 | struct pg_help_data pg_help_data; | ||
242 | struct bnx2x_dcbx_cos_params *cos_params = | ||
243 | bp->dcbx_port_params.ets.cos_params; | ||
244 | |||
245 | memset(&pg_help_data, 0, sizeof(struct pg_help_data)); | ||
246 | |||
247 | |||
248 | if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR)) | ||
249 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ERROR\n"); | ||
250 | |||
251 | |||
252 | /* Clean up old settings of ets on COS */ | ||
253 | for (i = 0; i < E2_NUM_OF_COS ; i++) { | ||
254 | |||
255 | cos_params[i].pauseable = false; | ||
256 | cos_params[i].strict = BNX2X_DCBX_COS_NOT_STRICT; | ||
257 | cos_params[i].bw_tbl = DCBX_INVALID_COS_BW; | ||
258 | cos_params[i].pri_bitmask = DCBX_PFC_PRI_GET_NON_PAUSE(bp, 0); | ||
259 | } | ||
260 | |||
261 | if (bp->dcbx_port_params.app.enabled && | ||
262 | !GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR) && | ||
263 | ets->enabled) { | ||
264 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ENABLE\n"); | ||
265 | bp->dcbx_port_params.ets.enabled = true; | ||
266 | |||
267 | bnx2x_dcbx_get_ets_pri_pg_tbl(bp, | ||
268 | pg_pri_orginal_spread, | ||
269 | ets->pri_pg_tbl); | ||
270 | |||
271 | bnx2x_dcbx_get_num_pg_traf_type(bp, | ||
272 | pg_pri_orginal_spread, | ||
273 | &pg_help_data); | ||
274 | |||
275 | bnx2x_dcbx_fill_cos_params(bp, &pg_help_data, | ||
276 | ets, pg_pri_orginal_spread); | ||
277 | |||
278 | } else { | ||
279 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_DISABLED\n"); | ||
280 | bp->dcbx_port_params.ets.enabled = false; | ||
281 | ets->pri_pg_tbl[0] = 0; | ||
282 | |||
283 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++) | ||
284 | DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1); | ||
285 | } | ||
286 | } | ||
287 | |||
288 | static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, | ||
289 | struct dcbx_pfc_feature *pfc, u32 error) | ||
290 | { | ||
291 | |||
292 | if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) | ||
293 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_ERROR\n"); | ||
294 | |||
295 | if (bp->dcbx_port_params.app.enabled && | ||
296 | !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR) && | ||
297 | pfc->enabled) { | ||
298 | bp->dcbx_port_params.pfc.enabled = true; | ||
299 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = | ||
300 | ~(pfc->pri_en_bitmap); | ||
301 | } else { | ||
302 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_DISABLED\n"); | ||
303 | bp->dcbx_port_params.pfc.enabled = false; | ||
304 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0; | ||
305 | } | ||
306 | } | ||
307 | |||
308 | static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp, | ||
309 | struct dcbx_features *features, | ||
310 | u32 error) | ||
311 | { | ||
312 | bnx2x_dcbx_get_ap_feature(bp, &features->app, error); | ||
313 | |||
314 | bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error); | ||
315 | |||
316 | bnx2x_dcbx_get_ets_feature(bp, &features->ets, error); | ||
317 | } | ||
318 | |||
319 | #define DCBX_LOCAL_MIB_MAX_TRY_READ (100) | ||
320 | static int bnx2x_dcbx_read_mib(struct bnx2x *bp, | ||
321 | u32 *base_mib_addr, | ||
322 | u32 offset, | ||
323 | int read_mib_type) | ||
324 | { | ||
325 | int max_try_read = 0, i; | ||
326 | u32 *buff, mib_size, prefix_seq_num, suffix_seq_num; | ||
327 | struct lldp_remote_mib *remote_mib ; | ||
328 | struct lldp_local_mib *local_mib; | ||
329 | |||
330 | |||
331 | switch (read_mib_type) { | ||
332 | case DCBX_READ_LOCAL_MIB: | ||
333 | mib_size = sizeof(struct lldp_local_mib); | ||
334 | break; | ||
335 | case DCBX_READ_REMOTE_MIB: | ||
336 | mib_size = sizeof(struct lldp_remote_mib); | ||
337 | break; | ||
338 | default: | ||
339 | return 1; /*error*/ | ||
340 | } | ||
341 | |||
342 | offset += BP_PORT(bp) * mib_size; | ||
343 | |||
344 | do { | ||
345 | buff = base_mib_addr; | ||
346 | for (i = 0; i < mib_size; i += 4, buff++) | ||
347 | *buff = REG_RD(bp, offset + i); | ||
348 | |||
349 | max_try_read++; | ||
350 | |||
351 | switch (read_mib_type) { | ||
352 | case DCBX_READ_LOCAL_MIB: | ||
353 | local_mib = (struct lldp_local_mib *) base_mib_addr; | ||
354 | prefix_seq_num = local_mib->prefix_seq_num; | ||
355 | suffix_seq_num = local_mib->suffix_seq_num; | ||
356 | break; | ||
357 | case DCBX_READ_REMOTE_MIB: | ||
358 | remote_mib = (struct lldp_remote_mib *) base_mib_addr; | ||
359 | prefix_seq_num = remote_mib->prefix_seq_num; | ||
360 | suffix_seq_num = remote_mib->suffix_seq_num; | ||
361 | break; | ||
362 | default: | ||
363 | return 1; /*error*/ | ||
364 | } | ||
365 | } while ((prefix_seq_num != suffix_seq_num) && | ||
366 | (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ)); | ||
367 | |||
368 | if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) { | ||
369 | BNX2X_ERR("MIB could not be read\n"); | ||
370 | return 1; | ||
371 | } | ||
372 | |||
373 | return 0; | ||
374 | } | ||
375 | |||
376 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp) | ||
377 | { | ||
378 | if (CHIP_IS_E2(bp)) { | ||
379 | if (BP_PORT(bp)) { | ||
380 | BNX2X_ERR("4 port mode is not supported"); | ||
381 | return; | ||
382 | } | ||
383 | |||
384 | if (bp->dcbx_port_params.pfc.enabled) | ||
385 | |||
386 | /* 1. Fills up common PFC structures if required.*/ | ||
387 | /* 2. Configure NIG, MAC and BRB via the elink: | ||
388 | * elink must first check if BMAC is not in reset | ||
389 | * and only then configures the BMAC | ||
390 | * Or, configure EMAC. | ||
391 | */ | ||
392 | bnx2x_pfc_set(bp); | ||
393 | |||
394 | else | ||
395 | bnx2x_pfc_clear(bp); | ||
396 | } | ||
397 | } | ||
398 | |||
399 | static void bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) | ||
400 | { | ||
401 | DP(NETIF_MSG_LINK, "sending STOP TRAFFIC\n"); | ||
402 | bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, | ||
403 | 0 /* connectionless */, | ||
404 | 0 /* dataHi is zero */, | ||
405 | 0 /* dataLo is zero */, | ||
406 | 1 /* common */); | ||
407 | } | ||
408 | |||
409 | static void bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) | ||
410 | { | ||
411 | bnx2x_pfc_fw_struct_e2(bp); | ||
412 | DP(NETIF_MSG_LINK, "sending START TRAFFIC\n"); | ||
413 | bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_START_TRAFFIC, | ||
414 | 0, /* connectionless */ | ||
415 | U64_HI(bnx2x_sp_mapping(bp, pfc_config)), | ||
416 | U64_LO(bnx2x_sp_mapping(bp, pfc_config)), | ||
417 | 1 /* commmon */); | ||
418 | } | ||
419 | |||
420 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) | ||
421 | { | ||
422 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); | ||
423 | u8 status = 0; | ||
424 | |||
425 | bnx2x_ets_disabled(&bp->link_params); | ||
426 | |||
427 | if (!ets->enabled) | ||
428 | return; | ||
429 | |||
430 | if ((ets->num_of_cos == 0) || (ets->num_of_cos > E2_NUM_OF_COS)) { | ||
431 | BNX2X_ERR("illegal num of cos= %x", ets->num_of_cos); | ||
432 | return; | ||
433 | } | ||
434 | |||
435 | /* valid COS entries */ | ||
436 | if (ets->num_of_cos == 1) /* no ETS */ | ||
437 | return; | ||
438 | |||
439 | /* sanity */ | ||
440 | if (((BNX2X_DCBX_COS_NOT_STRICT == ets->cos_params[0].strict) && | ||
441 | (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) || | ||
442 | ((BNX2X_DCBX_COS_NOT_STRICT == ets->cos_params[1].strict) && | ||
443 | (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) { | ||
444 | BNX2X_ERR("all COS should have at least bw_limit or strict" | ||
445 | "ets->cos_params[0].strict= %x" | ||
446 | "ets->cos_params[0].bw_tbl= %x" | ||
447 | "ets->cos_params[1].strict= %x" | ||
448 | "ets->cos_params[1].bw_tbl= %x", | ||
449 | ets->cos_params[0].strict, | ||
450 | ets->cos_params[0].bw_tbl, | ||
451 | ets->cos_params[1].strict, | ||
452 | ets->cos_params[1].bw_tbl); | ||
453 | return; | ||
454 | } | ||
455 | /* If we join a group and there is bw_tbl and strict then bw rules */ | ||
456 | if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) && | ||
457 | (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) { | ||
458 | u32 bw_tbl_0 = ets->cos_params[0].bw_tbl; | ||
459 | u32 bw_tbl_1 = ets->cos_params[1].bw_tbl; | ||
460 | /* Do not allow 0-100 configuration | ||
461 | * since PBF does not support it | ||
462 | * force 1-99 instead | ||
463 | */ | ||
464 | if (bw_tbl_0 == 0) { | ||
465 | bw_tbl_0 = 1; | ||
466 | bw_tbl_1 = 99; | ||
467 | } else if (bw_tbl_1 == 0) { | ||
468 | bw_tbl_1 = 1; | ||
469 | bw_tbl_0 = 99; | ||
470 | } | ||
471 | |||
472 | bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1); | ||
473 | } else { | ||
474 | if (ets->cos_params[0].strict == BNX2X_DCBX_COS_HIGH_STRICT) | ||
475 | status = bnx2x_ets_strict(&bp->link_params, 0); | ||
476 | else if (ets->cos_params[1].strict | ||
477 | == BNX2X_DCBX_COS_HIGH_STRICT) | ||
478 | status = bnx2x_ets_strict(&bp->link_params, 1); | ||
479 | |||
480 | if (status) | ||
481 | BNX2X_ERR("update_ets_params failed\n"); | ||
482 | } | ||
483 | } | ||
484 | |||
485 | static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) | ||
486 | { | ||
487 | struct lldp_local_mib local_mib = {0}; | ||
488 | u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset); | ||
489 | int rc; | ||
490 | |||
491 | DP(NETIF_MSG_LINK, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset); | ||
492 | |||
493 | if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) { | ||
494 | BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n"); | ||
495 | return -EINVAL; | ||
496 | } | ||
497 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset, | ||
498 | DCBX_READ_LOCAL_MIB); | ||
499 | |||
500 | if (rc) { | ||
501 | BNX2X_ERR("Faild to read local mib from FW\n"); | ||
502 | return rc; | ||
503 | } | ||
504 | |||
505 | /* save features and error */ | ||
506 | bp->dcbx_local_feat = local_mib.features; | ||
507 | bp->dcbx_error = local_mib.error; | ||
508 | return 0; | ||
509 | } | ||
510 | |||
511 | void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) | ||
512 | { | ||
513 | switch (state) { | ||
514 | case BNX2X_DCBX_STATE_NEG_RECEIVED: | ||
515 | { | ||
516 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n"); | ||
517 | |||
518 | /* Read neg results if dcbx is in the FW */ | ||
519 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) | ||
520 | return; | ||
521 | |||
522 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, | ||
523 | bp->dcbx_error); | ||
524 | |||
525 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, | ||
526 | bp->dcbx_error); | ||
527 | |||
528 | if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) { | ||
529 | bnx2x_dcbx_stop_hw_tx(bp); | ||
530 | return; | ||
531 | } | ||
532 | /* fall through */ | ||
533 | } | ||
534 | case BNX2X_DCBX_STATE_TX_PAUSED: | ||
535 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_PAUSED\n"); | ||
536 | bnx2x_pfc_set_pfc(bp); | ||
537 | |||
538 | bnx2x_dcbx_update_ets_params(bp); | ||
539 | if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) { | ||
540 | bnx2x_dcbx_resume_hw_tx(bp); | ||
541 | return; | ||
542 | } | ||
543 | /* fall through */ | ||
544 | case BNX2X_DCBX_STATE_TX_RELEASED: | ||
545 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_RELEASED\n"); | ||
546 | if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) | ||
547 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0); | ||
548 | |||
549 | return; | ||
550 | default: | ||
551 | BNX2X_ERR("Unknown DCBX_STATE\n"); | ||
552 | } | ||
553 | } | ||
554 | |||
555 | |||
556 | #define LLDP_STATS_OFFSET(bp) (BP_PORT(bp)*\ | ||
557 | sizeof(struct lldp_dcbx_stat)) | ||
558 | |||
559 | /* calculate struct offset in array according to chip information */ | ||
560 | #define LLDP_PARAMS_OFFSET(bp) (BP_PORT(bp)*sizeof(struct lldp_params)) | ||
561 | |||
562 | #define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \ | ||
563 | BP_PORT(bp)*sizeof(struct lldp_admin_mib)) | ||
564 | |||
565 | static void bnx2x_dcbx_lldp_updated_params(struct bnx2x *bp, | ||
566 | u32 dcbx_lldp_params_offset) | ||
567 | { | ||
568 | struct lldp_params lldp_params = {0}; | ||
569 | u32 i = 0, *buff = NULL; | ||
570 | u32 offset = dcbx_lldp_params_offset + LLDP_PARAMS_OFFSET(bp); | ||
571 | |||
572 | DP(NETIF_MSG_LINK, "lldp_offset 0x%x\n", offset); | ||
573 | |||
574 | if ((bp->lldp_config_params.overwrite_settings == | ||
575 | BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE)) { | ||
576 | /* Read the data first */ | ||
577 | buff = (u32 *)&lldp_params; | ||
578 | for (i = 0; i < sizeof(struct lldp_params); i += 4, buff++) | ||
579 | *buff = REG_RD(bp, (offset + i)); | ||
580 | |||
581 | lldp_params.msg_tx_hold = | ||
582 | (u8)bp->lldp_config_params.msg_tx_hold; | ||
583 | lldp_params.msg_fast_tx_interval = | ||
584 | (u8)bp->lldp_config_params.msg_fast_tx; | ||
585 | lldp_params.tx_crd_max = | ||
586 | (u8)bp->lldp_config_params.tx_credit_max; | ||
587 | lldp_params.msg_tx_interval = | ||
588 | (u8)bp->lldp_config_params.msg_tx_interval; | ||
589 | lldp_params.tx_fast = | ||
590 | (u8)bp->lldp_config_params.tx_fast; | ||
591 | |||
592 | /* Write the data.*/ | ||
593 | buff = (u32 *)&lldp_params; | ||
594 | for (i = 0; i < sizeof(struct lldp_params); i += 4, buff++) | ||
595 | REG_WR(bp, (offset + i) , *buff); | ||
596 | |||
597 | |||
598 | } else if (BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE == | ||
599 | bp->lldp_config_params.overwrite_settings) | ||
600 | bp->lldp_config_params.overwrite_settings = | ||
601 | BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID; | ||
602 | } | ||
603 | |||
604 | static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, | ||
605 | u32 dcbx_lldp_params_offset) | ||
606 | { | ||
607 | struct lldp_admin_mib admin_mib; | ||
608 | u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0; | ||
609 | u32 *buff; | ||
610 | u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp); | ||
611 | |||
612 | /*shortcuts*/ | ||
613 | struct dcbx_features *af = &admin_mib.features; | ||
614 | struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params; | ||
615 | |||
616 | memset(&admin_mib, 0, sizeof(struct lldp_admin_mib)); | ||
617 | buff = (u32 *)&admin_mib; | ||
618 | /* Read the data first */ | ||
619 | for (i = 0; i < sizeof(struct lldp_admin_mib); i += 4, buff++) | ||
620 | *buff = REG_RD(bp, (offset + i)); | ||
621 | |||
622 | |||
623 | if (BNX2X_DCBX_CONFIG_INV_VALUE != dp->admin_dcbx_enable) { | ||
624 | if (dp->admin_dcbx_enable) | ||
625 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); | ||
626 | else | ||
627 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); | ||
628 | } | ||
629 | |||
630 | if ((BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE == | ||
631 | dp->overwrite_settings)) { | ||
632 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK); | ||
633 | admin_mib.ver_cfg_flags |= | ||
634 | (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) & | ||
635 | DCBX_CEE_VERSION_MASK; | ||
636 | |||
637 | af->ets.enabled = (u8)dp->admin_ets_enable; | ||
638 | |||
639 | af->pfc.enabled = (u8)dp->admin_pfc_enable; | ||
640 | |||
641 | /* FOR IEEE dp->admin_tc_supported_tx_enable */ | ||
642 | if (dp->admin_ets_configuration_tx_enable) | ||
643 | SET_FLAGS(admin_mib.ver_cfg_flags, | ||
644 | DCBX_ETS_CONFIG_TX_ENABLED); | ||
645 | else | ||
646 | RESET_FLAGS(admin_mib.ver_cfg_flags, | ||
647 | DCBX_ETS_CONFIG_TX_ENABLED); | ||
648 | /* For IEEE admin_ets_recommendation_tx_enable */ | ||
649 | if (dp->admin_pfc_tx_enable) | ||
650 | SET_FLAGS(admin_mib.ver_cfg_flags, | ||
651 | DCBX_PFC_CONFIG_TX_ENABLED); | ||
652 | else | ||
653 | RESET_FLAGS(admin_mib.ver_cfg_flags, | ||
654 | DCBX_PFC_CONFIG_TX_ENABLED); | ||
655 | |||
656 | if (dp->admin_application_priority_tx_enable) | ||
657 | SET_FLAGS(admin_mib.ver_cfg_flags, | ||
658 | DCBX_APP_CONFIG_TX_ENABLED); | ||
659 | else | ||
660 | RESET_FLAGS(admin_mib.ver_cfg_flags, | ||
661 | DCBX_APP_CONFIG_TX_ENABLED); | ||
662 | |||
663 | if (dp->admin_ets_willing) | ||
664 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); | ||
665 | else | ||
666 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); | ||
667 | /* For IEEE admin_ets_reco_valid */ | ||
668 | if (dp->admin_pfc_willing) | ||
669 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); | ||
670 | else | ||
671 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); | ||
672 | |||
673 | if (dp->admin_app_priority_willing) | ||
674 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); | ||
675 | else | ||
676 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); | ||
677 | |||
678 | for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) { | ||
679 | DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i, | ||
680 | (u8)dp->admin_configuration_bw_precentage[i]); | ||
681 | |||
682 | DP(NETIF_MSG_LINK, "pg_bw_tbl[%d] = %02x\n", | ||
683 | i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i)); | ||
684 | } | ||
685 | |||
686 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { | ||
687 | DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i, | ||
688 | (u8)dp->admin_configuration_ets_pg[i]); | ||
689 | |||
690 | DP(NETIF_MSG_LINK, "pri_pg_tbl[%d] = %02x\n", | ||
691 | i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); | ||
692 | } | ||
693 | |||
694 | /*For IEEE admin_recommendation_bw_precentage | ||
695 | *For IEEE admin_recommendation_ets_pg */ | ||
696 | af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap; | ||
697 | for (i = 0; i < 4; i++) { | ||
698 | if (dp->admin_priority_app_table[i].valid) { | ||
699 | struct bnx2x_admin_priority_app_table *table = | ||
700 | dp->admin_priority_app_table; | ||
701 | if ((ETH_TYPE_FCOE == table[i].app_id) && | ||
702 | (TRAFFIC_TYPE_ETH == table[i].traffic_type)) | ||
703 | traf_type = FCOE_APP_IDX; | ||
704 | else if ((TCP_PORT_ISCSI == table[i].app_id) && | ||
705 | (TRAFFIC_TYPE_PORT == table[i].traffic_type)) | ||
706 | traf_type = ISCSI_APP_IDX; | ||
707 | else | ||
708 | traf_type = other_traf_type++; | ||
709 | |||
710 | af->app.app_pri_tbl[traf_type].app_id = | ||
711 | table[i].app_id; | ||
712 | |||
713 | af->app.app_pri_tbl[traf_type].pri_bitmap = | ||
714 | (u8)(1 << table[i].priority); | ||
715 | |||
716 | af->app.app_pri_tbl[traf_type].appBitfield = | ||
717 | (DCBX_APP_ENTRY_VALID); | ||
718 | |||
719 | af->app.app_pri_tbl[traf_type].appBitfield |= | ||
720 | (TRAFFIC_TYPE_ETH == table[i].traffic_type) ? | ||
721 | DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT; | ||
722 | } | ||
723 | } | ||
724 | |||
725 | af->app.default_pri = (u8)dp->admin_default_priority; | ||
726 | |||
727 | } else if (BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE == | ||
728 | dp->overwrite_settings) | ||
729 | dp->overwrite_settings = BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID; | ||
730 | |||
731 | /* Write the data. */ | ||
732 | buff = (u32 *)&admin_mib; | ||
733 | for (i = 0; i < sizeof(struct lldp_admin_mib); i += 4, buff++) | ||
734 | REG_WR(bp, (offset + i), *buff); | ||
735 | } | ||
736 | |||
737 | /* default */ | ||
738 | void bnx2x_dcbx_init_params(struct bnx2x *bp) | ||
739 | { | ||
740 | bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */ | ||
741 | bp->dcbx_config_params.dcb_enable = 1; | ||
742 | bp->dcbx_config_params.admin_dcbx_enable = 1; | ||
743 | bp->dcbx_config_params.admin_ets_willing = 1; | ||
744 | bp->dcbx_config_params.admin_pfc_willing = 1; | ||
745 | bp->dcbx_config_params.overwrite_settings = 1; | ||
746 | bp->dcbx_config_params.admin_ets_enable = 1; | ||
747 | bp->dcbx_config_params.admin_pfc_enable = 1; | ||
748 | bp->dcbx_config_params.admin_tc_supported_tx_enable = 1; | ||
749 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | ||
750 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; | ||
751 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; | ||
752 | bp->dcbx_config_params.admin_ets_reco_valid = 1; | ||
753 | bp->dcbx_config_params.admin_app_priority_willing = 1; | ||
754 | bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 00; | ||
755 | bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 50; | ||
756 | bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 50; | ||
757 | bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0; | ||
758 | bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0; | ||
759 | bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0; | ||
760 | bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0; | ||
761 | bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0; | ||
762 | bp->dcbx_config_params.admin_configuration_ets_pg[0] = 1; | ||
763 | bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0; | ||
764 | bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0; | ||
765 | bp->dcbx_config_params.admin_configuration_ets_pg[3] = 2; | ||
766 | bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0; | ||
767 | bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0; | ||
768 | bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0; | ||
769 | bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0; | ||
770 | bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 0; | ||
771 | bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 1; | ||
772 | bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 2; | ||
773 | bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0; | ||
774 | bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 7; | ||
775 | bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 5; | ||
776 | bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 6; | ||
777 | bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 7; | ||
778 | bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0; | ||
779 | bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1; | ||
780 | bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2; | ||
781 | bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3; | ||
782 | bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4; | ||
783 | bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5; | ||
784 | bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6; | ||
785 | bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7; | ||
786 | bp->dcbx_config_params.admin_pfc_bitmap = 0x8; /* FCoE(3) enable */ | ||
787 | bp->dcbx_config_params.admin_priority_app_table[0].valid = 1; | ||
788 | bp->dcbx_config_params.admin_priority_app_table[1].valid = 1; | ||
789 | bp->dcbx_config_params.admin_priority_app_table[2].valid = 0; | ||
790 | bp->dcbx_config_params.admin_priority_app_table[3].valid = 0; | ||
791 | bp->dcbx_config_params.admin_priority_app_table[0].priority = 3; | ||
792 | bp->dcbx_config_params.admin_priority_app_table[1].priority = 0; | ||
793 | bp->dcbx_config_params.admin_priority_app_table[2].priority = 0; | ||
794 | bp->dcbx_config_params.admin_priority_app_table[3].priority = 0; | ||
795 | bp->dcbx_config_params.admin_priority_app_table[0].traffic_type = 0; | ||
796 | bp->dcbx_config_params.admin_priority_app_table[1].traffic_type = 1; | ||
797 | bp->dcbx_config_params.admin_priority_app_table[2].traffic_type = 0; | ||
798 | bp->dcbx_config_params.admin_priority_app_table[3].traffic_type = 0; | ||
799 | bp->dcbx_config_params.admin_priority_app_table[0].app_id = 0x8906; | ||
800 | bp->dcbx_config_params.admin_priority_app_table[1].app_id = 3260; | ||
801 | bp->dcbx_config_params.admin_priority_app_table[2].app_id = 0; | ||
802 | bp->dcbx_config_params.admin_priority_app_table[3].app_id = 0; | ||
803 | bp->dcbx_config_params.admin_default_priority = | ||
804 | bp->dcbx_config_params.admin_priority_app_table[1].priority; | ||
805 | } | ||
806 | |||
807 | void bnx2x_dcbx_init(struct bnx2x *bp) | ||
808 | { | ||
809 | u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE; | ||
810 | /* validate: | ||
811 | * chip of good for dcbx version, | ||
812 | * dcb is wanted | ||
813 | * the function is pmf | ||
814 | * shmem2 contains DCBX support fields | ||
815 | */ | ||
816 | DP(NETIF_MSG_LINK, "dcb_enable %d bp->port.pmf %d\n", | ||
817 | bp->dcbx_config_params.dcb_enable, bp->port.pmf); | ||
818 | |||
819 | if (CHIP_IS_E2(bp) && !CHIP_MODE_IS_4_PORT(bp) && | ||
820 | bp->dcbx_config_params.dcb_enable && | ||
821 | bp->port.pmf && | ||
822 | SHMEM2_HAS(bp, dcbx_lldp_params_offset)) { | ||
823 | dcbx_lldp_params_offset = SHMEM2_RD(bp, | ||
824 | dcbx_lldp_params_offset); | ||
825 | DP(NETIF_MSG_LINK, "dcbx_lldp_params_offset 0x%x\n", | ||
826 | dcbx_lldp_params_offset); | ||
827 | if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { | ||
828 | bnx2x_dcbx_lldp_updated_params(bp, | ||
829 | dcbx_lldp_params_offset); | ||
830 | |||
831 | bnx2x_dcbx_admin_mib_updated_params(bp, | ||
832 | dcbx_lldp_params_offset); | ||
833 | |||
834 | /* set default configuration BC has */ | ||
835 | bnx2x_dcbx_set_params(bp, | ||
836 | BNX2X_DCBX_STATE_NEG_RECEIVED); | ||
837 | |||
838 | bnx2x_fw_command(bp, | ||
839 | DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0); | ||
840 | } | ||
841 | } | ||
842 | } | ||
843 | |||
844 | void bnx2x_dcb_init_intmem_pfc(struct bnx2x *bp) | ||
845 | { | ||
846 | struct priority_cos pricos[MAX_PFC_TRAFFIC_TYPES]; | ||
847 | u32 i = 0, addr; | ||
848 | memset(pricos, 0, sizeof(pricos)); | ||
849 | /* Default initialization */ | ||
850 | for (i = 0; i < MAX_PFC_TRAFFIC_TYPES; i++) | ||
851 | pricos[i].priority = LLFC_TRAFFIC_TYPE_TO_PRIORITY_UNMAPPED; | ||
852 | |||
853 | /* Store per port struct to internal memory */ | ||
854 | addr = BAR_XSTRORM_INTMEM + | ||
855 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(BP_PORT(bp)) + | ||
856 | offsetof(struct cmng_struct_per_port, | ||
857 | traffic_type_to_priority_cos); | ||
858 | __storm_memset_struct(bp, addr, sizeof(pricos), (u32 *)pricos); | ||
859 | |||
860 | |||
861 | /* LLFC disabled.*/ | ||
862 | REG_WR8(bp , BAR_XSTRORM_INTMEM + | ||
863 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(BP_PORT(bp)) + | ||
864 | offsetof(struct cmng_struct_per_port, llfc_mode), | ||
865 | LLFC_MODE_NONE); | ||
866 | |||
867 | /* DCBX disabled.*/ | ||
868 | REG_WR8(bp , BAR_XSTRORM_INTMEM + | ||
869 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(BP_PORT(bp)) + | ||
870 | offsetof(struct cmng_struct_per_port, dcb_enabled), | ||
871 | DCB_DISABLED); | ||
872 | } | ||
873 | |||
874 | static void | ||
875 | bnx2x_dcbx_print_cos_params(struct bnx2x *bp, | ||
876 | struct flow_control_configuration *pfc_fw_cfg) | ||
877 | { | ||
878 | u8 pri = 0; | ||
879 | u8 cos = 0; | ||
880 | |||
881 | DP(NETIF_MSG_LINK, | ||
882 | "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version); | ||
883 | DP(NETIF_MSG_LINK, | ||
884 | "pdev->params.dcbx_port_params.pfc." | ||
885 | "priority_non_pauseable_mask %x\n", | ||
886 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask); | ||
887 | |||
888 | for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) { | ||
889 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | ||
890 | "cos_params[%d].pri_bitmask %x\n", cos, | ||
891 | bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask); | ||
892 | |||
893 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | ||
894 | "cos_params[%d].bw_tbl %x\n", cos, | ||
895 | bp->dcbx_port_params.ets.cos_params[cos].bw_tbl); | ||
896 | |||
897 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | ||
898 | "cos_params[%d].strict %x\n", cos, | ||
899 | bp->dcbx_port_params.ets.cos_params[cos].strict); | ||
900 | |||
901 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | ||
902 | "cos_params[%d].pauseable %x\n", cos, | ||
903 | bp->dcbx_port_params.ets.cos_params[cos].pauseable); | ||
904 | } | ||
905 | |||
906 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { | ||
907 | DP(NETIF_MSG_LINK, | ||
908 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d]." | ||
909 | "priority %x\n", pri, | ||
910 | pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority); | ||
911 | |||
912 | DP(NETIF_MSG_LINK, | ||
913 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n", | ||
914 | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos); | ||
915 | } | ||
916 | } | ||
917 | |||
918 | /* fills help_data according to pg_info */ | ||
919 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, | ||
920 | u32 *pg_pri_orginal_spread, | ||
921 | struct pg_help_data *help_data) | ||
922 | { | ||
923 | bool pg_found = false; | ||
924 | u32 i, traf_type, add_traf_type, add_pg; | ||
925 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | ||
926 | struct pg_entry_help_data *data = help_data->data; /*shotcut*/ | ||
927 | |||
928 | /* Set to invalid */ | ||
929 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) | ||
930 | data[i].pg = DCBX_ILLEGAL_PG; | ||
931 | |||
932 | for (add_traf_type = 0; | ||
933 | add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) { | ||
934 | pg_found = false; | ||
935 | if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) { | ||
936 | add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]]; | ||
937 | for (traf_type = 0; | ||
938 | traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; | ||
939 | traf_type++) { | ||
940 | if (data[traf_type].pg == add_pg) { | ||
941 | if (!(data[traf_type].pg_priority & | ||
942 | (1 << ttp[add_traf_type]))) | ||
943 | data[traf_type]. | ||
944 | num_of_dif_pri++; | ||
945 | data[traf_type].pg_priority |= | ||
946 | (1 << ttp[add_traf_type]); | ||
947 | pg_found = true; | ||
948 | break; | ||
949 | } | ||
950 | } | ||
951 | if (false == pg_found) { | ||
952 | data[help_data->num_of_pg].pg = add_pg; | ||
953 | data[help_data->num_of_pg].pg_priority = | ||
954 | (1 << ttp[add_traf_type]); | ||
955 | data[help_data->num_of_pg].num_of_dif_pri = 1; | ||
956 | help_data->num_of_pg++; | ||
957 | } | ||
958 | } | ||
959 | DP(NETIF_MSG_LINK, | ||
960 | "add_traf_type %d pg_found %s num_of_pg %d\n", | ||
961 | add_traf_type, (false == pg_found) ? "NO" : "YES", | ||
962 | help_data->num_of_pg); | ||
963 | } | ||
964 | } | ||
965 | |||
966 | |||
967 | /******************************************************************************* | ||
968 | * Description: single priority group | ||
969 | * | ||
970 | * Return: | ||
971 | ******************************************************************************/ | ||
972 | static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, | ||
973 | struct cos_help_data *cos_data, | ||
974 | u32 pri_join_mask) | ||
975 | { | ||
976 | /* Only one priority than only one COS */ | ||
977 | cos_data->data[0].pausable = | ||
978 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | ||
979 | cos_data->data[0].pri_join_mask = pri_join_mask; | ||
980 | cos_data->data[0].cos_bw = 100; | ||
981 | cos_data->num_of_cos = 1; | ||
982 | } | ||
983 | |||
984 | /******************************************************************************* | ||
985 | * Description: updating the cos bw | ||
986 | * | ||
987 | * Return: | ||
988 | ******************************************************************************/ | ||
989 | static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, | ||
990 | struct cos_entry_help_data *data, | ||
991 | u8 pg_bw) | ||
992 | { | ||
993 | if (data->cos_bw == DCBX_INVALID_COS_BW) | ||
994 | data->cos_bw = pg_bw; | ||
995 | else | ||
996 | data->cos_bw += pg_bw; | ||
997 | } | ||
998 | |||
999 | /******************************************************************************* | ||
1000 | * Description: single priority group | ||
1001 | * | ||
1002 | * Return: | ||
1003 | ******************************************************************************/ | ||
1004 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, | ||
1005 | struct cos_help_data *cos_data, | ||
1006 | u32 *pg_pri_orginal_spread, | ||
1007 | struct dcbx_ets_feature *ets) | ||
1008 | { | ||
1009 | u32 pri_tested = 0; | ||
1010 | u8 i = 0; | ||
1011 | u8 entry = 0; | ||
1012 | u8 pg_entry = 0; | ||
1013 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; | ||
1014 | |||
1015 | cos_data->data[0].pausable = true; | ||
1016 | cos_data->data[1].pausable = false; | ||
1017 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; | ||
1018 | |||
1019 | for (i = 0 ; i < num_of_pri ; i++) { | ||
1020 | pri_tested = 1 << bp->dcbx_port_params. | ||
1021 | app.traffic_type_priority[i]; | ||
1022 | |||
1023 | if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) { | ||
1024 | cos_data->data[1].pri_join_mask |= pri_tested; | ||
1025 | entry = 1; | ||
1026 | } else { | ||
1027 | cos_data->data[0].pri_join_mask |= pri_tested; | ||
1028 | entry = 0; | ||
1029 | } | ||
1030 | pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params. | ||
1031 | app.traffic_type_priority[i]]; | ||
1032 | /* There can be only one strict pg */ | ||
1033 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) | ||
1034 | bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry], | ||
1035 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); | ||
1036 | else | ||
1037 | /* If we join a group and one is strict | ||
1038 | * than the bw rulls */ | ||
1039 | cos_data->data[entry].strict = | ||
1040 | BNX2X_DCBX_COS_HIGH_STRICT; | ||
1041 | } | ||
1042 | if ((0 == cos_data->data[0].pri_join_mask) && | ||
1043 | (0 == cos_data->data[1].pri_join_mask)) | ||
1044 | BNX2X_ERR("dcbx error: Both groups must have priorities\n"); | ||
1045 | } | ||
1046 | |||
1047 | |||
1048 | #ifndef POWER_OF_2 | ||
1049 | #define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1)))) | ||
1050 | #endif | ||
1051 | |||
1052 | static void bxn2x_dcbx_single_pg_to_cos_params(struct bnx2x *bp, | ||
1053 | struct pg_help_data *pg_help_data, | ||
1054 | struct cos_help_data *cos_data, | ||
1055 | u32 pri_join_mask, | ||
1056 | u8 num_of_dif_pri) | ||
1057 | { | ||
1058 | u8 i = 0; | ||
1059 | u32 pri_tested = 0; | ||
1060 | u32 pri_mask_without_pri = 0; | ||
1061 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | ||
1062 | /*debug*/ | ||
1063 | if (num_of_dif_pri == 1) { | ||
1064 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask); | ||
1065 | return; | ||
1066 | } | ||
1067 | /* single priority group */ | ||
1068 | if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { | ||
1069 | /* If there are both pauseable and non-pauseable priorities, | ||
1070 | * the pauseable priorities go to the first queue and | ||
1071 | * the non-pauseable priorities go to the second queue. | ||
1072 | */ | ||
1073 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | ||
1074 | /* Pauseable */ | ||
1075 | cos_data->data[0].pausable = true; | ||
1076 | /* Non pauseable.*/ | ||
1077 | cos_data->data[1].pausable = false; | ||
1078 | |||
1079 | if (2 == num_of_dif_pri) { | ||
1080 | cos_data->data[0].cos_bw = 50; | ||
1081 | cos_data->data[1].cos_bw = 50; | ||
1082 | } | ||
1083 | |||
1084 | if (3 == num_of_dif_pri) { | ||
1085 | if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp, | ||
1086 | pri_join_mask))) { | ||
1087 | cos_data->data[0].cos_bw = 33; | ||
1088 | cos_data->data[1].cos_bw = 67; | ||
1089 | } else { | ||
1090 | cos_data->data[0].cos_bw = 67; | ||
1091 | cos_data->data[1].cos_bw = 33; | ||
1092 | } | ||
1093 | } | ||
1094 | |||
1095 | } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) { | ||
1096 | /* If there are only pauseable priorities, | ||
1097 | * then one/two priorities go to the first queue | ||
1098 | * and one priority goes to the second queue. | ||
1099 | */ | ||
1100 | if (2 == num_of_dif_pri) { | ||
1101 | cos_data->data[0].cos_bw = 50; | ||
1102 | cos_data->data[1].cos_bw = 50; | ||
1103 | } else { | ||
1104 | cos_data->data[0].cos_bw = 67; | ||
1105 | cos_data->data[1].cos_bw = 33; | ||
1106 | } | ||
1107 | cos_data->data[1].pausable = true; | ||
1108 | cos_data->data[0].pausable = true; | ||
1109 | /* All priorities except FCOE */ | ||
1110 | cos_data->data[0].pri_join_mask = (pri_join_mask & | ||
1111 | ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]))); | ||
1112 | /* Only FCOE priority.*/ | ||
1113 | cos_data->data[1].pri_join_mask = | ||
1114 | (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]); | ||
1115 | } else | ||
1116 | /* If there are only non-pauseable priorities, | ||
1117 | * they will all go to the same queue. | ||
1118 | */ | ||
1119 | bnx2x_dcbx_ets_disabled_entry_data(bp, | ||
1120 | cos_data, pri_join_mask); | ||
1121 | } else { | ||
1122 | /* priority group which is not BW limited (PG#15):*/ | ||
1123 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | ||
1124 | /* If there are both pauseable and non-pauseable | ||
1125 | * priorities, the pauseable priorities go to the first | ||
1126 | * queue and the non-pauseable priorities | ||
1127 | * go to the second queue. | ||
1128 | */ | ||
1129 | if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) > | ||
1130 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) { | ||
1131 | cos_data->data[0].strict = | ||
1132 | BNX2X_DCBX_COS_HIGH_STRICT; | ||
1133 | cos_data->data[1].strict = | ||
1134 | BNX2X_DCBX_COS_LOW_STRICT; | ||
1135 | } else { | ||
1136 | cos_data->data[0].strict = | ||
1137 | BNX2X_DCBX_COS_LOW_STRICT; | ||
1138 | cos_data->data[1].strict = | ||
1139 | BNX2X_DCBX_COS_HIGH_STRICT; | ||
1140 | } | ||
1141 | /* Pauseable */ | ||
1142 | cos_data->data[0].pausable = true; | ||
1143 | /* Non pause-able.*/ | ||
1144 | cos_data->data[1].pausable = false; | ||
1145 | } else { | ||
1146 | /* If there are only pauseable priorities or | ||
1147 | * only non-pauseable,* the lower priorities go | ||
1148 | * to the first queue and the higherpriorities go | ||
1149 | * to the second queue. | ||
1150 | */ | ||
1151 | cos_data->data[0].pausable = | ||
1152 | cos_data->data[1].pausable = | ||
1153 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | ||
1154 | |||
1155 | for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) { | ||
1156 | pri_tested = 1 << bp->dcbx_port_params. | ||
1157 | app.traffic_type_priority[i]; | ||
1158 | /* Remove priority tested */ | ||
1159 | pri_mask_without_pri = | ||
1160 | (pri_join_mask & ((u8)(~pri_tested))); | ||
1161 | if (pri_mask_without_pri < pri_tested) | ||
1162 | break; | ||
1163 | } | ||
1164 | |||
1165 | if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX) | ||
1166 | BNX2X_ERR("Invalid value for pri_join_mask -" | ||
1167 | " could not find a priority\n"); | ||
1168 | |||
1169 | cos_data->data[0].pri_join_mask = pri_mask_without_pri; | ||
1170 | cos_data->data[1].pri_join_mask = pri_tested; | ||
1171 | /* Both queues are strict priority, | ||
1172 | * and that with the highest priority | ||
1173 | * gets the highest strict priority in the arbiter. | ||
1174 | */ | ||
1175 | cos_data->data[0].strict = BNX2X_DCBX_COS_LOW_STRICT; | ||
1176 | cos_data->data[1].strict = BNX2X_DCBX_COS_HIGH_STRICT; | ||
1177 | } | ||
1178 | } | ||
1179 | } | ||
1180 | |||
1181 | static void bnx2x_dcbx_two_pg_to_cos_params( | ||
1182 | struct bnx2x *bp, | ||
1183 | struct pg_help_data *pg_help_data, | ||
1184 | struct dcbx_ets_feature *ets, | ||
1185 | struct cos_help_data *cos_data, | ||
1186 | u32 *pg_pri_orginal_spread, | ||
1187 | u32 pri_join_mask, | ||
1188 | u8 num_of_dif_pri) | ||
1189 | { | ||
1190 | u8 i = 0; | ||
1191 | u8 pg[E2_NUM_OF_COS] = {0}; | ||
1192 | |||
1193 | /* If there are both pauseable and non-pauseable priorities, | ||
1194 | * the pauseable priorities go to the first queue and | ||
1195 | * the non-pauseable priorities go to the second queue. | ||
1196 | */ | ||
1197 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | ||
1198 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, | ||
1199 | pg_help_data->data[0].pg_priority) || | ||
1200 | IS_DCBX_PFC_PRI_MIX_PAUSE(bp, | ||
1201 | pg_help_data->data[1].pg_priority)) { | ||
1202 | /* If one PG contains both pauseable and | ||
1203 | * non-pauseable priorities then ETS is disabled. | ||
1204 | */ | ||
1205 | bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data, | ||
1206 | pg_pri_orginal_spread, ets); | ||
1207 | bp->dcbx_port_params.ets.enabled = false; | ||
1208 | return; | ||
1209 | } | ||
1210 | |||
1211 | /* Pauseable */ | ||
1212 | cos_data->data[0].pausable = true; | ||
1213 | /* Non pauseable. */ | ||
1214 | cos_data->data[1].pausable = false; | ||
1215 | if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, | ||
1216 | pg_help_data->data[0].pg_priority)) { | ||
1217 | /* 0 is pauseable */ | ||
1218 | cos_data->data[0].pri_join_mask = | ||
1219 | pg_help_data->data[0].pg_priority; | ||
1220 | pg[0] = pg_help_data->data[0].pg; | ||
1221 | cos_data->data[1].pri_join_mask = | ||
1222 | pg_help_data->data[1].pg_priority; | ||
1223 | pg[1] = pg_help_data->data[1].pg; | ||
1224 | } else {/* 1 is pauseable */ | ||
1225 | cos_data->data[0].pri_join_mask = | ||
1226 | pg_help_data->data[1].pg_priority; | ||
1227 | pg[0] = pg_help_data->data[1].pg; | ||
1228 | cos_data->data[1].pri_join_mask = | ||
1229 | pg_help_data->data[0].pg_priority; | ||
1230 | pg[1] = pg_help_data->data[0].pg; | ||
1231 | } | ||
1232 | } else { | ||
1233 | /* If there are only pauseable priorities or | ||
1234 | * only non-pauseable, each PG goes to a queue. | ||
1235 | */ | ||
1236 | cos_data->data[0].pausable = cos_data->data[1].pausable = | ||
1237 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | ||
1238 | cos_data->data[0].pri_join_mask = | ||
1239 | pg_help_data->data[0].pg_priority; | ||
1240 | pg[0] = pg_help_data->data[0].pg; | ||
1241 | cos_data->data[1].pri_join_mask = | ||
1242 | pg_help_data->data[1].pg_priority; | ||
1243 | pg[1] = pg_help_data->data[1].pg; | ||
1244 | } | ||
1245 | |||
1246 | /* There can be only one strict pg */ | ||
1247 | for (i = 0 ; i < E2_NUM_OF_COS; i++) { | ||
1248 | if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES) | ||
1249 | cos_data->data[i].cos_bw = | ||
1250 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]); | ||
1251 | else | ||
1252 | cos_data->data[i].strict = BNX2X_DCBX_COS_HIGH_STRICT; | ||
1253 | } | ||
1254 | } | ||
1255 | |||
1256 | /******************************************************************************* | ||
1257 | * Description: Still | ||
1258 | * | ||
1259 | * Return: | ||
1260 | ******************************************************************************/ | ||
1261 | static void bnx2x_dcbx_three_pg_to_cos_params( | ||
1262 | struct bnx2x *bp, | ||
1263 | struct pg_help_data *pg_help_data, | ||
1264 | struct dcbx_ets_feature *ets, | ||
1265 | struct cos_help_data *cos_data, | ||
1266 | u32 *pg_pri_orginal_spread, | ||
1267 | u32 pri_join_mask, | ||
1268 | u8 num_of_dif_pri) | ||
1269 | { | ||
1270 | u8 i = 0; | ||
1271 | u32 pri_tested = 0; | ||
1272 | u8 entry = 0; | ||
1273 | u8 pg_entry = 0; | ||
1274 | bool b_found_strict = false; | ||
1275 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; | ||
1276 | |||
1277 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; | ||
1278 | /* If there are both pauseable and non-pauseable priorities, | ||
1279 | * the pauseable priorities go to the first queue and the | ||
1280 | * non-pauseable priorities go to the second queue. | ||
1281 | */ | ||
1282 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) | ||
1283 | bnx2x_dcbx_separate_pauseable_from_non(bp, | ||
1284 | cos_data, pg_pri_orginal_spread, ets); | ||
1285 | else { | ||
1286 | /* If two BW-limited PG-s were combined to one queue, | ||
1287 | * the BW is their sum. | ||
1288 | * | ||
1289 | * If there are only pauseable priorities or only non-pauseable, | ||
1290 | * and there are both BW-limited and non-BW-limited PG-s, | ||
1291 | * the BW-limited PG/s go to one queue and the non-BW-limited | ||
1292 | * PG/s go to the second queue. | ||
1293 | * | ||
1294 | * If there are only pauseable priorities or only non-pauseable | ||
1295 | * and all are BW limited, then two priorities go to the first | ||
1296 | * queue and one priority goes to the second queue. | ||
1297 | * | ||
1298 | * We will join this two cases: | ||
1299 | * if one is BW limited it will go to the secoend queue | ||
1300 | * otherwise the last priority will get it | ||
1301 | */ | ||
1302 | |||
1303 | cos_data->data[0].pausable = cos_data->data[1].pausable = | ||
1304 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | ||
1305 | |||
1306 | for (i = 0 ; i < num_of_pri; i++) { | ||
1307 | pri_tested = 1 << bp->dcbx_port_params. | ||
1308 | app.traffic_type_priority[i]; | ||
1309 | pg_entry = (u8)pg_pri_orginal_spread[bp-> | ||
1310 | dcbx_port_params.app.traffic_type_priority[i]]; | ||
1311 | |||
1312 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) { | ||
1313 | entry = 0; | ||
1314 | |||
1315 | if (i == (num_of_pri-1) && | ||
1316 | false == b_found_strict) | ||
1317 | /* last entry will be handled separately | ||
1318 | * If no priority is strict than last | ||
1319 | * enty goes to last queue.*/ | ||
1320 | entry = 1; | ||
1321 | cos_data->data[entry].pri_join_mask |= | ||
1322 | pri_tested; | ||
1323 | bnx2x_dcbx_add_to_cos_bw(bp, | ||
1324 | &cos_data->data[entry], | ||
1325 | DCBX_PG_BW_GET(ets->pg_bw_tbl, | ||
1326 | pg_entry)); | ||
1327 | } else { | ||
1328 | b_found_strict = true; | ||
1329 | cos_data->data[1].pri_join_mask |= pri_tested; | ||
1330 | /* If we join a group and one is strict | ||
1331 | * than the bw rulls */ | ||
1332 | cos_data->data[1].strict = | ||
1333 | BNX2X_DCBX_COS_HIGH_STRICT; | ||
1334 | } | ||
1335 | } | ||
1336 | } | ||
1337 | } | ||
1338 | |||
1339 | |||
1340 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, | ||
1341 | struct pg_help_data *help_data, | ||
1342 | struct dcbx_ets_feature *ets, | ||
1343 | u32 *pg_pri_orginal_spread) | ||
1344 | { | ||
1345 | struct cos_help_data cos_data ; | ||
1346 | u8 i = 0; | ||
1347 | u32 pri_join_mask = 0; | ||
1348 | u8 num_of_dif_pri = 0; | ||
1349 | |||
1350 | memset(&cos_data, 0, sizeof(cos_data)); | ||
1351 | /* Validate the pg value */ | ||
1352 | for (i = 0; i < help_data->num_of_pg ; i++) { | ||
1353 | if (DCBX_STRICT_PRIORITY != help_data->data[i].pg && | ||
1354 | DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg) | ||
1355 | BNX2X_ERR("Invalid pg[%d] data %x\n", i, | ||
1356 | help_data->data[i].pg); | ||
1357 | pri_join_mask |= help_data->data[i].pg_priority; | ||
1358 | num_of_dif_pri += help_data->data[i].num_of_dif_pri; | ||
1359 | } | ||
1360 | |||
1361 | /* default settings */ | ||
1362 | cos_data.num_of_cos = 2; | ||
1363 | for (i = 0; i < E2_NUM_OF_COS ; i++) { | ||
1364 | cos_data.data[i].pri_join_mask = pri_join_mask; | ||
1365 | cos_data.data[i].pausable = false; | ||
1366 | cos_data.data[i].strict = BNX2X_DCBX_COS_NOT_STRICT; | ||
1367 | cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW; | ||
1368 | } | ||
1369 | |||
1370 | switch (help_data->num_of_pg) { | ||
1371 | case 1: | ||
1372 | |||
1373 | bxn2x_dcbx_single_pg_to_cos_params( | ||
1374 | bp, | ||
1375 | help_data, | ||
1376 | &cos_data, | ||
1377 | pri_join_mask, | ||
1378 | num_of_dif_pri); | ||
1379 | break; | ||
1380 | case 2: | ||
1381 | bnx2x_dcbx_two_pg_to_cos_params( | ||
1382 | bp, | ||
1383 | help_data, | ||
1384 | ets, | ||
1385 | &cos_data, | ||
1386 | pg_pri_orginal_spread, | ||
1387 | pri_join_mask, | ||
1388 | num_of_dif_pri); | ||
1389 | break; | ||
1390 | |||
1391 | case 3: | ||
1392 | bnx2x_dcbx_three_pg_to_cos_params( | ||
1393 | bp, | ||
1394 | help_data, | ||
1395 | ets, | ||
1396 | &cos_data, | ||
1397 | pg_pri_orginal_spread, | ||
1398 | pri_join_mask, | ||
1399 | num_of_dif_pri); | ||
1400 | |||
1401 | break; | ||
1402 | default: | ||
1403 | BNX2X_ERR("Wrong pg_help_data.num_of_pg\n"); | ||
1404 | bnx2x_dcbx_ets_disabled_entry_data(bp, | ||
1405 | &cos_data, pri_join_mask); | ||
1406 | } | ||
1407 | |||
1408 | for (i = 0; i < cos_data.num_of_cos ; i++) { | ||
1409 | struct bnx2x_dcbx_cos_params *params = | ||
1410 | &bp->dcbx_port_params.ets.cos_params[i]; | ||
1411 | |||
1412 | params->pauseable = cos_data.data[i].pausable; | ||
1413 | params->strict = cos_data.data[i].strict; | ||
1414 | params->bw_tbl = cos_data.data[i].cos_bw; | ||
1415 | if (params->pauseable) { | ||
1416 | params->pri_bitmask = | ||
1417 | DCBX_PFC_PRI_GET_PAUSE(bp, | ||
1418 | cos_data.data[i].pri_join_mask); | ||
1419 | DP(NETIF_MSG_LINK, "COS %d PAUSABLE prijoinmask 0x%x\n", | ||
1420 | i, cos_data.data[i].pri_join_mask); | ||
1421 | } else { | ||
1422 | params->pri_bitmask = | ||
1423 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, | ||
1424 | cos_data.data[i].pri_join_mask); | ||
1425 | DP(NETIF_MSG_LINK, "COS %d NONPAUSABLE prijoinmask " | ||
1426 | "0x%x\n", | ||
1427 | i, cos_data.data[i].pri_join_mask); | ||
1428 | } | ||
1429 | } | ||
1430 | |||
1431 | bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ; | ||
1432 | } | ||
1433 | |||
1434 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, | ||
1435 | u32 *set_configuration_ets_pg, | ||
1436 | u32 *pri_pg_tbl) | ||
1437 | { | ||
1438 | int i; | ||
1439 | |||
1440 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { | ||
1441 | set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i); | ||
1442 | |||
1443 | DP(NETIF_MSG_LINK, "set_configuration_ets_pg[%d] = 0x%x\n", | ||
1444 | i, set_configuration_ets_pg[i]); | ||
1445 | } | ||
1446 | } | ||
1447 | |||
1448 | /******************************************************************************* | ||
1449 | * Description: Fill pfc_config struct that will be sent in DCBX start ramrod | ||
1450 | * | ||
1451 | * Return: | ||
1452 | ******************************************************************************/ | ||
1453 | static void bnx2x_pfc_fw_struct_e2(struct bnx2x *bp) | ||
1454 | { | ||
1455 | struct flow_control_configuration *pfc_fw_cfg = 0; | ||
1456 | u16 pri_bit = 0; | ||
1457 | u8 cos = 0, pri = 0; | ||
1458 | struct priority_cos *tt2cos; | ||
1459 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | ||
1460 | |||
1461 | pfc_fw_cfg = (struct flow_control_configuration *) | ||
1462 | bnx2x_sp(bp, pfc_config); | ||
1463 | memset(pfc_fw_cfg, 0, sizeof(struct flow_control_configuration)); | ||
1464 | |||
1465 | /*shortcut*/ | ||
1466 | tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos; | ||
1467 | |||
1468 | /* Fw version should be incremented each update */ | ||
1469 | pfc_fw_cfg->dcb_version = ++bp->dcb_version; | ||
1470 | pfc_fw_cfg->dcb_enabled = DCB_ENABLED; | ||
1471 | |||
1472 | /* Default initialization */ | ||
1473 | for (pri = 0; pri < MAX_PFC_TRAFFIC_TYPES ; pri++) { | ||
1474 | tt2cos[pri].priority = LLFC_TRAFFIC_TYPE_TO_PRIORITY_UNMAPPED; | ||
1475 | tt2cos[pri].cos = 0; | ||
1476 | } | ||
1477 | |||
1478 | /* Fill priority parameters */ | ||
1479 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { | ||
1480 | tt2cos[pri].priority = ttp[pri]; | ||
1481 | pri_bit = 1 << tt2cos[pri].priority; | ||
1482 | |||
1483 | /* Fill COS parameters based on COS calculated to | ||
1484 | * make it more generally for future use */ | ||
1485 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) | ||
1486 | if (bp->dcbx_port_params.ets.cos_params[cos]. | ||
1487 | pri_bitmask & pri_bit) | ||
1488 | tt2cos[pri].cos = cos; | ||
1489 | } | ||
1490 | bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg); | ||
1491 | } | ||