1 | /* bnx2x_dcb.c: QLogic Everest network driver. |
2 | * |
3 | * Copyright 2009-2013 Broadcom Corporation |
4 | * Copyright 2014 QLogic Corporation |
5 | * All rights reserved |
6 | * |
7 | * Unless you and QLogic execute a separate written software license |
8 | * agreement governing use of this software, this software is licensed to you |
9 | * under the terms of the GNU General Public License version 2, available |
10 | * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
11 | * |
12 | * Notwithstanding the above, under no circumstances may you combine this |
13 | * software in any way with any other QLogic software provided under a |
14 | * license other than the GPL, without QLogic's express prior written |
15 | * consent. |
16 | * |
17 | * Maintained by: Ariel Elior <ariel.elior@qlogic.com> |
18 | * Written by: Dmitry Kravkov |
19 | * |
20 | */ |
21 | |
22 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
23 | |
24 | #include <linux/netdevice.h> |
25 | #include <linux/types.h> |
26 | #include <linux/errno.h> |
27 | #include <linux/rtnetlink.h> |
28 | #include <net/dcbnl.h> |
29 | |
30 | #include "bnx2x.h" |
31 | #include "bnx2x_cmn.h" |
32 | #include "bnx2x_dcb.h" |
33 | |
34 | /* forward declarations of dcbx related functions */ |
35 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp); |
36 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); |
37 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
38 | u32 *set_configuration_ets_pg, |
39 | u32 *pri_pg_tbl); |
40 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, |
41 | u32 *pg_pri_orginal_spread, |
42 | struct pg_help_data *help_data); |
43 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, |
44 | struct pg_help_data *help_data, |
45 | struct dcbx_ets_feature *ets, |
46 | u32 *pg_pri_orginal_spread); |
47 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
48 | struct cos_help_data *cos_data, |
49 | u32 *pg_pri_orginal_spread, |
50 | struct dcbx_ets_feature *ets); |
51 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
52 | struct bnx2x_func_tx_start_params*); |
53 | |
54 | /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */ |
55 | static void bnx2x_read_data(struct bnx2x *bp, u32 *buff, |
56 | u32 addr, u32 len) |
57 | { |
58 | int i; |
59 | for (i = 0; i < len; i += 4, buff++) |
60 | *buff = REG_RD(bp, addr + i); |
61 | } |
62 | |
63 | static void bnx2x_write_data(struct bnx2x *bp, u32 *buff, |
64 | u32 addr, u32 len) |
65 | { |
66 | int i; |
67 | for (i = 0; i < len; i += 4, buff++) |
68 | REG_WR(bp, addr + i, *buff); |
69 | } |
70 | |
71 | static void bnx2x_pfc_set(struct bnx2x *bp) |
72 | { |
73 | struct bnx2x_nig_brb_pfc_port_params pfc_params = {0}; |
74 | u32 pri_bit, val = 0; |
75 | int i; |
76 | |
77 | pfc_params.num_of_rx_cos_priority_mask = |
78 | bp->dcbx_port_params.ets.num_of_cos; |
79 | |
80 | /* Tx COS configuration */ |
81 | for (i = 0; i < bp->dcbx_port_params.ets.num_of_cos; i++) |
82 | /* |
83 | * We configure only the pauseable bits (non pauseable aren't |
84 | * configured at all) it's done to avoid false pauses from |
85 | * network |
86 | */ |
87 | pfc_params.rx_cos_priority_mask[i] = |
88 | bp->dcbx_port_params.ets.cos_params[i].pri_bitmask |
89 | & DCBX_PFC_PRI_PAUSE_MASK(bp); |
90 | |
91 | /* |
92 | * Rx COS configuration |
93 | * Changing PFC RX configuration . |
94 | * In RX COS0 will always be configured to lossless and COS1 to lossy |
95 | */ |
96 | for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) { |
97 | pri_bit = 1 << i; |
98 | |
99 | if (!(pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp))) |
100 | val |= 1 << (i * 4); |
101 | } |
102 | |
103 | pfc_params.pkt_priority_to_cos = val; |
104 | |
105 | /* RX COS0 */ |
106 | pfc_params.llfc_low_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp); |
107 | /* RX COS1 */ |
108 | pfc_params.llfc_high_priority_classes = 0; |
109 | |
110 | bnx2x_acquire_phy_lock(bp); |
111 | bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED; |
112 | bnx2x_update_pfc(params: &bp->link_params, vars: &bp->link_vars, pfc_params: &pfc_params); |
113 | bnx2x_release_phy_lock(bp); |
114 | } |
115 | |
116 | static void bnx2x_pfc_clear(struct bnx2x *bp) |
117 | { |
118 | struct bnx2x_nig_brb_pfc_port_params nig_params = {0}; |
119 | nig_params.pause_enable = 1; |
120 | bnx2x_acquire_phy_lock(bp); |
121 | bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED; |
122 | bnx2x_update_pfc(params: &bp->link_params, vars: &bp->link_vars, pfc_params: &nig_params); |
123 | bnx2x_release_phy_lock(bp); |
124 | } |
125 | |
126 | static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp, |
127 | struct dcbx_features *features, |
128 | u32 error) |
129 | { |
130 | u8 i = 0; |
131 | DP(NETIF_MSG_LINK, "local_mib.error %x\n" , error); |
132 | |
133 | /* PG */ |
134 | DP(NETIF_MSG_LINK, |
135 | "local_mib.features.ets.enabled %x\n" , features->ets.enabled); |
136 | for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) |
137 | DP(NETIF_MSG_LINK, |
138 | "local_mib.features.ets.pg_bw_tbl[%d] %d\n" , i, |
139 | DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i)); |
140 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) |
141 | DP(NETIF_MSG_LINK, |
142 | "local_mib.features.ets.pri_pg_tbl[%d] %d\n" , i, |
143 | DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i)); |
144 | |
145 | /* pfc */ |
146 | DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pri_en_bitmap %x\n" , |
147 | features->pfc.pri_en_bitmap); |
148 | DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pfc_caps %x\n" , |
149 | features->pfc.pfc_caps); |
150 | DP(BNX2X_MSG_DCB, "dcbx_features.pfc.enabled %x\n" , |
151 | features->pfc.enabled); |
152 | |
153 | DP(BNX2X_MSG_DCB, "dcbx_features.app.default_pri %x\n" , |
154 | features->app.default_pri); |
155 | DP(BNX2X_MSG_DCB, "dcbx_features.app.tc_supported %x\n" , |
156 | features->app.tc_supported); |
157 | DP(BNX2X_MSG_DCB, "dcbx_features.app.enabled %x\n" , |
158 | features->app.enabled); |
159 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { |
160 | DP(BNX2X_MSG_DCB, |
161 | "dcbx_features.app.app_pri_tbl[%x].app_id %x\n" , |
162 | i, features->app.app_pri_tbl[i].app_id); |
163 | DP(BNX2X_MSG_DCB, |
164 | "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n" , |
165 | i, features->app.app_pri_tbl[i].pri_bitmap); |
166 | DP(BNX2X_MSG_DCB, |
167 | "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n" , |
168 | i, features->app.app_pri_tbl[i].appBitfield); |
169 | } |
170 | } |
171 | |
172 | static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp, |
173 | u8 pri_bitmap, |
174 | u8 llfc_traf_type) |
175 | { |
176 | u32 pri = MAX_PFC_PRIORITIES; |
177 | u32 index = MAX_PFC_PRIORITIES - 1; |
178 | u32 pri_mask; |
179 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
180 | |
181 | /* Choose the highest priority */ |
182 | while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) { |
183 | pri_mask = 1 << index; |
184 | if (GET_FLAGS(pri_bitmap, pri_mask)) |
185 | pri = index ; |
186 | index--; |
187 | } |
188 | |
189 | if (pri < MAX_PFC_PRIORITIES) |
190 | ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri); |
191 | } |
192 | |
193 | static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp, |
194 | struct dcbx_app_priority_feature *app, |
195 | u32 error) { |
196 | u8 index; |
197 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
198 | u8 iscsi_pri_found = 0, fcoe_pri_found = 0; |
199 | |
200 | if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) |
201 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_ERROR\n" ); |
202 | |
203 | if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH)) |
204 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_MISMATCH\n" ); |
205 | |
206 | if (GET_FLAGS(error, DCBX_REMOTE_APP_TLV_NOT_FOUND)) |
207 | DP(BNX2X_MSG_DCB, "DCBX_REMOTE_APP_TLV_NOT_FOUND\n" ); |
208 | if (app->enabled && |
209 | !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH | |
210 | DCBX_REMOTE_APP_TLV_NOT_FOUND)) { |
211 | |
212 | bp->dcbx_port_params.app.enabled = true; |
213 | |
214 | /* Use 0 as the default application priority for all. */ |
215 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) |
216 | ttp[index] = 0; |
217 | |
218 | for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) { |
219 | struct dcbx_app_priority_entry *entry = |
220 | app->app_pri_tbl; |
221 | enum traffic_type type = MAX_TRAFFIC_TYPE; |
222 | |
223 | if (GET_FLAGS(entry[index].appBitfield, |
224 | DCBX_APP_SF_DEFAULT) && |
225 | GET_FLAGS(entry[index].appBitfield, |
226 | DCBX_APP_SF_ETH_TYPE)) { |
227 | type = LLFC_TRAFFIC_TYPE_NW; |
228 | } else if (GET_FLAGS(entry[index].appBitfield, |
229 | DCBX_APP_SF_PORT) && |
230 | TCP_PORT_ISCSI == entry[index].app_id) { |
231 | type = LLFC_TRAFFIC_TYPE_ISCSI; |
232 | iscsi_pri_found = 1; |
233 | } else if (GET_FLAGS(entry[index].appBitfield, |
234 | DCBX_APP_SF_ETH_TYPE) && |
235 | ETH_TYPE_FCOE == entry[index].app_id) { |
236 | type = LLFC_TRAFFIC_TYPE_FCOE; |
237 | fcoe_pri_found = 1; |
238 | } |
239 | |
240 | if (type == MAX_TRAFFIC_TYPE) |
241 | continue; |
242 | |
243 | bnx2x_dcbx_get_ap_priority(bp, |
244 | pri_bitmap: entry[index].pri_bitmap, |
245 | llfc_traf_type: type); |
246 | } |
247 | |
248 | /* If we have received a non-zero default application |
249 | * priority, then use that for applications which are |
250 | * not configured with any priority. |
251 | */ |
252 | if (ttp[LLFC_TRAFFIC_TYPE_NW] != 0) { |
253 | if (!iscsi_pri_found) { |
254 | ttp[LLFC_TRAFFIC_TYPE_ISCSI] = |
255 | ttp[LLFC_TRAFFIC_TYPE_NW]; |
256 | DP(BNX2X_MSG_DCB, |
257 | "ISCSI is using default priority.\n" ); |
258 | } |
259 | if (!fcoe_pri_found) { |
260 | ttp[LLFC_TRAFFIC_TYPE_FCOE] = |
261 | ttp[LLFC_TRAFFIC_TYPE_NW]; |
262 | DP(BNX2X_MSG_DCB, |
263 | "FCoE is using default priority.\n" ); |
264 | } |
265 | } |
266 | } else { |
267 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_DISABLED\n" ); |
268 | bp->dcbx_port_params.app.enabled = false; |
269 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) |
270 | ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY; |
271 | } |
272 | } |
273 | |
274 | static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, |
275 | struct dcbx_ets_feature *ets, |
276 | u32 error) { |
277 | int i = 0; |
278 | u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0}; |
279 | struct pg_help_data pg_help_data; |
280 | struct bnx2x_dcbx_cos_params *cos_params = |
281 | bp->dcbx_port_params.ets.cos_params; |
282 | |
283 | memset(&pg_help_data, 0, sizeof(struct pg_help_data)); |
284 | |
285 | if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR)) |
286 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ERROR\n" ); |
287 | |
288 | if (GET_FLAGS(error, DCBX_REMOTE_ETS_TLV_NOT_FOUND)) |
289 | DP(BNX2X_MSG_DCB, "DCBX_REMOTE_ETS_TLV_NOT_FOUND\n" ); |
290 | |
291 | /* Clean up old settings of ets on COS */ |
292 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params) ; i++) { |
293 | cos_params[i].pauseable = false; |
294 | cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID; |
295 | cos_params[i].bw_tbl = DCBX_INVALID_COS_BW; |
296 | cos_params[i].pri_bitmask = 0; |
297 | } |
298 | |
299 | if (bp->dcbx_port_params.app.enabled && ets->enabled && |
300 | !GET_FLAGS(error, |
301 | DCBX_LOCAL_ETS_ERROR | DCBX_REMOTE_ETS_TLV_NOT_FOUND)) { |
302 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ENABLE\n" ); |
303 | bp->dcbx_port_params.ets.enabled = true; |
304 | |
305 | bnx2x_dcbx_get_ets_pri_pg_tbl(bp, |
306 | set_configuration_ets_pg: pg_pri_orginal_spread, |
307 | pri_pg_tbl: ets->pri_pg_tbl); |
308 | |
309 | bnx2x_dcbx_get_num_pg_traf_type(bp, |
310 | pg_pri_orginal_spread, |
311 | help_data: &pg_help_data); |
312 | |
313 | bnx2x_dcbx_fill_cos_params(bp, help_data: &pg_help_data, |
314 | ets, pg_pri_orginal_spread); |
315 | |
316 | } else { |
317 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_DISABLED\n" ); |
318 | bp->dcbx_port_params.ets.enabled = false; |
319 | ets->pri_pg_tbl[0] = 0; |
320 | |
321 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++) |
322 | DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1); |
323 | } |
324 | } |
325 | |
326 | static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, |
327 | struct dcbx_pfc_feature *pfc, u32 error) |
328 | { |
329 | if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) |
330 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_ERROR\n" ); |
331 | |
332 | if (GET_FLAGS(error, DCBX_REMOTE_PFC_TLV_NOT_FOUND)) |
333 | DP(BNX2X_MSG_DCB, "DCBX_REMOTE_PFC_TLV_NOT_FOUND\n" ); |
334 | if (bp->dcbx_port_params.app.enabled && pfc->enabled && |
335 | !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH | |
336 | DCBX_REMOTE_PFC_TLV_NOT_FOUND)) { |
337 | bp->dcbx_port_params.pfc.enabled = true; |
338 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = |
339 | ~(pfc->pri_en_bitmap); |
340 | } else { |
341 | DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_DISABLED\n" ); |
342 | bp->dcbx_port_params.pfc.enabled = false; |
343 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0; |
344 | } |
345 | } |
346 | |
347 | /* maps unmapped priorities to to the same COS as L2 */ |
348 | static void bnx2x_dcbx_map_nw(struct bnx2x *bp) |
349 | { |
350 | int i; |
351 | u32 unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */ |
352 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
353 | u32 nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW]; |
354 | struct bnx2x_dcbx_cos_params *cos_params = |
355 | bp->dcbx_port_params.ets.cos_params; |
356 | |
357 | /* get unmapped priorities by clearing mapped bits */ |
358 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) |
359 | unmapped &= ~(1 << ttp[i]); |
360 | |
361 | /* find cos for nw prio and extend it with unmapped */ |
362 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) { |
363 | if (cos_params[i].pri_bitmask & nw_prio) { |
364 | /* extend the bitmask with unmapped */ |
365 | DP(BNX2X_MSG_DCB, |
366 | "cos %d extended with 0x%08x\n" , i, unmapped); |
367 | cos_params[i].pri_bitmask |= unmapped; |
368 | break; |
369 | } |
370 | } |
371 | } |
372 | |
373 | static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp, |
374 | struct dcbx_features *features, |
375 | u32 error) |
376 | { |
377 | bnx2x_dcbx_get_ap_feature(bp, app: &features->app, error); |
378 | |
379 | bnx2x_dcbx_get_pfc_feature(bp, pfc: &features->pfc, error); |
380 | |
381 | bnx2x_dcbx_get_ets_feature(bp, ets: &features->ets, error); |
382 | |
383 | bnx2x_dcbx_map_nw(bp); |
384 | } |
385 | |
386 | #define DCBX_LOCAL_MIB_MAX_TRY_READ (100) |
387 | static int bnx2x_dcbx_read_mib(struct bnx2x *bp, |
388 | u32 *base_mib_addr, |
389 | u32 offset, |
390 | int read_mib_type) |
391 | { |
392 | int max_try_read = 0; |
393 | u32 mib_size, prefix_seq_num, suffix_seq_num; |
394 | struct lldp_remote_mib *remote_mib ; |
395 | struct lldp_local_mib *local_mib; |
396 | |
397 | switch (read_mib_type) { |
398 | case DCBX_READ_LOCAL_MIB: |
399 | mib_size = sizeof(struct lldp_local_mib); |
400 | break; |
401 | case DCBX_READ_REMOTE_MIB: |
402 | mib_size = sizeof(struct lldp_remote_mib); |
403 | break; |
404 | default: |
405 | return 1; /*error*/ |
406 | } |
407 | |
408 | offset += BP_PORT(bp) * mib_size; |
409 | |
410 | do { |
411 | bnx2x_read_data(bp, buff: base_mib_addr, addr: offset, len: mib_size); |
412 | |
413 | max_try_read++; |
414 | |
415 | switch (read_mib_type) { |
416 | case DCBX_READ_LOCAL_MIB: |
417 | local_mib = (struct lldp_local_mib *) base_mib_addr; |
418 | prefix_seq_num = local_mib->prefix_seq_num; |
419 | suffix_seq_num = local_mib->suffix_seq_num; |
420 | break; |
421 | case DCBX_READ_REMOTE_MIB: |
422 | remote_mib = (struct lldp_remote_mib *) base_mib_addr; |
423 | prefix_seq_num = remote_mib->prefix_seq_num; |
424 | suffix_seq_num = remote_mib->suffix_seq_num; |
425 | break; |
426 | default: |
427 | return 1; /*error*/ |
428 | } |
429 | } while ((prefix_seq_num != suffix_seq_num) && |
430 | (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ)); |
431 | |
432 | if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) { |
433 | BNX2X_ERR("MIB could not be read\n" ); |
434 | return 1; |
435 | } |
436 | |
437 | return 0; |
438 | } |
439 | |
440 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp) |
441 | { |
442 | int mfw_configured = SHMEM2_HAS(bp, drv_flags) && |
443 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), |
444 | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED); |
445 | |
446 | if (bp->dcbx_port_params.pfc.enabled && |
447 | (!(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) || mfw_configured)) |
448 | /* |
449 | * 1. Fills up common PFC structures if required |
450 | * 2. Configure NIG, MAC and BRB via the elink |
451 | */ |
452 | bnx2x_pfc_set(bp); |
453 | else |
454 | bnx2x_pfc_clear(bp); |
455 | } |
456 | |
457 | int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) |
458 | { |
459 | struct bnx2x_func_state_params func_params = {NULL}; |
460 | int rc; |
461 | |
462 | func_params.f_obj = &bp->func_obj; |
463 | func_params.cmd = BNX2X_F_CMD_TX_STOP; |
464 | |
465 | __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); |
466 | __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); |
467 | |
468 | DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n" ); |
469 | |
470 | rc = bnx2x_func_state_change(bp, params: &func_params); |
471 | if (rc) { |
472 | BNX2X_ERR("Unable to hold traffic for HW configuration\n" ); |
473 | bnx2x_panic(); |
474 | } |
475 | |
476 | return rc; |
477 | } |
478 | |
479 | int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) |
480 | { |
481 | struct bnx2x_func_state_params func_params = {NULL}; |
482 | struct bnx2x_func_tx_start_params *tx_params = |
483 | &func_params.params.tx_start; |
484 | int rc; |
485 | |
486 | func_params.f_obj = &bp->func_obj; |
487 | func_params.cmd = BNX2X_F_CMD_TX_START; |
488 | |
489 | __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); |
490 | __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); |
491 | |
492 | bnx2x_dcbx_fw_struct(bp, tx_params); |
493 | |
494 | DP(BNX2X_MSG_DCB, "START TRAFFIC\n" ); |
495 | |
496 | rc = bnx2x_func_state_change(bp, params: &func_params); |
497 | if (rc) { |
498 | BNX2X_ERR("Unable to resume traffic after HW configuration\n" ); |
499 | bnx2x_panic(); |
500 | } |
501 | |
502 | return rc; |
503 | } |
504 | |
505 | static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) |
506 | { |
507 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); |
508 | int rc = 0; |
509 | |
510 | if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) { |
511 | BNX2X_ERR("Illegal number of COSes %d\n" , ets->num_of_cos); |
512 | return; |
513 | } |
514 | |
515 | /* valid COS entries */ |
516 | if (ets->num_of_cos == 1) /* no ETS */ |
517 | return; |
518 | |
519 | /* sanity */ |
520 | if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) && |
521 | (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) || |
522 | ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) && |
523 | (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) { |
524 | BNX2X_ERR("all COS should have at least bw_limit or strict" |
525 | "ets->cos_params[0].strict= %x" |
526 | "ets->cos_params[0].bw_tbl= %x" |
527 | "ets->cos_params[1].strict= %x" |
528 | "ets->cos_params[1].bw_tbl= %x" , |
529 | ets->cos_params[0].strict, |
530 | ets->cos_params[0].bw_tbl, |
531 | ets->cos_params[1].strict, |
532 | ets->cos_params[1].bw_tbl); |
533 | return; |
534 | } |
535 | /* If we join a group and there is bw_tbl and strict then bw rules */ |
536 | if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) && |
537 | (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) { |
538 | u32 bw_tbl_0 = ets->cos_params[0].bw_tbl; |
539 | u32 bw_tbl_1 = ets->cos_params[1].bw_tbl; |
540 | /* Do not allow 0-100 configuration |
541 | * since PBF does not support it |
542 | * force 1-99 instead |
543 | */ |
544 | if (bw_tbl_0 == 0) { |
545 | bw_tbl_0 = 1; |
546 | bw_tbl_1 = 99; |
547 | } else if (bw_tbl_1 == 0) { |
548 | bw_tbl_1 = 1; |
549 | bw_tbl_0 = 99; |
550 | } |
551 | |
552 | bnx2x_ets_bw_limit(params: &bp->link_params, cos0_bw: bw_tbl_0, cos1_bw: bw_tbl_1); |
553 | } else { |
554 | if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST) |
555 | rc = bnx2x_ets_strict(params: &bp->link_params, strict_cos: 0); |
556 | else if (ets->cos_params[1].strict |
557 | == BNX2X_DCBX_STRICT_COS_HIGHEST) |
558 | rc = bnx2x_ets_strict(params: &bp->link_params, strict_cos: 1); |
559 | if (rc) |
560 | BNX2X_ERR("update_ets_params failed\n" ); |
561 | } |
562 | } |
563 | |
564 | /* |
565 | * In E3B0 the configuration may have more than 2 COS. |
566 | */ |
567 | static void bnx2x_dcbx_update_ets_config(struct bnx2x *bp) |
568 | { |
569 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); |
570 | struct bnx2x_ets_params ets_params = { 0 }; |
571 | u8 i; |
572 | |
573 | ets_params.num_of_cos = ets->num_of_cos; |
574 | |
575 | for (i = 0; i < ets->num_of_cos; i++) { |
576 | /* COS is SP */ |
577 | if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) { |
578 | if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) { |
579 | BNX2X_ERR("COS can't be not BW and not SP\n" ); |
580 | return; |
581 | } |
582 | |
583 | ets_params.cos[i].state = bnx2x_cos_state_strict; |
584 | ets_params.cos[i].params.sp_params.pri = |
585 | ets->cos_params[i].strict; |
586 | } else { /* COS is BW */ |
587 | if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) { |
588 | BNX2X_ERR("COS can't be not BW and not SP\n" ); |
589 | return; |
590 | } |
591 | ets_params.cos[i].state = bnx2x_cos_state_bw; |
592 | ets_params.cos[i].params.bw_params.bw = |
593 | (u8)ets->cos_params[i].bw_tbl; |
594 | } |
595 | } |
596 | |
597 | /* Configure the ETS in HW */ |
598 | if (bnx2x_ets_e3b0_config(params: &bp->link_params, vars: &bp->link_vars, |
599 | ets_params: &ets_params)) { |
600 | BNX2X_ERR("bnx2x_ets_e3b0_config failed\n" ); |
601 | bnx2x_ets_disabled(params: &bp->link_params, vars: &bp->link_vars); |
602 | } |
603 | } |
604 | |
605 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) |
606 | { |
607 | int mfw_configured = SHMEM2_HAS(bp, drv_flags) && |
608 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), |
609 | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED); |
610 | |
611 | bnx2x_ets_disabled(params: &bp->link_params, vars: &bp->link_vars); |
612 | |
613 | if (!bp->dcbx_port_params.ets.enabled || |
614 | ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured)) |
615 | return; |
616 | |
617 | if (CHIP_IS_E3B0(bp)) |
618 | bnx2x_dcbx_update_ets_config(bp); |
619 | else |
620 | bnx2x_dcbx_2cos_limit_update_ets_config(bp); |
621 | } |
622 | |
623 | #ifdef BCM_DCBNL |
624 | static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) |
625 | { |
626 | struct lldp_remote_mib remote_mib = {0}; |
627 | u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset); |
628 | int rc; |
629 | |
630 | DP(BNX2X_MSG_DCB, "dcbx_remote_mib_offset 0x%x\n" , |
631 | dcbx_remote_mib_offset); |
632 | |
633 | if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) { |
634 | BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n" ); |
635 | return -EINVAL; |
636 | } |
637 | |
638 | rc = bnx2x_dcbx_read_mib(bp, base_mib_addr: (u32 *)&remote_mib, offset: dcbx_remote_mib_offset, |
639 | read_mib_type: DCBX_READ_REMOTE_MIB); |
640 | |
641 | if (rc) { |
642 | BNX2X_ERR("Failed to read remote mib from FW\n" ); |
643 | return rc; |
644 | } |
645 | |
646 | /* save features and flags */ |
647 | bp->dcbx_remote_feat = remote_mib.features; |
648 | bp->dcbx_remote_flags = remote_mib.flags; |
649 | return 0; |
650 | } |
651 | #endif |
652 | |
653 | static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) |
654 | { |
655 | struct lldp_local_mib local_mib = {0}; |
656 | u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset); |
657 | int rc; |
658 | |
659 | DP(BNX2X_MSG_DCB, "dcbx_neg_res_offset 0x%x\n" , dcbx_neg_res_offset); |
660 | |
661 | if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) { |
662 | BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n" ); |
663 | return -EINVAL; |
664 | } |
665 | |
666 | rc = bnx2x_dcbx_read_mib(bp, base_mib_addr: (u32 *)&local_mib, offset: dcbx_neg_res_offset, |
667 | read_mib_type: DCBX_READ_LOCAL_MIB); |
668 | |
669 | if (rc) { |
670 | BNX2X_ERR("Failed to read local mib from FW\n" ); |
671 | return rc; |
672 | } |
673 | |
674 | /* save features and error */ |
675 | bp->dcbx_local_feat = local_mib.features; |
676 | bp->dcbx_error = local_mib.error; |
677 | return 0; |
678 | } |
679 | |
680 | #ifdef BCM_DCBNL |
681 | static inline |
682 | u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent) |
683 | { |
684 | u8 pri; |
685 | |
686 | /* Choose the highest priority */ |
687 | for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--) |
688 | if (ent->pri_bitmap & (1 << pri)) |
689 | break; |
690 | return pri; |
691 | } |
692 | |
693 | static inline |
694 | u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent) |
695 | { |
696 | return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) == |
697 | DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM : |
698 | DCB_APP_IDTYPE_ETHTYPE; |
699 | } |
700 | |
701 | int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall) |
702 | { |
703 | int i, err = 0; |
704 | |
705 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) { |
706 | struct dcbx_app_priority_entry *ent = |
707 | &bp->dcbx_local_feat.app.app_pri_tbl[i]; |
708 | |
709 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { |
710 | u8 up = bnx2x_dcbx_dcbnl_app_up(ent); |
711 | |
712 | /* avoid invalid user-priority */ |
713 | if (up) { |
714 | struct dcb_app app; |
715 | app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent); |
716 | app.protocol = ent->app_id; |
717 | app.priority = delall ? 0 : up; |
718 | err = dcb_setapp(bp->dev, &app); |
719 | } |
720 | } |
721 | } |
722 | return err; |
723 | } |
724 | #endif |
725 | |
726 | static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) |
727 | { |
728 | u8 prio, cos; |
729 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) { |
730 | for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) { |
731 | if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask |
732 | & (1 << prio)) { |
733 | bp->prio_to_cos[prio] = cos; |
734 | DP(BNX2X_MSG_DCB, |
735 | "tx_mapping %d --> %d\n" , prio, cos); |
736 | } |
737 | } |
738 | } |
739 | |
740 | /* setup tc must be called under rtnl lock, but we can't take it here |
741 | * as we are handling an attention on a work queue which must be |
742 | * flushed at some rtnl-locked contexts (e.g. if down) |
743 | */ |
744 | bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, verbose: 0); |
745 | } |
746 | |
747 | void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) |
748 | { |
749 | switch (state) { |
750 | case BNX2X_DCBX_STATE_NEG_RECEIVED: |
751 | { |
752 | DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_NEG_RECEIVED\n" ); |
753 | #ifdef BCM_DCBNL |
754 | /** |
755 | * Delete app tlvs from dcbnl before reading new |
756 | * negotiation results |
757 | */ |
758 | bnx2x_dcbnl_update_applist(bp, delall: true); |
759 | |
760 | /* Read remote mib if dcbx is in the FW */ |
761 | if (bnx2x_dcbx_read_shmem_remote_mib(bp)) |
762 | return; |
763 | #endif |
764 | /* Read neg results if dcbx is in the FW */ |
765 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) |
766 | return; |
767 | |
768 | bnx2x_dump_dcbx_drv_param(bp, features: &bp->dcbx_local_feat, |
769 | error: bp->dcbx_error); |
770 | |
771 | bnx2x_get_dcbx_drv_param(bp, features: &bp->dcbx_local_feat, |
772 | error: bp->dcbx_error); |
773 | |
774 | /* mark DCBX result for PMF migration */ |
775 | bnx2x_update_drv_flags(bp, |
776 | flags: 1 << DRV_FLAGS_DCB_CONFIGURED, |
777 | set: 1); |
778 | #ifdef BCM_DCBNL |
779 | /* |
780 | * Add new app tlvs to dcbnl |
781 | */ |
782 | bnx2x_dcbnl_update_applist(bp, delall: false); |
783 | #endif |
784 | /* |
785 | * reconfigure the netdevice with the results of the new |
786 | * dcbx negotiation. |
787 | */ |
788 | bnx2x_dcbx_update_tc_mapping(bp); |
789 | |
790 | /* |
791 | * allow other functions to update their netdevices |
792 | * accordingly |
793 | */ |
794 | if (IS_MF(bp)) |
795 | bnx2x_link_sync_notify(bp); |
796 | |
797 | bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, verbose: 0); |
798 | return; |
799 | } |
800 | case BNX2X_DCBX_STATE_TX_PAUSED: |
801 | DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_PAUSED\n" ); |
802 | bnx2x_pfc_set_pfc(bp); |
803 | |
804 | bnx2x_dcbx_update_ets_params(bp); |
805 | |
806 | /* ets may affect cmng configuration: reinit it in hw */ |
807 | bnx2x_set_local_cmng(bp); |
808 | return; |
809 | case BNX2X_DCBX_STATE_TX_RELEASED: |
810 | DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_RELEASED\n" ); |
811 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, param: 0); |
812 | #ifdef BCM_DCBNL |
813 | /* |
814 | * Send a notification for the new negotiated parameters |
815 | */ |
816 | dcbnl_cee_notify(dev: bp->dev, RTM_GETDCB, cmd: DCB_CMD_CEE_GET, seq: 0, pid: 0); |
817 | #endif |
818 | return; |
819 | default: |
820 | BNX2X_ERR("Unknown DCBX_STATE\n" ); |
821 | } |
822 | } |
823 | |
824 | #define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \ |
825 | BP_PORT(bp)*sizeof(struct lldp_admin_mib)) |
826 | |
827 | static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, |
828 | u32 dcbx_lldp_params_offset) |
829 | { |
830 | struct lldp_admin_mib admin_mib; |
831 | u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0; |
832 | u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp); |
833 | |
834 | /*shortcuts*/ |
835 | struct dcbx_features *af = &admin_mib.features; |
836 | struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params; |
837 | |
838 | memset(&admin_mib, 0, sizeof(struct lldp_admin_mib)); |
839 | |
840 | /* Read the data first */ |
841 | bnx2x_read_data(bp, buff: (u32 *)&admin_mib, addr: offset, |
842 | len: sizeof(struct lldp_admin_mib)); |
843 | |
844 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON) |
845 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); |
846 | else |
847 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); |
848 | |
849 | if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) { |
850 | |
851 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK); |
852 | admin_mib.ver_cfg_flags |= |
853 | (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) & |
854 | DCBX_CEE_VERSION_MASK; |
855 | |
856 | af->ets.enabled = (u8)dp->admin_ets_enable; |
857 | |
858 | af->pfc.enabled = (u8)dp->admin_pfc_enable; |
859 | |
860 | /* FOR IEEE dp->admin_tc_supported_tx_enable */ |
861 | if (dp->admin_ets_configuration_tx_enable) |
862 | SET_FLAGS(admin_mib.ver_cfg_flags, |
863 | DCBX_ETS_CONFIG_TX_ENABLED); |
864 | else |
865 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
866 | DCBX_ETS_CONFIG_TX_ENABLED); |
867 | /* For IEEE admin_ets_recommendation_tx_enable */ |
868 | if (dp->admin_pfc_tx_enable) |
869 | SET_FLAGS(admin_mib.ver_cfg_flags, |
870 | DCBX_PFC_CONFIG_TX_ENABLED); |
871 | else |
872 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
873 | DCBX_PFC_CONFIG_TX_ENABLED); |
874 | |
875 | if (dp->admin_application_priority_tx_enable) |
876 | SET_FLAGS(admin_mib.ver_cfg_flags, |
877 | DCBX_APP_CONFIG_TX_ENABLED); |
878 | else |
879 | RESET_FLAGS(admin_mib.ver_cfg_flags, |
880 | DCBX_APP_CONFIG_TX_ENABLED); |
881 | |
882 | if (dp->admin_ets_willing) |
883 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); |
884 | else |
885 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); |
886 | /* For IEEE admin_ets_reco_valid */ |
887 | if (dp->admin_pfc_willing) |
888 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); |
889 | else |
890 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); |
891 | |
892 | if (dp->admin_app_priority_willing) |
893 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); |
894 | else |
895 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); |
896 | |
897 | for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) { |
898 | DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i, |
899 | (u8)dp->admin_configuration_bw_precentage[i]); |
900 | |
901 | DP(BNX2X_MSG_DCB, "pg_bw_tbl[%d] = %02x\n" , |
902 | i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i)); |
903 | } |
904 | |
905 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { |
906 | DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i, |
907 | (u8)dp->admin_configuration_ets_pg[i]); |
908 | |
909 | DP(BNX2X_MSG_DCB, "pri_pg_tbl[%d] = %02x\n" , |
910 | i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); |
911 | } |
912 | |
913 | /*For IEEE admin_recommendation_bw_percentage |
914 | *For IEEE admin_recommendation_ets_pg */ |
915 | af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap; |
916 | for (i = 0; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { |
917 | if (dp->admin_priority_app_table[i].valid) { |
918 | struct bnx2x_admin_priority_app_table *table = |
919 | dp->admin_priority_app_table; |
920 | if ((ETH_TYPE_FCOE == table[i].app_id) && |
921 | (TRAFFIC_TYPE_ETH == table[i].traffic_type)) |
922 | traf_type = FCOE_APP_IDX; |
923 | else if ((TCP_PORT_ISCSI == table[i].app_id) && |
924 | (TRAFFIC_TYPE_PORT == table[i].traffic_type)) |
925 | traf_type = ISCSI_APP_IDX; |
926 | else |
927 | traf_type = other_traf_type++; |
928 | |
929 | af->app.app_pri_tbl[traf_type].app_id = |
930 | table[i].app_id; |
931 | |
932 | af->app.app_pri_tbl[traf_type].pri_bitmap = |
933 | (u8)(1 << table[i].priority); |
934 | |
935 | af->app.app_pri_tbl[traf_type].appBitfield = |
936 | (DCBX_APP_ENTRY_VALID); |
937 | |
938 | af->app.app_pri_tbl[traf_type].appBitfield |= |
939 | (TRAFFIC_TYPE_ETH == table[i].traffic_type) ? |
940 | DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT; |
941 | } |
942 | } |
943 | |
944 | af->app.default_pri = (u8)dp->admin_default_priority; |
945 | } |
946 | |
947 | /* Write the data. */ |
948 | bnx2x_write_data(bp, buff: (u32 *)&admin_mib, addr: offset, |
949 | len: sizeof(struct lldp_admin_mib)); |
950 | } |
951 | |
952 | void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled) |
953 | { |
954 | if (!CHIP_IS_E1x(bp)) { |
955 | bp->dcb_state = dcb_on; |
956 | bp->dcbx_enabled = dcbx_enabled; |
957 | } else { |
958 | bp->dcb_state = false; |
959 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID; |
960 | } |
961 | DP(BNX2X_MSG_DCB, "DCB state [%s:%s]\n" , |
962 | dcb_on ? "ON" : "OFF" , |
963 | dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" : |
964 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" : |
965 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ? |
966 | "on-chip with negotiation" : "invalid" ); |
967 | } |
968 | |
969 | void bnx2x_dcbx_init_params(struct bnx2x *bp) |
970 | { |
971 | bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */ |
972 | bp->dcbx_config_params.admin_ets_willing = 1; |
973 | bp->dcbx_config_params.admin_pfc_willing = 1; |
974 | bp->dcbx_config_params.overwrite_settings = 1; |
975 | bp->dcbx_config_params.admin_ets_enable = 1; |
976 | bp->dcbx_config_params.admin_pfc_enable = 1; |
977 | bp->dcbx_config_params.admin_tc_supported_tx_enable = 1; |
978 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
979 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; |
980 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; |
981 | bp->dcbx_config_params.admin_ets_reco_valid = 1; |
982 | bp->dcbx_config_params.admin_app_priority_willing = 1; |
983 | bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 100; |
984 | bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 0; |
985 | bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 0; |
986 | bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0; |
987 | bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0; |
988 | bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0; |
989 | bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0; |
990 | bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0; |
991 | bp->dcbx_config_params.admin_configuration_ets_pg[0] = 0; |
992 | bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0; |
993 | bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0; |
994 | bp->dcbx_config_params.admin_configuration_ets_pg[3] = 0; |
995 | bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0; |
996 | bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0; |
997 | bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0; |
998 | bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0; |
999 | bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 100; |
1000 | bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 0; |
1001 | bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 0; |
1002 | bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0; |
1003 | bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 0; |
1004 | bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 0; |
1005 | bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 0; |
1006 | bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 0; |
1007 | bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0; |
1008 | bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1; |
1009 | bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2; |
1010 | bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3; |
1011 | bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4; |
1012 | bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5; |
1013 | bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6; |
1014 | bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7; |
1015 | bp->dcbx_config_params.admin_pfc_bitmap = 0x0; |
1016 | bp->dcbx_config_params.admin_priority_app_table[0].valid = 0; |
1017 | bp->dcbx_config_params.admin_priority_app_table[1].valid = 0; |
1018 | bp->dcbx_config_params.admin_priority_app_table[2].valid = 0; |
1019 | bp->dcbx_config_params.admin_priority_app_table[3].valid = 0; |
1020 | bp->dcbx_config_params.admin_default_priority = 0; |
1021 | } |
1022 | |
1023 | void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem) |
1024 | { |
1025 | u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE; |
1026 | |
1027 | /* only PMF can send ADMIN msg to MFW in old MFW versions */ |
1028 | if ((!bp->port.pmf) && (!(bp->flags & BC_SUPPORTS_DCBX_MSG_NON_PMF))) |
1029 | return; |
1030 | |
1031 | if (bp->dcbx_enabled <= 0) |
1032 | return; |
1033 | |
1034 | /* validate: |
1035 | * chip of good for dcbx version, |
1036 | * dcb is wanted |
1037 | * shmem2 contains DCBX support fields |
1038 | */ |
1039 | DP(BNX2X_MSG_DCB, "dcb_state %d bp->port.pmf %d\n" , |
1040 | bp->dcb_state, bp->port.pmf); |
1041 | |
1042 | if (bp->dcb_state == BNX2X_DCB_STATE_ON && |
1043 | SHMEM2_HAS(bp, dcbx_lldp_params_offset)) { |
1044 | dcbx_lldp_params_offset = |
1045 | SHMEM2_RD(bp, dcbx_lldp_params_offset); |
1046 | |
1047 | DP(BNX2X_MSG_DCB, "dcbx_lldp_params_offset 0x%x\n" , |
1048 | dcbx_lldp_params_offset); |
1049 | |
1050 | bnx2x_update_drv_flags(bp, flags: 1 << DRV_FLAGS_DCB_CONFIGURED, set: 0); |
1051 | |
1052 | if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { |
1053 | /* need HW lock to avoid scenario of two drivers |
1054 | * writing in parallel to shmem |
1055 | */ |
1056 | bnx2x_acquire_hw_lock(bp, |
1057 | HW_LOCK_RESOURCE_DCBX_ADMIN_MIB); |
1058 | if (update_shmem) |
1059 | bnx2x_dcbx_admin_mib_updated_params(bp, |
1060 | dcbx_lldp_params_offset); |
1061 | |
1062 | /* Let HW start negotiation */ |
1063 | bnx2x_fw_command(bp, |
1064 | DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, param: 0); |
1065 | /* release HW lock only after MFW acks that it finished |
1066 | * reading values from shmem |
1067 | */ |
1068 | bnx2x_release_hw_lock(bp, |
1069 | HW_LOCK_RESOURCE_DCBX_ADMIN_MIB); |
1070 | } |
1071 | } |
1072 | } |
1073 | static void |
1074 | bnx2x_dcbx_print_cos_params(struct bnx2x *bp, |
1075 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
1076 | { |
1077 | u8 pri = 0; |
1078 | u8 cos = 0; |
1079 | |
1080 | DP(BNX2X_MSG_DCB, |
1081 | "pfc_fw_cfg->dcb_version %x\n" , pfc_fw_cfg->dcb_version); |
1082 | DP(BNX2X_MSG_DCB, |
1083 | "pdev->params.dcbx_port_params.pfc.priority_non_pauseable_mask %x\n" , |
1084 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask); |
1085 | |
1086 | for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) { |
1087 | DP(BNX2X_MSG_DCB, |
1088 | "pdev->params.dcbx_port_params.ets.cos_params[%d].pri_bitmask %x\n" , |
1089 | cos, bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask); |
1090 | |
1091 | DP(BNX2X_MSG_DCB, |
1092 | "pdev->params.dcbx_port_params.ets.cos_params[%d].bw_tbl %x\n" , |
1093 | cos, bp->dcbx_port_params.ets.cos_params[cos].bw_tbl); |
1094 | |
1095 | DP(BNX2X_MSG_DCB, |
1096 | "pdev->params.dcbx_port_params.ets.cos_params[%d].strict %x\n" , |
1097 | cos, bp->dcbx_port_params.ets.cos_params[cos].strict); |
1098 | |
1099 | DP(BNX2X_MSG_DCB, |
1100 | "pdev->params.dcbx_port_params.ets.cos_params[%d].pauseable %x\n" , |
1101 | cos, bp->dcbx_port_params.ets.cos_params[cos].pauseable); |
1102 | } |
1103 | |
1104 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { |
1105 | DP(BNX2X_MSG_DCB, |
1106 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].priority %x\n" , |
1107 | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority); |
1108 | |
1109 | DP(BNX2X_MSG_DCB, |
1110 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n" , |
1111 | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos); |
1112 | } |
1113 | } |
1114 | |
1115 | /* fills help_data according to pg_info */ |
1116 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, |
1117 | u32 *pg_pri_orginal_spread, |
1118 | struct pg_help_data *help_data) |
1119 | { |
1120 | bool pg_found = false; |
1121 | u32 i, traf_type, add_traf_type, add_pg; |
1122 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
1123 | struct pg_entry_help_data *data = help_data->data; /*shortcut*/ |
1124 | |
1125 | /* Set to invalid */ |
1126 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) |
1127 | data[i].pg = DCBX_ILLEGAL_PG; |
1128 | |
1129 | for (add_traf_type = 0; |
1130 | add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) { |
1131 | pg_found = false; |
1132 | if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) { |
1133 | add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]]; |
1134 | for (traf_type = 0; |
1135 | traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
1136 | traf_type++) { |
1137 | if (data[traf_type].pg == add_pg) { |
1138 | if (!(data[traf_type].pg_priority & |
1139 | (1 << ttp[add_traf_type]))) |
1140 | data[traf_type]. |
1141 | num_of_dif_pri++; |
1142 | data[traf_type].pg_priority |= |
1143 | (1 << ttp[add_traf_type]); |
1144 | pg_found = true; |
1145 | break; |
1146 | } |
1147 | } |
1148 | if (!pg_found) { |
1149 | data[help_data->num_of_pg].pg = add_pg; |
1150 | data[help_data->num_of_pg].pg_priority = |
1151 | (1 << ttp[add_traf_type]); |
1152 | data[help_data->num_of_pg].num_of_dif_pri = 1; |
1153 | help_data->num_of_pg++; |
1154 | } |
1155 | } |
1156 | DP(BNX2X_MSG_DCB, |
1157 | "add_traf_type %d pg_found %s num_of_pg %d\n" , |
1158 | add_traf_type, !pg_found ? "NO" : "YES" , |
1159 | help_data->num_of_pg); |
1160 | } |
1161 | } |
1162 | |
1163 | static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, |
1164 | struct cos_help_data *cos_data, |
1165 | u32 pri_join_mask) |
1166 | { |
1167 | /* Only one priority than only one COS */ |
1168 | cos_data->data[0].pausable = |
1169 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
1170 | cos_data->data[0].pri_join_mask = pri_join_mask; |
1171 | cos_data->data[0].cos_bw = 100; |
1172 | cos_data->num_of_cos = 1; |
1173 | } |
1174 | |
1175 | static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, |
1176 | struct cos_entry_help_data *data, |
1177 | u8 pg_bw) |
1178 | { |
1179 | if (data->cos_bw == DCBX_INVALID_COS_BW) |
1180 | data->cos_bw = pg_bw; |
1181 | else |
1182 | data->cos_bw += pg_bw; |
1183 | } |
1184 | |
1185 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
1186 | struct cos_help_data *cos_data, |
1187 | u32 *pg_pri_orginal_spread, |
1188 | struct dcbx_ets_feature *ets) |
1189 | { |
1190 | u32 pri_tested = 0; |
1191 | u8 i = 0; |
1192 | u8 entry = 0; |
1193 | u8 pg_entry = 0; |
1194 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
1195 | |
1196 | cos_data->data[0].pausable = true; |
1197 | cos_data->data[1].pausable = false; |
1198 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; |
1199 | |
1200 | for (i = 0 ; i < num_of_pri ; i++) { |
1201 | pri_tested = 1 << bp->dcbx_port_params. |
1202 | app.traffic_type_priority[i]; |
1203 | |
1204 | if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) { |
1205 | cos_data->data[1].pri_join_mask |= pri_tested; |
1206 | entry = 1; |
1207 | } else { |
1208 | cos_data->data[0].pri_join_mask |= pri_tested; |
1209 | entry = 0; |
1210 | } |
1211 | pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params. |
1212 | app.traffic_type_priority[i]]; |
1213 | /* There can be only one strict pg */ |
1214 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) |
1215 | bnx2x_dcbx_add_to_cos_bw(bp, data: &cos_data->data[entry], |
1216 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); |
1217 | else |
1218 | /* If we join a group and one is strict |
1219 | * than the bw rules |
1220 | */ |
1221 | cos_data->data[entry].strict = |
1222 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
1223 | } |
1224 | if ((0 == cos_data->data[0].pri_join_mask) && |
1225 | (0 == cos_data->data[1].pri_join_mask)) |
1226 | BNX2X_ERR("dcbx error: Both groups must have priorities\n" ); |
1227 | } |
1228 | |
1229 | #ifndef POWER_OF_2 |
1230 | #define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1)))) |
1231 | #endif |
1232 | |
1233 | static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp, |
1234 | struct pg_help_data *pg_help_data, |
1235 | struct cos_help_data *cos_data, |
1236 | u32 pri_join_mask, |
1237 | u8 num_of_dif_pri) |
1238 | { |
1239 | u8 i = 0; |
1240 | u32 pri_tested = 0; |
1241 | u32 pri_mask_without_pri = 0; |
1242 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
1243 | /*debug*/ |
1244 | if (num_of_dif_pri == 1) { |
1245 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask); |
1246 | return; |
1247 | } |
1248 | /* single priority group */ |
1249 | if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
1250 | /* If there are both pauseable and non-pauseable priorities, |
1251 | * the pauseable priorities go to the first queue and |
1252 | * the non-pauseable priorities go to the second queue. |
1253 | */ |
1254 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
1255 | /* Pauseable */ |
1256 | cos_data->data[0].pausable = true; |
1257 | /* Non pauseable.*/ |
1258 | cos_data->data[1].pausable = false; |
1259 | |
1260 | if (2 == num_of_dif_pri) { |
1261 | cos_data->data[0].cos_bw = 50; |
1262 | cos_data->data[1].cos_bw = 50; |
1263 | } |
1264 | |
1265 | if (3 == num_of_dif_pri) { |
1266 | if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp, |
1267 | pri_join_mask))) { |
1268 | cos_data->data[0].cos_bw = 33; |
1269 | cos_data->data[1].cos_bw = 67; |
1270 | } else { |
1271 | cos_data->data[0].cos_bw = 67; |
1272 | cos_data->data[1].cos_bw = 33; |
1273 | } |
1274 | } |
1275 | |
1276 | } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) { |
1277 | /* If there are only pauseable priorities, |
1278 | * then one/two priorities go to the first queue |
1279 | * and one priority goes to the second queue. |
1280 | */ |
1281 | if (2 == num_of_dif_pri) { |
1282 | cos_data->data[0].cos_bw = 50; |
1283 | cos_data->data[1].cos_bw = 50; |
1284 | } else { |
1285 | cos_data->data[0].cos_bw = 67; |
1286 | cos_data->data[1].cos_bw = 33; |
1287 | } |
1288 | cos_data->data[1].pausable = true; |
1289 | cos_data->data[0].pausable = true; |
1290 | /* All priorities except FCOE */ |
1291 | cos_data->data[0].pri_join_mask = (pri_join_mask & |
1292 | ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]))); |
1293 | /* Only FCOE priority.*/ |
1294 | cos_data->data[1].pri_join_mask = |
1295 | (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]); |
1296 | } else |
1297 | /* If there are only non-pauseable priorities, |
1298 | * they will all go to the same queue. |
1299 | */ |
1300 | bnx2x_dcbx_ets_disabled_entry_data(bp, |
1301 | cos_data, pri_join_mask); |
1302 | } else { |
1303 | /* priority group which is not BW limited (PG#15):*/ |
1304 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
1305 | /* If there are both pauseable and non-pauseable |
1306 | * priorities, the pauseable priorities go to the first |
1307 | * queue and the non-pauseable priorities |
1308 | * go to the second queue. |
1309 | */ |
1310 | if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) > |
1311 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) { |
1312 | cos_data->data[0].strict = |
1313 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
1314 | cos_data->data[1].strict = |
1315 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
1316 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
1317 | } else { |
1318 | cos_data->data[0].strict = |
1319 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
1320 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
1321 | cos_data->data[1].strict = |
1322 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
1323 | } |
1324 | /* Pauseable */ |
1325 | cos_data->data[0].pausable = true; |
1326 | /* Non pause-able.*/ |
1327 | cos_data->data[1].pausable = false; |
1328 | } else { |
1329 | /* If there are only pauseable priorities or |
1330 | * only non-pauseable,* the lower priorities go |
1331 | * to the first queue and the higher priorities go |
1332 | * to the second queue. |
1333 | */ |
1334 | cos_data->data[0].pausable = |
1335 | cos_data->data[1].pausable = |
1336 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
1337 | |
1338 | for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) { |
1339 | pri_tested = 1 << bp->dcbx_port_params. |
1340 | app.traffic_type_priority[i]; |
1341 | /* Remove priority tested */ |
1342 | pri_mask_without_pri = |
1343 | (pri_join_mask & ((u8)(~pri_tested))); |
1344 | if (pri_mask_without_pri < pri_tested) |
1345 | break; |
1346 | } |
1347 | |
1348 | if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX) |
1349 | BNX2X_ERR("Invalid value for pri_join_mask - could not find a priority\n" ); |
1350 | |
1351 | cos_data->data[0].pri_join_mask = pri_mask_without_pri; |
1352 | cos_data->data[1].pri_join_mask = pri_tested; |
1353 | /* Both queues are strict priority, |
1354 | * and that with the highest priority |
1355 | * gets the highest strict priority in the arbiter. |
1356 | */ |
1357 | cos_data->data[0].strict = |
1358 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
1359 | BNX2X_DCBX_STRICT_COS_HIGHEST); |
1360 | cos_data->data[1].strict = |
1361 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
1362 | } |
1363 | } |
1364 | } |
1365 | |
1366 | static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
1367 | struct bnx2x *bp, |
1368 | struct pg_help_data *pg_help_data, |
1369 | struct dcbx_ets_feature *ets, |
1370 | struct cos_help_data *cos_data, |
1371 | u32 *pg_pri_orginal_spread, |
1372 | u32 pri_join_mask, |
1373 | u8 num_of_dif_pri) |
1374 | { |
1375 | u8 i = 0; |
1376 | u8 pg[DCBX_COS_MAX_NUM_E2] = { 0 }; |
1377 | |
1378 | /* If there are both pauseable and non-pauseable priorities, |
1379 | * the pauseable priorities go to the first queue and |
1380 | * the non-pauseable priorities go to the second queue. |
1381 | */ |
1382 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { |
1383 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, |
1384 | pg_help_data->data[0].pg_priority) || |
1385 | IS_DCBX_PFC_PRI_MIX_PAUSE(bp, |
1386 | pg_help_data->data[1].pg_priority)) { |
1387 | /* If one PG contains both pauseable and |
1388 | * non-pauseable priorities then ETS is disabled. |
1389 | */ |
1390 | bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data, |
1391 | pg_pri_orginal_spread, ets); |
1392 | bp->dcbx_port_params.ets.enabled = false; |
1393 | return; |
1394 | } |
1395 | |
1396 | /* Pauseable */ |
1397 | cos_data->data[0].pausable = true; |
1398 | /* Non pauseable. */ |
1399 | cos_data->data[1].pausable = false; |
1400 | if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, |
1401 | pg_help_data->data[0].pg_priority)) { |
1402 | /* 0 is pauseable */ |
1403 | cos_data->data[0].pri_join_mask = |
1404 | pg_help_data->data[0].pg_priority; |
1405 | pg[0] = pg_help_data->data[0].pg; |
1406 | cos_data->data[1].pri_join_mask = |
1407 | pg_help_data->data[1].pg_priority; |
1408 | pg[1] = pg_help_data->data[1].pg; |
1409 | } else {/* 1 is pauseable */ |
1410 | cos_data->data[0].pri_join_mask = |
1411 | pg_help_data->data[1].pg_priority; |
1412 | pg[0] = pg_help_data->data[1].pg; |
1413 | cos_data->data[1].pri_join_mask = |
1414 | pg_help_data->data[0].pg_priority; |
1415 | pg[1] = pg_help_data->data[0].pg; |
1416 | } |
1417 | } else { |
1418 | /* If there are only pauseable priorities or |
1419 | * only non-pauseable, each PG goes to a queue. |
1420 | */ |
1421 | cos_data->data[0].pausable = cos_data->data[1].pausable = |
1422 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
1423 | cos_data->data[0].pri_join_mask = |
1424 | pg_help_data->data[0].pg_priority; |
1425 | pg[0] = pg_help_data->data[0].pg; |
1426 | cos_data->data[1].pri_join_mask = |
1427 | pg_help_data->data[1].pg_priority; |
1428 | pg[1] = pg_help_data->data[1].pg; |
1429 | } |
1430 | |
1431 | /* There can be only one strict pg */ |
1432 | for (i = 0 ; i < ARRAY_SIZE(pg); i++) { |
1433 | if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES) |
1434 | cos_data->data[i].cos_bw = |
1435 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]); |
1436 | else |
1437 | cos_data->data[i].strict = |
1438 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
1439 | } |
1440 | } |
1441 | |
1442 | static int bnx2x_dcbx_join_pgs( |
1443 | struct bnx2x *bp, |
1444 | struct dcbx_ets_feature *ets, |
1445 | struct pg_help_data *pg_help_data, |
1446 | u8 required_num_of_pg) |
1447 | { |
1448 | u8 entry_joined = pg_help_data->num_of_pg - 1; |
1449 | u8 entry_removed = entry_joined + 1; |
1450 | u8 pg_joined = 0; |
1451 | |
1452 | if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data) |
1453 | <= pg_help_data->num_of_pg) { |
1454 | |
1455 | BNX2X_ERR("required_num_of_pg can't be zero\n" ); |
1456 | return -EINVAL; |
1457 | } |
1458 | |
1459 | while (required_num_of_pg < pg_help_data->num_of_pg) { |
1460 | entry_joined = pg_help_data->num_of_pg - 2; |
1461 | entry_removed = entry_joined + 1; |
1462 | /* protect index */ |
1463 | entry_removed %= ARRAY_SIZE(pg_help_data->data); |
1464 | |
1465 | pg_help_data->data[entry_joined].pg_priority |= |
1466 | pg_help_data->data[entry_removed].pg_priority; |
1467 | |
1468 | pg_help_data->data[entry_joined].num_of_dif_pri += |
1469 | pg_help_data->data[entry_removed].num_of_dif_pri; |
1470 | |
1471 | if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG || |
1472 | pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG) |
1473 | /* Entries joined strict priority rules */ |
1474 | pg_help_data->data[entry_joined].pg = |
1475 | DCBX_STRICT_PRI_PG; |
1476 | else { |
1477 | /* Entries can be joined join BW */ |
1478 | pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl, |
1479 | pg_help_data->data[entry_joined].pg) + |
1480 | DCBX_PG_BW_GET(ets->pg_bw_tbl, |
1481 | pg_help_data->data[entry_removed].pg); |
1482 | |
1483 | DCBX_PG_BW_SET(ets->pg_bw_tbl, |
1484 | pg_help_data->data[entry_joined].pg, pg_joined); |
1485 | } |
1486 | /* Joined the entries */ |
1487 | pg_help_data->num_of_pg--; |
1488 | } |
1489 | |
1490 | return 0; |
1491 | } |
1492 | |
1493 | static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
1494 | struct bnx2x *bp, |
1495 | struct pg_help_data *pg_help_data, |
1496 | struct dcbx_ets_feature *ets, |
1497 | struct cos_help_data *cos_data, |
1498 | u32 *pg_pri_orginal_spread, |
1499 | u32 pri_join_mask, |
1500 | u8 num_of_dif_pri) |
1501 | { |
1502 | u8 i = 0; |
1503 | u32 pri_tested = 0; |
1504 | u8 entry = 0; |
1505 | u8 pg_entry = 0; |
1506 | bool b_found_strict = false; |
1507 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; |
1508 | |
1509 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; |
1510 | /* If there are both pauseable and non-pauseable priorities, |
1511 | * the pauseable priorities go to the first queue and the |
1512 | * non-pauseable priorities go to the second queue. |
1513 | */ |
1514 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) |
1515 | bnx2x_dcbx_separate_pauseable_from_non(bp, |
1516 | cos_data, pg_pri_orginal_spread, ets); |
1517 | else { |
1518 | /* If two BW-limited PG-s were combined to one queue, |
1519 | * the BW is their sum. |
1520 | * |
1521 | * If there are only pauseable priorities or only non-pauseable, |
1522 | * and there are both BW-limited and non-BW-limited PG-s, |
1523 | * the BW-limited PG/s go to one queue and the non-BW-limited |
1524 | * PG/s go to the second queue. |
1525 | * |
1526 | * If there are only pauseable priorities or only non-pauseable |
1527 | * and all are BW limited, then two priorities go to the first |
1528 | * queue and one priority goes to the second queue. |
1529 | * |
1530 | * We will join this two cases: |
1531 | * if one is BW limited it will go to the second queue |
1532 | * otherwise the last priority will get it |
1533 | */ |
1534 | |
1535 | cos_data->data[0].pausable = cos_data->data[1].pausable = |
1536 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); |
1537 | |
1538 | for (i = 0 ; i < num_of_pri; i++) { |
1539 | pri_tested = 1 << bp->dcbx_port_params. |
1540 | app.traffic_type_priority[i]; |
1541 | pg_entry = (u8)pg_pri_orginal_spread[bp-> |
1542 | dcbx_port_params.app.traffic_type_priority[i]]; |
1543 | |
1544 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
1545 | entry = 0; |
1546 | |
1547 | if (i == (num_of_pri-1) && !b_found_strict) |
1548 | /* last entry will be handled separately |
1549 | * If no priority is strict than last |
1550 | * entry goes to last queue. |
1551 | */ |
1552 | entry = 1; |
1553 | cos_data->data[entry].pri_join_mask |= |
1554 | pri_tested; |
1555 | bnx2x_dcbx_add_to_cos_bw(bp, |
1556 | data: &cos_data->data[entry], |
1557 | DCBX_PG_BW_GET(ets->pg_bw_tbl, |
1558 | pg_entry)); |
1559 | } else { |
1560 | b_found_strict = true; |
1561 | cos_data->data[1].pri_join_mask |= pri_tested; |
1562 | /* If we join a group and one is strict |
1563 | * than the bw rules |
1564 | */ |
1565 | cos_data->data[1].strict = |
1566 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
1567 | } |
1568 | } |
1569 | } |
1570 | } |
1571 | |
1572 | static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, |
1573 | struct pg_help_data *help_data, |
1574 | struct dcbx_ets_feature *ets, |
1575 | struct cos_help_data *cos_data, |
1576 | u32 *pg_pri_orginal_spread, |
1577 | u32 pri_join_mask, |
1578 | u8 num_of_dif_pri) |
1579 | { |
1580 | /* default E2 settings */ |
1581 | cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2; |
1582 | |
1583 | switch (help_data->num_of_pg) { |
1584 | case 1: |
1585 | bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params( |
1586 | bp, |
1587 | pg_help_data: help_data, |
1588 | cos_data, |
1589 | pri_join_mask, |
1590 | num_of_dif_pri); |
1591 | break; |
1592 | case 2: |
1593 | bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
1594 | bp, |
1595 | pg_help_data: help_data, |
1596 | ets, |
1597 | cos_data, |
1598 | pg_pri_orginal_spread, |
1599 | pri_join_mask, |
1600 | num_of_dif_pri); |
1601 | break; |
1602 | |
1603 | case 3: |
1604 | bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
1605 | bp, |
1606 | pg_help_data: help_data, |
1607 | ets, |
1608 | cos_data, |
1609 | pg_pri_orginal_spread, |
1610 | pri_join_mask, |
1611 | num_of_dif_pri); |
1612 | break; |
1613 | default: |
1614 | BNX2X_ERR("Wrong pg_help_data.num_of_pg\n" ); |
1615 | bnx2x_dcbx_ets_disabled_entry_data(bp, |
1616 | cos_data, pri_join_mask); |
1617 | } |
1618 | } |
1619 | |
1620 | static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp, |
1621 | struct cos_help_data *cos_data, |
1622 | u8 entry, |
1623 | u8 num_spread_of_entries, |
1624 | u8 strict_app_pris) |
1625 | { |
1626 | u8 strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST; |
1627 | u8 num_of_app_pri = MAX_PFC_PRIORITIES; |
1628 | u8 app_pri_bit = 0; |
1629 | |
1630 | while (num_spread_of_entries && num_of_app_pri > 0) { |
1631 | app_pri_bit = 1 << (num_of_app_pri - 1); |
1632 | if (app_pri_bit & strict_app_pris) { |
1633 | struct cos_entry_help_data *data = &cos_data-> |
1634 | data[entry]; |
1635 | num_spread_of_entries--; |
1636 | if (num_spread_of_entries == 0) { |
1637 | /* last entry needed put all the entries left */ |
1638 | data->cos_bw = DCBX_INVALID_COS_BW; |
1639 | data->strict = strict_pri; |
1640 | data->pri_join_mask = strict_app_pris; |
1641 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
1642 | data->pri_join_mask); |
1643 | } else { |
1644 | strict_app_pris &= ~app_pri_bit; |
1645 | |
1646 | data->cos_bw = DCBX_INVALID_COS_BW; |
1647 | data->strict = strict_pri; |
1648 | data->pri_join_mask = app_pri_bit; |
1649 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
1650 | data->pri_join_mask); |
1651 | } |
1652 | |
1653 | strict_pri = |
1654 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri); |
1655 | entry++; |
1656 | } |
1657 | |
1658 | num_of_app_pri--; |
1659 | } |
1660 | |
1661 | if (num_spread_of_entries) { |
1662 | BNX2X_ERR("Didn't succeed to spread strict priorities\n" ); |
1663 | return -EINVAL; |
1664 | } |
1665 | |
1666 | return 0; |
1667 | } |
1668 | |
1669 | static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp, |
1670 | struct cos_help_data *cos_data, |
1671 | u8 entry, |
1672 | u8 num_spread_of_entries, |
1673 | u8 strict_app_pris) |
1674 | { |
1675 | if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry, |
1676 | num_spread_of_entries, |
1677 | strict_app_pris)) { |
1678 | struct cos_entry_help_data *data = &cos_data-> |
1679 | data[entry]; |
1680 | /* Fill BW entry */ |
1681 | data->cos_bw = DCBX_INVALID_COS_BW; |
1682 | data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST; |
1683 | data->pri_join_mask = strict_app_pris; |
1684 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
1685 | data->pri_join_mask); |
1686 | return 1; |
1687 | } |
1688 | |
1689 | return num_spread_of_entries; |
1690 | } |
1691 | |
1692 | static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp, |
1693 | struct pg_help_data *help_data, |
1694 | struct dcbx_ets_feature *ets, |
1695 | struct cos_help_data *cos_data, |
1696 | u32 pri_join_mask) |
1697 | |
1698 | { |
1699 | u8 need_num_of_entries = 0; |
1700 | u8 i = 0; |
1701 | u8 entry = 0; |
1702 | |
1703 | /* |
1704 | * if the number of requested PG-s in CEE is greater than 3 |
1705 | * then the results are not determined since this is a violation |
1706 | * of the standard. |
1707 | */ |
1708 | if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) { |
1709 | if (bnx2x_dcbx_join_pgs(bp, ets, pg_help_data: help_data, |
1710 | DCBX_COS_MAX_NUM_E3B0)) { |
1711 | BNX2X_ERR("Unable to reduce the number of PGs - we will disables ETS\n" ); |
1712 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, |
1713 | pri_join_mask); |
1714 | return; |
1715 | } |
1716 | } |
1717 | |
1718 | for (i = 0 ; i < help_data->num_of_pg; i++) { |
1719 | struct pg_entry_help_data *pg = &help_data->data[i]; |
1720 | if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { |
1721 | struct cos_entry_help_data *data = &cos_data-> |
1722 | data[entry]; |
1723 | /* Fill BW entry */ |
1724 | data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg); |
1725 | data->strict = BNX2X_DCBX_STRICT_INVALID; |
1726 | data->pri_join_mask = pg->pg_priority; |
1727 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, |
1728 | data->pri_join_mask); |
1729 | |
1730 | entry++; |
1731 | } else { |
1732 | need_num_of_entries = min_t(u8, |
1733 | (u8)pg->num_of_dif_pri, |
1734 | (u8)DCBX_COS_MAX_NUM_E3B0 - |
1735 | help_data->num_of_pg + 1); |
1736 | /* |
1737 | * If there are still VOQ-s which have no associated PG, |
1738 | * then associate these VOQ-s to PG15. These PG-s will |
1739 | * be used for SP between priorities on PG15. |
1740 | */ |
1741 | entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data, |
1742 | entry, num_spread_of_entries: need_num_of_entries, strict_app_pris: pg->pg_priority); |
1743 | } |
1744 | } |
1745 | |
1746 | /* the entry will represent the number of COSes used */ |
1747 | cos_data->num_of_cos = entry; |
1748 | } |
1749 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, |
1750 | struct pg_help_data *help_data, |
1751 | struct dcbx_ets_feature *ets, |
1752 | u32 *pg_pri_orginal_spread) |
1753 | { |
1754 | struct cos_help_data cos_data; |
1755 | u8 i = 0; |
1756 | u32 pri_join_mask = 0; |
1757 | u8 num_of_dif_pri = 0; |
1758 | |
1759 | memset(&cos_data, 0, sizeof(cos_data)); |
1760 | |
1761 | /* Validate the pg value */ |
1762 | for (i = 0; i < help_data->num_of_pg ; i++) { |
1763 | if (DCBX_STRICT_PRIORITY != help_data->data[i].pg && |
1764 | DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg) |
1765 | BNX2X_ERR("Invalid pg[%d] data %x\n" , i, |
1766 | help_data->data[i].pg); |
1767 | pri_join_mask |= help_data->data[i].pg_priority; |
1768 | num_of_dif_pri += help_data->data[i].num_of_dif_pri; |
1769 | } |
1770 | |
1771 | /* defaults */ |
1772 | cos_data.num_of_cos = 1; |
1773 | for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) { |
1774 | cos_data.data[i].pri_join_mask = 0; |
1775 | cos_data.data[i].pausable = false; |
1776 | cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID; |
1777 | cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW; |
1778 | } |
1779 | |
1780 | if (CHIP_IS_E3B0(bp)) |
1781 | bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets, |
1782 | cos_data: &cos_data, pri_join_mask); |
1783 | else /* E2 + E3A0 */ |
1784 | bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp, |
1785 | help_data, ets, |
1786 | cos_data: &cos_data, |
1787 | pg_pri_orginal_spread, |
1788 | pri_join_mask, |
1789 | num_of_dif_pri); |
1790 | |
1791 | for (i = 0; i < cos_data.num_of_cos ; i++) { |
1792 | struct bnx2x_dcbx_cos_params *p = |
1793 | &bp->dcbx_port_params.ets.cos_params[i]; |
1794 | |
1795 | p->strict = cos_data.data[i].strict; |
1796 | p->bw_tbl = cos_data.data[i].cos_bw; |
1797 | p->pri_bitmask = cos_data.data[i].pri_join_mask; |
1798 | p->pauseable = cos_data.data[i].pausable; |
1799 | |
1800 | /* sanity */ |
1801 | if (p->bw_tbl != DCBX_INVALID_COS_BW || |
1802 | p->strict != BNX2X_DCBX_STRICT_INVALID) { |
1803 | if (p->pri_bitmask == 0) |
1804 | BNX2X_ERR("Invalid pri_bitmask for %d\n" , i); |
1805 | |
1806 | if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) { |
1807 | |
1808 | if (p->pauseable && |
1809 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, |
1810 | p->pri_bitmask) != 0) |
1811 | BNX2X_ERR("Inconsistent config for pausable COS %d\n" , |
1812 | i); |
1813 | |
1814 | if (!p->pauseable && |
1815 | DCBX_PFC_PRI_GET_PAUSE(bp, |
1816 | p->pri_bitmask) != 0) |
1817 | BNX2X_ERR("Inconsistent config for nonpausable COS %d\n" , |
1818 | i); |
1819 | } |
1820 | } |
1821 | |
1822 | if (p->pauseable) |
1823 | DP(BNX2X_MSG_DCB, "COS %d PAUSABLE prijoinmask 0x%x\n" , |
1824 | i, cos_data.data[i].pri_join_mask); |
1825 | else |
1826 | DP(BNX2X_MSG_DCB, |
1827 | "COS %d NONPAUSABLE prijoinmask 0x%x\n" , |
1828 | i, cos_data.data[i].pri_join_mask); |
1829 | } |
1830 | |
1831 | bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ; |
1832 | } |
1833 | |
1834 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
1835 | u32 *set_configuration_ets_pg, |
1836 | u32 *pri_pg_tbl) |
1837 | { |
1838 | int i; |
1839 | |
1840 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { |
1841 | set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i); |
1842 | |
1843 | DP(BNX2X_MSG_DCB, "set_configuration_ets_pg[%d] = 0x%x\n" , |
1844 | i, set_configuration_ets_pg[i]); |
1845 | } |
1846 | } |
1847 | |
1848 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
1849 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
1850 | { |
1851 | u16 pri_bit = 0; |
1852 | u8 cos = 0, pri = 0; |
1853 | struct priority_cos *tt2cos; |
1854 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; |
1855 | int mfw_configured = SHMEM2_HAS(bp, drv_flags) && |
1856 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), |
1857 | 1 << DRV_FLAGS_DCB_MFW_CONFIGURED); |
1858 | |
1859 | memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg)); |
1860 | |
1861 | /* to disable DCB - the structure must be zeroed */ |
1862 | if ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured) |
1863 | return; |
1864 | |
1865 | /*shortcut*/ |
1866 | tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos; |
1867 | |
1868 | /* Fw version should be incremented each update */ |
1869 | pfc_fw_cfg->dcb_version = ++bp->dcb_version; |
1870 | pfc_fw_cfg->dcb_enabled = 1; |
1871 | |
1872 | /* Fill priority parameters */ |
1873 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { |
1874 | tt2cos[pri].priority = ttp[pri]; |
1875 | pri_bit = 1 << tt2cos[pri].priority; |
1876 | |
1877 | /* Fill COS parameters based on COS calculated to |
1878 | * make it more general for future use */ |
1879 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) |
1880 | if (bp->dcbx_port_params.ets.cos_params[cos]. |
1881 | pri_bitmask & pri_bit) |
1882 | tt2cos[pri].cos = cos; |
1883 | |
1884 | pfc_fw_cfg->dcb_outer_pri[pri] = ttp[pri]; |
1885 | } |
1886 | |
1887 | /* we never want the FW to add a 0 vlan tag */ |
1888 | pfc_fw_cfg->dont_add_pri_0_en = 1; |
1889 | |
1890 | bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg); |
1891 | } |
1892 | |
1893 | void bnx2x_dcbx_pmf_update(struct bnx2x *bp) |
1894 | { |
1895 | /* if we need to synchronize DCBX result from prev PMF |
1896 | * read it from shmem and update bp and netdev accordingly |
1897 | */ |
1898 | if (SHMEM2_HAS(bp, drv_flags) && |
1899 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), 1 << DRV_FLAGS_DCB_CONFIGURED)) { |
1900 | /* Read neg results if dcbx is in the FW */ |
1901 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) |
1902 | return; |
1903 | |
1904 | bnx2x_dump_dcbx_drv_param(bp, features: &bp->dcbx_local_feat, |
1905 | error: bp->dcbx_error); |
1906 | bnx2x_get_dcbx_drv_param(bp, features: &bp->dcbx_local_feat, |
1907 | error: bp->dcbx_error); |
1908 | #ifdef BCM_DCBNL |
1909 | /* |
1910 | * Add new app tlvs to dcbnl |
1911 | */ |
1912 | bnx2x_dcbnl_update_applist(bp, delall: false); |
1913 | /* |
1914 | * Send a notification for the new negotiated parameters |
1915 | */ |
1916 | dcbnl_cee_notify(dev: bp->dev, RTM_GETDCB, cmd: DCB_CMD_CEE_GET, seq: 0, pid: 0); |
1917 | #endif |
1918 | /* |
1919 | * reconfigure the netdevice with the results of the new |
1920 | * dcbx negotiation. |
1921 | */ |
1922 | bnx2x_dcbx_update_tc_mapping(bp); |
1923 | } |
1924 | } |
1925 | |
1926 | /* DCB netlink */ |
1927 | #ifdef BCM_DCBNL |
1928 | |
1929 | #define BNX2X_DCBX_CAPS (DCB_CAP_DCBX_LLD_MANAGED | \ |
1930 | DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC) |
1931 | |
1932 | static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp) |
1933 | { |
1934 | /* validate dcbnl call that may change HW state: |
1935 | * DCB is on and DCBX mode was SUCCESSFULLY set by the user. |
1936 | */ |
1937 | return bp->dcb_state && bp->dcbx_mode_uset; |
1938 | } |
1939 | |
1940 | static u8 bnx2x_dcbnl_get_state(struct net_device *netdev) |
1941 | { |
1942 | struct bnx2x *bp = netdev_priv(dev: netdev); |
1943 | DP(BNX2X_MSG_DCB, "state = %d\n" , bp->dcb_state); |
1944 | return bp->dcb_state; |
1945 | } |
1946 | |
1947 | static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state) |
1948 | { |
1949 | struct bnx2x *bp = netdev_priv(dev: netdev); |
1950 | DP(BNX2X_MSG_DCB, "state = %s\n" , state ? "on" : "off" ); |
1951 | |
1952 | /* Fail to set state to "enabled" if dcbx is disabled in nvram */ |
1953 | if (state && ((bp->dcbx_enabled == BNX2X_DCBX_ENABLED_OFF) || |
1954 | (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_INVALID))) { |
1955 | DP(BNX2X_MSG_DCB, "Can not set dcbx to enabled while it is disabled in nvm\n" ); |
1956 | return 1; |
1957 | } |
1958 | |
1959 | bnx2x_dcbx_set_state(bp, dcb_on: (state ? true : false), dcbx_enabled: bp->dcbx_enabled); |
1960 | return 0; |
1961 | } |
1962 | |
1963 | static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev, |
1964 | u8 *perm_addr) |
1965 | { |
1966 | struct bnx2x *bp = netdev_priv(dev: netdev); |
1967 | DP(BNX2X_MSG_DCB, "GET-PERM-ADDR\n" ); |
1968 | |
1969 | /* first the HW mac address */ |
1970 | memcpy(perm_addr, netdev->dev_addr, netdev->addr_len); |
1971 | |
1972 | if (CNIC_LOADED(bp)) |
1973 | /* second SAN address */ |
1974 | memcpy(perm_addr+netdev->addr_len, bp->fip_mac, |
1975 | netdev->addr_len); |
1976 | } |
1977 | |
1978 | static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio, |
1979 | u8 prio_type, u8 pgid, u8 bw_pct, |
1980 | u8 up_map) |
1981 | { |
1982 | struct bnx2x *bp = netdev_priv(dev: netdev); |
1983 | |
1984 | DP(BNX2X_MSG_DCB, "prio[%d] = %d\n" , prio, pgid); |
1985 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) |
1986 | return; |
1987 | |
1988 | /** |
1989 | * bw_pct ignored - band-width percentage devision between user |
1990 | * priorities within the same group is not |
1991 | * standard and hence not supported |
1992 | * |
1993 | * prio_type ignored - priority levels within the same group are not |
1994 | * standard and hence are not supported. According |
1995 | * to the standard pgid 15 is dedicated to strict |
1996 | * priority traffic (on the port level). |
1997 | * |
1998 | * up_map ignored |
1999 | */ |
2000 | |
2001 | bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid; |
2002 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
2003 | } |
2004 | |
2005 | static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev, |
2006 | int pgid, u8 bw_pct) |
2007 | { |
2008 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2009 | DP(BNX2X_MSG_DCB, "pgid[%d] = %d\n" , pgid, bw_pct); |
2010 | |
2011 | if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) |
2012 | return; |
2013 | |
2014 | bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct; |
2015 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; |
2016 | } |
2017 | |
2018 | static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio, |
2019 | u8 prio_type, u8 pgid, u8 bw_pct, |
2020 | u8 up_map) |
2021 | { |
2022 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2023 | DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n" ); |
2024 | } |
2025 | |
2026 | static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev, |
2027 | int pgid, u8 bw_pct) |
2028 | { |
2029 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2030 | DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n" ); |
2031 | } |
2032 | |
2033 | static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio, |
2034 | u8 *prio_type, u8 *pgid, u8 *bw_pct, |
2035 | u8 *up_map) |
2036 | { |
2037 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2038 | DP(BNX2X_MSG_DCB, "prio = %d\n" , prio); |
2039 | |
2040 | /** |
2041 | * bw_pct ignored - band-width percentage devision between user |
2042 | * priorities within the same group is not |
2043 | * standard and hence not supported |
2044 | * |
2045 | * prio_type ignored - priority levels within the same group are not |
2046 | * standard and hence are not supported. According |
2047 | * to the standard pgid 15 is dedicated to strict |
2048 | * priority traffic (on the port level). |
2049 | * |
2050 | * up_map ignored |
2051 | */ |
2052 | *up_map = *bw_pct = *prio_type = *pgid = 0; |
2053 | |
2054 | if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) |
2055 | return; |
2056 | |
2057 | *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio); |
2058 | } |
2059 | |
2060 | static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev, |
2061 | int pgid, u8 *bw_pct) |
2062 | { |
2063 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2064 | DP(BNX2X_MSG_DCB, "pgid = %d\n" , pgid); |
2065 | |
2066 | *bw_pct = 0; |
2067 | |
2068 | if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) |
2069 | return; |
2070 | |
2071 | *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid); |
2072 | } |
2073 | |
2074 | static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio, |
2075 | u8 *prio_type, u8 *pgid, u8 *bw_pct, |
2076 | u8 *up_map) |
2077 | { |
2078 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2079 | DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n" ); |
2080 | |
2081 | *prio_type = *pgid = *bw_pct = *up_map = 0; |
2082 | } |
2083 | |
2084 | static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev, |
2085 | int pgid, u8 *bw_pct) |
2086 | { |
2087 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2088 | DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n" ); |
2089 | |
2090 | *bw_pct = 0; |
2091 | } |
2092 | |
2093 | static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio, |
2094 | u8 setting) |
2095 | { |
2096 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2097 | DP(BNX2X_MSG_DCB, "prio[%d] = %d\n" , prio, setting); |
2098 | |
2099 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES) |
2100 | return; |
2101 | |
2102 | if (setting) { |
2103 | bp->dcbx_config_params.admin_pfc_bitmap |= (1 << prio); |
2104 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; |
2105 | } else { |
2106 | bp->dcbx_config_params.admin_pfc_bitmap &= ~(1 << prio); |
2107 | } |
2108 | } |
2109 | |
2110 | static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio, |
2111 | u8 *setting) |
2112 | { |
2113 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2114 | DP(BNX2X_MSG_DCB, "prio = %d\n" , prio); |
2115 | |
2116 | *setting = 0; |
2117 | |
2118 | if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES) |
2119 | return; |
2120 | |
2121 | *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1; |
2122 | } |
2123 | |
2124 | static u8 bnx2x_dcbnl_set_all(struct net_device *netdev) |
2125 | { |
2126 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2127 | |
2128 | DP(BNX2X_MSG_DCB, "SET-ALL\n" ); |
2129 | |
2130 | if (!bnx2x_dcbnl_set_valid(bp)) |
2131 | return 1; |
2132 | |
2133 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { |
2134 | netdev_err(dev: bp->dev, |
2135 | format: "Handling parity error recovery. Try again later\n" ); |
2136 | return 1; |
2137 | } |
2138 | if (netif_running(dev: bp->dev)) { |
2139 | bnx2x_update_drv_flags(bp, |
2140 | flags: 1 << DRV_FLAGS_DCB_MFW_CONFIGURED, |
2141 | set: 1); |
2142 | bnx2x_dcbx_init(bp, update_shmem: true); |
2143 | } |
2144 | DP(BNX2X_MSG_DCB, "set_dcbx_params done\n" ); |
2145 | |
2146 | return 0; |
2147 | } |
2148 | |
2149 | static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) |
2150 | { |
2151 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2152 | u8 rval = 0; |
2153 | |
2154 | if (bp->dcb_state) { |
2155 | switch (capid) { |
2156 | case DCB_CAP_ATTR_PG: |
2157 | *cap = true; |
2158 | break; |
2159 | case DCB_CAP_ATTR_PFC: |
2160 | *cap = true; |
2161 | break; |
2162 | case DCB_CAP_ATTR_UP2TC: |
2163 | *cap = false; |
2164 | break; |
2165 | case DCB_CAP_ATTR_PG_TCS: |
2166 | *cap = 0x80; /* 8 priorities for PGs */ |
2167 | break; |
2168 | case DCB_CAP_ATTR_PFC_TCS: |
2169 | *cap = 0x80; /* 8 priorities for PFC */ |
2170 | break; |
2171 | case DCB_CAP_ATTR_GSP: |
2172 | *cap = true; |
2173 | break; |
2174 | case DCB_CAP_ATTR_BCN: |
2175 | *cap = false; |
2176 | break; |
2177 | case DCB_CAP_ATTR_DCBX: |
2178 | *cap = BNX2X_DCBX_CAPS; |
2179 | break; |
2180 | default: |
2181 | BNX2X_ERR("Non valid capability ID\n" ); |
2182 | rval = 1; |
2183 | break; |
2184 | } |
2185 | } else { |
2186 | DP(BNX2X_MSG_DCB, "DCB disabled\n" ); |
2187 | rval = 1; |
2188 | } |
2189 | |
2190 | DP(BNX2X_MSG_DCB, "capid %d:%x\n" , capid, *cap); |
2191 | return rval; |
2192 | } |
2193 | |
2194 | static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) |
2195 | { |
2196 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2197 | u8 rval = 0; |
2198 | |
2199 | DP(BNX2X_MSG_DCB, "tcid %d\n" , tcid); |
2200 | |
2201 | if (bp->dcb_state) { |
2202 | switch (tcid) { |
2203 | case DCB_NUMTCS_ATTR_PG: |
2204 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
2205 | DCBX_COS_MAX_NUM_E2; |
2206 | break; |
2207 | case DCB_NUMTCS_ATTR_PFC: |
2208 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
2209 | DCBX_COS_MAX_NUM_E2; |
2210 | break; |
2211 | default: |
2212 | BNX2X_ERR("Non valid TC-ID\n" ); |
2213 | rval = 1; |
2214 | break; |
2215 | } |
2216 | } else { |
2217 | DP(BNX2X_MSG_DCB, "DCB disabled\n" ); |
2218 | rval = 1; |
2219 | } |
2220 | |
2221 | return rval; |
2222 | } |
2223 | |
2224 | static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) |
2225 | { |
2226 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2227 | DP(BNX2X_MSG_DCB, "num tcs = %d; Not supported\n" , num); |
2228 | return -EINVAL; |
2229 | } |
2230 | |
2231 | static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) |
2232 | { |
2233 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2234 | DP(BNX2X_MSG_DCB, "state = %d\n" , bp->dcbx_local_feat.pfc.enabled); |
2235 | |
2236 | if (!bp->dcb_state) |
2237 | return 0; |
2238 | |
2239 | return bp->dcbx_local_feat.pfc.enabled; |
2240 | } |
2241 | |
2242 | static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state) |
2243 | { |
2244 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2245 | DP(BNX2X_MSG_DCB, "state = %s\n" , state ? "on" : "off" ); |
2246 | |
2247 | if (!bnx2x_dcbnl_set_valid(bp)) |
2248 | return; |
2249 | |
2250 | bp->dcbx_config_params.admin_pfc_tx_enable = |
2251 | bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0); |
2252 | } |
2253 | |
2254 | static void bnx2x_admin_app_set_ent( |
2255 | struct bnx2x_admin_priority_app_table *app_ent, |
2256 | u8 idtype, u16 idval, u8 up) |
2257 | { |
2258 | app_ent->valid = 1; |
2259 | |
2260 | switch (idtype) { |
2261 | case DCB_APP_IDTYPE_ETHTYPE: |
2262 | app_ent->traffic_type = TRAFFIC_TYPE_ETH; |
2263 | break; |
2264 | case DCB_APP_IDTYPE_PORTNUM: |
2265 | app_ent->traffic_type = TRAFFIC_TYPE_PORT; |
2266 | break; |
2267 | default: |
2268 | break; /* never gets here */ |
2269 | } |
2270 | app_ent->app_id = idval; |
2271 | app_ent->priority = up; |
2272 | } |
2273 | |
2274 | static bool bnx2x_admin_app_is_equal( |
2275 | struct bnx2x_admin_priority_app_table *app_ent, |
2276 | u8 idtype, u16 idval) |
2277 | { |
2278 | if (!app_ent->valid) |
2279 | return false; |
2280 | |
2281 | switch (idtype) { |
2282 | case DCB_APP_IDTYPE_ETHTYPE: |
2283 | if (app_ent->traffic_type != TRAFFIC_TYPE_ETH) |
2284 | return false; |
2285 | break; |
2286 | case DCB_APP_IDTYPE_PORTNUM: |
2287 | if (app_ent->traffic_type != TRAFFIC_TYPE_PORT) |
2288 | return false; |
2289 | break; |
2290 | default: |
2291 | return false; |
2292 | } |
2293 | if (app_ent->app_id != idval) |
2294 | return false; |
2295 | |
2296 | return true; |
2297 | } |
2298 | |
2299 | static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up) |
2300 | { |
2301 | int i, ff; |
2302 | |
2303 | /* iterate over the app entries looking for idtype and idval */ |
2304 | for (i = 0, ff = -1; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) { |
2305 | struct bnx2x_admin_priority_app_table *app_ent = |
2306 | &bp->dcbx_config_params.admin_priority_app_table[i]; |
2307 | if (bnx2x_admin_app_is_equal(app_ent, idtype, idval)) |
2308 | break; |
2309 | |
2310 | if (ff < 0 && !app_ent->valid) |
2311 | ff = i; |
2312 | } |
2313 | if (i < DCBX_CONFIG_MAX_APP_PROTOCOL) |
2314 | /* if found overwrite up */ |
2315 | bp->dcbx_config_params. |
2316 | admin_priority_app_table[i].priority = up; |
2317 | else if (ff >= 0) |
2318 | /* not found use first-free */ |
2319 | bnx2x_admin_app_set_ent( |
2320 | app_ent: &bp->dcbx_config_params.admin_priority_app_table[ff], |
2321 | idtype, idval, up); |
2322 | else { |
2323 | /* app table is full */ |
2324 | BNX2X_ERR("Application table is too large\n" ); |
2325 | return -EBUSY; |
2326 | } |
2327 | |
2328 | /* up configured, if not 0 make sure feature is enabled */ |
2329 | if (up) |
2330 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; |
2331 | |
2332 | return 0; |
2333 | } |
2334 | |
2335 | static int bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype, |
2336 | u16 idval, u8 up) |
2337 | { |
2338 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2339 | |
2340 | DP(BNX2X_MSG_DCB, "app_type %d, app_id %x, prio bitmap %d\n" , |
2341 | idtype, idval, up); |
2342 | |
2343 | if (!bnx2x_dcbnl_set_valid(bp)) { |
2344 | DP(BNX2X_MSG_DCB, "dcbnl call not valid\n" ); |
2345 | return -EINVAL; |
2346 | } |
2347 | |
2348 | /* verify idtype */ |
2349 | switch (idtype) { |
2350 | case DCB_APP_IDTYPE_ETHTYPE: |
2351 | case DCB_APP_IDTYPE_PORTNUM: |
2352 | break; |
2353 | default: |
2354 | DP(BNX2X_MSG_DCB, "Wrong ID type\n" ); |
2355 | return -EINVAL; |
2356 | } |
2357 | return bnx2x_set_admin_app_up(bp, idtype, idval, up); |
2358 | } |
2359 | |
2360 | static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev) |
2361 | { |
2362 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2363 | u8 state; |
2364 | |
2365 | state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE; |
2366 | |
2367 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF) |
2368 | state |= DCB_CAP_DCBX_STATIC; |
2369 | |
2370 | return state; |
2371 | } |
2372 | |
2373 | static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state) |
2374 | { |
2375 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2376 | DP(BNX2X_MSG_DCB, "state = %02x\n" , state); |
2377 | |
2378 | /* set dcbx mode */ |
2379 | |
2380 | if ((state & BNX2X_DCBX_CAPS) != state) { |
2381 | BNX2X_ERR("Requested DCBX mode %x is beyond advertised capabilities\n" , |
2382 | state); |
2383 | return 1; |
2384 | } |
2385 | |
2386 | if (bp->dcb_state != BNX2X_DCB_STATE_ON) { |
2387 | BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n" ); |
2388 | return 1; |
2389 | } |
2390 | |
2391 | if (state & DCB_CAP_DCBX_STATIC) |
2392 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF; |
2393 | else |
2394 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON; |
2395 | |
2396 | bp->dcbx_mode_uset = true; |
2397 | return 0; |
2398 | } |
2399 | |
2400 | static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, |
2401 | u8 *flags) |
2402 | { |
2403 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2404 | u8 rval = 0; |
2405 | |
2406 | DP(BNX2X_MSG_DCB, "featid %d\n" , featid); |
2407 | |
2408 | if (bp->dcb_state) { |
2409 | *flags = 0; |
2410 | switch (featid) { |
2411 | case DCB_FEATCFG_ATTR_PG: |
2412 | if (bp->dcbx_local_feat.ets.enabled) |
2413 | *flags |= DCB_FEATCFG_ENABLE; |
2414 | if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR | |
2415 | DCBX_REMOTE_MIB_ERROR)) |
2416 | *flags |= DCB_FEATCFG_ERROR; |
2417 | break; |
2418 | case DCB_FEATCFG_ATTR_PFC: |
2419 | if (bp->dcbx_local_feat.pfc.enabled) |
2420 | *flags |= DCB_FEATCFG_ENABLE; |
2421 | if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | |
2422 | DCBX_LOCAL_PFC_MISMATCH | |
2423 | DCBX_REMOTE_MIB_ERROR)) |
2424 | *flags |= DCB_FEATCFG_ERROR; |
2425 | break; |
2426 | case DCB_FEATCFG_ATTR_APP: |
2427 | if (bp->dcbx_local_feat.app.enabled) |
2428 | *flags |= DCB_FEATCFG_ENABLE; |
2429 | if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | |
2430 | DCBX_LOCAL_APP_MISMATCH | |
2431 | DCBX_REMOTE_MIB_ERROR)) |
2432 | *flags |= DCB_FEATCFG_ERROR; |
2433 | break; |
2434 | default: |
2435 | BNX2X_ERR("Non valid feature-ID\n" ); |
2436 | rval = 1; |
2437 | break; |
2438 | } |
2439 | } else { |
2440 | DP(BNX2X_MSG_DCB, "DCB disabled\n" ); |
2441 | rval = 1; |
2442 | } |
2443 | |
2444 | return rval; |
2445 | } |
2446 | |
2447 | static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, |
2448 | u8 flags) |
2449 | { |
2450 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2451 | u8 rval = 0; |
2452 | |
2453 | DP(BNX2X_MSG_DCB, "featid = %d flags = %02x\n" , featid, flags); |
2454 | |
2455 | /* ignore the 'advertise' flag */ |
2456 | if (bnx2x_dcbnl_set_valid(bp)) { |
2457 | switch (featid) { |
2458 | case DCB_FEATCFG_ATTR_PG: |
2459 | bp->dcbx_config_params.admin_ets_enable = |
2460 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; |
2461 | bp->dcbx_config_params.admin_ets_willing = |
2462 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
2463 | break; |
2464 | case DCB_FEATCFG_ATTR_PFC: |
2465 | bp->dcbx_config_params.admin_pfc_enable = |
2466 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; |
2467 | bp->dcbx_config_params.admin_pfc_willing = |
2468 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
2469 | break; |
2470 | case DCB_FEATCFG_ATTR_APP: |
2471 | /* ignore enable, always enabled */ |
2472 | bp->dcbx_config_params.admin_app_priority_willing = |
2473 | flags & DCB_FEATCFG_WILLING ? 1 : 0; |
2474 | break; |
2475 | default: |
2476 | BNX2X_ERR("Non valid feature-ID\n" ); |
2477 | rval = 1; |
2478 | break; |
2479 | } |
2480 | } else { |
2481 | DP(BNX2X_MSG_DCB, "dcbnl call not valid\n" ); |
2482 | rval = 1; |
2483 | } |
2484 | |
2485 | return rval; |
2486 | } |
2487 | |
2488 | static int bnx2x_peer_appinfo(struct net_device *netdev, |
2489 | struct dcb_peer_app_info *info, u16* app_count) |
2490 | { |
2491 | int i; |
2492 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2493 | |
2494 | DP(BNX2X_MSG_DCB, "APP-INFO\n" ); |
2495 | |
2496 | info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0; |
2497 | info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0; |
2498 | *app_count = 0; |
2499 | |
2500 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) |
2501 | if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield & |
2502 | DCBX_APP_ENTRY_VALID) |
2503 | (*app_count)++; |
2504 | return 0; |
2505 | } |
2506 | |
2507 | static int bnx2x_peer_apptable(struct net_device *netdev, |
2508 | struct dcb_app *table) |
2509 | { |
2510 | int i, j; |
2511 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2512 | |
2513 | DP(BNX2X_MSG_DCB, "APP-TABLE\n" ); |
2514 | |
2515 | for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { |
2516 | struct dcbx_app_priority_entry *ent = |
2517 | &bp->dcbx_remote_feat.app.app_pri_tbl[i]; |
2518 | |
2519 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { |
2520 | table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent); |
2521 | table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent); |
2522 | table[j++].protocol = ent->app_id; |
2523 | } |
2524 | } |
2525 | return 0; |
2526 | } |
2527 | |
2528 | static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg) |
2529 | { |
2530 | int i; |
2531 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2532 | |
2533 | pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0; |
2534 | |
2535 | for (i = 0; i < CEE_DCBX_MAX_PGS; i++) { |
2536 | pg->pg_bw[i] = |
2537 | DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i); |
2538 | pg->prio_pg[i] = |
2539 | DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i); |
2540 | } |
2541 | return 0; |
2542 | } |
2543 | |
2544 | static int bnx2x_cee_peer_getpfc(struct net_device *netdev, |
2545 | struct cee_pfc *pfc) |
2546 | { |
2547 | struct bnx2x *bp = netdev_priv(dev: netdev); |
2548 | pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps; |
2549 | pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap; |
2550 | return 0; |
2551 | } |
2552 | |
2553 | const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = { |
2554 | .getstate = bnx2x_dcbnl_get_state, |
2555 | .setstate = bnx2x_dcbnl_set_state, |
2556 | .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr, |
2557 | .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx, |
2558 | .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx, |
2559 | .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx, |
2560 | .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx, |
2561 | .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx, |
2562 | .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx, |
2563 | .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx, |
2564 | .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx, |
2565 | .setpfccfg = bnx2x_dcbnl_set_pfc_cfg, |
2566 | .getpfccfg = bnx2x_dcbnl_get_pfc_cfg, |
2567 | .setall = bnx2x_dcbnl_set_all, |
2568 | .getcap = bnx2x_dcbnl_get_cap, |
2569 | .getnumtcs = bnx2x_dcbnl_get_numtcs, |
2570 | .setnumtcs = bnx2x_dcbnl_set_numtcs, |
2571 | .getpfcstate = bnx2x_dcbnl_get_pfc_state, |
2572 | .setpfcstate = bnx2x_dcbnl_set_pfc_state, |
2573 | .setapp = bnx2x_dcbnl_set_app_up, |
2574 | .getdcbx = bnx2x_dcbnl_get_dcbx, |
2575 | .setdcbx = bnx2x_dcbnl_set_dcbx, |
2576 | .getfeatcfg = bnx2x_dcbnl_get_featcfg, |
2577 | .setfeatcfg = bnx2x_dcbnl_set_featcfg, |
2578 | .peer_getappinfo = bnx2x_peer_appinfo, |
2579 | .peer_getapptable = bnx2x_peer_apptable, |
2580 | .cee_peer_getpg = bnx2x_cee_peer_getpg, |
2581 | .cee_peer_getpfc = bnx2x_cee_peer_getpfc, |
2582 | }; |
2583 | |
2584 | #endif /* BCM_DCBNL */ |
2585 | |