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e4901dde VZ |
1 | /* bnx2x_dcb.c: Broadcom Everest network driver. |
2 | * | |
5de92408 | 3 | * Copyright 2009-2011 Broadcom Corporation |
e4901dde VZ |
4 | * |
5 | * Unless you and Broadcom execute a separate written software license | |
6 | * agreement governing use of this software, this software is licensed to you | |
7 | * under the terms of the GNU General Public License version 2, available | |
8 | * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). | |
9 | * | |
10 | * Notwithstanding the above, under no circumstances may you combine this | |
11 | * software in any way with any other Broadcom software provided under a | |
12 | * license other than the GPL, without Broadcom's express prior written | |
13 | * consent. | |
14 | * | |
15 | * Maintained by: Eilon Greenstein <eilong@broadcom.com> | |
16 | * Written by: Dmitry Kravkov | |
17 | * | |
18 | */ | |
19 | #include <linux/netdevice.h> | |
20 | #include <linux/types.h> | |
21 | #include <linux/errno.h> | |
09b775e7 DK |
22 | #include <linux/rtnetlink.h> |
23 | #include <net/dcbnl.h> | |
e4901dde VZ |
24 | |
25 | #include "bnx2x.h" | |
26 | #include "bnx2x_cmn.h" | |
27 | #include "bnx2x_dcb.h" | |
28 | ||
e4901dde | 29 | /* forward declarations of dcbx related functions */ |
6debea87 | 30 | static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); |
e4901dde VZ |
31 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp); |
32 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); | |
6debea87 | 33 | static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); |
e4901dde VZ |
34 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, |
35 | u32 *set_configuration_ets_pg, | |
36 | u32 *pri_pg_tbl); | |
37 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, | |
38 | u32 *pg_pri_orginal_spread, | |
39 | struct pg_help_data *help_data); | |
40 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, | |
41 | struct pg_help_data *help_data, | |
42 | struct dcbx_ets_feature *ets, | |
43 | u32 *pg_pri_orginal_spread); | |
44 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, | |
45 | struct cos_help_data *cos_data, | |
46 | u32 *pg_pri_orginal_spread, | |
47 | struct dcbx_ets_feature *ets); | |
6debea87 DK |
48 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
49 | struct bnx2x_func_tx_start_params*); | |
e4901dde | 50 | |
6debea87 DK |
51 | /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */ |
52 | static void bnx2x_read_data(struct bnx2x *bp, u32 *buff, | |
53 | u32 addr, u32 len) | |
54 | { | |
55 | int i; | |
56 | for (i = 0; i < len; i += 4, buff++) | |
57 | *buff = REG_RD(bp, addr + i); | |
58 | } | |
59 | ||
60 | static void bnx2x_write_data(struct bnx2x *bp, u32 *buff, | |
61 | u32 addr, u32 len) | |
62 | { | |
63 | int i; | |
64 | for (i = 0; i < len; i += 4, buff++) | |
65 | REG_WR(bp, addr + i, *buff); | |
66 | } | |
e4901dde VZ |
67 | |
68 | static void bnx2x_pfc_set(struct bnx2x *bp) | |
69 | { | |
70 | struct bnx2x_nig_brb_pfc_port_params pfc_params = {0}; | |
71 | u32 pri_bit, val = 0; | |
619c5cb6 | 72 | int i; |
e4901dde | 73 | |
d1976b2e DK |
74 | pfc_params.num_of_rx_cos_priority_mask = |
75 | bp->dcbx_port_params.ets.num_of_cos; | |
76 | ||
e4901dde | 77 | /* Tx COS configuration */ |
619c5cb6 | 78 | for (i = 0; i < bp->dcbx_port_params.ets.num_of_cos; i++) |
d1976b2e DK |
79 | /* |
80 | * We configure only the pauseable bits (non pauseable aren't | |
81 | * configured at all) it's done to avoid false pauses from | |
82 | * network | |
83 | */ | |
84 | pfc_params.rx_cos_priority_mask[i] = | |
85 | bp->dcbx_port_params.ets.cos_params[i].pri_bitmask | |
86 | & DCBX_PFC_PRI_PAUSE_MASK(bp); | |
e4901dde | 87 | |
d1976b2e | 88 | /* |
e4901dde VZ |
89 | * Rx COS configuration |
90 | * Changing PFC RX configuration . | |
91 | * In RX COS0 will always be configured to lossy and COS1 to lossless | |
92 | */ | |
d1976b2e DK |
93 | for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) { |
94 | pri_bit = 1 << i; | |
e4901dde VZ |
95 | |
96 | if (pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp)) | |
d1976b2e | 97 | val |= 1 << (i * 4); |
e4901dde VZ |
98 | } |
99 | ||
100 | pfc_params.pkt_priority_to_cos = val; | |
101 | ||
102 | /* RX COS0 */ | |
103 | pfc_params.llfc_low_priority_classes = 0; | |
104 | /* RX COS1 */ | |
105 | pfc_params.llfc_high_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp); | |
106 | ||
107 | /* BRB configuration */ | |
108 | pfc_params.cos0_pauseable = false; | |
109 | pfc_params.cos1_pauseable = true; | |
110 | ||
111 | bnx2x_acquire_phy_lock(bp); | |
112 | bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED; | |
113 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params); | |
114 | bnx2x_release_phy_lock(bp); | |
115 | } | |
116 | ||
117 | static void bnx2x_pfc_clear(struct bnx2x *bp) | |
118 | { | |
119 | struct bnx2x_nig_brb_pfc_port_params nig_params = {0}; | |
120 | nig_params.pause_enable = 1; | |
121 | #ifdef BNX2X_SAFC | |
122 | if (bp->flags & SAFC_TX_FLAG) { | |
123 | u32 high = 0, low = 0; | |
124 | int i; | |
125 | ||
126 | for (i = 0; i < BNX2X_MAX_PRIORITY; i++) { | |
127 | if (bp->pri_map[i] == 1) | |
128 | high |= (1 << i); | |
129 | if (bp->pri_map[i] == 0) | |
130 | low |= (1 << i); | |
131 | } | |
132 | ||
133 | nig_params.llfc_low_priority_classes = high; | |
134 | nig_params.llfc_low_priority_classes = low; | |
135 | ||
136 | nig_params.pause_enable = 0; | |
137 | nig_params.llfc_enable = 1; | |
138 | nig_params.llfc_out_en = 1; | |
139 | } | |
140 | #endif /* BNX2X_SAFC */ | |
141 | bnx2x_acquire_phy_lock(bp); | |
142 | bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED; | |
143 | bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params); | |
144 | bnx2x_release_phy_lock(bp); | |
145 | } | |
146 | ||
147 | static void bnx2x_dump_dcbx_drv_param(struct bnx2x *bp, | |
148 | struct dcbx_features *features, | |
149 | u32 error) | |
150 | { | |
151 | u8 i = 0; | |
152 | DP(NETIF_MSG_LINK, "local_mib.error %x\n", error); | |
153 | ||
154 | /* PG */ | |
155 | DP(NETIF_MSG_LINK, | |
156 | "local_mib.features.ets.enabled %x\n", features->ets.enabled); | |
157 | for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) | |
158 | DP(NETIF_MSG_LINK, | |
159 | "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i, | |
160 | DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i)); | |
161 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) | |
162 | DP(NETIF_MSG_LINK, | |
163 | "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i, | |
164 | DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i)); | |
165 | ||
166 | /* pfc */ | |
167 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pri_en_bitmap %x\n", | |
168 | features->pfc.pri_en_bitmap); | |
169 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.pfc_caps %x\n", | |
170 | features->pfc.pfc_caps); | |
171 | DP(NETIF_MSG_LINK, "dcbx_features.pfc.enabled %x\n", | |
172 | features->pfc.enabled); | |
173 | ||
174 | DP(NETIF_MSG_LINK, "dcbx_features.app.default_pri %x\n", | |
175 | features->app.default_pri); | |
176 | DP(NETIF_MSG_LINK, "dcbx_features.app.tc_supported %x\n", | |
177 | features->app.tc_supported); | |
178 | DP(NETIF_MSG_LINK, "dcbx_features.app.enabled %x\n", | |
179 | features->app.enabled); | |
180 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | |
181 | DP(NETIF_MSG_LINK, | |
182 | "dcbx_features.app.app_pri_tbl[%x].app_id %x\n", | |
183 | i, features->app.app_pri_tbl[i].app_id); | |
184 | DP(NETIF_MSG_LINK, | |
185 | "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n", | |
186 | i, features->app.app_pri_tbl[i].pri_bitmap); | |
187 | DP(NETIF_MSG_LINK, | |
188 | "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n", | |
189 | i, features->app.app_pri_tbl[i].appBitfield); | |
190 | } | |
191 | } | |
192 | ||
193 | static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp, | |
194 | u8 pri_bitmap, | |
195 | u8 llfc_traf_type) | |
196 | { | |
197 | u32 pri = MAX_PFC_PRIORITIES; | |
198 | u32 index = MAX_PFC_PRIORITIES - 1; | |
199 | u32 pri_mask; | |
200 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | |
201 | ||
202 | /* Choose the highest priority */ | |
203 | while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) { | |
204 | pri_mask = 1 << index; | |
205 | if (GET_FLAGS(pri_bitmap, pri_mask)) | |
206 | pri = index ; | |
207 | index--; | |
208 | } | |
209 | ||
210 | if (pri < MAX_PFC_PRIORITIES) | |
211 | ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri); | |
212 | } | |
213 | ||
214 | static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp, | |
215 | struct dcbx_app_priority_feature *app, | |
216 | u32 error) { | |
217 | u8 index; | |
218 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | |
219 | ||
220 | if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR)) | |
221 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_ERROR\n"); | |
222 | ||
6debea87 DK |
223 | if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH)) |
224 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_MISMATCH\n"); | |
225 | ||
226 | if (app->enabled && | |
227 | !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH)) { | |
e4901dde VZ |
228 | |
229 | bp->dcbx_port_params.app.enabled = true; | |
230 | ||
231 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) | |
232 | ttp[index] = 0; | |
233 | ||
234 | if (app->default_pri < MAX_PFC_PRIORITIES) | |
235 | ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri; | |
236 | ||
237 | for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) { | |
238 | struct dcbx_app_priority_entry *entry = | |
239 | app->app_pri_tbl; | |
240 | ||
241 | if (GET_FLAGS(entry[index].appBitfield, | |
242 | DCBX_APP_SF_ETH_TYPE) && | |
243 | ETH_TYPE_FCOE == entry[index].app_id) | |
244 | bnx2x_dcbx_get_ap_priority(bp, | |
245 | entry[index].pri_bitmap, | |
246 | LLFC_TRAFFIC_TYPE_FCOE); | |
247 | ||
248 | if (GET_FLAGS(entry[index].appBitfield, | |
249 | DCBX_APP_SF_PORT) && | |
250 | TCP_PORT_ISCSI == entry[index].app_id) | |
251 | bnx2x_dcbx_get_ap_priority(bp, | |
252 | entry[index].pri_bitmap, | |
253 | LLFC_TRAFFIC_TYPE_ISCSI); | |
254 | } | |
255 | } else { | |
256 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_APP_DISABLED\n"); | |
257 | bp->dcbx_port_params.app.enabled = false; | |
258 | for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++) | |
259 | ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY; | |
260 | } | |
261 | } | |
262 | ||
263 | static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp, | |
264 | struct dcbx_ets_feature *ets, | |
265 | u32 error) { | |
266 | int i = 0; | |
267 | u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0}; | |
268 | struct pg_help_data pg_help_data; | |
269 | struct bnx2x_dcbx_cos_params *cos_params = | |
270 | bp->dcbx_port_params.ets.cos_params; | |
271 | ||
272 | memset(&pg_help_data, 0, sizeof(struct pg_help_data)); | |
273 | ||
274 | ||
275 | if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR)) | |
276 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ERROR\n"); | |
277 | ||
278 | ||
279 | /* Clean up old settings of ets on COS */ | |
d1976b2e | 280 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params) ; i++) { |
e4901dde | 281 | cos_params[i].pauseable = false; |
d1976b2e | 282 | cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID; |
e4901dde | 283 | cos_params[i].bw_tbl = DCBX_INVALID_COS_BW; |
d1976b2e | 284 | cos_params[i].pri_bitmask = 0; |
e4901dde VZ |
285 | } |
286 | ||
287 | if (bp->dcbx_port_params.app.enabled && | |
288 | !GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR) && | |
289 | ets->enabled) { | |
290 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_ENABLE\n"); | |
291 | bp->dcbx_port_params.ets.enabled = true; | |
292 | ||
293 | bnx2x_dcbx_get_ets_pri_pg_tbl(bp, | |
294 | pg_pri_orginal_spread, | |
295 | ets->pri_pg_tbl); | |
296 | ||
297 | bnx2x_dcbx_get_num_pg_traf_type(bp, | |
298 | pg_pri_orginal_spread, | |
299 | &pg_help_data); | |
300 | ||
301 | bnx2x_dcbx_fill_cos_params(bp, &pg_help_data, | |
302 | ets, pg_pri_orginal_spread); | |
303 | ||
304 | } else { | |
305 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_ETS_DISABLED\n"); | |
306 | bp->dcbx_port_params.ets.enabled = false; | |
307 | ets->pri_pg_tbl[0] = 0; | |
308 | ||
309 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++) | |
310 | DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1); | |
311 | } | |
312 | } | |
313 | ||
314 | static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp, | |
315 | struct dcbx_pfc_feature *pfc, u32 error) | |
316 | { | |
317 | ||
318 | if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR)) | |
319 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_ERROR\n"); | |
320 | ||
321 | if (bp->dcbx_port_params.app.enabled && | |
6debea87 | 322 | !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH) && |
e4901dde VZ |
323 | pfc->enabled) { |
324 | bp->dcbx_port_params.pfc.enabled = true; | |
325 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = | |
326 | ~(pfc->pri_en_bitmap); | |
327 | } else { | |
328 | DP(NETIF_MSG_LINK, "DCBX_LOCAL_PFC_DISABLED\n"); | |
329 | bp->dcbx_port_params.pfc.enabled = false; | |
330 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0; | |
331 | } | |
332 | } | |
333 | ||
09b775e7 DK |
334 | /* maps unmapped priorities to to the same COS as L2 */ |
335 | static void bnx2x_dcbx_map_nw(struct bnx2x *bp) | |
336 | { | |
337 | int i; | |
338 | u32 unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */ | |
339 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | |
340 | u32 nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW]; | |
341 | struct bnx2x_dcbx_cos_params *cos_params = | |
342 | bp->dcbx_port_params.ets.cos_params; | |
343 | ||
344 | /* get unmapped priorities by clearing mapped bits */ | |
345 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) | |
346 | unmapped &= ~(1 << ttp[i]); | |
347 | ||
348 | /* find cos for nw prio and extend it with unmapped */ | |
349 | for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) { | |
350 | if (cos_params[i].pri_bitmask & nw_prio) { | |
351 | /* extend the bitmask with unmapped */ | |
352 | DP(NETIF_MSG_LINK, | |
353 | "cos %d extended with 0x%08x", i, unmapped); | |
354 | cos_params[i].pri_bitmask |= unmapped; | |
355 | break; | |
356 | } | |
357 | } | |
358 | } | |
359 | ||
e4901dde VZ |
360 | static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp, |
361 | struct dcbx_features *features, | |
362 | u32 error) | |
363 | { | |
364 | bnx2x_dcbx_get_ap_feature(bp, &features->app, error); | |
365 | ||
366 | bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error); | |
367 | ||
368 | bnx2x_dcbx_get_ets_feature(bp, &features->ets, error); | |
09b775e7 DK |
369 | |
370 | bnx2x_dcbx_map_nw(bp); | |
e4901dde VZ |
371 | } |
372 | ||
373 | #define DCBX_LOCAL_MIB_MAX_TRY_READ (100) | |
374 | static int bnx2x_dcbx_read_mib(struct bnx2x *bp, | |
375 | u32 *base_mib_addr, | |
376 | u32 offset, | |
377 | int read_mib_type) | |
378 | { | |
6debea87 DK |
379 | int max_try_read = 0; |
380 | u32 mib_size, prefix_seq_num, suffix_seq_num; | |
e4901dde VZ |
381 | struct lldp_remote_mib *remote_mib ; |
382 | struct lldp_local_mib *local_mib; | |
383 | ||
384 | ||
385 | switch (read_mib_type) { | |
386 | case DCBX_READ_LOCAL_MIB: | |
387 | mib_size = sizeof(struct lldp_local_mib); | |
388 | break; | |
389 | case DCBX_READ_REMOTE_MIB: | |
390 | mib_size = sizeof(struct lldp_remote_mib); | |
391 | break; | |
392 | default: | |
393 | return 1; /*error*/ | |
394 | } | |
395 | ||
396 | offset += BP_PORT(bp) * mib_size; | |
397 | ||
398 | do { | |
6debea87 | 399 | bnx2x_read_data(bp, base_mib_addr, offset, mib_size); |
e4901dde VZ |
400 | |
401 | max_try_read++; | |
402 | ||
403 | switch (read_mib_type) { | |
404 | case DCBX_READ_LOCAL_MIB: | |
405 | local_mib = (struct lldp_local_mib *) base_mib_addr; | |
406 | prefix_seq_num = local_mib->prefix_seq_num; | |
407 | suffix_seq_num = local_mib->suffix_seq_num; | |
408 | break; | |
409 | case DCBX_READ_REMOTE_MIB: | |
410 | remote_mib = (struct lldp_remote_mib *) base_mib_addr; | |
411 | prefix_seq_num = remote_mib->prefix_seq_num; | |
412 | suffix_seq_num = remote_mib->suffix_seq_num; | |
413 | break; | |
414 | default: | |
415 | return 1; /*error*/ | |
416 | } | |
417 | } while ((prefix_seq_num != suffix_seq_num) && | |
418 | (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ)); | |
419 | ||
420 | if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) { | |
421 | BNX2X_ERR("MIB could not be read\n"); | |
422 | return 1; | |
423 | } | |
424 | ||
425 | return 0; | |
426 | } | |
427 | ||
428 | static void bnx2x_pfc_set_pfc(struct bnx2x *bp) | |
429 | { | |
6debea87 DK |
430 | if (bp->dcbx_port_params.pfc.enabled && |
431 | !(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR)) | |
d1976b2e DK |
432 | /* |
433 | * 1. Fills up common PFC structures if required | |
434 | * 2. Configure NIG, MAC and BRB via the elink | |
435 | */ | |
436 | bnx2x_pfc_set(bp); | |
437 | else | |
438 | bnx2x_pfc_clear(bp); | |
e4901dde VZ |
439 | } |
440 | ||
6debea87 | 441 | static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) |
e4901dde | 442 | { |
6debea87 DK |
443 | struct bnx2x_func_state_params func_params = {0}; |
444 | ||
445 | func_params.f_obj = &bp->func_obj; | |
446 | func_params.cmd = BNX2X_F_CMD_TX_STOP; | |
447 | ||
448 | DP(NETIF_MSG_LINK, "STOP TRAFFIC\n"); | |
449 | return bnx2x_func_state_change(bp, &func_params); | |
e4901dde VZ |
450 | } |
451 | ||
6debea87 | 452 | static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) |
e4901dde | 453 | { |
6debea87 DK |
454 | struct bnx2x_func_state_params func_params = {0}; |
455 | struct bnx2x_func_tx_start_params *tx_params = | |
456 | &func_params.params.tx_start; | |
457 | ||
458 | func_params.f_obj = &bp->func_obj; | |
459 | func_params.cmd = BNX2X_F_CMD_TX_START; | |
460 | ||
461 | bnx2x_dcbx_fw_struct(bp, tx_params); | |
462 | ||
463 | DP(NETIF_MSG_LINK, "START TRAFFIC\n"); | |
464 | return bnx2x_func_state_change(bp, &func_params); | |
e4901dde VZ |
465 | } |
466 | ||
d1976b2e | 467 | static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) |
e4901dde VZ |
468 | { |
469 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); | |
d1976b2e | 470 | int rc = 0; |
e4901dde | 471 | |
d1976b2e DK |
472 | if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) { |
473 | BNX2X_ERR("Illegal number of COSes %d\n", ets->num_of_cos); | |
e4901dde VZ |
474 | return; |
475 | } | |
476 | ||
477 | /* valid COS entries */ | |
478 | if (ets->num_of_cos == 1) /* no ETS */ | |
479 | return; | |
480 | ||
481 | /* sanity */ | |
d1976b2e | 482 | if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) && |
e4901dde | 483 | (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) || |
d1976b2e | 484 | ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) && |
e4901dde VZ |
485 | (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) { |
486 | BNX2X_ERR("all COS should have at least bw_limit or strict" | |
487 | "ets->cos_params[0].strict= %x" | |
488 | "ets->cos_params[0].bw_tbl= %x" | |
489 | "ets->cos_params[1].strict= %x" | |
490 | "ets->cos_params[1].bw_tbl= %x", | |
491 | ets->cos_params[0].strict, | |
492 | ets->cos_params[0].bw_tbl, | |
493 | ets->cos_params[1].strict, | |
494 | ets->cos_params[1].bw_tbl); | |
495 | return; | |
496 | } | |
497 | /* If we join a group and there is bw_tbl and strict then bw rules */ | |
498 | if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) && | |
499 | (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) { | |
500 | u32 bw_tbl_0 = ets->cos_params[0].bw_tbl; | |
501 | u32 bw_tbl_1 = ets->cos_params[1].bw_tbl; | |
502 | /* Do not allow 0-100 configuration | |
503 | * since PBF does not support it | |
504 | * force 1-99 instead | |
505 | */ | |
506 | if (bw_tbl_0 == 0) { | |
507 | bw_tbl_0 = 1; | |
508 | bw_tbl_1 = 99; | |
509 | } else if (bw_tbl_1 == 0) { | |
510 | bw_tbl_1 = 1; | |
511 | bw_tbl_0 = 99; | |
512 | } | |
513 | ||
514 | bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1); | |
515 | } else { | |
d1976b2e DK |
516 | if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST) |
517 | rc = bnx2x_ets_strict(&bp->link_params, 0); | |
e4901dde | 518 | else if (ets->cos_params[1].strict |
d1976b2e DK |
519 | == BNX2X_DCBX_STRICT_COS_HIGHEST) |
520 | rc = bnx2x_ets_strict(&bp->link_params, 1); | |
521 | if (rc) | |
e4901dde VZ |
522 | BNX2X_ERR("update_ets_params failed\n"); |
523 | } | |
524 | } | |
525 | ||
d1976b2e DK |
526 | /* |
527 | * In E3B0 the configuration may have more than 2 COS. | |
528 | */ | |
529 | void bnx2x_dcbx_update_ets_config(struct bnx2x *bp) | |
530 | { | |
531 | struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets); | |
532 | struct bnx2x_ets_params ets_params = { 0 }; | |
533 | u8 i; | |
534 | ||
535 | ets_params.num_of_cos = ets->num_of_cos; | |
536 | ||
537 | for (i = 0; i < ets->num_of_cos; i++) { | |
538 | /* COS is SP */ | |
539 | if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) { | |
540 | if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) { | |
541 | BNX2X_ERR("COS can't be not BW and not SP\n"); | |
542 | return; | |
543 | } | |
544 | ||
545 | ets_params.cos[i].state = bnx2x_cos_state_strict; | |
546 | ets_params.cos[i].params.sp_params.pri = | |
547 | ets->cos_params[i].strict; | |
548 | } else { /* COS is BW */ | |
549 | if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) { | |
550 | BNX2X_ERR("COS can't be not BW and not SP\n"); | |
551 | return; | |
552 | } | |
553 | ets_params.cos[i].state = bnx2x_cos_state_bw; | |
554 | ets_params.cos[i].params.bw_params.bw = | |
555 | (u8)ets->cos_params[i].bw_tbl; | |
556 | } | |
557 | } | |
558 | ||
559 | /* Configure the ETS in HW */ | |
560 | if (bnx2x_ets_e3b0_config(&bp->link_params, &bp->link_vars, | |
561 | &ets_params)) { | |
562 | BNX2X_ERR("bnx2x_ets_e3b0_config failed\n"); | |
563 | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); | |
564 | } | |
565 | } | |
566 | ||
567 | static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) | |
568 | { | |
569 | bnx2x_ets_disabled(&bp->link_params, &bp->link_vars); | |
570 | ||
6debea87 DK |
571 | if (!bp->dcbx_port_params.ets.enabled || |
572 | (bp->dcbx_error & DCBX_REMOTE_MIB_ERROR)) | |
d1976b2e DK |
573 | return; |
574 | ||
575 | if (CHIP_IS_E3B0(bp)) | |
576 | bnx2x_dcbx_update_ets_config(bp); | |
577 | else | |
578 | bnx2x_dcbx_2cos_limit_update_ets_config(bp); | |
579 | } | |
580 | ||
0be6bc62 SR |
581 | #ifdef BCM_DCBNL |
582 | static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) | |
583 | { | |
584 | struct lldp_remote_mib remote_mib = {0}; | |
585 | u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset); | |
586 | int rc; | |
587 | ||
588 | DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n", | |
589 | dcbx_remote_mib_offset); | |
590 | ||
591 | if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) { | |
592 | BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n"); | |
593 | return -EINVAL; | |
594 | } | |
595 | ||
596 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset, | |
597 | DCBX_READ_REMOTE_MIB); | |
598 | ||
599 | if (rc) { | |
600 | BNX2X_ERR("Faild to read remote mib from FW\n"); | |
601 | return rc; | |
602 | } | |
603 | ||
604 | /* save features and flags */ | |
605 | bp->dcbx_remote_feat = remote_mib.features; | |
606 | bp->dcbx_remote_flags = remote_mib.flags; | |
607 | return 0; | |
608 | } | |
609 | #endif | |
610 | ||
e4901dde VZ |
611 | static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) |
612 | { | |
613 | struct lldp_local_mib local_mib = {0}; | |
614 | u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset); | |
615 | int rc; | |
616 | ||
617 | DP(NETIF_MSG_LINK, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset); | |
618 | ||
619 | if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) { | |
620 | BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n"); | |
621 | return -EINVAL; | |
622 | } | |
619c5cb6 | 623 | |
e4901dde VZ |
624 | rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset, |
625 | DCBX_READ_LOCAL_MIB); | |
626 | ||
627 | if (rc) { | |
628 | BNX2X_ERR("Faild to read local mib from FW\n"); | |
629 | return rc; | |
630 | } | |
631 | ||
632 | /* save features and error */ | |
633 | bp->dcbx_local_feat = local_mib.features; | |
634 | bp->dcbx_error = local_mib.error; | |
635 | return 0; | |
636 | } | |
637 | ||
98507672 SR |
638 | |
639 | #ifdef BCM_DCBNL | |
640 | static inline | |
641 | u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent) | |
642 | { | |
643 | u8 pri; | |
644 | ||
645 | /* Choose the highest priority */ | |
646 | for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--) | |
647 | if (ent->pri_bitmap & (1 << pri)) | |
648 | break; | |
649 | return pri; | |
650 | } | |
651 | ||
652 | static inline | |
653 | u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent) | |
654 | { | |
655 | return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) == | |
656 | DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM : | |
657 | DCB_APP_IDTYPE_ETHTYPE; | |
658 | } | |
659 | ||
98507672 SR |
660 | int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall) |
661 | { | |
662 | int i, err = 0; | |
663 | ||
664 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) { | |
665 | struct dcbx_app_priority_entry *ent = | |
666 | &bp->dcbx_local_feat.app.app_pri_tbl[i]; | |
667 | ||
668 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { | |
669 | u8 up = bnx2x_dcbx_dcbnl_app_up(ent); | |
670 | ||
671 | /* avoid invalid user-priority */ | |
672 | if (up) { | |
673 | struct dcb_app app; | |
674 | app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent); | |
675 | app.protocol = ent->app_id; | |
676 | app.priority = delall ? 0 : up; | |
677 | err = dcb_setapp(bp->dev, &app); | |
678 | } | |
679 | } | |
680 | } | |
681 | return err; | |
682 | } | |
683 | #endif | |
684 | ||
619c5cb6 VZ |
685 | static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set) |
686 | { | |
687 | if (SHMEM2_HAS(bp, drv_flags)) { | |
688 | u32 drv_flags; | |
689 | bnx2x_acquire_hw_lock(bp, HW_LOCK_DRV_FLAGS); | |
690 | drv_flags = SHMEM2_RD(bp, drv_flags); | |
691 | ||
692 | if (set) | |
693 | SET_FLAGS(drv_flags, flags); | |
694 | else | |
695 | RESET_FLAGS(drv_flags, flags); | |
696 | ||
697 | SHMEM2_WR(bp, drv_flags, drv_flags); | |
698 | DP(NETIF_MSG_HW, "drv_flags 0x%08x\n", drv_flags); | |
699 | bnx2x_release_hw_lock(bp, HW_LOCK_DRV_FLAGS); | |
700 | } | |
701 | } | |
702 | ||
6383c0b3 AE |
703 | static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) |
704 | { | |
705 | u8 prio, cos; | |
706 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) { | |
707 | for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) { | |
708 | if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask | |
709 | & (1 << prio)) { | |
710 | bp->prio_to_cos[prio] = cos; | |
09b775e7 DK |
711 | DP(NETIF_MSG_LINK, |
712 | "tx_mapping %d --> %d\n", prio, cos); | |
6383c0b3 AE |
713 | } |
714 | } | |
715 | } | |
716 | ||
717 | /* setup tc must be called under rtnl lock, but we can't take it here | |
718 | * as we are handling an attetntion on a work queue which must be | |
719 | * flushed at some rtnl-locked contexts (e.g. if down) | |
720 | */ | |
721 | if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state)) | |
722 | schedule_delayed_work(&bp->sp_rtnl_task, 0); | |
723 | } | |
724 | ||
e4901dde VZ |
725 | void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) |
726 | { | |
727 | switch (state) { | |
728 | case BNX2X_DCBX_STATE_NEG_RECEIVED: | |
729 | { | |
730 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n"); | |
98507672 SR |
731 | #ifdef BCM_DCBNL |
732 | /** | |
733 | * Delete app tlvs from dcbnl before reading new | |
734 | * negotiation results | |
735 | */ | |
736 | bnx2x_dcbnl_update_applist(bp, true); | |
0be6bc62 SR |
737 | |
738 | /* Read rmeote mib if dcbx is in the FW */ | |
739 | if (bnx2x_dcbx_read_shmem_remote_mib(bp)) | |
740 | return; | |
98507672 | 741 | #endif |
e4901dde VZ |
742 | /* Read neg results if dcbx is in the FW */ |
743 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) | |
744 | return; | |
745 | ||
746 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, | |
747 | bp->dcbx_error); | |
748 | ||
749 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, | |
750 | bp->dcbx_error); | |
751 | ||
619c5cb6 VZ |
752 | /* mark DCBX result for PMF migration */ |
753 | bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 1); | |
98507672 SR |
754 | #ifdef BCM_DCBNL |
755 | /** | |
619c5cb6 | 756 | * Add new app tlvs to dcbnl |
98507672 | 757 | */ |
619c5cb6 | 758 | bnx2x_dcbnl_update_applist(bp, false); |
98507672 | 759 | #endif |
619c5cb6 VZ |
760 | bnx2x_dcbx_stop_hw_tx(bp); |
761 | ||
6383c0b3 AE |
762 | /* reconfigure the netdevice with the results of the new |
763 | * dcbx negotiation. | |
764 | */ | |
765 | bnx2x_dcbx_update_tc_mapping(bp); | |
766 | ||
619c5cb6 | 767 | return; |
e4901dde VZ |
768 | } |
769 | case BNX2X_DCBX_STATE_TX_PAUSED: | |
770 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_PAUSED\n"); | |
771 | bnx2x_pfc_set_pfc(bp); | |
772 | ||
773 | bnx2x_dcbx_update_ets_params(bp); | |
619c5cb6 VZ |
774 | bnx2x_dcbx_resume_hw_tx(bp); |
775 | return; | |
e4901dde VZ |
776 | case BNX2X_DCBX_STATE_TX_RELEASED: |
777 | DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_TX_RELEASED\n"); | |
619c5cb6 | 778 | bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0); |
3c878d47 | 779 | #ifdef BCM_DCBNL |
09b775e7 | 780 | /* |
3c878d47 SR |
781 | * Send a notification for the new negotiated parameters |
782 | */ | |
783 | dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); | |
784 | #endif | |
e4901dde VZ |
785 | return; |
786 | default: | |
787 | BNX2X_ERR("Unknown DCBX_STATE\n"); | |
788 | } | |
789 | } | |
790 | ||
e4901dde VZ |
791 | #define LLDP_ADMIN_MIB_OFFSET(bp) (PORT_MAX*sizeof(struct lldp_params) + \ |
792 | BP_PORT(bp)*sizeof(struct lldp_admin_mib)) | |
793 | ||
e4901dde VZ |
794 | static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp, |
795 | u32 dcbx_lldp_params_offset) | |
796 | { | |
797 | struct lldp_admin_mib admin_mib; | |
798 | u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0; | |
e4901dde VZ |
799 | u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp); |
800 | ||
801 | /*shortcuts*/ | |
802 | struct dcbx_features *af = &admin_mib.features; | |
803 | struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params; | |
804 | ||
805 | memset(&admin_mib, 0, sizeof(struct lldp_admin_mib)); | |
6debea87 | 806 | |
e4901dde | 807 | /* Read the data first */ |
6debea87 DK |
808 | bnx2x_read_data(bp, (u32 *)&admin_mib, offset, |
809 | sizeof(struct lldp_admin_mib)); | |
e4901dde | 810 | |
785b9b1a SR |
811 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON) |
812 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); | |
813 | else | |
814 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED); | |
e4901dde | 815 | |
6debea87 DK |
816 | if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) { |
817 | ||
e4901dde VZ |
818 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK); |
819 | admin_mib.ver_cfg_flags |= | |
820 | (dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) & | |
821 | DCBX_CEE_VERSION_MASK; | |
822 | ||
823 | af->ets.enabled = (u8)dp->admin_ets_enable; | |
824 | ||
825 | af->pfc.enabled = (u8)dp->admin_pfc_enable; | |
826 | ||
827 | /* FOR IEEE dp->admin_tc_supported_tx_enable */ | |
828 | if (dp->admin_ets_configuration_tx_enable) | |
829 | SET_FLAGS(admin_mib.ver_cfg_flags, | |
830 | DCBX_ETS_CONFIG_TX_ENABLED); | |
831 | else | |
832 | RESET_FLAGS(admin_mib.ver_cfg_flags, | |
833 | DCBX_ETS_CONFIG_TX_ENABLED); | |
834 | /* For IEEE admin_ets_recommendation_tx_enable */ | |
835 | if (dp->admin_pfc_tx_enable) | |
836 | SET_FLAGS(admin_mib.ver_cfg_flags, | |
837 | DCBX_PFC_CONFIG_TX_ENABLED); | |
838 | else | |
839 | RESET_FLAGS(admin_mib.ver_cfg_flags, | |
840 | DCBX_PFC_CONFIG_TX_ENABLED); | |
841 | ||
842 | if (dp->admin_application_priority_tx_enable) | |
843 | SET_FLAGS(admin_mib.ver_cfg_flags, | |
844 | DCBX_APP_CONFIG_TX_ENABLED); | |
845 | else | |
846 | RESET_FLAGS(admin_mib.ver_cfg_flags, | |
847 | DCBX_APP_CONFIG_TX_ENABLED); | |
848 | ||
849 | if (dp->admin_ets_willing) | |
850 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); | |
851 | else | |
852 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING); | |
853 | /* For IEEE admin_ets_reco_valid */ | |
854 | if (dp->admin_pfc_willing) | |
855 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); | |
856 | else | |
857 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING); | |
858 | ||
859 | if (dp->admin_app_priority_willing) | |
860 | SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); | |
861 | else | |
862 | RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING); | |
863 | ||
864 | for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) { | |
865 | DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i, | |
866 | (u8)dp->admin_configuration_bw_precentage[i]); | |
867 | ||
868 | DP(NETIF_MSG_LINK, "pg_bw_tbl[%d] = %02x\n", | |
869 | i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i)); | |
870 | } | |
871 | ||
872 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { | |
873 | DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i, | |
874 | (u8)dp->admin_configuration_ets_pg[i]); | |
875 | ||
876 | DP(NETIF_MSG_LINK, "pri_pg_tbl[%d] = %02x\n", | |
877 | i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i)); | |
878 | } | |
879 | ||
880 | /*For IEEE admin_recommendation_bw_precentage | |
881 | *For IEEE admin_recommendation_ets_pg */ | |
882 | af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap; | |
883 | for (i = 0; i < 4; i++) { | |
884 | if (dp->admin_priority_app_table[i].valid) { | |
885 | struct bnx2x_admin_priority_app_table *table = | |
886 | dp->admin_priority_app_table; | |
887 | if ((ETH_TYPE_FCOE == table[i].app_id) && | |
888 | (TRAFFIC_TYPE_ETH == table[i].traffic_type)) | |
889 | traf_type = FCOE_APP_IDX; | |
890 | else if ((TCP_PORT_ISCSI == table[i].app_id) && | |
891 | (TRAFFIC_TYPE_PORT == table[i].traffic_type)) | |
892 | traf_type = ISCSI_APP_IDX; | |
893 | else | |
894 | traf_type = other_traf_type++; | |
895 | ||
896 | af->app.app_pri_tbl[traf_type].app_id = | |
897 | table[i].app_id; | |
898 | ||
899 | af->app.app_pri_tbl[traf_type].pri_bitmap = | |
900 | (u8)(1 << table[i].priority); | |
901 | ||
902 | af->app.app_pri_tbl[traf_type].appBitfield = | |
903 | (DCBX_APP_ENTRY_VALID); | |
904 | ||
905 | af->app.app_pri_tbl[traf_type].appBitfield |= | |
906 | (TRAFFIC_TYPE_ETH == table[i].traffic_type) ? | |
907 | DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT; | |
908 | } | |
909 | } | |
910 | ||
911 | af->app.default_pri = (u8)dp->admin_default_priority; | |
912 | ||
6debea87 | 913 | } |
e4901dde VZ |
914 | |
915 | /* Write the data. */ | |
6debea87 DK |
916 | bnx2x_write_data(bp, (u32 *)&admin_mib, offset, |
917 | sizeof(struct lldp_admin_mib)); | |
918 | ||
e4901dde VZ |
919 | } |
920 | ||
785b9b1a SR |
921 | void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled) |
922 | { | |
6debea87 | 923 | if (!CHIP_IS_E1x(bp)) { |
785b9b1a SR |
924 | bp->dcb_state = dcb_on; |
925 | bp->dcbx_enabled = dcbx_enabled; | |
926 | } else { | |
927 | bp->dcb_state = false; | |
928 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID; | |
929 | } | |
930 | DP(NETIF_MSG_LINK, "DCB state [%s:%s]\n", | |
931 | dcb_on ? "ON" : "OFF", | |
932 | dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" : | |
933 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" : | |
934 | dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ? | |
935 | "on-chip with negotiation" : "invalid"); | |
936 | } | |
937 | ||
e4901dde VZ |
938 | void bnx2x_dcbx_init_params(struct bnx2x *bp) |
939 | { | |
940 | bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */ | |
e4901dde VZ |
941 | bp->dcbx_config_params.admin_ets_willing = 1; |
942 | bp->dcbx_config_params.admin_pfc_willing = 1; | |
943 | bp->dcbx_config_params.overwrite_settings = 1; | |
944 | bp->dcbx_config_params.admin_ets_enable = 1; | |
945 | bp->dcbx_config_params.admin_pfc_enable = 1; | |
946 | bp->dcbx_config_params.admin_tc_supported_tx_enable = 1; | |
947 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | |
948 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; | |
949 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; | |
950 | bp->dcbx_config_params.admin_ets_reco_valid = 1; | |
951 | bp->dcbx_config_params.admin_app_priority_willing = 1; | |
952 | bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 00; | |
953 | bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 50; | |
954 | bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 50; | |
955 | bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0; | |
956 | bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0; | |
957 | bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0; | |
958 | bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0; | |
959 | bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0; | |
960 | bp->dcbx_config_params.admin_configuration_ets_pg[0] = 1; | |
961 | bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0; | |
962 | bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0; | |
963 | bp->dcbx_config_params.admin_configuration_ets_pg[3] = 2; | |
964 | bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0; | |
965 | bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0; | |
966 | bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0; | |
967 | bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0; | |
968 | bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 0; | |
969 | bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 1; | |
970 | bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 2; | |
971 | bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0; | |
972 | bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 7; | |
973 | bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 5; | |
974 | bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 6; | |
975 | bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 7; | |
976 | bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0; | |
977 | bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1; | |
978 | bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2; | |
979 | bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3; | |
980 | bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4; | |
981 | bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5; | |
982 | bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6; | |
983 | bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7; | |
984 | bp->dcbx_config_params.admin_pfc_bitmap = 0x8; /* FCoE(3) enable */ | |
985 | bp->dcbx_config_params.admin_priority_app_table[0].valid = 1; | |
986 | bp->dcbx_config_params.admin_priority_app_table[1].valid = 1; | |
987 | bp->dcbx_config_params.admin_priority_app_table[2].valid = 0; | |
988 | bp->dcbx_config_params.admin_priority_app_table[3].valid = 0; | |
989 | bp->dcbx_config_params.admin_priority_app_table[0].priority = 3; | |
990 | bp->dcbx_config_params.admin_priority_app_table[1].priority = 0; | |
991 | bp->dcbx_config_params.admin_priority_app_table[2].priority = 0; | |
992 | bp->dcbx_config_params.admin_priority_app_table[3].priority = 0; | |
993 | bp->dcbx_config_params.admin_priority_app_table[0].traffic_type = 0; | |
994 | bp->dcbx_config_params.admin_priority_app_table[1].traffic_type = 1; | |
995 | bp->dcbx_config_params.admin_priority_app_table[2].traffic_type = 0; | |
996 | bp->dcbx_config_params.admin_priority_app_table[3].traffic_type = 0; | |
997 | bp->dcbx_config_params.admin_priority_app_table[0].app_id = 0x8906; | |
998 | bp->dcbx_config_params.admin_priority_app_table[1].app_id = 3260; | |
999 | bp->dcbx_config_params.admin_priority_app_table[2].app_id = 0; | |
1000 | bp->dcbx_config_params.admin_priority_app_table[3].app_id = 0; | |
1001 | bp->dcbx_config_params.admin_default_priority = | |
1002 | bp->dcbx_config_params.admin_priority_app_table[1].priority; | |
1003 | } | |
1004 | ||
1005 | void bnx2x_dcbx_init(struct bnx2x *bp) | |
1006 | { | |
1007 | u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE; | |
785b9b1a SR |
1008 | |
1009 | if (bp->dcbx_enabled <= 0) | |
1010 | return; | |
1011 | ||
e4901dde VZ |
1012 | /* validate: |
1013 | * chip of good for dcbx version, | |
1014 | * dcb is wanted | |
1015 | * the function is pmf | |
1016 | * shmem2 contains DCBX support fields | |
1017 | */ | |
785b9b1a SR |
1018 | DP(NETIF_MSG_LINK, "dcb_state %d bp->port.pmf %d\n", |
1019 | bp->dcb_state, bp->port.pmf); | |
e4901dde | 1020 | |
619c5cb6 | 1021 | if (bp->dcb_state == BNX2X_DCB_STATE_ON && bp->port.pmf && |
e4901dde | 1022 | SHMEM2_HAS(bp, dcbx_lldp_params_offset)) { |
785b9b1a SR |
1023 | dcbx_lldp_params_offset = |
1024 | SHMEM2_RD(bp, dcbx_lldp_params_offset); | |
1025 | ||
e4901dde VZ |
1026 | DP(NETIF_MSG_LINK, "dcbx_lldp_params_offset 0x%x\n", |
1027 | dcbx_lldp_params_offset); | |
785b9b1a | 1028 | |
619c5cb6 VZ |
1029 | bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 0); |
1030 | ||
e4901dde | 1031 | if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { |
e4901dde VZ |
1032 | bnx2x_dcbx_admin_mib_updated_params(bp, |
1033 | dcbx_lldp_params_offset); | |
1034 | ||
619c5cb6 | 1035 | /* Let HW start negotiation */ |
e4901dde VZ |
1036 | bnx2x_fw_command(bp, |
1037 | DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0); | |
1038 | } | |
1039 | } | |
1040 | } | |
e4901dde VZ |
1041 | static void |
1042 | bnx2x_dcbx_print_cos_params(struct bnx2x *bp, | |
6debea87 | 1043 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) |
e4901dde VZ |
1044 | { |
1045 | u8 pri = 0; | |
1046 | u8 cos = 0; | |
1047 | ||
1048 | DP(NETIF_MSG_LINK, | |
1049 | "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version); | |
1050 | DP(NETIF_MSG_LINK, | |
1051 | "pdev->params.dcbx_port_params.pfc." | |
1052 | "priority_non_pauseable_mask %x\n", | |
1053 | bp->dcbx_port_params.pfc.priority_non_pauseable_mask); | |
1054 | ||
1055 | for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) { | |
1056 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | |
1057 | "cos_params[%d].pri_bitmask %x\n", cos, | |
1058 | bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask); | |
1059 | ||
1060 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | |
1061 | "cos_params[%d].bw_tbl %x\n", cos, | |
1062 | bp->dcbx_port_params.ets.cos_params[cos].bw_tbl); | |
1063 | ||
1064 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | |
1065 | "cos_params[%d].strict %x\n", cos, | |
1066 | bp->dcbx_port_params.ets.cos_params[cos].strict); | |
1067 | ||
1068 | DP(NETIF_MSG_LINK, "pdev->params.dcbx_port_params.ets." | |
1069 | "cos_params[%d].pauseable %x\n", cos, | |
1070 | bp->dcbx_port_params.ets.cos_params[cos].pauseable); | |
1071 | } | |
1072 | ||
1073 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { | |
1074 | DP(NETIF_MSG_LINK, | |
1075 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d]." | |
1076 | "priority %x\n", pri, | |
1077 | pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority); | |
1078 | ||
1079 | DP(NETIF_MSG_LINK, | |
1080 | "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n", | |
1081 | pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos); | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | /* fills help_data according to pg_info */ | |
1086 | static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, | |
1087 | u32 *pg_pri_orginal_spread, | |
1088 | struct pg_help_data *help_data) | |
1089 | { | |
1090 | bool pg_found = false; | |
1091 | u32 i, traf_type, add_traf_type, add_pg; | |
1092 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | |
1093 | struct pg_entry_help_data *data = help_data->data; /*shotcut*/ | |
1094 | ||
1095 | /* Set to invalid */ | |
1096 | for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) | |
1097 | data[i].pg = DCBX_ILLEGAL_PG; | |
1098 | ||
1099 | for (add_traf_type = 0; | |
1100 | add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) { | |
1101 | pg_found = false; | |
1102 | if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) { | |
1103 | add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]]; | |
1104 | for (traf_type = 0; | |
1105 | traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; | |
1106 | traf_type++) { | |
1107 | if (data[traf_type].pg == add_pg) { | |
1108 | if (!(data[traf_type].pg_priority & | |
1109 | (1 << ttp[add_traf_type]))) | |
1110 | data[traf_type]. | |
1111 | num_of_dif_pri++; | |
1112 | data[traf_type].pg_priority |= | |
1113 | (1 << ttp[add_traf_type]); | |
1114 | pg_found = true; | |
1115 | break; | |
1116 | } | |
1117 | } | |
1118 | if (false == pg_found) { | |
1119 | data[help_data->num_of_pg].pg = add_pg; | |
1120 | data[help_data->num_of_pg].pg_priority = | |
1121 | (1 << ttp[add_traf_type]); | |
1122 | data[help_data->num_of_pg].num_of_dif_pri = 1; | |
1123 | help_data->num_of_pg++; | |
1124 | } | |
1125 | } | |
1126 | DP(NETIF_MSG_LINK, | |
1127 | "add_traf_type %d pg_found %s num_of_pg %d\n", | |
1128 | add_traf_type, (false == pg_found) ? "NO" : "YES", | |
1129 | help_data->num_of_pg); | |
1130 | } | |
1131 | } | |
1132 | ||
e4901dde VZ |
1133 | static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, |
1134 | struct cos_help_data *cos_data, | |
1135 | u32 pri_join_mask) | |
1136 | { | |
1137 | /* Only one priority than only one COS */ | |
1138 | cos_data->data[0].pausable = | |
1139 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | |
1140 | cos_data->data[0].pri_join_mask = pri_join_mask; | |
1141 | cos_data->data[0].cos_bw = 100; | |
1142 | cos_data->num_of_cos = 1; | |
1143 | } | |
1144 | ||
e4901dde VZ |
1145 | static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, |
1146 | struct cos_entry_help_data *data, | |
1147 | u8 pg_bw) | |
1148 | { | |
1149 | if (data->cos_bw == DCBX_INVALID_COS_BW) | |
1150 | data->cos_bw = pg_bw; | |
1151 | else | |
1152 | data->cos_bw += pg_bw; | |
1153 | } | |
1154 | ||
e4901dde VZ |
1155 | static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, |
1156 | struct cos_help_data *cos_data, | |
1157 | u32 *pg_pri_orginal_spread, | |
1158 | struct dcbx_ets_feature *ets) | |
1159 | { | |
1160 | u32 pri_tested = 0; | |
1161 | u8 i = 0; | |
1162 | u8 entry = 0; | |
1163 | u8 pg_entry = 0; | |
1164 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; | |
1165 | ||
1166 | cos_data->data[0].pausable = true; | |
1167 | cos_data->data[1].pausable = false; | |
1168 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; | |
1169 | ||
1170 | for (i = 0 ; i < num_of_pri ; i++) { | |
1171 | pri_tested = 1 << bp->dcbx_port_params. | |
1172 | app.traffic_type_priority[i]; | |
1173 | ||
1174 | if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) { | |
1175 | cos_data->data[1].pri_join_mask |= pri_tested; | |
1176 | entry = 1; | |
1177 | } else { | |
1178 | cos_data->data[0].pri_join_mask |= pri_tested; | |
1179 | entry = 0; | |
1180 | } | |
1181 | pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params. | |
1182 | app.traffic_type_priority[i]]; | |
1183 | /* There can be only one strict pg */ | |
1184 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) | |
1185 | bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry], | |
1186 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry)); | |
1187 | else | |
1188 | /* If we join a group and one is strict | |
1189 | * than the bw rulls */ | |
1190 | cos_data->data[entry].strict = | |
d1976b2e | 1191 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
e4901dde VZ |
1192 | } |
1193 | if ((0 == cos_data->data[0].pri_join_mask) && | |
1194 | (0 == cos_data->data[1].pri_join_mask)) | |
1195 | BNX2X_ERR("dcbx error: Both groups must have priorities\n"); | |
1196 | } | |
1197 | ||
1198 | ||
1199 | #ifndef POWER_OF_2 | |
1200 | #define POWER_OF_2(x) ((0 != x) && (0 == (x & (x-1)))) | |
1201 | #endif | |
1202 | ||
d1976b2e | 1203 | static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp, |
e4901dde VZ |
1204 | struct pg_help_data *pg_help_data, |
1205 | struct cos_help_data *cos_data, | |
1206 | u32 pri_join_mask, | |
1207 | u8 num_of_dif_pri) | |
1208 | { | |
1209 | u8 i = 0; | |
1210 | u32 pri_tested = 0; | |
1211 | u32 pri_mask_without_pri = 0; | |
1212 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | |
1213 | /*debug*/ | |
1214 | if (num_of_dif_pri == 1) { | |
1215 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask); | |
1216 | return; | |
1217 | } | |
1218 | /* single priority group */ | |
1219 | if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { | |
1220 | /* If there are both pauseable and non-pauseable priorities, | |
1221 | * the pauseable priorities go to the first queue and | |
1222 | * the non-pauseable priorities go to the second queue. | |
1223 | */ | |
1224 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | |
1225 | /* Pauseable */ | |
1226 | cos_data->data[0].pausable = true; | |
1227 | /* Non pauseable.*/ | |
1228 | cos_data->data[1].pausable = false; | |
1229 | ||
1230 | if (2 == num_of_dif_pri) { | |
1231 | cos_data->data[0].cos_bw = 50; | |
1232 | cos_data->data[1].cos_bw = 50; | |
1233 | } | |
1234 | ||
1235 | if (3 == num_of_dif_pri) { | |
1236 | if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp, | |
1237 | pri_join_mask))) { | |
1238 | cos_data->data[0].cos_bw = 33; | |
1239 | cos_data->data[1].cos_bw = 67; | |
1240 | } else { | |
1241 | cos_data->data[0].cos_bw = 67; | |
1242 | cos_data->data[1].cos_bw = 33; | |
1243 | } | |
1244 | } | |
1245 | ||
1246 | } else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) { | |
1247 | /* If there are only pauseable priorities, | |
1248 | * then one/two priorities go to the first queue | |
1249 | * and one priority goes to the second queue. | |
1250 | */ | |
1251 | if (2 == num_of_dif_pri) { | |
1252 | cos_data->data[0].cos_bw = 50; | |
1253 | cos_data->data[1].cos_bw = 50; | |
1254 | } else { | |
1255 | cos_data->data[0].cos_bw = 67; | |
1256 | cos_data->data[1].cos_bw = 33; | |
1257 | } | |
1258 | cos_data->data[1].pausable = true; | |
1259 | cos_data->data[0].pausable = true; | |
1260 | /* All priorities except FCOE */ | |
1261 | cos_data->data[0].pri_join_mask = (pri_join_mask & | |
1262 | ((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]))); | |
1263 | /* Only FCOE priority.*/ | |
1264 | cos_data->data[1].pri_join_mask = | |
1265 | (1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]); | |
1266 | } else | |
1267 | /* If there are only non-pauseable priorities, | |
1268 | * they will all go to the same queue. | |
1269 | */ | |
1270 | bnx2x_dcbx_ets_disabled_entry_data(bp, | |
1271 | cos_data, pri_join_mask); | |
1272 | } else { | |
1273 | /* priority group which is not BW limited (PG#15):*/ | |
1274 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | |
1275 | /* If there are both pauseable and non-pauseable | |
1276 | * priorities, the pauseable priorities go to the first | |
1277 | * queue and the non-pauseable priorities | |
1278 | * go to the second queue. | |
1279 | */ | |
1280 | if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) > | |
1281 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) { | |
1282 | cos_data->data[0].strict = | |
d1976b2e | 1283 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
e4901dde | 1284 | cos_data->data[1].strict = |
d1976b2e DK |
1285 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
1286 | BNX2X_DCBX_STRICT_COS_HIGHEST); | |
e4901dde VZ |
1287 | } else { |
1288 | cos_data->data[0].strict = | |
d1976b2e DK |
1289 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( |
1290 | BNX2X_DCBX_STRICT_COS_HIGHEST); | |
e4901dde | 1291 | cos_data->data[1].strict = |
d1976b2e | 1292 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
e4901dde VZ |
1293 | } |
1294 | /* Pauseable */ | |
1295 | cos_data->data[0].pausable = true; | |
1296 | /* Non pause-able.*/ | |
1297 | cos_data->data[1].pausable = false; | |
1298 | } else { | |
1299 | /* If there are only pauseable priorities or | |
1300 | * only non-pauseable,* the lower priorities go | |
1301 | * to the first queue and the higherpriorities go | |
1302 | * to the second queue. | |
1303 | */ | |
1304 | cos_data->data[0].pausable = | |
1305 | cos_data->data[1].pausable = | |
1306 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | |
1307 | ||
1308 | for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) { | |
1309 | pri_tested = 1 << bp->dcbx_port_params. | |
1310 | app.traffic_type_priority[i]; | |
1311 | /* Remove priority tested */ | |
1312 | pri_mask_without_pri = | |
1313 | (pri_join_mask & ((u8)(~pri_tested))); | |
1314 | if (pri_mask_without_pri < pri_tested) | |
1315 | break; | |
1316 | } | |
1317 | ||
1318 | if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX) | |
1319 | BNX2X_ERR("Invalid value for pri_join_mask -" | |
1320 | " could not find a priority\n"); | |
1321 | ||
1322 | cos_data->data[0].pri_join_mask = pri_mask_without_pri; | |
1323 | cos_data->data[1].pri_join_mask = pri_tested; | |
1324 | /* Both queues are strict priority, | |
1325 | * and that with the highest priority | |
1326 | * gets the highest strict priority in the arbiter. | |
1327 | */ | |
d1976b2e DK |
1328 | cos_data->data[0].strict = |
1329 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI( | |
1330 | BNX2X_DCBX_STRICT_COS_HIGHEST); | |
1331 | cos_data->data[1].strict = | |
1332 | BNX2X_DCBX_STRICT_COS_HIGHEST; | |
e4901dde VZ |
1333 | } |
1334 | } | |
1335 | } | |
1336 | ||
d1976b2e | 1337 | static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
e4901dde VZ |
1338 | struct bnx2x *bp, |
1339 | struct pg_help_data *pg_help_data, | |
1340 | struct dcbx_ets_feature *ets, | |
1341 | struct cos_help_data *cos_data, | |
1342 | u32 *pg_pri_orginal_spread, | |
1343 | u32 pri_join_mask, | |
1344 | u8 num_of_dif_pri) | |
1345 | { | |
1346 | u8 i = 0; | |
d1976b2e | 1347 | u8 pg[DCBX_COS_MAX_NUM_E2] = { 0 }; |
e4901dde VZ |
1348 | |
1349 | /* If there are both pauseable and non-pauseable priorities, | |
1350 | * the pauseable priorities go to the first queue and | |
1351 | * the non-pauseable priorities go to the second queue. | |
1352 | */ | |
1353 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) { | |
1354 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, | |
1355 | pg_help_data->data[0].pg_priority) || | |
1356 | IS_DCBX_PFC_PRI_MIX_PAUSE(bp, | |
1357 | pg_help_data->data[1].pg_priority)) { | |
1358 | /* If one PG contains both pauseable and | |
1359 | * non-pauseable priorities then ETS is disabled. | |
1360 | */ | |
1361 | bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data, | |
1362 | pg_pri_orginal_spread, ets); | |
1363 | bp->dcbx_port_params.ets.enabled = false; | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | /* Pauseable */ | |
1368 | cos_data->data[0].pausable = true; | |
1369 | /* Non pauseable. */ | |
1370 | cos_data->data[1].pausable = false; | |
1371 | if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, | |
1372 | pg_help_data->data[0].pg_priority)) { | |
1373 | /* 0 is pauseable */ | |
1374 | cos_data->data[0].pri_join_mask = | |
1375 | pg_help_data->data[0].pg_priority; | |
1376 | pg[0] = pg_help_data->data[0].pg; | |
1377 | cos_data->data[1].pri_join_mask = | |
1378 | pg_help_data->data[1].pg_priority; | |
1379 | pg[1] = pg_help_data->data[1].pg; | |
1380 | } else {/* 1 is pauseable */ | |
1381 | cos_data->data[0].pri_join_mask = | |
1382 | pg_help_data->data[1].pg_priority; | |
1383 | pg[0] = pg_help_data->data[1].pg; | |
1384 | cos_data->data[1].pri_join_mask = | |
1385 | pg_help_data->data[0].pg_priority; | |
1386 | pg[1] = pg_help_data->data[0].pg; | |
1387 | } | |
1388 | } else { | |
1389 | /* If there are only pauseable priorities or | |
1390 | * only non-pauseable, each PG goes to a queue. | |
1391 | */ | |
1392 | cos_data->data[0].pausable = cos_data->data[1].pausable = | |
1393 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | |
1394 | cos_data->data[0].pri_join_mask = | |
1395 | pg_help_data->data[0].pg_priority; | |
1396 | pg[0] = pg_help_data->data[0].pg; | |
1397 | cos_data->data[1].pri_join_mask = | |
1398 | pg_help_data->data[1].pg_priority; | |
1399 | pg[1] = pg_help_data->data[1].pg; | |
1400 | } | |
1401 | ||
1402 | /* There can be only one strict pg */ | |
d1976b2e | 1403 | for (i = 0 ; i < ARRAY_SIZE(pg); i++) { |
e4901dde VZ |
1404 | if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES) |
1405 | cos_data->data[i].cos_bw = | |
1406 | DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]); | |
1407 | else | |
d1976b2e DK |
1408 | cos_data->data[i].strict = |
1409 | BNX2X_DCBX_STRICT_COS_HIGHEST; | |
e4901dde VZ |
1410 | } |
1411 | } | |
1412 | ||
d1976b2e DK |
1413 | static int bnx2x_dcbx_join_pgs( |
1414 | struct bnx2x *bp, | |
1415 | struct dcbx_ets_feature *ets, | |
1416 | struct pg_help_data *pg_help_data, | |
1417 | u8 required_num_of_pg) | |
1418 | { | |
1419 | u8 entry_joined = pg_help_data->num_of_pg - 1; | |
1420 | u8 entry_removed = entry_joined + 1; | |
1421 | u8 pg_joined = 0; | |
1422 | ||
1423 | if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data) | |
1424 | <= pg_help_data->num_of_pg) { | |
1425 | ||
1426 | BNX2X_ERR("required_num_of_pg can't be zero\n"); | |
1427 | return -EINVAL; | |
1428 | } | |
1429 | ||
1430 | while (required_num_of_pg < pg_help_data->num_of_pg) { | |
1431 | entry_joined = pg_help_data->num_of_pg - 2; | |
1432 | entry_removed = entry_joined + 1; | |
1433 | /* protect index */ | |
1434 | entry_removed %= ARRAY_SIZE(pg_help_data->data); | |
1435 | ||
1436 | pg_help_data->data[entry_joined].pg_priority |= | |
1437 | pg_help_data->data[entry_removed].pg_priority; | |
1438 | ||
1439 | pg_help_data->data[entry_joined].num_of_dif_pri += | |
1440 | pg_help_data->data[entry_removed].num_of_dif_pri; | |
1441 | ||
1442 | if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG || | |
1443 | pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG) | |
1444 | /* Entries joined strict priority rules */ | |
1445 | pg_help_data->data[entry_joined].pg = | |
1446 | DCBX_STRICT_PRI_PG; | |
1447 | else { | |
1448 | /* Entries can be joined join BW */ | |
1449 | pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl, | |
1450 | pg_help_data->data[entry_joined].pg) + | |
1451 | DCBX_PG_BW_GET(ets->pg_bw_tbl, | |
1452 | pg_help_data->data[entry_removed].pg); | |
1453 | ||
1454 | DCBX_PG_BW_SET(ets->pg_bw_tbl, | |
1455 | pg_help_data->data[entry_joined].pg, pg_joined); | |
1456 | } | |
1457 | /* Joined the entries */ | |
1458 | pg_help_data->num_of_pg--; | |
1459 | } | |
1460 | ||
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( | |
e4901dde VZ |
1465 | struct bnx2x *bp, |
1466 | struct pg_help_data *pg_help_data, | |
1467 | struct dcbx_ets_feature *ets, | |
1468 | struct cos_help_data *cos_data, | |
1469 | u32 *pg_pri_orginal_spread, | |
1470 | u32 pri_join_mask, | |
1471 | u8 num_of_dif_pri) | |
1472 | { | |
1473 | u8 i = 0; | |
1474 | u32 pri_tested = 0; | |
1475 | u8 entry = 0; | |
1476 | u8 pg_entry = 0; | |
1477 | bool b_found_strict = false; | |
1478 | u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX; | |
1479 | ||
1480 | cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0; | |
1481 | /* If there are both pauseable and non-pauseable priorities, | |
1482 | * the pauseable priorities go to the first queue and the | |
1483 | * non-pauseable priorities go to the second queue. | |
1484 | */ | |
1485 | if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) | |
1486 | bnx2x_dcbx_separate_pauseable_from_non(bp, | |
1487 | cos_data, pg_pri_orginal_spread, ets); | |
1488 | else { | |
1489 | /* If two BW-limited PG-s were combined to one queue, | |
1490 | * the BW is their sum. | |
1491 | * | |
1492 | * If there are only pauseable priorities or only non-pauseable, | |
1493 | * and there are both BW-limited and non-BW-limited PG-s, | |
1494 | * the BW-limited PG/s go to one queue and the non-BW-limited | |
1495 | * PG/s go to the second queue. | |
1496 | * | |
1497 | * If there are only pauseable priorities or only non-pauseable | |
1498 | * and all are BW limited, then two priorities go to the first | |
1499 | * queue and one priority goes to the second queue. | |
1500 | * | |
1501 | * We will join this two cases: | |
1502 | * if one is BW limited it will go to the secoend queue | |
1503 | * otherwise the last priority will get it | |
1504 | */ | |
1505 | ||
1506 | cos_data->data[0].pausable = cos_data->data[1].pausable = | |
1507 | IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask); | |
1508 | ||
1509 | for (i = 0 ; i < num_of_pri; i++) { | |
1510 | pri_tested = 1 << bp->dcbx_port_params. | |
1511 | app.traffic_type_priority[i]; | |
1512 | pg_entry = (u8)pg_pri_orginal_spread[bp-> | |
1513 | dcbx_port_params.app.traffic_type_priority[i]]; | |
1514 | ||
1515 | if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) { | |
1516 | entry = 0; | |
1517 | ||
1518 | if (i == (num_of_pri-1) && | |
1519 | false == b_found_strict) | |
1520 | /* last entry will be handled separately | |
1521 | * If no priority is strict than last | |
1522 | * enty goes to last queue.*/ | |
1523 | entry = 1; | |
1524 | cos_data->data[entry].pri_join_mask |= | |
1525 | pri_tested; | |
1526 | bnx2x_dcbx_add_to_cos_bw(bp, | |
1527 | &cos_data->data[entry], | |
1528 | DCBX_PG_BW_GET(ets->pg_bw_tbl, | |
1529 | pg_entry)); | |
1530 | } else { | |
1531 | b_found_strict = true; | |
1532 | cos_data->data[1].pri_join_mask |= pri_tested; | |
1533 | /* If we join a group and one is strict | |
1534 | * than the bw rulls */ | |
1535 | cos_data->data[1].strict = | |
d1976b2e | 1536 | BNX2X_DCBX_STRICT_COS_HIGHEST; |
e4901dde VZ |
1537 | } |
1538 | } | |
1539 | } | |
1540 | } | |
1541 | ||
1542 | ||
d1976b2e | 1543 | static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp, |
e4901dde VZ |
1544 | struct pg_help_data *help_data, |
1545 | struct dcbx_ets_feature *ets, | |
d1976b2e DK |
1546 | struct cos_help_data *cos_data, |
1547 | u32 *pg_pri_orginal_spread, | |
1548 | u32 pri_join_mask, | |
1549 | u8 num_of_dif_pri) | |
e4901dde | 1550 | { |
e4901dde | 1551 | |
d1976b2e DK |
1552 | /* default E2 settings */ |
1553 | cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2; | |
e4901dde VZ |
1554 | |
1555 | switch (help_data->num_of_pg) { | |
1556 | case 1: | |
d1976b2e | 1557 | bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params( |
e4901dde VZ |
1558 | bp, |
1559 | help_data, | |
d1976b2e | 1560 | cos_data, |
e4901dde VZ |
1561 | pri_join_mask, |
1562 | num_of_dif_pri); | |
1563 | break; | |
1564 | case 2: | |
d1976b2e | 1565 | bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params( |
e4901dde VZ |
1566 | bp, |
1567 | help_data, | |
1568 | ets, | |
d1976b2e | 1569 | cos_data, |
e4901dde VZ |
1570 | pg_pri_orginal_spread, |
1571 | pri_join_mask, | |
1572 | num_of_dif_pri); | |
1573 | break; | |
1574 | ||
1575 | case 3: | |
d1976b2e | 1576 | bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params( |
e4901dde VZ |
1577 | bp, |
1578 | help_data, | |
1579 | ets, | |
d1976b2e | 1580 | cos_data, |
e4901dde VZ |
1581 | pg_pri_orginal_spread, |
1582 | pri_join_mask, | |
1583 | num_of_dif_pri); | |
e4901dde VZ |
1584 | break; |
1585 | default: | |
1586 | BNX2X_ERR("Wrong pg_help_data.num_of_pg\n"); | |
1587 | bnx2x_dcbx_ets_disabled_entry_data(bp, | |
d1976b2e DK |
1588 | cos_data, pri_join_mask); |
1589 | } | |
1590 | } | |
1591 | ||
1592 | static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp, | |
1593 | struct cos_help_data *cos_data, | |
1594 | u8 entry, | |
1595 | u8 num_spread_of_entries, | |
1596 | u8 strict_app_pris) | |
1597 | { | |
1598 | u8 strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST; | |
1599 | u8 num_of_app_pri = MAX_PFC_PRIORITIES; | |
1600 | u8 app_pri_bit = 0; | |
1601 | ||
1602 | while (num_spread_of_entries && num_of_app_pri > 0) { | |
1603 | app_pri_bit = 1 << (num_of_app_pri - 1); | |
1604 | if (app_pri_bit & strict_app_pris) { | |
1605 | struct cos_entry_help_data *data = &cos_data-> | |
1606 | data[entry]; | |
1607 | num_spread_of_entries--; | |
1608 | if (num_spread_of_entries == 0) { | |
1609 | /* last entry needed put all the entries left */ | |
1610 | data->cos_bw = DCBX_INVALID_COS_BW; | |
1611 | data->strict = strict_pri; | |
1612 | data->pri_join_mask = strict_app_pris; | |
1613 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | |
1614 | data->pri_join_mask); | |
1615 | } else { | |
1616 | strict_app_pris &= ~app_pri_bit; | |
1617 | ||
1618 | data->cos_bw = DCBX_INVALID_COS_BW; | |
1619 | data->strict = strict_pri; | |
1620 | data->pri_join_mask = app_pri_bit; | |
1621 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | |
1622 | data->pri_join_mask); | |
1623 | } | |
1624 | ||
1625 | strict_pri = | |
1626 | BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri); | |
1627 | entry++; | |
1628 | } | |
1629 | ||
1630 | num_of_app_pri--; | |
1631 | } | |
1632 | ||
1633 | if (num_spread_of_entries) | |
1634 | return -EINVAL; | |
1635 | ||
1636 | return 0; | |
1637 | } | |
1638 | ||
1639 | static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp, | |
1640 | struct cos_help_data *cos_data, | |
1641 | u8 entry, | |
1642 | u8 num_spread_of_entries, | |
1643 | u8 strict_app_pris) | |
1644 | { | |
1645 | ||
1646 | if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry, | |
1647 | num_spread_of_entries, | |
1648 | strict_app_pris)) { | |
1649 | struct cos_entry_help_data *data = &cos_data-> | |
1650 | data[entry]; | |
1651 | /* Fill BW entry */ | |
1652 | data->cos_bw = DCBX_INVALID_COS_BW; | |
1653 | data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST; | |
1654 | data->pri_join_mask = strict_app_pris; | |
1655 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | |
1656 | data->pri_join_mask); | |
1657 | return 1; | |
1658 | } | |
1659 | ||
1660 | return num_spread_of_entries; | |
1661 | } | |
1662 | ||
1663 | static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp, | |
1664 | struct pg_help_data *help_data, | |
1665 | struct dcbx_ets_feature *ets, | |
1666 | struct cos_help_data *cos_data, | |
1667 | u32 pri_join_mask) | |
1668 | ||
1669 | { | |
1670 | u8 need_num_of_entries = 0; | |
1671 | u8 i = 0; | |
1672 | u8 entry = 0; | |
1673 | ||
1674 | /* | |
1675 | * if the number of requested PG-s in CEE is greater than 3 | |
1676 | * then the results are not determined since this is a violation | |
1677 | * of the standard. | |
1678 | */ | |
1679 | if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) { | |
1680 | if (bnx2x_dcbx_join_pgs(bp, ets, help_data, | |
1681 | DCBX_COS_MAX_NUM_E3B0)) { | |
1682 | BNX2X_ERR("Unable to reduce the number of PGs -" | |
1683 | "we will disables ETS\n"); | |
1684 | bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, | |
1685 | pri_join_mask); | |
1686 | return; | |
1687 | } | |
e4901dde VZ |
1688 | } |
1689 | ||
d1976b2e DK |
1690 | for (i = 0 ; i < help_data->num_of_pg; i++) { |
1691 | struct pg_entry_help_data *pg = &help_data->data[i]; | |
1692 | if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) { | |
1693 | struct cos_entry_help_data *data = &cos_data-> | |
1694 | data[entry]; | |
1695 | /* Fill BW entry */ | |
1696 | data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg); | |
1697 | data->strict = BNX2X_DCBX_STRICT_INVALID; | |
1698 | data->pri_join_mask = pg->pg_priority; | |
1699 | data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp, | |
1700 | data->pri_join_mask); | |
1701 | ||
1702 | entry++; | |
1703 | } else { | |
1704 | need_num_of_entries = min_t(u8, | |
1705 | (u8)pg->num_of_dif_pri, | |
1706 | (u8)DCBX_COS_MAX_NUM_E3B0 - | |
1707 | help_data->num_of_pg + 1); | |
1708 | /* | |
1709 | * If there are still VOQ-s which have no associated PG, | |
1710 | * then associate these VOQ-s to PG15. These PG-s will | |
1711 | * be used for SP between priorities on PG15. | |
1712 | */ | |
1713 | entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data, | |
1714 | entry, need_num_of_entries, pg->pg_priority); | |
1715 | } | |
1716 | } | |
1717 | ||
1718 | /* the entry will represent the number of COSes used */ | |
1719 | cos_data->num_of_cos = entry; | |
1720 | } | |
1721 | static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp, | |
1722 | struct pg_help_data *help_data, | |
1723 | struct dcbx_ets_feature *ets, | |
1724 | u32 *pg_pri_orginal_spread) | |
1725 | { | |
1726 | struct cos_help_data cos_data; | |
1727 | u8 i = 0; | |
1728 | u32 pri_join_mask = 0; | |
1729 | u8 num_of_dif_pri = 0; | |
1730 | ||
1731 | memset(&cos_data, 0, sizeof(cos_data)); | |
1732 | ||
1733 | /* Validate the pg value */ | |
1734 | for (i = 0; i < help_data->num_of_pg ; i++) { | |
1735 | if (DCBX_STRICT_PRIORITY != help_data->data[i].pg && | |
1736 | DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg) | |
1737 | BNX2X_ERR("Invalid pg[%d] data %x\n", i, | |
1738 | help_data->data[i].pg); | |
1739 | pri_join_mask |= help_data->data[i].pg_priority; | |
1740 | num_of_dif_pri += help_data->data[i].num_of_dif_pri; | |
1741 | } | |
1742 | ||
1743 | /* defaults */ | |
1744 | cos_data.num_of_cos = 1; | |
1745 | for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) { | |
1746 | cos_data.data[i].pri_join_mask = 0; | |
1747 | cos_data.data[i].pausable = false; | |
1748 | cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID; | |
1749 | cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW; | |
1750 | } | |
1751 | ||
1752 | if (CHIP_IS_E3B0(bp)) | |
1753 | bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets, | |
1754 | &cos_data, pri_join_mask); | |
1755 | else /* E2 + E3A0 */ | |
1756 | bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp, | |
1757 | help_data, ets, | |
1758 | &cos_data, | |
1759 | pg_pri_orginal_spread, | |
1760 | pri_join_mask, | |
1761 | num_of_dif_pri); | |
1762 | ||
e4901dde | 1763 | for (i = 0; i < cos_data.num_of_cos ; i++) { |
d1976b2e | 1764 | struct bnx2x_dcbx_cos_params *p = |
e4901dde VZ |
1765 | &bp->dcbx_port_params.ets.cos_params[i]; |
1766 | ||
d1976b2e DK |
1767 | p->strict = cos_data.data[i].strict; |
1768 | p->bw_tbl = cos_data.data[i].cos_bw; | |
1769 | p->pri_bitmask = cos_data.data[i].pri_join_mask; | |
1770 | p->pauseable = cos_data.data[i].pausable; | |
1771 | ||
1772 | /* sanity */ | |
1773 | if (p->bw_tbl != DCBX_INVALID_COS_BW || | |
1774 | p->strict != BNX2X_DCBX_STRICT_INVALID) { | |
1775 | if (p->pri_bitmask == 0) | |
1776 | BNX2X_ERR("Invalid pri_bitmask for %d\n", i); | |
1777 | ||
1778 | if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) { | |
1779 | ||
1780 | if (p->pauseable && | |
1781 | DCBX_PFC_PRI_GET_NON_PAUSE(bp, | |
1782 | p->pri_bitmask) != 0) | |
1783 | BNX2X_ERR("Inconsistent config for " | |
1784 | "pausable COS %d\n", i); | |
1785 | ||
1786 | if (!p->pauseable && | |
1787 | DCBX_PFC_PRI_GET_PAUSE(bp, | |
1788 | p->pri_bitmask) != 0) | |
1789 | BNX2X_ERR("Inconsistent config for " | |
1790 | "nonpausable COS %d\n", i); | |
1791 | } | |
1792 | } | |
1793 | ||
1794 | if (p->pauseable) | |
e4901dde VZ |
1795 | DP(NETIF_MSG_LINK, "COS %d PAUSABLE prijoinmask 0x%x\n", |
1796 | i, cos_data.data[i].pri_join_mask); | |
d1976b2e | 1797 | else |
e4901dde VZ |
1798 | DP(NETIF_MSG_LINK, "COS %d NONPAUSABLE prijoinmask " |
1799 | "0x%x\n", | |
1800 | i, cos_data.data[i].pri_join_mask); | |
e4901dde VZ |
1801 | } |
1802 | ||
1803 | bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ; | |
1804 | } | |
1805 | ||
1806 | static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, | |
1807 | u32 *set_configuration_ets_pg, | |
1808 | u32 *pri_pg_tbl) | |
1809 | { | |
1810 | int i; | |
1811 | ||
1812 | for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) { | |
1813 | set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i); | |
1814 | ||
1815 | DP(NETIF_MSG_LINK, "set_configuration_ets_pg[%d] = 0x%x\n", | |
1816 | i, set_configuration_ets_pg[i]); | |
1817 | } | |
1818 | } | |
1819 | ||
6debea87 DK |
1820 | static void bnx2x_dcbx_fw_struct(struct bnx2x *bp, |
1821 | struct bnx2x_func_tx_start_params *pfc_fw_cfg) | |
e4901dde | 1822 | { |
e4901dde VZ |
1823 | u16 pri_bit = 0; |
1824 | u8 cos = 0, pri = 0; | |
1825 | struct priority_cos *tt2cos; | |
1826 | u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority; | |
1827 | ||
6debea87 DK |
1828 | memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg)); |
1829 | ||
1830 | /* to disable DCB - the structure must be zeroed */ | |
1831 | if (bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) | |
1832 | return; | |
e4901dde VZ |
1833 | |
1834 | /*shortcut*/ | |
1835 | tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos; | |
1836 | ||
1837 | /* Fw version should be incremented each update */ | |
1838 | pfc_fw_cfg->dcb_version = ++bp->dcb_version; | |
619c5cb6 | 1839 | pfc_fw_cfg->dcb_enabled = 1; |
e4901dde VZ |
1840 | |
1841 | /* Fill priority parameters */ | |
1842 | for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) { | |
1843 | tt2cos[pri].priority = ttp[pri]; | |
1844 | pri_bit = 1 << tt2cos[pri].priority; | |
1845 | ||
1846 | /* Fill COS parameters based on COS calculated to | |
619c5cb6 | 1847 | * make it more general for future use */ |
e4901dde VZ |
1848 | for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) |
1849 | if (bp->dcbx_port_params.ets.cos_params[cos]. | |
1850 | pri_bitmask & pri_bit) | |
1851 | tt2cos[pri].cos = cos; | |
1852 | } | |
619c5cb6 VZ |
1853 | |
1854 | /* we never want the FW to add a 0 vlan tag */ | |
1855 | pfc_fw_cfg->dont_add_pri_0_en = 1; | |
1856 | ||
e4901dde VZ |
1857 | bnx2x_dcbx_print_cos_params(bp, pfc_fw_cfg); |
1858 | } | |
619c5cb6 VZ |
1859 | |
1860 | void bnx2x_dcbx_pmf_update(struct bnx2x *bp) | |
1861 | { | |
1862 | /* if we need to syncronize DCBX result from prev PMF | |
1863 | * read it from shmem and update bp accordingly | |
1864 | */ | |
1865 | if (SHMEM2_HAS(bp, drv_flags) && | |
1866 | GET_FLAGS(SHMEM2_RD(bp, drv_flags), DRV_FLAGS_DCB_CONFIGURED)) { | |
1867 | /* Read neg results if dcbx is in the FW */ | |
1868 | if (bnx2x_dcbx_read_shmem_neg_results(bp)) | |
1869 | return; | |
1870 | ||
1871 | bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat, | |
1872 | bp->dcbx_error); | |
1873 | bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat, | |
1874 | bp->dcbx_error); | |
1875 | } | |
1876 | } | |
1877 | ||
785b9b1a | 1878 | /* DCB netlink */ |
98507672 | 1879 | #ifdef BCM_DCBNL |
785b9b1a SR |
1880 | |
1881 | #define BNX2X_DCBX_CAPS (DCB_CAP_DCBX_LLD_MANAGED | \ | |
1882 | DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC) | |
1883 | ||
1884 | static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp) | |
1885 | { | |
1886 | /* validate dcbnl call that may change HW state: | |
1887 | * DCB is on and DCBX mode was SUCCESSFULLY set by the user. | |
1888 | */ | |
1889 | return bp->dcb_state && bp->dcbx_mode_uset; | |
1890 | } | |
1891 | ||
1892 | static u8 bnx2x_dcbnl_get_state(struct net_device *netdev) | |
1893 | { | |
1894 | struct bnx2x *bp = netdev_priv(netdev); | |
1895 | DP(NETIF_MSG_LINK, "state = %d\n", bp->dcb_state); | |
1896 | return bp->dcb_state; | |
1897 | } | |
1898 | ||
1899 | static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state) | |
1900 | { | |
1901 | struct bnx2x *bp = netdev_priv(netdev); | |
1902 | DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off"); | |
1903 | ||
1904 | bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled); | |
1905 | return 0; | |
1906 | } | |
1907 | ||
1908 | static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev, | |
1909 | u8 *perm_addr) | |
1910 | { | |
1911 | struct bnx2x *bp = netdev_priv(netdev); | |
1912 | DP(NETIF_MSG_LINK, "GET-PERM-ADDR\n"); | |
1913 | ||
1914 | /* first the HW mac address */ | |
1915 | memcpy(perm_addr, netdev->dev_addr, netdev->addr_len); | |
1916 | ||
1917 | #ifdef BCM_CNIC | |
1918 | /* second SAN address */ | |
1919 | memcpy(perm_addr+netdev->addr_len, bp->fip_mac, netdev->addr_len); | |
1920 | #endif | |
1921 | } | |
1922 | ||
1923 | static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio, | |
1924 | u8 prio_type, u8 pgid, u8 bw_pct, | |
1925 | u8 up_map) | |
1926 | { | |
1927 | struct bnx2x *bp = netdev_priv(netdev); | |
1928 | ||
1929 | DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, pgid); | |
1930 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) | |
1931 | return; | |
1932 | ||
1933 | /** | |
1934 | * bw_pct ingnored - band-width percentage devision between user | |
1935 | * priorities within the same group is not | |
1936 | * standard and hence not supported | |
1937 | * | |
1938 | * prio_type igonred - priority levels within the same group are not | |
1939 | * standard and hence are not supported. According | |
1940 | * to the standard pgid 15 is dedicated to strict | |
1941 | * prioirty traffic (on the port level). | |
1942 | * | |
1943 | * up_map ignored | |
1944 | */ | |
1945 | ||
1946 | bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid; | |
1947 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | |
1948 | } | |
1949 | ||
1950 | static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev, | |
1951 | int pgid, u8 bw_pct) | |
1952 | { | |
1953 | struct bnx2x *bp = netdev_priv(netdev); | |
1954 | DP(NETIF_MSG_LINK, "pgid[%d] = %d\n", pgid, bw_pct); | |
1955 | ||
1956 | if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) | |
1957 | return; | |
1958 | ||
1959 | bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct; | |
1960 | bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1; | |
1961 | } | |
1962 | ||
1963 | static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio, | |
1964 | u8 prio_type, u8 pgid, u8 bw_pct, | |
1965 | u8 up_map) | |
1966 | { | |
1967 | struct bnx2x *bp = netdev_priv(netdev); | |
1968 | DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n"); | |
1969 | } | |
1970 | ||
1971 | static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev, | |
1972 | int pgid, u8 bw_pct) | |
1973 | { | |
1974 | struct bnx2x *bp = netdev_priv(netdev); | |
1975 | DP(NETIF_MSG_LINK, "Nothing to set; No RX support\n"); | |
1976 | } | |
1977 | ||
1978 | static void bnx2x_dcbnl_get_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(netdev); | |
1983 | DP(NETIF_MSG_LINK, "prio = %d\n", prio); | |
1984 | ||
1985 | /** | |
1986 | * bw_pct ingnored - band-width percentage devision between user | |
1987 | * priorities within the same group is not | |
1988 | * standard and hence not supported | |
1989 | * | |
1990 | * prio_type igonred - priority levels within the same group are not | |
1991 | * standard and hence are not supported. According | |
1992 | * to the standard pgid 15 is dedicated to strict | |
1993 | * prioirty traffic (on the port level). | |
1994 | * | |
1995 | * up_map ignored | |
1996 | */ | |
1997 | *up_map = *bw_pct = *prio_type = *pgid = 0; | |
1998 | ||
1999 | if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES) | |
2000 | return; | |
2001 | ||
2002 | *pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio); | |
2003 | } | |
2004 | ||
2005 | static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev, | |
2006 | int pgid, u8 *bw_pct) | |
2007 | { | |
2008 | struct bnx2x *bp = netdev_priv(netdev); | |
2009 | DP(NETIF_MSG_LINK, "pgid = %d\n", pgid); | |
2010 | ||
2011 | *bw_pct = 0; | |
2012 | ||
2013 | if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES) | |
2014 | return; | |
2015 | ||
2016 | *bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid); | |
2017 | } | |
2018 | ||
2019 | static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio, | |
2020 | u8 *prio_type, u8 *pgid, u8 *bw_pct, | |
2021 | u8 *up_map) | |
2022 | { | |
2023 | struct bnx2x *bp = netdev_priv(netdev); | |
2024 | DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n"); | |
2025 | ||
2026 | *prio_type = *pgid = *bw_pct = *up_map = 0; | |
2027 | } | |
2028 | ||
2029 | static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev, | |
2030 | int pgid, u8 *bw_pct) | |
2031 | { | |
2032 | struct bnx2x *bp = netdev_priv(netdev); | |
2033 | DP(NETIF_MSG_LINK, "Nothing to get; No RX support\n"); | |
2034 | ||
2035 | *bw_pct = 0; | |
2036 | } | |
2037 | ||
2038 | static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio, | |
2039 | u8 setting) | |
2040 | { | |
2041 | struct bnx2x *bp = netdev_priv(netdev); | |
2042 | DP(NETIF_MSG_LINK, "prio[%d] = %d\n", prio, setting); | |
2043 | ||
2044 | if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES) | |
2045 | return; | |
2046 | ||
2047 | bp->dcbx_config_params.admin_pfc_bitmap |= ((setting ? 1 : 0) << prio); | |
2048 | ||
2049 | if (setting) | |
2050 | bp->dcbx_config_params.admin_pfc_tx_enable = 1; | |
2051 | } | |
2052 | ||
2053 | static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio, | |
2054 | u8 *setting) | |
2055 | { | |
2056 | struct bnx2x *bp = netdev_priv(netdev); | |
2057 | DP(NETIF_MSG_LINK, "prio = %d\n", prio); | |
2058 | ||
2059 | *setting = 0; | |
2060 | ||
2061 | if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES) | |
2062 | return; | |
2063 | ||
2064 | *setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1; | |
2065 | } | |
2066 | ||
2067 | static u8 bnx2x_dcbnl_set_all(struct net_device *netdev) | |
2068 | { | |
2069 | struct bnx2x *bp = netdev_priv(netdev); | |
2070 | int rc = 0; | |
2071 | ||
2072 | DP(NETIF_MSG_LINK, "SET-ALL\n"); | |
2073 | ||
2074 | if (!bnx2x_dcbnl_set_valid(bp)) | |
2075 | return 1; | |
2076 | ||
2077 | if (bp->recovery_state != BNX2X_RECOVERY_DONE) { | |
2078 | netdev_err(bp->dev, "Handling parity error recovery. " | |
2079 | "Try again later\n"); | |
2080 | return 1; | |
2081 | } | |
2082 | if (netif_running(bp->dev)) { | |
2083 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
2084 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
2085 | } | |
2086 | DP(NETIF_MSG_LINK, "set_dcbx_params done (%d)\n", rc); | |
2087 | if (rc) | |
2088 | return 1; | |
2089 | ||
2090 | return 0; | |
2091 | } | |
2092 | ||
2093 | static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) | |
2094 | { | |
2095 | struct bnx2x *bp = netdev_priv(netdev); | |
2096 | u8 rval = 0; | |
2097 | ||
2098 | if (bp->dcb_state) { | |
2099 | switch (capid) { | |
2100 | case DCB_CAP_ATTR_PG: | |
2101 | *cap = true; | |
2102 | break; | |
2103 | case DCB_CAP_ATTR_PFC: | |
2104 | *cap = true; | |
2105 | break; | |
2106 | case DCB_CAP_ATTR_UP2TC: | |
2107 | *cap = false; | |
2108 | break; | |
2109 | case DCB_CAP_ATTR_PG_TCS: | |
2110 | *cap = 0x80; /* 8 priorities for PGs */ | |
2111 | break; | |
2112 | case DCB_CAP_ATTR_PFC_TCS: | |
2113 | *cap = 0x80; /* 8 priorities for PFC */ | |
2114 | break; | |
2115 | case DCB_CAP_ATTR_GSP: | |
2116 | *cap = true; | |
2117 | break; | |
2118 | case DCB_CAP_ATTR_BCN: | |
2119 | *cap = false; | |
2120 | break; | |
2121 | case DCB_CAP_ATTR_DCBX: | |
2122 | *cap = BNX2X_DCBX_CAPS; | |
2123 | default: | |
2124 | rval = -EINVAL; | |
2125 | break; | |
2126 | } | |
2127 | } else | |
2128 | rval = -EINVAL; | |
2129 | ||
2130 | DP(NETIF_MSG_LINK, "capid %d:%x\n", capid, *cap); | |
2131 | return rval; | |
2132 | } | |
2133 | ||
2134 | static u8 bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) | |
2135 | { | |
2136 | struct bnx2x *bp = netdev_priv(netdev); | |
2137 | u8 rval = 0; | |
2138 | ||
2139 | DP(NETIF_MSG_LINK, "tcid %d\n", tcid); | |
2140 | ||
2141 | if (bp->dcb_state) { | |
2142 | switch (tcid) { | |
2143 | case DCB_NUMTCS_ATTR_PG: | |
d1976b2e DK |
2144 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
2145 | DCBX_COS_MAX_NUM_E2; | |
785b9b1a SR |
2146 | break; |
2147 | case DCB_NUMTCS_ATTR_PFC: | |
d1976b2e DK |
2148 | *num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 : |
2149 | DCBX_COS_MAX_NUM_E2; | |
785b9b1a SR |
2150 | break; |
2151 | default: | |
2152 | rval = -EINVAL; | |
2153 | break; | |
2154 | } | |
2155 | } else | |
2156 | rval = -EINVAL; | |
2157 | ||
2158 | return rval; | |
2159 | } | |
2160 | ||
2161 | static u8 bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) | |
2162 | { | |
2163 | struct bnx2x *bp = netdev_priv(netdev); | |
2164 | DP(NETIF_MSG_LINK, "num tcs = %d; Not supported\n", num); | |
2165 | return -EINVAL; | |
2166 | } | |
2167 | ||
2168 | static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) | |
2169 | { | |
2170 | struct bnx2x *bp = netdev_priv(netdev); | |
2171 | DP(NETIF_MSG_LINK, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); | |
2172 | ||
2173 | if (!bp->dcb_state) | |
2174 | return 0; | |
2175 | ||
2176 | return bp->dcbx_local_feat.pfc.enabled; | |
2177 | } | |
2178 | ||
2179 | static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state) | |
2180 | { | |
2181 | struct bnx2x *bp = netdev_priv(netdev); | |
2182 | DP(NETIF_MSG_LINK, "state = %s\n", state ? "on" : "off"); | |
2183 | ||
2184 | if (!bnx2x_dcbnl_set_valid(bp)) | |
2185 | return; | |
2186 | ||
2187 | bp->dcbx_config_params.admin_pfc_tx_enable = | |
2188 | bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0); | |
2189 | } | |
2190 | ||
785b9b1a SR |
2191 | static void bnx2x_admin_app_set_ent( |
2192 | struct bnx2x_admin_priority_app_table *app_ent, | |
2193 | u8 idtype, u16 idval, u8 up) | |
2194 | { | |
2195 | app_ent->valid = 1; | |
2196 | ||
2197 | switch (idtype) { | |
2198 | case DCB_APP_IDTYPE_ETHTYPE: | |
2199 | app_ent->traffic_type = TRAFFIC_TYPE_ETH; | |
2200 | break; | |
2201 | case DCB_APP_IDTYPE_PORTNUM: | |
2202 | app_ent->traffic_type = TRAFFIC_TYPE_PORT; | |
2203 | break; | |
2204 | default: | |
2205 | break; /* never gets here */ | |
2206 | } | |
2207 | app_ent->app_id = idval; | |
2208 | app_ent->priority = up; | |
2209 | } | |
2210 | ||
2211 | static bool bnx2x_admin_app_is_equal( | |
2212 | struct bnx2x_admin_priority_app_table *app_ent, | |
2213 | u8 idtype, u16 idval) | |
2214 | { | |
2215 | if (!app_ent->valid) | |
2216 | return false; | |
2217 | ||
2218 | switch (idtype) { | |
2219 | case DCB_APP_IDTYPE_ETHTYPE: | |
2220 | if (app_ent->traffic_type != TRAFFIC_TYPE_ETH) | |
2221 | return false; | |
2222 | break; | |
2223 | case DCB_APP_IDTYPE_PORTNUM: | |
2224 | if (app_ent->traffic_type != TRAFFIC_TYPE_PORT) | |
2225 | return false; | |
2226 | break; | |
2227 | default: | |
2228 | return false; | |
2229 | } | |
2230 | if (app_ent->app_id != idval) | |
2231 | return false; | |
2232 | ||
2233 | return true; | |
2234 | } | |
2235 | ||
2236 | static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up) | |
2237 | { | |
2238 | int i, ff; | |
2239 | ||
2240 | /* iterate over the app entries looking for idtype and idval */ | |
2241 | for (i = 0, ff = -1; i < 4; i++) { | |
2242 | struct bnx2x_admin_priority_app_table *app_ent = | |
2243 | &bp->dcbx_config_params.admin_priority_app_table[i]; | |
2244 | if (bnx2x_admin_app_is_equal(app_ent, idtype, idval)) | |
2245 | break; | |
2246 | ||
2247 | if (ff < 0 && !app_ent->valid) | |
2248 | ff = i; | |
2249 | } | |
2250 | if (i < 4) | |
2251 | /* if found overwrite up */ | |
2252 | bp->dcbx_config_params. | |
2253 | admin_priority_app_table[i].priority = up; | |
2254 | else if (ff >= 0) | |
2255 | /* not found use first-free */ | |
2256 | bnx2x_admin_app_set_ent( | |
2257 | &bp->dcbx_config_params.admin_priority_app_table[ff], | |
2258 | idtype, idval, up); | |
2259 | else | |
2260 | /* app table is full */ | |
2261 | return -EBUSY; | |
2262 | ||
2263 | /* up configured, if not 0 make sure feature is enabled */ | |
2264 | if (up) | |
2265 | bp->dcbx_config_params.admin_application_priority_tx_enable = 1; | |
2266 | ||
2267 | return 0; | |
2268 | } | |
2269 | ||
2270 | static u8 bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype, | |
2271 | u16 idval, u8 up) | |
2272 | { | |
2273 | struct bnx2x *bp = netdev_priv(netdev); | |
2274 | ||
2275 | DP(NETIF_MSG_LINK, "app_type %d, app_id %x, prio bitmap %d\n", | |
2276 | idtype, idval, up); | |
2277 | ||
2278 | if (!bnx2x_dcbnl_set_valid(bp)) | |
2279 | return -EINVAL; | |
2280 | ||
2281 | /* verify idtype */ | |
2282 | switch (idtype) { | |
2283 | case DCB_APP_IDTYPE_ETHTYPE: | |
2284 | case DCB_APP_IDTYPE_PORTNUM: | |
2285 | break; | |
2286 | default: | |
2287 | return -EINVAL; | |
2288 | } | |
2289 | return bnx2x_set_admin_app_up(bp, idtype, idval, up); | |
2290 | } | |
2291 | ||
785b9b1a SR |
2292 | static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev) |
2293 | { | |
2294 | struct bnx2x *bp = netdev_priv(netdev); | |
2295 | u8 state; | |
2296 | ||
2297 | state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE; | |
2298 | ||
2299 | if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF) | |
2300 | state |= DCB_CAP_DCBX_STATIC; | |
2301 | ||
2302 | return state; | |
2303 | } | |
2304 | ||
2305 | static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state) | |
2306 | { | |
2307 | struct bnx2x *bp = netdev_priv(netdev); | |
2308 | DP(NETIF_MSG_LINK, "state = %02x\n", state); | |
2309 | ||
2310 | /* set dcbx mode */ | |
2311 | ||
2312 | if ((state & BNX2X_DCBX_CAPS) != state) { | |
2313 | BNX2X_ERR("Requested DCBX mode %x is beyond advertised " | |
2314 | "capabilities\n", state); | |
2315 | return 1; | |
2316 | } | |
2317 | ||
2318 | if (bp->dcb_state != BNX2X_DCB_STATE_ON) { | |
2319 | BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n"); | |
2320 | return 1; | |
2321 | } | |
2322 | ||
2323 | if (state & DCB_CAP_DCBX_STATIC) | |
2324 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF; | |
2325 | else | |
2326 | bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON; | |
2327 | ||
2328 | bp->dcbx_mode_uset = true; | |
2329 | return 0; | |
2330 | } | |
2331 | ||
785b9b1a SR |
2332 | static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, |
2333 | u8 *flags) | |
2334 | { | |
2335 | struct bnx2x *bp = netdev_priv(netdev); | |
2336 | u8 rval = 0; | |
2337 | ||
2338 | DP(NETIF_MSG_LINK, "featid %d\n", featid); | |
2339 | ||
2340 | if (bp->dcb_state) { | |
2341 | *flags = 0; | |
2342 | switch (featid) { | |
2343 | case DCB_FEATCFG_ATTR_PG: | |
2344 | if (bp->dcbx_local_feat.ets.enabled) | |
2345 | *flags |= DCB_FEATCFG_ENABLE; | |
2346 | if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR) | |
2347 | *flags |= DCB_FEATCFG_ERROR; | |
2348 | break; | |
2349 | case DCB_FEATCFG_ATTR_PFC: | |
2350 | if (bp->dcbx_local_feat.pfc.enabled) | |
2351 | *flags |= DCB_FEATCFG_ENABLE; | |
2352 | if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | | |
2353 | DCBX_LOCAL_PFC_MISMATCH)) | |
2354 | *flags |= DCB_FEATCFG_ERROR; | |
2355 | break; | |
2356 | case DCB_FEATCFG_ATTR_APP: | |
2357 | if (bp->dcbx_local_feat.app.enabled) | |
2358 | *flags |= DCB_FEATCFG_ENABLE; | |
2359 | if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | | |
2360 | DCBX_LOCAL_APP_MISMATCH)) | |
2361 | *flags |= DCB_FEATCFG_ERROR; | |
2362 | break; | |
2363 | default: | |
2364 | rval = -EINVAL; | |
2365 | break; | |
2366 | } | |
2367 | } else | |
2368 | rval = -EINVAL; | |
2369 | ||
2370 | return rval; | |
2371 | } | |
2372 | ||
2373 | static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, | |
2374 | u8 flags) | |
2375 | { | |
2376 | struct bnx2x *bp = netdev_priv(netdev); | |
2377 | u8 rval = 0; | |
2378 | ||
2379 | DP(NETIF_MSG_LINK, "featid = %d flags = %02x\n", featid, flags); | |
2380 | ||
2381 | /* ignore the 'advertise' flag */ | |
2382 | if (bnx2x_dcbnl_set_valid(bp)) { | |
2383 | switch (featid) { | |
2384 | case DCB_FEATCFG_ATTR_PG: | |
2385 | bp->dcbx_config_params.admin_ets_enable = | |
2386 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; | |
2387 | bp->dcbx_config_params.admin_ets_willing = | |
2388 | flags & DCB_FEATCFG_WILLING ? 1 : 0; | |
2389 | break; | |
2390 | case DCB_FEATCFG_ATTR_PFC: | |
2391 | bp->dcbx_config_params.admin_pfc_enable = | |
2392 | flags & DCB_FEATCFG_ENABLE ? 1 : 0; | |
2393 | bp->dcbx_config_params.admin_pfc_willing = | |
2394 | flags & DCB_FEATCFG_WILLING ? 1 : 0; | |
2395 | break; | |
2396 | case DCB_FEATCFG_ATTR_APP: | |
2397 | /* ignore enable, always enabled */ | |
2398 | bp->dcbx_config_params.admin_app_priority_willing = | |
2399 | flags & DCB_FEATCFG_WILLING ? 1 : 0; | |
2400 | break; | |
2401 | default: | |
2402 | rval = -EINVAL; | |
2403 | break; | |
2404 | } | |
2405 | } else | |
2406 | rval = -EINVAL; | |
2407 | ||
2408 | return rval; | |
2409 | } | |
2410 | ||
0be6bc62 SR |
2411 | static int bnx2x_peer_appinfo(struct net_device *netdev, |
2412 | struct dcb_peer_app_info *info, u16* app_count) | |
2413 | { | |
2414 | int i; | |
2415 | struct bnx2x *bp = netdev_priv(netdev); | |
2416 | ||
2417 | DP(NETIF_MSG_LINK, "APP-INFO\n"); | |
2418 | ||
2419 | info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0; | |
2420 | info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0; | |
2421 | *app_count = 0; | |
2422 | ||
2423 | for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) | |
2424 | if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield & | |
2425 | DCBX_APP_ENTRY_VALID) | |
2426 | (*app_count)++; | |
2427 | return 0; | |
2428 | } | |
2429 | ||
2430 | static int bnx2x_peer_apptable(struct net_device *netdev, | |
2431 | struct dcb_app *table) | |
2432 | { | |
2433 | int i, j; | |
2434 | struct bnx2x *bp = netdev_priv(netdev); | |
2435 | ||
2436 | DP(NETIF_MSG_LINK, "APP-TABLE\n"); | |
2437 | ||
2438 | for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | |
2439 | struct dcbx_app_priority_entry *ent = | |
2440 | &bp->dcbx_remote_feat.app.app_pri_tbl[i]; | |
2441 | ||
2442 | if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { | |
2443 | table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent); | |
2444 | table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent); | |
2445 | table[j++].protocol = ent->app_id; | |
2446 | } | |
2447 | } | |
2448 | return 0; | |
2449 | } | |
2450 | ||
2451 | static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg) | |
2452 | { | |
2453 | int i; | |
2454 | struct bnx2x *bp = netdev_priv(netdev); | |
2455 | ||
2456 | pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0; | |
2457 | ||
2458 | for (i = 0; i < CEE_DCBX_MAX_PGS; i++) { | |
2459 | pg->pg_bw[i] = | |
2460 | DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i); | |
2461 | pg->prio_pg[i] = | |
2462 | DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i); | |
2463 | } | |
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | static int bnx2x_cee_peer_getpfc(struct net_device *netdev, | |
2468 | struct cee_pfc *pfc) | |
2469 | { | |
2470 | struct bnx2x *bp = netdev_priv(netdev); | |
2471 | pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps; | |
2472 | pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap; | |
2473 | return 0; | |
2474 | } | |
2475 | ||
785b9b1a | 2476 | const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = { |
0be6bc62 SR |
2477 | .getstate = bnx2x_dcbnl_get_state, |
2478 | .setstate = bnx2x_dcbnl_set_state, | |
2479 | .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr, | |
2480 | .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx, | |
2481 | .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx, | |
2482 | .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx, | |
2483 | .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx, | |
2484 | .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx, | |
2485 | .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx, | |
2486 | .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx, | |
2487 | .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx, | |
2488 | .setpfccfg = bnx2x_dcbnl_set_pfc_cfg, | |
2489 | .getpfccfg = bnx2x_dcbnl_get_pfc_cfg, | |
2490 | .setall = bnx2x_dcbnl_set_all, | |
2491 | .getcap = bnx2x_dcbnl_get_cap, | |
2492 | .getnumtcs = bnx2x_dcbnl_get_numtcs, | |
2493 | .setnumtcs = bnx2x_dcbnl_set_numtcs, | |
2494 | .getpfcstate = bnx2x_dcbnl_get_pfc_state, | |
2495 | .setpfcstate = bnx2x_dcbnl_set_pfc_state, | |
2496 | .setapp = bnx2x_dcbnl_set_app_up, | |
2497 | .getdcbx = bnx2x_dcbnl_get_dcbx, | |
2498 | .setdcbx = bnx2x_dcbnl_set_dcbx, | |
2499 | .getfeatcfg = bnx2x_dcbnl_get_featcfg, | |
2500 | .setfeatcfg = bnx2x_dcbnl_set_featcfg, | |
2501 | .peer_getappinfo = bnx2x_peer_appinfo, | |
2502 | .peer_getapptable = bnx2x_peer_apptable, | |
2503 | .cee_peer_getpg = bnx2x_cee_peer_getpg, | |
2504 | .cee_peer_getpfc = bnx2x_cee_peer_getpfc, | |
785b9b1a SR |
2505 | }; |
2506 | ||
98507672 | 2507 | #endif /* BCM_DCBNL */ |