]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/net/ixgbe/ixgbe_dcb_nl.c
git://bbs.cooldavid.org / net-next-2.6.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ixgbe: if ixgbe_copy_dcb_cfg is going to fail learn about it early
[net-next-2.6.git] / drivers / net / ixgbe / ixgbe_dcb_nl.c
CommitLineData
2f90b865
AD		 1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
8c47eaa7 4 Copyright(c) 1999 - 2010 Intel Corporation.
2f90b865
AD		 5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29#include "ixgbe.h"
30#include <linux/dcbnl.h>
62551d3e
PWJ		 31#include "ixgbe_dcb_82598.h"
32#include "ixgbe_dcb_82599.h"
2f90b865
AD		 33
34/* Callbacks for DCB netlink in the kernel */
35#define BIT_DCB_MODE 0x01
36#define BIT_PFC 0x02
37#define BIT_PG_RX 0x04
38#define BIT_PG_TX 0x08
8de8b2e6 39#define BIT_APP_UPCHG 0x10
62551d3e 40#define BIT_RESETLINK 0x40
235ea828 41#define BIT_LINKSPEED 0x80
2f90b865 42
62551d3e
PWJ		 43/* Responses for the DCB_C_SET_ALL command */
44#define DCB_HW_CHG_RST 0 /* DCB configuration changed with reset */
45#define DCB_NO_HW_CHG 1 /* DCB configuration did not change */
46#define DCB_HW_CHG 2 /* DCB configuration changed, no reset */
47
2f90b865
AD		 48int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
49 struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max)
50{
51 struct tc_configuration *src_tc_cfg = NULL;
52 struct tc_configuration *dst_tc_cfg = NULL;
53 int i;
54
55 if (!src_dcb_cfg || !dst_dcb_cfg)
56 return -EINVAL;
57
58 for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
59 src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
60 dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
61
62 dst_tc_cfg->path[DCB_TX_CONFIG].prio_type =
63 src_tc_cfg->path[DCB_TX_CONFIG].prio_type;
64
65 dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id =
66 src_tc_cfg->path[DCB_TX_CONFIG].bwg_id;
67
68 dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent =
69 src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent;
70
71 dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap =
72 src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap;
73
74 dst_tc_cfg->path[DCB_RX_CONFIG].prio_type =
75 src_tc_cfg->path[DCB_RX_CONFIG].prio_type;
76
77 dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id =
78 src_tc_cfg->path[DCB_RX_CONFIG].bwg_id;
79
80 dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent =
81 src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent;
82
83 dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap =
84 src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap;
85 }
86
87 for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
88 dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG]
89 [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
90 [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
91 dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG]
92 [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
93 [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
94 }
95
96 for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
97 dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc =
98 src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
99 }
100
ea4af4f4
PW		 101 dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable;
102
2f90b865
AD		 103 return 0;
104}
105
106static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
107{
108 struct ixgbe_adapter *adapter = netdev_priv(netdev);
109
2f90b865
AD		 110 return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
111}
112
1486a61e 113static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
2f90b865 114{
1486a61e 115 u8 err = 0;
2f90b865
AD		 116 struct ixgbe_adapter *adapter = netdev_priv(netdev);
117
2f90b865
AD		 118 if (state > 0) {
119 /* Turn on DCB */
1486a61e
DS		 120 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
121 goto out;
2f90b865 122
1486a61e
DS		 123 if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
124 DPRINTK(DRV, ERR, "Enable failed, needs MSI-X\n");
125 err = 1;
126 goto out;
2f90b865 127 }
1486a61e
DS		 128
129 if (netif_running(netdev))
130 netdev->netdev_ops->ndo_stop(netdev);
7a921c93 131 ixgbe_clear_interrupt_scheme(adapter);
1486a61e 132
264857b8
PWJ		 133 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
134 adapter->last_lfc_mode = adapter->hw.fc.current_mode;
135 adapter->hw.fc.requested_mode = ixgbe_fc_none;
136 }
1486a61e 137 adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
8faa2a78
YZ		 138 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
139 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
140 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
141 }
1486a61e
DS		 142 adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
143 ixgbe_init_interrupt_scheme(adapter);
1486a61e
DS		 144 if (netif_running(netdev))
145 netdev->netdev_ops->ndo_open(netdev);
2f90b865
AD		 146 } else {
147 /* Turn off DCB */
148 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
149 if (netif_running(netdev))
1486a61e 150 netdev->netdev_ops->ndo_stop(netdev);
7a921c93 151 ixgbe_clear_interrupt_scheme(adapter);
2f90b865 152
264857b8
PWJ		 153 adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
154 adapter->temp_dcb_cfg.pfc_mode_enable = false;
155 adapter->dcb_cfg.pfc_mode_enable = false;
2f90b865
AD		 156 adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
157 adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
8faa2a78
YZ		 158 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
159 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
0d551589 160
2f90b865 161 ixgbe_init_interrupt_scheme(adapter);
2f90b865 162 if (netif_running(netdev))
1486a61e 163 netdev->netdev_ops->ndo_open(netdev);
2f90b865
AD		 164 }
165 }
1486a61e
DS		 166out:
167 return err;
2f90b865
AD		 168}
169
170static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
171 u8 *perm_addr)
172{
173 struct ixgbe_adapter *adapter = netdev_priv(netdev);
aca6bee7 174 int i, j;
2f90b865 175
86e713a0
LL		 176 memset(perm_addr, 0xff, MAX_ADDR_LEN);
177
2f90b865
AD		 178 for (i = 0; i < netdev->addr_len; i++)
179 perm_addr[i] = adapter->hw.mac.perm_addr[i];
aca6bee7
WJP		 180
181 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
182 for (j = 0; j < netdev->addr_len; j++, i++)
183 perm_addr[i] = adapter->hw.mac.san_addr[j];
184 }
2f90b865
AD		 185}
186
187static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
188 u8 prio, u8 bwg_id, u8 bw_pct,
189 u8 up_map)
190{
191 struct ixgbe_adapter *adapter = netdev_priv(netdev);
192
193 if (prio != DCB_ATTR_VALUE_UNDEFINED)
194 adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio;
195 if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
196 adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id;
197 if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
198 adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent =
199 bw_pct;
200 if (up_map != DCB_ATTR_VALUE_UNDEFINED)
201 adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
202 up_map;
203
204 if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type !=
205 adapter->dcb_cfg.tc_config[tc].path[0].prio_type) ||
206 (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id !=
207 adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) ||
208 (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent !=
209 adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) ||
210 (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
62551d3e 211 adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) {
2f90b865 212 adapter->dcb_set_bitmap |= BIT_PG_TX;
62551d3e
PWJ		 213 adapter->dcb_set_bitmap |= BIT_RESETLINK;
214 }
2f90b865
AD		 215}
216
217static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
218 u8 bw_pct)
219{
220 struct ixgbe_adapter *adapter = netdev_priv(netdev);
221
222 adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;
223
224 if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] !=
62551d3e 225 adapter->dcb_cfg.bw_percentage[0][bwg_id]) {
ebe1b30c 226 adapter->dcb_set_bitmap |= BIT_PG_TX;
62551d3e
PWJ		 227 adapter->dcb_set_bitmap |= BIT_RESETLINK;
228 }
2f90b865
AD		 229}
230
231static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
232 u8 prio, u8 bwg_id, u8 bw_pct,
233 u8 up_map)
234{
235 struct ixgbe_adapter *adapter = netdev_priv(netdev);
236
237 if (prio != DCB_ATTR_VALUE_UNDEFINED)
238 adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio;
239 if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
240 adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id;
241 if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
242 adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent =
243 bw_pct;
244 if (up_map != DCB_ATTR_VALUE_UNDEFINED)
245 adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
246 up_map;
247
248 if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type !=
249 adapter->dcb_cfg.tc_config[tc].path[1].prio_type) ||
250 (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id !=
251 adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) ||
252 (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent !=
253 adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) ||
254 (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
62551d3e 255 adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) {
2f90b865 256 adapter->dcb_set_bitmap |= BIT_PG_RX;
62551d3e
PWJ		 257 adapter->dcb_set_bitmap |= BIT_RESETLINK;
258 }
2f90b865
AD		 259}
260
261static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
262 u8 bw_pct)
263{
264 struct ixgbe_adapter *adapter = netdev_priv(netdev);
265
266 adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;
267
268 if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] !=
62551d3e 269 adapter->dcb_cfg.bw_percentage[1][bwg_id]) {
2f90b865 270 adapter->dcb_set_bitmap |= BIT_PG_RX;
62551d3e
PWJ		 271 adapter->dcb_set_bitmap |= BIT_RESETLINK;
272 }
2f90b865
AD		 273}
274
275static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
276 u8 *prio, u8 *bwg_id, u8 *bw_pct,
277 u8 *up_map)
278{
279 struct ixgbe_adapter *adapter = netdev_priv(netdev);
280
281 *prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type;
282 *bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id;
283 *bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent;
284 *up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap;
285}
286
287static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
288 u8 *bw_pct)
289{
290 struct ixgbe_adapter *adapter = netdev_priv(netdev);
291
292 *bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id];
293}
294
295static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc,
296 u8 *prio, u8 *bwg_id, u8 *bw_pct,
297 u8 *up_map)
298{
299 struct ixgbe_adapter *adapter = netdev_priv(netdev);
300
301 *prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type;
302 *bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id;
303 *bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent;
304 *up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap;
305}
306
307static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
308 u8 *bw_pct)
309{
310 struct ixgbe_adapter *adapter = netdev_priv(netdev);
311
312 *bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id];
313}
314
315static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
316 u8 setting)
317{
318 struct ixgbe_adapter *adapter = netdev_priv(netdev);
319
320 adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
321 if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
ea4af4f4 322 adapter->dcb_cfg.tc_config[priority].dcb_pfc) {
2f90b865 323 adapter->dcb_set_bitmap |= BIT_PFC;
ea4af4f4
PW		 324 adapter->temp_dcb_cfg.pfc_mode_enable = true;
325 }
2f90b865
AD		 326}
327
328static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
329 u8 *setting)
330{
331 struct ixgbe_adapter *adapter = netdev_priv(netdev);
332
333 *setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc;
334}
335
336static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
337{
338 struct ixgbe_adapter *adapter = netdev_priv(netdev);
339 int ret;
340
341 if (!adapter->dcb_set_bitmap)
62551d3e 342 return DCB_NO_HW_CHG;
2f90b865 343
3ce1cc52
JF		 344 ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
345 adapter->ring_feature[RING_F_DCB].indices);
346
347 if (ret)
348 return DCB_NO_HW_CHG;
349
62551d3e
PWJ		 350 /*
351 * Only take down the adapter if the configuration change
352 * requires a reset.
353 */
354 if (adapter->dcb_set_bitmap & BIT_RESETLINK) {
355 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
356 msleep(1);
2f90b865 357
8de8b2e6
YZ		 358 if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) {
359 if (netif_running(netdev))
360 netdev->netdev_ops->ndo_stop(netdev);
361 ixgbe_clear_interrupt_scheme(adapter);
362 } else {
363 if (netif_running(netdev))
364 ixgbe_down(adapter);
365 }
62551d3e 366 }
2f90b865 367
264857b8
PWJ		 368 if (adapter->dcb_cfg.pfc_mode_enable) {
369 if ((adapter->hw.mac.type != ixgbe_mac_82598EB) &&
370 (adapter->hw.fc.current_mode != ixgbe_fc_pfc))
371 adapter->last_lfc_mode = adapter->hw.fc.current_mode;
372 adapter->hw.fc.requested_mode = ixgbe_fc_pfc;
373 } else {
374 if (adapter->hw.mac.type != ixgbe_mac_82598EB)
375 adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
376 else
377 adapter->hw.fc.requested_mode = ixgbe_fc_none;
378 }
379
62551d3e 380 if (adapter->dcb_set_bitmap & BIT_RESETLINK) {
8de8b2e6
YZ		 381 if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) {
382 ixgbe_init_interrupt_scheme(adapter);
383 if (netif_running(netdev))
384 netdev->netdev_ops->ndo_open(netdev);
385 } else {
386 if (netif_running(netdev))
387 ixgbe_up(adapter);
388 }
62551d3e
PWJ		 389 ret = DCB_HW_CHG_RST;
390 } else if (adapter->dcb_set_bitmap & BIT_PFC) {
391 if (adapter->hw.mac.type == ixgbe_mac_82598EB)
392 ixgbe_dcb_config_pfc_82598(&adapter->hw,
393 &adapter->dcb_cfg);
394 else if (adapter->hw.mac.type == ixgbe_mac_82599EB)
395 ixgbe_dcb_config_pfc_82599(&adapter->hw,
396 &adapter->dcb_cfg);
397 ret = DCB_HW_CHG;
398 }
264857b8
PWJ		 399 if (adapter->dcb_cfg.pfc_mode_enable)
400 adapter->hw.fc.current_mode = ixgbe_fc_pfc;
401
62551d3e
PWJ		 402 if (adapter->dcb_set_bitmap & BIT_RESETLINK)
403 clear_bit(__IXGBE_RESETTING, &adapter->state);
2f90b865 404 adapter->dcb_set_bitmap = 0x00;
2f90b865
AD		 405 return ret;
406}
407
46132188
AD		 408static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap)
409{
410 struct ixgbe_adapter *adapter = netdev_priv(netdev);
411 u8 rval = 0;
412
413 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
414 switch (capid) {
415 case DCB_CAP_ATTR_PG:
416 *cap = true;
417 break;
418 case DCB_CAP_ATTR_PFC:
419 *cap = true;
420 break;
421 case DCB_CAP_ATTR_UP2TC:
422 *cap = false;
423 break;
424 case DCB_CAP_ATTR_PG_TCS:
425 *cap = 0x80;
426 break;
427 case DCB_CAP_ATTR_PFC_TCS:
428 *cap = 0x80;
429 break;
430 case DCB_CAP_ATTR_GSP:
431 *cap = true;
432 break;
433 case DCB_CAP_ATTR_BCN:
434 *cap = false;
435 break;
436 default:
437 rval = -EINVAL;
438 break;
439 }
440 } else {
441 rval = -EINVAL;
442 }
443
444 return rval;
445}
446
33dbabc4
AD		 447static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num)
448{
449 struct ixgbe_adapter *adapter = netdev_priv(netdev);
450 u8 rval = 0;
451
452 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
453 switch (tcid) {
454 case DCB_NUMTCS_ATTR_PG:
455 *num = MAX_TRAFFIC_CLASS;
456 break;
457 case DCB_NUMTCS_ATTR_PFC:
458 *num = MAX_TRAFFIC_CLASS;
459 break;
460 default:
461 rval = -EINVAL;
462 break;
463 }
464 } else {
465 rval = -EINVAL;
466 }
467
468 return rval;
469}
470
471static u8 ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num)
472{
473 return -EINVAL;
474}
475
0eb3aa9b
AD		 476static u8 ixgbe_dcbnl_getpfcstate(struct net_device *netdev)
477{
478 struct ixgbe_adapter *adapter = netdev_priv(netdev);
479
264857b8 480 return adapter->dcb_cfg.pfc_mode_enable;
0eb3aa9b
AD		 481}
482
483static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
484{
264857b8
PWJ		 485 struct ixgbe_adapter *adapter = netdev_priv(netdev);
486
487 adapter->temp_dcb_cfg.pfc_mode_enable = state;
488 if (adapter->temp_dcb_cfg.pfc_mode_enable !=
489 adapter->dcb_cfg.pfc_mode_enable)
490 adapter->dcb_set_bitmap |= BIT_PFC;
0eb3aa9b
AD		 491 return;
492}
493
6ee16520
YZ		 494/**
495 * ixgbe_dcbnl_getapp - retrieve the DCBX application user priority
496 * @netdev : the corresponding netdev
497 * @idtype : identifies the id as ether type or TCP/UDP port number
498 * @id: id is either ether type or TCP/UDP port number
499 *
500 * Returns : on success, returns a non-zero 802.1p user priority bitmap
501 * otherwise returns 0 as the invalid user priority bitmap to indicate an
502 * error.
503 */
504static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id)
505{
506 u8 rval = 0;
507
508 switch (idtype) {
509 case DCB_APP_IDTYPE_ETHTYPE:
510#ifdef IXGBE_FCOE
511 if (id == ETH_P_FCOE)
512 rval = ixgbe_fcoe_getapp(netdev_priv(netdev));
513#endif
514 break;
515 case DCB_APP_IDTYPE_PORTNUM:
516 break;
517 default:
518 break;
519 }
520 return rval;
521}
522
523/**
524 * ixgbe_dcbnl_setapp - set the DCBX application user priority
525 * @netdev : the corresponding netdev
526 * @idtype : identifies the id as ether type or TCP/UDP port number
527 * @id: id is either ether type or TCP/UDP port number
528 * @up: the 802.1p user priority bitmap
529 *
530 * Returns : 0 on success or 1 on error
531 */
532static u8 ixgbe_dcbnl_setapp(struct net_device *netdev,
533 u8 idtype, u16 id, u8 up)
534{
535 u8 rval = 1;
536
537 switch (idtype) {
538 case DCB_APP_IDTYPE_ETHTYPE:
539#ifdef IXGBE_FCOE
8de8b2e6
YZ		 540 if (id == ETH_P_FCOE) {
541 u8 tc;
542 struct ixgbe_adapter *adapter;
543
544 adapter = netdev_priv(netdev);
545 tc = adapter->fcoe.tc;
546 rval = ixgbe_fcoe_setapp(adapter, up);
547 if ((!rval) && (tc != adapter->fcoe.tc) &&
548 (adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
549 (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) {
550 adapter->dcb_set_bitmap |= BIT_APP_UPCHG;
551 adapter->dcb_set_bitmap |= BIT_RESETLINK;
552 }
553 }
6ee16520
YZ		 554#endif
555 break;
556 case DCB_APP_IDTYPE_PORTNUM:
557 break;
558 default:
559 break;
560 }
561 return rval;
562}
563
32953543 564const struct dcbnl_rtnl_ops dcbnl_ops = {
2f90b865
AD		 565 .getstate = ixgbe_dcbnl_get_state,
566 .setstate = ixgbe_dcbnl_set_state,
567 .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr,
568 .setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx,
569 .setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx,
570 .setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx,
571 .setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx,
572 .getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx,
573 .getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx,
574 .getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx,
575 .getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx,
576 .setpfccfg = ixgbe_dcbnl_set_pfc_cfg,
577 .getpfccfg = ixgbe_dcbnl_get_pfc_cfg,
46132188 578 .setall = ixgbe_dcbnl_set_all,
33dbabc4
AD		 579 .getcap = ixgbe_dcbnl_getcap,
580 .getnumtcs = ixgbe_dcbnl_getnumtcs,
0eb3aa9b
AD		 581 .setnumtcs = ixgbe_dcbnl_setnumtcs,
582 .getpfcstate = ixgbe_dcbnl_getpfcstate,
859ee3c4 583 .setpfcstate = ixgbe_dcbnl_setpfcstate,
6ee16520
YZ		 584 .getapp = ixgbe_dcbnl_getapp,
585 .setapp = ixgbe_dcbnl_setapp,
2f90b865
AD		 586};
587
Clone of davem's net-next-2.6 tree