1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2013 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
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
27 *******************************************************************************/
30 #include <linux/dcbnl.h>
31 #include "ixgbe_dcb_82598.h"
32 #include "ixgbe_dcb_82599.h"
33 #include "ixgbe_sriov.h"
35 /* Callbacks for DCB netlink in the kernel */
36 #define BIT_DCB_MODE 0x01
38 #define BIT_PG_RX 0x04
39 #define BIT_PG_TX 0x08
40 #define BIT_APP_UPCHG 0x10
41 #define BIT_LINKSPEED 0x80
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 */
48 static int ixgbe_copy_dcb_cfg(struct ixgbe_adapter *adapter, int tc_max)
50 struct ixgbe_dcb_config *scfg = &adapter->temp_dcb_cfg;
51 struct ixgbe_dcb_config *dcfg = &adapter->dcb_cfg;
52 struct tc_configuration *src = NULL;
53 struct tc_configuration *dst = NULL;
55 int tx = DCB_TX_CONFIG;
56 int rx = DCB_RX_CONFIG;
59 struct dcb_app app = {
60 .selector = DCB_APP_IDTYPE_ETHTYPE,
61 .protocol = ETH_P_FCOE,
63 u8 up = dcb_getapp(adapter->netdev, &app);
65 if (up && !(up & (1 << adapter->fcoe.up)))
66 changes |= BIT_APP_UPCHG;
69 for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
70 src = &scfg->tc_config[i - DCB_PG_ATTR_TC_0];
71 dst = &dcfg->tc_config[i - DCB_PG_ATTR_TC_0];
73 if (dst->path[tx].prio_type != src->path[tx].prio_type) {
74 dst->path[tx].prio_type = src->path[tx].prio_type;
78 if (dst->path[tx].bwg_id != src->path[tx].bwg_id) {
79 dst->path[tx].bwg_id = src->path[tx].bwg_id;
83 if (dst->path[tx].bwg_percent != src->path[tx].bwg_percent) {
84 dst->path[tx].bwg_percent = src->path[tx].bwg_percent;
88 if (dst->path[tx].up_to_tc_bitmap !=
89 src->path[tx].up_to_tc_bitmap) {
90 dst->path[tx].up_to_tc_bitmap =
91 src->path[tx].up_to_tc_bitmap;
92 changes |= (BIT_PG_TX | BIT_PFC | BIT_APP_UPCHG);
95 if (dst->path[rx].prio_type != src->path[rx].prio_type) {
96 dst->path[rx].prio_type = src->path[rx].prio_type;
100 if (dst->path[rx].bwg_id != src->path[rx].bwg_id) {
101 dst->path[rx].bwg_id = src->path[rx].bwg_id;
102 changes |= BIT_PG_RX;
105 if (dst->path[rx].bwg_percent != src->path[rx].bwg_percent) {
106 dst->path[rx].bwg_percent = src->path[rx].bwg_percent;
107 changes |= BIT_PG_RX;
110 if (dst->path[rx].up_to_tc_bitmap !=
111 src->path[rx].up_to_tc_bitmap) {
112 dst->path[rx].up_to_tc_bitmap =
113 src->path[rx].up_to_tc_bitmap;
114 changes |= (BIT_PG_RX | BIT_PFC | BIT_APP_UPCHG);
118 for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
119 j = i - DCB_PG_ATTR_BW_ID_0;
120 if (dcfg->bw_percentage[tx][j] != scfg->bw_percentage[tx][j]) {
121 dcfg->bw_percentage[tx][j] = scfg->bw_percentage[tx][j];
122 changes |= BIT_PG_TX;
124 if (dcfg->bw_percentage[rx][j] != scfg->bw_percentage[rx][j]) {
125 dcfg->bw_percentage[rx][j] = scfg->bw_percentage[rx][j];
126 changes |= BIT_PG_RX;
130 for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
131 j = i - DCB_PFC_UP_ATTR_0;
132 if (dcfg->tc_config[j].dcb_pfc != scfg->tc_config[j].dcb_pfc) {
133 dcfg->tc_config[j].dcb_pfc = scfg->tc_config[j].dcb_pfc;
138 if (dcfg->pfc_mode_enable != scfg->pfc_mode_enable) {
139 dcfg->pfc_mode_enable = scfg->pfc_mode_enable;
146 static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
148 struct ixgbe_adapter *adapter = netdev_priv(netdev);
150 return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
153 static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
155 struct ixgbe_adapter *adapter = netdev_priv(netdev);
158 /* Fail command if not in CEE mode */
159 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
162 /* verify there is something to do, if not then exit */
163 if (!state == !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
166 err = ixgbe_setup_tc(netdev,
167 state ? adapter->dcb_cfg.num_tcs.pg_tcs : 0);
172 static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
175 struct ixgbe_adapter *adapter = netdev_priv(netdev);
178 memset(perm_addr, 0xff, MAX_ADDR_LEN);
180 for (i = 0; i < netdev->addr_len; i++)
181 perm_addr[i] = adapter->hw.mac.perm_addr[i];
183 switch (adapter->hw.mac.type) {
184 case ixgbe_mac_82599EB:
186 for (j = 0; j < netdev->addr_len; j++, i++)
187 perm_addr[i] = adapter->hw.mac.san_addr[j];
194 static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
195 u8 prio, u8 bwg_id, u8 bw_pct,
198 struct ixgbe_adapter *adapter = netdev_priv(netdev);
200 if (prio != DCB_ATTR_VALUE_UNDEFINED)
201 adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio;
202 if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
203 adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id;
204 if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
205 adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent =
207 if (up_map != DCB_ATTR_VALUE_UNDEFINED)
208 adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
212 static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
215 struct ixgbe_adapter *adapter = netdev_priv(netdev);
217 adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;
220 static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
221 u8 prio, u8 bwg_id, u8 bw_pct,
224 struct ixgbe_adapter *adapter = netdev_priv(netdev);
226 if (prio != DCB_ATTR_VALUE_UNDEFINED)
227 adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio;
228 if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
229 adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id;
230 if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
231 adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent =
233 if (up_map != DCB_ATTR_VALUE_UNDEFINED)
234 adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
238 static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
241 struct ixgbe_adapter *adapter = netdev_priv(netdev);
243 adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;
246 static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
247 u8 *prio, u8 *bwg_id, u8 *bw_pct,
250 struct ixgbe_adapter *adapter = netdev_priv(netdev);
252 *prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type;
253 *bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id;
254 *bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent;
255 *up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap;
258 static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
261 struct ixgbe_adapter *adapter = netdev_priv(netdev);
263 *bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id];
266 static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc,
267 u8 *prio, u8 *bwg_id, u8 *bw_pct,
270 struct ixgbe_adapter *adapter = netdev_priv(netdev);
272 *prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type;
273 *bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id;
274 *bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent;
275 *up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap;
278 static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
281 struct ixgbe_adapter *adapter = netdev_priv(netdev);
283 *bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id];
286 static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
289 struct ixgbe_adapter *adapter = netdev_priv(netdev);
291 adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
292 if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
293 adapter->dcb_cfg.tc_config[priority].dcb_pfc)
294 adapter->temp_dcb_cfg.pfc_mode_enable = true;
297 static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
300 struct ixgbe_adapter *adapter = netdev_priv(netdev);
302 *setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc;
305 static void ixgbe_dcbnl_devreset(struct net_device *dev)
307 struct ixgbe_adapter *adapter = netdev_priv(dev);
309 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
310 usleep_range(1000, 2000);
312 if (netif_running(dev))
313 dev->netdev_ops->ndo_stop(dev);
315 ixgbe_clear_interrupt_scheme(adapter);
316 ixgbe_init_interrupt_scheme(adapter);
318 if (netif_running(dev))
319 dev->netdev_ops->ndo_open(dev);
321 clear_bit(__IXGBE_RESETTING, &adapter->state);
324 static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
326 struct ixgbe_adapter *adapter = netdev_priv(netdev);
327 struct ixgbe_dcb_config *dcb_cfg = &adapter->dcb_cfg;
328 struct ixgbe_hw *hw = &adapter->hw;
329 int ret = DCB_NO_HW_CHG;
332 /* Fail command if not in CEE mode */
333 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
336 adapter->dcb_set_bitmap |= ixgbe_copy_dcb_cfg(adapter,
338 if (!adapter->dcb_set_bitmap)
341 if (adapter->dcb_set_bitmap & (BIT_PG_TX|BIT_PG_RX)) {
342 u16 refill[MAX_TRAFFIC_CLASS], max[MAX_TRAFFIC_CLASS];
343 u8 bwg_id[MAX_TRAFFIC_CLASS], prio_type[MAX_TRAFFIC_CLASS];
344 /* Priority to TC mapping in CEE case default to 1:1 */
345 u8 prio_tc[MAX_USER_PRIORITY];
346 int max_frame = adapter->netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
349 if (adapter->netdev->features & NETIF_F_FCOE_MTU)
350 max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
353 ixgbe_dcb_calculate_tc_credits(hw, dcb_cfg, max_frame,
355 ixgbe_dcb_calculate_tc_credits(hw, dcb_cfg, max_frame,
358 ixgbe_dcb_unpack_refill(dcb_cfg, DCB_TX_CONFIG, refill);
359 ixgbe_dcb_unpack_max(dcb_cfg, max);
360 ixgbe_dcb_unpack_bwgid(dcb_cfg, DCB_TX_CONFIG, bwg_id);
361 ixgbe_dcb_unpack_prio(dcb_cfg, DCB_TX_CONFIG, prio_type);
362 ixgbe_dcb_unpack_map(dcb_cfg, DCB_TX_CONFIG, prio_tc);
364 ixgbe_dcb_hw_ets_config(hw, refill, max, bwg_id,
367 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
368 netdev_set_prio_tc_map(netdev, i, prio_tc[i]);
370 ret = DCB_HW_CHG_RST;
373 if (adapter->dcb_set_bitmap & BIT_PFC) {
374 if (dcb_cfg->pfc_mode_enable) {
376 u8 prio_tc[MAX_USER_PRIORITY];
378 ixgbe_dcb_unpack_map(dcb_cfg, DCB_TX_CONFIG, prio_tc);
379 ixgbe_dcb_unpack_pfc(dcb_cfg, &pfc_en);
380 ixgbe_dcb_hw_pfc_config(hw, pfc_en, prio_tc);
382 hw->mac.ops.fc_enable(hw);
385 ixgbe_set_rx_drop_en(adapter);
391 /* Reprogam FCoE hardware offloads when the traffic class
392 * FCoE is using changes. This happens if the APP info
393 * changes or the up2tc mapping is updated.
395 if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) {
396 struct dcb_app app = {
397 .selector = DCB_APP_IDTYPE_ETHTYPE,
398 .protocol = ETH_P_FCOE,
400 u8 up = dcb_getapp(netdev, &app);
402 adapter->fcoe.up = ffs(up) - 1;
403 ixgbe_dcbnl_devreset(netdev);
404 ret = DCB_HW_CHG_RST;
408 adapter->dcb_set_bitmap = 0x00;
412 static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap)
414 struct ixgbe_adapter *adapter = netdev_priv(netdev);
417 case DCB_CAP_ATTR_PG:
420 case DCB_CAP_ATTR_PFC:
423 case DCB_CAP_ATTR_UP2TC:
426 case DCB_CAP_ATTR_PG_TCS:
429 case DCB_CAP_ATTR_PFC_TCS:
432 case DCB_CAP_ATTR_GSP:
435 case DCB_CAP_ATTR_BCN:
438 case DCB_CAP_ATTR_DCBX:
439 *cap = adapter->dcbx_cap;
449 static int ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num)
451 struct ixgbe_adapter *adapter = netdev_priv(netdev);
453 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
455 case DCB_NUMTCS_ATTR_PG:
456 *num = adapter->dcb_cfg.num_tcs.pg_tcs;
458 case DCB_NUMTCS_ATTR_PFC:
459 *num = adapter->dcb_cfg.num_tcs.pfc_tcs;
472 static int ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num)
477 static u8 ixgbe_dcbnl_getpfcstate(struct net_device *netdev)
479 struct ixgbe_adapter *adapter = netdev_priv(netdev);
481 return adapter->dcb_cfg.pfc_mode_enable;
484 static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
486 struct ixgbe_adapter *adapter = netdev_priv(netdev);
488 adapter->temp_dcb_cfg.pfc_mode_enable = state;
492 * ixgbe_dcbnl_getapp - retrieve the DCBX application user priority
493 * @netdev : the corresponding netdev
494 * @idtype : identifies the id as ether type or TCP/UDP port number
495 * @id: id is either ether type or TCP/UDP port number
497 * Returns : on success, returns a non-zero 802.1p user priority bitmap
498 * otherwise returns 0 as the invalid user priority bitmap to indicate an
501 static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id)
503 struct ixgbe_adapter *adapter = netdev_priv(netdev);
504 struct dcb_app app = {
509 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
512 return dcb_getapp(netdev, &app);
515 static int ixgbe_dcbnl_ieee_getets(struct net_device *dev,
516 struct ieee_ets *ets)
518 struct ixgbe_adapter *adapter = netdev_priv(dev);
519 struct ieee_ets *my_ets = adapter->ixgbe_ieee_ets;
521 ets->ets_cap = adapter->dcb_cfg.num_tcs.pg_tcs;
523 /* No IEEE PFC settings available */
527 ets->cbs = my_ets->cbs;
528 memcpy(ets->tc_tx_bw, my_ets->tc_tx_bw, sizeof(ets->tc_tx_bw));
529 memcpy(ets->tc_rx_bw, my_ets->tc_rx_bw, sizeof(ets->tc_rx_bw));
530 memcpy(ets->tc_tsa, my_ets->tc_tsa, sizeof(ets->tc_tsa));
531 memcpy(ets->prio_tc, my_ets->prio_tc, sizeof(ets->prio_tc));
535 static int ixgbe_dcbnl_ieee_setets(struct net_device *dev,
536 struct ieee_ets *ets)
538 struct ixgbe_adapter *adapter = netdev_priv(dev);
539 int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN;
544 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
547 if (!adapter->ixgbe_ieee_ets) {
548 adapter->ixgbe_ieee_ets = kmalloc(sizeof(struct ieee_ets),
550 if (!adapter->ixgbe_ieee_ets)
553 /* initialize UP2TC mappings to invalid value */
554 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
555 adapter->ixgbe_ieee_ets->prio_tc[i] =
556 IEEE_8021QAZ_MAX_TCS;
559 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
560 if (ets->prio_tc[i] > max_tc)
561 max_tc = ets->prio_tc[i];
562 if (ets->prio_tc[i] != adapter->ixgbe_ieee_ets->prio_tc[i])
566 memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets));
571 if (max_tc > adapter->dcb_cfg.num_tcs.pg_tcs)
574 if (max_tc != netdev_get_num_tc(dev))
575 err = ixgbe_setup_tc(dev, max_tc);
577 ixgbe_dcbnl_devreset(dev);
582 err = ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame);
587 static int ixgbe_dcbnl_ieee_getpfc(struct net_device *dev,
588 struct ieee_pfc *pfc)
590 struct ixgbe_adapter *adapter = netdev_priv(dev);
591 struct ieee_pfc *my_pfc = adapter->ixgbe_ieee_pfc;
594 pfc->pfc_cap = adapter->dcb_cfg.num_tcs.pfc_tcs;
596 /* No IEEE PFC settings available */
600 pfc->pfc_en = my_pfc->pfc_en;
601 pfc->mbc = my_pfc->mbc;
602 pfc->delay = my_pfc->delay;
604 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
605 pfc->requests[i] = adapter->stats.pxoffrxc[i];
606 pfc->indications[i] = adapter->stats.pxofftxc[i];
612 static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev,
613 struct ieee_pfc *pfc)
615 struct ixgbe_adapter *adapter = netdev_priv(dev);
616 struct ixgbe_hw *hw = &adapter->hw;
620 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
623 if (!adapter->ixgbe_ieee_pfc) {
624 adapter->ixgbe_ieee_pfc = kmalloc(sizeof(struct ieee_pfc),
626 if (!adapter->ixgbe_ieee_pfc)
630 prio_tc = adapter->ixgbe_ieee_ets->prio_tc;
631 memcpy(adapter->ixgbe_ieee_pfc, pfc, sizeof(*adapter->ixgbe_ieee_pfc));
633 /* Enable link flow control parameters if PFC is disabled */
635 err = ixgbe_dcb_hw_pfc_config(hw, pfc->pfc_en, prio_tc);
637 err = hw->mac.ops.fc_enable(hw);
639 ixgbe_set_rx_drop_en(adapter);
644 static int ixgbe_dcbnl_ieee_setapp(struct net_device *dev,
647 struct ixgbe_adapter *adapter = netdev_priv(dev);
650 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
653 err = dcb_ieee_setapp(dev, app);
658 if (app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
659 app->protocol == ETH_P_FCOE) {
660 u8 app_mask = dcb_ieee_getapp_mask(dev, app);
662 if (app_mask & (1 << adapter->fcoe.up))
665 adapter->fcoe.up = app->priority;
666 ixgbe_dcbnl_devreset(dev);
670 /* VF devices should use default UP when available */
671 if (app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
672 app->protocol == 0) {
675 adapter->default_up = app->priority;
677 for (vf = 0; vf < adapter->num_vfs; vf++) {
678 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
681 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
689 static int ixgbe_dcbnl_ieee_delapp(struct net_device *dev,
692 struct ixgbe_adapter *adapter = netdev_priv(dev);
695 if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
698 err = dcb_ieee_delapp(dev, app);
701 if (!err && app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
702 app->protocol == ETH_P_FCOE) {
703 u8 app_mask = dcb_ieee_getapp_mask(dev, app);
705 if (app_mask & (1 << adapter->fcoe.up))
708 adapter->fcoe.up = app_mask ?
709 ffs(app_mask) - 1 : IXGBE_FCOE_DEFTC;
710 ixgbe_dcbnl_devreset(dev);
713 /* IF default priority is being removed clear VF default UP */
714 if (app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
715 app->protocol == 0 && adapter->default_up == app->priority) {
717 long unsigned int app_mask = dcb_ieee_getapp_mask(dev, app);
718 int qos = app_mask ? find_first_bit(&app_mask, 8) : 0;
720 adapter->default_up = qos;
722 for (vf = 0; vf < adapter->num_vfs; vf++) {
723 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
726 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
734 static u8 ixgbe_dcbnl_getdcbx(struct net_device *dev)
736 struct ixgbe_adapter *adapter = netdev_priv(dev);
737 return adapter->dcbx_cap;
740 static u8 ixgbe_dcbnl_setdcbx(struct net_device *dev, u8 mode)
742 struct ixgbe_adapter *adapter = netdev_priv(dev);
743 struct ieee_ets ets = {0};
744 struct ieee_pfc pfc = {0};
747 /* no support for LLD_MANAGED modes or CEE+IEEE */
748 if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
749 ((mode & DCB_CAP_DCBX_VER_IEEE) && (mode & DCB_CAP_DCBX_VER_CEE)) ||
750 !(mode & DCB_CAP_DCBX_HOST))
753 if (mode == adapter->dcbx_cap)
756 adapter->dcbx_cap = mode;
758 /* ETS and PFC defaults */
762 if (mode & DCB_CAP_DCBX_VER_IEEE) {
763 ixgbe_dcbnl_ieee_setets(dev, &ets);
764 ixgbe_dcbnl_ieee_setpfc(dev, &pfc);
765 } else if (mode & DCB_CAP_DCBX_VER_CEE) {
766 u8 mask = BIT_PFC | BIT_PG_TX | BIT_PG_RX | BIT_APP_UPCHG;
768 adapter->dcb_set_bitmap |= mask;
769 ixgbe_dcbnl_set_all(dev);
771 /* Drop into single TC mode strict priority as this
772 * indicates CEE and IEEE versions are disabled
774 ixgbe_dcbnl_ieee_setets(dev, &ets);
775 ixgbe_dcbnl_ieee_setpfc(dev, &pfc);
776 err = ixgbe_setup_tc(dev, 0);
782 const struct dcbnl_rtnl_ops dcbnl_ops = {
783 .ieee_getets = ixgbe_dcbnl_ieee_getets,
784 .ieee_setets = ixgbe_dcbnl_ieee_setets,
785 .ieee_getpfc = ixgbe_dcbnl_ieee_getpfc,
786 .ieee_setpfc = ixgbe_dcbnl_ieee_setpfc,
787 .ieee_setapp = ixgbe_dcbnl_ieee_setapp,
788 .ieee_delapp = ixgbe_dcbnl_ieee_delapp,
789 .getstate = ixgbe_dcbnl_get_state,
790 .setstate = ixgbe_dcbnl_set_state,
791 .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr,
792 .setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx,
793 .setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx,
794 .setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx,
795 .setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx,
796 .getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx,
797 .getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx,
798 .getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx,
799 .getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx,
800 .setpfccfg = ixgbe_dcbnl_set_pfc_cfg,
801 .getpfccfg = ixgbe_dcbnl_get_pfc_cfg,
802 .setall = ixgbe_dcbnl_set_all,
803 .getcap = ixgbe_dcbnl_getcap,
804 .getnumtcs = ixgbe_dcbnl_getnumtcs,
805 .setnumtcs = ixgbe_dcbnl_setnumtcs,
806 .getpfcstate = ixgbe_dcbnl_getpfcstate,
807 .setpfcstate = ixgbe_dcbnl_setpfcstate,
808 .getapp = ixgbe_dcbnl_getapp,
809 .getdcbx = ixgbe_dcbnl_getdcbx,
810 .setdcbx = ixgbe_dcbnl_setdcbx,