2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/types.h>
11 #define QLC_DCB_NUM_PARAM 3
12 #define QLC_DCB_LOCAL_IDX 0
13 #define QLC_DCB_OPER_IDX 1
14 #define QLC_DCB_PEER_IDX 2
16 #define QLC_DCB_GET_MAP(V) (1 << V)
18 #define QLC_DCB_AEN_BIT 0x2
19 #define QLC_DCB_FW_VER 0x2
20 #define QLC_DCB_MAX_TC 0x8
21 #define QLC_DCB_MAX_APP 0x8
22 #define QLC_DCB_MAX_PRIO QLC_DCB_MAX_TC
23 #define QLC_DCB_MAX_PG QLC_DCB_MAX_TC
25 #define QLC_DCB_TSA_SUPPORT(V) (V & 0x1)
26 #define QLC_DCB_ETS_SUPPORT(V) ((V >> 1) & 0x1)
27 #define QLC_DCB_VERSION_SUPPORT(V) ((V >> 2) & 0xf)
28 #define QLC_DCB_MAX_NUM_TC(V) ((V >> 20) & 0xf)
29 #define QLC_DCB_MAX_NUM_ETS_TC(V) ((V >> 24) & 0xf)
30 #define QLC_DCB_MAX_NUM_PFC_TC(V) ((V >> 28) & 0xf)
31 #define QLC_DCB_GET_TC_PRIO(X, P) ((X >> (P * 3)) & 0x7)
32 #define QLC_DCB_GET_PGID_PRIO(X, P) ((X >> (P * 8)) & 0xff)
33 #define QLC_DCB_GET_BWPER_PG(X, P) ((X >> (P * 8)) & 0xff)
34 #define QLC_DCB_GET_TSA_PG(X, P) ((X >> (P * 8)) & 0xff)
35 #define QLC_DCB_GET_PFC_PRIO(X, P) (((X >> 24) >> P) & 0x1)
36 #define QLC_DCB_GET_PROTO_ID_APP(X) ((X >> 8) & 0xffff)
37 #define QLC_DCB_GET_SELECTOR_APP(X) (X & 0xff)
39 #define QLC_DCB_LOCAL_PARAM_FWID 0x3
40 #define QLC_DCB_OPER_PARAM_FWID 0x1
41 #define QLC_DCB_PEER_PARAM_FWID 0x2
43 #define QLC_83XX_DCB_GET_NUMAPP(X) ((X >> 2) & 0xf)
44 #define QLC_83XX_DCB_TSA_VALID(X) (X & 0x1)
45 #define QLC_83XX_DCB_PFC_VALID(X) ((X >> 1) & 0x1)
46 #define QLC_83XX_DCB_GET_PRIOMAP_APP(X) (X >> 24)
48 #define QLC_82XX_DCB_GET_NUMAPP(X) ((X >> 12) & 0xf)
49 #define QLC_82XX_DCB_TSA_VALID(X) ((X >> 4) & 0x1)
50 #define QLC_82XX_DCB_PFC_VALID(X) ((X >> 5) & 0x1)
51 #define QLC_82XX_DCB_GET_PRIOVAL_APP(X) ((X >> 24) & 0x7)
52 #define QLC_82XX_DCB_GET_PRIOMAP_APP(X) (1 << X)
53 #define QLC_82XX_DCB_PRIO_TC_MAP (0x76543210)
55 static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops;
57 static void qlcnic_dcb_aen_work(struct work_struct *);
58 static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *);
60 static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_adapter *);
61 static void __qlcnic_dcb_free(struct qlcnic_adapter *);
62 static int __qlcnic_dcb_attach(struct qlcnic_adapter *);
63 static int __qlcnic_dcb_query_hw_capability(struct qlcnic_adapter *, char *);
64 static void __qlcnic_dcb_get_info(struct qlcnic_adapter *);
66 static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_adapter *);
67 static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_adapter *, char *, u8);
68 static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_adapter *);
69 static void qlcnic_82xx_dcb_handle_aen(struct qlcnic_adapter *, void *);
71 static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_adapter *);
72 static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_adapter *, char *, u8);
73 static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_adapter *);
74 static int qlcnic_83xx_dcb_register_aen(struct qlcnic_adapter *, bool);
75 static void qlcnic_83xx_dcb_handle_aen(struct qlcnic_adapter *, void *);
77 struct qlcnic_dcb_capability {
86 struct qlcnic_dcb_param {
87 u32 hdr_prio_pfc_map[2];
91 u32 app[QLC_DCB_MAX_APP];
94 struct qlcnic_dcb_mbx_params {
95 /* 1st local, 2nd operational 3rd remote */
96 struct qlcnic_dcb_param type[3];
100 struct qlcnic_82xx_dcb_param_mbx_le {
101 __le32 hdr_prio_pfc_map[2];
102 __le32 prio_pg_map[2];
104 __le32 pg_tsa_map[2];
105 __le32 app[QLC_DCB_MAX_APP];
108 enum qlcnic_dcb_selector {
109 QLC_SELECTOR_DEF = 0x0,
115 enum qlcnic_dcb_prio_type {
121 enum qlcnic_dcb_pfc_type {
122 QLC_PFC_DISABLED = 0,
128 struct qlcnic_dcb_prio_cfg {
130 enum qlcnic_dcb_pfc_type pfc_type;
133 struct qlcnic_dcb_pg_cfg {
135 u8 total_bw_percent; /* of Link/ port BW */
140 struct qlcnic_dcb_tc_cfg {
142 struct qlcnic_dcb_prio_cfg prio_cfg[QLC_DCB_MAX_PRIO];
143 enum qlcnic_dcb_prio_type prio_type; /* always prio_link */
144 u8 link_percent; /* % of link bandwidth */
145 u8 bwg_percent; /* % of BWG's bandwidth */
150 struct qlcnic_dcb_app {
152 enum qlcnic_dcb_selector selector;
157 struct qlcnic_dcb_cee {
158 struct qlcnic_dcb_tc_cfg tc_cfg[QLC_DCB_MAX_TC];
159 struct qlcnic_dcb_pg_cfg pg_cfg[QLC_DCB_MAX_PG];
160 struct qlcnic_dcb_app app[QLC_DCB_MAX_APP];
162 bool pfc_mode_enable;
165 struct qlcnic_dcb_cfg {
166 /* 0 - local, 1 - operational, 2 - remote */
167 struct qlcnic_dcb_cee type[QLC_DCB_NUM_PARAM];
168 struct qlcnic_dcb_capability capability;
172 static struct qlcnic_dcb_ops qlcnic_83xx_dcb_ops = {
173 .init_dcbnl_ops = __qlcnic_init_dcbnl_ops,
174 .free = __qlcnic_dcb_free,
175 .attach = __qlcnic_dcb_attach,
176 .query_hw_capability = __qlcnic_dcb_query_hw_capability,
177 .get_info = __qlcnic_dcb_get_info,
179 .get_hw_capability = qlcnic_83xx_dcb_get_hw_capability,
180 .query_cee_param = qlcnic_83xx_dcb_query_cee_param,
181 .get_cee_cfg = qlcnic_83xx_dcb_get_cee_cfg,
182 .register_aen = qlcnic_83xx_dcb_register_aen,
183 .handle_aen = qlcnic_83xx_dcb_handle_aen,
186 static struct qlcnic_dcb_ops qlcnic_82xx_dcb_ops = {
187 .init_dcbnl_ops = __qlcnic_init_dcbnl_ops,
188 .free = __qlcnic_dcb_free,
189 .attach = __qlcnic_dcb_attach,
190 .query_hw_capability = __qlcnic_dcb_query_hw_capability,
191 .get_info = __qlcnic_dcb_get_info,
193 .get_hw_capability = qlcnic_82xx_dcb_get_hw_capability,
194 .query_cee_param = qlcnic_82xx_dcb_query_cee_param,
195 .get_cee_cfg = qlcnic_82xx_dcb_get_cee_cfg,
196 .handle_aen = qlcnic_82xx_dcb_handle_aen,
199 static u8 qlcnic_dcb_get_num_app(struct qlcnic_adapter *adapter, u32 val)
201 if (qlcnic_82xx_check(adapter))
202 return QLC_82XX_DCB_GET_NUMAPP(val);
204 return QLC_83XX_DCB_GET_NUMAPP(val);
207 static inline u8 qlcnic_dcb_pfc_hdr_valid(struct qlcnic_adapter *adapter,
210 if (qlcnic_82xx_check(adapter))
211 return QLC_82XX_DCB_PFC_VALID(val);
213 return QLC_83XX_DCB_PFC_VALID(val);
216 static inline u8 qlcnic_dcb_tsa_hdr_valid(struct qlcnic_adapter *adapter,
219 if (qlcnic_82xx_check(adapter))
220 return QLC_82XX_DCB_TSA_VALID(val);
222 return QLC_83XX_DCB_TSA_VALID(val);
225 static inline u8 qlcnic_dcb_get_prio_map_app(struct qlcnic_adapter *adapter,
228 if (qlcnic_82xx_check(adapter))
229 return QLC_82XX_DCB_GET_PRIOMAP_APP(val);
231 return QLC_83XX_DCB_GET_PRIOMAP_APP(val);
234 static int qlcnic_dcb_prio_count(u8 up_tc_map)
238 for (j = 0; j < QLC_DCB_MAX_TC; j++)
239 if (up_tc_map & QLC_DCB_GET_MAP(j))
245 static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_adapter *adapter)
247 if (test_bit(__QLCNIC_DCB_STATE, &adapter->state))
248 adapter->netdev->dcbnl_ops = &qlcnic_dcbnl_ops;
251 static void qlcnic_set_dcb_ops(struct qlcnic_adapter *adapter)
253 if (qlcnic_82xx_check(adapter))
254 adapter->dcb->ops = &qlcnic_82xx_dcb_ops;
255 else if (qlcnic_83xx_check(adapter))
256 adapter->dcb->ops = &qlcnic_83xx_dcb_ops;
259 int __qlcnic_register_dcb(struct qlcnic_adapter *adapter)
261 struct qlcnic_dcb *dcb;
263 dcb = kzalloc(sizeof(struct qlcnic_dcb), GFP_ATOMIC);
268 dcb->adapter = adapter;
269 qlcnic_set_dcb_ops(adapter);
274 static void __qlcnic_dcb_free(struct qlcnic_adapter *adapter)
276 struct qlcnic_dcb *dcb = adapter->dcb;
281 qlcnic_dcb_register_aen(adapter, 0);
283 while (test_bit(__QLCNIC_DCB_IN_AEN, &adapter->state))
284 usleep_range(10000, 11000);
286 cancel_delayed_work_sync(&dcb->aen_work);
289 destroy_workqueue(dcb->wq);
301 static void __qlcnic_dcb_get_info(struct qlcnic_adapter *adapter)
303 qlcnic_dcb_get_hw_capability(adapter);
304 qlcnic_dcb_get_cee_cfg(adapter);
305 qlcnic_dcb_register_aen(adapter, 1);
308 static int __qlcnic_dcb_attach(struct qlcnic_adapter *adapter)
310 struct qlcnic_dcb *dcb = adapter->dcb;
313 INIT_DELAYED_WORK(&dcb->aen_work, qlcnic_dcb_aen_work);
315 dcb->wq = create_singlethread_workqueue("qlcnic-dcb");
317 dev_err(&adapter->pdev->dev,
318 "DCB workqueue allocation failed. DCB will be disabled\n");
322 dcb->cfg = kzalloc(sizeof(struct qlcnic_dcb_cfg), GFP_ATOMIC);
328 dcb->param = kzalloc(sizeof(struct qlcnic_dcb_mbx_params), GFP_ATOMIC);
334 qlcnic_dcb_get_info(adapter);
342 destroy_workqueue(dcb->wq);
348 static int __qlcnic_dcb_query_hw_capability(struct qlcnic_adapter *adapter,
351 struct qlcnic_cmd_args cmd;
355 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_CAP);
359 err = qlcnic_issue_cmd(adapter, &cmd);
361 dev_err(&adapter->pdev->dev,
362 "Failed to query DCBX capability, err %d\n", err);
364 mbx_out = cmd.rsp.arg[1];
366 memcpy(buf, &mbx_out, sizeof(u32));
369 qlcnic_free_mbx_args(&cmd);
374 static int __qlcnic_dcb_get_capability(struct qlcnic_adapter *adapter, u32 *val)
376 struct qlcnic_dcb_capability *cap = &adapter->dcb->cfg->capability;
380 memset(cap, 0, sizeof(struct qlcnic_dcb_capability));
382 err = qlcnic_dcb_query_hw_capability(adapter, (char *)val);
387 if (QLC_DCB_TSA_SUPPORT(mbx_out))
388 cap->tsa_capability = true;
390 if (QLC_DCB_ETS_SUPPORT(mbx_out))
391 cap->ets_capability = true;
393 cap->max_num_tc = QLC_DCB_MAX_NUM_TC(mbx_out);
394 cap->max_ets_tc = QLC_DCB_MAX_NUM_ETS_TC(mbx_out);
395 cap->max_pfc_tc = QLC_DCB_MAX_NUM_PFC_TC(mbx_out);
397 if (cap->max_num_tc > QLC_DCB_MAX_TC ||
398 cap->max_ets_tc > cap->max_num_tc ||
399 cap->max_pfc_tc > cap->max_num_tc) {
400 dev_err(&adapter->pdev->dev, "Invalid DCB configuration\n");
407 static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_adapter *adapter)
409 struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
410 struct qlcnic_dcb_capability *cap;
414 err = __qlcnic_dcb_get_capability(adapter, &mbx_out);
418 cap = &cfg->capability;
419 cap->dcb_capability = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_LLD_MANAGED;
421 if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability)
422 set_bit(__QLCNIC_DCB_STATE, &adapter->state);
427 static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_adapter *adapter,
430 u16 size = sizeof(struct qlcnic_82xx_dcb_param_mbx_le);
431 struct qlcnic_82xx_dcb_param_mbx_le *prsp_le;
432 struct device *dev = &adapter->pdev->dev;
433 dma_addr_t cardrsp_phys_addr;
434 struct qlcnic_dcb_param rsp;
435 struct qlcnic_cmd_args cmd;
441 case QLC_DCB_LOCAL_PARAM_FWID:
442 case QLC_DCB_OPER_PARAM_FWID:
443 case QLC_DCB_PEER_PARAM_FWID:
446 dev_err(dev, "Invalid parameter type %d\n", type);
450 addr = dma_alloc_coherent(&adapter->pdev->dev, size, &cardrsp_phys_addr,
457 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM);
461 phys_addr = cardrsp_phys_addr;
462 cmd.req.arg[1] = size | (type << 16);
463 cmd.req.arg[2] = MSD(phys_addr);
464 cmd.req.arg[3] = LSD(phys_addr);
466 err = qlcnic_issue_cmd(adapter, &cmd);
468 dev_err(dev, "Failed to query DCBX parameter, err %d\n", err);
472 memset(&rsp, 0, sizeof(struct qlcnic_dcb_param));
473 rsp.hdr_prio_pfc_map[0] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[0]);
474 rsp.hdr_prio_pfc_map[1] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[1]);
475 rsp.prio_pg_map[0] = le32_to_cpu(prsp_le->prio_pg_map[0]);
476 rsp.prio_pg_map[1] = le32_to_cpu(prsp_le->prio_pg_map[1]);
477 rsp.pg_bw_map[0] = le32_to_cpu(prsp_le->pg_bw_map[0]);
478 rsp.pg_bw_map[1] = le32_to_cpu(prsp_le->pg_bw_map[1]);
479 rsp.pg_tsa_map[0] = le32_to_cpu(prsp_le->pg_tsa_map[0]);
480 rsp.pg_tsa_map[1] = le32_to_cpu(prsp_le->pg_tsa_map[1]);
482 for (i = 0; i < QLC_DCB_MAX_APP; i++)
483 rsp.app[i] = le32_to_cpu(prsp_le->app[i]);
486 memcpy(buf, &rsp, size);
488 qlcnic_free_mbx_args(&cmd);
491 dma_free_coherent(&adapter->pdev->dev, size, addr, cardrsp_phys_addr);
496 static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_adapter *adapter)
498 struct qlcnic_dcb_mbx_params *mbx;
501 mbx = adapter->dcb->param;
505 err = qlcnic_dcb_query_cee_param(adapter, (char *)&mbx->type[0],
506 QLC_DCB_LOCAL_PARAM_FWID);
510 err = qlcnic_dcb_query_cee_param(adapter, (char *)&mbx->type[1],
511 QLC_DCB_OPER_PARAM_FWID);
515 err = qlcnic_dcb_query_cee_param(adapter, (char *)&mbx->type[2],
516 QLC_DCB_PEER_PARAM_FWID);
520 mbx->prio_tc_map = QLC_82XX_DCB_PRIO_TC_MAP;
522 qlcnic_dcb_data_cee_param_map(adapter);
527 static void qlcnic_dcb_aen_work(struct work_struct *work)
529 struct qlcnic_adapter *adapter;
530 struct qlcnic_dcb *dcb;
532 dcb = container_of(work, struct qlcnic_dcb, aen_work.work);
533 adapter = dcb->adapter;
535 qlcnic_dcb_get_cee_cfg(adapter);
536 clear_bit(__QLCNIC_DCB_IN_AEN, &adapter->state);
539 static void qlcnic_82xx_dcb_handle_aen(struct qlcnic_adapter *adapter,
542 struct qlcnic_dcb *dcb = adapter->dcb;
544 if (test_and_set_bit(__QLCNIC_DCB_IN_AEN, &adapter->state))
547 queue_delayed_work(dcb->wq, &dcb->aen_work, 0);
550 static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_adapter *adapter)
552 struct qlcnic_dcb_capability *cap = &adapter->dcb->cfg->capability;
556 err = __qlcnic_dcb_get_capability(adapter, &mbx_out);
561 cap->dcb_capability = DCB_CAP_DCBX_VER_CEE;
563 cap->dcb_capability |= DCB_CAP_DCBX_VER_IEEE;
564 if (cap->dcb_capability)
565 cap->dcb_capability |= DCB_CAP_DCBX_LLD_MANAGED;
567 if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability)
568 set_bit(__QLCNIC_DCB_STATE, &adapter->state);
573 static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_adapter *adapter,
576 struct qlcnic_dcb_mbx_params mbx_out;
577 int err, i, j, k, max_app, size;
578 struct qlcnic_dcb_param *each;
579 struct qlcnic_cmd_args cmd;
584 memset(&mbx_out, 0, sizeof(struct qlcnic_dcb_mbx_params));
585 memset(buf, 0, sizeof(struct qlcnic_dcb_mbx_params));
587 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM);
591 cmd.req.arg[0] |= QLC_DCB_FW_VER << 29;
592 err = qlcnic_issue_cmd(adapter, &cmd);
594 dev_err(&adapter->pdev->dev,
595 "Failed to query DCBX param, err %d\n", err);
599 mbx_out.prio_tc_map = cmd.rsp.arg[1];
600 p = memcpy(buf, &mbx_out, sizeof(u32));
604 for (j = 0; j < QLC_DCB_NUM_PARAM; j++) {
605 each = &mbx_out.type[j];
607 each->hdr_prio_pfc_map[0] = cmd.rsp.arg[k++];
608 each->hdr_prio_pfc_map[1] = cmd.rsp.arg[k++];
609 each->prio_pg_map[0] = cmd.rsp.arg[k++];
610 each->prio_pg_map[1] = cmd.rsp.arg[k++];
611 each->pg_bw_map[0] = cmd.rsp.arg[k++];
612 each->pg_bw_map[1] = cmd.rsp.arg[k++];
613 each->pg_tsa_map[0] = cmd.rsp.arg[k++];
614 each->pg_tsa_map[1] = cmd.rsp.arg[k++];
615 val = each->hdr_prio_pfc_map[0];
617 max_app = qlcnic_dcb_get_num_app(adapter, val);
618 for (i = 0; i < max_app; i++)
619 each->app[i] = cmd.rsp.arg[i + k];
621 size = 16 * sizeof(u32);
622 memcpy(p, &each->hdr_prio_pfc_map[0], size);
630 qlcnic_free_mbx_args(&cmd);
635 static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_adapter *adapter)
637 struct qlcnic_dcb *dcb = adapter->dcb;
640 err = qlcnic_dcb_query_cee_param(adapter, (char *)dcb->param, 0);
644 qlcnic_dcb_data_cee_param_map(adapter);
649 static int qlcnic_83xx_dcb_register_aen(struct qlcnic_adapter *adapter,
652 u8 val = (flag ? QLCNIC_CMD_INIT_NIC_FUNC : QLCNIC_CMD_STOP_NIC_FUNC);
653 struct qlcnic_cmd_args cmd;
656 err = qlcnic_alloc_mbx_args(&cmd, adapter, val);
660 cmd.req.arg[1] = QLC_DCB_AEN_BIT;
662 err = qlcnic_issue_cmd(adapter, &cmd);
664 dev_err(&adapter->pdev->dev, "Failed to %s DCBX AEN, err %d\n",
665 (flag ? "register" : "unregister"), err);
667 qlcnic_free_mbx_args(&cmd);
672 static void qlcnic_83xx_dcb_handle_aen(struct qlcnic_adapter *adapter,
675 struct qlcnic_dcb *dcb = adapter->dcb;
678 if (test_and_set_bit(__QLCNIC_DCB_IN_AEN, &adapter->state))
682 set_bit(__QLCNIC_DCB_STATE, &adapter->state);
684 clear_bit(__QLCNIC_DCB_STATE, &adapter->state);
686 queue_delayed_work(dcb->wq, &dcb->aen_work, 0);
689 static void qlcnic_dcb_fill_cee_tc_params(struct qlcnic_dcb_mbx_params *mbx,
690 struct qlcnic_dcb_param *each,
691 struct qlcnic_dcb_cee *type)
693 struct qlcnic_dcb_tc_cfg *tc_cfg;
696 for (i = 0; i < QLC_DCB_MAX_PRIO; i++) {
697 tc = QLC_DCB_GET_TC_PRIO(mbx->prio_tc_map, i);
698 tc_cfg = &type->tc_cfg[tc];
699 tc_cfg->valid = true;
700 tc_cfg->up_tc_map |= QLC_DCB_GET_MAP(i);
702 if (QLC_DCB_GET_PFC_PRIO(each->hdr_prio_pfc_map[1], i) &&
703 type->pfc_mode_enable) {
704 tc_cfg->prio_cfg[i].valid = true;
705 tc_cfg->prio_cfg[i].pfc_type = QLC_PFC_FULL;
709 pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[0], i);
711 pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[1], i);
715 tc_cfg->prio_type = QLC_PRIO_LINK;
716 type->pg_cfg[tc_cfg->pgid].prio_count++;
720 static void qlcnic_dcb_fill_cee_pg_params(struct qlcnic_dcb_param *each,
721 struct qlcnic_dcb_cee *type)
723 struct qlcnic_dcb_pg_cfg *pg_cfg;
726 for (i = 0; i < QLC_DCB_MAX_PG; i++) {
727 pg_cfg = &type->pg_cfg[i];
728 pg_cfg->valid = true;
731 bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[0], i);
732 tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[0], i);
734 bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[1], i);
735 tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[1], i);
738 pg_cfg->total_bw_percent = bw_per;
739 pg_cfg->tsa_type = tsa;
744 qlcnic_dcb_fill_cee_app_params(struct qlcnic_adapter *adapter, u8 idx,
745 struct qlcnic_dcb_param *each,
746 struct qlcnic_dcb_cee *type)
748 struct qlcnic_dcb_app *app;
749 u8 i, num_app, map, cnt;
750 struct dcb_app new_app;
752 num_app = qlcnic_dcb_get_num_app(adapter, each->hdr_prio_pfc_map[0]);
753 for (i = 0; i < num_app; i++) {
757 /* Only for CEE (-1) */
758 app->selector = QLC_DCB_GET_SELECTOR_APP(each->app[i]) - 1;
759 new_app.selector = app->selector;
760 app->protocol = QLC_DCB_GET_PROTO_ID_APP(each->app[i]);
761 new_app.protocol = app->protocol;
762 map = qlcnic_dcb_get_prio_map_app(adapter, each->app[i]);
763 cnt = qlcnic_dcb_prio_count(map);
765 if (cnt >= QLC_DCB_MAX_TC)
769 new_app.priority = cnt;
771 if (idx == QLC_DCB_OPER_IDX && adapter->netdev->dcbnl_ops)
772 dcb_setapp(adapter->netdev, &new_app);
776 static void qlcnic_dcb_map_cee_params(struct qlcnic_adapter *adapter, u8 idx)
778 struct qlcnic_dcb_mbx_params *mbx = adapter->dcb->param;
779 struct qlcnic_dcb_param *each = &mbx->type[idx];
780 struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
781 struct qlcnic_dcb_cee *type = &cfg->type[idx];
783 type->tc_param_valid = false;
784 type->pfc_mode_enable = false;
785 memset(type->tc_cfg, 0,
786 sizeof(struct qlcnic_dcb_tc_cfg) * QLC_DCB_MAX_TC);
787 memset(type->pg_cfg, 0,
788 sizeof(struct qlcnic_dcb_pg_cfg) * QLC_DCB_MAX_TC);
790 if (qlcnic_dcb_pfc_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) &&
791 cfg->capability.max_pfc_tc)
792 type->pfc_mode_enable = true;
794 if (qlcnic_dcb_tsa_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) &&
795 cfg->capability.max_ets_tc)
796 type->tc_param_valid = true;
798 qlcnic_dcb_fill_cee_tc_params(mbx, each, type);
799 qlcnic_dcb_fill_cee_pg_params(each, type);
800 qlcnic_dcb_fill_cee_app_params(adapter, idx, each, type);
803 static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *adapter)
807 for (i = 0; i < QLC_DCB_NUM_PARAM; i++)
808 qlcnic_dcb_map_cee_params(adapter, i);
810 dcbnl_cee_notify(adapter->netdev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0);
813 static u8 qlcnic_dcb_get_state(struct net_device *netdev)
815 struct qlcnic_adapter *adapter = netdev_priv(netdev);
817 return test_bit(__QLCNIC_DCB_STATE, &adapter->state);
820 static void qlcnic_dcb_get_perm_hw_addr(struct net_device *netdev, u8 *addr)
822 memcpy(addr, netdev->dev_addr, netdev->addr_len);
826 qlcnic_dcb_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, u8 *prio,
827 u8 *pgid, u8 *bw_per, u8 *up_tc_map)
829 struct qlcnic_adapter *adapter = netdev_priv(netdev);
830 struct qlcnic_dcb_tc_cfg *tc_cfg, *temp;
831 struct qlcnic_dcb_cee *type;
834 type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
835 *prio = *pgid = *bw_per = *up_tc_map = 0;
837 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state) ||
838 !type->tc_param_valid)
841 if (tc < 0 || (tc > QLC_DCB_MAX_TC))
844 tc_cfg = &type->tc_cfg[tc];
848 *pgid = tc_cfg->pgid;
849 *prio = tc_cfg->prio_type;
850 *up_tc_map = tc_cfg->up_tc_map;
853 for (i = 0, cnt = 0; i < QLC_DCB_MAX_TC; i++) {
854 temp = &type->tc_cfg[i];
855 if (temp->valid && (pg == temp->pgid))
859 tc_cfg->bwg_percent = (100 / cnt);
860 *bw_per = tc_cfg->bwg_percent;
863 static void qlcnic_dcb_get_pg_bwg_cfg_tx(struct net_device *netdev, int pgid,
866 struct qlcnic_adapter *adapter = netdev_priv(netdev);
867 struct qlcnic_dcb_pg_cfg *pgcfg;
868 struct qlcnic_dcb_cee *type;
871 type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
873 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state) ||
874 !type->tc_param_valid)
877 if (pgid < 0 || pgid > QLC_DCB_MAX_PG)
880 pgcfg = &type->pg_cfg[pgid];
884 *bw_pct = pgcfg->total_bw_percent;
887 static void qlcnic_dcb_get_pfc_cfg(struct net_device *netdev, int prio,
890 struct qlcnic_adapter *adapter = netdev_priv(netdev);
891 struct qlcnic_dcb_tc_cfg *tc_cfg;
892 u8 val = QLC_DCB_GET_MAP(prio);
893 struct qlcnic_dcb_cee *type;
897 type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
899 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state) ||
900 !type->pfc_mode_enable)
903 for (i = 0; i < QLC_DCB_MAX_TC; i++) {
904 tc_cfg = &type->tc_cfg[i];
908 if ((val & tc_cfg->up_tc_map) && (tc_cfg->prio_cfg[prio].valid))
909 *setting = tc_cfg->prio_cfg[prio].pfc_type;
913 static u8 qlcnic_dcb_get_capability(struct net_device *netdev, int capid,
916 struct qlcnic_adapter *adapter = netdev_priv(netdev);
918 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
922 case DCB_CAP_ATTR_PG:
923 case DCB_CAP_ATTR_UP2TC:
924 case DCB_CAP_ATTR_PFC:
925 case DCB_CAP_ATTR_GSP:
928 case DCB_CAP_ATTR_PG_TCS:
929 case DCB_CAP_ATTR_PFC_TCS:
930 *cap = 0x80; /* 8 priorities for PGs */
932 case DCB_CAP_ATTR_DCBX:
933 *cap = adapter->dcb->cfg->capability.dcb_capability;
942 static int qlcnic_dcb_get_num_tcs(struct net_device *netdev, int attr, u8 *num)
944 struct qlcnic_adapter *adapter = netdev_priv(netdev);
945 struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
947 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
951 case DCB_NUMTCS_ATTR_PG:
952 *num = cfg->capability.max_ets_tc;
954 case DCB_NUMTCS_ATTR_PFC:
955 *num = cfg->capability.max_pfc_tc;
962 static u8 qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id)
964 struct qlcnic_adapter *adapter = netdev_priv(netdev);
965 struct dcb_app app = {
970 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
973 return dcb_getapp(netdev, &app);
976 static u8 qlcnic_dcb_get_pfc_state(struct net_device *netdev)
978 struct qlcnic_adapter *adapter = netdev_priv(netdev);
979 struct qlcnic_dcb *dcb = adapter->dcb;
981 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
984 return dcb->cfg->type[QLC_DCB_OPER_IDX].pfc_mode_enable;
987 static u8 qlcnic_dcb_get_dcbx(struct net_device *netdev)
989 struct qlcnic_adapter *adapter = netdev_priv(netdev);
990 struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
992 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
995 return cfg->capability.dcb_capability;
998 static u8 qlcnic_dcb_get_feat_cfg(struct net_device *netdev, int fid, u8 *flag)
1000 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1001 struct qlcnic_dcb_cee *type;
1003 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
1006 type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
1010 case DCB_FEATCFG_ATTR_PG:
1011 if (type->tc_param_valid)
1012 *flag |= DCB_FEATCFG_ENABLE;
1014 *flag |= DCB_FEATCFG_ERROR;
1016 case DCB_FEATCFG_ATTR_PFC:
1017 if (type->pfc_mode_enable) {
1018 if (type->tc_cfg[0].prio_cfg[0].pfc_type)
1019 *flag |= DCB_FEATCFG_ENABLE;
1021 *flag |= DCB_FEATCFG_ERROR;
1024 case DCB_FEATCFG_ATTR_APP:
1025 *flag |= DCB_FEATCFG_ENABLE;
1028 netdev_err(netdev, "Invalid Feature ID %d\n", fid);
1036 qlcnic_dcb_get_pg_tc_cfg_rx(struct net_device *netdev, int prio, u8 *prio_type,
1037 u8 *pgid, u8 *bw_pct, u8 *up_map)
1039 *prio_type = *pgid = *bw_pct = *up_map = 0;
1043 qlcnic_dcb_get_pg_bwg_cfg_rx(struct net_device *netdev, int pgid, u8 *bw_pct)
1048 static int qlcnic_dcb_peer_app_info(struct net_device *netdev,
1049 struct dcb_peer_app_info *info,
1052 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1053 struct qlcnic_dcb_cee *peer;
1058 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
1061 peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX];
1063 for (i = 0; i < QLC_DCB_MAX_APP; i++) {
1064 if (peer->app[i].valid)
1071 static int qlcnic_dcb_peer_app_table(struct net_device *netdev,
1072 struct dcb_app *table)
1074 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1075 struct qlcnic_dcb_cee *peer;
1076 struct qlcnic_dcb_app *app;
1079 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
1082 peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX];
1084 for (i = 0, j = 0; i < QLC_DCB_MAX_APP; i++) {
1085 app = &peer->app[i];
1089 table[j].selector = app->selector;
1090 table[j].priority = app->priority;
1091 table[j++].protocol = app->protocol;
1097 static int qlcnic_dcb_cee_peer_get_pg(struct net_device *netdev,
1100 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1101 struct qlcnic_dcb_cee *peer;
1104 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
1107 peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX];
1109 for (i = 0, j = 0; i < QLC_DCB_MAX_PG; i++) {
1110 if (!peer->pg_cfg[i].valid)
1113 pg->pg_bw[j] = peer->pg_cfg[i].total_bw_percent;
1115 for (k = 0; k < QLC_DCB_MAX_TC; k++) {
1116 if (peer->tc_cfg[i].valid &&
1117 (peer->tc_cfg[i].pgid == i)) {
1118 map = peer->tc_cfg[i].up_tc_map;
1119 pg->prio_pg[j++] = map;
1128 static int qlcnic_dcb_cee_peer_get_pfc(struct net_device *netdev,
1129 struct cee_pfc *pfc)
1131 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1132 struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
1133 struct qlcnic_dcb_tc_cfg *tc;
1134 struct qlcnic_dcb_cee *peer;
1135 u8 i, setting, prio;
1139 if (!test_bit(__QLCNIC_DCB_STATE, &adapter->state))
1142 peer = &cfg->type[QLC_DCB_PEER_IDX];
1144 for (i = 0; i < QLC_DCB_MAX_TC; i++) {
1145 tc = &peer->tc_cfg[i];
1146 prio = qlcnic_dcb_prio_count(tc->up_tc_map);
1149 qlcnic_dcb_get_pfc_cfg(netdev, prio, &setting);
1151 pfc->pfc_en |= QLC_DCB_GET_MAP(i);
1154 pfc->tcs_supported = cfg->capability.max_pfc_tc;
1159 static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops = {
1160 .getstate = qlcnic_dcb_get_state,
1161 .getpermhwaddr = qlcnic_dcb_get_perm_hw_addr,
1162 .getpgtccfgtx = qlcnic_dcb_get_pg_tc_cfg_tx,
1163 .getpgbwgcfgtx = qlcnic_dcb_get_pg_bwg_cfg_tx,
1164 .getpfccfg = qlcnic_dcb_get_pfc_cfg,
1165 .getcap = qlcnic_dcb_get_capability,
1166 .getnumtcs = qlcnic_dcb_get_num_tcs,
1167 .getapp = qlcnic_dcb_get_app,
1168 .getpfcstate = qlcnic_dcb_get_pfc_state,
1169 .getdcbx = qlcnic_dcb_get_dcbx,
1170 .getfeatcfg = qlcnic_dcb_get_feat_cfg,
1172 .getpgtccfgrx = qlcnic_dcb_get_pg_tc_cfg_rx,
1173 .getpgbwgcfgrx = qlcnic_dcb_get_pg_bwg_cfg_rx,
1175 .peer_getappinfo = qlcnic_dcb_peer_app_info,
1176 .peer_getapptable = qlcnic_dcb_peer_app_table,
1177 .cee_peer_getpg = qlcnic_dcb_cee_peer_get_pg,
1178 .cee_peer_getpfc = qlcnic_dcb_cee_peer_get_pfc,