1// SPDX-License-Identifier: GPL-2.0+
2// Copyright (c) 2016-2017 Hisilicon Limited.
3
4#include "hnae3.h"
5#include "hns3_enet.h"
6
7static int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets)
8{
9	struct hnae3_handle *h = hns3_get_handle(ndev);
10
11	if (hns3_nic_resetting(ndev))
12		return -EBUSY;
13
14	if (h->kinfo.dcb_ops->ieee_getets)
15		return h->kinfo.dcb_ops->ieee_getets(h, ets);
16
17	return -EOPNOTSUPP;
18}
19
20static int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets)
21{
22	struct hnae3_handle *h = hns3_get_handle(ndev);
23
24	if (hns3_nic_resetting(ndev))
25		return -EBUSY;
26
27	if (h->kinfo.dcb_ops->ieee_setets)
28		return h->kinfo.dcb_ops->ieee_setets(h, ets);
29
30	return -EOPNOTSUPP;
31}
32
33static int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc)
34{
35	struct hnae3_handle *h = hns3_get_handle(ndev);
36
37	if (hns3_nic_resetting(ndev))
38		return -EBUSY;
39
40	if (h->kinfo.dcb_ops->ieee_getpfc)
41		return h->kinfo.dcb_ops->ieee_getpfc(h, pfc);
42
43	return -EOPNOTSUPP;
44}
45
46static int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc)
47{
48	struct hnae3_handle *h = hns3_get_handle(ndev);
49
50	if (hns3_nic_resetting(ndev))
51		return -EBUSY;
52
53	if (h->kinfo.dcb_ops->ieee_setpfc)
54		return h->kinfo.dcb_ops->ieee_setpfc(h, pfc);
55
56	return -EOPNOTSUPP;
57}
58
59static int hns3_dcbnl_ieee_setapp(struct net_device *ndev, struct dcb_app *app)
60{
61	struct hnae3_handle *h = hns3_get_handle(ndev);
62
63	if (hns3_nic_resetting(ndev))
64		return -EBUSY;
65
66	if (h->kinfo.dcb_ops->ieee_setapp)
67		return h->kinfo.dcb_ops->ieee_setapp(h, app);
68
69	return -EOPNOTSUPP;
70}
71
72static int hns3_dcbnl_ieee_delapp(struct net_device *ndev, struct dcb_app *app)
73{
74	struct hnae3_handle *h = hns3_get_handle(ndev);
75
76	if (hns3_nic_resetting(ndev))
77		return -EBUSY;
78
79	if (h->kinfo.dcb_ops->ieee_delapp)
80		return h->kinfo.dcb_ops->ieee_delapp(h, app);
81
82	return -EOPNOTSUPP;
83}
84
85/* DCBX configuration */
86static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
87{
88	struct hnae3_handle *h = hns3_get_handle(ndev);
89
90	if (h->kinfo.dcb_ops->getdcbx)
91		return h->kinfo.dcb_ops->getdcbx(h);
92
93	return 0;
94}
95
96/* return 0 if successful, otherwise fail */
97static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
98{
99	struct hnae3_handle *h = hns3_get_handle(ndev);
100
101	if (h->kinfo.dcb_ops->setdcbx)
102		return h->kinfo.dcb_ops->setdcbx(h, mode);
103
104	return 1;
105}
106
107static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
108	.ieee_getets	= hns3_dcbnl_ieee_getets,
109	.ieee_setets	= hns3_dcbnl_ieee_setets,
110	.ieee_getpfc	= hns3_dcbnl_ieee_getpfc,
111	.ieee_setpfc	= hns3_dcbnl_ieee_setpfc,
112	.ieee_setapp    = hns3_dcbnl_ieee_setapp,
113	.ieee_delapp    = hns3_dcbnl_ieee_delapp,
114	.getdcbx	= hns3_dcbnl_getdcbx,
115	.setdcbx	= hns3_dcbnl_setdcbx,
116};
117
118/* hclge_dcbnl_setup - DCBNL setup
119 * @handle: the corresponding vport handle
120 * Set up DCBNL
121 */
122void hns3_dcbnl_setup(struct hnae3_handle *handle)
123{
124	struct net_device *dev = handle->kinfo.netdev;
125
126	if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF))
127		return;
128
129	dev->dcbnl_ops = &hns3_dcbnl_ops;
130}
131