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
59/* DCBX configuration */
60static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
61{
62	struct hnae3_handle *h = hns3_get_handle(ndev);
63
64	if (h->kinfo.dcb_ops->getdcbx)
65		return h->kinfo.dcb_ops->getdcbx(h);
66
67	return 0;
68}
69
70/* return 0 if successful, otherwise fail */
71static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
72{
73	struct hnae3_handle *h = hns3_get_handle(ndev);
74
75	if (h->kinfo.dcb_ops->setdcbx)
76		return h->kinfo.dcb_ops->setdcbx(h, mode);
77
78	return 1;
79}
80
81static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
82	.ieee_getets	= hns3_dcbnl_ieee_getets,
83	.ieee_setets	= hns3_dcbnl_ieee_setets,
84	.ieee_getpfc	= hns3_dcbnl_ieee_getpfc,
85	.ieee_setpfc	= hns3_dcbnl_ieee_setpfc,
86	.getdcbx	= hns3_dcbnl_getdcbx,
87	.setdcbx	= hns3_dcbnl_setdcbx,
88};
89
90/* hclge_dcbnl_setup - DCBNL setup
91 * @handle: the corresponding vport handle
92 * Set up DCBNL
93 */
94void hns3_dcbnl_setup(struct hnae3_handle *handle)
95{
96	struct net_device *dev = handle->kinfo.netdev;
97
98	if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF))
99		return;
100
101	dev->dcbnl_ops = &hns3_dcbnl_ops;
102}
103