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
hns3_dcbnl_ieee_getets(struct net_device * ndev,struct ieee_ets * ets)7 static 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
hns3_dcbnl_ieee_setets(struct net_device * ndev,struct ieee_ets * ets)20 static 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
hns3_dcbnl_ieee_getpfc(struct net_device * ndev,struct ieee_pfc * pfc)33 static 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
hns3_dcbnl_ieee_setpfc(struct net_device * ndev,struct ieee_pfc * pfc)46 static 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 */
hns3_dcbnl_getdcbx(struct net_device * ndev)60 static 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 */
hns3_dcbnl_setdcbx(struct net_device * ndev,u8 mode)71 static 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
81 static 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 */
hns3_dcbnl_setup(struct hnae3_handle * handle)94 void 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