1 /*
2  * Copyright (c) 2016-2017 Hisilicon Limited.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9 
10 #include "hnae3.h"
11 #include "hns3_enet.h"
12 
13 static
14 int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets)
15 {
16 	struct hnae3_handle *h = hns3_get_handle(ndev);
17 
18 	if (h->kinfo.dcb_ops->ieee_getets)
19 		return h->kinfo.dcb_ops->ieee_getets(h, ets);
20 
21 	return -EOPNOTSUPP;
22 }
23 
24 static
25 int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets)
26 {
27 	struct hnae3_handle *h = hns3_get_handle(ndev);
28 
29 	if (h->kinfo.dcb_ops->ieee_setets)
30 		return h->kinfo.dcb_ops->ieee_setets(h, ets);
31 
32 	return -EOPNOTSUPP;
33 }
34 
35 static
36 int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc)
37 {
38 	struct hnae3_handle *h = hns3_get_handle(ndev);
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 
46 static
47 int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc)
48 {
49 	struct hnae3_handle *h = hns3_get_handle(ndev);
50 
51 	if (h->kinfo.dcb_ops->ieee_setpfc)
52 		return h->kinfo.dcb_ops->ieee_setpfc(h, pfc);
53 
54 	return -EOPNOTSUPP;
55 }
56 
57 /* DCBX configuration */
58 static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
59 {
60 	struct hnae3_handle *h = hns3_get_handle(ndev);
61 
62 	if (h->kinfo.dcb_ops->getdcbx)
63 		return h->kinfo.dcb_ops->getdcbx(h);
64 
65 	return 0;
66 }
67 
68 /* return 0 if successful, otherwise fail */
69 static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
70 {
71 	struct hnae3_handle *h = hns3_get_handle(ndev);
72 
73 	if (h->kinfo.dcb_ops->setdcbx)
74 		return h->kinfo.dcb_ops->setdcbx(h, mode);
75 
76 	return 1;
77 }
78 
79 static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
80 	.ieee_getets	= hns3_dcbnl_ieee_getets,
81 	.ieee_setets	= hns3_dcbnl_ieee_setets,
82 	.ieee_getpfc	= hns3_dcbnl_ieee_getpfc,
83 	.ieee_setpfc	= hns3_dcbnl_ieee_setpfc,
84 	.getdcbx	= hns3_dcbnl_getdcbx,
85 	.setdcbx	= hns3_dcbnl_setdcbx,
86 };
87 
88 /* hclge_dcbnl_setup - DCBNL setup
89  * @handle: the corresponding vport handle
90  * Set up DCBNL
91  */
92 void hns3_dcbnl_setup(struct hnae3_handle *handle)
93 {
94 	struct net_device *dev = handle->kinfo.netdev;
95 
96 	if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF))
97 		return;
98 
99 	dev->dcbnl_ops = &hns3_dcbnl_ops;
100 }
101