hns3_dcbnl.c

  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}