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}