net: hns3: Add dcb netlink interface for the support of DCB feature

This patch add dcb netlink interface by calling the interface from
hclge_dcb module.

This patch also update Makefile in order to build hns3_dcbnl module.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunsheng Lin 2017-09-27 09:45:30 +08:00 committed by David S. Miller
parent cacde272dd
commit 986743dbf0
4 changed files with 117 additions and 0 deletions
drivers/net/ethernet/hisilicon/hns3/hns3pf

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@ -11,3 +11,5 @@ hclge-$(CONFIG_HNS3_DCB) += hclge_dcb.o
obj-$(CONFIG_HNS3_ENET) += hns3.o
hns3-objs = hns3_enet.o hns3_ethtool.o
hns3-$(CONFIG_HNS3_DCB) += hns3_dcbnl.o

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@ -0,0 +1,106 @@
/*
* Copyright (c) 2016-2017 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "hnae3.h"
#include "hns3_enet.h"
static
int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (h->kinfo.dcb_ops->ieee_getets)
return h->kinfo.dcb_ops->ieee_getets(h, ets);
return -EOPNOTSUPP;
}
static
int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (h->kinfo.dcb_ops->ieee_setets)
return h->kinfo.dcb_ops->ieee_setets(h, ets);
return -EOPNOTSUPP;
}
static
int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (h->kinfo.dcb_ops->ieee_getpfc)
return h->kinfo.dcb_ops->ieee_getpfc(h, pfc);
return -EOPNOTSUPP;
}
static
int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (h->kinfo.dcb_ops->ieee_setpfc)
return h->kinfo.dcb_ops->ieee_setpfc(h, pfc);
return -EOPNOTSUPP;
}
/* DCBX configuration */
static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (h->kinfo.dcb_ops->getdcbx)
return h->kinfo.dcb_ops->getdcbx(h);
return 0;
}
/* return 0 if successful, otherwise fail */
static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (h->kinfo.dcb_ops->setdcbx)
return h->kinfo.dcb_ops->setdcbx(h, mode);
return 1;
}
static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
.ieee_getets = hns3_dcbnl_ieee_getets,
.ieee_setets = hns3_dcbnl_ieee_setets,
.ieee_getpfc = hns3_dcbnl_ieee_getpfc,
.ieee_setpfc = hns3_dcbnl_ieee_setpfc,
.getdcbx = hns3_dcbnl_getdcbx,
.setdcbx = hns3_dcbnl_setdcbx,
};
/* hclge_dcbnl_setup - DCBNL setup
* @handle: the corresponding vport handle
* Set up DCBNL
*/
void hns3_dcbnl_setup(struct hnae3_handle *handle)
{
struct net_device *dev = handle->kinfo.netdev;
if (!handle->kinfo.dcb_ops)
return;
dev->dcbnl_ops = &hns3_dcbnl_ops;
}

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@ -2790,6 +2790,8 @@ static int hns3_client_init(struct hnae3_handle *handle)
goto out_reg_netdev_fail;
}
hns3_dcbnl_setup(handle);
/* MTU range: (ETH_MIN_MTU(kernel default) - 9706) */
netdev->max_mtu = HNS3_MAX_MTU - (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);

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@ -590,4 +590,11 @@ static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value)
void hns3_ethtool_set_ops(struct net_device *netdev);
int hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget);
#ifdef CONFIG_HNS3_DCB
void hns3_dcbnl_setup(struct hnae3_handle *handle);
#else
static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {}
#endif
#endif