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Message-ID: <1505992913-107256-9-git-send-email-linyunsheng@huawei.com>
Date: Thu, 21 Sep 2017 19:21:51 +0800
From: Yunsheng Lin <linyunsheng@...wei.com>
To: <davem@...emloft.net>
CC: <huangdaode@...ilicon.com>, <xuwei5@...ilicon.com>,
<liguozhu@...ilicon.com>, <Yisen.Zhuang@...wei.com>,
<gabriele.paoloni@...wei.com>, <john.garry@...wei.com>,
<linuxarm@...wei.com>, <yisen.zhuang@...wei.com>,
<salil.mehta@...wei.com>, <lipeng321@...wei.com>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next 08/10] 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@...wei.com>
---
.../net/ethernet/hisilicon/hns3/hns3pf/Makefile | 2 +
.../ethernet/hisilicon/hns3/hns3pf/hns3_dcbnl.c | 106 +++++++++++++++++++++
.../net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 2 +
.../net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h | 7 ++
4 files changed, 117 insertions(+)
create mode 100644 drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_dcbnl.c
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile b/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile
index 7023dc87..d2b20d0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile
@@ -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
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_dcbnl.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_dcbnl.c
new file mode 100644
index 0000000..9832172
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_dcbnl.c
@@ -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;
+}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
index 35369e1..11dab26 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
@@ -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);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h
index 7e87461..481eada 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h
@@ -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
--
1.9.1
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