netdev - [PATCH V2 net-next 08/17] net: hns3: Add ethtool related offload command

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Date:   Tue, 19 Dec 2017 12:02:30 +0800
From:   Lipeng <lipeng321@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <salil.mehta@...wei.com>,
        <lipeng321@...wei.com>
Subject: [PATCH V2 net-next 08/17] net: hns3: Add ethtool related offload command

This patch adds offload command related to "ethtool -K".

Signed-off-by: Shenjian <shenjian15@...wei.com>
Signed-off-by: Lipeng <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hnae3.h             |  3 +++
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c         | 16 ++++++++++++++++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 13 +++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index a5d3d22..a67d02a9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -278,6 +278,8 @@ struct hnae3_ae_dev {
  *   Set vlan filter config of Ports
  * set_vf_vlan_filter()
  *   Set vlan filter config of vf
+ * enable_hw_strip_rxvtag()
+ *   Enable/disable hardware strip vlan tag of packets received
  */
 struct hnae3_ae_ops {
 	int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
@@ -384,6 +386,7 @@ struct hnae3_ae_ops {
 			       u16 vlan_id, bool is_kill);
 	int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
 				  u16 vlan, u8 qos, __be16 proto);
+	int (*enable_hw_strip_rxvtag)(struct hnae3_handle *handle, bool enable);
 	void (*reset_event)(struct hnae3_handle *handle,
 			    enum hnae3_reset_type reset);
 	void (*get_channels)(struct hnae3_handle *handle,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b7fe980..377964a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1032,6 +1032,9 @@ static int hns3_nic_set_features(struct net_device *netdev,
 				 netdev_features_t features)
 {
 	struct hns3_nic_priv *priv = netdev_priv(netdev);
+	struct hnae3_handle *h = priv->ae_handle;
+	netdev_features_t changed;
+	int ret;
 
 	if (features & (NETIF_F_TSO | NETIF_F_TSO6)) {
 		priv->ops.fill_desc = hns3_fill_desc_tso;
@@ -1041,6 +1044,17 @@ static int hns3_nic_set_features(struct net_device *netdev,
 		priv->ops.maybe_stop_tx = hns3_nic_maybe_stop_tx;
 	}
 
+	changed = netdev->features ^ features;
+	if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
+		if (features & NETIF_F_HW_VLAN_CTAG_RX)
+			ret = h->ae_algo->ops->enable_hw_strip_rxvtag(h, true);
+		else
+			ret = h->ae_algo->ops->enable_hw_strip_rxvtag(h, false);
+
+		if (ret)
+			return ret;
+	}
+
 	netdev->features = features;
 	return 0;
 }
@@ -1492,6 +1506,7 @@ static void hns3_set_default_feature(struct net_device *netdev)
 
 	netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
 		NETIF_F_HW_VLAN_CTAG_FILTER |
+		NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
 		NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_GSO |
 		NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_GSO_GRE |
 		NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL |
@@ -1506,6 +1521,7 @@ static void hns3_set_default_feature(struct net_device *netdev)
 
 	netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
 		NETIF_F_HW_VLAN_CTAG_FILTER |
+		NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
 		NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_GSO |
 		NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_GSO_GRE |
 		NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL |
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index d4cdc8d..e253f73 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -4547,6 +4547,18 @@ static int hclge_init_vlan_config(struct hclge_dev *hdev)
 	return hclge_set_port_vlan_filter(handle, htons(ETH_P_8021Q), 0, false);
 }
 
+static int hclge_en_hw_strip_rxvtag(struct hnae3_handle *handle, bool enable)
+{
+	struct hclge_vport *vport = hclge_get_vport(handle);
+
+	vport->rxvlan_cfg.strip_tag1_en = false;
+	vport->rxvlan_cfg.strip_tag2_en = enable;
+	vport->rxvlan_cfg.vlan1_vlan_prionly = false;
+	vport->rxvlan_cfg.vlan2_vlan_prionly = false;
+
+	return hclge_set_vlan_rx_offload_cfg(vport);
+}
+
 static int hclge_set_mtu(struct hnae3_handle *handle, int new_mtu)
 {
 	struct hclge_vport *vport = hclge_get_vport(handle);
@@ -5361,6 +5373,7 @@ static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num)
 	.get_mdix_mode = hclge_get_mdix_mode,
 	.set_vlan_filter = hclge_set_port_vlan_filter,
 	.set_vf_vlan_filter = hclge_set_vf_vlan_filter,
+	.enable_hw_strip_rxvtag = hclge_en_hw_strip_rxvtag,
 	.reset_event = hclge_reset_event,
 	.get_tqps_and_rss_info = hclge_get_tqps_and_rss_info,
 	.set_channels = hclge_set_channels,
-- 
1.9.1