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authorSalil <salil.mehta@huawei.com>2015-12-03 12:17:56 +0000
committerDavid S. Miller <davem@davemloft.net>2015-12-04 14:36:15 -0500
commit38f616da1c28293798b3515a0f409531fff46c42 (patch)
tree63af89fe037a9eecb6ee54c26378c73348101d01
parentnet:hns: Add Hip06 "TSO(TCP Segment Offload)" support HNS Driver (diff)
downloadlinux-dev-38f616da1c28293798b3515a0f409531fff46c42.tar.xz
linux-dev-38f616da1c28293798b3515a0f409531fff46c42.zip
net:hns: Add support of ethtool TSO set option for Hip06 in HNS
This patch adds the support of ethtool TSO option to support Hip06 SoC to HNS Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lisheng <lisheng011@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_enet.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index c025a7195c17..cad266339200 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -1384,6 +1384,51 @@ static int hns_nic_change_mtu(struct net_device *ndev, int new_mtu)
return ret;
}
+static int hns_nic_set_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_handle *h = priv->ae_handle;
+
+ switch (priv->enet_ver) {
+ case AE_VERSION_1:
+ if (features & (NETIF_F_TSO | NETIF_F_TSO6))
+ netdev_info(netdev, "enet v1 do not support tso!\n");
+ break;
+ default:
+ if (features & (NETIF_F_TSO | NETIF_F_TSO6)) {
+ priv->ops.fill_desc = fill_tso_desc;
+ priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tso;
+ /* The chip only support 7*4096 */
+ netif_set_gso_max_size(netdev, 7 * 4096);
+ h->dev->ops->set_tso_stats(h, 1);
+ } else {
+ priv->ops.fill_desc = fill_v2_desc;
+ priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tx;
+ h->dev->ops->set_tso_stats(h, 0);
+ }
+ break;
+ }
+ netdev->features = features;
+ return 0;
+}
+
+static netdev_features_t hns_nic_fix_features(
+ struct net_device *netdev, netdev_features_t features)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+
+ switch (priv->enet_ver) {
+ case AE_VERSION_1:
+ features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_HW_VLAN_CTAG_FILTER);
+ break;
+ default:
+ break;
+ }
+ return features;
+}
+
/**
* nic_set_multicast_list - set mutl mac address
* @netdev: net device
@@ -1479,6 +1524,8 @@ static const struct net_device_ops hns_nic_netdev_ops = {
.ndo_set_mac_address = hns_nic_net_set_mac_address,
.ndo_change_mtu = hns_nic_change_mtu,
.ndo_do_ioctl = hns_nic_do_ioctl,
+ .ndo_set_features = hns_nic_set_features,
+ .ndo_fix_features = hns_nic_fix_features,
.ndo_get_stats64 = hns_nic_get_stats64,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = hns_nic_poll_controller,