Thread (14 messages) 14 messages, 4 authors, 2015-11-26

[PATCH V3 net-next 4/5] net:hns: Add support of ethtool TSO set option for Hip06 in HNS

From: Sergei Shtylyov <hidden>
Date: 2015-11-20 14:07:31
Also in: linux-devicetree, lkml, netdev

On 11/19/2015 11:58 PM, Salil Mehta wrote:
quoted hunk ↗ jump to hunk
From: Salil <redacted>

This patch adds the support of ethtool TSO option to V1 patch,
meant to add support of Hip06 SoC to HNS

Signed-off-by: Salil Mehta <redacted>
Signed-off-by: lisheng <redacted>
---
  drivers/net/ethernet/hisilicon/hns/hns_enet.c |   47 +++++++++++++++++++++++++
  1 file changed, 47 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 055e14c..a0763ab 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -1386,6 +1386,51 @@ 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) || (features & NETIF_F_TSO6))
		if ((features & (NETIF_F_TSO| NETIF_F_TSO6))
+			netdev_info(netdev, "enet v1 do not support tso!\n");
+	break;
    The *break* should have the same indentation level as *if*.
+	default:
+		if ((features & NETIF_F_TSO) || (features & NETIF_F_TSO6)) {
	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;
    Same here.
+	}
+	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;
+	}
    Here it's indented correctly.
+	return features;
+}
+
  /**
   * nic_set_multicast_list - set mutl mac address
   * @netdev: net device
[...]

MBR, Sergei
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