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

[Salil Mehta]

On 20/11/15 14:07, Sergei Shtylyov wrote:

On 11/19/2015 11:58 PM, Salil Mehta wrote:

From: Salil <salil.me...@huawei.com>

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 <salil.me...@huawei.com>
Signed-off-by: lisheng <lisheng...@huawei.com>
---

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))

Thanks. changed in V4 PATCH.

+            netdev_info(netdev, "enet v1 do not support tso!\n");
+    break;

   The *break* should have the same indentation level as *if*.

Thanks for pointing out. changed in V4 PATCH.

+    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.

Thanks for pointing out. changed in V4 PATCH.

+    }
+    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.

Got it, thanks!

+    return features;
+}
+
  /**
   * nic_set_multicast_list - set mutl mac address
   * @netdev: net device

[...]

MBR, Sergei

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