vlan: Set hard_header_len according to available acceleration

[~andy/linux] / net / 8021q / vlan_dev.c

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index de51c48c439382db712761747188dc72061c82b0..a9591ff2b678c7c93ac1717fb9d42a19ad2d9672 100644 (file)
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -538,6 +538,9 @@ static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev
        struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
        struct net_device *real_dev = vlan->real_dev;
 
+       if (saddr == NULL)
+               saddr = dev->dev_addr;
+
        return dev_hard_header(skb, real_dev, type, daddr, saddr, len);
 }
 
@@ -589,7 +592,8 @@ static int vlan_dev_init(struct net_device *dev)
 #endif
 
        dev->needed_headroom = real_dev->needed_headroom;
-       if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
+       if (vlan_hw_offload_capable(real_dev->features,
+                                   vlan_dev_priv(dev)->vlan_proto)) {
                dev->header_ops      = &vlan_passthru_header_ops;
                dev->hard_header_len = real_dev->hard_header_len;
        } else {