1 files changed, 20 insertions, 11 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index d854f07ef4d3..645d384fe87e 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -735,17 +735,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
 
-        /* ScatterGather support */
-        netdev->features = NETIF_F_SG;
-        netdev->features |= NETIF_F_IP_CSUM;
-        netdev->features |= NETIF_F_TSO;
+        netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
+        netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
+
         if (NX_IS_REVISION_P3(revision_id)) {
-                netdev->features |= NETIF_F_IPV6_CSUM;
-                netdev->features |= NETIF_F_TSO6;
+                netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
+                netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
         }
 
-        if (adapter->pci_using_dac)
+        if (adapter->pci_using_dac) {
                 netdev->features |= NETIF_F_HIGHDMA;
+                netdev->vlan_features |= NETIF_F_HIGHDMA;
+        }
 
         /*
          * Set the CRB window to invalid. If any register in window 0 is
@@ -1166,6 +1167,14 @@ static bool netxen_tso_check(struct net_device *netdev,
 {
         bool tso = false;
         u8 opcode = TX_ETHER_PKT;
+        __be16 protocol = skb->protocol;
+        u16 flags = 0;
+
+        if (protocol == __constant_htons(ETH_P_8021Q)) {
+                struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data;
+                protocol = vh->h_vlan_encapsulated_proto;
+                flags = FLAGS_VLAN_TAGGED;
+        }
 
         if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
                         skb_shinfo(skb)->gso_size > 0) {
@@ -1174,21 +1183,21 @@ static bool netxen_tso_check(struct net_device *netdev,
                 desc->total_hdr_length =
                         skb_transport_offset(skb) + tcp_hdrlen(skb);
 
-                opcode = (skb->protocol == htons(ETH_P_IPV6)) ?
+                opcode = (protocol == __constant_htons(ETH_P_IPV6)) ?
                                 TX_TCP_LSO6 : TX_TCP_LSO;
                 tso = true;
 
         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
                 u8 l4proto;
 
-                if (skb->protocol == htons(ETH_P_IP)) {
+                if (protocol == __constant_htons(ETH_P_IP)) {
                         l4proto = ip_hdr(skb)->protocol;
 
                         if (l4proto == IPPROTO_TCP)
                                 opcode = TX_TCP_PKT;
                         else if(l4proto == IPPROTO_UDP)
                                 opcode = TX_UDP_PKT;
-                } else if (skb->protocol == htons(ETH_P_IPV6)) {
+                } else if (protocol == __constant_htons(ETH_P_IPV6)) {
                         l4proto = ipv6_hdr(skb)->nexthdr;
 
                         if (l4proto == IPPROTO_TCP)
@@ -1199,7 +1208,7 @@ static bool netxen_tso_check(struct net_device *netdev,
         }
         desc->tcp_hdr_offset = skb_transport_offset(skb);
         desc->ip_hdr_offset = skb_network_offset(skb);
-        netxen_set_tx_flags_opcode(desc, 0, opcode);
+        netxen_set_tx_flags_opcode(desc, flags, opcode);
         return tso;
 }