netxen: enable tso6, intr coalescing.

[linux-2.6-omap-h63xx.git] / drivers / net / netxen / netxen_nic_main.c

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index b3c084f0c751478e3887730bc123d557a1763a56..91d209a8f6cb8e4997b74f2454bdec94c62b2545 100644 (file)
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -58,10 +58,6 @@ static int use_msi = 1;
 
 static int use_msi_x = 1;
 
-#define NETXEN_NETDEV_WEIGHT 120
-#define NETXEN_ADAPTER_UP_MAGIC 777
-#define NETXEN_NIC_PEG_TUNE 0
-
 /* Local functions to NetXen NIC driver */
 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
                const struct pci_device_id *ent);
@@ -735,8 +731,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        netdev->features = NETIF_F_SG;
        netdev->features |= NETIF_F_IP_CSUM;
        netdev->features |= NETIF_F_TSO;
-       if (NX_IS_REVISION_P3(revision_id))
+       if (NX_IS_REVISION_P3(revision_id)) {
+               netdev->features |= NETIF_F_IPV6_CSUM;
                netdev->features |= NETIF_F_TSO6;
+       }
 
        if (adapter->pci_using_dac)
                netdev->features |= NETIF_F_HIGHDMA;
@@ -1164,6 +1162,31 @@ static int netxen_nic_close(struct net_device *netdev)
        return 0;
 }
 
+void netxen_tso_check(struct netxen_adapter *adapter,
+                     struct cmd_desc_type0 *desc, struct sk_buff *skb)
+{
+       if (desc->mss) {
+               desc->total_hdr_length = (sizeof(struct ethhdr) +
+                                         ip_hdrlen(skb) + tcp_hdrlen(skb));
+
+               if ((NX_IS_REVISION_P3(adapter->ahw.revision_id)) &&
+                               (skb->protocol == htons(ETH_P_IPV6)))
+                       netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO6);
+               else
+                       netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
+
+       } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+               if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+                       netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
+               else if (ip_hdr(skb)->protocol == IPPROTO_UDP)
+                       netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
+               else
+                       return;
+       }
+       desc->tcp_hdr_offset = skb_transport_offset(skb);
+       desc->ip_hdr_offset = skb_network_offset(skb);
+}
+
 static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 {
        struct netxen_adapter *adapter = netdev_priv(netdev);
@@ -1185,7 +1208,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 
        /* There 4 fragments per descriptor */
        no_of_desc = (frag_count + 3) >> 2;
-       if (netdev->features & NETIF_F_TSO) {
+       if (netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) {
                if (skb_shinfo(skb)->gso_size > 0) {
 
                        no_of_desc++;
@@ -1212,7 +1235,8 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
        /* Take skb->data itself */
        pbuf = &adapter->cmd_buf_arr[producer];
-       if ((netdev->features & NETIF_F_TSO) && skb_shinfo(skb)->gso_size > 0) {
+       if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
+                       skb_shinfo(skb)->gso_size > 0) {
                pbuf->mss = skb_shinfo(skb)->gso_size;
                hwdesc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
        } else {