[TCP]: Introduce tcp_hdrlen() and tcp_optlen()

[linux-2.6] / drivers / net / atl1 / atl1_main.c

diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index c26f8ce320e6db74ce27e7bd8c776135808b3667..8d5994751e2ef66e9e606c4de64e3d276cd3ce62 100644 (file)
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -1307,7 +1307,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
 
                        tso->tsopl |= (iph->ihl &
                                CSUM_PARAM_IPHL_MASK) << CSUM_PARAM_IPHL_SHIFT;
-                       tso->tsopl |= ((skb->h.th->doff << 2) &
+                       tso->tsopl |= (tcp_hdrlen(skb) &
                                TSO_PARAM_TCPHDRLEN_MASK) << TSO_PARAM_TCPHDRLEN_SHIFT;
                        tso->tsopl |= (skb_shinfo(skb)->gso_size &
                                TSO_PARAM_MSS_MASK) << TSO_PARAM_MSS_SHIFT;
@@ -1369,8 +1369,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter,
 
        if (tcp_seg) {
                /* TSO/GSO */
-               proto_hdr_len = (skb_transport_offset(skb) +
-                                (skb->h.th->doff << 2));
+               proto_hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
                buffer_info->length = proto_hdr_len;
                page = virt_to_page(skb->data);
                offset = (unsigned long)skb->data & ~PAGE_MASK;
@@ -1563,7 +1562,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if (mss) {
                if (skb->protocol == htons(ETH_P_IP)) {
                        proto_hdr_len = (skb_transport_offset(skb) +
-                                        (skb->h.th->doff << 2));
+                                        tcp_hdrlen(skb));
                        if (unlikely(proto_hdr_len > len)) {
                                dev_kfree_skb_any(skb);
                                return NETDEV_TX_OK;