[TCP]: Introduce tcp_hdrlen() and tcp_optlen()
The ip_hdrlen() buddy, created to reduce the number of skb->h.th-> uses and to
avoid the longer, open coded equivalent.
Ditched a no-op in bnx2 in the process.
I wonder if we should have a BUG_ON(skb->h.th->doff < 5) in tcp_optlen()...
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index 90da58b..273f174 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -477,13 +477,13 @@
skb_network_header(skb),
ip_hdrlen(skb),
skb->h.raw,
- skb->h.th->doff * 4);
+ tcp_hdrlen(skb));
else
eddp = qeth_eddp_create_eddp_data(qhdr,
skb_network_header(skb),
sizeof(struct ipv6hdr),
skb->h.raw,
- skb->h.th->doff * 4);
+ tcp_hdrlen(skb));
if (eddp == NULL) {
QETH_DBF_TEXT(trace, 2, "eddpfcnm");
@@ -596,11 +596,11 @@
ctx = qeth_eddp_create_context_generic(card, skb,
(sizeof(struct qeth_hdr) +
ip_hdrlen(skb) +
- skb->h.th->doff * 4));
+ tcp_hdrlen(skb)));
else if (skb->protocol == htons(ETH_P_IPV6))
ctx = qeth_eddp_create_context_generic(card, skb,
sizeof(struct qeth_hdr) + sizeof(struct ipv6hdr) +
- skb->h.th->doff*4);
+ tcp_hdrlen(skb));
else
QETH_DBF_TEXT(trace, 2, "cetcpinv");