[SK_BUFF]: Introduce ipv6_hdr(), remove skb->nh.ipv6h

Now the skb->nh union has just one member, .raw, i.e. it is just like the
skb->mac union, strange, no? I'm just leaving it like that till the transport
layer is done with, when we'll rename skb->mac.raw to skb->mac_header (or
->mac_header_offset?), ditto for ->{h,nh}.

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 1574247..90da58b 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -479,9 +479,11 @@
 						  skb->h.raw,
 						  skb->h.th->doff * 4);
 	else
-		eddp = qeth_eddp_create_eddp_data(qhdr, (u8 *)skb->nh.ipv6h,
-				sizeof(struct ipv6hdr),
-				(u8 *)skb->h.th, skb->h.th->doff*4);
+		eddp = qeth_eddp_create_eddp_data(qhdr,
+						  skb_network_header(skb),
+						  sizeof(struct ipv6hdr),
+						  skb->h.raw,
+						  skb->h.th->doff * 4);
 
 	if (eddp == NULL) {
 		QETH_DBF_TEXT(trace, 2, "eddpfcnm");