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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-04-25 20:55:53 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 01:25:16 -0400
commitea2ae17d6443abddc79480dc9f7af8feacabddc4 (patch)
tree2d6f48a5e4a40f761b5b510af9aac1fca55004cb /drivers/net/cassini.c
parentbadff6d01a8589a1c828b0bf118903ca38627f4e (diff)
[SK_BUFF]: Introduce skb_transport_offset()
For the quite common 'skb->h.raw - skb->data' sequence. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cassini.c')
-rw-r--r--drivers/net/cassini.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 68e37a655fe2..bd3ab6493e39 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -2821,10 +2821,8 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
2821 2821
2822 ctrl = 0; 2822 ctrl = 0;
2823 if (skb->ip_summed == CHECKSUM_PARTIAL) { 2823 if (skb->ip_summed == CHECKSUM_PARTIAL) {
2824 u64 csum_start_off, csum_stuff_off; 2824 const u64 csum_start_off = skb_transport_offset(skb);
2825 2825 const u64 csum_stuff_off = csum_start_off + skb->csum_offset;
2826 csum_start_off = (u64) (skb->h.raw - skb->data);
2827 csum_stuff_off = csum_start_off + skb->csum_offset;
2828 2826
2829 ctrl = TX_DESC_CSUM_EN | 2827 ctrl = TX_DESC_CSUM_EN |
2830 CAS_BASE(TX_DESC_CSUM_START, csum_start_off) | 2828 CAS_BASE(TX_DESC_CSUM_START, csum_start_off) |