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authorFrank Blaschka <frank.blaschka@de.ibm.com>2008-04-24 10:15:24 +0200
committerJeff Garzik <jgarzik@redhat.com>2008-04-29 01:56:32 -0400
commitf90b744eb8ead0af7a7aa2f78ff861dff4863f2c (patch)
treed5901d8dbdcb6c3af05a28d00bbc43f961629093 /drivers/s390/net/qeth_l2_main.c
parent3f9975aa4d5b3c614eef8785ec63da13fbd55b51 (diff)
downloadop-kernel-dev-f90b744eb8ead0af7a7aa2f78ff861dff4863f2c.zip
op-kernel-dev-f90b744eb8ead0af7a7aa2f78ff861dff4863f2c.tar.gz
qeth: rework fast path
Remove unnecessary traces. Remove unnecessary wrappers for skb functions. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r--drivers/s390/net/qeth_l2_main.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index e609282..ef07e9c 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -632,8 +632,6 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
struct qeth_eddp_context *ctx = NULL;
- QETH_DBF_TEXT(TRACE, 6, "l2xmit");
-
if ((card->state != CARD_STATE_UP) || !card->lan_online) {
card->stats.tx_carrier_errors++;
goto tx_drop;
@@ -655,9 +653,12 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (card->info.type == QETH_CARD_TYPE_OSN)
hdr = (struct qeth_hdr *)skb->data;
else {
- new_skb = qeth_prepare_skb(card, skb, &hdr);
+ /* create a clone with writeable headroom */
+ new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr));
if (!new_skb)
goto tx_drop;
+ hdr = (struct qeth_hdr *)skb_push(new_skb,
+ sizeof(struct qeth_hdr));
qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
}
@@ -744,7 +745,6 @@ static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev,
int index;
int i;
- QETH_DBF_TEXT(TRACE, 6, "qdinput");
card = (struct qeth_card *) card_ptr;
net_dev = card->dev;
if (card->options.performance_stats) {
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