qeth: No large send using EDDP for HiperSockets.
From: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
The device driver qeth dos not support large send using EDDP for
HiperSockets.
Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 4a2ac0c..6811dd5 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -287,8 +287,15 @@
card->options.large_send = type;
switch (card->options.large_send) {
case QETH_LARGE_SEND_EDDP:
- card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
+ if (card->info.type != QETH_CARD_TYPE_IQD) {
+ card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
NETIF_F_HW_CSUM;
+ } else {
+ card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
+ NETIF_F_HW_CSUM);
+ card->options.large_send = QETH_LARGE_SEND_NO;
+ rc = -EOPNOTSUPP;
+ }
break;
case QETH_LARGE_SEND_TSO:
if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {