renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-11-20 08:38:24 +08:00
Code

s390: qeth: wrong packet length in qdio header

Browse Source 
Packets Length in qdio header is broken when using
EDDP on Layer2 devices. This leads to skb_under_panic on receiver
system when running on z/VM GuestLAN devices.

Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Frank Pavlic 2007-06-20 12:59:14 +02:00 committed by Jeff Garzik
parent add3f2fa7a
commit cd3e76ebcb
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/s390/net/qeth_eddp.c
View File

@ -424,8 +424,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
/* prepare qdio hdr */ /* prepare qdio hdr */
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2){ if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2){
eddp->qh.hdr.l2.pkt_length = data_len + ETH_HLEN + eddp->qh.hdr.l2.pkt_length = data_len + ETH_HLEN +
eddp->nhl + eddp->thl - eddp->nhl + eddp->thl;
sizeof(struct qeth_hdr);
#ifdef CONFIG_QETH_VLAN #ifdef CONFIG_QETH_VLAN
if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q))
eddp->qh.hdr.l2.pkt_length += VLAN_HLEN; eddp->qh.hdr.l2.pkt_length += VLAN_HLEN;