Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=54d0f56e63edb1aa3901ea6389bf7ea5d43d0c22
Commit: 54d0f56e63edb1aa3901ea6389bf7ea5d43d0c22
Parent: 6e55cab9f004e6e7a9ab5d7b27fb705ed0de838e
Author: Klaus D. Wacker <[EMAIL PROTECTED]>
AuthorDate: Wed Aug 29 11:26:58 2007 +0200
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri Aug 31 06:52:58 2007 -0400
qeth: Drop ARP packages on HiperSockets interface with NOARP attribute.
A network interface can get ARP packets even when the interface has
NOARP specified. In a HiperSockets environment this disturbs receiving
systems when packets are sent on the multicast queue. (E.g. TCP/IP on
z/VM issues messages reporting invalid data on the HiperSockets
interface.)
Qeth will no longer send ARP packets on HiperSockets interface when
interface has the NOARP attribute.
Signed-off-by: Klaus D. Wacker <[EMAIL PROTECTED]>
Signed-off-by: Ursula Braun <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/s390/net/qeth_main.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 617fbfd..f3e6fbe 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -2505,7 +2505,7 @@ qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card,
struct sk_buff *skb,
struct iphdr *ip_hdr;
QETH_DBF_TEXT(trace,5,"skbfktr");
- skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_TR);
+ skb_set_mac_header(skb, (int)-QETH_FAKE_LL_LEN_TR);
/* this is a fake ethernet header */
fake_hdr = tr_hdr(skb);
@@ -4710,9 +4710,15 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff
*skb)
if (card->info.type != QETH_CARD_TYPE_IQD)
rc = qeth_do_send_packet(card, queue, new_skb, hdr,
elements_needed, ctx);
- else
+ else {
+ if ((skb->protocol == htons(ETH_P_ARP)) &&
+ (card->dev->flags & IFF_NOARP)) {
+ __qeth_free_new_skb(skb, new_skb);
+ return -EPERM;
+ }
rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
elements_needed, ctx);
+ }
if (!rc) {
card->stats.tx_packets++;
card->stats.tx_bytes += tx_bytes;
-
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