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authorFrank Blaschka <frank.blaschka@de.ibm.com>2010-03-08 20:36:54 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-10 07:32:25 -0800
commit21fde749cbf71d03e8cf87a7a9a45349597e138a (patch)
treeffa1ff4a346a9b94b0013d7b45839a82f124e407 /drivers/s390
parentfe7a26257a4191de6047f7e1d38832472eb22f85 (diff)
downloadlinux-21fde749cbf71d03e8cf87a7a9a45349597e138a.tar.gz
qeth: l3 send dhcp in non pass thru mode
dhcp frames are valid IPv4 packets so there is no need to send them in pass thru mode. This allows dhcp packets to pass HiperSockets. Also the dhcp release frame is send out correctly with this patch. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/qeth_core.h3
-rw-r--r--drivers/s390/net/qeth_l3_main.c10
2 files changed, 6 insertions, 7 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index a3ac4456e0b1..fcd005aad989 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -763,7 +763,8 @@ static inline int qeth_get_micros(void)
static inline int qeth_get_ip_version(struct sk_buff *skb)
{
- switch (skb->protocol) {
+ struct ethhdr *ehdr = (struct ethhdr *)skb->data;
+ switch (ehdr->h_proto) {
case ETH_P_IPV6:
return 6;
case ETH_P_IP:
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 5475834ab916..42fe92c08c29 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2900,10 +2900,8 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
int data_offset = -1;
int nr_frags;
- if ((card->info.type == QETH_CARD_TYPE_IQD) &&
- (((skb->protocol != htons(ETH_P_IPV6)) &&
- (skb->protocol != htons(ETH_P_IP))) ||
- card->options.sniffer))
+ if (((card->info.type == QETH_CARD_TYPE_IQD) && (!ipv)) ||
+ card->options.sniffer)
goto tx_drop;
if ((card->state != CARD_STATE_UP) || !card->lan_online) {
@@ -2949,14 +2947,14 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (data_offset < 0)
skb_pull(new_skb, ETH_HLEN);
} else {
- if (new_skb->protocol == htons(ETH_P_IP)) {
+ if (ipv == 4) {
if (card->dev->type == ARPHRD_IEEE802_TR)
skb_pull(new_skb, TR_HLEN);
else
skb_pull(new_skb, ETH_HLEN);
}
- if (new_skb->protocol == ETH_P_IPV6 && card->vlangrp &&
+ if (ipv == 6 && card->vlangrp &&
vlan_tx_tag_present(new_skb)) {
skb_push(new_skb, VLAN_HLEN);
skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4);