qeth: Fix IP version detection for VLAN traffic
The current code would always return 0 for VLAN-encapsulated IP traffic. One notable side effect was that VLAN traffic would never get prioritized on OSD and OSX devices when priority queueing modes prio_queueing_tos or prio_queueing_prec were enabled. Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -854,8 +854,11 @@ static inline int qeth_get_micros(void)
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static inline int qeth_get_ip_version(struct sk_buff *skb)
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{
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struct ethhdr *ehdr = (struct ethhdr *)skb->data;
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switch (ehdr->h_proto) {
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__be16 *p = &((struct ethhdr *)skb->data)->h_proto;
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if (*p == ETH_P_8021Q)
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p += 2;
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switch (*p) {
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case ETH_P_IPV6:
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return 6;
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case ETH_P_IP:
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