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qeth: tagging with VLAN-ID 0

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This patch adapts qeth to handle tagged frames with VLAN-ID 0 and
with or without priority information in the tag. It enables qeth to
receive priority-tagged frames on a base interface, for example from
z/OS, without configuring an additional VLAN interface.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2010-10-01 02:51:13 +00:00
committed by David S. Miller
parent a069ec9174
commit 10651db75a
2 changed files with 15 additions and 14 deletions
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2
drivers/s390/net/qeth_l2_main.c
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@@ -310,6 +310,8 @@ static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
struct qeth_vlan_vid *id;
QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
if (!vid)
return;
if (card->info.type == QETH_CARD_TYPE_OSM) {
QETH_CARD_TEXT(card, 3, "aidOSM");
return;