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qeth: Exploit Connection Isolation

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Isolate data connection to a shared OSA card against other data
connections to the same OSA card. Connectivity between isolated
data connections sharing the same OSA card is therefore possible only
through external network gear (e.g. a router).

Signed-off-by: Einar Lueck <elelueck@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:
Einar Lueck
2009-11-12 00:11:41 +00:00
committed by David S. Miller
parent b9f5d52670
commit d64ecc22d0
6 changed files with 267 additions and 12 deletions
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2
drivers/s390/net/qeth_l2_main.c
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@@ -988,6 +988,8 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
card->lan_online = 1;
if (card->info.type != QETH_CARD_TYPE_OSN) {
/* configure isolation level */
qeth_set_access_ctrl_online(card);
qeth_set_large_send(card, card->options.large_send);
qeth_l2_process_vlans(card, 0);
}