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s390/qeth: let isolation mode override HW offload restrictions

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When a device is configured with ISOLATION_MODE_FWD, traffic never goes
through the internal switch. Don't apply the offload restrictions in
this case.

Fixes: c619e9a6f5 ("s390/qeth: don't use restricted offloads for local traffic")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2020-06-17 16:54:53 +02:00 committed by David S. Miller
parent e2dfcfba00
commit 8cebedb643
1 changed files with 4 additions and 2 deletions
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6
drivers/s390/net/qeth_core_main.c
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@ -6837,9 +6837,11 @@ netdev_features_t qeth_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
struct qeth_card *card = dev->ml_priv;
/* Traffic with local next-hop is not eligible for some offloads: */
if (skb->ip_summed == CHECKSUM_PARTIAL) {
struct qeth_card *card = dev->ml_priv;
if (skb->ip_summed == CHECKSUM_PARTIAL &&
card->options.isolation != ISOLATION_MODE_FWD) {
netdev_features_t restricted = 0;
if (skb_is_gso(skb) && !netif_needs_gso(skb, features))