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s390/qeth: don't use restricted offloads for local traffic
authorJulian Wiedmann <jwi@linux.ibm.com>
Wed, 6 May 2020 08:09:44 +0000 (10:09 +0200)
committerDavid S. Miller <davem@davemloft.net>
Wed, 6 May 2020 21:11:26 +0000 (14:11 -0700)
commit73f757b4699b8b6f14267b2eda01d99dcfb0c3ad
treeb9c70fba8860c349e54ec7b0b31756dde2572607tree | snapshot
parenta8df7b43d387eafe8e897b530397c21c3bfd390ccommit | diff
s390/qeth: don't use restricted offloads for local traffic

Current OSA models don't support TSO for traffic to local next-hops, and
some old models didn't offer TX CSO for such packets either.

So as part of .ndo_features_check, check if a packet's next-hop resides
on the same OSA Adapter. Opt out from affected HW offloads accordingly.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/s390/net/qeth_core_main.c diff | blob | history
drivers/s390/net/qeth_l2_main.c diff | blob | history
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