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Commit dae84c8e authored by Thomas Richter's avatar Thomas Richter Committed by David S. Miller
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s390/qeth: display warning for OSA3 RX/TX checksum offloading



When RX/TX checksum offloading is turned on and the adapter is
an OSA 3 card in layer 3 mode, the checksum offloading is only
performed when both peers use different adapters. If both peers
share an OSA 3 card, communication is a memory copy and
checksum offloading is not performed.

This patch adds a warning to inform the administrator.

OSA 3 in layer 2 mode does not offer the RX/TX checksum
offload feature.

Signed-off-by: default avatarThomas Richter <tmricht@linux.vnet.ibm.com>
Reviewed-by: default avatarJulian Wiedmann <jwi@linux.vnet.ibm.com>
Reviewed-by: default avatarUrsula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f9d8e6dc
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