s390/qeth: use IQD Multi-Write

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For IQD devices with Multi-Write support, we can defer the queue-flush
further and transmit multiple IO buffers with a single TX doorbell.
The same-target restriction still applies.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Julian Wiedmann 2019-10-31 13:42:15 +01:00 • committed by David S. Miller

parent b7f143d093

commit 8b664cd127

2 changed files with 53 additions and 10 deletions

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9

drivers/s390/net/qeth_core.h

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54

drivers/s390/net/qeth_core_main.c

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