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(parent: b7f143d) | patch
s390/qeth: use IQD Multi-Write
authorJulian Wiedmann <jwi@linux.ibm.com>
Thu, 31 Oct 2019 12:42:15 +0000 (13:42 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 31 Oct 2019 19:32:59 +0000 (12:32 -0700)
commit8b664cd127a1e3777e23c8aaa96ba52ef741bb55
tree7df91b4250211f9a683ccb2189602d4e2e195308tree | snapshot
parentb7f143d093e10cd39ae4a22d2f57ac853017f49ecommit | diff
s390/qeth: use IQD Multi-Write

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>
drivers/s390/net/qeth_core.h diff | blob | history
drivers/s390/net/qeth_core_main.c diff | blob | history
Domain: System / Kernel;