Jan Medala 5e02e19eb1 net/ena: fix unneeded doorbell submission
Avoid submitting doorbell when:
* no packets have been submitted to TX
* no free resources have been submitted while RX

Sending doorbell without actual work to be performed by device
violates ENA specification and can lead to unpredictable behavior.

Fixes: 1173fca25af9 ("ena: add polling-mode driver")

Signed-off-by: Alexander Matushevsky <matua@amazon.com>
Signed-off-by: Jan Medala <jan@semihalf.com>
2016-07-08 23:03:59 +02:00
2016-06-27 16:17:52 +02:00
2016-07-08 22:56:38 +02:00
2016-07-08 17:07:05 +02:00
2016-04-11 23:56:34 +02:00
2016-07-10 14:51:09 +02:00
2013-03-07 10:57:42 +01:00
2013-07-25 14:43:06 +02:00
2014-06-11 00:29:34 +02:00
2015-12-13 22:06:58 +01:00

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD license for the core libraries and
drivers. The kernel components are GPLv2 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org
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