Rafal Kozik 709b1dcb73 net/ena: fix cleanup for out of order packets
When wrong req_id is detected some previous mbufs could be used for
receiving different segments of received packets. In such cases chained
mbufs will be twice returned to pool.

To prevent it chained mbuf is now freed just after error detection.

To simplify cleaning, pointers taken for Rx ring are set to NULL.

As after ena_rx_queue_release_bufs and ena_tx_queue_release_bufs queues
are not used updating of next_to_clean pointer is not necessary.

Fixes: c2034976673d ("net/ena: add Rx out of order completion")
Cc: stable@dpdk.org

Signed-off-by: Rafal Kozik <rk@semihalf.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
2018-12-21 16:22:40 +01:00
2018-12-19 11:19:10 +01:00
2018-12-21 16:22:40 +01:00
2018-10-27 00:18:06 +02:00
2018-11-26 20:19:24 +01:00
2016-11-13 15:25:12 +01:00
2018-03-21 23:04:21 +01:00
2018-11-30 16:20:33 +00:00
2018-01-04 22:41:38 +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-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 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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