[ovs-build] Passed: ovsrobot/ovs#3495 (series_227877 - f84425a)
builds at travis-ci.com
Wed Feb 3 22:15:00 UTC 2021
Build Update for ovsrobot/ovs
Duration: 20 mins and 3 secs
Commit: f84425a (series_227877)
Author: William Tu
Message: netdev-afxdp: Add start qid support.
Mellanox card has different XSK design. It requires users to create
dedicated queues for XSK. Unlike Intel's NIC which loads XDP program
to all queues, Mellanox only loads XDP program to a subset of its queue.
When OVS uses AF_XDP with mlx5, it doesn't replace the existing RX and TX
queues in the channel with XSK RX and XSK TX queues, but it creates an
additional pair of queues for XSK in that channel. To distinguish
regular and XSK queues, mlx5 uses a different range of qids.
That means, if the card has 24 queues, queues 0..11 correspond to
regular queues, and queues 12..23 are XSK queues.
In this case, we should attach the netdev-afxdp with 'start-qid=12'.
I tested using Mellanox Connect-X 6Dx, by setting 'start-qid=1', and:
$ ethtool -L enp2s0f0np0 combined 1
# queue 0 is for non-XDP traffic, queue 1 is for XSK
$ ethtool -N enp2s0f0np0 flow-type udp4 action 1
note: we need additionally add flow-redirect rule to queue 1
Signed-off-by: William Tu <u9012063 at gmail.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>
View the changeset: https://github.com/ovsrobot/ovs/commit/f84425a37aee
View the full build log and details: https://travis-ci.com/github/ovsrobot/ovs/builds/215984985?utm_medium=notification&utm_source=email
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