12/05/2021 16:36, Bing Zhao: > When switching to the Devx interface, the kernel driver behavior may
What do you mean by "switching"? > be different from using Verbs. The Tx loopback cannot work properly > even if the Tx and Rx queues are configured with loopback attribute. > To support self loopback for Tx, a Verbs dummy queue pair needs to > be created to trigger the kernel to enable the loopback. > > This is only required when TIR is created for Rx and loopback is > needed. Only CQ and QP are needed for this case, no WQ(RQ) needs to > be created. > > This requirement comes from bugzilla 312, more details can refer to: It is not 312. > https://bugs.dpdk.org/show_bug.cgi?id=645 You can remove above lines, because the tag below is enough. > > Bugzilla ID: 645 > > Fixes: 6deb19e1b2d2 ("net/mlx5: separate Rx queue object creations") > Cc: sta...@dpdk.org > > Signed-off-by: Bing Zhao <bi...@nvidia.com> > Acked-by: Viacheslav Ovsiienko <viachesl...@nvidia.com>
