[PATCH] net/netvsc: fix number Tx queues > Rx queues

[Long Li]

> Subject: Re: [PATCH] net/netvsc: fix number Tx queues > Rx queues
> 
> On Thu, 29 Feb 2024 19:29:11 +0000
> Alan Elder <alan.elder at microsoft.com> wrote:
> 
> > The previous code allowed the number of Tx queues to be set higher
> > than the number of Rx queues.  If a packet was sent on a Tx queue with
> > index
> > >= number Rx queues there was a segfault.
> >
> > This commit fixes the issue by creating an Rx queue for every Tx queue
> > meaning that an event buffer is allocated to handle receiving Tx
> > completion messages.
> >
> > mbuf pool and Rx ring are not allocated for these additional Rx queues
> > and RSS configuration ensures that no packets are received on them.
> >
> > Fixes: 4e9c73e96e83 ("net/netvsc: add Hyper-V network device")
> > Cc: sthemmin at microsoft.com
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Alan Elder <alan.elder at microsoft.com>
> 
> Don't have Azure account to test, but looks good to me.
> 
> Acked-by: Stephen Hemminger <stephen at networkplumber.org>

Please hold on while we are discussing this patch internally with its interaction with MANA.

Long