Re: [PATCH 0/3] This series contains fixes and improvements to the vhost-user implementation

[Stefano Brivio <sbrivio@redhat.com>]

On Fri,  5 Sep 2025 17:49:32 +0200
Laurent Vivier <lvivier@redhat.com> wrote:

> The first patch fixes a protocol compliance issue where VHOST_USER_GET_QUEUE_NUM
> was incorrectly returning the number of virtqueues instead of queue pairs. The
> vhost-user specification clearly states this should return the maximum number
> of queues supported by the backend. Since each queue consists of an RX/TX pair,
> the correct value is VHOST_USER_MAX_VQS / 2. This patch also renames the
> constant to better reflect its meaning.
> 
> The second and third patches address virtqueue handling in the UDP and TCP
> receive paths. These changes pass the virtqueue pointer explicitly to the
> receive functions, enabling proper queue selection for future multiqueue
> support. This ensures packets are processed on the same virtqueue as the
> caller.
> 
> These changes lay the groundwork for full multiqueue support while fixing
> existing protocol compliance issues.
> 
> Laurent Vivier (3):
>   vhost-user: Fix VHOST_USER_GET_QUEUE_NUM to return number of queues
>   udp_vu: Pass virtqueue pointer to udp_vu_sock_recv()
>   tcp_vu: Pass virtqueue pointer to tcp_vu_sock_recv()

Applied.

-- 
Stefano