Re: [PATCH net-next v4 02/12] vsock: read from socket's error queue

[Stefano Garzarella]

On Tue, Oct 10, 2023 at 10:15:14PM +0300, Arseniy Krasnov wrote:
> This adds handling of MSG_ERRQUEUE input flag in receive call. This flag
> is used to read socket's error queue instead of data queue. Possible
> scenario of error queue usage is receiving completions for transmission
> with MSG_ZEROCOPY flag. This patch also adds new defines: 'SOL_VSOCK'
> and 'VSOCK_RECVERR'.
>
> Signed-off-by: Arseniy Krasnov <avkrasnov@xxxxxxxxxxxxxxxxx>
> ---
> Changelog:
> v1 -> v2:
>  * Place new defines for userspace to the existing file 'vm_sockets.h'
>    instead of creating new one.
> v2 -> v3:
>  * Add comments to describe 'SOL_VSOCK' and 'VSOCK_RECVERR' in the file
>    'vm_sockets.h'.
>  * Reorder includes in 'af_vsock.c' in alphabetical order.
> v3 -> v4:
>  * Update comments for 'SOL_VSOCK' and 'VSOCK_RECVERR' by adding more
>    details.
>
> include/linux/socket.h          |  1 +
> include/uapi/linux/vm_sockets.h | 17 +++++++++++++++++
> net/vmw_vsock/af_vsock.c        |  6 ++++++
> 3 files changed, 24 insertions(+)

Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>