linux-kernel - Re: [RFC PATCH v9 06/19] af_vsock: rest of SEQPACKET support

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Date:   Thu, 13 May 2021 13:42:14 +0200
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Arseny Krasnov <arseny.krasnov@...persky.com>
Cc:     Stefan Hajnoczi <stefanha@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jorgen Hansen <jhansen@...are.com>,
        Colin Ian King <colin.king@...onical.com>,
        Andra Paraschiv <andraprs@...zon.com>,
        Norbert Slusarek <nslusarek@....net>, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stsp2@...dex.ru, oxffffaa@...il.com
Subject: Re: [RFC PATCH v9 06/19] af_vsock: rest of SEQPACKET support

On Sat, May 08, 2021 at 07:33:46PM +0300, Arseny Krasnov wrote:
>This does rest of SOCK_SEQPACKET support:
>1) Adds socket ops for SEQPACKET type.
>2) Allows to create socket with SEQPACKET type.
>
>Signed-off-by: Arseny Krasnov <arseny.krasnov@...persky.com>
>Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>

This patch is changed, so usually you should remove the R-b tags.

>---
> include/net/af_vsock.h   |  1 +
> net/vmw_vsock/af_vsock.c | 36 +++++++++++++++++++++++++++++++++++-
> 2 files changed, 36 insertions(+), 1 deletion(-)
>
>diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h
>index 5860027d5173..1747c0b564ef 100644
>--- a/include/net/af_vsock.h
>+++ b/include/net/af_vsock.h
>@@ -140,6 +140,7 @@ struct vsock_transport {
> 				     int flags, bool *msg_ready);
> 	int (*seqpacket_enqueue)(struct vsock_sock *vsk, struct msghdr *msg,
> 				 size_t len);
>+	bool (*seqpacket_allow)(u32 remote_cid);

I'm thinking if it's better to follow .dgram_allow() and .stream_allow(),
specifying also the `port` param, but since it's not used, we can add
later if needed.

So, I think this is fine:

Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>