Re: [PATCH net-next v14 01/12] vsock: add netns to vsock core

[Bobby Eshleman <bobbyeshleman@gmail.com>]

On Tue, Jan 13, 2026 at 02:45:32AM -0500, Michael S. Tsirkin wrote:
> On Mon, Jan 12, 2026 at 07:11:10PM -0800, Bobby Eshleman wrote:
> > From: Bobby Eshleman <bobbyeshleman@meta.com>
> > 
> > Add netns logic to vsock core. Additionally, modify transport hook
> > prototypes to be used by later transport-specific patches (e.g.,
> > *_seqpacket_allow()).
> > 
> > Namespaces are supported primarily by changing socket lookup functions
> > (e.g., vsock_find_connected_socket()) to take into account the socket
> > namespace and the namespace mode before considering a candidate socket a
> > "match".
> > 
> > This patch also introduces the sysctl /proc/sys/net/vsock/ns_mode to
> > report the mode and /proc/sys/net/vsock/child_ns_mode to set the mode
> > for new namespaces.
> > 
> > Add netns functionality (initialization, passing to transports, procfs,
> > etc...) to the af_vsock socket layer. Later patches that add netns
> > support to transports depend on this patch.
> > 
> > dgram_allow(), stream_allow(), and seqpacket_allow() callbacks are
> > modified to take a vsk in order to perform logic on namespace modes. In
> > future patches, the net will also be used for socket
> > lookups in these functions.
> > 
> > Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
> > ---
> > Changes in v14:
> > - include linux/sysctl.h in af_vsock.c
> > - squash patch 'vsock: add per-net vsock NS mode state' into this patch
> >   (prior version can be found here):
> >   https://lore.kernel.org/all/20251223-vsock-vmtest-v13-1-9d6db8e7c80b@meta.com/)
> 
> So, about the static port, are you going to address it in
> the next version then?

Yes, just wanted to get the rebase out to unblock review of the
child_ns_mode changes.

I should have mentioned the static port was a known issue and still
under discussion.

- Bobby