Re: [Xen-devel] [PATCH v4 06/13] xen/pvcalls: implement bind command

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 21 Sep 2017, Boris Ostrovsky wrote:
> On 09/15/2017 07:00 PM, Stefano Stabellini wrote:
> > Send PVCALLS_BIND to the backend. Introduce a new structure, part of
> > struct sock_mapping, to store information specific to passive sockets.
> > 
> > Introduce a status field to keep track of the status of the passive
> > socket.
> > 
> > Signed-off-by: Stefano Stabellini <stefano@xxxxxxxxxxx>
> > CC: boris.ostrovsky@xxxxxxxxxx
> > CC: jgross@xxxxxxxx
> > ---
> >   drivers/xen/pvcalls-front.c | 68
> > +++++++++++++++++++++++++++++++++++++++++++++
> >   drivers/xen/pvcalls-front.h |  3 ++
> >   2 files changed, 71 insertions(+)
> > 
> > diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
> > index ef511b6..50b6588 100644
> > --- a/drivers/xen/pvcalls-front.c
> > +++ b/drivers/xen/pvcalls-front.c
> > @@ -72,6 +72,13 @@ struct sock_mapping {
> >                             wait_queue_head_t inflight_conn_req;
> >             } active;
> > +           struct {
> > +           /* Socket status */
> > +#define PVCALLS_STATUS_UNINITALIZED  0
> > +#define PVCALLS_STATUS_BIND          1
> > +#define PVCALLS_STATUS_LISTEN        2
> > +                   uint8_t status;
> > +           } passive;
> >     };
> >   };
> >   
> 
> 
> 
> 
> 
> > +   req->u.bind.id = (uint64_t) map;
> 
> Space between cast and variable (this happens in quite a few places)

OK


> > +   memcpy(req->u.bind.addr, addr, sizeof(*addr));
> > +   req->u.bind.len = addr_len;
> > +
> > +   init_waitqueue_head(&map->passive.inflight_accept_req);
> 
> This queue is not introduced until patch 8.

I'll move it to patch 8

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