netdev - Re: [Patch net-next v4 4/5] vxlan: add scope

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Message-ID: <1366372575.5117.20.camel@cr0>
Date:	Fri, 19 Apr 2013 19:56:15 +0800
From:	Cong Wang <amwang@...hat.com>
To:	David Stevens <dlstevens@...ibm.com>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Stephen Hemminger <stephen@...workplumber.org>
Subject: Re: [Patch net-next v4 4/5] vxlan: add scope_id support for ll addr

On Fri, 2013-04-19 at 07:14 -0400, David Stevens wrote:
> Cong Wang <amwang@...hat.com> wrote on 04/17/2013 01:10:21 AM:
>  
> > diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
> > index 43ed40f..531c5e2 100644
> > --- a/drivers/net/vxlan.c
> > +++ b/drivers/net/vxlan.c
> > @@ -92,9 +92,10 @@ struct vxlan_addr {
> >        struct sockaddr_in6   sin6;
> >        struct sockaddr      sa;
> >     } u;
> > -#define va_sin  u.sin.sin_addr.s_addr
> > -#define va_sin6 u.sin6.sin6_addr
> > -#define va_sa   u.sa.sa_family
> > +#define va_sin      u.sin.sin_addr.s_addr
> > +#define va_sin6      u.sin6.sin6_addr
> > +#define va_scope_id   u.sin6.sin6_scope_id
> > +#define va_sa      u.sa.sa_family
> >  };
> 
>         As I commented before, you're obscuring the types here,
> which makes it less readable. "va_sin6" ought to be a sockaddr_in6,
> not a sin6_addr, and the scope id ought to then be 
> "va_sin6.sin6_scope_id",
> without any other #define necessary for it.

OK, so #define va_sin6  u.sin6?

> 
>         So, no, I don't think this patch is correct or complete.
> 

Then let's defer it, I need more time to make it working. I will discard
the scope_id patch for now, and make a correct one later.

Thanks.

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