netdev - Re: [Patch net-next] net: sync some IP headers with glibc

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Message-ID: <1376534937.2626.6.camel@cr0>
Date:	Thu, 15 Aug 2013 10:48:57 +0800
From:	Cong Wang <amwang@...hat.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, tmb@...eia.org, libc-alpha@...rceware.org,
	yoshfuji@...ux-ipv6.org, carlos@...hat.com
Subject: Re: [Patch net-next] net: sync some IP headers with glibc

On Wed, 2013-08-14 at 13:42 -0700, David Miller wrote:
> From: Cong Wang <amwang@...hat.com>
> Date: Tue, 13 Aug 2013 16:37:33 +0800
> 
> > @@ -23,31 +23,54 @@
> >  
> >  /* Standard well-defined IP protocols.  */
> >  enum {
> > -  IPPROTO_IP = 0,		/* Dummy protocol for TCP		*/
> > -  IPPROTO_ICMP = 1,		/* Internet Control Message Protocol	*/
> 
> > +  IPPROTO_IP = 0,		/* Dummy protocol for TCP. */
> 
> Please don't do unrelated things like reformat comments, it makes the
> path much harder to audit.

OK.

> 
> > -
> > +#if __UAPI_DEF_IN6_ADDR
> >  struct in6_addr {
> >  	union {
> >  		__u8		u6_addr8[16];
> > +#if __UAPI_DEF_IN6_ADDR
> >  		__be16		u6_addr16[8];
> 
> The same CPP test twice inside of itself, the second test seems
> superfluous.  I bet this second one was supposed to be
> __UAPI_DEF_IN6_ADDR_ALT instead of __UAPI_DEF_IN6_ADDR.

Indeed.

> 
> > -#define IPPROTO_HOPOPTS		0	/* IPv6 hop-by-hop options	*/
> > -#define IPPROTO_ROUTING		43	/* IPv6 routing header		*/
> > -#define IPPROTO_FRAGMENT	44	/* IPv6 fragmentation header	*/
> > -#define IPPROTO_ICMPV6		58	/* ICMPv6			*/
> > -#define IPPROTO_NONE		59	/* IPv6 no next header		*/
> > -#define IPPROTO_DSTOPTS		60	/* IPv6 destination options	*/
> > -#define IPPROTO_MH		135	/* IPv6 mobility header		*/
> > +#if __UAPI_DEF_IPPROTO_V6
> > +enum {
> > +  IPPROTO_HOPOPTS = 0,		/* IPv6 hop-by-hop options      */
> 
> Again, do not reformat things, it's an unrelated change and makes
> this patch harder to review.

Ok.

I will update the patch.

Thanks!

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