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

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Message-Id: <20130814.134246.1152657041177088716.davem@davemloft.net>
Date:	Wed, 14 Aug 2013 13:42:46 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	amwang@...hat.com
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

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.

> -
> +#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.

> -#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.
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