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ipv6: fix redefinition of in6_pktinfo and ip6_mtuinfo

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Both netinet/in.h and linux/ipv6.h define these two structs,
if we include both of them, we got:

	/usr/include/linux/ipv6.h:19:8: error: redefinition of ‘struct in6_pktinfo’
	 struct in6_pktinfo {
		^
	In file included from /usr/include/arpa/inet.h:22:0,
			 from txtimestamp.c:33:
	/usr/include/netinet/in.h:524:8: note: originally defined here
	 struct in6_pktinfo
		^
	In file included from txtimestamp.c:40:0:
	/usr/include/linux/ipv6.h:24:8: error: redefinition of ‘struct ip6_mtuinfo’
	 struct ip6_mtuinfo {
		^
	In file included from /usr/include/arpa/inet.h:22:0,
			 from txtimestamp.c:33:
	/usr/include/netinet/in.h:531:8: note: originally defined here
	 struct ip6_mtuinfo
		^
So similarly to what we did for in6_addr, we need to sync with
libc header on their definitions.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong 2015-01-06 15:45:31 -08:00 • committed by David S. Miller
parent 44d84d7272
commit 3b50d90298
2 changed files with 10 additions and 1 deletions
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5
include/uapi/linux/ipv6.h
View file

@ -15,16 +15,19 @@
* *under construction* * *under construction*
*/ */
#if __UAPI_DEF_IN6_PKTINFO
struct in6_pktinfo { struct in6_pktinfo {
struct in6_addr ipi6_addr; struct in6_addr ipi6_addr;
int ipi6_ifindex; int ipi6_ifindex;
}; };
#endif
#if __UAPI_DEF_IP6_MTUINFO
struct ip6_mtuinfo { struct ip6_mtuinfo {
struct sockaddr_in6 ip6m_addr; struct sockaddr_in6 ip6m_addr;
__u32 ip6m_mtu; __u32 ip6m_mtu;
}; };
#endif
struct in6_ifreq { struct in6_ifreq {
struct in6_addr ifr6_addr; struct in6_addr ifr6_addr;

6
include/uapi/linux/libc-compat.h
View file

@ -70,6 +70,8 @@
#define __UAPI_DEF_IPV6_MREQ 0 #define __UAPI_DEF_IPV6_MREQ 0
#define __UAPI_DEF_IPPROTO_V6 0 #define __UAPI_DEF_IPPROTO_V6 0
#define __UAPI_DEF_IPV6_OPTIONS 0 #define __UAPI_DEF_IPV6_OPTIONS 0
#define __UAPI_DEF_IN6_PKTINFO 0
#define __UAPI_DEF_IP6_MTUINFO 0
#else #else
@ -84,6 +86,8 @@
#define __UAPI_DEF_IPV6_MREQ 1 #define __UAPI_DEF_IPV6_MREQ 1
#define __UAPI_DEF_IPPROTO_V6 1 #define __UAPI_DEF_IPPROTO_V6 1
#define __UAPI_DEF_IPV6_OPTIONS 1 #define __UAPI_DEF_IPV6_OPTIONS 1
#define __UAPI_DEF_IN6_PKTINFO 1
#define __UAPI_DEF_IP6_MTUINFO 1
#endif /* _NETINET_IN_H */ #endif /* _NETINET_IN_H */
@ -106,6 +110,8 @@
#define __UAPI_DEF_IPV6_MREQ 1 #define __UAPI_DEF_IPV6_MREQ 1
#define __UAPI_DEF_IPPROTO_V6 1 #define __UAPI_DEF_IPPROTO_V6 1
#define __UAPI_DEF_IPV6_OPTIONS 1 #define __UAPI_DEF_IPV6_OPTIONS 1
#define __UAPI_DEF_IN6_PKTINFO 1
#define __UAPI_DEF_IP6_MTUINFO 1
/* Definitions for xattr.h */ /* Definitions for xattr.h */
#define __UAPI_DEF_XATTR 1 #define __UAPI_DEF_XATTR 1