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linux-sg2042
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ipv6: export IP6_RT_PRIO_* to userland 

The kernel uses some default metric when routes are managed. For example, a
static route added with a metric set to 0 is inserted in the kernel with
metric 1024 (IP6_RT_PRIO_USER).
It is useful for routing daemons to know these values, to be able to set routes
without interfering with what the kernel does.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2012-11-05 05:28:18 +00:00 committed by David S. Miller
parent d4d0d3557b
commit 130cd273d4
2 changed files with 3 additions and 3 deletions
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3
include/net/ip6_route.h
View File

@ -1,9 +1,6 @@
#ifndef _NET_IP6_ROUTE_H #ifndef _NET_IP6_ROUTE_H
#define _NET_IP6_ROUTE_H #define _NET_IP6_ROUTE_H
#define IP6_RT_PRIO_USER 1024
#define IP6_RT_PRIO_ADDRCONF 256
struct route_info { struct route_info {
__u8 type; __u8 type;
__u8 length; __u8 length;

3
include/uapi/linux/ipv6_route.h
View File

@ -55,4 +55,7 @@ struct in6_rtmsg {
#define RTMSG_NEWROUTE 0x21 #define RTMSG_NEWROUTE 0x21
#define RTMSG_DELROUTE 0x22 #define RTMSG_DELROUTE 0x22
#define IP6_RT_PRIO_USER 1024
#define IP6_RT_PRIO_ADDRCONF 256
#endif /* _UAPI_LINUX_IPV6_ROUTE_H */ #endif /* _UAPI_LINUX_IPV6_ROUTE_H */