[IPV6]: ROUTE: Add support for Router Preference (RFC4191).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-03-20 17:04:53 -08:00 committed by David S. Miller
parent 8238dd0698
commit ebacaaa0fd
6 changed files with 49 additions and 7 deletions

View file

@ -27,8 +27,16 @@
#define RTF_FLOW 0x02000000 /* flow significant route */
#define RTF_POLICY 0x04000000 /* policy route */
#define RTF_PREF(pref) ((pref) << 27)
#define RTF_PREF_MASK 0x18000000
#define RTF_LOCAL 0x80000000
#ifdef __KERNEL__
#define IPV6_EXTRACT_PREF(flag) (((flag) & RTF_PREF_MASK) >> 27)
#define IPV6_DECODE_PREF(pref) ((pref) ^ 2) /* 1:low,2:med,3:high */
#endif
struct in6_rtmsg {
struct in6_addr rtmsg_dst;
struct in6_addr rtmsg_src;