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| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2006-03-20 17:04:53 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 17:04:53 -0800 |
| commit | ebacaaa0fdf4402cdf4c8e569f54af36b6f0aa2d (patch) | |
| tree | 5d1cc0c6d94b5226507434bb86e6e2a69fdd4204 /include/linux/icmpv6.h | |
| parent | 8238dd0698b480e432acd955c45f9f907b8d27de (diff) | |
| download | linux-ebacaaa0fdf4402cdf4c8e569f54af36b6f0aa2d.tar.gz linux-ebacaaa0fdf4402cdf4c8e569f54af36b6f0aa2d.tar.bz2 linux-ebacaaa0fdf4402cdf4c8e569f54af36b6f0aa2d.zip | |
[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>
Diffstat (limited to 'include/linux/icmpv6.h')
| -rw-r--r-- | include/linux/icmpv6.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h index 0cf6c8b12caf..c771a7db9871 100644 --- a/include/linux/icmpv6.h +++ b/include/linux/icmpv6.h @@ -40,14 +40,16 @@ struct icmp6hdr { struct icmpv6_nd_ra { __u8 hop_limit; #if defined(__LITTLE_ENDIAN_BITFIELD) - __u8 reserved:6, + __u8 reserved:4, + router_pref:2, other:1, managed:1; #elif defined(__BIG_ENDIAN_BITFIELD) __u8 managed:1, other:1, - reserved:6; + router_pref:2, + reserved:4; #else #error "Please fix <asm/byteorder.h>" #endif @@ -70,8 +72,13 @@ struct icmp6hdr { #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime +#define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref }; +#define ICMPV6_ROUTER_PREF_LOW 0x3 +#define ICMPV6_ROUTER_PREF_MEDIUM 0x0 +#define ICMPV6_ROUTER_PREF_HIGH 0x1 +#define ICMPV6_ROUTER_PREF_INVALID 0x2 #define ICMPV6_DEST_UNREACH 1 #define ICMPV6_PKT_TOOBIG 2 |