diff options
| 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 /net/ipv6/route.c | |
| parent | [IPV6]: ROUTE: Handle finding the next best route in reachability in BACKTRACK(). (diff) | |
| download | linux-dev-ebacaaa0fdf4402cdf4c8e569f54af36b6f0aa2d.tar.xz linux-dev-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 '')
| -rw-r--r-- | net/ipv6/route.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6a068e7f81f1..a7030fed1a18 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -251,8 +251,11 @@ static int rt6_score_route(struct rt6_info *rt, int oif, int m = rt6_check_dev(rt, oif); if (!m && (strict & RT6_SELECT_F_IFACE)) return -1; +#ifdef CONFIG_IPV6_ROUTER_PREF + m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(rt->rt6i_flags)) << 2; +#endif if (rt6_check_neigh(rt)) - m |= 4; + m |= 16; else if (strict & RT6_SELECT_F_REACHABLE) return -1; return m; @@ -1256,7 +1259,8 @@ struct rt6_info *rt6_get_dflt_router(struct in6_addr *addr, struct net_device *d } struct rt6_info *rt6_add_dflt_router(struct in6_addr *gwaddr, - struct net_device *dev) + struct net_device *dev, + unsigned int pref) { struct in6_rtmsg rtmsg; @@ -1264,7 +1268,8 @@ struct rt6_info *rt6_add_dflt_router(struct in6_addr *gwaddr, rtmsg.rtmsg_type = RTMSG_NEWROUTE; ipv6_addr_copy(&rtmsg.rtmsg_gateway, gwaddr); rtmsg.rtmsg_metric = 1024; - rtmsg.rtmsg_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT | RTF_UP | RTF_EXPIRES; + rtmsg.rtmsg_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT | RTF_UP | RTF_EXPIRES | + RTF_PREF(pref); rtmsg.rtmsg_ifindex = dev->ifindex; |