diff options
| author |   YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2006-03-20 17:07:03 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2006-03-20 17:07:03 -0800 |
| commit | 09c884d4c3b45cda904c2291d4723074ff523611 (patch) | |
| tree | 90b893f1b83165d7088ecdead94085969e0a58ef /net/ipv6/ndisc.c | |
| parent | [IPV6]: ROUTE: Flag RTF_DEFAULT for Route Infomation for ::/0. (diff) | |
| download | linux-dev-09c884d4c3b45cda904c2291d4723074ff523611.tar.xz linux-dev-09c884d4c3b45cda904c2291d4723074ff523611.zip | |
[IPV6]: ROUTE: Add accept_ra_rt_info_max_plen sysctl.
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/ndisc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 1f6256909674..dfa20d3be9b6 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1214,11 +1214,13 @@ skip_defrtr: } #ifdef CONFIG_IPV6_ROUTE_INFO - if (ndopts.nd_opts_ri) { + if (in6_dev->cnf.accept_ra_rtr_pref && ndopts.nd_opts_ri) { struct nd_opt_hdr *p; for (p = ndopts.nd_opts_ri; p; p = ndisc_next_option(p, ndopts.nd_opts_ri_end)) { + if (((struct route_info *)p)->prefix_len > in6_dev->cnf.accept_ra_rt_info_max_plen) + continue; rt6_route_rcv(skb->dev, (u8*)p, (p->nd_opt_len) << 3, &skb->nh.ipv6h->saddr); } |