On 06-12-2007 07:31, Mitsuru Chinen wrote: > IPv4 stack doesn't reply any ICMP destination unreachable message > with net unreachable code when IP detagrams are being discarded > because of no route could be found in the forwarding path. > Incidentally, IPv6 stack replies such ICMPv6 message in the similar > situation. > > Signed-off-by: Mitsuru Chinen <[EMAIL PROTECTED]> > --- > net/ipv4/route.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/net/ipv4/route.c b/net/ipv4/route.c > index 6714bbc..ba85ec9 100644 > --- a/net/ipv4/route.c > +++ b/net/ipv4/route.c > @@ -1375,6 +1375,7 @@ static int ip_error(struct sk_buff *skb) > break; > case ENETUNREACH: > code = ICMP_NET_UNREACH; > + IP_INC_STATS_BH(IPSTATS_MIB_INNOROUTES); > break; > case EACCES: > code = ICMP_PKT_FILTERED; > @@ -2004,6 +2005,7 @@ no_route: > RT_CACHE_STAT_INC(in_no_route); > spec_dst = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE); > res.type = RTN_UNREACHABLE; > + err = -ENETUNREACH; > goto local_input; > > /*
This patch seems to be wrong. It overrides err codes from fib_lookup, where such decisions should be made. Regards, Jarek P. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html