At Fri, 9 Oct 2015 11:27:36 -0600, David Ahern wrote: > > [1 <text/plain; windows-1252 (7bit)>] > On 10/9/15 1:17 AM, Steffen Klassert wrote: > >>> diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c > >>> index 30caa289c5db..5cedfda4b241 100644 > >>> --- a/net/ipv6/xfrm6_policy.c > >>> +++ b/net/ipv6/xfrm6_policy.c > >>> @@ -37,6 +37,7 @@ static struct dst_entry *xfrm6_dst_lookup(struct net > >>> *net, int tos, int oif, > >>> > >>> memset(&fl6, 0, sizeof(fl6)); > >>> fl6.flowi6_oif = oif; > >>> + fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; > >>> memcpy(&fl6.daddr, daddr, sizeof(fl6.daddr)); > >>> if (saddr) > >>> memcpy(&fl6.saddr, saddr, sizeof(fl6.saddr)); > >> > >> I found that this fix is still not sufficient with the mip6 > >> (Mobile IPv6) use case. > > > > It does not even fix the vti case. The behaviour of the vti devices is > > the same, with and without the patch. > > > > The attached patch applied to Linus' tree works for me. Currently the > above change is not in his tree, so I added it to this patch. Once you > confirm that it works for you I'll create the delta-patch for net and > send out.
I gave it a try but without any luck unfortunately. I may need to look carefully what mip6 does here. the code path where I'm looking at for MH packet (raw socket with IPPROTO_MH) is: #0 ip6_route_output (net=0x7ffff3a40a40 <rumpns_init_net>, sk=0x7ffff30b5c50, fl6=0x7ffff0ed2fe0) at net/ipv6/route.c:1195 #1 0x00007ffff35d155f in ip6_dst_lookup_tail (net=0x7ffff3a40a40 <rumpns_init_net>, sk=0x7ffff30b5c50, dst=0x7ffff0ed2f18, fl6=0x7ffff0ed2fe0) at net/ipv6/ip6_output.c:929 #2 0x00007ffff35d1707 in ip6_dst_lookup_flow (sk=0x7ffff30b5c50, fl6=0x7ffff0ed2fe0, final_dst=0x0) at net/ipv6/ip6_output.c:1024 #3 0x00007ffff36199f7 in rawv6_sendmsg (sk=0x7ffff30b5c50, msg=0x7ffff0ed3320, len=32) at net/ipv6/raw.c:872 #4 0x00007ffff3526d21 in inet_sendmsg (sock=0x7ffff30b5810, msg=0x7ffff0ed3320, size=32) at net/ipv4/af_inet.c:737 #5 0x00007ffff338dc8a in sock_sendmsg_nosec (msg=0x7ffff0ed3320, sock=0x7ffff30b5810) at net/socket.c:610 #6 sock_sendmsg (sock=0x7ffff30b5810, msg=0x7ffff0ed3320) at net/socket.c:620 which (*dst)->error of ip6_route_output gives -22 (EINVAL). I will be back once I got any findings. -- Hajime -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html