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authorMichal Kubeček <mkubecek@suse.cz>2015-11-24 15:07:11 +0100
committerDavid S. Miller <davem@davemloft.net>2015-11-24 16:45:47 -0500
commit264640fc2c5f4f913db5c73fa3eb1ead2c45e9d7 (patch)
treefe75db704cf20615dd1848aef79301193e1b6c14 /include
parentaeb20b6b3f4e1f88ce6a2802dabc667b607412ef (diff)
ipv6: distinguish frag queues by device for multicast and link-local packets
If a fragmented multicast packet is received on an ethernet device which has an active macvlan on top of it, each fragment is duplicated and received both on the underlying device and the macvlan. If some fragments for macvlan are processed before the whole packet for the underlying device is reassembled, the "overlapping fragments" test in ip6_frag_queue() discards the whole fragment queue. To resolve this, add device ifindex to the search key and require it to match reassembling multicast packets and packets to link-local addresses. Note: similar patch has been already submitted by Yoshifuji Hideaki in http://patchwork.ozlabs.org/patch/220979/ but got lost and forgotten for some reason. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/ipv6.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index e1a10b0ac0b0..ea5a13ef85a6 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -490,6 +490,7 @@ struct ip6_create_arg {
u32 user;
const struct in6_addr *src;
const struct in6_addr *dst;
+ int iif;
u8 ecn;
};