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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-06 10:28:31 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-18 23:22:07 -0400 |
| commit | bc416d9768aa9a2e46eb11354a9c58399dafeb01 (patch) | |
| tree | a3ecf948353d11d199dfb64b0c4302c5b4aaccb6 /drivers/net | |
| parent | f7ba35da583cf6aefba887a8dcf86acec4f3a350 (diff) | |
| download | lwn-bc416d9768aa9a2e46eb11354a9c58399dafeb01.tar.gz lwn-bc416d9768aa9a2e46eb11354a9c58399dafeb01.zip | |
macvlan: handle fragmented multicast frames
Fragmented multicast frames are delivered to a single macvlan port,
because ip defrag logic considers other samples are redundant.
Implement a defrag step before trying to send the multicast frame.
Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/macvlan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 24cf942e1316..a3ce3d4561ed 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -169,6 +169,9 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) port = macvlan_port_get_rcu(skb->dev); if (is_multicast_ether_addr(eth->h_dest)) { + skb = ip_check_defrag(skb, IP_DEFRAG_MACVLAN); + if (!skb) + return RX_HANDLER_CONSUMED; src = macvlan_hash_lookup(port, eth->h_source); if (!src) /* frame comes from an external address */ |