This patch changes the 1281 MTU to 1280. Others stack have only a 1280 byte array for uncompressed 6LoWPAN packets, this avoid that these stacks have an overflow. Sending 1281 uncompressed 6LoWPAN packets isn't also rfc complaint. Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx> --- net/ieee802154/6lowpan_rtnl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c index 71fa7d4..6591d27 100644 --- a/net/ieee802154/6lowpan_rtnl.c +++ b/net/ieee802154/6lowpan_rtnl.c @@ -437,7 +437,7 @@ static void lowpan_setup(struct net_device *dev) /* Frame Control + Sequence Number + Address fields + Security Header */ dev->hard_header_len = 2 + 1 + 20 + 14; dev->needed_tailroom = 2; /* FCS */ - dev->mtu = 1281; + dev->mtu = IPV6_MIN_MTU; dev->tx_queue_len = 0; dev->flags = IFF_BROADCAST | IFF_MULTICAST; dev->watchdog_timeo = 0; -- 2.0.3 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html