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ieee802154: 6lowpan: ensure of sending 1280 packets

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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@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-08-19 19:03:31 +02:00 committed by Marcel Holtmann
parent 6e361d6ffe
commit 685d632804
1 changed files with 1 additions and 1 deletions
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2
net/ieee802154/6lowpan_rtnl.c
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@ -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;