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Commit 685d6328 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
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ieee802154: 6lowpan: ensure of sending 1280 packets 



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: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 6e361d6f

net/ieee802154/6lowpan_rtnl.c

+1 −1
Original line number Diff line number Diff line
@@ -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;