ieee802154: 6lowpan: set ackreq when needed
This patch sets the acknowledge request bit inside the 802.15.4 mac header when frame retries is 0 or above. The other frame retries value which is -1 indicates that the transmitter doesn't care about an acknowledge frame which will be ignored after transmitting if the node sends anyway an ack frame after receiving. This is currently unnecessary traffic if the max frame retries parameter is -1. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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