On Thu, May 28, 2015 at 10:22:19AM +0200, Stefan Schmidt wrote: > Hello. > > On 27/05/15 12:12, Alexander Aring wrote: > >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. I hope transceivers > >which supports AACK handling will check on this bit and doesn't send an > >ack frame after receiving. > > Do we know if AACK enbaled receivers really parse this and avoid sending the > ACK? They should but I wonder if you did run any test for this. > I did a test with a running at86rf231 in monitor mode, I don't see ack frames when this isn't set, so AACK handling should take care about this bit. Any other suggestions? I mean this patch makes sense, if we are in a transmit mode that doesn't care about ack frame after transmit, then we don't need to set the ack request bit, or? - Alex -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
