On 04/14/2016 01:20 AM, Laur Joost wrote: > 1. The sequence of the packets is important. It would be rather bad if > two bunches of samples in your IQ stream suddenly switched places. > 2. The host PC network stack does no reordering. It can't, by definition > of UDP, as there's nothing to reorder by. > 3. AFAIK, the UHD also does no reordering. However, the packets arriving > from the USRP __are__ numbered. If UHD detects a missing packet, it* > prints a D (to signify a Dropped packet) to stdout, and emits a new > rx_time tag for the next packet. > > * Actually, I don't know whether that's UHD or gr-uhd that does this.
It's UHD. For swapped packets, it would actually print 3 D's: Packet sequence: 1 3 2 4 - receives 1 => OK - receives 3 => Assumes packet was dropped, expected 2. Print D - receives 2 => Whaaa...? Expected 4. Prints D. - receives 4 => looks like packet 3 was dropped. Print D. M _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
