Date: Thu, 10 Oct 2013 13:33:39 -0400 From: Ramanujan Seshadri <ksramanujan@gmail.com> To: freebsd-wireless@freebsd.org Subject: Ralink RT2860 frame aggregation Message-ID: <CAK=C58JAPM2Y2htMy7hv4g9nZOP0ZT-JvKDtgRNhpcX00Ub5ug@mail.gmail.com>
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Hello all, i was testing some features of ralink rt2860 driver. i saw a bit weird results. below is the result of what i saw. The throughput achieved doesn't change much when the MPDU aggregation in an AMPDU goes from 3 to 8. And also, the driver doesn't seem to aggregate more than 8 MPDU's in an AMPDU even when the BA win size is set to max of 64. i was testing this by fixing the rate at MCS 15 Is there anything else i need to do to force the driver to aggregate more MPDU's in an AMPDU ? BA Win Size No. of MPDU's Throughput(Mbps) aggregated 1. 64 7-8 85.7 2. 32 6-7 84.2 3. 16 6-7 81.7 4. 8 6-7 79.9 5. 4 5 84.7 6. 2 3 71.8 7. 1 2 73.5 Thanks ram
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