Larry Finger wrote: > When my BCM4312 (ID 4315) runs in auto rate mode, the rate stays at > 1Mb/s. If I manually set the rate, I see a tcpperf throughput ~1/2 the > rate that I set through a rate of 12 Mb/s. At 36 Mb/s, the rate is > best at 15.7 Mb/s. Why does mistrel not increase the rate? > > The output of /sys/..../rc_stats is: > > finger@larrylap:~> cat > /sys/kernel/debug/ieee80211/phy0/stations/00:14:bf:85:49:fa/rc_stats > rate throughput ewma prob this prob this succ/attempt > success attempts > 1 0.9 99.1 100.0 0( 0) 3244 > 3282 > 2 1.8 95.7 100.0 0( 0) 12 > 12 > 5.5 4.8 95.7 100.0 0( 0) 12 > 12 > 11 9.2 96.8 100.0 0( 0) 12 > 12 > P 6 5.6 99.9 100.0 0( 0) 58 > 58 > 9 8.0 95.7 100.0 0( 0) 11 > 11 > 12 10.6 95.7 100.0 0( 0) 12 > 12 > 18 15.7 96.6 100.0 0( 0) 14 > 15 > 24 20.3 95.7 100.0 0( 0) 11 > 11 > 36 29.0 95.4 94.5 0( 0) 1602 > 1670 > T 48 38.7 99.2 100.0 1( 1) 32147 > 37752 > t 54 32.9 75.9 100.0 0( 0) 8775 > 12788 > > Total packet count:: ideal 2570 lookaround 135 Was this dump made after you played with manual rate settings? If so, please make a new one that only contains stats of what it tried with automatic rate setting enabled. - Felix -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
