Minstrel Wireless Rate Selection¶
root@davesroof:/sys/kernel/debug/ieee80211/phy0/netdev:wlan0/stations/00:27:22:a8:a3:1a# cat rc_stats
type rate throughput ewma prob this prob this succ/attempt success attempts
HT20/LGI MCS0 3.6 58.0 100.0 0( 0) 306 384
HT20/LGI MCS1 8.8 75.4 19.9 0( 0) 731 1185
HT20/LGI MCS2 5.1 31.0 0.0 0( 0) 1578 2538
HT20/LGI t MCS3 14.4 69.2 100.0 0( 0) 21405 26086
HT20/LGI T PMCS4 27.4 97.6 100.0 0( 0) 153050 185927
HT20/LGI MCS5 14.0 41.4 0.0 0( 0) 1827 4486
HT20/LGI MCS6 0.0 0.0 0.0 0( 0) 10 1426
HT20/LGI MCS7 0.0 0.0 0.0 0( 0) 0 1428
HT20/LGI MCS8 8.4 71.5 100.0 0( 0) 528 784
HT20/LGI MCS9 5.3 25.7 0.0 0( 0) 9196 12302
HT20/LGI MCS10 10.4 37.1 0.0 0( 0) 18929 28297
HT20/LGI MCS11 14.1 41.7 100.0 0( 0) 23875 35908
HT20/LGI MCS12 0.0 0.0 0.0 0( 0) 591 2410
HT20/LGI MCS13 0.0 0.0 0.0 0( 0) 0 1428
HT20/LGI MCS14 0.0 0.0 0.0 0( 0) 0 1433
HT20/LGI MCS15 0.0 0.0 0.0 0( 0) 0 1431
Total packet count:: ideal 217212 lookaround 14954
Average A-MPDU length: 1.0
root@davesroof:/sys/kernel/debug/ieee80211# cd phy0/
root@davesroof:/sys/kernel/debug/ieee80211/phy0# ls
ath9k ht40allow_map netdev:wlan0 reset total_ps_buffered
channel_type hwflags power rts_threshold user_power
fragmentation_threshold keys queues short_retry_limit wep_iv
frequency long_retry_limit rc statistics
root@davesroof:/sys/kernel/debug/ieee80211/phy0# cd ath9k/
root@davesroof:/sys/kernel/debug/ieee80211/phy0/ath9k# ls
base_eeprom dma gpio_led ignore_extcca modal_eeprom qlen_vi regdump reset tx_chainmask
chanbw dump_nfcal gpio_mask interrupt qlen_be qlen_vo regidx rx_chainmask xmit
disable_ani eeprom gpio_val misc qlen_bk recv regval stations
root@davesroof:/sys/kernel/debug/ieee80211/phy0/ath9k# cat xmit
Num-Tx-Queues: 10 tx-queues-setup: 0x10f poll-work-seen: 36206
BE BK VI VO
MPDUs Queued: 27436 174 15066 12730
MPDUs Completed: 27322 174 15062 12708
MPDUs XRetried: 114 0 4 22
Aggregates: 94194 5 0 0
AMPDUs Queued HW: 620975 49 21536 0
AMPDUs Queued SW: 438841 7 0 0
AMPDUs Completed: 1045702 34 6476 0
AMPDUs Retried: 438217 728 413300 0
AMPDUs XRetried: 14114 22 15059 0
FIFO Underrun: 0 0 0 0
TXOP Exceeded: 0 0 0 0
TXTIMER Expiry: 0 0 0 0
DESC CFG Error: 0 0 0 0
DATA Underrun: 0 0 0 0
DELIM Underrun: 0 0 0 0
TX-Pkts-All: 1087252 230 36601 12730
TX-Bytes-All: 712792668 12570 3244394 1330716
hw-put-tx-buf: 1 1 1 1
hw-tx-start: 1430422 953 449902 12730
hw-tx-proc-desc: 1430422 953 449901 12730
TX-Failed: 0 0 0 0
txq-memory-address: 81f1a174 81f1a1f0 81f1a0f8 81f1a07c
axq-qnum: 2 3 1 0
axq-depth: 0 0 1 0
axq-ampdu_depth: 0 0 1 0
axq-stopped 0 0 0 0
tx-in-progress 0 0 0 0
pending-frames 0 0 1 0
txq_headidx: 0 0 0 0
txq_tailidx: 0 0 0 0
axq_q empty: 0 0 0 0
axq_acq empty: 1 1 1 1
txq_fifo[0] empty: 1 1 1 1
txq_fifo[1] empty: 1 1 1 1
txq_fifo[2] empty: 1 1 1 1
txq_fifo[3] empty: 1 1 1 1
txq_fifo[4] empty: 1 1 1 1
txq_fifo[5] empty: 1 1 1 1
txq_fifo[6] empty: 1 1 1 1
txq_fifo[7] empty: 1 1 1 1