Saturday, June 29, 2013

Doing traffic with the Carambola 2..


Now that the port is working, I've started doing some traffic with the carambola 2 board on FreeBSD.

So far, so good:


# athstats
546236       data frames received
509242       data frames transmit
155          tx frames with an alternate rate
14818        short on-chip tx retries
13617        long on-chip tx retries
645          tx failed 'cuz too many retries
MCS7         current transmit rate
2            recv eol interrupts
9            tx frames with no ack marked
506786       tx frames with short preamble
1414         rx failed 'cuz of bad CRC
1543         rx failed 'cuz of PHY err
    12           OFDM restart
    1531         CCK restart
20610        beacons transmitted
71           periodic calibrations
-0/+0        TDMA slot adjust (usecs, smoothed)
24           rssi of last ack
25           avg recv rssi
-96          rx noise floor
2447         tx frames through raw api
39730        A-MPDU sub-frames received
494045       Half-GI frames received
5967         40MHz frames received
8037         CRC errors for non-last A-MPDU subframes
2            CRC errors for last subframe in an A-MPDU
498972       Frames transmitted with HT Protection
3            TX Timeout
177          Number of frames retransmitted in software
15717        A-MPDU sub-frame TX attempt success
177          A-MPDU sub-frame TX attempt failures
1            spur immunity level
4            first step level
128          OFDM weak signal detect
9            CCK weak signal threshold
108          ANI increased spur immunity
105          ANI decrease spur immunity
108          ANI increased first step level
105          ANI decreased first step level
943666       cumulative OFDM phy error count
108574       cumulative CCK phy error count
2            ANI parameters zero'd for non-STA operation
44           ANI forced listen time to zero
44           ANI calculated listen time < 0
13603        missing ACK's
14996        RTS without CTS
504970       successful RTS
34928        bad FCS
Antenna profile:
[0] tx   496835 rx        0
[2] tx        0 rx   546236

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