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FS#803 - NL80211_STA_INFO_INACTIVE_TIME incorrect value for IBSS mode with a10k-ct. #5762

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openwrt-bot opened this issue May 25, 2017 · 0 comments
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@openwrt-bot openwrt-bot commented May 25, 2017

klukonin:

  • ar71xx affected
  • latest LEDE trunk affected and may be older versions
  • Steps to reproduce

Buid current LEDE trunk with a10k-ct driver and CT firmware for QCA988x.
Flash devices with firmware.
Create IBSS interface for 2 or more ath10k devices and connect them.

iwinfo shows negative value for last activity. Value is rising. TX traffic can't pass through interface.
All incoming packets come with "unknown" bitrate.

root@LEDE:~# iwinfo mesh5_0 assoclist
84:16:F9:B1:A0:3E -39 dBm / -103 dBm (SNR 64) -230820 ms ago
RX: unknown 794 Pkts.
TX: 6.0 MBit/s 0 Pkts.

root@LEDE:# iwinfo mesh5_0 assoclist
84:16:F9:B1:A0:3E -39 dBm / -103 dBm (SNR 64) -127810 ms ago
RX: unknown 2828 Pkts.
TX: 6.0 MBit/s
0 Pkts.
root@LEDE:
# iwinfo mesh5_0 assoclist
84:16:F9:B1:A0:3E -40 dBm / -103 dBm (SNR 63) -117860 ms ago
RX: unknown 3022 Pkts.
TX: 6.0 MBit/s 0 Pkts.

According to iw output this value is close to th "unsigned long" value limit
root@LEDE:~# iw mesh5_0 station dump
Station 18:a6:f7:3e:b4:de (on mesh5_0)
inactive time: 4294805756 ms
rx bytes: 152352
rx packets: 2208
tx bytes: 0
tx packets: 0
tx retries: 0
tx failed: 0
rx drop misc: 0
signal: -39 dBm
signal avg: -37 dBm
tx bitrate: 6.0 MBit/s
authorized: yes
authenticated: yes
associated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 0
beacon interval:100
short slot time:yes
connected time: 113 seconds

root@LEDE:~# iw mesh5_0 station dump
Station 18:a6:f7:3e:b4:de (on mesh5_0)
inactive time: 4294878176 ms
rx bytes: 250056
rx packets: 3624
tx bytes: 0
tx packets: 0
tx retries: 0
tx failed: 0
rx drop misc: 0
signal: -40 dBm
signal avg: -39 dBm
tx bitrate: 6.0 MBit/s
authorized: yes
authenticated: yes
associated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 0
beacon interval:100
short slot time:yes
connected time: 185 seconds

After some time (3-5 minutes) the value overflows and starting from zero with normal values.

root@LEDE:~# iwinfo mesh5_0 assoclist
84:16:F9:B1:A0:3E -38 dBm / -103 dBm (SNR 65) 80 ms ago
RX: unknown 5732 Pkts.
TX: 6.0 MBit/s 0 Pkts.

root@LEDE:~# iw mesh5_0 station dump
Station 18:a6:f7:3e:b4:de (on mesh5_0)
inactive time: 50 ms
rx bytes: 399372
rx packets: 5788
tx bytes: 0
tx packets: 0
tx retries: 0
tx failed: 0
rx drop misc: 0
signal: -41 dBm
signal avg: -39 dBm
tx bitrate: 6.0 MBit/s
authorized: yes
authenticated: yes
associated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 0
beacon interval:100
short slot time:yes
connected time: 296 seconds

@aparcar aparcar added the packages label Feb 22, 2022
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