wifi: ath12k: Attempting MLO with main (6.15.rc7) for NCM865 / WCN7850 in station mode leads to crash/backtrace
Benjamin Eggerstedt
benjamin.eggerstedt at gmail.com
Tue Jun 24 13:24:25 PDT 2025
Dear Lingbo & team,
> > Should I see EMLSR support?
> > I noticed that “iw” output no longer has a TX nor RX Rate:
Indeed I can see the TX and RX rate again with the patches you kindly suggested.
The signal at -128 dBm would still be incorrect.
I still cannot see support for EMLSR, although the corresponding patches are part of v6.16.rc1 (ath-current-20250617)
debadm at debian:~$ sudo iw dev wlp3s0 station dump Station
Station 88:3c:93:01:ce:40 (on wlp3s0)
inactive time: 22360 ms
rx bytes: 2533534
rx packets: 9680
tx bytes: 4459
tx packets: 37
tx retries: 0
tx failed: 0
beacon loss: 0
beacon rx: 0
rx drop misc: 15
signal: -128 dBm
signal avg: 0 dBm
beacon signal avg: 0 dBm
tx bitrate: 1441.1 MBit/s 80MHz EHT-MCS 13 EHT-NSS 2 EHT-GI 0
tx duration: 0 us
rx bitrate: 960.7 MBit/s 80MHz EHT-MCS 9 EHT-NSS 2 EHT-GI 0
rx duration: 0 us
authorized: yes
authenticated: yes
associated: yes
preamble: long
WMM/WME: yes
MFP: yes
TDLS peer: no
DTIM period: 0
beacon interval:0
connected time: 505 seconds
associated at [boottime]: 161.391s
associated at: 1750795842112 ms
current time: 1750796347204 ms
Corresponding output from AP side (5 GHz in this association).
Please note how EMLSR is still being reported as “No”.
==== STA Info From Link: ath101 =======
ADDR AID CHAN TXRATE RXRATE RSSI MINRSSI MAXRSSI IDLE TXSEQ RXSEQ CAPS XCAPS ACAPS ERP STATE MAXRATE(DOT11) HTCAPS VHTCAPS ASSOCTIME IEs MODE RXNSS TXNSS PSMODE
b6:b9:b8:5a:a2:05 4 100 960M 1441M -29 -36 -22 11 0 65535 P EWBQ NULL 0 b 1441200 AWRSM 1gGTRs 00:08:15 RSN WME IEEE80211_MODE_11BEA_EHT80 2 2 0
RSSI is combined over chains in dBm
Minimum Tx Power : 0
Maximum Tx Power : 30
HT Capability : Yes
VHT Capability : Yes
MU capable : Yes
SNR : 66
Operating band : 5GHz
Current Operating class : 128
Supported Operating classes : 81 83 84 115 116 117 118 119 120 121 122 123 124 125 126 127 128 131 132 133 134 137 130 128 135 133
Supported Rates(Mbps) : 6 9 12 18 24 36 48 54
Max STA phymode : IEEE80211_MODE_11BEA_EHT80
MLO : Yes
MLD Addr : 50:cf:14:8e:e3:d1
Num Partner links : 2
Partner link 0: ADDR :f2:0a:ab:8a:78:12, Link ID: 0 Bridge link: 0
Partner link 1: ADDR :da:8a:5e:b9:f8:69, Link ID: 2 Bridge link: 0
EMLSR capable : No
EMLMR capable : No
STR capable : Yes
Thanks,
Regards,
Benny
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