wifi: ath12k: Attempting MLO with main (6.15.rc7) for NCM865 / WCN7850 in station mode leads to crash/backtrace

[Benjamin Eggerstedt]

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