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Re: [PATCH] wifi: ath11k: allow APs combination when dual stations are supported

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On 12/3/2024 5:48 PM, Jose Ignacio Tornos Martinez wrote:
Which chip do you use?
Since I am not totally sure about the useful information, let me show you
the kernel logs:
$ dmesg | grep ath11k
[    3.659388] ath11k_pci 0000:01:00.0: BAR 0 [mem 0x84200000-0x843fffff 64bit]: assigned
[    3.659405] ath11k_pci 0000:01:00.0: enabling device (0000 -> 0002)
[    3.659649] ath11k_pci 0000:01:00.0: MSI vectors: 32
[    3.659653] ath11k_pci 0000:01:00.0: wcn6855 hw2.1
[    4.871571] ath11k_pci 0000:01:00.0: chip_id 0x2 chip_family 0xb board_id 0xff soc_id 0x400c0210
[    4.871586] ath11k_pci 0000:01:00.0: fw_version 0x11088c35 fw_build_timestamp 2024-04-17 08:34 fw_build_id WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41
[    5.241485] ath11k_pci 0000:01:00.0 wlp1s0: renamed from wlan0

yes, you also use wcn6855 hw2.1.
If I try to setup 2 APs with your interface combination I get this:
# iw list | grep -A6 "valid interface combinations:"
	valid interface combinations:
		 * #{ managed } <= 2, #{ AP, P2P-client, P2P-GO } <= 16, #{ P2P-device } <= 1,
		   total <= 16, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz, 80 MHz, 80+80 MHz, 160 MHz }

		 * #{ managed } <= 2, #{ AP, P2P-client, P2P-GO } <= 16, #{ P2P-device } <= 1,
		   total <= 3, #channels <= 2, STA/AP BI must match
	HT Capability overrides:
2 combinations are to support DBS and DFS.
Combinations is correct. channels=2, max interfaces=3.

And you want setup sta + sap + sap, right?
When up the second sap will meet error? Could you pls share the error logs?

I'm not very sure if you add all interface with managed type, and do "ifconfig xxx up" before running hostapd.

You can try add second and third interface with
"iw dev xx interface add xx type __ap".


# iw dev
phy#0
	Interface wlp1s0_1
		ifindex 6
		wdev 0x4
		addr a2:42:d2:1e:89:a3
		type managed
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
	Interface wlp1s0_0
		ifindex 5
		wdev 0x3
		addr 52:e9:be:33:6a:61
		ssid test-qe-wpa2-psk
		type AP
		channel 13 (2472 MHz), width: 20 MHz, center1: 2472 MHz
		txpower 14.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
	Interface wlp1s0
		ifindex 3
		wdev 0x1
		addr c8:94:02:b5:fe:fb
		type managed
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
Or even this with no AP up:
# iw dev
phy#0
	Interface wlp1s0_1
		ifindex 6
		wdev 0x4
		addr ca:e5:84:22:10:ec
		type managed
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
	Interface wlp1s0_0
		ifindex 5
		wdev 0x3
		addr 9e:4e:c5:ea:4c:e9
		type AP
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
	Interface wlp1s0
		ifindex 3
		wdev 0x1
		addr c8:94:02:b5:fe:fb
		type managed
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0

If I use the parameter to ignore the feature and configure the interface combination as before:
# iw list | grep -A4 "valid interface combinations:"
	valid interface combinations:
		 * #{ managed } <= 1, #{ AP, P2P-client, P2P-GO } <= 16, #{ P2P-device } <= 1,
		   total <= 16, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz, 80 MHz }

	HT Capability overrides:
# iw dev
phy#1
	Interface wlp1s0_1
		ifindex 7
		wdev 0x100000004
		addr 82:90:89:90:c1:37
		ssid test-qe-wpa3-psk
		type AP
		channel 13 (2472 MHz), width: 20 MHz, center1: 2472 MHz
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
	Interface wlp1s0_0
		ifindex 6
		wdev 0x100000003
		addr 6a:ef:d0:db:10:f0
		ssid test-qe-wpa2-psk
		type AP
		channel 13 (2472 MHz), width: 20 MHz, center1: 2472 MHz
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0
	Interface wlp1s0
		ifindex 4
		wdev 0x100000001
		addr c8:94:02:b5:fe:fb
		type managed
		txpower 16.00 dBm
		multicast TXQ:
			qsz-byt	qsz-pkt	flows	drops	marks	overlmt	hashcol	tx-bytes	tx-packets
			0	0	0	0	0	0	0	0		0

Thanks

Best regards
Jose Ignacio






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