Hi Richard,

On Sat, Feb 27, 2016 at 2:01 AM, richard bader
<rich...@bader-muenchen.de> wrote:
> Hello,
>
> using ath0 (and wlan) on the host is working fine. But trying the same on
> the guest does not work.
>
> on the host freebsd 10.2 ist running
> on the guest freebsd 10.3 (10.3-BETA2 FreeBSD 10.3-BETA2 #0) is running
>
> the guest was started with:
> /usr/sbin/bhyve     -c 2 -m 2048M  -A -H -P -g 0  -s 0:0,hostbridge -s
> 1:0,lpc  -s 2:0,virtio-net,tap0  -s 3:0,virtio-net,tap1  -s
> 4:0,virtio-blk,wlan.bader.loc.img  -s 5,passthru,5/0/0  -l com1,stdio   wlan
>
> As simple experiment I try to scan for wlans using:
>    root@wlan:~ #ifconfig wlan0 create wlandev ath0 && ifconfig wlan0 up scan
> but no wlan appears.
>
>
> As adrian chadd (freebsd-wirel...@freebsd.org) noticed, the irq16 is not
> working:
>
> root@wlan:~ # vmstat -i
> interrupt                          total       rate
> irq4: uart0                          224          0
> cpu0:timer                         10956         25
> irq265: virtio_pci0                  295          0
> irq271: virtio_pci2                 1267          2
> cpu1:timer                          2982          7
> Total                              15724         36
>
>
> root@wlan:~ # dmesg | grep irq
> ioapic0 <Version 1.1> irqs 0-23 on motherboard
> atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
> attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
> virtio_pci0: <VirtIO PCI Network adapter> port 0x2000-0x201f mem
> 0xc0000000-0xc0001fff irq 16 at device 2.0 on pci0
> virtio_pci1: <VirtIO PCI Network adapter> port 0x2020-0x203f mem
> 0xc0002000-0xc0003fff irq 17 at device 3.0 on pci0
> virtio_pci2: <VirtIO PCI Block adapter> port 0x2040-0x207f mem
> 0xc0004000-0xc0005fff irq 18 at device 4.0 on pci0
> ath0: <Atheros 9287> mem 0xc0010000-0xc001ffff irq 16 at device 7.0 on pci0
> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
> uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
>
>
>
> the output of 'ifconfig wlan0' is the same as on the working host:
>
>
> root@wlan:~ # dmesg | grep ath0
> ath0: <Atheros 9287> mem 0xc0010000-0xc001ffff irq 16 at device 5.0 on pci0
> ath0: [HT] enabling HT modes
> ath0: [HT] enabling short-GI in 20MHz mode
> ath0: [HT] 1 stream STBC receive enabled
> ath0: [HT] 1 stream STBC transmit enabled
> ath0: [HT] 2 RX streams; 2 TX streams
> ath0: AR9287 mac 384.2 RF5133 phy 15.15
> ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0
>
>
>
> any hints to get it working?
>

I suspect that the ath0 controller does not support MSI/MSI-x
interrupts. The output of 'pciconf -lvbc' on the host will confirm if
this is the case.

best
Neel

> thanks
>
> richard
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