Re: kern/48104: Incorrect forwarding of broadcast packets by bridge(4)

[Lloyd Parkes <lloyd%must-have-coffee.gen.nz@localhost>]

On 26/02/2014, at 11:03 pm, Ryota Ozaki <ozaki-r%NetBSD.org@localhost> wrote:

> I've got a problem that iperf -s on a tap with a bridge doesn't work
> with your patch. It works w/o your patch. The instructions are
> as follows:
> 
> 
> # ifconfig bridge0 create
> # ifconfig bridge0 up
> # ifconfig tap0 create
> # ifconfig tap0 192.168.122.67/24 up
> # brconfig bridge0 add tap0
> # brconfig bridge0 add vioif0
> # iperf -s
> ------------------------------------------------------------
> Server listening on TCP port 5001
> TCP window size: 32.0 KByte (default)
> ------------------------------------------------------------
> [  4] local 192.168.122.67 port 5001 connected with 192.168.122.1 port 56964
> vioif0: rx mbuf allocation failed, error code 55
> vioif0: rx mbuf allocation failed, error code 55
> vioif0: rx mbuf allocation failed, error code 55
> vioif0: rx mbuf allocation failed, error code 55
> vioif0: rx mbuf allocation failed, error code 55
> vioif0: rx mbuf allocation failed, error code 55
> 
> 
> Do you have any idea on the error?

Thanks for testing the code. I have no idea what might be causing this problem 
because the unicast path isn’t changed much it shouldn’t allocating mbufs any 
differently from before. I’ll look in to right now.

Cheers,
Lloyd