Sending Ethernet frames

[Don Bowman]

From: owner-freebsd-net at freebsd.org On Behalf Of Patrik Arlos
> Hi,
> 
>  
> 
> I'm trying to send 'raw' Ethernet frames. I have however not 
> found any examples of how to do this in BSD. 
> 
> Is it possible to open a 'ethernet' socket, similar to a 
> AF_INET?  I need to be able to control the destination 
> address and type/len field in the Ethernet header. 
> 
> In Linux it is possible open a SOCK_RAW and bind it to a 
> particular interface, I've tried to use the sockadd_dl but in 
> this case bind dies with error 22, any way to do this? 

You can chmod +w on /dev/bpf* and then open & write to a bpf
device.