adding if_dev member to struct ifnet

[Daniel C. Sobral]

Brooks Davis wrote:

> 
> Not today, since none of them get used in the paths that do this.  In
> general the network code doesn't care what you call an interface.  There
> are a few corners where it does, but nothing that isn't specific to
> a certain set of drivers.  Additionally, it is necessary to not have
> members called if_name and if_unit if we have if_xname as the primary
> driver name.  It's also worth noting that one of the things I want to do
> is break the driver+unit mapping for certain types of pseudo devices.
> Specifically vlan devices should be allocatable by creating an interface
> with a name like fxp0.100 so while you could synthesize a unit number,
> it wouldn't have any useful meaning.

I wonder how that works for vlans over bridges...

-- 
Daniel C. Sobral
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