Remove some historical cruft inherited from the loopback driver in which
there were three possible different code paths through which we could
discard a packet (which, after all, is the entire functi

Remove some historical cruft inherited from the loopback driver in which
there were three possible different code paths through which we could
discard a packet (which, after all, is the entire function of this interface).

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Change the use if ifnet.if_lastchange to be more in line with
SNMP requirements. Update description of ifnet.if_lastchange in if.h
to indicate this.

Removed never-used #includes of <machine/cpu.h>. Many were apparently
copied from bad examples.

Clean up Ethernet drivers:
- fill in and use ifp->if_softc
- use if_bpf rather than private cookie variables
- change bpf interface to take advantage of this
- call ether_ifattach() directly from

Clean up Ethernet drivers:
- fill in and use ifp->if_softc
- use if_bpf rather than private cookie variables
- change bpf interface to take advantage of this
- call ether_ifattach() directly from Ethernet drivers
- delete kludge in if_attach() that did this indirectly

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Added a prototype.

Declared dsioctl() as static consistently. Note that both if_disc.c
and subr_diskslice.c use the same prefix `ds' and there is a name
conflict for dsioctl().

Finished (?) cleaning up sysinit stuff.

Second batch of cleanup changes.
This time mostly making a lot of things static and some unused
variables here and there.

Fix BPf to generate a header mbuf for writes.
Fix loopback and discard interfaces to understand BPF writes.
(These two from Bill Fenner to fix PR 512.)

Move ifpromisc() from bpf.c to if.c as suggest

Fix BPf to generate a header mbuf for writes.
Fix loopback and discard interfaces to understand BPF writes.
(These two from Bill Fenner to fix PR 512.)

Move ifpromisc() from bpf.c to if.c as suggested by comment in BPF.
Send a notice to the log when promiscuous mode is enabled.

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Fixed init functions argument type - caddr_t -> void *. Fixed a couple of
compiler warnings.

Fix several sysinit functions that had the wrong type and unnecessarily
external linkage.

Remove useless comments saying that SYSINIT() does system initialization.

Remove trailing whitespace.

Support for pseudo-device LKMs. Note that this is restricted to only
one pseudo per module (a restriction which will eventually be lifted) and
isthus not in its final form.

Beginnings of support for loadable pseudo-devices. bsd.kmod.mk support
and Makefiles for the more interesting ones to come on Monday.

Added `ds', a black-hole network interface.