K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2012-01-09T08:50:22.761752Z
K 7
svn:log
V 871
Bunch of fixes to pfsync(4) module load/unload:

o Make the pfsync.ko actually usable. Before this change loading it
  didn't register protosw, so was a nop. However, a module /boot/kernel
  did confused users.
o Rewrite the way we are joining multicast group:
  - Move multicast initialization/destruction to separate functions.
  - Don't allocate memory if we aren't going to join a multicast group.
  - Use modern API for joining/leaving multicast group.
  - Now the utterly wrong pfsync_ifdetach() isn't needed.
o Move module initialization from SYSINIT(9) to moduledata_t method.
o Refuse to unload module, unless asked forcibly.
o Improve a bit some FreeBSD porting code:
  - Use separate malloc type.
  - Simplify swi sheduling.

This change is probably wrong from VIMAGE viewpoint, however pfsync
wasn't VIMAGE-correct before this change, too.

Glanced at by:	bz

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