git: pf: Allow disappearing or not yet existing interfaces for ALTQ

[Aaron LI]

commit 0a887f91f9633448c99b9a5b7c6116a0a22d25d6
Author: Aaron LI <aly at aaronly.me>
Date:   Sat Jun 16 23:18:20 2018 +0800

    pf: Allow disappearing or not yet existing interfaces for ALTQ
    
    Make ALTQ cope with disappearing interfaces (particularly common with
    net/mpd4 and netgraph in general).  This also allows to add queues for
    an interface that is not yet existing, however, you have to provide
    the bandwidth for the interface.
    
    Meanwhile, simplify the ifnet_unlock() calls for ifunit() use.
    
    Taken-from: FreeBSD (r177700)

Summary of changes:
 sys/net/pf/pf_if.c            |  10 ++++
 sys/net/pf/pf_ioctl.c         | 123 +++++++++++++++++++++++++++++++++++-------
 sys/net/pf/pfvar.h            |   6 +++
 usr.sbin/pfctl/pfctl_altq.c   |   4 ++
 usr.sbin/pfctl/pfctl_qstats.c |  17 +++++-
 5 files changed, 139 insertions(+), 21 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/0a887f91f9633448c99b9a5b7c6116a0a22d25d6


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