BPF direction filter

To: "tech-net%netbsd.org@localhost" <tech-net%netbsd.org@localhost>
Subject: BPF direction filter
From: Masanobu SAITOH <msaitoh%execsw.org@localhost>
Date: Thu, 21 Jun 2018 15:55:14 +0900

 Hi.

 I'd like to add the BPF direction filter function that other OSes have.
This is mainly used with "tcpdump -Q". Is it OK to add?

 The ioctl names are:

	BIOC[GS]DIRFILT		OpenBSD
	BIOC[GS]DIRECTION	FreeBSD

Which one is prefer (or yet another one)?

--
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)

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