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Subject: Re: [netgraph] ng_bpf filter large list of IP addresses
To: Reshad Patuck <reshadpatuck1@gmail.com>, freebsd-net@freebsd.org
References: <D4E00F05-F64D-4446-A572-E1A0E06B2C47@gmail.com>
From: Eugene Grosbein <eugen@grosbein.net>
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31.03.2018 20:46, Reshad Patuck wrote:
 ​
> Please let me know what I am doing wrong with the ngctl config file and
> if there is another way, maybe something more direct to load a binary bpf filter directly into ng_bpf.

There is also netgraph(3) - Netgraph User Library. You can use it within your C code
to send binary or text (ASCII) control messages directly to ng_bpf without limitations
of ngctl's own parser.

You can get an example of NgSendAsciiMsg() usage in ngctl's sources:

https://svnweb.freebsd.org/base/head/usr.sbin/ngctl/msg.c?view=markup