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Date:      Sat, 9 Mar 2002 12:46:09 -0800 (PST)
From:      Archie Cobbs <archie@dellroad.org>
To:        Roop Mukherjee <bmukherj@shoshin.uwaterloo.ca>
Cc:        freebsd-net@FreeBSD.ORG
Subject:   Re: netgraph for slip or 802.11
Message-ID:  <200203092046.g29Kk9A54700@arch20m.dellroad.org>
In-Reply-To: <Pine.LNX.4.30.0203061826050.25229-100000@big.uwaterloo.ca> "from Roop Mukherjee at Mar 6, 2002 06:27:51 pm"

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Roop Mukherjee writes:
> But I can't seem to find any call to ether_output() or even packets being
> queued at if_snd. How does the ng_ether node actually cause transmission
> on the wire?

All packets passing through the code in if_ethersubr.c get detoured
through ng_ether.c via function pointers which are set when the
ng_ether.ko module is loaded. To transmit a packet on the wire,
ng_ether.c calls ether_output_frame().

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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