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Date: Thu, 28 Apr 2016 12:28:34 -0700
Message-ID: <CAJ-VmokTCdH765p1gb_2MnhK_Zgbqk3VdfNZ+spV0zE7q+YcWw@mail.gmail.com>
Subject: Re: netmap overrun counters
From: Adrian Chadd <adrian.chadd@gmail.com>
To: bazzoola <bazzoola@gmail.com>
Cc: Luigi Rizzo <rizzo@iet.unipi.it>,
 "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, 
 Navdeep Parhar <np@freebsd.org>
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It doesn't overwrite unread slots; it just hits the end and stops
RX'ing (and is counted by the NIC as an RX overflow) until you've
RX'ed some frames and told netmap what you've handed.


-adrian