Date: Tue, 28 Feb 2012 08:31:22 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Ben Kaduk <minimarmot@gmail.com> Cc: svn-src-head@freebsd.org, Luigi Rizzo <luigi@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org Subject: Re: svn commit: r232238 - in head: share/man/man4 sys/dev/e1000 sys/dev/ixgbe sys/dev/netmap sys/dev/re sys/net tools/tools/netmap Message-ID: <20120228073122.GC57270@onelab2.iet.unipi.it> In-Reply-To: <CAK2BMK4ncw9yyHwRQJfzT5=mTwn5p2neny1rbZF9sBM-q3zvJw@mail.gmail.com> References: <201202271905.q1RJ52Se032771@svn.freebsd.org> <CAK2BMK4ncw9yyHwRQJfzT5=mTwn5p2neny1rbZF9sBM-q3zvJw@mail.gmail.com>
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On Mon, Feb 27, 2012 at 07:05:45PM -0500, Ben Kaduk wrote: ... > > ?1. add support for devices with different number of rx and tx queues; > > > > ?2. add better support for zero-copy operation, adding an extra field > > ? ? to the netmap ring to indicate how many buffers we have already processed > > ? ? but not yet released (with help from Eddie Kohler); > > > > ?3. The two changes above unfortunately require an API change, so while > > ? ? at it add a version field and some spares to the ioctl() argument > > ? ? to help detect mismatches. > > Is it worth bumping __FreeBSD_version? I don't think it is necessary. There is basically no code that uses the netmap API except for the examples in tools/tools/netmap, and i now have a NETMAP_API macro that defines the version without the need for using __FreeBSD_version cheers luigi
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