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
rizzo at iet.unipi.it
Tue Feb 28 07:13:12 UTC 2012
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
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