Re: feature request - why not make netif_rx() a pointer?

[Matti Aarnio]

On Tue, Oct 22, 2002 at 05:01:53PM -0400, Slavcho Nikolov wrote:
> Non GPL modules that want to attach themselves between all L2 drivers and
> upper layers would not have to incur a performance loss if netif_rx() is
> made a pointer instead of a function (whether or not NET filters are
> compiled in the kernel).
> Currently control can be easily wrested from netif_rx() and others through
> injection of a few instructions into the running kernel (SMC - self
> modifying code) but decreased performance is one sad consequence.
> Architecture specific maintenance of SMC slows down portability,
> too.
> The following suggestion would lead to the least amount of modifications.

  ftp://zmailer.org/linux/netif_rx.patch

  Done for 2.3.99-pre7-3  but should be easy to port to 2.5.x ...

> S.N.

/Matti Aarnio