Messages in this thread | | | Date | Wed, 30 Oct 2013 14:22:51 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] drivers: misc: stcam: Renesas stcam device |
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On Wed, Oct 30, 2013 at 12:50:16PM -0700, Daniel Walker wrote: > On Wed, Oct 30, 2013 at 12:42:06PM -0700, Greg Kroah-Hartman wrote: > > On Wed, Oct 30, 2013 at 12:17:48PM -0700, Daniel Walker wrote: > > > This is a driver for the ternary content addressable memory unit from Renesas. It > > > allows filtering on bits, and wildcards thru the chip. > > > > > > Signed-off-by: Daniel Walker <dwalker@fifo99.com> > > > > What about the Cisco copyright? Has that author signed off on this? > > He's not aware of the release .. I can ask him to sign off, but I think > it's academic (he doesn't care).. I don't think he knows what a sign off > means.
You should at least ask, it's only nice to do so.
> > And why a separate driver, can't you do this all from userspace as a > > normal i2c driver? > > I don't know , can I ? This is what Cisco is currently using ..
That doesn't mean anything, sorry. We don't want to duplicate stuff that can already be done using i2c-dev and the like, right?
> > and most important, what is a "ternary content addressable memory unit" > > and what would you do with such a thing? > > I asked the same question when I looked at the driver. It's in > wikipedia, > > http://en.wikipedia.org/wiki/Content_addressable_memory#Ternary_CAMs > > It used for filtering things by 0,1 or wildcard.. In Cisco case "things" > is packets.
That still doesn't explain what this driver is used for to me, sorry. Care to explain?
thanks,
greg k-h
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