Re: Patches to make multicast proccesing on CDC NCM drivers

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Sep 02, 2020 at 03:27:28PM +0200, Santiago Ruano Rincón wrote:
> El 02/09/20 a las 14:05, Greg KH escribió:
> > On Wed, Sep 02, 2020 at 01:47:18PM +0200, Santiago Ruano Rincón wrote:
> > > El 30/07/20 a las 16:07, Oliver Neukum escribió:
> > > > Am Donnerstag, den 30.07.2020, 15:53 +0200 schrieb Santiago Ruano
> > > > Rincón:
> > > > > Hi,
> > > > > 
> > > > > Miguel Rodríguez sent this set of patches two years ago to fix the lack
> > > > > of multicast processing on CDC NCM driver:
> > > > > 
> > > > > https://www.spinics.net/lists/linux-usb/msg170611.html
> > > > > https://www.spinics.net/lists/linux-usb/msg170603.html
> > > > > https://www.spinics.net/lists/linux-usb/msg170567.html
> > > > > https://www.spinics.net/lists/linux-usb/msg170568.html
> > > > > 
> > > > > I've using a DKMS version of them, available in
> > > > > https://github.com/stbuehler/fixed-cdc-ether-ncm/tree/wip/patches
> > > > > since more than a year ago, and they are working fine with my Dell D6000
> > > > > docking station. IPv6 connectivity is broken without them.
> > > > > 
> > > > > Is there any chance to consider those patches (or what would be needed
> > > > > to make it happen)?
> > > > > It would be great to have them upstream!
> > > > 
> > > > Hi,
> > > > 
> > > > they have been merged on Wednesday.
> > > …
> > > 
> > > Great, thanks!
> > > 
> > > It would be possible to apply/backport Miguel's patches (along with
> > > 5fd99b5d9950d6300467ded18ff4e44af0b4ae55) to stable versions please?
> > 
> > I don't see that git commit id in Linus's tree, are you sure it is
> > correct?
> 
> I should had mention it is found in linux-next, sorry. Please see
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=969365#10

Ah, nothing I can do with patches that are not yet in Linus's tree.

> > > FWIW, in the context of Debian, I'm personally interested in 4.19.y.
> > 
> > What specific list of commits are you wanting to see backported?
> 
> This:
> 
> 37a2ebdd9e597ae1a0270ac747883ea8f6f767b6
> e10dcb1b6ba714243ad5a35a11b91cc14103a9a9
> e506addeff844237d60545ef4f6141de21471caf
> 0226009ce0f6089f9b31211f7a2703cf9a327a01

These do not look like bugfixes, but a new feature being added for this
driver.  So why not just use a newer kernel version for this feature?

thanks,

greg k-h