Re: [RFC v2 2/4] net: enables interface option to skip IP

On Tue, Feb 25, 2014 at 04:18:17PM -0500, David Miller wrote: > From: Dan Williams > Date: Tue, 25 Feb 2014 15:07:00 -0600 > > > Also, disable_ipv4 signals *intent*, which is distinct from current > > state. > > > > Does an interface without an IPv4 address mean that the user wished it > > not t

Re: [RFC v2 2/4] net: enables interface option to skip IP

From: Dan Williams Date: Tue, 25 Feb 2014 15:07:00 -0600 > Also, disable_ipv4 signals *intent*, which is distinct from current > state. > > Does an interface without an IPv4 address mean that the user wished it > not to have one? > > Or does it mean that DHCP hasn't started yet (but is supposed

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, 2014-02-24 at 18:04 -0500, David Miller wrote: > From: Dan Williams > Date: Mon, 24 Feb 2014 12:22:00 -0600 > > > In the future I expect more people will want to disable IPv4 as > > they move to IPv6. > > I definitely don't. > > I've been lightly following this conversation and I have t

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, Feb 24, 2014 at 4:12 PM, David Miller wrote: > From: Ben Hutchings > Date: Tue, 25 Feb 2014 00:02:00 + > >> You can run an internal network, or access network, as v6-only with >> NAT64 and DNS64 at the border. I believe some mobile networks are doing >> this; it was also done on the

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Tue, Feb 25, 2014 at 02:01:59AM +, Ben Hutchings wrote: > On Mon, 2014-02-24 at 19:12 -0500, David Miller wrote: > > From: Ben Hutchings > > Date: Tue, 25 Feb 2014 00:02:00 + > > > > > You can run an internal network, or access network, as v6-only with > > > NAT64 and DNS64 at the bord

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, 2014-02-24 at 19:12 -0500, David Miller wrote: > From: Ben Hutchings > Date: Tue, 25 Feb 2014 00:02:00 + > > > You can run an internal network, or access network, as v6-only with > > NAT64 and DNS64 at the border. I believe some mobile networks are doing > > this; it was also done on

Re: [RFC v2 2/4] net: enables interface option to skip IP

From: Ben Hutchings Date: Tue, 25 Feb 2014 00:02:00 + > You can run an internal network, or access network, as v6-only with > NAT64 and DNS64 at the border. I believe some mobile networks are doing > this; it was also done on the main FOSDEM wireless network this year. This seems to be bloa

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, 2014-02-24 at 18:04 -0500, David Miller wrote: > From: Dan Williams > Date: Mon, 24 Feb 2014 12:22:00 -0600 > > > In the future I expect more people will want to disable IPv4 as > > they move to IPv6. > > I definitely don't. > > I've been lightly following this conversation and I have t

Re: [RFC v2 2/4] net: enables interface option to skip IP

From: Dan Williams Date: Mon, 24 Feb 2014 12:22:00 -0600 > In the future I expect more people will want to disable IPv4 as > they move to IPv6. I definitely don't. I've been lightly following this conversation and I have to say a few things. disable_ipv6 was added because people wanted to make

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, Feb 24, 2014 at 10:22 AM, Dan Williams wrote: > My use-case would simply be to have an analogue for the disable_ipv6 > case. In the future I expect more people will want to disable IPv4 as > they move to IPv6. If you don't have something like disable_ipv4, then > there's no way to ensure

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Thu, 2014-02-20 at 12:31 -0800, Luis R. Rodriguez wrote: > On Wed, Feb 19, 2014 at 4:56 PM, Dan Williams wrote: > > Note that there isn't yet a disable_ipv4 knob though, I was > > perhaps-too-subtly trying to get you to send a patch for it, since I can > > use it too :) > > Sure, can you descr

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Fri, Feb 21, 2014 at 5:02 AM, Zoltan Kiss wrote: > Check this how current Xen scripts does routed networking: > > http://wiki.xen.org/wiki/Xen_Networking#Associating_routes_with_virtual_devices > > Note, there are no bridges involved here! As the above page says, the > backend has to have IP ad

Re: [RFC v2 2/4] net: enables interface option to skip IP

On 20/02/14 20:39, Luis R. Rodriguez wrote: On Wed, Feb 19, 2014 at 11:13 AM, Zoltan Kiss wrote: On 19/02/14 17:20, Luis R. Rodriguez wrote: On 19/02/14 17:20, Luis R. Rodriguez also wrote: Zoltan has noted though some use cases of IPv4 or IPv6 addresses on backends though <...> As discussed

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Wed, Feb 19, 2014 at 11:13 AM, Zoltan Kiss wrote: > On 19/02/14 17:20, Luis R. Rodriguez wrote: On 19/02/14 17:20, Luis R. Rodriguez also wrote: Zoltan has noted though some use cases of IPv4 or IPv6 addresses on backends though <...> >> >> As discussed in the other threads thoug

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Wed, Feb 19, 2014 at 4:56 PM, Dan Williams wrote: > Note that there isn't yet a disable_ipv4 knob though, I was > perhaps-too-subtly trying to get you to send a patch for it, since I can > use it too :) Sure, can you describe a little better the use case, as I could use that for the commit log

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Thu, 2014-02-20 at 01:58 +0100, Hannes Frederic Sowa wrote: > On Wed, Feb 19, 2014 at 06:56:17PM -0600, Dan Williams wrote: > > Note that there isn't yet a disable_ipv4 knob though, I was > > perhaps-too-subtly trying to get you to send a patch for it, since I can > > use it too :) > > Do you p

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Wed, Feb 19, 2014 at 06:56:17PM -0600, Dan Williams wrote: > Note that there isn't yet a disable_ipv4 knob though, I was > perhaps-too-subtly trying to get you to send a patch for it, since I can > use it too :) Do you plan to implement

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Wed, 2014-02-19 at 09:20 -0800, Luis R. Rodriguez wrote: > On Wed, Feb 19, 2014 at 8:45 AM, Dan Williams wrote: > > On Tue, 2014-02-18 at 13:19 -0800, Luis R. Rodriguez wrote: > >> On Mon, Feb 17, 2014 at 12:23 PM, Dan Williams wrote: > >> > On Fri, 2014-02-14 at 18:59 -0800, Luis R. Rodriguez

Re: [RFC v2 2/4] net: enables interface option to skip IP

On 19/02/14 17:20, Luis R. Rodriguez wrote: On Wed, Feb 19, 2014 at 8:45 AM, Dan Williams wrote: On Tue, 2014-02-18 at 13:19 -0800, Luis R. Rodriguez wrote: On Mon, Feb 17, 2014 at 12:23 PM, Dan Williams wrote: On Fri, 2014-02-14 at 18:59 -0800, Luis R. Rodriguez wrote: From: "Luis R. Rodri

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Wed, Feb 19, 2014 at 8:45 AM, Dan Williams wrote: > On Tue, 2014-02-18 at 13:19 -0800, Luis R. Rodriguez wrote: >> On Mon, Feb 17, 2014 at 12:23 PM, Dan Williams wrote: >> > On Fri, 2014-02-14 at 18:59 -0800, Luis R. Rodriguez wrote: >> >> From: "Luis R. Rodriguez" >> >> >> >> Some interfaces

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Tue, Feb 18, 2014 at 1:42 PM, Stephen Hemminger wrote: > On Tue, 18 Feb 2014 13:19:15 -0800 > "Luis R. Rodriguez" wrote: > >> Sure, but note that the both disable_ipv6 and accept_dada sysctl >> parameters are global. ipv4 and ipv6 interfaces are created upon >> NETDEVICE_REGISTER, which will g

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Tue, 2014-02-18 at 13:19 -0800, Luis R. Rodriguez wrote: > On Mon, Feb 17, 2014 at 12:23 PM, Dan Williams wrote: > > On Fri, 2014-02-14 at 18:59 -0800, Luis R. Rodriguez wrote: > >> From: "Luis R. Rodriguez" > >> > >> Some interfaces do not need to have any IPv4 or IPv6 > >> addresses, so enab

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Tue, 18 Feb 2014 13:19:15 -0800 "Luis R. Rodriguez" wrote: > Sure, but note that the both disable_ipv6 and accept_dada sysctl > parameters are global. ipv4 and ipv6 interfaces are created upon > NETDEVICE_REGISTER, which will get triggered when a driver calls > register_netdev(). The goal of t

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, Feb 17, 2014 at 12:23 PM, Dan Williams wrote: > On Fri, 2014-02-14 at 18:59 -0800, Luis R. Rodriguez wrote: >> From: "Luis R. Rodriguez" >> >> Some interfaces do not need to have any IPv4 or IPv6 >> addresses, so enable an option to specify this. One >> example where this is observed are

Re: [RFC v2 2/4] net: enables interface option to skip IP

On Fri, 2014-02-14 at 18:59 -0800, Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" > > Some interfaces do not need to have any IPv4 or IPv6 > addresses, so enable an option to specify this. One > example where this is observed are virtualization > backend interfaces which just use the net_de

[RFC v2 2/4] net: enables interface option to skip IP

From: "Luis R. Rodriguez" Some interfaces do not need to have any IPv4 or IPv6 addresses, so enable an option to specify this. One example where this is observed are virtualization backend interfaces which just use the net_device constructs to help with their respective frontends. This should op