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SubjectRe: [PATCH 0/2] ip/ip6_gre: Fix GRE tunnels not generating IPv6 link local addresses
Date
On Tue, 2022-12-20 at 15:32 +1300, Chris Packham wrote:
> On 20/12/22 15:25, Chris Packham wrote:
> > Hi Thomas,
> >
> > On 19/12/22 14:06, Thomas Winter wrote:
> > > For our point-to-point GRE tunnels, they have
> > > IN6_ADDR_GEN_MODE_NONE
> > > when they are created then we set IN6_ADDR_GEN_MODE_EUI64 when
> > > they
> > > come up to generate the IPv6 link local address for the
> > > interface.
> > > Recently we found that they were no longer generating IPv6
> > > addresses.
> > >
> > > Also, non-point-to-point tunnels were not generating any IPv6
> > > link
> > > local address and instead generating an IPv6 compat address,
> > > breaking IPv6 communication on the tunnel.
> > >
> > > These failures were caused by commit e5dd729460ca and this patch
> > > set
> > > aims to resolve these issues.
> >
> > This appears to be a v2 of
> > https://lore.kernel.org/all/20221218215718.1491444-1-Thomas.Winter@alliedtelesis.co.nz/#t
> > but you haven't said so in the subject nor have you included a
> > changelog in the patches or in the cover letter.
> >
> > Also for networking patches you should include either "net" or
> > "net-next" in the subject prefix. As this appears to be a bugfix
> > "net"
> > is appropriate.
> >
> Took me a bit of looking but most of this stuff is covered by
> https://www.kernel.org/doc/html/latest/process/maintainer-netdev.html#netdev-faq

Thanks, the git command I used did not put in the v2 that I expected
and I didn't check the output properly. I will send a new patch set as
v3.

> > > Thomas Winter (2):
> > > ip/ip6_gre: Fix changing addr gen mode not generating IPv6
> > > link local
> > > address
> > > ip/ip6_gre: Fix non-point-to-point tunnel not generating IPv6
> > > link
> > > local address
> > >
> > > net/ipv6/addrconf.c | 57 ++++++++++++++++++++++++------------
> > > ---------
> > > 1 file changed, 31 insertions(+), 26 deletions(-)
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