netdev - Re: [PATCHv2 bluetooth-next 00/10] 6lowpan: introduce basic 6lowpan-nd

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Message-ID: <f1898362-7bf3-705b-d72a-289e81910be8@pengutronix.de>
Date:	Fri, 13 May 2016 14:33:40 +0200
From:	Alexander Aring <aar@...gutronix.de>
To:	YOSHIFUJI Hideaki <hideaki.yoshifuji@...aclelinux.com>,
	Marcel Holtmann <marcel@...tmann.org>,
	"David S. Miller" <davem@...emloft.net>
Cc:	linux-wpan@...r.kernel.org, kernel@...gutronix.de,
	Jukka Rissanen <jukka.rissanen@...ux.intel.com>,
	hannes@...essinduktion.org,
	Stefan Schmidt <stefan@....samsung.com>, mcr@...delman.ca,
	Werner Almesberger <werner@...esberger.net>,
	Linux Bluetooth <linux-bluetooth@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCHv2 bluetooth-next 00/10] 6lowpan: introduce basic
 6lowpan-nd


Hi,

On 05/13/2016 04:59 AM, YOSHIFUJI Hideaki wrote:
> Hi,
> 
> Marcel Holtmann wrote:
>> Hi Dave,
> :
>>> include/linux/netdevice.h     |   6 +-
>>> include/net/6lowpan.h         |  24 ++
>>> include/net/addrconf.h        |   3 +
>>> include/net/ndisc.h           | 124 ++++++++-
>>> net/6lowpan/6lowpan_i.h       |   2 +
>>> net/6lowpan/Makefile          |   2 +-
>>> net/6lowpan/core.c            |  50 +++-
>>> net/6lowpan/iphc.c            | 167 +++++++++--
>>> net/6lowpan/ndisc.c           | 633 ++++++++++++++++++++++++++++++++++++++++++
>>> net/bluetooth/6lowpan.c       |   2 +
>>> net/ieee802154/6lowpan/core.c |  12 +
>>> net/ieee802154/6lowpan/tx.c   | 107 ++++---
>>> net/ipv6/addrconf.c           |   7 +-
>>> net/ipv6/ndisc.c              | 132 +++++----
>>> net/ipv6/route.c              |   4 +-
>>> 15 files changed, 1117 insertions(+), 158 deletions(-)
>>> create mode 100644 net/6lowpan/ndisc.c
>>
>> is there a chance that we get input into this patch set? I wonder also if it would be acceptable to take this through bluetooth-next or should it better go straight into net-next?
> 
> The core idea of introducing ndisc_ops is okay, but I do think this
> series of patches should be refactored; we should not make another
> "copy" of core of ndisc logic.  We can introduce "ops" for each
> option, for example.
> 

Thanks for your suggestion. I will try to make another patch series
which introduce ops for each option.

I also thinks it's better now. E.g. some days ago there was another
question on netdev for doing more ndp_proxy stuff inside the kernel [0].
If such feature will be added later then both implementation would be
touched (which almost introduce the same code).

- Alex

[0] http://marc.info/?l=linux-netdev&m=146278123414146