From: Alexander Aring <alex.aring@gmail.com>
To: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: linux-wpan@vger.kernel.org
Subject: Re: [PATCH 4/8] ieee802154: Remove 802.15.4/6LoWPAN checks for interface MTU.
Date: Wed, 20 May 2015 12:45:24 +0200 [thread overview]
Message-ID: <20150520104524.GI3978@omega> (raw)
In-Reply-To: <20150519195007.GP11014@wantstofly.org>
On Tue, May 19, 2015 at 10:50:07PM +0300, Lennert Buytenhek wrote:
> In the past, 802.15.4 interfaces and 6LoWPAN interfaces used the
> same dev->type (ARPHRD_IEEE802154), and 802.15.4 interfaces were
> distinguished from 6LoWPAN interfaces by their differing dev->mtu.
>
> 6LoWPAN interfaces have their own ARPHRD type now, so there is no
> longer any need to check dev->mtu to distinguish 802.15.4 devices
> from 6LoWPAN devices.
>
> Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Alexander Aring <alex.aring@gmail.com>
btw: the reason why I introduced this was that I had really fear to
change the lowpan ARPHRD, because there exists already a huge of
software which support this and somebody told me that when he delete a
lowpan interface with the iz tool then the whole kernel was crashed.
This was indeed true because it had freed some resources which was
allocated on a wpan interface only.
But we don't need this anymore, yes. I changed the ARPHRD and nobody
screamed that his/her software doesn't work anymore.
- Alex
next prev parent reply other threads:[~2015-05-20 10:45 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1432064518.git.buytenh@wantstofly.org>
2015-05-19 19:49 ` [PATCH 1/8] ieee802154 socket: Return EMSGSIZE from raw_sendmsg() if packet too big Lennert Buytenhek
2015-05-20 10:36 ` Alexander Aring
2015-05-19 19:50 ` [PATCH 2/8] Documentation/networking/ieee802154.txt: fix various inaccuracies Lennert Buytenhek
2015-05-19 22:05 ` Marcel Holtmann
2015-05-20 8:36 ` Lennert Buytenhek
2015-05-20 8:40 ` Stefan Schmidt
2015-05-20 8:54 ` Alexander Aring
2015-05-20 9:14 ` Lennert Buytenhek
2015-05-20 9:54 ` Marcel Holtmann
2015-05-20 8:36 ` Stefan Schmidt
2015-05-19 19:50 ` [PATCH 3/8] ieee802154: Remove ieee802154_reduced_mlme_ops references Lennert Buytenhek
2015-05-20 10:34 ` Alexander Aring
2015-05-19 19:50 ` [PATCH 4/8] ieee802154: Remove 802.15.4/6LoWPAN checks for interface MTU Lennert Buytenhek
2015-05-20 10:45 ` Alexander Aring [this message]
2015-05-19 19:50 ` [PATCH 5/8] ieee802154 6lowpan: Don't implement ieee802154_mlme_ops Lennert Buytenhek
2015-05-20 10:41 ` Alexander Aring
2015-05-25 6:17 ` Lennert Buytenhek
2015-05-19 19:50 ` [PATCH 6/8] ieee802154 socket: No need to check for ARPHRD_IEEE802154 in raw_bind() Lennert Buytenhek
2015-05-20 10:42 ` Alexander Aring
2015-05-19 19:50 ` [PATCH 7/8] mac802154: mac802154_header_create() optimisation Lennert Buytenhek
2015-05-20 10:33 ` Alexander Aring
2015-05-19 19:50 ` [PATCH 8/8] mac802154: mac802154_mlme_start_req() optimisation Lennert Buytenhek
2015-05-20 10:11 ` Alexander Aring
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