Re: [PATCH bluetooth-next] ieee802154: change mtu size behaviour

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Hi Alex,

> This patch changes the mtu size of 802.15.4 interfaces. The current
> setting is the meaning of the maximum transport unit with mac header,
> which is 127 bytes according 802.15.4. The linux meaning of the mtu size
> field is the maximum payload of a mac frame. Like in ethernet, which is
> 1500 bytes.
> 
> We have dynamic length of mac frames in 802.15.4, this is why we assume
> the minimum header length which is hard_header_len. This contains fc and
> sequence fields. These can evaluated by driver layer without additional
> checks. We currently don't support to set the FCS from userspace, so we
> need to subtract this from mtu size as well.
> 
> Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
> ---
> net/ieee802154/socket.c |  4 ++--
> net/mac802154/iface.c   | 12 +++++++++++-
> net/mac802154/tx.c      | 11 -----------
> 3 files changed, 13 insertions(+), 14 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel

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