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From: Marek Lindner <mareklindner@neomailbox.ch>
Date: Sat, 08 Aug 2015 03:06:18 +0800
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Subject: Re: [B.A.T.M.A.N.] [PATCH v4] batman-adv: Add lower layer
	needed_(head|tail)room to own ones
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On Friday, August 07, 2015 19:28:42 Sven Eckelmann wrote:
> The maximum of hard_header_len and maximum of all needed_(head|tail)room of
> all slave interfaces of a batman-adv device must be used to define the
> batman-adv device needed_(head|tail)room. This is required to avoid too
> small buffer problems when these slave devices try to send the encapsulated
> packet in a tx path without the possibility to resize the skbuff.
> 
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
> v4:
>  - only check non-BATADV_IF_NOT_IN_USE interfaces
>  - drop the batadv_hardif_disable_interface changes which are already
>    handled by the non-BATADV_IF_NOT_IN_USE check
> v3:
>  - set hard_header_len always to ETH_HLEN and only modify needed_headroom
>    as done in mac80211/vxlan
>  - do the same for needed_tailroom
> v2:
>  - based on patch "batman-adv: don't access unregistered net_device object"
>  - remove the function call from batadv_update_min_mtu
>  - instead use batadv_hardif_disable_interface +
>    batadv_hardif_enable_interface
> ---
>  net/batman-adv/hard-interface.c | 41
> +++++++++++++++++++++++++++++++++++++++++ net/batman-adv/soft-interface.c
> |  2 --
>  2 files changed, 41 insertions(+), 2 deletions(-)

Applied in revision e2b4301.

Thanks,
Marek


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