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From: Sven Eckelmann <sven@narfation.org>
Date: Thu, 01 Nov 2018 07:15:13 +0100
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Subject: Re: [B.A.T.M.A.N.] [PATCH v3] alfred: Request MAC resolution for
 IPv4 address not in ARP cache
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Cc: Jonathan Haws <jhaws@sdl.usu.edu>, guohuizou2000@sina.com

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On Montag, 29. Oktober 2018 18:57:59 CET Jonathan Haws wrote:
> When using IPv4, if the remote server is not yet in the ARP cache, the
> MAC resolution will fail and data appear to not be shared via alfred.
> Add a routine (modified from batctl sources) to request MAC resolution
> by simply sending a datagram to the discard port (UDP/9). This adds the
> remote MAC to the ARP cache, resulting in successful MAC resolution.
> 
> Fixes: c7da798113a2 ("alfred: IPv4 multicast distribution support.")
> Signed-off-by: Jonathan Haws <jhaws@sdl.usu.edu>
> ---
>  util.c | 34 ++++++++++++++++++++++++++++++++--
>  1 file changed, 32 insertions(+), 2 deletions(-)


Applied as 5610d5bf8f44 [1]

Thanks,
	Sven

[1] https://git.open-mesh.org/alfred.git/commit/5610d5bf8f4447b4d689aede638b4e92ae343340
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