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From: Marek Lindner <lindner_marek@yahoo.de>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [RFCv2 1/4] batman-adv: Reserve extra bytes in skb for better alignment
Date: Wed, 7 Nov 2012 22:44:35 +0800	[thread overview]
Message-ID: <201211072244.35334.lindner_marek@yahoo.de> (raw)
In-Reply-To: <1352045505-8435-1-git-send-email-sven@narfation.org>

On Monday, November 05, 2012 00:11:45 Sven Eckelmann wrote:
> The ethernet header is 14 bytes long. Therefore, the data after it is not 4
> byte aligned and may cause problems on systems without unaligned data
> access. Reserving NET_IP_ALIGN more byes can fix the misalignment of the
> ethernet header.
> 
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
> Oops, the allocation of the skb also has to be changed
> 
>  bat_iv_ogm.c        |    8 +++++---
>  icmp_socket.c       |    4 ++--
>  translation-table.c |   20 ++++++++++----------
>  vis.c               |    9 +++++----
>  4 files changed, 22 insertions(+), 19 deletions(-)

Applied in revision 7f91790.

Thanks,
Marek

      reply	other threads:[~2012-11-07 14:44 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-04 14:19 [B.A.T.M.A.N.] [RFC 1/4] batman-adv: Align skb for better alignment Sven Eckelmann
2012-11-04 14:19 ` [B.A.T.M.A.N.] [RFC 2/4] batman-adv: Mark correctly aligned headers not as __packed Sven Eckelmann
2012-11-05 20:25   ` [B.A.T.M.A.N.] [RFC-alt1/2 " Sven Eckelmann
2012-11-05 20:25     ` [B.A.T.M.A.N.] [RFC-alt2/2 2/4] batman-adv: Use packing of 2 for all headers before an ethernet header Sven Eckelmann
2012-11-07 15:07       ` Marek Lindner
2012-11-07 14:56     ` [B.A.T.M.A.N.] [RFC-alt1/2 2/4] batman-adv: Mark correctly aligned headers not as __packed Marek Lindner
2012-11-04 14:19 ` [B.A.T.M.A.N.] [RFC 3/4] batman-adv: Fix alignment and padding of packets Sven Eckelmann
2012-11-05  9:15   ` [B.A.T.M.A.N.] [RFC-alt 3/4] batman-adv: Fix alignment for payload after batadv_unicast_4addr_packet Sven Eckelmann
2012-11-07 15:16     ` Marek Lindner
2012-11-04 14:19 ` [B.A.T.M.A.N.] [RFC 4/4] batman-adv: Use compare_ether_addr instead of private function Sven Eckelmann
2012-11-04 16:11 ` [B.A.T.M.A.N.] [RFCv2 1/4] batman-adv: Reserve extra bytes in skb for better alignment Sven Eckelmann
2012-11-07 14:44   ` Marek Lindner [this message]

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