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batman-adv: fix batman-adv header overhead calculation 

Batman-adv prepends a full ethernet header in addition to its own
header. This has to be reflected in the MTU calculation, especially
since the value is used to set dev->hard_header_len.

Introduced by 411d6ed93a
("batman-adv: consider network coding overhead when calculating required mtu")

Reported-by: cmsv <cmsv@wirelesspt.net>
Reported-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
This commit is contained in:
Marek Lindner 2014-01-15 20:31:18 +08:00 committed by Antonio Quartulli
parent 51bb352f15
commit 1df0cbd509
1 changed files with 1 additions and 1 deletions
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2
net/batman-adv/main.c
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@ -277,7 +277,7 @@ int batadv_max_header_len(void)
sizeof(struct batadv_coded_packet));
#endif
return header_len;
return header_len + ETH_HLEN;
}
/**