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>
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1 changed files with 1 additions and 1 deletions
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@ -277,7 +277,7 @@ int batadv_max_header_len(void)
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sizeof(struct batadv_coded_packet));
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#endif
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return header_len;
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return header_len + ETH_HLEN;
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}
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/**
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