The module prints a warning when the MTU on the hard interface is too small to transfer payload traffic without fragmentation. The required MTU is calculated based on the encapsulation header size. If network coding is compild into the module its header size is taken into account as well.
Signed-off-by: Marek Lindner lindner_marek@yahoo.de --- types.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/types.h b/types.h index b2c94e1..8089bd6 100644 --- a/types.h +++ b/types.h @@ -27,9 +27,16 @@ /** * Maximum overhead for the encapsulation for a payload packet */ +#ifdef CONFIG_BATMAN_ADV_NC +#define BATADV_HEADER_LEN \ + (ETH_HLEN + max3(sizeof(struct batadv_unicast_packet), \ + sizeof(struct batadv_bcast_packet), \ + sizeof(struct batadv_coded_packet))) +#else #define BATADV_HEADER_LEN \ (ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \ sizeof(struct batadv_bcast_packet))) +#endif /* CONFIG_BATMAN_ADV_NC */
#ifdef CONFIG_BATMAN_ADV_DAT
On 2013-05-08 07:36, Marek Lindner wrote:
The module prints a warning when the MTU on the hard interface is too small to transfer payload traffic without fragmentation. The required MTU is calculated based on the encapsulation header size. If network coding is compild into the module its header size is taken into account as well.
Signed-off-by: Marek Lindner lindner_marek@yahoo.de
Acked-by: Martin Hundebøll martin@hundeboll.net
types.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/types.h b/types.h index b2c94e1..8089bd6 100644 --- a/types.h +++ b/types.h @@ -27,9 +27,16 @@ /**
- Maximum overhead for the encapsulation for a payload packet
*/ +#ifdef CONFIG_BATMAN_ADV_NC +#define BATADV_HEADER_LEN \
- (ETH_HLEN + max3(sizeof(struct batadv_unicast_packet), \
sizeof(struct batadv_bcast_packet), \
sizeof(struct batadv_coded_packet)))
+#else #define BATADV_HEADER_LEN \ (ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \ sizeof(struct batadv_bcast_packet))) +#endif /* CONFIG_BATMAN_ADV_NC */
#ifdef CONFIG_BATMAN_ADV_DAT
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