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net: Move mtu handling down to the protocol depended handlers

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We move all mtu handling from dst_mtu() down to the protocol
layer. So each protocol can implement the mtu handling in
a different manner.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steffen Klassert 2011-11-23 02:13:31 +00:00 • committed by David S. Miller
parent ebb762f27f
commit 618f9bc74a
5 changed files with 25 additions and 12 deletions
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7
include/net/dst.h
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@ -205,12 +205,7 @@ dst_feature(const struct dst_entry *dst, u32 feature)
static inline u32 dst_mtu(const struct dst_entry *dst)
{
u32 mtu = dst_metric_raw(dst, RTAX_MTU);
if (!mtu)
mtu = dst->ops->mtu(dst);
return mtu;
return dst->ops->mtu(dst);
}
/* RTT metrics are stored in milliseconds for user ABI, but used as jiffies */