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authorPatrick McHardy <kaber@trash.net>2007-04-09 11:47:18 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:28:38 -0700
commitc5c2523893747f88a83376abad310c8ad13f7197 (patch)
tree58f1ab25ac9f7ca7460abbd24e9bab9c8683f6fd /include/net
parent557922584d9c5b6b990bcfb2fec3134f0e73a05d (diff)
[XFRM]: Optimize MTU calculation
Replace the probing based MTU estimation, which usually takes 2-3 iterations to find a fitting value and may underestimate the MTU, by an exact calculation. Also fix underestimation of the XFRM trailer_len, which causes unnecessary reallocations. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/xfrm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 5a00aa85b75..e144a25814b 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -279,7 +279,7 @@ struct xfrm_type
xfrm_address_t *(*local_addr)(struct xfrm_state *, xfrm_address_t *);
xfrm_address_t *(*remote_addr)(struct xfrm_state *, xfrm_address_t *);
/* Estimate maximal size of result of transformation of a dgram */
- u32 (*get_max_size)(struct xfrm_state *, int size);
+ u32 (*get_mtu)(struct xfrm_state *, int size);
};
extern int xfrm_register_type(struct xfrm_type *type, unsigned short family);