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authorHerbert Xu <herbert@gondor.apana.org.au>2007-11-13 21:33:32 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:53:37 -0800
commitb4ce92775c2e7ff9cf79cca4e0a19c8c5fd6287b (patch)
treec057ff62b03582493b74005f7959a0207e748468 /include/net/ip6_fib.h
parent550ade8432a2a6fbfb48ba7018750b0e8c81e8d0 (diff)
[IPV6]: Move nfheader_len into rt6_info
The dst member nfheader_len is only used by IPv6. It's also currently creating a rather ugly alignment hole in struct dst. Therefore this patch moves it from there into struct rt6_info. It also reorders the fields in rt6_info to minimize holes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_fib.h')
-rw-r--r--include/net/ip6_fib.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 857821360bb6..4cefcffe773e 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -99,16 +99,21 @@ struct rt6_info
u32 rt6i_flags;
u32 rt6i_metric;
atomic_t rt6i_ref;
- struct fib6_table *rt6i_table;
- struct rt6key rt6i_dst;
- struct rt6key rt6i_src;
+ /* more non-fragment space at head required */
+ unsigned short nfheader_len;
u8 rt6i_protocol;
+ struct fib6_table *rt6i_table;
+
+ struct rt6key rt6i_dst;
+
#ifdef CONFIG_XFRM
u32 rt6i_flow_cache_genid;
#endif
+
+ struct rt6key rt6i_src;
};
static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)