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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-10-19 21:48:51 +0200
committerDavid S. Miller <davem@davemloft.net>2013-10-19 19:45:34 -0400
commit65cd8033ff375b68037df61603ee68070dc48578 (patch)
tree26b34f9ed023dda5a861001118a1ea1227ae252f /include/net/inet_sock.h
parent53481da372851a5506deb5247302f75459b472b4 (diff)
downloadlinux-65cd8033ff375b68037df61603ee68070dc48578.tar.bz2
ipv4: split inet_ehashfn to hash functions per compilation unit
This duplicates a bit of code but let's us easily introduce separate secret keys later. The separate compilation units are ipv4/inet_hashtabbles.o, ipv4/udp.o and rds/connection.o. Cc: Eric Dumazet <edumazet@google.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_sock.h')
-rw-r--r--include/net/inet_sock.h22
1 files changed, 6 insertions, 16 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 06da91efbc83..7a6c7f80a8fd 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -208,26 +208,16 @@ extern u32 inet_ehash_secret;
extern u32 ipv6_hash_secret;
void build_ehash_secret(void);
-static inline unsigned int inet_ehashfn(struct net *net,
- const __be32 laddr, const __u16 lport,
- const __be32 faddr, const __be16 fport)
+static inline unsigned int __inet_ehashfn(const __be32 laddr,
+ const __u16 lport,
+ const __be32 faddr,
+ const __be16 fport,
+ u32 initval)
{
return jhash_3words((__force __u32) laddr,
(__force __u32) faddr,
((__u32) lport) << 16 | (__force __u32)fport,
- inet_ehash_secret + net_hash_mix(net));
-}
-
-static inline int inet_sk_ehashfn(const struct sock *sk)
-{
- const struct inet_sock *inet = inet_sk(sk);
- const __be32 laddr = inet->inet_rcv_saddr;
- const __u16 lport = inet->inet_num;
- const __be32 faddr = inet->inet_daddr;
- const __be16 fport = inet->inet_dport;
- struct net *net = sock_net(sk);
-
- return inet_ehashfn(net, laddr, lport, faddr, fport);
+ initval);
}
static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)