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| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2013-10-19 21:48:51 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-10-19 19:45:34 -0400 |
| commit | 65cd8033ff375b68037df61603ee68070dc48578 (patch) | |
| tree | 26b34f9ed023dda5a861001118a1ea1227ae252f /include/net/inet_sock.h | |
| parent | 53481da372851a5506deb5247302f75459b472b4 (diff) | |
| download | linux-65cd8033ff375b68037df61603ee68070dc48578.tar.gz linux-65cd8033ff375b68037df61603ee68070dc48578.tar.bz2 linux-65cd8033ff375b68037df61603ee68070dc48578.zip | |
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.h | 22 |
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) |