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Add IPv6 support to ip_vs_conn_hashkey() by adding an 'af' argument and
update callers.
Signed-off-by: Julius Volz <juliusv@xxxxxxxxxx>
1 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c
index 1a6b9d8..5e013c9 100644
--- a/net/ipv4/ipvs/ip_vs_conn.c
+++ b/net/ipv4/ipvs/ip_vs_conn.c
@@ -114,13 +114,21 @@ static inline void ct_write_unlock_bh(unsigned key)
/*
* Returns hash value for IPVS connection entry
*/
-static unsigned int ip_vs_conn_hashkey(unsigned proto, __be32 addr, __be16
port)
+static unsigned int ip_vs_conn_hashkey(int af, unsigned proto,
+ const union nf_inet_addr *addr,
+ __be16 port)
{
- return jhash_3words((__force u32)addr, (__force u32)port, proto,
ip_vs_conn_rnd)
+#ifdef CONFIG_IP_VS_IPV6
+ if (af == AF_INET6)
+ return jhash_3words(jhash(addr, 16, ip_vs_conn_rnd),
+ (__force u32)port, proto, ip_vs_conn_rnd)
+ & IP_VS_CONN_TAB_MASK;
+#endif
+ return jhash_3words((__force u32)addr->ip, (__force u32)port, proto,
+ ip_vs_conn_rnd)
& IP_VS_CONN_TAB_MASK;
}
-
/*
* Hashes ip_vs_conn in ip_vs_conn_tab by proto,addr,port.
* returns bool success.
@@ -131,7 +139,7 @@ static inline int ip_vs_conn_hash(struct ip_vs_conn *cp)
int ret;
/* Hash by protocol, client address and port */
- hash = ip_vs_conn_hashkey(cp->protocol, cp->caddr, cp->cport);
+ hash = ip_vs_conn_hashkey(cp->af, cp->protocol, &cp->caddr, cp->cport);
ct_write_lock(hash);
@@ -162,7 +170,7 @@ static inline int ip_vs_conn_unhash(struct ip_vs_conn *cp)
int ret;
/* unhash it and decrease its reference counter */
- hash = ip_vs_conn_hashkey(cp->protocol, cp->caddr, cp->cport);
+ hash = ip_vs_conn_hashkey(cp->af, cp->protocol, &cp->caddr, cp->cport);
ct_write_lock(hash);
--
1.5.4.5
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