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authorColin Cross <ccross@android.com>2013-03-13 17:16:02 -0700
committerColin Cross <ccross@android.com>2013-03-13 17:16:02 -0700
commit0b203ab4aacdb6e6dfb8c277aa290f0a02428e6f (patch)
tree9bab760a750d9cf4504d92603ee7fc82beeb2e38 /include/net
parenta276def548828763cf5ac228adf8c1ca73f8d4d3 (diff)
parente28c3f2b514b5581e15614f7cf976131092cf4b6 (diff)
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Merge tag 'v3.0.68' into android-3.0
This is the 3.0.68 stable release Conflicts: kernel/cgroup.c Change-Id: I067982d25e18e3a12de93a5eb6429b8829d7ca11
Diffstat (limited to 'include/net')
-rw-r--r--include/net/inet6_hashtables.h8
-rw-r--r--include/net/inet_sock.h1
-rw-r--r--include/net/ipv6.h12
-rw-r--r--include/net/rtnetlink.h7
4 files changed, 22 insertions, 6 deletions
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index e46674d..f9ce2fa 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -28,16 +28,16 @@
struct inet_hashinfo;
-/* I have no idea if this is a good hash for v6 or not. -DaveM */
static inline unsigned int inet6_ehashfn(struct net *net,
const struct in6_addr *laddr, const u16 lport,
const struct in6_addr *faddr, const __be16 fport)
{
- u32 ports = (lport ^ (__force u16)fport);
+ u32 ports = (((u32)lport) << 16) | (__force u32)fport;
return jhash_3words((__force u32)laddr->s6_addr32[3],
- (__force u32)faddr->s6_addr32[3],
- ports, inet_ehash_secret + net_hash_mix(net));
+ ipv6_addr_jhash(faddr),
+ ports,
+ inet_ehash_secret + net_hash_mix(net));
}
static inline int inet6_sk_ehashfn(const struct sock *sk)
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 14dd9c7..26490b3 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -199,6 +199,7 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
extern int inet_sk_rebuild_header(struct sock *sk);
extern u32 inet_ehash_secret;
+extern u32 ipv6_hash_secret;
extern void build_ehash_secret(void);
static inline unsigned int inet_ehashfn(struct net *net,
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c39121f..879aadf 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -15,6 +15,7 @@
#include <linux/ipv6.h>
#include <linux/hardirq.h>
+#include <linux/jhash.h>
#include <net/if_inet6.h>
#include <net/ndisc.h>
#include <net/flow.h>
@@ -386,6 +387,17 @@ struct ip6_create_arg {
void ip6_frag_init(struct inet_frag_queue *q, void *a);
int ip6_frag_match(struct inet_frag_queue *q, void *a);
+/* more secured version of ipv6_addr_hash() */
+static inline u32 ipv6_addr_jhash(const struct in6_addr *a)
+{
+ u32 v = (__force u32)a->s6_addr32[0] ^ (__force u32)a->s6_addr32[1];
+
+ return jhash_3words(v,
+ (__force u32)a->s6_addr32[2],
+ (__force u32)a->s6_addr32[3],
+ ipv6_hash_secret);
+}
+
static inline int ipv6_addr_any(const struct in6_addr *a)
{
return (a->s6_addr32[0] | a->s6_addr32[1] |
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index 4093ca7..3702939 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -6,11 +6,14 @@
typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *);
typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
+typedef u16 (*rtnl_calcit_func)(struct sk_buff *, struct nlmsghdr *);
extern int __rtnl_register(int protocol, int msgtype,
- rtnl_doit_func, rtnl_dumpit_func);
+ rtnl_doit_func, rtnl_dumpit_func,
+ rtnl_calcit_func);
extern void rtnl_register(int protocol, int msgtype,
- rtnl_doit_func, rtnl_dumpit_func);
+ rtnl_doit_func, rtnl_dumpit_func,
+ rtnl_calcit_func);
extern int rtnl_unregister(int protocol, int msgtype);
extern void rtnl_unregister_all(int protocol);