[IPV6]: Misc endianness annotations.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index be699f8..85ff3dc 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -60,7 +60,7 @@
*/
#define HASH_SIZE 16
-#define HASH(addr) ((addr^(addr>>4))&0xF)
+#define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&0xF)
static int ipip6_fb_tunnel_init(struct net_device *dev);
static int ipip6_tunnel_init(struct net_device *dev);
@@ -76,7 +76,7 @@
static DEFINE_RWLOCK(ipip6_lock);
-static struct ip_tunnel * ipip6_tunnel_lookup(u32 remote, u32 local)
+static struct ip_tunnel * ipip6_tunnel_lookup(__be32 remote, __be32 local)
{
unsigned h0 = HASH(remote);
unsigned h1 = HASH(local);
@@ -102,8 +102,8 @@
static struct ip_tunnel ** ipip6_bucket(struct ip_tunnel *t)
{
- u32 remote = t->parms.iph.daddr;
- u32 local = t->parms.iph.saddr;
+ __be32 remote = t->parms.iph.daddr;
+ __be32 local = t->parms.iph.saddr;
unsigned h = 0;
int prio = 0;
@@ -144,8 +144,8 @@
static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int create)
{
- u32 remote = parms->iph.daddr;
- u32 local = parms->iph.saddr;
+ __be32 remote = parms->iph.daddr;
+ __be32 local = parms->iph.saddr;
struct ip_tunnel *t, **tp, *nt;
struct net_device *dev;
unsigned h = 0;
@@ -405,9 +405,9 @@
/* Returns the embedded IPv4 address if the IPv6 address
comes from 6to4 (RFC 3056) addr space */
-static inline u32 try_6to4(struct in6_addr *v6dst)
+static inline __be32 try_6to4(struct in6_addr *v6dst)
{
- u32 dst = 0;
+ __be32 dst = 0;
if (v6dst->s6_addr16[0] == htons(0x2002)) {
/* 6to4 v6 addr has 16 bits prefix, 32 v4addr, 16 SLA, ... */
@@ -432,7 +432,7 @@
struct net_device *tdev; /* Device to other host */
struct iphdr *iph; /* Our new IP header */
int max_headroom; /* The extra header space needed */
- u32 dst = tiph->daddr;
+ __be32 dst = tiph->daddr;
int mtu;
struct in6_addr *addr6;
int addr_type;