fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / net / ipv6 / sit.c

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index c2d3e17..77b7b09 100644 (file)
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -18,7 +18,6 @@
  * Nate Thompson <nate@thebog.net>:            6to4 support
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/capability.h>
 #include <linux/errno.h>
@@ -61,7 +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);
@@ -77,7 +76,7 @@ static struct ip_tunnel **tunnels[4] = { tunnels_wc, tunnels_l, tunnels_r, tunne
 
 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);
@@ -103,8 +102,8 @@ static struct ip_tunnel * ipip6_tunnel_lookup(u32 remote, u32 local)
 
 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;
 
@@ -145,8 +144,8 @@ static void ipip6_tunnel_link(struct ip_tunnel *t)
 
 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;
@@ -381,7 +380,6 @@ static int ipip6_rcv(struct sk_buff *skb)
                secpath_reset(skb);
                skb->mac.raw = skb->nh.raw;
                skb->nh.raw = skb->data;
-               memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
                IPCB(skb)->flags = 0;
                skb->protocol = htons(ETH_P_IPV6);
                skb->pkt_type = PACKET_HOST;
@@ -397,7 +395,7 @@ static int ipip6_rcv(struct sk_buff *skb)
                return 0;
        }
 
-       icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PROT_UNREACH, 0);
+       icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
        kfree_skb(skb);
        read_unlock(&ipip6_lock);
 out:
@@ -407,9 +405,9 @@ out:
 /* 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, ... */
@@ -434,7 +432,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
        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;
@@ -811,7 +809,7 @@ static void __exit sit_destroy_tunnels(void)
        }
 }
 
-void __exit sit_cleanup(void)
+static void __exit sit_cleanup(void)
 {
        inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
 
@@ -821,7 +819,7 @@ void __exit sit_cleanup(void)
        rtnl_unlock();
 }
 
-int __init sit_init(void)
+static int __init sit_init(void)
 {
        int err;
 
@@ -852,3 +850,8 @@ int __init sit_init(void)
        inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
        goto out;
 }
+
+module_init(sit_init);
+module_exit(sit_cleanup);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("sit0");