X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=net%2Fipv6%2Fip6_tunnel.c;h=25bc5ed4910456f9dace494e8a55b19bec837e2b;hb=ff1dcadb1b55dbf471c5ed109dbbdf06bd19ef3b;hp=a995796b5a577fb7b0f4a947d54a85897143a1ab;hpb=6fbe85f914ad08cc43408a40ad18a561222e1b93;p=mv-sheeva.git

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index a995796b5a5..25bc5ed4910 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -19,7 +19,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/capability.h>
 #include <linux/errno.h>
@@ -67,7 +66,7 @@ MODULE_LICENSE("GPL");
 
 #define HASH_SIZE  32
 
-#define HASH(addr) (((addr)->s6_addr32[0] ^ (addr)->s6_addr32[1] ^ \
+#define HASH(addr) ((__force u32)((addr)->s6_addr32[0] ^ (addr)->s6_addr32[1] ^ \
 	             (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
                     (HASH_SIZE - 1))
 
@@ -392,7 +391,7 @@ parse_tlv_tnl_enc_lim(struct sk_buff *skb, __u8 * raw)
 
 static int
 ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-	   int type, int code, int offset, __u32 info)
+	   int type, int code, int offset, __be32 info)
 {
 	struct ipv6hdr *ipv6h = (struct ipv6hdr *) skb->data;
 	struct ip6_tnl *t;
@@ -543,6 +542,7 @@ ip6ip6_rcv(struct sk_buff *skb)
 		skb->dev = t->dev;
 		dst_release(skb->dst);
 		skb->dst = NULL;
+		nf_reset(skb);
 		if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
 			ipv6_copy_dscp(ipv6h, skb->nh.ipv6h);
 		ip6ip6_ecn_decapsulate(ipv6h, skb);
@@ -568,10 +568,9 @@ static inline struct ipv6_txoptions *create_tel(__u8 encap_limit)
 
 	int opt_len = sizeof(*opt) + 8;
 
-	if (!(opt = kmalloc(opt_len, GFP_ATOMIC))) {
+	if (!(opt = kzalloc(opt_len, GFP_ATOMIC))) {
 		return NULL;
 	}
-	memset(opt, 0, opt_len);
 	opt->tot_len = opt_len;
 	opt->dst0opt = (struct ipv6_opt_hdr *) (opt + 1);
 	opt->opt_nflen = 8;
@@ -666,9 +665,9 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	dsfield = ipv6_get_dsfield(ipv6h);
 	if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS))
-		fl.fl6_flowlabel |= (*(__u32 *) ipv6h & IPV6_TCLASS_MASK);
+		fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
 	if ((t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL))
-		fl.fl6_flowlabel |= (*(__u32 *) ipv6h & IPV6_FLOWLABEL_MASK);
+		fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
 
 	if (encap_limit >= 0 && (opt = create_tel(encap_limit)) == NULL)
 		goto tx_err;
@@ -736,7 +735,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	skb->nh.raw = skb_push(skb, sizeof(struct ipv6hdr));
 	ipv6h = skb->nh.ipv6h;
-	*(u32*)ipv6h = fl.fl6_flowlabel | htonl(0x60000000);
+	*(__be32*)ipv6h = fl.fl6_flowlabel | htonl(0x60000000);
 	dsfield = INET_ECN_encapsulate(0, dsfield);
 	ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
 	ipv6h->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
@@ -749,7 +748,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, 
 		      skb->dst->dev, dst_output);
 
-	if (err == NET_XMIT_SUCCESS || err == NET_XMIT_CN) {
+	if (net_xmit_eval(err) == 0) {
 		stats->tx_bytes += pkt_len;
 		stats->tx_packets++;
 	} else {
@@ -1151,6 +1150,20 @@ fail:
 	return err;
 }
 
+static void __exit ip6ip6_destroy_tunnels(void)
+{
+	int h;
+	struct ip6_tnl *t;
+
+	for (h = 0; h < HASH_SIZE; h++) {
+		while ((t = tnls_r_l[h]) != NULL)
+			unregister_netdevice(t->dev);
+	}
+
+	t = tnls_wc[0];
+	unregister_netdevice(t->dev);
+}
+
 /**
  * ip6_tunnel_cleanup - free resources and unregister protocol
  **/
@@ -1160,7 +1173,9 @@ static void __exit ip6_tunnel_cleanup(void)
 	if (xfrm6_tunnel_deregister(&ip6ip6_handler))
 		printk(KERN_INFO "ip6ip6 close: can't deregister tunnel\n");
 
-	unregister_netdev(ip6ip6_fb_tnl_dev);
+	rtnl_lock();
+	ip6ip6_destroy_tunnels();
+	rtnl_unlock();
 }
 
 module_init(ip6_tunnel_init);