X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Fdst.h;h=e3ac7d0fc4e1807e62d1246b74aefa5d9ae9f23a;hb=86121fe5b4f170829429433cd99ec7f884c8ae75;hp=4a056a68243540fa610a9363bef13c6a0b59c7ef;hpb=c4d541106bc5d0a2134aaf9e8735eee3c70b0db2;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/net/dst.h b/include/net/dst.h
index 4a056a6..e3ac7d0 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -8,7 +8,7 @@
 #ifndef _NET_DST_H
 #define _NET_DST_H
 
-#include <linux/config.h>
+#include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/rcupdate.h>
 #include <linux/jiffies.h>
@@ -37,9 +37,7 @@ struct sk_buff;
 
 struct dst_entry
 {
-	struct dst_entry        *next;
-	atomic_t		__refcnt;	/* client references	*/
-	int			__use;
+	struct rcu_head		rcu_head;
 	struct dst_entry	*child;
 	struct net_device       *dev;
 	short			error;
@@ -49,8 +47,6 @@ struct dst_entry
 #define DST_NOXFRM		2
 #define DST_NOPOLICY		4
 #define DST_NOHASH		8
-#define DST_BALANCED            0x10
-	unsigned long		lastuse;
 	unsigned long		expires;
 
 	unsigned short		header_len;	/* more space at head required */
@@ -60,7 +56,11 @@ struct dst_entry
 	struct dst_entry	*path;
 
 	unsigned long		rate_last;	/* rate limiting for ICMP */
-	unsigned long		rate_tokens;
+	unsigned int		rate_tokens;
+
+#ifdef CONFIG_NET_CLS_ROUTE
+	__u32			tclassid;
+#endif
 
 	struct neighbour	*neighbour;
 	struct hh_cache		*hh;
@@ -69,24 +69,27 @@ struct dst_entry
 	int			(*input)(struct sk_buff*);
 	int			(*output)(struct sk_buff*);
 
-#ifdef CONFIG_NET_CLS_ROUTE
-	__u32			tclassid;
-#endif
-
 	struct  dst_ops	        *ops;
-	struct rcu_head		rcu_head;
 		
-	char			info[0];
+	unsigned long		lastuse;
+	atomic_t		__refcnt;	/* client references	*/
+	int			__use;
+	union {
+		struct dst_entry *next;
+		struct rtable    *rt_next;
+		struct rt6_info   *rt6_next;
+		struct dn_route  *dn_next;
+	};
 };
 
 
 struct dst_ops
 {
 	unsigned short		family;
-	unsigned short		protocol;
+	__be16			protocol;
 	unsigned		gc_thresh;
 
-	int			(*gc)(void);
+	int			(*gc)(struct dst_ops *ops);
 	struct dst_entry *	(*check)(struct dst_entry *, __u32 cookie);
 	void			(*destroy)(struct dst_entry *);
 	void			(*ifdown)(struct dst_entry *,
@@ -94,11 +97,12 @@ struct dst_ops
 	struct dst_entry *	(*negative_advice)(struct dst_entry *);
 	void			(*link_failure)(struct sk_buff *);
 	void			(*update_pmtu)(struct dst_entry *dst, u32 mtu);
-	int			(*get_mss)(struct dst_entry *dst, u32 mtu);
+	int			(*local_out)(struct sk_buff *skb);
 	int			entry_size;
 
 	atomic_t		entries;
-	kmem_cache_t 		*kmem_cachep;
+	struct kmem_cache 		*kmem_cachep;
+	struct net              *dst_net;
 };
 
 #ifdef __KERNEL__
@@ -139,6 +143,13 @@ static inline void dst_hold(struct dst_entry * dst)
 	atomic_inc(&dst->__refcnt);
 }
 
+static inline void dst_use(struct dst_entry *dst, unsigned long time)
+{
+	dst_hold(dst);
+	dst->__use++;
+	dst->lastuse = time;
+}
+
 static inline
 struct dst_entry * dst_clone(struct dst_entry * dst)
 {
@@ -169,6 +180,7 @@ static inline struct dst_entry *dst_pop(struct dst_entry *dst)
 	return child;
 }
 
+extern int dst_discard(struct sk_buff *skb);
 extern void * dst_alloc(struct dst_ops * ops);
 extern void __dst_free(struct dst_entry * dst);
 extern struct dst_entry *dst_destroy(struct dst_entry * dst);
@@ -225,16 +237,7 @@ static inline void dst_set_expires(struct dst_entry *dst, int timeout)
 /* Output packet to network from transport.  */
 static inline int dst_output(struct sk_buff *skb)
 {
-	int err;
-
-	for (;;) {
-		err = skb->dst->output(skb);
-
-		if (likely(err == 0))
-			return err;
-		if (unlikely(err != NET_XMIT_BYPASS))
-			return err;
-	}
+	return skb->dst->output(skb);
 }
 
 /* Input packet from network to transport.  */
@@ -262,6 +265,12 @@ static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)
 
 extern void		dst_init(void);
 
+/* Flags for xfrm_lookup flags argument. */
+enum {
+	XFRM_LOOKUP_WAIT = 1 << 0,
+	XFRM_LOOKUP_ICMP = 1 << 1,
+};
+
 struct flowi;
 #ifndef CONFIG_XFRM
 static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
@@ -269,9 +278,16 @@ static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
 {
 	return 0;
 } 
+static inline int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
+				struct sock *sk, int flags)
+{
+	return 0;
+}
 #else
 extern int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
 		       struct sock *sk, int flags);
+extern int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,
+			 struct sock *sk, int flags);
 #endif
 #endif