X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fskbuff.h;h=fdfb8fe8c38ce0a6f38f342558b1858a5f6b5f60;hb=89de09a9ba9ce293228b1f1aa3c68b5af33a70ce;hp=466c879f82b8fb36a2657878d3c85d08e5a6c89e;hpb=2ee73cc2d507df7b28050fba5d08bd33dd34848c;p=linux-2.6

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 466c879f82..fdfb8fe8c3 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -137,6 +137,8 @@ struct skb_shared_info {
 	unsigned int	nr_frags;
 	unsigned short	tso_size;
 	unsigned short	tso_segs;
+	unsigned short  ufo_size;
+	unsigned int    ip6_frag_id;
 	struct sk_buff	*frag_list;
 	skb_frag_t	frags[MAX_SKB_FRAGS];
 };
@@ -171,7 +173,6 @@ enum {
  *	struct sk_buff - socket buffer
  *	@next: Next buffer in list
  *	@prev: Previous buffer in list
- *	@list: List we are on
  *	@sk: Socket we are owned by
  *	@tstamp: Time we arrived
  *	@dev: Device we arrived on/are leaving by
@@ -190,6 +191,7 @@ enum {
  *	@cloned: Head may be cloned (check refcnt to be sure)
  *	@nohdr: Payload reference only, must not modify header
  *	@pkt_type: Packet class
+ *	@fclone: skbuff clone status
  *	@ip_summed: Driver fed us an IP checksum
  *	@priority: Packet queueing priority
  *	@users: User count - see {datagram,tcp}.c
@@ -202,6 +204,7 @@ enum {
  *	@destructor: Destruct function
  *	@nfmark: Can be used for communication between hooks
  *	@nfct: Associated connection, if any
+ *	@ipvs_property: skbuff is owned by ipvs
  *	@nfctinfo: Relationship of this skb to the connection
  *	@nf_bridge: Saved data about a bridged frame - see br_netfilter.c
  *	@tc_index: Traffic control index
@@ -302,37 +305,37 @@ struct sk_buff {
 
 extern void	       __kfree_skb(struct sk_buff *skb);
 extern struct sk_buff *__alloc_skb(unsigned int size,
-				   unsigned int __nocast priority, int fclone);
+				   gfp_t priority, int fclone);
 static inline struct sk_buff *alloc_skb(unsigned int size,
-					unsigned int __nocast priority)
+					gfp_t priority)
 {
 	return __alloc_skb(size, priority, 0);
 }
 
 static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
-					       unsigned int __nocast priority)
+					       gfp_t priority)
 {
 	return __alloc_skb(size, priority, 1);
 }
 
 extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
 					    unsigned int size,
-					    unsigned int __nocast priority);
+					    gfp_t priority);
 extern void	       kfree_skbmem(struct sk_buff *skb);
 extern struct sk_buff *skb_clone(struct sk_buff *skb,
-				 unsigned int __nocast priority);
+				 gfp_t priority);
 extern struct sk_buff *skb_copy(const struct sk_buff *skb,
-				unsigned int __nocast priority);
+				gfp_t priority);
 extern struct sk_buff *pskb_copy(struct sk_buff *skb,
-				 unsigned int __nocast gfp_mask);
+				 gfp_t gfp_mask);
 extern int	       pskb_expand_head(struct sk_buff *skb,
 					int nhead, int ntail,
-					unsigned int __nocast gfp_mask);
+					gfp_t gfp_mask);
 extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb,
 					    unsigned int headroom);
 extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
 				       int newheadroom, int newtailroom,
-				       unsigned int __nocast priority);
+				       gfp_t priority);
 extern struct sk_buff *		skb_pad(struct sk_buff *skb, int pad);
 #define dev_kfree_skb(a)	kfree_skb(a)
 extern void	      skb_over_panic(struct sk_buff *skb, int len,
@@ -340,6 +343,11 @@ extern void	      skb_over_panic(struct sk_buff *skb, int len,
 extern void	      skb_under_panic(struct sk_buff *skb, int len,
 				      void *here);
 
+extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
+			int getfrag(void *from, char *to, int offset,
+			int len,int odd, struct sk_buff *skb),
+			void *from, int length);
+
 struct skb_seq_state
 {
 	__u32		lower_offset;
@@ -484,7 +492,7 @@ static inline int skb_shared(const struct sk_buff *skb)
  *	NULL is returned on a memory allocation failure.
  */
 static inline struct sk_buff *skb_share_check(struct sk_buff *skb,
-					      unsigned int __nocast pri)
+					      gfp_t pri)
 {
 	might_sleep_if(pri & __GFP_WAIT);
 	if (skb_shared(skb)) {
@@ -516,7 +524,7 @@ static inline struct sk_buff *skb_share_check(struct sk_buff *skb,
  *	%NULL is returned on a memory allocation failure.
  */
 static inline struct sk_buff *skb_unshare(struct sk_buff *skb,
-					  unsigned int __nocast pri)
+					  gfp_t pri)
 {
 	might_sleep_if(pri & __GFP_WAIT);
 	if (skb_cloned(skb)) {
@@ -595,29 +603,46 @@ static inline void skb_queue_head_init(struct sk_buff_head *list)
  */
 
 /**
- *	__skb_queue_head - queue a buffer at the list head
+ *	__skb_queue_after - queue a buffer at the list head
  *	@list: list to use
+ *	@prev: place after this buffer
  *	@newsk: buffer to queue
  *
- *	Queue a buffer at the start of a list. This function takes no locks
+ *	Queue a buffer int the middle of a list. This function takes no locks
  *	and you must therefore hold required locks before calling it.
  *
  *	A buffer cannot be placed on two lists at the same time.
  */
-extern void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk);
-static inline void __skb_queue_head(struct sk_buff_head *list,
-				    struct sk_buff *newsk)
+static inline void __skb_queue_after(struct sk_buff_head *list,
+				     struct sk_buff *prev,
+				     struct sk_buff *newsk)
 {
-	struct sk_buff *prev, *next;
-
+	struct sk_buff *next;
 	list->qlen++;
-	prev = (struct sk_buff *)list;
+
 	next = prev->next;
 	newsk->next = next;
 	newsk->prev = prev;
 	next->prev  = prev->next = newsk;
 }
 
+/**
+ *	__skb_queue_head - queue a buffer at the list head
+ *	@list: list to use
+ *	@newsk: buffer to queue
+ *
+ *	Queue a buffer at the start of a list. This function takes no locks
+ *	and you must therefore hold required locks before calling it.
+ *
+ *	A buffer cannot be placed on two lists at the same time.
+ */
+extern void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk);
+static inline void __skb_queue_head(struct sk_buff_head *list,
+				    struct sk_buff *newsk)
+{
+	__skb_queue_after(list, (struct sk_buff *)list, newsk);
+}
+
 /**
  *	__skb_queue_tail - queue a buffer at the list tail
  *	@list: list to use
@@ -1017,7 +1042,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list)
  *	%NULL is returned in there is no free memory.
  */
 static inline struct sk_buff *__dev_alloc_skb(unsigned int length,
-					      unsigned int __nocast gfp_mask)
+					      gfp_t gfp_mask)
 {
 	struct sk_buff *skb = alloc_skb(length + 16, gfp_mask);
 	if (likely(skb))
@@ -1130,8 +1155,8 @@ static inline int skb_can_coalesce(struct sk_buff *skb, int i,
  *	If there is no free memory -ENOMEM is returned, otherwise zero
  *	is returned and the old skb data released.
  */
-extern int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp);
-static inline int skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp)
+extern int __skb_linearize(struct sk_buff *skb, gfp_t gfp);
+static inline int skb_linearize(struct sk_buff *skb, gfp_t gfp)
 {
 	return __skb_linearize(skb, gfp);
 }
@@ -1195,6 +1220,11 @@ static inline void kunmap_skb_frag(void *vaddr)
 		     prefetch(skb->next), (skb != (struct sk_buff *)(queue));	\
 		     skb = skb->next)
 
+#define skb_queue_reverse_walk(queue, skb) \
+		for (skb = (queue)->prev;					\
+		     prefetch(skb->prev), (skb != (struct sk_buff *)(queue));	\
+		     skb = skb->prev)
+
 
 extern struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags,
 					 int noblock, int *err);