X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fskbuff.h;h=aa80ad9cbc88466e681a2d3a9e97e27889f061a9;hb=a40c24a13366e324bc0ff8c3bb107db89312c984;hp=cfcc45b3bef0e7a1f1c582786aed7fc1d7bfdafc;hpb=31582b094d640fdab3fd29237b348a4c7c8646fb;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index cfcc45b3bef..aa80ad9cbc8 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -146,8 +146,14 @@ struct skb_shared_info {
 	unsigned short	gso_segs;
 	unsigned short  gso_type;
 	__be32          ip6_frag_id;
+#ifdef CONFIG_HAS_DMA
+	unsigned int	num_dma_maps;
+#endif
 	struct sk_buff	*frag_list;
 	skb_frag_t	frags[MAX_SKB_FRAGS];
+#ifdef CONFIG_HAS_DMA
+	dma_addr_t	dma_maps[MAX_SKB_FRAGS + 1];
+#endif
 };
 
 /* We divide dataref into two halves.  The higher 16 bits hold references
@@ -353,6 +359,14 @@ struct sk_buff {
 
 #include <asm/system.h>
 
+#ifdef CONFIG_HAS_DMA
+#include <linux/dma-mapping.h>
+extern int skb_dma_map(struct device *dev, struct sk_buff *skb,
+		       enum dma_data_direction dir);
+extern void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
+			  enum dma_data_direction dir);
+#endif
+
 extern void kfree_skb(struct sk_buff *skb);
 extern void	       __kfree_skb(struct sk_buff *skb);
 extern struct sk_buff *__alloc_skb(unsigned int size,
@@ -901,7 +915,7 @@ extern unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta);
 static inline unsigned char *__pskb_pull(struct sk_buff *skb, unsigned int len)
 {
 	if (len > skb_headlen(skb) &&
-	    !__pskb_pull_tail(skb, len-skb_headlen(skb)))
+	    !__pskb_pull_tail(skb, len - skb_headlen(skb)))
 		return NULL;
 	skb->len -= len;
 	return skb->data += len;
@@ -918,7 +932,7 @@ static inline int pskb_may_pull(struct sk_buff *skb, unsigned int len)
 		return 1;
 	if (unlikely(len > skb->len))
 		return 0;
-	return __pskb_pull_tail(skb, len-skb_headlen(skb)) != NULL;
+	return __pskb_pull_tail(skb, len - skb_headlen(skb)) != NULL;
 }
 
 /**
@@ -1321,7 +1335,7 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len)
 	unsigned int size = skb->len;
 	if (likely(size >= len))
 		return 0;
-	return skb_pad(skb, len-size);
+	return skb_pad(skb, len - size);
 }
 
 static inline int skb_add_data(struct sk_buff *skb,
@@ -1452,6 +1466,10 @@ extern int	       skb_copy_datagram_iovec(const struct sk_buff *from,
 extern int	       skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
 							int hlen,
 							struct iovec *iov);
+extern int	       skb_copy_datagram_from_iovec(struct sk_buff *skb,
+						    int offset,
+						    struct iovec *from,
+						    int len);
 extern void	       skb_free_datagram(struct sock *sk, struct sk_buff *skb);
 extern int	       skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
 					 unsigned int flags);