X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fskbuff.h;h=3d0ba45fa88d25661ef13de203193de563e6c34f;hb=70790a4b5cd6c0291e5b1a2836e2832d46036ac6;hp=de156a14d3a4b35122b917f703db0d6554770c0c;hpb=413ba3004a4036bb5d6e52d2faa2b19cb13561dc;p=linux-2.6.git

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index de156a14d..3d0ba45fa 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -27,6 +27,7 @@
 #include <linux/highmem.h>
 #include <linux/poll.h>
 #include <linux/net.h>
+#include <net/checksum.h>
 
 #define HAVE_ALLOC_SKB		/* For the drivers to know */
 #define HAVE_ALIGNABLE_SKB	/* Ditto 8)		   */
@@ -155,6 +156,7 @@ struct skb_shared_info {
  *	@sk: Socket we are owned by
  *	@stamp: Time we arrived
  *	@dev: Device we arrived on/are leaving by
+ *	@input_dev: Device we arrived on
  *      @real_dev: The real device we are using
  *	@h: Transport layer header
  *	@nh: Network layer header
@@ -197,6 +199,7 @@ struct sk_buff {
 	struct sock		*sk;
 	struct timeval		stamp;
 	struct net_device	*dev;
+	struct net_device	*input_dev;
 	struct net_device	*real_dev;
 
 	union {
@@ -262,9 +265,15 @@ struct sk_buff {
 	} private;
 #endif
 #ifdef CONFIG_NET_SCHED
-       __u32			tc_index;               /* traffic control index */
+       __u32			tc_index;        /* traffic control index */
+#ifdef CONFIG_NET_CLS_ACT
+	__u32           tc_verd;               /* traffic control verdict */
+	__u32           tc_classid;            /* traffic control classid */
+ #endif
+
 #endif
 
+
 	/* These elements must be at the end, see alloc_skb() for details.  */
 	unsigned int		truesize;
 	atomic_t		users;
@@ -663,13 +672,15 @@ static inline int skb_pagelen(const struct sk_buff *skb)
 	return len + skb_headlen(skb);
 }
 
-static inline void skb_fill_page_desc(struct sk_buff *skb, int i, struct page *page, int off, int size)
+static inline void skb_fill_page_desc(struct sk_buff *skb, int i,
+				      struct page *page, int off, int size)
 {
 	skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
-	frag->page = page;
-	frag->page_offset = off;
-	frag->size = size;
-	skb_shinfo(skb)->nr_frags = i+1;
+
+	frag->page		  = page;
+	frag->page_offset	  = off;
+	frag->size		  = size;
+	skb_shinfo(skb)->nr_frags = i + 1;
 }
 
 #define SKB_PAGE_ASSERT(skb) 	BUG_ON(skb_shinfo(skb)->nr_frags)
@@ -995,6 +1006,39 @@ static inline struct sk_buff *skb_padto(struct sk_buff *skb, unsigned int len)
 	return skb_pad(skb, len-size);
 }
 
+static inline int skb_add_data(struct sk_buff *skb,
+			       char __user *from, int copy)
+{
+	const int off = skb->len;
+
+	if (skb->ip_summed == CHECKSUM_NONE) {
+		int err = 0;
+		unsigned int csum = csum_and_copy_from_user(from,
+							    skb_put(skb, copy),
+							    copy, 0, &err);
+		if (!err) {
+			skb->csum = csum_block_add(skb->csum, csum, off);
+			return 0;
+		}
+	} else if (!copy_from_user(skb_put(skb, copy), from, copy))
+		return 0;
+
+	__skb_trim(skb, off);
+	return -EFAULT;
+}
+
+static inline int skb_can_coalesce(struct sk_buff *skb, int i,
+				   struct page *page, int off)
+{
+	if (i) {
+		struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i - 1];
+
+		return page == frag->page &&
+		       off == frag->page_offset + frag->size;
+	}
+	return 0;
+}
+
 /**
  *	skb_linearize - convert paged skb to linear one
  *	@skb: buffer to linarize
@@ -1058,12 +1102,12 @@ extern unsigned int    skb_copy_and_csum_bits(const struct sk_buff *skb,
 					      int offset, u8 *to, int len,
 					      unsigned int csum);
 extern void	       skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
+extern void	       skb_split(struct sk_buff *skb,
+				 struct sk_buff *skb1, const u32 len);
 
 extern void skb_init(void);
 extern void skb_add_mtu(int mtu);
 
-struct tux_req_struct;
-
 #ifdef CONFIG_NETFILTER
 static inline void nf_conntrack_put(struct nf_ct_info *nfct)
 {
@@ -1075,6 +1119,14 @@ static inline void nf_conntrack_get(struct nf_ct_info *nfct)
 	if (nfct)
 		atomic_inc(&nfct->master->use);
 }
+static inline void nf_reset(struct sk_buff *skb)
+{
+	nf_conntrack_put(skb->nfct);
+	skb->nfct = NULL;
+#ifdef CONFIG_NETFILTER_DEBUG
+	skb->nf_debug = 0;
+#endif
+}
 
 #ifdef CONFIG_BRIDGE_NETFILTER
 static inline void nf_bridge_put(struct nf_bridge_info *nf_bridge)
@@ -1087,9 +1139,10 @@ static inline void nf_bridge_get(struct nf_bridge_info *nf_bridge)
 	if (nf_bridge)
 		atomic_inc(&nf_bridge->use);
 }
-#endif
-
-#endif
+#endif /* CONFIG_BRIDGE_NETFILTER */
+#else /* CONFIG_NETFILTER */
+static inline void nf_reset(struct sk_buff *skb) {}
+#endif /* CONFIG_NETFILTER */
 
 #endif	/* __KERNEL__ */
 #endif	/* _LINUX_SKBUFF_H */