1 files changed, 15 insertions, 33 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 85577a4ffa61..a05a5f7c0b73 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -22,12 +22,10 @@
 #include <asm/atomic.h>
 #include <asm/types.h>
 #include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/poll.h>
 #include <linux/net.h>
 #include <linux/textsearch.h>
 #include <net/checksum.h>
+#include <linux/rcupdate.h>
 #include <linux/dmaengine.h>
 
 #define HAVE_ALLOC_SKB          /* For the drivers to know */
@@ -139,7 +137,7 @@ struct skb_shared_info {
         /* Warning: this field is not always filled in (UFO)! */
         unsigned short  gso_segs;
         unsigned short  gso_type;
-        unsigned int    ip6_frag_id;
+        __be32          ip6_frag_id;
         struct sk_buff  *frag_list;
         skb_frag_t      frags[MAX_SKB_FRAGS];
 };
@@ -216,7 +214,7 @@ enum {
  *      @tail: Tail pointer
  *      @end: End pointer
  *      @destructor: Destruct function
- *      @nfmark: Can be used for communication between hooks
+ *      @mark: Generic packet mark
  *      @nfct: Associated connection, if any
  *      @ipvs_property: skbuff is owned by ipvs
  *      @nfctinfo: Relationship of this skb to the connection
@@ -273,8 +271,11 @@ struct sk_buff {
 
         unsigned int            len,
                                 data_len,
-                                mac_len,
-                                csum;
+                                mac_len;
+        union {
+                __wsum          csum;
+                __u32           csum_offset;
+        };
         __u32                   priority;
         __u8                    local_df:1,
                                 cloned:1,
@@ -295,7 +296,6 @@ struct sk_buff {
 #ifdef CONFIG_BRIDGE_NETFILTER
         struct nf_bridge_info   *nf_bridge;
 #endif
-        __u32                   nfmark;
 #endif /* CONFIG_NETFILTER */
 #ifdef CONFIG_NET_SCHED
         __u16                   tc_index;       /* traffic control index */
@@ -310,6 +310,7 @@ struct sk_buff {
         __u32                   secmark;
 #endif
 
+        __u32                   mark;
 
         /* These elements must be at the end, see alloc_skb() for details.  */
         unsigned int            truesize;
@@ -1199,8 +1200,7 @@ static inline int skb_add_data(struct sk_buff *skb,
 
         if (skb->ip_summed == CHECKSUM_NONE) {
                 int err = 0;
-                unsigned int csum = csum_and_copy_from_user(from,
-                                                            skb_put(skb, copy),
+                __wsum 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);
@@ -1293,24 +1293,6 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
         return __pskb_trim(skb, len);
 }
 
-static inline void *kmap_skb_frag(const skb_frag_t *frag)
-{
-#ifdef CONFIG_HIGHMEM
-        BUG_ON(in_irq());
-
-        local_bh_disable();
-#endif
-        return kmap_atomic(frag->page, KM_SKB_DATA_SOFTIRQ);
-}
-
-static inline void kunmap_skb_frag(void *vaddr)
-{
-        kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
-#ifdef CONFIG_HIGHMEM
-        local_bh_enable();
-#endif
-}
-
 #define skb_queue_walk(queue, skb) \
                 for (skb = (queue)->next;                                       \
                      prefetch(skb->next), (skb != (struct sk_buff *)(queue));   \
@@ -1335,15 +1317,15 @@ extern int	       skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
 extern void            skb_free_datagram(struct sock *sk, struct sk_buff *skb);
 extern void            skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
                                          unsigned int flags);
-extern unsigned int    skb_checksum(const struct sk_buff *skb, int offset,
-                                    int len, unsigned int csum);
+extern __wsum          skb_checksum(const struct sk_buff *skb, int offset,
+                                    int len, __wsum csum);
 extern int             skb_copy_bits(const struct sk_buff *skb, int offset,
                                      void *to, int len);
 extern int             skb_store_bits(const struct sk_buff *skb, int offset,
                                       void *from, int len);
-extern unsigned int    skb_copy_and_csum_bits(const struct sk_buff *skb,
+extern __wsum          skb_copy_and_csum_bits(const struct sk_buff *skb,
                                               int offset, u8 *to, int len,
-                                              unsigned int csum);
+                                              __wsum 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);
@@ -1399,7 +1381,7 @@ static inline void skb_set_timestamp(struct sk_buff *skb, const struct timeval *
 
 extern void __net_timestamp(struct sk_buff *skb);
 
-extern unsigned int __skb_checksum_complete(struct sk_buff *skb);
+extern __sum16 __skb_checksum_complete(struct sk_buff *skb);
 
 /**
  *      skb_checksum_complete - Calculate checksum of an entire packet