nommu: struct vm_region's vm_usage count need not be atomic

[safe/jmp/linux-2.6] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index df7b23a..ae836fd 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -299,7 +299,7 @@ typedef unsigned char *sk_buff_data_t;
  *     @nfctinfo: Relationship of this skb to the connection
  *     @nfct_reasm: netfilter conntrack re-assembly pointer
  *     @nf_bridge: Saved data about a bridged frame - see br_netfilter.c
- *     @iif: ifindex of device we arrived on
+ *     @skb_iif: ifindex of device we arrived on
  *     @queue_mapping: Queue mapping for multiqueue devices
  *     @tc_index: Traffic control index
  *     @tc_verd: traffic control verdict
@@ -354,8 +354,8 @@ struct sk_buff {
                                ipvs_property:1,
                                peeked:1,
                                nf_trace:1;
+       __be16                  protocol:16;
        kmemcheck_bitfield_end(flags1);
-       __be16                  protocol;
 
        void                    (*destructor)(struct sk_buff *skb);
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
@@ -366,8 +366,7 @@ struct sk_buff {
        struct nf_bridge_info   *nf_bridge;
 #endif
 
-       int                     iif;
-       __u16                   queue_mapping;
+       int                     skb_iif;
 #ifdef CONFIG_NET_SCHED
        __u16                   tc_index;       /* traffic control index */
 #ifdef CONFIG_NET_CLS_ACT
@@ -376,6 +375,7 @@ struct sk_buff {
 #endif
 
        kmemcheck_bitfield_begin(flags2);
+       __u16                   queue_mapping:16;
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
        __u8                    ndisc_nodetype:2;
 #endif
@@ -389,8 +389,10 @@ struct sk_buff {
 #ifdef CONFIG_NETWORK_SECMARK
        __u32                   secmark;
 #endif
-
-       __u32                   mark;
+       union {
+               __u32           mark;
+               __u32           dropcount;
+       };
 
        __u16                   vlan_tci;
 
@@ -414,14 +416,6 @@ 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
-
 static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
 {
        return (struct dst_entry *)skb->_skb_dst;
@@ -489,8 +483,7 @@ extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
                        int len,int odd, struct sk_buff *skb),
                        void *from, int length);
 
-struct skb_seq_state
-{
+struct skb_seq_state {
        __u32           lower_offset;
        __u32           upper_offset;
        __u32           frag_idx;
@@ -1489,6 +1482,16 @@ static inline struct sk_buff *netdev_alloc_skb(struct net_device *dev,
        return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
 }
 
+static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+               unsigned int length)
+{
+       struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN);
+
+       if (NET_IP_ALIGN && skb)
+               skb_reserve(skb, NET_IP_ALIGN);
+       return skb;
+}
+
 extern struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask);
 
 /**
@@ -1757,6 +1760,8 @@ extern int               skb_copy_datagram_const_iovec(const struct sk_buff *from,
                                                     int to_offset,
                                                     int size);
 extern void           skb_free_datagram(struct sock *sk, struct sk_buff *skb);
+extern void           skb_free_datagram_locked(struct sock *sk,
+                                               struct sk_buff *skb);
 extern int            skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
                                         unsigned int flags);
 extern __wsum         skb_checksum(const struct sk_buff *skb, int offset,