net: rename skb->iif to skb->skb_iif

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

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index fa51293..89eed8c 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -15,6 +15,7 @@
 #define _LINUX_SKBUFF_H
 
 #include <linux/kernel.h>
+#include <linux/kmemcheck.h>
 #include <linux/compiler.h>
 #include <linux/time.h>
 #include <linux/cache.h>
@@ -264,7 +265,7 @@ typedef unsigned char *sk_buff_data_t;
  *     @transport_header: Transport layer header
  *     @network_header: Network layer header
  *     @mac_header: Link layer header
- *     @dst: destination entry
+ *     @_skb_dst: destination entry
  *     @sp: the security path, used for xfrm
  *     @cb: Control buffer. Free for use by every layer. Put private vars here
  *     @len: Length of actual data
@@ -298,12 +299,11 @@ 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
  *     @ndisc_nodetype: router type (from link layer)
- *     @do_not_encrypt: set to prevent encryption of this frame
  *     @dma_cookie: a cookie to one of several possible DMA operations
  *             done by skb DMA functions
  *     @secmark: security marking
@@ -343,6 +343,7 @@ struct sk_buff {
                };
        };
        __u32                   priority;
+       kmemcheck_bitfield_begin(flags1);
        __u8                    local_df:1,
                                cloned:1,
                                ip_summed:2,
@@ -353,7 +354,8 @@ struct sk_buff {
                                ipvs_property:1,
                                peeked:1,
                                nf_trace:1;
-       __be16                  protocol;
+       __be16                  protocol:16;
+       kmemcheck_bitfield_end(flags1);
 
        void                    (*destructor)(struct sk_buff *skb);
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
@@ -364,21 +366,22 @@ 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
        __u16                   tc_verd;        /* traffic control verdict */
 #endif
 #endif
+
+       kmemcheck_bitfield_begin(flags2);
+       __u16                   queue_mapping:16;
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
        __u8                    ndisc_nodetype:2;
 #endif
-#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
-       __u8                    do_not_encrypt:1;
-#endif
-       /* 0/13/14 bit hole */
+       kmemcheck_bitfield_end(flags2);
+
+       /* 0/14 bit hole */
 
 #ifdef CONFIG_NET_DMA
        dma_cookie_t            dma_cookie;
@@ -386,8 +389,10 @@ struct sk_buff {
 #ifdef CONFIG_NETWORK_SECMARK
        __u32                   secmark;
 #endif
-
-       __u32                   mark;
+       union {
+               __u32           mark;
+               __u32           dropcount;
+       };
 
        __u16                   vlan_tci;
 
@@ -486,8 +491,7 @@ 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;
@@ -1335,12 +1339,12 @@ static inline int skb_network_offset(const struct sk_buff *skb)
  * shifting the start of the packet by 2 bytes. Drivers should do this
  * with:
  *
- * skb_reserve(NET_IP_ALIGN);
+ * skb_reserve(skb, NET_IP_ALIGN);
  *
  * The downside to this alignment of the IP header is that the DMA is now
  * unaligned. On some architectures the cost of an unaligned DMA is high
  * and this cost outweighs the gains made by aligning the IP header.
- * 
+ *
  * Since this trade off varies between architectures, we allow NET_IP_ALIGN
  * to be overridden.
  */
@@ -1486,6 +1490,16 @@ 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);
 
 /**
@@ -1754,6 +1768,8 @@ 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,