#define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES - 1)) & \
~(SMP_CACHE_BYTES - 1))
#define SKB_WITH_OVERHEAD(X) \
- (((X) - sizeof(struct skb_shared_info)) & \
- ~(SMP_CACHE_BYTES - 1))
+ ((X) - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
#define SKB_MAX_ORDER(X, ORDER) \
SKB_WITH_OVERHEAD((PAGE_SIZE << (ORDER)) - (X))
#define SKB_MAX_HEAD(X) (SKB_MAX_ORDER((X), 0))
struct net_device;
struct scatterlist;
+struct pipe_inode_info;
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
struct nf_conntrack {
#endif
int iif;
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
__u16 queue_mapping;
-
+#endif
#ifdef CONFIG_NET_SCHED
__u16 tc_index; /* traffic control index */
#ifdef CONFIG_NET_CLS_ACT
return __alloc_skb(size, priority, 1, -1);
}
-extern void kfree_skbmem(struct sk_buff *skb);
extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src);
extern struct sk_buff *skb_clone(struct sk_buff *skb,
gfp_t priority);
static inline void skb_truesize_check(struct sk_buff *skb)
{
- if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->len))
+ int len = sizeof(struct sk_buff) + skb->len;
+
+ if (unlikely((int)skb->truesize < len))
skb_truesize_bug(skb);
}
*
* Return the number of bytes of free space at the head of an &sk_buff.
*/
-static inline int skb_headroom(const struct sk_buff *skb)
+static inline unsigned int skb_headroom(const struct sk_buff *skb)
{
return skb->data - skb->head;
}
* Returns true if modifying the header part of the cloned buffer
* does not requires the data to be copied.
*/
-static inline int skb_clone_writable(struct sk_buff *skb, int len)
+static inline int skb_clone_writable(struct sk_buff *skb, unsigned int len)
{
return !skb_header_cloned(skb) &&
skb_headroom(skb) + len <= skb->hdr_len;
extern __wsum skb_copy_and_csum_bits(const struct sk_buff *skb,
int offset, u8 *to, int len,
__wsum csum);
+extern int skb_splice_bits(struct sk_buff *skb,
+ unsigned int offset,
+ struct pipe_inode_info *pipe,
+ unsigned int len,
+ unsigned int flags);
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);
#endif
}
+static inline u16 skb_get_queue_mapping(struct sk_buff *skb)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ return skb->queue_mapping;
+#else
+ return 0;
+#endif
+}
+
static inline void skb_copy_queue_mapping(struct sk_buff *to, const struct sk_buff *from)
{
#ifdef CONFIG_NETDEVICES_MULTIQUEUE