diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/seq_file.h | 2 | ||||
| -rw-r--r-- | include/linux/skbuff.h | 89 |
2 files changed, 7 insertions, 84 deletions
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index d870a825376..5da70c3f441 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -63,6 +63,7 @@ extern struct list_head *seq_list_start_head(struct list_head *head, extern struct list_head *seq_list_next(void *v, struct list_head *head, loff_t *ppos); +#ifdef CONFIG_NET struct net; struct seq_net_private { #ifdef CONFIG_NET_NS @@ -81,6 +82,7 @@ static inline struct net *seq_file_net(struct seq_file *seq) return &init_net; #endif } +#endif /* CONFIG_NET */ #endif #endif diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7beb239d2ee..ff72145d5d9 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -892,6 +892,7 @@ static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset) /* * Add data to an sk_buff */ +extern unsigned char *skb_put(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) { unsigned char *tmp = skb_tail_pointer(skb); @@ -901,26 +902,7 @@ static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) return tmp; } -/** - * skb_put - add data to a buffer - * @skb: buffer to use - * @len: amount of data to add - * - * This function extends the used data area of the buffer. If this would - * exceed the total buffer size the kernel will panic. A pointer to the - * first byte of the extra data is returned. - */ -static inline unsigned char *skb_put(struct sk_buff *skb, unsigned int len) -{ - unsigned char *tmp = skb_tail_pointer(skb); - SKB_LINEAR_ASSERT(skb); - skb->tail += len; - skb->len += len; - if (unlikely(skb->tail > skb->end)) - skb_over_panic(skb, len, current_text_addr()); - return tmp; -} - +extern unsigned char *skb_push(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) { skb->data -= len; @@ -928,24 +910,7 @@ static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) return skb->data; } -/** - * skb_push - add data to the start of a buffer - * @skb: buffer to use - * @len: amount of data to add - * - * This function extends the used data area of the buffer at the buffer - * start. If this would exceed the total buffer headroom the kernel will - * panic. A pointer to the first byte of the extra data is returned. - */ -static inline unsigned char *skb_push(struct sk_buff *skb, unsigned int len) -{ - skb->data -= len; - skb->len += len; - if (unlikely(skb->data<skb->head)) - skb_under_panic(skb, len, current_text_addr()); - return skb->data; -} - +extern unsigned char *skb_pull(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len) { skb->len -= len; @@ -953,21 +918,6 @@ static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len) return skb->data += len; } -/** - * skb_pull - remove data from the start of a buffer - * @skb: buffer to use - * @len: amount of data to remove - * - * This function removes data from the start of a buffer, returning - * the memory to the headroom. A pointer to the next data in the buffer - * is returned. Once the data has been pulled future pushes will overwrite - * the old data. - */ -static inline unsigned char *skb_pull(struct sk_buff *skb, unsigned int len) -{ - return unlikely(len > skb->len) ? NULL : __skb_pull(skb, len); -} - extern unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta); static inline unsigned char *__pskb_pull(struct sk_buff *skb, unsigned int len) @@ -1208,21 +1158,7 @@ static inline void __skb_trim(struct sk_buff *skb, unsigned int len) skb_set_tail_pointer(skb, len); } -/** - * skb_trim - remove end from a buffer - * @skb: buffer to alter - * @len: new length - * - * Cut the length of a buffer down by removing data from the tail. If - * the buffer is already under the length specified it is not modified. - * The skb must be linear. - */ -static inline void skb_trim(struct sk_buff *skb, unsigned int len) -{ - if (skb->len > len) - __skb_trim(skb, len); -} - +extern void skb_trim(struct sk_buff *skb, unsigned int len); static inline int __pskb_trim(struct sk_buff *skb, unsigned int len) { @@ -1305,22 +1241,7 @@ static inline struct sk_buff *__dev_alloc_skb(unsigned int length, return skb; } -/** - * dev_alloc_skb - allocate an skbuff for receiving - * @length: length to allocate - * - * Allocate a new &sk_buff and assign it a usage count of one. The - * buffer has unspecified headroom built in. Users should allocate - * the headroom they think they need without accounting for the - * built in space. The built in space is used for optimisations. - * - * %NULL is returned if there is no free memory. Although this function - * allocates memory it can be called from an interrupt. - */ -static inline struct sk_buff *dev_alloc_skb(unsigned int length) -{ - return __dev_alloc_skb(length, GFP_ATOMIC); -} +extern struct sk_buff *dev_alloc_skb(unsigned int length); extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int length, gfp_t gfp_mask); |