diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/tipc/core.c | 24 | ||||
| -rw-r--r-- | net/tipc/core.h | 24 |
2 files changed, 25 insertions, 23 deletions
diff --git a/net/tipc/core.c b/net/tipc/core.c index b47d1842a970..696468117985 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -102,6 +102,30 @@ int tipc_get_mode(void) } /** + * buf_acquire - creates a TIPC message buffer + * @size: message size (including TIPC header) + * + * Returns a new buffer with data pointers set to the specified size. + * + * NOTE: Headroom is reserved to allow prepending of a data link header. + * There may also be unrequested tailroom present at the buffer's end. + */ + +struct sk_buff *buf_acquire(u32 size) +{ + struct sk_buff *skb; + unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u; + + skb = alloc_skb_fclone(buf_size, GFP_ATOMIC); + if (skb) { + skb_reserve(skb, BUF_HEADROOM); + skb_put(skb, size); + skb->next = NULL; + } + return skb; +} + +/** * tipc_core_stop_net - shut down TIPC networking sub-systems */ diff --git a/net/tipc/core.h b/net/tipc/core.h index 1e149f55f3e2..188799017abd 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -328,29 +328,7 @@ static inline struct tipc_msg *buf_msg(struct sk_buff *skb) return (struct tipc_msg *)skb->data; } -/** - * buf_acquire - creates a TIPC message buffer - * @size: message size (including TIPC header) - * - * Returns a new buffer with data pointers set to the specified size. - * - * NOTE: Headroom is reserved to allow prepending of a data link header. - * There may also be unrequested tailroom present at the buffer's end. - */ - -static inline struct sk_buff *buf_acquire(u32 size) -{ - struct sk_buff *skb; - unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u; - - skb = alloc_skb_fclone(buf_size, GFP_ATOMIC); - if (skb) { - skb_reserve(skb, BUF_HEADROOM); - skb_put(skb, size); - skb->next = NULL; - } - return skb; -} +extern struct sk_buff *buf_acquire(u32 size); /** * buf_discard - frees a TIPC message buffer |