Messages in this thread Patch in this message | | | From | xiaohui.xin@intel ... | Subject | [RFC PATCH v10 01/16] Add a new structure for skb buffer from external. | Date | Sat, 11 Sep 2010 17:52:54 +0800 |
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From: Xin Xiaohui <xiaohui.xin@intel.com>
Signed-off-by: Xin Xiaohui <xiaohui.xin@intel.com> Signed-off-by: Zhao Yu <yzhao81new@gmail.com> Reviewed-by: Jeff Dike <jdike@linux.intel.com> --- include/linux/skbuff.h | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 124f90c..74af06c 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -203,6 +203,15 @@ struct skb_shared_info { void * destructor_arg; }; +/* The structure is for a skb which pages may point to + * an external buffer, which is not allocated from kernel space. + * It also contains a destructor for itself. + */ +struct skb_ext_page { + struct page *page; + void (*dtor)(struct skb_ext_page *); +}; + /* We divide dataref into two halves. The higher 16 bits hold references * to the payload part of skb->data. The lower 16 bits hold references to * the entire skb->data. A clone of a headerless skb holds the length of -- 1.5.4.4
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