[PATCH v13 01/16] Add a new structure for skb buffer from external.
From: <hidden>
Date: 2010-10-15 08:57:35
Also in:
kvm, lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Xin Xiaohui <redacted> Signed-off-by: Xin Xiaohui <redacted> Signed-off-by: Zhao Yu <redacted> Reviewed-by: Jeff Dike <redacted> --- 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 77eb60d..696e690 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -211,6 +211,15 @@ struct skb_shared_info { skb_frag_t frags[MAX_SKB_FRAGS]; }; +/* 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
--
1.7.3