netdev - [PATCH 1/3]: net: Add DMA mapping tokens to skb_shared

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Message-Id: <20080911.050306.202304047.davem@davemloft.net>
Date:	Thu, 11 Sep 2008 05:03:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	netdev@...r.kernel.org
Subject: [PATCH 1/3]: net: Add DMA mapping tokens to skb_shared_info.


net: Add DMA mapping tokens to skb_shared_info.

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 include/linux/skbuff.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9099237..4b2be23 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -146,8 +146,14 @@ struct skb_shared_info {
 	unsigned short	gso_segs;
 	unsigned short  gso_type;
 	__be32          ip6_frag_id;
+#ifdef CONFIG_HAS_DMA
+	unsigned int	num_dma_maps;
+#endif
 	struct sk_buff	*frag_list;
 	skb_frag_t	frags[MAX_SKB_FRAGS];
+#ifdef CONFIG_HAS_DMA
+	dma_addr_t	dma_maps[MAX_SKB_FRAGS + 1];
+#endif
 };
 
 /* We divide dataref into two halves.  The higher 16 bits hold references
-- 
1.5.6.5.GIT

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