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net: Add DMA mapping tokens to skb_shared_info.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-09-11 04:48:58 -07:00
parent 1e493d1946
commit 271bff7afb
1 changed files with 6 additions and 0 deletions
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6
include/linux/skbuff.h
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@ -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