From de5506e155276d385712c2aa1c2d9a27cd4ed947 Mon Sep 17 00:00:00 2001 From: Chris Leech Date: Tue, 23 May 2006 17:50:37 -0700 Subject: [I/OAT]: Utility functions for offloading sk_buff to iovec copies Provides for pinning user space pages in memory, copying to iovecs, and copying from sk_buffs including fragmented and chained sk_buffs. Signed-off-by: Chris Leech Signed-off-by: David S. Miller --- include/net/netdma.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/net/netdma.h') diff --git a/include/net/netdma.h b/include/net/netdma.h index cbfe89d7e5d0..19760eb131aa 100644 --- a/include/net/netdma.h +++ b/include/net/netdma.h @@ -23,6 +23,7 @@ #include #ifdef CONFIG_NET_DMA #include +#include static inline struct dma_chan *get_softnet_dma(void) { @@ -34,5 +35,10 @@ static inline struct dma_chan *get_softnet_dma(void) rcu_read_unlock(); return chan; } + +int dma_skb_copy_datagram_iovec(struct dma_chan* chan, + const struct sk_buff *skb, int offset, struct iovec *to, + size_t len, struct dma_pinned_list *pinned_list); + #endif /* CONFIG_NET_DMA */ #endif /* NETDMA_H */ -- cgit v1.2.3