SKB_FRAG_DMA_MAP(9) Linux Networking SKB_FRAG_DMA_MAP(9)
NAME
skb_frag_dma_map - maps a paged fragment via the DMA API
SYNOPSIS
dma_addr_t skb_frag_dma_map(struct device * dev, const skb_frag_t * frag, size_t offset, size_t size, enum dma_data_direction dir);
ARGUMENTS
dev
the device to map the fragment to
frag
the paged fragment to map
offset
the offset within the fragment (starting at the fragment's own offset)
size
the number of bytes to map
dir
the direction of the mapping (PCI_DMA_*)
DESCRIPTION
Maps the page associated with frag to device.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SKB_FRAG_DMA_MAP(9)
