1SKB_FRAG_DMA_MAP(9)            Linux Networking            SKB_FRAG_DMA_MAP(9)
2
3
4

NAME

6       skb_frag_dma_map - maps a paged fragment via the DMA API
7

SYNOPSIS

9       dma_addr_t skb_frag_dma_map(struct device * dev,
10                                   const skb_frag_t * frag, size_t offset,
11                                   size_t size, enum dma_data_direction dir);
12

ARGUMENTS

14       dev
15           the device to map the fragment to
16
17       frag
18           the paged fragment to map
19
20       offset
21           the offset within the fragment (starting at the fragment's own
22           offset)
23
24       size
25           the number of bytes to map
26
27       dir
28           the direction of the mapping (PCI_DMA_*)
29

DESCRIPTION

31       Maps the page associated with frag to device.
32
34Kernel Hackers Manual 3.10         June 2019               SKB_FRAG_DMA_MAP(9)
Impressum