spans_boundary(9)
NAME
spans_boundary - Check a packet can be ISA DMA'd
SYNOPSIS
int spans_boundary(struct sk_buff * skb);
ARGUMENTS
- skb
- The buffer to check
DESCRIPTION
Returns true if the buffer cross a DMA boundary on a PC. The poor thing
can only DMA within a 64K block not across the edges of it.
AUTHOR
- Alan Cox <alan@redhat.com>
- Author.