SPANS_BOUNDARY

Section: Internal Functions (9)
Updated: February 2011
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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@lxorguk.ukuu.org.uk>

Author.
 

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