Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

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>.