spans_boundary

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

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.