+++ /dev/null
-#include "background.h"
-
-static struct background backgrounds[0]
- __table_start ( struct background, background );
-static struct background backgrounds_end[0]
- __table_end ( struct background, background );
-
-/** @file */
-
-/**
- * Call send method of all background protocols
- *
- * @v timestamp Current time
- * @ret None -
- * @err None -
- *
- * This calls each background protocol's background::send() method.
- */
-void background_send ( unsigned long timestamp ) {
- struct background *background;
-
- for ( background = backgrounds ; background < backgrounds_end ;
- background++ ) {
- if ( background->send )
- background->send ( timestamp );
- }
-}
-
-/**
- * Call process method of all background protocols
- *
- * @v timestamp Current time
- * @v ptype Packet type
- * @v ip IP header, if present
- * @ret None -
- * @err None -
- *
- * This calls each background protocol's background::process() method.
- */
-void background_process ( unsigned long timestamp, unsigned short ptype,
- struct iphdr *ip ) {
- struct background *background;
-
- for ( background = backgrounds ; background < backgrounds_end ;
- background++ ) {
- if ( background->process )
- background->process ( timestamp, ptype, ip );
- }
-}
+++ /dev/null
-#ifndef BACKGROUND_H
-#define BACKGROUND_H
-
-/** @file
- *
- * Background protocols
- *
- * Some protocols (e.g. ARP, IGMP) operate in the background; the
- * upper layers are not aware of their operation. When an ARP query
- * for the local station's IP address arrives, Etherboot must reply to
- * it regardless of what other operations are currently in progress.
- *
- * Background protocols are called in two circumstances: when
- * Etherboot is about to poll for a packet, and when Etherboot has
- * received a packet that the upper layer (whatever that may currently
- * be) isn't interested in.
- *
- */
-
-#include <gpxe/tables.h>
-#include "ip.h"
-
-/** A background protocol */
-struct background {
- /** Send method
- *
- * This method will be called whenever Etherboot is about to
- * poll for a packet. The background protocol should use this
- * method to send out any periodic transmissions that it may
- * require.
- */
- void ( *send ) ( unsigned long timestamp );
- /** Process method
- *
- * This method will be called whenever Etherboot has received
- * a packet and doesn't know what to do with it.
- */
- void ( *process ) ( unsigned long timestamp, unsigned short ptype,
- struct iphdr *ip );
-};
-
-/** A member of the background protocols table */
-#define __background __table ( struct background, background, 01 )
-
-/* Functions in background.c */
-
-extern void background_send ( unsigned long timestamp );
-
-extern void background_process ( unsigned long timestamp, unsigned short ptype,
- struct iphdr *ip );
-
-#endif /* BACKGROUND_H */