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Michael Brown
179
contrib/wakeonlan/wakeserver.patch
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179
contrib/wakeonlan/wakeserver.patch
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To: etherboot-developers@lists.sourceforge.net
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X-face: #Qvg5o3u!)WoVDDi4-bFy`fl@""4^pm68%_,`puon{0Q6lQ-O,)3D.J.":A&^,#4O2vc8`?
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3^1lhBh=EQH,"Qq*e1vY":she&t^8:!&Fb32Ed:nM2Y<E9|i[+z20G?CO=E=-IWv;bL"=Y`+`q,ML6
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,!Me?==j&In1
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Mime-Version: 1.0
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Content-Type: multipart/mixed ;
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boundary="==_Exmh_-19971541890"
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From: Tilmann Bubeck <bubeck@think-at-work.de>
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Message-Id: <20010219195622.C97A84ABD8@chaos.think-at-work.de>
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Subject: [Etherboot-developers] Wake-on-LAN patch
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Sender: etherboot-developers-admin@lists.sourceforge.net
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List-Archive: <http://lists.sourceforge.net/archives//etherboot-developers/>
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Date: Mon, 19 Feb 2001 20:56:22 +0100
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Status: RO
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Content-Length: 5351
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Lines: 152
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--==_Exmh_-19971541890
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Content-Type: text/plain; charset=us-ascii
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Hello!
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please find enclosed a patch to optionally enable etherboot to start the
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server it is booting from by sending a magic wake-on-lan packet to the
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sleeping server first.
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This is very important for an etherboot-server, which is not running all the
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time and is not easily accessible from the etherboot machine (e.g. because it
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is installed in the basement of the house and one must climb several stairs to
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switch the server on...)
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Are the authors of etherboot willing to accept this patch for inclusion?
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Please note, that the wake-on-lan code is only compiled in, when setting
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appropriate flags in src/Config.
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If you don't want to include the patch, should I change anything of the
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implementation or do you dislike the idea at all?
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Thanks!
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Till
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+-------+--------------------------------------------------------------+
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| | dr. tilmann bubeck think@work it consulting |
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| | professional services |
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| think | cell.: +49 172 8842972 widmaierstrasse 58 |
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| @work | fax : +49 711 7227734 70567 stuttgart |
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| | email: bubeck@think-at-work.de http://www.think-at-work.de |
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+-------+ -------------------------------------------------------------+
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--==_Exmh_-19971541890
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Content-Type: application/x-patch ; name="etherboot-4.7.17-wol.patch"
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Content-Description: etherboot-4.7.17-wol.patch
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Content-Disposition: attachment; filename="etherboot-4.7.17-wol.patch"
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diff -r -u etherboot-4.7.17/src/Config etherboot-4.7.17-wol/src/Config
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--- etherboot-4.7.17/src/Config Sat Jan 6 16:25:23 2001
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+++ etherboot-4.7.17-wol/src/Config Mon Feb 19 20:28:00 2001
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@@ -113,6 +113,16 @@
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# -DINTERNAL_BOOTP_DATA
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# - define if the area 0x93C00-0x93FFF is not available
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# for use for bootpd_data by the loader for some reason
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+# -DWAKEUP_SERVER
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+# - define this for sending a Wake-On-LAN (WOL)
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+# "Magic Packet" to a sleeping server, before trying
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+# a etherboot. Useful if your server is soft-off all
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+# the time and must be switched on when booting a
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+# client. Define SERVER_MAC with the MAC address of the
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+# server to wakeup. CAUTION! This MAC address is
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+# stored in the rom image. The rom is therefore not
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+# generic anymore but tailored for a specific
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+# server!
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# These default settings compile Etherboot with a small number of options.
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# You may wish to enable more of the features if the size of your ROM allows.
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@@ -142,6 +152,10 @@
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# These flags affect the loader that is prepended to the Etherboot image
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LCONFIG+= -DMOVEROM
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+
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+# Include code for sending a Wake-On-LAN (WOL) "Magic Packet" to a sleeping
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+# server, before trying a etherboot.
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+CFLAGS32+= -DWAKEUP_SERVER -DSERVER_MAC=0x00,0x01,0x02,0xDA,0xDF,0x77
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# you should normally not need to change these
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RM= rm -f
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diff -r -u etherboot-4.7.17/src/main.c etherboot-4.7.17-wol/src/main.c
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--- etherboot-4.7.17/src/main.c Fri Jan 5 12:45:29 2001
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+++ etherboot-4.7.17-wol/src/main.c Thu Feb 8 20:46:59 2001
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@@ -137,6 +137,7 @@
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* declarations, but in this case I like to see main() as the first
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* routine.
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*/
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+static void wakeup_server(void) ;
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static int bootp(void);
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static int rarp(void);
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static void load(void);
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@@ -217,6 +218,11 @@
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rfc951_sleep(++card_retries);
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}
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#endif
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+
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+#ifdef WAKEUP_SERVER
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+ wakeup_server();
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+#endif
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+
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while (1) {
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/* -1: timeout or ESC
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-2: error return from loader
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@@ -650,6 +656,46 @@
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return (0);
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}
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#endif /* DOWNLOAD_PROTO_TFTP */
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+
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+#ifdef WAKEUP_SERVER
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+#ifndef SERVER_MAC
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+#error "Please define SERVER_MAC to the MAC address of the sleeping server"
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+#endif
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+
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+/**************************************************************************
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+WOL - Wake up a sleeping server by transmitting a Wake-On-LAN (WOL) "Magic
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+ Packet", used for restarting machines that have been soft-powered-down
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+ (ACPI D3-warm state). It currently generates the standard AMD Magic
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+ Packet format.
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+**************************************************************************/
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+static void wakeup_server(void)
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+{
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+ unsigned char data[100];
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+ int i, len, retry;
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+ char server_adr[] = { SERVER_MAC };
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+ unsigned long time;
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+
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+ /* build "Magic Packet" */
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+ len = 0;
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+ data[len++] = 0xff;
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+ data[len++] = 0xff;
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+ data[len++] = 0xff;
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+ data[len++] = 0xff;
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+ data[len++] = 0xff;
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+ data[len++] = 0xff;
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+ for ( i = 0; i < 16; i++ ) {
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+ memcpy(&data[len], server_adr, 6);
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+ len += 6;
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+ }
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+
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+ printf("Sending Wake-On-LAN (WOL) \"Magic Packet\" to server %b:%b:%b:%b:%b:%b...",
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+ server_adr[0], server_adr[1], server_adr[2],
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+ server_adr[3], server_adr[4], server_adr[5]);
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+
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+ eth_transmit(broadcast, 0x0842, len, data);
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+ printf("done\n");
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+}
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+#endif
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#ifdef RARP_NOT_BOOTP
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/**************************************************************************
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--==_Exmh_-19971541890--
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_______________________________________________
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Etherboot-developers mailing list
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Etherboot-developers@lists.sourceforge.net
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http://lists.sourceforge.net/lists/listinfo/etherboot-developers
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