summaryrefslogtreecommitdiff
path: root/net/arp.c
diff options
context:
space:
mode:
authorwdenk <wdenk>2003-06-05 19:27:42 +0000
committerwdenk <wdenk>2003-06-05 19:27:42 +0000
commit73a8b27c574f5ec1c8fdd9d8d065bb845d8743d3 (patch)
treef409359364776e565b9484337a0620388041b456 /net/arp.c
parent08eaea9c9fa4e8ea25325610c512cb90b6bea1dd (diff)
* Add support for RMU board
* Add support for TQM862L at 100/50 MHz * Patch by Pantelis Antoniou, 02 Jun 2003: major reconstruction of networking code; add "ping" support (outgoing only!)
Diffstat (limited to 'net/arp.c')
-rw-r--r--net/arp.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/net/arp.c b/net/arp.c
deleted file mode 100644
index c09dc1aac8f..00000000000
--- a/net/arp.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <net.h>
-#include "bootp.h"
-#include "tftp.h"
-#include "arp.h"
-
-#if (CONFIG_COMMANDS & CFG_CMD_NET)
-
-#define TIMEOUT 5 /* Seconds before trying ARP again */
-#ifndef CONFIG_NET_RETRY_COUNT
-# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
-#else
-# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
-#endif
-
-static void ArpHandler(uchar *pkt, unsigned dest, unsigned src, unsigned len);
-static void ArpTimeout(void);
-
-int ArpTry = 0;
-
-/*
- * Handle a ARP received packet.
- */
-static void
-ArpHandler(uchar *pkt, unsigned dest, unsigned src, unsigned len)
-{
- /* Check if the frame is really an ARP reply */
- if (memcmp (NetServerEther, NetBcastAddr, 6) != 0) {
-#ifdef DEBUG
- printf("Got good ARP - start TFTP\n");
-#endif
- TftpStart ();
- }
-}
-
-
-/*
- * Timeout on ARP request.
- */
-static void
-ArpTimeout(void)
-{
- if (ArpTry >= TIMEOUT_COUNT) {
- puts ("\nRetry count exceeded; starting again\n");
- NetStartAgain ();
- } else {
- NetSetTimeout (TIMEOUT * CFG_HZ, ArpTimeout);
- ArpRequest ();
- }
-}
-
-
-void
-ArpRequest (void)
-{
- int i;
- volatile uchar *pkt;
- ARP_t * arp;
-
- printf("ARP broadcast %d\n", ++ArpTry);
- pkt = NetTxPacket;
-
- NetSetEther(pkt, NetBcastAddr, PROT_ARP);
- pkt += ETHER_HDR_SIZE;
-
- arp = (ARP_t *)pkt;
-
- arp->ar_hrd = htons(ARP_ETHER);
- arp->ar_pro = htons(PROT_IP);
- arp->ar_hln = 6;
- arp->ar_pln = 4;
- arp->ar_op = htons(ARPOP_REQUEST);
-
- memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
- NetWriteIP((uchar*)&arp->ar_data[6], NetOurIP); /* source IP addr */
- for (i=10; i<16; ++i) {
- arp->ar_data[i] = 0; /* dest ET addr = 0 */
- }
-
- if((NetServerIP & NetOurSubnetMask) != (NetOurIP & NetOurSubnetMask)) {
- if (NetOurGatewayIP == 0) {
- puts ("## Warning: gatewayip needed but not set\n");
- }
- NetWriteIP((uchar*)&arp->ar_data[16], NetOurGatewayIP);
- } else {
- NetWriteIP((uchar*)&arp->ar_data[16], NetServerIP);
- }
-
-
- NetSendPacket(NetTxPacket, ETHER_HDR_SIZE + ARP_HDR_SIZE);
-
- NetSetTimeout(TIMEOUT * CFG_HZ, ArpTimeout);
- NetSetHandler(ArpHandler);
-}
-
-#endif /* CFG_CMD_NET */