rarp: Condtionally compile rarp support

Most people don't use the 'rarpboot' command, so only enable it when
CONFIG_CMD_RARP is defined.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

common/cmd_net.c

@@ -54,6 +54,7 @@ U_BOOT_CMD(
 	"[loadAddress] [[hostIPaddr:]bootfilename]"
 );
 
+#ifdef CONFIG_CMD_RARP
 int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	return netboot_common (RARP, cmdtp, argc, argv);
@@ -64,6 +65,7 @@ U_BOOT_CMD(
 	"boot image via network using RARP/TFTP protocol",
 	"[loadAddress] [[hostIPaddr:]bootfilename]"
 );
+#endif
 
 #if defined(CONFIG_CMD_DHCP)
 int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

include/config_cmd_all.h

@@ -70,6 +70,7 @@
 #define CONFIG_CMD_PORTIO	/* Port I/O			*/
 #define CONFIG_CMD_REGINFO	/* Register dump		*/
 #define CONFIG_CMD_REISER	/* Reiserfs support		*/
+#define CONFIG_CMD_RARP		/* rarpboot support		*/
 #define CONFIG_CMD_RUN		/* run command in env variable	*/
 #define CONFIG_CMD_SAVEENV	/* saveenv			*/
 #define CONFIG_CMD_SAVES	/* save S record dump		*/

net/Makefile

@@ -32,7 +32,7 @@ COBJS-$(CONFIG_CMD_DNS)  += dns.o
 COBJS-$(CONFIG_CMD_NET)  += eth.o
 COBJS-$(CONFIG_CMD_NET)  += net.o
 COBJS-$(CONFIG_CMD_NFS)  += nfs.o
-COBJS-$(CONFIG_CMD_NET)  += rarp.o
+COBJS-$(CONFIG_CMD_RARP) += rarp.o
 COBJS-$(CONFIG_CMD_SNTP) += sntp.o
 COBJS-$(CONFIG_CMD_NET)  += tftp.o
 

net/net.c

@@ -80,7 +80,9 @@
 #include <net.h>
 #include "bootp.h"
 #include "tftp.h"
+#ifdef CONFIG_CMD_RARP
 #include "rarp.h"
+#endif
 #include "nfs.h"
 #ifdef CONFIG_STATUS_LED
 #include <status_led.h>
@@ -401,11 +403,13 @@ restart:
 			BootpRequest ();
 			break;
 
+#if defined(CONFIG_CMD_RARP)
 		case RARP:
 			RarpTry = 0;
 			NetOurIP = 0;
 			RarpRequest ();
 			break;
+#endif
 #if defined(CONFIG_CMD_PING)
 		case PING:
 			PingStart();
@@ -1492,6 +1496,7 @@ NetReceive(volatile uchar * inpkt, int len)
 		}
 		break;
 
+#ifdef CONFIG_CMD_RARP
 	case PROT_RARP:
 		debug("Got RARP\n");
 		arp = (ARP_t *)ip;
@@ -1515,7 +1520,7 @@ NetReceive(volatile uchar * inpkt, int len)
 			(*packetHandler)(0,0,0,0);
 		}
 		break;
-
+#endif
 	case PROT_IP:
 		debug("Got IP\n");
 		/* Before we start poking the header, make sure it is there */
@@ -1729,10 +1734,12 @@ static int net_check_prereq (proto_t protocol)
 		}
 		/* Fall through */
 
-	case DHCP:
+#ifdef CONFIG_CMD_RARP
 	case RARP:
+#endif
 	case BOOTP:
 	case CDP:
+	case DHCP:
 		if (memcmp (NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
 #ifdef CONFIG_NET_MULTI
 			extern int eth_get_dev_index (void);