diff -ruN ipvsadm-1.24.orig/ipvsadm.c ipvsadm-1.24/ipvsadm.c
--- ipvsadm-1.24.orig/ipvsadm.c	2004-01-10 10:39:03.000000000 +0100
+++ ipvsadm-1.24/ipvsadm.c	2005-09-21 19:16:04.000000000 +0200
@@ -182,7 +182,8 @@
 #define OPT_PERSISTENTCONN	0x20000
 #define OPT_SORT		0x40000
 #define OPT_SYNCID		0x80000
-#define NUMBER_OF_OPT		20
+#define OPT_ONEPACKET		0x100000
+#define NUMBER_OF_OPT		21
 
 static const char* optnames[] = {
 	"numeric",
@@ -205,6 +206,7 @@
 	"persistent-conn",
 	"sort",
 	"syncid",
+	"ops",
 };
 
 /*
@@ -388,6 +390,7 @@
 		{"thresholds", '\0', POPT_ARG_NONE, NULL, '9'},
 		{"persistent-conn", '\0', POPT_ARG_NONE, NULL, 'P'},
 		{"sort", '\0', POPT_ARG_NONE, NULL, '0'},
+		{"ops", 'o', POPT_ARG_NONE, NULL, 'o'},
 		{NULL, 0, 0, NULL, 0}
 	};
 
@@ -492,7 +495,7 @@
 			break;
 		case 'p':
 			set_option(options, OPT_PERSISTENT);
-			ce->svc.flags = IP_VS_SVC_F_PERSISTENT;
+			ce->svc.flags |= IP_VS_SVC_F_PERSISTENT;
 			ce->svc.timeout =
 				parse_timeout(optarg, 1, MAX_TIMEOUT);
 			break;
@@ -590,6 +593,10 @@
 			set_option(options, OPT_SORT);
 			*format |= FMT_SORT;
 			break;
+		case 'o':
+			set_option(options, OPT_ONEPACKET);
+			ce->svc.flags |= IP_VS_SVC_F_ONEPACKET;
+			break;
 		default:
 			fail(2, "invalid option `%s'",
 			     poptBadOption(context, POPT_BADOPTION_NOALIAS));
@@ -636,7 +643,7 @@
 	      unsigned int *options, unsigned int *format)
 {
 	int c, parse;
-	const char *optstring = "AEDCZSRaedlLhvt:u:f:s:M:p::r:gmiw:x:y:cn";
+	const char *optstring = "AEDCZSRaedlLhvt:u:f:s:M:p::r:gmiw:x:y:cno";
 	const struct option long_options[] = {
 		{"add-service", 0, 0, 'A'},
 		{"edit-service", 0, 0, 'E'},
@@ -678,6 +685,7 @@
 		{"thresholds", 0, 0, '9'},
 		{"persistent-conn", 0, 0, 'P'},
 		{"sort", 0, 0, '0'},
+		{"ops", 0, 0, 'o'},
 		{"help", 0, 0, 'h'},
 		{0, 0, 0, 0}
 	};
@@ -801,7 +809,7 @@
 			break;
 		case 'p':
 			set_option(options, OPT_PERSISTENT);
-			ce->svc.flags = IP_VS_SVC_F_PERSISTENT;
+			ce->svc.flags |= IP_VS_SVC_F_PERSISTENT;
 			if (!optarg && optind < argc && argv[optind][0] != '-'
 			    && argv[optind][0] != '!')
 				optarg = argv[optind++];
@@ -902,6 +910,10 @@
 			set_option(options, OPT_SORT);
 			*format |= FMT_SORT;
 			break;
+		case 'o':
+			set_option(options, OPT_ONEPACKET);
+			ce->svc.flags |= IP_VS_SVC_F_ONEPACKET;
+			break;
 		default:
 			fail(2, "invalid option `%s'", argv[optind-1]);
 		}
@@ -960,10 +972,15 @@
 	if (ce.cmd == CMD_ADD || ce.cmd == CMD_EDIT) {
 		/* Make sure that port zero service is persistent */
 		if (!ce.svc.fwmark && !ce.svc.port &&
-		    (ce.svc.flags != IP_VS_SVC_F_PERSISTENT))
+		    (ce.svc.flags & IP_VS_SVC_F_PERSISTENT))
 			fail(2, "Zero port specified "
 			     "for non-persistent service");
 
+		if (ce.svc.flags & IP_VS_SVC_F_ONEPACKET &&
+		    !ce.svc.fwmark && ce.svc.protocol != IPPROTO_UDP)
+			fail(2, "One-Packet Scheduling is only "
+			    "for UDP virtual services");
+
 		/* Set the default scheduling algorithm if not specified */
 		if (strlen(ce.svc.sched_name) == 0)
 			strcpy(ce.svc.sched_name, DEF_SCHED);
@@ -1328,6 +1345,7 @@
 		"  --thresholds                        output of thresholds information\n"
 		"  --persistent-conn                   output of persistent connection info\n"
 		"  --sort                              sorting output of service/server entries\n"
+		"  --ops          -o                   one-packet scheduling\n"
 		"  --numeric      -n                   numeric output of addresses and ports\n",
 		DEF_SCHED);
 
@@ -1629,6 +1647,9 @@
 				printf(" -M %s", inet_ntoa(mask));
 			}
 		}
+		if (se->flags & IP_VS_SVC_F_ONEPACKET) {
+			printf(" ops");
+		}
 	} else if (format & FMT_STATS) {
 		printf("%-33s", svc_name);
 		print_largenum(se->stats.conns);
@@ -1653,6 +1674,9 @@
 				printf(" mask %s", inet_ntoa(mask));
 			}
 		}
+		if (se->flags & IP_VS_SVC_F_ONEPACKET) {
+			printf(" ops");
+ 		}
 	}
 	printf("\n");