Index: iet-0.4.9/kernel/Makefile
diff -u iet-0.4.9/kernel/Makefile:1.1 iet-0.4.9/kernel/Makefile:1.3.4.1
--- iet-0.4.9/kernel/Makefile:1.1	Sun Jun  5 17:16:51 2005
+++ iet-0.4.9/kernel/Makefile	Mon Jun  6 16:54:02 2005
@@ -7,7 +7,7 @@
 #
 # Note 2! The CFLAGS definitions are now in the main makefile.
 
-EXTRA_CFLAGS += -I$(src)/../include 
+EXTRA_CFLAGS += -I$(src)/../include -DCONNSTAT -DTRGTSTAT
 
 obj-m		+= iscsi_trgt.o
 iscsi_trgt-objs	:= tio.o iscsi.o nthread.o wthread.o config.o digest.o \
Index: iet-0.4.9/kernel/conn.c
diff -u iet-0.4.9/kernel/conn.c:1.1 iet-0.4.9/kernel/conn.c:1.3.4.1
--- iet-0.4.9/kernel/conn.c:1.1	Sun Jun  5 17:16:51 2005
+++ iet-0.4.9/kernel/conn.c	Mon Jun  6 16:54:02 2005
@@ -11,6 +11,9 @@
 #include "iscsi.h"
 #include "iscsi_dbg.h"
 #include "digest.h"
+#ifdef CONNSTAT
+#include "scsiop.h"
+#endif
 
 void print_conn_state(struct seq_file *seq, unsigned long state)
 {
@@ -34,6 +37,20 @@
 			   addr(dest,24), addr(dest,16), addr(dest, 8), addr(dest, 0));
 		print_conn_state(seq, conn->state);
 		seq_printf(seq, " hd: %d dd: %d\n", conn->hdigest_type, conn->ddigest_type);
+
+#ifdef CONNSTAT
+		{
+			int i;
+			for (i = 0; i < sizeof(conn->opstat)/sizeof(conn->opstat[0]); i++)
+				if (atomic_read(&conn->opstat[i].success)
+				    || atomic_read(&conn->opstat[i].failure))
+					seq_printf(seq, " op %02x: %10u %10u, %s\n",
+						   i,
+						   atomic_read(&conn->opstat[i].success),
+						   atomic_read(&conn->opstat[i].failure),
+						   opstr(i));
+		}
+#endif
 	}
 }
 
Index: iet-0.4.9/kernel/iscsi.c
diff -u iet-0.4.9/kernel/iscsi.c:1.1 iet-0.4.9/kernel/iscsi.c:1.3.4.1
--- iet-0.4.9/kernel/iscsi.c:1.1	Sun Jun  5 17:16:51 2005
+++ iet-0.4.9/kernel/iscsi.c	Mon Jun  6 16:54:02 2005
@@ -318,8 +318,16 @@
 		rsp_hdr->residual_count = cpu_to_be32(size);
 	}
 
-	if (func(req) < 0)
+	if (func(req) < 0) {
+#ifdef CONNSTAT
+		atomic_inc(&req->conn->opstat[cmnd_hdr(req)->scb[0]].failure);
+#endif
 		eprintk("%x\n", cmnd_opcode(req));
+	}
+#ifdef CONNSTAT
+	else
+		atomic_inc(&req->conn->opstat[cmnd_hdr(req)->scb[0]].success);
+#endif
 
 	iscsi_cmnd_init_write(rsp);
 }
@@ -364,10 +372,17 @@
 	struct iscsi_cmnd *rsp;
 
 	if (func(req) < 0) {
+#ifdef CONNSTAT
+		atomic_inc(&req->conn->opstat[cmnd_hdr(req)->scb[0]].failure);
+#endif
 		rsp = create_sense_rsp(req, ILLEGAL_REQUEST, 0x24, 0x0);
 		iscsi_cmnd_init_write(rsp);
-	} else
+	} else {
+#ifdef CONNSTAT
+		atomic_inc(&req->conn->opstat[cmnd_hdr(req)->scb[0]].success);
+#endif
 		do_send_data_rsp(req);
+	}
 }
 
 /**
Index: iet-0.4.9/kernel/iscsi.h
diff -u iet-0.4.9/kernel/iscsi.h:1.1 iet-0.4.9/kernel/iscsi.h:1.3.4.2
--- iet-0.4.9/kernel/iscsi.h:1.1	Sun Jun  5 17:16:51 2005
+++ iet-0.4.9/kernel/iscsi.h	Mon Jun  6 17:46:41 2005
@@ -219,6 +219,13 @@
 
 	struct crypto_tfm *rx_digest_tfm;
 	struct crypto_tfm *tx_digest_tfm;
+
+#ifdef CONNSTAT
+	/* statistics */
+	struct {
+		atomic_t success, failure;
+	} opstat[0xff];
+#endif
 };
 
 struct iscsi_pdu {
Index: iet-0.4.9/kernel/scsiop.h
diff -u /dev/null iet-0.4.9/kernel/scsiop.h:1.2.4.1
--- /dev/null	Mon Jun  6 19:09:33 2005
+++ iet-0.4.9/kernel/scsiop.h	Mon Jun  6 17:06:43 2005
@@ -0,0 +1,50 @@
+
+#ifndef scsiop_h
+#define scsiop_h
+
+static char scsiop__h[] __attribute__ ((unused, nocommon))
+    = "@(#) $Id: scsiop.h,v 1.2.4.1 2005/06/06 08:06:43 jro Exp $";
+
+#include <scsi/scsi.h>
+#include <linux/cdrom.h>
+
+static inline char *opstr(unsigned int op)
+{
+	switch (op) {
+	case TEST_UNIT_READY:
+		return "TEST_UNIT_READY";
+	case REPORT_LUNS:
+		return "REPORT_LUNS";
+	case INQUIRY:
+		return "INQUIRY";
+	case READ_CAPACITY:
+		return "READ_CAPACITY";
+	case GPCMD_MODE_SENSE_10:
+		return "GPCMD_MODE_SENSE_10";
+	case GPCMD_READ_TOC_PMA_ATIP:
+		return "GPCMD_READ_TOC_PMA_ATIP";
+	case READ_10:
+		return "READ_10";
+	case GPCMD_REPORT_KEY:
+		return "GPCMD_REPORT_KEY";
+	case GPCMD_READ_DVD_STRUCTURE:
+		return "GPCMD_READ_DVD_STRUCTURE";
+	case GPCMD_SEND_KEY:
+		return "GPCMD_SEND_KEY";
+	case GPCMD_READ_DISC_INFO:
+		return "GPCMD_READ_DISC_INFO";
+	case GPCMD_READ_SUBCHANNEL:
+		return "GPCMD_READ_SUBCHANNEL";
+	case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
+		return "GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL";
+	case GPCMD_READ_TRACK_RZONE_INFO:
+		return "GPCMD_READ_TRACK_RZONE_INFO";
+	case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
+		return "GPCMD_GET_EVENT_STATUS_NOTIFICATION";
+	case GPCMD_GET_CONFIGURATION:
+		return "GPCMD_GET_CONFIGURATION";
+	}
+	return "unknown";
+}
+
+#endif				/* scsiop_h */