From 1569624fd2e7334433113675df01a1550b5632a1 Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Date: Sun, 2 Jan 2011 17:45:55 +1100
Subject: [PATCH] Add a new helper function _set_itt() that can be used to set
 the itt of a pdu, instead of having to twiddle the bits and bytes manually.

---
 include/iscsi-private.h | 1 +
 lib/pdu.c               | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/iscsi-private.h b/include/iscsi-private.h
index 859391a..1cd6367 100644
--- a/include/iscsi-private.h
+++ b/include/iscsi-private.h
@@ -183,6 +183,7 @@ void iscsi_pdu_set_cmdsn(struct iscsi_pdu *pdu, uint32_t cmdsn);
 void iscsi_pdu_set_lun(struct iscsi_pdu *pdu, uint32_t lun);
 void iscsi_pdu_set_expstatsn(struct iscsi_pdu *pdu, uint32_t expstatsnsn);
 void iscsi_pdu_set_expxferlen(struct iscsi_pdu *pdu, uint32_t expxferlen);
+void iscsi_pdu_set_itt(struct iscsi_pdu *pdu, uint32_t itt);
 int iscsi_pdu_add_data(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
 		       unsigned char *dptr, int dsize);
 int iscsi_queue_pdu(struct iscsi_context *iscsi, struct iscsi_pdu *pdu);
diff --git a/lib/pdu.c b/lib/pdu.c
index 07d058b..8711e92 100644
--- a/lib/pdu.c
+++ b/lib/pdu.c
@@ -280,6 +280,12 @@ iscsi_process_pdu(struct iscsi_context *iscsi, struct iscsi_in_pdu *in)
 	return 0;
 }
 
+void
+iscsi_pdu_set_itt(struct iscsi_pdu *pdu, uint32_t itt)
+{
+	*(uint32_t *)&pdu->outdata.data[16] = htonl(itt);
+}
+
 void
 iscsi_pdu_set_pduflags(struct iscsi_pdu *pdu, unsigned char flags)
 {