From e35bdee97477e65866b2c110f0e4b1affe4e983d Mon Sep 17 00:00:00 2001
From: Harish Zunjarrao <harish.zunjarrao@qlogic.com> 
Date: Wed, 12 Oct 2011 19:12:03 +0530
Subject: [PATCH 1/2] iscsi tools: Add Netconfig support through libiscsi

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
---
 libiscsi/libiscsi.c |   25 +++++++++++++++++++++++++
 libiscsi/libiscsi.h |   16 ++++++++++++++++
 2 files changed, 41 insertions(+), 0 deletions(-)

diff --git a/libiscsi/libiscsi.c b/libiscsi/libiscsi.c
index 42f2e3b..dc63fcd 100644
--- a/libiscsi/libiscsi.c
+++ b/libiscsi/libiscsi.c
@@ -38,9 +38,13 @@
 #include "fw_context.h"
 #include "iscsid_req.h"
 #include "iscsi_err.h"
+#include "iscsi_ipc.h"
+#include "transport.h"
 
 #define CHECK(a) { context->error_str[0] = 0; rc = a; if (rc) goto leave; }
 
+extern struct iscsi_ipc *ipc;
+
 /* UGLY, not thread safe :( */
 static int sysfs_initialized = 0;
 
@@ -610,3 +614,24 @@ int libiscsi_get_firmware_initiator_name(char *initiatorname)
 
 	return 0;
 }
+
+int libiscsi_set_netconfig(struct libiscsi_context *context,
+			   uint32_t host_no, char *transport_name,
+			    struct iovec *iovs, int param_count)
+{
+	struct iscsi_transport *t = NULL;
+	int fd;
+	int rc = 1;
+
+	t = iscsi_sysfs_get_transport_by_name(transport_name);
+	if (!t)
+		return ENODEV;
+
+	fd = ipc->ctldev_open();
+	if (fd < 0)
+		return ENODEV;
+
+	rc = ipc->set_net_config(t->handle, host_no, iovs, param_count);
+	ipc->ctldev_close();
+	return rc;
+}
diff --git a/libiscsi/libiscsi.h b/libiscsi/libiscsi.h
index 756590e..61ce0ea 100644
--- a/libiscsi/libiscsi.h
+++ b/libiscsi/libiscsi.h
@@ -335,6 +335,22 @@ PUBLIC int libiscsi_get_firmware_network_config(
  */
 PUBLIC int libiscsi_get_firmware_initiator_name(char *initiatorname);
 
+/** \brief Set Network Configuration Settings
+ *
+ * Set Network Configuration Settings
+ *
+ * \param context              libiscsi context to operate on.
+ * \param host_no              Host number of the port.
+ * \param transport_name       Transport Class Name.
+ * \param iovs                 Pointer to IO Vectors of Netconfig paramaters.
+ * \param param_count          Number to IO Vectors.
+ *
+ * \return              0 on success, ENODEV when set netconfig failed.
+ */
+PUBLIC int libiscsi_set_netconfig(struct libiscsi_context *context,
+				  uint32_t host_no, char *transport_name,
+				  struct iovec *iovs, int param_count);
+
 #undef PUBLIC
 
 #ifdef __cplusplus
-- 
1.7.1