[ofa-general] [PATCH - 12] - ipoib add ethtool support

[Eli Cohen]

Add ethtool support to ipoib

Signed-off-by: Eli Cohen <eli at mellnaox.co.il>

---

This one is actually the foundation with no real contecxt. I think
we can add here all the logic of wheather to allow using a certain
feature, e.g. checksum offload, scatter/gather etc. and decide on
all the dependencies.

Index: linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/Makefile
===================================================================
--- linux-2.6.23-rc1.orig/drivers/infiniband/ulp/ipoib/Makefile	2007-08-15 20:50:11.000000000 +0300
+++ linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/Makefile	2007-08-15 20:50:39.000000000 +0300
@@ -4,7 +4,8 @@ ib_ipoib-y					:= ipoib_main.o \
 						   ipoib_ib.o \
 						   ipoib_multicast.o \
 						   ipoib_verbs.o \
-						   ipoib_vlan.o
+						   ipoib_vlan.o \
+						   ipoib_etool.o
 ib_ipoib-$(CONFIG_INFINIBAND_IPOIB_CM)		+= ipoib_cm.o
 ib_ipoib-$(CONFIG_INFINIBAND_IPOIB_DEBUG)	+= ipoib_fs.o
 
Index: linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib_etool.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib_etool.c	2007-08-15 20:50:39.000000000 +0300
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $Id: ipoib_etool.c  $
+ */
+
+#include <linux/kernel.h>
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+
+#include "ipoib.h"
+
+static void ipoib_get_drvinfo(struct net_device *netdev,
+			      struct ethtool_drvinfo *drvinfo)
+{
+	strncpy(drvinfo->driver, "ipoib", sizeof(drvinfo->driver) - 1);
+}
+
+static const struct ethtool_ops ipoib_ethtool_ops = {
+	.get_drvinfo            = ipoib_get_drvinfo,
+	.get_tso		= ethtool_op_get_tso,
+};
+
+void ipoib_set_ethtool_ops(struct net_device *dev)
+{
+	SET_ETHTOOL_OPS(dev, &ipoib_ethtool_ops);
+}
Index: linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib.h
===================================================================
--- linux-2.6.23-rc1.orig/drivers/infiniband/ulp/ipoib/ipoib.h	2007-08-15 20:50:38.000000000 +0300
+++ linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib.h	2007-08-15 20:50:39.000000000 +0300
@@ -440,6 +440,8 @@ void ipoib_pkey_poll(struct work_struct 
 int ipoib_pkey_dev_delay_open(struct net_device *dev);
 void ipoib_drain_cq(struct net_device *dev);
 
+void ipoib_set_ethtool_ops(struct net_device *dev);
+
 #ifdef CONFIG_INFINIBAND_IPOIB_CM
 
 #define IPOIB_FLAGS_RC          0x80
Index: linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib_main.c
===================================================================
--- linux-2.6.23-rc1.orig/drivers/infiniband/ulp/ipoib/ipoib_main.c	2007-08-15 20:50:38.000000000 +0300
+++ linux-2.6.23-rc1/drivers/infiniband/ulp/ipoib/ipoib_main.c	2007-08-15 20:50:39.000000000 +0300
@@ -956,6 +956,7 @@ static void ipoib_setup(struct net_devic
 	dev->neigh_setup         = ipoib_neigh_setup_dev;
 	dev->poll                = ipoib_poll;
 	dev->weight              = 100;
+	ipoib_set_ethtool_ops(dev);
 
 	dev->watchdog_timeo 	 = HZ;