[dpdk-dev] [PATCH v6 8/9] kni: add minimal ethtool

[Stephen Hemminger]

Some applications use ethtool so add the minimum ethtool ops.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 kernel/linux/kni/kni_dev.h  |  2 ++
 kernel/linux/kni/kni_misc.c |  1 +
 kernel/linux/kni/kni_net.c  | 14 ++++++++++++++
 3 files changed, 17 insertions(+)

diff --git a/kernel/linux/kni/kni_dev.h b/kernel/linux/kni/kni_dev.h
index ceba5f73c1d9..c1ca6789ce12 100644
--- a/kernel/linux/kni/kni_dev.h
+++ b/kernel/linux/kni/kni_dev.h
@@ -11,6 +11,8 @@
 #endif
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#define KNI_VERSION    "1.0"
+
 #include "compat.h"
 
 #include <linux/if.h>
diff --git a/kernel/linux/kni/kni_misc.c b/kernel/linux/kni/kni_misc.c
index be45f823408f..2b75502a8b0e 100644
--- a/kernel/linux/kni/kni_misc.c
+++ b/kernel/linux/kni/kni_misc.c
@@ -21,6 +21,7 @@
 #include "compat.h"
 #include "kni_dev.h"
 
+MODULE_VERSION(KNI_VERSION);
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_AUTHOR("Intel Corporation");
 MODULE_DESCRIPTION("Kernel Module for managing kni devices");
diff --git a/kernel/linux/kni/kni_net.c b/kernel/linux/kni/kni_net.c
index 320d51d7fc83..319ee2dcb19a 100644
--- a/kernel/linux/kni/kni_net.c
+++ b/kernel/linux/kni/kni_net.c
@@ -13,6 +13,7 @@
 #include <linux/version.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h> /* eth_type_trans */
+#include <linux/ethtool.h>
 #include <linux/skbuff.h>
 #include <linux/kthread.h>
 #include <linux/delay.h>
@@ -725,6 +726,18 @@ static const struct net_device_ops kni_net_netdev_ops = {
 #endif
 };
 
+static void kni_get_drvinfo(struct net_device *dev,
+                           struct ethtool_drvinfo *info)
+{
+       strlcpy(info->version, KNI_VERSION, sizeof(info->version));
+       strlcpy(info->driver, "kni", sizeof(info->driver));
+}
+
+static const struct ethtool_ops kni_net_ethtool_ops = {
+       .get_drvinfo    = kni_get_drvinfo,
+       .get_link       = ethtool_op_get_link,
+};
+
 void
 kni_net_init(struct net_device *dev)
 {
@@ -736,6 +749,7 @@ kni_net_init(struct net_device *dev)
        ether_setup(dev); /* assign some of the fields */
        dev->netdev_ops      = &kni_net_netdev_ops;
        dev->header_ops      = &kni_net_header_ops;
+       dev->ethtool_ops     = &kni_net_ethtool_ops;
        dev->watchdog_timeo = WD_TIMEOUT;
 }
 
-- 
2.20.1