The following patch for the 2.6.18 tree adds get_drvinfo() ("ethtool -i")
support to netloop.
Example:
# ethtool -i vif0.3
driver: netloop
version:
firmware-version:
bus-info: vif-0-3
# ethtool -i veth3
driver: netloop
version:
firmware-version:
bus-info: vif-0-3
Signed-off-by: Laszlo Ersek <lersek@xxxxxxxxxx>
---
drivers/xen/netback/loopback.c | 18 +++++++++++++++---
1 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/xen/netback/loopback.c b/drivers/xen/netback/loopback.c
index 6c45fae..d110f63 100644
--- a/drivers/xen/netback/loopback.c
+++ b/drivers/xen/netback/loopback.c
@@ -62,6 +62,7 @@ MODULE_PARM_DESC(nloopbacks, "Number of netback-loopback
devices to create");
struct net_private {
struct net_device *loopback_dev;
struct net_device_stats stats;
+ int loop_idx;
};
static int loopback_open(struct net_device *dev)
@@ -181,8 +182,17 @@ static struct net_device_stats *loopback_get_stats(struct
net_device *dev)
return &np->stats;
}
+static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ strcpy(info->driver, "netloop");
+ snprintf(info->bus_info, ETHTOOL_BUSINFO_LEN, "vif-0-%d",
+ ((struct net_private *)netdev_priv(dev))->loop_idx);
+}
+
static struct ethtool_ops network_ethtool_ops =
{
+ .get_drvinfo = get_drvinfo,
+
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_csum,
.get_sg = ethtool_op_get_sg,
@@ -200,11 +210,13 @@ static void loopback_set_multicast_list(struct net_device
*dev)
{
}
-static void loopback_construct(struct net_device *dev, struct net_device *lo)
+static void loopback_construct(struct net_device *dev, struct net_device *lo,
+ int loop_idx)
{
struct net_private *np = netdev_priv(dev);
np->loopback_dev = lo;
+ np->loop_idx = loop_idx;
dev->open = loopback_open;
dev->stop = loopback_close;
@@ -250,8 +262,8 @@ static int __init make_loopback(int i)
if (!dev2)
goto fail_netdev2;
- loopback_construct(dev1, dev2);
- loopback_construct(dev2, dev1);
+ loopback_construct(dev1, dev2, i);
+ loopback_construct(dev2, dev1, i);
/*
* Initialise a dummy MAC address for the 'dummy backend' interface. We
--
1.7.2.3
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