This adds support for reporting the combined channels count of the
hv_netvsc driver via 'ethtool --show-channels'.
Signed-off-by: Andrew Schwartzmeyer <and...@schwartzmeyer.com>
---
drivers/net/hyperv/netvsc_drv.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 15d82eda0baf..7106e3f88bde 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -687,6 +687,27 @@ static void netvsc_get_drvinfo(struct net_device *net,
strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
}
+static int netvsc_get_channels_combined_count(struct net_device *net)
+{
+ struct net_device_context *net_device_ctx = netdev_priv(net);
+ struct hv_device *dev = net_device_ctx->device_ctx;
+ struct netvsc_device *nvdev = hv_get_drvdata(dev);
+
+ if (!nvdev)
+ return 0;
+ return nvdev->num_chn;
+}
+
+static void netvsc_get_channels(struct net_device *net,
+ struct ethtool_channels *channel)
+{
+ int ret;
+
+ ret = netvsc_get_channels_combined_count(net);
+ if (ret > 0)
+ channel->combined_count = ret;
+}
+
static int netvsc_change_mtu(struct net_device *ndev, int mtu)
{
struct net_device_context *ndevctx = netdev_priv(ndev);
@@ -760,6 +781,7 @@ static void netvsc_poll_controller(struct net_device *net)
static const struct ethtool_ops ethtool_ops = {
.get_drvinfo = netvsc_get_drvinfo,
.get_link = ethtool_op_get_link,
+ .get_channels = netvsc_get_channels,
};
static const struct net_device_ops device_ops = {
--
2.3.0
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