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authorHaiyang Zhang <haiyangz@microsoft.com>2016-08-04 10:42:14 -0700
committerDavid S. Miller <davem@davemloft.net>2016-08-08 16:14:07 -0700
commitb37879e6ca7079943542048da37f00a386c30cee (patch)
treeb398f0db2647000214fededccd7c2dadbf108531 /drivers/net/hyperv
parentnet: ethernet: ti: cpdma: remove used_desc counter (diff)
downloadlinux-dev-b37879e6ca7079943542048da37f00a386c30cee.tar.xz
linux-dev-b37879e6ca7079943542048da37f00a386c30cee.zip
hv_netvsc: Add query for initial physical link speed
The physical link speed value will be reported by ethtool command. The real speed is available from Windows 2016 host or later. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv')
-rw-r--r--drivers/net/hyperv/netvsc_drv.c4
-rw-r--r--drivers/net/hyperv/rndis_filter.c24
2 files changed, 26 insertions, 2 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 41bd952cc28d..3e5356b6f825 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1352,6 +1352,8 @@ static int netvsc_probe(struct hv_device *dev,
netif_carrier_off(net);
+ netvsc_init_settings(net);
+
net_device_ctx = netdev_priv(net);
net_device_ctx->device_ctx = dev;
net_device_ctx->msg_enable = netif_msg_init(debug, default_msg);
@@ -1410,8 +1412,6 @@ static int netvsc_probe(struct hv_device *dev,
netif_set_real_num_tx_queues(net, nvdev->num_chn);
netif_set_real_num_rx_queues(net, nvdev->num_chn);
- netvsc_init_settings(net);
-
ret = register_netdev(net);
if (ret != 0) {
pr_err("Unable to register netdev.\n");
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 8e830f741d47..dd3b3352a950 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -752,6 +752,28 @@ static int rndis_filter_query_device_link_status(struct rndis_device *dev)
return ret;
}
+static int rndis_filter_query_link_speed(struct rndis_device *dev)
+{
+ u32 size = sizeof(u32);
+ u32 link_speed;
+ struct net_device_context *ndc;
+ int ret;
+
+ ret = rndis_filter_query_device(dev, RNDIS_OID_GEN_LINK_SPEED,
+ &link_speed, &size);
+
+ if (!ret) {
+ ndc = netdev_priv(dev->ndev);
+
+ /* The link speed reported from host is in 100bps unit, so
+ * we convert it to Mbps here.
+ */
+ ndc->speed = link_speed / 10000;
+ }
+
+ return ret;
+}
+
int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter)
{
struct rndis_request *request;
@@ -1044,6 +1066,8 @@ int rndis_filter_device_add(struct hv_device *dev,
if (net_device->nvsp_version < NVSP_PROTOCOL_VERSION_5)
return 0;
+ rndis_filter_query_link_speed(rndis_device);
+
/* vRSS setup */
memset(&rsscap, 0, rsscap_size);
ret = rndis_filter_query_device(rndis_device,