Commit b37879e6 authored by Haiyang Zhang's avatar Haiyang Zhang Committed by David S. Miller
Browse files

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: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aeec3021

drivers/net/hyperv/netvsc_drv.c

+2 −2
Original line number Diff line number Diff line
@@ -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");

drivers/net/hyperv/rndis_filter.c

+24 −0
Original line number Diff line number Diff line
@@ -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,

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