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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>
This commit is contained in:
Haiyang Zhang 2016-08-04 10:42:14 -07:00 committed by David S. Miller
parent aeec302104
commit b37879e6ca
2 changed files with 26 additions and 2 deletions
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4
drivers/net/hyperv/netvsc_drv.c
View File

@ -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");

24
drivers/net/hyperv/rndis_filter.c
View File

@ -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,