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| author | Haiyang Zhang <haiyangz@microsoft.com> | 2016-08-04 10:42:14 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-08 16:14:07 -0700 |
| commit | b37879e6ca7079943542048da37f00a386c30cee (patch) | |
| tree | b398f0db2647000214fededccd7c2dadbf108531 /drivers/net/hyperv/rndis_filter.c | |
| parent | aeec3021043b66a1418df416e1ba83def070cef1 (diff) | |
| download | op-kernel-dev-b37879e6ca7079943542048da37f00a386c30cee.zip op-kernel-dev-b37879e6ca7079943542048da37f00a386c30cee.tar.gz | |
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/rndis_filter.c')
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 8e830f7..dd3b335 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, |
