> -----Original Message----- > From: Andrew Schwartzmeyer [mailto:andrew@xxxxxxxxxxxxxxxxx] > Sent: Thursday, February 26, 2015 1:43 AM > To: Haiyang Zhang > Cc: KY Srinivasan; devel@xxxxxxxxxxxxxxxxxxxxxx; hall5714@xxxxxxxxxxxxxxxxxx; > keithd@xxxxxxxxxxxxxxxxxx; doma8101@xxxxxxxxxxxxxxxxxx > Subject: [PATCH] Implement Hyper-V netvsc_get_channels() ethool op > > This adds support for reporting the combined channels count of the hv_netvsc > driver via 'ethtool --show-channels'. > > Signed-off-by: Andrew Schwartzmeyer <andrew@xxxxxxxxxxxxxxxxx> > --- > 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 The netvsc_get_channels_combined_count() only gets the variable, please merge it into the netvsc_get_channels(). max_combined should also be assigned. In rndis_filter_device_add() rsscap.num_recv_que contains the max. You should add another field to struct netvsc_device, so its value can be accessed later. Thanks, - Haiyang _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
