Re: [PATCH net] hv_netvsc: preserve hw_features on mtu/channels/ringparam changes

2017-11-15 Thread Vitaly Kuznetsov
l.org; linux-ker...@vger.kernel.org; >> de...@linuxdriverproject.org; KY Srinivasan <k...@microsoft.com>; Haiyang >> Zhang <haiya...@microsoft.com>; Stephen Hemminger >> <sthem...@microsoft.com>; Mohammed Gamal <mmo...@redhat.com> >> Subject: Re: [PATC

RE: [PATCH net] hv_netvsc: preserve hw_features on mtu/channels/ringparam changes

2017-11-14 Thread Haiyang Zhang
ct.org; KY Srinivasan <k...@microsoft.com>; Haiyang > Zhang <haiya...@microsoft.com>; Stephen Hemminger > <sthem...@microsoft.com>; Mohammed Gamal <mmo...@redhat.com> > Subject: Re: [PATCH net] hv_netvsc: preserve hw_features on > mtu/channels/ringparam change

Re: [PATCH net] hv_netvsc: preserve hw_features on mtu/channels/ringparam changes

2017-11-14 Thread Vitaly Kuznetsov
Stephen Hemminger writes: > On Tue, 14 Nov 2017 16:22:05 +0100 > Vitaly Kuznetsov wrote: > > Yes, this looks like a real issue. > >> +/* Query hardware capabilities if we're called from netvsc_probe() */ >> +if (!net->hw_features) { >> +

Re: [PATCH net] hv_netvsc: preserve hw_features on mtu/channels/ringparam changes

2017-11-14 Thread Stephen Hemminger
On Tue, 14 Nov 2017 16:22:05 +0100 Vitaly Kuznetsov wrote: Yes, this looks like a real issue. > + /* Query hardware capabilities if we're called from netvsc_probe() */ > + if (!net->hw_features) { > + ret = rndis_netdev_set_hwcaps(net_device,