On Mon, 2014-01-13 at 11:40 +0200, Michael S. Tsirkin wrote: > On Sun, Jan 12, 2014 at 03:32:28PM -0800, Michael Dalton wrote: [...] > > The last issue is how the rx_queue_attribute 'show' function > > implementation for mergeable_rx_buffer_size will access the appropriate > > per-receive queue EWMA data. The arguments to the show function will be > > the netdev_rx_queue and the attribute itself. We can get to the > > struct net_device from the netdev_rx_queue. If we extended > > netdev_rx_queue to indicate the queue_index or to store a void *priv_data > > pointer, that would be sufficient to allow us to resolve this issue. > > Hmm netdev_rx_queue is not defined unless CONFIG_RPS is set. > Maybe we should use a different structure. [...] I don't think RPS should own this structure. It's just that there are currently no per-RX-queue attributes other than those defined by RPS. By the way, CONFIG_RPS is equivalent to CONFIG_SMP so will likely be enabled already in most places where virtio_net is used. Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization