On Mon, 12 Oct 2020 00:29:52 +0200 Heiner Kallweit wrote: > On 12.10.2020 00:10, Jakub Kicinski wrote: > > On Sun, 11 Oct 2020 21:34:58 +0200 Heiner Kallweit wrote: > >> In several places the same code is used to populate rtnl_link_stats64 > >> fields with data from pcpu_sw_netstats. Therefore factor out this code > >> to a new function dev_fetch_sw_netstats(). > > > > FWIW probably fine to convert nfp_repr_get_host_stats64() as well, just > > take out the drop counter and make it a separate atomic. If you're up > > for that. > > > Looking at nfp_repr_get_host_stats64() I'm not sure why the authors > decided to add a 64bit tx drop counter, struct net_device_stats has > an unsigned long tx_dropped counter already. And that the number of > dropped tx packets exceeds 32bit (on 32bit systems) seems not very > likely.
struct net_device::stats? That's not per-cpu. Or do you mean struct net_device::tx_dropped? That'd work nicely.
