On Wed, 10 Oct 2018 16:40:56 +0300, Or Gerlitz wrote: > On Tue, Oct 9, 2018 at 4:58 AM Jakub Kicinski > <jakub.kicin...@netronome.com> wrote: > > > Given that our statistic IDs are already array indices, and considering > > each statistic is only 24B in size, we decided to forego the use > > 8B packet + 8B bytes --> 16B -- does your FW/HW provide last use? how do > you express this lastuse value in host jiffies?
24B is the size of the structure we keep in the driver, which costs host memory. The message from FW contains this: struct nfp_fl_stats_frame { __be32 stats_con_id; __be32 pkt_count; __be64 byte_count; __be64 stats_cookie; };