On Thu, Oct 29, 2020 at 10:31 PM Xie He <xie.he.0...@gmail.com> wrote: > > 1. > When the fr_rx function drops a received frame (because the protocol type > is not supported, or because the PVC virtual device that corresponds to > the DLCI number and the protocol type doesn't exist), the function frees > the skb and returns. > > The code for freeing the skb and returning is repeated several times, this > patch uses "goto rx_drop" to replace them so that the code looks cleaner. > > 2. > Add code to increase the stats.rx_dropped count whenever we drop a frame. > Increase the stats.rx_dropped count both after "goto rx_drop" and after > "goto rx_error" because I think we should increase this value whenever an > skb is dropped.
In general we try to avoid changing counter behavior like that, as existing users may depend on current behavior, e.g., in dashboards or automated monitoring. I don't know how realistic that is in this specific case, no strong objections. Use good judgment.