On Sun, May 17, 2026 at 1:24 PM Andrew Lunn <[email protected]> wrote: > > On Sun, May 17, 2026 at 12:28:56PM -0700, Rosen Penev wrote: > > Collect received skbs on a local list during RX polling and pass the > > completed batch to netif_receive_skb_list(). This lets the networking > > stack process packets from a poll cycle in bulk instead of handing each > > skb up individually. > > So my first through was, why is the core not doing this? The core NAPI > poll code can initialise the list. netif_receive_skb() withing the > driver poll would see there is a list and append to it. And when the > poll finished the NAPI core would pass the list up the stack? Maybe > this already exists and this driver is just using the wrong API? I do not know. I know several drivers are already using netif_receive_skb_list, some even which support hardware checksumming. See 0a25d92c6f4facaf2852f1aac4cebfe01dd57a91
The core seems to use netif_receive_skb_list_internal. I do not know the details. Anyway, the performance difference is real. > > Andrew
