On Wed, May 20, 2026 at 5:39 PM Rosen Penev <[email protected]> wrote: > > On Wed, May 20, 2026 at 4:57 PM Jakub Kicinski <[email protected]> wrote: > > > > On Sun, 17 May 2026 12:28:56 -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. > > > > GRO should be even better. > GRO will result in slower routing performance because there is no > hardware checksum.
Then provide a knob or something, instead of trying to avoid GRO. For end hosts (forwarding not enabled), checksum will need to be computed anyway. GRO should be faster for them. Note that GRO also uses netif_receive_skb_list_internal()
