Re: [PATCH v2 net-next] net: core: use listified Rx for GRO_NORMAL in napi_gro_receive()

From: David Miller
Date: Tue Oct 15 2019 - 21:16:53 EST

From: Alexander Lobakin <alobakin@xxxxxxxx>
Date: Mon, 14 Oct 2019 11:00:33 +0300

> Commit 323ebb61e32b4 ("net: use listified RX for handling GRO_NORMAL
> skbs") made use of listified skb processing for the users of
> napi_gro_frags().
> The same technique can be used in a way more common napi_gro_receive()
> to speed up non-merged (GRO_NORMAL) skbs for a wide range of drivers
> including gro_cells and mac80211 users.
> This slightly changes the return value in cases where skb is being
> dropped by the core stack, but it seems to have no impact on related
> drivers' functionality.
> gro_normal_batch is left untouched as it's very individual for every
> single system configuration and might be tuned in manual order to
> achieve an optimal performance.
> Signed-off-by: Alexander Lobakin <alobakin@xxxxxxxx>
> Acked-by: Edward Cree <ecree@xxxxxxxxxxxxxx>

Applied, thank you.