netdev - Re: [PATCH net-next 0/4] net: gro: cleanups and fast path refinement

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Message-ID: <96aa26f97ae4eaf2b4b54d160da4105f254dca6b.camel@redhat.com>
Date: Mon, 04 Mar 2024 11:30:46 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller"
 <davem@...emloft.net>,  Jakub Kicinski <kuba@...nel.org>
Cc: Richard Gobert <richardbgobert@...il.com>, netdev@...r.kernel.org, 
	eric.dumazet@...il.com
Subject: Re: [PATCH net-next 0/4] net: gro: cleanups and fast path refinement

On Fri, 2024-03-01 at 19:37 +0000, Eric Dumazet wrote:
> Current GRO stack has a 'fast path' for a subset of drivers,
> users of napi_frags_skb().
> 
> With TCP zerocopy/direct uses, header split at receive is becoming
> more important, and GRO fast path is disabled.
> 
> This series makes GRO (a bit) more efficient for almost all use cases.
> 
> Eric Dumazet (4):
>   net: gro: rename skb_gro_header_hard()
>   net: gro: change skb_gro_network_header()
>   net: gro: enable fast path for more cases
>   tcp: gro: micro optimizations in tcp[4]_gro_complete()
> 
>  drivers/net/geneve.c   |  2 +-
>  include/net/gro.h      | 34 ++++++++++++++++------------------
>  net/core/gro.c         | 25 +++++++++++++++++--------
>  net/ipv4/fou_core.c    |  2 +-
>  net/ipv4/gre_offload.c |  2 +-
>  net/ipv4/tcp_offload.c | 19 ++++++++++---------
>  6 files changed, 46 insertions(+), 38 deletions(-)

Many thanks, looks great!

Acked-by: Paolo Abeni <pabeni@...hat.com>