netdev - Re: [RFC/RFT v2 0/3] Introduce GRO support to cpumap codebase

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Message-ID: <c5977a24-ba1e-4089-a74e-4b94ca239d36@intel.com>
Date: Mon, 16 Sep 2024 17:10:49 +0200
From: Alexander Lobakin <aleksander.lobakin@...el.com>
To: Lorenzo Bianconi <lorenzo@...nel.org>
CC: <bpf@...r.kernel.org>, <kuba@...nel.org>, <ast@...nel.org>,
	<daniel@...earbox.net>, <andrii@...nel.org>, <dxu@...uu.xyz>,
	<john.fastabend@...il.com>, <hawk@...nel.org>, <martin.lau@...ux.dev>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
	<netdev@...r.kernel.org>, <lorenzo.bianconi@...hat.com>
Subject: Re: [RFC/RFT v2 0/3] Introduce GRO support to cpumap codebase

From: Lorenzo Bianconi <lorenzo@...nel.org>
Date: Mon, 16 Sep 2024 12:13:42 +0200

> Add GRO support to cpumap codebase moving the cpu_map_entry kthread to a
> NAPI-kthread pinned on the selected cpu.
> 
> Changes in rfc v2:
> - get rid of dummy netdev dependency
> 
> Lorenzo Bianconi (3):
>   net: Add napi_init_for_gro routine
>   net: add napi_threaded_poll to netdevice.h
>   bpf: cpumap: Add gro support

Oh okay, so it's still uses a NAPI.
When I'm back from the conferences (next week), I might rebase and send
the solution where I only use the GRO part of it, i.e. no
napi_schedule()/poll()/napi_complete() logics.

> 
>  include/linux/netdevice.h |   3 +
>  kernel/bpf/cpumap.c       | 123 ++++++++++++++++----------------------
>  net/core/dev.c            |  27 ++++++---
>  3 files changed, 73 insertions(+), 80 deletions(-)

Thanks,
Olek