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Message-ID: <20241017170652.jtg2abm532sp4uah@skbuf>
Date: Thu, 17 Oct 2024 20:06:52 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Furong Xu <0x1207@...il.com>, Serge Semin <fancer.lancer@...il.com>
Cc: netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Andrew Lunn <andrew@...n.ch>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>, xfr@...look.com
Subject: Re: [PATCH net-next v1 0/5] net: stmmac: Refactor FPE as a separate
module
On Tue, Oct 15, 2024 at 05:09:21PM +0800, Furong Xu wrote:
> Refactor FPE implementation by moving common code for DWMAC4 and
> DWXGMAC into a separate FPE module.
>
> FPE implementation for DWMAC4 and DWXGMAC differs only for:
> 1) Offset address of MAC_FPE_CTRL_STS and MTL_FPE_CTRL_STS
> 2) FPRQ(Frame Preemption Residue Queue) field in MAC_RxQ_Ctrl1
>
> Tested on DWMAC CORE 5.20a and DWXGMAC CORE 3.20a
>
> Furong Xu (5):
> net: stmmac: Introduce separate files for FPE implementation
> net: stmmac: Introduce stmmac_fpe_ops for gmac4 and xgmac
> net: stmmac: Rework marco definitions for gmac4 and xgmac
> net: stmmac: xgmac: Rename XGMAC_RQ to XGMAC_FPRQ
> net: stmmac: xgmac: Complete FPE support
>
> drivers/net/ethernet/stmicro/stmmac/Makefile | 2 +-
> drivers/net/ethernet/stmicro/stmmac/common.h | 1 +
> .../net/ethernet/stmicro/stmmac/dwmac4_core.c | 12 -
> drivers/net/ethernet/stmicro/stmmac/dwmac5.c | 150 ------
> drivers/net/ethernet/stmicro/stmmac/dwmac5.h | 26 --
> .../net/ethernet/stmicro/stmmac/dwxgmac2.h | 7 +-
> .../ethernet/stmicro/stmmac/dwxgmac2_core.c | 28 --
> drivers/net/ethernet/stmicro/stmmac/hwif.c | 7 +
> drivers/net/ethernet/stmicro/stmmac/hwif.h | 54 ++-
> drivers/net/ethernet/stmicro/stmmac/stmmac.h | 10 -
> .../ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 +-
> .../net/ethernet/stmicro/stmmac/stmmac_fpe.c | 442 ++++++++++++++++++
> .../net/ethernet/stmicro/stmmac/stmmac_fpe.h | 38 ++
> .../net/ethernet/stmicro/stmmac/stmmac_main.c | 149 +-----
> .../net/ethernet/stmicro/stmmac/stmmac_tc.c | 4 +-
> 15 files changed, 527 insertions(+), 405 deletions(-)
> create mode 100644 drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.c
> create mode 100644 drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.h
>
> --
> 2.34.1
>
Sergey Syomin is the one who originally requested the splitting of FPE
into a separate module.
https://lore.kernel.org/netdev/max7qd6eafatuse22ymmbfhumrctvf2lenwzhn6sxsm5ugebh6@udblqrtlblbf/
I guess you could CC him on next patch revisions, maybe he can take a
look and see if it is what he had in mind. I don't care so much about
internal stmmac organization stuff.
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