linux-kernel - Re: [PATCH net-next V3 2/3] net: stmmac: dwmac-loongson: Add new multi-chan IP core support

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Message-ID: <b2651b9a-694d-4417-ae90-00a4256f9611@linux.dev>
Date: Thu, 24 Apr 2025 15:35:07 +0800
From: Yanteng Si <si.yanteng@...ux.dev>
To: Huacai Chen <chenhuacai@...ngson.cn>, Huacai Chen
 <chenhuacai@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
 "David S . Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>
Cc: Feiyang Chen <chris.chenfeiyang@...il.com>, loongarch@...ts.linux.dev,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 Andrew Lunn <andrew@...n.ch>, Henry Chen <chenx97@...c.io>,
 Biao Dong <dongbiao@...ngson.cn>, Baoqi Zhang <zhangbaoqi@...ngson.cn>
Subject: Re: [PATCH net-next V3 2/3] net: stmmac: dwmac-loongson: Add new
 multi-chan IP core support

在 4/24/25 3:22 PM, Huacai Chen 写道:
> Add a new multi-chan IP core (0x12) support which is used in Loongson-
> 2K3000/Loongson-3B6000M. Compared with the 0x10 core, the new 0x12 core
> reduces channel numbers from 8 to 4, but checksum is supported for all
> channels.
>
> Add a "multichan" flag to loongson_data, so that we can simply use a
> "if (ld->multichan)" condition rather than the complicated condition
> "if (ld->loongson_id == DWMAC_CORE_MULTICHAN_V1 || ld->loongson_id ==
> DWMAC_CORE_MULTICHAN_V2)".
>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> Tested-by: Henry Chen <chenx97@...c.io>
> Tested-by: Biao Dong <dongbiao@...ngson.cn>
> Signed-off-by: Baoqi Zhang <zhangbaoqi@...ngson.cn>
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>

Reviewed-by: Yanteng Si <si.yanteng@...ux.dev>

Thanks,

Yanteng