linux-kernel - Re: [PATCH] net: stmmac: extend use of snps,multicast-filter-bins property to xgmac

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Message-ID: <64b98bdc-5375-478f-813d-b2209986c253@linux.dev>
Date: Thu, 12 Jun 2025 17:27:40 +0800
From: Yanteng Si <si.yanteng@...ux.dev>
To: Nikunj Kela <nikunj.kela@...a.ai>, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com
Cc: rmk+kernel@...linux.org.uk, prabhakar.mahadev-lad.rj@...renesas.com,
 romain.gantois@...tlin.com, inochiama@...il.com, l.rubusch@...il.com,
 quentin.schulz@...rry.de, netdev@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: stmmac: extend use of snps,multicast-filter-bins
 property to xgmac

在 6/11/25 4:04 AM, Nikunj Kela 写道:
> Hash based multicast filtering is an optional feature. Currently,
> driver overrides the value of multicast_filter_bins based on the hash
> table size. If the feature is not supported, hash table size reads 0
> however the value of multicast_filter_bins remains set to default
> HASH_TABLE_SIZE which is incorrect. Let's extend the use of the property
> snps,multicast-filter-bins to xgmac so it can be set to 0 via devicetree
> to indicate multicast filtering is not supported.
> 
> Signed-off-by: Nikunj Kela <nikunj.kela@...a.ai>
Reviewed-by: Yanteng Si <si.yanteng@...ux.dev>

Thanks,
Yanteng