netdev - Re: [PATCH v3] net: stmmac: Modify the judgment condition of "tx

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Message-ID: <20251204175148.5a5cc065@kernel.org>
Date: Thu, 4 Dec 2025 17:51:48 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: 2694439648@...com
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com,
 hailong.fan@...ngine.com, netdev@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, inux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] net: stmmac: Modify the judgment condition of
 "tx_avail" from 1 to 2

On Wed,  3 Dec 2025 09:31:52 +0800 2694439648@...com wrote:
> -	if (unlikely(stmmac_tx_avail(priv, queue) <= (MAX_SKB_FRAGS + 1))) {
> +	if (unlikely(stmmac_tx_avail(priv, queue) <= (MAX_SKB_FRAGS + 2))) {

Please add a constant for "(MAX_SKB_FRAGS + 2)" and a comment next to
it explaining why the literal 2 is used.