linux-kernel - Re: [PATCH net-next v3 05/13] octeontx2-af: npc: cn20k: Allocate default MCAM indexes

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Message-ID: <20260110145223.368bd5ea@kernel.org>
Date: Sat, 10 Jan 2026 14:52:23 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Ratheesh Kannoth <rkannoth@...vell.com>
Cc: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <sgoutham@...vell.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
 <pabeni@...hat.com>, <andrew+netdev@...n.ch>
Subject: Re: [PATCH net-next v3 05/13] octeontx2-af: npc: cn20k: Allocate
 default MCAM indexes

On Fri, 9 Jan 2026 11:18:20 +0530 Ratheesh Kannoth wrote:
> Reserving MCAM entries in the AF driver for installing default MCAM
> entries is not an efficient allocation method, as it results in
> significant wastage of entries. This patch allocates MCAM indexes for
> promiscuous, multicast, broadcast, and unicast traffic in descending
> order of indexes (from lower to higher priority) when the NIX LF is
> attached to the PF/VF.

Warning: drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h:115 Enum value 'NPC_DFT_RULE_MAX_ID' not described in enum 'npc_dft_rule_id'
Warning: drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h:115 Enum value 'NPC_DFT_RULE_MAX_ID' not described in enum 'npc_dft_rule_id'

You can use the

	/* private: */

comment/label to mark off "misc" enum entries that don't need a doc