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Date: Thu, 8 Jan 2026 17:59:50 +0000
From: Simon Horman <horms@kernel.org>
To: Ratheesh Kannoth <rkannoth@marvell.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	andrew+netdev@lunn.ch, sgoutham@marvell.com, davem@davemloft.net,
	edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
	Suman Ghosh <sumang@marvell.com>
Subject: Re: [PATCH net-next v2 03/13] octeontx2-af: npc: cn20k: Add default
 profile
Message-ID: <20260108175950.GK345651@kernel.org>
References: <20260107033844.437026-1-rkannoth@marvell.com>
 <20260107033844.437026-4-rkannoth@marvell.com>
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In-Reply-To: <20260107033844.437026-4-rkannoth@marvell.com>

On Wed, Jan 07, 2026 at 09:08:34AM +0530, Ratheesh Kannoth wrote:
> From: Suman Ghosh <sumang@marvell.com>
> 
> Default mkex profile for cn20k silicon. This commit
> changes attribute of objects to may_be_unused to
> avoid compiler warning
> 
> Signed-off-by: Suman Ghosh <sumang@marvell.com>
> Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
> ---
>  .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 170 +++++++++++++++++-
>  .../ethernet/marvell/octeontx2/af/cn20k/npc.h |  18 ++
>  .../marvell/octeontx2/af/npc_profile.h        |  72 ++++----
>  3 files changed, 223 insertions(+), 37 deletions(-)
> 
> diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c
> index bc52aafeb6a4..8f3f9cb37333 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c
> +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c
> @@ -7,9 +7,13 @@
>  #include <linux/xarray.h>
>  #include <linux/bitfield.h>
>  
> +#include "rvu.h"
> +#include "npc.h"
> +#include "npc_profile.h"
> +#include "rvu_npc_hash.h"
> +#include "rvu_npc.h"
>  #include "cn20k/npc.h"
>  #include "cn20k/reg.h"
> -#include "rvu_npc.h"
>  
>  static struct npc_priv_t npc_priv = {
>  	.num_banks = MAX_NUM_BANKS,
> @@ -21,6 +25,170 @@ static const char *npc_kw_name[NPC_MCAM_KEY_MAX] = {
>  	[NPC_MCAM_KEY_X4] = "X4",
>  };
>  
> +#define KEX_EXTR_CFG(bytesm1, hdr_ofs, ena, key_ofs)		\
> +		     (((bytesm1) << 16) | ((hdr_ofs) << 8) | ((ena) << 7) | \
> +		     ((key_ofs) & 0x3F))
> +
> +static struct npc_mcam_kex_extr npc_mkex_extr_default = {
> +	.mkex_sign = MKEX_SIGN,
> +	.name = "default",
> +	.kpu_version = NPC_KPU_PROFILE_VER,
> +	.keyx_cfg = {
> +		/* nibble: LA..LE (ltype only) + Error code + Channel */
> +		[NIX_INTF_RX] = ((u64)NPC_MCAM_KEY_DYN << 32) | NPC_CN20K_PARSE_NIBBLE_INTF_RX |
> +				 NPC_CN20K_PARSE_NIBBLE_ERRCODE,

Hi Suman and Ratheesh,

NPC_CN20K_PARSE_NIBBLE_ERRCODE isn't defined until the following patch,
so this results in a build failure.

...