linux-kernel - Re: [PATCHv2 net-next] net: ag71xx: update FIFO bits and descriptions

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Message-ID: <20240829165234.GV1368797@kernel.org>
Date: Thu, 29 Aug 2024 17:52:34 +0100
From: Simon Horman <horms@...nel.org>
To: Rosen Penev <rosenp@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, linux@...linux.org.uk,
	linux-kernel@...r.kernel.org, o.rempel@...gutronix.de,
	p.zabel@...gutronix.de
Subject: Re: [PATCHv2 net-next] net: ag71xx: update FIFO bits and descriptions

On Wed, Aug 28, 2024 at 03:38:47PM -0700, Rosen Penev wrote:
> Taken from QCA SDK. No functional difference as same bits get applied.
> 
> Signed-off-by: Rosen Penev <rosenp@...il.com>
> ---
>  v2: forgot to send to netdev
>  drivers/net/ethernet/atheros/ag71xx.c | 48 +++++++++++++--------------
>  1 file changed, 24 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
> index db2a8ade6205..692dbded8211 100644
> --- a/drivers/net/ethernet/atheros/ag71xx.c
> +++ b/drivers/net/ethernet/atheros/ag71xx.c
> @@ -149,11 +149,11 @@
>  #define FIFO_CFG4_MC		BIT(8)	/* Multicast Packet */
>  #define FIFO_CFG4_BC		BIT(9)	/* Broadcast Packet */
>  #define FIFO_CFG4_DR		BIT(10)	/* Dribble */
> -#define FIFO_CFG4_LE		BIT(11)	/* Long Event */
> -#define FIFO_CFG4_CF		BIT(12)	/* Control Frame */
> -#define FIFO_CFG4_PF		BIT(13)	/* Pause Frame */
> -#define FIFO_CFG4_UO		BIT(14)	/* Unsupported Opcode */
> -#define FIFO_CFG4_VT		BIT(15)	/* VLAN tag detected */
> +#define FIFO_CFG4_CF		BIT(11)	/* Control Frame */
> +#define FIFO_CFG4_PF		BIT(12)	/* Pause Frame */
> +#define FIFO_CFG4_UO		BIT(13)	/* Unsupported Opcode */
> +#define FIFO_CFG4_VT		BIT(14)	/* VLAN tag detected */
> +#define FIFO_CFG4_LE		BIT(15)	/* Long Event */
>  #define FIFO_CFG4_FT		BIT(16)	/* Frame Truncated */
>  #define FIFO_CFG4_UC		BIT(17)	/* Unicast Packet */
>  #define FIFO_CFG4_INIT	(FIFO_CFG4_DE | FIFO_CFG4_DV | FIFO_CFG4_FC | \
> @@ -168,28 +168,28 @@
>  #define FIFO_CFG5_DV		BIT(1)	/* RX_DV Event */
>  #define FIFO_CFG5_FC		BIT(2)	/* False Carrier */
>  #define FIFO_CFG5_CE		BIT(3)	/* Code Error */
> -#define FIFO_CFG5_LM		BIT(4)	/* Length Mismatch */
> -#define FIFO_CFG5_LO		BIT(5)	/* Length Out of Range */
> -#define FIFO_CFG5_OK		BIT(6)	/* Packet is OK */
> -#define FIFO_CFG5_MC		BIT(7)	/* Multicast Packet */
> -#define FIFO_CFG5_BC		BIT(8)	/* Broadcast Packet */
> -#define FIFO_CFG5_DR		BIT(9)	/* Dribble */
> -#define FIFO_CFG5_CF		BIT(10)	/* Control Frame */
> -#define FIFO_CFG5_PF		BIT(11)	/* Pause Frame */
> -#define FIFO_CFG5_UO		BIT(12)	/* Unsupported Opcode */
> -#define FIFO_CFG5_VT		BIT(13)	/* VLAN tag detected */
> -#define FIFO_CFG5_LE		BIT(14)	/* Long Event */
> -#define FIFO_CFG5_FT		BIT(15)	/* Frame Truncated */
> -#define FIFO_CFG5_16		BIT(16)	/* unknown */
> -#define FIFO_CFG5_17		BIT(17)	/* unknown */
> +#define FIFO_CFG5_CR		BIT(4)  /* CRC error */
> +#define FIFO_CFG5_LM		BIT(5)	/* Length Mismatch */
> +#define FIFO_CFG5_LO		BIT(6)	/* Length Out of Range */
> +#define FIFO_CFG5_OK		BIT(7)	/* Packet is OK */
> +#define FIFO_CFG5_MC		BIT(8)	/* Multicast Packet */
> +#define FIFO_CFG5_BC		BIT(9)	/* Broadcast Packet */
> +#define FIFO_CFG5_DR		BIT(10)	/* Dribble */
> +#define FIFO_CFG5_CF		BIT(11)	/* Control Frame */
> +#define FIFO_CFG5_PF		BIT(12)	/* Pause Frame */
> +#define FIFO_CFG5_UO		BIT(13)	/* Unsupported Opcode */
> +#define FIFO_CFG5_VT		BIT(14)	/* VLAN tag detected */
> +#define FIFO_CFG5_LE		BIT(15)	/* Long Event */
> +#define FIFO_CFG5_FT		BIT(16)	/* Frame Truncated */
> +#define FIFO_CFG5_UC		BIT(17)	/* Unicast Packet */
>  #define FIFO_CFG5_SF		BIT(18)	/* Short Frame */
>  #define FIFO_CFG5_BM		BIT(19)	/* Byte Mode */
>  #define FIFO_CFG5_INIT	(FIFO_CFG5_DE | FIFO_CFG5_DV | FIFO_CFG5_FC | \
> -			 FIFO_CFG5_CE | FIFO_CFG5_LO | FIFO_CFG5_OK | \
> -			 FIFO_CFG5_MC | FIFO_CFG5_BC | FIFO_CFG5_DR | \
> -			 FIFO_CFG5_CF | FIFO_CFG5_PF | FIFO_CFG5_VT | \
> -			 FIFO_CFG5_LE | FIFO_CFG5_FT | FIFO_CFG5_16 | \
> -			 FIFO_CFG5_17 | FIFO_CFG5_SF)
> +			 FIFO_CFG5_CE | FIFO_CFG5_LM | FIFO_CFG5_L0 | \

			                               FIFO_CFG5_LO

> +			 FIFO_CFG5_OK | FIFO_CFG5_MC | FIFO_CFG5_BC | \
> +			 FIFO_CFG5_DR | FIFO_CFG5_CF | FIFO_CFG5_UO | \
> +			 FIFO_CFG5_VT | FIFO_CFG5_LE | FIFO_CFG5_FT | \
> +			 FIFO_CFG5_UC | FIFO_CFG5_SF)
>  
>  #define AG71XX_REG_TX_CTRL	0x0180
>  #define TX_CTRL_TXE		BIT(0)	/* Tx Enable */

Please consider a patch to allow compilation of this driver with
COMPILE_TEST in order to increase build coverage.

-- 
pw-bot: cr