Re: [PATCH] net: fec: limit register access on i.MX6UL

From: Andrew Lunn
Date: Tue Sep 20 2022 - 08:46:34 EST


> +/* for i.MX6ul */
> +static u32 fec_enet_register_offset_6ul[] = {
> + FEC_IEVENT, FEC_IMASK, FEC_R_DES_ACTIVE_0, FEC_X_DES_ACTIVE_0,
> + FEC_ECNTRL, FEC_MII_DATA, FEC_MII_SPEED, FEC_MIB_CTRLSTAT, FEC_R_CNTRL,
> + FEC_X_CNTRL, FEC_ADDR_LOW, FEC_ADDR_HIGH, FEC_OPD, FEC_TXIC0, FEC_RXIC0,
> + FEC_HASH_TABLE_HIGH, FEC_HASH_TABLE_LOW, FEC_GRP_HASH_TABLE_HIGH,
> + FEC_GRP_HASH_TABLE_LOW, FEC_X_WMRK, FEC_R_DES_START_0,
> + FEC_X_DES_START_0, FEC_R_BUFF_SIZE_0, FEC_R_FIFO_RSFL, FEC_R_FIFO_RSEM,
> + FEC_R_FIFO_RAEM, FEC_R_FIFO_RAFL, FEC_RACC,
> + RMON_T_DROP, RMON_T_PACKETS, RMON_T_BC_PKT, RMON_T_MC_PKT,
> + RMON_T_CRC_ALIGN, RMON_T_UNDERSIZE, RMON_T_OVERSIZE, RMON_T_FRAG,
> + RMON_T_JAB, RMON_T_COL, RMON_T_P64, RMON_T_P65TO127, RMON_T_P128TO255,
> + RMON_T_P256TO511, RMON_T_P512TO1023, RMON_T_P1024TO2047,
> + RMON_T_P_GTE2048, RMON_T_OCTETS,
> + IEEE_T_DROP, IEEE_T_FRAME_OK, IEEE_T_1COL, IEEE_T_MCOL, IEEE_T_DEF,
> + IEEE_T_LCOL, IEEE_T_EXCOL, IEEE_T_MACERR, IEEE_T_CSERR, IEEE_T_SQE,
> + IEEE_T_FDXFC, IEEE_T_OCTETS_OK,
> + RMON_R_PACKETS, RMON_R_BC_PKT, RMON_R_MC_PKT, RMON_R_CRC_ALIGN,
> + RMON_R_UNDERSIZE, RMON_R_OVERSIZE, RMON_R_FRAG, RMON_R_JAB,
> + RMON_R_RESVD_O, RMON_R_P64, RMON_R_P65TO127, RMON_R_P128TO255,
> + RMON_R_P256TO511, RMON_R_P512TO1023, RMON_R_P1024TO2047,
> + RMON_R_P_GTE2048, RMON_R_OCTETS,
> + IEEE_R_DROP, IEEE_R_FRAME_OK, IEEE_R_CRC, IEEE_R_ALIGN, IEEE_R_MACERR,
> + IEEE_R_FDXFC, IEEE_R_OCTETS_OK
> +};
> #else
> static __u32 fec_enet_register_version = 1;

Seeing this, i wonder if the i.MX6ul needs its own register version,
so that ethtool(1) knows what registers are valid?

Andrew