[Intel-wired-lan] [PATCH iwl-net v3 1/2] e1000e: introduce new MAC type for PTP

Paul Menzel pmenzel at molgen.mpg.de
Tue Jan 6 12:44:41 UTC 2026


Dear Vitaly,


Thank you for your patch.

Am 06.01.26 um 11:21 schrieb Vitaly Lifshits:
> Add new MAC type for panther-point devices for separating the device

Panther Point

> specific feature and flows.

Maybe state, that until now MTP was used?

> Additionally, remove the unsupported device IDs: 0x57B5, 0x57B6.

Why *unsupported*? Also, why not make it a separate commit?

> Fixes: 0c9183ce61bc ("e1000e: Add support for the next LOM generation")
> Signed-off-by: Vitaly Lifshits <vitaly.lifshits at intel.com>
> ---
>   drivers/net/ethernet/intel/e1000e/e1000.h   |  4 +++-
>   drivers/net/ethernet/intel/e1000e/hw.h      |  2 --
>   drivers/net/ethernet/intel/e1000e/ich8lan.c | 20 ++++++++++++++++++++
>   drivers/net/ethernet/intel/e1000e/netdev.c  | 15 +++++++--------
>   4 files changed, 30 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
> index aa08f397988e..63ebe00376f5 100644
> --- a/drivers/net/ethernet/intel/e1000e/e1000.h
> +++ b/drivers/net/ethernet/intel/e1000e/e1000.h
> @@ -117,7 +117,8 @@ enum e1000_boards {
>   	board_pch_cnp,
>   	board_pch_tgp,
>   	board_pch_adp,
> -	board_pch_mtp
> +	board_pch_mtp,
> +	board_pch_ptp
>   };
>   
>   struct e1000_ps_page {
> @@ -527,6 +528,7 @@ extern const struct e1000_info e1000_pch_cnp_info;
>   extern const struct e1000_info e1000_pch_tgp_info;
>   extern const struct e1000_info e1000_pch_adp_info;
>   extern const struct e1000_info e1000_pch_mtp_info;
> +extern const struct e1000_info e1000_pch_ptp_info;
>   extern const struct e1000_info e1000_es2_info;
>   
>   void e1000e_ptp_init(struct e1000_adapter *adapter);
> diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
> index fc8ed38aa095..c7ac599e5a7a 100644
> --- a/drivers/net/ethernet/intel/e1000e/hw.h
> +++ b/drivers/net/ethernet/intel/e1000e/hw.h
> @@ -118,8 +118,6 @@ struct e1000_hw;
>   #define E1000_DEV_ID_PCH_ARL_I219_V24		0x57A1
>   #define E1000_DEV_ID_PCH_PTP_I219_LM25		0x57B3
>   #define E1000_DEV_ID_PCH_PTP_I219_V25		0x57B4
> -#define E1000_DEV_ID_PCH_PTP_I219_LM26		0x57B5
> -#define E1000_DEV_ID_PCH_PTP_I219_V26		0x57B6
>   #define E1000_DEV_ID_PCH_PTP_I219_LM27		0x57B7
>   #define E1000_DEV_ID_PCH_PTP_I219_V27		0x57B8
>   #define E1000_DEV_ID_PCH_NVL_I219_LM29		0x57B9
> diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
> index 0ff8688ac3b8..eead80bba6f4 100644
> --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
> +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
> @@ -6208,3 +6208,23 @@ const struct e1000_info e1000_pch_mtp_info = {
>   	.phy_ops		= &ich8_phy_ops,
>   	.nvm_ops		= &spt_nvm_ops,
>   };
> +
> +const struct e1000_info e1000_pch_ptp_info = {
> +	.mac			= e1000_pch_ptp,
> +	.flags			= FLAG_IS_ICH
> +				  | FLAG_HAS_WOL
> +				  | FLAG_HAS_HW_TIMESTAMP
> +				  | FLAG_HAS_CTRLEXT_ON_LOAD
> +				  | FLAG_HAS_AMT
> +				  | FLAG_HAS_FLASH
> +				  | FLAG_HAS_JUMBO_FRAMES
> +				  | FLAG_APME_IN_WUC,
> +	.flags2			= FLAG2_HAS_PHY_STATS
> +				  | FLAG2_HAS_EEE,
> +	.pba			= 26,
> +	.max_hw_frame_size	= 9022,
> +	.get_variants		= e1000_get_variants_ich8lan,
> +	.mac_ops		= &ich8_mac_ops,
> +	.phy_ops		= &ich8_phy_ops,
> +	.nvm_ops		= &spt_nvm_ops,
> +};

Looks exactly the same as `e1000_pch_adp_info`. Should it be collapsed 
somehow?

> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
> index edb72054d0d9..46c3d5eb996e 100644
> --- a/drivers/net/ethernet/intel/e1000e/netdev.c
> +++ b/drivers/net/ethernet/intel/e1000e/netdev.c
> @@ -55,6 +55,7 @@ static const struct e1000_info *e1000_info_tbl[] = {
>   	[board_pch_tgp]		= &e1000_pch_tgp_info,
>   	[board_pch_adp]		= &e1000_pch_adp_info,
>   	[board_pch_mtp]		= &e1000_pch_mtp_info,
> +	[board_pch_ptp]		= &e1000_pch_ptp_info,
>   };
>   
>   struct e1000_reg_info {
> @@ -8006,14 +8007,12 @@ static const struct pci_device_id e1000_pci_tbl[] = {
>   	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V21), board_pch_mtp },
>   	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ARL_I219_LM24), board_pch_mtp },
>   	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ARL_I219_V24), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM25), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V25), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM26), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V26), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM27), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V27), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_NVL_I219_LM29), board_pch_mtp },
> -	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_NVL_I219_V29), board_pch_mtp },
> +	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM25), board_pch_ptp },
> +	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V25), board_pch_ptp },
> +	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM27), board_pch_ptp },
> +	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V27), board_pch_ptp },
> +	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_NVL_I219_LM29), board_pch_ptp },
> +	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_NVL_I219_V29), board_pch_ptp },
>   
>   	{ 0, 0, 0, 0, 0, 0, 0 }	/* terminate list */
>   };



More information about the Intel-wired-lan mailing list