netdev - RE: [PATCH ethtool-next] ethtool: Add support for OSFP transceiver modules

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Date:   Sun, 3 Apr 2022 14:14:23 +0000
From:   Danielle Ratson <danieller@...dia.com>
To:     "mkubecek@...e.cz" <mkubecek@...e.cz>
CC:     Vadim Pasternak <vadimp@...dia.com>, mlxsw <mlxsw@...dia.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH ethtool-next] ethtool: Add support for OSFP transceiver
 modules

Hello Michal,

Can you please take the patch? 
I haven't got any comment about it.

Thanks, 
Danielle 

> -----Original Message-----
> From: Danielle Ratson <danieller@...dia.com>
> Sent: Monday, February 7, 2022 11:13 AM
> To: netdev@...r.kernel.org
> Cc: mkubecek@...e.cz; Vadim Pasternak <vadimp@...dia.com>; mlxsw
> <mlxsw@...dia.com>; Danielle Ratson <danieller@...dia.com>
> Subject: [PATCH ethtool-next] ethtool: Add support for OSFP transceiver
> modules
> 
> OSFP transceiver modules use the same management interface specification
> (CMIS) as QSFP-DD and DSFP modules.
> 
> Allow ethtool to dump, parse and print their EEPROM contents by adding
> their SFF-8024 Identifier Value (0x19).
> 
> This is required for future NVIDIA Spectrum-4 based systems that will be
> equipped with OSFP transceivers.
> 
> While at it, add the DSFP identifier to the IOCTL path, as it was missing.
> 
> Signed-off-by: Danielle Ratson <danieller@...dia.com>
> Reviewed-by: Ido Schimmel <idosch@...dia.com>
> ---
>  netlink/module-eeprom.c | 1 +
>  qsfp.c                  | 4 +++-
>  sff-common.c            | 3 +++
>  sff-common.h            | 1 +
>  4 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/netlink/module-eeprom.c b/netlink/module-eeprom.c index
> f359aee..49833a2 100644
> --- a/netlink/module-eeprom.c
> +++ b/netlink/module-eeprom.c
> @@ -223,6 +223,7 @@ static int eeprom_parse(struct cmd_context *ctx)
>  	case SFF8024_ID_QSFP_PLUS:
>  		return sff8636_show_all_nl(ctx);
>  	case SFF8024_ID_QSFP_DD:
> +	case SFF8024_ID_OSFP:
>  	case SFF8024_ID_DSFP:
>  		return cmis_show_all_nl(ctx);
>  #endif
> diff --git a/qsfp.c b/qsfp.c
> index 57aac86..1fe5de1 100644
> --- a/qsfp.c
> +++ b/qsfp.c
> @@ -947,7 +947,9 @@ void sff8636_show_all_ioctl(const __u8 *id, __u32
> eeprom_len)  {
>  	struct sff8636_memory_map map = {};
> 
> -	if (id[SFF8636_ID_OFFSET] == SFF8024_ID_QSFP_DD) {
> +	if (id[SFF8636_ID_OFFSET] == SFF8024_ID_QSFP_DD ||
> +	    id[SFF8636_ID_OFFSET] == SFF8024_ID_OSFP ||
> +	    id[SFF8636_ID_OFFSET] == SFF8024_ID_DSFP) {
>  		cmis_show_all_ioctl(id);
>  		return;
>  	}
> diff --git a/sff-common.c b/sff-common.c index 2815951..e951cf1 100644
> --- a/sff-common.c
> +++ b/sff-common.c
> @@ -139,6 +139,9 @@ void sff8024_show_identifier(const __u8 *id, int
> id_offset)
>  	case SFF8024_ID_QSFP_DD:
>  		printf(" (QSFP-DD Double Density 8X Pluggable Transceiver
> (INF-8628))\n");
>  		break;
> +	case SFF8024_ID_OSFP:
> +		printf(" (OSFP 8X Pluggable Transceiver)\n");
> +		break;
>  	case SFF8024_ID_DSFP:
>  		printf(" (DSFP Dual Small Form Factor Pluggable
> Transceiver)\n");
>  		break;
> diff --git a/sff-common.h b/sff-common.h index 9e32300..dd12dda 100644
> --- a/sff-common.h
> +++ b/sff-common.h
> @@ -62,6 +62,7 @@
>  #define  SFF8024_ID_CDFP_S3				0x16
>  #define  SFF8024_ID_MICRO_QSFP			0x17
>  #define  SFF8024_ID_QSFP_DD				0x18
> +#define  SFF8024_ID_OSFP				0x19
>  #define  SFF8024_ID_DSFP				0x1B
>  #define  SFF8024_ID_LAST				SFF8024_ID_DSFP
>  #define  SFF8024_ID_UNALLOCATED_LAST	0x7F
> --
> 2.31.1