* [PATCH v2 ethtool] man: ethtool: link 10000baseCR to SFF-8431, Appendix-E SFP+ DA
@ 2026-07-03 10:20 Siddaraju DH
2026-07-03 13:41 ` Maxime Chevallier
0 siblings, 1 reply; 2+ messages in thread
From: Siddaraju DH @ 2026-07-03 10:20 UTC (permalink / raw)
To: Michal Kubecek, Andrew Lunn, Maxime Chevallier, netdev
Cc: Shubham Das, Balaji Chintalapalle, Vijay Srinivasan,
Magnus Lindberg, Niklas Damberg, Jonas Wirandi, Siddaraju DH,
Siddaraju DH
Annotate the 10000baseCR entry in the advertise mask table so users
understand what physical media this mode it actually represents.
10000baseCR does not correspond to any IEEE 802.3 *base-CR PMD.
It has no autonegotiation, no link training, and no mandatory FEC.
The industry standard for this media type is SFF-8431 Appendix-E
Direct Attach cable, also known as 10G_SFI_DA.
Link: https://lore.kernel.org/r/SN7PR11MB69003D33489DB1D6B17EF72A9AF52@SN7PR11MB6900.namprd11.prod.outlook.com
Signed-off-by: Siddaraju DH <siddaraju.dh@intel.com>
---
ethtool.8.in | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ethtool.8.in b/ethtool.8.in
index 3173287..604de9e 100644
--- a/ethtool.8.in
+++ b/ethtool.8.in
@@ -937,7 +937,7 @@ lB l lB.
0x40000 10000baseKX4 Full
0x80000 10000baseKR Full
0x100000 10000baseR_FEC
-0x40000000000 10000baseCR Full
+0x40000000000 10000baseCR Full (a.k.a 10G_SFI_DA, SFF-8431 Appendix-E)
0x80000000000 10000baseSR Full
0x100000000000 10000baseLR Full
0x200000000000 10000baseLRM Full
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 ethtool] man: ethtool: link 10000baseCR to SFF-8431, Appendix-E SFP+ DA
2026-07-03 10:20 [PATCH v2 ethtool] man: ethtool: link 10000baseCR to SFF-8431, Appendix-E SFP+ DA Siddaraju DH
@ 2026-07-03 13:41 ` Maxime Chevallier
0 siblings, 0 replies; 2+ messages in thread
From: Maxime Chevallier @ 2026-07-03 13:41 UTC (permalink / raw)
To: Siddaraju DH, Michal Kubecek, Andrew Lunn, netdev
Cc: Shubham Das, Balaji Chintalapalle, Vijay Srinivasan,
Magnus Lindberg, Niklas Damberg, Jonas Wirandi, Siddaraju DH
Hi,
On 7/3/26 12:20, Siddaraju DH wrote:
> Annotate the 10000baseCR entry in the advertise mask table so users
> understand what physical media this mode it actually represents.
>
> 10000baseCR does not correspond to any IEEE 802.3 *base-CR PMD.
> It has no autonegotiation, no link training, and no mandatory FEC.
> The industry standard for this media type is SFF-8431 Appendix-E
> Direct Attach cable, also known as 10G_SFI_DA.
>
> Link: https://lore.kernel.org/r/SN7PR11MB69003D33489DB1D6B17EF72A9AF52@SN7PR11MB6900.namprd11.prod.outlook.com
>
> Signed-off-by: Siddaraju DH <siddaraju.dh@intel.com>
Looks like you're missing Andrew's review tag :(
Maxime
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-07-03 10:20 [PATCH v2 ethtool] man: ethtool: link 10000baseCR to SFF-8431, Appendix-E SFP+ DA Siddaraju DH
2026-07-03 13:41 ` Maxime Chevallier
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