RE: [PATCH v4 net-next 1/1] net: update comments for SKB_GSO_TCP_ECN and SKB_GSO_TCP_ACCECN

> -----Original Message-----
> From: Jakub Kicinski <[email protected]> 
> Sent: Tuesday, August 4, 2026 2:47 AM
> To: Chia-Yu Chang (Nokia) <[email protected]>
> Cc: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; Koen De Schepper (Nokia) <[email protected]>; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; Parav Pandit <[email protected]>
> Subject: Re: [PATCH v4 net-next 1/1] net: update comments for SKB_GSO_TCP_ECN and SKB_GSO_TCP_ACCECN
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> On Tue, 28 Jul 2026 18:10:07 +0200 [email protected]
> wrote:
> > For RX, SKB_GSO_TCP_ECN shall NOT be used
> 
> but it _is_ still used in hns3, what's your plan there?
> Documenting something we adhere to at the outset seems like a red flag.
> 
Hello,

I would think to remove the SKB_GSO_TCP_ECN in hns3.
Because hns3 will break the whole TOS byte based on Jijie's email: https://lore.kernel.org/all/[email protected]/#t

Also, the virtio related changes will be submitted only after the approval from virtio-spec.

Thanks.
Chia-Yu