Subject: Re: [net-next PATCH v7 1/8] octeontx2-pf: map skb data as device writeable

From: Jakub Kicinski <[email-masked]>
Date: Wed, 28 Aug 2024 18:21:40 -0700

On Tue, 27 Aug 2024 19:02:03 +0530 Bharat Bhushan wrote:
> Crypto hardware need write permission for in-place encrypt
> or decrypt operation on skb-data to support IPsec crypto
> offload. That patch uses skb_unshare to make sdk data writeable

sdk -> skb ? :(

> for ipsec crypto offload and map skb fragment memory as
> device read-write.

Does the crypto engine always override the data with ciphertext?
How did you test this prior to adding skb_unshare()?
Could you share some performance data with this change?