netdev - Re: [net-next,v3 6/8] cn10k-ipsec: Process inline ipsec transmit offload

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Message-ID: <20240601101930.GB491852@kernel.org>
Date: Sat, 1 Jun 2024 11:19:30 +0100
From: Simon Horman <horms@...nel.org>
To: Bharat Bhushan <bbhushan2@...vell.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	sgoutham@...vell.com, gakula@...vell.com, sbhatta@...vell.com,
	hkelam@...vell.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, jerinj@...vell.com,
	lcherian@...vell.com, richardcochran@...il.com
Subject: Re: [net-next,v3 6/8] cn10k-ipsec: Process inline ipsec transmit
 offload

On Tue, May 28, 2024 at 07:23:47PM +0530, Bharat Bhushan wrote:
> Prepare and submit crypto hardware (CPT) instruction for
> outbound inline ipsec crypto mode offload. The CPT instruction
> have authentication offset, IV offset and encapsulation offset
> in input packet. Also provide SA context pointer which have
> details about algo, keys, salt etc. Crypto hardware encrypt,
> authenticate and provide the ESP packet to networking hardware.
> 
> Signed-off-by: Bharat Bhushan <bbhushan2@...vell.com>

Hi Bharat,

A minor nit from my side as it looks like there will be a v4 anyway.

...

> diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c

...

> +bool cn10k_ipsec_transmit(struct otx2_nic *pf, struct netdev_queue *txq,
> +			  struct otx2_snd_queue *sq, struct sk_buff *skb,
> +			  int num_segs, int size)
> +{

...

> +	/* Check for valid SA context */
> +	sa_info = (struct cpt_ctx_info_s *)x->xso.offload_handle;
> +	if (!sa_info || !sa_info->sa_iova) {
> +		netdev_err(pf->netdev, "Invalid SA conext\n");

nit: context

     checkpatch.pl --codespell is your friend.

> +		goto drop;
> +	}

...