Subject: Re: [PATCH net-next 2/2] macsec: dump IFLA_MACSEC_OFFLOAD attribute as part of macsec dump

From: Jiri Pirko <[email-masked]>
Date: Wed, 7 Dec 2022 16:33:12 +0100

Wed, Dec 07, 2022 at 11:10:17AM CET, [email-masked] wrote:
>From: Emeel Hakim <[email-masked]>
>
>consider IFLA_MACSEC_OFFLOAD in macsec's device dump,

Sentense starts with capital letter.

>this mandates a change at macsec_get_size to consider the
>additional attribute.

I'm unable to understand what you mean by this description. What should
the codebase consider and why?

Code looks fine.

>
>Reviewed-by: Raed Salem <[email-masked]>
>Signed-off-by: Emeel Hakim <[email-masked]>
>---
> drivers/net/macsec.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
>index 1850a1ee4380..0b8613576383 100644
>--- a/drivers/net/macsec.c
>+++ b/drivers/net/macsec.c
>@@ -4257,16 +4257,22 @@ static size_t macsec_get_size(const struct net_device *dev)
> 		nla_total_size(1) + /* IFLA_MACSEC_SCB */
> 		nla_total_size(1) + /* IFLA_MACSEC_REPLAY_PROTECT */
> 		nla_total_size(1) + /* IFLA_MACSEC_VALIDATION */
>+		nla_total_size(1) + /* IFLA_MACSEC_OFFLOAD */
> 		0;
> }
> 
> static int macsec_fill_info(struct sk_buff *skb,
> 			    const struct net_device *dev)
> {
>-	struct macsec_secy *secy = &macsec_priv(dev)->secy;
>-	struct macsec_tx_sc *tx_sc = &secy->tx_sc;
>+	struct macsec_tx_sc *tx_sc;
>+	struct macsec_dev *macsec;
>+	struct macsec_secy *secy;
> 	u64 csid;
> 
>+	macsec = macsec_priv(dev);
>+	secy = &macsec->secy;
>+	tx_sc = &secy->tx_sc;
>+
> 	switch (secy->key_len) {
> 	case MACSEC_GCM_AES_128_SAK_LEN:
> 		csid = secy->xpn ? MACSEC_CIPHER_ID_GCM_AES_XPN_128 : MACSEC_DEFAULT_CIPHER_ID;
>@@ -4291,6 +4297,7 @@ static int macsec_fill_info(struct sk_buff *skb,
> 	    nla_put_u8(skb, IFLA_MACSEC_SCB, tx_sc->scb) ||
> 	    nla_put_u8(skb, IFLA_MACSEC_REPLAY_PROTECT, secy->replay_protect) ||
> 	    nla_put_u8(skb, IFLA_MACSEC_VALIDATION, secy->validate_frames) ||
>+	    nla_put_u8(skb, IFLA_MACSEC_OFFLOAD, macsec->offload) ||
> 	    0)
> 		goto nla_put_failure;
> 
>-- 
>2.21.3
>