linux-kernel - Re: [PATCH net-next 2/5] net: lan743x: Add support to Secure-ON WOL

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Message-ID: <Yqj2qegsJ7UTEr0K@lunn.ch>
Date:   Tue, 14 Jun 2022 22:59:21 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, bryan.whitehead@...rochip.com,
        lxu@...linear.com, richardcochran@...il.com,
        UNGLinuxDriver@...rochip.com, Ian.Saturley@...rochip.com
Subject: Re: [PATCH net-next 2/5] net: lan743x: Add support to Secure-ON WOL

On Tue, Jun 14, 2022 at 04:04:21PM +0530, Raju Lakkaraju wrote:
> Add support to Magic Packet Detection with Secure-ON for PCI11010/PCI11414 chips
> 
> Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
> ---
>  .../net/ethernet/microchip/lan743x_ethtool.c  | 14 +++++++++
>  drivers/net/ethernet/microchip/lan743x_main.c | 29 +++++++++++++++++++
>  drivers/net/ethernet/microchip/lan743x_main.h | 10 +++++++
>  3 files changed, 53 insertions(+)
> 
> diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
> index 48b19dcd4351..b591a7aea937 100644
> --- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
> +++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
> @@ -1149,7 +1149,13 @@ static void lan743x_ethtool_get_wol(struct net_device *netdev,
>  	wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
>  		WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
>  
> +	if (adapter->is_pci11x1x)
> +		wol->supported |= WAKE_MAGICSECURE;
> +
>  	wol->wolopts |= adapter->wolopts;
> +	if (adapter->wolopts & WAKE_MAGICSECURE)
> +		memcpy(wol->sopass, adapter->sopass,
> +		       SOPASS_MAX * sizeof(wol->sopass[0]));

sizeof(wol->sopass) is simpler. That is what other drivers use.

> +	if (wol->wolopts & WAKE_MAGICSECURE &&
> +	    wol->wolopts & WAKE_MAGIC) {
> +		memcpy(adapter->sopass, wol->sopass,
> +		       SOPASS_MAX * sizeof(wol->sopass[0]));
> +		adapter->wolopts |= WAKE_MAGICSECURE;
> +	} else {
> +		memset(adapter->sopass, 0, sizeof(u8) * SOPASS_MAX);
> +	}

Same here.

     Andrew