linux-kernel - Re: [PATCH net-next v2 10/12] staging: fsl-dpaa2: ethsw: Implement ndo_get_port_parent

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Message-ID: <32de3be2-7e6a-f34e-9e04-3e3d39989317@gmail.com>
Date:   Tue, 5 Feb 2019 14:18:03 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Ido Schimmel <idosch@...lanox.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:MELLANOX MLX5 core VPI driver" 
        <linux-rdma@...r.kernel.org>,
        "open list:NETRONOME ETHERNET DRIVERS" <oss-drivers@...ronome.com>,
        "open list:STAGING SUBSYSTEM" <devel@...verdev.osuosl.org>,
        "moderated list:ETHERNET BRIDGE" <bridge@...ts.linux-foundation.org>
Subject: Re: [PATCH net-next v2 10/12] staging: fsl-dpaa2: ethsw: Implement
 ndo_get_port_parent_id()

On 2/5/19 2:13 PM, Florian Fainelli wrote:
> ethsw implements SWITCHDEV_ATTR_ID_PORT_PARENT_ID and we want to get rid
> of switchdev_ops eventually, ease that migration by implementing a
> ndo_get_port_parent_id() function which returns what
> switchdev_port_attr_get() would do.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 17 ++++++++++++-----
>  1 file changed, 12 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
> index daabaceeea52..622f32377b91 100644
> --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
> +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
> @@ -505,6 +505,17 @@ static netdev_tx_t port_dropframe(struct sk_buff *skb,
>  	return NETDEV_TX_OK;
>  }
>  
> +static int swdev_get_port_parent_id(struct net_device *dev,
> +				    struct netdev_phys_item_id *ppid)
> +{
> +	struct ethsw_port_priv *port_priv = netdev_priv(dev);
> +
> +	ppid->id_len = 1;
> +	ppid->id[0] = port_priv->ethsw_data->dev_id;
> +
> +	return 0;
> +}
> +
>  static const struct net_device_ops ethsw_port_ops = {
>  	.ndo_open		= port_open,
>  	.ndo_stop		= port_stop,
> @@ -515,6 +526,7 @@ static const struct net_device_ops ethsw_port_ops = {
>  	.ndo_get_offload_stats	= port_get_offload_stats,
>  
>  	.ndo_start_xmit		= port_dropframe,
> +	.ndo_get_port_parent_id	= swdev_get_port_parent_id,
>  };
>  
>  static void ethsw_links_state_update(struct ethsw_core *ethsw)
> @@ -634,10 +646,6 @@ static int swdev_port_attr_get(struct net_device *netdev,
>  	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
>  
>  	switch (attr->id) {
> -	case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
> -		attr->u.ppid.id_len = 1;
> -		attr->u.ppid.id[0] = port_priv->ethsw_data->dev_id;
> -		break;
>  	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
>  		attr->u.brport_flags =
>  			(port_priv->ethsw_data->learning ? BR_LEARNING : 0) |
> @@ -1434,7 +1442,6 @@ static int ethsw_probe_port(struct ethsw_core *ethsw, u16 port_idx)
>  	SET_NETDEV_DEV(port_netdev, dev);
>  	port_netdev->netdev_ops = &ethsw_port_ops;
>  	port_netdev->ethtool_ops = &ethsw_port_ethtool_ops;
> -	port_netdev->switchdev_ops = &ethsw_port_switchdev_ops;

This hunk should not be removed, I will respin a new version after
getting feedback.
-- 
Florian