On Thu, Mar 12, 2020 at 11:26 AM Ioana Ciornei wrote:
>
> When CONFIG_DM_ETH is enabled DPAA2 network interfaces will now probe
> based on DTS nodes with the "fsl,qoriq-mc-dpmac" compatible.
> In this case, transform the ldpaa_eth driver into a UCLASS_ETH driver
> and reuse the _open()/_tx()/_stop() functions already inplemented.
>
> For the moment, the ldpaa_eth driver will support both configurations:
> with or without CONFIG_DM_ETH enabled. Any 'struct eth_device' occurrence
> now has a matching 'struct udevice' made mutually exclusive based on the
> state of CONFIG_DM_ETH.
>
> Signed-off-by: Florin Laurentiu Chiculita
> Signed-off-by: Ioana Ciornei
> ---
> drivers/net/ldpaa_eth/ldpaa_eth.c | 230 +-
> drivers/net/ldpaa_eth/ldpaa_eth.h | 6 +
> 2 files changed, 204 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c
> b/drivers/net/ldpaa_eth/ldpaa_eth.c
> index a3b9c152b256..bbfe479ed1c9 100644
> --- a/drivers/net/ldpaa_eth/ldpaa_eth.c
> +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c
> @@ -12,6 +12,7 @@
> #include
> #include
> #include
> +#include
> #include
> #include
>
> @@ -19,6 +20,7 @@
> #include "ldpaa_eth.h"
>
> #ifdef CONFIG_PHYLIB
> +#ifndef CONFIG_DM_ETH
Please use positive logic here and throughout. Add the DM code here
before the non-DM code.
> static int init_phy(struct eth_device *dev)
> {
> struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv;
> @@ -62,6 +64,19 @@ static int init_phy(struct eth_device *dev)
>
> return ret;
> }
> +#else
> +static void init_phy(struct udevice *dev)
> +{
> + struct ldpaa_eth_priv *priv = dev_get_priv(dev);
> +
> + priv->phy = dm_eth_phy_connect(dev);
> +
> + if (!priv->phy)
> + return;
> +
> + phy_config(priv->phy);
> +}
> +#endif
> #endif
>
> #ifdef DEBUG
> @@ -128,9 +143,15 @@ static void ldpaa_eth_get_dpni_counter(void)
> }
> }
>
> +#ifdef CONFIG_DM_ETH
> +static void ldpaa_eth_get_dpmac_counter(struct udevice *dev)
> +{
> + struct ldpaa_eth_priv *priv = dev_get_priv(dev);
> +#else
> static void ldpaa_eth_get_dpmac_counter(struct eth_device *net_dev)
> {
> struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
> +#endif
> int err = 0;
> u64 value;
>
> @@ -263,9 +284,16 @@ error:
> return;
> }
>
> +#ifdef CONFIG_DM_ETH
> +static int ldpaa_eth_pull_dequeue_rx(struct udevice *dev,
> +int flags, uchar **packetp)
> +{
> + struct ldpaa_eth_priv *priv = dev_get_priv(dev);
> +#else
> static int ldpaa_eth_pull_dequeue_rx(struct eth_device *dev)
> {
> struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv;
> +#endif
> const struct ldpaa_dq *dq;
> const struct dpaa_fd *fd;
> int i = 5, err = 0, status;
> @@ -322,9 +350,15 @@ static int ldpaa_eth_pull_dequeue_rx(struct eth_device
> *dev)
> return err;
> }
>
> +#ifdef CONFIG_DM_ETH
> +static int ldpaa_eth_tx(struct udevice *dev, void *buf, int len)
> +{
> + struct ldpaa_eth_priv *priv = dev_get_priv(dev);
> +#else
> static int ldpaa_eth_tx(struct eth_device *net_dev, void *buf, int len)
> {
> struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
> +#endif
> struct dpaa_fd fd;
> u64 buffer_start;
> int data_offset, err;
> @@ -400,15 +434,32 @@ error:
> return err;
> }
>
> +static struct phy_device *ldpaa_get_phydev(struct ldpaa_eth_priv *priv)
> +{
> +#ifdef CONFIG_DM_ETH
> + return priv->phy;
> +#else
> +#ifdef CONFIG_PHYLIB
> + struct phy_device *phydev = NULL;
> + int phy_num;
> +
> + /* start the phy devices one by one and update the dpmac state */
> + for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) {
> + phydev = wriop_get_phy_dev(priv->dpmac_id, phy_num);
> + if (phydev)
> + return phydev;
> + }
> + return NULL;
> +#endif
> +#endif
> +}
> +
> static int ldpaa_get_dpmac_state(struct ldpaa_eth_priv *priv,
> struct dpmac_link_state *state)
> {
> phy_interface_t enet_if;
> - int phys_detected;
> -#ifdef CONFIG_PHYLIB
> struct phy_device *phydev = NULL;
> - int err, phy_num;
> -#endif
> + int err;
>
> /* let's start off with maximum capabilities */
> enet_if = wriop_get_enet_if(priv->dpmac_id);
> @@ -420,39 +471,28 @@ static int ldpaa_get_dpmac_state(struct ldpaa_eth_priv
> *priv,
> state->rate = SPEED_1000;
> break;
> }
> - state->up = 1;
>
> - phys_detected = 0;
> -#ifdef CONFIG_PHYLIB
> + state->up = 1;
> state->options |= DPMAC_LINK_OPT_AUTONEG;
> + phydev = ldpaa_get_phydev(priv);
>
> - /* start the phy devices one by one and update the dpmac state */
> - for (phy_num = 0; phy_num <