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SubjectRe: [PATCH net-next v1 1/1] net: asix: add optional flow control support
On Fri, Jun 24, 2022 at 10:02:07AM +0200, Oleksij Rempel wrote:
> Add optional flow control support with respect to the link partners
> abilities.
>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

This is a net-next patch, depending on other net patch:
https://lore.kernel.org/all/20220624075139.3139300-2-o.rempel@pengutronix.de/

> ---
> drivers/net/usb/asix_common.c | 10 ++++++++++
> drivers/net/usb/asix_devices.c | 2 ++
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
> index b4a1b7abcfc9..c9df7cd8daae 100644
> --- a/drivers/net/usb/asix_common.c
> +++ b/drivers/net/usb/asix_common.c
> @@ -420,6 +420,8 @@ void asix_adjust_link(struct net_device *netdev)
> u16 mode = 0;
>
> if (phydev->link) {
> + bool tx_pause, rx_pause;
> +
> mode = AX88772_MEDIUM_DEFAULT;
>
> if (phydev->duplex == DUPLEX_HALF)
> @@ -427,6 +429,14 @@ void asix_adjust_link(struct net_device *netdev)
>
> if (phydev->speed != SPEED_100)
> mode &= ~AX_MEDIUM_PS;
> +
> + phy_get_pause(phydev, &tx_pause, &rx_pause);
> +
> + if (rx_pause)
> + mode |= AX_MEDIUM_RFC;
> +
> + if (tx_pause)
> + mode |= AX_MEDIUM_TFC;
> }
>
> asix_write_medium_mode(dev, mode, 0);
> diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
> index 5b5eb630c4b7..1bb12bbc34bf 100644
> --- a/drivers/net/usb/asix_devices.c
> +++ b/drivers/net/usb/asix_devices.c
> @@ -677,6 +677,8 @@ static int ax88772_init_phy(struct usbnet *dev)
> phy_suspend(priv->phydev);
> priv->phydev->mac_managed_pm = 1;
>
> + phy_support_asym_pause(priv->phydev);
> +
> phy_attached_info(priv->phydev);
>
> if (priv->embd_phy)
> --
> 2.30.2
>
>

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