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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Anton Lundin <glance@acc.umu.se>,
	kernel@pengutronix.de, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, Lukas Wunner <lukas@wunner.de>
Subject: Re: [PATCH net v1 1/2] net: asix: fix "can't send until first packet is send" issue
Date: Tue, 28 Jun 2022 06:49:13 +0200	[thread overview]
Message-ID: <20220628044913.GB13092@pengutronix.de> (raw)
In-Reply-To: <20220624075139.3139300-1-o.rempel@pengutronix.de>

On Fri, Jun 24, 2022 at 09:51:38AM +0200, Oleksij Rempel wrote:
> If cable is attached after probe sequence, the usbnet framework would
> not automatically start processing RX packets except at least one
> packet was transmitted.
> 
> On systems with any kind of address auto configuration this issue was
> not detected, because some packets are send immediately after link state
> is changed to "running".
> 
> With this patch we will notify usbnet about link status change provided by the
> PHYlib.
> 
> Fixes: e532a096be0e ("net: usb: asix: ax88772: add phylib support")
> Reported-by: Anton Lundin <glance@acc.umu.se>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

In different mail thread Anton reported as tested.
Tested-by: Anton Lundin <glance@acc.umu.se>

> ---
>  drivers/net/usb/asix_common.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
> index 632fa6c1d5e3..b4a1b7abcfc9 100644
> --- a/drivers/net/usb/asix_common.c
> +++ b/drivers/net/usb/asix_common.c
> @@ -431,6 +431,7 @@ void asix_adjust_link(struct net_device *netdev)
>  
>  	asix_write_medium_mode(dev, mode, 0);
>  	phy_print_status(phydev);
> +	usbnet_link_change(dev, phydev->link, 0);
>  }
>  
>  int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm)
> -- 
> 2.30.2
> 
> 

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  parent reply	other threads:[~2022-06-28  4:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-24  7:51 Oleksij Rempel
2022-06-24  7:51 ` [PATCH net v1 2/2] net: usb: asix: do not force pause frames support Oleksij Rempel
2022-06-28  4:49   ` Oleksij Rempel
2022-06-28  4:49 ` Oleksij Rempel [this message]
2022-06-28  7:50   ` [PATCH net v1 1/2] net: asix: fix "can't send until first packet is send" issue Lucas Stach
2022-06-28  8:00     ` Oleksij Rempel
2022-06-28  5:10 ` patchwork-bot+netdevbpf

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