netdev - Re: [PATCH 1/1] 8139cp: implement the missing dev->tx

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Date:	Mon, 16 Jul 2007 22:24:44 -0300
From:	"Arnaldo Carvalho de Melo" <acme@...stprotocols.net>
To:	"Francois Romieu" <romieu@...zoreil.com>
Cc:	Mika.Lansirinne@...nesoft.com, "Jeff Garzik" <jeff@...zik.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] 8139cp: implement the missing dev->tx_timeout

On 7/13/07, Francois Romieu <romieu@...zoreil.com> wrote:
> Signed-off-by: Mika Lansirinne <mika.lansirinne@...nesoft.com>
> ---
>  drivers/net/8139cp.c |   27 ++++++++++++++++++++++++---
>  1 files changed, 24 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
> index 807e699..e970e64 100644
> --- a/drivers/net/8139cp.c
> +++ b/drivers/net/8139cp.c
> @@ -26,7 +26,6 @@
>
>         TODO:
>         * Test Tx checksumming thoroughly
> -       * Implement dev->tx_timeout
>
>         Low priority TODO:
>         * Complete reset on PciErr
> @@ -1218,6 +1217,30 @@ static int cp_close (struct net_device *dev)
>         return 0;
>  }
>
> +static void cp_tx_timeout(struct net_device *dev)
> +{
> +       struct cp_private *cp = netdev_priv(dev);
> +       unsigned long flags;
> +       int rc;

What is the point of this variable...

> +
> +       printk(KERN_WARNING "%s: Transmit timeout, status %2x %4x %4x %4x\n",
> +              dev->name, cpr8(Cmd), cpr16(CpCmd),
> +              cpr16(IntrStatus), cpr16(IntrMask));
> +
> +       spin_lock_irqsave(&cp->lock, flags);
> +
> +       cp_stop_hw(cp);
> +       cp_clean_rings(cp);
> +       rc = cp_init_rings(cp);

... if it is set and ...
> +       cp_start_hw(cp);
> +
> +       netif_wake_queue(dev);
> +
> +       spin_unlock_irqrestore(&cp->lock, flags);
> +
> +       return;
> +}

... never used?

- Arnaldo
-
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