Re: [PATCH] ipw2200: Fix NETDEV_TX_BUSY erroneous returned
- From: Stephen Hemminger <shemminger@xxxxxxxx>
- Date: Wed, 4 Jan 2006 09:58:00 -0800
On Wed, 4 Jan 2006 12:09:54 +0800
Zhu Yi <yi.zhu@xxxxxxxxx> wrote:
>
> This patch fixes the warning below warning for the ipw2200 driver.
>
> NETDEV_TX_BUSY returned; driver should report queue full via
> ieee_device->is_queue_full.
>
> Signed-off-by: Hong Liu <hong.liu@xxxxxxxxx>
> Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx>
> --
>
> diff -urp linux.orig/drivers/net/wireless/ipw2200.c linux/drivers/net/wireless/ipw2200.c
> --- linux.orig/drivers/net/wireless/ipw2200.c 2005-10-21 05:35:24.000000000 +0800
> +++ linux/drivers/net/wireless/ipw2200.c 2005-10-25 13:22:38.000000000
> +0800
> @@ -9649,11 +9649,6 @@ static inline int ipw_tx_skb(struct ipw_
> u16 remaining_bytes;
> int fc;
>
> - /* If there isn't room in the queue, we return busy and let the
> - * network stack requeue the packet for us */
> - if (ipw_queue_space(q) < q->high_mark)
> - return NETDEV_TX_BUSY;
> -
> switch (priv->ieee->iw_mode) {
> case IW_MODE_ADHOC:
> hdr_len = IEEE80211_3ADDR_LEN;
> @@ -9871,7 +9866,7 @@ static int ipw_net_hard_start_xmit(struc
>
> fail_unlock:
> spin_unlock_irqrestore(&priv->lock, flags);
> - return 1;
> + return -1;
That's not right... -1 is NETDEV_TX_LOCKED, which is not what you want.
Also, please use NETDEV_TX_ values for return values from transmit routine.
You should post this to netdev@xxxxxxxxxxxxxxx and ipw2100-devel@xxxxxxxxxxxxxxxxxxxxx
for discussion there.
--
Stephen Hemminger <shemminger@xxxxxxxx>
OSDL http://developer.osdl.org/~shemminger
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