From: Stephen Hemminger <shemminger@vyatta.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: David Miller <davem@davemloft.net>,
Robert Olsson <robert@herjulf.net>,
Jesper Dangaard Brouer <jdb@comx.dk>,
netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] pktgen: check for link down
Date: Mon, 21 Sep 2009 22:55:43 -0700 [thread overview]
Message-ID: <20090921225543.44d2d5c4@nehalam> (raw)
In-Reply-To: <20090919221844.114e2e23@nehalam>
On Sat, 19 Sep 2009 22:18:44 -0700
Stephen Hemminger <shemminger@vyatta.com> wrote:
> If cable is pulled, pktgen shouldn't continue slamming packets into the
> device.
>
> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
>
> --- a/net/core/pktgen.c 2009-09-19 11:20:55.546463176 -0700
> +++ b/net/core/pktgen.c 2009-09-19 11:22:44.810509240 -0700
> @@ -1959,7 +1959,7 @@ static int pktgen_setup_dev(struct pktge
> if (odev->type != ARPHRD_ETHER) {
> printk(KERN_ERR "pktgen: not an ethernet device: \"%s\"\n", ifname);
> err = -EINVAL;
> - } else if (!netif_running(odev)) {
> + } else if (!netif_running(odev) || !netif_carrier_ok(odev)) {
> printk(KERN_ERR "pktgen: device is down: \"%s\"\n", ifname);
> err = -ENETDOWN;
> } else {
> @@ -3410,7 +3410,7 @@ static void pktgen_xmit(struct pktgen_de
> /* Did we saturate the queue already? */
> if (netif_tx_queue_stopped(txq) || netif_tx_queue_frozen(txq)) {
> /* If device is down, then all queues are permnantly frozen */
> - if (netif_running(odev))
> + if (netif_running(odev) && netif_carrier_ok(odev))
> idle(pkt_dev);
> else
> pktgen_stop_device(pkt_dev);
You can hold off on these two patches, I have better version
which fixes some other issues. But testing time is limited this week.
next prev parent reply other threads:[~2009-09-22 5:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-20 5:18 [PATCH 1/2] pktgen: check for link down Stephen Hemminger
2009-09-20 15:26 ` Jesper Dangaard Brouer
2009-09-22 5:55 ` Stephen Hemminger [this message]
2009-09-22 21:24 ` David Miller
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