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Date: Thu, 1 Nov 2007 00:59:03 +0300 From: Anton Vorontsov <cbou@...l.ru> To: Li Yang-r58472 <LeoLi@...escale.com> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org Subject: Re: [PATCH] ucc_geth: add support for netpoll On Mon, Oct 29, 2007 at 03:17:44PM +0300, Anton Vorontsov wrote: [...] > > Oops. The original patch happened to hit the Junk mail box. :( > > That one as well? http://lkml.org/lkml/2007/10/11/128 > > > I think > > the patch is good to merge after the cosmetic change. I can do it in > > next pull request to Jeff. > > Ok, great. Thanks. I'm wondering if you missed that email again. Maybe your mail client/server doing weird things with emails from @ru.mvista.com? Thanks. > Here it is: > > - - - - > From: Anton Vorontsov <avorontsov@...mvista.com> > Subject: [PATCH] ucc_geth: add support for netpoll > > This patch adds netpoll support for the QE UCC Gigabit Ethernet > driver. Tested using netconsole and KGDBoE. > > Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com> > --- > drivers/net/ucc_geth.c | 20 ++++++++++++++++++++ > 1 files changed, 20 insertions(+), 0 deletions(-) > > diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c > index bec413b..94e78d8 100644 > --- a/drivers/net/ucc_geth.c > +++ b/drivers/net/ucc_geth.c > @@ -3678,6 +3678,23 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info) > return IRQ_HANDLED; > } > > +#ifdef CONFIG_NET_POLL_CONTROLLER > +/* > + * Polling 'interrupt' - used by things like netconsole to send skbs > + * without having to re-enable interrupts. It's not called while > + * the interrupt routine is executing. > + */ > +static void ucc_netpoll(struct net_device *dev) > +{ > + struct ucc_geth_private *ugeth = netdev_priv(dev); > + int irq = ugeth->ug_info->uf_info.irq; > + > + disable_irq(irq); > + ucc_geth_irq_handler(irq, dev); > + enable_irq(irq); > +} > +#endif /* CONFIG_NET_POLL_CONTROLLER */ > + > /* Called when something needs to use the ethernet device */ > /* Returns 0 for success. */ > static int ucc_geth_open(struct net_device *dev) > @@ -3963,6 +3980,9 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma > #ifdef CONFIG_UGETH_NAPI > netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT); > #endif /* CONFIG_UGETH_NAPI */ > +#ifdef CONFIG_NET_POLL_CONTROLLER > + dev->poll_controller = ucc_netpoll; > +#endif > dev->stop = ucc_geth_close; > // dev->change_mtu = ucc_geth_change_mtu; > dev->mtu = 1500; > -- > 1.5.2.2 -- Anton Vorontsov email: cbou@...l.ru backup email: ya-cbou@...dex.ru irc://irc.freenode.net/bd2 - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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