On Mon, 24 Nov 2008 20:55:02 +0100
"Kay Sievers" <kay.sievers@xxxxxxxx> wrote:
> On Mon, Nov 24, 2008 at 20:45, Stephen Hemminger <shemminger@xxxxxxxxxx> wrote:
> > It is easier for some applications to deal with text based interfaces
> > like uevent, rather than using netlink to listen for events.
> >
> > Note, this does not deal with network namespaces but that is a generic
> > problem that already exists with kobjects (see rename events).
> >
> > Signed-off-by: Stephen Hemminger <shemminger@xxxxxxxxxx>
> >
> > ---
> > net/core/Makefile | 1
> > net/core/uevent.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 62 insertions(+)
> >
> > --- a/net/core/Makefile 2008-11-24 08:40:10.000000000 -0800
> > +++ b/net/core/Makefile 2008-11-24 08:51:01.000000000 -0800
> > @@ -17,3 +17,4 @@ obj-$(CONFIG_NET_PKTGEN) += pktgen.o
> > obj-$(CONFIG_NETPOLL) += netpoll.o
> > obj-$(CONFIG_NET_DMA) += user_dma.o
> > obj-$(CONFIG_FIB_RULES) += fib_rules.o
> > +obj-$(CONFIG_HOTPLUG) += uevent.o
> > --- /dev/null 1970-01-01 00:00:00.000000000 +0000
> > +++ b/net/core/uevent.c 2008-11-24 09:06:50.000000000 -0800
> > @@ -0,0 +1,60 @@
> > +/*
> > + * Linux network device event notification
> > + *
> > + * Author:
> > + * Stephen Hemminger <shemminger@xxxxxxxxxx>
> > + */
> > +
> > +#include <linux/kernel.h>
> > +#include <linux/netdevice.h>
> > +#include <linux/kobject.h>
> > +#include <linux/notifier.h>
> > +
> > +/*
> > + * Generate uevent in response to nework device changes.
> > + * NB: KOBJ_MOVE is already genereated by kobject_rename
> > + */
> > +static int netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
> > +{
> > + struct net_device *netdev = ptr;
> > +
> > + switch (event) {
> > + case NETDEV_UNREGISTER:
> > + kobject_uevent(&netdev->dev.kobj, KOBJ_REMOVE);
> > + break;
> > + case NETDEV_REGISTER:
> > + kobject_uevent(&netdev->dev.kobj, KOBJ_ADD);
> > + break;
>
> Did you do anything else to prevent the duplicated add/remove events?
> The core does send these already. I replied with a "udevadm monitor"
> output to your earlier mail. Don't you see the duplicates on your box?
>
> Thanks,
> Kay
okay, then i'll just take it out of here.
--
To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
