Hi Johannes,
On ke, 2014-10-29 at 16:53 +0100, Johannes Berg wrote:
> On Wed, 2014-10-29 at 16:50 +0100, Johannes Berg wrote:
> > On Mon, 2014-10-27 at 12:44 +0200, Jukka Rissanen wrote:
> >
> > > +static void mcast_msg(struct sk_buff *mcast_skb, struct genl_info *info)
> > > +{
> > > + if (info)
> > > + genl_notify(&hwsim_genl_family, mcast_skb,
> > > + genl_info_net(info), info->snd_portid,
> > > + HWSIM_MCGRP_CONFIG, info->nlhdr, GFP_KERNEL);
> > > + else
> > > + genlmsg_multicast(&hwsim_genl_family, mcast_skb, 0,
> > > + HWSIM_MCGRP_CONFIG, GFP_KERNEL);
> > > +}
> >
> > Also - given the parameters and what this does, that's a bad name for
> > the function. Never mind that it doesn't have any sort of identifier
> > (say hwsim_ prefix), it doesn't even do what it says it does.
>
> Or maybe it does? I'm unsure what genl_notify() does...
Yes, genl_notify() will eventually call nlmsg_notify() which will
multicast the message because we have set the group id in the call.
http://lxr.free-electrons.com/source/net/netlink/af_netlink.c#L2856
Cheers,
Jukka
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