netdev - Re: [RESEND PATCH iproute2] vxlan: add ipv6 support

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Date:	Tue, 24 Sep 2013 10:44:05 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: [RESEND PATCH iproute2] vxlan: add ipv6 support

On Mon, 2013-09-23 at 13:20 -0700, Stephen Hemminger wrote:
> On Sat, 21 Sep 2013 10:35:24 +0800
> Cong Wang <amwang@...hat.com> wrote:
> 
> > +			if (!inet_pton(AF_INET, *argv, &gaddr)) {
> > +				if (!inet_pton(AF_INET6, *argv, &gaddr6)) {
> > +					fprintf(stderr, "Invalid address \"%s\"\n", *argv);
> > +					return -1;
> > +				} else if (!IN6_IS_ADDR_MULTICAST(&gaddr6))
> > +					invarg("invald group address", *argv);
> > +			} else if (!IN_MULTICAST(ntohl(gaddr)))
> > +					invarg("invald group address", *argv);
> 
> This is ugly, can't it be done more generically by checking for ':' in address.
> Or even use getaddrinfo.
> 
> Hate to have lots of special code to handle both address types.
> 

Alright, I will introduce a helper function for it.

Thanks!

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