From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steffen Klassert <steffen.klassert@secunet.com>
Subject: Re: [PATCH RFC 2/2] ipv6: Add support for IPsec virtual tunnel
 interfaces
Date: Fri, 23 Aug 2013 08:12:15 +0200
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To: Fan Du <fan.du@windriver.com>
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On Thu, Aug 22, 2013 at 03:47:00PM +0800, Fan Du wrote:
>=20
>=20
> On 2013=E5=B9=B408=E6=9C=8819=E6=97=A5 14:27, Steffen Klassert wrote:
> >+
> >+	skb_dst_drop(skb);
> >+	skb_dst_set_noref(skb, dst);
> >+
> >+	ip6tunnel_xmit(skb, dev);
> >+	if (ndst)
> >+		ip6_tnl_dst_store(t, ndst);
> >+	return 0;
> >+tx_err_link_failure:
> >+	stats->tx_carrier_errors++;
> >+	dst_link_failure(skb);
> >+tx_err_dst_release:
>=20
> Maybe it's necessary to count stats->tx_errors as well.

We count it directly after an error return of this function.