Date: Mon, 26 Dec 2011 19:25:29 -0800 From: YongHyeon PYUN <pyunyh@gmail.com> To: Joe Holden <lists@rewt.org.uk> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: bsnmpd not showing out octets for vlan interfaces Message-ID: <20111227032528.GA1844@michelle.cdnetworks.com> In-Reply-To: <4EF8D0A2.5010604@rewt.org.uk> References: <4EF8D0A2.5010604@rewt.org.uk>
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[-- Attachment #1 --]
On Mon, Dec 26, 2011 at 07:53:06PM +0000, Joe Holden wrote:
> Hi guys,
>
> Hope you're all enjoying the holiday.
>
> Is anyone using bsnmpd with vlan interfaces? I see the following:
>
> ifOutOctets.10 = Counter32: 0
> ifOutOctets.11 = Counter32: 3061
> ifOutOctets.12 = Counter32: 0
> ifOutOctets.13 = Counter32: 0
>
> The ones with 0 are vlan interfaces, everything else is fine - is this a
> known issue or am I doing something wrong?
Try attached patch and let me know how it goes.
>
> Thanks,
> Joe
[-- Attachment #2 --]
Index: sys/net/if_vlan.c
===================================================================
--- sys/net/if_vlan.c (revision 228906)
+++ sys/net/if_vlan.c (working copy)
@@ -1012,10 +1012,12 @@
{
struct ifvlan *ifv;
struct ifnet *p;
- int error;
+ int error, len, mcast;
ifv = ifp->if_softc;
p = PARENT(ifv);
+ len = m->m_pkthdr.len;
+ mcast = (m->m_flags & (M_MCAST | M_BCAST)) ? 1 : 0;
BPF_MTAP(ifp, m);
@@ -1025,7 +1027,7 @@
*/
if (!UP_AND_RUNNING(p)) {
m_freem(m);
- ifp->if_collisions++;
+ ifp->if_oerrors++;
return (0);
}
@@ -1081,9 +1083,11 @@
* Send it, precisely as ether_output() would have.
*/
error = (p->if_transmit)(p, m);
- if (!error)
+ if (!error) {
ifp->if_opackets++;
- else
+ ifp->if_omcasts += mcast;
+ ifp->if_obytes += len;
+ } else
ifp->if_oerrors++;
return (error);
}
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