On Tue, Dec 16, 2008 at 07:12:24PM +0100, Harti Brandt wrote:
> On Tue, 16 Dec 2008, Sergey Matveychuk wrote:
> SM>>
> SM>> The highspeed counters are only there if this is a high-speed interface.
> SM>> High speed means that the baudrate in the interface MIB (the one in the
> SM>> kernel) must be larger than 20Mbaud.
> SM>
> SM>Well, these is lagg interfaces:
> SM>lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
> SM> options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4>
> SM> ether 00:30:48:67:d4:68
> SM> media: Ethernet autoselect
> SM> status: active
> SM> laggproto lacp
> SM> laggport: em2 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
> SM> laggport: em0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
> SM>
> SM>There is no baudrate on them. But they are really high-speed however.
>
> All interfaces have a baudrate. Its in net/if.h ifi_baudrate. We had the
> problem in the past with other interface types. 'virtual' interfaces must
> take care to somehow propagate the rate of the underlying physical
> interfaces up to the virtual one.
This patch should fix it for the lacp case. What is the correct value to
use for a collection of interfaces with possibly different speeds?
highest/lowest?
Andrew
Index: ieee8023ad_lacp.c
===================================================================
--- ieee8023ad_lacp.c (revision 186188)
+++ ieee8023ad_lacp.c (working copy)
@@ -901,6 +901,7 @@ lacp_aggregator_bandwidth(struct lacp_aggregator *
static void
lacp_select_active_aggregator(struct lacp_softc *lsc)
{
+ struct lagg_softc *sc = lsc->lsc_softc;
struct lacp_aggregator *la;
struct lacp_aggregator *best_la = NULL;
uint64_t best_speed = 0;
@@ -956,6 +957,7 @@ lacp_select_active_aggregator(struct lacp_softc *l
#endif /* defined(LACP_DEBUG) */
if (lsc->lsc_active_aggregator != best_la) {
+ sc->sc_ifp->if_baudrate = speed;
lsc->lsc_active_aggregator = best_la;
lacp_update_portmap(lsc);
if (best_la) {
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