From d592108ca6acf64f5a653ef0cbf3be53e7540ce5 Mon Sep 17 00:00:00 2001
From: thompsa <thompsa@FreeBSD.org>
Date: Wed, 17 Dec 2008 20:58:10 +0000
Subject: [PATCH] Update the interface baudrate taking into account the max
 speed for the different aggregation protocols.

---
 sys/net/ieee8023ad_lacp.c |  2 ++
 sys/net/if_lagg.c         | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/sys/net/ieee8023ad_lacp.c b/sys/net/ieee8023ad_lacp.c
index 27cf480c3a5c..bd44e234c2bf 100644
--- a/sys/net/ieee8023ad_lacp.c
+++ b/sys/net/ieee8023ad_lacp.c
@@ -901,6 +901,7 @@ lacp_aggregator_bandwidth(struct lacp_aggregator *la)
 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 *lsc)
 #endif /* defined(LACP_DEBUG) */
 
 	if (lsc->lsc_active_aggregator != best_la) {
+		sc->sc_ifp->if_baudrate = best_speed;
 		lsc->lsc_active_aggregator = best_la;
 		lacp_update_portmap(lsc);
 		if (best_la) {
diff --git a/sys/net/if_lagg.c b/sys/net/if_lagg.c
index 06543bbe614c..f3c414321c53 100644
--- a/sys/net/if_lagg.c
+++ b/sys/net/if_lagg.c
@@ -1211,6 +1211,7 @@ lagg_linkstate(struct lagg_softc *sc)
 {
 	struct lagg_port *lp;
 	int new_link = LINK_STATE_DOWN;
+	uint64_t speed = 0;
 
 	/* Our link is considered up if at least one of our ports is active */
 	SLIST_FOREACH(lp, &sc->sc_ports, lp_entries) {
@@ -1220,6 +1221,24 @@ lagg_linkstate(struct lagg_softc *sc)
 		}
 	}
 	if_link_state_change(sc->sc_ifp, new_link);
+
+	/* Update if_baudrate to reflect the max possible speed */
+	switch (sc->sc_proto) {
+		case LAGG_PROTO_FAILOVER:
+			sc->sc_ifp->if_baudrate =
+			    sc->sc_primary->lp_ifp->if_baudrate;
+			break;
+		case LAGG_PROTO_ROUNDROBIN:
+		case LAGG_PROTO_LOADBALANCE:
+		case LAGG_PROTO_ETHERCHANNEL:
+			SLIST_FOREACH(lp, &sc->sc_ports, lp_entries)
+				speed += lp->lp_ifp->if_baudrate;
+			sc->sc_ifp->if_baudrate = speed;
+			break;
+		case LAGG_PROTO_LACP:
+			/* LACP updates if_baudrate itself */
+			break;
+	}
 }
 
 static void