D15040.id.diff
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	Index: head/sys/net/if_ethersubr.c
	===================================================================
	--- head/sys/net/if_ethersubr.c
	+++ head/sys/net/if_ethersubr.c
	@@ -1128,10 +1128,13 @@
	if (error != 0)
	break;
	if (ifr->ifr_lan_pcp > 7 &&
	- ifr->ifr_lan_pcp != IFNET_PCP_NONE)
	+ ifr->ifr_lan_pcp != IFNET_PCP_NONE) {
	error = EINVAL;
	- else
	+ } else {
	ifp->if_pcp = ifr->ifr_lan_pcp;
	+ /* broadcast event about PCP change */
	+ EVENTHANDLER_INVOKE(ifnet_event, ifp, IFNET_EVENT_PCP);
	+ }
	break;

	case SIOCGLANPCP:
	Index: head/sys/net/if_var.h
	===================================================================
	--- head/sys/net/if_var.h
	+++ head/sys/net/if_var.h
	@@ -421,6 +421,8 @@
	/* Interface up/down event */
	#define IFNET_EVENT_UP 0
	#define IFNET_EVENT_DOWN 1
	+#define IFNET_EVENT_PCP 2 /* priority code point, PCP */
	+
	typedef void (ifnet_event_fn)(void , struct ifnet *ifp, int event);
	EVENTHANDLER_DECLARE(ifnet_event, ifnet_event_fn);
	#endif /* _SYS_EVENTHANDLER_H_ */
	Index: head/sys/net/if_vlan.c
	===================================================================
	--- head/sys/net/if_vlan.c
	+++ head/sys/net/if_vlan.c
	@@ -1947,6 +1947,8 @@
	}
	ifv->ifv_pcp = ifr->ifr_vlan_pcp;
	vlan_tag_recalculate(ifv);
	+ /* broadcast event about PCP change */
	+ EVENTHANDLER_INVOKE(ifnet_event, ifp, IFNET_EVENT_PCP);
	break;

	case SIOCSIFCAP: