Implement a mechanism by which ATM drivers can inform interested

parts of the system about certain kinds of events, like changes
in the ABR rate, changes in the carrier state, PVC changes. The
main consumers of these events are the harp(4) pseudo-driver
and the ILMI daemon via ng_atm(4).

1 files changed, 15 insertions, 1 deletions

diff --git a/sys/net/if_atmsubr.c b/sys/net/if_atmsubr.c
index 55393a7..02a463f 100644
--- a/sys/net/if_atmsubr.c
+++ b/sys/net/if_atmsubr.c
@@ -85,7 +85,7 @@ void	(*ng_atm_input_p)(struct ifnet *, struct mbuf **,
 	    struct atm_pseudohdr *, void *);
 void	(*ng_atm_input_orphan_p)(struct ifnet *, struct mbuf *,
 	    struct atm_pseudohdr *, void *);
-void	(*ng_atm_message_p)(struct ifnet *, u_int32_t, u_int32_t);
+void	(*ng_atm_event_p)(struct ifnet *, uint32_t, void *);
 
 /*
  * Harp pseudo interface hooks
@@ -94,6 +94,7 @@ void	(*atm_harp_input_p)(struct ifnet *ifp, struct mbuf **m,
 	    struct atm_pseudohdr *ah, void *rxhand);
 void	(*atm_harp_attach_p)(struct ifnet *);
 void	(*atm_harp_detach_p)(struct ifnet *);
+void	(*atm_harp_event_p)(struct ifnet *, uint32_t, void *);
 
 SYSCTL_NODE(_hw, OID_AUTO, atm, CTLFLAG_RW, 0, "ATM hardware");
 
@@ -461,6 +462,19 @@ atm_getvccs(struct atmio_vcc **table, u_int size, u_int start,
 	return (vccs);
 }
 
+/*
+ * Driver or channel state has changed. Inform whoever is interested
+ * in these events.
+ */
+void
+atm_event(struct ifnet *ifp, u_int event, void *arg)
+{
+	if (ng_atm_event_p != NULL)
+		(*ng_atm_event_p)(ifp, event, arg);
+	if (atm_harp_event_p != NULL)
+		(*atm_harp_event_p)(ifp, event, arg);
+}
+
 static moduledata_t atm_mod = {
         "atm",
         NULL,