Module Name:    src
Committed By:   yamaguchi
Date:           Thu Sep 30 03:35:55 UTC 2021

Modified Files:
        src/sys/net: if.c if_bridge.c if_bridgevar.h
        src/sys/rump/librump/rumpnet: net_stub.c

Log Message:
bridge: Register bridge_calc_link_state to link-state change hook


To generate a diff of this commit:
cvs rdiff -u -r1.492 -r1.493 src/sys/net/if.c
cvs rdiff -u -r1.181 -r1.182 src/sys/net/if_bridge.c
cvs rdiff -u -r1.35 -r1.36 src/sys/net/if_bridgevar.h
cvs rdiff -u -r1.43 -r1.44 src/sys/rump/librump/rumpnet/net_stub.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/net/if.c
diff -u src/sys/net/if.c:1.492 src/sys/net/if.c:1.493
--- src/sys/net/if.c:1.492	Thu Sep 30 03:23:48 2021
+++ src/sys/net/if.c	Thu Sep 30 03:35:55 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: if.c,v 1.492 2021/09/30 03:23:48 yamaguchi Exp $	*/
+/*	$NetBSD: if.c,v 1.493 2021/09/30 03:35:55 yamaguchi Exp $	*/
 
 /*-
  * Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@@ -90,7 +90,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.492 2021/09/30 03:23:48 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.493 2021/09/30 03:35:55 yamaguchi Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -2410,11 +2410,6 @@ if_link_state_change_process(struct ifne
 	if (ifp->if_link_state_changed != NULL)
 		ifp->if_link_state_changed(ifp, link_state);
 
-#if NBRIDGE > 0
-	if (ifp->if_bridge != NULL)
-		bridge_calc_link_state(ifp->if_bridge);
-#endif
-
 #if NLAGG > 0
 	if (ifp->if_type == IFT_IEEE8023ADLAG)
 		lagg_linkstate_changed(ifp);

Index: src/sys/net/if_bridge.c
diff -u src/sys/net/if_bridge.c:1.181 src/sys/net/if_bridge.c:1.182
--- src/sys/net/if_bridge.c:1.181	Fri Jul  2 03:30:46 2021
+++ src/sys/net/if_bridge.c	Thu Sep 30 03:35:55 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_bridge.c,v 1.181 2021/07/02 03:30:46 yamaguchi Exp $	*/
+/*	$NetBSD: if_bridge.c,v 1.182 2021/09/30 03:35:55 yamaguchi Exp $	*/
 
 /*
  * Copyright 2001 Wasabi Systems, Inc.
@@ -80,7 +80,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.181 2021/07/02 03:30:46 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.182 2021/09/30 03:35:55 yamaguchi Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -738,6 +738,10 @@ bridge_delete_member(struct bridge_softc
 
 	PSLIST_WRITER_REMOVE(bif, bif_next);
 	BRIDGE_PSZ_PERFORM(sc);
+
+	if_linkstate_change_disestablish(ifs,
+	    bif->bif_linkstate_hook, BRIDGE_LOCK_OBJ(sc));
+
 	BRIDGE_UNLOCK(sc);
 
 	switch (ifs->if_type) {
@@ -796,9 +800,10 @@ bridge_calc_csum_flags(struct bridge_sof
  *
  *	Calculate the link state based on each member interface.
  */
-void
-bridge_calc_link_state(struct bridge_softc *sc)
+static void
+bridge_calc_link_state(void *xsc)
 {
+	struct bridge_softc *sc = xsc;
 	struct bridge_iflist *bif;
 	struct ifnet *ifs;
 	int link_state = LINK_STATE_DOWN;
@@ -889,6 +894,8 @@ bridge_ioctl_add(struct bridge_softc *sc
 	bif->bif_flags = IFBIF_LEARNING | IFBIF_DISCOVER;
 	bif->bif_priority = BSTP_DEFAULT_PORT_PRIORITY;
 	bif->bif_path_cost = BSTP_DEFAULT_PATH_COST;
+	bif->bif_linkstate_hook = if_linkstate_change_establish(ifs,
+	    bridge_calc_link_state, sc);
 	PSLIST_ENTRY_INIT(bif, bif_next);
 	psref_target_init(&bif->bif_psref, bridge_psref_class);
 

Index: src/sys/net/if_bridgevar.h
diff -u src/sys/net/if_bridgevar.h:1.35 src/sys/net/if_bridgevar.h:1.36
--- src/sys/net/if_bridgevar.h:1.35	Sun Sep 27 00:32:17 2020
+++ src/sys/net/if_bridgevar.h	Thu Sep 30 03:35:55 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_bridgevar.h,v 1.35 2020/09/27 00:32:17 roy Exp $	*/
+/*	$NetBSD: if_bridgevar.h,v 1.36 2021/09/30 03:35:55 yamaguchi Exp $	*/
 
 /*
  * Copyright 2001 Wasabi Systems, Inc.
@@ -269,6 +269,7 @@ struct bridge_iflist {
 	struct ifnet		*bif_ifp;	/* member if */
 	uint32_t		bif_flags;	/* member if flags */
 	struct psref_target	bif_psref;
+	void *			*bif_linkstate_hook;
 };
 
 /*
@@ -346,11 +347,11 @@ void	bridge_enqueue(struct bridge_softc 
 	    int);
 
 void	bridge_calc_csum_flags(struct bridge_softc *);
-void	bridge_calc_link_state(struct bridge_softc *);
 
-#define BRIDGE_LOCK(_sc)	mutex_enter(&(_sc)->sc_iflist_psref.bip_lock)
-#define BRIDGE_UNLOCK(_sc)	mutex_exit(&(_sc)->sc_iflist_psref.bip_lock)
-#define BRIDGE_LOCKED(_sc)	mutex_owned(&(_sc)->sc_iflist_psref.bip_lock)
+#define BRIDGE_LOCK_OBJ(_sc)	(&(_sc)->sc_iflist_psref.bip_lock)
+#define BRIDGE_LOCK(_sc)	mutex_enter(BRIDGE_LOCK_OBJ(_sc))
+#define BRIDGE_UNLOCK(_sc)	mutex_exit(BRIDGE_LOCK_OBJ(_sc))
+#define BRIDGE_LOCKED(_sc)	mutex_owned(BRIDGE_LOCK_OBJ(_sc))
 
 #define BRIDGE_PSZ_RENTER(__s)	do { __s = pserialize_read_enter(); } while (0)
 #define BRIDGE_PSZ_REXIT(__s)	do { pserialize_read_exit(__s); } while (0)

Index: src/sys/rump/librump/rumpnet/net_stub.c
diff -u src/sys/rump/librump/rumpnet/net_stub.c:1.43 src/sys/rump/librump/rumpnet/net_stub.c:1.44
--- src/sys/rump/librump/rumpnet/net_stub.c:1.43	Wed Jul 14 03:19:24 2021
+++ src/sys/rump/librump/rumpnet/net_stub.c	Thu Sep 30 03:35:55 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: net_stub.c,v 1.43 2021/07/14 03:19:24 ozaki-r Exp $	*/
+/*	$NetBSD: net_stub.c,v 1.44 2021/09/30 03:35:55 yamaguchi Exp $	*/
 
 /*
  * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: net_stub.c,v 1.43 2021/07/14 03:19:24 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: net_stub.c,v 1.44 2021/09/30 03:35:55 yamaguchi Exp $");
 
 #include <sys/mutex.h>
 #include <sys/param.h>
@@ -62,7 +62,6 @@ rumpnet_stub(void)
 __weak_alias(bridge_ifdetach,rumpnet_stub);
 __weak_alias(bridge_output,rumpnet_stub);
 __weak_alias(bridge_calc_csum_flags,rumpnet_stub);
-__weak_alias(bridge_calc_link_state,rumpnet_stub);
 
 /* agr */
 __weak_alias(agr_input,rumpnet_stub);

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