Module Name:    src
Committed By:   martin
Date:           Sun Oct 21 11:55:54 UTC 2018

Modified Files:
        src/sys/net [netbsd-8]: if_gif.c if_gif.h if_ipsec.c if_ipsec.h
            if_l2tp.c if_l2tp.h if_vlan.c

Log Message:
Pull up following revision(s) (requested by knakahara in ticket #1066):

        sys/net/if_vlan.c: revision 1.133
        sys/net/if_gif.h: revision 1.32
        sys/net/if_ipsec.c: revision 1.18
        sys/net/if_ipsec.h: revision 1.4
        sys/net/if_gif.c: revision 1.144
        sys/net/if_l2tp.h: revision 1.6
        sys/net/if_l2tp.c: revision 1.30

Fix panic when doing ioctl to multiple pseudo interfaces. Pointed out by 
k-goda@IIJ.

XXX pullup-8


To generate a diff of this commit:
cvs rdiff -u -r1.126.2.11 -r1.126.2.12 src/sys/net/if_gif.c
cvs rdiff -u -r1.25.8.3 -r1.25.8.4 src/sys/net/if_gif.h
cvs rdiff -u -r1.3.2.9 -r1.3.2.10 src/sys/net/if_ipsec.c
cvs rdiff -u -r1.1.2.3 -r1.1.2.4 src/sys/net/if_ipsec.h
cvs rdiff -u -r1.11.2.9 -r1.11.2.10 src/sys/net/if_l2tp.c
cvs rdiff -u -r1.2.2.2 -r1.2.2.3 src/sys/net/if_l2tp.h
cvs rdiff -u -r1.97.2.14 -r1.97.2.15 src/sys/net/if_vlan.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_gif.c
diff -u src/sys/net/if_gif.c:1.126.2.11 src/sys/net/if_gif.c:1.126.2.12
--- src/sys/net/if_gif.c:1.126.2.11	Thu Jun  7 17:42:25 2018
+++ src/sys/net/if_gif.c	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_gif.c,v 1.126.2.11 2018/06/07 17:42:25 martin Exp $	*/
+/*	$NetBSD: if_gif.c,v 1.126.2.12 2018/10/21 11:55:54 martin Exp $	*/
 /*	$KAME: if_gif.c,v 1.76 2001/08/20 02:01:02 kjc Exp $	*/
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.126.2.11 2018/06/07 17:42:25 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.126.2.12 2018/10/21 11:55:54 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -105,7 +105,6 @@ static struct {
 	kmutex_t lock;
 } gif_softcs __cacheline_aligned;
 
-pserialize_t gif_psz __read_mostly;
 struct psref_class *gv_psref_class __read_mostly;
 
 static void	gif_ro_init_pc(void *, void *, struct cpu_info *);
@@ -224,7 +223,6 @@ gifinit(void)
 	LIST_INIT(&gif_softcs.list);
 	if_clone_attach(&gif_cloner);
 
-	gif_psz = pserialize_create();
 	gv_psref_class = psref_class_create("gifvar", IPL_SOFTNET);
 
 	gif_sysctl_setup();
@@ -243,7 +241,6 @@ gifdetach(void)
 
 	if (error == 0) {
 		psref_class_destroy(gv_psref_class);
-		pserialize_destroy(gif_psz);
 
 		if_clone_detach(&gif_cloner);
 		sysctl_teardown(&gif_sysctl);
@@ -275,9 +272,10 @@ gif_clone_create(struct if_clone *ifc, i
 
 	sc->gif_var = var;
 	mutex_init(&sc->gif_lock, MUTEX_DEFAULT, IPL_NONE);
+	sc->gif_psz = pserialize_create();
+
 	sc->gif_ro_percpu = percpu_alloc(sizeof(struct gif_ro));
 	percpu_foreach(sc->gif_ro_percpu, gif_ro_init_pc, NULL);
-
 	mutex_enter(&gif_softcs.lock);
 	LIST_INSERT_HEAD(&gif_softcs.list, sc, gif_list);
 	mutex_exit(&gif_softcs.lock);
@@ -355,6 +353,7 @@ gif_clone_destroy(struct ifnet *ifp)
 	percpu_foreach(sc->gif_ro_percpu, gif_ro_fini_pc, NULL);
 	percpu_free(sc->gif_ro_percpu, sizeof(struct gif_ro));
 
+	pserialize_destroy(sc->gif_psz);
 	mutex_destroy(&sc->gif_lock);
 
 	var = sc->gif_var;
@@ -1173,7 +1172,7 @@ gif_update_variant(struct gif_softc *sc,
 	KASSERT(mutex_owned(&sc->gif_lock));
 
 	sc->gif_var = nvar;
-	pserialize_perform(gif_psz);
+	pserialize_perform(sc->gif_psz);
 	psref_target_destroy(&ovar->gv_psref, gv_psref_class);
 
 	if (nvar->gv_psrc != NULL && nvar->gv_pdst != NULL)

Index: src/sys/net/if_gif.h
diff -u src/sys/net/if_gif.h:1.25.8.3 src/sys/net/if_gif.h:1.25.8.4
--- src/sys/net/if_gif.h:1.25.8.3	Thu May 17 14:07:03 2018
+++ src/sys/net/if_gif.h	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_gif.h,v 1.25.8.3 2018/05/17 14:07:03 martin Exp $	*/
+/*	$NetBSD: if_gif.h,v 1.25.8.4 2018/10/21 11:55:54 martin Exp $	*/
 /*	$KAME: if_gif.h,v 1.23 2001/07/27 09:21:42 itojun Exp $	*/
 
 /*
@@ -40,6 +40,7 @@
 #include <sys/queue.h>
 #include <sys/percpu.h>
 #ifdef _KERNEL
+#include <sys/pserialize.h>
 #include <sys/psref.h>
 #endif
 
@@ -78,6 +79,7 @@ struct gif_softc {
 					 * instead of direct dereference.
 					 */
 	kmutex_t gif_lock;		/* writer lock for gif_var */
+	pserialize_t gif_psz;
 
 	LIST_ENTRY(gif_softc) gif_list;	/* list of all gifs */
 };

Index: src/sys/net/if_ipsec.c
diff -u src/sys/net/if_ipsec.c:1.3.2.9 src/sys/net/if_ipsec.c:1.3.2.10
--- src/sys/net/if_ipsec.c:1.3.2.9	Thu Jun  7 16:22:43 2018
+++ src/sys/net/if_ipsec.c	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ipsec.c,v 1.3.2.9 2018/06/07 16:22:43 martin Exp $  */
+/*	$NetBSD: if_ipsec.c,v 1.3.2.10 2018/10/21 11:55:54 martin Exp $  */
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ipsec.c,v 1.3.2.9 2018/06/07 16:22:43 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ipsec.c,v 1.3.2.10 2018/10/21 11:55:54 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -145,7 +145,6 @@ static struct {
 	kmutex_t lock;
 } ipsec_softcs __cacheline_aligned;
 
-pserialize_t ipsec_psz __read_mostly;
 struct psref_class *iv_psref_class __read_mostly;
 
 struct if_clone ipsec_cloner =
@@ -160,7 +159,6 @@ ipsecifattach(int count)
 	mutex_init(&ipsec_softcs.lock, MUTEX_DEFAULT, IPL_NONE);
 	LIST_INIT(&ipsec_softcs.list);
 
-	ipsec_psz = pserialize_create();
 	iv_psref_class = psref_class_create("ipsecvar", IPL_SOFTNET);
 
 	if_clone_attach(&ipsec_cloner);
@@ -184,6 +182,7 @@ if_ipsec_clone_create(struct if_clone *i
 
 	sc->ipsec_var = var;
 	mutex_init(&sc->ipsec_lock, MUTEX_DEFAULT, IPL_NONE);
+	sc->ipsec_psz = pserialize_create();
 	sc->ipsec_ro_percpu = percpu_alloc(sizeof(struct ipsec_ro));
 	percpu_foreach(sc->ipsec_ro_percpu, if_ipsec_ro_init_pc, NULL);
 
@@ -254,6 +253,7 @@ if_ipsec_clone_destroy(struct ifnet *ifp
 	percpu_foreach(sc->ipsec_ro_percpu, if_ipsec_ro_fini_pc, NULL);
 	percpu_free(sc->ipsec_ro_percpu, sizeof(struct ipsec_ro));
 
+	pserialize_destroy(sc->ipsec_psz);
 	mutex_destroy(&sc->ipsec_lock);
 
 	var = sc->ipsec_var;
@@ -1785,7 +1785,7 @@ if_ipsec_update_variant(struct ipsec_sof
 	 * "null" config variant to sc->ipsec_var.
 	 */
 	sc->ipsec_var = nullvar;
-	pserialize_perform(ipsec_psz);
+	pserialize_perform(sc->ipsec_psz);
 	psref_target_destroy(&ovar->iv_psref, iv_psref_class);
 
 	error = if_ipsec_replace_sp(sc, ovar, nvar);
@@ -1796,7 +1796,7 @@ if_ipsec_update_variant(struct ipsec_sof
 		psref_target_init(&ovar->iv_psref, iv_psref_class);
 	}
 
-	pserialize_perform(ipsec_psz);
+	pserialize_perform(sc->ipsec_psz);
 	psref_target_destroy(&nullvar->iv_psref, iv_psref_class);
 
 	if (if_ipsec_variant_is_configured(sc->ipsec_var))

Index: src/sys/net/if_ipsec.h
diff -u src/sys/net/if_ipsec.h:1.1.2.3 src/sys/net/if_ipsec.h:1.1.2.4
--- src/sys/net/if_ipsec.h:1.1.2.3	Thu May 17 14:07:03 2018
+++ src/sys/net/if_ipsec.h	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ipsec.h,v 1.1.2.3 2018/05/17 14:07:03 martin Exp $  */
+/*	$NetBSD: if_ipsec.h,v 1.1.2.4 2018/10/21 11:55:54 martin Exp $  */
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -35,6 +35,7 @@
 
 #include <sys/queue.h>
 #ifdef _KERNEL
+#include <sys/pserialize.h>
 #include <sys/psref.h>
 #endif
 
@@ -98,6 +99,7 @@ struct ipsec_softc {
 					  * instead of direct dereference.
 					  */
 	kmutex_t ipsec_lock;		/* writer lock for ipsec_var */
+	pserialize_t ipsec_psz;
 
 	LIST_ENTRY(ipsec_softc) ipsec_list; /* list of all gifs */
 };

Index: src/sys/net/if_l2tp.c
diff -u src/sys/net/if_l2tp.c:1.11.2.9 src/sys/net/if_l2tp.c:1.11.2.10
--- src/sys/net/if_l2tp.c:1.11.2.9	Thu Jul 26 23:55:31 2018
+++ src/sys/net/if_l2tp.c	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_l2tp.c,v 1.11.2.9 2018/07/26 23:55:31 snj Exp $	*/
+/*	$NetBSD: if_l2tp.c,v 1.11.2.10 2018/10/21 11:55:54 martin Exp $	*/
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_l2tp.c,v 1.11.2.9 2018/07/26 23:55:31 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_l2tp.c,v 1.11.2.10 2018/10/21 11:55:54 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -245,6 +245,7 @@ l2tp_clone_create(struct if_clone *ifc, 
 
 	sc->l2tp_var = var;
 	mutex_init(&sc->l2tp_lock, MUTEX_DEFAULT, IPL_NONE);
+	sc->l2tp_psz = pserialize_create();
 	PSLIST_ENTRY_INIT(sc, l2tp_hash);
 
 	sc->l2tp_ro_percpu = percpu_alloc(sizeof(struct l2tp_ro));
@@ -339,6 +340,7 @@ l2tp_clone_destroy(struct ifnet *ifp)
 	percpu_free(sc->l2tp_ro_percpu, sizeof(struct l2tp_ro));
 
 	kmem_free(var, sizeof(struct l2tp_variant));
+	pserialize_destroy(sc->l2tp_psz);
 	mutex_destroy(&sc->l2tp_lock);
 	kmem_free(sc, sizeof(struct l2tp_softc));
 
@@ -1202,7 +1204,7 @@ l2tp_variant_update(struct l2tp_softc *s
 	KASSERT(mutex_owned(&sc->l2tp_lock));
 
 	sc->l2tp_var = nvar;
-	pserialize_perform(l2tp_psz);
+	pserialize_perform(sc->l2tp_psz);
 	psref_target_destroy(&ovar->lv_psref, lv_psref_class);
 
 	/*

Index: src/sys/net/if_l2tp.h
diff -u src/sys/net/if_l2tp.h:1.2.2.2 src/sys/net/if_l2tp.h:1.2.2.3
--- src/sys/net/if_l2tp.h:1.2.2.2	Thu May 17 14:07:03 2018
+++ src/sys/net/if_l2tp.h	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_l2tp.h,v 1.2.2.2 2018/05/17 14:07:03 martin Exp $	*/
+/*	$NetBSD: if_l2tp.h,v 1.2.2.3 2018/10/21 11:55:54 martin Exp $	*/
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -36,6 +36,7 @@
 #include <sys/queue.h>
 #include <sys/ioccom.h>
 #ifdef _KERNEL
+#include <sys/pserialize.h>
 #include <sys/psref.h>
 #include <sys/pslist.h>
 #endif
@@ -104,6 +105,7 @@ struct l2tp_softc {
 					* instead of direct dereference.
 					*/
 	kmutex_t l2tp_lock;		/* writer lock for l2tp_var */
+	pserialize_t l2tp_psz;
 
 	LIST_ENTRY(l2tp_softc) l2tp_list; /* list of all l2tps */
 	struct pslist_entry l2tp_hash;	/* hashed list to lookup by session id */

Index: src/sys/net/if_vlan.c
diff -u src/sys/net/if_vlan.c:1.97.2.14 src/sys/net/if_vlan.c:1.97.2.15
--- src/sys/net/if_vlan.c:1.97.2.14	Tue Jun 12 16:34:04 2018
+++ src/sys/net/if_vlan.c	Sun Oct 21 11:55:54 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_vlan.c,v 1.97.2.14 2018/06/12 16:34:04 snj Exp $	*/
+/*	$NetBSD: if_vlan.c,v 1.97.2.15 2018/10/21 11:55:54 martin Exp $	*/
 
 /*-
  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
@@ -78,7 +78,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.97.2.14 2018/06/12 16:34:04 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.97.2.15 2018/10/21 11:55:54 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -408,6 +408,7 @@ vlan_clone_destroy(struct ifnet *ifp)
 
 	psref_target_destroy(&ifv->ifv_mib->ifvm_psref, ifvm_psref_class);
 	kmem_free(ifv->ifv_mib, sizeof(struct ifvlan_linkmib));
+	pserialize_destroy(ifv->ifv_psz);
 	mutex_destroy(&ifv->ifv_lock);
 	free(ifv, M_DEVBUF);
 

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