[src/trunk]: src/sys/net Add a way to delete all media for a specified instance.

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cee695059e12
branches:  trunk
changeset: 481356:cee695059e12
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Wed Jan 26 21:58:17 2000 +0000

description:
Add a way to delete all media for a specified instance.

diffstat:

 sys/net/if_media.c |  23 ++++++++++++++++++++++-
 sys/net/if_media.h |   6 +++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diffs (64 lines):

diff -r 7618288a71d8 -r cee695059e12 sys/net/if_media.c
--- a/sys/net/if_media.c        Wed Jan 26 18:50:18 2000 +0000
+++ b/sys/net/if_media.c        Wed Jan 26 21:58:17 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_media.c,v 1.7 1999/11/03 23:06:35 thorpej Exp $     */
+/*     $NetBSD: if_media.c,v 1.8 2000/01/26 21:58:17 thorpej Exp $     */
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -388,6 +388,27 @@
        return match;
 }
 
+/*
+ * Delete all media for a given instance.
+ */
+void
+ifmedia_delete_instance(ifm, inst)
+       struct ifmedia *ifm;
+       int inst;
+{
+       struct ifmedia_entry *ife, *nife;
+
+       for (ife = TAILQ_FIRST(&ifm->ifm_list); ife != NULL;
+            ife = nife) {
+               nife = TAILQ_NEXT(ife, ifm_list);
+               if (inst == IFM_INST_ANY ||
+                   inst == IFM_INST(ife->ifm_media)) {
+                       TAILQ_REMOVE(&ifm->ifm_list, ife, ifm_list);
+                       free(ife, M_DEVBUF);
+               }
+       }
+}
+
 #ifdef IFMEDIA_DEBUG
 
 struct ifmedia_description ifm_type_descriptions[] =
diff -r 7618288a71d8 -r cee695059e12 sys/net/if_media.h
--- a/sys/net/if_media.h        Wed Jan 26 18:50:18 2000 +0000
+++ b/sys/net/if_media.h        Wed Jan 26 21:58:17 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_media.h,v 1.19 2000/01/25 20:18:52 thorpej Exp $    */
+/*     $NetBSD: if_media.h,v 1.20 2000/01/26 21:58:18 thorpej Exp $    */
 
 /*-
  * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@@ -141,6 +141,9 @@
 struct ifmedia_entry *ifmedia_match __P((struct ifmedia *ifm, int flags,
            int mask));
 
+/* Delete all media for a given media instance */
+void   ifmedia_delete_instance __P((struct ifmedia *, int));
+
 #endif /*_KERNEL */
 
 /*
@@ -262,6 +265,7 @@
 #define        IFM_OPTIONS(x)  ((x) & (IFM_OMASK|IFM_GMASK))
 
 #define        IFM_INST_MAX    IFM_INST(IFM_IMASK)
+#define        IFM_INST_ANY    -1
 
 /*
  * Macro to create a media word.