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Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 01b4284ed69..d41e5de79a8 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1298,6 +1298,28 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
}
}
+/* Device changing type */
+
+void ip_mc_unmap(struct in_device *in_dev)
+{
+ struct ip_mc_list *i;
+
+ ASSERT_RTNL();
+
+ for (i = in_dev->mc_list; i; i = i->next)
+ igmp_group_dropped(i);
+}
+
+void ip_mc_remap(struct in_device *in_dev)
+{
+ struct ip_mc_list *i;
+
+ ASSERT_RTNL();
+
+ for (i = in_dev->mc_list; i; i = i->next)
+ igmp_group_added(i);
+}
+
/* Device going down */
void ip_mc_down(struct in_device *in_dev)