Add a connection type for dummy interfaces

3 files changed, 37 insertions, 0 deletions

diff --git a/docs/netctl.profile.5.txt b/docs/netctl.profile.5.txt
index 0eac7c3..1f39361 100644
--- a/docs/netctl.profile.5.txt
+++ b/docs/netctl.profile.5.txt
@@ -42,6 +42,8 @@ AVAILABLE CONNECTION TYPES
 +bridge+::
     Network bridging. This connection type requires *brctl* to be
     available.
++dummy+::
+    For dummy interfaces.
 +pppoe+::
     For PPPoE connections.
 +mobile_ppp+::
@@ -298,6 +300,12 @@ connections of the `bridge' type:
     be useful when DHCP is used on the bridge.
 
 
+OPTIONS FOR `dummy' CONNECTIONS
+-------------------------------
+The name of the dummy interface is sepcified in 'Interface'. Only the
+*ip options* are understood for connections of the `dummy' type.
+
+
 OPTIONS FOR `pppoe' CONNECTIONS
 -------------------------------
 The interface to dial peer-to-peer over ethernet is specified in
diff --git a/src/lib/connections/README b/src/lib/connections/README
index db840d6..6d8db9b 100644
--- a/src/lib/connections/README
+++ b/src/lib/connections/README
@@ -26,3 +26,6 @@ available. The readily sourced files are:
 
 Here, <profile> is the profile file specifying the desired network
 configuration.
+
+A simple example of a connection file is that of the dummy connection
+type.
diff --git a/src/lib/connections/dummy b/src/lib/connections/dummy
new file mode 100644
index 0000000..879fc92
--- /dev/null
+++ b/src/lib/connections/dummy
@@ -0,0 +1,26 @@
+# Contributed by: João Valverde <joao.valverde@ist.utl.pt>
+
+. "$SUBR_DIR/ip"
+
+declare -ag BindsToInterfaces
+
+dummy_up() {
+    if is_interface "$Interface"; then
+        report_error "Interface '$Interface' already exists"
+        return 1
+    fi
+
+    ip link add "$Interface" type dummy
+
+    bring_interface_up "$Interface"
+    ip_set
+}
+
+dummy_down() {
+    ip_unset
+    bring_interface_down "$Interface"
+    ip link del "$Interface"
+}
+
+
+# vim: ft=sh ts=4 et sw=4: