testing/vlan: new aport

Scripts for configuring VLAN network interfaces
http://wiki.alpinelinux.org/wiki/Vlan

5 files changed, 159 insertions, 0 deletions

diff --git a/testing/vlan/APKBUILD b/testing/vlan/APKBUILD
new file mode 100644
index 0000000000..30910bcb4a
--- /dev/null
+++ b/testing/vlan/APKBUILD
@@ -0,0 +1,47 @@
+# Contributor: Natanael Copa <ncopa@alpinelinux.org>
+# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
+pkgname=vlan
+pkgver=1.9
+pkgrel=0
+pkgdesc="Scripts for configuring VLAN network interfaces"
+url="http://wiki.alpinelinux.org/wiki/Vlan"
+arch="noarch"
+license="GPL"
+depends=""
+makedepends=""
+install=""
+subpackages=""
+source="mvlan.post-down
+	mvlan.pre-up
+	vlan.post-down
+	vlan.pre-up
+	"
+
+_builddir=
+prepare() {
+	local i
+	cd "$_builddir"
+	for i in $source; do
+		case $i in
+		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
+		esac
+	done
+}
+
+build() {
+	return 0
+}
+
+package() {
+	cd "$srcdir"
+	for i in vlan mvlan; do
+		for j in pre-up post-down; do
+			install -Dm755 $i.$j "$pkgdir"/etc/network/if-$j.d/$i || return 1
+		done
+	done
+}
+
+md5sums="3683be24d1fc1d8565e945c349c41571  mvlan.post-down
+5b6232674e83b0dbfc24af523dd5ec03  mvlan.pre-up
+cebaa97c933ed0f4cafd92f864ab4bc8  vlan.post-down
+c9acef8c17d8af19590767f57eb11b6b  vlan.pre-up"
diff --git a/testing/vlan/mvlan.post-down b/testing/vlan/mvlan.post-down
new file mode 100644
index 0000000000..229fc0e7f5
--- /dev/null
+++ b/testing/vlan/mvlan.post-down
@@ -0,0 +1,14 @@
+#!/bin/sh
+case "$IFACE" in
+        *#[0-9]*)
+                MVLANID="${IFACE##*#}"
+                IF_MVLAN_RAW_DEVICE="${IFACE%#*}"
+                ;;
+        *)
+                ;;
+esac
+if [ -n "$IF_MVLAN_RAW_DEVICE" ]
+then
+	# Kernel new style configuration
+	ip link del link dev "$IFACE"
+fi
diff --git a/testing/vlan/mvlan.pre-up b/testing/vlan/mvlan.pre-up
new file mode 100644
index 0000000000..6713f3115a
--- /dev/null
+++ b/testing/vlan/mvlan.pre-up
@@ -0,0 +1,14 @@
+#!/bin/sh
+case "$IFACE" in
+        *#[0-9]*)
+                MVLANID="${IFACE##*#}"
+                IF_MVLAN_RAW_DEVICE="${IFACE%#*}"
+                ;;
+        *)
+                ;;
+esac
+if [ -n "$IF_MVLAN_RAW_DEVICE" ]
+then
+	# Kernel new style configuration
+	ip link add link $IF_MVLAN_RAW_DEVICE name $IFACE type macvlan
+fi
diff --git a/testing/vlan/vlan.post-down b/testing/vlan/vlan.post-down
new file mode 100644
index 0000000000..bf887ef149
--- /dev/null
+++ b/testing/vlan/vlan.post-down
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# If IFACE is an automagic vlan interface (without the vlan-raw-device
+# parameter) then let's try to discover the magic here..  Another way would be
+# to just probe for the right device name in /proc/net/vlan
+
+case "$IFACE" in
+	  *#*) exit 0 ;;
+	  *:*) exit 0 ;;
+	  vlan*.*) exit 0 ;;
+	  vlan*) VLAN_ID="${IFACE#vlan}" NAME1=VLAN;;
+	  *.*) RAW_DEVICE="${IFACE%.*}"; VLAN_ID="${IFACE##*.}" NAME1=DEV;;
+	  *) [ -n "${IF_VLAN_ID}" -o -n "${IF_VLAN_RAW_DEVICE}" ]  || exit 0 ;;
+esac
+
+if [ -n "$IF_VLAN_RAW_DEVICE" ]; then
+  RAW_DEVICE="$IF_VLAN_RAW_DEVICE"
+fi
+
+if [ -n "$IF_VLAN_ID" ]; then
+  VLAN_ID="$IF_VLAN_ID"
+fi
+
+if [ -n "${RAW_DEVICE}" -o -n "${VLAN_ID}" ]
+then
+	vconfig rem "${IFACE}"
+fi
diff --git a/testing/vlan/vlan.pre-up b/testing/vlan/vlan.pre-up
new file mode 100644
index 0000000000..450e0d3358
--- /dev/null
+++ b/testing/vlan/vlan.pre-up
@@ -0,0 +1,57 @@
+#!/bin/sh
+do_vlan_config() {
+    local device="$1"
+    local id="$2"
+    local newname="$3"
+    local nametype="$4"
+    vconfig set_name_type ${nametype}
+    vconfig add ${device} ${id}
+}
+
+
+# Preferred method:
+# Autoguess construction from #520147
+case "$IFACE" in
+	  *#*) exit 0 ;;
+	  *:*) exit 0 ;;
+	  vlan*.*) exit 0 ;;
+	  vlan*) VLAN_ID="${IFACE#vlan}" NAME1=VLAN;;
+	  *.*) RAW_DEVICE="${IFACE%.*}"; VLAN_ID="${IFACE##*.}" NAME1=DEV;;
+	  *) [ -n "${IF_VLAN_ID}" -o -n "${IF_VLAN_RAW_DEVICE}" ]  || exit 0 ;;
+esac
+case "$VLAN_ID" in
+	[1-9]*) NAME2=VID_NO_PAD;;
+	0???) NAME2=VID;;
+	0*) NAME2=VID_NO_PAD;; # Failsafe fallback in case of backward compatability
+esac
+if [ -n "$IF_VLAN_RAW_DEVICE" ]; then
+  RAW_DEVICE="$IF_VLAN_RAW_DEVICE"
+fi
+
+# Strip leading 0s
+VLAN_ID="${VLAN_ID#0}"
+VLAN_ID="${VLAN_ID#0}"
+VLAN_ID="${VLAN_ID#0}"
+VLAN_ID="${VLAN_ID#0}"
+VLAN_ID="$(($VLAN_ID))"
+if [ -n "$IF_VLAN_ID" ]; then
+  VLAN_ID="$IF_VLAN_ID"
+fi
+
+if [ -z "$VLAN_ID" -o -z "$RAW_DEVICE"  ]; then
+  exit 1
+fi
+
+if [ -n "$RAW_DEVICE" ] && [ -n "$VLAN_ID" ]; then
+    if ! ip link show dev "$RAW_DEVICE" > /dev/null; then
+        echo "$RAW_DEVICE does not exist, unable to create $IFACE"
+        exit 1
+    fi
+    ip link set up dev "$RAW_DEVICE"
+    do_vlan_config "$RAW_DEVICE" "$VLAN_ID" "$IFACE" "${NAME1}_PLUS_${NAME2}"
+    if ! ip link show dev "$IFACE" > /dev/null; then
+        echo "Failed to create vlan device $IFACE on device $RAW_DEVICE with tag $VLAN_ID"
+        exit 1
+    fi
+fi
+