Merge pull request #312 from LudwigOrtmann/tapsetup_tapname

allow for custom tap names

cpu/native/tapsetup.sh

@@ -5,6 +5,7 @@ COUNT=${2}
 
 DEFCOUNT="2"
 DEFBRNAME="tapbr0"
+DEFTAPNAME="tap"
 
 if [ -z "${USER}" ]; then
     echo 'need to export $USER'
@@ -18,6 +19,9 @@ fi
 if [ -z "${BRNAME}" ]; then
     BRNAME="${DEFBRNAME}"
 fi
+if [ -z "${TAPNAME}" ]; then
+    TAPNAME="${DEFTAPNAME}"
+fi
 
 if [ "${COMMAND}" = 'create' ]; then
     if [ -z "${COUNT}" ]; then
@@ -30,11 +34,11 @@ if [ "${COMMAND}" = 'create' ]; then
     sudo ip link set ${BRNAME} up || exit 1
 
     for N in $(seq 0 "$((COUNT - 1))"); do
-        echo "creating tap${N} ..."
-        sudo ip tuntap add dev tap${N} mode tap user ${USER} || exit 1
-        sudo -s sh -c "echo 1 > /proc/sys/net/ipv6/conf/tap${N}/disable_ipv6" || exit 1
-        sudo brctl addif ${BRNAME} tap${N} || exit 1
-        sudo ip link set tap${N} up || exit 1
+        echo "creating ${TAPNAME}${N} ..."
+        sudo ip tuntap add dev ${TAPNAME}${N} mode tap user ${USER} || exit 1
+        sudo -s sh -c "echo 1 > /proc/sys/net/ipv6/conf/${TAPNAME}${N}/disable_ipv6" || exit 1
+        sudo brctl addif ${BRNAME} ${TAPNAME}${N} || exit 1
+        sudo ip link set ${TAPNAME}${N} up || exit 1
     done
 
 elif [ "${COMMAND}" = 'delete' ]; then