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| author |   Adrian Freihofer <adrian.freihofer@gmail.com> | 2023-06-22 19:01:22 +0200 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2023-06-24 12:19:52 +0100 |
| commit | c9ea17c13935e805a5b7497b14e1f049b0548779 (patch) | |
| tree | b0d1b00817e4ca445e56a27bef760e6218adec67 /scripts/runqemu-ifup | |
| parent | 9ccbabc06d02addd429a21dbe15a1a42738c58d6 (diff) | |
| download | openembedded-core-contrib-c9ea17c13935e805a5b7497b14e1f049b0548779.tar.gz | |
runqemu-ifup: configurable tap names
Feature: Hard-coding the interface names to tap* is not always a good
idea. Introduce an environment variable which allows to change this:
OE_TAP_NAME.
Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts/runqemu-ifup')
| -rwxr-xr-x | scripts/runqemu-ifup | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/scripts/runqemu-ifup b/scripts/runqemu-ifup index 2671451802..9820dc535c 100755 --- a/scripts/runqemu-ifup +++ b/scripts/runqemu-ifup @@ -40,12 +40,16 @@ else fi +if [ -z "$OE_TAP_NAME" ]; then + OE_TAP_NAME=tap +fi + if taps=$(ip tuntap list 2>/dev/null); then - tap_no=$(( $(echo "$taps" |cut -f 1 -d ":" | sed 's/tap//g' | sort -rn | head -n 1) + 1 )) - ip tuntap add tap$tap_no mode tap group "$GROUP" && TAP=tap$tap_no + tap_no=$(( $(echo "$taps" |cut -f 1 -d ":" | sed "s/$OE_TAP_NAME//g" | sort -rn | head -n 1) + 1 )) + ip tuntap add "$OE_TAP_NAME$tap_no" mode tap group "$GROUP" && TAP="$OE_TAP_NAME$tap_no" fi -if [ -z $TAP ]; then +if [ -z "$TAP" ]; then echo "Error: Unable to find a tap device to use" exit 1 fi @@ -69,7 +73,7 @@ if [ ! -x "$IPTABLES" ]; then exit 1 fi -n=$[ (`echo $TAP | sed 's/tap//'` * 2) + 1 ] +n=$[ (`echo $TAP | sed "s/$OE_TAP_NAME//"` * 2) + 1 ] $IPTOOL addr add 192.168.7.$n/32 broadcast 192.168.7.255 dev $TAP STATUS=$? if [ $STATUS -ne 0 ]; then @@ -83,7 +87,7 @@ if [ $STATUS -ne 0 ]; then exit 1 fi -dest=$[ (`echo $TAP | sed 's/tap//'` * 2) + 2 ] +dest=$[ (`echo $TAP | sed "s/$OE_TAP_NAME//"` * 2) + 2 ] $IPTOOL route add to 192.168.7.$dest dev $TAP STATUS=$? if [ $STATUS -ne 0 ]; then |