diff --git a/Dockerfile b/Dockerfile index 6fff051..b5cc955 100644 --- a/Dockerfile +++ b/Dockerfile @@ -24,6 +24,7 @@ RUN set -eu && \ net-tools \ e2fsprogs \ qemu-utils \ + iputils-ping \ genisoimage \ ca-certificates \ netcat-openbsd \ diff --git a/src/network.sh b/src/network.sh index a1e7a14..8ca6c7b 100644 --- a/src/network.sh +++ b/src/network.sh @@ -4,6 +4,7 @@ set -Eeuo pipefail # Docker environment variables : "${MAC:=""}" +: "${MTU:=""}" : "${DHCP:="N"}" : "${NETWORK:="Y"}" : "${USER_PORTS:=""}" @@ -349,6 +350,10 @@ getInfo() { error "$ADD_ERR -e \"VM_NET_DEV=NAME\" to specify another interface name." && exit 27 fi + if [ -z "$MTU" ]; then + MTU=$(cat "/sys/class/net/$VM_NET_DEV/mtu") + fi + if [ -z "$MAC" ]; then local file="$STORAGE/$PROCESS.mac" [ -s "$file" ] && MAC=$(<"$file") @@ -390,7 +395,7 @@ getInfo html "Initializing network..." if [[ "$DEBUG" == [Yy1]* ]]; then - info "Host: $HOST IP: $IP Gateway: $GATEWAY Interface: $VM_NET_DEV MAC: $VM_NET_MAC" + info "Host: $HOST IP: $IP Gateway: $GATEWAY Interface: $VM_NET_DEV MAC: $VM_NET_MAC MTU: $MTU" [ -f /etc/resolv.conf ] && grep '^nameserver*' /etc/resolv.conf echo fi @@ -444,7 +449,7 @@ else fi -NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet0,mac=$VM_NET_MAC,id=net0" +NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet0,mac=$VM_NET_MAC,host_mtu=$MTU,id=net0" html "Initialized network successfully..." return 0