Fabio/qemu-arm
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix: Display MTU value

Browse source
This commit is contained in:
Kroese 2025-03-04 15:18:01 +01:00 committed by GitHub
parent 75085faeaf
commit 861ac395cc
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 22 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
src/network.sh
View file

@ -59,7 +59,7 @@ configureDHCP() {
fi ;;
esac
if [ -n "$MTU" ] && [[ "$MTU" != "0" ]] && [ "$MTU" -lt "1500" ]; then
if [ -n "$MTU" ] && [[ "$MTU" != "0" ]] && [[ "$MTU" != "1500" ]]; then
if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
warn "Failed to set MTU size.."
fi
@ -228,7 +228,7 @@ configureNAT() {
error "$tuntap" && return 1
fi
if [ -n "$MTU" ] && [[ "$MTU" != "0" ]] && [ "$MTU" -lt "1500" ]; then
if [ -n "$MTU" ] && [[ "$MTU" != "0" ]] && [[ "$MTU" != "1500" ]]; then
if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
warn "Failed to set MTU size.."
fi
@ -365,6 +365,22 @@ getInfo() {
MTU=$(cat "/sys/class/net/$VM_NET_DEV/mtu")
fi
if [ "$MTU" -gt "1500" ]; then
info "MTU size is too large: $MTU, ignoring..." && MTU="0"
fi
if [[ "${ADAPTER,,}" != "virtio-net-pci" ]]; then
if [[ "$MTU" != "0" ]] && [[ "$MTU" != "1500" ]]; then
warn "MTU size is $MTU, but cannot be set for $ADAPTER adapters!" && MTU="0"
fi
fi
if [[ "${BOOT_MODE:-}" == "windows_legacy" ]]; then
if [[ "$MTU" != "0" ]] && [[ "$MTU" != "1500" ]]; then
warn "MTU size is $MTU, but cannot be set for legacy Windows versions!" && MTU="0"
fi
fi
if [ -z "$MAC" ]; then
local file="$STORAGE/$PROCESS.mac"
[ -s "$file" ] && MAC=$(<"$file")
@ -393,27 +409,6 @@ getInfo() {
return 0
}
setMTU() {
[ -z "$MTU" ] && return 0
[[ "$MTU" == "0" ]] && return 0
[[ "$MTU" == "1500" ]] && return 0
if [[ "${ADAPTER,,}" != "virtio-net-pci" ]]; then
warn "MTU size is $MTU, but cannot be set for $ADAPTER adapters!" && return 0
fi
if [[ "${BOOT_MODE:-}" == "windows_legacy" ]]; then
warn "MTU size is $MTU, but cannot be set for legacy Windows versions!" && return 0
fi
if [ "$MTU" -gt "1500" ]; then
info "MTU size is too large: $MTU, ignoring..." && return 0
fi
NET_OPTS+=",host_mtu=$MTU"
}
# ######################################
# Configure Network
# ######################################
@ -427,8 +422,9 @@ getInfo
html "Initializing network..."
if [[ "$DEBUG" == [Yy1]* ]]; then
line="Host: $HOST IP: $IP Gateway: $GATEWAY Interface: $VM_NET_DEV MAC: $VM_NET_MAC"
[ -n "$MTU" ] && [[ "$MTU" != "0" ]] && [[ "$MTU" != "1500" ]] && line+=" MTU: $MTU"
mtu=$(cat "/sys/class/net/$VM_NET_DEV/mtu")
line="Host: $HOST IP: $IP Gateway: $GATEWAY Interface: $VM_NET_DEV MAC: $VM_NET_MAC MTU: $mtu"
[[ "$MTU" != "0" ]] && [[ "$MTU" != "$mtu" ]] && line+=" ($MTU)"
info "$line"
[ -f /etc/resolv.conf ] && grep '^nameserver*' /etc/resolv.conf
echo
@ -484,7 +480,7 @@ else
fi
NET_OPTS+=" -device $ADAPTER,id=net0,netdev=hostnet0,romfile=,mac=$VM_NET_MAC"
setMTU
[[ "$MTU" != "0" ]] && NET_OPTS+=",host_mtu=$MTU"
html "Initialized network successfully..."
return 0