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feat: Allow large MTU sizes (#1042)

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Kroese 2025-10-04 10:35:20 +02:00 committed by GitHub
parent 399829cf3c
commit f2937ab507
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1 changed files with 4 additions and 6 deletions
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src/network.sh
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@ -63,7 +63,7 @@ configureDHCP() {
if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then
if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
warn "Failed to set MTU size.." warn "Failed to set MTU size to $MTU." && MTU="0"
fi fi
fi fi
@ -183,7 +183,9 @@ getUserPorts() {
getHostPorts() { getHostPorts() {
local list="$1" local list="$1"
[ -z "$list" ] && list="$MON_PORT" || list+=",$MON_PORT" [ -z "$list" ] && list="$MON_PORT" || list+=",$MON_PORT"
[ -z "$list" ] && echo "" && return 0
if [[ "$list" != *","* ]]; then if [[ "$list" != *","* ]]; then
echo " ! --dport $list" echo " ! --dport $list"
@ -264,7 +266,7 @@ configureNAT() {
if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then
if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
warn "Failed to set MTU size.." warn "Failed to set MTU size to $MTU." && MTU="0"
fi fi
fi fi
@ -441,10 +443,6 @@ getInfo() {
MTU=$(cat "/sys/class/net/$VM_NET_DEV/mtu") MTU=$(cat "/sys/class/net/$VM_NET_DEV/mtu")
fi fi
if [ "$MTU" -gt "1500" ]; then
info "MTU size is too large: $MTU, ignoring..." && MTU="0"
fi
if [[ "${ADAPTER,,}" != "virtio-net-pci" ]]; then if [[ "${ADAPTER,,}" != "virtio-net-pci" ]]; then
if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then
warn "MTU size is $MTU, but cannot be set for $ADAPTER adapters!" && MTU="0" warn "MTU size is $MTU, but cannot be set for $ADAPTER adapters!" && MTU="0"