Add support for e1000 NIC (#6575)

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Robert Castley 2025-08-05 12:45:33 +01:00 committed by GitHub
parent 99837db81a
commit 0863d080a4
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@ -1,6 +1,6 @@
#!/usr/bin/env bash
# Creates a systemd service to disable NIC offloading features for Intel e1000e interfaces
# Creates a systemd service to disable NIC offloading features for Intel e1000e and e1000 interfaces
# Author: rcastley
# License: MIT
@ -19,8 +19,8 @@ INFO="${TAB}${TAB}${CL}"
WARN="${TAB}⚠️${TAB}${CL}"
function header_info {
clear
cat <<"EOF"
clear
cat <<"EOF"
_ ____________ ____ __________ ___ ____ _ __ __
/ | / / _/ ____/ / __ \/ __/ __/ /___ ____ _____/ (_)___ ____ _ / __ \(_)________ _/ /_ / /__ _____
@ -28,6 +28,7 @@ function header_info {
/ /| // // /___ / /_/ / __/ __/ / /_/ / /_/ / /_/ / / / / / /_/ / / /_/ / (__ ) /_/ / /_/ / / __/ /
/_/ |_/___/\____/ \____/_/ /_/ /_/\____/\__,_/\__,_/_/_/ /_/\__, / /_____/_/____/\__,_/_.___/_/\___/_/
/____/
Enhanced version supporting both e1000e and e1000 drivers
EOF
}
@ -52,36 +53,36 @@ if ! command -v ethtool >/dev/null 2>&1; then
msg_ok "ethtool installed successfully"
fi
# Get list of network interfaces using Intel e1000e driver
# Get list of network interfaces using Intel e1000e or e1000 drivers
INTERFACES=()
COUNT=0
msg_info "Searching for Intel e1000e interfaces"
msg_info "Searching for Intel e1000e and e1000 interfaces"
for device in /sys/class/net/*; do
interface="$(basename "$device")" # or adjust the rest of the usages below, as mostly you'll use the path anyway
# Skip loopback interface and virtual interfaces
if [[ "$interface" != "lo" ]] && [[ ! "$interface" =~ ^(tap|fwbr|veth|vmbr|bonding_masters) ]]; then
# Check if the interface uses the e1000e driver
# Check if the interface uses the e1000e or e1000 driver
driver=$(basename $(readlink -f /sys/class/net/$interface/device/driver 2>/dev/null) 2>/dev/null)
if [[ "$driver" == "e1000e" ]]; then
if [[ "$driver" == "e1000e" ]] || [[ "$driver" == "e1000" ]]; then
# Get MAC address for additional identification
mac=$(cat /sys/class/net/$interface/address 2>/dev/null)
INTERFACES+=("$interface" "Intel e1000e NIC ($mac)")
INTERFACES+=("$interface" "Intel $driver NIC ($mac)")
((COUNT++))
fi
fi
done
# Check if any Intel e1000e interfaces were found
# Check if any Intel e1000e/e1000 interfaces were found
if [ ${#INTERFACES[@]} -eq 0 ]; then
whiptail --title "Error" --msgbox "No Intel e1000e network interfaces found!" 10 60
msg_error "No Intel e1000e network interfaces found! Exiting."
whiptail --title "Error" --msgbox "No Intel e1000e or e1000 network interfaces found!" 10 60
msg_error "No Intel e1000e or e1000 network interfaces found! Exiting."
exit 1
fi
msg_ok "Found ${BL}$COUNT${GN} Intel e1000e interfaces"
msg_ok "Found ${BL}$COUNT${GN} Intel e1000e/e1000 interfaces"
# Create a checklist for interface selection with all interfaces initially checked
INTERFACES_CHECKLIST=()
@ -90,9 +91,9 @@ for ((i=0; i<${#INTERFACES[@]}; i+=2)); do
done
# Show interface selection checklist
SELECTED_INTERFACES=$(whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --title "Network Interfaces" \
--separate-output --checklist "Select Intel e1000e network interfaces\n(Space to toggle, Enter to confirm):" 15 80 6 \
"${INTERFACES_CHECKLIST[@]}" 3>&1 1>&2 2>&3)
SELECTED_INTERFACES=$(whiptail --backtitle "Intel e1000e/e1000 NIC Offloading Disabler" --title "Network Interfaces" \
--separate-output --checklist "Select Intel e1000e/e1000 network interfaces\n(Space to toggle, Enter to confirm):" 15 80 6 \
"${INTERFACES_CHECKLIST[@]}" 3>&1 1>&2 2>&3)
exitstatus=$?
if [ $exitstatus != 0 ]; then
@ -112,21 +113,23 @@ readarray -t INTERFACE_ARRAY <<< "$SELECTED_INTERFACES"
# Show the number of selected interfaces
INTERFACE_COUNT=${#INTERFACE_ARRAY[@]}
# Print selected interfaces
# Print selected interfaces with their driver types
for iface in "${INTERFACE_ARRAY[@]}"; do
msg_ok "Selected interface: ${BL}$iface${CL}"
driver=$(basename $(readlink -f /sys/class/net/$iface/device/driver 2>/dev/null) 2>/dev/null)
msg_ok "Selected interface: ${BL}$iface${GN} (${BL}$driver${GN})"
done
# Ask for confirmation with the list of selected interfaces
CONFIRMATION_MSG="You have selected the following interface(s):\n\n"
for iface in "${INTERFACE_ARRAY[@]}"; do
SPEED=$(cat /sys/class/net/$iface/speed 2>/dev/null)
SPEED=$(cat /sys/class/net/$iface/speed 2>/dev/null || echo "Unknown")
MAC=$(cat /sys/class/net/$iface/address 2>/dev/null)
CONFIRMATION_MSG+="- $iface (MAC: $MAC, Speed: ${SPEED}Mbps)\n"
DRIVER=$(basename $(readlink -f /sys/class/net/$iface/device/driver 2>/dev/null) 2>/dev/null)
CONFIRMATION_MSG+="- $iface (Driver: $DRIVER, MAC: $MAC, Speed: ${SPEED}Mbps)\n"
done
CONFIRMATION_MSG+="\nThis will create systemd service(s) to disable offloading features.\n\nProceed?"
if ! whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --title "Confirmation" \
if ! whiptail --backtitle "Intel e1000e/e1000 NIC Offloading Disabler" --title "Confirmation" \
--yesno "$CONFIRMATION_MSG" 20 80; then
msg_info "User canceled. Exiting."
exit 0
@ -134,22 +137,25 @@ fi
# Loop through all selected interfaces and create services for each
for SELECTED_INTERFACE in "${INTERFACE_ARRAY[@]}"; do
# Get the driver type for this specific interface
DRIVER=$(basename $(readlink -f /sys/class/net/$SELECTED_INTERFACE/device/driver 2>/dev/null) 2>/dev/null)
# Create service name for this interface
SERVICE_NAME="disable-nic-offload-$SELECTED_INTERFACE.service"
SERVICE_PATH="/etc/systemd/system/$SERVICE_NAME"
# Create the service file with e1000e specific optimizations
msg_info "Creating systemd service for interface: ${BL}$SELECTED_INTERFACE${YW}"
# Create the service file with driver-specific optimizations
msg_info "Creating systemd service for interface: ${BL}$SELECTED_INTERFACE${YW} (${BL}$DRIVER${YW})"
# Start with the common part of the service file
cat > "$SERVICE_PATH" << EOF
[Unit]
Description=Disable NIC offloading for Intel e1000e interface $SELECTED_INTERFACE
Description=Disable NIC offloading for Intel $DRIVER interface $SELECTED_INTERFACE
After=network.target
[Service]
Type=oneshot
# Disable all offloading features for Intel e1000e
# Disable all offloading features for Intel $DRIVER
ExecStart=/sbin/ethtool -K $SELECTED_INTERFACE gso off gro off tso off tx off rx off rxvlan off txvlan off sg off
RemainAfterExit=true
@ -176,7 +182,7 @@ EOF
# Enable the service to start on boot
systemctl enable "$SERVICE_NAME"
echo "100"; sleep 0.2
} | whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --gauge "Configuring service for $SELECTED_INTERFACE..." 10 80 0
} | whiptail --backtitle "Intel e1000e/e1000 NIC Offloading Disabler" --gauge "Configuring service for $SELECTED_INTERFACE..." 10 80 0
# Individual service status
if systemctl is-active --quiet "$SERVICE_NAME"; then
@ -192,7 +198,7 @@ EOF
fi
# Show individual service results
msg_ok "Service for ${BL}$SELECTED_INTERFACE${GN} created and enabled!"
msg_ok "Service for ${BL}$SELECTED_INTERFACE${GN} (${BL}$DRIVER${GN}) created and enabled!"
msg_info "${TAB}Service: ${BL}$SERVICE_NAME${YW}"
msg_info "${TAB}Status: ${BL}$SERVICE_STATUS${YW}"
msg_info "${TAB}Start on boot: ${BL}$BOOT_STATUS${YW}"
@ -204,6 +210,8 @@ SUMMARY_MSG+="Configured Interfaces:\n"
for iface in "${INTERFACE_ARRAY[@]}"; do
SERVICE_NAME="disable-nic-offload-$iface.service"
DRIVER=$(basename $(readlink -f /sys/class/net/$iface/device/driver 2>/dev/null) 2>/dev/null)
if systemctl is-active --quiet "$SERVICE_NAME"; then
SVC_STATUS="Active"
else
@ -216,12 +224,20 @@ for iface in "${INTERFACE_ARRAY[@]}"; do
BOOT_SVC_STATUS="Disabled"
fi
SUMMARY_MSG+="- $iface: $SVC_STATUS, Boot: $BOOT_SVC_STATUS\n"
SUMMARY_MSG+="- $iface ($DRIVER): $SVC_STATUS, Boot: $BOOT_SVC_STATUS\n"
done
# Show summary results
whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --title "Success" --msgbox "$SUMMARY_MSG" 20 80
whiptail --backtitle "Intel e1000e/e1000 NIC Offloading Disabler" --title "Success" --msgbox "$SUMMARY_MSG" 22 80
msg_ok "Intel e1000e optimization complete for ${#INTERFACE_ARRAY[@]} interface(s)!"
msg_ok "Intel e1000e/e1000 optimization complete for ${#INTERFACE_ARRAY[@]} interface(s)!"
# Show verification commands
echo ""
msg_info "Verification commands:"
for iface in "${INTERFACE_ARRAY[@]}"; do
echo -e "${TAB}${BL}ethtool -k $iface${CL} ${YW}# Check offloading status${CL}"
echo -e "${TAB}${BL}systemctl status disable-nic-offload-$iface.service${CL} ${YW}# Check service status${CL}"
done
exit 0