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Add MTU modification ability

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First test: modification of MTU from toolkit
This commit is contained in:
Cameron Thompson
2024-12-06 20:56:09 -05:00
parent c0cc14bfcb
commit 075046300b
1 changed files with 79 additions and 10 deletions
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89
rcPCIe_SDXPINN_toolkit.sh
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@@ -177,6 +177,69 @@ ttl_setup() {
done
}
mtu_setup() {
local mtu_file="/etc/firewall.user.mtu"
local lan_utils_script="/etc/data/lanUtils.sh"
local combine_function="util_combine_iptable_rules"
overlay_check || return
while true; do
# Ensure the MTU configuration file exists
if [ ! -f "$mtu_file" ]; then
echo "Creating $mtu_file..."
touch "$mtu_file"
echo "Modifying $combine_function in $lan_utils_script..."
# Backup the original script
cp "$lan_utils_script" "${lan_utils_script}.bak"
# Add the local mtu_firewall_file line if it's not already present
if ! grep -q "local mtu_firewall_file" "$lan_utils_script"; then
sed -i '/local tcpmss_firewall_filev6/a \ local mtu_firewall_file=/etc/firewall.user.mtu' "$lan_utils_script"
fi
# Add the condition to include the mtu_firewall_file if it's not already present
if ! grep -q "if \[ -f \"\$mtu_firewall_file\" \]; then" "$lan_utils_script"; then
sed -i '/if \[ -f "\$ttl_firewall_file" \]; then/i \ if [ -f "\$mtu_firewall_file" ]; then\n cat \$mtu_firewall_file >> \$firewall_file\n fi' "$lan_utils_script"
fi
fi
# Display the current MTU override, if set
if [ ! -s "$mtu_file" ]; then
echo -e "\e[31mMTU override is not set. Default MTU is applied at boot.\e[0m"
else
current_mtu=$(grep 'ip link set' "$mtu_file" | awk '{print $5}')
echo -e "\e[32mCurrent MTU override: $current_mtu\e[0m"
fi
# Prompt user for actions
echo -e "\e[32mWould you like to edit the MTU override?\e[0m"
echo -e "\e[33mType a new MTU value, exit, or 0 to disable the override:\e[0m" && read -r response
if [ "$response" = "exit" ]; then
echo "Exiting..."
break
elif [ "$response" = "0" ]; then
echo "Disabling MTU override and clearing the file..."
> "$mtu_file"
elif [[ "$response" =~ ^[0-9]+$ ]]; then
echo "Setting MTU override to $response..."
# Write the dynamic MTU script to the configuration file
{
echo "for iface in \$(ls /sys/class/net | grep '^rmnet_data'); do"
echo " ip link set \$iface mtu $response"
echo "done"
} > "$mtu_file"
else
echo "Invalid input. Please enter a number, 'exit', or '0'."
fi
done
}
set_root_passwd() {
passwd
}
@@ -312,11 +375,12 @@ while true; do
echo -e "\e[96m1) Send AT Commands\e[0m" # Cyan
echo -e "\e[92m2) Install sdxpinn-mount-fix/run me after a flash!\e[0m" # Green
echo -e "\e[94m3) TTL Setup\e[0m" # Light Blue
echo -e "\e[94m4) Install Basic Packages/enable luci/add iamromulan's feed to opkg(\e[0m" # Light Blue
echo -e "\e[94m5) Set root password\e[0m" # Light Blue
echo -e "\e[94m6) Tailscale Management\e[0m" # Light Blue
echo -e "\e[92m7) Install Speedtest.net CLI app (speedtest command)\e[0m" # Light Green
echo -e "\e[93m8) Exit\e[0m" # Yellow (repeated color for exit option)
echo -e "\e[92m4) MTU Setup\e[0m" # Light Green
echo -e "\e[94m5) Install Basic Packages/enable luci/add iamromulan's feed to opkg(\e[0m" # Light Blue
echo -e "\e[94m6) Set root password\e[0m" # Light Blue
echo -e "\e[94m7) Tailscale Management\e[0m" # Light Blue
echo -e "\e[92m8) Install Speedtest.net CLI app (speedtest command)\e[0m" # Light Green
echo -e "\e[93m9) Exit\e[0m" # Yellow (repeated color for exit option)
read -p "Enter your choice: " choice
case $choice in
@@ -327,19 +391,24 @@ while true; do
if [ $? -eq 1 ]; then continue; fi
ttl_setup
;;
4)
4)
overlay_check
if [ $? -eq 1 ]; then continue; fi
mtu_setup
;;
5)
overlay_check
if [ $? -eq 1 ]; then continue; fi
basic_55x_setup
;;
5)
6)
overlay_check
if [ $? -eq 1 ]; then continue; fi
set_root_passwd
;;
6) tailscale_menu ;;
7)
7) tailscale_menu ;;
8)
overlay_check
if [ $? -eq 1 ]; then continue; fi
echo -e "\e[1;32mInstalling Speedtest.net CLI (speedtest command)\e[0m"
@@ -352,7 +421,7 @@ while true; do
echo -e "\e[1;32mNormally only an issue in adb, ttyd, and ssh you are forced to login\e[0m"
echo -e "\e[1;32mIf in adb just type login and then try to run the speedtest command\e[0m"
;;
8) echo -e "\e[1;32mGoodbye!\e[0m"; break ;;
9) echo -e "\e[1;32mGoodbye!\e[0m"; break ;;
*) echo -e "\e[1;31mInvalid option\e[0m" ;;
esac
done