解决R5C和E20C网口顺序错误的问题

解决R5C和E20C网口顺序错误的问题
https://github.com/wukongdaily/AutoBuildImmortalWrt/discussions/336

files/etc/uci-defaults/99-custom.sh

@@ -23,24 +23,44 @@ else
     . "$SETTINGS_FILE"
 fi
 
-# 计算网卡数量
-count=0
+# 1. 先获取所有物理接口列表
 ifnames=""
 for iface in /sys/class/net/*; do
     iface_name=$(basename "$iface")
-    # 检查是否为物理网卡（排除回环设备和无线设备）
     if [ -e "$iface/device" ] && echo "$iface_name" | grep -Eq '^eth|^en'; then
-        count=$((count + 1))
         ifnames="$ifnames $iface_name"
     fi
 done
-# 删除多余空格
 ifnames=$(echo "$ifnames" | awk '{$1=$1};1')
 
-# 网络设置
+count=$(echo "$ifnames" | wc -w)
+echo "Detected physical interfaces: $ifnames" >>$LOGFILE
+echo "Interface count: $count" >>$LOGFILE
+
+# 2. 根据板子型号映射WAN和LAN接口
+board_name=$(cat /tmp/sysinfo/board_name 2>/dev/null || echo "unknown")
+echo "Board detected: $board_name" >>$LOGFILE
+
+wan_ifname=""
+lan_ifnames=""
+# 此处特殊处理个别开发板网口顺序问题
+case "$board_name" in
+    "radxa,e20c"|"friendlyarm,nanopi-r5c")
+        wan_ifname="eth1"
+        lan_ifnames="eth0"
+        echo "Using $board_name mapping: WAN=$wan_ifname LAN=$lan_ifnames" >>"$LOGFILE"
+        ;;
+    *)
+        # 默认第一个接口为WAN，其余为LAN
+        wan_ifname=$(echo "$ifnames" | awk '{print $1}')
+        lan_ifnames=$(echo "$ifnames" | cut -d ' ' -f2-)
+        echo "Using default mapping: WAN=$wan_ifname LAN=$lan_ifnames" >>"$LOGFILE"
+        ;;
+esac
+
+# 3. 配置网络
 if [ "$count" -eq 1 ]; then
-    # 单网口设备 类似于NAS模式 动态获取ip模式 具体ip地址取决于上一级路由器给它分配的ip 也方便后续你使用web页面设置旁路由
-    # 单网口设备 不支持修改ip 不要在此处修改ip 单网口采用dhcp模式 删除默认的192.168.1.1
+    # 单网口设备，DHCP模式
     uci set network.lan.proto='dhcp'
     uci delete network.lan.ipaddr
     uci delete network.lan.netmask
@@ -48,33 +68,31 @@ if [ "$count" -eq 1 ]; then
     uci delete network.lan.dns
     uci commit network
 elif [ "$count" -gt 1 ]; then
-    # 提取第一个接口作为WAN
-    wan_ifname=$(echo "$ifnames" | awk '{print $1}')
-    # 剩余接口保留给LAN
-    lan_ifnames=$(echo "$ifnames" | cut -d ' ' -f2-)
-    # 设置WAN接口基础配置
+    # 多网口设备配置
+    # 配置WAN
     uci set network.wan=interface
-    # 提取第一个接口作为WAN
     uci set network.wan.device="$wan_ifname"
-    # WAN接口默认DHCP
     uci set network.wan.proto='dhcp'
-    # 设置WAN6绑定网口eth0
+
+    # 配置WAN6
     uci set network.wan6=interface
     uci set network.wan6.device="$wan_ifname"
-    # 更新LAN接口成员
-    # 查找对应设备的section名称
+    uci set network.wan6.proto='dhcpv6'
+
+    # 查找 br-lan 设备 section
     section=$(uci show network | awk -F '[.=]' '/\.@?device\[\d+\]\.name=.br-lan.$/ {print $2; exit}')
     if [ -z "$section" ]; then
         echo "error：cannot find device 'br-lan'." >>$LOGFILE
     else
-        # 删除原来的ports列表
+        # 删除原有ports
         uci -q delete "network.$section.ports"
-        # 添加新的ports列表
+        # 添加LAN接口端口
         for port in $lan_ifnames; do
             uci add_list "network.$section.ports"="$port"
         done
-        echo "ports of device 'br-lan' are update." >>$LOGFILE
+        echo "Updated br-lan ports: $lan_ifnames" >>$LOGFILE
     fi
+
     # LAN口设置静态IP
     uci set network.lan.proto='static'
     # 多网口设备 支持修改为别的管理后台地址 在Github Action 的UI上自行输入即可 
@@ -91,23 +109,22 @@ elif [ "$count" -gt 1 ]; then
         echo "default router ip is 192.168.100.1" >> $LOGFILE
     fi
 
-
-    # 判断是否启用 PPPoE
-    echo "print enable_pppoe value=== $enable_pppoe" >>$LOGFILE
+    # PPPoE设置
+    echo "enable_pppoe value: $enable_pppoe" >>$LOGFILE
     if [ "$enable_pppoe" = "yes" ]; then
-        echo "PPPoE is enabled at $(date)" >>$LOGFILE
-        # 设置ipv4宽带拨号信息
+        echo "PPPoE enabled, configuring..." >>$LOGFILE
         uci set network.wan.proto='pppoe'
-        uci set network.wan.username=$pppoe_account
-        uci set network.wan.password=$pppoe_password
+        uci set network.wan.username="$pppoe_account"
+        uci set network.wan.password="$pppoe_password"
         uci set network.wan.peerdns='1'
         uci set network.wan.auto='1'
-        # 设置ipv6 默认不配置协议
         uci set network.wan6.proto='none'
-        echo "PPPoE configuration completed successfully." >>$LOGFILE
+        echo "PPPoE config done." >>$LOGFILE
     else
-        echo "PPPoE is not enabled. Skipping configuration." >>$LOGFILE
+        echo "PPPoE not enabled." >>$LOGFILE
     fi
+
+    uci commit network
 fi
 
 # 若安装了dockerd 则设置docker的防火墙规则