Add 'add' command to etherip-client for device configuration

cmd/add.go

@@ -0,0 +1,38 @@
+/*
+Copyright © 2026 Masato Kikuchi <m-kikuchi@neody.ad.jp>
+*/
+package cmd
+
+import (
+	"net"
+
+	"git.neody.ad.jp/tuna2134/etherip-client/utils"
+	"github.com/spf13/cobra"
+)
+
+var addDevName string
+var addLocalIP net.IP
+var addRemoteIP net.IP
+var addLinkName string
+
+var addCmd = &cobra.Command{
+	Use:   "add",
+	Short: "Ethernet over IPv6(RFC3378)カーネルのクライアント",
+	RunE: runE,
+}
+
+func runE(cmd *cobra.Command, args []string) error {
+	err := utils.AddDev(addDevName, addLocalIP, addRemoteIP, addLinkName)
+	return err
+}
+
+func init() {
+	addCmd.Flags().StringVarP(&addDevName, "devname", "d", "eip0", "作成するNICの名")
+	addCmd.Flags().IPVarP(&addLocalIP, "local", "l", nil, "自分の終端アドレス")
+	addCmd.Flags().IPVarP(&addRemoteIP, "remote", "r", nil, "相手の終端アドレス")
+	addCmd.Flags().StringVarP(&addLinkName, "link", "L", "", "アンダーレイのNIC名")
+
+	rootCmd.AddCommand(addCmd)
+}
+
+