From 7efc61cbe41429c44151d4a3a7d1c9c89a23ecf9 Mon Sep 17 00:00:00 2001
From: spiritlhl <103393591+spiritLHLS@users.noreply.github.com>
Date: Sat, 5 Apr 2025 03:24:04 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=B0=9D=E8=AF=95=E6=B7=BB=E5=8A=A0IPV?=
 =?UTF-8?q?6=E8=B7=AF=E7=94=B1=E8=BF=BD=E8=B8=AA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 bk/{trace.go => trace_ipv4.go} |  0
 bk/trace_ipv6.go               | 30 ++++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 rename bk/{trace.go => trace_ipv4.go} (100%)
 create mode 100644 bk/trace_ipv6.go

diff --git a/bk/trace.go b/bk/trace_ipv4.go
similarity index 100%
rename from bk/trace.go
rename to bk/trace_ipv4.go
diff --git a/bk/trace_ipv6.go b/bk/trace_ipv6.go
new file mode 100644
index 0000000..0253cf9
--- /dev/null
+++ b/bk/trace_ipv6.go
@@ -0,0 +1,30 @@
+package bk
+
+import (
+	"net"
+
+	"golang.org/x/net/icmp"
+	"golang.org/x/net/ipv6"
+)
+
+func newPacketV6(id uint16, dst net.IP, ttl int) []byte {
+	msg := icmp.Message{
+		Type: ipv6.ICMPTypeEchoRequest,
+		Body: &icmp.Echo{
+			ID:  int(id),
+			Seq: int(id),
+		},
+	}
+	p, _ := msg.Marshal(nil)
+	ip := &ipv6.Header{
+		Version:    ipv6.Version,
+		NextHeader: ProtocolIPv6ICMP,
+		HopLimit:   ttl,
+		Dst:        dst,
+	}
+	buf, err := ip.Marshal()
+	if err != nil {
+		return nil
+	}
+	return append(buf, p...)
+}