diff --git a/src/header/netinet_in/cbindgen.toml b/src/header/netinet_in/cbindgen.toml
index d88dc7f..24fe4bc 100644
--- a/src/header/netinet_in/cbindgen.toml
+++ b/src/header/netinet_in/cbindgen.toml
@@ -113,6 +113,7 @@ include = [
   "ip_mreq_source",
   "group_req",
   "group_source_req",
+  "in6_pktinfo",
 ]
 
 [export.rename]
diff --git a/src/header/netinet_in/mod.rs b/src/header/netinet_in/mod.rs
index 0e4ced5..9a2a913 100644
--- a/src/header/netinet_in/mod.rs
+++ b/src/header/netinet_in/mod.rs
@@ -54,6 +54,34 @@ pub struct ipv6_mreq {
     pub ipv6mr_interface: u32,
 }
 
+/// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/netinet_in.h.html>.
+#[repr(C)]
+pub struct in6_pktinfo {
+    pub ipi6_addr: in6_addr,
+    pub ipi6_ifindex: u32,
+}
+
+impl Clone for in6_pktinfo {
+    fn clone(&self) -> Self {
+        Self {
+            ipi6_addr: in6_addr { s6_addr: self.ipi6_addr.s6_addr },
+            ipi6_ifindex: self.ipi6_ifindex,
+        }
+    }
+}
+
+impl Default for in6_pktinfo {
+    fn default() -> Self {
+        Self {
+            ipi6_addr: in6_addr { s6_addr: [0; 16] },
+            ipi6_ifindex: 0,
+        }
+    }
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn _cbindgen_export_in6_pktinfo(in6_pktinfo: in6_pktinfo) {}
+
 // Address String Lengths
 /// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/netinet_in.h.html>.
 pub const INET_ADDRSTRLEN: c_int = 16;
@@ -106,6 +134,10 @@ pub const IPV6_DROP_MEMBERSHIP: c_int = 21;
 pub const IPV6_LEAVE_GROUP: c_int = 21;
 /// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/netinet_in.h.html>.
 pub const IPV6_V6ONLY: c_int = 26;
+/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man7/ipv6.7.html>.
+pub const IPV6_PKTINFO: c_int = 50;
+/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man7/ipv6.7.html>.
+pub const IPV6_RECVPKTINFO: c_int = 49;
 /// Non-POSIX, see <https://www.man7.org/linux/man-pages/man7/ip.7.html>.
 pub const IP_MULTICAST_IF: c_int = 32;
 /// Non-POSIX, see <https://www.man7.org/linux/man-pages/man7/ip.7.html>.