From 18e1eeea806c552911332ef2b339c740f2c103d0 Mon Sep 17 00:00:00 2001
From: mzz2017 <2017@duck.com>
Date: Wed, 1 Feb 2023 10:24:11 +0800
Subject: [PATCH] fix: problem that cannot proxy lan_interface

---
 README.md                          | 1 +
 component/control/bpf_utils.go     | 2 +-
 component/control/control_plane.go | 4 ++--
 component/control/kern/tproxy.c    | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index d17113a..fc68971 100644
--- a/README.md
+++ b/README.md
@@ -53,4 +53,5 @@ See [example.dae](https://github.com/v2rayA/dae/blob/main/example.dae).
 1. Handle the case that nodes do not support UDP.
 1. L4Checksum problem.
 1. Config support list like: `wan_interface: [wlp5s0, eth0]`.
+1. MACv2 extension extraction.
 1. ...
diff --git a/component/control/bpf_utils.go b/component/control/bpf_utils.go
index e052944..947ce7f 100644
--- a/component/control/bpf_utils.go
+++ b/component/control/bpf_utils.go
@@ -104,7 +104,7 @@ type bpfObjectsLan struct {
 	bpfMaps
 }
 
-func AssignBpfPrograms(to *bpfObjects, from interface{}) {
+func AssignBpfObjects(to *bpfObjects, from interface{}) {
 	vTo := reflect.Indirect(reflect.ValueOf(to))
 	vFrom := reflect.Indirect(reflect.ValueOf(from))
 	tFrom := vFrom.Type()
diff --git a/component/control/control_plane.go b/component/control/control_plane.go
index 2995343..c29a1b7 100644
--- a/component/control/control_plane.go
+++ b/component/control/control_plane.go
@@ -125,7 +125,7 @@ retryLoadBpf:
 	}
 	if kernelVersion.Less(consts.FtraceFeatureVersion) {
 		// Reverse takeover.
-		AssignBpfPrograms(&bpf, &bpfLan)
+		AssignBpfObjects(&bpf, &bpfLan)
 	}
 
 	// Write params.
@@ -581,7 +581,7 @@ func (c *ControlPlane) ListenAndServe(port uint16) (err error) {
 	go func() {
 		defer cancel()
 		for {
-			var buf [65536]byte
+			var buf [65535]byte
 			n, lAddrPort, err := lConn.ReadFromUDPAddrPort(buf[:])
 			if err != nil {
 				if !strings.Contains(err.Error(), "use of closed network connection") {
diff --git a/component/control/kern/tproxy.c b/component/control/kern/tproxy.c
index 42546ff..4dd74a4 100644
--- a/component/control/kern/tproxy.c
+++ b/component/control/kern/tproxy.c
@@ -566,7 +566,7 @@ static __always_inline int get_tproxy_ip(__u8 ipversion, __u32 ifindex,
   return 0;
 }
 
-static __always_inline int ip_is_host(bool ipversion, __u32 ifindex,
+static __always_inline int ip_is_host(__u8 ipversion, __u32 ifindex,
                                       __be32 ip[4], __be32 tproxy_ip[4]) {
   if (tproxy_ip) {
     int ret;