skip ebpf program

bpf/mb_bind.c

@@ -23,6 +23,8 @@ limitations under the License.
 // 0.0.0.0:4140
 __section("cgroup/bind4") int mb_bind(struct bpf_sock_addr *ctx)
 {
+    debugf("cgroup/bind4 entry");
+    return 1;
 #if MESH != LINKERD
     // only works on linkerd
     return 1;

bpf/mb_connect.c

@@ -264,6 +264,9 @@ static inline int tcp4_connect(struct bpf_sock_addr *ctx)
 
 __section("cgroup/connect4") int mb_sock4_connect(struct bpf_sock_addr *ctx)
 {
+    debugf("cgroup/connect4 entry");
+    return 1;
+
     switch (ctx->protocol) {
     case IPPROTO_TCP:
         return tcp4_connect(ctx);

bpf/mb_get_sockopts.c

@@ -23,6 +23,9 @@ limitations under the License.
 
 __section("cgroup/getsockopt") int mb_get_sockopt(struct bpf_sockopt *ctx)
 {
+    debugf("cgroup/getsockopt entry");
+    return 1;
+
     // currently, eBPF can not deal with optlen more than 4096 bytes, so, we
     // should limit this.
     if (ctx->optlen > MAX_OPS_BUFF_LENGTH) {

bpf/mb_recvmsg.c

@@ -21,6 +21,9 @@ limitations under the License.
 
 __section("cgroup/recvmsg4") int mb_recvmsg4(struct bpf_sock_addr *ctx)
 {
+    debugf("cgroup/recvmsg4 entry");
+    return 1;
+
 #if MESH != ISTIO
     // only works on istio
     return 1;

bpf/mb_redir.c

@@ -20,6 +20,9 @@ limitations under the License.
 
 __section("sk_msg") int mb_msg_redir(struct sk_msg_md *msg)
 {
+    debugf("sk_msg entry");
+    return 1;
+
     struct pair p = {
         .dip = msg->local_ip4,
         .dport = bpf_htons(msg->local_port),

bpf/mb_sendmsg.c

@@ -21,6 +21,9 @@ limitations under the License.
 
 __section("cgroup/sendmsg4") int mb_sendmsg4(struct bpf_sock_addr *ctx)
 {
+    debugf("cgroup/sendmsg4 entry");
+    return 1;
+
 #if MESH != ISTIO
     // only works on istio
     return 1;

bpf/mb_sockops.c

@@ -70,6 +70,9 @@ static inline int sockops_ipv4(struct bpf_sock_ops *skops)
 
 __section("sockops") int mb_sockops(struct bpf_sock_ops *skops)
 {
+    debugf("sockops entry");
+    return 1;
+
     __u32 family, op;
     family = skops->family;
     op = skops->op;

bpf/mb_xdp.c

@@ -50,6 +50,9 @@ static __always_inline __u16 csum_diff4(__u32 from, __u32 to, __u16 csum)
 
 __section("xdp") int mb_xdp(struct xdp_md *ctx)
 {
+    debugf("xdp entry");
+    return XDP_PASS;
+
     void *data = (void *)(long)ctx->data;
     void *data_end = (void *)(long)ctx->data_end;
     struct ethhdr *eth = (struct ethhdr *)data;