__bpf_skc_lookup
struct sock *sk = __bpf_skc_lookup(skb, tuple, len, caller_net,
return __bpf_skc_lookup(skb, tuple, len, caller_net, ifindex, proto,
return (unsigned long)__bpf_skc_lookup(skb, tuple, len, caller_net,
return (unsigned long)__bpf_skc_lookup(NULL, tuple, len, caller_net,
return (unsigned long)__bpf_skc_lookup(NULL, tuple, len,