20 /* Fill 'tuple' with L3 info, and attempt to find L4. On fail, return NULL. */
61 	struct bpf_sock_tuple *tuple;  in sk_lookup_success()  local
69 	tuple = get_tuple(data, sizeof(*eth), data_end, eth->h_proto, &ipv4);  in sk_lookup_success()
70 	if (!tuple || tuple + sizeof *tuple > data_end)  in sk_lookup_success()
73 	tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);  in sk_lookup_success()
74 	sk = bpf_sk_lookup_tcp(skb, tuple, tuple_len, BPF_F_CURRENT_NETNS, 0);  in sk_lookup_success()
84 	struct bpf_sock_tuple tuple = {};  in sk_lookup_success_simple()  local
87 	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in sk_lookup_success_simple()
96 	struct bpf_sock_tuple tuple = {};  in err_use_after_free()  local
100 	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in err_use_after_free()
111 	struct bpf_sock_tuple tuple = {};  in err_modify_sk_pointer()  local
114 	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in err_modify_sk_pointer()
125 	struct bpf_sock_tuple tuple = {};  in err_modify_sk_or_null_pointer()  local
128 	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in err_modify_sk_or_null_pointer()
138 	struct bpf_sock_tuple tuple = {};  in err_no_release()  local
140 	bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in err_no_release()
147 	struct bpf_sock_tuple tuple = {};  in err_release_twice()  local
150 	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in err_release_twice()
159 	struct bpf_sock_tuple tuple = {};  in err_release_unchecked()  local
162 	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in err_release_unchecked()
169 	struct bpf_sock_tuple tuple = {};  in lookup_no_release()  local
170 	bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);  in lookup_no_release()