474 	struct bpf_sock_ops_kern sock_ops;  in bpf_skops_hdr_opt_len()  local
485 	memset(&sock_ops, 0, offsetof(struct bpf_sock_ops_kern, temp));  in bpf_skops_hdr_opt_len()
487 	sock_ops.op = BPF_SOCK_OPS_HDR_OPT_LEN_CB;  in bpf_skops_hdr_opt_len()
503 		sock_ops.sk = (struct sock *)req;  in bpf_skops_hdr_opt_len()
504 		sock_ops.syn_skb = syn_skb;  in bpf_skops_hdr_opt_len()
508 		sock_ops.is_fullsock = 1;  in bpf_skops_hdr_opt_len()
509 		sock_ops.sk = sk;  in bpf_skops_hdr_opt_len()
512 	sock_ops.args[0] = bpf_skops_write_hdr_opt_arg0(skb, synack_type);  in bpf_skops_hdr_opt_len()
513 	sock_ops.remaining_opt_len = *remaining;  in bpf_skops_hdr_opt_len()
516 		bpf_skops_init_skb(&sock_ops, skb, 0);  in bpf_skops_hdr_opt_len()
518 	err = BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(&sock_ops, sk);  in bpf_skops_hdr_opt_len()
520 	if (err || sock_ops.remaining_opt_len == *remaining)  in bpf_skops_hdr_opt_len()
523 	opts->bpf_opt_len = *remaining - sock_ops.remaining_opt_len;  in bpf_skops_hdr_opt_len()
537 	struct bpf_sock_ops_kern sock_ops;  in bpf_skops_write_hdr_opt()  local
543 	memset(&sock_ops, 0, offsetof(struct bpf_sock_ops_kern, temp));  in bpf_skops_write_hdr_opt()
545 	sock_ops.op = BPF_SOCK_OPS_WRITE_HDR_OPT_CB;  in bpf_skops_write_hdr_opt()
548 		sock_ops.sk = (struct sock *)req;  in bpf_skops_write_hdr_opt()
549 		sock_ops.syn_skb = syn_skb;  in bpf_skops_write_hdr_opt()
553 		sock_ops.is_fullsock = 1;  in bpf_skops_write_hdr_opt()
554 		sock_ops.sk = sk;  in bpf_skops_write_hdr_opt()
557 	sock_ops.args[0] = bpf_skops_write_hdr_opt_arg0(skb, synack_type);  in bpf_skops_write_hdr_opt()
558 	sock_ops.remaining_opt_len = max_opt_len;  in bpf_skops_write_hdr_opt()
560 	bpf_skops_init_skb(&sock_ops, skb, first_opt_off);  in bpf_skops_write_hdr_opt()
562 	err = BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(&sock_ops, sk);  in bpf_skops_write_hdr_opt()
567 		nr_written = max_opt_len - sock_ops.remaining_opt_len;  in bpf_skops_write_hdr_opt()