121 	struct mptcp_options_received mp_opt;  in subflow_init_req()  local
130 	mptcp_get_options(skb, &mp_opt);  in subflow_init_req()
132 	if (mp_opt.mp_capable) {  in subflow_init_req()
135 		if (mp_opt.mp_join)  in subflow_init_req()
137 	} else if (mp_opt.mp_join) {  in subflow_init_req()
141 	if (mp_opt.mp_capable && listener->request_mptcp) {  in subflow_init_req()
169 	} else if (mp_opt.mp_join && listener->request_mptcp) {  in subflow_init_req()
172 		subflow_req->backup = mp_opt.backup;  in subflow_init_req()
173 		subflow_req->remote_id = mp_opt.join_id;  in subflow_init_req()
174 		subflow_req->token = mp_opt.token;  in subflow_init_req()
175 		subflow_req->remote_nonce = mp_opt.nonce;  in subflow_init_req()
194 	struct mptcp_options_received mp_opt;  in mptcp_subflow_init_cookie_req()  local
201 	mptcp_get_options(skb, &mp_opt);  in mptcp_subflow_init_cookie_req()
203 	if (mp_opt.mp_capable && mp_opt.mp_join)  in mptcp_subflow_init_cookie_req()
206 	if (mp_opt.mp_capable && listener->request_mptcp) {  in mptcp_subflow_init_cookie_req()
207 		if (mp_opt.sndr_key == 0)  in mptcp_subflow_init_cookie_req()
210 		subflow_req->local_key = mp_opt.rcvr_key;  in mptcp_subflow_init_cookie_req()
217 	} else if (mp_opt.mp_join && listener->request_mptcp) {  in mptcp_subflow_init_cookie_req()
290 	struct mptcp_options_received mp_opt;  in subflow_finish_connect()  local
309 	mptcp_get_options(skb, &mp_opt);  in subflow_finish_connect()
311 		if (!mp_opt.mp_capable) {  in subflow_finish_connect()
321 		subflow->remote_key = mp_opt.sndr_key;  in subflow_finish_connect()
328 		if (!mp_opt.mp_join)  in subflow_finish_connect()
331 		subflow->thmac = mp_opt.thmac;  in subflow_finish_connect()
332 		subflow->remote_nonce = mp_opt.nonce;  in subflow_finish_connect()
417 			       const struct mptcp_options_received *mp_opt)  in subflow_hmac_valid()  argument
432 	return !crypto_memneq(hmac, mp_opt->hmac, MPTCPOPT_HMAC_LEN);  in subflow_hmac_valid()
490 				     struct mptcp_options_received *mp_opt)  in mptcp_subflow_fully_established()  argument
494 	subflow->remote_key = mp_opt->sndr_key;  in mptcp_subflow_fully_established()
509 	struct mptcp_options_received mp_opt;  in subflow_syn_recv_sock()  local
519 	mp_opt.mp_capable = 0;  in subflow_syn_recv_sock()
538 		mptcp_get_options(skb, &mp_opt);  in subflow_syn_recv_sock()
539 		if (!mp_opt.mp_capable) {  in subflow_syn_recv_sock()
544 		new_msk = mptcp_sk_clone(listener->conn, &mp_opt, req);  in subflow_syn_recv_sock()
548 		mptcp_get_options(skb, &mp_opt);  in subflow_syn_recv_sock()
549 		if (!mp_opt.mp_join || !subflow_hmac_valid(req, &mp_opt) ||  in subflow_syn_recv_sock()
595 			if (mp_opt.mp_capable)  in subflow_syn_recv_sock()
596 				mptcp_subflow_fully_established(ctx, &mp_opt);  in subflow_syn_recv_sock()