58 static int mptcp_get_int_option(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_get_int_option()  argument
64 	if (copy_from_sockptr(val, optval, sizeof(*val)))  in mptcp_get_int_option()
125 	sockptr_t optval = KERNEL_SOCKPTR(&val);  in mptcp_sol_socket_intval()  local
130 			      optval, sizeof(val));  in mptcp_sol_socket_intval()
149 	sockptr_t optval = KERNEL_SOCKPTR(&val);  in mptcp_setsockopt_sol_socket_tstamp()  local
155 			      optval, sizeof(val));  in mptcp_setsockopt_sol_socket_tstamp()
173 					   sockptr_t optval,  in mptcp_setsockopt_sol_socket_int()  argument
178 	ret = mptcp_get_int_option(msk, optval, optlen, &val);  in mptcp_setsockopt_sol_socket_int()
207 						    sockptr_t optval,  in mptcp_setsockopt_sol_socket_timestamping()  argument
216 		if (copy_from_sockptr(&timestamping, optval,  in mptcp_setsockopt_sol_socket_timestamping()
222 		if (copy_from_sockptr(&timestamping.flags, optval, sizeof(int)))  in mptcp_setsockopt_sol_socket_timestamping()
249 static int mptcp_setsockopt_sol_socket_linger(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_socket_linger()  argument
261 	if (copy_from_sockptr(&ling, optval, sizeof(ling)))  in mptcp_setsockopt_sol_socket_linger()
291 				       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_sol_socket()  argument
309 		ret = sk_setsockopt(ssk, SOL_SOCKET, optname, optval, optlen);  in mptcp_setsockopt_sol_socket()
335 		return mptcp_setsockopt_sol_socket_int(msk, optname, optval,  in mptcp_setsockopt_sol_socket()
340 								optval, optlen);  in mptcp_setsockopt_sol_socket()
342 		return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);  in mptcp_setsockopt_sol_socket()
352 		return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, optval, optlen);  in mptcp_setsockopt_sol_socket()
388 			       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_v6()  argument
405 		ret = tcp_setsockopt(ssk, SOL_IPV6, optname, optval, optlen);  in mptcp_setsockopt_v6()
582 static int mptcp_setsockopt_sol_tcp_congestion(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_tcp_congestion()  argument
594 	ret = strncpy_from_sockptr(name, optval,  in mptcp_setsockopt_sol_tcp_congestion()
690 				       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_sol_ip_set()  argument
696 	err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);  in mptcp_setsockopt_sol_ip_set()
736 				       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_v4_set_tos()  argument
742 	err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);  in mptcp_setsockopt_v4_set_tos()
764 			       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_v4()  argument
771 		return mptcp_setsockopt_sol_ip_set(msk, optname, optval, optlen);  in mptcp_setsockopt_v4()
773 		return mptcp_setsockopt_v4_set_tos(msk, optname, optval, optlen);  in mptcp_setsockopt_v4()
780 					  sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_first_sf_only()  argument
794 	ret = tcp_setsockopt(ssk, level, optname, optval, optlen);  in mptcp_setsockopt_first_sf_only()
802 				    sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_sol_tcp()  argument
811 		return mptcp_setsockopt_sol_tcp_congestion(msk, optval, optlen);  in mptcp_setsockopt_sol_tcp()
814 		mptcp_setsockopt_first_sf_only(msk, SOL_TCP, optname, optval, optlen);  in mptcp_setsockopt_sol_tcp()
821 						      optval, optlen);  in mptcp_setsockopt_sol_tcp()
824 	ret = mptcp_get_int_option(msk, optval, optlen, &val);  in mptcp_setsockopt_sol_tcp()
871 		     sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt()  argument
879 		return mptcp_setsockopt_sol_socket(msk, optname, optval, optlen);  in mptcp_setsockopt()
894 		return tcp_setsockopt(ssk, level, optname, optval, optlen);  in mptcp_setsockopt()
897 		return mptcp_setsockopt_v4(msk, optname, optval, optlen);  in mptcp_setsockopt()
900 		return mptcp_setsockopt_v6(msk, optname, optval, optlen);  in mptcp_setsockopt()
903 		return mptcp_setsockopt_sol_tcp(msk, optname, optval, optlen);  in mptcp_setsockopt()
909 					  char __user *optval, int __user *optlen)  in mptcp_getsockopt_first_sf_only()  argument
918 		ret = tcp_getsockopt(ssk, level, optname, optval, optlen);  in mptcp_getsockopt_first_sf_only()
928 	ret = tcp_getsockopt(ssk, level, optname, optval, optlen);  in mptcp_getsockopt_first_sf_only()
994 static int mptcp_getsockopt_info(struct mptcp_sock *msk, char __user *optval, int __user *optlen)  in mptcp_getsockopt_info()  argument
1013 	if (copy_to_user(optval, &m_info, len))  in mptcp_getsockopt_info()
1020 				  char __user *optval,  in mptcp_put_subflow_data()  argument
1034 	if (copy_to_user(optval, sfd, copylen))  in mptcp_put_subflow_data()
1041 				  char __user *optval,  in mptcp_get_subflow_data()  argument
1060 	if (copy_from_user(sfd, optval, copylen))  in mptcp_get_subflow_data()
1078 static int mptcp_getsockopt_tcpinfo(struct mptcp_sock *msk, char __user *optval,  in mptcp_getsockopt_tcpinfo()  argument
1088 	len = mptcp_get_subflow_data(&sfd, optval, optlen);  in mptcp_getsockopt_tcpinfo()
1096 	infoptr = optval + sfd.size_subflow_data;  in mptcp_getsockopt_tcpinfo()
1125 	if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))  in mptcp_getsockopt_tcpinfo()
1170 static int mptcp_getsockopt_subflow_addrs(struct mptcp_sock *msk, char __user *optval,  in mptcp_getsockopt_subflow_addrs()  argument
1180 	len = mptcp_get_subflow_data(&sfd, optval, optlen);  in mptcp_getsockopt_subflow_addrs()
1188 	addrptr = optval + sfd.size_subflow_data;  in mptcp_getsockopt_subflow_addrs()
1217 	if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))  in mptcp_getsockopt_subflow_addrs()
1224 			       char __user *optval,  in mptcp_get_full_info()  argument
1239 	if (copy_from_user(mfi, optval, MIN_FULL_INFO_OPTLEN_SIZE))  in mptcp_get_full_info()
1255 			       char __user *optval,  in mptcp_put_full_info()  argument
1263 	if (copy_to_user(optval, mfi, copylen))  in mptcp_put_full_info()
1268 static int mptcp_getsockopt_full_info(struct mptcp_sock *msk, char __user *optval,  in mptcp_getsockopt_full_info()  argument
1278 	len = mptcp_get_full_info(&mfi, optval, optlen);  in mptcp_getsockopt_full_info()
1332 	if (mptcp_put_full_info(&mfi, optval, copylen, optlen))  in mptcp_getsockopt_full_info()
1342 static int mptcp_put_int_option(struct mptcp_sock *msk, char __user *optval,  in mptcp_put_int_option()  argument
1358 		if (copy_to_user(optval, &ucval, 1))  in mptcp_put_int_option()
1364 		if (copy_to_user(optval, &val, len))  in mptcp_put_int_option()
1372 				    char __user *optval, int __user *optlen)  in mptcp_getsockopt_sol_tcp()  argument
1387 						      optval, optlen);  in mptcp_getsockopt_sol_tcp()
1389 		return mptcp_put_int_option(msk, optval, optlen, msk->recvmsg_inq);  in mptcp_getsockopt_sol_tcp()
1391 		return mptcp_put_int_option(msk, optval, optlen, msk->cork);  in mptcp_getsockopt_sol_tcp()
1393 		return mptcp_put_int_option(msk, optval, optlen, msk->nodelay);  in mptcp_getsockopt_sol_tcp()
1395 		return mptcp_put_int_option(msk, optval, optlen,  in mptcp_getsockopt_sol_tcp()
1399 		return mptcp_put_int_option(msk, optval, optlen,  in mptcp_getsockopt_sol_tcp()
1403 		return mptcp_put_int_option(msk, optval, optlen,  in mptcp_getsockopt_sol_tcp()
1407 		return mptcp_put_int_option(msk, optval, optlen, msk->notsent_lowat);  in mptcp_getsockopt_sol_tcp()
1409 		return mptcp_put_int_option(msk, optval, optlen, 1);  in mptcp_getsockopt_sol_tcp()
1415 			       char __user *optval, int __user *optlen)  in mptcp_getsockopt_v4()  argument
1421 		return mptcp_put_int_option(msk, optval, optlen, READ_ONCE(inet_sk(sk)->tos));  in mptcp_getsockopt_v4()
1423 		return mptcp_put_int_option(msk, optval, optlen,  in mptcp_getsockopt_v4()
1426 		return mptcp_put_int_option(msk, optval, optlen,  in mptcp_getsockopt_v4()
1434 				      char __user *optval, int __user *optlen)  in mptcp_getsockopt_sol_mptcp()  argument
1438 		return mptcp_getsockopt_info(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1440 		return mptcp_getsockopt_full_info(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1442 		return mptcp_getsockopt_tcpinfo(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1444 		return mptcp_getsockopt_subflow_addrs(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1451 		     char __user *optval, int __user *option)  in mptcp_getsockopt()  argument
1468 		return tcp_getsockopt(ssk, level, optname, optval, option);  in mptcp_getsockopt()
1471 		return mptcp_getsockopt_v4(msk, optname, optval, option);  in mptcp_getsockopt()
1473 		return mptcp_getsockopt_sol_tcp(msk, optname, optval, option);  in mptcp_getsockopt()
1475 		return mptcp_getsockopt_sol_mptcp(msk, optname, optval, option);  in mptcp_getsockopt()