57 static int mptcp_get_int_option(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_get_int_option()  argument
63 	if (copy_from_sockptr(val, optval, sizeof(*val)))  in mptcp_get_int_option()
123 	sockptr_t optval = KERNEL_SOCKPTR(&val);  in mptcp_sol_socket_intval()  local
128 			      optval, sizeof(val));  in mptcp_sol_socket_intval()
147 	sockptr_t optval = KERNEL_SOCKPTR(&val);  in mptcp_setsockopt_sol_socket_tstamp()  local
153 			      optval, sizeof(val));  in mptcp_setsockopt_sol_socket_tstamp()
171 					   sockptr_t optval,  in mptcp_setsockopt_sol_socket_int()  argument
176 	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 = sock_setsockopt(ssock, 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()
387 			       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_v6()  argument
404 		ret = tcp_setsockopt(ssock->sk, SOL_IPV6, optname, optval, optlen);  in mptcp_setsockopt_v6()
578 static int mptcp_setsockopt_sol_tcp_congestion(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_tcp_congestion()  argument
590 	ret = strncpy_from_sockptr(name, optval,  in mptcp_setsockopt_sol_tcp_congestion()
621 static int mptcp_setsockopt_sol_tcp_cork(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_tcp_cork()  argument
631 	if (copy_from_sockptr(&val, optval, sizeof(val)))  in mptcp_setsockopt_sol_tcp_cork()
651 static int mptcp_setsockopt_sol_tcp_nodelay(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_tcp_nodelay()  argument
661 	if (copy_from_sockptr(&val, optval, sizeof(val)))  in mptcp_setsockopt_sol_tcp_nodelay()
682 						   sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_sol_ip_set_transparent()  argument
689 	err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);  in mptcp_setsockopt_sol_ip_set_transparent()
722 				       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_v4_set_tos()  argument
728 	err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);  in mptcp_setsockopt_v4_set_tos()
747 			       sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_v4()  argument
752 		return mptcp_setsockopt_sol_ip_set_transparent(msk, optname, optval, optlen);  in mptcp_setsockopt_v4()
754 		return mptcp_setsockopt_v4_set_tos(msk, optname, optval, optlen);  in mptcp_setsockopt_v4()
760 static int mptcp_setsockopt_sol_tcp_defer(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_tcp_defer()  argument
769 	return tcp_setsockopt(listener->sk, SOL_TCP, TCP_DEFER_ACCEPT, optval, optlen);  in mptcp_setsockopt_sol_tcp_defer()
772 static int mptcp_setsockopt_sol_tcp_fastopen_connect(struct mptcp_sock *msk, sockptr_t optval,  in mptcp_setsockopt_sol_tcp_fastopen_connect()  argument
782 	return tcp_setsockopt(sock->sk, SOL_TCP, TCP_FASTOPEN_CONNECT, optval, optlen);  in mptcp_setsockopt_sol_tcp_fastopen_connect()
786 				    sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt_sol_tcp()  argument
793 		ret = mptcp_get_int_option(msk, optval, optlen, &val);  in mptcp_setsockopt_sol_tcp()
806 		return mptcp_setsockopt_sol_tcp_congestion(msk, optval, optlen);  in mptcp_setsockopt_sol_tcp()
808 		return mptcp_setsockopt_sol_tcp_cork(msk, optval, optlen);  in mptcp_setsockopt_sol_tcp()
810 		return mptcp_setsockopt_sol_tcp_nodelay(msk, optval, optlen);  in mptcp_setsockopt_sol_tcp()
812 		return mptcp_setsockopt_sol_tcp_defer(msk, optval, optlen);  in mptcp_setsockopt_sol_tcp()
814 		return mptcp_setsockopt_sol_tcp_fastopen_connect(msk, optval, optlen);  in mptcp_setsockopt_sol_tcp()
821 		     sockptr_t optval, unsigned int optlen)  in mptcp_setsockopt()  argument
829 		return mptcp_setsockopt_sol_socket(msk, optname, optval, optlen);  in mptcp_setsockopt()
844 		return tcp_setsockopt(ssk, level, optname, optval, optlen);  in mptcp_setsockopt()
847 		return mptcp_setsockopt_v4(msk, optname, optval, optlen);  in mptcp_setsockopt()
850 		return mptcp_setsockopt_v6(msk, optname, optval, optlen);  in mptcp_setsockopt()
853 		return mptcp_setsockopt_sol_tcp(msk, optname, optval, optlen);  in mptcp_setsockopt()
859 					  char __user *optval, int __user *optlen)  in mptcp_getsockopt_first_sf_only()  argument
869 		ret = tcp_getsockopt(ssk, level, optname, optval, optlen);  in mptcp_getsockopt_first_sf_only()
877 	ret = tcp_getsockopt(ssock->sk, level, optname, optval, optlen);  in mptcp_getsockopt_first_sf_only()
914 static int mptcp_getsockopt_info(struct mptcp_sock *msk, char __user *optval, int __user *optlen)  in mptcp_getsockopt_info()  argument
929 	if (copy_to_user(optval, &m_info, len))  in mptcp_getsockopt_info()
936 				  char __user *optval,  in mptcp_put_subflow_data()  argument
950 	if (copy_to_user(optval, sfd, copylen))  in mptcp_put_subflow_data()
957 				  char __user *optval, int __user *optlen)  in mptcp_get_subflow_data()  argument
975 	if (copy_from_user(sfd, optval, copylen))  in mptcp_get_subflow_data()
993 static int mptcp_getsockopt_tcpinfo(struct mptcp_sock *msk, char __user *optval,  in mptcp_getsockopt_tcpinfo()  argument
1003 	len = mptcp_get_subflow_data(&sfd, optval, optlen);  in mptcp_getsockopt_tcpinfo()
1011 	infoptr = optval + sfd.size_subflow_data;  in mptcp_getsockopt_tcpinfo()
1040 	if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))  in mptcp_getsockopt_tcpinfo()
1085 static int mptcp_getsockopt_subflow_addrs(struct mptcp_sock *msk, char __user *optval,  in mptcp_getsockopt_subflow_addrs()  argument
1095 	len = mptcp_get_subflow_data(&sfd, optval, optlen);  in mptcp_getsockopt_subflow_addrs()
1103 	addrptr = optval + sfd.size_subflow_data;  in mptcp_getsockopt_subflow_addrs()
1132 	if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))  in mptcp_getsockopt_subflow_addrs()
1138 static int mptcp_put_int_option(struct mptcp_sock *msk, char __user *optval,  in mptcp_put_int_option()  argument
1154 		if (copy_to_user(optval, &ucval, 1))  in mptcp_put_int_option()
1160 		if (copy_to_user(optval, &val, len))  in mptcp_put_int_option()
1168 				    char __user *optval, int __user *optlen)  in mptcp_getsockopt_sol_tcp()  argument
1178 						      optval, optlen);  in mptcp_getsockopt_sol_tcp()
1180 		return mptcp_put_int_option(msk, optval, optlen, msk->recvmsg_inq);  in mptcp_getsockopt_sol_tcp()
1182 		return mptcp_put_int_option(msk, optval, optlen, msk->cork);  in mptcp_getsockopt_sol_tcp()
1184 		return mptcp_put_int_option(msk, optval, optlen, msk->nodelay);  in mptcp_getsockopt_sol_tcp()
1190 			       char __user *optval, int __user *optlen)  in mptcp_getsockopt_v4()  argument
1196 		return mptcp_put_int_option(msk, optval, optlen, inet_sk(sk)->tos);  in mptcp_getsockopt_v4()
1203 				      char __user *optval, int __user *optlen)  in mptcp_getsockopt_sol_mptcp()  argument
1207 		return mptcp_getsockopt_info(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1209 		return mptcp_getsockopt_tcpinfo(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1211 		return mptcp_getsockopt_subflow_addrs(msk, optval, optlen);  in mptcp_getsockopt_sol_mptcp()
1218 		     char __user *optval, int __user *option)  in mptcp_getsockopt()  argument
1235 		return tcp_getsockopt(ssk, level, optname, optval, option);  in mptcp_getsockopt()
1238 		return mptcp_getsockopt_v4(msk, optname, optval, option);  in mptcp_getsockopt()
1240 		return mptcp_getsockopt_sol_tcp(msk, optname, optval, option);  in mptcp_getsockopt()
1242 		return mptcp_getsockopt_sol_mptcp(msk, optname, optval, option);  in mptcp_getsockopt()