net/mptcp/sockopt.c

59 				unsigned int optlen, int *val)
61 	if (optlen < sizeof(int))
174 					   unsigned int optlen)
178 	ret = mptcp_get_int_option(msk, optval, optlen, &val);
210 						    unsigned int optlen)
217 	if (optlen == sizeof(timestamping)) {
221 	} else if (optlen == sizeof(int)) {
252 					      unsigned int optlen)
260 	if (optlen < sizeof(ling))
293 				       sockptr_t optval, unsigned int optlen)
311 		ret = sk_setsockopt(ssk, SOL_SOCKET, optname, optval, optlen);
338 						       optlen);
342 								optval, optlen);
344 		return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen);
354 		return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, optval, optlen);
390 			       sockptr_t optval, unsigned int optlen)
407 		ret = tcp_setsockopt(ssk, SOL_IPV6, optname, optval, optlen);
585 					       unsigned int optlen)
593 	if (optlen < 1)
597 				   min_t(long, TCP_CA_NAME_MAX - 1, optlen));
667 				       sockptr_t optval, unsigned int optlen)
673 	err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);
713 				       sockptr_t optval, unsigned int optlen)
719 	err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);
741 			       sockptr_t optval, unsigned int optlen)
748 		return mptcp_setsockopt_sol_ip_set(msk, optname, optval, optlen);
750 		return mptcp_setsockopt_v4_set_tos(msk, optname, optval, optlen);
757 					  sockptr_t optval, unsigned int optlen)
771 	ret = tcp_setsockopt(ssk, level, optname, optval, optlen);
779 				    sockptr_t optval, unsigned int optlen)
788 		return mptcp_setsockopt_sol_tcp_congestion(msk, optval, optlen);
791 		mptcp_setsockopt_first_sf_only(msk, SOL_TCP, optname, optval, optlen);
798 						      optval, optlen);
801 	ret = mptcp_get_int_option(msk, optval, optlen, &val);
832 		     sockptr_t optval, unsigned int optlen)
840 		return mptcp_setsockopt_sol_socket(msk, optname, optval, optlen);
855 		return tcp_setsockopt(ssk, level, optname, optval, optlen);
858 		return mptcp_setsockopt_v4(msk, optname, optval, optlen);
861 		return mptcp_setsockopt_v6(msk, optname, optval, optlen);
864 		return mptcp_setsockopt_sol_tcp(msk, optname, optval, optlen);
870 					  char __user *optval, int __user *optlen)
879 		ret = tcp_getsockopt(ssk, level, optname, optval, optlen);
889 	ret = tcp_getsockopt(ssk, level, optname, optval, optlen);
949 static int mptcp_getsockopt_info(struct mptcp_sock *msk, char __user *optval, int __user *optlen)
954 	if (get_user(len, optlen))
961 	if (put_user(len, optlen))
973 				  int __user *optlen)
982 	if (put_user(copied, optlen))
993 				  int __user *optlen)
997 	if (get_user(len, optlen))
1030 				    int __user *optlen)
1039 	len = mptcp_get_subflow_data(&sfd, optval, optlen);
1076 	if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))
1122 					  int __user *optlen)
1131 	len = mptcp_get_subflow_data(&sfd, optval, optlen);
1168 	if (mptcp_put_subflow_data(&sfd, optval, copied, optlen))
1176 			       int __user *optlen)
1183 	if (get_user(len, optlen))
1208 			       int __user *optlen)
1211 	if (put_user(copylen, optlen))
1220 				      int __user *optlen)
1229 	len = mptcp_get_full_info(&mfi, optval, optlen);
1283 	if (mptcp_put_full_info(&mfi, optval, copylen, optlen))
1294 				int __user *optlen, int val)
1298 	if (get_user(len, optlen))
1307 		if (put_user(len, optlen))
1313 		if (put_user(len, optlen))
1323 				    char __user *optval, int __user *optlen)
1336 						      optval, optlen);
1338 		return mptcp_put_int_option(msk, optval, optlen, msk->recvmsg_inq);
1340 		return mptcp_put_int_option(msk, optval, optlen, msk->cork);
1342 		return mptcp_put_int_option(msk, optval, optlen, msk->nodelay);
1344 		return mptcp_put_int_option(msk, optval, optlen, msk->notsent_lowat);
1350 			       char __user *optval, int __user *optlen)
1356 		return mptcp_put_int_option(msk, optval, optlen, READ_ONCE(inet_sk(sk)->tos));
1358 		return mptcp_put_int_option(msk, optval, optlen,
1361 		return mptcp_put_int_option(msk, optval, optlen,
1369 				      char __user *optval, int __user *optlen)
1373 		return mptcp_getsockopt_info(msk, optval, optlen);
1375 		return mptcp_getsockopt_full_info(msk, optval, optlen);
1377 		return mptcp_getsockopt_tcpinfo(msk, optval, optlen);
1379 		return mptcp_getsockopt_subflow_addrs(msk, optval, optlen);