1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LWIP_PORTING_SOCKETS_H_ 33 #define _LWIP_PORTING_SOCKETS_H_ 34 35 #include <sys/socket.h> 36 #include <poll.h> // For poll_table 37 #include <netinet/tcp.h> // For TCP_NODELAY etc. 38 #include <netinet/in.h> 39 #include <sys/ioctl.h> // For FIONREAD etc. 40 #include <sys/select.h> // For FD_SET 41 #include <limits.h> // For IOV_MAX 42 #include_next <lwip/sockets.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 #ifdef __LWIP__ 49 50 #if FD_SETSIZE < (LWIP_SOCKET_OFFSET + MEMP_NUM_NETCONN) 51 #error "external FD_SETSIZE too small for number of sockets" 52 #else 53 #define LWIP_SELECT_MAXNFDS FD_SETSIZE 54 #endif 55 56 #if IOV_MAX > 0xFFFF 57 #error "IOV_MAX larger than supported by LwIP" 58 #endif 59 60 #if LWIP_UDP && LWIP_UDPLITE 61 #define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */ 62 #define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */ 63 #endif 64 65 // For BSD 4.4 socket sa_len compatibility 66 #define DF_NADDR(addr) ip_addr_t naddr = addr 67 #define SA_LEN(addr, _) (IP_IS_V4_VAL(addr) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)) 68 #define sa_len sa_data[0] * 0 + SA_LEN(naddr, _) 69 #define sin_len sin_zero[0] 70 #define sin6_len sin6_addr.s6_addr[0] 71 72 // for sockets.c, TCP_KEEPALIVE is not supported currently 73 #define TCP_KEEPALIVE 0xFF 74 #define SIN_ZERO_LEN 8 75 76 #else 77 int closesocket(int sockfd); 78 #endif /* __LWIP__ */ 79 80 int socks_poll(int sockfd, poll_table *wait); 81 int socks_ioctl(int sockfd, long cmd, void *argp); 82 int socks_close(int sockfd); 83 void socks_refer(int sockfd); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _LWIP_PORTING_SOCKETS_H_ */ 90