diff --git a/components/fs/fatfs/fs.c b/components/fs/fatfs/fs.c
index 7435e822b8e8c44269ef1054dd8e8a22b862d661..04fecb89091dbebd9f1885b9822543af63ec8749 100755
--- a/components/fs/fatfs/fs.c
+++ b/components/fs/fatfs/fs.c
@@ -44,6 +44,7 @@
 
 #ifdef LOSCFG_NET_LWIP_SACK
 #include "lwip/lwipopts.h"
+#include "lwip/sockets.h"
 #define CONFIG_NSOCKET_DESCRIPTORS  LWIP_CONFIG_NUM_SOCKETS
 #else
 #define CONFIG_NSOCKET_DESCRIPTORS  0
diff --git a/components/net/lwip-2.1/porting/include/arch/cc.h b/components/net/lwip-2.1/porting/include/arch/cc.h
index 746bf9e921fca01897b1f2abf36a90e7f00a9925..f305d3c9c7fd0006348cd552e8f99705b4e25da6 100644
--- a/components/net/lwip-2.1/porting/include/arch/cc.h
+++ b/components/net/lwip-2.1/porting/include/arch/cc.h
@@ -32,17 +32,40 @@
 #ifndef _LWIP_PORTING_CC_H_
 #define _LWIP_PORTING_CC_H_
 
+#ifdef LITTLE_ENDIAN
+#undef LITTLE_ENDIAN
+#endif
+
+#ifdef BIG_ENDIAN
+#undef BIG_ENDIAN
+#endif
+
+#include <endian.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "securec.h"
 #include "log.h"
+#include "memory_pool.h"
 
 #ifdef htons
 #define LWIP_DONT_PROVIDE_BYTEORDER_FUNCTIONS
 #endif
 
-#define LWIP_PROVIDE_ERRNO 1
+#define SOCKLEN_T_DEFINED
+#define SA_FAMILY_T_DEFINED
+#define IN_PORT_T_DEFINED
+
+#define LWIP_TIMEVAL_PRIVATE    0
+#define LWIP_ERRNO_STDINCLUDE
+#define LWIP_SOCKET_STDINCLUDE
+
+#define LWIP_DNS_API_DEFINE_ERRORS    0
+#define LWIP_DNS_API_DEFINE_FLAGS     0
+#define LWIP_DNS_API_DECLARE_STRUCTS  0
+
+#ifndef __SIZEOF_POINTER__ 4
 #define __SIZEOF_POINTER__ 4   // 32位系统
+#endif
 
 #define LOS_TASK_STATUS_DETACHED   0x0100  // 预留字段
 
@@ -96,7 +119,6 @@ extern void HilogPrintf(const char *fmt, ...);
 #define init_waitqueue_head(...)
 #define poll_check_waiters(...)
 #define IOCTL_CMD_CASE_HANDLER()
-#define DF_NADDR(addr)
 
 #define DNS_SERVER_ADDRESS(ipaddr)        (ip4_addr_set_u32(ipaddr, ipaddr_addr("114.114.114.114")))
 #define DNS_SERVER_ADDRESS_SECONDARY(ipaddr)        (ip4_addr_set_u32(ipaddr, ipaddr_addr("114.114.115.115")))
diff --git a/components/net/lwip-2.1/porting/include/arch/sys_arch.h b/components/net/lwip-2.1/porting/include/arch/sys_arch.h
index 95f7f80ad079f4f97c7d0bb4b2a49bfe476e3687..d8c3513f59449797f1e35f0036ab7ba3a68e2d67 100644
--- a/components/net/lwip-2.1/porting/include/arch/sys_arch.h
+++ b/components/net/lwip-2.1/porting/include/arch/sys_arch.h
@@ -33,7 +33,6 @@
 #define _LWIP_PORTING_SYS_ARCH_H_
 
 #include <stdint.h>
-#include "memory_pool.h"
 #include "los_mux.h"
 
 #ifdef __cplusplus
diff --git a/components/net/lwip-2.1/porting/include/lwip/inet.h b/components/net/lwip-2.1/porting/include/lwip/inet.h
new file mode 100644
index 0000000000000000000000000000000000000000..3a77c3108cf34fbb979a080c1feab07764d3cca8
--- /dev/null
+++ b/components/net/lwip-2.1/porting/include/lwip/inet.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LWIP_PORTING_INET_H_
+#define _LWIP_PORTING_INET_H_
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include_next <lwip/inet.h>
+
+#if LWIP_IPV4
+#define inet_addr_from_ip4addr(target_inaddr, source_ipaddr) \
+            ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
+#define inet_addr_to_ip4addr(target_ipaddr, source_inaddr) \
+            (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
+
+/* directly map this to the lwip internal functions */
+#define inet_addr(cp)                   ipaddr_addr(cp)
+#define inet_aton(cp, addr)             ip4addr_aton(cp, (ip4_addr_t*)addr)
+#define inet_ntoa(addr)                 ip4addr_ntoa((const ip4_addr_t*)&(addr))
+#define inet_ntoa_r(addr, buf, buflen)  ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
+#endif /* LWIP_IPV4 */
+#if LWIP_IPV6
+#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) \
+            {(target_in6addr)->s6_addr32[0] = (source_ip6addr)->addr[0]; \
+            (target_in6addr)->s6_addr32[1] = (source_ip6addr)->addr[1]; \
+            (target_in6addr)->s6_addr32[2] = (source_ip6addr)->addr[2]; \
+            (target_in6addr)->s6_addr32[3] = (source_ip6addr)->addr[3];}
+#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) \
+            {(target_ip6addr)->addr[0] = (source_in6addr)->s6_addr32[0]; \
+            (target_ip6addr)->addr[1] = (source_in6addr)->s6_addr32[1]; \
+            (target_ip6addr)->addr[2] = (source_in6addr)->s6_addr32[2]; \
+            (target_ip6addr)->addr[3] = (source_in6addr)->s6_addr32[3]; \
+            ip6_addr_clear_zone(target_ip6addr);}
+#endif /* LWIP_IPV6 */
+
+#endif /* _LWIP_PORTING_INET_H_ */
diff --git a/components/net/lwip-2.1/porting/include/lwip/lwipopts.h b/components/net/lwip-2.1/porting/include/lwip/lwipopts.h
index 7d0777587a9f6cbf4dc1184ff9328969718a165f..ab54f69aa8c19215af6810079cf3ee1b720087eb 100644
--- a/components/net/lwip-2.1/porting/include/lwip/lwipopts.h
+++ b/components/net/lwip-2.1/porting/include/lwip/lwipopts.h
@@ -134,8 +134,7 @@
 #define LWIP_NETIF_LOOPBACK             1
 #define LWIP_POSIX_SOCKETS_IO_NAMES     0
 #define LWIP_RAW                        1
-#define CONFIG_NFILE_DESCRIPTORS        1
-#define LWIP_SOCKET_OFFSET              CONFIG_NFILE_DESCRIPTORS
+#define LWIP_SOCKET_OFFSET              FAT_MAX_OPEN_FILES
 #define LWIP_SO_RCVBUF                  1
 #define LWIP_SO_RCVTIMEO                1
 #define LWIP_SO_SNDTIMEO                1
diff --git a/components/net/lwip-2.1/porting/include/netdb.h b/components/net/lwip-2.1/porting/include/lwip/netdb.h
similarity index 88%
rename from components/net/lwip-2.1/porting/include/netdb.h
rename to components/net/lwip-2.1/porting/include/lwip/netdb.h
index 5043cf0a0eb5e67aad6fa85f84f9d31fca0c053e..7172ea843eb1ae7e75ad9499f47393e6985a3596 100644
--- a/components/net/lwip-2.1/porting/include/netdb.h
+++ b/components/net/lwip-2.1/porting/include/lwip/netdb.h
@@ -1,39 +1,42 @@
-/*
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- *    conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- *    of conditions and the following disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- *    to endorse or promote products derived from this software without specific prior written
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __LITEOS_NETDB_PORTING_H__
-#define __LITEOS_NETDB_PORTING_H__
-
-#include "lwip/netdb.h"
-
-struct hostent *gethostbyname(const char *name);
-
-#endif // __LITEOS_NETDB_PORTING_H__
\ No newline at end of file
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LWIP_PORTING_NETDB_H_
+#define _LWIP_PORTING_NETDB_H_
+
+#include <netdb.h>
+#include_next <lwip/netdb.h>
+
+#ifdef h_errno
+#undef h_errno
+#endif
+
+#endif /* _LWIP_PORTING_NETDB_H_ */
diff --git a/components/net/lwip-2.1/porting/include/lwip/netif.h b/components/net/lwip-2.1/porting/include/lwip/netif.h
index 421a5fb6589753555ea71519f06c36760cd9c5ec..bba71682ba94540d67faae134ec9bad4aa326c58 100644
--- a/components/net/lwip-2.1/porting/include/lwip/netif.h
+++ b/components/net/lwip-2.1/porting/include/lwip/netif.h
@@ -32,6 +32,9 @@
 #ifndef _LWIP_PORTING_NETIF_H_
 #define _LWIP_PORTING_NETIF_H_
 
+#include <net/if.h> // For IFNAMSIZ/IF_NAMESIZE and `struct ifreq', by `lwip/netif.h' and `api/sockets.c'
+#include <netinet/ip.h> // For IP_OFFMASK, by `core/ipv4/ip4_frag.c'
+
 #define netif_find netifapi_netif_find_by_name
 
 #if LWIP_DHCPS
@@ -39,12 +42,11 @@
                                             LWIP_NETIF_CLIENT_DATA_INDEX_DHCPS
 #endif
 
-#define LWIP_NETIF_FULLNAME 16
 #define linkoutput      linkoutput; \
                         void (*drv_send)(struct netif *netif, struct pbuf *p); \
                         u8_t (*drv_set_hwaddr)(struct netif *netif, u8_t *addr, u8_t len); \
                         void (*drv_config)(struct netif *netif, u32_t config_flags, u8_t setBit); \
-                        char full_name[LWIP_NETIF_FULLNAME]; \
+                        char full_name[IFNAMSIZ]; \
                         u16_t link_layer_type
 #include_next <lwip/netif.h>
 #undef linkoutput
@@ -60,7 +62,7 @@ extern "C" {
 
 // redefine NETIF_NAMESIZE which was defined in netif.h
 #undef NETIF_NAMESIZE
-#define NETIF_NAMESIZE LWIP_NETIF_FULLNAME
+#define NETIF_NAMESIZE IFNAMSIZ
 
 #define LOOPBACK_IF         0 // 772
 #define ETHERNET_DRIVER_IF  1
diff --git a/components/net/lwip-2.1/porting/include/sys/socket.h b/components/net/lwip-2.1/porting/include/lwip/sockets.h
similarity index 56%
rename from components/net/lwip-2.1/porting/include/sys/socket.h
rename to components/net/lwip-2.1/porting/include/lwip/sockets.h
index c5f27a607ce885cbbc94ebce3fd6ae14786af9fa..c149113f75f7181c17b10ec67abf8c599b7ce24c 100644
--- a/components/net/lwip-2.1/porting/include/sys/socket.h
+++ b/components/net/lwip-2.1/porting/include/lwip/sockets.h
@@ -1,79 +1,83 @@
-/*
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- *    conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- *    of conditions and the following disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- *    to endorse or promote products derived from this software without specific prior written
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef	_SYS_SOCKET_PORTING_H
-#define	_SYS_SOCKET_PORTING_H
-
-#include "lwip/sockets.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-int socket (int, int, int);
-
-int bind (int, const struct sockaddr *, socklen_t);
-int connect (int, const struct sockaddr *, socklen_t);
-int listen (int, int);
-int accept (int, struct sockaddr *__restrict, socklen_t *__restrict);
-
-int getsockname (int, struct sockaddr *__restrict, socklen_t *__restrict);
-int getpeername (int, struct sockaddr *__restrict, socklen_t *__restrict);
-
-ssize_t send (int, const void *, size_t, int);
-ssize_t recv (int, void *, size_t, int);
-ssize_t sendto (int, const void *, size_t, int, const struct sockaddr *, socklen_t);
-ssize_t recvfrom (int, void *__restrict, size_t, int, struct sockaddr *__restrict, socklen_t *__restrict);
-ssize_t sendmsg (int, const struct msghdr *, int);
-ssize_t recvmsg (int, struct msghdr *, int);
-
-int getsockopt (int, int, int, void *__restrict, socklen_t *__restrict);
-int setsockopt (int, int, int, const void *, socklen_t);
-
-const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
-int inet_pton(int af, const char *src, void *dst);
-
-int shutdown (int, int);
-int closesocket(int sockfd);
-
-int ioctlsocket(int s, long cmd, void *argp);
-
-#if LWIP_SOCKET_SELECT
-int select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, struct timeval *timeout);
-#endif
-#if LWIP_SOCKET_POLL
-int poll(struct pollfd *fds, nfds_t nfds, int timeout);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-#endif
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LWIP_PORTING_SOCKETS_H_
+#define _LWIP_PORTING_SOCKETS_H_
+
+#include <sys/socket.h>
+#include <poll.h> // For poll_table
+#include <netinet/tcp.h> // For TCP_NODELAY etc.
+#include <netinet/in.h>
+#include <sys/ioctl.h> // For FIONREAD etc.
+#include <sys/select.h> // For FD_SET
+#include <limits.h> // For IOV_MAX
+#include <fcntl.h> // For F_SETFL
+#include_next <lwip/sockets.h>
+#include <fatfs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if FD_SETSIZE < (LWIP_SOCKET_OFFSET + MEMP_NUM_NETCONN)
+#error "external FD_SETSIZE too small for number of sockets"
+#else
+#define LWIP_SELECT_MAXNFDS FD_SETSIZE
+#endif
+
+#if IOV_MAX > 0xFFFF
+#error "IOV_MAX larger than supported by LwIP"
+#endif
+
+#if LWIP_UDP && LWIP_UDPLITE
+#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
+#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
+#endif
+
+// For BSD 4.4 socket sa_len compatibility
+#define DF_NADDR(addr) ip_addr_t naddr = addr
+#define SA_LEN(addr, _)  (IP_IS_V4_VAL(addr) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6))
+#define sa_len sa_data[0] * 0 + SA_LEN(naddr, _)
+#define sin_len sin_zero[0]
+#define sin6_len sin6_addr.s6_addr[0]
+
+// for sockets.c, TCP_KEEPALIVE is not supported currently
+#define TCP_KEEPALIVE   0xFF
+#define SIN_ZERO_LEN    8
+
+int closesocket(int sockfd);
+int ioctlsocket(int s, long cmd, void *argp);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LWIP_PORTING_SOCKETS_H_ */
diff --git a/components/net/lwip-2.1/porting/src/netdb_porting.c b/components/net/lwip-2.1/porting/src/netdb_porting.c
index df905f7172dc992b2373f74a159b6f25badeb4bf..30accb2549c0807fae092b1c38f8caa21b91f01e 100644
--- a/components/net/lwip-2.1/porting/src/netdb_porting.c
+++ b/components/net/lwip-2.1/porting/src/netdb_porting.c
@@ -30,6 +30,7 @@
  */
 
 #include "netdb.h"
+#include "lwip/netdb.h"
 
 struct hostent *gethostbyname(const char *name)
 {
diff --git a/components/net/test/lwip_test.h b/components/net/test/lwip_test.h
index a873a59dc637cd6883b5ee66c30ce9bc6f068994..9e190df9f2a58c7e0146261ce7b75fc1aa70ef82 100644
--- a/components/net/test/lwip_test.h
+++ b/components/net/test/lwip_test.h
@@ -32,7 +32,10 @@
 #ifndef LWIP_TEST_H
 #define LWIP_TEST_H
 
+#include "lwip/arch.h"
+#include "lwip/sockets.h"
 #include <sys/socket.h>
+#include <arpa/inet.h>
 #include "log.h"
 #include "securec.h"
 
diff --git a/components/net/test/net_socket_test_002.c b/components/net/test/net_socket_test_002.c
index 7abdfb13cd0b588062b104b4968ddd005ffbac01..1f0fb1ff8c890276cbbe433d04d046e8485f205a 100644
--- a/components/net/test/net_socket_test_002.c
+++ b/components/net/test/net_socket_test_002.c
@@ -30,14 +30,19 @@
  */
 
 #include "lwip_test.h"
+#include "lwipopts.h"
+#include <arch/sys_arch.h>
+#include <lwip/sys.h>
 
 #define MSG "Hi, I am UDP"
 #define TEST_CASE 120
 
 static char g_buf[BUF_SIZE + 1] = { 0 };
+extern sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stackSize, int prio);
 
-int UdpTest(void)
+void UdpTestTask(void *p)
 {
+	void(p);
     LogPrintln("net_socket_test_002.c enter");
     g_testCase = TEST_CASE;
     int sfd;
@@ -111,6 +116,14 @@ int UdpTest(void)
     /* close socket */
     ret = closesocket(sfd);
     LWIP_ASSERT("socket invalid param.", ret != -1);
-    return LWIP_TEST_RET_OK;
+    return;
+}
+
+int UdpTest(void)
+{
+    int ret = sys_thread_new("udp_test", UdpTestTask, NULL,
+        STACK_TEST_SIZE, TCPIP_THREAD_PRIO);
+    ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 23);
+    return ret;
 }
 
diff --git a/components/net/test/net_socket_test_011.c b/components/net/test/net_socket_test_011.c
index e324143bc7705d40822955f80144cb3ae118d42f..2e18b7a67052e09e043db53749b923dc20d1c5d9 100644
--- a/components/net/test/net_socket_test_011.c
+++ b/components/net/test/net_socket_test_011.c
@@ -310,8 +310,9 @@ static struct netif *CreateBtNetIf()
     return btNetif;
 }
 
-int UdpTestNetif(void)
+static void UdpTestNetifTask(void *p)
 {
+    void(p);
     LogPrintln("net_socket_test_011.c enter");
     g_testCase = TEST_CASE;
     int sfd;
@@ -363,7 +364,15 @@ int UdpTestNetif(void)
     /* close socket */
     ret = closesocket(sfd);
     LWIP_ASSERT("socket invalid param.", ret != -1);
-    return LWIP_TEST_RET_OK;
+    return;
+}
+
+int UdpTestNetif(void)
+{
+    int ret = sys_thread_new("udp_test_netif", UdpTestNetifTask, NULL,
+        STACK_TEST_SIZE, TCPIP_THREAD_PRIO);
+    ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 23);
+    return ret;
 }
 
 static void ArpPackageProc(struct netif *netif, struct pbuf *p)
diff --git a/components/net/test/test_main.c b/components/net/test/test_main.c
index 125b9dd01e2151aab7d98c3d41d5296c4fd237fd..2ea6b7000502c0adca9ac058afe63ca367aa4aff 100644
--- a/components/net/test/test_main.c
+++ b/components/net/test/test_main.c
@@ -119,7 +119,7 @@ static void LwipTestTimeoutCallback(void const *argument)
 
 osTimerId_t g_lwipTestTimerId = NULL;
 
-void LwipTestStartTimer(uint32 timeout)
+void LwipTestStartTimer(uint32_t timeout)
 {
     osStatus_t status;
     if (g_lwipTestTimerId != NULL) {
diff --git a/kal/posix/include/limits.h b/kal/posix/include/limits.h
index f77e3ed097838aae86875716c0b745573c33ad3d..eefb2472333cef3144da9a32da97f0358bf44989 100644
--- a/kal/posix/include/limits.h
+++ b/kal/posix/include/limits.h
@@ -7,6 +7,8 @@
 #define PATH_MAX 256
 #define MQ_PRIO_MAX 1
 #define PTHREAD_STACK_MIN LOSCFG_BASE_CORE_TSK_MIN_STACK_SIZE
+#define IOV_MAX 1024
+#define SSIZE_MAX LONG_MAX
 #include_next <limits.h>
 #else