修改lwip为支持rtthread

examples/device/net_lwip_webserver/src/arch/bpstruct.h

@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * 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. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * This file is part of the lwIP TCP/IP stack.
- *
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#if defined(__ICCARM__)
-#pragma pack(1)
-#endif

examples/device/net_lwip_webserver/src/arch/cc.h

@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * 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. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * This file is part of the lwIP TCP/IP stack.
- *
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __CC_H__
-#define __CC_H__
-
-//#include "cpu.h"
-
-// typedef int sys_prot_t;
-
-
-
-/* define compiler specific symbols */
-#if defined (__ICCARM__)
-
-#define PACK_STRUCT_BEGIN
-#define PACK_STRUCT_STRUCT
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-#define PACK_STRUCT_USE_INCLUDES
-
-#elif defined (__CC_ARM)
-
-#define PACK_STRUCT_BEGIN __packed
-#define PACK_STRUCT_STRUCT
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-
-#elif defined (__GNUC__)
-
-#define PACK_STRUCT_BEGIN
-#define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-
-#elif defined (__TASKING__)
-
-#define PACK_STRUCT_BEGIN
-#define PACK_STRUCT_STRUCT
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-
-#endif
-
-#define LWIP_PLATFORM_ASSERT(x) do { if(!(x)) while(1); } while(0)
-
-#endif /* __CC_H__ */

examples/device/net_lwip_webserver/src/arch/epstruct.h

@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * 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. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * This file is part of the lwIP TCP/IP stack.
- *
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#if defined(__ICCARM__)
-#pragma pack()
-#endif

examples/device/net_lwip_webserver/src/lwipopts.h

@@ -1,76 +1,619 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * 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. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * This file is part of the lwIP TCP/IP stack.
- *
- * Author: Simon Goldschmidt
- *
- */
 #ifndef __LWIPOPTS_H__
 #define __LWIPOPTS_H__
 
-#include "rtdef.h"
+#include <rtconfig.h>
+
+#define ERRNO                       1
+
+#define LWIP_SOCKET_SELECT 1
+#define LWIP_SOCKET_POLL 1
 
-/* Prevent having to link sys_arch.c (we don't test the API layers in unit tests) */
-#define NO_SYS                          0
-#define MEM_ALIGNMENT                   4
-#define LWIP_RAW                        0
-#define LWIP_NETCONN                    0
-#define LWIP_SOCKET                     1
-#define LWIP_DHCP                       0
-#define LWIP_ICMP                       1
-#define LWIP_UDP                        1
-#define LWIP_TCP                        1
 #define LWIP_IPV4                   1
+
+#ifdef RT_USING_LWIP_IPV6
+#define LWIP_IPV6                   1
+#else
 #define LWIP_IPV6                   0
-#define ETH_PAD_SIZE                    0
+#endif /* RT_USING_LWIP_IPV6 */
-#define LWIP_IP_ACCEPT_UDP_PORT(p)      ((p) == PP_NTOHS(67))
 
-#define TCP_MSS                         (1500 /*mtu*/ - 20 /*iphdr*/ - 20 /*tcphhr*/)
+#define NO_SYS                      0
-#define TCP_SND_BUF                     (4 * TCP_MSS)
+#define LWIP_SOCKET                 1
-#define TCP_WND                         (4 * TCP_MSS)
+#define LWIP_NETCONN                1
 
-#define ETHARP_SUPPORT_STATIC_ENTRIES   1
+#ifdef RT_LWIP_IGMP
+#define LWIP_IGMP                   1
+#else
+#define LWIP_IGMP                   0
+#endif
 
-#define LWIP_HTTPD_CGI                  0
+#ifdef RT_LWIP_ICMP
-#define LWIP_HTTPD_SSI                  0
+#define LWIP_ICMP                   1
-#define LWIP_HTTPD_SSI_INCLUDE_TAG      0
+#else
+#define LWIP_ICMP                   0
+#endif
 
-#define LWIP_SINGLE_NETIF               1
+#ifdef RT_LWIP_SNMP
-#define LWIP_NETIF_LINK_CALLBACK        1
+#define LWIP_SNMP                   1
+#else
+#define LWIP_SNMP                   0
+#endif
 
-#define PBUF_POOL_SIZE                  4
+#ifdef RT_LWIP_DNS
+#define LWIP_DNS                    1
+#else
+#define LWIP_DNS                    0
+#endif
 
-#define HTTPD_USE_CUSTOM_FSDATA         0
+#define LWIP_HAVE_LOOPIF            0
+
+#define LWIP_PLATFORM_BYTESWAP      0
+
+#ifndef BYTE_ORDER
+#define BYTE_ORDER                  LITTLE_ENDIAN
+#endif
+
+/* #define RT_LWIP_DEBUG */
+
+#ifdef RT_LWIP_DEBUG
+#define LWIP_DEBUG
+#endif
+
+/* ---------- Debug options ---------- */
+#ifdef LWIP_DEBUG
+#ifdef RT_LWIP_SYS_DEBUG
+#define SYS_DEBUG                   LWIP_DBG_ON
+#else
+#define SYS_DEBUG                   LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_ETHARP_DEBUG
+#define ETHARP_DEBUG                LWIP_DBG_ON
+#else
+#define ETHARP_DEBUG                LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_PPP_DEBUG
+#define PPP_DEBUG                   LWIP_DBG_ON
+#else
+#define PPP_DEBUG                   LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_MEM_DEBUG
+#define MEM_DEBUG                   LWIP_DBG_ON
+#else
+#define MEM_DEBUG                   LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_MEMP_DEBUG
+#define MEMP_DEBUG                  LWIP_DBG_ON
+#else
+#define MEMP_DEBUG                  LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_PBUF_DEBUG
+#define PBUF_DEBUG                  LWIP_DBG_ON
+#else
+#define PBUF_DEBUG                  LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_API_LIB_DEBUG
+#define API_LIB_DEBUG               LWIP_DBG_ON
+#else
+#define API_LIB_DEBUG               LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_API_MSG_DEBUG
+#define API_MSG_DEBUG               LWIP_DBG_ON
+#else
+#define API_MSG_DEBUG               LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCPIP_DEBUG
+#define TCPIP_DEBUG                 LWIP_DBG_ON
+#else
+#define TCPIP_DEBUG                 LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_NETIF_DEBUG
+#define NETIF_DEBUG                 LWIP_DBG_ON
+#else
+#define NETIF_DEBUG                 LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_SOCKETS_DEBUG
+#define SOCKETS_DEBUG               LWIP_DBG_ON
+#else
+#define SOCKETS_DEBUG               LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_DNS_DEBUG
+#define DNS_DEBUG                   LWIP_DBG_ON
+#else
+#define DNS_DEBUG                   LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_AUTOIP_DEBUG
+#define AUTOIP_DEBUG                LWIP_DBG_ON
+#else
+#define AUTOIP_DEBUG                LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_DHCP_DEBUG
+#define DHCP_DEBUG                  LWIP_DBG_ON
+#else
+#define DHCP_DEBUG                  LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_IP_DEBUG
+#define IP_DEBUG                    LWIP_DBG_ON
+#else
+#define IP_DEBUG                    LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_IP_REASS_DEBUG
+#define IP_REASS_DEBUG              LWIP_DBG_ON
+#else
+#define IP_REASS_DEBUG              LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_ICMP_DEBUG
+#define ICMP_DEBUG                  LWIP_DBG_ON
+#else
+#define ICMP_DEBUG                  LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_IGMP_DEBUG
+#define IGMP_DEBUG                  LWIP_DBG_ON
+#else
+#define IGMP_DEBUG                  LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_UDP_DEBUG
+#define UDP_DEBUG                   LWIP_DBG_ON
+#else
+#define UDP_DEBUG                   LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_DEBUG
+#define TCP_DEBUG                   LWIP_DBG_ON
+#else
+#define TCP_DEBUG                   LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_INPUT_DEBUG
+#define TCP_INPUT_DEBUG             LWIP_DBG_ON
+#else
+#define TCP_INPUT_DEBUG             LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_OUTPUT_DEBUG
+#define TCP_OUTPUT_DEBUG            LWIP_DBG_ON
+#else
+#define TCP_OUTPUT_DEBUG            LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_RTO_DEBUG
+#define TCP_RTO_DEBUG               LWIP_DBG_ON
+#else
+#define TCP_RTO_DEBUG               LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_CWND_DEBUG
+#define TCP_CWND_DEBUG              LWIP_DBG_ON
+#else
+#define TCP_CWND_DEBUG              LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_WND_DEBUG
+#define TCP_WND_DEBUG               LWIP_DBG_ON
+#else
+#define TCP_WND_DEBUG               LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_FR_DEBUG
+#define TCP_FR_DEBUG                LWIP_DBG_ON
+#else
+#define TCP_FR_DEBUG                LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_QLEN_DEBUG
+#define TCP_QLEN_DEBUG              LWIP_DBG_ON
+#else
+#define TCP_QLEN_DEBUG              LWIP_DBG_OFF
+#endif
+
+#ifdef RT_LWIP_TCP_RST_DEBUG
+#define TCP_RST_DEBUG               LWIP_DBG_ON
+#else
+#define TCP_RST_DEBUG               LWIP_DBG_OFF
+#endif
+
+#endif /* LWIP_DEBUG */
+
+#define LWIP_DBG_TYPES_ON           (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
+
+# ifndef __STRICT_ANSI__
+#  define SSIZE_MAX LONG_MAX
+# endif
+
+/* ---------- Memory options ---------- */
+#define MEM_ALIGNMENT               4
+#define MEMP_OVERFLOW_CHECK         1 ////
+#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 1 ////
+//#define MEM_LIBC_MALLOC             1
+//#define MEM_USE_POOLS               1
+//#define MEMP_USE_CUSTOM_POOLS       1
+//#define MEM_SIZE                    (1024*64)
+
+#define MEMP_MEM_MALLOC             1
+
+/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
+   sends a lot of data out of ROM (or other static memory), this
+   should be set high. */
+#define MEMP_NUM_PBUF               32 //16
+
+/* the number of struct netconns */
+#ifdef RT_MEMP_NUM_NETCONN
+#define MEMP_NUM_NETCONN            RT_MEMP_NUM_NETCONN
+#endif
+
+/* the number of UDP protocol control blocks. One per active RAW "connection". */
+#ifdef RT_LWIP_RAW_PCB_NUM
+#define MEMP_NUM_RAW_PCB            RT_LWIP_RAW_PCB_NUM
+#endif
+
+/* the number of UDP protocol control blocks. One per active UDP "connection". */
+#ifdef RT_LWIP_UDP_PCB_NUM
+#define MEMP_NUM_UDP_PCB            RT_LWIP_UDP_PCB_NUM
+#endif
+
+/* the number of simulatenously active TCP connections. */
+#ifdef RT_LWIP_TCP_PCB_NUM
+#define MEMP_NUM_TCP_PCB            RT_LWIP_TCP_PCB_NUM
+#endif
+
+/* the number of simultaneously queued TCP */
+#ifdef RT_LWIP_TCP_SEG_NUM
+#define MEMP_NUM_TCP_SEG            RT_LWIP_TCP_SEG_NUM
+#else
+#define MEMP_NUM_TCP_SEG            TCP_SND_QUEUELEN
+#endif
+
+/*
+ * You can re-define following setting in rtcofnig.h to overwrite the default
+ * setting in the lwip opts.h
+ */
+/* MEMP_NUM_NETBUF: the number of struct netbufs. */
+// #define MEMP_NUM_NETBUF             2
+/* MEMP_NUM_NETCONN: the number of struct netconns. */
+// #define MEMP_NUM_NETCONN            4
+
+/* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used
+   for sequential API communication and incoming packets. Used in
+   src/api/tcpip.c. */
+// #define MEMP_NUM_TCPIP_MSG_API      16
+// #define MEMP_NUM_TCPIP_MSG_INPKT    16
+
+/* ---------- Pbuf options ---------- */
+/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
+#ifdef RT_LWIP_PBUF_NUM
+#define PBUF_POOL_SIZE               RT_LWIP_PBUF_NUM
+#endif
+
+/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
+#ifdef RT_LWIP_PBUF_POOL_BUFSIZE
+#define PBUF_POOL_BUFSIZE            RT_LWIP_PBUF_POOL_BUFSIZE
+#endif
+
+/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
+   link level header. */
+#define PBUF_LINK_HLEN              16
+
+#ifdef RT_LWIP_ETH_PAD_SIZE
+#define ETH_PAD_SIZE                RT_LWIP_ETH_PAD_SIZE
+#endif
+
+/** SYS_LIGHTWEIGHT_PROT
+ * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
+ * for certain critical regions during buffer allocation, deallocation and memory
+ * allocation and deallocation.
+ */
+#define SYS_LIGHTWEIGHT_PROT        (NO_SYS==0)
+
+#ifdef LWIP_USING_NAT
+#define IP_NAT                      1
+#else
+#define IP_NAT                      0
+#endif
+
+/* ---------- TCP options ---------- */
+#ifdef RT_LWIP_TCP
+#define LWIP_TCP                    1
+#else
+#define LWIP_TCP                    0
+#endif
+
+#define TCP_TTL                     255
+
+/* Controls if TCP should queue segments that arrive out of
+   order. Define to 0 if your device is low on memory. */
+#define TCP_QUEUE_OOSEQ             1
+
+/* TCP Maximum segment size. */
+#define TCP_MSS                     1460
+
+/* TCP sender buffer space (bytes). */
+#ifdef RT_LWIP_TCP_SND_BUF
+#define TCP_SND_BUF                 RT_LWIP_TCP_SND_BUF
+#else
+#define TCP_SND_BUF                 (TCP_MSS * 2)
+#endif
+
+/* TCP sender buffer space (pbufs). This must be at least = 2 *
+   TCP_SND_BUF/TCP_MSS for things to work. */
+#define TCP_SND_QUEUELEN            (4 * TCP_SND_BUF/TCP_MSS)
+
+/* TCP writable space (bytes). This must be less than or equal
+   to TCP_SND_BUF. It is the amount of space which must be
+   available in the tcp snd_buf for select to return writable */
+#define TCP_SNDLOWAT                (TCP_SND_BUF/2)
+#define TCP_SNDQUEUELOWAT           TCP_SND_QUEUELEN/2
+
+/* TCP receive window. */
+#ifdef RT_LWIP_TCP_WND
+#define TCP_WND                     RT_LWIP_TCP_WND
+#else
+#define TCP_WND                     (TCP_MSS * 2)
+#endif
+
+/* Maximum number of retransmissions of data segments. */
+#define TCP_MAXRTX                  12
+
+/* Maximum number of retransmissions of SYN segments. */
+#define TCP_SYNMAXRTX               4
+
+/* tcpip thread options */
+#ifdef RT_LWIP_TCPTHREAD_PRIORITY
+#define TCPIP_MBOX_SIZE             RT_LWIP_TCPTHREAD_MBOX_SIZE
+#define TCPIP_THREAD_PRIO           RT_LWIP_TCPTHREAD_PRIORITY
+#define TCPIP_THREAD_STACKSIZE      RT_LWIP_TCPTHREAD_STACKSIZE
+#else
+#define TCPIP_MBOX_SIZE             8
+#define TCPIP_THREAD_PRIO           128
+#define TCPIP_THREAD_STACKSIZE      4096
+#endif
+#define TCPIP_THREAD_NAME           "tcpip"
+#define DEFAULT_TCP_RECVMBOX_SIZE   10
+
+/* ---------- ARP options ---------- */
+#define LWIP_ARP                    1
+#define ARP_TABLE_SIZE              10
+#define ARP_QUEUEING                1
+
+/* ---------- IP options ---------- */
+/* Define IP_FORWARD to 1 if you wish to have the ability to forward
+   IP packets across network interfaces. If you are going to run lwIP
+   on a device with only one network interface, define this to 0. */
+#define IP_FORWARD                  0
+
+/* IP reassembly and segmentation.These are orthogonal even
+ * if they both deal with IP fragments */
+#ifdef RT_LWIP_REASSEMBLY_FRAG
+#define IP_REASSEMBLY               1
+#define IP_FRAG                     1
+#define IP_REASS_MAX_PBUFS          10
+#define MEMP_NUM_REASSDATA          10
+#else
+#define IP_REASSEMBLY               0
+#define IP_FRAG                     0
+#endif
+
+/* ---------- ICMP options ---------- */
+#define ICMP_TTL                    255
+
+/* ---------- DHCP options ---------- */
+/* Define LWIP_DHCP to 1 if you want DHCP configuration of
+   interfaces. */
+#ifdef RT_LWIP_DHCP
+#define LWIP_DHCP                   1
+#else
+#define LWIP_DHCP                   0
+#endif
+
+/* 1 if you want to do an ARP check on the offered address
+   (recommended). */
+#define DHCP_DOES_ARP_CHECK         (LWIP_DHCP)
+
+/* ---------- AUTOIP options ------- */
+#define LWIP_AUTOIP                 0
+#define LWIP_DHCP_AUTOIP_COOP       (LWIP_DHCP && LWIP_AUTOIP)
+
+/* ---------- UDP options ---------- */
+#ifdef RT_LWIP_UDP
+#define LWIP_UDP                    1
+#else
+#define LWIP_UDP                    0
+#endif
+
+#define LWIP_UDPLITE                0
+#define UDP_TTL                     255
+#define DEFAULT_UDP_RECVMBOX_SIZE   1
+
+/* ---------- RAW options ---------- */
+#ifdef RT_LWIP_RAW
+#define LWIP_RAW                    1
+#else
+#define LWIP_RAW                    0
+#endif
+
+#define DEFAULT_RAW_RECVMBOX_SIZE   1
+#define DEFAULT_ACCEPTMBOX_SIZE     10
+
+/* ---------- Statistics options ---------- */
+#ifdef RT_LWIP_STATS
+#define LWIP_STATS                  1
+#define LWIP_STATS_DISPLAY          1
+#else
+#define LWIP_STATS                  0
+#endif
+
+#if LWIP_STATS
+#define LINK_STATS                  1
+#define IP_STATS                    1
+#define ICMP_STATS                  1
+#define IGMP_STATS                  1
+#define IPFRAG_STATS                1
+#define UDP_STATS                   1
+#define TCP_STATS                   1
+#define MEM_STATS                   1
+#define MEMP_STATS                  1
+#define PBUF_STATS                  1
+#define SYS_STATS                   1
+#define MIB2_STATS                  1
+#endif /* LWIP_STATS */
+
+/* ---------- PPP options ---------- */
+#ifdef RT_LWIP_PPP
+#define PPP_SUPPORT                 1      /* Set > 0 for PPP */
+#else
+#define PPP_SUPPORT                 0      /* Set > 0 for PPP */
+#endif
+
+#if PPP_SUPPORT
+#define NUM_PPP                     1      /* Max PPP sessions. */
+
+/* Select modules to enable.  Ideally these would be set in the makefile but
+ * we're limited by the command line length so you need to modify the settings
+ * in this file.
+ */
+#ifdef RT_LWIP_PPPOE
+#define PPPOE_SUPPORT               1
+#else
+#define PPPOE_SUPPORT               0
+#endif
+
+#ifdef RT_LWIP_PPPOS
+#define PPPOS_SUPPORT               1
+#else
+#define PPPOS_SUPPORT               0
+#endif
+
+#define PAP_SUPPORT                 1      /* Set > 0 for PAP. */
+#define CHAP_SUPPORT                1      /* Set > 0 for CHAP. */
+#define MSCHAP_SUPPORT              0      /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */
+#define CBCP_SUPPORT                0      /* Set > 0 for CBCP (NOT FUNCTIONAL!) */
+#define CCP_SUPPORT                 0      /* Set > 0 for CCP (NOT FUNCTIONAL!) */
+#define VJ_SUPPORT                  1      /* Set > 0 for VJ header compression. */
+#define MD5_SUPPORT                 1      /* Set > 0 for MD5 (see also CHAP) */
+
+#endif /* PPP_SUPPORT */
+
+/**
+ * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
+ * Disable this option if you use a POSIX operating system that uses the same
+ * names (read, write & close). (only used if you use sockets.c)
+ */
+#ifndef LWIP_POSIX_SOCKETS_IO_NAMES
+#define LWIP_POSIX_SOCKETS_IO_NAMES     0
+#endif
+
+/**
+ * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
+ * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
+ * in seconds. (does not require sockets.c, and will affect tcp.c)
+ */
+#ifndef LWIP_TCP_KEEPALIVE
+#define LWIP_TCP_KEEPALIVE              1
+#endif
+
+/**
+ * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
+ */
+#ifndef LWIP_NETIF_API
+#define LWIP_NETIF_API                  1
+#endif
+
+#ifdef LWIP_IGMP
+#include <stdlib.h>
+#define LWIP_RAND                  rand
+#endif
+/*
+   ------------------------------------
+   ---------- Socket options ----------
+   ------------------------------------
+*/
+/*
+ * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
+ */
+#ifndef LWIP_SOCKET
+#define LWIP_SOCKET                     1
+#endif
+
+/*
+ * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
+ * (only used if you use sockets.c)
+ */
+#ifdef SAL_USING_POSIX
+#define LWIP_COMPAT_SOCKETS             0
+#else
+#ifndef LWIP_COMPAT_SOCKETS
+#define LWIP_COMPAT_SOCKETS             1
+#endif
+#endif
+
+/**
+ * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
+ * SO_SNDTIMEO processing.
+ */
+#ifndef LWIP_SO_SNDTIMEO
+#define LWIP_SO_SNDTIMEO                1
+#endif
+
+/**
+ * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
+ * SO_RCVTIMEO processing.
+ */
+#ifndef LWIP_SO_RCVTIMEO
+#define LWIP_SO_RCVTIMEO                1
+#endif
+
+/**
+ * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
+ */
+#ifndef LWIP_SO_RCVBUF
+#define LWIP_SO_RCVBUF                  1
+#endif
+
+/**
+ * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
+ */
+#ifndef RECV_BUFSIZE_DEFAULT
+#define RECV_BUFSIZE_DEFAULT            8192
+#endif
+
+/**
+ * SO_REUSE==1: Enable SO_REUSEADDR option.
+ */
+#ifndef SO_REUSE
+#define SO_REUSE                        0
+#endif
+
+/*
+   ------------------------------------
+   ------- Applications options -------
+   ------------------------------------
+*/
+
+/**
+ * Max. length of TFTP filename
+ */
+#ifdef RT_LWIP_TFTP_MAX_FILENAME_LEN
+#define TFTP_MAX_FILENAME_LEN           RT_LWIP_TFTP_MAX_FILENAME_LEN
+#elif defined(RT_DFS_ELM_MAX_LFN)
+#define TFTP_MAX_FILENAME_LEN           RT_DFS_ELM_MAX_LFN
+#else
+#define TFTP_MAX_FILENAME_LEN           64
+#endif
 
-#define LWIP_MULTICAST_PING             1
-#define LWIP_BROADCAST_PING             1
-#define LWIP_IPV6_MLD                   0
-#define LWIP_IPV6_SEND_ROUTER_SOLICIT   0
-#define LWIP_TIMEVAL_PRIVATE            0
-// #define _TIMEVAL_DEFINED                1
 
 #endif /* __LWIPOPTS_H__ */

examples/device/net_lwip_webserver/src/main.c

@@ -64,6 +64,7 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
 #include "lwip/ethip6.h"
 #include "lwip/init.h"
 #include "lwip/timeouts.h"
+#include "lwip/tcpip.h"
 
 #ifdef INCLUDE_IPERF
   #include "lwip/apps/lwiperf.h"
@@ -117,7 +118,8 @@ static err_t linkoutput_fn(struct netif *netif, struct pbuf *p) {
     }
 
     /* transfer execution to TinyUSB in the hopes that it will finish transmitting the prior packet */
-    tud_task();
+    /*rc: if use rtos, this function still will be called? */
+    // tud_task();
   }
 }
 
@@ -152,17 +154,23 @@ static void usbnet_netif_link_callback(struct netif *netif) {
     tud_network_link_state(BOARD_TUD_RHPORT, link_up);
 }
 
+void tcpip_init_done_cb(void *arg){
+  netif_set_up(arg);
+}
+
+
 static void init_lwip(void) {
   struct netif *netif = &netif_data;
 
-  lwip_init();
+  // lwip_init();
+  tcpip_init(tcpip_init_done_cb, &netif_data);
 
   /* the lwip virtual MAC address must be different from the host's; to ensure this, we toggle the LSbit */
   netif->hwaddr_len = sizeof(tud_network_mac_address);
   memcpy(netif->hwaddr, tud_network_mac_address, sizeof(tud_network_mac_address));
   netif->hwaddr[5] ^= 0x01;
 
-  netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, netif_init_cb, ethernet_input);
+  netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, netif_init_cb, tcpip_input);
 #if LWIP_IPV6
   netif_create_ip6_linklocal_address(netif, 1);
 #endif
@@ -297,8 +305,6 @@ static void tusb_thread_entry(void *parameter)
 
 
 
-
-
 int init_tinyusb(void) {
   /* initialize TinyUSB */
   rt_thread_t tid;
@@ -326,9 +332,15 @@ int init_tinyusb(void) {
 
   /* initialize lwip, dhcp-server, dns-server, and http */
   init_lwip();
-  while (!netif_is_up(&netif_data));
+  while (!netif_is_up(&netif_data)){
-  while (dhserv_init(&dhcp_config) != ERR_OK);
+    rt_thread_mdelay(10);
-  while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK);
+  }
+  while (dhserv_init(&dhcp_config) != ERR_OK){
+    rt_thread_mdelay(10);
+  }
+  while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK){
+    rt_thread_mdelay(10);
+  }
   httpd_init();
 
 #ifdef INCLUDE_IPERF