Thanks,
It's my misunderstanding. Telnet doesn't let me check if UDP Server's IP
port is alive.
Anyhow, I can't still figure the main problem out.
Why is lwip_socket() not working?
socket_fd = lwip_socket(AF_INET, SOCK_DGRAM, 0) always return -1.
I put a debugging codes to see get a connection in lwip_socket() in
sockets.c
if (!conn) {
DisplayString(115, 180 - 10, " ENOBUFS (could not create netconn) ");
LWIP_DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create
netconn)\n"));
set_errno(ENOBUFS);
return -1;
}
and display "ENOBUFS...." on LCD.
lwip_socket_init() is called in different task, which is *lwip_task*,
and *listener
task* sets up socket and receives packets.
lwip_task init lwip and calls lwip_socket_init()
// Initialize lwIP.
//
//*get client IP and use it to set up socket later on *
lwIPInit(pucMAC, 0, 0, 0, IPADDR_USE_DHCP);
//
// Setup the remaining services inside the TCP/IP thread's context.
//
tcpip_callback(SetupServices, 0);//* lwip_socket_init() is called in
SetupServices().*
I was suspicious about lwipopts.h, so kept changing definition and tested
to see if I missed one of definition in the header file. However, it still
doesn't work.
I attached my lwipopts.h.
Thanks,
Jin
On Thu, Sep 19, 2013 at 10:53 PM, Darius Babrauskas <[email protected]> wrote:
> **
>
> >>Also I directly attempts to access the listener using telnet
> command(telnet 192.2.0.208 5701), but the below error message comes out
> Telnet using TCP protocol. Your server type are UDP. Connection not
> possible.
>
> ----- Original Message -----
> *From:* Jin Won Seo <[email protected]>
> *To:* Mailing list for lwIP users <[email protected]>
> *Sent:* Friday, September 20, 2013 12:41 AM
> *Subject:* Re: [lwip-users] lwip bind fail
>
> Hi,
>
> I put a debugging code to see what error no spits out.
>
> if (!conn) {
> DisplayString(115, 180 - 10, " ENOBUFS (could not create netconn)
> ");
> LWIP_DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create
> netconn)\n"));
> set_errno(ENOBUFS);
> return -1;
> }
>
> " ENOBUFS (could not create netconn) " was displayed on LCD. The meaning
> of ENOBUFS is /* No buffer space available */
>
> I think it just says that no connection is made up.
>
> I don't know what makes this happened, but I feel like something to do
> with configuration to use lwip-socket since not even lwip-socket conn is
> assigned.
>
> Anyone knows about this?
>
>
>
> On Thu, Sep 19, 2013 at 11:42 AM, Jens Nielsen <[email protected]> wrote:
>
>> Hi
>>
>> Did you check the value of socket_fd? lwip_socket() returns -1 on error
>> but your code tests for == 0
>>
>> Also check the value of errno after your call, that might give you a hint
>>
>> BR /Jens
>>
>>
>>
>> On 2013-09-19 20:19, Jin Won Seo wrote:
>>
>> Hi all,
>>
>> I posted my issue but I fell like not describing the problem in detail.
>> So I re-post it with detail information.
>>
>> I am testing listener modules using LM3S9B96, lwip1.3.2, safeRTOS,
>> StellarisWare 10636, ccs 5.4.x.
>>
>> The listener task running on safeRTOS basically receives message from
>> server daemon in Unix using socket(UDP).
>>
>> As the server daemon sends messages, the listener seems like not getting
>> anything from the server
>>
>> Also I directly attempts to access the listener using telnet
>> command(telnet 192.2.0.208 5701), but the below error message comes out
>>
>> "telnet : Unable to connect to remote host: Connection refused"
>>
>> My test scenario is :
>>
>> 1. Get an IP from Server(Unix) using DHCP
>>
>> //
>> // Initialize lwIP.
>> //
>> lwIPInit(pucMAC, 0, 0, 0, *IPADDR_USE_DHCP*);
>>
>> //
>> // Setup the remaining services inside the TCP/IP thread's context.
>> //
>> tcpip_callback(*SetupServices*, 0);
>>
>> 2. Init lwip socket in SetupServices().
>>
>> lwip_socket_init();
>>
>> 3. Create listener task to receive packets from server daemon(UDP).
>>
>> int socket_fd;
>> struct sockaddr_in sa, ra;//sa = sender addr, ra= receiver addr
>> NET_MSG *sMsg;
>> int length;
>>
>> u32_t size;
>> size = sizeof(sa);
>>
>> // addr_setup();
>> // portTickType xTime1, xTime2;
>>
>> // Setup the local address.
>> memset((char *) &ra, 0, sizeof(ra));
>> ra.sin_family = AF_INET;
>> ra.sin_len = sizeof(ra);
>> // ra.sin_addr.s_addr = lwIPLocalIPAddrGet();
>> ra.sin_addr.s_addr = inet_addr("192.2.0.208");
>> ra.sin_port = htons(S_PORT);//#define S_PORT 5701
>>
>> //setup the destination address
>> memset((char *) &sa, 0, sizeof(sa));
>> sa.sin_family = AF_INET;
>> sa.sin_len = sizeof(sa);
>> sa.sin_addr.s_addr = inet_addr("192.2.0.3");// for test, hard-corded
>> // sDestAddr.sin_addr.s_addr = chgd_in_addr();
>> sa.sin_port = htons(S_PORT);
>>
>> while((socket_fd = *lwip_socket*(AF_INET, SOCK_DGRAM, 0)) == 0)
>> {
>> *DisplayString(115, 210 - 10, " lwip socket error... ");*
>> //xTaskDelay(CHGD_OPEN_TIME);
>> xTaskDelay(SECONDS(5));//arbitrary time for test
>> }
>>
>> //bind socket to the local address and port
>> if*(lwip_bind*(socket_fd, (struct sockaddr *) &ra, sizeof(ra)) == -1)
>> {
>> lwip_close(socket_fd);
>> *DisplayString(115, 190 - 10, " bind error... ");*//Display
>> message on LCD in LM3S9B96
>> }
>>
>> while(1)
>> {
>>
>> //receive from server
>> length = lwip_recvfrom(socket_fd, (char *) msg_buf,
>> sizeof(msg_buf),
>> MSG_DONTWAIT, (struct sockaddr *)&sa, &size);
>>
>> if(length > 0)
>> {
>> sMsg = (NET_MSG *) (msg_buf);
>> mon_cmd_do(socket_fd, &sa, sMsg, length);
>> }
>>
>> lwip_close(socket_fd);
>> xTaskDelay(1);// 1ms tick delay
>> }
>>
>>
>> As the program is executed, it seems like not binding socket properly
>> since "*bind error..." *is displayed on LCD.
>>
>> Here is my *lwipopts.h*
>>
>> #define SYS_LIGHTWEIGHT_PROT 1 // default is 0
>> #define NO_SYS 0 // default is 0
>> #if !NO_SYS
>> #define RTOS_SAFERTOS 1
>> #define RTOS_FREERTOS 0
>> #endif /* !NO_SYS */
>>
>> #define MEMP_NUM_PBUF 64
>> #define MEMP_NUM_TCP_PCB 40
>> #define MEMP_NUM_TCP_SEG 48
>> #define MEMP_NUM_SYS_TIMEOUT 10
>> #define PBUF_POOL_SIZE 64
>>
>> #define IP_REASSEMBLY 0 // default is 1
>> #define IP_FRAG 0 // default is 1
>>
>> #define LWIP_DHCP 1
>>
>> #define LWIP_AUTOIP 1 // default is 0
>> #define LWIP_DHCP_AUTOIP_COOP ((LWIP_DHCP) && (LWIP_AUTOIP))
>> // default is 0
>> #define LWIP_DHCP_AUTOIP_COOP_TRIES 5 // default is 9
>>
>>
>> #define TCP_WND 4096 // default is 2048
>> #define TCP_MSS 1500 // default is 128
>> //#define TCP_CALCULATE_EFF_SEND_MSS 1
>> #define TCP_SND_BUF (6 * TCP_MSS)
>> // default is 256
>> #define TCP_SND_QUEUELEN (MEMP_NUM_TCP_SEG)
>>
>> #define PBUF_LINK_HLEN 16 // default is 14
>> #define PBUF_POOL_BUFSIZE 256
>> // default is
>> LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
>> #define ETH_PAD_SIZE 2 // default is 0
>>
>> #define TCPIP_THREAD_NAME "tcpip_thread"
>> #define TCPIP_THREAD_STACKSIZE 1024
>> #define TCPIP_THREAD_PRIO 3
>> #define TCPIP_MBOX_SIZE 32
>>
>> #define LWIP_NETCONN 1 // default is 1
>>
>>
>> //*****************************************************************************
>> //
>> // ---------- Socket Options ----------
>> //
>>
>> //*****************************************************************************
>> #define LWIP_SOCKET 1 // default is 1
>> #define LWIP_COMPAT_SOCKETS 0
>> #define LWIP_POSIX_SOCKETS_IO_NAMES 0
>> #define LWIP_TCP_KEEPALIVE 0
>> #define LWIP_SO_RCVTIMEO 0
>> #define LWIP_SO_RCVBUF 0
>> #define SO_REUSE 0
>>
>> #define LWIP_PROVIDE_ERRNO 1 //Add for lwip
>> socket errors
>>
>> #define LWIP_STATS_LARGE 1
>>
>> #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF
>>
>> #define LWIP_DBG_TYPES_ON
>> (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH)
>>
>> So far I don't see any clues to figure this out.
>>
>> If anyone can help me out, I will appreciate that.
>>
>> Thank,
>>
>> Jin
>>
>>
>>
>> _______________________________________________
>> lwip-users mailing
>> [email protected]https://lists.nongnu.org/mailman/listinfo/lwip-users
>>
>>
>>
>> _______________________________________________
>> lwip-users mailing list
>> [email protected]
>> https://lists.nongnu.org/mailman/listinfo/lwip-users
>>
>
> ------------------------------
>
> _______________________________________________
> lwip-users mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/lwip-users
>
>
> _______________________________________________
> lwip-users mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/lwip-users
>
//*****************************************************************************
//
// lwipopts.h - Configuration file for lwIP
//
// Copyright (c) 2008-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 10636 of the DK-LM3S9D96 Firmware Package.
//
//*****************************************************************************
//
// NOTE: This file has been derived from the lwIP/src/include/lwip/opt.h
// header file.
//
// For additional details, refer to the original "opt.h" file, and lwIP
// documentation.
//
//*****************************************************************************
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
//*****************************************************************************
//
// ---------- Stellaris / lwIP Port Options ----------
//
//*****************************************************************************
//#define HOST_TMR_INTERVAL 100 // default is 0
//#define DHCP_EXPIRE_TIMER_MSECS (60 * 1000)
//#define INCLUDE_HTTPD_SSI
//#define INCLUDE_HTTPD_CGI
//#define DYNAMIC_HTTP_HEADERS
//#define INCLUDE_HTTPD_DEBUG
//*****************************************************************************
//
// ---------- Platform specific locking ----------
//
//*****************************************************************************
#define SYS_LIGHTWEIGHT_PROT 1 // default is 0
#define NO_SYS 0 // default is 0
#if !NO_SYS
#define RTOS_SAFERTOS 1
#define RTOS_FREERTOS 0
#endif /* !NO_SYS */
//#define MEMCPY(dst,src,len) memcpy(dst,src,len)
//#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
//*****************************************************************************
//
// ---------- Memory options ----------
//
//*****************************************************************************
//#define MEM_LIBC_MALLOC 0
#define MEM_ALIGNMENT 4 // default is 1
#define MEM_SIZE (22 * 1024) // default is 1600, was 16K
//#define MEMP_OVERFLOW_CHECK 0
//#define MEMP_SANITY_CHECK 0
//#define MEM_USE_POOLS 0
//#define MEMP_USE_CUSTOM_POOLS 0
//*****************************************************************************
//
// ---------- Internal Memory Pool Sizes ----------
//
//*****************************************************************************
#define MEMP_NUM_PBUF 64 // Default 16, was 16
//#define MEMP_NUM_RAW_PCB 4
//#define MEMP_NUM_UDP_PCB 4
#define MEMP_NUM_TCP_PCB 40 // default is 5
//#define MEMP_NUM_TCP_PCB_LISTEN 8
#define MEMP_NUM_TCP_SEG 48 // default is 16
//#define MEMP_NUM_REASSDATA 5
//#define MEMP_NUM_ARP_QUEUE 30
//#define MEMP_NUM_IGMP_GROUP 8
#define MEMP_NUM_SYS_TIMEOUT 10
//#define MEMP_NUM_NETBUF 2
//#define MEMP_NUM_NETCONN 4
//#define MEMP_NUM_TCPIP_MSG_API 8
//#define MEMP_NUM_TCPIP_MSG_INPKT 8
#define PBUF_POOL_SIZE 64 // Default 16, was 36
//*****************************************************************************
//
// ---------- ARP options ----------
//
//*****************************************************************************
//#define LWIP_ARP 1
//#define ARP_TABLE_SIZE 10
//#define ARP_QUEUEING 1
//#define ETHARP_TRUST_IP_MAC 1
//*****************************************************************************
//
// ---------- IP options ----------
//
//*****************************************************************************
//#define IP_FORWARD 0
//#define IP_OPTIONS_ALLOWED 1
#define IP_REASSEMBLY 0 // default is 1
#define IP_FRAG 0 // default is 1
//#define IP_REASS_MAXAGE 3
//#define IP_REASS_MAX_PBUFS 10
//#define IP_FRAG_USES_STATIC_BUF 1
//#define IP_FRAG_MAX_MTU 1500
//#define IP_DEFAULT_TTL 255
//*****************************************************************************
//
// ---------- ICMP options ----------
//
//*****************************************************************************
//#define LWIP_ICMP 1
//#define ICMP_TTL (IP_DEFAULT_TTL)
//*****************************************************************************
//
// ---------- RAW options ----------
//
//*****************************************************************************
//#define LWIP_RAW 1
//#define RAW_TTL (IP_DEFAULT_TTL)
//*****************************************************************************
//
// ---------- DHCP options ----------
//
//*****************************************************************************
#define LWIP_DHCP 1 // default is 0
//#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
//*****************************************************************************
//
// ---------- UPNP options ----------
//
//*****************************************************************************
//#define LWIP_UPNP 0
//*****************************************************************************
//
// ---------- PTPD options ----------
//
//*****************************************************************************
//#define LWIP_PTPD 0
//*****************************************************************************
//
// ---------- AUTOIP options ----------
//
//*****************************************************************************
#define LWIP_AUTOIP 1 // default is 0
#define LWIP_DHCP_AUTOIP_COOP ((LWIP_DHCP) && (LWIP_AUTOIP))
// default is 0
#define LWIP_DHCP_AUTOIP_COOP_TRIES 5 // default is 9
//*****************************************************************************
//
// ---------- SNMP options ----------
//
//*****************************************************************************
//#define LWIP_SNMP 0
//#define SNMP_CONCURRENT_REQUESTS 1
//#define SNMP_TRAP_DESTINATIONS 1
//#define SNMP_PRIVATE_MIB 0
//#define SNMP_SAFE_REQUESTS 1
//*****************************************************************************
//
// ---------- IGMP options ----------
//
//*****************************************************************************
//#define LWIP_IGMP 0
//*****************************************************************************
//
// ---------- DNS options -----------
//
//*****************************************************************************
//#define LWIP_DNS 0
//#define DNS_TABLE_SIZE 4
//#define DNS_MAX_NAME_LENGTH 256
//#define DNS_MAX_SERVERS 2
//#define DNS_DOES_NAME_CHECK 1
//#define DNS_USES_STATIC_BUF 1
//#define DNS_MSG_SIZE 512
//*****************************************************************************
//
// ---------- UDP options ----------
//
//*****************************************************************************
//#define LWIP_UDP 1 //for tftp, this var is needed
//#define LWIP_UDPLITE 0
//#define UDP_TTL (IP_DEFAULT_TTL)
//*****************************************************************************
//
// ---------- TCP options ----------
//
//*****************************************************************************
#define LWIP_TCP 1
//#define TCP_TTL (IP_DEFAULT_TTL)
#define TCP_WND 4096 // default is 2048
//#define TCP_MAXRTX 12
//#define TCP_SYNMAXRTX 6
//#define TCP_QUEUE_OOSEQ 1
#define TCP_MSS 1500 // default is 128
//#define TCP_CALCULATE_EFF_SEND_MSS 1
#define TCP_SND_BUF (6 * TCP_MSS)
// default is 256
#define TCP_SND_QUEUELEN (MEMP_NUM_TCP_SEG)
// default is (4 * (TCP_SND_BUF/TCP_MSS))
//#define TCP_SNDLOWAT (TCP_SND_BUF/2)
//#define TCP_LISTEN_BACKLOG 0
//#define TCP_DEFAULT_LISTEN_BACKLOG 0xff
//*****************************************************************************
//
// ---------- API options ----------
//
//*****************************************************************************
//#define LWIP_EVENT_API 0
//#define LWIP_CALLBACK_API 1
//*****************************************************************************
//
// ---------- Pbuf options ----------
//
//*****************************************************************************
#define PBUF_LINK_HLEN 16 // default is 14
#define PBUF_POOL_BUFSIZE 256
// default is LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
#define ETH_PAD_SIZE 2 // default is 0
//*****************************************************************************
//
// ---------- Network Interfaces options ----------
//
//*****************************************************************************
//#define LWIP_NETIF_HOSTNAME 0
//#define LWIP_NETIF_API 0
//#define LWIP_NETIF_STATUS_CALLBACK 0
//#define LWIP_NETIF_LINK_CALLBACK 0
//#define LWIP_NETIF_HWADDRHINT 0
//*****************************************************************************
//
// ---------- LOOPIF options ----------
//
//*****************************************************************************
//#define LWIP_HAVE_LOOPIF 0
//#define LWIP_LOOPIF_MULTITHREADING 1
//*****************************************************************************
//
// ---------- Thread options ----------
//
//*****************************************************************************
#define TCPIP_THREAD_NAME "tcpip_thread"
#define TCPIP_THREAD_STACKSIZE 1024
#define TCPIP_THREAD_PRIO 3
#define TCPIP_MBOX_SIZE 32
//#define SLIPIF_THREAD_NAME "slipif_loop"
//#define SLIPIF_THREAD_STACKSIZE 0
//#define SLIPIF_THREAD_PRIO 1
//#define PPP_THREAD_NAME "pppMain"
//#define PPP_THREAD_STACKSIZE 0
//#define PPP_THREAD_PRIO 1
//#define DEFAULT_THREAD_NAME "lwIP"
//#define DEFAULT_THREAD_STACKSIZE 0
//#define DEFAULT_THREAD_PRIO 1
//#define DEFAULT_RAW_RECVMBOX_SIZE 0
//#define DEFAULT_UDP_RECVMBOX_SIZE 0
//#define DEFAULT_TCP_RECVMBOX_SIZE 0
//#define DEFAULT_ACCEPTMBOX_SIZE 0
//*****************************************************************************
//
// ---------- Sequential layer options ----------
//
//*****************************************************************************
//#define LWIP_TCPIP_CORE_LOCKING 0
#define LWIP_NETCONN 1 // default is 1
//*****************************************************************************
//
// ---------- Socket Options ----------
//
//*****************************************************************************
#define LWIP_SOCKET 1 // default is 1
#define LWIP_COMPAT_SOCKETS 0
#define LWIP_POSIX_SOCKETS_IO_NAMES 0
#define LWIP_TCP_KEEPALIVE 0
#define LWIP_SO_RCVTIMEO 0
#define LWIP_SO_RCVBUF 0
#define SO_REUSE 0
#define LWIP_PROVIDE_ERRNO 1 //Add for lwip socket errors
//*****************************************************************************
//
// ---------- Statistics options ----------
//
//*****************************************************************************
//#define LWIP_STATS 1
//#define LWIP_STATS_DISPLAY 0
//#define LINK_STATS 1
//#define ETHARP_STATS (LWIP_ARP)
//#define IP_STATS 1
//#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
//#define ICMP_STATS 1
//#define IGMP_STATS (LWIP_IGMP)
//#define UDP_STATS (LWIP_UDP)
//#define TCP_STATS (LWIP_TCP)
//#define MEM_STATS 1
//#define MEMP_STATS 1
//#define SYS_STATS 1
#define LWIP_STATS_LARGE 1
//*****************************************************************************
//
// ---------- PPP options ----------
//
//*****************************************************************************
//#define PPP_SUPPORT 0
//#define PPPOE_SUPPORT 0
//#define PPPOS_SUPPORT PPP_SUPPORT
#if PPP_SUPPORT
//#define NUM_PPP 1
//#define PAP_SUPPORT 0
//#define CHAP_SUPPORT 0
//#define MSCHAP_SUPPORT 0
//#define CBCP_SUPPORT 0
//#define CCP_SUPPORT 0
//#define VJ_SUPPORT 0
//#define MD5_SUPPORT 0
//#define FSM_DEFTIMEOUT 6
//#define FSM_DEFMAXTERMREQS 2
//#define FSM_DEFMAXCONFREQS 10
//#define FSM_DEFMAXNAKLOOPS 5
//#define UPAP_DEFTIMEOUT 6
//#define UPAP_DEFREQTIME 30
//#define CHAP_DEFTIMEOUT 6
//#define CHAP_DEFTRANSMITS 10
//#define LCP_ECHOINTERVAL 0
//#define LCP_MAXECHOFAILS 3
//#define PPP_MAXIDLEFLAG 100
//#define PPP_MAXMTU 1500
//#define PPP_DEFMRU 296
#endif
//*****************************************************************************
//
// ---------- checksum options ----------
//
//*****************************************************************************
//#define CHECKSUM_GEN_IP 1
//#define CHECKSUM_GEN_UDP 1
//#define CHECKSUM_GEN_TCP 1
//#define CHECKSUM_CHECK_IP 1
//#define CHECKSUM_CHECK_UDP 1
//#define CHECKSUM_CHECK_TCP 1
//*****************************************************************************
//
// ---------- Debugging options ----------
//
//*****************************************************************************
#if 0
#define U8_F "c"
#define S8_F "c"
#define X8_F "x"
#define U16_F "u"
#define S16_F "d"
#define X16_F "x"
#define U32_F "u"
#define S32_F "d"
#define X32_F "x"
extern void UARTprintf(const char *pcString, ...);
#define LWIP_DEBUG
#endif
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF
#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_WARNING
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_SERIOUS
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_SEVERE
//#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
#define LWIP_DBG_TYPES_ON (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH)
//#define ETHARP_DEBUG LWIP_DBG_ON // default is OFF
//#define NETIF_DEBUG LWIP_DBG_ON // default is OFF
//#define PBUF_DEBUG LWIP_DBG_OFF
//#define API_LIB_DEBUG LWIP_DBG_OFF
//#define API_MSG_DEBUG LWIP_DBG_OFF
//#define SOCKETS_DEBUG LWIP_DBG_OFF
//#define ICMP_DEBUG LWIP_DBG_OFF
//#define IGMP_DEBUG LWIP_DBG_OFF
//#define INET_DEBUG LWIP_DBG_OFF
//#define IP_DEBUG LWIP_DBG_ON // default is OFF
//#define IP_REASS_DEBUG LWIP_DBG_OFF
//#define RAW_DEBUG LWIP_DBG_OFF
//#define MEM_DEBUG LWIP_DBG_OFF
//#define MEMP_DEBUG LWIP_DBG_OFF
//#define SYS_DEBUG LWIP_DBG_OFF
//#define TCP_DEBUG LWIP_DBG_OFF
//#define TCP_INPUT_DEBUG LWIP_DBG_OFF
//#define TCP_FR_DEBUG LWIP_DBG_OFF
//#define TCP_RTO_DEBUG LWIP_DBG_OFF
//#define TCP_CWND_DEBUG LWIP_DBG_OFF
//#define TCP_WND_DEBUG LWIP_DBG_OFF
//#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
//#define TCP_RST_DEBUG LWIP_DBG_OFF
//#define TCP_QLEN_DEBUG LWIP_DBG_OFF
//#define UDP_DEBUG LWIP_DBG_ON // default is OFF
//#define TCPIP_DEBUG LWIP_DBG_OFF
//#define PPP_DEBUG LWIP_DBG_OFF
//#define SLIP_DEBUG LWIP_DBG_OFF
//#define DHCP_DEBUG LWIP_DBG_ON // default is OFF
//#define AUTOIP_DEBUG LWIP_DBG_OFF
//#define SNMP_MSG_DEBUG LWIP_DBG_OFF
//#define SNMP_MIB_DEBUG LWIP_DBG_OFF
//#define DNS_DEBUG LWIP_DBG_OFF
#endif /* __LWIPOPTS_H__ */
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