[lwip-users] DHCP OK but TCP not? (Chen)

[Chen]

This seems to be some memory management/conflict problem
between FreeRTOS, lwIP and AVR

Will report if I can pin-point the problem


> Message: 2
> Date: Tue, 18 Sep 2012 12:54:08 -0400
> From: Chen <address@hidden>
> To: address@hidden
> Subject: [lwip-users] DHCP OK but TCP not?
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset="us-ascii";
> Format="flowed"
>
> Hi there,
>
> I have been developing my project using static IP and every works 
> great, now I wanted to turn on DHCP
>
> Bad news, DHCP got the IP assigned, but I can't connect to it via TCP
> anymore (UDP works fine), and the only difference in codes are
>
>     if (DHCP){
>          //This gets the IP, but
> I can't open via TCP
>            
> IP4_ADDR( &xIpAddr,0,0,0,0 );
>            
> IP4_ADDR( &xNetMask,255,255,255,0 );
>            
> IP4_ADDR( &xGateway,0,0,0,0 );
>            
> netif_add( &MACB_if, &xIpAddr, &xNetMask, &xGateway,
> NULL, ethernetif_init, tcpip_input );
>
>            
> netif_set_default( &MACB_if );
>
>            
> dhcp_start(&MACB_if);
>     }
>     else{
>          //This works
> perfectly
>            
> IP4_ADDR( &xIpAddr,myIP[0],myIP[1],myIP[2],myIP[3]);
>            
> IP4_ADDR( &xNetMask,255,255,255,0 );
>            
> IP4_ADDR( &xGateway,0,0,0,0 );
>            
> netif_add( &MACB_if, &xIpAddr, &xNetMask, &xGateway,
> NULL, ethernetif_init, tcpip_input );
>
>            
> netif_set_default( &MACB_if );
>            
> netif_set_up( &MACB_if );
>     }
>
> ......
> //If DHCP is used, it will not returned from this call
> clientfd = lwip_accept(lSocket, (struct sockaddr*)&client_addr, 
> (socklen_t)&addrlen);
>
>
> I am using lwip 1.32 on AVR32. Is there a known bug like this?
>
> Thanks for your time!