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[lwip-devel] [bug #29763] CHECKSUM_GEN_IP_INLINE - AVR32

From: juan schiavoni
Subject: [lwip-devel] [bug #29763] CHECKSUM_GEN_IP_INLINE - AVR32
Date: Mon, 03 May 2010 23:22:51 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.9 Safari/533.2


                 Summary: CHECKSUM_GEN_IP_INLINE - AVR32
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: jjsch
            Submitted on: Mon 03 May 2010 11:22:50 PM GMT
                Category: IPv4
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: CVS Head



Hi, I download the source code of lwip from the cvs, and port to the avr32
framework of Atmel, and found that checksum of IP header has wrong values when
the CHECKSUM_GEN_IP_INLINE is defined to one. If I do iphdr->_chksum += 0x7F8;
the checksum is good. 
Thanks in advance, 


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