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| From: | address@hidden |
| Subject: | Re: [lwip-users] TCP keeps re-transmitting but no ACK packet after SYN, SYN+ACK |
| Date: | Mon, 06 Apr 2015 15:20:41 +0200 |
| User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
Mohsin wrote:
Actually, I don't calculate IP checksums in hardware but in software
I think Sergio simply got confused by you saying "For ethernet packets, I'm claculating checksum in hardware". Now I guess you meant the CRC with that?
Still I'm unable to find the cause of IP checksum error in my implementation
Try setting adding the line "#define LWIP_INLINE_IP_CHKSUM 0" to your lwipopts.h. Maybe there's something wrong with the checksum-inlining code on your CPU (isn't it a 16-bit one?)...
Simon
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