Hello Bala,

I was looking into the issue related to IPv4 checksum update. Then After some 
browsing, I found that below patch.

Within this patch, ip->chksum = 0; is done wherever applicable.

So got a doubt that is this instruction can be added within the API 

Also have expectation doubt of API odph_ipv4_csum_update. Is this API is 
expected to calculate fresh checksum always ?
Actually in few cases there may be requirement of incremental checksum only. So 
are these operations are expected from this API ?

Please provide your input.

Sunil Kumar

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