Re: [PATCH v3] net: dccp: Checksum verification enhancement

David Miller <[email protected]>
Newsgroups org.kernel.vger.dccp,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <[email protected]> 
From: <[email protected]>
Date: Tue, 30 Apr 2019 16:11:07 +0000

> The current patch modifies the checksum verification of a received DCCP
> packet, by adding the function __skb_checksum_validate into the
> dccp_vX_rcv routine. The purpose of the modification is to allow the
> verification of the skb->ip_summed flags during the checksum validation
> process (for checksum offload purposes). As __skb_checksum_validate
> covers the functionalities of skb_checksum and dccp_vX_csum_finish they
> are needless and therefore removed.
> 
> Signed-off-by: Nathalie Romo Moreno <[email protected]>
> Signed-off-by: Markus Amend <[email protected]>

I don't see how this can be correct as you're not taking the csum
coverage value into consideration at all.
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