netdev - Re: [UDP]: Clean up UDP-Lite receive checksum

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 06 Mar 2007 20:31:59 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	netdev@...r.kernel.org
Subject: Re: [UDP]: Clean up UDP-Lite receive checksum

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Tue, 6 Mar 2007 12:41:00 +1100

> Hi Dave:
> 
> [UDP]: Clean up UDP-Lite receive checksum
> 
> This patch eliminates some duplicate code for the verification of
> receive checksums between UDP-Lite and UDP.  It does this by
> introducing __skb_checksum_complete_head which is identical to
> __skb_checksum_complete_head apart from the fact that it takes
> a length parameter rather than computing the first skb->len bytes.
> 
> As a result UDP-Lite will be able to use hardware checksum offload
> for packets which do not use partial coverage checksums.  It also
> means that UDP-Lite loopback no longer does unnecessary checksum
> verification.
> 
> If any NICs start support UDP-Lite this would also start working
> automatically.
> 
> This patch removes the assumption that msg_flags has MSG_TRUNC clear
> upon entry in recvmsg.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Also applied, thanks a lot.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html