netdev - RE: [PATCH v2 net] smsc95xx: Support only IPv4 TCP/UDP csum offload

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Message-ID: <CE371C1263339941885964188A0225FA30A119@CHN-SV-EXMX03.mchp-main.com>
Date:   Tue, 23 May 2017 12:06:09 +0000
From:   <Nisar.Sayed@...rochip.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <UNGLinuxDriver@...rochip.com>,
        <steve.glendinning@...well.net>, <popcornmix@...il.com>
Subject: RE: [PATCH v2 net] smsc95xx: Support only IPv4 TCP/UDP csum offload

> > When TX checksum offload is used, if the computed checksum is 0 the
> > LAN95xx device do not alter the checksum to 0xffff.  In the case of ipv4
> > UDP checksum, it indicates to receiver that no checksum is calculated.
> > Under ipv6, UDP checksum yields a result of zero must be changed to
> > 0xffff. Hence disabling checksum offload for ipv6 packets.
> >
> > Signed-off-by: Nisar Sayed <Nisar.Sayed@...rochip.com>
> >
> > Reported-by: popcorn mix <popcornmix@...il.com>
> 
> Appied, thanks.

Thanks.