Date: Thu, 30 Dec 2010 16:56:28 -0800 From: Pyun YongHyeon <pyunyh@gmail.com> To: "Sreekanth M." <kanthms@netlogicmicro.com> Cc: freebsd-net@freebsd.org Subject: Re: msk driver rxcsum issue Message-ID: <20101231005628.GH16411@michelle.cdnetworks.com> In-Reply-To: <9F4F5E1D3FF7D94388F341BE8819BA3D9B553B@orion8.netlogicmicro.com> References: <9F4F5E1D3FF7D94388F341BE8819BA3D9B553B@orion8.netlogicmicro.com>
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[-- Attachment #1 --]
On Wed, Dec 29, 2010 at 12:35:51AM -0800, Sreekanth M. wrote:
> Hi,
>
>
>
> I am Sreekanth from Netlogic microsystems.
>
>
>
> I am having an issue with msk driver.
>
> It is related to rxcsum.
>
> In freebsd 9, rxcsum is enabled in default for the device I am using on
> XLS MIPS board.
>
> >From hardware id it is known that chip id is: CHIP_ID_YUKON_EC.
>
>
>
> Though I am able to ping to this port, ssh (TCP) is not working.
>
>
>
> If I disable the rxcsum through the command
>
> "Ifconfig msk0 -rxcsum"
>
> It works. i.e ssh command works fine.
>
>
Would you try attached patch and let me know how it goes on MIPS?
[-- Attachment #2 --]
Index: sys/dev/msk/if_msk.c
===================================================================
--- sys/dev/msk/if_msk.c (revision 216827)
+++ sys/dev/msk/if_msk.c (working copy)
@@ -3070,7 +3070,7 @@
default:
return;
}
- csum = ntohs(sc_if->msk_csum & 0xFFFF);
+ csum = bswap16(sc_if->msk_csum & 0xFFFF);
/* Checksum fixup for IP options. */
len = hlen - sizeof(struct ip);
if (len > 0) {
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