>> net...@vger.kernel.org; KY Srinivasan; o...@aepfle.de;
>> jasow...@redhat.com; linux-kernel@vger.kernel.org; driverdev-
>> de...@linuxdriverproject.org
>> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
>> Scaling (vRSS)
>>
>>
hat.com; linux-kernel@vger.kernel.org; driverdev-
> de...@linuxdriverproject.org
> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
> Scaling (vRSS)
>
> Patch is below. This version did most pre-computation of the variants I built,
> but results in lar
From: Tom Herbert
Date: Thu, 19 Dec 2013 13:43:06 -0800
> + u32 v, r;
> + int off, rem;
> +
> + off = idx / 8;
> + rem = idx % 8;
> +
> + v = (((unsigned int)key[off]) << 24) +
> + (((unsigned int)key[off + 1]) << 16) +
> + (((unsigned int)key[off
On Thu, 2013-12-19 at 13:43 -0800, Tom Herbert wrote:
> Patch is below. This version did most pre-computation of the variants
> I built, but results in largest table (40*256*4 bytes), This gives
> performance roughly comparable with jhash (roughly same as jhash for
> IPv4, about 30% more cycles for
>> Sent: Thursday, December 19, 2013 2:59 PM
>> To: Haiyang Zhang
>> Cc: Daniel Borkmann; Ben Hutchings; da...@davemloft.net;
>> net...@vger.kernel.org; KY Srinivasan; o...@aepfle.de;
>> jasow...@redhat.com; linux-kernel@vger.kernel.org; driverdev-
>> de...@linuxdriverproject.org
hat.com; linux-kernel@vger.kernel.org; driverdev-
> de...@linuxdriverproject.org
> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
> Scaling (vRSS)
>
> I posted an implementation of library functions for Toeplitz (see [PATCH 1/2]
> net: Toeplitz libr
om; linux-
>> ker...@vger.kernel.org; driverdev-de...@linuxdriverproject.org
>> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
>> Scaling (vRSS)
>>
>> On 12/19/2013 07:36 PM, Haiyang Zhang wrote:
>>
>> > Thank you for the su
.com; linux-
> ker...@vger.kernel.org; driverdev-de...@linuxdriverproject.org
> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
> Scaling (vRSS)
>
> On 12/19/2013 07:36 PM, Haiyang Zhang wrote:
>
> > Thank you for the suggestions! I will re-write the send queue
&
On 12/19/2013 07:36 PM, Haiyang Zhang wrote:
Thank you for the suggestions! I will re-write the send queue selection, enhance
the hash calculation, also fix the initialization sequence.
Btw, Toeplitz hash function should either go into lib/hash.c as well or
include/linux/hash.h to avoid ending
el@vger.kernel.org;
> driverdev-de...@linuxdriverproject.org
> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
> Scaling (vRSS)
>
> On Wed, 2013-12-18 at 14:21 -0800, Haiyang Zhang wrote:
> > This feature allows multiple channels to be used by each virtual NIC.
&
On Wed, 2013-12-18 at 14:21 -0800, Haiyang Zhang wrote:
> This feature allows multiple channels to be used by each virtual NIC.
> It is available on Hyper-V host 2012 R2.
[...]
> --- a/drivers/net/hyperv/netvsc.c
> +++ b/drivers/net/hyperv/netvsc.c
[...]
> @@ -525,15 +535,21 @@ int netvsc_send(stru
This feature allows multiple channels to be used by each virtual NIC.
It is available on Hyper-V host 2012 R2.
Signed-off-by: Haiyang Zhang
Reviewed-by: K. Y. Srinivasan
---
drivers/net/hyperv/hyperv_net.h | 159 ++
drivers/net/hyperv/netvsc.c | 120 +++
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