RE: [PATCH 1/1] Drivers: net-next: hyperv: Adjust the size of sendbuf region to support ws2008r2

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> WS2008R2 is a supported platform and it turns out that the maximum
sendbuf
> size that ws2008R2 can support is only 15MB. Make the necessary
> adjustment.
> 
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
>  drivers/net/hyperv/hyperv_net.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/hyperv/hyperv_net.h
b/drivers/net/hyperv/hyperv_net.h
> index 40ba1ef..459b823 100644
> --- a/drivers/net/hyperv/hyperv_net.h
> +++ b/drivers/net/hyperv/hyperv_net.h
> @@ -584,7 +584,7 @@ struct nvsp_message {
> 
>  #define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024*16)	/* 16MB
> */
>  #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY	(1024*1024*15)  /* 15MB
*/
> -#define NETVSC_SEND_BUFFER_SIZE			(1024 * 1024 *
16)   /* 16MB */
> +#define NETVSC_SEND_BUFFER_SIZE			(1024 * 1024 *
15)   /* 15MB */

Would it be possible to use separate ifdefs depending on the version of
the Hyper-V host so we can maintain the 16MB buffer for hosts that
support it and leave it at 15MB for hosts that don't support that large
of a buffer? 

>  #define NETVSC_INVALID_INDEX			-1
> 
> 
> --
> 1.7.4.1
> 
> --
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