patches for DPDK stable branches
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From: "Xing, Beilei" <beilei.xing@intel.com>
To: "Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Wu, Jingjing" <jingjing.wu@intel.com>
Cc: "Anantharam, Arjun" <arjun.anantharam@intel.com>,
	"Miskell, Timothy" <timothy.miskell@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH] net/iavf: fix TSO max segment size
Date: Fri, 26 Mar 2021 01:27:52 +0000
Message-ID: <MN2PR11MB3807890045F074C651D38D7BF7619@MN2PR11MB3807.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20210301075714.1636918-1-qi.z.zhang@intel.com>



> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang@intel.com>
> Sent: Monday, March 1, 2021 3:57 PM
> To: Wu, Jingjing <jingjing.wu@intel.com>
> Cc: Anantharam, Arjun <arjun.anantharam@intel.com>; Miskell, Timothy
> <timothy.miskell@intel.com>; Xing, Beilei <beilei.xing@intel.com>;
> dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; stable@dpdk.org
> Subject: [PATCH] net/iavf: fix TSO max segment size
> 
> According to Intel® AVF spec
> (https://www.intel.com/content/dam/
> www/public/us/en/documents/product-specifications/
> ethernet-adaptive-virtual-function-hardware-spec.pdf)
> section 2.2.2.3:
> The max segment size(MSS) of TSO should not be set lower than 88.
> 
> Fixes: a2b29a7733ef ("net/avf: enable basic Rx Tx")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
> ---
>  drivers/net/iavf/iavf_rxtx.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h index
> 922ddadad1..69979971fd 100644
> --- a/drivers/net/iavf/iavf_rxtx.h
> +++ b/drivers/net/iavf/iavf_rxtx.h
> @@ -34,7 +34,7 @@
>  #define DEFAULT_TX_RS_THRESH     32
>  #define DEFAULT_TX_FREE_THRESH   32
> 
> -#define IAVF_MIN_TSO_MSS          256
> +#define IAVF_MIN_TSO_MSS          88
>  #define IAVF_MAX_TSO_MSS          9668
>  #define IAVF_TSO_MAX_SEG          UINT8_MAX
>  #define IAVF_TX_MAX_MTU_SEG       8
> --
> 2.26.2

Acked-by: Beilei Xing <beilei.xing@intel.com>


  reply	other threads:[~2021-03-26  1:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-01  7:57 Qi Zhang
2021-03-26  1:27 ` Xing, Beilei [this message]
2021-03-26  6:49   ` Zhang, Qi Z

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