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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: Thierry Herbelot <thierry.herbelot@6wind.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: Laurent Hardy <laurent.hardy@6wind.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	"stable@dpdk.org" <stable@dpdk.org>,
	"Xing, Beilei" <beilei.xing@intel.com>
Subject: Re: [dpdk-stable] [PATCH] net/i40e: set speed to undefined for default case in link update
Date: Tue, 17 Sep 2019 02:40:29 +0000
Message-ID: <039ED4275CED7440929022BC67E7061153D97B01@SHSMSX105.ccr.corp.intel.com> (raw)
In-Reply-To: <2121840c6dc59bcd1caffa8f4c8428fed5d667a7.1568216789.git.thierry.herbelot@6wind.com>



> -----Original Message-----
> From: Thierry Herbelot [mailto:thierry.herbelot@6wind.com]
> Sent: Thursday, September 12, 2019 12:03 AM
> To: dev@dpdk.org
> Cc: Laurent Hardy <laurent.hardy@6wind.com>; Thomas Monjalon
> <thomas@monjalon.net>; stable@dpdk.org; Xing, Beilei
> <beilei.xing@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Subject: [PATCH] net/i40e: set speed to undefined for default case in link
> update
> 
> From: Laurent Hardy <laurent.hardy@6wind.com>
> 
> During PF/VF link update, a default speed value of 100M will be set if
> get_link_info has failed or speed is unknown.
> 
> Consequently if PF is put in no-carrier state, VFs will switch to "in carrier" state
> due to a link up + a link speed set to 100M (default value if no speed detected).
> 
> To be consistent with linux drivers on which PF and VFs are in same carrier
> state, sets default speed to undefined (instead of 100M) and updates a link
> status of VF only if link is up and speed is different from undefined.
> 
> Fixes: 4861cde46116 ('i40e: new poll mode driver')
> Cc: stable@dpdk.org
> Cc: beilei.xing@intel.com
> Cc: qi.z.zhang@intel.com
> 
> Signed-off-by: Laurent Hardy <laurent.hardy@6wind.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>


  reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 16:02 Thierry Herbelot
2019-09-17  2:40 ` Zhang, Qi Z [this message]
2019-09-30 10:53 ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong

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