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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Andrew Rybchenko <arybchenko@solarflare.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	dev@dpdk.org
Cc: "Morten Brørup" <mb@smartsharesystems.com>,
	"Benoit Ganne" <bganne@cisco.com>
Subject: Re: [dpdk-dev] [PATCH 2/2] ethdev: allow unknown link speed
Date: Thu, 16 Apr 2020 14:42:44 +0100	[thread overview]
Message-ID: <42de4bd1-0a6c-6591-cd27-67ce692fabc9@intel.com> (raw)
In-Reply-To: <e3a3cc8f-9ed8-b352-f471-02ccc5edf658@solarflare.com>

On 4/13/2020 3:26 PM, Andrew Rybchenko wrote:
> On 4/8/20 1:26 AM, Thomas Monjalon wrote:
>> When querying the link informations, the link status is
>> a mandatory major information.
>> Other boolean values are supposed to be accurate:
>> 	- duplex mode (half/full)
>> 	- negotiation (auto/fixed)
>>
>> This API update is making explicit that the link speed information
>> is optional.
>> The value ETH_SPEED_NUM_NONE (0) was already part of the API.
>> The value ETH_SPEED_NUM_UNKNOWN (infinite) is added to cover
>> two different cases:
>> 	- speed is not known by the driver
>> 	- device is virtual
>>
>> Suggested-by: Morten Brørup <mb@smartsharesystems.com>
>> Suggested-by: Benoit Ganne <bganne@cisco.com>
>> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> 
> I'm afraid it requires more efforts to keep things consistent,
> e.g.:
>  - printing of link speed in proc-info
>  - comparison of rate vs link_speed in testpmd
>  - printing of link speed in testpmd as %u Mbps
>  - division by 1000 in test-pipeline
>  - link speed printing in doc/guides/sample_app_ug/link_status_intr.rst
>  - link speed printing in many-many examples
> 
> IMHO, it is not nice to print UING32_MAX and let use
> guess what it means.
> 

+1

Hi Thomas,

The two patches in the set seems unrelated, and first one looks OK, do you want
to separate them so that this doesn't block that one?

  reply	other threads:[~2020-04-16 13:42 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-01  9:33 [dpdk-dev] [RFC] ethdev: use special speed for virtual Ethernet devices Morten Brørup
2020-04-01  9:53 ` Thomas Monjalon
2020-04-01 10:03   ` Benoit Ganne (bganne)
2020-04-01 10:06   ` [dpdk-dev] [RFC] ethdev: use special speed for virtual Ethernetdevices Morten Brørup
2020-04-02 12:54     ` Ivan Dyukov
2020-04-02 13:50       ` Morten Brørup
2020-04-02 15:29         ` Stephen Hemminger
2020-04-02 20:41         ` Ivan Dyukov
2020-04-02 20:58           ` Thomas Monjalon
2020-04-03  8:05             ` Ivan Dyukov
2020-04-03  9:45               ` Morten Brørup
2020-04-03 11:01                 ` Thomas Monjalon
2020-04-07 22:26                 ` [dpdk-dev] [PATCH 0/2] ethdev link speed Thomas Monjalon
2020-04-07 22:26                   ` [dpdk-dev] [PATCH 1/2] ethdev: deduplicate functions to get link infos Thomas Monjalon
2020-04-08  5:21                     ` Asaf Penso
2020-04-08 12:49                       ` Thomas Monjalon
2020-04-13 14:14                     ` Andrew Rybchenko
2020-04-07 22:26                   ` [dpdk-dev] [PATCH 2/2] ethdev: allow unknown link speed Thomas Monjalon
2020-04-08  5:39                     ` Jerin Jacob
2020-04-10 10:53                     ` Morten Brørup
2020-04-13 14:26                     ` Andrew Rybchenko
2020-04-16 13:42                       ` Ferruh Yigit [this message]
2020-04-26 11:44                     ` Matan Azrad

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