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From: Stephen Hemminger <stephen@networkplumber.org>
To: Andrew Rybchenko <arybchenko@solarflare.com>
Cc: <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC 09/14] sfc: use new rte_eth_link helpers
Date: Mon, 17 Jul 2017 09:02:29 -0700	[thread overview]
Message-ID: <20170717090229.48abee36@xeon-e3> (raw)
In-Reply-To: <60caca67-cfb9-c474-7fa9-faa7752fdaf1@solarflare.com>

On Sun, 16 Jul 2017 16:48:50 +0300
Andrew Rybchenko <arybchenko@solarflare.com> wrote:

> On 07/14/2017 09:30 PM, Stephen Hemminger wrote:
> > Use the new API (_rte_eth_link_update) to handle link status update.
> > ALso fixes a bug where this driver was not returning -1 when link status changed.  
> 
> It is really good that you raise it, since:
>   -  as far as I can see the return value of the link_update is never used
>   - return value is not described and it is unclear what is meant by "link
>      status changed" since initial point is unspecified
> 
> We have interpreted link status change as change in data->dev_link
> made in the current execution flow, but not in parallel execution flow.

All drivers must do the same thing. Private interpretation is not good.

  reply	other threads:[~2017-07-17 16:02 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-14 18:30 [dpdk-dev] [RFC 00/14] link status API improvement and bugfixes Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 01/14] ethdev: add link status read/write functions Stephen Hemminger
2017-07-16 13:26   ` Andrew Rybchenko
2017-07-17 15:58     ` Stephen Hemminger
2017-07-17 16:12       ` Andrew Rybchenko
2017-07-17 16:21         ` Stephen Hemminger
2017-07-17 16:31           ` Andrew Rybchenko
2017-10-11  8:32   ` Yang, Qiming
2017-10-13 15:12     ` Stephen Hemminger
2018-01-05 14:24       ` Thomas Monjalon
2018-01-05 20:15         ` Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 02/14] virtio: use eth_link_read/write (and bug fix) Stephen Hemminger
2017-07-16 12:33   ` Andrew Rybchenko
2017-07-17 16:01     ` Stephen Hemminger
2017-07-17 16:14       ` [dpdk-dev] ***Spam*** " Andrew Rybchenko
2017-07-17 16:28         ` [dpdk-dev] " Stephen Hemminger
2018-01-05 15:04           ` Thomas Monjalon
2017-07-14 18:30 ` [dpdk-dev] [RFC 03/14] bnxt: use rte_link_update Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 04/14] vmxnet3: use rte_eth_link_update Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 05/14] dpaa2: " Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 06/14] nfp: " Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 07/14] e1000: " Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 08/14] ixgbe: " Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 09/14] sfc: use new rte_eth_link helpers Stephen Hemminger
2017-07-16 13:48   ` Andrew Rybchenko
2017-07-17 16:02     ` Stephen Hemminger [this message]
2017-07-17 16:19       ` Andrew Rybchenko
2017-07-14 18:30 ` [dpdk-dev] [RFC 10/14] i40e: use rte_eth_link_update (and bug fix) Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 11/14] liquidio: use _rte_eth_link_update Stephen Hemminger
2017-07-18 10:17   ` Shijith Thotton
2017-07-14 18:30 ` [dpdk-dev] [RFC 12/14] thunderx: " Stephen Hemminger
2017-07-14 18:30 ` [dpdk-dev] [RFC 13/14] szedata: " Stephen Hemminger
2017-07-16 12:46   ` Andrew Rybchenko
2017-07-14 18:30 ` [dpdk-dev] [RFC 14/14] enic: " Stephen Hemminger
2017-07-16 13:55 ` [dpdk-dev] [RFC 00/14] link status API improvement and bugfixes Andrew Rybchenko
2018-01-05 14:29 ` Thomas Monjalon
2018-01-05 20:18   ` Stephen Hemminger

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