From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Thomas Monjalon <thomas@monjalon.net>, Huisong Li <lihuisong@huawei.com>
Cc: dev@dpdk.org, ferruh.yigit@intel.com, konstantin.ananyev@intel.com
Subject: Re: [dpdk-dev] [RFC] lib/ethdev: add dev configured flag
Date: Mon, 5 Jul 2021 12:50:10 +0300 [thread overview]
Message-ID: <e0808841-622b-4473-5962-3581cbb4af42@oktetlabs.ru> (raw)
In-Reply-To: <1640815.0OcVWAD7zg@thomas>
Hi Huisong,
On 7/5/21 9:07 AM, Thomas Monjalon wrote:
> 05/07/2021 05:18, Huisong Li:
>> 在 2021/7/5 4:05, Thomas Monjalon 写道:
>>> 08/05/2021 10:00, Huisong Li:
>>>> Currently, if dev_configure is not invoked or fails to be invoked, users
>>>> can still invoke dev_start successfully. This patch adds a "dev_configured"
>>>> flag in "rte_eth_dev_data" to control whether dev_start can be invoked.
>>> [...]
>>>> --- a/lib/ethdev/rte_ethdev_core.h
>>>> +++ b/lib/ethdev/rte_ethdev_core.h
>>>> @@ -167,7 +167,11 @@ struct rte_eth_dev_data {
>>>> scattered_rx : 1, /**< RX of scattered packets is ON(1) / OFF(0) */
>>>> all_multicast : 1, /**< RX all multicast mode ON(1) / OFF(0). */
>>>> dev_started : 1, /**< Device state: STARTED(1) / STOPPED(0). */
>>>> - lro : 1; /**< RX LRO is ON(1) / OFF(0) */
>>>> + lro : 1, /**< RX LRO is ON(1) / OFF(0) */
>>>> + dev_configured : 1;
>>>> + /**< Device configuration state:
>>>> + * CONFIGURED(1) / NOT CONFIGURED(0).
>>>> + */
>>> Why not using "enum rte_eth_dev_state"?
>>> Because rte_eth_dev.state is not shared between processes?
>>
>> It doesn't feel right. "enum rte_eth_dev_state" is private to the
>> primary and secondary processes and can be independently controlled.
>>
>> However, the secondary process does not make resource allocations and
>> does not call dev_configure().
>>
>> These are done by the primary process and can be obtained or used by
>> the secondary process.
>>
>> Like "dev_started" in struct rte_eth_dev_data.
>
> That's a good reason, thanks.
>
Please, send non-RFC version of the patch with fixed summary
(w/o "lib/") and above reason mentioned in the patch
description as well.
next prev parent reply other threads:[~2021-07-05 9:50 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-08 8:00 Huisong Li
2021-05-31 8:51 ` Huisong Li
2021-06-14 15:37 ` Andrew Rybchenko
2021-06-29 2:27 ` Huisong Li
2021-07-02 10:08 ` Andrew Rybchenko
2021-07-02 11:57 ` Ferruh Yigit
2021-07-02 13:23 ` Ananyev, Konstantin
2021-07-03 8:35 ` Huisong Li
2021-07-03 11:04 ` Ananyev, Konstantin
2021-07-05 3:03 ` Huisong Li
2021-07-05 9:50 ` Andrew Rybchenko
2021-07-05 11:22 ` Ananyev, Konstantin
2021-07-06 1:47 ` Huisong Li
2021-07-04 20:05 ` Thomas Monjalon
2021-07-05 3:18 ` Huisong Li
2021-07-05 6:07 ` Thomas Monjalon
2021-07-05 9:50 ` Andrew Rybchenko [this message]
2021-07-06 1:48 ` Huisong Li
2021-07-06 3:24 ` [dpdk-dev] [PATCH V1] ethdev: " Huisong Li
2021-07-06 4:10 ` [dpdk-dev] [PATCH V2] " Huisong Li
2021-07-06 8:36 ` Andrew Rybchenko
2021-07-07 2:55 ` Huisong Li
2021-07-07 8:25 ` Andrew Rybchenko
2021-07-07 9:26 ` Huisong Li
2021-07-07 7:39 ` David Marchand
2021-07-07 8:23 ` Andrew Rybchenko
2021-07-07 9:36 ` David Marchand
2021-07-07 9:59 ` Thomas Monjalon
2021-07-07 10:40 ` David Marchand
2021-07-07 10:57 ` Thomas Monjalon
2021-07-06 17:49 ` Ananyev, Konstantin
2021-07-07 9:53 ` [dpdk-dev] [PATCH V3] " Huisong Li
2021-07-08 9:56 ` David Marchand
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=e0808841-622b-4473-5962-3581cbb4af42@oktetlabs.ru \
--to=andrew.rybchenko@oktetlabs.ru \
--cc=dev@dpdk.org \
--cc=ferruh.yigit@intel.com \
--cc=konstantin.ananyev@intel.com \
--cc=lihuisong@huawei.com \
--cc=thomas@monjalon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).