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From: "He, ShiyangX" <shiyangx.he@intel.com>
To: "He, ShiyangX" <shiyangx.he@intel.com>,
	"Zhang, Yuying" <yuying.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Zhou, YidingX" <yidingx.zhou@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>,
	"Singh, Aman Deep" <aman.deep.singh@intel.com>,
	"Burakov, Anatoly" <anatoly.burakov@intel.com>,
	"Li, Xiaoyun" <xiaoyun.li@intel.com>,
	Alvin Zhang <alvinx.zhang@intel.com>
Subject: RE: [PATCH] app/testpmd: fix secondary process not forwarding
Date: Fri, 13 Jan 2023 09:07:45 +0000	[thread overview]
Message-ID: <DM6PR11MB3946CB97E9AB9103C5F762EAF7C29@DM6PR11MB3946.namprd11.prod.outlook.com> (raw)
In-Reply-To: <DM6PR11MB3946C4B51142A86C927D7023F7F59@DM6PR11MB3946.namprd11.prod.outlook.com>

@Zhang, Yuying Hi, please take a look at this patch! Are there any comments?

>-----Original Message-----
>From: He, ShiyangX <shiyangx.he@intel.com>
>Sent: Wednesday, January 4, 2023 10:02 AM
>To: Stephen Hemminger <stephen@networkplumber.org>
>Cc: dev@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>;
>stable@dpdk.org; Singh, Aman Deep <aman.deep.singh@intel.com>; Zhang,
>Yuying <yuying.zhang@intel.com>; Burakov, Anatoly
><anatoly.burakov@intel.com>; Li, Xiaoyun <xiaoyun.li@intel.com>; Alvin
>Zhang <alvinx.zhang@intel.com>
>Subject: RE: [PATCH] app/testpmd: fix secondary process not forwarding
>
>>> Under multi-process scenario, the secondary process gets queue state
>>> from the wrong location (the global variable 'ports'). Therefore, the
>>> secondary process can not forward since "stream_init" is not called.
>>>
>>> This commit fixes the issue by calling 'rte_eth_rx/tx_queue_info_get'
>>> to get queue state from shared memory.
>>>
>>> Fixes: a78040c990cb ("app/testpmd: update forward engine beginning")
>>> Cc: stable@dpdk.org
>>>
>>> Signed-off-by: Shiyang He <shiyangx.he@intel.com>
>>
>>Would it be possible to fix this the initialization of ports variable,
>>rather than doing a per-state fixup here?
>
>In multi-process scenario, the secondary process does not initialize the queue
>state in the 'ports' variable, and the ethdev's queue state may be changed by
>any other process, which causes 'ports' queue state of per-process and
>ethdev's queue state are inconsistent. Therefore, getting the queue state
>from ethdev is a feasible way which I can think of.

  reply	other threads:[~2023-01-13  9:07 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-30  7:55 Shiyang He
2022-12-30 17:23 ` Stephen Hemminger
2023-01-04  2:02   ` He, ShiyangX
2023-01-13  9:07     ` He, ShiyangX [this message]
2023-02-08  3:22       ` Zhang, Yuying
2023-02-08  6:38         ` He, ShiyangX
2023-02-20  5:39           ` Zhang, Yuying
2023-02-20 12:45 ` lihuisong (C)
2023-02-21  2:52   ` He, ShiyangX
2023-02-21  6:37     ` lihuisong (C)
2023-02-21  6:51       ` He, ShiyangX
2023-02-21 15:44 ` [PATCH v2] " Shiyang He
2023-02-22  6:20   ` lihuisong (C)
2023-02-23 14:41 ` [PATCH v3] " Shiyang He
2023-02-23  8:08   ` lihuisong (C)
2023-03-06 15:16     ` Ferruh Yigit
2023-03-06 15:05   ` Ferruh Yigit
2023-03-07  3:25     ` He, ShiyangX
2023-03-07 11:41       ` Ferruh Yigit
2023-03-08  2:05         ` He, ShiyangX
2023-03-08  2:54           ` lihuisong (C)
2023-03-08  9:54             ` Ferruh Yigit
2023-03-08 16:19   ` [PATCH v4] " Shiyang He
2023-03-08 10:20     ` Ferruh Yigit

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