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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: "Loftus, Ciara" <ciara.loftus@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "stephen@networkplumber.org" <stephen@networkplumber.org>,
	"Burakov, Anatoly" <anatoly.burakov@intel.com>,
	"Singh, Aman Deep" <aman.deep.singh@intel.com>
Subject: Re: [PATCH v4] net/af_xdp: re-enable secondary process support
Date: Thu, 10 Feb 2022 16:06:35 +0000	[thread overview]
Message-ID: <daeb5710-6541-6743-3ba0-66e201b3a5be@intel.com> (raw)
In-Reply-To: <PH0PR11MB4791799CDD0CF7D0047B62748E2F9@PH0PR11MB4791.namprd11.prod.outlook.com>

On 2/10/2022 3:40 PM, Loftus, Ciara wrote:
>> Subject: Re: [PATCH v4] net/af_xdp: re-enable secondary process support
>>
>> On 2/9/2022 9:48 AM, Ciara Loftus wrote:
>>> Secondary process support had been disabled for the AF_XDP PMD
>> because
>>> there was no logic in place to share the AF_XDP socket file descriptors
>>> between the processes. This commit introduces this logic using the IPC
>>> APIs.
>>>
>>> Rx and Tx are disabled in the secondary process due to memory mapping of
>>> the AF_XDP rings being assigned by the kernel in the primary process only.
>>> However other operations including retrieval of stats are permitted.
>>>
>>> Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
>>>
>>
>> Hi Ciara,
>>
>> When I tried to test the patch getting following error [1], it doesn't look
>> related to this patch but can you help to fix the issue, thanks.
>>
>> [1]
>> libxdp: Couldn't find a BPF file with name xsk_def_xdp_prog.o
>> xsk_configure(): Failed to create xsk socket.
>> eth_rx_queue_setup(): Failed to configure xdp socket
>> Fail to configure port 2 rx queues
>> EAL: Error - exiting with code: 1
> 
> 
> Hi Ferruh,
> 
> This file should be generated when libxdp is compiled.
> Mine is located @ /usr/local/lib/bpf/xsk_def_xdp_prog.o
> Can you check if that file is there for you? It could be in /usr/local/lib64/bpf/ on your machine.
> What kernel are you running on?
> 

It is in: /usr/local/lib64/bpf/xsk_def_xdp_prog.o

I had to compile libxdp from source because OS package version was old
to work with af_xdp.
Is something required to point location of this file to af_xdp PMD?

I run kernel:
5.15.16-200.fc35.x86_64



  reply	other threads:[~2022-02-10 16:07 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-10 15:32 [RFC PATCH] net/af_xdp: reenable " Ciara Loftus
2021-12-11 21:49 ` Stephen Hemminger
2022-01-12  7:54 ` [PATCH] net/af_xdp: re-enable " Ciara Loftus
2022-02-04 12:54   ` [PATCH v2] " Ciara Loftus
2022-02-04 14:18     ` Ferruh Yigit
2022-02-07  7:49       ` Loftus, Ciara
2022-02-07 10:27         ` Ferruh Yigit
2022-02-07 11:39           ` Loftus, Ciara
2022-02-08 10:58             ` Ferruh Yigit
2022-02-08 13:48     ` [PATCH v3] " Ciara Loftus
2022-02-08 17:45       ` Stephen Hemminger
2022-02-08 18:00         ` Ferruh Yigit
2022-02-08 18:42           ` Stephen Hemminger
2022-02-08 18:56             ` Ferruh Yigit
2022-02-09  7:41               ` Loftus, Ciara
2022-02-09  9:48       ` [PATCH v4] " Ciara Loftus
2022-02-09 15:29         ` Stephen Hemminger
2022-02-11 13:32           ` Ferruh Yigit
2022-02-09 17:55         ` Ferruh Yigit
2022-02-10 15:08           ` Ferruh Yigit
2022-02-10 15:19         ` Ferruh Yigit
2022-02-10 15:40           ` Loftus, Ciara
2022-02-10 16:06             ` Ferruh Yigit [this message]
2022-02-10 17:47               ` Loftus, Ciara
2022-02-10 20:12                 ` Ferruh Yigit
2022-02-11  7:28                   ` Loftus, Ciara
2022-02-11  9:26                     ` Loftus, Ciara
2022-02-11 12:29                       ` Ferruh Yigit
2022-02-11 13:01                         ` Loftus, Ciara
2022-02-11 13:07                           ` Ferruh Yigit
2022-02-11 15:32                             ` Loftus, Ciara
2022-02-16 11:23                               ` Loftus, Ciara
2022-02-11 11:31                     ` Ferruh Yigit
2022-02-17 12:44         ` David Marchand
2022-02-17 12:47           ` Ferruh Yigit
2022-02-17 12:53             ` David Marchand

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