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From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: "Xueming(Steven) Li" <xuemingl@mellanox.com>
Cc: Shahaf Shuler <shahafs@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 7/7] net/mlx5: add parameter for port representors
Date: Wed, 13 Jun 2018 15:11:27 +0200	[thread overview]
Message-ID: <20180613131126.GE4025@6wind.com> (raw)
In-Reply-To: <AM5PR0501MB24201A065E42988126C4E8CFAC7F0@AM5PR0501MB2420.eurprd05.prod.outlook.com>

On Tue, Jun 12, 2018 at 02:44:12PM +0000, Xueming(Steven) Li wrote:
<snip>
> > +	if (dpdk_dev->devargs) {
> > +		ret = rte_eth_devargs_parse(dpdk_dev->devargs->args, &eth_da);
> > +		if (ret)
> > +			goto error;
> > +	} else {
> > +		memset(&eth_da, 0, sizeof(eth_da));
> > +	}
> >  next:
> > +	if (j) {
> > +		unsigned int k;
> > +
> > +		for (k = 0; k < eth_da.nb_representor_ports; ++k)
> > +			if (eth_da.representor_ports[k] == j - 1)
> > +				break;
> > +		if (k == eth_da.nb_representor_ports)
> > +			goto skip;
> > +	}
> >  	errno = 0;
> >  	ctx = mlx5_glue->open_device(ibv_dev[j]);
> >  	if (!ctx) {
> > @@ -1187,6 +1211,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
> >  			goto error;
> >  		++n;
> >  	}
> > +skip:
> >  	if (ibv_dev[++j])
> >  		goto next;
> 
> int rte_eth_dev_attach(const char *devargs, uint16_t *port_id);
> The rte_eth_dev_attach api attach one device a time as only one *port_id parameter.
> Dev argument "82:0.0,representer[a-b] will register multiple devices in one call,
> is this correct behavior?

Yes, this is how the representor argument is documented and supposed to be
used. This probing approach is obviously not compatible with representors
hot-plugging, for which something will have to be devised if needed.

> I ask this because this caused testpmd CLI "port attach" 
> crash due to only the last registered port id returned.

I reproduced this crash and determined it is caused by a bug in
testpmd. I'll submit a separate fix for it.

-- 
Adrien Mazarguil
6WIND

  reply	other threads:[~2018-06-13 13:11 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-25 16:35 [dpdk-dev] [PATCH 0/7] net/mlx5: add port representor support Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 1/7] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-06-10 11:00   ` Xueming(Steven) Li
2018-06-12 13:19     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 2/7] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-06-10 11:00   ` Xueming(Steven) Li
2018-06-12 13:19     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 3/7] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-06-10 12:59   ` Xueming(Steven) Li
2018-06-12 13:20     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 4/7] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-06-11 11:42   ` Xueming(Steven) Li
2018-05-25 16:35 ` [dpdk-dev] [PATCH 5/7] net/mlx5: add port representor awareness Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 6/7] net/mlx5: probe all port representors Adrien Mazarguil
2018-06-12  6:42   ` Xueming(Steven) Li
2018-06-12 13:20     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 7/7] net/mlx5: add parameter for " Adrien Mazarguil
2018-06-12  8:02   ` Xueming(Steven) Li
2018-06-12 13:20     ` Adrien Mazarguil
2018-06-12 13:43       ` Xueming(Steven) Li
2018-06-14  8:01         ` Adrien Mazarguil
2018-06-12 14:44   ` Xueming(Steven) Li
2018-06-13 13:11     ` Adrien Mazarguil [this message]
2018-06-14  8:34 ` [dpdk-dev] [PATCH v2 0/7] net/mlx5: add port representor support Adrien Mazarguil
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 1/7] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-06-16  8:24     ` Xueming(Steven) Li
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 2/7] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-06-16  8:27     ` Xueming(Steven) Li
2018-06-17 10:14     ` Shahaf Shuler
2018-06-27 13:30       ` Adrien Mazarguil
2018-06-28  5:35         ` Shahaf Shuler
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 3/7] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-06-16  8:29     ` Xueming(Steven) Li
2018-06-17 10:14     ` Shahaf Shuler
2018-06-27 13:31       ` Adrien Mazarguil
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 4/7] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 5/7] net/mlx5: add port representor awareness Adrien Mazarguil
2018-06-16  8:37     ` Xueming(Steven) Li
2018-06-27 13:32       ` Adrien Mazarguil
2018-06-14  8:35   ` [dpdk-dev] [PATCH v2 6/7] net/mlx5: probe all port representors Adrien Mazarguil
2018-06-16  8:57     ` Xueming(Steven) Li
2018-06-17 10:15       ` Shahaf Shuler
2018-06-24 13:33         ` Shahaf Shuler
2018-06-27 13:32           ` Adrien Mazarguil
2018-06-28  5:57             ` Shahaf Shuler
2018-06-28  9:13               ` Adrien Mazarguil
2018-06-27 13:32         ` Adrien Mazarguil
2018-06-27 17:30           ` Xueming(Steven) Li
2018-06-28  6:01           ` Shahaf Shuler
2018-06-28  8:45             ` Adrien Mazarguil
2018-06-28  9:06               ` Shahaf Shuler
2018-06-27 13:32       ` Adrien Mazarguil
2018-06-14  8:35   ` [dpdk-dev] [PATCH v2 7/7] net/mlx5: add parameter for " Adrien Mazarguil
2018-06-16  8:59     ` Xueming(Steven) Li
2018-07-04 17:27   ` [dpdk-dev] [PATCH v3 00/10] net/mlx5: add port representor support Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 01/10] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 02/10] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 03/10] net/mlx5: drop useless support for several Verbs ports Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 04/10] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 05/10] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 06/10] net/mlx5: add port representor awareness Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 07/10] net/mlx5: probe all port representors Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 08/10] net/mlx5: probe port representors in natural order Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 09/10] net/mlx5: add parameter for port representors Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 10/10] net/mlx5: support negative identifiers " Adrien Mazarguil
2018-07-05  8:45     ` [dpdk-dev] [PATCH v4 00/10] net/mlx5: add port representor support Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 01/10] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 02/10] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 03/10] net/mlx5: drop useless support for several Verbs ports Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 04/10] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 05/10] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 06/10] net/mlx5: add port representor awareness Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 07/10] net/mlx5: probe all port representors Adrien Mazarguil
2018-07-09 11:57         ` Shahaf Shuler
2018-07-10  9:37           ` Adrien Mazarguil
2018-07-10 10:13             ` Shahaf Shuler
2018-07-10 10:58               ` Adrien Mazarguil
2018-07-10 11:17                 ` Shahaf Shuler
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 08/10] net/mlx5: probe port representors in natural order Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 09/10] net/mlx5: add parameter for port representors Adrien Mazarguil
2018-07-09 11:57         ` Shahaf Shuler
2018-07-10  9:37           ` Adrien Mazarguil
2018-07-10 10:16             ` Shahaf Shuler
2018-07-10 10:58               ` Adrien Mazarguil
2018-07-10 11:15                 ` Shahaf Shuler
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 10/10] net/mlx5: support negative identifiers " Adrien Mazarguil
2018-07-09 11:58         ` Shahaf Shuler
2018-07-10  9:37           ` Adrien Mazarguil
2018-07-10 16:04       ` [dpdk-dev] [PATCH v5 00/10] net/mlx5: add port representor support Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 01/10] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 02/10] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 03/10] net/mlx5: drop useless support for several Verbs ports Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 04/10] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 05/10] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 06/10] net/mlx5: add port representor awareness Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 07/10] net/mlx5: probe all port representors Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 08/10] net/mlx5: probe port representors in natural order Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 09/10] net/mlx5: add parameter for port representors Adrien Mazarguil
2018-07-10 16:05         ` [dpdk-dev] [PATCH v5 10/10] net/mlx5: support negative identifiers " Adrien Mazarguil
2018-07-12  7:51         ` [dpdk-dev] [PATCH v5 00/10] net/mlx5: add port representor support Shahaf Shuler

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