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From: Leon Romanovsky <leon@kernel.org>
To: Jiri Pirko <jiri@resnulli.us>
Cc: Saeed Mahameed <saeed@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>,
	Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Jianbo Liu <jianbol@nvidia.com>
Subject: Re: [net 09/15] net/mlx5e: Forbid devlink reload if IPSec rules are offloaded
Date: Tue, 28 Nov 2023 18:08:49 +0200	[thread overview]
Message-ID: <20231128160849.GA6535@unreal> (raw)
In-Reply-To: <ZWXW5o9XIb0RHpkb@nanopsycho>

On Tue, Nov 28, 2023 at 01:02:46PM +0100, Jiri Pirko wrote:
> Wed, Nov 22, 2023 at 12:28:32PM CET, leon@kernel.org wrote:
> >On Wed, Nov 22, 2023 at 10:50:37AM +0100, Jiri Pirko wrote:
> >> Wed, Nov 22, 2023 at 10:35:46AM CET, leon@kernel.org wrote:
> >> >On Wed, Nov 22, 2023 at 10:13:45AM +0100, Jiri Pirko wrote:
> >> >> Wed, Nov 22, 2023 at 02:47:58AM CET, saeed@kernel.org wrote:
> >> >> >From: Jianbo Liu <jianbol@nvidia.com>
> 
> [...]
> 
> 
> >while we are in eswitch. It is skipped in lines 1556-1558:
> >
> >  1548 static void
> >  1549 mlx5e_vport_rep_unload(struct mlx5_eswitch_rep *rep)
> >  1550 {
> >  1551         struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
> >  1552         struct net_device *netdev = rpriv->netdev;
> >  1553         struct mlx5e_priv *priv = netdev_priv(netdev);
> >  1554         void *ppriv = priv->ppriv;
> >  1555
> >  1556         if (rep->vport == MLX5_VPORT_UPLINK) {
> >  1557                 mlx5e_vport_uplink_rep_unload(rpriv);
> >  1558                 goto free_ppriv;
> >  1559         }
> 
> Uplink netdev is created and destroyed by a different code:
> mlx5e_probe()
> mlx5e_remove()
> 
> According to my testing. The uplink netdev is properly removed and
> re-added during reload-reinit. What am I missing?

You are missing internal profile switch from eswitch to legacy,
when you perform driver unload.

Feel free to contact me or Jianbo offline if you need more mlx5 specific
details.

Thanks

> 
> 
> 
> >  1560
> >  1561         unregister_netdev(netdev);
> >  1562         mlx5e_rep_vnic_reporter_destroy(priv);
> >  1563         mlx5e_detach_netdev(priv);
> >  1564         priv->profile->cleanup(priv);
> >  1565         mlx5e_destroy_netdev(priv);
> >  1566 free_ppriv:
> >  1567         kvfree(ppriv); /* mlx5e_rep_priv */
> >  1568 }
> >
> 
> [...]
> 
> 

  reply	other threads:[~2023-11-28 16:08 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-22  1:47 [pull request][net 00/15] mlx5 fixes 2023-11-21 Saeed Mahameed
2023-11-22  1:47 ` [net 01/15] net/mlx5e: Honor user choice of IPsec replay window size Saeed Mahameed
2023-11-22  1:47 ` [net 02/15] net/mlx5e: Ensure that IPsec sequence packet number starts from 1 Saeed Mahameed
2023-11-22  1:47 ` [net 03/15] net/mlx5e: Unify esw and normal IPsec status table creation/destruction Saeed Mahameed
2023-11-22  1:47 ` [net 04/15] net/mlx5e: Remove exposure of IPsec RX flow steering struct Saeed Mahameed
2023-11-22  1:47 ` [net 05/15] net/mlx5e: Add IPsec and ASO syndromes check in HW Saeed Mahameed
2023-11-22  1:47 ` [net 06/15] net/mlx5e: Tidy up IPsec NAT-T SA discovery Saeed Mahameed
2023-11-22  1:47 ` [net 07/15] net/mlx5e: Reduce eswitch mode_lock protection context Saeed Mahameed
2023-11-22  1:47 ` [net 08/15] net/mlx5e: Check the number of elements before walk TC rhashtable Saeed Mahameed
2023-11-22  1:47 ` [net 09/15] net/mlx5e: Forbid devlink reload if IPSec rules are offloaded Saeed Mahameed
2023-11-22  9:13   ` Jiri Pirko
2023-11-22  9:35     ` Leon Romanovsky
2023-11-22  9:50       ` Jiri Pirko
2023-11-22 11:28         ` Leon Romanovsky
2023-11-22 12:25           ` Jiri Pirko
2023-11-23  3:53           ` Jakub Kicinski
2023-11-23  6:12             ` Saeed Mahameed
2023-11-23 18:33             ` Leon Romanovsky
2023-11-28 12:02           ` Jiri Pirko
2023-11-28 16:08             ` Leon Romanovsky [this message]
2023-11-29 14:51               ` Jiri Pirko
2023-12-04 17:05                 ` Leon Romanovsky
2023-12-05  9:30                   ` Jiri Pirko
2023-11-22  1:47 ` [net 10/15] net/mlx5e: Disable IPsec offload support if not FW steering Saeed Mahameed
2023-11-22  1:48 ` [net 11/15] net/mlx5e: Fix possible deadlock on mlx5e_tx_timeout_work Saeed Mahameed
2023-11-22  1:48 ` [net 12/15] net/mlx5e: TC, Don't offload post action rule if not supported Saeed Mahameed
2023-11-22  1:48 ` [net 13/15] net/mlx5: Nack sync reset request when HotPlug is enabled Saeed Mahameed
2023-11-22  1:48 ` [net 14/15] net/mlx5e: Check netdev pointer before checking its net ns Saeed Mahameed
2023-11-22  1:48 ` [net 15/15] net/mlx5: Fix a NULL vs IS_ERR() check Saeed Mahameed

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