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From: Tariq Toukan <ttoukan.linux@gmail.com>
To: Cosmin Ratiu <cratiu@nvidia.com>, netdev@vger.kernel.org
Cc: Hangbin Liu <liuhangbin@gmail.com>,
	Jay Vosburgh <jv@jvosburgh.net>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Nikolay Aleksandrov <razor@blackwall.org>,
	Simon Horman <horms@kernel.org>,
	Saeed Mahameed <saeedm@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>, Jianbo Liu <jianbol@nvidia.com>,
	Steffen Klassert <steffen.klassert@secunet.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Ayush Sawal <ayush.sawal@chelsio.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Sunil Goutham <sgoutham@marvell.com>,
	Geetha sowjanya <gakula@marvell.com>,
	Subbaraya Sundeep <sbhatta@marvell.com>,
	hariprasad <hkelam@marvell.com>,
	Bharat Bhushan <bbhushan2@marvell.com>,
	Louis Peens <louis.peens@corigine.com>,
	Leon Romanovsky <leonro@nvidia.com>,
	linux-kselftest@vger.kernel.org
Subject: Re: [PATCH net-next 1/6] net/mlx5: Avoid using xso.real_dev unnecessarily
Date: Tue, 8 Apr 2025 20:06:08 +0300	[thread overview]
Message-ID: <bdd16b2e-13eb-46de-99bf-68a500c960c0@gmail.com> (raw)
In-Reply-To: <20250407133542.2668491-2-cratiu@nvidia.com>



On 07/04/2025 16:35, Cosmin Ratiu wrote:
> xso.real_dev is the active device of an offloaded xfrm state and is
> managed by bonding. As such, it's subject to change when states are
> migrated to a new device. Using it in places other than
> offloading/unoffloading the states is risky.
> 
> This commit saves the device into the driver-specific struct
> mlx5e_ipsec_sa_entry and switches mlx5e_ipsec_init_macs() and
> mlx5e_ipsec_netevent_event() to make use of it.
> 
> Additionally, mlx5e_xfrm_update_stats() used xso.real_dev to validate
> that correct net locks are held. But in a bonding config, the net of the
> master device is the same as the underlying devices, and the net is
> already a local var, so use that instead.
> 
> The only remaining references to xso.real_dev are now in the
> .xdo_dev_state_add() / .xdo_dev_state_delete() path.
> 
> Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
> Reviewed-by: Leon Romanovsky <leonro@nvidia.com>

Acked-by: Tariq Toukan <tariqt@nvidia.com>

Thanks.

  reply	other threads:[~2025-04-08 17:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-07 13:35 [PATCH net-next 0/6] xfrm & bonding: Correct use of xso.real_dev Cosmin Ratiu
2025-04-07 13:35 ` [PATCH net-next 1/6] net/mlx5: Avoid using xso.real_dev unnecessarily Cosmin Ratiu
2025-04-08 17:06   ` Tariq Toukan [this message]
2025-04-07 13:35 ` [PATCH net-next 2/6] xfrm: Use xdo.dev instead of xdo.real_dev Cosmin Ratiu
2025-04-07 13:35 ` [PATCH net-next 3/6] xfrm: Remove unneeded device check from validate_xmit_xfrm Cosmin Ratiu
2025-04-07 13:35 ` [PATCH net-next 4/6] xfrm: Add explicit dev to .xdo_dev_state_{add,delete,free} Cosmin Ratiu
2025-04-08 23:20   ` Jakub Kicinski
2025-04-09 14:08     ` Cosmin Ratiu
2025-04-09 12:30   ` kernel test robot
2025-04-07 13:35 ` [PATCH net-next 5/6] bonding: Mark active offloaded xfrm_states Cosmin Ratiu
2025-04-07 13:35 ` [PATCH net-next 6/6] bonding: Fix multiple long standing offload races Cosmin Ratiu
2025-04-08  8:08   ` Hangbin Liu
2025-04-09 14:33     ` Cosmin Ratiu

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