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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Aya Levin <ayal@nvidia.com>, Saeed Mahameed <saeedm@nvidia.com>
Subject: [net 08/12] net/mlx5e: Fix page allocation failure for trap-RQ over SF
Date: Tue, 27 Jul 2021 16:20:46 -0700	[thread overview]
Message-ID: <20210727232050.606896-9-saeed@kernel.org> (raw)
In-Reply-To: <20210727232050.606896-1-saeed@kernel.org>

From: Aya Levin <ayal@nvidia.com>

Set the correct device pointer to the trap-RQ, to allow access to
dma_mask and avoid allocation request with the wrong pci-dev.

WARNING: CPU: 1 PID: 12005 at kernel/dma/mapping.c:151 dma_map_page_attrs+0x139/0x1c0
...
all Trace:
<IRQ>
? __page_pool_alloc_pages_slow+0x5a/0x210
mlx5e_post_rx_wqes+0x258/0x400 [mlx5_core]
mlx5e_trap_napi_poll+0x44/0xc0 [mlx5_core]
__napi_poll+0x24/0x150
net_rx_action+0x22b/0x280
__do_softirq+0xc7/0x27e
do_softirq+0x61/0x80
</IRQ>
__local_bh_enable_ip+0x4b/0x50
mlx5e_handle_action_trap+0x2dd/0x4d0 [mlx5_core]
blocking_notifier_call_chain+0x5a/0x80
mlx5_devlink_trap_action_set+0x8b/0x100 [mlx5_core]

Fixes: 5543e989fe5e ("net/mlx5e: Add trap entity to ETH driver")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/trap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c
index 86ab4e864fe6..7f94508594fb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c
@@ -37,7 +37,7 @@ static void mlx5e_init_trap_rq(struct mlx5e_trap *t, struct mlx5e_params *params
 	struct mlx5e_priv *priv = t->priv;
 
 	rq->wq_type      = params->rq_wq_type;
-	rq->pdev         = mdev->device;
+	rq->pdev         = t->pdev;
 	rq->netdev       = priv->netdev;
 	rq->priv         = priv;
 	rq->clock        = &mdev->clock;
-- 
2.31.1


  parent reply	other threads:[~2021-07-27 23:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27 23:20 [pull request][net 00/12] mlx5 fixes 2021-07-27 Saeed Mahameed
2021-07-27 23:20 ` [net 01/12] net/mlx5: Fix flow table chaining Saeed Mahameed
2021-07-28  8:30   ` patchwork-bot+netdevbpf
2021-07-27 23:20 ` [net 02/12] net/mlx5e: Disable Rx ntuple offload for uplink representor Saeed Mahameed
2021-07-27 23:20 ` [net 03/12] net/mlx5: E-Switch, Set destination vport vhca id only when merged eswitch is supported Saeed Mahameed
2021-07-27 23:20 ` [net 04/12] net/mlx5: E-Switch, handle devcom events only for ports on the same device Saeed Mahameed
2021-07-27 23:20 ` [net 05/12] net/mlx5e: RX, Avoid possible data corruption when relaxed ordering and LRO combined Saeed Mahameed
2021-07-27 23:20 ` [net 06/12] net/mlx5e: Add NETIF_F_HW_TC to hw_features when HTB offload is available Saeed Mahameed
2021-07-27 23:20 ` [net 07/12] net/mlx5e: Consider PTP-RQ when setting RX VLAN stripping Saeed Mahameed
2021-07-27 23:20 ` Saeed Mahameed [this message]
2021-07-27 23:20 ` [net 09/12] net/mlx5e: Fix page allocation failure for ptp-RQ over SF Saeed Mahameed
2021-07-27 23:20 ` [net 10/12] net/mlx5: Unload device upon firmware fatal error Saeed Mahameed
2021-07-27 23:20 ` [net 11/12] net/mlx5e: Fix nullptr in mlx5e_hairpin_get_mdev() Saeed Mahameed
2021-07-27 23:20 ` [net 12/12] net/mlx5: Fix mlx5_vport_tbl_attr chain from u16 to u32 Saeed Mahameed

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