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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, Yevgeny Kliteynik <kliteyn@nvidia.com>,
Yuval Avnery <yuvalav@mellanox.com>,
Alex Vesker <valex@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 06/17] net/mlx5: DR, Warn and ignore SW steering rule insertion on QP err
Date: Thu, 26 Aug 2021 17:57:51 -0700 [thread overview]
Message-ID: <20210827005802.236119-7-saeed@kernel.org> (raw)
In-Reply-To: <20210827005802.236119-1-saeed@kernel.org>
From: Yevgeny Kliteynik <kliteyn@nvidia.com>
In the event of SW steering QP entering error state, SW steering
cannot insert more rules, and will silently ignore the insertion
after issuing a warning.
Signed-off-by: Yuval Avnery <yuvalav@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../mellanox/mlx5/core/steering/dr_send.c | 16 ++++++++++++++--
.../mellanox/mlx5/core/steering/dr_types.h | 1 +
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
index 24f40e17f176..bfb14b4b1906 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -325,10 +325,14 @@ static int dr_handle_pending_wc(struct mlx5dr_domain *dmn,
do {
ne = dr_poll_cq(send_ring->cq, 1);
- if (ne < 0)
+ if (unlikely(ne < 0)) {
+ mlx5_core_warn_once(dmn->mdev, "SMFS QPN 0x%x is disabled/limited",
+ send_ring->qp->qpn);
+ send_ring->err_state = true;
return ne;
- else if (ne == 1)
+ } else if (ne == 1) {
send_ring->pending_wqe -= send_ring->signal_th;
+ }
} while (is_drain && send_ring->pending_wqe);
return 0;
@@ -361,6 +365,14 @@ static int dr_postsend_icm_data(struct mlx5dr_domain *dmn,
u32 buff_offset;
int ret;
+ if (unlikely(dmn->mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR ||
+ send_ring->err_state)) {
+ mlx5_core_dbg_once(dmn->mdev,
+ "Skipping post send: QP err state: %d, device state: %d\n",
+ send_ring->err_state, dmn->mdev->state);
+ return 0;
+ }
+
spin_lock(&send_ring->lock);
ret = dr_handle_pending_wc(dmn, send_ring);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
index 474cf32a67c4..4fd14e9b7e1c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -1285,6 +1285,7 @@ struct mlx5dr_send_ring {
u8 sync_buff[MIN_READ_SYNC];
struct mlx5dr_mr *sync_mr;
spinlock_t lock; /* Protect the data path of the send ring */
+ bool err_state; /* send_ring is not usable in err state */
};
int mlx5dr_send_ring_alloc(struct mlx5dr_domain *dmn);
--
2.31.1
next prev parent reply other threads:[~2021-08-27 0:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-27 0:57 [pull request][net-next 00/17] mlx5 updates 2021-08-26 Saeed Mahameed
2021-08-27 0:57 ` [net-next 01/17] net/mlx5: DR, Added support for REMOVE_HEADER packet reformat Saeed Mahameed
2021-08-27 9:10 ` patchwork-bot+netdevbpf
2021-08-27 0:57 ` [net-next 02/17] net/mlx5: DR, Split modify VLAN state to separate pop/push states Saeed Mahameed
2021-08-27 0:57 ` [net-next 03/17] net/mlx5: DR, Enable VLAN pop on TX and VLAN push on RX Saeed Mahameed
2021-08-27 0:57 ` [net-next 04/17] net/mlx5: DR, Enable QP retransmission Saeed Mahameed
2021-08-27 0:57 ` [net-next 05/17] net/mlx5: DR, Improve error flow in actions_build_ste_arr Saeed Mahameed
2021-08-27 0:57 ` Saeed Mahameed [this message]
2021-08-27 0:57 ` [net-next 07/17] net/mlx5: DR, Reduce print level for FT chaining level check Saeed Mahameed
2021-08-27 0:57 ` [net-next 08/17] net/mlx5: DR, Support IPv6 matching on flow label for STEv0 Saeed Mahameed
2021-08-27 0:57 ` [net-next 09/17] net/mlx5: DR, replace uintN_t with kernel-style types Saeed Mahameed
2021-08-27 0:57 ` [net-next 10/17] net/mlx5: DR, Use FW API when updating FW-owned flow table Saeed Mahameed
2021-08-27 0:57 ` [net-next 11/17] net/mlx5: DR, Add ignore_flow_level support for multi-dest flow tables Saeed Mahameed
2021-08-27 0:57 ` [net-next 12/17] net/mlx5: DR, Skip source port matching on FDB RX domain Saeed Mahameed
2021-08-27 0:57 ` [net-next 13/17] net/mlx5: DR, Merge DR_STE_SIZE enums Saeed Mahameed
2021-08-27 0:57 ` [net-next 14/17] net/mlx5: DR, Remove HW specific STE type from nic domain Saeed Mahameed
2021-08-27 0:58 ` [net-next 15/17] net/mlx5: DR, Remove rehash ctrl struct from dr_htbl Saeed Mahameed
2021-08-27 0:58 ` [net-next 16/17] net/mlx5: DR, Improve rule tracking memory consumption Saeed Mahameed
2021-08-27 0:58 ` [net-next 17/17] net/mlx5: DR, Add support for update FTE Saeed Mahameed
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