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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Shay Drory <shayd@nvidia.com>, Roi Dayan <roid@nvidia.com>
Subject: [net 2/2] net/mlx5: Fix mlx5_cmd_update_root_ft() error flow
Date: Wed, 16 Aug 2023 13:41:08 -0700	[thread overview]
Message-ID: <20230816204108.53819-3-saeed@kernel.org> (raw)
In-Reply-To: <20230816204108.53819-1-saeed@kernel.org>

From: Shay Drory <shayd@nvidia.com>

The cited patch change mlx5_cmd_update_root_ft() to work with multiple
peer devices. However, it didn't align the error flow as well.
Hence, Fix the error code to work with multiple peer devices.

Fixes: 222dd185833e ("{net/RDMA}/mlx5: introduce lag_for_each_peer")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index aab7059bf6e9..244cfd470903 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -245,12 +245,20 @@ static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns,
 	    mlx5_lag_is_shared_fdb(dev) &&
 	    mlx5_lag_is_master(dev)) {
 		struct mlx5_core_dev *peer_dev;
-		int i;
+		int i, j;
 
 		mlx5_lag_for_each_peer_mdev(dev, peer_dev, i) {
 			err = mlx5_cmd_set_slave_root_fdb(dev, peer_dev, !disconnect,
 							  (!disconnect) ? ft->id : 0);
 			if (err && !disconnect) {
+				mlx5_lag_for_each_peer_mdev(dev, peer_dev, j) {
+					if (j < i)
+						mlx5_cmd_set_slave_root_fdb(dev, peer_dev, 1,
+									    ns->root_ft->id);
+					else
+						break;
+				}
+
 				MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
 				MLX5_SET(set_flow_table_root_in, in, table_id,
 					 ns->root_ft->id);
-- 
2.41.0


      parent reply	other threads:[~2023-08-16 20:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-16 20:41 [pull request][net 0/2] mlx5 fixes 2023-08-16 Saeed Mahameed
2023-08-16 20:41 ` [net 1/2] net/mlx5e: XDP, Fix fifo overrun on XDP_REDIRECT Saeed Mahameed
2023-08-17 19:00   ` patchwork-bot+netdevbpf
2023-08-16 20:41 ` Saeed Mahameed [this message]

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