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[net,1/2] net/mlx5: LAG, reload representors on LAG creation failure

Message ID 1742331077-102038-2-git-send-email-tariqt@nvidia.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series mlx5 misc fixes 2025-03-18 | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: rongweil@nvidia.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 99 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Tariq Toukan March 18, 2025, 8:51 p.m. UTC 
From: Mark Bloch <mbloch@nvidia.com>

When LAG creation fails, the driver reloads the RDMA devices. If RDMA
representors are present, they should also be reloaded. This step was
missed in the cited commit.

Fixes: 598fe77df855 ("net/mlx5: Lag, Create shared FDB when in switchdev mode")
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Shay Drori <shayd@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
index ed2ba272946b..6c9737c53734 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -1052,6 +1052,10 @@  static void mlx5_do_bond(struct mlx5_lag *ldev)
 		if (err) {
 			if (shared_fdb || roce_lag)
 				mlx5_lag_add_devices(ldev);
+			if (shared_fdb) {
+				mlx5_ldev_for_each(i, 0, ldev)
+					mlx5_eswitch_reload_ib_reps(ldev->pf[i].dev->priv.eswitch);
+			}
 
 			return;
 		} else if (roce_lag) {