diff mbox series

[net-next,15/15] net/mlx5: Enable 4 ports multiport E-switch

Message ID 20230920063552.296978-16-saeed@kernel.org (mailing list archive)
State Accepted
Commit e738e355045237ee8802cb2b31a8ed6f4b7ac534
Delegated to: Netdev Maintainers
Headers show
Series [net-next,01/15] net/mlx5: Call mlx5_sf_id_erase() once in mlx5_sf_dealloc() | expand

Checks

Context Check Description
netdev/series_format success Pull request is its own cover letter
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1340 this patch: 1340
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 1363 this patch: 1363
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 No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1363 this patch: 1363
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 40 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Saeed Mahameed Sept. 20, 2023, 6:35 a.m. UTC 
From: Shay Drory <shayd@nvidia.com>

enable_mpesw() assumed only 2 ports are available, fix this by removing
that assumption and looping through the existing lag ports to enable multi-port
E-switch for cards with more than 2 ports.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 .../ethernet/mellanox/mlx5/core/lag/mpesw.c    | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
index 4bf15391525c..0857eebf4f07 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
@@ -65,12 +65,12 @@  static int mlx5_mpesw_metadata_set(struct mlx5_lag *ldev)
 	return err;
 }
 
-#define MLX5_LAG_MPESW_OFFLOADS_SUPPORTED_PORTS 2
+#define MLX5_LAG_MPESW_OFFLOADS_SUPPORTED_PORTS 4
 static int enable_mpesw(struct mlx5_lag *ldev)
 {
 	struct mlx5_core_dev *dev0 = ldev->pf[MLX5_LAG_P1].dev;
-	struct mlx5_core_dev *dev1 = ldev->pf[MLX5_LAG_P2].dev;
 	int err;
+	int i;
 
 	if (ldev->mode != MLX5_LAG_MODE_NONE)
 		return -EINVAL;
@@ -98,11 +98,11 @@  static int enable_mpesw(struct mlx5_lag *ldev)
 
 	dev0->priv.flags &= ~MLX5_PRIV_FLAGS_DISABLE_IB_ADEV;
 	mlx5_rescan_drivers_locked(dev0);
-	err = mlx5_eswitch_reload_reps(dev0->priv.eswitch);
-	if (!err)
-		err = mlx5_eswitch_reload_reps(dev1->priv.eswitch);
-	if (err)
-		goto err_rescan_drivers;
+	for (i = 0; i < ldev->ports; i++) {
+		err = mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
+		if (err)
+			goto err_rescan_drivers;
+	}
 
 	return 0;
 
@@ -112,8 +112,8 @@  static int enable_mpesw(struct mlx5_lag *ldev)
 	mlx5_deactivate_lag(ldev);
 err_add_devices:
 	mlx5_lag_add_devices(ldev);
-	mlx5_eswitch_reload_reps(dev0->priv.eswitch);
-	mlx5_eswitch_reload_reps(dev1->priv.eswitch);
+	for (i = 0; i < ldev->ports; i++)
+		mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
 	mlx5_mpesw_metadata_cleanup(ldev);
 	return err;
 }