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net/mlx5: fs, Add other_eswitch support for steering tables

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Add other_eswitch support which allows flow tables creation above vports
that reside on different esw managers.

The new flag MLX5_FLOW_TABLE_OTHER_ESWITCH indicates if the
esw_owner_vhca_id attribute is supported.

Note that this is only supported if the Advanced-RDMA cap-
rdma_transport_manager_other_eswitch is set.
And it is the caller responsibility to check that.

Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Edward Srouji <edwards@nvidia.com>
Link: https://patch.msgid.link/20251029-support-other-eswitch-v1-2-98bb707b5d57@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Patrisious Haddad
2025-10-29 17:42:54 +02:00
committed by Leon Romanovsky
parent 6948417b3f
commit 3b848dec7e
4 changed files with 42 additions and 10 deletions
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2
include/linux/mlx5/fs.h
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@@ -71,6 +71,7 @@ enum {
MLX5_FLOW_TABLE_UNMANAGED = BIT(3),
MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4),
MLX5_FLOW_TABLE_UPLINK_VPORT = BIT(5),
MLX5_FLOW_TABLE_OTHER_ESWITCH = BIT(6),
};
#define LEFTOVERS_RULE_NUM 2
@@ -208,6 +209,7 @@ struct mlx5_flow_table_attr {
u32 flags;
u16 uid;
u16 vport;
u16 esw_owner_vhca_id;
struct mlx5_flow_table *next_ft;
struct {