From: Matan Barak <mat...@mellanox.com>

The has_tag member will indicate whether a tag action was specified
in flow specification.

Signed-off-by: Matan Barak <mat...@mellanox.com>
Reviewed-by: Aviad Yehezkel <avia...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 drivers/infiniband/hw/mlx5/main.c                 | 3 ++-
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c   | 1 +
 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 2 +-
 include/linux/mlx5/fs.h                           | 1 +
 4 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/main.c 
b/drivers/infiniband/hw/mlx5/main.c
index 1b305367a817..d50ace805995 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2535,6 +2535,7 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev, 
u32 *match_c,
                        return -EINVAL;
 
                action->flow_tag = ib_spec->flow_tag.tag_id;
+               action->has_flow_tag = true;
                break;
        case IB_FLOW_SPEC_ACTION_DROP:
                if (FIELDS_NOT_SUPPORTED(ib_spec->drop,
@@ -2847,7 +2848,7 @@ static struct mlx5_ib_flow_handler 
*_create_flow_rule(struct mlx5_ib_dev *dev,
                    MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
        }
 
-       if (flow_act.flow_tag != MLX5_FS_DEFAULT_FLOW_TAG &&
+       if (flow_act.has_flow_tag &&
            (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
             flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) {
                mlx5_ib_warn(dev, "Flow tag %u and attribute type %x isn't 
allowed in leftovers\n",
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index fd98b0dc610f..eeff1fac77ef 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -675,6 +675,7 @@ mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
        struct mlx5_flow_destination dest[2] = {};
        struct mlx5_flow_act flow_act = {
                .action = attr->action,
+               .has_flow_tag = true,
                .flow_tag = attr->flow_tag,
                .encap_id = 0,
        };
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c 
b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index c025c98700e4..d81da6920be8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1443,7 +1443,7 @@ static int check_conflicting_ftes(struct fs_fte *fte, 
const struct mlx5_flow_act
                return -EEXIST;
        }
 
-       if (fte->flow_tag != flow_act->flow_tag) {
+       if (flow_act->has_flow_tag && fte->flow_tag != flow_act->flow_tag) {
                mlx5_core_warn(get_dev(&fte->node),
                               "FTE flow tag %u already exists with different 
flow tag %u\n",
                               fte->flow_tag,
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index a0b48afcb422..f580bc4c2443 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -141,6 +141,7 @@ void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
 
 struct mlx5_flow_act {
        u32 action;
+       bool has_flow_tag;
        u32 flow_tag;
        u32 encap_id;
        u32 modify_id;
-- 
2.14.3

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