-----Original Message----- From: Wisam Monther <wis...@mellanox.com> Sent: Monday, March 9, 2020 3:13 PM To: dev@dpdk.org; Raslan Darawsheh <rasl...@mellanox.com>; Matan Azrad <ma...@mellanox.com> Cc: Slava Ovsiienko <viachesl...@mellanox.com>; sta...@dpdk.org Subject: [PATCH] net/mlx5: fix zero value check for set tag action
If we allow to have data <xxx> and mask <0x0> we might hit a zero data value that will not do any effect Fixes: e554b672aa05 ("net/mlx5: support flow tag") Cc: viachesl...@mellanox.com Cc: sta...@dpdk.org Signed-off-by: Wisam Jaddo <wis...@mellanox.com> --- drivers/net/mlx5/mlx5_flow_dv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index e7278f0..edd0065 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -2160,6 +2160,10 @@ flow_dv_validate_action_set_tag(struct rte_eth_dev *dev, return rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, action, "zero mask doesn't have any effect"); + if (!(conf->data & conf->mask)) + return rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, action, + "zero value has no effect"); ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error); if (ret < 0) return ret; -- 2.7.4 Hey Guys, This patch not relevant anymore Thanks, Wisam Jaddo