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net/mlx5e: Fix traffic duplication in ethtool steering

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Before this patch, when adding multiple ethtool steering rules with
identical classification, the driver used to append the new destination
to the already existing hw rule, which caused the hw to forward the
traffic to all destinations (rx queues).

Here we avoid this by setting the "no append" mlx5 fs core flag when
adding a new ethtool rule.

Fixes: 6dc6071cfc ("net/mlx5e: Add ethtool flow steering support")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Saeed Mahameed 2019-09-11 07:50:13 -07:00
parent d19a79ee38
commit d22fcc806b
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
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@ -399,10 +399,10 @@ add_ethtool_flow_rule(struct mlx5e_priv *priv,
struct mlx5_flow_table *ft,
struct ethtool_rx_flow_spec *fs)
{
struct mlx5_flow_act flow_act = { .flags = FLOW_ACT_NO_APPEND };
struct mlx5_flow_destination *dst = NULL;
struct mlx5_flow_act flow_act = {0};
struct mlx5_flow_spec *spec;
struct mlx5_flow_handle *rule;
struct mlx5_flow_spec *spec;
int err = 0;
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);