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Subject[PATCH 5.17 069/140] net/mlx5: Fix matching on inner TTC
Date
From: Mark Bloch <mbloch@nvidia.com>

commit a042d7f5bb68c47f6e0e546ca367d14e1e4b25ba upstream.

The cited commits didn't use proper matching on inner TTC
as a result distribution of encapsulated packets wasn't symmetric
between the physical ports.

Fixes: 4c71ce50d2fe ("net/mlx5: Support partial TTC rules")
Fixes: 8e25a2bc6687 ("net/mlx5: Lag, add support to create TTC tables for LAG port selection")
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c
index a6592f9c3c05..5be322528279 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c
@@ -505,7 +505,7 @@ static int mlx5_lag_create_inner_ttc_table(struct mlx5_lag *ldev)
struct ttc_params ttc_params = {};

mlx5_lag_set_inner_ttc_params(ldev, &ttc_params);
- port_sel->inner.ttc = mlx5_create_ttc_table(dev, &ttc_params);
+ port_sel->inner.ttc = mlx5_create_inner_ttc_table(dev, &ttc_params);
if (IS_ERR(port_sel->inner.ttc))
return PTR_ERR(port_sel->inner.ttc);

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
index b63dec24747a..b78f2ba25c19 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
@@ -408,6 +408,8 @@ static int mlx5_generate_inner_ttc_table_rules(struct mlx5_core_dev *dev,
for (tt = 0; tt < MLX5_NUM_TT; tt++) {
struct mlx5_ttc_rule *rule = &rules[tt];

+ if (test_bit(tt, params->ignore_dests))
+ continue;
rule->rule = mlx5_generate_inner_ttc_rule(dev, ft,
&params->dests[tt],
ttc_rules[tt].etype,
--
2.36.1


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