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net/mlx5: Fix offloading with ESWITCH_IPV4_TTL_MODIFY_ENABLE

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commit 55b2ca702c upstream.

Only prio 1 is supported for nic mode when there is no ignore flow level
support in firmware. But for switchdev mode, which supports fixed number
of statically pre-allocated prios, this restriction is not relevant so
it can be relaxed.

Fixes: d671e109bd ("net/mlx5: Fix tc max supported prio for nic mode")
Signed-off-by: Dima Chumak <dchumak@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dima Chumak
2022-01-17 15:32:16 +02:00
committed by Greg Kroah-Hartman
parent 60c48abf62
commit f232acbb78
1 changed files with 4 additions and 3 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c
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@@ -121,12 +121,13 @@ u32 mlx5_chains_get_nf_ft_chain(struct mlx5_fs_chains *chains)
u32 mlx5_chains_get_prio_range(struct mlx5_fs_chains *chains)
{
if (!mlx5_chains_prios_supported(chains))
return 1;
if (mlx5_chains_ignore_flow_level_supported(chains))
return UINT_MAX;
if (!chains->dev->priv.eswitch ||
chains->dev->priv.eswitch->mode != MLX5_ESWITCH_OFFLOADS)
return 1;
/* We should get here only for eswitch case */
return FDB_TC_MAX_PRIO;
}