[net-next 04/16] net/mlx5: E-Switch, Allow goto earlier chain if FW supports it
From: Saeed Mahameed <hidden>
Date: 2020-02-28 00:45:30
Subsystem:
mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Roi Dayan <redacted> Mellanox FW can support this if ignore_flow_level capability exists. Signed-off-by: Roi Dayan <redacted> Reviewed-by: Oz Shlomo <redacted> Reviewed-by: Paul Blakey <redacted> Signed-off-by: Saeed Mahameed <redacted> --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 3 ++- .../ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c | 5 +++++ .../ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h | 2 ++ 3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 290cdf32bc5e..3be654ce83e5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c@@ -3533,7 +3533,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); return -EOPNOTSUPP; } - if (dest_chain <= attr->chain) { + if (!mlx5_esw_chains_backwards_supported(esw) && + dest_chain <= attr->chain) { NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); return -EOPNOTSUPP; }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c
index 883c9e6ff0b2..60121f2ee6c5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c@@ -97,6 +97,11 @@ bool mlx5_esw_chains_prios_supported(struct mlx5_eswitch *esw) return esw->fdb_table.flags & ESW_FDB_CHAINS_AND_PRIOS_SUPPORTED; } +bool mlx5_esw_chains_backwards_supported(struct mlx5_eswitch *esw) +{ + return fdb_ignore_flow_level_supported(esw); +} + u32 mlx5_esw_chains_get_chain_range(struct mlx5_eswitch *esw) { if (!mlx5_esw_chains_prios_supported(esw))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h
index 2e13097fe348..4ae2baf2a7a1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h@@ -6,6 +6,8 @@ bool mlx5_esw_chains_prios_supported(struct mlx5_eswitch *esw); +bool +mlx5_esw_chains_backwards_supported(struct mlx5_eswitch *esw); u32 mlx5_esw_chains_get_prio_range(struct mlx5_eswitch *esw); u32
--
2.24.1