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Date: Thu, 12 Mar 2020 12:23:12 +0200 From: Paul Blakey <paulb@...lanox.com> To: Paul Blakey <paulb@...lanox.com>, Saeed Mahameed <saeedm@...lanox.com>, Oz Shlomo <ozsh@...lanox.com>, Jakub Kicinski <jakub.kicinski@...ronome.com>, Vlad Buslov <vladbu@...lanox.com>, David Miller <davem@...emloft.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, Jiri Pirko <jiri@...lanox.com>, Roi Dayan <roid@...lanox.com> Subject: [PATCH net-next ct-offload v4 10/15] net/mlx5: E-Switch, Support getting chain mapping Currently, we write chain register mapping on miss from the the last prio of a chain. It is used to restore the chain in software. To support re-using the chain register mapping from global tables (such as CT tuple table) misses, export the chain mapping. Signed-off-by: Paul Blakey <paulb@...lanox.com> Reviewed-by: Oz Shlomo <ozsh@...lanox.com> --- .../ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c | 13 +++++++++++++ .../ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h | 7 +++++++ 2 files changed, 20 insertions(+) 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 84e3313..0702c21 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c @@ -900,6 +900,19 @@ struct mlx5_flow_table * mlx5_esw_chains_cleanup(esw); } +int +mlx5_esw_chains_get_chain_mapping(struct mlx5_eswitch *esw, u32 chain, + u32 *chain_mapping) +{ + return mapping_add(esw_chains_mapping(esw), &chain, chain_mapping); +} + +int +mlx5_esw_chains_put_chain_mapping(struct mlx5_eswitch *esw, u32 chain_mapping) +{ + return mapping_remove(esw_chains_mapping(esw), chain_mapping); +} + int mlx5_eswitch_get_chain_for_tag(struct mlx5_eswitch *esw, u32 tag, u32 *chain) { 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 c7bc609..f3b9ae6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.h @@ -31,6 +31,13 @@ struct mlx5_flow_table * mlx5_esw_chains_destroy_global_table(struct mlx5_eswitch *esw, struct mlx5_flow_table *ft); +int +mlx5_esw_chains_get_chain_mapping(struct mlx5_eswitch *esw, u32 chain, + u32 *chain_mapping); +int +mlx5_esw_chains_put_chain_mapping(struct mlx5_eswitch *esw, + u32 chain_mapping); + int mlx5_esw_chains_create(struct mlx5_eswitch *esw); void mlx5_esw_chains_destroy(struct mlx5_eswitch *esw); -- 1.8.3.1
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