[PATCH net-next V3 06/16] net/mlx5: E-Switch, Add offloads table
From: Saeed Mahameed <hidden>
Date: 2016-07-01 12:19:24
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Or Gerlitz <redacted> Belongs to the NIC offloads name-space, and to be used as part of the SRIOV offloads logic to steer packets that hit the e-switch miss rule to the TIR of the relevant VF representor. Signed-off-by: Or Gerlitz <redacted> Signed-off-by: Saeed Mahameed <redacted> --- drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 5 ++++ .../ethernet/mellanox/mlx5/core/eswitch_offloads.c | 31 ++++++++++++++++++++++ 2 files changed, 36 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index b7fabd1..32db37a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h@@ -155,6 +155,10 @@ enum { SRIOV_OFFLOADS }; +struct mlx5_esw_offload { + struct mlx5_flow_table *ft_offloads; +}; + struct mlx5_eswitch { struct mlx5_core_dev *dev; struct mlx5_l2_table l2_table;
@@ -169,6 +173,7 @@ struct mlx5_eswitch { */ struct mutex state_lock; struct esw_mc_addr *mc_promisc; + struct mlx5_esw_offload offloads; int mode; };
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 8964f71..e895c6f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c@@ -212,3 +212,34 @@ void esw_destroy_offloads_fdb_table(struct mlx5_eswitch *esw) mlx5_destroy_flow_table(esw->fdb_table.fdb); } + +static int esw_create_offloads_table(struct mlx5_eswitch *esw) +{ + struct mlx5_flow_namespace *ns; + struct mlx5_flow_table *ft_offloads; + struct mlx5_core_dev *dev = esw->dev; + int err = 0; + + ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_OFFLOADS); + if (!ns) { + esw_warn(esw->dev, "Failed to get offloads flow namespace\n"); + return -ENOMEM; + } + + ft_offloads = mlx5_create_flow_table(ns, 0, dev->priv.sriov.num_vfs + 2, 0); + if (IS_ERR(ft_offloads)) { + err = PTR_ERR(ft_offloads); + esw_warn(esw->dev, "Failed to create offloads table, err %d\n", err); + return err; + } + + esw->offloads.ft_offloads = ft_offloads; + return 0; +} + +static void esw_destroy_offloads_table(struct mlx5_eswitch *esw) +{ + struct mlx5_esw_offload *offloads = &esw->offloads; + + mlx5_destroy_flow_table(offloads->ft_offloads); +}
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2.8.0