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net/mlx5: E-Switch, Add offloads table

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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 <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-07-01 14:50:59 +03:00 committed by David S. Miller
parent acbc2004d7
commit c116c6eec6
2 changed files with 36 additions and 0 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -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;
};

31
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View File

@ -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);
}