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Commit c116c6ee authored by Or Gerlitz's avatar Or Gerlitz Committed by David S. Miller
Browse files

net/mlx5: E-Switch, Add offloads table 



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: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent acbc2004

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

+5 −0
Original line number Diff line number Diff line
@@ -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;

};

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

+31 −0
Original line number Diff line number Diff line
@@ -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);

}