Commit fa3c73ee authored by Daniel Jurgens's avatar Daniel Jurgens Committed by Saeed Mahameed
Browse files

net/mlx5: Add/remove peer miss rules for EC VFs 



Add and remove the peer miss rules for EC VFs. It's possible that there
are different amounts of total VFs per function so only create rules for
the minimum number of max VFs.

Signed-off-by: default avatarDaniel Jurgens <danielj@nvidia.com>
Reviewed-by: default avatarWilliam Tu <witu@nvidia.com>
Reviewed-by: default avatarRoi Dayan <roid@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent a7719b29

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

+32 −0
Original line number Diff line number Diff line
@@ -1125,11 +1125,32 @@ static int esw_add_fdb_peer_miss_rules(struct mlx5_eswitch *esw, 
		flows[vport->index] = flow;

	}



	if (mlx5_core_ec_sriov_enabled(esw->dev)) {

		mlx5_esw_for_each_ec_vf_vport(esw, i, vport, mlx5_core_max_ec_vfs(esw->dev)) {

			if (i >= mlx5_core_max_ec_vfs(peer_dev))

				break;

			esw_set_peer_miss_rule_source_port(esw, peer_dev->priv.eswitch,

							   spec, vport->vport);

			flow = mlx5_add_flow_rules(esw->fdb_table.offloads.slow_fdb,

						   spec, &flow_act, &dest, 1);

			if (IS_ERR(flow)) {

				err = PTR_ERR(flow);

				goto add_ec_vf_flow_err;

			}

			flows[vport->index] = flow;

		}

	}

	esw->fdb_table.offloads.peer_miss_rules[mlx5_get_dev_index(peer_dev)] = flows;



	kvfree(spec);

	return 0;



add_ec_vf_flow_err:

	mlx5_esw_for_each_ec_vf_vport(esw, i, vport, mlx5_core_max_ec_vfs(esw->dev)) {

		if (!flows[vport->index])

			continue;

		mlx5_del_flow_rules(flows[vport->index]);

	}

add_vf_flow_err:

	mlx5_esw_for_each_vf_vport(esw, i, vport, mlx5_core_max_vfs(esw->dev)) {

		if (!flows[vport->index])
@@ -1162,6 +1183,17 @@ static void esw_del_fdb_peer_miss_rules(struct mlx5_eswitch *esw, 


	flows = esw->fdb_table.offloads.peer_miss_rules[mlx5_get_dev_index(peer_dev)];



	if (mlx5_core_ec_sriov_enabled(esw->dev)) {

		mlx5_esw_for_each_ec_vf_vport(esw, i, vport, mlx5_core_max_ec_vfs(esw->dev)) {

			/* The flow for a particular vport could be NULL if the other ECPF

			 * has fewer or no VFs enabled

			 */

			if (!flows[vport->index])

				continue;

			mlx5_del_flow_rules(flows[vport->index]);

		}

	}



	mlx5_esw_for_each_vf_vport(esw, i, vport, mlx5_core_max_vfs(esw->dev))

		mlx5_del_flow_rules(flows[vport->index]);