Commit 8611df72 authored by Shay Drory's avatar Shay Drory Committed by Saeed Mahameed
Browse files

net/mlx5: E-switch, mark devcom as not ready when all eswitches are unpaired 



Whenever an eswitch is unpaired with another, the driver mark devcom
as not ready. While this is correct in case we are pairing only two
eswitches, in order to support pairing of more than two eswitches,
driver need to mark devcom as not ready only when all eswitches are
unpaired.

Signed-off-by: default avatarShay Drory <shayd@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Reviewed-by: default avatarRoi Dayan <roid@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent e67f928a

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

+1 −0
Original line number Diff line number Diff line
@@ -343,6 +343,7 @@ struct mlx5_eswitch { 
	int                     mode;

	u16                     manager_vport;

	u16                     first_host_vport;

	u8			num_peers;

	struct mlx5_esw_functions esw_funcs;

	struct {

		u32             large_group_num;

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

+7 −1
Original line number Diff line number Diff line
@@ -2836,6 +2836,8 @@ static int mlx5_esw_offloads_devcom_event(int event, 


		esw->paired[mlx5_get_dev_index(peer_esw->dev)] = true;

		peer_esw->paired[mlx5_get_dev_index(esw->dev)] = true;

		esw->num_peers++;

		peer_esw->num_peers++;

		mlx5_devcom_comp_set_ready(devcom, MLX5_DEVCOM_ESW_OFFLOADS, true);

		break;
@@ -2843,6 +2845,9 @@ static int mlx5_esw_offloads_devcom_event(int event, 
		if (!esw->paired[mlx5_get_dev_index(peer_esw->dev)])

			break;



		peer_esw->num_peers--;

		esw->num_peers--;

		if (!esw->num_peers && !peer_esw->num_peers)

			mlx5_devcom_comp_set_ready(devcom, MLX5_DEVCOM_ESW_OFFLOADS, false);

		esw->paired[mlx5_get_dev_index(peer_esw->dev)] = false;

		peer_esw->paired[mlx5_get_dev_index(esw->dev)] = false;
@@ -2884,6 +2889,7 @@ void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw) 
				       mlx5_esw_offloads_devcom_event,

				       esw);



	esw->num_peers = 0;

	mlx5_devcom_send_event(devcom,

			       MLX5_DEVCOM_ESW_OFFLOADS,

			       ESW_OFFLOADS_DEVCOM_PAIR, esw);