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authorShay Drory <shayd@nvidia.com>2023-02-02 10:27:45 +0200
committerSaeed Mahameed <saeedm@nvidia.com>2023-06-02 12:10:48 -0700
commit8611df722030171e31535da569d3da488d2cd3b6 (patch)
tree3d54f78c3303494016769f9d109d3f9071b2bde5 /drivers/net
parente67f928a5204cc577ad35dc8c3ebe60ef64bade8 (diff)
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: Shay Drory <shayd@nvidia.com> Reviewed-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Roi Dayan <roid@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c8
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 9833d1a587cc..d6e4ca436f39 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -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;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index aeb15b10048e..09367a320741 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -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;
@@ -2843,7 +2845,10 @@ static int mlx5_esw_offloads_devcom_event(int event,
if (!esw->paired[mlx5_get_dev_index(peer_esw->dev)])
break;
- mlx5_devcom_comp_set_ready(devcom, MLX5_DEVCOM_ESW_OFFLOADS, false);
+ 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;
mlx5_esw_offloads_unpair(peer_esw, esw);
@@ -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);