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Commit 774ea6ee authored by Yishai Hadas's avatar Yishai Hadas Committed by Leon Romanovsky
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net/mlx5: Set uid as part of DCT commands 



Set uid as part of DCT commands so that the firmware can manage the
DCT object in a secured way.

That will enable using a DCT that was created by verbs application
to be used by the DEVX flow in case the uid is equal.

Signed-off-by: default avatarYishai Hadas <yishaih@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
parent a0d8c054

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

+4 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ int mlx5_core_create_dct(struct mlx5_core_dev *dev, 
	}



	qp->qpn = MLX5_GET(create_dct_out, out, dctn);

	qp->uid = MLX5_GET(create_dct_in, in, uid);

	err = create_resource_common(dev, qp, MLX5_RES_DCT);

	if (err)

		goto err_cmd;
@@ -219,6 +220,7 @@ int mlx5_core_create_dct(struct mlx5_core_dev *dev, 
err_cmd:

	MLX5_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT);

	MLX5_SET(destroy_dct_in, din, dctn, qp->qpn);

	MLX5_SET(destroy_dct_in, din, uid, qp->uid);

	mlx5_cmd_exec(dev, (void *)&in, sizeof(din),

		      (void *)&out, sizeof(dout));

	return err;
@@ -277,6 +279,7 @@ static int mlx5_core_drain_dct(struct mlx5_core_dev *dev, 


	MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT);

	MLX5_SET(drain_dct_in, in, dctn, qp->qpn);

	MLX5_SET(drain_dct_in, in, uid, qp->uid);

	return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),

			     (void *)&out, sizeof(out));

}
@@ -303,6 +306,7 @@ int mlx5_core_destroy_dct(struct mlx5_core_dev *dev, 
	destroy_resource_common(dev, &dct->mqp);

	MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT);

	MLX5_SET(destroy_dct_in, in, dctn, qp->qpn);

	MLX5_SET(destroy_dct_in, in, uid, qp->uid);

	err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in),

			    (void *)&out, sizeof(out));

	return err;

include/linux/mlx5/mlx5_ifc.h

+3 −3
Original line number Diff line number Diff line
@@ -5918,7 +5918,7 @@ struct mlx5_ifc_drain_dct_out_bits { 


struct mlx5_ifc_drain_dct_in_bits {

	u8         opcode[0x10];

	u8         reserved_at_10[0x10];

	u8         uid[0x10];



	u8         reserved_at_20[0x10];

	u8         op_mod[0x10];
@@ -6382,7 +6382,7 @@ struct mlx5_ifc_destroy_dct_out_bits { 


struct mlx5_ifc_destroy_dct_in_bits {

	u8         opcode[0x10];

	u8         reserved_at_10[0x10];

	u8         uid[0x10];



	u8         reserved_at_20[0x10];

	u8         op_mod[0x10];
@@ -7138,7 +7138,7 @@ struct mlx5_ifc_create_dct_out_bits { 


struct mlx5_ifc_create_dct_in_bits {

	u8         opcode[0x10];

	u8         reserved_at_10[0x10];

	u8         uid[0x10];



	u8         reserved_at_20[0x10];

	u8         op_mod[0x10];