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Commit d269b3af authored by Yishai Hadas's avatar Yishai Hadas Committed by Leon Romanovsky
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net/mlx5: Set uid as part of RQ commands 



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

That will enable using an RQ 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 4ac63ec7

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

+14 −2
Original line number Diff line number Diff line
@@ -540,6 +540,17 @@ int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn) 
}

EXPORT_SYMBOL_GPL(mlx5_core_xrcd_dealloc);



static void destroy_rq_tracked(struct mlx5_core_dev *dev, u32 rqn, u16 uid)

{

	u32 in[MLX5_ST_SZ_DW(destroy_rq_in)]   = {};

	u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {};



	MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);

	MLX5_SET(destroy_rq_in, in, rqn, rqn);

	MLX5_SET(destroy_rq_in, in, uid, uid);

	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));

}



int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,

				struct mlx5_core_qp *rq)

{
@@ -550,6 +561,7 @@ int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen, 
	if (err)

		return err;



	rq->uid = MLX5_GET(create_rq_in, in, uid);

	rq->qpn = rqn;

	err = create_resource_common(dev, rq, MLX5_RES_RQ);

	if (err)
@@ -558,7 +570,7 @@ int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen, 
	return 0;



err_destroy_rq:

	mlx5_core_destroy_rq(dev, rq->qpn);

	destroy_rq_tracked(dev, rq->qpn, rq->uid);



	return err;

}
@@ -568,7 +580,7 @@ void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev, 
				  struct mlx5_core_qp *rq)

{

	destroy_resource_common(dev, rq);

	mlx5_core_destroy_rq(dev, rq->qpn);

	destroy_rq_tracked(dev, rq->qpn, rq->uid);

}

EXPORT_SYMBOL(mlx5_core_destroy_rq_tracked);

include/linux/mlx5/mlx5_ifc.h

+3 −3
Original line number Diff line number Diff line
@@ -5488,7 +5488,7 @@ enum { 


struct mlx5_ifc_modify_rq_in_bits {

	u8         opcode[0x10];

	u8         reserved_at_10[0x10];

	u8         uid[0x10];



	u8         reserved_at_20[0x10];

	u8         op_mod[0x10];
@@ -6164,7 +6164,7 @@ struct mlx5_ifc_destroy_rq_out_bits { 


struct mlx5_ifc_destroy_rq_in_bits {

	u8         opcode[0x10];

	u8         reserved_at_10[0x10];

	u8         uid[0x10];



	u8         reserved_at_20[0x10];

	u8         op_mod[0x10];
@@ -6847,7 +6847,7 @@ struct mlx5_ifc_create_rq_out_bits { 


struct mlx5_ifc_create_rq_in_bits {

	u8         opcode[0x10];

	u8         reserved_at_10[0x10];

	u8         uid[0x10];



	u8         reserved_at_20[0x10];

	u8         op_mod[0x10];