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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: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Yishai Hadas 2018-09-20 21:35:22 +03:00 committed by Leon Romanovsky
parent 4ac63ec725
commit d269b3afff
2 changed files with 17 additions and 5 deletions
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16
drivers/net/ethernet/mellanox/mlx5/core/qp.c
View File

@ -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);

6
include/linux/mlx5/mlx5_ifc.h
View File

@ -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];