devlink.h

 1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 2/* Copyright (c) 2019, Mellanox Technologies */
 3
 4#ifndef __MLX5_DEVLINK_H__
 5#define __MLX5_DEVLINK_H__
 6
 7#include <net/devlink.h>
 8
 9enum mlx5_devlink_resource_id {
10	MLX5_DL_RES_MAX_LOCAL_SFS = 1,
11	MLX5_DL_RES_MAX_EXTERNAL_SFS,
12
13	__MLX5_ID_RES_MAX,
14	MLX5_ID_RES_MAX = __MLX5_ID_RES_MAX - 1,
15};
16
17enum mlx5_devlink_param_id {
18	MLX5_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
19	MLX5_DEVLINK_PARAM_ID_FLOW_STEERING_MODE,
20	MLX5_DEVLINK_PARAM_ID_ESW_LARGE_GROUP_NUM,
21	MLX5_DEVLINK_PARAM_ID_ESW_PORT_METADATA,
22	MLX5_DEVLINK_PARAM_ID_ESW_MULTIPORT,
23	MLX5_DEVLINK_PARAM_ID_HAIRPIN_NUM_QUEUES,
24	MLX5_DEVLINK_PARAM_ID_HAIRPIN_QUEUE_SIZE,
25	MLX5_DEVLINK_PARAM_ID_PCIE_CONG_IN_LOW,
26	MLX5_DEVLINK_PARAM_ID_PCIE_CONG_IN_HIGH,
27	MLX5_DEVLINK_PARAM_ID_PCIE_CONG_OUT_LOW,
28	MLX5_DEVLINK_PARAM_ID_PCIE_CONG_OUT_HIGH,
29	MLX5_DEVLINK_PARAM_ID_CQE_COMPRESSION_TYPE,
30	MLX5_DEVLINK_PARAM_ID_SWP_L4_CSUM_MODE,
31};
32
33struct mlx5_trap_ctx {
34	int id;
35	int action;
36};
37
38struct mlx5_devlink_trap {
39	struct mlx5_trap_ctx trap;
40	void *item;
41	struct list_head list;
42};
43
44struct mlx5_devlink_trap_event_ctx {
45	struct mlx5_trap_ctx *trap;
46	int err;
47};
48
49struct mlx5_core_dev;
50void mlx5_devlink_trap_report(struct mlx5_core_dev *dev, int trap_id, struct sk_buff *skb,
51			      struct devlink_port *dl_port);
52int mlx5_devlink_trap_get_num_active(struct mlx5_core_dev *dev);
53int mlx5_devlink_traps_get_action(struct mlx5_core_dev *dev, int trap_id,
54				  enum devlink_trap_action *action);
55int mlx5_devlink_traps_register(struct devlink *devlink);
56void mlx5_devlink_traps_unregister(struct devlink *devlink);
57
58struct devlink *mlx5_devlink_alloc(struct device *dev);
59void mlx5_devlink_free(struct devlink *devlink);
60int mlx5_devlink_params_register(struct devlink *devlink);
61void mlx5_devlink_params_unregister(struct devlink *devlink);
62
63static inline bool mlx5_core_is_eth_enabled(struct mlx5_core_dev *dev)
64{
65	union devlink_param_value val;
66	int err;
67
68	err = devl_param_driverinit_value_get(priv_to_devlink(dev),
69					      DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
70					      &val);
71	return err ? false : val.vbool;
72}
73
74#endif /* __MLX5_DEVLINK_H__ */