1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Huawei HiNIC PCI Express Linux driver
4 * Copyright(c) 2017 Huawei Technologies Co., Ltd
5 */
6
7#ifndef HINIC_DEV_H
8#define HINIC_DEV_H
9
10#include <linux/netdevice.h>
11#include <linux/types.h>
12#include <linux/semaphore.h>
13#include <linux/workqueue.h>
14#include <linux/bitops.h>
15
16#include "hinic_hw_dev.h"
17#include "hinic_tx.h"
18#include "hinic_rx.h"
19#include "hinic_sriov.h"
20
21#define HINIC_DRV_NAME          "hinic"
22
23#define LP_PKT_CNT		64
24
25#define HINIC_MAX_JUMBO_FRAME_SIZE      15872
26#define HINIC_MAX_MTU_SIZE      (HINIC_MAX_JUMBO_FRAME_SIZE - ETH_HLEN - ETH_FCS_LEN)
27#define HINIC_MIN_MTU_SIZE      256
28
29enum hinic_flags {
30	HINIC_LINK_UP = BIT(0),
31	HINIC_INTF_UP = BIT(1),
32	HINIC_RSS_ENABLE = BIT(2),
33	HINIC_LINK_DOWN = BIT(3),
34	HINIC_LP_TEST = BIT(4),
35};
36
37struct hinic_rx_mode_work {
38	struct work_struct      work;
39	u32                     rx_mode;
40};
41
42struct hinic_rss_type {
43	u8 tcp_ipv6_ext;
44	u8 ipv6_ext;
45	u8 tcp_ipv6;
46	u8 ipv6;
47	u8 tcp_ipv4;
48	u8 ipv4;
49	u8 udp_ipv6;
50	u8 udp_ipv4;
51};
52
53enum hinic_rss_hash_type {
54	HINIC_RSS_HASH_ENGINE_TYPE_XOR,
55	HINIC_RSS_HASH_ENGINE_TYPE_TOEP,
56	HINIC_RSS_HASH_ENGINE_TYPE_MAX,
57};
58
59struct hinic_intr_coal_info {
60	u8	pending_limt;
61	u8	coalesce_timer_cfg;
62	u8	resend_timer_cfg;
63};
64
65enum hinic_dbg_type {
66	HINIC_DBG_SQ_INFO,
67	HINIC_DBG_RQ_INFO,
68	HINIC_DBG_FUNC_TABLE,
69};
70
71struct hinic_debug_priv {
72	struct hinic_dev	*dev;
73	void			*object;
74	enum hinic_dbg_type	type;
75	struct dentry		*root;
76	int			field_id[64];
77};
78
79struct hinic_dev {
80	struct net_device               *netdev;
81	struct hinic_hwdev              *hwdev;
82
83	u32                             msg_enable;
84	unsigned int                    tx_weight;
85	unsigned int                    rx_weight;
86	u16				num_qps;
87	u16				max_qps;
88
89	unsigned int                    flags;
90
91	struct semaphore                mgmt_lock;
92	unsigned long                   *vlan_bitmap;
93
94	struct hinic_rx_mode_work       rx_mode_work;
95	struct workqueue_struct         *workq;
96
97	struct hinic_txq                *txqs;
98	struct hinic_rxq                *rxqs;
99	u16				sq_depth;
100	u16				rq_depth;
101
102	u8				rss_tmpl_idx;
103	u8				rss_hash_engine;
104	u16				num_rss;
105	u16				rss_limit;
106	struct hinic_rss_type		rss_type;
107	u8				*rss_hkey_user;
108	s32				*rss_indir_user;
109	struct hinic_intr_coal_info	*rx_intr_coalesce;
110	struct hinic_intr_coal_info	*tx_intr_coalesce;
111	struct hinic_sriov_info sriov_info;
112	int				lb_test_rx_idx;
113	int				lb_pkt_len;
114	u8				*lb_test_rx_buf;
115
116	struct dentry			*dbgfs_root;
117	struct dentry			*sq_dbgfs;
118	struct dentry			*rq_dbgfs;
119	struct dentry			*func_tbl_dbgfs;
120	struct hinic_debug_priv		*dbg;
121	struct devlink			*devlink;
122	bool				cable_unplugged;
123	bool				module_unrecognized;
124};
125
126struct hinic_devlink_priv {
127	struct hinic_hwdev		*hwdev;
128	struct devlink_health_reporter  *hw_fault_reporter;
129	struct devlink_health_reporter  *fw_fault_reporter;
130};
131
132#endif
133