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 
29 enum 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 
37 struct hinic_rx_mode_work {
38 	struct work_struct      work;
39 	u32                     rx_mode;
40 };
41 
42 struct 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 
53 enum 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 
59 struct hinic_intr_coal_info {
60 	u8	pending_limt;
61 	u8	coalesce_timer_cfg;
62 	u8	resend_timer_cfg;
63 };
64 
65 enum hinic_dbg_type {
66 	HINIC_DBG_SQ_INFO,
67 	HINIC_DBG_RQ_INFO,
68 	HINIC_DBG_FUNC_TABLE,
69 };
70 
71 struct 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 
79 struct 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 
126 struct 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