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

source code of linux/drivers/net/ethernet/huawei/hinic/hinic_dev.h