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 enum hinic_flags {
24 	HINIC_LINK_UP = BIT(0),
25 	HINIC_INTF_UP = BIT(1),
26 	HINIC_RSS_ENABLE = BIT(2),
27 	HINIC_LINK_DOWN = BIT(3),
28 };
29 
30 struct hinic_rx_mode_work {
31 	struct work_struct      work;
32 	u32                     rx_mode;
33 };
34 
35 struct hinic_rss_type {
36 	u8 tcp_ipv6_ext;
37 	u8 ipv6_ext;
38 	u8 tcp_ipv6;
39 	u8 ipv6;
40 	u8 tcp_ipv4;
41 	u8 ipv4;
42 	u8 udp_ipv6;
43 	u8 udp_ipv4;
44 };
45 
46 enum hinic_rss_hash_type {
47 	HINIC_RSS_HASH_ENGINE_TYPE_XOR,
48 	HINIC_RSS_HASH_ENGINE_TYPE_TOEP,
49 	HINIC_RSS_HASH_ENGINE_TYPE_MAX,
50 };
51 
52 struct hinic_dev {
53 	struct net_device               *netdev;
54 	struct hinic_hwdev              *hwdev;
55 
56 	u32                             msg_enable;
57 	unsigned int                    tx_weight;
58 	unsigned int                    rx_weight;
59 	u16				num_qps;
60 	u16				max_qps;
61 
62 	unsigned int                    flags;
63 
64 	struct semaphore                mgmt_lock;
65 	unsigned long                   *vlan_bitmap;
66 
67 	struct hinic_rx_mode_work       rx_mode_work;
68 	struct workqueue_struct         *workq;
69 
70 	struct hinic_txq                *txqs;
71 	struct hinic_rxq                *rxqs;
72 	u16				sq_depth;
73 	u16				rq_depth;
74 
75 	struct hinic_txq_stats          tx_stats;
76 	struct hinic_rxq_stats          rx_stats;
77 
78 	u8				rss_tmpl_idx;
79 	u8				rss_hash_engine;
80 	u16				num_rss;
81 	u16				rss_limit;
82 	struct hinic_rss_type		rss_type;
83 	u8				*rss_hkey_user;
84 	s32				*rss_indir_user;
85 	struct hinic_sriov_info sriov_info;
86 };
87 
88 #endif
89