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