drivers/net/ethernet/huawei/hinic/hinic_dev.h

   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