drivers/net/fjes/fjes.h

   1 /*
   2  *  FUJITSU Extended Socket Network Device driver
   3  *  Copyright (c) 2015 FUJITSU LIMITED
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * The full GNU General Public License is included in this distribution in
  18  * the file called "COPYING".
  19  *
  20  */
  21
  22 #ifndef FJES_H_
  23 #define FJES_H_
  24
  25 #include <linux/acpi.h>
  26
  27 #include "fjes_hw.h"
  28
  29 #define FJES_ACPI_SYMBOL        "Extended Socket"
  30 #define FJES_MAX_QUEUES         1
  31 #define FJES_TX_RETRY_INTERVAL  (20 * HZ)
  32 #define FJES_TX_RETRY_TIMEOUT   (100)
  33 #define FJES_TX_TX_STALL_TIMEOUT        (FJES_TX_RETRY_INTERVAL / 2)
  34 #define FJES_OPEN_ZONE_UPDATE_WAIT      (300) /* msec */
  35 #define FJES_IRQ_WATCH_DELAY    (HZ)
  36
  37 /* board specific private data structure */
  38 struct fjes_adapter {
  39         struct net_device *netdev;
  40         struct platform_device *plat_dev;
  41
  42         struct napi_struct napi;
  43         struct rtnl_link_stats64 stats64;
  44
  45         unsigned int tx_retry_count;
  46         unsigned long tx_start_jiffies;
  47         unsigned long rx_last_jiffies;
  48         bool unset_rx_last;
  49
  50         struct work_struct force_close_task;
  51         bool force_reset;
  52         bool open_guard;
  53
  54         bool irq_registered;
  55
  56         struct workqueue_struct *txrx_wq;
  57         struct workqueue_struct *control_wq;
  58
  59         struct work_struct tx_stall_task;
  60         struct work_struct raise_intr_rxdata_task;
  61
  62         struct work_struct unshare_watch_task;
  63         unsigned long unshare_watch_bitmask;
  64
  65         struct delayed_work interrupt_watch_task;
  66         bool interrupt_watch_enable;
  67
  68         struct fjes_hw hw;
  69
  70 #ifdef CONFIG_DEBUG_FS
  71         struct dentry *dbg_adapter;
  72 #endif
  73 };
  74
  75 extern char fjes_driver_name[];
  76 extern char fjes_driver_version[];
  77 extern const u32 fjes_support_mtu[];
  78
  79 void fjes_set_ethtool_ops(struct net_device *);
  80
  81 #ifdef CONFIG_DEBUG_FS
  82 void fjes_dbg_adapter_init(struct fjes_adapter *adapter);
  83 void fjes_dbg_adapter_exit(struct fjes_adapter *adapter);
  84 void fjes_dbg_init(void);
  85 void fjes_dbg_exit(void);
  86 #else
  87 static inline void fjes_dbg_adapter_init(struct fjes_adapter *adapter) {}
  88 static inline void fjes_dbg_adapter_exit(struct fjes_adapter *adapter) {}
  89 static inline void fjes_dbg_init(void) {}
  90 static inline void fjes_dbg_exit(void) {}
  91 #endif /* CONFIG_DEBUG_FS */
  92
  93 #endif /* FJES_H_ */