xref: /linux/drivers/net/fjes/fjes.h (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
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_ */
94