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37#ifndef _TIPC_CORE_H
38#define _TIPC_CORE_H
39
40#include <linux/tipc.h>
41#include <linux/tipc_config.h>
42#include <net/tipc/tipc_msg.h>
43#include <net/tipc/tipc_port.h>
44#include <net/tipc/tipc_bearer.h>
45#include <net/tipc/tipc.h>
46#include <linux/types.h>
47#include <linux/kernel.h>
48#include <linux/errno.h>
49#include <linux/mm.h>
50#include <linux/timer.h>
51#include <linux/string.h>
52#include <asm/uaccess.h>
53#include <linux/interrupt.h>
54#include <asm/atomic.h>
55#include <asm/hardirq.h>
56#include <linux/netdevice.h>
57#include <linux/in.h>
58#include <linux/list.h>
59#include <linux/vmalloc.h>
60
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64
65#define assert(i) BUG_ON(!(i))
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83extern struct print_buf *const TIPC_NULL;
84extern struct print_buf *const TIPC_CONS;
85extern struct print_buf *const TIPC_LOG;
86
87void tipc_printf(struct print_buf *, const char *fmt, ...);
88
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91
92
93#ifndef TIPC_OUTPUT
94#define TIPC_OUTPUT TIPC_LOG
95#endif
96
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101
102#ifdef CONFIG_TIPC_DEBUG
103
104#define err(fmt, arg...) tipc_printf(TIPC_OUTPUT, \
105 KERN_ERR "TIPC: " fmt, ## arg)
106#define warn(fmt, arg...) tipc_printf(TIPC_OUTPUT, \
107 KERN_WARNING "TIPC: " fmt, ## arg)
108#define info(fmt, arg...) tipc_printf(TIPC_OUTPUT, \
109 KERN_NOTICE "TIPC: " fmt, ## arg)
110
111#else
112
113#define err(fmt, arg...) printk(KERN_ERR "TIPC: " fmt , ## arg)
114#define info(fmt, arg...) printk(KERN_INFO "TIPC: " fmt , ## arg)
115#define warn(fmt, arg...) printk(KERN_WARNING "TIPC: " fmt , ## arg)
116
117#endif
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125
126#ifndef DBG_OUTPUT
127#define DBG_OUTPUT TIPC_NULL
128#endif
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134
135#ifdef CONFIG_TIPC_DEBUG
136
137#define dbg(fmt, arg...) \
138 do { \
139 if (DBG_OUTPUT != TIPC_NULL) \
140 tipc_printf(DBG_OUTPUT, fmt, ## arg); \
141 } while (0)
142#define msg_dbg(msg, txt) \
143 do { \
144 if (DBG_OUTPUT != TIPC_NULL) \
145 tipc_msg_dbg(DBG_OUTPUT, msg, txt); \
146 } while (0)
147#define dump(fmt, arg...) \
148 do { \
149 if (DBG_OUTPUT != TIPC_NULL) \
150 tipc_dump_dbg(DBG_OUTPUT, fmt, ##arg); \
151 } while (0)
152
153void tipc_msg_dbg(struct print_buf *, struct tipc_msg *, const char *);
154void tipc_dump_dbg(struct print_buf *, const char *fmt, ...);
155
156#else
157
158#define dbg(fmt, arg...) do {} while (0)
159#define msg_dbg(msg, txt) do {} while (0)
160#define dump(fmt, arg...) do {} while (0)
161
162#define tipc_msg_dbg(...) do {} while (0)
163#define tipc_dump_dbg(...) do {} while (0)
164
165#endif
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171
172#define ELINKCONG EAGAIN
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177
178extern u32 tipc_own_addr;
179extern int tipc_max_zones;
180extern int tipc_max_clusters;
181extern int tipc_max_nodes;
182extern int tipc_max_slaves;
183extern int tipc_max_ports;
184extern int tipc_max_subscriptions;
185extern int tipc_max_publications;
186extern int tipc_net_id;
187extern int tipc_remote_management;
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193extern int tipc_mode;
194extern int tipc_random;
195extern const char tipc_alphabet[];
196extern atomic_t tipc_user_count;
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202
203extern int tipc_core_start(void);
204extern void tipc_core_stop(void);
205extern int tipc_core_start_net(unsigned long addr);
206extern void tipc_core_stop_net(void);
207extern int tipc_handler_start(void);
208extern void tipc_handler_stop(void);
209extern int tipc_netlink_start(void);
210extern void tipc_netlink_stop(void);
211extern int tipc_socket_init(void);
212extern void tipc_socket_stop(void);
213
214static inline int delimit(int val, int min, int max)
215{
216 if (val > max)
217 return max;
218 if (val < min)
219 return min;
220 return val;
221}
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227
228typedef void (*Handler) (unsigned long);
229
230u32 tipc_k_signal(Handler routine, unsigned long argument);
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241static inline void k_init_timer(struct timer_list *timer, Handler routine,
242 unsigned long argument)
243{
244 dbg("initializing timer %p\n", timer);
245 setup_timer(timer, routine, argument);
246}
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262static inline void k_start_timer(struct timer_list *timer, unsigned long msec)
263{
264 dbg("starting timer %p for %u\n", timer, msec);
265 mod_timer(timer, jiffies + msecs_to_jiffies(msec) + 1);
266}
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278
279static inline void k_cancel_timer(struct timer_list *timer)
280{
281 dbg("cancelling timer %p\n", timer);
282 del_timer_sync(timer);
283}
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297static inline void k_term_timer(struct timer_list *timer)
298{
299 dbg("terminating timer %p\n", timer);
300}
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313#define BUF_HEADROOM LL_MAX_HEADER
314
315struct tipc_skb_cb {
316 void *handle;
317};
318
319#define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0]))
320
321
322static inline struct tipc_msg *buf_msg(struct sk_buff *skb)
323{
324 return (struct tipc_msg *)skb->data;
325}
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337static inline struct sk_buff *buf_acquire(u32 size)
338{
339 struct sk_buff *skb;
340 unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u;
341
342 skb = alloc_skb_fclone(buf_size, GFP_ATOMIC);
343 if (skb) {
344 skb_reserve(skb, BUF_HEADROOM);
345 skb_put(skb, size);
346 skb->next = NULL;
347 }
348 return skb;
349}
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358static inline void buf_discard(struct sk_buff *skb)
359{
360 kfree_skb(skb);
361}
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370static inline int buf_linearize(struct sk_buff *skb)
371{
372 return skb_linearize(skb);
373}
374
375#endif
376