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-rw-r--r--net/tipc/dbg.c112
1 files changed, 56 insertions, 56 deletions
diff --git a/net/tipc/dbg.c b/net/tipc/dbg.c
index 7ed60a1cfbb8..4f4beefa7830 100644
--- a/net/tipc/dbg.c
+++ b/net/tipc/dbg.c
@@ -44,10 +44,10 @@ static char print_string[MAX_STRING];
44static spinlock_t print_lock = SPIN_LOCK_UNLOCKED; 44static spinlock_t print_lock = SPIN_LOCK_UNLOCKED;
45 45
46static struct print_buf cons_buf = { NULL, 0, NULL, NULL }; 46static struct print_buf cons_buf = { NULL, 0, NULL, NULL };
47struct print_buf *CONS = &cons_buf; 47struct print_buf *TIPC_CONS = &cons_buf;
48 48
49static struct print_buf log_buf = { NULL, 0, NULL, NULL }; 49static struct print_buf log_buf = { NULL, 0, NULL, NULL };
50struct print_buf *LOG = &log_buf; 50struct print_buf *TIPC_LOG = &log_buf;
51 51
52 52
53#define FORMAT(PTR,LEN,FMT) \ 53#define FORMAT(PTR,LEN,FMT) \
@@ -66,15 +66,15 @@ struct print_buf *LOG = &log_buf;
66 * simultaneous use of the print buffer(s) being manipulated. 66 * simultaneous use of the print buffer(s) being manipulated.
67 * 2) tipc_printf() uses 'print_lock' to prevent simultaneous use of 67 * 2) tipc_printf() uses 'print_lock' to prevent simultaneous use of
68 * 'print_string' and to protect its print buffer(s). 68 * 'print_string' and to protect its print buffer(s).
69 * 3) TEE() uses 'print_lock' to protect its print buffer(s). 69 * 3) TIPC_TEE() uses 'print_lock' to protect its print buffer(s).
70 * 4) Routines of the form log_XXX() uses 'print_lock' to protect LOG. 70 * 4) Routines of the form log_XXX() uses 'print_lock' to protect TIPC_LOG.
71 */ 71 */
72 72
73/** 73/**
74 * printbuf_init - initialize print buffer to empty 74 * tipc_printbuf_init - initialize print buffer to empty
75 */ 75 */
76 76
77void printbuf_init(struct print_buf *pb, char *raw, u32 sz) 77void tipc_printbuf_init(struct print_buf *pb, char *raw, u32 sz)
78{ 78{
79 if (!pb || !raw || (sz < (MAX_STRING + 1))) 79 if (!pb || !raw || (sz < (MAX_STRING + 1)))
80 return; 80 return;
@@ -87,26 +87,26 @@ void printbuf_init(struct print_buf *pb, char *raw, u32 sz)
87} 87}
88 88
89/** 89/**
90 * printbuf_reset - reinitialize print buffer to empty state 90 * tipc_printbuf_reset - reinitialize print buffer to empty state
91 */ 91 */
92 92
93void printbuf_reset(struct print_buf *pb) 93void tipc_printbuf_reset(struct print_buf *pb)
94{ 94{
95 if (pb && pb->buf) 95 if (pb && pb->buf)
96 printbuf_init(pb, pb->buf, pb->size); 96 tipc_printbuf_init(pb, pb->buf, pb->size);
97} 97}
98 98
99/** 99/**
100 * printbuf_empty - test if print buffer is in empty state 100 * tipc_printbuf_empty - test if print buffer is in empty state
101 */ 101 */
102 102
103int printbuf_empty(struct print_buf *pb) 103int tipc_printbuf_empty(struct print_buf *pb)
104{ 104{
105 return (!pb || !pb->buf || (pb->crs == pb->buf)); 105 return (!pb || !pb->buf || (pb->crs == pb->buf));
106} 106}
107 107
108/** 108/**
109 * printbuf_validate - check for print buffer overflow 109 * tipc_printbuf_validate - check for print buffer overflow
110 * 110 *
111 * Verifies that a print buffer has captured all data written to it. 111 * Verifies that a print buffer has captured all data written to it.
112 * If data has been lost, linearize buffer and prepend an error message 112 * If data has been lost, linearize buffer and prepend an error message
@@ -114,7 +114,7 @@ int printbuf_empty(struct print_buf *pb)
114 * Returns length of print buffer data string (including trailing NULL) 114 * Returns length of print buffer data string (including trailing NULL)
115 */ 115 */
116 116
117int printbuf_validate(struct print_buf *pb) 117int tipc_printbuf_validate(struct print_buf *pb)
118{ 118{
119 char *err = " *** PRINT BUFFER WRAPPED AROUND ***\n"; 119 char *err = " *** PRINT BUFFER WRAPPED AROUND ***\n";
120 char *cp_buf; 120 char *cp_buf;
@@ -126,13 +126,13 @@ int printbuf_validate(struct print_buf *pb)
126 if (pb->buf[pb->size - 1] == '\0') { 126 if (pb->buf[pb->size - 1] == '\0') {
127 cp_buf = kmalloc(pb->size, GFP_ATOMIC); 127 cp_buf = kmalloc(pb->size, GFP_ATOMIC);
128 if (cp_buf != NULL){ 128 if (cp_buf != NULL){
129 printbuf_init(&cb, cp_buf, pb->size); 129 tipc_printbuf_init(&cb, cp_buf, pb->size);
130 printbuf_move(&cb, pb); 130 tipc_printbuf_move(&cb, pb);
131 printbuf_move(pb, &cb); 131 tipc_printbuf_move(pb, &cb);
132 kfree(cp_buf); 132 kfree(cp_buf);
133 memcpy(pb->buf, err, strlen(err)); 133 memcpy(pb->buf, err, strlen(err));
134 } else { 134 } else {
135 printbuf_reset(pb); 135 tipc_printbuf_reset(pb);
136 tipc_printf(pb, err); 136 tipc_printf(pb, err);
137 } 137 }
138 } 138 }
@@ -140,13 +140,13 @@ int printbuf_validate(struct print_buf *pb)
140} 140}
141 141
142/** 142/**
143 * printbuf_move - move print buffer contents to another print buffer 143 * tipc_printbuf_move - move print buffer contents to another print buffer
144 * 144 *
145 * Current contents of destination print buffer (if any) are discarded. 145 * Current contents of destination print buffer (if any) are discarded.
146 * Source print buffer becomes empty if a successful move occurs. 146 * Source print buffer becomes empty if a successful move occurs.
147 */ 147 */
148 148
149void printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from) 149void tipc_printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from)
150{ 150{
151 int len; 151 int len;
152 152
@@ -156,12 +156,12 @@ void printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from)
156 return; 156 return;
157 157
158 if (!pb_from || !pb_from->buf) { 158 if (!pb_from || !pb_from->buf) {
159 printbuf_reset(pb_to); 159 tipc_printbuf_reset(pb_to);
160 return; 160 return;
161 } 161 }
162 162
163 if (pb_to->size < pb_from->size) { 163 if (pb_to->size < pb_from->size) {
164 printbuf_reset(pb_to); 164 tipc_printbuf_reset(pb_to);
165 tipc_printf(pb_to, "*** PRINT BUFFER OVERFLOW ***"); 165 tipc_printf(pb_to, "*** PRINT BUFFER OVERFLOW ***");
166 return; 166 return;
167 } 167 }
@@ -179,7 +179,7 @@ void printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from)
179 strcpy(pb_to->crs, pb_from->buf); 179 strcpy(pb_to->crs, pb_from->buf);
180 pb_to->crs += len; 180 pb_to->crs += len;
181 181
182 printbuf_reset(pb_from); 182 tipc_printbuf_reset(pb_from);
183} 183}
184 184
185/** 185/**
@@ -199,7 +199,7 @@ void tipc_printf(struct print_buf *pb, const char *fmt, ...)
199 strcpy(print_string, "*** STRING TOO LONG ***"); 199 strcpy(print_string, "*** STRING TOO LONG ***");
200 200
201 while (pb) { 201 while (pb) {
202 if (pb == CONS) 202 if (pb == TIPC_CONS)
203 printk(print_string); 203 printk(print_string);
204 else if (pb->buf) { 204 else if (pb->buf) {
205 chars_left = pb->buf + pb->size - pb->crs - 1; 205 chars_left = pb->buf + pb->size - pb->crs - 1;
@@ -223,10 +223,10 @@ void tipc_printf(struct print_buf *pb, const char *fmt, ...)
223} 223}
224 224
225/** 225/**
226 * TEE - perform next output operation on both print buffers 226 * TIPC_TEE - perform next output operation on both print buffers
227 */ 227 */
228 228
229struct print_buf *TEE(struct print_buf *b0, struct print_buf *b1) 229struct print_buf *TIPC_TEE(struct print_buf *b0, struct print_buf *b1)
230{ 230{
231 struct print_buf *pb = b0; 231 struct print_buf *pb = b0;
232 232
@@ -294,96 +294,96 @@ void tipc_dump(struct print_buf *pb, const char *fmt, ...)
294 int len; 294 int len;
295 295
296 spin_lock_bh(&print_lock); 296 spin_lock_bh(&print_lock);
297 FORMAT(CONS->buf, len, fmt); 297 FORMAT(TIPC_CONS->buf, len, fmt);
298 printk(CONS->buf); 298 printk(TIPC_CONS->buf);
299 299
300 for (; pb; pb = pb->next) { 300 for (; pb; pb = pb->next) {
301 if (pb == CONS) 301 if (pb == TIPC_CONS)
302 continue; 302 continue;
303 printk("\n---- Start of dump,%s log ----\n\n", 303 printk("\n---- Start of dump,%s log ----\n\n",
304 (pb == LOG) ? "global" : "local"); 304 (pb == TIPC_LOG) ? "global" : "local");
305 printbuf_dump(pb); 305 printbuf_dump(pb);
306 printbuf_reset(pb); 306 tipc_printbuf_reset(pb);
307 printk("\n-------- End of dump --------\n"); 307 printk("\n-------- End of dump --------\n");
308 } 308 }
309 spin_unlock_bh(&print_lock); 309 spin_unlock_bh(&print_lock);
310} 310}
311 311
312/** 312/**
313 * log_stop - free up TIPC log print buffer 313 * tipc_log_stop - free up TIPC log print buffer
314 */ 314 */
315 315
316void log_stop(void) 316void tipc_log_stop(void)
317{ 317{
318 spin_lock_bh(&print_lock); 318 spin_lock_bh(&print_lock);
319 if (LOG->buf) { 319 if (TIPC_LOG->buf) {
320 kfree(LOG->buf); 320 kfree(TIPC_LOG->buf);
321 LOG->buf = NULL; 321 TIPC_LOG->buf = NULL;
322 } 322 }
323 spin_unlock_bh(&print_lock); 323 spin_unlock_bh(&print_lock);
324} 324}
325 325
326/** 326/**
327 * log_reinit - set TIPC log print buffer to specified size 327 * tipc_log_reinit - set TIPC log print buffer to specified size
328 */ 328 */
329 329
330void log_reinit(int log_size) 330void tipc_log_reinit(int log_size)
331{ 331{
332 log_stop(); 332 tipc_log_stop();
333 333
334 if (log_size) { 334 if (log_size) {
335 if (log_size <= MAX_STRING) 335 if (log_size <= MAX_STRING)
336 log_size = MAX_STRING + 1; 336 log_size = MAX_STRING + 1;
337 spin_lock_bh(&print_lock); 337 spin_lock_bh(&print_lock);
338 printbuf_init(LOG, kmalloc(log_size, GFP_ATOMIC), log_size); 338 tipc_printbuf_init(TIPC_LOG, kmalloc(log_size, GFP_ATOMIC), log_size);
339 spin_unlock_bh(&print_lock); 339 spin_unlock_bh(&print_lock);
340 } 340 }
341} 341}
342 342
343/** 343/**
344 * log_resize - reconfigure size of TIPC log buffer 344 * tipc_log_resize - reconfigure size of TIPC log buffer
345 */ 345 */
346 346
347struct sk_buff *log_resize(const void *req_tlv_area, int req_tlv_space) 347struct sk_buff *tipc_log_resize(const void *req_tlv_area, int req_tlv_space)
348{ 348{
349 u32 value; 349 u32 value;
350 350
351 if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) 351 if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED))
352 return cfg_reply_error_string(TIPC_CFG_TLV_ERROR); 352 return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
353 353
354 value = *(u32 *)TLV_DATA(req_tlv_area); 354 value = *(u32 *)TLV_DATA(req_tlv_area);
355 value = ntohl(value); 355 value = ntohl(value);
356 if (value != delimit(value, 0, 32768)) 356 if (value != delimit(value, 0, 32768))
357 return cfg_reply_error_string(TIPC_CFG_INVALID_VALUE 357 return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
358 " (log size must be 0-32768)"); 358 " (log size must be 0-32768)");
359 log_reinit(value); 359 tipc_log_reinit(value);
360 return cfg_reply_none(); 360 return tipc_cfg_reply_none();
361} 361}
362 362
363/** 363/**
364 * log_dump - capture TIPC log buffer contents in configuration message 364 * tipc_log_dump - capture TIPC log buffer contents in configuration message
365 */ 365 */
366 366
367struct sk_buff *log_dump(void) 367struct sk_buff *tipc_log_dump(void)
368{ 368{
369 struct sk_buff *reply; 369 struct sk_buff *reply;
370 370
371 spin_lock_bh(&print_lock); 371 spin_lock_bh(&print_lock);
372 if (!LOG->buf) 372 if (!TIPC_LOG->buf)
373 reply = cfg_reply_ultra_string("log not activated\n"); 373 reply = tipc_cfg_reply_ultra_string("log not activated\n");
374 else if (printbuf_empty(LOG)) 374 else if (tipc_printbuf_empty(TIPC_LOG))
375 reply = cfg_reply_ultra_string("log is empty\n"); 375 reply = tipc_cfg_reply_ultra_string("log is empty\n");
376 else { 376 else {
377 struct tlv_desc *rep_tlv; 377 struct tlv_desc *rep_tlv;
378 struct print_buf pb; 378 struct print_buf pb;
379 int str_len; 379 int str_len;
380 380
381 str_len = min(LOG->size, 32768u); 381 str_len = min(TIPC_LOG->size, 32768u);
382 reply = cfg_reply_alloc(TLV_SPACE(str_len)); 382 reply = tipc_cfg_reply_alloc(TLV_SPACE(str_len));
383 if (reply) { 383 if (reply) {
384 rep_tlv = (struct tlv_desc *)reply->data; 384 rep_tlv = (struct tlv_desc *)reply->data;
385 printbuf_init(&pb, TLV_DATA(rep_tlv), str_len); 385 tipc_printbuf_init(&pb, TLV_DATA(rep_tlv), str_len);
386 printbuf_move(&pb, LOG); 386 tipc_printbuf_move(&pb, TIPC_LOG);
387 str_len = strlen(TLV_DATA(rep_tlv)) + 1; 387 str_len = strlen(TLV_DATA(rep_tlv)) + 1;
388 skb_put(reply, TLV_SPACE(str_len)); 388 skb_put(reply, TLV_SPACE(str_len));
389 TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len); 389 TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len);