-/* SCTP kernel reference Implementation
+/* SCTP kernel implementation
* (C) Copyright IBM Corp. 2001, 2004
*
- * This file is part of the SCTP kernel reference Implementation
+ * This file is part of the SCTP kernel implementation
*
* Support for memory object debugging. This allows one to monitor the
* object allocations/deallocations for types instrumented for this
* via the proc fs.
*
- * The SCTP reference implementation is free software;
+ * This SCTP implementation is free software;
* you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
- * The SCTP reference implementation is distributed in the hope that it
+ * This SCTP implementation is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* ************************
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
SCTP_DBG_OBJCNT(addr);
SCTP_DBG_OBJCNT(ssnmap);
SCTP_DBG_OBJCNT(datamsg);
+SCTP_DBG_OBJCNT(keys);
/* An array to make it easy to pretty print the debug information
* to the proc fs.
SCTP_DBG_OBJCNT_ENTRY(addr),
SCTP_DBG_OBJCNT_ENTRY(ssnmap),
SCTP_DBG_OBJCNT_ENTRY(datamsg),
+ SCTP_DBG_OBJCNT_ENTRY(keys),
};
/* Callback from procfs to read out objcount information.
* Walk through the entries in the sctp_dbg_objcnt array, dumping
* the raw object counts for each monitored type.
- *
- * This code was modified from similar code in route.c
*/
-static int sctp_dbg_objcnt_read(char *buffer, char **start, off_t offset,
- int length, int *eof, void *data)
+static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
+{
+ int i, len;
+
+ i = (int)*(loff_t *)v;
+ seq_printf(seq, "%s: %d%n", sctp_dbg_objcnt[i].label,
+ atomic_read(sctp_dbg_objcnt[i].counter), &len);
+ seq_printf(seq, "%*s\n", 127 - len, "");
+ return 0;
+}
+
+static void *sctp_objcnt_seq_start(struct seq_file *seq, loff_t *pos)
{
- int len = 0;
- off_t pos = 0;
- int entries;
- int i;
- char temp[128];
-
- /* How many entries? */
- entries = ARRAY_SIZE(sctp_dbg_objcnt);
-
- /* Walk the entries and print out the debug information
- * for proc fs.
- */
- for (i = 0; i < entries; i++) {
- pos += 128;
-
- /* Skip ahead. */
- if (pos <= offset) {
- len = 0;
- continue;
- }
- /* Print out each entry. */
- sprintf(temp, "%s: %d",
- sctp_dbg_objcnt[i].label,
- atomic_read(sctp_dbg_objcnt[i].counter));
-
- sprintf(buffer + len, "%-127s\n", temp);
- len += 128;
- if (pos >= offset+length)
- goto done;
- }
-
-done:
- *start = buffer + len - (pos - offset);
- len = pos - offset;
- if (len > length)
- len = length;
-
- return len;
+ return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos;
}
+static void sctp_objcnt_seq_stop(struct seq_file *seq, void *v)
+{
+}
+
+static void * sctp_objcnt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ ++*pos;
+ return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos;
+}
+
+static const struct seq_operations sctp_objcnt_seq_ops = {
+ .start = sctp_objcnt_seq_start,
+ .next = sctp_objcnt_seq_next,
+ .stop = sctp_objcnt_seq_stop,
+ .show = sctp_objcnt_seq_show,
+};
+
+static int sctp_objcnt_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &sctp_objcnt_seq_ops);
+}
+
+static const struct file_operations sctp_objcnt_ops = {
+ .open = sctp_objcnt_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
/* Initialize the objcount in the proc filesystem. */
void sctp_dbg_objcnt_init(void)
{
struct proc_dir_entry *ent;
- ent = create_proc_read_entry("sctp_dbg_objcnt", 0, proc_net_sctp,
- sctp_dbg_objcnt_read, NULL);
+
+ ent = proc_create("sctp_dbg_objcnt", 0,
+ proc_net_sctp, &sctp_objcnt_ops);
if (!ent)
printk(KERN_WARNING
"sctp_dbg_objcnt: Unable to create /proc entry.\n");