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41#include <linux/kernel.h>
42#include <net/sctp/sctp.h>
43
44
45
46
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48
49
50
51SCTP_DBG_OBJCNT(sock);
52SCTP_DBG_OBJCNT(ep);
53SCTP_DBG_OBJCNT(transport);
54SCTP_DBG_OBJCNT(assoc);
55SCTP_DBG_OBJCNT(bind_addr);
56SCTP_DBG_OBJCNT(bind_bucket);
57SCTP_DBG_OBJCNT(chunk);
58SCTP_DBG_OBJCNT(addr);
59SCTP_DBG_OBJCNT(ssnmap);
60SCTP_DBG_OBJCNT(datamsg);
61SCTP_DBG_OBJCNT(keys);
62
63
64
65
66static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = {
67 SCTP_DBG_OBJCNT_ENTRY(sock),
68 SCTP_DBG_OBJCNT_ENTRY(ep),
69 SCTP_DBG_OBJCNT_ENTRY(assoc),
70 SCTP_DBG_OBJCNT_ENTRY(transport),
71 SCTP_DBG_OBJCNT_ENTRY(chunk),
72 SCTP_DBG_OBJCNT_ENTRY(bind_addr),
73 SCTP_DBG_OBJCNT_ENTRY(bind_bucket),
74 SCTP_DBG_OBJCNT_ENTRY(addr),
75 SCTP_DBG_OBJCNT_ENTRY(ssnmap),
76 SCTP_DBG_OBJCNT_ENTRY(datamsg),
77 SCTP_DBG_OBJCNT_ENTRY(keys),
78};
79
80
81
82
83
84static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
85{
86 int i, len;
87
88 i = (int)*(loff_t *)v;
89 seq_printf(seq, "%s: %d%n", sctp_dbg_objcnt[i].label,
90 atomic_read(sctp_dbg_objcnt[i].counter), &len);
91 seq_printf(seq, "%*s\n", 127 - len, "");
92 return 0;
93}
94
95static void *sctp_objcnt_seq_start(struct seq_file *seq, loff_t *pos)
96{
97 return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos;
98}
99
100static void sctp_objcnt_seq_stop(struct seq_file *seq, void *v)
101{
102}
103
104static void * sctp_objcnt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
105{
106 ++*pos;
107 return (*pos >= ARRAY_SIZE(sctp_dbg_objcnt)) ? NULL : (void *)pos;
108}
109
110static const struct seq_operations sctp_objcnt_seq_ops = {
111 .start = sctp_objcnt_seq_start,
112 .next = sctp_objcnt_seq_next,
113 .stop = sctp_objcnt_seq_stop,
114 .show = sctp_objcnt_seq_show,
115};
116
117static int sctp_objcnt_seq_open(struct inode *inode, struct file *file)
118{
119 return seq_open(file, &sctp_objcnt_seq_ops);
120}
121
122static const struct file_operations sctp_objcnt_ops = {
123 .open = sctp_objcnt_seq_open,
124 .read = seq_read,
125 .llseek = seq_lseek,
126 .release = seq_release,
127};
128
129
130void sctp_dbg_objcnt_init(void)
131{
132 struct proc_dir_entry *ent;
133
134 ent = proc_create("sctp_dbg_objcnt", 0,
135 proc_net_sctp, &sctp_objcnt_ops);
136 if (!ent)
137 printk(KERN_WARNING
138 "sctp_dbg_objcnt: Unable to create /proc entry.\n");
139}
140
141
142void sctp_dbg_objcnt_exit(void)
143{
144 remove_proc_entry("sctp_dbg_objcnt", proc_net_sctp);
145}
146
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148