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Kirill Smelkov
linux
Commits
a9b7fa76
Commit
a9b7fa76
authored
May 25, 2003
by
Hideaki Yoshifuji
Committed by
David S. Miller
May 25, 2003
Browse files
Options
Browse Files
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Email Patches
Plain Diff
[IPV4/6]: Common TCP procfs infrastructure.
parent
26a2fcbd
Changes
4
Show whitespace changes
Inline
Side-by-side
Showing
4 changed files
with
119 additions
and
78 deletions
+119
-78
include/net/tcp.h
include/net/tcp.h
+28
-0
net/ipv4/af_inet.c
net/ipv4/af_inet.c
+4
-4
net/ipv4/tcp_ipv4.c
net/ipv4/tcp_ipv4.c
+85
-74
net/netsyms.c
net/netsyms.c
+2
-0
No files found.
include/net/tcp.h
View file @
a9b7fa76
...
...
@@ -35,6 +35,7 @@
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
#include <linux/ipv6.h>
#endif
#include <linux/seq_file.h>
/* This is for all connections with a full identity, no wildcards.
* New scheme, half the table is for TIME_WAIT, the other half is
...
...
@@ -1889,4 +1890,31 @@ static inline void tcp_mib_init(void)
TCP_ADD_STATS_USER
(
TcpMaxConn
,
-
1
);
}
/* /proc */
enum
tcp_seq_states
{
TCP_SEQ_STATE_LISTENING
,
TCP_SEQ_STATE_OPENREQ
,
TCP_SEQ_STATE_ESTABLISHED
,
TCP_SEQ_STATE_TIME_WAIT
,
};
struct
tcp_seq_afinfo
{
struct
module
*
owner
;
char
*
name
;
sa_family_t
family
;
int
(
*
seq_show
)
(
struct
seq_file
*
m
,
void
*
v
);
struct
file_operations
*
seq_fops
;
};
struct
tcp_iter_state
{
sa_family_t
family
;
enum
tcp_seq_states
state
;
struct
sock
*
syn_wait_sk
;
int
bucket
,
sbucket
,
num
,
uid
;
struct
seq_operations
seq_ops
;
};
extern
int
tcp_proc_register
(
struct
tcp_seq_afinfo
*
afinfo
);
extern
void
tcp_proc_unregister
(
struct
tcp_seq_afinfo
*
afinfo
);
#endif
/* _TCP_H */
net/ipv4/af_inet.c
View file @
a9b7fa76
...
...
@@ -1237,8 +1237,8 @@ extern void fib_proc_exit(void);
extern
int
ip_misc_proc_init
(
void
);
extern
int
raw_proc_init
(
void
);
extern
void
raw_proc_exit
(
void
);
extern
int
tcp_proc_init
(
void
);
extern
void
tcp_proc_exit
(
void
);
extern
int
tcp
4
_proc_init
(
void
);
extern
void
tcp
4
_proc_exit
(
void
);
extern
int
udp4_proc_init
(
void
);
extern
void
udp4_proc_exit
(
void
);
...
...
@@ -1248,7 +1248,7 @@ int __init ipv4_proc_init(void)
if
(
raw_proc_init
())
goto
out_raw
;
if
(
tcp_proc_init
())
if
(
tcp
4
_proc_init
())
goto
out_tcp
;
if
(
udp4_proc_init
())
goto
out_udp
;
...
...
@@ -1263,7 +1263,7 @@ int __init ipv4_proc_init(void)
out_fib:
udp4_proc_exit
();
out_udp:
tcp_proc_exit
();
tcp
4
_proc_exit
();
out_tcp:
raw_proc_exit
();
out_raw:
...
...
net/ipv4/tcp_ipv4.c
View file @
a9b7fa76
...
...
@@ -2129,19 +2129,6 @@ static int tcp_v4_destroy_sock(struct sock *sk)
#ifdef CONFIG_PROC_FS
/* Proc filesystem TCP sock list dumping. */
enum
tcp_seq_states
{
TCP_SEQ_STATE_LISTENING
,
TCP_SEQ_STATE_OPENREQ
,
TCP_SEQ_STATE_ESTABLISHED
,
TCP_SEQ_STATE_TIME_WAIT
,
};
struct
tcp_iter_state
{
enum
tcp_seq_states
state
;
struct
sock
*
syn_wait_sk
;
int
bucket
,
sbucket
,
num
,
uid
;
};
static
void
*
listening_get_first
(
struct
seq_file
*
seq
)
{
struct
tcp_iter_state
*
st
=
seq
->
private
;
...
...
@@ -2155,7 +2142,7 @@ static void *listening_get_first(struct seq_file *seq)
if
(
!
sk
)
continue
;
++
st
->
num
;
if
(
TCP_INET_FAMILY
(
sk
->
family
)
)
{
if
(
sk
->
family
==
st
->
family
)
{
rc
=
sk
;
goto
out
;
}
...
...
@@ -2169,7 +2156,7 @@ static void *listening_get_first(struct seq_file *seq)
++
st
->
sbucket
)
{
for
(
req
=
tp
->
listen_opt
->
syn_table
[
st
->
sbucket
];
req
;
req
=
req
->
dl_next
,
++
st
->
num
)
{
if
(
!
TCP_INET_FAMILY
(
req
->
class
->
family
)
)
if
(
req
->
class
->
family
!=
st
->
family
)
continue
;
rc
=
req
;
goto
out
;
...
...
@@ -2197,7 +2184,7 @@ static void *listening_get_next(struct seq_file *seq, void *cur)
while
(
1
)
{
while
(
req
)
{
++
st
->
num
;
if
(
TCP_INET_FAMILY
(
req
->
class
->
family
)
)
{
if
(
req
->
class
->
family
==
st
->
family
)
{
cur
=
req
;
goto
out
;
}
...
...
@@ -2215,7 +2202,7 @@ static void *listening_get_next(struct seq_file *seq, void *cur)
sk
=
sk
->
next
;
get_sk:
while
(
sk
)
{
if
(
TCP_INET_FAMILY
(
sk
->
family
)
)
{
if
(
sk
->
family
==
st
->
family
)
{
cur
=
sk
;
goto
out
;
}
...
...
@@ -2262,7 +2249,7 @@ static void *established_get_first(struct seq_file *seq)
read_lock
(
&
tcp_ehash
[
st
->
bucket
].
lock
);
for
(
sk
=
tcp_ehash
[
st
->
bucket
].
chain
;
sk
;
sk
=
sk
->
next
,
++
st
->
num
)
{
if
(
!
TCP_INET_FAMILY
(
sk
->
family
)
)
if
(
sk
->
family
!=
st
->
family
)
continue
;
rc
=
sk
;
goto
out
;
...
...
@@ -2271,7 +2258,7 @@ static void *established_get_first(struct seq_file *seq)
for
(
tw
=
(
struct
tcp_tw_bucket
*
)
tcp_ehash
[
st
->
bucket
+
tcp_ehash_size
].
chain
;
tw
;
tw
=
(
struct
tcp_tw_bucket
*
)
tw
->
next
,
++
st
->
num
)
{
if
(
!
TCP_INET_FAMILY
(
tw
->
family
)
)
if
(
tw
->
family
!=
st
->
family
)
continue
;
rc
=
tw
;
goto
out
;
...
...
@@ -2293,7 +2280,7 @@ static void *established_get_next(struct seq_file *seq, void *cur)
tw
=
cur
;
tw
=
(
struct
tcp_tw_bucket
*
)
tw
->
next
;
get_tw:
while
(
tw
&&
!
TCP_INET_FAMILY
(
tw
->
family
)
)
{
while
(
tw
&&
tw
->
family
!=
st
->
family
)
{
++
st
->
num
;
tw
=
(
struct
tcp_tw_bucket
*
)
tw
->
next
;
}
...
...
@@ -2313,7 +2300,7 @@ static void *established_get_next(struct seq_file *seq, void *cur)
}
else
sk
=
sk
->
next
;
while
(
sk
&&
!
TCP_INET_FAMILY
(
sk
->
family
)
)
{
while
(
sk
&&
sk
->
family
!=
st
->
family
)
{
++
st
->
num
;
sk
=
sk
->
next
;
}
...
...
@@ -2417,7 +2404,65 @@ static void tcp_seq_stop(struct seq_file *seq, void *v)
}
}
static
void
get_openreq
(
struct
sock
*
sk
,
struct
open_request
*
req
,
static
int
tcp_seq_open
(
struct
inode
*
inode
,
struct
file
*
file
)
{
struct
tcp_seq_afinfo
*
afinfo
=
PDE
(
inode
)
->
data
;
struct
seq_file
*
seq
;
int
rc
=
-
ENOMEM
;
struct
tcp_iter_state
*
s
=
kmalloc
(
sizeof
(
*
s
),
GFP_KERNEL
);
if
(
!
s
)
goto
out
;
memset
(
s
,
0
,
sizeof
(
*
s
));
s
->
family
=
afinfo
->
family
;
s
->
seq_ops
.
start
=
tcp_seq_start
;
s
->
seq_ops
.
next
=
tcp_seq_next
;
s
->
seq_ops
.
show
=
afinfo
->
seq_show
;
s
->
seq_ops
.
stop
=
tcp_seq_stop
;
rc
=
seq_open
(
file
,
&
s
->
seq_ops
);
if
(
rc
)
goto
out_kfree
;
seq
=
file
->
private_data
;
seq
->
private
=
s
;
out:
return
rc
;
out_kfree:
kfree
(
s
);
goto
out
;
}
int
tcp_proc_register
(
struct
tcp_seq_afinfo
*
afinfo
)
{
int
rc
=
0
;
struct
proc_dir_entry
*
p
;
if
(
!
afinfo
)
return
-
EINVAL
;
afinfo
->
seq_fops
->
owner
=
afinfo
->
owner
;
afinfo
->
seq_fops
->
open
=
tcp_seq_open
;
afinfo
->
seq_fops
->
read
=
seq_read
;
afinfo
->
seq_fops
->
llseek
=
seq_lseek
;
afinfo
->
seq_fops
->
release
=
seq_release_private
;
p
=
create_proc_entry
(
afinfo
->
name
,
S_IRUGO
,
proc_net
);
if
(
p
)
{
p
->
data
=
afinfo
;
p
->
proc_fops
=
afinfo
->
seq_fops
;
}
else
rc
=
-
ENOMEM
;
return
rc
;
}
void
tcp_proc_unregister
(
struct
tcp_seq_afinfo
*
afinfo
)
{
if
(
!
afinfo
)
return
;
remove_proc_entry
(
afinfo
->
name
,
proc_net
);
memset
(
afinfo
->
seq_fops
,
0
,
sizeof
(
*
afinfo
->
seq_fops
));
}
static
void
get_openreq4
(
struct
sock
*
sk
,
struct
open_request
*
req
,
char
*
tmpbuf
,
int
i
,
int
uid
)
{
int
ttd
=
req
->
expires
-
jiffies
;
...
...
@@ -2441,7 +2486,7 @@ static void get_openreq(struct sock *sk, struct open_request *req,
req
);
}
static
void
get_tcp_sock
(
struct
sock
*
sp
,
char
*
tmpbuf
,
int
i
)
static
void
get_tcp
4
_sock
(
struct
sock
*
sp
,
char
*
tmpbuf
,
int
i
)
{
int
timer_active
;
unsigned
long
timer_expires
;
...
...
@@ -2481,7 +2526,7 @@ static void get_tcp_sock(struct sock *sp, char *tmpbuf, int i)
tp
->
snd_ssthresh
>=
0xFFFF
?
-
1
:
tp
->
snd_ssthresh
);
}
static
void
get_timewait_sock
(
struct
tcp_tw_bucket
*
tw
,
char
*
tmpbuf
,
int
i
)
static
void
get_timewait
4
_sock
(
struct
tcp_tw_bucket
*
tw
,
char
*
tmpbuf
,
int
i
)
{
unsigned
int
dest
,
src
;
__u16
destp
,
srcp
;
...
...
@@ -2504,7 +2549,7 @@ static void get_timewait_sock(struct tcp_tw_bucket *tw, char *tmpbuf, int i)
#define TMPSZ 150
static
int
tcp_seq_show
(
struct
seq_file
*
seq
,
void
*
v
)
static
int
tcp
4
_seq_show
(
struct
seq_file
*
seq
,
void
*
v
)
{
struct
tcp_iter_state
*
st
;
char
tmpbuf
[
TMPSZ
+
1
];
...
...
@@ -2521,13 +2566,13 @@ static int tcp_seq_show(struct seq_file *seq, void *v)
switch
(
st
->
state
)
{
case
TCP_SEQ_STATE_LISTENING
:
case
TCP_SEQ_STATE_ESTABLISHED
:
get_tcp_sock
(
v
,
tmpbuf
,
st
->
num
);
get_tcp
4
_sock
(
v
,
tmpbuf
,
st
->
num
);
break
;
case
TCP_SEQ_STATE_OPENREQ
:
get_openreq
(
st
->
syn_wait_sk
,
v
,
tmpbuf
,
st
->
num
,
st
->
uid
);
get_openreq
4
(
st
->
syn_wait_sk
,
v
,
tmpbuf
,
st
->
num
,
st
->
uid
);
break
;
case
TCP_SEQ_STATE_TIME_WAIT
:
get_timewait_sock
(
v
,
tmpbuf
,
st
->
num
);
get_timewait
4
_sock
(
v
,
tmpbuf
,
st
->
num
);
break
;
}
seq_printf
(
seq
,
"%-*s
\n
"
,
TMPSZ
-
1
,
tmpbuf
);
...
...
@@ -2535,57 +2580,23 @@ static int tcp_seq_show(struct seq_file *seq, void *v)
return
0
;
}
static
struct
seq_operations
tcp_seq_ops
=
{
.
start
=
tcp_seq_start
,
.
next
=
tcp_seq_next
,
.
stop
=
tcp_seq_stop
,
.
show
=
tcp_seq_show
,
};
static
int
tcp_seq_open
(
struct
inode
*
inode
,
struct
file
*
file
)
{
struct
seq_file
*
seq
;
int
rc
=
-
ENOMEM
;
struct
tcp_iter_state
*
s
=
kmalloc
(
sizeof
(
*
s
),
GFP_KERNEL
);
if
(
!
s
)
goto
out
;
rc
=
seq_open
(
file
,
&
tcp_seq_ops
);
if
(
rc
)
goto
out_kfree
;
seq
=
file
->
private_data
;
seq
->
private
=
s
;
memset
(
s
,
0
,
sizeof
(
*
s
));
out:
return
rc
;
out_kfree:
kfree
(
s
);
goto
out
;
}
static
struct
file_operations
tcp_seq_fops
=
{
static
struct
file_operations
tcp4_seq_fops
;
static
struct
tcp_seq_afinfo
tcp4_seq_afinfo
=
{
.
owner
=
THIS_MODULE
,
.
open
=
tcp_seq_open
,
.
read
=
seq_read
,
.
llseek
=
seq_lseek
,
.
release
=
seq_release_private
,
.
name
=
"tcp"
,
.
family
=
AF_INET
,
.
seq_show
=
tcp4_seq_show
,
.
seq_fops
=
&
tcp4_seq_fops
,
};
int
__init
tcp_proc_init
(
void
)
int
__init
tcp
4
_proc_init
(
void
)
{
int
rc
=
0
;
struct
proc_dir_entry
*
p
=
create_proc_entry
(
"tcp"
,
S_IRUGO
,
proc_net
);
if
(
p
)
p
->
proc_fops
=
&
tcp_seq_fops
;
else
rc
=
-
ENOMEM
;
return
rc
;
return
tcp_proc_register
(
&
tcp4_seq_afinfo
);
}
void
__init
tcp
_proc_exit
(
void
)
void
tcp4
_proc_exit
(
void
)
{
remove_proc_entry
(
"tcp"
,
proc_net
);
tcp_proc_unregister
(
&
tcp4_seq_afinfo
);
}
#endif
/* CONFIG_PROC_FS */
...
...
net/netsyms.c
View file @
a9b7fa76
...
...
@@ -285,6 +285,8 @@ EXPORT_SYMBOL(unregister_inetaddr_notifier);
#ifdef CONFIG_PROC_FS
EXPORT_SYMBOL
(
udp_proc_register
);
EXPORT_SYMBOL
(
udp_proc_unregister
);
EXPORT_SYMBOL
(
tcp_proc_register
);
EXPORT_SYMBOL
(
tcp_proc_unregister
);
#endif
/* needed for ip_gre -cw */
...
...
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