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Commit 414ae5bb authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
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o ipv4: move /proc/net/udp support back to net/ipv4/udp.c

parent 53008588
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Showing with 162 additions and 143 deletions
include/net/udp.h
View file @ 414ae5bb
......@@ -76,4 +76,6 @@ extern struct udp_mib udp_statistics[NR_CPUS*2];
#define UDP_INC_STATS_BH(field) SNMP_INC_STATS_BH(udp_statistics, field)
#define UDP_INC_STATS_USER(field) SNMP_INC_STATS_USER(udp_statistics, field)
extern int udp_proc_init(void);
#endif /* _UDP_H */
net/ipv4/af_inet.c
View file @ 414ae5bb
......@@ -1218,6 +1218,7 @@ static int __init inet_init(void)
#endif
ipv4_proc_init();
udp_proc_init();
fib_proc_init();
return 0;
}
......
net/ipv4/ip_proc.c
View file @ 414ae5bb
......@@ -18,9 +18,6 @@
#include <linux/netdevice.h>
#include <net/neighbour.h>
#include <net/arp.h>
#include <net/udp.h>
#include <linux/rtnetlink.h>
#include <linux/route.h>
#include <linux/seq_file.h>
#include <linux/proc_fs.h>
......@@ -249,101 +246,6 @@ static int arp_seq_show(struct seq_file *seq, void *v)
/* ------------------------------------------------------------------------ */
struct udp_iter_state {
int bucket;
};
static __inline__ struct sock *udp_get_bucket(struct seq_file *seq, loff_t *pos)
{
int i;
struct sock *sk = NULL;
loff_t l = *pos;
struct udp_iter_state *state = seq->private;
for (; state->bucket < UDP_HTABLE_SIZE; ++state->bucket)
for (i = 0, sk = udp_hash[state->bucket]; sk; ++i, sk = sk->next) {
if (sk->family != PF_INET)
continue;
if (l--)
continue;
*pos = i;
goto out;
}
out:
return sk;
}
static void *udp_seq_start(struct seq_file *seq, loff_t *pos)
{
read_lock(&udp_hash_lock);
return *pos ? udp_get_bucket(seq, pos) : (void *)1;
}
static void *udp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct sock *sk;
struct udp_iter_state *state;
if (v == (void *)1) {
sk = udp_get_bucket(seq, pos);
goto out;
}
sk = v;
sk = sk->next;
if (sk)
goto out;
state = seq->private;
if (++state->bucket >= UDP_HTABLE_SIZE)
goto out;
*pos = 0;
sk = udp_get_bucket(seq, pos);
out:
++*pos;
return sk;
}
static void udp_seq_stop(struct seq_file *seq, void *v)
{
read_unlock(&udp_hash_lock);
}
static void udp_format_sock(struct sock *sp, char *tmpbuf, int bucket)
{
struct inet_opt *inet = inet_sk(sp);
unsigned int dest = inet->daddr;
unsigned int src = inet->rcv_saddr;
__u16 destp = ntohs(inet->dport);
__u16 srcp = ntohs(inet->sport);
sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X"
" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p",
bucket, src, srcp, dest, destp, sp->state,
atomic_read(&sp->wmem_alloc), atomic_read(&sp->rmem_alloc),
0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
atomic_read(&sp->refcnt), sp);
}
static int udp_seq_show(struct seq_file *seq, void *v)
{
if (v == (void *)1)
seq_printf(seq, "%-127s\n",
" sl local_address rem_address st tx_queue "
"rx_queue tr tm->when retrnsmt uid timeout "
"inode");
else {
char tmpbuf[129];
struct udp_iter_state *state = seq->private;
udp_format_sock(v, tmpbuf, state->bucket);
seq_printf(seq, "%-127s\n", tmpbuf);
}
return 0;
}
/* ------------------------------------------------------------------------ */
static struct seq_operations arp_seq_ops = {
.start = arp_seq_start,
.next = arp_seq_next,
......@@ -351,13 +253,6 @@ static struct seq_operations arp_seq_ops = {
.show = arp_seq_show,
};
static struct seq_operations udp_seq_ops = {
.start = udp_seq_start,
.next = udp_seq_next,
.stop = udp_seq_stop,
.show = udp_seq_show,
};
static int arp_seq_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
......@@ -391,29 +286,6 @@ int ip_seq_release(struct inode *inode, struct file *file)
return seq_release(inode, file);
}
static int udp_seq_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
int rc = -ENOMEM;
struct udp_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
if (!s)
goto out;
rc = seq_open(file, &udp_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 arp_seq_fops = {
.open = arp_seq_open,
.read = seq_read,
......@@ -421,13 +293,6 @@ static struct file_operations arp_seq_fops = {
.release = ip_seq_release,
};
static struct file_operations udp_seq_fops = {
.open = udp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = ip_seq_release,
};
/* ------------------------------------------------------------------------ */
int __init ipv4_proc_init(void)
......@@ -450,11 +315,6 @@ int __init ipv4_proc_init(void)
if (!proc_net_create("tcp", 0, tcp_get_info))
goto out_tcp;
p = create_proc_entry("udp", S_IRUGO, proc_net);
if (!p)
goto out_udp;
p->proc_fops = &udp_seq_fops;
p = create_proc_entry("arp", S_IRUGO, proc_net);
if (!p)
goto out_arp;
......@@ -463,8 +323,6 @@ int __init ipv4_proc_init(void)
out:
return rc;
out_arp:
remove_proc_entry("udp", proc_net);
out_udp:
proc_net_remove("tcp");
out_tcp:
proc_net_remove("sockstat");
......
net/ipv4/udp.c
View file @ 414ae5bb
......@@ -62,10 +62,10 @@
* return ENOTCONN for unconnected sockets (POSIX)
* Janos Farkas : don't deliver multi/broadcasts to a different
* bound-to-device socket
* Arnaldo C. Melo : move proc routines to ip_proc.c.
* Hirokazu Takahashi : HW checksumming for outgoing UDP
* datagrams.
* Hirokazu Takahashi : sendfile() on UDP works now.
* Arnaldo C. Melo : convert /proc/net/udp to seq_file
*
*
* This program is free software; you can redistribute it and/or
......@@ -92,6 +92,8 @@
#include <net/tcp.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <net/sock.h>
#include <net/udp.h>
#include <net/icmp.h>
......@@ -1208,3 +1210,159 @@ struct proto udp_prot = {
.unhash = udp_v4_unhash,
.get_port = udp_v4_get_port,
};
/* ------------------------------------------------------------------------ */
#ifdef CONFIG_PROC_FS
struct udp_iter_state {
int bucket;
};
static __inline__ struct sock *udp_get_bucket(struct seq_file *seq, loff_t *pos)
{
int i;
struct sock *sk = NULL;
loff_t l = *pos;
struct udp_iter_state *state = seq->private;
for (; state->bucket < UDP_HTABLE_SIZE; ++state->bucket)
for (i = 0, sk = udp_hash[state->bucket]; sk; ++i, sk = sk->next) {
if (sk->family != PF_INET)
continue;
if (l--)
continue;
*pos = i;
goto out;
}
out:
return sk;
}
static void *udp_seq_start(struct seq_file *seq, loff_t *pos)
{
read_lock(&udp_hash_lock);
return *pos ? udp_get_bucket(seq, pos) : (void *)1;
}
static void *udp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct sock *sk;
struct udp_iter_state *state;
if (v == (void *)1) {
sk = udp_get_bucket(seq, pos);
goto out;
}
sk = v;
sk = sk->next;
if (sk)
goto out;
state = seq->private;
if (++state->bucket >= UDP_HTABLE_SIZE)
goto out;
*pos = 0;
sk = udp_get_bucket(seq, pos);
out:
++*pos;
return sk;
}
static void udp_seq_stop(struct seq_file *seq, void *v)
{
read_unlock(&udp_hash_lock);
}
static void udp_format_sock(struct sock *sp, char *tmpbuf, int bucket)
{
struct inet_opt *inet = inet_sk(sp);
unsigned int dest = inet->daddr;
unsigned int src = inet->rcv_saddr;
__u16 destp = ntohs(inet->dport);
__u16 srcp = ntohs(inet->sport);
sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X"
" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p",
bucket, src, srcp, dest, destp, sp->state,
atomic_read(&sp->wmem_alloc), atomic_read(&sp->rmem_alloc),
0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
atomic_read(&sp->refcnt), sp);
}
static int udp_seq_show(struct seq_file *seq, void *v)
{
if (v == (void *)1)
seq_printf(seq, "%-127s\n",
" sl local_address rem_address st tx_queue "
"rx_queue tr tm->when retrnsmt uid timeout "
"inode");
else {
char tmpbuf[129];
struct udp_iter_state *state = seq->private;
udp_format_sock(v, tmpbuf, state->bucket);
seq_printf(seq, "%-127s\n", tmpbuf);
}
return 0;
}
/* ------------------------------------------------------------------------ */
static struct seq_operations udp_seq_ops = {
.start = udp_seq_start,
.next = udp_seq_next,
.stop = udp_seq_stop,
.show = udp_seq_show,
};
static int udp_seq_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
int rc = -ENOMEM;
struct udp_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
if (!s)
goto out;
rc = seq_open(file, &udp_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 udp_seq_fops = {
.open = udp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = ip_seq_release,
};
/* ------------------------------------------------------------------------ */
int __init udp_proc_init(void)
{
struct proc_dir_entry *p;
int rc = 0;
p = create_proc_entry("udp", S_IRUGO, proc_net);
if (p)
p->proc_fops = &udp_seq_fops;
else
rc = -ENOMEM;
return rc;
}
#else /* CONFIG_PROC_FS */
int __init udp_proc_init(void)
{
return 0;
}
#endif /* CONFIG_PROC_FS */
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