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OpenCloudOS-Kernel
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[NETNS][RAW]: Make /proc/net/raw(6) show per-namespace socket list. 

Pull the struct net pointer up to the showing functions
to filter the sockets depending on their namespaces.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-01-14 05:35:57 -08:00 committed by David S. Miller
parent be185884b3
commit f51d599fbe
3 changed files with 16 additions and 11 deletions
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3
include/net/raw.h
View File

@ -39,6 +39,7 @@ extern int raw_proc_init(void);
extern void raw_proc_exit(void);
struct raw_iter_state {
struct seq_net_private p;
int bucket;
unsigned short family;
struct raw_hashinfo *h;
@ -48,7 +49,7 @@ struct raw_iter_state {
void *raw_seq_start(struct seq_file *seq, loff_t *pos);
void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
void raw_seq_stop(struct seq_file *seq, void *v);
int raw_seq_open(struct file *file, struct raw_hashinfo *h,
int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h,
unsigned short family);
#endif

20
net/ipv4/raw.c
View File

@ -860,7 +860,8 @@ static struct sock *raw_get_first(struct seq_file *seq)
struct hlist_node *node;
sk_for_each(sk, node, &state->h->ht[state->bucket])
if (sk->sk_family == state->family)
if (sk->sk_net == state->p.net &&
sk->sk_family == state->family)
goto found;
}
sk = NULL;
@ -876,7 +877,8 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
sk = sk_next(sk);
try_again:
;
} while (sk && sk->sk_family != state->family);
} while (sk && sk->sk_net != state->p.net &&
sk->sk_family != state->family);
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]);
@ -970,16 +972,18 @@ static const struct seq_operations raw_seq_ops = {
.show = raw_seq_show,
};
int raw_seq_open(struct file *file, struct raw_hashinfo *h,
int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h,
unsigned short family)
{
int err;
struct raw_iter_state *i;
i = __seq_open_private(file, &raw_seq_ops,
err = seq_open_net(ino, file, &raw_seq_ops,
sizeof(struct raw_iter_state));
if (i == NULL)
return -ENOMEM;
if (err < 0)
return err;
i = raw_seq_private((struct seq_file *)file->private_data);
i->h = h;
i->family = family;
return 0;
@ -988,7 +992,7 @@ EXPORT_SYMBOL_GPL(raw_seq_open);
static int raw_v4_seq_open(struct inode *inode, struct file *file)
{
return raw_seq_open(file, &raw_v4_hashinfo, PF_INET);
return raw_seq_open(inode, file, &raw_v4_hashinfo, PF_INET);
}
static const struct file_operations raw_seq_fops = {
@ -996,7 +1000,7 @@ static const struct file_operations raw_seq_fops = {
.open = raw_v4_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
.release = seq_release_net,
};
int __init raw_proc_init(void)

4
net/ipv6/raw.c
View File

@ -1259,7 +1259,7 @@ static const struct seq_operations raw6_seq_ops = {
static int raw6_seq_open(struct inode *inode, struct file *file)
{
return raw_seq_open(file, &raw_v6_hashinfo, PF_INET6);
return raw_seq_open(inode, file, &raw_v6_hashinfo, PF_INET6);
}
static const struct file_operations raw6_seq_fops = {
@ -1267,7 +1267,7 @@ static const struct file_operations raw6_seq_fops = {
.open = raw6_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
.release = seq_release_net,
};
int __init raw6_proc_init(void)