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: Display per-net info in sockstat6 file.

PATCH Applied Pavel Emelyanov 2 participants 2 messages Mar 31, 2008 – Apr 1, 2008

Subsystems (2)
Networking Network drivers
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Pavel Emelyanov

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#0 lore raw

PATCH 6/6 : Display per-net info in sockstat6 file.

Do with the sockstat6 file what we've already done for the sockstat. Same good side effect - ipv6 reassembling stats are now shown per-net.

Signed-off-by Pavel Emelyanov <[email protected]>
---
 net/ipv6/proc.c |   41 ++++++++++++++++++++++++++++++++++-------
 1 files changed, 34 insertions(+), 7 deletions(-)
net/ipv6/proc.c +34 -7
index 5623660..ca8b82f 100644
@@ -35,16 +35,18 @@ static struct proc_dir_entry *proc_net_devsnmp6;
 
 static int sockstat6_seq_show(struct seq_file *seq, void *v)
 {
+	struct net *net = seq->private;
+
 	seq_printf(seq, "TCP6: inuse %d\n",
-		       sock_prot_inuse_get(&init_net, &tcpv6_prot));
+		       sock_prot_inuse_get(net, &tcpv6_prot));
 	seq_printf(seq, "UDP6: inuse %d\n",
-		       sock_prot_inuse_get(&init_net, &udpv6_prot));
+		       sock_prot_inuse_get(net, &udpv6_prot));
 	seq_printf(seq, "UDPLITE6: inuse %d\n",
-			sock_prot_inuse_get(&init_net, &udplitev6_prot));
+			sock_prot_inuse_get(net, &udplitev6_prot));
 	seq_printf(seq, "RAW6: inuse %d\n",
-		       sock_prot_inuse_get(&init_net, &rawv6_prot));
+		       sock_prot_inuse_get(net, &rawv6_prot));
 	seq_printf(seq, "FRAG6: inuse %d memory %d\n",
-		       ip6_frag_nqueues(&init_net), ip6_frag_mem(&init_net));
+		       ip6_frag_nqueues(net), ip6_frag_mem(net));
 	return 0;
 }
 

@@ -183,7 +185,32 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
 
 static int sockstat6_seq_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, sockstat6_seq_show, NULL);
+	int err;
+	struct net *net;
+
+	err = -ENXIO;
+	net = get_proc_net(inode);
+	if (net == NULL)
+		goto err_net;
+
+	err = single_open(file, sockstat6_seq_show, net);
+	if (err < 0)
+		goto err_open;
+
+	return 0;
+
+err_open:
+	put_net(net);
+err_net:
+	return err;
+}
+
+static int sockstat6_seq_release(struct inode *inode, struct file *file)
+{
+	struct net *net = ((struct seq_file *)file->private_data)->private;
+
+	put_net(net);
+	return single_release(inode, file);
 }
 
 static const struct file_operations sockstat6_seq_fops = {

@@ -191,7 +218,7 @@ static const struct file_operations sockstat6_seq_fops = {
 	.open	 = sockstat6_seq_open,
 	.read	 = seq_read,
 	.llseek	 = seq_lseek,
-	.release = single_release,
+	.release = sockstat6_seq_release,
 };
 
 static int snmp6_seq_open(struct inode *inode, struct file *file)
Signature · 1 line
1.5.3.4