From dfb12eb70fc926562488515a9596c88b8eadc545 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Mon, 31 Mar 2008 19:43:43 -0700 Subject: [PATCH] [IPV6][NETNS]: 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 Signed-off-by: David S. Miller --- net/ipv6/proc.c | 41 ++++++++++++++++++++++++++++++++++------- 1 file changed, 34 insertions(+), 7 deletions(-) diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index 562366015e54..ca8b82f96fe5 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -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) -- 2.20.1