mirror of https://gitee.com/openkylin/linux.git
[IPV4][NETNS]: Display per-net info in sockstat file.
Besides, now we can see per-net fragments statistics in the same file, since this stats is already per-net. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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d0538ca355
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fd4e7b5045
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@ -51,27 +51,54 @@
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*/
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static int sockstat_seq_show(struct seq_file *seq, void *v)
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{
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struct net *net = seq->private;
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socket_seq_show(seq);
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seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
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sock_prot_inuse_get(&init_net, &tcp_prot),
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sock_prot_inuse_get(net, &tcp_prot),
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atomic_read(&tcp_orphan_count),
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tcp_death_row.tw_count, atomic_read(&tcp_sockets_allocated),
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atomic_read(&tcp_memory_allocated));
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seq_printf(seq, "UDP: inuse %d mem %d\n",
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sock_prot_inuse_get(&init_net, &udp_prot),
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sock_prot_inuse_get(net, &udp_prot),
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atomic_read(&udp_memory_allocated));
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seq_printf(seq, "UDPLITE: inuse %d\n",
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sock_prot_inuse_get(&init_net, &udplite_prot));
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sock_prot_inuse_get(net, &udplite_prot));
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seq_printf(seq, "RAW: inuse %d\n",
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sock_prot_inuse_get(&init_net, &raw_prot));
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sock_prot_inuse_get(net, &raw_prot));
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seq_printf(seq, "FRAG: inuse %d memory %d\n",
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ip_frag_nqueues(&init_net), ip_frag_mem(&init_net));
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ip_frag_nqueues(net), ip_frag_mem(net));
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return 0;
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}
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static int sockstat_seq_open(struct inode *inode, struct file *file)
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{
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return single_open(file, sockstat_seq_show, NULL);
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int err;
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struct net *net;
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err = -ENXIO;
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net = get_proc_net(inode);
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if (net == NULL)
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goto err_net;
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err = single_open(file, sockstat_seq_show, net);
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if (err < 0)
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goto err_open;
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return 0;
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err_open:
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put_net(net);
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err_net:
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return err;
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}
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static int sockstat_seq_release(struct inode *inode, struct file *file)
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{
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struct net *net = ((struct seq_file *)file->private_data)->private;
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put_net(net);
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return single_release(inode, file);
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}
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static const struct file_operations sockstat_seq_fops = {
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@ -79,7 +106,7 @@ static const struct file_operations sockstat_seq_fops = {
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.open = sockstat_seq_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.release = sockstat_seq_release,
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};
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/* snmp items */
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