netns: igmp: make /proc/net/{igmp,mcfilter} per netns
This patch makes the followinf proc entries per-netns: /proc/net/igmp /proc/net/mcfilter Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2275,6 +2275,7 @@ int ip_check_mc(struct in_device *in_dev, __be32 mc_addr, __be32 src_addr, u16 p
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#if defined(CONFIG_PROC_FS)
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struct igmp_mc_iter_state {
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struct seq_net_private p;
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struct net_device *dev;
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struct in_device *in_dev;
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};
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@ -2283,11 +2284,12 @@ struct igmp_mc_iter_state {
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static inline struct ip_mc_list *igmp_mc_get_first(struct seq_file *seq)
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{
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struct net *net = seq_file_net(seq);
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struct ip_mc_list *im = NULL;
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struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
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state->in_dev = NULL;
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for_each_netdev(&init_net, state->dev) {
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for_each_netdev(net, state->dev) {
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struct in_device *in_dev;
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in_dev = in_dev_get(state->dev);
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if (!in_dev)
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@ -2408,7 +2410,7 @@ static const struct seq_operations igmp_mc_seq_ops = {
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static int igmp_mc_seq_open(struct inode *inode, struct file *file)
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{
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return seq_open_private(file, &igmp_mc_seq_ops,
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return seq_open_net(inode, file, &igmp_mc_seq_ops,
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sizeof(struct igmp_mc_iter_state));
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}
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@ -2417,10 +2419,11 @@ static const struct file_operations igmp_mc_seq_fops = {
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.open = igmp_mc_seq_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release_private,
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.release = seq_release_net,
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};
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struct igmp_mcf_iter_state {
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struct seq_net_private p;
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struct net_device *dev;
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struct in_device *idev;
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struct ip_mc_list *im;
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@ -2430,13 +2433,14 @@ struct igmp_mcf_iter_state {
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static inline struct ip_sf_list *igmp_mcf_get_first(struct seq_file *seq)
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{
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struct net *net = seq_file_net(seq);
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struct ip_sf_list *psf = NULL;
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struct ip_mc_list *im = NULL;
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struct igmp_mcf_iter_state *state = igmp_mcf_seq_private(seq);
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state->idev = NULL;
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state->im = NULL;
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for_each_netdev(&init_net, state->dev) {
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for_each_netdev(net, state->dev) {
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struct in_device *idev;
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idev = in_dev_get(state->dev);
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if (unlikely(idev == NULL))
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@ -2567,7 +2571,7 @@ static const struct seq_operations igmp_mcf_seq_ops = {
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static int igmp_mcf_seq_open(struct inode *inode, struct file *file)
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{
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return seq_open_private(file, &igmp_mcf_seq_ops,
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return seq_open_net(inode, file, &igmp_mcf_seq_ops,
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sizeof(struct igmp_mcf_iter_state));
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}
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@ -2576,14 +2580,41 @@ static const struct file_operations igmp_mcf_seq_fops = {
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.open = igmp_mcf_seq_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release_private,
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.release = seq_release_net,
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};
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static int igmp_net_init(struct net *net)
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{
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struct proc_dir_entry *pde;
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pde = proc_net_fops_create(net, "igmp", S_IRUGO, &igmp_mc_seq_fops);
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if (!pde)
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goto out_igmp;
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pde = proc_net_fops_create(net, "mcfilter", S_IRUGO, &igmp_mcf_seq_fops);
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if (!pde)
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goto out_mcfilter;
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return 0;
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out_mcfilter:
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proc_net_remove(net, "igmp");
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out_igmp:
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return -ENOMEM;
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}
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static void igmp_net_exit(struct net *net)
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{
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proc_net_remove(net, "mcfilter");
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proc_net_remove(net, "igmp");
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}
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static struct pernet_operations igmp_net_ops = {
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.init = igmp_net_init,
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.exit = igmp_net_exit,
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};
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int __init igmp_mc_proc_init(void)
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{
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proc_net_fops_create(&init_net, "igmp", S_IRUGO, &igmp_mc_seq_fops);
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proc_net_fops_create(&init_net, "mcfilter", S_IRUGO, &igmp_mcf_seq_fops);
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return 0;
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return register_pernet_subsys(&igmp_net_ops);
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}
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#endif
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