net: ipv6: Implement /proc/net/icmp6.

The format is based on /proc/net/icmp and /proc/net/{udp,raw}6.

Compiles and displays reasonable results with CONFIG_IPV6={n,m,y}
Couldn't figure out how to test without CONFIG_PROC_FS enabled.

Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 9 deletions

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 8c2da9b8cd86..3552a45a6f86 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -1035,8 +1035,7 @@ static struct sock *ping_get_idx(struct seq_file *seq, loff_t pos)
         return pos ? NULL : sk;
 }
 
-static void *ping_seq_start(struct seq_file *seq, loff_t *pos,
-                            sa_family_t family)
+void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family)
 {
         struct ping_iter_state *state = seq->private;
         state->bucket = 0;
@@ -1046,13 +1045,14 @@ static void *ping_seq_start(struct seq_file *seq, loff_t *pos,
 
         return *pos ? ping_get_idx(seq, *pos-1) : SEQ_START_TOKEN;
 }
+EXPORT_SYMBOL_GPL(ping_seq_start);
 
 static void *ping_v4_seq_start(struct seq_file *seq, loff_t *pos)
 {
         return ping_seq_start(seq, pos, AF_INET);
 }
 
-static void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
         struct sock *sk;
 
@@ -1064,11 +1064,13 @@ static void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos)
         ++*pos;
         return sk;
 }
+EXPORT_SYMBOL_GPL(ping_seq_next);
 
-static void ping_seq_stop(struct seq_file *seq, void *v)
+void ping_seq_stop(struct seq_file *seq, void *v)
 {
         read_unlock_bh(&ping_table.lock);
 }
+EXPORT_SYMBOL_GPL(ping_seq_stop);
 
 static void ping_v4_format_sock(struct sock *sp, struct seq_file *f,
                 int bucket, int *len)
@@ -1122,12 +1124,13 @@ static int ping_seq_open(struct inode *inode, struct file *file)
                            sizeof(struct ping_iter_state));
 }
 
-static const struct file_operations ping_seq_fops = {
+const struct file_operations ping_seq_fops = {
         .open           = ping_seq_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
         .release        = seq_release_net,
 };
+EXPORT_SYMBOL_GPL(ping_seq_fops);
 
 static struct ping_seq_afinfo ping_v4_seq_afinfo = {
         .name           = "icmp",
@@ -1141,7 +1144,7 @@ static struct ping_seq_afinfo ping_v4_seq_afinfo = {
         },
 };
 
-static int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo)
+int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo)
 {
         struct proc_dir_entry *p;
         p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
@@ -1150,13 +1153,13 @@ static int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo)
                 return -ENOMEM;
         return 0;
 }
+EXPORT_SYMBOL_GPL(ping_proc_register);
 
-static void ping_proc_unregister(struct net *net,
-                                 struct ping_seq_afinfo *afinfo)
+void ping_proc_unregister(struct net *net, struct ping_seq_afinfo *afinfo)
 {
         remove_proc_entry(afinfo->name, net->proc_net);
 }
-
+EXPORT_SYMBOL_GPL(ping_proc_unregister);
 
 static int __net_init ping_v4_proc_init_net(struct net *net)
 {