ipmr, ip6mr: Unite vif seq functions

[linux.git] / include / linux / mroute_base.h

diff --git a/include/linux/mroute_base.h b/include/linux/mroute_base.h
index a007c5ad0fde56033430c52ca7827dbbfe9ca98d..cfaec9bd2d3c7ac38b5dd759868996382f5893d9 100644 (file)
--- a/include/linux/mroute_base.h
+++ b/include/linux/mroute_base.h
@@ -206,6 +206,12 @@ static inline void *mr_mfc_find(struct mr_table *mrt, void *hasharg)
 }
 
 #ifdef CONFIG_PROC_FS
+struct mr_vif_iter {
+       struct seq_net_private p;
+       struct mr_table *mrt;
+       int ct;
+};
+
 struct mr_mfc_iter {
        struct seq_net_private p;
        struct mr_table *mrt;
@@ -216,6 +222,16 @@ struct mr_mfc_iter {
 };
 
 #ifdef CONFIG_IP_MROUTE_COMMON
+void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter, loff_t pos);
+void *mr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos);
+
+static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos)
+{
+       return *pos ? mr_vif_seq_idx(seq_file_net(seq),
+                                    seq->private, *pos - 1)
+                   : SEQ_START_TOKEN;
+}
+
 /* These actually return 'struct mr_mfc *', but to avoid need for explicit
  * castings they simply return void.
  */
@@ -249,6 +265,23 @@ static inline void mr_mfc_seq_stop(struct seq_file *seq, void *v)
                rcu_read_unlock();
 }
 #else
+static inline void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter,
+                                  loff_t pos)
+{
+       return NULL;
+}
+
+static inline void *mr_vif_seq_next(struct seq_file *seq,
+                                   void *v, loff_t *pos)
+{
+       return NULL;
+}
+
+static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos)
+{
+       return NULL;
+}
+
 static inline void *mr_mfc_seq_idx(struct net *net,
                                   struct mr_mfc_iter *it, loff_t pos)
 {