+/* insert interface to the list of interfaces of one originator, if it
+ * does not already exist in the list */
+static void proc_vis_insert_interface(const uint8_t *interface,
+ struct hlist_head *if_list,
+ bool primary)
+{
+ struct if_list_entry *entry;
+ struct hlist_node *pos;
+
+ hlist_for_each_entry(entry, pos, if_list, list) {
+ if (compare_orig(entry->addr, (void *)interface))
+ return;
+ }
+
+ /* its a new address, add it to the list */
+ entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+ if (!entry)
+ return;
+ memcpy(entry->addr, interface, ETH_ALEN);
+ entry->primary = primary;
+ hlist_add_head(&entry->list, if_list);
+}
+
+void proc_vis_read_prim_sec(struct seq_file *seq,
+ struct hlist_head *if_list)
+{
+ struct if_list_entry *entry;
+ struct hlist_node *pos, *n;
+ char tmp_addr_str[ETH_STR_LEN];
+
+ hlist_for_each_entry_safe(entry, pos, n, if_list, list) {
+ if (entry->primary) {
+ seq_printf(seq, "PRIMARY, ");
+ } else {
+ addr_to_string(tmp_addr_str, entry->addr);
+ seq_printf(seq, "SEC %s, ", tmp_addr_str);
+ }
+
+ hlist_del(&entry->list);
+ kfree(entry);
+ }
+}
+
+/* read an entry */
+void proc_vis_read_entry(struct seq_file *seq,
+ struct vis_info_entry *entry,
+ struct hlist_head *if_list,
+ uint8_t *vis_orig)
+{
+ char to[40];
+
+ addr_to_string(to, entry->dest);
+ if (entry->quality == 0) {
+ proc_vis_insert_interface(vis_orig, if_list, true);
+ seq_printf(seq, "HNA %s, ", to);
+ } else {
+ proc_vis_insert_interface(entry->src, if_list,
+ compare_orig(entry->src, vis_orig));
+ seq_printf(seq, "TQ %s %d, ", to, entry->quality);
+ }
+}
+