Lists all neighbours and their tq/rq values detected and measured by the Neighbor Discovery Protocol (NDP). --- bat_debugfs.c | 9 ++++++++ ndp.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ndp.h | 1 + 3 files changed, 70 insertions(+), 0 deletions(-)
diff --git a/bat_debugfs.c b/bat_debugfs.c index 0ae81d0..602aa15 100644 --- a/bat_debugfs.c +++ b/bat_debugfs.c @@ -25,6 +25,7 @@
#include "bat_debugfs.h" #include "translation-table.h" +#include "ndp.h" #include "originator.h" #include "hard-interface.h" #include "gateway_common.h" @@ -222,6 +223,12 @@ static void debug_log_cleanup(struct bat_priv *bat_priv) } #endif
+static int neighbors_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, ndp_seq_print_text, net_dev); +} + static int originators_open(struct inode *inode, struct file *file) { struct net_device *net_dev = (struct net_device *)inode->i_private; @@ -275,6 +282,7 @@ struct bat_debuginfo bat_debuginfo_##_name = { \ } \ };
+static BAT_DEBUGINFO(neighbors, S_IRUGO, neighbors_open); static BAT_DEBUGINFO(originators, S_IRUGO, originators_open); static BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open); static BAT_DEBUGINFO(softif_neigh, S_IRUGO, softif_neigh_open); @@ -283,6 +291,7 @@ static BAT_DEBUGINFO(transtable_local, S_IRUGO, transtable_local_open); static BAT_DEBUGINFO(vis_data, S_IRUGO, vis_data_open);
static struct bat_debuginfo *mesh_debuginfos[] = { + &bat_debuginfo_neighbors, &bat_debuginfo_originators, &bat_debuginfo_gateways, &bat_debuginfo_softif_neigh, diff --git a/ndp.c b/ndp.c index c1cd016..22f17c6 100644 --- a/ndp.c +++ b/ndp.c @@ -1,6 +1,7 @@ #include "main.h" #include "send.h" #include "ndp.h" +#include "hard-interface.h" #include "soft-interface.h" #include "originator.h"
@@ -248,3 +249,62 @@ ret: spin_unlock_bh(&batman_if->neigh_list_lock); return ret; } + +int ndp_seq_print_text(struct seq_file *seq, void *offset) +{ + struct neigh_node *neigh_node; + struct batman_if *batman_if; + int last_seen_secs; + int last_seen_msecs; + int batman_count = 0; + struct net_device *net_dev = (struct net_device *)seq->private; + struct bat_priv *bat_priv = netdev_priv(net_dev); + + if ((!bat_priv->primary_if) || + (bat_priv->primary_if->if_status != IF_ACTIVE)) { + if (!bat_priv->primary_if) + return seq_printf(seq, "BATMAN mesh %s disabled - " + "please specify interfaces to enable it\n", + net_dev->name); + + return seq_printf(seq, "BATMAN mesh %s " + "disabled - primary interface not active\n", + net_dev->name); + } + + seq_printf(seq, "[B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%pM (%s)]\n", + SOURCE_VERSION, REVISION_VERSION_STR, + bat_priv->primary_if->net_dev->name, + bat_priv->primary_if->net_dev->dev_addr, net_dev->name); + seq_printf(seq, " %-15s %s (%s/%i) [%10s]\n", + "Neighbor", "last-seen", "#TQ,#RQ", TQ_MAX_VALUE, "IF"); + + rcu_read_lock(); + list_for_each_entry_rcu(batman_if, &if_list, list) { + if (batman_if->if_status != IF_ACTIVE) + continue; + + spin_lock_bh(&batman_if->neigh_list_lock); + list_for_each_entry(neigh_node, &batman_if->neigh_list, + list) { + last_seen_secs = jiffies_to_msecs(jiffies - + neigh_node->last_valid) / 1000; + last_seen_msecs = jiffies_to_msecs(jiffies - + neigh_node->last_valid) % 1000; + + seq_printf(seq, "%pM %4i.%03is (%3i,%3i) [%10s]\n", + neigh_node->addr, last_seen_secs, + last_seen_msecs, neigh_node->tq_avg, + neigh_node->rq, batman_if->net_dev->name); + + batman_count++; + } + spin_unlock_bh(&batman_if->neigh_list_lock); + } + rcu_read_unlock(); + + if ((batman_count == 0)) + seq_printf(seq, "No batman nodes in range ...\n"); + + return 0; +} diff --git a/ndp.h b/ndp.h index 5679f36..26be41f 100644 --- a/ndp.h +++ b/ndp.h @@ -10,3 +10,4 @@ uint8_t ndp_fetch_tq(struct batman_packet_ndp *packet, void ndp_purge_neighbors(void); int ndp_update_neighbor(uint8_t my_tq, uint32_t seqno, struct batman_if *batman_if, uint8_t *neigh_addr); +int ndp_seq_print_text(struct seq_file *seq, void *offset);