From patchwork Sun Jul 26 07:16:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Lindner X-Patchwork-Id: 4589 Return-Path: Received-SPF: Softfail (domain owner discourages use of this host) identity=mailfrom; client-ip=5.148.176.57; helo=s1.neomailbox.net; envelope-from=mareklindner@neomailbox.ch; receiver=b.a.t.m.a.n@lists.open-mesh.org Received: from s1.neomailbox.net (s1.neomailbox.net [5.148.176.57]) by open-mesh.org (Postfix) with ESMTPS id 115E78142A for ; Sun, 26 Jul 2015 09:44:03 +0200 (CEST) From: Marek Lindner To: b.a.t.m.a.n@lists.open-mesh.org Date: Sun, 26 Jul 2015 15:16:30 +0800 Message-Id: <1437894990-15534-3-git-send-email-mareklindner@neomailbox.ch> In-Reply-To: <1437894990-15534-1-git-send-email-mareklindner@neomailbox.ch> References: <1437894990-15534-1-git-send-email-mareklindner@neomailbox.ch> Cc: Marek Lindner Subject: [B.A.T.M.A.N.] [PATCH 3/3] batman-adv: export singe hop neighbor list via debugfs X-BeenThere: b.a.t.m.a.n@lists.open-mesh.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Jul 2015 07:44:03 -0000 Signed-off-by: Marek Lindner --- net/batman-adv/bat_iv_ogm.c | 35 +++++++++++++++++++++++++++++++++++ net/batman-adv/debugfs.c | 8 ++++++++ net/batman-adv/originator.c | 34 ++++++++++++++++++++++++++++++++++ net/batman-adv/originator.h | 2 ++ net/batman-adv/types.h | 2 ++ 5 files changed, 81 insertions(+) diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 912d9c3..567b47e 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -1862,6 +1862,40 @@ next: } /** + * batadv_iv_ogm_neigh_print - print the single hop neighbour list + * @bat_priv: the bat priv with all the soft interface information + * @seq: neighbour table seq_file struct + */ +void batadv_iv_ogm_neigh_print(struct batadv_priv *bat_priv, + struct seq_file *seq) +{ + struct net_device *net_dev = (struct net_device *)seq->private; + struct batadv_hardif_neigh_node *hardif_neigh; + struct batadv_hard_iface *hard_iface; + int batman_count = 0; + + seq_printf(seq, " %10s %-13s\n", "interface", "neighbor"); + + rcu_read_lock(); + list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { + if (hard_iface->soft_iface != net_dev) + continue; + + hlist_for_each_entry_rcu(hardif_neigh, + &hard_iface->neigh_list, list) { + seq_printf(seq, " %10s %pM\n", + hard_iface->net_dev->name, + hardif_neigh->addr); + batman_count++; + } + } + rcu_read_unlock(); + + if (batman_count == 0) + seq_printf(seq, "No batman nodes in range ...\n"); +} + +/** * batadv_iv_ogm_neigh_cmp - compare the metrics of two neighbors * @neigh1: the first neighbor object of the comparison * @if_outgoing1: outgoing interface for the first neighbor @@ -1954,6 +1988,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = { .bat_ogm_emit = batadv_iv_ogm_emit, .bat_neigh_cmp = batadv_iv_ogm_neigh_cmp, .bat_neigh_is_equiv_or_better = batadv_iv_ogm_neigh_is_eob, + .bat_neigh_print = batadv_iv_ogm_neigh_print, .bat_orig_print = batadv_iv_ogm_orig_print, .bat_orig_free = batadv_iv_ogm_orig_free, .bat_orig_add_if = batadv_iv_ogm_orig_add_if, diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c index c4c1e80..c00bcec 100644 --- a/net/batman-adv/debugfs.c +++ b/net/batman-adv/debugfs.c @@ -262,6 +262,12 @@ static int batadv_algorithms_open(struct inode *inode, struct file *file) return single_open(file, batadv_algo_seq_print_text, NULL); } +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, batadv_hardif_neigh_seq_print_text, net_dev); +} + static int batadv_originators_open(struct inode *inode, struct file *file) { struct net_device *net_dev = (struct net_device *)inode->i_private; @@ -375,6 +381,7 @@ static struct batadv_debuginfo *batadv_general_debuginfos[] = { }; /* The following attributes are per soft interface */ +static BATADV_DEBUGINFO(neighbors, S_IRUGO, neighbors_open); static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open); static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open); static BATADV_DEBUGINFO(transtable_global, S_IRUGO, @@ -394,6 +401,7 @@ static BATADV_DEBUGINFO(nc_nodes, S_IRUGO, batadv_nc_nodes_open); #endif static struct batadv_debuginfo *batadv_mesh_debuginfos[] = { + &batadv_debuginfo_neighbors, &batadv_debuginfo_originators, &batadv_debuginfo_gateways, &batadv_debuginfo_transtable_global, diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 615ad0f..df78a64 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -666,6 +666,40 @@ batadv_neigh_node_get(const struct batadv_orig_node *orig_node, } /** + * batadv_hardif_neigh_seq_print_text - print the single hop neighbour list + * @seq: neighbour table seq_file struct + * @offset: not used + * + * Always returns 0. + */ +int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset) +{ + struct net_device *net_dev = (struct net_device *)seq->private; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hard_iface *primary_if; + + primary_if = batadv_seq_print_text_primary_if_get(seq); + if (!primary_if) + return 0; + + seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s %s)]\n", + BATADV_SOURCE_VERSION, primary_if->net_dev->name, + primary_if->net_dev->dev_addr, net_dev->name, + bat_priv->bat_algo_ops->name); + + batadv_hardif_free_ref(primary_if); + + if (!bat_priv->bat_algo_ops->bat_neigh_print) { + seq_puts(seq, + "No printing function for this routing protocol\n"); + return 0; + } + + bat_priv->bat_algo_ops->bat_neigh_print(bat_priv, seq); + return 0; +} + +/** * batadv_orig_ifinfo_free_rcu - free the orig_ifinfo object * @rcu: rcu pointer of the orig_ifinfo object */ diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h index 99405be..7bb7f6d 100644 --- a/net/batman-adv/originator.h +++ b/net/batman-adv/originator.h @@ -66,6 +66,8 @@ batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh, struct batadv_hard_iface *if_outgoing); void batadv_neigh_ifinfo_free_ref(struct batadv_neigh_ifinfo *neigh_ifinfo); +int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset); + struct batadv_orig_ifinfo * batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node, struct batadv_hard_iface *if_outgoing); diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index f9ec98d..7cf5f80 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1160,6 +1160,7 @@ struct batadv_forw_packet { * @bat_neigh_is_equiv_or_better: check if neigh1 is equally good or better * than neigh2 for their respective outgoing interface from the metric * prospective + * @bat_neigh_print: print the signle hop neighbor list (optional) * @bat_neigh_free: free the resources allocated by the routing algorithm for a * neigh_node object * @bat_orig_print: print the originator table (optional) @@ -1190,6 +1191,7 @@ struct batadv_algo_ops { struct batadv_hard_iface *if_outgoing1, struct batadv_neigh_node *neigh2, struct batadv_hard_iface *if_outgoing2); + void (*bat_neigh_print)(struct batadv_priv *priv, struct seq_file *seq); void (*bat_neigh_free)(struct batadv_neigh_node *neigh); /* orig_node handling API */ void (*bat_orig_print)(struct batadv_priv *priv, struct seq_file *seq,