From patchwork Sat Apr 7 18:49:52 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antonio Quartulli X-Patchwork-Id: 1684 Return-Path: Received: from confino.investici.org (investici.nine.ch [217.150.252.179]) by open-mesh.org (Postfix) with ESMTPS id 4715C60086C for ; Sat, 7 Apr 2012 20:49:30 +0200 (CEST) Authentication-Results: open-mesh.org; dkim=pass (1024-bit key) header.i=@autistici.org; dkim-adsp=pass Received: from [217.150.252.179] (confino [217.150.252.179]) (Authenticated sender: ordex@autistici.org) by localhost (Postfix) with ESMTPSA id A6020C865E; Sat, 7 Apr 2012 18:49:28 +0000 (UTC) X-DKIM: Sendmail DKIM Filter v2.8.2 confino.investici.org A6020C865E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=autistici.org; s=stigmate; t=1333824569; bh=n2w47990uKxaGvOqtAnWoLbYC51CiBbpaUwHswZuAxk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=sgdIe53fLelcMm781sq9RVO4okCgr/w1ZoNPtPjURVOrFL6OAjLOEjeludae6CV+H c6z8RxWvAKKnKVWn6EdS1xsp9J8mon2n2VbnyVpLpAhdPumn7sWCusfPxs9QNDpr+V 2BgeAlup0Bxpc/1OlE5ELKnxnea1hb5yAUncxZBs= From: Antonio Quartulli To: davem@davemloft.net Date: Sat, 7 Apr 2012 20:49:52 +0200 Message-Id: <1333824598-27771-11-git-send-email-ordex@autistici.org> X-Mailer: git-send-email 1.7.9.4 In-Reply-To: <1333824598-27771-1-git-send-email-ordex@autistici.org> References: <1333824598-27771-1-git-send-email-ordex@autistici.org> Cc: netdev@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org, Simon Wunderlich Subject: [B.A.T.M.A.N.] [PATCH 10/16] batman-adv: export claim tables through debugfs X-BeenThere: b.a.t.m.a.n@lists.open-mesh.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking 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: Sat, 07 Apr 2012 18:49:30 -0000 From: Simon Wunderlich Signed-off-by: Simon Wunderlich Signed-off-by: Antonio Quartulli --- Documentation/networking/batman-adv.txt | 5 ++- net/batman-adv/bat_debugfs.c | 10 ++++++ net/batman-adv/bridge_loop_avoidance.c | 53 +++++++++++++++++++++++++++++++ net/batman-adv/bridge_loop_avoidance.h | 1 + 4 files changed, 66 insertions(+), 3 deletions(-) diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt index 9523e9e..220a58c 100644 --- a/Documentation/networking/batman-adv.txt +++ b/Documentation/networking/batman-adv.txt @@ -77,9 +77,8 @@ folder: There is a special folder for debugging information: # ls /sys/kernel/debug/batman_adv/bat0/ -# gateways socket transtable_global vis_data -# originators softif_neigh transtable_local - +# bla_claim_table log socket transtable_local +# gateways originators transtable_global vis_data Some of the files contain all sort of status information regard- ing the mesh network. For example, you can view the table of diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c index 165ff62..0e35177 100644 --- a/net/batman-adv/bat_debugfs.c +++ b/net/batman-adv/bat_debugfs.c @@ -32,6 +32,7 @@ #include "soft-interface.h" #include "vis.h" #include "icmp_socket.h" +#include "bridge_loop_avoidance.h" static struct dentry *bat_debugfs; @@ -244,6 +245,13 @@ static int transtable_global_open(struct inode *inode, struct file *file) return single_open(file, tt_global_seq_print_text, net_dev); } +static int bla_claim_table_open(struct inode *inode, struct file *file) +{ + struct net_device *net_dev = (struct net_device *)inode->i_private; + return single_open(file, bla_claim_table_seq_print_text, net_dev); +} + + static int transtable_local_open(struct inode *inode, struct file *file) { struct net_device *net_dev = (struct net_device *)inode->i_private; @@ -277,6 +285,7 @@ static BAT_DEBUGINFO(routing_algos, S_IRUGO, bat_algorithms_open); static BAT_DEBUGINFO(originators, S_IRUGO, originators_open); static BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open); static BAT_DEBUGINFO(transtable_global, S_IRUGO, transtable_global_open); +static BAT_DEBUGINFO(bla_claim_table, S_IRUGO, bla_claim_table_open); static BAT_DEBUGINFO(transtable_local, S_IRUGO, transtable_local_open); static BAT_DEBUGINFO(vis_data, S_IRUGO, vis_data_open); @@ -284,6 +293,7 @@ static struct bat_debuginfo *mesh_debuginfos[] = { &bat_debuginfo_originators, &bat_debuginfo_gateways, &bat_debuginfo_transtable_global, + &bat_debuginfo_bla_claim_table, &bat_debuginfo_transtable_local, &bat_debuginfo_vis_data, NULL, diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index f84c892..56b9b49 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1294,3 +1294,56 @@ out: claim_free_ref(claim); return ret; } + +int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) +{ + struct net_device *net_dev = (struct net_device *)seq->private; + struct bat_priv *bat_priv = netdev_priv(net_dev); + struct hashtable_t *hash = bat_priv->claim_hash; + struct claim *claim; + struct hard_iface *primary_if; + struct hlist_node *node; + struct hlist_head *head; + uint32_t i; + bool is_own; + int ret = 0; + + primary_if = primary_if_get_selected(bat_priv); + if (!primary_if) { + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", + net_dev->name); + goto out; + } + + if (primary_if->if_status != IF_ACTIVE) { + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", + net_dev->name); + goto out; + } + + seq_printf(seq, "Claims announced for the mesh %s (orig %pM)\n", + net_dev->name, primary_if->net_dev->dev_addr); + seq_printf(seq, " %-17s %-5s %-17s [o] (%-4s)\n", + "Client", "VID", "Originator", "CRC"); + for (i = 0; i < hash->size; i++) { + head = &hash->table[i]; + + rcu_read_lock(); + hlist_for_each_entry_rcu(claim, node, head, hash_entry) { + is_own = compare_eth(claim->backbone_gw->orig, + primary_if->net_dev->dev_addr); + seq_printf(seq, " * %pM on % 5d by %pM [%c] (%04x)\n", + claim->addr, claim->vid, + claim->backbone_gw->orig, + (is_own ? 'x' : ' '), + claim->backbone_gw->crc); + } + rcu_read_unlock(); + } +out: + if (primary_if) + hardif_free_ref(primary_if); + return ret; +} diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 488d778..d9e3480 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -26,6 +26,7 @@ int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); int bla_is_backbone_gw(struct sk_buff *skb, struct orig_node *orig_node, int hdr_size); +int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset); void bla_update_orig_address(struct bat_priv *bat_priv, struct hard_iface *primary_if, struct hard_iface *oldif);