batman-adv: 2015.0 bugfixes & stability updates

Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>

batman-adv/patches/0001-batman-adv-Avoid-u32-overflow-during-gateway-select.patch

@@ -1,7 +1,7 @@
 From f63c54bba31d2c86269982fd8efdfb618f1daabe Mon Sep 17 00:00:00 2001
 From: Ruben Wisniewski <ruben@freifunk-nrw.de>
 Date: Tue, 26 May 2015 18:34:27 +0200
-Subject: [PATCH 01/13] batman-adv: Avoid u32 overflow during gateway select
+Subject: [PATCH 01/17] batman-adv: Avoid u32 overflow during gateway select
 
 The gateway selection based on fast connections is using a single value
 calculated from the average tq (0-255) and the download bandwidth (in

batman-adv/patches/0002-batman-adv-avoid-DAT-to-mess-up-LAN-state.patch

@@ -1,7 +1,7 @@
 From 9bbd794030657fe0d38590cd67d4801b989cebf9 Mon Sep 17 00:00:00 2001
 From: Antonio Quartulli <antonio@meshcoding.com>
 Date: Mon, 1 Jun 2015 17:29:57 +0200
-Subject: [PATCH 02/13] batman-adv: avoid DAT to mess up LAN state
+Subject: [PATCH 02/17] batman-adv: avoid DAT to mess up LAN state
 
 When a node running DAT receives an ARP request from the LAN for the
 first time, it is likely that this node will request the ARP entry

batman-adv/patches/0003-batman-adv-Make-DAT-capability-changes-atomic.patch

@@ -1,7 +1,7 @@
 From bfd0fbaef270ac4ed8e4457a38ef8d91190c0540 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
 Date: Tue, 16 Jun 2015 17:10:22 +0200
-Subject: [PATCH 03/13] batman-adv: Make DAT capability changes atomic
+Subject: [PATCH 03/17] batman-adv: Make DAT capability changes atomic
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit

batman-adv/patches/0004-batman-adv-Make-NC-capability-changes-atomic.patch

@@ -1,7 +1,7 @@
 From 586df9e2537b51c0df7ce99576c3cee1681b64de Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
 Date: Tue, 16 Jun 2015 17:10:23 +0200
-Subject: [PATCH 04/13] batman-adv: Make NC capability changes atomic
+Subject: [PATCH 04/17] batman-adv: Make NC capability changes atomic
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit

batman-adv/patches/0005-batman-adv-Make-TT-capability-changes-atomic.patch

@@ -1,7 +1,7 @@
 From a51fa16ecf3f079518baaa56bffae343bd5694f0 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
 Date: Tue, 16 Jun 2015 17:10:24 +0200
-Subject: [PATCH 05/13] batman-adv: Make TT capability changes atomic
+Subject: [PATCH 05/17] batman-adv: Make TT capability changes atomic
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit

batman-adv/patches/0006-batman-adv-Make-MCAST-capability-changes-atomic.patch

@@ -1,7 +1,7 @@
 From 201a54ba710ab7f40b82ad3c109f702c47d0761f Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
 Date: Tue, 16 Jun 2015 17:10:25 +0200
-Subject: [PATCH 06/13] batman-adv: Make MCAST capability changes atomic
+Subject: [PATCH 06/17] batman-adv: Make MCAST capability changes atomic
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit

batman-adv/patches/0007-batman-adv-Fix-potential-synchronization-issues-in-m.patch

@@ -1,7 +1,7 @@
 From 7f220ed1f063be00833bd34a013c8f3f45884031 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
 Date: Tue, 16 Jun 2015 17:10:26 +0200
-Subject: [PATCH 07/13] batman-adv: Fix potential synchronization issues in
+Subject: [PATCH 07/17] batman-adv: Fix potential synchronization issues in
  mcast tvlv handler
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8

batman-adv/patches/0008-batman-adv-Fix-compile-error-on-deactivated-MCAST-fe.patch

@@ -1,7 +1,7 @@
 From 256776ef8562744f90ac9379364df4cf88291b49 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
 Date: Thu, 18 Jun 2015 06:47:19 +0200
-Subject: [PATCH 08/13] batman-adv: Fix compile error on deactivated MCAST
+Subject: [PATCH 08/17] batman-adv: Fix compile error on deactivated MCAST
  feature
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8

batman-adv/patches/0009-batman-adv-fix-kernel-crash-due-to-missing-NULL-chec.patch

@@ -1,7 +1,7 @@
 From 2c2dfd886a400057ccbc66f1507c94ed909d2a89 Mon Sep 17 00:00:00 2001
 From: Marek Lindner <mareklindner@neomailbox.ch>
 Date: Tue, 9 Jun 2015 21:24:36 +0800
-Subject: [PATCH 09/13] batman-adv: fix kernel crash due to missing NULL checks
+Subject: [PATCH 09/17] batman-adv: fix kernel crash due to missing NULL checks
 
 batadv_softif_vlan_get() may return NULL which has to be verified
 by the caller.

batman-adv/patches/0010-batman-adv-protect-tt_local_entry-from-concurrent-de.patch

@@ -1,7 +1,7 @@
 From af912d77181f252e6fdd324592d006e30bc82909 Mon Sep 17 00:00:00 2001
 From: Marek Lindner <mareklindner@neomailbox.ch>
 Date: Wed, 17 Jun 2015 20:01:36 +0800
-Subject: [PATCH 10/13] batman-adv: protect tt_local_entry from concurrent
+Subject: [PATCH 10/17] batman-adv: protect tt_local_entry from concurrent
  delete events
 
 The tt_local_entry deletion performed in batadv_tt_local_remove() was neither

batman-adv/patches/0011-batman-adv-protect-tt-request-from-double-deletion.patch

@@ -1,7 +1,7 @@
 From 9bac35c1e4fab662522371f81147963e19693409 Mon Sep 17 00:00:00 2001
 From: Marek Lindner <mareklindner@neomailbox.ch>
 Date: Mon, 22 Jun 2015 00:36:28 +0800
-Subject: [PATCH 11/13] batman-adv: protect tt request from double deletion
+Subject: [PATCH 11/17] batman-adv: protect tt request from double deletion
 
 The list_del() calls were changed to list_del_init() to prevent
 an accidental double deletion in batadv_tt_req_node_new().

batman-adv/patches/0012-batman-adv-initialize-up-down-values-when-adding-a-g.patch

@@ -1,7 +1,7 @@
 From 3c92b633715b7eca80dc7a2347e0e4dbcce1f018 Mon Sep 17 00:00:00 2001
 From: Simon Wunderlich <simon@open-mesh.com>
 Date: Wed, 24 Jun 2015 14:50:19 +0200
-Subject: [PATCH 12/13] batman-adv: initialize up/down values when adding a
+Subject: [PATCH 12/17] batman-adv: initialize up/down values when adding a
  gateway
 
 Without this initialization, gateways which actually announce up/down

batman-adv/patches/0013-batman-adv-remove-broadcast-packets-scheduled-for-pu.patch

@@ -1,7 +1,7 @@
 From 07bec2d4dec83f024baf166b95cf037be3a7eca5 Mon Sep 17 00:00:00 2001
 From: Simon Wunderlich <simon@open-mesh.com>
 Date: Wed, 24 Jun 2015 14:50:20 +0200
-Subject: [PATCH 13/13] batman-adv: remove broadcast packets scheduled for
+Subject: [PATCH 13/17] batman-adv: remove broadcast packets scheduled for
  purged outgoing if
 
 When an interface is purged, the broadcast packets scheduled for this

batman-adv/patches/0014-batman-adv-Fix-broken-DAT-capability-check.patch

@@ -0,0 +1,53 @@
+From de4666781c5a64cd55aa6688f77de95f8f66b2c0 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
+Date: Fri, 3 Jul 2015 18:29:56 +0200
+Subject: [PATCH 14/17] batman-adv: Fix broken DAT capability check
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The introduction of set_bit() and clear_bit() calls in batman-adv
+wrongly passed bitmasks and not the bit numbers to these functions.
+This leads to broken capability checks.
+
+Fixing this by making the capability enum a non-bitmasked one and by
+that passing non-masked values to set_bit()/clear_bit().
+
+Fixes: bfd0fbaef270 ("batman-adv: Make DAT capability changes atomic")
+Reported-by: Def <def@laposte.net>
+Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
+Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
+---
+ distributed-arp-table.c | 2 +-
+ types.h                 | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/distributed-arp-table.c b/distributed-arp-table.c
+index b2cc19b..c0c514d 100644
+--- a/distributed-arp-table.c
++++ b/distributed-arp-table.c
+@@ -422,7 +422,7 @@ static bool batadv_is_orig_node_eligible(struct batadv_dat_candidate *res,
+ 	int j;
+ 
+ 	/* check if orig node candidate is running DAT */
+-	if (!(candidate->capabilities & BATADV_ORIG_CAPA_HAS_DAT))
++	if (!(test_bit(BATADV_ORIG_CAPA_HAS_DAT, &candidate->capabilities)))
+ 		goto out;
+ 
+ 	/* Check if this node has already been selected... */
+diff --git a/types.h b/types.h
+index 65dc6bf..08a6343 100644
+--- a/types.h
++++ b/types.h
+@@ -299,7 +299,7 @@ struct batadv_orig_node {
+  *  (= orig node announces a tvlv of type BATADV_TVLV_MCAST)
+  */
+ enum batadv_orig_capabilities {
+-	BATADV_ORIG_CAPA_HAS_DAT = BIT(0),
++	BATADV_ORIG_CAPA_HAS_DAT,
+ 	BATADV_ORIG_CAPA_HAS_NC = BIT(1),
+ 	BATADV_ORIG_CAPA_HAS_TT = BIT(2),
+ 	BATADV_ORIG_CAPA_HAS_MCAST = BIT(3),
+-- 
+2.1.4
+

batman-adv/patches/0015-batman-adv-Fix-broken-NC-capability-check.patch

@@ -0,0 +1,53 @@
+From dfb27e75b5586e356e88b9d827d772a6cbdf3cc1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
+Date: Fri, 3 Jul 2015 18:29:57 +0200
+Subject: [PATCH 15/17] batman-adv: Fix broken NC capability check
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The introduction of set_bit() and clear_bit() calls in batman-adv
+wrongly passed bitmasks and not the bit numbers to these functions.
+This leads to broken capability checks.
+
+Fixing this by making the capability enum a non-bitmasked one and by
+that passing non-masked values to set_bit()/clear_bit().
+
+Fixes: 586df9e2537b ("batman-adv: Make NC capability changes atomic")
+Reported-by: Def <def@laposte.net>
+Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
+Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
+---
+ network-coding.c | 2 +-
+ types.h          | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/network-coding.c b/network-coding.c
+index 3ce493e..0309c2c 100644
+--- a/network-coding.c
++++ b/network-coding.c
+@@ -871,7 +871,7 @@ void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
+ 		goto out;
+ 
+ 	/* check if orig node is network coding enabled */
+-	if (!(orig_node->capabilities & BATADV_ORIG_CAPA_HAS_NC))
++	if (!(test_bit(BATADV_ORIG_CAPA_HAS_NC, &orig_node->capabilities)))
+ 		goto out;
+ 
+ 	/* accept ogms from 'good' neighbors and single hop neighbors */
+diff --git a/types.h b/types.h
+index 08a6343..cb7ccb1 100644
+--- a/types.h
++++ b/types.h
+@@ -300,7 +300,7 @@ struct batadv_orig_node {
+  */
+ enum batadv_orig_capabilities {
+ 	BATADV_ORIG_CAPA_HAS_DAT,
+-	BATADV_ORIG_CAPA_HAS_NC = BIT(1),
++	BATADV_ORIG_CAPA_HAS_NC,
+ 	BATADV_ORIG_CAPA_HAS_TT = BIT(2),
+ 	BATADV_ORIG_CAPA_HAS_MCAST = BIT(3),
+ };
+-- 
+2.1.4
+

batman-adv/patches/0016-batman-adv-Fix-broken-TT-capability-check.patch

@@ -0,0 +1,54 @@
+From a4824ffaa200050a0b3e68101ebe074a7c45b7d5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
+Date: Fri, 3 Jul 2015 18:29:58 +0200
+Subject: [PATCH 16/17] batman-adv: Fix broken TT capability check
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The introduction of set_bit() and clear_bit() calls in batman-adv
+wrongly passed bitmasks and not the bit numbers to these functions.
+This leads to broken capability checks.
+
+Fixing this by making the capability enum a non-bitmasked one and by
+that passing non-masked values to set_bit()/clear_bit().
+
+Fixes: a51fa16ecf3f ("batman-adv: Make TT capability changes atomic")
+Reported-by: Def <def@laposte.net>
+Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
+Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
+---
+ translation-table.c | 3 ++-
+ types.h             | 2 +-
+ 2 files changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/translation-table.c b/translation-table.c
+index b6c0f52..d73b103 100644
+--- a/translation-table.c
++++ b/translation-table.c
+@@ -3323,7 +3323,8 @@ static void batadv_tt_update_orig(struct batadv_priv *bat_priv,
+ 	bool has_tt_init;
+ 
+ 	tt_vlan = (struct batadv_tvlv_tt_vlan_data *)tt_buff;
+-	has_tt_init = orig_node->capa_initialized & BATADV_ORIG_CAPA_HAS_TT;
++	has_tt_init = test_bit(BATADV_ORIG_CAPA_HAS_TT,
++			       &orig_node->capa_initialized);
+ 
+ 	/* orig table not initialised AND first diff is in the OGM OR the ttvn
+ 	 * increased by one -> we can apply the attached changes
+diff --git a/types.h b/types.h
+index cb7ccb1..6f4486c 100644
+--- a/types.h
++++ b/types.h
+@@ -301,7 +301,7 @@ struct batadv_orig_node {
+ enum batadv_orig_capabilities {
+ 	BATADV_ORIG_CAPA_HAS_DAT,
+ 	BATADV_ORIG_CAPA_HAS_NC,
+-	BATADV_ORIG_CAPA_HAS_TT = BIT(2),
++	BATADV_ORIG_CAPA_HAS_TT,
+ 	BATADV_ORIG_CAPA_HAS_MCAST = BIT(3),
+ };
+ 
+-- 
+2.1.4
+

batman-adv/patches/0017-batman-adv-Fix-broken-MCAST-capability-check.patch

@@ -0,0 +1,82 @@
+From 1798ad3fb6ba72f8c6f96024b27ad27193648787 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@c0d3.blue>
+Date: Fri, 3 Jul 2015 18:29:59 +0200
+Subject: [PATCH 17/17] batman-adv: Fix broken MCAST capability check
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The introduction of set_bit() and clear_bit() calls in batman-adv
+wrongly passed bitmasks and not the bit numbers to these functions.
+This leads to broken capability checks.
+
+Fixing this by making the capability enum a non-bitmasked one and by
+that passing non-masked values to set_bit()/clear_bit().
+
+Fixes: 201a54ba710a ("batman-adv: Make MCAST capability changes atomic")
+Reported-by: Def <def@laposte.net>
+Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
+Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
+---
+ multicast.c | 11 ++++++-----
+ types.h     |  2 +-
+ 2 files changed, 7 insertions(+), 6 deletions(-)
+
+diff --git a/multicast.c b/multicast.c
+index b75bcc3..ee8317f 100644
+--- a/multicast.c
++++ b/multicast.c
+@@ -709,14 +709,15 @@ static void batadv_mcast_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv,
+ 		mcast_flags = *(uint8_t *)tvlv_value;
+ 
+ 	spin_lock_bh(&orig->mcast_handler_lock);
+-	orig_initialized = orig->capa_initialized & BATADV_ORIG_CAPA_HAS_MCAST;
++	orig_initialized = test_bit(BATADV_ORIG_CAPA_HAS_MCAST,
++				    &orig->capa_initialized);
+ 
+ 	/* If mcast support is turned on decrease the disabled mcast node
+ 	 * counter only if we had increased it for this node before. If this
+ 	 * is a completely new orig_node no need to decrease the counter.
+ 	 */
+ 	if (orig_mcast_enabled &&
+-	    !(orig->capabilities & BATADV_ORIG_CAPA_HAS_MCAST)) {
++	    !(test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities))) {
+ 		if (orig_initialized)
+ 			atomic_dec(&bat_priv->mcast.num_disabled);
+ 		set_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities);
+@@ -725,7 +726,7 @@ static void batadv_mcast_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv,
+ 	 * node counter.
+ 	 */
+ 	} else if (!orig_mcast_enabled &&
+-		   (orig->capabilities & BATADV_ORIG_CAPA_HAS_MCAST ||
++		   (test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities) ||
+ 		    !orig_initialized)) {
+ 		atomic_inc(&bat_priv->mcast.num_disabled);
+ 		clear_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities);
+@@ -774,8 +775,8 @@ void batadv_mcast_purge_orig(struct batadv_orig_node *orig)
+ 
+ 	spin_lock_bh(&orig->mcast_handler_lock);
+ 
+-	if (!(orig->capabilities & BATADV_ORIG_CAPA_HAS_MCAST) &&
+-	    orig->capa_initialized & BATADV_ORIG_CAPA_HAS_MCAST)
++	if (!(test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities)) &&
++	    test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capa_initialized))
+ 		atomic_dec(&bat_priv->mcast.num_disabled);
+ 
+ 	batadv_mcast_want_unsnoop_update(bat_priv, orig, BATADV_NO_FLAGS);
+diff --git a/types.h b/types.h
+index 6f4486c..3baf595 100644
+--- a/types.h
++++ b/types.h
+@@ -302,7 +302,7 @@ enum batadv_orig_capabilities {
+ 	BATADV_ORIG_CAPA_HAS_DAT,
+ 	BATADV_ORIG_CAPA_HAS_NC,
+ 	BATADV_ORIG_CAPA_HAS_TT,
+-	BATADV_ORIG_CAPA_HAS_MCAST = BIT(3),
++	BATADV_ORIG_CAPA_HAS_MCAST,
+ };
+ 
+ /**
+-- 
+2.1.4
+