[batman-adv] master: batman-adv: compat: fix null pointer exception for kernels < 3.9 (65d8217)
by postmaster＠open-mesh.org
Repository : ssh://git@open-mesh.org/batman-adv
On branch : master
>---------------------------------------------------------------
commit 65d8217193427026169c48112c561c5ca4d1bd18
Author: Linus Lüssing <linus.luessing(a)web.de>
Date: Sun Feb 16 13:01:02 2014 +0100
batman-adv: compat: fix null pointer exception for kernels < 3.9
The compat code of the new multicast patchset leads to null pointer
derefernces for kernels 3.9 in netdev_master_upper_dev_get_rcu(). This
is because the initially NULL is assigned to upper, which is equal to
dev. dev is dereferenced one line later, though, leading to a crash.
Fixing this by assigning NULL only when we are sure that the according
pointer is not going to be dereferenced anymore.
Introduced by: 532cadf26cfbb1099ef31fae9ccafcbbfc37b9b5
("batman-adv: Multicast Listener Announcements via Translation Table")
Reported-by: Marek Lindner <mareklindner(a)neomailbox.ch>
Signed-off-by: Linus Lüssing <linus.luessing(a)web.de>
Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch>
>---------------------------------------------------------------
65d8217193427026169c48112c561c5ca4d1bd18
compat.h | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/compat.h b/compat.h
index 7a3d235..7beba36 100644
--- a/compat.h
+++ b/compat.h
@@ -162,12 +162,13 @@ static inline int batadv_param_set_copystring(const char *val,
#define NET_ADDR_RANDOM 0
#define netdev_master_upper_dev_get_rcu(dev) \
- NULL; \
+ upper; \
if (dev->br_port ? 1 : 0) { \
rcu_read_unlock(); \
dev_hold(dev); \
return dev; \
- }
+ } else \
+ dev = NULL;
#endif /* < KERNEL_VERSION(2, 6, 36) */
@@ -371,12 +372,13 @@ static int __batadv_interface_tx(struct sk_buff *skb, \
#ifndef netdev_master_upper_dev_get_rcu
#define netdev_master_upper_dev_get_rcu(dev) \
- NULL; \
+ upper; \
if (dev->priv_flags & IFF_BRIDGE_PORT) { \
rcu_read_unlock(); \
dev_hold(dev); \
return dev; \
- }
+ } else \
+ dev = NULL;
#endif /* netdev_master_upper_dev_get_rcu */
6 years, 4 months
[linux-merge]linux integration; annotated tag, batman-adv-fix-for-davem, created. batman-adv-fix-for-davem
by postmaster＠open-mesh.org
The annotated tag, batman-adv-fix-for-davem has been created
at cf1637a15d200b9b72e924d4884a5689f3b79d99 (tag)
tagging 70b271a78beba787155d6696aacd7c4d4a251c50 (commit)
replaces v3.14-rc2
tagged by Antonio Quartulli
on Mon Feb 17 17:19:33 2014 +0100
- Shortlog ------------------------------------------------------------
Included changes:
- fix soft-interface MTU computation
- fix bogus pointer mangling when parsing the TT-TVLV
container. This bug led to a wrong memory access.
- fix memory leak by properly releasing the VLAN object
after CRC check
- properly check pskb_may_pull() return value
- avoid potential race condition while adding new neighbour
- fix potential memory leak by removing all the references
to the orig_node object in case of initialization failure
- fix the TT CRC computation by ensuring that every node uses
the same byte order when hosts with different endianess are
part of the same network
- fix severe memory leak by freeing skb after a successful
TVLV parsing
- avoid potential double free when orig_node initialization
fails
- fix potential kernel paging error caused by the usage of
the old value of skb->data after skb reallocation
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Antonio Quartulli (9):
batman-adv: fix soft-interface MTU computation
batman-adv: fix TT-TVLV parsing on OGM reception
batman-adv: release vlan object after checking the CRC
batman-adv: properly check pskb_may_pull return value
batman-adv: avoid potential race condition when adding a new neighbour
batman-adv: fix TT CRC computation by ensuring byte order
batman-adv: free skb on TVLV parsing success
batman-adv: avoid double free when orig_node initialization fails
batman-adv: fix potential kernel paging error for unicast transmissions
Simon Wunderlich (1):
batman-adv: fix potential orig_node reference leak
-----------------------------------------------------------------------
--
linux integration
6 years, 4 months
[linux-merge]linux integration; annotated tag, batman-adv-fix-for-davem, deleted. v3.13-rc7-135-g1df0cbd
by postmaster＠open-mesh.org
The annotated tag, batman-adv-fix-for-davem has been deleted
was 44cf5fc0b5d2d59a80724ddac364bc653dec40a7
-----------------------------------------------------------------------
tag batman-adv-fix-for-davem
Included change:
- properly compute the batman-adv header overhead. Such
result is later used to initialize the hard_header_len
member of the soft-interface netdev object
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1df0cbd509bc21b0c331358c1f9d9a6fc94bada8 batman-adv: fix batman-adv header overhead calculation
-----------------------------------------------------------------------
--
linux integration
6 years, 4 months
[batctl] master: batctl: Send multicast packets to nodes with a WANT_ALL flag (49cc660)
by postmaster＠open-mesh.org
Repository : ssh://git@open-mesh.org/batctl
On branch : master
>---------------------------------------------------------------
commit 49cc660a07863be6bdc3b65d1ecd1c67efe9cb7f
Author: Linus Lüssing <linus.luessing(a)web.de>
Date: Sat Feb 15 17:47:54 2014 +0100
batctl: Send multicast packets to nodes with a WANT_ALL flag
With this patch a node sends IPv4 multicast packets to nodes which
have a BATADV_MCAST_WANT_ALL_IPV4 flag set and IPv6 multicast packets
to nodes which have a BATADV_MCAST_WANT_ALL_IPV6 flag set, too.
Why is this needed? There are scenarios involving bridges where
multicast report snooping and multicast TT announcements are not
sufficient, which would lead to packet loss for some nodes otherwise:
MLDv1 and IGMPv1/IGMPv2 have a suppression mechanism
for multicast listener reports. When we have an MLDv1/IGMPv1/IGMPv2
querier behind a bridge then our snooping bridge is potentially not
going to see any reports even though listeners exist because according
to RFC4541 such reports are only forwarded to multicast routers:
-----------------------------------------------------------
---------------
{Querier}---|Snoop. Switch|----{Listener}
---------------
\ ^
-------
| br0 | < ???
-------
\
_-~---~_
_-~/ ~-_
~ batman-adv \-----{Sender}
\~_ cloud ~/
-~~__-__-~_/
I) MLDv1 Query: {Querier} -> flooded
II) MLDv1 Report: {Listener} -> {Querier}
-> br0 cannot detect the {Listener}
=> Packets from {Sender} need to be forwarded to all
detected listeners and MLDv1/IGMPv1/IGMPv2 queriers.
-----------------------------------------------------------
Note that we do not need to explicitly forward to MLDv2/IGMPv3 queriers,
because these protocols have no report suppression: A bridge has no
trouble detecting MLDv2/IGMPv3 listeners.
Even though we do not support bridges yet we need to provide the
according infrastructure already to not break compatibility later.
Signed-off-by: Linus Lüssing <linus.luessing(a)web.de>
Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch>
>---------------------------------------------------------------
49cc660a07863be6bdc3b65d1ecd1c67efe9cb7f
packet.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/packet.h b/packet.h
index 0aada24..feaa336 100644
--- a/packet.h
+++ b/packet.h
@@ -93,9 +93,13 @@ enum batadv_icmp_packettype {
* enum batadv_mcast_flags - flags for multicast capabilities and settings
* @BATADV_MCAST_WANT_ALL_UNSNOOPABLES: we want all packets destined for
* 224.0.0.0/24 or ff02::1
+ * @BATADV_MCAST_WANT_ALL_IPV4: we want all IPv4 multicast packets
+ * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
*/
enum batadv_mcast_flags {
BATADV_MCAST_WANT_ALL_UNSNOOPABLES = BIT(0),
+ BATADV_MCAST_WANT_ALL_IPV4 = BIT(1),
+ BATADV_MCAST_WANT_ALL_IPV6 = BIT(2),
};
/* tt data subtypes */
6 years, 4 months
[batctl] master: batctl: Add IPv4 link-local/IPv6-ll-all-nodes multicast support (fc98f2c)
by postmaster＠open-mesh.org
Repository : ssh://git@open-mesh.org/batctl
On branch : master
>---------------------------------------------------------------
commit fc98f2cb4b061b09323e1b7473c33227e07a1368
Author: Linus Lüssing <linus.luessing(a)web.de>
Date: Sat Feb 15 17:47:53 2014 +0100
batctl: Add IPv4 link-local/IPv6-ll-all-nodes multicast support
With this patch a node may additionally perform the dropping or
unicasting behaviour for a link-local IPv4 and link-local-all-nodes
IPv6 multicast packet, too.
The extra counter and BATADV_MCAST_WANT_ALL_UNSNOOPABLES flag is needed
because with a future bridge snooping support integration a node with a
bridge on top of its soft interface is not able to reliably detect its
multicast listeners for IPv4 link-local and the IPv6
link-local-all-nodes addresses anymore (see RFC4541, section 2.1.2.2
and section 3).
Even though this new flag does make "no difference" now, it'll ensure
a seamless integration of multicast bridge support without needing to
break compatibility later.
Also note, that even with multicast bridge support it won't be possible
to optimize 224.0.0.x and ff02::1 towards nodes with bridges, they will
always receive these ranges.
Signed-off-by: Linus Lüssing <linus.luessing(a)web.de>
Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch>
>---------------------------------------------------------------
fc98f2cb4b061b09323e1b7473c33227e07a1368
packet.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/packet.h b/packet.h
index e8c483d..0aada24 100644
--- a/packet.h
+++ b/packet.h
@@ -89,6 +89,15 @@ enum batadv_icmp_packettype {
BATADV_PARAMETER_PROBLEM = 12,
};
+/**
+ * enum batadv_mcast_flags - flags for multicast capabilities and settings
+ * @BATADV_MCAST_WANT_ALL_UNSNOOPABLES: we want all packets destined for
+ * 224.0.0.0/24 or ff02::1
+ */
+enum batadv_mcast_flags {
+ BATADV_MCAST_WANT_ALL_UNSNOOPABLES = BIT(0),
+};
+
/* tt data subtypes */
#define BATADV_TT_DATA_TYPE_MASK 0x0F
6 years, 4 months
[batctl] master: batctl: Announce new capability via multicast TVLV (9839d45)
by postmaster＠open-mesh.org
Repository : ssh://git@open-mesh.org/batctl
On branch : master
>---------------------------------------------------------------
commit 9839d4566503ec23e1add71a456eb8bffb27cb99
Author: Linus Lüssing <linus.luessing(a)web.de>
Date: Sat Feb 15 17:47:51 2014 +0100
batctl: Announce new capability via multicast TVLV
If the soft interface of a node is not part of a bridge then a node
announces a new multicast TVLV: The existence of this TVLV
signalizes that this node is announcing all of its multicast listeners
via the translation table infrastructure.
Signed-off-by: Linus Lüssing <linus.luessing(a)web.de>
Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch>
>---------------------------------------------------------------
9839d4566503ec23e1add71a456eb8bffb27cb99
packet.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/packet.h b/packet.h
index 0a381d1..e8c483d 100644
--- a/packet.h
+++ b/packet.h
@@ -145,6 +145,7 @@ enum batadv_bla_claimframe {
* @BATADV_TVLV_NC: network coding tvlv
* @BATADV_TVLV_TT: translation table tvlv
* @BATADV_TVLV_ROAM: roaming advertisement tvlv
+ * @BATADV_TVLV_MCAST: multicast capability tvlv
*/
enum batadv_tvlv_type {
BATADV_TVLV_GW = 0x01,
@@ -152,6 +153,7 @@ enum batadv_tvlv_type {
BATADV_TVLV_NC = 0x03,
BATADV_TVLV_TT = 0x04,
BATADV_TVLV_ROAM = 0x05,
+ BATADV_TVLV_MCAST = 0x06,
};
#pragma pack(2)
@@ -504,4 +506,14 @@ struct batadv_tvlv_roam_adv {
__be16 vid;
};
+/**
+ * struct batadv_tvlv_mcast_data - payload of a multicast tvlv
+ * @flags: multicast flags announced by the orig node
+ * @reserved: reserved field
+ */
+struct batadv_tvlv_mcast_data {
+ uint8_t flags;
+ uint8_t reserved[3];
+};
+
#endif /* _NET_BATMAN_ADV_PACKET_H_ */
6 years, 4 months
[linux-merge]linux integration; annotated tag, v3.14-rc3, created. v3.14-rc3
by postmaster＠open-mesh.org
The annotated tag, v3.14-rc3 has been created
at 0f0e0c41b94db3caa68d5111347e699f6cf84e70 (tag)
tagging 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (commit)
replaces v3.14-rc2
tagged by Linus Torvalds
on Sun Feb 16 13:30:31 2014 -0800
- Shortlog ------------------------------------------------------------
Linux 3.14-rc3
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-----------------------------------------------------------------------
--
linux integration
6 years, 4 months
[openwrt-feed-batman-adv] master: batman-adv-devel: update to latest master and add multicast support (40f1698)
by postmaster＠open-mesh.org
Repository : ssh://git@open-mesh.org/openwrt-feed-batman-adv
On branch : master
>---------------------------------------------------------------
commit 40f16985b1cfd6a0350aef7a9bb9aadb73792ea4
Author: Marek Lindner <mareklindner(a)neomailbox.ch>
Date: Sun Feb 16 17:57:21 2014 +0800
batman-adv-devel: update to latest master and add multicast support
Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch>
>---------------------------------------------------------------
40f16985b1cfd6a0350aef7a9bb9aadb73792ea4
batman-adv-devel/Config.in | 7 ++++++-
batman-adv-devel/Makefile | 8 ++++----
batman-adv-devel/files/etc/config/batman-adv | 1 +
batman-adv-devel/files/lib/batman-adv/config.sh | 4 +++-
4 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/batman-adv-devel/Config.in b/batman-adv-devel/Config.in
index 82f0905..99e38dd 100644
--- a/batman-adv-devel/Config.in
+++ b/batman-adv-devel/Config.in
@@ -14,6 +14,11 @@ config KMOD_BATMAN_ADV_DEVEL_DAT
depends on PACKAGE_kmod-batman-adv-devel
default y
+config KMOD_BATMAN_ADV_DEVEL_MCAST
+ bool "enable multicast transmission optimization"
+ depends on PACKAGE_kmod-batman-adv-devel
+ default y
+
config KMOD_BATMAN_ADV_DEVEL_NC
bool "enable network coding [requires promisc mode support]"
depends on PACKAGE_kmod-batman-adv-devel
@@ -23,7 +28,7 @@ config KMOD_BATMAN_ADV_DEVEL_BATMAN_REV
string
prompt "batman-adv git revision to build package with"
depends on PACKAGE_kmod-batman-adv-devel
- default "fbe649d"
+ default "0dd5d2c"
help
Enter the full or shortened git revision to override package
default value. This allows to build from non-master branches
diff --git a/batman-adv-devel/Makefile b/batman-adv-devel/Makefile
index 39bbb2f..e8b0881 100644
--- a/batman-adv-devel/Makefile
+++ b/batman-adv-devel/Makefile
@@ -10,9 +10,8 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=batman-adv-devel
-PKG_BATMAN_REV:=$(CONFIG_KMOD_BATMAN_ADV_DEVEL_BATMAN_REV)
-
-PKG_BATMAN_SHORTREV:=$(shell echo $(PKG_BATMAN_REV) | cut -c1-7)
+PKG_VERSION:=$(CONFIG_KMOD_BATMAN_ADV_DEVEL_BATMAN_REV)
+PKG_BATMAN_SHORTREV:=$(shell echo $(PKG_VERSION) | cut -c1-7)
PKG_BATMAN_FNAME:=batman-adv-devel-$(PKG_BATMAN_SHORTREV).tar.gz
PKG_BATMAN_DIR:=batman-adv-$(PKG_BATMAN_SHORTREV)
@@ -37,7 +36,7 @@ endef
define KernelPackage/batman-adv-devel/description
B.A.T.M.A.N. advanced is a kernel module which allows to
build layer 2 mesh networks. This package builds the latest
-development version ($(PKG_BATMAN_SHORTREV)).
+development version.
endef
define KernelPackage/batman-adv-devel/config
@@ -55,6 +54,7 @@ MAKE_BATMAN_ADV_ARGS += \
CONFIG_BATMAN_ADV_DEBUG=$(if $(CONFIG_KMOD_BATMAN_ADV_DEVEL_DEBUG_LOG),y,n) \
CONFIG_BATMAN_ADV_BLA=$(if $(CONFIG_KMOD_BATMAN_ADV_DEVEL_BLA),y,n) \
CONFIG_BATMAN_ADV_DAT=$(if $(CONFIG_KMOD_BATMAN_ADV_DEVEL_DAT),y,n) \
+ CONFIG_BATMAN_ADV_MCAST=$(if $(CONFIG_KMOD_BATMAN_ADV_DEVEL_MCAST),y,n) \
CONFIG_BATMAN_ADV_NC=$(if $(CONFIG_KMOD_BATMAN_ADV_DEVEL_NC),y,n) \
REVISION="$(PKG_BATMAN_SHORTREV)" all
diff --git a/batman-adv-devel/files/etc/config/batman-adv b/batman-adv-devel/files/etc/config/batman-adv
index 79d660d..1922310 100644
--- a/batman-adv-devel/files/etc/config/batman-adv
+++ b/batman-adv-devel/files/etc/config/batman-adv
@@ -12,6 +12,7 @@ config 'mesh' 'bat0'
option 'vis_mode'
option 'bridge_loop_avoidance'
option 'distributed_arp_table'
+ option 'multicast_mode'
option 'network_coding'
option 'hop_penalty'
diff --git a/batman-adv-devel/files/lib/batman-adv/config.sh b/batman-adv-devel/files/lib/batman-adv/config.sh
index 471c1f2..58fbfe1 100644
--- a/batman-adv-devel/files/lib/batman-adv/config.sh
+++ b/batman-adv-devel/files/lib/batman-adv/config.sh
@@ -12,7 +12,7 @@ bat_config()
{
local mesh="$1"
local aggregated_ogms ap_isolation bonding bridge_loop_avoidance distributed_arp_table fragmentation
- local gw_bandwidth gw_mode gw_sel_class hop_penalty network_coding log_level orig_interval vis_mode
+ local gw_bandwidth gw_mode gw_sel_class hop_penalty multicast_mode network_coding log_level orig_interval vis_mode
config_get aggregated_ogms "$mesh" aggregated_ogms
config_get ap_isolation "$mesh" ap_isolation
@@ -24,6 +24,7 @@ bat_config()
config_get gw_mode "$mesh" gw_mode
config_get gw_sel_class "$mesh" gw_sel_class
config_get hop_penalty "$mesh" hop_penalty
+ config_get multicast_mode "$mesh" multicast_mode
config_get network_coding "$mesh" network_coding
config_get log_level "$mesh" log_level
config_get orig_interval "$mesh" orig_interval
@@ -41,6 +42,7 @@ bat_config()
[ -n "$gw_mode" ] && echo $gw_mode > /sys/class/net/$mesh/mesh/gw_mode
[ -n "$gw_sel_class" ] && echo $gw_sel_class > /sys/class/net/$mesh/mesh/gw_sel_class
[ -n "$hop_penalty" ] && echo $hop_penalty > /sys/class/net/$mesh/mesh/hop_penalty
+ [ -n "$multicast_mode" ] && echo $multicast_mode > /sys/class/net/$mesh/mesh/multicast_mode 2>&-
[ -n "$network_coding" ] && echo $network_coding > /sys/class/net/$mesh/mesh/network_coding 2>&-
[ -n "$log_level" ] && echo $log_level > /sys/class/net/$mesh/mesh/log_level 2>&-
[ -n "$orig_interval" ] && echo $orig_interval > /sys/class/net/$mesh/mesh/orig_interval
6 years, 4 months
[batman-adv] master: Merge branch 'next' (93079ca)
by postmaster＠open-mesh.org
Repository : ssh://git@open-mesh.org/batman-adv
On branch : master
>---------------------------------------------------------------
commit 93079ca41d3519f552f3ed0935baec66053850e5
Merge: 0dd5d2c 28d69c6
Author: Marek Lindner <mareklindner(a)neomailbox.ch>
Date: Sun Feb 16 17:41:46 2014 +0800
Merge branch 'next'
>---------------------------------------------------------------
93079ca41d3519f552f3ed0935baec66053850e5
gateway_client.c | 2 --
1 file changed, 2 deletions(-)
6 years, 4 months