B.A.T.M.A.N January 2014

b.a.t.m.a.n@lists.open-mesh.org

21 participants
62 discussions

[B.A.T.M.A.N.] [PATCH] batman-adv: Makefile: add depends for 'crc16' which is still needed but removed accidentally
by Bastian Bittorf 15 Jan '14

15 Jan '14

batman-adv: Makefile: add depends for 'crc16' which is still needed/used in BLA-framework (Bridge Loop Avoidance) in bridge_loop_avoidance.c. Thanks to Antonio 'ordex' Quartulli for confirmation. Signed-off-by: Bastian Bittorf <bittorf(a)bluebottle.com> --- batman-adv/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/batman-adv/Makefile b/batman-adv/Makefile index 0e0945b..2504682 100644 --- a/batman-adv/Makefile +++ b/batman-adv/Makefile @@ -29,7 +29,7 @@ define KernelPackage/batman-adv URL:=http://www.open-mesh.org/ MAINTAINER:=Marek Lindner <lindner_marek(a)yahoo.de> SUBMENU:=Network Support - DEPENDS:=+kmod-crypto-core +kmod-crypto-crc32c +kmod-lib-crc32c +libc + DEPENDS:=+kmod-lib-crc16 +kmod-crypto-core +kmod-crypto-crc32c +kmod-lib-crc32c +libc TITLE:=B.A.T.M.A.N. Adv FILES:=$(PKG_BUILD_DIR)/batman-adv.$(LINUX_KMOD_SUFFIX) AUTOLOAD:=$(call AutoLoad,50,batman-adv) -- 1.8.1.2

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Re: [B.A.T.M.A.N.] [PATCH net-next 07/10] batman-adv: use __dev_get_by_index instead of dev_get_by_index to find interface
by Antonio Quartulli 14 Jan '14

14 Jan '14

On 14/01/14 08:41, Ying Xue wrote: > The following call chains indicate that batadv_is_on_batman_iface() > is always under rtnl_lock protection as call_netdevice_notifier() > is protected by rtnl_lock. So if __dev_get_by_index() rather than > dev_get_by_index() is used to find interface handler in it, this > would help us avoid to change interface reference counter. > > call_netdevice_notifier() > batadv_hard_if_event() > batadv_hardif_add_interface() > batadv_is_valid_iface() > batadv_is_on_batman_iface() > > Cc: Antonio Quartulli <antonio(a)meshcoding.com> > Signed-off-by: Ying Xue <ying.xue(a)windriver.com> Acked-by: Antonio Quartulli <antonio(a)meshcoding.com> > --- > net/batman-adv/hard-interface.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c > index bebd46c..115d14e 100644 > --- a/net/batman-adv/hard-interface.c > +++ b/net/batman-adv/hard-interface.c > @@ -86,15 +86,13 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev) > return false; > > /* recurse over the parent device */ > - parent_dev = dev_get_by_index(&init_net, net_dev->iflink); > + parent_dev = __dev_get_by_index(&init_net, net_dev->iflink); > /* if we got a NULL parent_dev there is something broken.. */ > if (WARN(!parent_dev, "Cannot find parent device")) > return false; > > ret = batadv_is_on_batman_iface(parent_dev); > > - if (parent_dev) > - dev_put(parent_dev); > return ret; > } > > -- Antonio Quartulli

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[B.A.T.M.A.N.] pull request: batman-adv 2014-01-09
by Antonio Quartulli 10 Jan '14

10 Jan '14

Hello David, this is a batch of patches intended for net-next/linux-3.14. Here we start with patches 1, 2 and 3 that are minor cleanups: - fix a typ0 in a header guard define - substitute the FSF address with the URL in every file (checkpatch still complains about the text I used, but this is what the rest of the networking code is doing) - minor optimisation of ntohl usage Then we have patch 4 that improves the bat-GW selection feature by deselecting the current GW on client mode deactivation. This allows userspace to get a meaningful uevent on a further client mode reactivation. Patches 5 and 6 are other minor refactorings: - a function renaming (gw_deselect() -> gw_reselect()) to better reflect its behaviour - remove parenthesis around return expressions Patch 7 is yet another improvement to the bat-GW feature: now all the DHCP packets are sent via bat-unicast messages. With this we achieves to goals: 1) the DHCP protocol becomes even more reliable in sparse wireless mesh networks, where broadcast packets do not always make their way through 2) the broadcast overhead due to DHCP packets in dense wireless networks is now reduced as we only use unicasts. In the end patches from 8 to 13 implement a new feature: the Extended Isolation (which is basically it is an extension of the already existing AP Isolation concept). This new mechanism allows the user to prevent communications from a generic client A to a generic client B (located in two different point of the mesh network) based on the value of the skb->mark field. This can be seen as a first step towards a netfilter integration in a mesh-wide environment. For more documentation about this new mechanism, please read [1]. Please pull or let me know of any problem! Thanks a lot, Antonio [1] http://www.open-mesh.org/projects/batman-adv/wiki/Extended-isolation p.s. thanks for notifying me the merge of net into net-next! In this way I avoided you to deal with some ugly merge conflicts :) The following changes since commit 80077935cad223b292d4a03e901a953b20a36593: Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next (2014-01-08 01:11:19 -0500) are available in the git repository at: git://git.open-mesh.org/linux-merge.git tags/batman-adv-for-davem for you to fetch changes up to 42cb0bef0176572e2e826b49d697c653eedd7fce: batman-adv: set the isolation mark in the skb if needed (2014-01-08 20:49:46 +0100) ---------------------------------------------------------------- Included changes: - substitute FSF address with URL - deselect current bat-GW when GW-client mode gets deactivated - send every DHCP packet using bat-unicast messages when GW-client mode is enabled - implement the Extended Isolation mechanism (it is an enhancement of the already existing batman-AP-isolation). This mechanism allows the user to drop packets exchanged by selected clients by using netfilter marks. - fix typ0 in header guard - minor code cleanups ---------------------------------------------------------------- Antonio Quartulli (13): batman-adv: properly rename define in distributed arp table header file batman-adv: don't switch byte order too often if not needed batman-adv: remove FSF address from GPL disclaimer batman-adv: deselect current GW on client mode switch off batman-adv: rename gw_deselect() to gw_reselect() batman-adv: remove parenthesis from return statements batman-adv: send every DHCP packet as bat-unicast batman-adv: add isolation_mark sysfs attribute batman-adv: mark a local client as isolated when needed batman-adv: print the new BATADV_TT_CLIENT_ISOLA flag batman-adv: extend the ap_isolation mechanism batman-adv: create helper function to get AP isolation status batman-adv: set the isolation mark in the skb if needed Documentation/ABI/testing/sysfs-class-net-mesh | 8 + net/batman-adv/Makefile | 4 +- net/batman-adv/bat_algo.h | 4 +- net/batman-adv/bat_iv_ogm.c | 4 +- net/batman-adv/bitarray.c | 4 +- net/batman-adv/bitarray.h | 4 +- net/batman-adv/bridge_loop_avoidance.c | 4 +- net/batman-adv/bridge_loop_avoidance.h | 4 +- net/batman-adv/debugfs.c | 4 +- net/batman-adv/debugfs.h | 4 +- net/batman-adv/distributed-arp-table.c | 10 +- net/batman-adv/distributed-arp-table.h | 10 +- net/batman-adv/fragmentation.c | 4 +- net/batman-adv/fragmentation.h | 4 +- net/batman-adv/gateway_client.c | 215 ++++++++++++------------- net/batman-adv/gateway_client.h | 10 +- net/batman-adv/gateway_common.c | 6 +- net/batman-adv/gateway_common.h | 4 +- net/batman-adv/hard-interface.c | 4 +- net/batman-adv/hard-interface.h | 4 +- net/batman-adv/hash.c | 4 +- net/batman-adv/hash.h | 4 +- net/batman-adv/icmp_socket.c | 4 +- net/batman-adv/icmp_socket.h | 4 +- net/batman-adv/main.c | 30 +++- net/batman-adv/main.h | 7 +- net/batman-adv/network-coding.c | 4 +- net/batman-adv/network-coding.h | 4 +- net/batman-adv/originator.c | 4 +- net/batman-adv/originator.h | 4 +- net/batman-adv/packet.h | 5 +- net/batman-adv/routing.c | 12 +- net/batman-adv/routing.h | 4 +- net/batman-adv/send.c | 20 ++- net/batman-adv/send.h | 14 +- net/batman-adv/soft-interface.c | 107 +++++++----- net/batman-adv/soft-interface.h | 4 +- net/batman-adv/sysfs.c | 92 ++++++++++- net/batman-adv/sysfs.h | 4 +- net/batman-adv/translation-table.c | 76 ++++++--- net/batman-adv/translation-table.h | 8 +- net/batman-adv/types.h | 18 ++- 42 files changed, 437 insertions(+), 311 deletions(-)

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[B.A.T.M.A.N.] [PATCH v3.6 06/19] batman-adv: use batadv_compare_eth for concise
by Ding Tianhong 08 Jan '14

08 Jan '14

It is better to use batadv_compate_eth instead of memcpy for concise style. Cc: Marek Lindner <mareklindner(a)neomailbox.ch> Cc: Simon Wunderlich <sw(a)simonwunderlich.de> Cc: Antonio Quartulli <antonio(a)meshcoding.com> Cc: "David S. Miller" <davem(a)davemloft.net> Cc: b.a.t.m.a.n(a)lists.open-mesh.org Cc: netdev(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Signed-off-by: Tan Xiaojun <tanxiaojun(a)huawei.com> Signed-off-by: Ding Tianhong <dingtianhong(a)huawei.com> Acked-by: Antonio Quartulli <antonio(a)meshcoding.com> --- net/batman-adv/originator.c | 2 +- net/batman-adv/translation-table.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 8ab1434..803ab4b 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -41,7 +41,7 @@ int batadv_compare_orig(const struct hlist_node *node, const void *data2) const void *data1 = container_of(node, struct batadv_orig_node, hash_entry); - return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); + return batadv_compare_eth(data1, data2); } /** diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 4add57d..06506e6 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -51,7 +51,7 @@ static int batadv_compare_tt(const struct hlist_node *node, const void *data2) const void *data1 = container_of(node, struct batadv_tt_common_entry, hash_entry); - return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); + return batadv_compare_eth(data1, data2); } /** -- 1.8.0

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[B.A.T.M.A.N.] [PATCH] batctl: remove gateway class left-overs in the manpage
by Marek Lindner 06 Jan '14

06 Jan '14

Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> --- man/batctl.8 | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/man/batctl.8 b/man/batctl.8 index fafe735..316c9ab 100644 --- a/man/batctl.8 +++ b/man/batctl.8 @@ -107,15 +107,15 @@ If no parameter is given the current gateway mode is displayed otherwise the par second (optional) argument specifies the selection class (if 'client' was the first argument) or the gateway bandwidth (if 'server' was the first argument). If the node is a server this parameter is used to inform other nodes in the network about this node's internet connection bandwidth. Just enter any number (optionally followed by "kbit" or "mbit") and the batman-adv -module will guess your appropriate gateway class. Use "/" to separate the down\(hy and upload rates. You can omit the upload +module will propagate the entered value in the mesh. Use "/" to separate the down\(hy and upload rates. You can omit the upload rate and the module will assume an upload of download / 5. .RS 17 -default: 2000 \-> gateway class 20 +default: 10000 \-> 10.0/2.0 MBit .RE .RS 16 -examples: 5000 \-> gateway class 49 +examples: 5000 \-> 5.0/1.0 MBit .RE -.RS 25 +.RS 26 5000kbit 5mbit 5mbit/1024 -- 1.8.4.4

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[B.A.T.M.A.N.] [PATCHv3 next 1/3] batctl: introduce rtnl_open() helper function
by Antonio Quartulli 06 Jan '14

06 Jan '14

Other part of batctl may require to open and send a message to RTNL. Extract this code and put it in a generic helper to simplify future uses. Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> --- Changes from v2: - removed IFLA_NAME attribute from request (now we send the ifindex directly) - improved rtnl_open() Changes from v1: - fixed typ0 - removed len argument from rtnl_open() in 1/3 - removed error messages in 2/3 - avoided double free in 2/3 - simplified 3/3 functions.c | 51 +++++++++++++++++++++++++++++++++++---------------- 1 file changed, 35 insertions(+), 16 deletions(-) diff --git a/functions.c b/functions.c index 13ba190..33ca9ff 100644 --- a/functions.c +++ b/functions.c @@ -497,30 +497,28 @@ static void request_mac_resolve(int ai_family, const void *l3addr) close(sock); } -static int resolve_mac_from_cache_open(int ai_family) +/** + * rtnl_open - open a socket to rtnl and send a request + * @nh: the header of the request to send + * @protocol: the protocol to use when opening the socket + * + * Return 0 on success or a negative error code otherwise + */ +static int rtnl_open(void *req, int protocol) { - int socknl; - int ret; - struct { - struct nlmsghdr hdr; - struct ndmsg msg; - } nlreq; - struct sockaddr_nl addrnl; static uint32_t nr_call = 0; uint32_t pid = (++nr_call + getpid()) & 0x3FFFFF; + struct sockaddr_nl addrnl; + struct nlmsghdr *nh; + int socknl; + int ret; memset(&addrnl, 0, sizeof(addrnl)); addrnl.nl_family = AF_NETLINK; addrnl.nl_pid = pid; addrnl.nl_groups = 0; - memset(&nlreq, 0, sizeof(nlreq)); - nlreq.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(nlreq.msg)); - nlreq.hdr.nlmsg_type = RTM_GETNEIGH; - nlreq.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; - nlreq.msg.ndm_family = ai_family; - - socknl = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); + socknl = socket(AF_NETLINK, SOCK_RAW, protocol); if (socknl < 0) goto out; @@ -528,7 +526,12 @@ static int resolve_mac_from_cache_open(int ai_family) if (ret < 0) goto outclose; - ret = send(socknl, &nlreq, nlreq.hdr.nlmsg_len, 0); + /* the nlmsghdr object must always be the first member in the req + * structure + */ + nh = (struct nlmsghdr *)req; + + ret = send(socknl, nh, nh->nlmsg_len, 0); if (ret < 0) goto outclose; out: @@ -538,6 +541,22 @@ outclose: return ret; } +static int resolve_mac_from_cache_open(int ai_family) +{ + struct { + struct nlmsghdr hdr; + struct ndmsg msg; + } nlreq; + + memset(&nlreq, 0, sizeof(nlreq)); + nlreq.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(nlreq.msg)); + nlreq.hdr.nlmsg_type = RTM_GETNEIGH; + nlreq.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; + nlreq.msg.ndm_family = ai_family; + + return rtnl_open(&nlreq, NETLINK_ROUTE); +} + static ssize_t resolve_mac_from_cache_dump(int sock, void **buf, size_t *buflen) { struct iovec iov; -- 1.8.5.2

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[B.A.T.M.A.N.] Basic Multicast Optimizations
by Linus Lüssing 06 Jan '14

06 Jan '14

This is the eleventh revision of the basic multicast optimization patches. Changes: * two non-critical compat code fixes (fixes sparse/smatch warnings): * typo: 'struct dev_addr_list' vs. 'struct batadv_dev_addr_list' * (unreachable code with netdev_master_upper_dev_get_rcu() compat code, patch provided by Simon) * included multicast.h in multicast.c (fixes an sparse warning) * substituted BATADV_UNINIT_FLAGS with a orig->capa_initialized and bat_priv->mcast.enabled as suggested by Marek (this adds patch 2/6) * removed batadv_mcast_counter_update() to increase readability as suggested and provided by Marek * rebased on top of the latest gateway code modifications: "batman-adv: send every DHCP packet as bat-unicast" (2d5b555644b22e171f3e0486abc0c2e627452d14)

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[B.A.T.M.A.N.] [PATCHv2 next 1/3] batctl: introduce rtnl_open() helper function
by Antonio Quartulli 05 Jan '14

05 Jan '14

Other part of batctl may require to open and send a message to RTNL. Extract this code and put it in a generic helper to simplify future uses. Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> --- Changes from v1: - fixed typ0 - removed len argument from rtnl_open() in 1/3 - removed error messages in 2/3 - avoided double free in 2/3 - simplified 3/3 functions.c | 45 +++++++++++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 16 deletions(-) diff --git a/functions.c b/functions.c index 13ba190..50bb834 100644 --- a/functions.c +++ b/functions.c @@ -497,30 +497,27 @@ static void request_mac_resolve(int ai_family, const void *l3addr) close(sock); } -static int resolve_mac_from_cache_open(int ai_family) +/** + * rtnl_open - open a socket to rtnl and send a request + * @nh: the header of the request to send + * @protocol: the protocol to use when opening the socket + * + * Return 0 on success or a negative error code otherwise + */ +static int rtnl_open(struct nlmsghdr *nh, int protocol) { - int socknl; - int ret; - struct { - struct nlmsghdr hdr; - struct ndmsg msg; - } nlreq; - struct sockaddr_nl addrnl; static uint32_t nr_call = 0; uint32_t pid = (++nr_call + getpid()) & 0x3FFFFF; + struct sockaddr_nl addrnl; + int socknl; + int ret; memset(&addrnl, 0, sizeof(addrnl)); addrnl.nl_family = AF_NETLINK; addrnl.nl_pid = pid; addrnl.nl_groups = 0; - memset(&nlreq, 0, sizeof(nlreq)); - nlreq.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(nlreq.msg)); - nlreq.hdr.nlmsg_type = RTM_GETNEIGH; - nlreq.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; - nlreq.msg.ndm_family = ai_family; - - socknl = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); + socknl = socket(AF_NETLINK, SOCK_RAW, protocol); if (socknl < 0) goto out; @@ -528,7 +525,7 @@ static int resolve_mac_from_cache_open(int ai_family) if (ret < 0) goto outclose; - ret = send(socknl, &nlreq, nlreq.hdr.nlmsg_len, 0); + ret = send(socknl, nh, nh->nlmsg_len, 0); if (ret < 0) goto outclose; out: @@ -538,6 +535,22 @@ outclose: return ret; } +static int resolve_mac_from_cache_open(int ai_family) +{ + struct { + struct nlmsghdr hdr; + struct ndmsg msg; + } nlreq; + + memset(&nlreq, 0, sizeof(nlreq)); + nlreq.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(nlreq.msg)); + nlreq.hdr.nlmsg_type = RTM_GETNEIGH; + nlreq.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; + nlreq.msg.ndm_family = ai_family; + + return rtnl_open(&nlreq.hdr, NETLINK_ROUTE); +} + static ssize_t resolve_mac_from_cache_dump(int sock, void **buf, size_t *buflen) { struct iovec iov; -- 1.8.5.2

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[B.A.T.M.A.N.] [PATCH next 1/3] batctl: introduce rtnl_open() helper function
by Antonio Quartulli 05 Jan '14

05 Jan '14

Other part of batctl may require to open and send a message to RTNL. Extract this code and put it in a generic helper to simplify future uses. Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> --- functions.c | 46 ++++++++++++++++++++++++++++++---------------- 1 file changed, 30 insertions(+), 16 deletions(-) diff --git a/functions.c b/functions.c index 13ba190..a73b493 100644 --- a/functions.c +++ b/functions.c @@ -497,30 +497,28 @@ static void request_mac_resolve(int ai_family, const void *l3addr) close(sock); } -static int resolve_mac_from_cache_open(int ai_family) +/** + * rtnl_open - open a socket to rtnl and send a request + * @req: the buffer containing the request to send + * @len: the length of the buffer containing the request + * @protocol: the protocol to use when opening the socket + * + * Return 0 on success or a negative error code otherwise + */ +static int rtnl_open(void *req, size_t len, int protocol) { - int socknl; - int ret; - struct { - struct nlmsghdr hdr; - struct ndmsg msg; - } nlreq; - struct sockaddr_nl addrnl; static uint32_t nr_call = 0; uint32_t pid = (++nr_call + getpid()) & 0x3FFFFF; + struct sockaddr_nl addrnl; + int socknl; + int ret; memset(&addrnl, 0, sizeof(addrnl)); addrnl.nl_family = AF_NETLINK; addrnl.nl_pid = pid; addrnl.nl_groups = 0; - memset(&nlreq, 0, sizeof(nlreq)); - nlreq.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(nlreq.msg)); - nlreq.hdr.nlmsg_type = RTM_GETNEIGH; - nlreq.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; - nlreq.msg.ndm_family = ai_family; - - socknl = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); + socknl = socket(AF_NETLINK, SOCK_RAW, protocol); if (socknl < 0) goto out; @@ -528,7 +526,7 @@ static int resolve_mac_from_cache_open(int ai_family) if (ret < 0) goto outclose; - ret = send(socknl, &nlreq, nlreq.hdr.nlmsg_len, 0); + ret = send(socknl, req, len, 0); if (ret < 0) goto outclose; out: @@ -538,6 +536,22 @@ outclose: return ret; } +static int resolve_mac_from_cache_open(int ai_family) +{ + struct { + struct nlmsghdr hdr; + struct ndmsg msg; + } nlreq; + + memset(&nlreq, 0, sizeof(nlreq)); + nlreq.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(nlreq.msg)); + nlreq.hdr.nlmsg_type = RTM_GETNEIGH; + nlreq.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; + nlreq.msg.ndm_family = ai_family; + + return rtnl_open(&nlreq, sizeof(nlreq), NETLINK_ROUTE); +} + static ssize_t resolve_mac_from_cache_dump(int sock, void **buf, size_t *buflen) { struct iovec iov; -- 1.8.5.2

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[B.A.T.M.A.N.] [PATCH-next 1/2] batctl: change version to 2014.0.0
by Simon Wunderlich 04 Jan '14

04 Jan '14

Since we delayed the 2013.5.0 release to 2014, change the release name. Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> --- main.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/main.h b/main.h index 6ee7c46..0839771 100644 --- a/main.h +++ b/main.h @@ -23,7 +23,7 @@ #define _BATCTL_MAIN_H #ifndef SOURCE_VERSION -#define SOURCE_VERSION "2013.5.0" +#define SOURCE_VERSION "2014.0.0" #endif #define SOCKET_PATH_FMT "%s/batman_adv/%s/socket" -- 1.7.10.4

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B.A.T.M.A.N January 2014