B.A.T.M.A.N

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4308 discussions

[B.A.T.M.A.N.] WARNING in batadv_is_on_batman_iface
by syzbot 30 Dec '18

30 Dec '18

Hello, syzbot found the following crash on: HEAD commit: d8924c0d76aa Merge tag 'devprop-4.21-rc1' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=122a373f400000 kernel config: https://syzkaller.appspot.com/x/.config?x=91a256823ef17263 dashboard link: https://syzkaller.appspot.com/bug?extid=c764de0fcfadca9a8595 compiler: gcc (GCC) 8.0.1 20180413 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16fd1d67400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+c764de0fcfadca9a8595(a)syzkaller.appspotmail.com 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ------------[ cut here ]------------ Cannot find parent device WARNING: CPU: 1 PID: 9391 at net/batman-adv/hard-interface.c:182 batadv_is_on_batman_iface+0x3ef/0x460 net/batman-adv/hard-interface.c:182 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9391 Comm: syz-executor2 Not tainted 4.20.0+ #388 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:batadv_is_on_batman_iface+0x3ef/0x460 net/batman-adv/hard-interface.c:182 Code: 8b 45 d0 48 89 45 c0 e9 f5 fe ff ff 4c 89 ff e8 67 f7 03 fa e9 f4 fc ff ff e8 2d ec c0 f9 48 c7 c7 00 16 d6 88 e8 b1 9f 8a f9 <0f> 0b eb b7 e8 68 f7 03 fa e9 3e fc ff ff 48 8b 7d c0 e8 5a f7 03 RSP: 0018:ffff8881d31e68b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8881d78d0ec0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8164e075 RDI: 0000000000000006 RBP: ffff8881d31e6900 R08: ffff8881b0d9c040 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8881b0d9c040 R12: 0000000000000000 R13: ffff8881bd630140 R14: 00000000447eea95 R15: ffff8881d78d0fc8 batadv_is_valid_iface net/batman-adv/hard-interface.c:205 [inline] batadv_hardif_add_interface net/batman-adv/hard-interface.c:917 [inline] batadv_hard_if_event+0x944/0x11e0 net/batman-adv/hard-interface.c:1041 notifier_call_chain+0x17e/0x380 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x3f/0x90 net/core/dev.c:1733 call_netdevice_notifiers net/core/dev.c:1751 [inline] register_netdevice+0xb98/0x10f0 net/core/dev.c:8570 ip6gre_newlink_common.isra.29+0x165/0x3c0 net/ipv6/ip6_gre.c:1948 ip6gre_newlink+0x353/0x9b0 net/ipv6/ip6_gre.c:1981 rtnl_newlink+0xf08/0x1da0 net/core/rtnetlink.c:3175 rtnetlink_rcv_msg+0x46a/0xc20 net/core/rtnetlink.c:4950 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4968 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 __sys_sendmsg+0x11d/0x280 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457759 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd848638c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457759 RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8486396d4 R13: 00000000004c49f1 R14: 00000000004d80d0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller(a)googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches

3 2

[B.A.T.M.A.N.] [PATCH] batman-adv/main: Fix check on return value of rtnl_link_register
by Aditya Pakki 24 Dec '18

24 Dec '18

rtnl_link_register() may fail and can impact registering the device. The fix checks the return value and pushes the error upstream. Signed-off-by: Aditya Pakki <pakki001(a)umn.edu> --- net/batman-adv/main.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 69c0d85bceb3..e0007f242823 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -109,7 +109,10 @@ static int __init batadv_init(void) batadv_debugfs_init(); register_netdevice_notifier(&batadv_hard_if_notifier); - rtnl_link_register(&batadv_link_ops); + ret = rtnl_link_register(&batadv_link_ops); + if (ret < 0) + return ret; + batadv_netlink_register(); pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n", -- 2.17.1

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[B.A.T.M.A.N.] [PATCH net-next 0/4] bridge: implement Multicast Router Discovery (RFC4286)
by Linus Lüssing 21 Dec '18

21 Dec '18

Hi, This patchset adds initial Multicast Router Discovery support to the Linux bridge (RFC4286). With MRD it is possible to detect multicast routers and mark bridge ports and forward multicast packets to such routers accordingly. So far, multicast routers are detected via IGMP/MLD queries and PIM messages in the Linux bridge. As there is only one active, selected querier at a time RFC4541 ("Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping Switches") section 2.1.1.a) recommends snooping Multicast Router Advertisements as provided by MRD (RFC4286). The first two patches are refactoring some existing code which is reused for parsing the Multicast Router Advertisements later in the fourth patch. The third patch lets the bridge join the all-snoopers multicast address to be able to reliably receive the Multicast Router Advertisements. What is not implemented yet from RFC4286 yet: * Sending Multicast Router Solicitations: -> RFC4286: "[...] may be sent when [...] an interface is (re-)initialized [or] MRD is enabled" * Snooping Multicast Router Terminations: -> currently this only relies on our own timeouts * Adjusting timeouts with the values provided in the announcements Regards, Linus

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[B.A.T.M.A.N.] gw_mode & vlan
by Sylvain PRUDENT 20 Dec '18

20 Dec '18

Hello again, I am using batman to set up a big lan network that allows clients to roam between the different APs. The mesh network is also carrying private vlan that have dedicated dhcp servers outside of the mesh network. A lot of clients may connect to the lan so I would like to use gateway mode (client/server) feature to avoid dhcp broadcast storms. Is it possible to use gw_mode for the main lan network without affecting dhcp traffic on the private vlan networks ? I already checked that the setting is not usable in the vlan scope. Right now, my test setup is composed of qemu vm bridged together running vanilla openwrt-18.06.1-x86-64-combined-ext4.img (batman-adv: 2018.1). regards, sprudent

2 1

[B.A.T.M.A.N.] short introduction
by Sylvain PRUDENT 20 Dec '18

20 Dec '18

Hello everyone, as it is my first mail to the mailing list I thought I had to introduce myself a bit. I work in a French company providing WiFi mesh networks to campsites. Our WiFi spots are based on OpenWRT and we use a lot batman-adv to build our mesh networks. Batman is a great and powerful tool and I look forward to contribute to the different exchanges on the mailing list. Best regards, sprudent

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[B.A.T.M.A.N.] [PATCH 1/2] batctl: Remove check of compiled_out files
by Sven Eckelmann 07 Dec '18

07 Dec '18

Many files in the sysfs and debugfs of batman-adv can be compiled out. The debugfs support of batman-adv can currently be disabled completely and something similar may happen in the future for sysfs. Printing the information that a file cannot be opened because the feature was disabled should therefore be printed for read/writes from/to all files when the caller didn't ask to disable error messages. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- bridge_loop_avoidance.c | 2 +- distributed_arp_table.c | 2 +- functions.c | 36 +++++------------------------------- loglevel.c | 2 ++ multicast_mode.c | 2 +- network_coding.c | 2 +- sys.h | 6 ------ 7 files changed, 11 insertions(+), 41 deletions(-) diff --git a/bridge_loop_avoidance.c b/bridge_loop_avoidance.c index 0db49f2..04b41e0 100644 --- a/bridge_loop_avoidance.c +++ b/bridge_loop_avoidance.c @@ -24,7 +24,7 @@ #include "sys.h" static struct settings_data batctl_settings_bridge_loop_avoidance = { - .sysfs_name = SYS_BLA, + .sysfs_name = "bridge_loop_avoidance", .params = sysfs_param_enable, }; diff --git a/distributed_arp_table.c b/distributed_arp_table.c index ba6e5b7..c3595fc 100644 --- a/distributed_arp_table.c +++ b/distributed_arp_table.c @@ -24,7 +24,7 @@ #include "sys.h" static struct settings_data batctl_settings_distributed_arp_table = { - .sysfs_name = SYS_DAT, + .sysfs_name = "distributed_arp_table", .params = sysfs_param_enable, }; diff --git a/functions.c b/functions.c index bdede8b..9a130e1 100644 --- a/functions.c +++ b/functions.c @@ -66,21 +66,6 @@ static struct timespec start_time; static char *host_name; char *line_ptr = NULL; -const char *fs_compile_out_param[] = { - SYS_LOG, - SYS_LOG_LEVEL, - SYS_BLA, - SYS_DAT, - SYS_NETWORK_CODING, - SYS_MULTICAST_MODE, - DEBUG_DAT_CACHE, - DEBUG_BACKBONETABLE, - DEBUG_DAT_CACHE, - DEBUG_NC_NODES, - DEBUG_MCAST_FLAGS, - NULL, -}; - void start_timer(void) { clock_gettime(CLOCK_MONOTONIC, &start_time); @@ -147,10 +132,8 @@ int file_exists(const char *fpath) return stat(fpath, &st) == 0; } -static void file_open_problem_dbg(const char *dir, const char *fname, - const char *full_path) +static void file_open_problem_dbg(const char *dir, const char *full_path) { - const char **ptr; struct stat st; if (strstr(dir, "/sys/")) { @@ -172,18 +155,9 @@ static void file_open_problem_dbg(const char *dir, const char *fname, return; } - for (ptr = fs_compile_out_param; *ptr; ptr++) { - if (strcmp(*ptr, fname) != 0) - continue; - - break; - } - fprintf(stderr, "Error - can't open file '%s': %s\n", full_path, strerror(errno)); - if (*ptr) { - fprintf(stderr, "The option you called seems not to be compiled into your batman-adv kernel module.\n"); - fprintf(stderr, "Consult the README if you wish to learn more about compiling options into batman-adv.\n"); - } + fprintf(stderr, "The option you called seems not to be compiled into your batman-adv kernel module.\n"); + fprintf(stderr, "Consult the README if you wish to learn more about compiling options into batman-adv.\n"); } static int str_is_mcast_addr(char *addr) @@ -230,7 +204,7 @@ int read_file(const char *dir, const char *fname, int read_opt, if (!fp) { if (!(read_opt & SILENCE_ERRORS)) - file_open_problem_dbg(dir, fname, full_path); + file_open_problem_dbg(dir, full_path); goto out; } @@ -366,7 +340,7 @@ int write_file(const char *dir, const char *fname, const char *arg1, fd = open(full_path, O_WRONLY); if (fd < 0) { - file_open_problem_dbg(dir, fname, full_path); + file_open_problem_dbg(dir, full_path); goto out; } diff --git a/loglevel.c b/loglevel.c index fed70c8..b5bbd0d 100644 --- a/loglevel.c +++ b/loglevel.c @@ -29,6 +29,8 @@ #include "main.h" #include "sys.h" +#define SYS_LOG_LEVEL "log_level" + static void log_level_usage(void) { fprintf(stderr, "Usage: batctl [options] loglevel [parameters] [level[ level[ level]]...]\n"); diff --git a/multicast_mode.c b/multicast_mode.c index 8542928..b65732d 100644 --- a/multicast_mode.c +++ b/multicast_mode.c @@ -24,7 +24,7 @@ #include "sys.h" static struct settings_data batctl_settings_multicast_mode = { - .sysfs_name = SYS_MULTICAST_MODE, + .sysfs_name = "multicast_mode", .params = sysfs_param_enable, }; diff --git a/network_coding.c b/network_coding.c index a4c4296..076f4cf 100644 --- a/network_coding.c +++ b/network_coding.c @@ -24,7 +24,7 @@ #include "sys.h" static struct settings_data batctl_settings_network_coding = { - .sysfs_name = SYS_NETWORK_CODING, + .sysfs_name = "network_coding", .params = sysfs_param_enable, }; diff --git a/sys.h b/sys.h index 20e1934..b493219 100644 --- a/sys.h +++ b/sys.h @@ -26,12 +26,6 @@ #include "main.h" #define SYS_BATIF_PATH_FMT "/sys/class/net/%s/mesh/" -#define SYS_LOG_LEVEL "log_level" -#define SYS_LOG "log" -#define SYS_BLA "bridge_loop_avoidance" -#define SYS_DAT "distributed_arp_table" -#define SYS_NETWORK_CODING "network_coding" -#define SYS_MULTICAST_MODE "multicast_mode" #define SYS_IFACE_PATH "/sys/class/net" #define SYS_IFACE_DIR SYS_IFACE_PATH"/%s/" #define SYS_MESH_IFACE_FMT SYS_IFACE_PATH"/%s/batman_adv/mesh_iface" -- 2.19.2

1 1

[B.A.T.M.A.N.] [PATCH] batctl: Rename option_watch_interval to option_timeout_interval
by Sven Eckelmann 07 Dec '18

07 Dec '18

The watch interval is actually a different option for debug tables which uses the parameter '-w'. The configuration to enable/disable the parameter to set the timeout for not displaying not seen originators should therefore use a different name. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- debug.c | 4 ++-- debug.h | 2 +- originators.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/debug.c b/debug.c index 316312f..182877a 100644 --- a/debug.c +++ b/debug.c @@ -44,7 +44,7 @@ static void debug_table_usage(struct state *state) fprintf(stderr, " \t -H don't show the header\n"); fprintf(stderr, " \t -w [interval] watch mode - refresh the table continuously\n"); - if (debug_table->option_watch_interval) + if (debug_table->option_timeout_interval) fprintf(stderr, " \t -t timeout interval - don't print originators not seen for x.y seconds \n"); if (debug_table->option_orig_iface) @@ -89,7 +89,7 @@ int handle_debug_table(struct state *state, int argc, char **argv) } break; case 't': - if (!debug_table->option_watch_interval) { + if (!debug_table->option_timeout_interval) { fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); debug_table_usage(state); return EXIT_FAILURE; diff --git a/debug.h b/debug.h index 2dac1b7..f1a3fd4 100644 --- a/debug.h +++ b/debug.h @@ -43,7 +43,7 @@ struct debug_table_data { float orig_timeout, float watch_interval); unsigned int option_unicast_only:1; unsigned int option_multicast_only:1; - unsigned int option_watch_interval:1; + unsigned int option_timeout_interval:1; unsigned int option_orig_iface:1; }; diff --git a/originators.c b/originators.c index c29300a..7dc9b4c 100644 --- a/originators.c +++ b/originators.c @@ -219,7 +219,7 @@ static struct debug_table_data batctl_debug_table_originators = { .debugfs_name = "originators", .header_lines = 2, .netlink_fn = netlink_print_originators, - .option_watch_interval = 1, + .option_timeout_interval = 1, .option_orig_iface = 1, }; -- 2.19.2

1 0

[B.A.T.M.A.N.] [PATCH] batman-adv: Allow to disable depmod
by Sven Eckelmann 06 Dec '18

06 Dec '18

On some build systems, the actual call to depmod is not expected and only the installation of the module is expected. Just allow to overwrite this call with a different (dummy) executable. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index d665c0ba..08ac8f65 100644 --- a/Makefile +++ b/Makefile @@ -45,6 +45,7 @@ export KERNELPATH RM ?= rm -f CP := cp -fpR LN := ln -sf +DEPMOD := depmod -a REVISION= $(shell if [ -d "$(PWD)/.git" ]; then \ echo $$(git --git-dir="$(PWD)/.git" describe --always --dirty --match "v*" |sed 's/^v//' 2> /dev/null || echo "[unknown]"); \ @@ -90,7 +91,7 @@ clean: install: config $(MAKE) -C $(KERNELPATH) $(BUILD_FLAGS) modules_install - depmod -a + $(DEPMOD) config: $(PWD)/gen-compat-autoconf.sh $(PWD)/compat-autoconf.h -- 2.19.2

1 0

[B.A.T.M.A.N.] [PATCH maint] batctl: Fix parsing of optional debug table command parameters
by Sven Eckelmann 06 Dec '18

06 Dec '18

The commands which should have no support for -t/-u/-m/-i were allowed to accept these parameters but commands which should have accepted them were denying them. Fixes: cd2b4047ead9 ("batctl: Convert debug table to command infrastructure") Reported-by: Andreas Ziegler <dev(a)andreas-ziegler.de> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- debug.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/debug.c b/debug.c index 2979dff..316312f 100644 --- a/debug.c +++ b/debug.c @@ -89,7 +89,7 @@ int handle_debug_table(struct state *state, int argc, char **argv) } break; case 't': - if (debug_table->option_watch_interval) { + if (!debug_table->option_watch_interval) { fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); debug_table_usage(state); return EXIT_FAILURE; @@ -105,7 +105,7 @@ int handle_debug_table(struct state *state, int argc, char **argv) read_opt |= SKIP_HEADER; break; case 'u': - if (debug_table->option_unicast_only) { + if (!debug_table->option_unicast_only) { fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); debug_table_usage(state); return EXIT_FAILURE; @@ -114,7 +114,7 @@ int handle_debug_table(struct state *state, int argc, char **argv) read_opt |= UNICAST_ONLY; break; case 'm': - if (debug_table->option_multicast_only) { + if (!debug_table->option_multicast_only) { fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); debug_table_usage(state); return EXIT_FAILURE; @@ -123,7 +123,7 @@ int handle_debug_table(struct state *state, int argc, char **argv) read_opt |= MULTICAST_ONLY; break; case 'i': - if (debug_table->option_orig_iface) { + if (!debug_table->option_orig_iface) { fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); debug_table_usage(state); return EXIT_FAILURE; -- 2.19.2

1 0

[B.A.T.M.A.N.] [PATCH] batman-adv: fix null pointer dereference in batadv_gw_election
by Wen Yang 30 Nov '18

30 Nov '18

This patch fixes a possible null pointer dereference in batadv_gw_election, detected by the semantic patch deref_null.cocci, with the following warning: ./net/batman-adv/gateway_client.c:289:15-24: ERROR: next_gw is NULL but dereferenced. ./net/batman-adv/gateway_client.c:290:15-29: ERROR: next_gw is NULL but dereferenced. ./net/batman-adv/gateway_client.c:291:15-29: ERROR: next_gw is NULL but dereferenced. ./net/batman-adv/gateway_client.c:292:15-27: ERROR: next_gw is NULL but dereferenced. ./net/batman-adv/gateway_client.c:293:15-27: ERROR: next_gw is NULL but dereferenced. Signed-off-by: Wen Yang <wen.yang99(a)zte.com.cn> Reviewed-by: Tan Hu <tan.hu(a)zte.com.cn> --- net/batman-adv/gateway_client.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 140c61a..d80ef1c 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -284,14 +284,16 @@ void batadv_gw_election(struct batadv_priv *bat_priv) batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_ADD, gw_addr); } else { - batadv_dbg(BATADV_DBG_BATMAN, bat_priv, - "Changing route to gateway %pM (bandwidth: %u.%u/%u.%u MBit, tq: %i)\n", - next_gw->orig_node->orig, - next_gw->bandwidth_down / 10, - next_gw->bandwidth_down % 10, - next_gw->bandwidth_up / 10, - next_gw->bandwidth_up % 10, - router_ifinfo->bat_iv.tq_avg); + if (next_gw) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, + "Changing route to gateway %pM (bandwidth: %u.%u/%u.%u MBit, tq: %i)\n", + next_gw->orig_node->orig, + next_gw->bandwidth_down / 10, + next_gw->bandwidth_down % 10, + next_gw->bandwidth_up / 10, + next_gw->bandwidth_up % 10, + router_ifinfo->bat_iv.tq_avg); + } batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_CHANGE, gw_addr); } -- 2.9.5

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