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author | Sven Eckelmann <sven.eckelmann@gmx.de> | 2010-09-05 01:58:20 +0200 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-09-05 00:29:42 -0700 |
commit | b19ad29f553c417075ce2ad7fbd3ba85ec5f7494 (patch) | |
tree | 74cd64a8d7e5632eaf0f3acb026a5b2b9c05d912 /drivers/staging/batman-adv/README | |
parent | cbbdd7715280b92252220cbfaccfcc727b159398 (diff) | |
download | op-kernel-dev-b19ad29f553c417075ce2ad7fbd3ba85ec5f7494.zip op-kernel-dev-b19ad29f553c417075ce2ad7fbd3ba85ec5f7494.tar.gz |
Staging: batman-adv: Start new development cycle
Version 2010.1.0 of the extra kernel module was released and thus the
documentation should be updated and everything prepared for the the
upcoming patchset.
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/batman-adv/README')
-rw-r--r-- | drivers/staging/batman-adv/README | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/staging/batman-adv/README b/drivers/staging/batman-adv/README index 7192b7f..3a975fc 100644 --- a/drivers/staging/batman-adv/README +++ b/drivers/staging/batman-adv/README @@ -1,4 +1,4 @@ -[state: 12-06-2010] +[state: 04-09-2010] BATMAN-ADV ---------- @@ -67,15 +67,21 @@ All mesh wide settings can be found in batman's own interface folder: # ls /sys/class/net/bat0/mesh/ -# aggregate_ogm originators transtable_global vis_mode -# orig_interval transtable_local vis_data +# aggregated_ogms bonding orig_interval vis_mode + + +There is a special folder for debugging informations: + +# ls /sys/kernel/debug/batman_adv/bat0/ +# originators socket transtable_global transtable_local +# 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 originators (mesh participants) with: -# cat /sys/class/net/bat0/mesh/originators +# cat /sys/kernel/debug/batman_adv/bat0/originators Other files allow to change batman's behaviour to better fit your requirements. For instance, you can check the current originator @@ -83,7 +89,7 @@ interval (value in milliseconds which determines how often batman sends its broadcast packets): # cat /sys/class/net/bat0/mesh/orig_interval -# status: 1000 +# 1000 and also change its value: @@ -137,7 +143,7 @@ at least very similar) data. When configured as server, you can get a topology snapshot of your mesh: -# cat /sys/class/net/bat0/mesh/vis_data +# cat /sys/kernel/debug/batman_adv/bat0/vis_data This raw output is intended to be easily parsable and convertable with other tools. Have a look at the batctl README if you want a @@ -181,32 +187,25 @@ enabled when compiling the batman-adv module. When building bat- man-adv as part of kernel, use "make menuconfig" and enable the option "B.A.T.M.A.N. debugging". +Those additional debug messages can be accessed using a special +file in debugfs + +# cat /sys/kernel/debug/batman_adv/bat0/log + The additional debug output is by default disabled. It can be en- -abled either at kernel modules load time or during run time. To -enable debug output at module load time, add the module parameter -debug=<value>. <value> can take one of four values. +abled during run time. Following log_levels are defined: 0 - All debug output disabled 1 - Enable messages related to routing / flooding / broadcasting 2 - Enable route or hna added / changed / deleted 3 - Enable all messages -e.g. - -# modprobe batman-adv debug=2 - -will load the module and enable debug messages for when routes or -HNAs change. - -The debug output can also be changed at runtime using the file -/sys/module/batman-adv/parameters/debug. e.g. - -# echo 2 > /sys/module/batman-adv/parameters/debug +The debug output can be changed at runtime using the file +/sys/class/net/bat0/mesh/log_level. e.g. -enables debug messages for when routes or HNAs +# echo 2 > /sys/class/net/bat0/mesh/log_level -The debug output is sent to the kernel logs. So try dmesg, lo- -gread, etc to see the debug messages. +will enable debug messages for when routes or HNAs change. BATCTL |