The debugfs files were marked as deprecated by commit fee04b6f72cf ("batman-adv: Mark debugfs functionality as deprecated"). The documentation should not advertise its usage anymore and instead promote the generic netlink family and a userspace tool to access it.
Signed-off-by: Sven Eckelmann sven@narfation.org --- Documentation/networking/batman-adv.rst | 29 ++++++++----------------- 1 file changed, 9 insertions(+), 20 deletions(-)
diff --git a/Documentation/networking/batman-adv.rst b/Documentation/networking/batman-adv.rst index 245fb6c0..1b9ff47c 100644 --- a/Documentation/networking/batman-adv.rst +++ b/Documentation/networking/batman-adv.rst @@ -74,23 +74,9 @@ All mesh wide settings can be found in batman's own interface folder:: bridge_loop_avoidance gw_sel_class network_coding distributed_arp_table hop_penalty orig_interval
-There is a special folder for debugging information:: - - $ ls /sys/kernel/debug/batman_adv/bat0/ - bla_backbone_table log neighbors transtable_local - bla_claim_table mcast_flags originators - dat_cache nc socket - gateways nc_nodes transtable_global - -Some of the files contain all sort of status information regarding the mesh -network. For example, you can view the table of originators (mesh -participants) with:: - - $ 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 interval (value in -milliseconds which determines how often batman sends its broadcast packets):: +Some files allow to change batman-adv's behaviour to better fit your +requirements. For instance, you can check the current originator interval (value +in milliseconds which determines how often batman sends its broadcast packets)::
$ cat /sys/class/net/bat0/mesh/orig_interval 1000 @@ -103,6 +89,10 @@ In very mobile scenarios, you might want to adjust the originator interval to a lower value. This will make the mesh more responsive to topology changes, but will also increase the overhead.
+Information about the current state can be accessed via the batadv generic +netlink family. batctl provides human readable version via its debug tables +subcommands. +
Usage ===== @@ -147,10 +137,9 @@ batman-adv module. When building batman-adv as part of kernel, use "make menuconfig" and enable the option ``B.A.T.M.A.N. debugging`` (``CONFIG_BATMAN_ADV_DEBUG=y``).
-Those additional debug messages can be accessed using a special file in -debugfs:: +Those additional debug messages can be accessed using the perf infrastructure::
- $ cat /sys/kernel/debug/batman_adv/bat0/log + $ trace-cmd stream -e batadv:batadv_dbg
The additional debug output is by default disabled. It can be enabled during run time. Following log_levels are defined: