Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 43264991 authored by Gerrit Renker's avatar Gerrit Renker
Browse files

dccp: Toggle debug output without module unloading 



This sets the sysfs permissions so that root can toggle the `debug'
parameter available for nearly every DCCP module. This is useful 
since there are various module inter-dependencies. The debug flag
can now be toggled at runtime using

  echo 1 > /sys/module/dccp/parameters/dccp_debug
  echo 1 > /sys/module/dccp_ccid2/parameters/ccid2_debug
  echo 1 > /sys/module/dccp_ccid3/parameters/ccid3_debug
  echo 1 > /sys/module/dccp_tfrc_lib/parameters/tfrc_debug

The last is not very useful yet, since no code at the moment calls
the tfrc_debug() macro.

Signed-off-by: default avatarGerrit Renker <gerrit@erg.abdn.ac.uk>
parent 48816322

net/dccp/ccids/ccid2.c

+1 −1
Original line number Diff line number Diff line
@@ -783,7 +783,7 @@ static struct ccid_operations ccid2 = { 
};



#ifdef CONFIG_IP_DCCP_CCID2_DEBUG

module_param(ccid2_debug, bool, 0444);

module_param(ccid2_debug, bool, 0644);

MODULE_PARM_DESC(ccid2_debug, "Enable debug messages");

#endif

net/dccp/ccids/ccid3.c

+1 −1
Original line number Diff line number Diff line
@@ -963,7 +963,7 @@ static struct ccid_operations ccid3 = { 
};



#ifdef CONFIG_IP_DCCP_CCID3_DEBUG

module_param(ccid3_debug, bool, 0444);

module_param(ccid3_debug, bool, 0644);

MODULE_PARM_DESC(ccid3_debug, "Enable debug messages");

#endif

net/dccp/ccids/lib/tfrc.c

+1 −1
Original line number Diff line number Diff line
@@ -10,7 +10,7 @@ 


#ifdef CONFIG_IP_DCCP_TFRC_DEBUG

int tfrc_debug;

module_param(tfrc_debug, bool, 0444);

module_param(tfrc_debug, bool, 0644);

MODULE_PARM_DESC(tfrc_debug, "Enable debug messages");

#endif

net/dccp/proto.c

+1 −1
Original line number Diff line number Diff line
@@ -1030,7 +1030,7 @@ MODULE_PARM_DESC(thash_entries, "Number of ehash buckets"); 


#ifdef CONFIG_IP_DCCP_DEBUG

int dccp_debug;

module_param(dccp_debug, bool, 0444);

module_param(dccp_debug, bool, 0644);

MODULE_PARM_DESC(dccp_debug, "Enable debug messages");



EXPORT_SYMBOL_GPL(dccp_debug);