1 files changed, 91 insertions, 39 deletions

diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 661d3c291482..11a1e7fa195d 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -88,10 +88,16 @@ config MAC80211_DEBUGFS
 
           Say N unless you know you need this.
 
+menuconfig MAC80211_DEBUG_MENU
+        bool "Select mac80211 debugging features"
+        depends on MAC80211
+        ---help---
+          This option collects various mac80211 debug settings.
+
 config MAC80211_DEBUG_PACKET_ALIGNMENT
         bool "Enable packet alignment debugging"
-        depends on MAC80211
-        help
+        depends on MAC80211_DEBUG_MENU
+        ---help---
           This option is recommended for driver authors and strongly
           discouraged for everybody else, it will trigger a warning
           when a driver hands mac80211 a buffer that is aligned in
@@ -100,33 +106,95 @@ config MAC80211_DEBUG_PACKET_ALIGNMENT
 
           Say N unless you're writing a mac80211 based driver.
 
-config MAC80211_DEBUG
-        bool "Enable debugging output"
-        depends on MAC80211
+config MAC80211_NOINLINE
+        bool "Do not inline TX/RX handlers"
+        depends on MAC80211_DEBUG_MENU
         ---help---
-          This option will enable debug tracing output for the
-          ieee80211 network stack.
+          This option affects code generation in mac80211, when
+          selected some functions are marked "noinline" to allow
+          easier debugging of problems in the transmit and receive
+          paths.
+
+          This option increases code size a bit and inserts a lot
+          of function calls in the code, but is otherwise safe to
+          enable.
 
-          If you are not trying to debug or develop the ieee80211
-          subsystem, you most likely want to say N here.
+          If unsure, say N unless you expect to be finding problems
+          in mac80211.
+
+config MAC80211_VERBOSE_DEBUG
+        bool "Verbose debugging output"
+        depends on MAC80211_DEBUG_MENU
+        ---help---
+          Selecting this option causes mac80211 to print out
+          many debugging messages. It should not be selected
+          on production systems as some of the messages are
+          remotely triggerable.
+
+          Do not select this option.
 
 config MAC80211_HT_DEBUG
-        bool "Enable HT debugging output"
-        depends on MAC80211_DEBUG
+        bool "Verbose HT debugging"
+        depends on MAC80211_DEBUG_MENU
         ---help---
           This option enables 802.11n High Throughput features
           debug tracing output.
 
-          If you are not trying to debug of develop the ieee80211
-          subsystem, you most likely want to say N here.
+          It should not be selected on production systems as some
+          of the messages are remotely triggerable.
 
-config MAC80211_VERBOSE_DEBUG
-        bool "Verbose debugging output"
-        depends on MAC80211_DEBUG
+          Do not select this option.
+
+config MAC80211_TKIP_DEBUG
+        bool "Verbose TKIP debugging"
+        depends on MAC80211_DEBUG_MENU
+        ---help---
+          Selecting this option causes mac80211 to print out
+          very verbose TKIP debugging messages. It should not
+          be selected on production systems as those messages
+          are remotely triggerable.
+
+          Do not select this option.
+
+config MAC80211_IBSS_DEBUG
+        bool "Verbose IBSS debugging"
+        depends on MAC80211_DEBUG_MENU
+        ---help---
+          Selecting this option causes mac80211 to print out
+          very verbose IBSS debugging messages. It should not
+          be selected on production systems as those messages
+          are remotely triggerable.
+
+          Do not select this option.
+
+config MAC80211_VERBOSE_PS_DEBUG
+        bool "Verbose powersave mode debugging"
+        depends on MAC80211_DEBUG_MENU
+        ---help---
+          Selecting this option causes mac80211 to print out very
+          verbose power save mode debugging messages (when mac80211
+          is an AP and has power saving stations.)
+          It should not be selected on production systems as those
+          messages are remotely triggerable.
+
+          Do not select this option.
+
+config MAC80211_VERBOSE_MPL_DEBUG
+        bool "Verbose mesh peer link debugging"
+        depends on MAC80211_DEBUG_MENU
+        depends on MAC80211_MESH
+        ---help---
+          Selecting this option causes mac80211 to print out very
+          verbose mesh peer link debugging messages (when mac80211
+          is taking part in a mesh network).
+          It should not be selected on production systems as those
+          messages are remotely triggerable.
+
+          Do not select this option.
 
 config MAC80211_LOWTX_FRAME_DUMP
         bool "Debug frame dumping"
-        depends on MAC80211_DEBUG
+        depends on MAC80211_DEBUG_MENU
         ---help---
           Selecting this option will cause the stack to
           print a message for each frame that is handed
@@ -137,33 +205,17 @@ config MAC80211_LOWTX_FRAME_DUMP
           If unsure, say N and insert the debugging code
           you require into the driver you are debugging.
 
-config MAC80211_TKIP_DEBUG
-        bool "TKIP debugging"
-        depends on MAC80211_DEBUG
-
 config MAC80211_DEBUG_COUNTERS
         bool "Extra statistics for TX/RX debugging"
         depends on MAC80211_DEBUG
-
-config MAC80211_IBSS_DEBUG
-        bool "Support for IBSS testing"
-        depends on MAC80211_DEBUG
-        ---help---
-          Say Y here if you intend to debug the IBSS code.
-
-config MAC80211_VERBOSE_PS_DEBUG
-        bool "Verbose powersave mode debugging"
-        depends on MAC80211_DEBUG
+        depends on MAC80211_DEBUG_MENU
+        depends on MAC80211_DEBUGFS
         ---help---
-          Say Y here to print out verbose powersave
-          mode debug messages.
+          Selecting this option causes mac80211 to keep additional
+          and very verbose statistics about TX and RX handler use
+          and show them in debugfs.
 
-config MAC80211_VERBOSE_MPL_DEBUG
-        bool "Verbose mesh peer link debugging"
-        depends on MAC80211_DEBUG && MAC80211_MESH
-        ---help---
-          Say Y here to print out verbose mesh peer link
-          debug messages.
+          If unsure, say N.
 
 config MAC80211_VERBOSE_SPECT_MGMT_DEBUG
         bool "Verbose Spectrum Management (IEEE 802.11h)debugging"