diff options
author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2009-05-02 00:37:21 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-05-20 14:46:23 -0400 |
commit | 1ac61302dcd18880e28c29e5728cd4d0efeb5366 (patch) | |
tree | 2fa7f137b67df3f966408b016745083cae7cdefa /net/wireless | |
parent | 294196ab22c91da974ba1f40d0a7cdcb0b3e6bc3 (diff) | |
download | kernel_samsung_smdk4412-1ac61302dcd18880e28c29e5728cd4d0efeb5366.zip kernel_samsung_smdk4412-1ac61302dcd18880e28c29e5728cd4d0efeb5366.tar.gz kernel_samsung_smdk4412-1ac61302dcd18880e28c29e5728cd4d0efeb5366.tar.bz2 |
mac80211/cfg80211: move wiphy specific debugfs entries to cfg80211
This moves the cfg80211 specific stuff to new cfg80211 debugfs
entries. Non-mac80211 will also get these entries now. There were
only 4 which we take:
rts_threshold
fragmentation_threshold
short_retry_limit
long_retry_limit
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/Kconfig | 8 | ||||
-rw-r--r-- | net/wireless/Makefile | 1 | ||||
-rw-r--r-- | net/wireless/core.c | 5 | ||||
-rw-r--r-- | net/wireless/core.h | 11 | ||||
-rw-r--r-- | net/wireless/debugfs.c | 70 | ||||
-rw-r--r-- | net/wireless/debugfs.h | 14 |
6 files changed, 109 insertions, 0 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index 3c3bc9e..4500549 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -10,6 +10,14 @@ config CFG80211_REG_DEBUG If unsure, say N. +config CFG80211_DEBUGFS + bool "cfg80211 DebugFS entries" + depends on CFG80211 && DEBUG_FS + ---help--- + You can enable this if you want to debugfs entries for cfg80211. + + If unsure, say N. + config WIRELESS_OLD_REGULATORY bool "Old wireless static regulatory definitions" default n diff --git a/net/wireless/Makefile b/net/wireless/Makefile index 14ea01c..f78c483 100644 --- a/net/wireless/Makefile +++ b/net/wireless/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o +cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o ccflags-y += -D__CHECK_ENDIAN__ diff --git a/net/wireless/core.c b/net/wireless/core.c index 47c20eb..b6ef533 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -17,6 +17,7 @@ #include "nl80211.h" #include "core.h" #include "sysfs.h" +#include "debugfs.h" /* name for sysfs, %d is appended */ #define PHY_NAME "phy" @@ -375,6 +376,8 @@ int wiphy_register(struct wiphy *wiphy) nl80211_send_reg_change_event(&request); } + cfg80211_debugfs_drv_add(drv); + res = 0; out_unlock: mutex_unlock(&cfg80211_mutex); @@ -405,6 +408,8 @@ void wiphy_unregister(struct wiphy *wiphy) /* unlock again before freeing */ mutex_unlock(&drv->mtx); + cfg80211_debugfs_drv_del(drv); + /* If this device got a regulatory hint tell core its * free to listen now to a new shiny device regulatory hint */ reg_device_remove(wiphy); diff --git a/net/wireless/core.h b/net/wireless/core.h index f14b6c5..930a801 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -10,6 +10,7 @@ #include <linux/netdevice.h> #include <linux/kref.h> #include <linux/rbtree.h> +#include <linux/debugfs.h> #include <net/genetlink.h> #include <net/cfg80211.h> #include "reg.h" @@ -50,6 +51,16 @@ struct cfg80211_registered_device { struct cfg80211_scan_request *scan_req; /* protected by RTNL */ unsigned long suspend_at; +#ifdef CONFIG_MAC80211_DEBUGFS + /* Debugfs entries */ + struct wiphy_debugfsdentries { + struct dentry *rts_threshold; + struct dentry *fragmentation_threshold; + struct dentry *short_retry_limit; + struct dentry *long_retry_limit; + } debugfs; +#endif + /* must be last because of the way we do wiphy_priv(), * and it should at least be aligned to NETDEV_ALIGN */ struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c new file mode 100644 index 0000000..3211e0e --- /dev/null +++ b/net/wireless/debugfs.c @@ -0,0 +1,70 @@ +/* + * cfg80211 debugfs + * + * Copyright 2009 Luis R. Rodriguez <lrodriguez@atheros.com> + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "core.h" +#include "debugfs.h" + +static int cfg80211_open_file_generic(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ +static ssize_t name## _read(struct file *file, char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wiphy *wiphy= file->private_data; \ + char buf[buflen]; \ + int res; \ + \ + res = scnprintf(buf, buflen, fmt "\n", ##value); \ + return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ +} \ + \ +static const struct file_operations name## _ops = { \ + .read = name## _read, \ + .open = cfg80211_open_file_generic, \ +}; + +DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d", + wiphy->rts_threshold) +DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d", + wiphy->frag_threshold); +DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d", + wiphy->retry_short) +DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d", + wiphy->retry_long); + +#define DEBUGFS_ADD(name) \ + drv->debugfs.name = debugfs_create_file(#name, S_IRUGO, phyd, \ + &drv->wiphy, &name## _ops); +#define DEBUGFS_DEL(name) \ + debugfs_remove(drv->debugfs.name); \ + drv->debugfs.name = NULL; + +void cfg80211_debugfs_drv_add(struct cfg80211_registered_device *drv) +{ + struct dentry *phyd = drv->wiphy.debugfsdir; + + DEBUGFS_ADD(rts_threshold); + DEBUGFS_ADD(fragmentation_threshold); + DEBUGFS_ADD(short_retry_limit); + DEBUGFS_ADD(long_retry_limit); +} + +void cfg80211_debugfs_drv_del(struct cfg80211_registered_device *drv) +{ + DEBUGFS_DEL(rts_threshold); + DEBUGFS_DEL(fragmentation_threshold); + DEBUGFS_DEL(short_retry_limit); + DEBUGFS_DEL(long_retry_limit); +} diff --git a/net/wireless/debugfs.h b/net/wireless/debugfs.h new file mode 100644 index 0000000..c226983 --- /dev/null +++ b/net/wireless/debugfs.h @@ -0,0 +1,14 @@ +#ifndef __CFG80211_DEBUGFS_H +#define __CFG80211_DEBUGFS_H + +#ifdef CONFIG_CFG80211_DEBUGFS +void cfg80211_debugfs_drv_add(struct cfg80211_registered_device *drv); +void cfg80211_debugfs_drv_del(struct cfg80211_registered_device *drv); +#else +static inline +void cfg80211_debugfs_drv_add(struct cfg80211_registered_device *drv) {} +static inline +void cfg80211_debugfs_drv_del(struct cfg80211_registered_device *drv) {} +#endif + +#endif /* __CFG80211_DEBUGFS_H */ |