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authorJohn W. Linville <linville@tuxdriver.com>2008-09-25 02:13:14 +0400
committerJohn W. Linville <linville@tuxdriver.com>2008-11-01 02:00:46 +0300
commit7e272fcff6f0a32a3d46e600ea5895f6058f4e2d (patch)
tree39857028913862af4d71170d1f16ee360ba49115 /net/wireless
parentddf4ac53fb8a12a027c0486db743ae040f45b56a (diff)
downloadlinux-7e272fcff6f0a32a3d46e600ea5895f6058f4e2d.tar.xz
wireless: consolidate on a single escape_essid implementation
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/Kconfig10
-rw-r--r--net/wireless/Makefile1
-rw-r--r--net/wireless/lib80211.c58
3 files changed, 69 insertions, 0 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 646c7121dbc0..ae7f2262dfb5 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -72,3 +72,13 @@ config WIRELESS_EXT_SYSFS
Say Y if you have programs using it, like old versions of
hal.
+
+config LIB80211
+ tristate "Common routines for IEEE802.11 drivers"
+ default n
+ help
+ This options enables a library of common routines used
+ by IEEE802.11 wireless LAN drivers.
+
+ Drivers should select this themselves if needed. Say Y if
+ you want this built into your kernel.
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index b9f943c45f3b..d2d848d445f2 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -1,5 +1,6 @@
obj-$(CONFIG_WIRELESS_EXT) += wext.o
obj-$(CONFIG_CFG80211) += cfg80211.o
+obj-$(CONFIG_LIB80211) += lib80211.o
cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o
cfg80211-$(CONFIG_NL80211) += nl80211.o
diff --git a/net/wireless/lib80211.c b/net/wireless/lib80211.c
new file mode 100644
index 000000000000..b22d271fb675
--- /dev/null
+++ b/net/wireless/lib80211.c
@@ -0,0 +1,58 @@
+/*
+ * lib80211 -- common bits for IEEE802.11 drivers
+ *
+ * Copyright(c) 2008 John W. Linville <linville@tuxdriver.com>
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/ieee80211.h>
+
+#include <net/lib80211.h>
+
+#define DRV_NAME "lib80211"
+
+#define DRV_DESCRIPTION "common routines for IEEE802.11 drivers"
+
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_AUTHOR("John W. Linville <linville@tuxdriver.com>");
+MODULE_LICENSE("GPL");
+
+const char *escape_ssid(const char *ssid, u8 ssid_len)
+{
+ static char escaped[IEEE80211_MAX_SSID_LEN * 2 + 1];
+ const char *s = ssid;
+ char *d = escaped;
+
+ if (is_empty_ssid(ssid, ssid_len)) {
+ memcpy(escaped, "<hidden>", sizeof("<hidden>"));
+ return escaped;
+ }
+
+ ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN);
+ while (ssid_len--) {
+ if (*s == '\0') {
+ *d++ = '\\';
+ *d++ = '0';
+ s++;
+ } else {
+ *d++ = *s++;
+ }
+ }
+ *d = '\0';
+ return escaped;
+}
+EXPORT_SYMBOL(escape_ssid);
+
+static int __init ieee80211_init(void)
+{
+ printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION "\n");
+ return 0;
+}
+
+static void __exit ieee80211_exit(void)
+{
+}
+
+module_init(ieee80211_init);
+module_exit(ieee80211_exit);