[PATCH] wireless: Add softmac layer to the kernel
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/ieee80211/softmac/ieee80211softmac_priv.h b/net/ieee80211/softmac/ieee80211softmac_priv.h
new file mode 100644
index 0000000..591d3bd
--- /dev/null
+++ b/net/ieee80211/softmac/ieee80211softmac_priv.h
@@ -0,0 +1,206 @@
+#ifndef IEEE80211SOFTMAC_PRIV_H_
+#define IEEE80211SOFTMAC_PRIV_H_
+
+#include <net/ieee80211softmac.h>
+#include <net/ieee80211softmac_wx.h>
+#include <linux/kernel.h>
+#include <linux/stringify.h>
+
+
+#define PFX "SoftMAC: "
+
+#ifdef assert
+# undef assert
+#endif
+#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
+#define assert(expr) \
+ do { \
+ if (unlikely(!(expr))) { \
+ printkl(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", #expr, \
+ __FILE__, __LINE__, __FUNCTION__); \
+ } \
+ } while (0)
+#else
+#define assert(expr) do {} while (0)
+#endif
+
+/* rate limited printk(). */
+#ifdef printkl
+# undef printkl
+#endif
+#define printkl(f, x...) do { if (printk_ratelimit()) printk(f ,##x); } while (0)
+/* rate limited printk() for debugging */
+#ifdef dprintkl
+# undef dprintkl
+#endif
+#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
+# define dprintkl printkl
+#else
+# define dprintkl(f, x...) do { /* nothing */ } while (0)
+#endif
+
+/* debugging printk() */
+#ifdef dprintk
+# undef dprintk
+#endif
+#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
+# define dprintk(f, x...) do { printk(f ,##x); } while (0)
+#else
+# define dprintk(f, x...) do { /* nothing */ } while (0)
+#endif
+
+#ifdef function_enter
+# undef function_enter
+#endif
+#ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
+# define function_enter() do { printk(KERN_DEBUG PFX "%s:%d:%s()\n", __FILE__, __LINE__, __FUNCTION__); } while (0)
+#else
+# define function_enter() do { /* nothing */ } while (0)
+#endif
+
+/* private definitions and prototypes */
+
+/*** prototypes from _scan.c */
+void ieee80211softmac_scan(void *sm);
+/* for internal use if scanning is needed */
+int ieee80211softmac_start_scan(struct ieee80211softmac_device *mac);
+void ieee80211softmac_stop_scan(struct ieee80211softmac_device *mac);
+void ieee80211softmac_wait_for_scan(struct ieee80211softmac_device *mac);
+
+/* for use by _module.c to assign to the callbacks */
+int ieee80211softmac_start_scan_implementation(struct net_device *dev);
+void ieee80211softmac_stop_scan_implementation(struct net_device *dev);
+void ieee80211softmac_wait_for_scan_implementation(struct net_device *dev);
+
+/*** Network prototypes from _module.c */
+struct ieee80211softmac_network * ieee80211softmac_create_network(
+ struct ieee80211softmac_device *mac, struct ieee80211_network *net);
+void ieee80211softmac_add_network_locked(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_network *net);
+void ieee80211softmac_add_network(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_network *net);
+void ieee80211softmac_del_network_locked(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_network *net);
+void ieee80211softmac_del_network(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_network *net);
+struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid_locked(
+ struct ieee80211softmac_device *mac, u8 *ea);
+struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid(
+ struct ieee80211softmac_device *mac, u8 *ea);
+struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid_locked(
+ struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
+struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid(
+ struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
+
+
+/* Rates related */
+u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta);
+static inline u8 lower_rate(struct ieee80211softmac_device *mac, u8 rate) {
+ return ieee80211softmac_lower_rate_delta(mac, rate, 1);
+}
+
+static inline u8 get_fallback_rate(struct ieee80211softmac_device *mac, u8 rate)
+{
+ return ieee80211softmac_lower_rate_delta(mac, rate, 2);
+}
+
+
+/*** prototypes from _io.c */
+int ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
+ void* ptrarg, u32 type, u32 arg);
+
+/*** prototypes from _auth.c */
+/* do these have to go into the public header? */
+int ieee80211softmac_auth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net);
+int ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, int reason);
+
+/* for use by _module.c to assign to the callbacks */
+int ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth);
+int ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_auth *auth);
+
+/*** prototypes from _assoc.c */
+void ieee80211softmac_assoc_work(void *d);
+int ieee80211softmac_handle_assoc_response(struct net_device * dev,
+ struct ieee80211_assoc_response * resp,
+ struct ieee80211_network * network);
+int ieee80211softmac_handle_disassoc(struct net_device * dev,
+ struct ieee80211_disassoc * disassoc);
+void ieee80211softmac_assoc_timeout(void *d);
+
+/* some helper functions */
+static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device *sm)
+{
+ return (sm->start_scan == ieee80211softmac_start_scan_implementation) &&
+ (sm->stop_scan == ieee80211softmac_stop_scan_implementation) &&
+ (sm->wait_for_scan == ieee80211softmac_wait_for_scan_implementation);
+}
+
+static inline int ieee80211softmac_scan_sanity_check(struct ieee80211softmac_device *sm)
+{
+ return ((sm->start_scan != ieee80211softmac_start_scan_implementation) &&
+ (sm->stop_scan != ieee80211softmac_stop_scan_implementation) &&
+ (sm->wait_for_scan != ieee80211softmac_wait_for_scan_implementation)
+ ) || ieee80211softmac_scan_handlers_check_self(sm);
+}
+
+#define IEEE80211SOFTMAC_PROBE_DELAY HZ/2
+#define IEEE80211SOFTMAC_WORKQUEUE_NAME_LEN (17 + IFNAMSIZ)
+
+struct ieee80211softmac_network {
+ struct list_head list; /* List */
+ /* Network information copied from ieee80211_network */
+ u8 bssid[ETH_ALEN];
+ u8 channel;
+ struct ieee80211softmac_essid essid;
+
+ struct ieee80211softmac_ratesinfo supported_rates;
+
+ /* SoftMAC specific */
+ u16 authenticating:1, /* Status Flags */
+ authenticated:1,
+ auth_desynced_once:1;
+
+ u16 capabilities; /* Capabilities bitfield */
+ u8 challenge_len; /* Auth Challenge length */
+ char *challenge; /* Challenge Text */
+};
+
+/* structure used to keep track of networks we're auth'ing to */
+struct ieee80211softmac_auth_queue_item {
+ struct list_head list; /* List head */
+ struct ieee80211softmac_network *net; /* Network to auth */
+ struct ieee80211softmac_device *mac; /* SoftMAC device */
+ u8 retry; /* Retry limit */
+ u8 state; /* Auth State */
+ struct work_struct work; /* Work queue */
+};
+
+/* scanning information */
+struct ieee80211softmac_scaninfo {
+ u8 current_channel_idx,
+ number_channels;
+ struct ieee80211_channel *channels;
+ u8 started:1,
+ stop:1;
+ u8 skip_flags;
+ struct completion finished;
+ struct work_struct softmac_scan;
+};
+
+/* private event struct */
+struct ieee80211softmac_event {
+ struct list_head list;
+ int event_type;
+ void *event_context;
+ struct work_struct work;
+ notify_function_ptr fun;
+ void *context;
+ struct ieee80211softmac_device *mac;
+};
+
+void ieee80211softmac_call_events(struct ieee80211softmac_device *mac, int event, void *event_context);
+void ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int event, void *event_context);
+int ieee80211softmac_notify_internal(struct ieee80211softmac_device *mac,
+ int event, void *event_context, notify_function_ptr fun, void *context, gfp_t gfp_mask);
+
+#endif /* IEEE80211SOFTMAC_PRIV_H_ */