2 * Internal softmac API definitions.
4 * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
5 * Joseph Jezak <josejx@gentoo.org>
6 * Larry Finger <Larry.Finger@lwfinger.net>
7 * Danny van Dyk <kugelfang@gentoo.org>
8 * Michael Buesch <mbuesch@freenet.de>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 * The full GNU General Public License is included in this distribution in the
24 * file called COPYING.
27 #ifndef IEEE80211SOFTMAC_PRIV_H_
28 #define IEEE80211SOFTMAC_PRIV_H_
30 #include <net/ieee80211softmac.h>
31 #include <net/ieee80211softmac_wx.h>
32 #include <linux/kernel.h>
33 #include <linux/stringify.h>
36 #define PFX "SoftMAC: "
41 #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
42 #define assert(expr) \
44 if (unlikely(!(expr))) { \
45 printkl(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", #expr, \
46 __FILE__, __LINE__, __FUNCTION__); \
50 #define assert(expr) do {} while (0)
53 /* rate limited printk(). */
57 #define printkl(f, x...) do { if (printk_ratelimit()) printk(f ,##x); } while (0)
58 /* rate limited printk() for debugging */
62 #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
63 # define dprintkl printkl
65 # define dprintkl(f, x...) do { /* nothing */ } while (0)
68 /* debugging printk() */
72 #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
73 # define dprintk(f, x...) do { printk(f ,##x); } while (0)
75 # define dprintk(f, x...) do { /* nothing */ } while (0)
78 /* private definitions and prototypes */
80 /*** prototypes from _scan.c */
81 void ieee80211softmac_scan(void *sm);
82 /* for internal use if scanning is needed */
83 int ieee80211softmac_start_scan(struct ieee80211softmac_device *mac);
84 void ieee80211softmac_stop_scan(struct ieee80211softmac_device *mac);
85 void ieee80211softmac_wait_for_scan(struct ieee80211softmac_device *mac);
87 /* for use by _module.c to assign to the callbacks */
88 int ieee80211softmac_start_scan_implementation(struct net_device *dev);
89 void ieee80211softmac_stop_scan_implementation(struct net_device *dev);
90 void ieee80211softmac_wait_for_scan_implementation(struct net_device *dev);
92 /*** Network prototypes from _module.c */
93 struct ieee80211softmac_network * ieee80211softmac_create_network(
94 struct ieee80211softmac_device *mac, struct ieee80211_network *net);
95 void ieee80211softmac_add_network_locked(struct ieee80211softmac_device *mac,
96 struct ieee80211softmac_network *net);
97 void ieee80211softmac_add_network(struct ieee80211softmac_device *mac,
98 struct ieee80211softmac_network *net);
99 void ieee80211softmac_del_network_locked(struct ieee80211softmac_device *mac,
100 struct ieee80211softmac_network *net);
101 void ieee80211softmac_del_network(struct ieee80211softmac_device *mac,
102 struct ieee80211softmac_network *net);
103 struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid_locked(
104 struct ieee80211softmac_device *mac, u8 *ea);
105 struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid(
106 struct ieee80211softmac_device *mac, u8 *ea);
107 struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid_locked(
108 struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
109 struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid(
110 struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
111 struct ieee80211softmac_network *
112 ieee80211softmac_get_network_by_essid_locked(struct ieee80211softmac_device *mac,
113 struct ieee80211softmac_essid *essid);
114 struct ieee80211softmac_network *
115 ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac,
116 struct ieee80211softmac_essid *essid);
119 int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo *ri, u8 rate);
120 u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta);
121 void ieee80211softmac_init_txrates(struct ieee80211softmac_device *mac);
122 void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac);
123 static inline u8 lower_rate(struct ieee80211softmac_device *mac, u8 rate) {
124 return ieee80211softmac_lower_rate_delta(mac, rate, 1);
127 static inline u8 get_fallback_rate(struct ieee80211softmac_device *mac, u8 rate)
129 return ieee80211softmac_lower_rate_delta(mac, rate, 2);
133 /*** prototypes from _io.c */
134 int ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
135 void* ptrarg, u32 type, u32 arg);
137 /*** prototypes from _auth.c */
138 /* do these have to go into the public header? */
139 int ieee80211softmac_auth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net);
140 int ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, int reason);
142 /* for use by _module.c to assign to the callbacks */
143 int ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth);
144 int ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth);
146 /*** prototypes from _assoc.c */
147 void ieee80211softmac_assoc_work(void *d);
148 int ieee80211softmac_handle_assoc_response(struct net_device * dev,
149 struct ieee80211_assoc_response * resp,
150 struct ieee80211_network * network);
151 int ieee80211softmac_handle_disassoc(struct net_device * dev,
152 struct ieee80211_disassoc * disassoc);
153 int ieee80211softmac_handle_reassoc_req(struct net_device * dev,
154 struct ieee80211_reassoc_request * reassoc);
155 void ieee80211softmac_assoc_timeout(void *d);
156 void ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason);
157 void ieee80211softmac_disassoc(struct ieee80211softmac_device *mac);
159 /* some helper functions */
160 static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device *sm)
162 return (sm->start_scan == ieee80211softmac_start_scan_implementation) &&
163 (sm->stop_scan == ieee80211softmac_stop_scan_implementation) &&
164 (sm->wait_for_scan == ieee80211softmac_wait_for_scan_implementation);
167 static inline int ieee80211softmac_scan_sanity_check(struct ieee80211softmac_device *sm)
169 return ((sm->start_scan != ieee80211softmac_start_scan_implementation) &&
170 (sm->stop_scan != ieee80211softmac_stop_scan_implementation) &&
171 (sm->wait_for_scan != ieee80211softmac_wait_for_scan_implementation)
172 ) || ieee80211softmac_scan_handlers_check_self(sm);
175 #define IEEE80211SOFTMAC_PROBE_DELAY HZ/50
176 #define IEEE80211SOFTMAC_WORKQUEUE_NAME_LEN (17 + IFNAMSIZ)
178 struct ieee80211softmac_network {
179 struct list_head list; /* List */
180 /* Network information copied from ieee80211_network */
183 struct ieee80211softmac_essid essid;
185 struct ieee80211softmac_ratesinfo supported_rates;
187 /* SoftMAC specific */
188 u16 authenticating:1, /* Status Flags */
190 auth_desynced_once:1;
192 u16 capabilities; /* Capabilities bitfield */
193 u8 challenge_len; /* Auth Challenge length */
194 char *challenge; /* Challenge Text */
197 /* structure used to keep track of networks we're auth'ing to */
198 struct ieee80211softmac_auth_queue_item {
199 struct list_head list; /* List head */
200 struct ieee80211softmac_network *net; /* Network to auth */
201 struct ieee80211softmac_device *mac; /* SoftMAC device */
202 u8 retry; /* Retry limit */
203 u8 state; /* Auth State */
204 struct work_struct work; /* Work queue */
207 /* scanning information */
208 struct ieee80211softmac_scaninfo {
209 u8 current_channel_idx,
211 struct ieee80211_channel *channels;
215 struct completion finished;
216 struct work_struct softmac_scan;
219 /* private event struct */
220 struct ieee80211softmac_event {
221 struct list_head list;
224 struct work_struct work;
225 notify_function_ptr fun;
227 struct ieee80211softmac_device *mac;
230 void ieee80211softmac_call_events(struct ieee80211softmac_device *mac, int event, void *event_context);
231 void ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int event, void *event_context);
232 int ieee80211softmac_notify_internal(struct ieee80211softmac_device *mac,
233 int event, void *event_context, notify_function_ptr fun, void *context, gfp_t gfp_mask);
235 #endif /* IEEE80211SOFTMAC_PRIV_H_ */