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)
79 # undef function_enter
81 #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
82 # define function_enter() do { printk(KERN_DEBUG PFX "%s:%d:%s()\n", __FILE__, __LINE__, __FUNCTION__); } while (0)
84 # define function_enter() do { /* nothing */ } while (0)
87 /* private definitions and prototypes */
89 /*** prototypes from _scan.c */
90 void ieee80211softmac_scan(void *sm
);
91 /* for internal use if scanning is needed */
92 int ieee80211softmac_start_scan(struct ieee80211softmac_device
*mac
);
93 void ieee80211softmac_stop_scan(struct ieee80211softmac_device
*mac
);
94 void ieee80211softmac_wait_for_scan(struct ieee80211softmac_device
*mac
);
96 /* for use by _module.c to assign to the callbacks */
97 int ieee80211softmac_start_scan_implementation(struct net_device
*dev
);
98 void ieee80211softmac_stop_scan_implementation(struct net_device
*dev
);
99 void ieee80211softmac_wait_for_scan_implementation(struct net_device
*dev
);
101 /*** Network prototypes from _module.c */
102 struct ieee80211softmac_network
* ieee80211softmac_create_network(
103 struct ieee80211softmac_device
*mac
, struct ieee80211_network
*net
);
104 void ieee80211softmac_add_network_locked(struct ieee80211softmac_device
*mac
,
105 struct ieee80211softmac_network
*net
);
106 void ieee80211softmac_add_network(struct ieee80211softmac_device
*mac
,
107 struct ieee80211softmac_network
*net
);
108 void ieee80211softmac_del_network_locked(struct ieee80211softmac_device
*mac
,
109 struct ieee80211softmac_network
*net
);
110 void ieee80211softmac_del_network(struct ieee80211softmac_device
*mac
,
111 struct ieee80211softmac_network
*net
);
112 struct ieee80211softmac_network
* ieee80211softmac_get_network_by_bssid_locked(
113 struct ieee80211softmac_device
*mac
, u8
*ea
);
114 struct ieee80211softmac_network
* ieee80211softmac_get_network_by_bssid(
115 struct ieee80211softmac_device
*mac
, u8
*ea
);
116 struct ieee80211softmac_network
* ieee80211softmac_get_network_by_ssid_locked(
117 struct ieee80211softmac_device
*mac
, u8
*ssid
, u8 ssid_len
);
118 struct ieee80211softmac_network
* ieee80211softmac_get_network_by_ssid(
119 struct ieee80211softmac_device
*mac
, u8
*ssid
, u8 ssid_len
);
120 struct ieee80211softmac_network
*
121 ieee80211softmac_get_network_by_essid_locked(struct ieee80211softmac_device
*mac
,
122 struct ieee80211softmac_essid
*essid
);
123 struct ieee80211softmac_network
*
124 ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device
*mac
,
125 struct ieee80211softmac_essid
*essid
);
128 u8
ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device
*mac
, u8 rate
, int delta
);
129 static inline u8
lower_rate(struct ieee80211softmac_device
*mac
, u8 rate
) {
130 return ieee80211softmac_lower_rate_delta(mac
, rate
, 1);
133 static inline u8
get_fallback_rate(struct ieee80211softmac_device
*mac
, u8 rate
)
135 return ieee80211softmac_lower_rate_delta(mac
, rate
, 2);
139 /*** prototypes from _io.c */
140 int ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device
*mac
,
141 void* ptrarg
, u32 type
, u32 arg
);
143 /*** prototypes from _auth.c */
144 /* do these have to go into the public header? */
145 int ieee80211softmac_auth_req(struct ieee80211softmac_device
*mac
, struct ieee80211softmac_network
*net
);
146 int ieee80211softmac_deauth_req(struct ieee80211softmac_device
*mac
, struct ieee80211softmac_network
*net
, int reason
);
148 /* for use by _module.c to assign to the callbacks */
149 int ieee80211softmac_auth_resp(struct net_device
*dev
, struct ieee80211_auth
*auth
);
150 int ieee80211softmac_deauth_resp(struct net_device
*dev
, struct ieee80211_deauth
*deauth
);
152 /*** prototypes from _assoc.c */
153 void ieee80211softmac_assoc_work(void *d
);
154 int ieee80211softmac_handle_assoc_response(struct net_device
* dev
,
155 struct ieee80211_assoc_response
* resp
,
156 struct ieee80211_network
* network
);
157 int ieee80211softmac_handle_disassoc(struct net_device
* dev
,
158 struct ieee80211_disassoc
* disassoc
);
159 void ieee80211softmac_assoc_timeout(void *d
);
161 /* some helper functions */
162 static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device
*sm
)
164 return (sm
->start_scan
== ieee80211softmac_start_scan_implementation
) &&
165 (sm
->stop_scan
== ieee80211softmac_stop_scan_implementation
) &&
166 (sm
->wait_for_scan
== ieee80211softmac_wait_for_scan_implementation
);
169 static inline int ieee80211softmac_scan_sanity_check(struct ieee80211softmac_device
*sm
)
171 return ((sm
->start_scan
!= ieee80211softmac_start_scan_implementation
) &&
172 (sm
->stop_scan
!= ieee80211softmac_stop_scan_implementation
) &&
173 (sm
->wait_for_scan
!= ieee80211softmac_wait_for_scan_implementation
)
174 ) || ieee80211softmac_scan_handlers_check_self(sm
);
177 #define IEEE80211SOFTMAC_PROBE_DELAY HZ/2
178 #define IEEE80211SOFTMAC_WORKQUEUE_NAME_LEN (17 + IFNAMSIZ)
180 struct ieee80211softmac_network
{
181 struct list_head list
; /* List */
182 /* Network information copied from ieee80211_network */
185 struct ieee80211softmac_essid essid
;
187 struct ieee80211softmac_ratesinfo supported_rates
;
189 /* SoftMAC specific */
190 u16 authenticating
:1, /* Status Flags */
192 auth_desynced_once
:1;
194 u16 capabilities
; /* Capabilities bitfield */
195 u8 challenge_len
; /* Auth Challenge length */
196 char *challenge
; /* Challenge Text */
199 /* structure used to keep track of networks we're auth'ing to */
200 struct ieee80211softmac_auth_queue_item
{
201 struct list_head list
; /* List head */
202 struct ieee80211softmac_network
*net
; /* Network to auth */
203 struct ieee80211softmac_device
*mac
; /* SoftMAC device */
204 u8 retry
; /* Retry limit */
205 u8 state
; /* Auth State */
206 struct work_struct work
; /* Work queue */
209 /* scanning information */
210 struct ieee80211softmac_scaninfo
{
211 u8 current_channel_idx
,
213 struct ieee80211_channel
*channels
;
217 struct completion finished
;
218 struct work_struct softmac_scan
;
221 /* private event struct */
222 struct ieee80211softmac_event
{
223 struct list_head list
;
226 struct work_struct work
;
227 notify_function_ptr fun
;
229 struct ieee80211softmac_device
*mac
;
232 void ieee80211softmac_call_events(struct ieee80211softmac_device
*mac
, int event
, void *event_context
);
233 void ieee80211softmac_call_events_locked(struct ieee80211softmac_device
*mac
, int event
, void *event_context
);
234 int ieee80211softmac_notify_internal(struct ieee80211softmac_device
*mac
,
235 int event
, void *event_context
, notify_function_ptr fun
, void *context
, gfp_t gfp_mask
);
237 #endif /* IEEE80211SOFTMAC_PRIV_H_ */