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39#ifndef __IWM_H__
40#define __IWM_H__
41
42#include <linux/netdevice.h>
43#include <linux/wireless.h>
44#include <net/cfg80211.h>
45
46#include "debug.h"
47#include "hal.h"
48#include "umac.h"
49#include "lmac.h"
50#include "eeprom.h"
51#include "trace.h"
52
53#define IWM_COPYRIGHT "Copyright(c) 2009 Intel Corporation"
54#define IWM_AUTHOR "<ilw@linux.intel.com>"
55
56#define IWM_SRC_LMAC UMAC_HDI_IN_SOURCE_FHRX
57#define IWM_SRC_UDMA UMAC_HDI_IN_SOURCE_UDMA
58#define IWM_SRC_UMAC UMAC_HDI_IN_SOURCE_FW
59#define IWM_SRC_NUM 3
60
61#define IWM_POWER_INDEX_MIN 0
62#define IWM_POWER_INDEX_MAX 5
63#define IWM_POWER_INDEX_DEFAULT 3
64
65struct iwm_conf {
66 u32 sdio_ior_timeout;
67 unsigned long calib_map;
68 unsigned long expected_calib_map;
69 u8 ct_kill_entry;
70 u8 ct_kill_exit;
71 bool reset_on_fatal_err;
72 bool auto_connect;
73 bool wimax_not_present;
74 bool enable_qos;
75 u32 mode;
76
77 u32 power_index;
78 u32 frag_threshold;
79 u32 rts_threshold;
80 bool cts_to_self;
81
82 u32 assoc_timeout;
83 u32 roam_timeout;
84 u32 wireless_mode;
85
86 u8 ibss_band;
87 u8 ibss_channel;
88
89 u8 mac_addr[ETH_ALEN];
90};
91
92enum {
93 COEX_MODE_SA = 1,
94 COEX_MODE_XOR,
95 COEX_MODE_CM,
96 COEX_MODE_MAX,
97};
98
99struct iwm_if_ops;
100struct iwm_wifi_cmd;
101
102struct pool_entry {
103 int id;
104 int sid;
105 int min_pages;
106 int max_pages;
107 int alloc_pages;
108 int total_freed_pages;
109};
110
111struct spool_entry {
112 int id;
113 int max_pages;
114 int alloc_pages;
115};
116
117struct iwm_tx_credit {
118 spinlock_t lock;
119 int pool_nr;
120 unsigned long full_pools_map;
121 struct pool_entry pools[IWM_MACS_OUT_GROUPS];
122 struct spool_entry spools[IWM_MACS_OUT_SGROUPS];
123};
124
125struct iwm_notif {
126 struct list_head pending;
127 u32 cmd_id;
128 void *cmd;
129 u8 src;
130 void *buf;
131 unsigned long buf_size;
132};
133
134struct iwm_tid_info {
135 __le16 last_seq_num;
136 bool stopped;
137 struct mutex mutex;
138};
139
140struct iwm_sta_info {
141 u8 addr[ETH_ALEN];
142 bool valid;
143 bool qos;
144 u8 color;
145 struct iwm_tid_info tid_info[IWM_UMAC_TID_NR];
146};
147
148struct iwm_tx_info {
149 u8 sta;
150 u8 color;
151 u8 tid;
152};
153
154struct iwm_rx_info {
155 unsigned long rx_size;
156 unsigned long rx_buf_size;
157};
158
159#define IWM_NUM_KEYS 4
160
161struct iwm_umac_key_hdr {
162 u8 mac[ETH_ALEN];
163 u8 key_idx;
164 u8 multicast;
165} __packed;
166
167struct iwm_key {
168 struct iwm_umac_key_hdr hdr;
169 u32 cipher;
170 u8 key[WLAN_MAX_KEY_LEN];
171 u8 seq[IW_ENCODE_SEQ_MAX_SIZE];
172 int key_len;
173 int seq_len;
174};
175
176#define IWM_RX_ID_HASH 0xff
177#define IWM_RX_ID_GET_HASH(id) ((id) % IWM_RX_ID_HASH)
178
179#define IWM_STA_TABLE_NUM 16
180#define IWM_TX_LIST_SIZE 64
181#define IWM_RX_LIST_SIZE 256
182
183#define IWM_SCAN_ID_MAX 0xff
184
185#define IWM_STATUS_READY 0
186#define IWM_STATUS_SCANNING 1
187#define IWM_STATUS_SCAN_ABORTING 2
188#define IWM_STATUS_SME_CONNECTING 3
189#define IWM_STATUS_ASSOCIATED 4
190#define IWM_STATUS_RESETTING 5
191
192struct iwm_tx_queue {
193 int id;
194 struct sk_buff_head queue;
195 struct sk_buff_head stopped_queue;
196 spinlock_t lock;
197 struct workqueue_struct *wq;
198 struct work_struct worker;
199 u8 concat_buf[IWM_HAL_CONCATENATE_BUF_SIZE];
200 int concat_count;
201 u8 *concat_ptr;
202};
203
204
205#define IWM_TX_QUEUES 5
206#define IWM_TX_DATA_QUEUES 4
207#define IWM_TX_CMD_QUEUE 4
208
209struct iwm_bss_info {
210 struct list_head node;
211 struct cfg80211_bss *cfg_bss;
212 struct iwm_umac_notif_bss_info *bss;
213};
214
215typedef int (*iwm_handler)(struct iwm_priv *priv, u8 *buf,
216 unsigned long buf_size, struct iwm_wifi_cmd *cmd);
217
218#define IWM_WATCHDOG_PERIOD (6 * HZ)
219
220struct iwm_priv {
221 struct wireless_dev *wdev;
222 struct iwm_if_ops *bus_ops;
223
224 struct iwm_conf conf;
225
226 unsigned long status;
227
228 struct list_head pending_notif;
229 wait_queue_head_t notif_queue;
230
231 wait_queue_head_t nonwifi_queue;
232
233 unsigned long calib_done_map;
234 struct {
235 u8 *buf;
236 u32 size;
237 } calib_res[CALIBRATION_CMD_NUM];
238
239 struct iwm_umac_profile *umac_profile;
240 bool umac_profile_active;
241
242 u8 bssid[ETH_ALEN];
243 u8 channel;
244 u16 rate;
245 u32 txpower;
246
247 struct iwm_sta_info sta_table[IWM_STA_TABLE_NUM];
248 struct list_head bss_list;
249
250 void (*nonwifi_rx_handlers[UMAC_HDI_IN_OPCODE_NONWIFI_MAX])
251 (struct iwm_priv *priv, u8 *buf, unsigned long buf_size);
252
253 const iwm_handler *umac_handlers;
254 const iwm_handler *lmac_handlers;
255 DECLARE_BITMAP(lmac_handler_map, LMAC_COMMAND_ID_NUM);
256 DECLARE_BITMAP(umac_handler_map, LMAC_COMMAND_ID_NUM);
257 DECLARE_BITMAP(udma_handler_map, LMAC_COMMAND_ID_NUM);
258
259 struct list_head wifi_pending_cmd;
260 struct list_head nonwifi_pending_cmd;
261 u16 wifi_seq_num;
262 u8 nonwifi_seq_num;
263 spinlock_t cmd_lock;
264
265 u32 core_enabled;
266
267 u8 scan_id;
268 struct cfg80211_scan_request *scan_request;
269
270 struct sk_buff_head rx_list;
271 struct list_head rx_tickets;
272 spinlock_t ticket_lock;
273 struct list_head rx_packets[IWM_RX_ID_HASH];
274 spinlock_t packet_lock[IWM_RX_ID_HASH];
275 struct workqueue_struct *rx_wq;
276 struct work_struct rx_worker;
277
278 struct iwm_tx_credit tx_credit;
279 struct iwm_tx_queue txq[IWM_TX_QUEUES];
280
281 struct iwm_key keys[IWM_NUM_KEYS];
282 s8 default_key;
283
284 DECLARE_BITMAP(wifi_ntfy, WIFI_IF_NTFY_MAX);
285 wait_queue_head_t wifi_ntfy_queue;
286
287 wait_queue_head_t mlme_queue;
288
289 struct iw_statistics wstats;
290 struct delayed_work stats_request;
291 struct delayed_work disconnect;
292 struct delayed_work ct_kill_delay;
293
294 struct iwm_debugfs dbg;
295
296 u8 *eeprom;
297 struct timer_list watchdog;
298 struct work_struct reset_worker;
299 struct work_struct auth_retry_worker;
300 struct mutex mutex;
301
302 u8 *req_ie;
303 int req_ie_len;
304 u8 *resp_ie;
305 int resp_ie_len;
306
307 struct iwm_fw_error_hdr *last_fw_err;
308 char umac_version[8];
309 char lmac_version[8];
310
311 char private[0] __attribute__((__aligned__(NETDEV_ALIGN)));
312};
313
314static inline void *iwm_private(struct iwm_priv *iwm)
315{
316 BUG_ON(!iwm);
317 return &iwm->private;
318}
319
320#define hw_to_iwm(h) (h->iwm)
321#define iwm_to_dev(i) (wiphy_dev(i->wdev->wiphy))
322#define iwm_to_wiphy(i) (i->wdev->wiphy)
323#define wiphy_to_iwm(w) (struct iwm_priv *)(wiphy_priv(w))
324#define iwm_to_wdev(i) (i->wdev)
325#define wdev_to_iwm(w) (struct iwm_priv *)(wdev_priv(w))
326#define iwm_to_ndev(i) (i->wdev->netdev)
327#define ndev_to_iwm(n) (wdev_to_iwm(n->ieee80211_ptr))
328#define skb_to_rx_info(s) ((struct iwm_rx_info *)(s->cb))
329#define skb_to_tx_info(s) ((struct iwm_tx_info *)s->cb)
330
331void *iwm_if_alloc(int sizeof_bus, struct device *dev,
332 struct iwm_if_ops *if_ops);
333void iwm_if_free(struct iwm_priv *iwm);
334int iwm_if_add(struct iwm_priv *iwm);
335void iwm_if_remove(struct iwm_priv *iwm);
336int iwm_mode_to_nl80211_iftype(int mode);
337int iwm_priv_init(struct iwm_priv *iwm);
338void iwm_priv_deinit(struct iwm_priv *iwm);
339void iwm_reset(struct iwm_priv *iwm);
340void iwm_resetting(struct iwm_priv *iwm);
341void iwm_tx_credit_init_pools(struct iwm_priv *iwm,
342 struct iwm_umac_notif_alive *alive);
343int iwm_tx_credit_alloc(struct iwm_priv *iwm, int id, int nb);
344int iwm_notif_send(struct iwm_priv *iwm, struct iwm_wifi_cmd *cmd,
345 u8 cmd_id, u8 source, u8 *buf, unsigned long buf_size);
346int iwm_notif_handle(struct iwm_priv *iwm, u32 cmd, u8 source, long timeout);
347void iwm_init_default_profile(struct iwm_priv *iwm,
348 struct iwm_umac_profile *profile);
349void iwm_link_on(struct iwm_priv *iwm);
350void iwm_link_off(struct iwm_priv *iwm);
351int iwm_up(struct iwm_priv *iwm);
352int iwm_down(struct iwm_priv *iwm);
353
354
355int iwm_tid_to_queue(u16 tid);
356void iwm_tx_credit_inc(struct iwm_priv *iwm, int id, int total_freed_pages);
357void iwm_tx_worker(struct work_struct *work);
358int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
359
360
361void iwm_rx_setup_handlers(struct iwm_priv *iwm);
362int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size);
363int iwm_rx_handle_resp(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size,
364 struct iwm_wifi_cmd *cmd);
365void iwm_rx_free(struct iwm_priv *iwm);
366
367#endif
368
