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