2 * Intel Wireless Multicomm 3200 WiFi driver
4 * Copyright (C) 2009 Intel Corporation. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Intel Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * Intel Corporation <ilw@linux.intel.com>
34 * Samuel Ortiz <samuel.ortiz@intel.com>
35 * Zhu Yi <yi.zhu@intel.com>
42 #include <linux/netdevice.h>
43 #include <linux/wireless.h>
44 #include <net/cfg80211.h>
52 #define IWM_COPYRIGHT "Copyright(c) 2009 Intel Corporation"
53 #define IWM_AUTHOR "<ilw@linux.intel.com>"
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
60 #define IWM_POWER_INDEX_MIN 0
61 #define IWM_POWER_INDEX_MAX 5
62 #define IWM_POWER_INDEX_DEFAULT 3
66 unsigned long calib_map
;
67 unsigned long expected_calib_map
;
68 bool reset_on_fatal_err
;
70 bool wimax_not_present
;
87 u8 mac_addr
[ETH_ALEN
];
101 int id
; /* group id */
102 int sid
; /* super group id */
103 int min_pages
; /* min capacity in pages */
104 int max_pages
; /* max capacity in pages */
105 int alloc_pages
; /* allocated # of pages. incresed by driver */
106 int total_freed_pages
; /* total freed # of pages. incresed by UMAC */
115 struct iwm_tx_credit
{
118 unsigned long full_pools_map
; /* bitmap for # of filled tx pools */
119 struct pool_entry pools
[IWM_MACS_OUT_GROUPS
];
120 struct spool_entry spools
[IWM_MACS_OUT_SGROUPS
];
124 struct list_head pending
;
129 unsigned long buf_size
;
132 struct iwm_sta_info
{
146 unsigned long rx_size
;
147 unsigned long rx_buf_size
;
150 #define IWM_NUM_KEYS 4
152 struct iwm_umac_key_hdr
{
155 u8 multicast
; /* BCast encrypt & BCast decrypt of frames FROM mac */
156 } __attribute__ ((packed
));
159 struct iwm_umac_key_hdr hdr
;
161 u8 key
[WLAN_MAX_KEY_LEN
];
162 u8 seq
[IW_ENCODE_SEQ_MAX_SIZE
];
167 #define IWM_RX_ID_HASH 0xff
168 #define IWM_RX_ID_GET_HASH(id) ((id) % IWM_RX_ID_HASH)
170 #define IWM_STA_TABLE_NUM 16
171 #define IWM_TX_LIST_SIZE 64
172 #define IWM_RX_LIST_SIZE 256
174 #define IWM_SCAN_ID_MAX 0xff
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
183 struct iwm_tx_queue
{
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
];
193 /* Queues 0 ~ 3 for AC data, 5 for iPAN */
194 #define IWM_TX_QUEUES 5
195 #define IWM_TX_DATA_QUEUES 4
196 #define IWM_TX_CMD_QUEUE 4
198 struct iwm_bss_info
{
199 struct list_head node
;
200 struct cfg80211_bss
*cfg_bss
;
201 struct iwm_umac_notif_bss_info
*bss
;
204 typedef int (*iwm_handler
)(struct iwm_priv
*priv
, u8
*buf
,
205 unsigned long buf_size
, struct iwm_wifi_cmd
*cmd
);
207 #define IWM_WATCHDOG_PERIOD (6 * HZ)
210 struct wireless_dev
*wdev
;
211 struct iwm_if_ops
*bus_ops
;
213 struct iwm_conf conf
;
215 unsigned long status
;
217 struct list_head pending_notif
;
218 wait_queue_head_t notif_queue
;
220 wait_queue_head_t nonwifi_queue
;
222 unsigned long calib_done_map
;
226 } calib_res
[CALIBRATION_CMD_NUM
];
228 struct iwm_umac_profile
*umac_profile
;
229 bool umac_profile_active
;
236 struct iwm_sta_info sta_table
[IWM_STA_TABLE_NUM
];
237 struct list_head bss_list
;
239 void (*nonwifi_rx_handlers
[UMAC_HDI_IN_OPCODE_NONWIFI_MAX
])
240 (struct iwm_priv
*priv
, u8
*buf
, unsigned long buf_size
);
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
);
248 struct list_head wifi_pending_cmd
;
249 struct list_head nonwifi_pending_cmd
;
257 struct cfg80211_scan_request
*scan_request
;
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
;
265 struct iwm_tx_credit tx_credit
;
266 struct iwm_tx_queue txq
[IWM_TX_QUEUES
];
268 struct iwm_key keys
[IWM_NUM_KEYS
];
271 DECLARE_BITMAP(wifi_ntfy
, WIFI_IF_NTFY_MAX
);
272 wait_queue_head_t wifi_ntfy_queue
;
274 wait_queue_head_t mlme_queue
;
276 struct iw_statistics wstats
;
277 struct delayed_work stats_request
;
278 struct delayed_work disconnect
;
280 struct iwm_debugfs dbg
;
283 struct timer_list watchdog
;
284 struct work_struct reset_worker
;
292 char private[0] __attribute__((__aligned__(NETDEV_ALIGN
)));
295 static inline void *iwm_private(struct iwm_priv
*iwm
)
298 return &iwm
->private;
301 #define hw_to_iwm(h) (h->iwm)
302 #define iwm_to_dev(i) (wiphy_dev(i->wdev->wiphy))
303 #define iwm_to_wiphy(i) (i->wdev->wiphy)
304 #define wiphy_to_iwm(w) (struct iwm_priv *)(wiphy_priv(w))
305 #define iwm_to_wdev(i) (i->wdev)
306 #define wdev_to_iwm(w) (struct iwm_priv *)(wdev_priv(w))
307 #define iwm_to_ndev(i) (i->wdev->netdev)
308 #define ndev_to_iwm(n) (wdev_to_iwm(n->ieee80211_ptr))
309 #define skb_to_rx_info(s) ((struct iwm_rx_info *)(s->cb))
310 #define skb_to_tx_info(s) ((struct iwm_tx_info *)s->cb)
312 void *iwm_if_alloc(int sizeof_bus
, struct device
*dev
,
313 struct iwm_if_ops
*if_ops
);
314 void iwm_if_free(struct iwm_priv
*iwm
);
315 int iwm_if_add(struct iwm_priv
*iwm
);
316 void iwm_if_remove(struct iwm_priv
*iwm
);
317 int iwm_mode_to_nl80211_iftype(int mode
);
318 int iwm_priv_init(struct iwm_priv
*iwm
);
319 void iwm_priv_deinit(struct iwm_priv
*iwm
);
320 void iwm_reset(struct iwm_priv
*iwm
);
321 void iwm_resetting(struct iwm_priv
*iwm
);
322 void iwm_tx_credit_init_pools(struct iwm_priv
*iwm
,
323 struct iwm_umac_notif_alive
*alive
);
324 int iwm_tx_credit_alloc(struct iwm_priv
*iwm
, int id
, int nb
);
325 int iwm_notif_send(struct iwm_priv
*iwm
, struct iwm_wifi_cmd
*cmd
,
326 u8 cmd_id
, u8 source
, u8
*buf
, unsigned long buf_size
);
327 int iwm_notif_handle(struct iwm_priv
*iwm
, u32 cmd
, u8 source
, long timeout
);
328 void iwm_init_default_profile(struct iwm_priv
*iwm
,
329 struct iwm_umac_profile
*profile
);
330 void iwm_link_on(struct iwm_priv
*iwm
);
331 void iwm_link_off(struct iwm_priv
*iwm
);
332 int iwm_up(struct iwm_priv
*iwm
);
333 int iwm_down(struct iwm_priv
*iwm
);
336 void iwm_tx_credit_inc(struct iwm_priv
*iwm
, int id
, int total_freed_pages
);
337 void iwm_tx_worker(struct work_struct
*work
);
338 int iwm_xmit_frame(struct sk_buff
*skb
, struct net_device
*netdev
);
341 void iwm_rx_setup_handlers(struct iwm_priv
*iwm
);
342 int iwm_rx_handle(struct iwm_priv
*iwm
, u8
*buf
, unsigned long buf_size
);
343 int iwm_rx_handle_resp(struct iwm_priv
*iwm
, u8
*buf
, unsigned long buf_size
,
344 struct iwm_wifi_cmd
*cmd
);
345 void iwm_rx_free(struct iwm_priv
*iwm
);