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 struct iwm_fw_error_hdr *last_fw_err;
294 char private[0] __attribute__((__aligned__(NETDEV_ALIGN)));
297 static inline void *iwm_private(struct iwm_priv *iwm)
300 return &iwm->private;
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)
314 void *iwm_if_alloc(int sizeof_bus, struct device *dev,
315 struct iwm_if_ops *if_ops);
316 void iwm_if_free(struct iwm_priv *iwm);
317 int iwm_if_add(struct iwm_priv *iwm);
318 void iwm_if_remove(struct iwm_priv *iwm);
319 int iwm_mode_to_nl80211_iftype(int mode);
320 int iwm_priv_init(struct iwm_priv *iwm);
321 void iwm_priv_deinit(struct iwm_priv *iwm);
322 void iwm_reset(struct iwm_priv *iwm);
323 void iwm_resetting(struct iwm_priv *iwm);
324 void iwm_tx_credit_init_pools(struct iwm_priv *iwm,
325 struct iwm_umac_notif_alive *alive);
326 int iwm_tx_credit_alloc(struct iwm_priv *iwm, int id, int nb);
327 int iwm_notif_send(struct iwm_priv *iwm, struct iwm_wifi_cmd *cmd,
328 u8 cmd_id, u8 source, u8 *buf, unsigned long buf_size);
329 int iwm_notif_handle(struct iwm_priv *iwm, u32 cmd, u8 source, long timeout);
330 void iwm_init_default_profile(struct iwm_priv *iwm,
331 struct iwm_umac_profile *profile);
332 void iwm_link_on(struct iwm_priv *iwm);
333 void iwm_link_off(struct iwm_priv *iwm);
334 int iwm_up(struct iwm_priv *iwm);
335 int iwm_down(struct iwm_priv *iwm);
338 void iwm_tx_credit_inc(struct iwm_priv *iwm, int id, int total_freed_pages);
339 void iwm_tx_worker(struct work_struct *work);
340 int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
343 void iwm_rx_setup_handlers(struct iwm_priv *iwm);
344 int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size);
345 int iwm_rx_handle_resp(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size,
346 struct iwm_wifi_cmd *cmd);
347 void iwm_rx_free(struct iwm_priv *iwm);