1 /******************************************************************************
3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
27 * Please use this file (iwl-3945.h) for driver implementation definitions.
28 * Please use iwl-3945-commands.h for uCode API definitions.
29 * Please use iwl-3945-hw.h for hardware-related definitions.
32 #ifndef __iwl_3945_h__
33 #define __iwl_3945_h__
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
40 #include <linux/rfkill.h>
41 #include <linux/input.h>
43 /* Hardware specific file defines the PCI IDs table for that hardware module */
44 extern struct pci_device_id iwl3945_hw_card_ids[];
49 #include "iwl-3945-hw.h"
50 #include "iwl-debug.h"
51 #include "iwl-power.h"
53 #include "iwl-3945-led.h"
55 /* Highest firmware API version supported */
56 #define IWL3945_UCODE_API_MAX 2
58 /* Lowest firmware API version supported */
59 #define IWL3945_UCODE_API_MIN 1
61 #define IWL3945_FW_PRE "iwlwifi-3945-"
62 #define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode"
63 #define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api)
65 /* Default noise level to report when noise measurement is not available.
66 * This may be because we're:
67 * 1) Not associated (4965, no beacon statistics being sent to driver)
68 * 2) Scanning (noise measurement does not apply to associated channel)
69 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
70 * Use default noise value of -127 ... this is below the range of measurable
71 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
72 * Also, -127 works better than 0 when averaging frames with/without
73 * noise info (e.g. averaging might be done in app); measured dBm values are
74 * always negative ... using a negative value as the default keeps all
75 * averages within an s8's (used in some apps) range of negative values. */
76 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
78 /* Module parameters accessible from iwl-*.c */
79 extern struct iwl_mod_params iwl3945_mod_params;
81 struct iwl3945_sta_priv {
82 struct iwl3945_rs_sta *rs_sta;
85 enum iwl3945_antenna {
86 IWL_ANTENNA_DIVERSITY,
92 * RTS threshold here is total size [2347] minus 4 FCS bytes
94 * a value of 0 means RTS on all data/management packets
95 * a value > max MSDU size means no RTS
96 * else RTS for data/management frames where MPDU is larger
99 #define IWL_RX_BUF_SIZE 3000U
100 #define DEFAULT_RTS_THRESHOLD 2347U
101 #define MIN_RTS_THRESHOLD 0U
102 #define MAX_RTS_THRESHOLD 2347U
103 #define MAX_MSDU_SIZE 2304U
104 #define MAX_MPDU_SIZE 2346U
105 #define DEFAULT_BEACON_INTERVAL 100U
106 #define DEFAULT_SHORT_RETRY_LIMIT 7U
107 #define DEFAULT_LONG_RETRY_LIMIT 4U
109 #include "iwl-agn-rs.h"
111 #define IWL_TX_FIFO_AC0 0
112 #define IWL_TX_FIFO_AC1 1
113 #define IWL_TX_FIFO_AC2 2
114 #define IWL_TX_FIFO_AC3 3
115 #define IWL_TX_FIFO_HCCA_1 5
116 #define IWL_TX_FIFO_HCCA_2 6
117 #define IWL_TX_FIFO_NONE 7
119 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
120 #define IWL_MIN_NUM_QUEUES 4
122 #define IEEE80211_DATA_LEN 2304
123 #define IEEE80211_4ADDR_LEN 30
124 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
125 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
127 struct iwl3945_frame {
129 struct ieee80211_hdr frame;
130 struct iwl3945_tx_beacon_cmd beacon;
131 u8 raw[IEEE80211_FRAME_LEN];
134 struct list_head list;
137 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
138 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
139 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
142 * RX related structures and functions
144 #define RX_FREE_BUFFERS 64
145 #define RX_LOW_WATERMARK 8
147 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
148 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
149 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
151 #define IWL_SUPPORTED_RATES_IE_LEN 8
153 #define SCAN_INTERVAL 100
155 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
156 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
157 #define STATUS_INT_ENABLED 2
158 #define STATUS_RF_KILL_HW 3
159 #define STATUS_RF_KILL_SW 4
160 #define STATUS_INIT 5
161 #define STATUS_ALIVE 6
162 #define STATUS_READY 7
163 #define STATUS_TEMPERATURE 8
164 #define STATUS_GEO_CONFIGURED 9
165 #define STATUS_EXIT_PENDING 10
166 #define STATUS_IN_SUSPEND 11
167 #define STATUS_STATISTICS 12
168 #define STATUS_SCANNING 13
169 #define STATUS_SCAN_ABORTING 14
170 #define STATUS_SCAN_HW 15
171 #define STATUS_POWER_PMI 16
172 #define STATUS_FW_ERROR 17
173 #define STATUS_CONF_PENDING 18
175 #define MAX_TID_COUNT 9
177 #define IWL_INVALID_RATE 0xFF
178 #define IWL_INVALID_VALUE -1
180 #define STA_PS_STATUS_WAKE 0
181 #define STA_PS_STATUS_SLEEP 1
183 struct iwl3945_ibss_seq {
187 unsigned long packet_time;
188 struct list_head list;
191 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
192 x->u.rx_frame.stats.payload + \
193 x->u.rx_frame.stats.phy_count))
194 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
195 IWL_RX_HDR(x)->payload + \
196 le16_to_cpu(IWL_RX_HDR(x)->len)))
197 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
198 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
201 /******************************************************************************
203 * Functions implemented in iwl-base.c which are forward declared here
206 *****************************************************************************/
207 struct iwl3945_addsta_cmd;
208 extern int iwl3945_send_add_station(struct iwl_priv *priv,
209 struct iwl3945_addsta_cmd *sta, u8 flags);
210 extern u8 iwl3945_add_station(struct iwl_priv *priv, const u8 *bssid,
211 int is_ap, u8 flags);
212 extern int iwl3945_power_init_handle(struct iwl_priv *priv);
213 extern int iwl3945_eeprom_init(struct iwl_priv *priv);
214 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
215 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
216 extern int iwl3945_tx_queue_init(struct iwl_priv *priv,
217 struct iwl_tx_queue *txq, int count, u32 id);
218 extern void iwl3945_rx_replenish(void *data);
219 extern void iwl3945_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
220 extern int iwl3945_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
222 extern int __must_check iwl3945_send_cmd(struct iwl_priv *priv,
223 struct iwl_host_cmd *cmd);
224 extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
225 struct ieee80211_hdr *hdr,int left);
226 extern int iwl3945_send_statistics_request(struct iwl_priv *priv);
227 extern void iwl3945_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
229 struct ieee80211_rx_status *stats);
232 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
233 * call this... todo... fix that.
235 extern u8 iwl3945_sync_station(struct iwl_priv *priv, int sta_id,
236 u16 tx_rate, u8 flags);
238 /******************************************************************************
240 * Functions implemented in iwl-[34]*.c which are forward declared here
241 * for use by iwl-base.c
243 * NOTE: The implementation of these functions are hardware specific
244 * which is why they are in the hardware specific files (vs. iwl-base.c)
246 * Naming convention --
247 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
248 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
249 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
250 * iwl3945_bg_ <-- Called from work queue context
251 * iwl3945_mac_ <-- mac80211 callback
253 ****************************************************************************/
254 extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv);
255 extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv);
256 extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv);
257 extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv);
258 extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv);
259 extern int iwl3945_hw_nic_init(struct iwl_priv *priv);
260 extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv);
261 extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv);
262 extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv);
263 extern int iwl3945_hw_nic_reset(struct iwl_priv *priv);
264 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
265 dma_addr_t addr, u16 len);
266 extern int iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
267 extern int iwl3945_hw_get_temperature(struct iwl_priv *priv);
268 extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv,
269 struct iwl_tx_queue *txq);
270 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
271 struct iwl3945_frame *frame, u8 rate);
272 void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, struct iwl_cmd *cmd,
273 struct ieee80211_tx_info *info,
274 struct ieee80211_hdr *hdr,
275 int sta_id, int tx_id);
276 extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
277 extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
278 extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
279 struct iwl_rx_mem_buffer *rxb);
280 extern void iwl3945_disable_events(struct iwl_priv *priv);
281 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
284 * iwl3945_hw_find_station - Find station id for a given BSSID
285 * @bssid: MAC address of station ID to find
287 * NOTE: This should not be hardware specific but the code has
288 * not yet been merged into a single common layer for managing the
291 extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
293 extern int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel);
296 * Forward declare iwl-3945.c functions for iwl-base.c
298 extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv);
299 extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv);
300 extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv);
301 extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv);
302 extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
303 u16 tx_rate, u8 flags);
305 #ifdef CONFIG_IWL3945_RFKILL
308 void iwl3945_rfkill_set_hw_state(struct iwl_priv *priv);
309 void iwl3945_rfkill_unregister(struct iwl_priv *priv);
310 int iwl3945_rfkill_init(struct iwl_priv *priv);
312 static inline void iwl3945_rfkill_set_hw_state(struct iwl_priv *priv) {}
313 static inline void iwl3945_rfkill_unregister(struct iwl_priv *priv) {}
314 static inline int iwl3945_rfkill_init(struct iwl_priv *priv) { return 0; }
317 static inline int iwl3945_is_associated(struct iwl_priv *priv)
319 return (priv->active39_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
322 extern const struct iwl_channel_info *iwl3945_get_channel_info(
323 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
325 extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate);
327 /* Requires full declaration of iwl_priv before including */