1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved. 4 * 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. 8 * 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 12 * more details. 13 * 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 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * Intel Linux Wireless <ilw@linux.intel.com> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 *****************************************************************************/ 26/* 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. 30 */ 31 32#ifndef __iwl_3945_h__ 33#define __iwl_3945_h__ 34 35#include <linux/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <net/ieee80211_radiotap.h> 38 39/* Hardware specific file defines the PCI IDs table for that hardware module */ 40extern const struct pci_device_id iwl3945_hw_card_ids[]; 41 42#include "iwl-csr.h" 43#include "iwl-prph.h" 44#include "iwl-fh.h" 45#include "iwl-3945-hw.h" 46#include "iwl-debug.h" 47#include "iwl-power.h" 48#include "iwl-dev.h" 49#include "iwl-led.h" 50 51/* Highest firmware API version supported */ 52#define IWL3945_UCODE_API_MAX 2 53 54/* Lowest firmware API version supported */ 55#define IWL3945_UCODE_API_MIN 1 56 57#define IWL3945_FW_PRE "iwlwifi-3945-" 58#define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode" 59#define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api) 60 61/* Default noise level to report when noise measurement is not available. 62 * This may be because we're: 63 * 1) Not associated (4965, no beacon statistics being sent to driver) 64 * 2) Scanning (noise measurement does not apply to associated channel) 65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 66 * Use default noise value of -127 ... this is below the range of measurable 67 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 68 * Also, -127 works better than 0 when averaging frames with/without 69 * noise info (e.g. averaging might be done in app); measured dBm values are 70 * always negative ... using a negative value as the default keeps all 71 * averages within an s8's (used in some apps) range of negative values. */ 72#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 73 74/* Module parameters accessible from iwl-*.c */ 75extern struct iwl_mod_params iwl3945_mod_params; 76 77struct iwl3945_rate_scale_data { 78 u64 data; 79 s32 success_counter; 80 s32 success_ratio; 81 s32 counter; 82 s32 average_tpt; 83 unsigned long stamp; 84}; 85 86struct iwl3945_rs_sta { 87 spinlock_t lock; 88 struct iwl_priv *priv; 89 s32 *expected_tpt; 90 unsigned long last_partial_flush; 91 unsigned long last_flush; 92 u32 flush_time; 93 u32 last_tx_packets; 94 u32 tx_packets; 95 u8 tgg; 96 u8 flush_pending; 97 u8 start_rate; 98 struct timer_list rate_scale_flush; 99 struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945]; 100#ifdef CONFIG_MAC80211_DEBUGFS 101 struct dentry *rs_sta_dbgfs_stats_table_file; 102#endif 103 104 /* used to be in sta_info */ 105 int last_txrate_idx; 106}; 107 108 109/* 110 * The common struct MUST be first because it is shared between 111 * 3945 and agn! 112 */ 113struct iwl3945_sta_priv { 114 struct iwl_station_priv_common common; 115 struct iwl3945_rs_sta rs_sta; 116}; 117 118enum iwl3945_antenna { 119 IWL_ANTENNA_DIVERSITY, 120 IWL_ANTENNA_MAIN, 121 IWL_ANTENNA_AUX 122}; 123 124/* 125 * RTS threshold here is total size [2347] minus 4 FCS bytes 126 * Per spec: 127 * a value of 0 means RTS on all data/management packets 128 * a value > max MSDU size means no RTS 129 * else RTS for data/management frames where MPDU is larger 130 * than RTS value. 131 */ 132#define DEFAULT_RTS_THRESHOLD 2347U 133#define MIN_RTS_THRESHOLD 0U 134#define MAX_RTS_THRESHOLD 2347U 135#define MAX_MSDU_SIZE 2304U 136#define MAX_MPDU_SIZE 2346U 137#define DEFAULT_BEACON_INTERVAL 100U 138#define DEFAULT_SHORT_RETRY_LIMIT 7U 139#define DEFAULT_LONG_RETRY_LIMIT 4U 140 141#include "iwl-agn-rs.h" 142 143#define IWL_TX_FIFO_AC0 0 144#define IWL_TX_FIFO_AC1 1 145#define IWL_TX_FIFO_AC2 2 146#define IWL_TX_FIFO_AC3 3 147#define IWL_TX_FIFO_HCCA_1 5 148#define IWL_TX_FIFO_HCCA_2 6 149#define IWL_TX_FIFO_NONE 7 150 151#define IEEE80211_DATA_LEN 2304 152#define IEEE80211_4ADDR_LEN 30 153#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 154#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 155 156struct iwl3945_frame { 157 union { 158 struct ieee80211_hdr frame; 159 struct iwl3945_tx_beacon_cmd beacon; 160 u8 raw[IEEE80211_FRAME_LEN]; 161 u8 cmd[360]; 162 } u; 163 struct list_head list; 164}; 165 166#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 167#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 168#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 169 170#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 171#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 172#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 173 174#define IWL_SUPPORTED_RATES_IE_LEN 8 175 176#define SCAN_INTERVAL 100 177 178#define MAX_TID_COUNT 9 179 180#define IWL_INVALID_RATE 0xFF 181#define IWL_INVALID_VALUE -1 182 183#define STA_PS_STATUS_WAKE 0 184#define STA_PS_STATUS_SLEEP 1 185 186struct iwl3945_ibss_seq { 187 u8 mac[ETH_ALEN]; 188 u16 seq_num; 189 u16 frag_num; 190 unsigned long packet_time; 191 struct list_head list; 192}; 193 194#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\ 195 x->u.rx_frame.stats.payload + \ 196 x->u.rx_frame.stats.phy_count)) 197#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\ 198 IWL_RX_HDR(x)->payload + \ 199 le16_to_cpu(IWL_RX_HDR(x)->len))) 200#define IWL_RX_STATS(x) (&x->u.rx_frame.stats) 201#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) 202 203 204/****************************************************************************** 205 * 206 * Functions implemented in iwl-base.c which are forward declared here 207 * for use by iwl-*.c 208 * 209 *****************************************************************************/ 210extern int iwl3945_calc_db_from_ratio(int sig_ratio); 211extern void iwl3945_rx_replenish(void *data); 212extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); 213extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv, 214 struct ieee80211_hdr *hdr,int left); 215extern int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log, 216 char **buf, bool display); 217extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv); 218 219extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv); 220extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv); 221extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv); 222extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv); 223extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv); 224extern int iwl3945_hw_nic_init(struct iwl_priv *priv); 225extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv); 226extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv); 227extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv); 228extern int iwl3945_hw_nic_reset(struct iwl_priv *priv); 229extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, 230 struct iwl_tx_queue *txq, 231 dma_addr_t addr, u16 len, 232 u8 reset, u8 pad); 233extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, 234 struct iwl_tx_queue *txq); 235extern int iwl3945_hw_get_temperature(struct iwl_priv *priv); 236extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv, 237 struct iwl_tx_queue *txq); 238extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv, 239 struct iwl3945_frame *frame, u8 rate); 240void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, 241 struct iwl_device_cmd *cmd, 242 struct ieee80211_tx_info *info, 243 struct ieee80211_hdr *hdr, 244 int sta_id, int tx_id); 245extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv); 246extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); 247extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv, 248 struct iwl_rx_mem_buffer *rxb); 249void iwl3945_reply_statistics(struct iwl_priv *priv, 250 struct iwl_rx_mem_buffer *rxb); 251extern void iwl3945_disable_events(struct iwl_priv *priv); 252extern int iwl4965_get_temperature(const struct iwl_priv *priv); 253extern void iwl3945_post_associate(struct iwl_priv *priv, 254 struct ieee80211_vif *vif); 255extern void iwl3945_config_ap(struct iwl_priv *priv, 256 struct ieee80211_vif *vif); 257 258/** 259 * iwl3945_hw_find_station - Find station id for a given BSSID 260 * @bssid: MAC address of station ID to find 261 * 262 * NOTE: This should not be hardware specific but the code has 263 * not yet been merged into a single common layer for managing the 264 * station tables. 265 */ 266extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid); 267 268/* 269 * Forward declare iwl-3945.c functions for iwl-base.c 270 */ 271extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv); 272extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv); 273extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv); 274extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv); 275 276extern const struct iwl_channel_info *iwl3945_get_channel_info( 277 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); 278 279extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate); 280 281/* scanning */ 282void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif); 283 284/* Requires full declaration of iwl_priv before including */ 285#include "iwl-io.h" 286 287#endif 288