/****************************************************************************** * * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * The full GNU General Public License is included in this distribution in the * file called LICENSE. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ /* * Please use this file (iwl-3945.h) for driver implementation definitions. * Please use iwl-3945-commands.h for uCode API definitions. * Please use iwl-3945-hw.h for hardware-related definitions. */ #ifndef __iwl_3945_h__ #define __iwl_3945_h__ #include /* for struct pci_device_id */ #include #include /* Hardware specific file defines the PCI IDs table for that hardware module */ extern const struct pci_device_id iwl3945_hw_card_ids[]; #include "iwl-csr.h" #include "iwl-prph.h" #include "iwl-fh.h" #include "iwl-3945-hw.h" #include "iwl-debug.h" #include "iwl-power.h" #include "iwl-dev.h" #include "iwl-led.h" /* Highest firmware API version supported */ #define IWL3945_UCODE_API_MAX 2 /* Lowest firmware API version supported */ #define IWL3945_UCODE_API_MIN 1 #define IWL3945_FW_PRE "iwlwifi-3945-" #define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode" #define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api) /* Default noise level to report when noise measurement is not available. * This may be because we're: * 1) Not associated (4965, no beacon statistics being sent to driver) * 2) Scanning (noise measurement does not apply to associated channel) * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) * Use default noise value of -127 ... this is below the range of measurable * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. * Also, -127 works better than 0 when averaging frames with/without * noise info (e.g. averaging might be done in app); measured dBm values are * always negative ... using a negative value as the default keeps all * averages within an s8's (used in some apps) range of negative values. */ #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) /* Module parameters accessible from iwl-*.c */ extern struct iwl_mod_params iwl3945_mod_params; struct iwl3945_rate_scale_data { u64 data; s32 success_counter; s32 success_ratio; s32 counter; s32 average_tpt; unsigned long stamp; }; struct iwl3945_rs_sta { spinlock_t lock; struct iwl_priv *priv; s32 *expected_tpt; unsigned long last_partial_flush; unsigned long last_flush; u32 flush_time; u32 last_tx_packets; u32 tx_packets; u8 tgg; u8 flush_pending; u8 start_rate; struct timer_list rate_scale_flush; struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945]; #ifdef CONFIG_MAC80211_DEBUGFS struct dentry *rs_sta_dbgfs_stats_table_file; #endif /* used to be in sta_info */ int last_txrate_idx; }; /* * The common struct MUST be first because it is shared between * 3945 and 4965! */ struct iwl3945_sta_priv { struct iwl_station_priv_common common; struct iwl3945_rs_sta rs_sta; }; enum iwl3945_antenna { IWL_ANTENNA_DIVERSITY, IWL_ANTENNA_MAIN, IWL_ANTENNA_AUX }; /* * RTS threshold here is total size [2347] minus 4 FCS bytes * Per spec: * a value of 0 means RTS on all data/management packets * a value > max MSDU size means no RTS * else RTS for data/management frames where MPDU is larger * than RTS value. */ #define DEFAULT_RTS_THRESHOLD 2347U #define MIN_RTS_THRESHOLD 0U #define MAX_RTS_THRESHOLD 2347U #define MAX_MSDU_SIZE 2304U #define MAX_MPDU_SIZE 2346U #define DEFAULT_BEACON_INTERVAL 100U #define DEFAULT_SHORT_RETRY_LIMIT 7U #define DEFAULT_LONG_RETRY_LIMIT 4U #define IWL_TX_FIFO_AC0 0 #define IWL_TX_FIFO_AC1 1 #define IWL_TX_FIFO_AC2 2 #define IWL_TX_FIFO_AC3 3 #define IWL_TX_FIFO_HCCA_1 5 #define IWL_TX_FIFO_HCCA_2 6 #define IWL_TX_FIFO_NONE 7 #define IEEE80211_DATA_LEN 2304 #define IEEE80211_4ADDR_LEN 30 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) struct iwl3945_frame { union { struct ieee80211_hdr frame; struct iwl3945_tx_beacon_cmd beacon; u8 raw[IEEE80211_FRAME_LEN]; u8 cmd[360]; } u; struct list_head list; }; #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 #define IWL_SUPPORTED_RATES_IE_LEN 8 #define SCAN_INTERVAL 100 #define MAX_TID_COUNT 9 #define IWL_INVALID_RATE 0xFF #define IWL_INVALID_VALUE -1 #define STA_PS_STATUS_WAKE 0 #define STA_PS_STATUS_SLEEP 1 struct iwl3945_ibss_seq { u8 mac[ETH_ALEN]; u16 seq_num; u16 frag_num; unsigned long packet_time; struct list_head list; }; #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\ x->u.rx_frame.stats.payload + \ x->u.rx_frame.stats.phy_count)) #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\ IWL_RX_HDR(x)->payload + \ le16_to_cpu(IWL_RX_HDR(x)->len))) #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) /****************************************************************************** * * Functions implemented in iwl3945-base.c which are forward declared here * for use by iwl-*.c * *****************************************************************************/ extern int iwl3945_calc_db_from_ratio(int sig_ratio); extern void iwl3945_rx_replenish(void *data); extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv, struct ieee80211_hdr *hdr, int left); extern int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log, char **buf, bool display); extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv); /****************************************************************************** * * Functions implemented in iwl-[34]*.c which are forward declared here * for use by iwl3945-base.c * * NOTE: The implementation of these functions are hardware specific * which is why they are in the hardware specific files (vs. iwl-base.c) * * Naming convention -- * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_) * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) * iwl3945_bg_ <-- Called from work queue context * iwl3945_mac_ <-- mac80211 callback * ****************************************************************************/ extern void iwl3945_hw_rx_handler_setup(struct iwl_priv *priv); extern void iwl3945_hw_setup_deferred_work(struct iwl_priv *priv); extern void iwl3945_hw_cancel_deferred_work(struct iwl_priv *priv); extern int iwl3945_hw_rxq_stop(struct iwl_priv *priv); extern int iwl3945_hw_set_hw_params(struct iwl_priv *priv); extern int iwl3945_hw_nic_init(struct iwl_priv *priv); extern int iwl3945_hw_nic_stop_master(struct iwl_priv *priv); extern void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv); extern void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv); extern int iwl3945_hw_nic_reset(struct iwl_priv *priv); extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq, dma_addr_t addr, u16 len, u8 reset, u8 pad); extern void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq); extern int iwl3945_hw_get_temperature(struct iwl_priv *priv); extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq); extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv, struct iwl3945_frame *frame, u8 rate); void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, struct iwl_device_cmd *cmd, struct ieee80211_tx_info *info, struct ieee80211_hdr *hdr, int sta_id, int tx_id); extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv); extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); void iwl3945_reply_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); extern void iwl3945_disable_events(struct iwl_priv *priv); extern int iwl4965_get_temperature(const struct iwl_priv *priv); extern void iwl3945_post_associate(struct iwl_priv *priv); extern void iwl3945_config_ap(struct iwl_priv *priv); extern int iwl3945_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); /** * iwl3945_hw_find_station - Find station id for a given BSSID * @bssid: MAC address of station ID to find * * NOTE: This should not be hardware specific but the code has * not yet been merged into a single common layer for managing the * station tables. */ extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid); extern struct ieee80211_ops iwl3945_hw_ops; /* * Forward declare iwl-3945.c functions for iwl3945-base.c */ extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv); extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv); extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv); extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv); extern const struct iwl_channel_info *iwl3945_get_channel_info( const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate); /* scanning */ int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif); void iwl3945_post_scan(struct iwl_priv *priv); /* rates */ extern const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945]; /* Requires full declaration of iwl_priv before including */ #include "iwl-io.h" #endif