diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 144 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.h | 27 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 178 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-eeprom.c | 356 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-eeprom.h | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl4965-base.c | 577 |
7 files changed, 677 insertions, 623 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 2e54dae9575..8b2d04ed43d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -105,6 +105,90 @@ static const u16 default_tid_to_tx_fifo[] = { #endif /*CONFIG_IWL4965_HT */ +static int iwl4965_init_drv(struct iwl_priv *priv) +{ + int ret; + int i; + + priv->antenna = (enum iwl4965_antenna)iwl4965_mod_params.antenna; + priv->retry_rate = 1; + priv->ibss_beacon = NULL; + + spin_lock_init(&priv->lock); + spin_lock_init(&priv->power_data.lock); + spin_lock_init(&priv->sta_lock); + spin_lock_init(&priv->hcmd_lock); + spin_lock_init(&priv->lq_mngr.lock); + + for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) + INIT_LIST_HEAD(&priv->ibss_mac_hash[i]); + + INIT_LIST_HEAD(&priv->free_frames); + + mutex_init(&priv->mutex); + + /* Clear the driver's (not device's) station table */ + iwlcore_clear_stations_table(priv); + + priv->data_retry_limit = -1; + priv->ieee_channels = NULL; + priv->ieee_rates = NULL; + priv->band = IEEE80211_BAND_2GHZ; + + priv->iw_mode = IEEE80211_IF_TYPE_STA; + + priv->use_ant_b_for_management_frame = 1; /* start with ant B */ + priv->valid_antenna = 0x7; /* assume all 3 connected */ + priv->ps_mode = IWL_MIMO_PS_NONE; + + /* Choose which receivers/antennas to use */ + iwl4965_set_rxon_chain(priv); + + iwlcore_reset_qos(priv); + + priv->qos_data.qos_active = 0; + priv->qos_data.qos_cap.val = 0; + + iwlcore_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); + + priv->rates_mask = IWL_RATES_MASK; + /* If power management is turned on, default to AC mode */ + priv->power_mode = IWL_POWER_AC; + priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; + + ret = iwl_init_channel_map(priv); + if (ret) { + IWL_ERROR("initializing regulatory failed: %d\n", ret); + goto err; + } + + ret = iwl4965_init_geos(priv); + if (ret) { + IWL_ERROR("initializing geos failed: %d\n", ret); + goto err_free_channel_map; + } + + iwl4965_rate_control_register(priv->hw); + ret = ieee80211_register_hw(priv->hw); + if (ret) { + IWL_ERROR("Failed to register network device (error %d)\n", + ret); + goto err_free_geos; + } + + priv->hw->conf.beacon_int = 100; + priv->mac80211_registered = 1; + + return 0; + +err_free_geos: + iwl4965_free_geos(priv); +err_free_channel_map: + iwl_free_channel_map(priv); +err: + return ret; +} + static int is_fat_channel(__le32 rxon_flags) { return (rxon_flags & RXON_FLG_CHANNEL_MODE_PURE_40_MSK) || @@ -391,55 +475,6 @@ static int iwl4965_kw_alloc(struct iwl_priv *priv) return 0; } -#define CHECK_AND_PRINT(x) ((eeprom_ch->flags & EEPROM_CHANNEL_##x) \ - ? # x " " : "") - -/** - * iwl4965_set_fat_chan_info - Copy fat channel info into driver's priv. - * - * Does not set up a command, or touch hardware. - */ -int iwl4965_set_fat_chan_info(struct iwl_priv *priv, - enum ieee80211_band band, u16 channel, - const struct iwl4965_eeprom_channel *eeprom_ch, - u8 fat_extension_channel) -{ - struct iwl4965_channel_info *ch_info; - - ch_info = (struct iwl4965_channel_info *) - iwl4965_get_channel_info(priv, band, channel); - - if (!is_channel_valid(ch_info)) - return -1; - - IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x" - " %ddBm): Ad-Hoc %ssupported\n", - ch_info->channel, - is_channel_a_band(ch_info) ? - "5.2" : "2.4", - CHECK_AND_PRINT(IBSS), - CHECK_AND_PRINT(ACTIVE), - CHECK_AND_PRINT(RADAR), - CHECK_AND_PRINT(WIDE), - CHECK_AND_PRINT(NARROW), - CHECK_AND_PRINT(DFS), - eeprom_ch->flags, - eeprom_ch->max_power_avg, - ((eeprom_ch->flags & EEPROM_CHANNEL_IBSS) - && !(eeprom_ch->flags & EEPROM_CHANNEL_RADAR)) ? - "" : "not "); - - ch_info->fat_eeprom = *eeprom_ch; - ch_info->fat_max_power_avg = eeprom_ch->max_power_avg; - ch_info->fat_curr_txpow = eeprom_ch->max_power_avg; - ch_info->fat_min_power = 0; - ch_info->fat_scan_power = eeprom_ch->max_power_avg; - ch_info->fat_flags = eeprom_ch->flags; - ch_info->fat_extension_channel = fat_extension_channel; - - return 0; -} - /** * iwl4965_kw_free - Free the "keep warm" buffer */ @@ -2015,11 +2050,11 @@ static s32 iwl4965_get_voltage_compensation(s32 eeprom_voltage, return comp; } -static const struct iwl4965_channel_info * +static const struct iwl_channel_info * iwl4965_get_channel_txpower_info(struct iwl_priv *priv, enum ieee80211_band band, u16 channel) { - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; ch_info = iwl4965_get_channel_info(priv, band, channel); @@ -2438,7 +2473,7 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel, s32 txatten_grp = CALIB_CH_GROUP_MAX; int i; int c; - const struct iwl4965_channel_info *ch_info = NULL; + const struct iwl_channel_info *ch_info = NULL; struct iwl4965_eeprom_calib_ch_info ch_eeprom_info; const struct iwl4965_eeprom_calib_measure *measurement; s16 voltage; @@ -2725,7 +2760,7 @@ int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel) u8 is_fat = 0; u8 ctrl_chan_high = 0; struct iwl4965_channel_switch_cmd cmd = { 0 }; - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; band = priv->band == IEEE80211_BAND_2GHZ; @@ -4471,7 +4506,7 @@ static u8 iwl4965_is_channel_extension(struct iwl_priv *priv, enum ieee80211_band band, u16 channel, u8 extension_chan_offset) { - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; ch_info = iwl4965_get_channel_info(priv, band, channel); if (!is_channel_valid(ch_info)) @@ -4848,6 +4883,7 @@ void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv) } static struct iwl_lib_ops iwl4965_lib = { + .init_drv = iwl4965_init_drv, .eeprom_ops = { .verify_signature = iwlcore_eeprom_verify_signature, .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h index 1480e1b698a..7baed4db2f3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965.h @@ -197,7 +197,7 @@ enum { */ #define IWL4965_MAX_RATE (33) -struct iwl4965_channel_info { +struct iwl_channel_info { struct iwl4965_channel_tgd_info tgd; struct iwl4965_channel_tgh_info tgh; struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */ @@ -669,6 +669,8 @@ extern void iwl4965_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *sk u32 decrypt_res, struct ieee80211_rx_status *stats); extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr); +int iwl4965_init_geos(struct iwl_priv *priv); +void iwl4965_free_geos(struct iwl_priv *priv); extern const u8 iwl4965_broadcast_addr[ETH_ALEN]; @@ -755,11 +757,6 @@ extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); extern void iwl4965_chain_noise_reset(struct iwl_priv *priv); extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags, u8 force); -extern int iwl4965_set_fat_chan_info(struct iwl_priv *priv, - enum ieee80211_band band, - u16 channel, - const struct iwl4965_eeprom_channel *eeprom_ch, - u8 fat_extension_channel); extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, @@ -995,7 +992,7 @@ struct iwl_priv { /* we allocate array of iwl4965_channel_info for NIC's valid channels. * Access via channel # using indirect index array */ - struct iwl4965_channel_info *channel_info; /* channel info array */ + struct iwl_channel_info *channel_info; /* channel info array */ u8 channel_count; /* # of channels */ /* each calibration channel group in the EEPROM has a derived @@ -1229,44 +1226,44 @@ static inline int iwl4965_is_associated(struct iwl_priv *priv) return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; } -static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info) +static inline int is_channel_valid(const struct iwl_channel_info *ch_info) { if (ch_info == NULL) return 0; return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; } -static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info) +static inline int is_channel_narrow(const struct iwl_channel_info *ch_info) { return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0; } -static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info) +static inline int is_channel_radar(const struct iwl_channel_info *ch_info) { return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; } -static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info) +static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) { return ch_info->band == IEEE80211_BAND_5GHZ; } -static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info) +static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) { return ch_info->band == IEEE80211_BAND_2GHZ; } -static inline int is_channel_passive(const struct iwl4965_channel_info *ch) +static inline int is_channel_passive(const struct iwl_channel_info *ch) { return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; } -static inline int is_channel_ibss(const struct iwl4965_channel_info *ch) +static inline int is_channel_ibss(const struct iwl_channel_info *ch) { return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; } -extern const struct iwl4965_channel_info *iwl4965_get_channel_info( +extern const struct iwl_channel_info *iwl4965_get_channel_info( const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); /* Requires full declaration of iwl_priv before including */ diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 244318af53f..0e9c3b3d98c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -71,3 +71,181 @@ out: } EXPORT_SYMBOL(iwl_alloc_all); +/** + * iwlcore_clear_stations_table - Clear the driver's station table + * + * NOTE: This does not clear or otherwise alter the device's station table. + */ +void iwlcore_clear_stations_table(struct iwl_priv *priv) +{ + unsigned long flags; + + spin_lock_irqsave(&priv->sta_lock, flags); + + priv->num_stations = 0; + memset(priv->stations, 0, sizeof(priv->stations)); + + spin_unlock_irqrestore(&priv->sta_lock, flags); +} +EXPORT_SYMBOL(iwlcore_clear_stations_table); + +void iwlcore_reset_qos(struct iwl_priv *priv) +{ + u16 cw_min = 15; + u16 cw_max = 1023; + u8 aifs = 2; + u8 is_legacy = 0; + unsigned long flags; + int i; + + spin_lock_irqsave(&priv->lock, flags); + priv->qos_data.qos_active = 0; + + if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS) { + if (priv->qos_data.qos_enable) + priv->qos_data.qos_active = 1; + if (!(priv->active_rate & 0xfff0)) { + cw_min = 31; + is_legacy = 1; + } + } else if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { + if (priv->qos_data.qos_enable) + priv->qos_data.qos_active = 1; + } else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) { + cw_min = 31; + is_legacy = 1; + } + + if (priv->qos_data.qos_active) + aifs = 3; + + priv->qos_data.def_qos_parm.ac[0].cw_min = cpu_to_le16(cw_min); + priv->qos_data.def_qos_parm.ac[0].cw_max = cpu_to_le16(cw_max); + priv->qos_data.def_qos_parm.ac[0].aifsn = aifs; + priv->qos_data.def_qos_parm.ac[0].edca_txop = 0; + priv->qos_data.def_qos_parm.ac[0].reserved1 = 0; + + if (priv->qos_data.qos_active) { + i = 1; + priv->qos_data.def_qos_parm.ac[i].cw_min = cpu_to_le16(cw_min); + priv->qos_data.def_qos_parm.ac[i].cw_max = cpu_to_le16(cw_max); + priv->qos_data.def_qos_parm.ac[i].aifsn = 7; + priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; + priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; + + i = 2; + priv->qos_data.def_qos_parm.ac[i].cw_min = + cpu_to_le16((cw_min + 1) / 2 - 1); + priv->qos_data.def_qos_parm.ac[i].cw_max = + cpu_to_le16(cw_max); + priv->qos_data.def_qos_parm.ac[i].aifsn = 2; + if (is_legacy) + priv->qos_data.def_qos_parm.ac[i].edca_txop = + cpu_to_le16(6016); + else + priv->qos_data.def_qos_parm.ac[i].edca_txop = + cpu_to_le16(3008); + priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; + + i = 3; + priv->qos_data.def_qos_parm.ac[i].cw_min = + cpu_to_le16((cw_min + 1) / 4 - 1); + priv->qos_data.def_qos_parm.ac[i].cw_max = + cpu_to_le16((cw_max + 1) / 2 - 1); + priv->qos_data.def_qos_parm.ac[i].aifsn = 2; + priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; + if (is_legacy) + priv->qos_data.def_qos_parm.ac[i].edca_txop = + cpu_to_le16(3264); + else + priv->qos_data.def_qos_parm.ac[i].edca_txop = + cpu_to_le16(1504); + } else { + for (i = 1; i < 4; i++) { + priv->qos_data.def_qos_parm.ac[i].cw_min = + cpu_to_le16(cw_min); + priv->qos_data.def_qos_parm.ac[i].cw_max = + cpu_to_le16(cw_max); + priv->qos_data.def_qos_parm.ac[i].aifsn = aifs; + priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; + priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; + } + } + IWL_DEBUG_QOS("set QoS to default \n"); + + spin_unlock_irqrestore(&priv->lock, flags); +} +EXPORT_SYMBOL(iwlcore_reset_qos); + +/** + * iwlcore_set_rxon_channel - Set the phymode and channel values in staging RXON + * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz + * @channel: Any channel valid for the requested phymode + + * In addition to setting the staging RXON, priv->phymode is also set. + * + * NOTE: Does not commit to the hardware; it sets appropriate bit fields + * in the staging RXON flag structure based on the phymode + */ +int iwlcore_set_rxon_channel(struct iwl_priv *priv, + enum ieee80211_band band, + u16 channel) +{ + if (!iwl4965_get_channel_info(priv, band, channel)) { + IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", + channel, band); + return -EINVAL; + } + + if ((le16_to_cpu(priv->staging_rxon.channel) == channel) && + (priv->band == band)) + return 0; + + priv->staging_rxon.channel = cpu_to_le16(channel); + if (band == IEEE80211_BAND_5GHZ) + priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK; + else + priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK; + + priv->band = band; + + IWL_DEBUG_INFO("Staging channel set to %d [%d]\n", channel, band); + + return 0; +} +EXPORT_SYMBOL(iwlcore_set_rxon_channel); + +static void iwlcore_init_hw(struct iwl_priv *priv) +{ + struct ieee80211_hw *hw = priv->hw; + hw->rate_control_algorithm = "iwl-4965-rs"; + + /* Tell mac80211 and its clients (e.g. Wireless Extensions) + * the range of signal quality values that we'll provide. + * Negative values for level/noise indicate that we'll provide dBm. + * For WE, at least, non-0 values here *enable* display of values + * in app (iwconfig). */ + hw->max_rssi = -20; /* signal level, negative indicates dBm */ + hw->max_noise = -20; /* noise level, negative indicates dBm */ + hw->max_signal = 100; /* link quality indication (%) */ + + /* Tell mac80211 our Tx characteristics */ + hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE; + + /* Default value; 4 EDCA QOS priorities */ + hw->queues = 4; +#ifdef CONFIG_IWL4965_HT + /* Enhanced value; more queues, to support 11n aggregation */ + hw->queues = 16; +#endif /* CONFIG_IWL4965_HT */ +} + +int iwl_setup(struct iwl_priv *priv) +{ + int ret = 0; + iwlcore_init_hw(priv); + ret = priv->cfg->ops->lib->init_drv(priv); + return ret; +} +EXPORT_SYMBOL(iwl_setup); + diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 33bef1fecf4..4dde4d628a8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -76,6 +76,8 @@ #define IWL_SKU_N 0x8 struct iwl_lib_ops { + /* iwlwifi driver (priv) init */ + int (*init_drv)(struct iwl_priv *priv); /* eeprom operations (as defined in iwl-eeprom.h) */ struct iwl_eeprom_ops eeprom_ops; }; @@ -110,4 +112,12 @@ struct iwl_cfg { struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg, struct ieee80211_ops *hw_ops); +void iwlcore_clear_stations_table(struct iwl_priv *priv); +void iwlcore_reset_qos(struct iwl_priv *priv); +int iwlcore_set_rxon_channel(struct iwl_priv *priv, + enum ieee80211_band band, + u16 channel); + +int iwl_setup(struct iwl_priv *priv); + #endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index ccacd489ae8..32ebec35f2a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -75,6 +75,67 @@ #include "iwl-eeprom.h" #include "iwl-4965-io.h" +/************************** EEPROM BANDS **************************** + * + * The iwl_eeprom_band definitions below provide the mapping from the + * EEPROM contents to the specific channel number supported for each + * band. + * + * For example, iwl_priv->eeprom.band_3_channels[4] from the band_3 + * definition below maps to physical channel 42 in the 5.2GHz spectrum. + * The specific geography and calibration information for that channel + * is contained in the eeprom map itself. + * + * During init, we copy the eeprom information and channel map + * information into priv->channel_info_24/52 and priv->channel_map_24/52 + * + * channel_map_24/52 provides the index in the channel_info array for a + * given channel. We have to have two separate maps as there is channel + * overlap with the 2.4GHz and 5.2GHz spectrum as seen in band_1 and + * band_2 + * + * A value of 0xff stored in the channel_map indicates that the channel + * is not supported by the hardware at all. + * + * A value of 0xfe in the channel_map indicates that the channel is not + * valid for Tx with the current hardware. This means that + * while the system can tune and receive on a given channel, it may not + * be able to associate or transmit any frames on that + * channel. There is no corresponding channel information for that + * entry. + * + *********************************************************************/ + +/* 2.4 GHz */ +const u8 iwl_eeprom_band_1[14] = { + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 +}; + +/* 5.2 GHz bands */ +static const u8 iwl_eeprom_band_2[] = { /* 4915-5080MHz */ + 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 +}; + +static const u8 iwl_eeprom_band_3[] = { /* 5170-5320MHz */ + 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 +}; + +static const u8 iwl_eeprom_band_4[] = { /* 5500-5700MHz */ + 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 +}; + +static const u8 iwl_eeprom_band_5[] = { /* 5725-5825MHz */ + 145, 149, 153, 157, 161, 165 +}; + +static const u8 iwl_eeprom_band_6[] = { /* 2.4 FAT channel */ + 1, 2, 3, 4, 5, 6, 7 +}; + +static const u8 iwl_eeprom_band_7[] = { /* 5.2 FAT channel */ + 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157 +}; + /****************************************************************************** * * EEPROM related functions @@ -203,3 +264,298 @@ void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac) } EXPORT_SYMBOL(iwl_eeprom_get_mac); +static void iwl_init_band_reference(const struct iwl_priv *priv, + int band, + int *eeprom_ch_count, + const struct iwl4965_eeprom_channel + **eeprom_ch_info, + const u8 **eeprom_ch_index) +{ + switch (band) { + case 1: /* 2.4GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1); + *eeprom_ch_info = priv->eeprom.band_1_channels; + *eeprom_ch_index = iwl_eeprom_band_1; + break; + case 2: /* 4.9GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2); + *eeprom_ch_info = priv->eeprom.band_2_channels; + *eeprom_ch_index = iwl_eeprom_band_2; + break; + case 3: /* 5.2GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3); + *eeprom_ch_info = priv->eeprom.band_3_channels; + *eeprom_ch_index = iwl_eeprom_band_3; + break; + case 4: /* 5.5GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4); + *eeprom_ch_info = priv->eeprom.band_4_channels; + *eeprom_ch_index = iwl_eeprom_band_4; + break; + case 5: /* 5.7GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5); + *eeprom_ch_info = priv->eeprom.band_5_channels; + *eeprom_ch_index = iwl_eeprom_band_5; + break; + case 6: /* 2.4GHz FAT channels */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_6); + *eeprom_ch_info = priv->eeprom.band_24_channels; + *eeprom_ch_index = iwl_eeprom_band_6; + break; + case 7: /* 5 GHz FAT channels */ + *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_7); + *eeprom_ch_info = priv->eeprom.band_52_channels; + *eeprom_ch_index = iwl_eeprom_band_7; + break; + default: + BUG(); + return; + } +} + +#define CHECK_AND_PRINT(x) ((eeprom_ch->flags & EEPROM_CHANNEL_##x) \ + ? # x " " : "") + +/** + * iwl4965_set_fat_chan_info - Copy fat channel info into driver's priv. + * + * Does not set up a command, or touch hardware. + */ +static int iwl4965_set_fat_chan_info(struct iwl_priv *priv, + enum ieee80211_band band, u16 channel, + const struct iwl4965_eeprom_channel *eeprom_ch, + u8 fat_extension_channel) +{ + struct iwl_channel_info *ch_info; + + ch_info = (struct iwl_channel_info *) + iwl4965_get_channel_info(priv, band, channel); + + if (!is_channel_valid(ch_info)) + return -1; + + IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x" + " %ddBm): Ad-Hoc %ssupported\n", + ch_info->channel, + is_channel_a_band(ch_info) ? + "5.2" : "2.4", + CHECK_AND_PRINT(IBSS), + CHECK_AND_PRINT(ACTIVE), + CHECK_AND_PRINT(RADAR), + CHECK_AND_PRINT(WIDE), + CHECK_AND_PRINT(NARROW), + CHECK_AND_PRINT(DFS), + eeprom_ch->flags, + eeprom_ch->max_power_avg, + ((eeprom_ch->flags & EEPROM_CHANNEL_IBSS) + && !(eeprom_ch->flags & EEPROM_CHANNEL_RADAR)) ? + "" : "not "); + + ch_info->fat_eeprom = *eeprom_ch; + ch_info->fat_max_power_avg = eeprom_ch->max_power_avg; + ch_info->fat_curr_txpow = eeprom_ch->max_power_avg; + ch_info->fat_min_power = 0; + ch_info->fat_scan_power = eeprom_ch->max_power_avg; + ch_info->fat_flags = eeprom_ch->flags; + ch_info->fat_extension_channel = fat_extension_channel; + + return 0; +} + +#define CHECK_AND_PRINT_I(x) ((eeprom_ch_info[ch].flags & EEPROM_CHANNEL_##x) \ + ? # x " " : "") + +/** + * iwl_init_channel_map - Set up driver's info for all possible channels + */ +int iwl_init_channel_map(struct iwl_priv *priv) +{ + int eeprom_ch_count = 0; + const u8 *eeprom_ch_index = NULL; + const struct iwl4965_eeprom_channel *eeprom_ch_info = NULL; + int band, ch; + struct iwl_channel_info *ch_info; + + if (priv->channel_count) { + IWL_DEBUG_INFO("Channel map already initialized.\n"); + return 0; + } + + if (priv->eeprom.version < 0x2f) { + IWL_WARNING("Unsupported EEPROM version: 0x%04X\n", + priv->eeprom.version); + return -EINVAL; + } + + IWL_DEBUG_INFO("Initializing regulatory info from EEPROM\n"); + + priv->channel_count = + ARRAY_SIZE(iwl_eeprom_band_1) + + ARRAY_SIZE(iwl_eeprom_band_2) + + ARRAY_SIZE(iwl_eeprom_band_3) + + ARRAY_SIZE(iwl_eeprom_band_4) + + ARRAY_SIZE(iwl_eeprom_band_5); + + IWL_DEBUG_INFO("Parsing data for %d channels.\n", priv->channel_count); + + priv->channel_info = kzalloc(sizeof(struct iwl_channel_info) * + priv->channel_count, GFP_KERNEL); + if (!priv->channel_info) { + IWL_ERROR("Could not allocate channel_info\n"); + priv->channel_count = 0; + return -ENOMEM; + } + + ch_info = priv->channel_info; + + /* Loop through the 5 EEPROM bands adding them in order to the + * channel map we maintain (that contains additional information than + * what just in the EEPROM) */ + for (band = 1; band <= 5; band++) { + + iwl_init_band_reference(priv, band, &eeprom_ch_count, + &eeprom_ch_info, &eeprom_ch_index); + + /* Loop through each band adding each of the channels */ + for (ch = 0; ch < eeprom_ch_count; ch++) { + ch_info->channel = eeprom_ch_index[ch]; + ch_info->band = (band == 1) ? IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ; + + /* permanently store EEPROM's channel regulatory flags + * and max power in channel info database. */ + ch_info->eeprom = eeprom_ch_info[ch]; + + /* Copy the run-time flags so they are there even on + * invalid channels */ + ch_info->flags = eeprom_ch_info[ch].flags; + + if (!(is_channel_valid(ch_info))) { + IWL_DEBUG_INFO("Ch. %d Flags %x [%sGHz] - " + "No traffic\n", + ch_info->channel, + ch_info->flags, + is_channel_a_band(ch_info) ? + "5.2" : "2.4"); + ch_info++; + continue; + } + + /* Initialize regulatory-based run-time data */ + ch_info->max_power_avg = ch_info->curr_txpow = + eeprom_ch_info[ch].max_power_avg; + ch_info->scan_power = eeprom_ch_info[ch].max_power_avg; + ch_info->min_power = 0; + + IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x" + " %ddBm): Ad-Hoc %ssupported\n", + ch_info->channel, + is_channel_a_band(ch_info) ? + "5.2" : "2.4", + CHECK_AND_PRINT_I(VALID), + CHECK_AND_PRINT_I(IBSS), + CHECK_AND_PRINT_I(ACTIVE), + CHECK_AND_PRINT_I(RADAR), + CHECK_AND_PRINT_I(WIDE), + CHECK_AND_PRINT_I(NARROW), + CHECK_AND_PRINT_I(DFS), + eeprom_ch_info[ch].flags, + eeprom_ch_info[ch].max_power_avg, + ((eeprom_ch_info[ch]. + flags & EEPROM_CHANNEL_IBSS) + && !(eeprom_ch_info[ch]. + flags & EEPROM_CHANNEL_RADAR)) + ? "" : "not "); + + /* Set the user_txpower_limit to the highest power + * supported by any channel */ + if (eeprom_ch_info[ch].max_power_avg > + priv->user_txpower_limit) + priv->user_txpower_limit = + eeprom_ch_info[ch].max_power_avg; + + ch_info++; + } + } + + /* Two additional EEPROM bands for 2.4 and 5 GHz FAT channels */ + for (band = 6; band <= 7; band++) { + enum ieee80211_band ieeeband; + u8 fat_extension_chan; + + iwl_init_band_reference(priv, band, &eeprom_ch_count, + &eeprom_ch_info, &eeprom_ch_index); + + /* EEPROM band 6 is 2.4, band 7 is 5 GHz */ + ieeeband = + (band == 6) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + + /* Loop through each band adding each of the channels */ + for (ch = 0; ch < eeprom_ch_count; ch++) { + + if ((band == 6) && + ((eeprom_ch_index[ch] == 5) || + (eeprom_ch_index[ch] == 6) || + (eeprom_ch_index[ch] == 7))) + fat_extension_chan = HT_IE_EXT_CHANNEL_MAX; + else + fat_extension_chan = HT_IE_EXT_CHANNEL_ABOVE; + + /* Set up driver's info for lower half */ + iwl4965_set_fat_chan_info(priv, ieeeband, + eeprom_ch_index[ch], + &(eeprom_ch_info[ch]), + fat_extension_chan); + + /* Set up driver's info for upper half */ + iwl4965_set_fat_chan_info(priv, ieeeband, + (eeprom_ch_index[ch] + 4), + &(eeprom_ch_info[ch]), + HT_IE_EXT_CHANNEL_BELOW); + } + } + + return 0; +} +EXPORT_SYMBOL(iwl_init_channel_map); + +/* + * iwl_free_channel_map - undo allocations in iwl4965_init_channel_map + */ +void iwl_free_channel_map(struct iwl_priv *priv) +{ + kfree(priv->channel_info); + priv->channel_count = 0; +} +EXPORT_SYMBOL(iwl_free_channel_map); + +/** + * iwl_get_channel_info - Find driver's private channel info + * + * Based on band and channel number. + */ +const struct iwl_channel_info *iwl4965_get_channel_info( + const struct iwl_priv *priv, + enum ieee80211_band band, u16 channel) +{ + int i; + + switch (band) { + case IEEE80211_BAND_5GHZ: + for (i = 14; i < priv->channel_count; i++) { + if (priv->channel_info[i].channel == channel) + return &priv->channel_info[i]; + } + break; + case IEEE80211_BAND_2GHZ: + if (channel >= 1 && channel <= 14) + return &priv->channel_info[channel - 1]; + break; + default: + BUG(); + } + + return NULL; +} +EXPORT_SYMBOL(iwl4965_get_channel_info); + diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index 404c700c7c1..8a583947b2c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -137,6 +137,8 @@ struct iwl4965_eeprom_channel { * Look for this in calib_version member of struct iwl4965_eeprom. */ #define EEPROM_TX_POWER_VERSION_NEW (5) +/* 2.4 GHz */ +extern const u8 iwl_eeprom_band_1[14]; /* * 4965 factory calibration data for one txpower level, on one channel, @@ -364,4 +366,10 @@ int iwlcore_eeprom_verify_signature(struct iwl_priv *priv); int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv); void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv); +int iwl_init_channel_map(struct iwl_priv *priv); +void iwl_free_channel_map(struct iwl_priv *priv); +const struct iwl_channel_info *iwl4965_get_channel_info( + const struct iwl_priv *priv, + enum ieee80211_band band, u16 channel); + #endif /* __iwl_eeprom_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index a8fa1bfa570..9cf1f204666 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -431,23 +431,6 @@ out: #endif /** - * iwl4965_clear_stations_table - Clear the driver's station table - * - * NOTE: This does not clear or otherwise alter the device's station table. - */ -static void iwl4965_clear_stations_table(struct iwl_priv *priv) -{ - unsigned long flags; - - spin_lock_irqsave(&priv->sta_lock, flags); - - priv->num_stations = 0; - memset(priv->stations, 0, sizeof(priv->stations)); - - spin_unlock_irqrestore(&priv->sta_lock, flags); -} - -/** * iwl4965_add_station_flags - Add station to tables in driver and device */ u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr, @@ -881,43 +864,6 @@ static int iwl4965_rxon_add_station(struct iwl_priv *priv, } /** - * iwl4965_set_rxon_channel - Set the phymode and channel values in staging RXON - * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz - * @channel: Any channel valid for the requested phymode - - * In addition to setting the staging RXON, priv->phymode is also set. - * - * NOTE: Does not commit to the hardware; it sets appropriate bit fields - * in the staging RXON flag structure based on the phymode - */ -static int iwl4965_set_rxon_channel(struct iwl_priv *priv, - enum ieee80211_band band, - u16 channel) -{ - if (!iwl4965_get_channel_info(priv, band, channel)) { - IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", - channel, band); - return -EINVAL; - } - - if ((le16_to_cpu(priv->staging_rxon.channel) == channel) && - (priv->band == band)) - return 0; - - priv->staging_rxon.channel = cpu_to_le16(channel); - if (band == IEEE80211_BAND_5GHZ) - priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK; - else - priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK; - - priv->band = band; - - IWL_DEBUG_INFO("Staging channel set to %d [%d]\n", channel, band); - - return 0; -} - -/** * iwl4965_check_rxon_cmd - validate RXON structure is valid * * NOTE: This is really only useful during development and can eventually @@ -1186,7 +1132,7 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv) return rc; } - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); #ifdef CONFIG_IWL4965_SENSITIVITY if (!priv->error_recovering) @@ -1732,93 +1678,6 @@ static int iwl4965_send_qos_params_command(struct iwl_priv *priv, sizeof(struct iwl4965_qosparam_cmd), qos); } -static void iwl4965_reset_qos(struct iwl_priv *priv) -{ - u16 cw_min = 15; - u16 cw_max = 1023; - u8 aifs = 2; - u8 is_legacy = 0; - unsigned long flags; - int i; - - spin_lock_irqsave(&priv->lock, flags); - priv->qos_data.qos_active = 0; - - if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS) { - if (priv->qos_data.qos_enable) - priv->qos_data.qos_active = 1; - if (!(priv->active_rate & 0xfff0)) { - cw_min = 31; - is_legacy = 1; - } - } else if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { - if (priv->qos_data.qos_enable) - priv->qos_data.qos_active = 1; - } else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) { - cw_min = 31; - is_legacy = 1; - } - - if (priv->qos_data.qos_active) - aifs = 3; - - priv->qos_data.def_qos_parm.ac[0].cw_min = cpu_to_le16(cw_min); - priv->qos_data.def_qos_parm.ac[0].cw_max = cpu_to_le16(cw_max); - priv->qos_data.def_qos_parm.ac[0].aifsn = aifs; - priv->qos_data.def_qos_parm.ac[0].edca_txop = 0; - priv->qos_data.def_qos_parm.ac[0].reserved1 = 0; - - if (priv->qos_data.qos_active) { - i = 1; - priv->qos_data.def_qos_parm.ac[i].cw_min = cpu_to_le16(cw_min); - priv->qos_data.def_qos_parm.ac[i].cw_max = cpu_to_le16(cw_max); - priv->qos_data.def_qos_parm.ac[i].aifsn = 7; - priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; - priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; - - i = 2; - priv->qos_data.def_qos_parm.ac[i].cw_min = - cpu_to_le16((cw_min + 1) / 2 - 1); - priv->qos_data.def_qos_parm.ac[i].cw_max = - cpu_to_le16(cw_max); - priv->qos_data.def_qos_parm.ac[i].aifsn = 2; - if (is_legacy) - priv->qos_data.def_qos_parm.ac[i].edca_txop = - cpu_to_le16(6016); - else - priv->qos_data.def_qos_parm.ac[i].edca_txop = - cpu_to_le16(3008); - priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; - - i = 3; - priv->qos_data.def_qos_parm.ac[i].cw_min = - cpu_to_le16((cw_min + 1) / 4 - 1); - priv->qos_data.def_qos_parm.ac[i].cw_max = - cpu_to_le16((cw_max + 1) / 2 - 1); - priv->qos_data.def_qos_parm.ac[i].aifsn = 2; - priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; - if (is_legacy) - priv->qos_data.def_qos_parm.ac[i].edca_txop = - cpu_to_le16(3264); - else - priv->qos_data.def_qos_parm.ac[i].edca_txop = - cpu_to_le16(1504); - } else { - for (i = 1; i < 4; i++) { - priv->qos_data.def_qos_parm.ac[i].cw_min = - cpu_to_le16(cw_min); - priv->qos_data.def_qos_parm.ac[i].cw_max = - cpu_to_le16(cw_max); - priv->qos_data.def_qos_parm.ac[i].aifsn = aifs; - priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; - priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; - } - } - IWL_DEBUG_QOS("set QoS to default \n"); - - spin_unlock_irqrestore(&priv->lock, flags); -} - static void iwl4965_activate_qos(struct iwl_priv *priv, u8 force) { unsigned long flags; @@ -2304,7 +2163,7 @@ static void iwl4965_set_flags_for_phymode(struct iwl_priv *priv, */ static void iwl4965_connection_init_rx_config(struct iwl_priv *priv) { - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon)); @@ -2377,7 +2236,7 @@ static void iwl4965_connection_init_rx_config(struct iwl_priv *priv) static int iwl4965_set_mode(struct iwl_priv *priv, int mode) { if (mode == IEEE80211_IF_TYPE_IBSS) { - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; ch_info = iwl4965_get_channel_info(priv, priv->band, @@ -2395,7 +2254,7 @@ static int iwl4965_set_mode(struct iwl_priv *priv, int mode) iwl4965_connection_init_rx_config(priv); memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); /* dont commit rxon if rf-kill is on*/ if (!iwl4965_is_ready_rf(priv)) @@ -4999,308 +4858,6 @@ static irqreturn_t iwl4965_isr(int irq, void *data) return IRQ_NONE; } -/************************** EEPROM BANDS **************************** - * - * The iwl4965_eeprom_band definitions below provide the mapping from the - * EEPROM contents to the specific channel number supported for each - * band. - * - * For example, iwl_priv->eeprom.band_3_channels[4] from the band_3 - * definition below maps to physical channel 42 in the 5.2GHz spectrum. - * The specific geography and calibration information for that channel - * is contained in the eeprom map itself. - * - * During init, we copy the eeprom information and channel map - * information into priv->channel_info_24/52 and priv->channel_map_24/52 - * - * channel_map_24/52 provides the index in the channel_info array for a - * given channel. We have to have two separate maps as there is channel - * overlap with the 2.4GHz and 5.2GHz spectrum as seen in band_1 and - * band_2 - * - * A value of 0xff stored in the channel_map indicates that the channel - * is not supported by the hardware at all. - * - * A value of 0xfe in the channel_map indicates that the channel is not - * valid for Tx with the current hardware. This means that - * while the system can tune and receive on a given channel, it may not - * be able to associate or transmit any frames on that - * channel. There is no corresponding channel information for that - * entry. - * - *********************************************************************/ - -/* 2.4 GHz */ -static const u8 iwl4965_eeprom_band_1[14] = { - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 -}; - -/* 5.2 GHz bands */ -static const u8 iwl4965_eeprom_band_2[] = { /* 4915-5080MHz */ - 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 -}; - -static const u8 iwl4965_eeprom_band_3[] = { /* 5170-5320MHz */ - 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 -}; - -static const u8 iwl4965_eeprom_band_4[] = { /* 5500-5700MHz */ - 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 -}; - -static const u8 iwl4965_eeprom_band_5[] = { /* 5725-5825MHz */ - 145, 149, 153, 157, 161, 165 -}; - -static u8 iwl4965_eeprom_band_6[] = { /* 2.4 FAT channel */ - 1, 2, 3, 4, 5, 6, 7 -}; - -static u8 iwl4965_eeprom_band_7[] = { /* 5.2 FAT channel */ - 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157 -}; - -static void iwl4965_init_band_reference(const struct iwl_priv *priv, - int band, - int *eeprom_ch_count, - const struct iwl4965_eeprom_channel - **eeprom_ch_info, - const u8 **eeprom_ch_index) -{ - switch (band) { - case 1: /* 2.4GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_1); - *eeprom_ch_info = priv->eeprom.band_1_channels; - *eeprom_ch_index = iwl4965_eeprom_band_1; - break; - case 2: /* 4.9GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_2); - *eeprom_ch_info = priv->eeprom.band_2_channels; - *eeprom_ch_index = iwl4965_eeprom_band_2; - break; - case 3: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_3); - *eeprom_ch_info = priv->eeprom.band_3_channels; - *eeprom_ch_index = iwl4965_eeprom_band_3; - break; - case 4: /* 5.5GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_4); - *eeprom_ch_info = priv->eeprom.band_4_channels; - *eeprom_ch_index = iwl4965_eeprom_band_4; - break; - case 5: /* 5.7GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_5); - *eeprom_ch_info = priv->eeprom.band_5_channels; - *eeprom_ch_index = iwl4965_eeprom_band_5; - break; - case 6: /* 2.4GHz FAT channels */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_6); - *eeprom_ch_info = priv->eeprom.band_24_channels; - *eeprom_ch_index = iwl4965_eeprom_band_6; - break; - case 7: /* 5 GHz FAT channels */ - *eeprom_ch_count = ARRAY_SIZE(iwl4965_eeprom_band_7); - *eeprom_ch_info = priv->eeprom.band_52_channels; - *eeprom_ch_index = iwl4965_eeprom_band_7; - break; - default: - BUG(); - return; - } -} - -/** - * iwl4965_get_channel_info - Find driver's private channel info - * - * Based on band and channel number. - */ -const struct iwl4965_channel_info *iwl4965_get_channel_info(const struct iwl_priv *priv, - enum ieee80211_band band, u16 channel) -{ - int i; - - switch (band) { - case IEEE80211_BAND_5GHZ: - for (i = 14; i < priv->channel_count; i++) { - if (priv->channel_info[i].channel == channel) - return &priv->channel_info[i]; - } - break; - case IEEE80211_BAND_2GHZ: - if (channel >= 1 && channel <= 14) - return &priv->channel_info[channel - 1]; - break; - default: - BUG(); - } - - return NULL; -} - -#define CHECK_AND_PRINT(x) ((eeprom_ch_info[ch].flags & EEPROM_CHANNEL_##x) \ - ? # x " " : "") - -/** - * iwl4965_init_channel_map - Set up driver's info for all possible channels - */ -static int iwl4965_init_channel_map(struct iwl_priv *priv) -{ - int eeprom_ch_count = 0; - const u8 *eeprom_ch_index = NULL; - const struct iwl4965_eeprom_channel *eeprom_ch_info = NULL; - int band, ch; - struct iwl4965_channel_info *ch_info; - - if (priv->channel_count) { - IWL_DEBUG_INFO("Channel map already initialized.\n"); - return 0; - } - - if (priv->eeprom.version < 0x2f) { - IWL_WARNING("Unsupported EEPROM version: 0x%04X\n", - priv->eeprom.version); - return -EINVAL; - } - - IWL_DEBUG_INFO("Initializing regulatory info from EEPROM\n"); - - priv->channel_count = - ARRAY_SIZE(iwl4965_eeprom_band_1) + - ARRAY_SIZE(iwl4965_eeprom_band_2) + - ARRAY_SIZE(iwl4965_eeprom_band_3) + - ARRAY_SIZE(iwl4965_eeprom_band_4) + - ARRAY_SIZE(iwl4965_eeprom_band_5); - - IWL_DEBUG_INFO("Parsing data for %d channels.\n", priv->channel_count); - - priv->channel_info = kzalloc(sizeof(struct iwl4965_channel_info) * - priv->channel_count, GFP_KERNEL); - if (!priv->channel_info) { - IWL_ERROR("Could not allocate channel_info\n"); - priv->channel_count = 0; - return -ENOMEM; - } - - ch_info = priv->channel_info; - - /* Loop through the 5 EEPROM bands adding them in order to the - * channel map we maintain (that contains additional information than - * what just in the EEPROM) */ - for (band = 1; band <= 5; band++) { - - iwl4965_init_band_reference(priv, band, &eeprom_ch_count, - &eeprom_ch_info, &eeprom_ch_index); - - /* Loop through each band adding each of the channels */ - for (ch = 0; ch < eeprom_ch_count; ch++) { - ch_info->channel = eeprom_ch_index[ch]; - ch_info->band = (band == 1) ? IEEE80211_BAND_2GHZ : - IEEE80211_BAND_5GHZ; - - /* permanently store EEPROM's channel regulatory flags - * and max power in channel info database. */ - ch_info->eeprom = eeprom_ch_info[ch]; - - /* Copy the run-time flags so they are there even on - * invalid channels */ - ch_info->flags = eeprom_ch_info[ch].flags; - - if (!(is_channel_valid(ch_info))) { - IWL_DEBUG_INFO("Ch. %d Flags %x [%sGHz] - " - "No traffic\n", - ch_info->channel, - ch_info->flags, - is_channel_a_band(ch_info) ? - "5.2" : "2.4"); - ch_info++; - continue; - } - - /* Initialize regulatory-based run-time data */ - ch_info->max_power_avg = ch_info->curr_txpow = - eeprom_ch_info[ch].max_power_avg; - ch_info->scan_power = eeprom_ch_info[ch].max_power_avg; - ch_info->min_power = 0; - - IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x" - " %ddBm): Ad-Hoc %ssupported\n", - ch_info->channel, - is_channel_a_band(ch_info) ? - "5.2" : "2.4", - CHECK_AND_PRINT(VALID), - CHECK_AND_PRINT(IBSS), - CHECK_AND_PRINT(ACTIVE), - CHECK_AND_PRINT(RADAR), - CHECK_AND_PRINT(WIDE), - CHECK_AND_PRINT(NARROW), - CHECK_AND_PRINT(DFS), - eeprom_ch_info[ch].flags, - eeprom_ch_info[ch].max_power_avg, - ((eeprom_ch_info[ch]. - flags & EEPROM_CHANNEL_IBSS) - && !(eeprom_ch_info[ch]. - flags & EEPROM_CHANNEL_RADAR)) - ? "" : "not "); - - /* Set the user_txpower_limit to the highest power - * supported by any channel */ - if (eeprom_ch_info[ch].max_power_avg > - priv->user_txpower_limit) - priv->user_txpower_limit = - eeprom_ch_info[ch].max_power_avg; - - ch_info++; - } - } - - /* Two additional EEPROM bands for 2.4 and 5 GHz FAT channels */ - for (band = 6; band <= 7; band++) { - enum ieee80211_band ieeeband; - u8 fat_extension_chan; - - iwl4965_init_band_reference(priv, band, &eeprom_ch_count, - &eeprom_ch_info, &eeprom_ch_index); - - /* EEPROM band 6 is 2.4, band 7 is 5 GHz */ - ieeeband = (band == 6) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; - - /* Loop through each band adding each of the channels */ - for (ch = 0; ch < eeprom_ch_count; ch++) { - - if ((band == 6) && - ((eeprom_ch_index[ch] == 5) || - (eeprom_ch_index[ch] == 6) || - (eeprom_ch_index[ch] == 7))) - fat_extension_chan = HT_IE_EXT_CHANNEL_MAX; - else - fat_extension_chan = HT_IE_EXT_CHANNEL_ABOVE; - - /* Set up driver's info for lower half */ - iwl4965_set_fat_chan_info(priv, ieeeband, - eeprom_ch_index[ch], - &(eeprom_ch_info[ch]), - fat_extension_chan); - - /* Set up driver's info for upper half */ - iwl4965_set_fat_chan_info(priv, ieeeband, - (eeprom_ch_index[ch] + 4), - &(eeprom_ch_info[ch]), - HT_IE_EXT_CHANNEL_BELOW); - } - } - - return 0; -} - -/* - * iwl4965_free_channel_map - undo allocations in iwl4965_init_channel_map - */ -static void iwl4965_free_channel_map(struct iwl_priv *priv) -{ - kfree(priv->channel_info); - priv->channel_count = 0; -} - /* For active scan, listen ACTIVE_DWELL_TIME (msec) on each channel after * sending probe req. This should be set long enough to hear probe responses * from more than one AP. */ @@ -5364,7 +4921,7 @@ static int iwl4965_get_channels_for_scan(struct iwl_priv *priv, { const struct ieee80211_channel *channels = NULL; const struct ieee80211_supported_band *sband; - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; u16 passive_dwell = 0; u16 active_dwell = 0; int added, i; @@ -5468,9 +5025,9 @@ static void iwl4965_init_hw_rates(struct iwl_priv *priv, /** * iwl4965_init_geos - Initialize mac80211's geo/channel info based from eeprom */ -static int iwl4965_init_geos(struct iwl_priv *priv) +int iwl4965_init_geos(struct iwl_priv *priv) { - struct iwl4965_channel_info *ch; + struct iwl_channel_info *ch; struct ieee80211_supported_band *sband; struct ieee80211_channel *channels; struct ieee80211_channel *geo_ch; @@ -5498,7 +5055,7 @@ static int iwl4965_init_geos(struct iwl_priv *priv) /* 5.2GHz channels start after the 2.4GHz channels */ sband = &priv->bands[IEEE80211_BAND_5GHZ]; - sband->channels = &channels[ARRAY_SIZE(iwl4965_eeprom_band_1)]; + sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; /* just OFDM */ sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; @@ -5590,7 +5147,7 @@ static int iwl4965_init_geos(struct iwl_priv *priv) /* * iwl4965_free_geos - undo allocations in iwl4965_init_geos */ -static void iwl4965_free_geos(struct iwl_priv *priv) +void iwl4965_free_geos(struct iwl_priv *priv) { kfree(priv->ieee_channels); kfree(priv->ieee_rates); @@ -6233,7 +5790,7 @@ static void iwl4965_alive_start(struct iwl_priv *priv) goto restart; } - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); rc = iwl4965_alive_notify(priv); if (rc) { @@ -6310,7 +5867,7 @@ static void __iwl4965_down(struct iwl_priv *priv) if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); @@ -6465,7 +6022,7 @@ static int __iwl4965_up(struct iwl_priv *priv) for (i = 0; i < MAX_HW_RESTARTS; i++) { - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); /* load bootstrap state machine, * load bootstrap program into processor's memory, @@ -6911,7 +6468,7 @@ static void iwl4965_bg_post_associate(struct work_struct *data) case IEEE80211_IF_TYPE_IBSS: /* clear out the station table */ - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); iwl4965_rxon_add_station(priv, iwl4965_broadcast_addr, 0); iwl4965_rxon_add_station(priv, priv->bssid, 0); @@ -7169,7 +6726,7 @@ static int iwl4965_mac_add_interface(struct ieee80211_hw *hw, static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) { struct iwl_priv *priv = hw->priv; - const struct iwl4965_channel_info *ch_info; + const struct iwl_channel_info *ch_info; unsigned long flags; int ret = 0; @@ -7215,7 +6772,7 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co priv->staging_rxon.flags = 0; #endif /* CONFIG_IWL4965_HT */ - iwl4965_set_rxon_channel(priv, conf->channel->band, + iwlcore_set_rxon_channel(priv, conf->channel->band, ieee80211_frequency_to_channel(conf->channel->center_freq)); iwl4965_set_flags_for_phymode(priv, conf->channel->band); @@ -7736,7 +7293,7 @@ static void iwl4965_mac_reset_tsf(struct ieee80211_hw *hw) spin_unlock_irqrestore(&priv->lock, flags); #endif /* CONFIG_IWL4965_HT */ - iwl4965_reset_qos(priv); + iwlcore_reset_qos(priv); cancel_delayed_work(&priv->post_associate); @@ -7825,7 +7382,7 @@ static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk IWL_DEBUG_MAC80211("leave\n"); spin_unlock_irqrestore(&priv->lock, flags); - iwl4965_reset_qos(priv); + iwlcore_reset_qos(priv); queue_work(priv->workqueue, &priv->post_associate.work); @@ -8517,7 +8074,6 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e struct iwl_priv *priv; struct ieee80211_hw *hw; struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); - int i; DECLARE_MAC_BUF(mac); /************************ @@ -8634,93 +8190,10 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e * 6. Setup hw/priv *******************/ - /* Tell mac80211 and its clients (e.g. Wireless Extensions) - * the range of signal quality values that we'll provide. - * Negative values for level/noise indicate that we'll provide dBm. - * For WE, at least, non-0 values here *enable* display of values - * in app (iwconfig). */ - hw->max_rssi = -20; /* signal level, negative indicates dBm */ - hw->max_noise = -20; /* noise level, negative indicates dBm */ - hw->max_signal = 100; /* link quality indication (%) */ - - /* Tell mac80211 our Tx characteristics */ - hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE; - - /* Default value; 4 EDCA QOS priorities */ - hw->queues = 4; -#ifdef CONFIG_IWL4965_HT - /* Enhanced value; more queues, to support 11n aggregation */ - hw->queues = 16; -#endif /* CONFIG_IWL4965_HT */ - - hw->rate_control_algorithm = "iwl-4965-rs"; - priv->antenna = (enum iwl4965_antenna)iwl4965_mod_params.antenna; - priv->retry_rate = 1; - priv->ibss_beacon = NULL; - - spin_lock_init(&priv->lock); - spin_lock_init(&priv->power_data.lock); - spin_lock_init(&priv->sta_lock); - spin_lock_init(&priv->hcmd_lock); - spin_lock_init(&priv->lq_mngr.lock); - - for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) - INIT_LIST_HEAD(&priv->ibss_mac_hash[i]); - - INIT_LIST_HEAD(&priv->free_frames); - - mutex_init(&priv->mutex); - - /* Clear the driver's (not device's) station table */ - iwl4965_clear_stations_table(priv); - - priv->data_retry_limit = -1; - priv->ieee_channels = NULL; - priv->ieee_rates = NULL; - priv->band = IEEE80211_BAND_2GHZ; - - priv->iw_mode = IEEE80211_IF_TYPE_STA; - - priv->use_ant_b_for_management_frame = 1; /* start with ant B */ - priv->valid_antenna = 0x7; /* assume all 3 connected */ - priv->ps_mode = IWL_MIMO_PS_NONE; - - /* Choose which receivers/antennas to use */ - iwl4965_set_rxon_chain(priv); - - iwl4965_reset_qos(priv); - - priv->qos_data.qos_active = 0; - priv->qos_data.qos_cap.val = 0; - - iwl4965_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); - - priv->rates_mask = IWL_RATES_MASK; - /* If power management is turned on, default to AC mode */ - priv->power_mode = IWL_POWER_AC; - priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; - - err = iwl4965_init_channel_map(priv); - if (err) { - IWL_ERROR("initializing regulatory failed: %d\n", err); + err = iwl_setup(priv); + if (err) goto out_unset_hw_settings; - } - - err = iwl4965_init_geos(priv); - if (err) { - IWL_ERROR("initializing geos failed: %d\n", err); - goto out_free_channel_map; - } - - iwl4965_rate_control_register(priv->hw); - err = ieee80211_register_hw(priv->hw); - if (err) { - IWL_ERROR("Failed to register network device (error %d)\n", err); - goto out_free_geos; - } - - priv->hw->conf.beacon_int = 100; - priv->mac80211_registered = 1; + /* At this point both hw and priv are initialized. */ /********************************** * 7. Initialize module parameters @@ -8743,7 +8216,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e err = sysfs_create_group(&pdev->dev.kobj, &iwl4965_attribute_group); if (err) { IWL_ERROR("failed to create sysfs device attributes\n"); - goto out_free_geos; + goto out_unset_hw_settings; } err = iwl_dbgfs_register(priv, DRV_NAME); @@ -8765,10 +8238,6 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e out_remove_sysfs: sysfs_remove_group(&pdev->dev.kobj, &iwl4965_attribute_group); - out_free_geos: - iwl4965_free_geos(priv); - out_free_channel_map: - iwl4965_free_channel_map(priv); out_unset_hw_settings: iwl4965_unset_hw_setting(priv); out_iounmap: @@ -8817,7 +8286,7 @@ static void iwl4965_pci_remove(struct pci_dev *pdev) iwl4965_hw_txq_ctx_free(priv); iwl4965_unset_hw_setting(priv); - iwl4965_clear_stations_table(priv); + iwlcore_clear_stations_table(priv); if (priv->mac80211_registered) { ieee80211_unregister_hw(priv->hw); @@ -8838,7 +8307,7 @@ static void iwl4965_pci_remove(struct pci_dev *pdev) pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); - iwl4965_free_channel_map(priv); + iwl_free_channel_map(priv); iwl4965_free_geos(priv); if (priv->ibss_beacon) |