diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-4965.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 2214 |
1 files changed, 552 insertions, 1662 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index bf19eb8aafd..17847f981e1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -39,57 +39,21 @@ #include <asm/unaligned.h> #include "iwl-eeprom.h" -#include "iwl-4965.h" +#include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-helpers.h" +#include "iwl-calib.h" /* module parameters */ static struct iwl_mod_params iwl4965_mod_params = { - .num_of_queues = IWL4965_MAX_NUM_QUEUES, + .num_of_queues = IWL49_NUM_QUEUES, .enable_qos = 1, .amsdu_size_8K = 1, + .restart_fw = 1, /* the rest are 0 by default */ }; -static void iwl4965_hw_card_show_info(struct iwl_priv *priv); - -#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \ - [IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \ - IWL_RATE_SISO_##s##M_PLCP, \ - IWL_RATE_MIMO_##s##M_PLCP, \ - IWL_RATE_##r##M_IEEE, \ - IWL_RATE_##ip##M_INDEX, \ - IWL_RATE_##in##M_INDEX, \ - IWL_RATE_##rp##M_INDEX, \ - IWL_RATE_##rn##M_INDEX, \ - IWL_RATE_##pp##M_INDEX, \ - IWL_RATE_##np##M_INDEX } - -/* - * Parameter order: - * rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate - * - * If there isn't a valid next or previous rate then INV is used which - * maps to IWL_RATE_INVALID - * - */ -const struct iwl4965_rate_info iwl4965_rates[IWL_RATE_COUNT] = { - IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2), /* 1mbps */ - IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5), /* 2mbps */ - IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11), /*5.5mbps */ - IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18), /* 11mbps */ - IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11), /* 6mbps */ - IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11), /* 9mbps */ - IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18), /* 12mbps */ - IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24), /* 18mbps */ - IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36), /* 24mbps */ - IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48), /* 36mbps */ - IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54), /* 48mbps */ - IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */ - IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */ -}; - #ifdef CONFIG_IWL4965_HT static const u16 default_tid_to_tx_fifo[] = { @@ -259,99 +223,100 @@ static int iwl4965_load_bsm(struct iwl_priv *priv) return 0; } -static int iwl4965_init_drv(struct iwl_priv *priv) +/** + * iwl4965_set_ucode_ptrs - Set uCode address location + * + * Tell initialization uCode where to find runtime uCode. + * + * BSM registers initially contain pointers to initialization uCode. + * We need to replace them to load runtime uCode inst and data, + * and to save runtime data when powering down. + */ +static int iwl4965_set_ucode_ptrs(struct iwl_priv *priv) { - int ret; - int i; - - priv->antenna = (enum iwl4965_antenna)priv->cfg->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); + dma_addr_t pinst; + dma_addr_t pdata; + unsigned long flags; + int ret = 0; - priv->shared_virt = pci_alloc_consistent(priv->pci_dev, - sizeof(struct iwl4965_shared), - &priv->shared_phys); + /* bits 35:4 for 4965 */ + pinst = priv->ucode_code.p_addr >> 4; + pdata = priv->ucode_data_backup.p_addr >> 4; - if (!priv->shared_virt) { - ret = -ENOMEM; - goto err; + spin_lock_irqsave(&priv->lock, flags); + ret = iwl_grab_nic_access(priv); + if (ret) { + spin_unlock_irqrestore(&priv->lock, flags); + return ret; } - memset(priv->shared_virt, 0, sizeof(struct iwl4965_shared)); - - - 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; + /* Tell bootstrap uCode where to find image to load */ + iwl_write_prph(priv, BSM_DRAM_INST_PTR_REG, pinst); + iwl_write_prph(priv, BSM_DRAM_DATA_PTR_REG, pdata); + iwl_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG, + priv->ucode_data.len); - iwlcore_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); + /* Inst bytecount must be last to set up, bit 31 signals uCode + * that all new ptr/size info is in place */ + iwl_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG, + priv->ucode_code.len | BSM_DRAM_INST_LOAD); + iwl_release_nic_access(priv); - 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; + spin_unlock_irqrestore(&priv->lock, flags); - ret = iwl_init_channel_map(priv); - if (ret) { - IWL_ERROR("initializing regulatory failed: %d\n", ret); - goto err; - } + IWL_DEBUG_INFO("Runtime uCode pointers are set.\n"); - ret = iwl4965_init_geos(priv); - if (ret) { - IWL_ERROR("initializing geos failed: %d\n", ret); - goto err_free_channel_map; - } + return ret; +} - ret = ieee80211_register_hw(priv->hw); - if (ret) { - IWL_ERROR("Failed to register network device (error %d)\n", - ret); - goto err_free_geos; +/** + * iwl4965_init_alive_start - Called after REPLY_ALIVE notification received + * + * Called after REPLY_ALIVE notification received from "initialize" uCode. + * + * The 4965 "initialize" ALIVE reply contains calibration data for: + * Voltage, temperature, and MIMO tx gain correction, now stored in priv + * (3945 does not contain this data). + * + * Tell "initialize" uCode to go ahead and load the runtime uCode. +*/ +static void iwl4965_init_alive_start(struct iwl_priv *priv) +{ + /* Check alive response for "valid" sign from uCode */ + if (priv->card_alive_init.is_valid != UCODE_VALID_OK) { + /* We had an error bringing up the hardware, so take it + * all the way back down so we can try again */ + IWL_DEBUG_INFO("Initialize Alive failed.\n"); + goto restart; + } + + /* Bootstrap uCode has loaded initialize uCode ... verify inst image. + * This is a paranoid check, because we would not have gotten the + * "initialize" alive if code weren't properly loaded. */ + if (iwl_verify_ucode(priv)) { + /* Runtime instruction load was bad; + * take it all the way back down so we can try again */ + IWL_DEBUG_INFO("Bad \"initialize\" uCode load.\n"); + goto restart; + } + + /* Calculate temperature */ + priv->temperature = iwl4965_get_temperature(priv); + + /* Send pointers to protocol/runtime uCode image ... init code will + * load and launch runtime uCode, which will send us another "Alive" + * notification. */ + IWL_DEBUG_INFO("Initialization Alive received.\n"); + if (iwl4965_set_ucode_ptrs(priv)) { + /* Runtime instruction load won't happen; + * take it all the way back down so we can try again */ + IWL_DEBUG_INFO("Couldn't set up uCode pointers.\n"); + goto restart; } + return; - 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; +restart: + queue_work(priv->workqueue, &priv->restart); } static int is_fat_channel(__le32 rxon_flags) @@ -360,19 +325,6 @@ static int is_fat_channel(__le32 rxon_flags) (rxon_flags & RXON_FLG_CHANNEL_MODE_MIXED_MSK); } -static u8 is_single_stream(struct iwl_priv *priv) -{ -#ifdef CONFIG_IWL4965_HT - if (!priv->current_ht_config.is_ht || - (priv->current_ht_config.supp_mcs_set[1] == 0) || - (priv->ps_mode == IWL_MIMO_PS_STATIC)) - return 1; -#else - return 1; -#endif /*CONFIG_IWL4965_HT */ - return 0; -} - int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags) { int idx = 0; @@ -381,8 +333,8 @@ int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags) if (rate_n_flags & RATE_MCS_HT_MSK) { idx = (rate_n_flags & 0xff); - if (idx >= IWL_RATE_MIMO_6M_PLCP) - idx = idx - IWL_RATE_MIMO_6M_PLCP; + if (idx >= IWL_RATE_MIMO2_6M_PLCP) + idx = idx - IWL_RATE_MIMO2_6M_PLCP; idx += IWL_FIRST_OFDM_RATE; /* skip 9M not supported in ht*/ @@ -410,7 +362,7 @@ void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, int rate_index; control->antenna_sel_tx = - ((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS); + ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); if (rate_n_flags & RATE_MCS_HT_MSK) control->flags |= IEEE80211_TXCTL_OFDM_HT; if (rate_n_flags & RATE_MCS_GF_MSK) @@ -431,41 +383,6 @@ void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, &priv->bands[IEEE80211_BAND_2GHZ].bitrates[rate_index]; } -/* - * Determine how many receiver/antenna chains to use. - * More provides better reception via diversity. Fewer saves power. - * MIMO (dual stream) requires at least 2, but works better with 3. - * This does not determine *which* chains to use, just how many. - */ -static int iwl4965_get_rx_chain_counter(struct iwl_priv *priv, - u8 *idle_state, u8 *rx_state) -{ - u8 is_single = is_single_stream(priv); - u8 is_cam = test_bit(STATUS_POWER_PMI, &priv->status) ? 0 : 1; - - /* # of Rx chains to use when expecting MIMO. */ - if (is_single || (!is_cam && (priv->ps_mode == IWL_MIMO_PS_STATIC))) - *rx_state = 2; - else - *rx_state = 3; - - /* # Rx chains when idling and maybe trying to save power */ - switch (priv->ps_mode) { - case IWL_MIMO_PS_STATIC: - case IWL_MIMO_PS_DYNAMIC: - *idle_state = (is_cam) ? 2 : 1; - break; - case IWL_MIMO_PS_NONE: - *idle_state = (is_cam) ? *rx_state : 1; - break; - default: - *idle_state = 1; - break; - } - - return 0; -} - int iwl4965_hw_rxq_stop(struct iwl_priv *priv) { int rc; @@ -491,39 +408,32 @@ int iwl4965_hw_rxq_stop(struct iwl_priv *priv) return 0; } -u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *addr) +/* + * EEPROM handlers + */ + +static int iwl4965_eeprom_check_version(struct iwl_priv *priv) { - int i; - int start = 0; - int ret = IWL_INVALID_STATION; - unsigned long flags; - DECLARE_MAC_BUF(mac); + u16 eeprom_ver; + u16 calib_ver; - if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) || - (priv->iw_mode == IEEE80211_IF_TYPE_AP)) - start = IWL_STA_ID; + eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); - if (is_broadcast_ether_addr(addr)) - return priv->hw_params.bcast_sta_id; + calib_ver = iwl_eeprom_query16(priv, EEPROM_4965_CALIB_VERSION_OFFSET); - spin_lock_irqsave(&priv->sta_lock, flags); - for (i = start; i < priv->hw_params.max_stations; i++) - if ((priv->stations[i].used) && - (!compare_ether_addr - (priv->stations[i].sta.sta.addr, addr))) { - ret = i; - goto out; - } + if (eeprom_ver < EEPROM_4965_EEPROM_VERSION || + calib_ver < EEPROM_4965_TX_POWER_VERSION) + goto err; - IWL_DEBUG_ASSOC_LIMIT("can not find STA %s total %d\n", - print_mac(mac, addr), priv->num_stations); + return 0; +err: + IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n", + eeprom_ver, EEPROM_4965_EEPROM_VERSION, + calib_ver, EEPROM_4965_TX_POWER_VERSION); + return -EINVAL; - out: - spin_unlock_irqrestore(&priv->sta_lock, flags); - return ret; } - -static int iwl4965_nic_set_pwr_src(struct iwl_priv *priv, int pwr_max) +int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) { int ret; unsigned long flags; @@ -535,20 +445,21 @@ static int iwl4965_nic_set_pwr_src(struct iwl_priv *priv, int pwr_max) return ret; } - if (!pwr_max) { + if (src == IWL_PWR_SRC_VAUX) { u32 val; - ret = pci_read_config_dword(priv->pci_dev, PCI_POWER_SOURCE, - &val); + &val); - if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT) + if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT) { iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, - APMG_PS_CTRL_VAL_PWR_SRC_VAUX, - ~APMG_PS_CTRL_MSK_PWR_SRC); - } else + APMG_PS_CTRL_VAL_PWR_SRC_VAUX, + ~APMG_PS_CTRL_MSK_PWR_SRC); + } + } else { iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, - APMG_PS_CTRL_VAL_PWR_SRC_VMAIN, - ~APMG_PS_CTRL_MSK_PWR_SRC); + APMG_PS_CTRL_VAL_PWR_SRC_VMAIN, + ~APMG_PS_CTRL_MSK_PWR_SRC); + } iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); @@ -556,313 +467,105 @@ static int iwl4965_nic_set_pwr_src(struct iwl_priv *priv, int pwr_max) return ret; } -static int iwl4965_rx_init(struct iwl_priv *priv, struct iwl4965_rx_queue *rxq) +static int iwl4965_disable_tx_fifo(struct iwl_priv *priv) { - int ret; unsigned long flags; - unsigned int rb_size; + int ret; spin_lock_irqsave(&priv->lock, flags); + ret = iwl_grab_nic_access(priv); - if (ret) { + if (unlikely(ret)) { + IWL_ERROR("Tx fifo reset failed"); spin_unlock_irqrestore(&priv->lock, flags); return ret; } - if (priv->cfg->mod_params->amsdu_size_8K) - rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_8K; - else - rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K; - - /* Stop Rx DMA */ - iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); - - /* Reset driver's Rx queue write index */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); - - /* Tell device where to find RBD circular buffer in DRAM */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_BASE_REG, - rxq->dma_addr >> 8); - - /* Tell device where in DRAM to update its Rx status */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_STTS_WPTR_REG, - (priv->shared_phys + - offsetof(struct iwl4965_shared, rb_closed)) >> 4); - - /* Enable Rx DMA, enable host interrupt, Rx buffer size 4k, 256 RBDs */ - iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, - FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL | - FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL | - rb_size | - /* 0x10 << 4 | */ - (RX_QUEUE_SIZE_LOG << - FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT)); - - /* - * iwl_write32(priv,CSR_INT_COAL_REG,0); - */ - - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->lock, flags); - - return 0; -} - -/* Tell 4965 where to find the "keep warm" buffer */ -static int iwl4965_kw_init(struct iwl_priv *priv) -{ - unsigned long flags; - int rc; - - spin_lock_irqsave(&priv->lock, flags); - rc = iwl_grab_nic_access(priv); - if (rc) - goto out; - - iwl_write_direct32(priv, IWL_FH_KW_MEM_ADDR_REG, - priv->kw.dma_addr >> 4); - iwl_release_nic_access(priv); -out: - spin_unlock_irqrestore(&priv->lock, flags); - return rc; -} - -static int iwl4965_kw_alloc(struct iwl_priv *priv) -{ - struct pci_dev *dev = priv->pci_dev; - struct iwl4965_kw *kw = &priv->kw; - - kw->size = IWL4965_KW_SIZE; /* TBW need set somewhere else */ - kw->v_addr = pci_alloc_consistent(dev, kw->size, &kw->dma_addr); - if (!kw->v_addr) - return -ENOMEM; - - return 0; -} - -/** - * iwl4965_kw_free - Free the "keep warm" buffer - */ -static void iwl4965_kw_free(struct iwl_priv *priv) -{ - struct pci_dev *dev = priv->pci_dev; - struct iwl4965_kw *kw = &priv->kw; - - if (kw->v_addr) { - pci_free_consistent(dev, kw->size, kw->v_addr, kw->dma_addr); - memset(kw, 0, sizeof(*kw)); - } -} - -/** - * iwl4965_txq_ctx_reset - Reset TX queue context - * Destroys all DMA structures and initialise them again - * - * @param priv - * @return error code - */ -static int iwl4965_txq_ctx_reset(struct iwl_priv *priv) -{ - int rc = 0; - int txq_id, slots_num; - unsigned long flags; - - iwl4965_kw_free(priv); - - /* Free all tx/cmd queues and keep-warm buffer */ - iwl4965_hw_txq_ctx_free(priv); - - /* Alloc keep-warm buffer */ - rc = iwl4965_kw_alloc(priv); - if (rc) { - IWL_ERROR("Keep Warm allocation failed"); - goto error_kw; - } - - spin_lock_irqsave(&priv->lock, flags); - - rc = iwl_grab_nic_access(priv); - if (unlikely(rc)) { - IWL_ERROR("TX reset failed"); - spin_unlock_irqrestore(&priv->lock, flags); - goto error_reset; - } - - /* Turn off all Tx DMA channels */ iwl_write_prph(priv, IWL49_SCD_TXFACT, 0); iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); - /* Tell 4965 where to find the keep-warm buffer */ - rc = iwl4965_kw_init(priv); - if (rc) { - IWL_ERROR("kw_init failed\n"); - goto error_reset; - } - - /* Alloc and init all (default 16) Tx queues, - * including the command queue (#4) */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { - slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ? - TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - rc = iwl4965_tx_queue_init(priv, &priv->txq[txq_id], slots_num, - txq_id); - if (rc) { - IWL_ERROR("Tx %d queue init failed\n", txq_id); - goto error; - } - } - - return rc; - - error: - iwl4965_hw_txq_ctx_free(priv); - error_reset: - iwl4965_kw_free(priv); - error_kw: - return rc; + return 0; } -int iwl4965_hw_nic_init(struct iwl_priv *priv) +static int iwl4965_apm_init(struct iwl_priv *priv) { - int rc; - unsigned long flags; - struct iwl4965_rx_queue *rxq = &priv->rxq; - u8 rev_id; - u32 val; - u8 val_link; - - iwl4965_power_init_handle(priv); - - /* nic_init */ - spin_lock_irqsave(&priv->lock, flags); + int ret = 0; iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, - CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); + CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); + /* set "initialization complete" bit to move adapter + * D0U* --> D0A* state */ iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - rc = iwl_poll_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); - if (rc < 0) { - spin_unlock_irqrestore(&priv->lock, flags); - IWL_DEBUG_INFO("Failed to init the card\n"); - return rc; - } - rc = iwl_grab_nic_access(priv); - if (rc) { - spin_unlock_irqrestore(&priv->lock, flags); - return rc; + /* wait for clock stabilization */ + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + if (ret < 0) { + IWL_DEBUG_INFO("Failed to init the card\n"); + goto out; } - iwl_read_prph(priv, APMG_CLK_CTRL_REG); + ret = iwl_grab_nic_access(priv); + if (ret) + goto out; + /* enable DMA */ iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_DMA_CLK_RQT | APMG_CLK_VAL_BSM_CLK_RQT); - iwl_read_prph(priv, APMG_CLK_CTRL_REG); udelay(20); iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG, - APMG_PCIDEV_STT_VAL_L1_ACT_DIS); + APMG_PCIDEV_STT_VAL_L1_ACT_DIS); iwl_release_nic_access(priv); - iwl_write32(priv, CSR_INT_COALESCING, 512 / 32); - spin_unlock_irqrestore(&priv->lock, flags); +out: + return ret; +} - /* Determine HW type */ - rc = pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id); - if (rc) - return rc; - IWL_DEBUG_INFO("HW Revision ID = 0x%X\n", rev_id); +static void iwl4965_nic_config(struct iwl_priv *priv) +{ + unsigned long flags; + u32 val; + u16 radio_cfg; + u8 val_link; - iwl4965_nic_set_pwr_src(priv, 1); spin_lock_irqsave(&priv->lock, flags); - if ((rev_id & 0x80) == 0x80 && (rev_id & 0x7f) < 8) { + if ((priv->rev_id & 0x80) == 0x80 && (priv->rev_id & 0x7f) < 8) { pci_read_config_dword(priv->pci_dev, PCI_REG_WUM8, &val); /* Enable No Snoop field */ pci_write_config_dword(priv->pci_dev, PCI_REG_WUM8, val & ~(1 << 11)); } - spin_unlock_irqrestore(&priv->lock, flags); - - if (priv->eeprom.calib_version < EEPROM_TX_POWER_VERSION_NEW) { - IWL_ERROR("Older EEPROM detected! Aborting.\n"); - return -EINVAL; - } - pci_read_config_byte(priv->pci_dev, PCI_LINK_CTRL, &val_link); /* disable L1 entry -- workaround for pre-B1 */ pci_write_config_byte(priv->pci_dev, PCI_LINK_CTRL, val_link & ~0x02); - spin_lock_irqsave(&priv->lock, flags); + radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); - /* set CSR_HW_CONFIG_REG for uCode use */ + /* write radio config values to register */ + if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) == EEPROM_4965_RF_CFG_TYPE_MAX) + iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + EEPROM_RF_CFG_TYPE_MSK(radio_cfg) | + EEPROM_RF_CFG_STEP_MSK(radio_cfg) | + EEPROM_RF_CFG_DASH_MSK(radio_cfg)); + /* set CSR_HW_CONFIG_REG for uCode use */ iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR49_HW_IF_CONFIG_REG_BIT_4965_R | - CSR49_HW_IF_CONFIG_REG_BIT_RADIO_SI | - CSR49_HW_IF_CONFIG_REG_BIT_MAC_SI); + CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | + CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); - rc = iwl_grab_nic_access(priv); - if (rc < 0) { - spin_unlock_irqrestore(&priv->lock, flags); - IWL_DEBUG_INFO("Failed to init the card\n"); - return rc; - } - - iwl_read_prph(priv, APMG_PS_CTRL_REG); - iwl_set_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); - udelay(5); - iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); + priv->calib_info = (struct iwl_eeprom_calib_info *) + iwl_eeprom_query_addr(priv, EEPROM_4965_CALIB_TXPOWER_OFFSET); - iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); - - iwl4965_hw_card_show_info(priv); - - /* end nic_init */ - - /* Allocate the RX queue, or reset if it is already allocated */ - if (!rxq->bd) { - rc = iwl4965_rx_queue_alloc(priv); - if (rc) { - IWL_ERROR("Unable to initialize Rx queue\n"); - return -ENOMEM; - } - } else - iwl4965_rx_queue_reset(priv, rxq); - - iwl4965_rx_replenish(priv); - - iwl4965_rx_init(priv, rxq); - - spin_lock_irqsave(&priv->lock, flags); - - rxq->need_update = 1; - iwl4965_rx_queue_update_write_ptr(priv, rxq); - - spin_unlock_irqrestore(&priv->lock, flags); - - /* Allocate and init all Tx and Command queues */ - rc = iwl4965_txq_ctx_reset(priv); - if (rc) - return rc; - - if (priv->eeprom.sku_cap & EEPROM_SKU_CAP_SW_RF_KILL_ENABLE) - IWL_DEBUG_RF_KILL("SW RF KILL supported in EEPROM.\n"); - - if (priv->eeprom.sku_cap & EEPROM_SKU_CAP_HW_RF_KILL_ENABLE) - IWL_DEBUG_RF_KILL("HW RF KILL supported in EEPROM.\n"); - - set_bit(STATUS_INIT, &priv->status); - - return 0; } int iwl4965_hw_nic_stop_master(struct iwl_priv *priv) @@ -916,16 +619,16 @@ void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv) } iwl_write_direct32(priv, - IWL_FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), 0x0); - iwl_poll_direct_bit(priv, IWL_FH_TSSR_TX_STATUS_REG, - IWL_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE + FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), 0x0); + iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG, + FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE (txq_id), 200); iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); } /* Deallocate memory for all Tx queues */ - iwl4965_hw_txq_ctx_free(priv); + iwl_hw_txq_ctx_free(priv); } int iwl4965_hw_nic_reset(struct iwl_priv *priv) @@ -993,15 +696,9 @@ static void iwl4965_bg_statistics_periodic(unsigned long data) iwl_send_statistics_request(priv, CMD_ASYNC); } -#define CT_LIMIT_CONST 259 -#define TM_CT_KILL_THRESHOLD 110 - void iwl4965_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl4965_ct_kill_config cmd; - u32 R1, R2, R3; - u32 temp_th; - u32 crit_temperature; unsigned long flags; int ret = 0; @@ -1010,440 +707,28 @@ void iwl4965_rf_kill_ct_config(struct iwl_priv *priv) CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); spin_unlock_irqrestore(&priv->lock, flags); - if (priv->statistics.flag & STATISTICS_REPLY_FLG_FAT_MODE_MSK) { - R1 = (s32)le32_to_cpu(priv->card_alive_init.therm_r1[1]); - R2 = (s32)le32_to_cpu(priv->card_alive_init.therm_r2[1]); - R3 = (s32)le32_to_cpu(priv->card_alive_init.therm_r3[1]); - } else { - R1 = (s32)le32_to_cpu(priv->card_alive_init.therm_r1[0]); - R2 = (s32)le32_to_cpu(priv->card_alive_init.therm_r2[0]); - R3 = (s32)le32_to_cpu(priv->card_alive_init.therm_r3[0]); - } - - temp_th = CELSIUS_TO_KELVIN(TM_CT_KILL_THRESHOLD); + cmd.critical_temperature_R = + cpu_to_le32(priv->hw_params.ct_kill_threshold); - crit_temperature = ((temp_th * (R3-R1))/CT_LIMIT_CONST) + R2; - cmd.critical_temperature_R = cpu_to_le32(crit_temperature); ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, sizeof(cmd), &cmd); if (ret) IWL_ERROR("REPLY_CT_KILL_CONFIG_CMD failed\n"); else - IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded\n"); -} - -#ifdef CONFIG_IWL4965_SENSITIVITY - -/* "false alarms" are signals that our DSP tries to lock onto, - * but then determines that they are either noise, or transmissions - * from a distant wireless network (also "noise", really) that get - * "stepped on" by stronger transmissions within our own network. - * This algorithm attempts to set a sensitivity level that is high - * enough to receive all of our own network traffic, but not so - * high that our DSP gets too busy trying to lock onto non-network - * activity/noise. */ -static int iwl4965_sens_energy_cck(struct iwl_priv *priv, - u32 norm_fa, - u32 rx_enable_time, - struct statistics_general_data *rx_info) -{ - u32 max_nrg_cck = 0; - int i = 0; - u8 max_silence_rssi = 0; - u32 silence_ref = 0; - u8 silence_rssi_a = 0; - u8 silence_rssi_b = 0; - u8 silence_rssi_c = 0; - u32 val; - - /* "false_alarms" values below are cross-multiplications to assess the - * numbers of false alarms within the measured period of actual Rx - * (Rx is off when we're txing), vs the min/max expected false alarms - * (some should be expected if rx is sensitive enough) in a - * hypothetical listening period of 200 time units (TU), 204.8 msec: - * - * MIN_FA/fixed-time < false_alarms/actual-rx-time < MAX_FA/beacon-time - * - * */ - u32 false_alarms = norm_fa * 200 * 1024; - u32 max_false_alarms = MAX_FA_CCK * rx_enable_time; - u32 min_false_alarms = MIN_FA_CCK * rx_enable_time; - struct iwl4965_sensitivity_data *data = NULL; - - data = &(priv->sensitivity_data); - - data->nrg_auto_corr_silence_diff = 0; - - /* Find max silence rssi among all 3 receivers. - * This is background noise, which may include transmissions from other - * networks, measured during silence before our network's beacon */ - silence_rssi_a = (u8)((rx_info->beacon_silence_rssi_a & - ALL_BAND_FILTER) >> 8); - silence_rssi_b = (u8)((rx_info->beacon_silence_rssi_b & - ALL_BAND_FILTER) >> 8); - silence_rssi_c = (u8)((rx_info->beacon_silence_rssi_c & - ALL_BAND_FILTER) >> 8); - - val = max(silence_rssi_b, silence_rssi_c); - max_silence_rssi = max(silence_rssi_a, (u8) val); - - /* Store silence rssi in 20-beacon history table */ - data->nrg_silence_rssi[data->nrg_silence_idx] = max_silence_rssi; - data->nrg_silence_idx++; - if (data->nrg_silence_idx >= NRG_NUM_PREV_STAT_L) - data->nrg_silence_idx = 0; - - /* Find max silence rssi across 20 beacon history */ - for (i = 0; i < NRG_NUM_PREV_STAT_L; i++) { - val = data->nrg_silence_rssi[i]; - silence_ref = max(silence_ref, val); - } - IWL_DEBUG_CALIB("silence a %u, b %u, c %u, 20-bcn max %u\n", - silence_rssi_a, silence_rssi_b, silence_rssi_c, - silence_ref); - - /* Find max rx energy (min value!) among all 3 receivers, - * measured during beacon frame. - * Save it in 10-beacon history table. */ - i = data->nrg_energy_idx; - val = min(rx_info->beacon_energy_b, rx_info->beacon_energy_c); - data->nrg_value[i] = min(rx_info->beacon_energy_a, val); - - data->nrg_energy_idx++; - if (data->nrg_energy_idx >= 10) - data->nrg_energy_idx = 0; - - /* Find min rx energy (max value) across 10 beacon history. - * This is the minimum signal level that we want to receive well. - * Add backoff (margin so we don't miss slightly lower energy frames). - * This establishes an upper bound (min value) for energy threshold. */ - max_nrg_cck = data->nrg_value[0]; - for (i = 1; i < 10; i++) - max_nrg_cck = (u32) max(max_nrg_cck, (data->nrg_value[i])); - max_nrg_cck += 6; - - IWL_DEBUG_CALIB("rx energy a %u, b %u, c %u, 10-bcn max/min %u\n", - rx_info->beacon_energy_a, rx_info->beacon_energy_b, - rx_info->beacon_energy_c, max_nrg_cck - 6); - - /* Count number of consecutive beacons with fewer-than-desired - * false alarms. */ - if (false_alarms < min_false_alarms) - data->num_in_cck_no_fa++; - else - data->num_in_cck_no_fa = 0; - IWL_DEBUG_CALIB("consecutive bcns with few false alarms = %u\n", - data->num_in_cck_no_fa); - - /* If we got too many false alarms this time, reduce sensitivity */ - if (false_alarms > max_false_alarms) { - IWL_DEBUG_CALIB("norm FA %u > max FA %u\n", - false_alarms, max_false_alarms); - IWL_DEBUG_CALIB("... reducing sensitivity\n"); - data->nrg_curr_state = IWL_FA_TOO_MANY; - - if (data->auto_corr_cck > AUTO_CORR_MAX_TH_CCK) { - /* Store for "fewer than desired" on later beacon */ - data->nrg_silence_ref = silence_ref; - - /* increase energy threshold (reduce nrg value) - * to decrease sensitivity */ - if (data->nrg_th_cck > (NRG_MAX_CCK + NRG_STEP_CCK)) - data->nrg_th_cck = data->nrg_th_cck - - NRG_STEP_CCK; - } - - /* increase auto_corr values to decrease sensitivity */ - if (data->auto_corr_cck < AUTO_CORR_MAX_TH_CCK) - data->auto_corr_cck = AUTO_CORR_MAX_TH_CCK + 1; - else { - val = data->auto_corr_cck + AUTO_CORR_STEP_CCK; - data->auto_corr_cck = min((u32)AUTO_CORR_MAX_CCK, val); - } - val = data->auto_corr_cck_mrc + AUTO_CORR_STEP_CCK; - data->auto_corr_cck_mrc = min((u32)AUTO_CORR_MAX_CCK_MRC, val); - - /* Else if we got fewer than desired, increase sensitivity */ - } else if (false_alarms < min_false_alarms) { - data->nrg_curr_state = IWL_FA_TOO_FEW; - - /* Compare silence level with silence level for most recent - * healthy number or too many false alarms */ - data->nrg_auto_corr_silence_diff = (s32)data->nrg_silence_ref - - (s32)silence_ref; - - IWL_DEBUG_CALIB("norm FA %u < min FA %u, silence diff %d\n", - false_alarms, min_false_alarms, - data->nrg_auto_corr_silence_diff); - - /* Increase value to increase sensitivity, but only if: - * 1a) previous beacon did *not* have *too many* false alarms - * 1b) AND there's a significant difference in Rx levels - * from a previous beacon with too many, or healthy # FAs - * OR 2) We've seen a lot of beacons (100) with too few - * false alarms */ - if ((data->nrg_prev_state != IWL_FA_TOO_MANY) && - ((data->nrg_auto_corr_silence_diff > NRG_DIFF) || - (data->num_in_cck_no_fa > MAX_NUMBER_CCK_NO_FA))) { - - IWL_DEBUG_CALIB("... increasing sensitivity\n"); - /* Increase nrg value to increase sensitivity */ - val = data->nrg_th_cck + NRG_STEP_CCK; - data->nrg_th_cck = min((u32)NRG_MIN_CCK, val); - - /* Decrease auto_corr values to increase sensitivity */ - val = data->auto_corr_cck - AUTO_CORR_STEP_CCK; - data->auto_corr_cck = max((u32)AUTO_CORR_MIN_CCK, val); - - val = data->auto_corr_cck_mrc - AUTO_CORR_STEP_CCK; - data->auto_corr_cck_mrc = - max((u32)AUTO_CORR_MIN_CCK_MRC, val); - - } else - IWL_DEBUG_CALIB("... but not changing sensitivity\n"); - - /* Else we got a healthy number of false alarms, keep status quo */ - } else { - IWL_DEBUG_CALIB(" FA in safe zone\n"); - data->nrg_curr_state = IWL_FA_GOOD_RANGE; - - /* Store for use in "fewer than desired" with later beacon */ - data->nrg_silence_ref = silence_ref; - - /* If previous beacon had too many false alarms, - * give it some extra margin by reducing sensitivity again - * (but don't go below measured energy of desired Rx) */ - if (IWL_FA_TOO_MANY == data->nrg_prev_state) { - IWL_DEBUG_CALIB("... increasing margin\n"); - data->nrg_th_cck -= NRG_MARGIN; - } - } - - /* Make sure the energy threshold does not go above the measured - * energy of the desired Rx signals (reduced by backoff margin), - * or else we might start missing Rx frames. - * Lower value is higher energy, so we use max()! - */ - data->nrg_th_cck = max(max_nrg_cck, data->nrg_th_cck); - IWL_DEBUG_CALIB("new nrg_th_cck %u\n", data->nrg_th_cck); - - data->nrg_prev_state = data->nrg_curr_state; - - return 0; -} - - -static int iwl4965_sens_auto_corr_ofdm(struct iwl_priv *priv, - u32 norm_fa, - u32 rx_enable_time) -{ - u32 val; - u32 false_alarms = norm_fa * 200 * 1024; - u32 max_false_alarms = MAX_FA_OFDM * rx_enable_time; - u32 min_false_alarms = MIN_FA_OFDM * rx_enable_time; - struct iwl4965_sensitivity_data *data = NULL; - - data = &(priv->sensitivity_data); - - /* If we got too many false alarms this time, reduce sensitivity */ - if (false_alarms > max_false_alarms) { - - IWL_DEBUG_CALIB("norm FA %u > max FA %u)\n", - false_alarms, max_false_alarms); - - val = data->auto_corr_ofdm + AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm = - min((u32)AUTO_CORR_MAX_OFDM, val); - - val = data->auto_corr_ofdm_mrc + AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm_mrc = - min((u32)AUTO_CORR_MAX_OFDM_MRC, val); - - val = data->auto_corr_ofdm_x1 + AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm_x1 = - min((u32)AUTO_CORR_MAX_OFDM_X1, val); - - val = data->auto_corr_ofdm_mrc_x1 + AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm_mrc_x1 = - min((u32)AUTO_CORR_MAX_OFDM_MRC_X1, val); - } - - /* Else if we got fewer than desired, increase sensitivity */ - else if (false_alarms < min_false_alarms) { - - IWL_DEBUG_CALIB("norm FA %u < min FA %u\n", - false_alarms, min_false_alarms); - - val = data->auto_corr_ofdm - AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm = - max((u32)AUTO_CORR_MIN_OFDM, val); - - val = data->auto_corr_ofdm_mrc - AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm_mrc = - max((u32)AUTO_CORR_MIN_OFDM_MRC, val); - - val = data->auto_corr_ofdm_x1 - AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm_x1 = - max((u32)AUTO_CORR_MIN_OFDM_X1, val); - - val = data->auto_corr_ofdm_mrc_x1 - AUTO_CORR_STEP_OFDM; - data->auto_corr_ofdm_mrc_x1 = - max((u32)AUTO_CORR_MIN_OFDM_MRC_X1, val); - } - - else - IWL_DEBUG_CALIB("min FA %u < norm FA %u < max FA %u OK\n", - min_false_alarms, false_alarms, max_false_alarms); - - return 0; -} - -static int iwl4965_sensitivity_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) -{ - /* We didn't cache the SKB; let the caller free it */ - return 1; -} - -/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ -static int iwl4965_sensitivity_write(struct iwl_priv *priv, u8 flags) -{ - struct iwl4965_sensitivity_cmd cmd ; - struct iwl4965_sensitivity_data *data = NULL; - struct iwl_host_cmd cmd_out = { - .id = SENSITIVITY_CMD, - .len = sizeof(struct iwl4965_sensitivity_cmd), - .meta.flags = flags, - .data = &cmd, - }; - int ret; - - data = &(priv->sensitivity_data); - - memset(&cmd, 0, sizeof(cmd)); - - cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX] = - cpu_to_le16((u16)data->auto_corr_ofdm); - cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX] = - cpu_to_le16((u16)data->auto_corr_ofdm_mrc); - cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX] = - cpu_to_le16((u16)data->auto_corr_ofdm_x1); - cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX] = - cpu_to_le16((u16)data->auto_corr_ofdm_mrc_x1); - - cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX] = - cpu_to_le16((u16)data->auto_corr_cck); - cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX] = - cpu_to_le16((u16)data->auto_corr_cck_mrc); - - cmd.table[HD_MIN_ENERGY_CCK_DET_INDEX] = - cpu_to_le16((u16)data->nrg_th_cck); - cmd.table[HD_MIN_ENERGY_OFDM_DET_INDEX] = - cpu_to_le16((u16)data->nrg_th_ofdm); - - cmd.table[HD_BARKER_CORR_TH_ADD_MIN_INDEX] = - __constant_cpu_to_le16(190); - cmd.table[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] = - __constant_cpu_to_le16(390); - cmd.table[HD_OFDM_ENERGY_TH_IN_INDEX] = - __constant_cpu_to_le16(62); - - IWL_DEBUG_CALIB("ofdm: ac %u mrc %u x1 %u mrc_x1 %u thresh %u\n", - data->auto_corr_ofdm, data->auto_corr_ofdm_mrc, - data->auto_corr_ofdm_x1, data->auto_corr_ofdm_mrc_x1, - data->nrg_th_ofdm); - - IWL_DEBUG_CALIB("cck: ac %u mrc %u thresh %u\n", - data->auto_corr_cck, data->auto_corr_cck_mrc, - data->nrg_th_cck); - - /* Update uCode's "work" table, and copy it to DSP */ - cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE; - - if (flags & CMD_ASYNC) - cmd_out.meta.u.callback = iwl4965_sensitivity_callback; - - /* Don't send command to uCode if nothing has changed */ - if (!memcmp(&cmd.table[0], &(priv->sensitivity_tbl[0]), - sizeof(u16)*HD_TABLE_SIZE)) { - IWL_DEBUG_CALIB("No change in SENSITIVITY_CMD\n"); - return 0; - } - - /* Copy table for comparison next time */ - memcpy(&(priv->sensitivity_tbl[0]), &(cmd.table[0]), - sizeof(u16)*HD_TABLE_SIZE); - - ret = iwl_send_cmd(priv, &cmd_out); - if (ret) - IWL_ERROR("SENSITIVITY_CMD failed\n"); - - return ret; -} - -void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags, u8 force) -{ - struct iwl4965_sensitivity_data *data = NULL; - int i; - int ret = 0; - - IWL_DEBUG_CALIB("Start iwl4965_init_sensitivity\n"); - - if (force) - memset(&(priv->sensitivity_tbl[0]), 0, - sizeof(u16)*HD_TABLE_SIZE); - - /* Clear driver's sensitivity algo data */ - data = &(priv->sensitivity_data); - memset(data, 0, sizeof(struct iwl4965_sensitivity_data)); - - data->num_in_cck_no_fa = 0; - data->nrg_curr_state = IWL_FA_TOO_MANY; - data->nrg_prev_state = IWL_FA_TOO_MANY; - data->nrg_silence_ref = 0; - data->nrg_silence_idx = 0; - data->nrg_energy_idx = 0; - - for (i = 0; i < 10; i++) - data->nrg_value[i] = 0; - - for (i = 0; i < NRG_NUM_PREV_STAT_L; i++) - data->nrg_silence_rssi[i] = 0; - - data->auto_corr_ofdm = 90; - data->auto_corr_ofdm_mrc = 170; - data->auto_corr_ofdm_x1 = 105; - data->auto_corr_ofdm_mrc_x1 = 220; - data->auto_corr_cck = AUTO_CORR_CCK_MIN_VAL_DEF; - data->auto_corr_cck_mrc = 200; - data->nrg_th_cck = 100; - data->nrg_th_ofdm = 100; - - data->last_bad_plcp_cnt_ofdm = 0; - data->last_fa_cnt_ofdm = 0; - data->last_bad_plcp_cnt_cck = 0; - data->last_fa_cnt_cck = 0; - - /* Clear prior Sensitivity command data to force send to uCode */ - if (force) - memset(&(priv->sensitivity_tbl[0]), 0, - sizeof(u16)*HD_TABLE_SIZE); - - ret |= iwl4965_sensitivity_write(priv, flags); - IWL_DEBUG_CALIB("<<return 0x%X\n", ret); - - return; + IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded, " + "critical temperature is %d\n", + cmd.critical_temperature_R); } +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB /* Reset differential Rx gains in NIC to prepare for chain noise calibration. * Called after every association, but this runs only once! * ... once chain noise is calibrated the first time, it's good forever. */ -void iwl4965_chain_noise_reset(struct iwl_priv *priv) +static void iwl4965_chain_noise_reset(struct iwl_priv *priv) { - struct iwl4965_chain_noise_data *data = NULL; + struct iwl_chain_noise_data *data = &(priv->chain_noise_data); - data = &(priv->chain_noise_data); if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) { struct iwl4965_calibration_cmd cmd; @@ -1452,357 +737,76 @@ void iwl4965_chain_noise_reset(struct iwl_priv *priv) cmd.diff_gain_a = 0; cmd.diff_gain_b = 0; cmd.diff_gain_c = 0; - iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD, - sizeof(cmd), &cmd, NULL); - msleep(4); + if (iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD, + sizeof(cmd), &cmd)) + IWL_ERROR("Could not send REPLY_PHY_CALIBRATION_CMD\n"); data->state = IWL_CHAIN_NOISE_ACCUMULATE; IWL_DEBUG_CALIB("Run chain_noise_calibrate\n"); } - return; } -/* - * Accumulate 20 beacons of signal and noise statistics for each of - * 3 receivers/antennas/rx-chains, then figure out: - * 1) Which antennas are connected. - * 2) Differential rx gain settings to balance the 3 receivers. - */ -static void iwl4965_noise_calibration(struct iwl_priv *priv, - struct iwl4965_notif_statistics *stat_resp) +static void iwl4965_gain_computation(struct iwl_priv *priv, + u32 *average_noise, + u16 min_average_noise_antenna_i, + u32 min_average_noise) { - struct iwl4965_chain_noise_data *data = NULL; - int ret = 0; - - u32 chain_noise_a; - u32 chain_noise_b; - u32 chain_noise_c; - u32 chain_sig_a; - u32 chain_sig_b; - u32 chain_sig_c; - u32 average_sig[NUM_RX_CHAINS] = {INITIALIZATION_VALUE}; - u32 average_noise[NUM_RX_CHAINS] = {INITIALIZATION_VALUE}; - u32 max_average_sig; - u16 max_average_sig_antenna_i; - u32 min_average_noise = MIN_AVERAGE_NOISE_MAX_VALUE; - u16 min_average_noise_antenna_i = INITIALIZATION_VALUE; - u16 i = 0; - u16 chan_num = INITIALIZATION_VALUE; - u32 band = INITIALIZATION_VALUE; - u32 active_chains = 0; - unsigned long flags; - struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general); - - data = &(priv->chain_noise_data); - - /* Accumulate just the first 20 beacons after the first association, - * then we're done forever. */ - if (data->state != IWL_CHAIN_NOISE_ACCUMULATE) { - if (data->state == IWL_CHAIN_NOISE_ALIVE) - IWL_DEBUG_CALIB("Wait for noise calib reset\n"); - return; - } - - spin_lock_irqsave(&priv->lock, flags); - if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) { - IWL_DEBUG_CALIB(" << Interference data unavailable\n"); - spin_unlock_irqrestore(&priv->lock, flags); - return; - } - - band = (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) ? 0 : 1; - chan_num = le16_to_cpu(priv->staging_rxon.channel); - - /* Make sure we accumulate data for just the associated channel - * (even if scanning). */ - if ((chan_num != (le32_to_cpu(stat_resp->flag) >> 16)) || - ((STATISTICS_REPLY_FLG_BAND_24G_MSK == - (stat_resp->flag & STATISTICS_REPLY_FLG_BAND_24G_MSK)) && band)) { - IWL_DEBUG_CALIB("Stats not from chan=%d, band=%d\n", - chan_num, band); - spin_unlock_irqrestore(&priv->lock, flags); - return; - } - - /* Accumulate beacon statistics values across 20 beacons */ - chain_noise_a = le32_to_cpu(rx_info->beacon_silence_rssi_a) & - IN_BAND_FILTER; - chain_noise_b = le32_to_cpu(rx_info->beacon_silence_rssi_b) & - IN_BAND_FILTER; - chain_noise_c = le32_to_cpu(rx_info->beacon_silence_rssi_c) & - IN_BAND_FILTER; - - chain_sig_a = le32_to_cpu(rx_info->beacon_rssi_a) & IN_BAND_FILTER; - chain_sig_b = le32_to_cpu(rx_info->beacon_rssi_b) & IN_BAND_FILTER; - chain_sig_c = le32_to_cpu(rx_info->beacon_rssi_c) & IN_BAND_FILTER; - - spin_unlock_irqrestore(&priv->lock, flags); - - data->beacon_count++; - - data->chain_noise_a = (chain_noise_a + data->chain_noise_a); - data->chain_noise_b = (chain_noise_b + data->chain_noise_b); - data->chain_noise_c = (chain_noise_c + data->chain_noise_c); - - data->chain_signal_a = (chain_sig_a + data->chain_signal_a); - data->chain_signal_b = (chain_sig_b + data->chain_signal_b); - data->chain_signal_c = (chain_sig_c + data->chain_signal_c); - - IWL_DEBUG_CALIB("chan=%d, band=%d, beacon=%d\n", chan_num, band, - data->beacon_count); - IWL_DEBUG_CALIB("chain_sig: a %d b %d c %d\n", - chain_sig_a, chain_sig_b, chain_sig_c); - IWL_DEBUG_CALIB("chain_noise: a %d b %d c %d\n", - chain_noise_a, chain_noise_b, chain_noise_c); - - /* If this is the 20th beacon, determine: - * 1) Disconnected antennas (using signal strengths) - * 2) Differential gain (using silence noise) to balance receivers */ - if (data->beacon_count == CAL_NUM_OF_BEACONS) { - - /* Analyze signal for disconnected antenna */ - average_sig[0] = (data->chain_signal_a) / CAL_NUM_OF_BEACONS; - average_sig[1] = (data->chain_signal_b) / CAL_NUM_OF_BEACONS; - average_sig[2] = (data->chain_signal_c) / CAL_NUM_OF_BEACONS; - - if (average_sig[0] >= average_sig[1]) { - max_average_sig = average_sig[0]; - max_average_sig_antenna_i = 0; - active_chains = (1 << max_average_sig_antenna_i); - } else { - max_average_sig = average_sig[1]; - max_average_sig_antenna_i = 1; - active_chains = (1 << max_average_sig_antenna_i); - } - - if (average_sig[2] >= max_average_sig) { - max_average_sig = average_sig[2]; - max_average_sig_antenna_i = 2; - active_chains = (1 << max_average_sig_antenna_i); - } - - IWL_DEBUG_CALIB("average_sig: a %d b %d c %d\n", - average_sig[0], average_sig[1], average_sig[2]); - IWL_DEBUG_CALIB("max_average_sig = %d, antenna %d\n", - max_average_sig, max_average_sig_antenna_i); - - /* Compare signal strengths for all 3 receivers. */ - for (i = 0; i < NUM_RX_CHAINS; i++) { - if (i != max_average_sig_antenna_i) { - s32 rssi_delta = (max_average_sig - - average_sig[i]); - - /* If signal is very weak, compared with - * strongest, mark it as disconnected. */ - if (rssi_delta > MAXIMUM_ALLOWED_PATHLOSS) - data->disconn_array[i] = 1; - else - active_chains |= (1 << i); - IWL_DEBUG_CALIB("i = %d rssiDelta = %d " - "disconn_array[i] = %d\n", - i, rssi_delta, data->disconn_array[i]); - } - } - - /*If both chains A & B are disconnected - - * connect B and leave A as is */ - if (data->disconn_array[CHAIN_A] && - data->disconn_array[CHAIN_B]) { - data->disconn_array[CHAIN_B] = 0; - active_chains |= (1 << CHAIN_B); - IWL_DEBUG_CALIB("both A & B chains are disconnected! " - "W/A - declare B as connected\n"); - } - - IWL_DEBUG_CALIB("active_chains (bitwise) = 0x%x\n", - active_chains); - - /* Save for use within RXON, TX, SCAN commands, etc. */ - priv->valid_antenna = active_chains; - - /* Analyze noise for rx balance */ - average_noise[0] = ((data->chain_noise_a)/CAL_NUM_OF_BEACONS); - average_noise[1] = ((data->chain_noise_b)/CAL_NUM_OF_BEACONS); - average_noise[2] = ((data->chain_noise_c)/CAL_NUM_OF_BEACONS); - - for (i = 0; i < NUM_RX_CHAINS; i++) { - if (!(data->disconn_array[i]) && - (average_noise[i] <= min_average_noise)) { - /* This means that chain i is active and has - * lower noise values so far: */ - min_average_noise = average_noise[i]; - min_average_noise_antenna_i = i; - } - } + int i, ret; + struct iwl_chain_noise_data *data = &priv->chain_noise_data; - data->delta_gain_code[min_average_noise_antenna_i] = 0; + data->delta_gain_code[min_average_noise_antenna_i] = 0; - IWL_DEBUG_CALIB("average_noise: a %d b %d c %d\n", - average_noise[0], average_noise[1], - average_noise[2]); + for (i = 0; i < NUM_RX_CHAINS; i++) { + s32 delta_g = 0; - IWL_DEBUG_CALIB("min_average_noise = %d, antenna %d\n", - min_average_noise, min_average_noise_antenna_i); - - for (i = 0; i < NUM_RX_CHAINS; i++) { - s32 delta_g = 0; - - if (!(data->disconn_array[i]) && - (data->delta_gain_code[i] == + if (!(data->disconn_array[i]) && + (data->delta_gain_code[i] == CHAIN_NOISE_DELTA_GAIN_INIT_VAL)) { - delta_g = average_noise[i] - min_average_noise; - data->delta_gain_code[i] = (u8)((delta_g * - 10) / 15); - if (CHAIN_NOISE_MAX_DELTA_GAIN_CODE < - data->delta_gain_code[i]) - data->delta_gain_code[i] = - CHAIN_NOISE_MAX_DELTA_GAIN_CODE; - - data->delta_gain_code[i] = - (data->delta_gain_code[i] | (1 << 2)); - } else - data->delta_gain_code[i] = 0; - } - IWL_DEBUG_CALIB("delta_gain_codes: a %d b %d c %d\n", - data->delta_gain_code[0], - data->delta_gain_code[1], - data->delta_gain_code[2]); - - /* Differential gain gets sent to uCode only once */ - if (!data->radio_write) { - struct iwl4965_calibration_cmd cmd; - data->radio_write = 1; - - memset(&cmd, 0, sizeof(cmd)); - cmd.opCode = PHY_CALIBRATE_DIFF_GAIN_CMD; - cmd.diff_gain_a = data->delta_gain_code[0]; - cmd.diff_gain_b = data->delta_gain_code[1]; - cmd.diff_gain_c = data->delta_gain_code[2]; - ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD, - sizeof(cmd), &cmd); - if (ret) - IWL_DEBUG_CALIB("fail sending cmd " - "REPLY_PHY_CALIBRATION_CMD \n"); - - /* TODO we might want recalculate - * rx_chain in rxon cmd */ - - /* Mark so we run this algo only once! */ - data->state = IWL_CHAIN_NOISE_CALIBRATED; + delta_g = average_noise[i] - min_average_noise; + data->delta_gain_code[i] = (u8)((delta_g * 10) / 15); + data->delta_gain_code[i] = + min(data->delta_gain_code[i], + (u8) CHAIN_NOISE_MAX_DELTA_GAIN_CODE); + + data->delta_gain_code[i] = + (data->delta_gain_code[i] | (1 << 2)); + } else { + data->delta_gain_code[i] = 0; } - data->chain_noise_a = 0; - data->chain_noise_b = 0; - data->chain_noise_c = 0; - data->chain_signal_a = 0; - data->chain_signal_b = 0; - data->chain_signal_c = 0; - data->beacon_count = 0; - } - return; -} - -static void iwl4965_sensitivity_calibration(struct iwl_priv *priv, - struct iwl4965_notif_statistics *resp) -{ - u32 rx_enable_time; - u32 fa_cck; - u32 fa_ofdm; - u32 bad_plcp_cck; - u32 bad_plcp_ofdm; - u32 norm_fa_ofdm; - u32 norm_fa_cck; - struct iwl4965_sensitivity_data *data = NULL; - struct statistics_rx_non_phy *rx_info = &(resp->rx.general); - struct statistics_rx *statistics = &(resp->rx); - unsigned long flags; - struct statistics_general_data statis; - int ret; - - data = &(priv->sensitivity_data); - - if (!iwl_is_associated(priv)) { - IWL_DEBUG_CALIB("<< - not associated\n"); - return; - } - - spin_lock_irqsave(&priv->lock, flags); - if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) { - IWL_DEBUG_CALIB("<< invalid data.\n"); - spin_unlock_irqrestore(&priv->lock, flags); - return; - } - - /* Extract Statistics: */ - rx_enable_time = le32_to_cpu(rx_info->channel_load); - fa_cck = le32_to_cpu(statistics->cck.false_alarm_cnt); - fa_ofdm = le32_to_cpu(statistics->ofdm.false_alarm_cnt); - bad_plcp_cck = le32_to_cpu(statistics->cck.plcp_err); - bad_plcp_ofdm = le32_to_cpu(statistics->ofdm.plcp_err); - - statis.beacon_silence_rssi_a = - le32_to_cpu(statistics->general.beacon_silence_rssi_a); - statis.beacon_silence_rssi_b = - le32_to_cpu(statistics->general.beacon_silence_rssi_b); - statis.beacon_silence_rssi_c = - le32_to_cpu(statistics->general.beacon_silence_rssi_c); - statis.beacon_energy_a = - le32_to_cpu(statistics->general.beacon_energy_a); - statis.beacon_energy_b = - le32_to_cpu(statistics->general.beacon_energy_b); - statis.beacon_energy_c = - le32_to_cpu(statistics->general.beacon_energy_c); - - spin_unlock_irqrestore(&priv->lock, flags); - - IWL_DEBUG_CALIB("rx_enable_time = %u usecs\n", rx_enable_time); - - if (!rx_enable_time) { - IWL_DEBUG_CALIB("<< RX Enable Time == 0! \n"); - return; - } - - /* These statistics increase monotonically, and do not reset - * at each beacon. Calculate difference from last value, or just - * use the new statistics value if it has reset or wrapped around. */ - if (data->last_bad_plcp_cnt_cck > bad_plcp_cck) - data->last_bad_plcp_cnt_cck = bad_plcp_cck; - else { - bad_plcp_cck -= data->last_bad_plcp_cnt_cck; - data->last_bad_plcp_cnt_cck += bad_plcp_cck; - } - - if (data->last_bad_plcp_cnt_ofdm > bad_plcp_ofdm) - data->last_bad_plcp_cnt_ofdm = bad_plcp_ofdm; - else { - bad_plcp_ofdm -= data->last_bad_plcp_cnt_ofdm; - data->last_bad_plcp_cnt_ofdm += bad_plcp_ofdm; - } - - if (data->last_fa_cnt_ofdm > fa_ofdm) - data->last_fa_cnt_ofdm = fa_ofdm; - else { - fa_ofdm -= data->last_fa_cnt_ofdm; - data->last_fa_cnt_ofdm += fa_ofdm; - } - - if (data->last_fa_cnt_cck > fa_cck) - data->last_fa_cnt_cck = fa_cck; - else { - fa_cck -= data->last_fa_cnt_cck; - data->last_fa_cnt_cck += fa_cck; } + IWL_DEBUG_CALIB("delta_gain_codes: a %d b %d c %d\n", + data->delta_gain_code[0], + data->delta_gain_code[1], + data->delta_gain_code[2]); - /* Total aborted signal locks */ - norm_fa_ofdm = fa_ofdm + bad_plcp_ofdm; - norm_fa_cck = fa_cck + bad_plcp_cck; - - IWL_DEBUG_CALIB("cck: fa %u badp %u ofdm: fa %u badp %u\n", fa_cck, - bad_plcp_cck, fa_ofdm, bad_plcp_ofdm); - - iwl4965_sens_auto_corr_ofdm(priv, norm_fa_ofdm, rx_enable_time); - iwl4965_sens_energy_cck(priv, norm_fa_cck, rx_enable_time, &statis); - ret = iwl4965_sensitivity_write(priv, CMD_ASYNC); + /* Differential gain gets sent to uCode only once */ + if (!data->radio_write) { + struct iwl4965_calibration_cmd cmd; + data->radio_write = 1; - return; + memset(&cmd, 0, sizeof(cmd)); + cmd.opCode = PHY_CALIBRATE_DIFF_GAIN_CMD; + cmd.diff_gain_a = data->delta_gain_code[0]; + cmd.diff_gain_b = data->delta_gain_code[1]; + cmd.diff_gain_c = data->delta_gain_code[2]; + ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD, + sizeof(cmd), &cmd); + if (ret) + IWL_DEBUG_CALIB("fail sending cmd " + "REPLY_PHY_CALIBRATION_CMD \n"); + + /* TODO we might want recalculate + * rx_chain in rxon cmd */ + + /* Mark so we run this algo only once! */ + data->state = IWL_CHAIN_NOISE_CALIBRATED; + } + data->chain_noise_a = 0; + data->chain_noise_b = 0; + data->chain_noise_c = 0; + data->chain_signal_a = 0; + data->chain_signal_b = 0; + data->chain_signal_c = 0; + data->beacon_count = 0; } static void iwl4965_bg_sensitivity_work(struct work_struct *work) @@ -1819,21 +823,15 @@ static void iwl4965_bg_sensitivity_work(struct work_struct *work) } if (priv->start_calib) { - iwl4965_noise_calibration(priv, &priv->statistics); - - if (priv->sensitivity_data.state == - IWL_SENS_CALIB_NEED_REINIT) { - iwl4965_init_sensitivity(priv, CMD_ASYNC, 0); - priv->sensitivity_data.state = IWL_SENS_CALIB_ALLOWED; - } else - iwl4965_sensitivity_calibration(priv, - &priv->statistics); + iwl_chain_noise_calibration(priv, &priv->statistics); + + iwl_sensitivity_calibration(priv, &priv->statistics); } mutex_unlock(&priv->mutex); return; } -#endif /*CONFIG_IWL4965_SENSITIVITY*/ +#endif /*CONFIG_IWL4965_RUN_TIME_CALIB*/ static void iwl4965_bg_txpower_work(struct work_struct *work) { @@ -1880,7 +878,7 @@ static void iwl4965_set_wr_ptrs(struct iwl_priv *priv, int txq_id, u32 index) * NOTE: Acquire priv->lock before calling this function ! */ static void iwl4965_tx_queue_set_status(struct iwl_priv *priv, - struct iwl4965_tx_queue *txq, + struct iwl_tx_queue *txq, int tx_fifo_id, int scd_retry) { int txq_id = txq->q.id; @@ -1890,11 +888,11 @@ static void iwl4965_tx_queue_set_status(struct iwl_priv *priv, /* Set up and activate */ iwl_write_prph(priv, IWL49_SCD_QUEUE_STATUS_BITS(txq_id), - (active << SCD_QUEUE_STTS_REG_POS_ACTIVE) | - (tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) | - (scd_retry << SCD_QUEUE_STTS_REG_POS_WSL) | - (scd_retry << SCD_QUEUE_STTS_REG_POS_SCD_ACK) | - SCD_QUEUE_STTS_REG_MSK); + (active << IWL49_SCD_QUEUE_STTS_REG_POS_ACTIVE) | + (tx_fifo_id << IWL49_SCD_QUEUE_STTS_REG_POS_TXF) | + (scd_retry << IWL49_SCD_QUEUE_STTS_REG_POS_WSL) | + (scd_retry << IWL49_SCD_QUEUE_STTS_REG_POS_SCD_ACK) | + IWL49_SCD_QUEUE_STTS_REG_MSK); txq->sched_retry = scd_retry; @@ -1908,7 +906,7 @@ static const u16 default_queue_to_tx_fifo[] = { IWL_TX_FIFO_AC2, IWL_TX_FIFO_AC1, IWL_TX_FIFO_AC0, - IWL_CMD_FIFO_NUM, + IWL49_CMD_FIFO_NUM, IWL_TX_FIFO_HCCA_1, IWL_TX_FIFO_HCCA_2 }; @@ -1932,15 +930,15 @@ int iwl4965_alive_notify(struct iwl_priv *priv) spin_lock_irqsave(&priv->lock, flags); -#ifdef CONFIG_IWL4965_SENSITIVITY +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB memset(&(priv->sensitivity_data), 0, - sizeof(struct iwl4965_sensitivity_data)); + sizeof(struct iwl_sensitivity_data)); memset(&(priv->chain_noise_data), 0, - sizeof(struct iwl4965_chain_noise_data)); + sizeof(struct iwl_chain_noise_data)); for (i = 0; i < NUM_RX_CHAINS; i++) priv->chain_noise_data.delta_gain_code[i] = CHAIN_NOISE_DELTA_GAIN_INIT_VAL; -#endif /* CONFIG_IWL4965_SENSITIVITY*/ +#endif /* CONFIG_IWL4965_RUN_TIME_CALIB*/ ret = iwl_grab_nic_access(priv); if (ret) { spin_unlock_irqrestore(&priv->lock, flags); @@ -1949,10 +947,10 @@ int iwl4965_alive_notify(struct iwl_priv *priv) /* Clear 4965's internal Tx Scheduler data base */ priv->scd_base_addr = iwl_read_prph(priv, IWL49_SCD_SRAM_BASE_ADDR); - a = priv->scd_base_addr + SCD_CONTEXT_DATA_OFFSET; - for (; a < priv->scd_base_addr + SCD_TX_STTS_BITMAP_OFFSET; a += 4) + a = priv->scd_base_addr + IWL49_SCD_CONTEXT_DATA_OFFSET; + for (; a < priv->scd_base_addr + IWL49_SCD_TX_STTS_BITMAP_OFFSET; a += 4) iwl_write_targ_mem(priv, a, 0); - for (; a < priv->scd_base_addr + SCD_TRANSLATE_TBL_OFFSET; a += 4) + for (; a < priv->scd_base_addr + IWL49_SCD_TRANSLATE_TBL_OFFSET; a += 4) iwl_write_targ_mem(priv, a, 0); for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4) iwl_write_targ_mem(priv, a, 0); @@ -1974,18 +972,18 @@ int iwl4965_alive_notify(struct iwl_priv *priv) /* Max Tx Window size for Scheduler-ACK mode */ iwl_write_targ_mem(priv, priv->scd_base_addr + - SCD_CONTEXT_QUEUE_OFFSET(i), - (SCD_WIN_SIZE << - SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) & - SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK); + IWL49_SCD_CONTEXT_QUEUE_OFFSET(i), + (SCD_WIN_SIZE << + IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) & + IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK); /* Frame limit */ iwl_write_targ_mem(priv, priv->scd_base_addr + - SCD_CONTEXT_QUEUE_OFFSET(i) + - sizeof(u32), - (SCD_FRAME_LIMIT << - SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) & - SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK); + IWL49_SCD_CONTEXT_QUEUE_OFFSET(i) + + sizeof(u32), + (SCD_FRAME_LIMIT << + IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) & + IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK); } iwl_write_prph(priv, IWL49_SCD_INTERRUPT_MASK, @@ -2013,6 +1011,31 @@ int iwl4965_alive_notify(struct iwl_priv *priv) return ret; } +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB +static struct iwl_sensitivity_ranges iwl4965_sensitivity = { + .min_nrg_cck = 97, + .max_nrg_cck = 0, + + .auto_corr_min_ofdm = 85, + .auto_corr_min_ofdm_mrc = 170, + .auto_corr_min_ofdm_x1 = 105, + .auto_corr_min_ofdm_mrc_x1 = 220, + + .auto_corr_max_ofdm = 120, + .auto_corr_max_ofdm_mrc = 210, + .auto_corr_max_ofdm_x1 = 140, + .auto_corr_max_ofdm_mrc_x1 = 270, + + .auto_corr_min_cck = 125, + .auto_corr_max_cck = 200, + .auto_corr_min_cck_mrc = 200, + .auto_corr_max_cck_mrc = 400, + + .nrg_th_cck = 100, + .nrg_th_ofdm = 100, +}; +#endif + /** * iwl4965_hw_set_hw_params * @@ -2021,14 +1044,15 @@ int iwl4965_alive_notify(struct iwl_priv *priv) int iwl4965_hw_set_hw_params(struct iwl_priv *priv) { - if ((priv->cfg->mod_params->num_of_queues > IWL4965_MAX_NUM_QUEUES) || + if ((priv->cfg->mod_params->num_of_queues > IWL49_NUM_QUEUES) || (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) { IWL_ERROR("invalid queues_num, should be between %d and %d\n", - IWL_MIN_NUM_QUEUES, IWL4965_MAX_NUM_QUEUES); + IWL_MIN_NUM_QUEUES, IWL49_NUM_QUEUES); return -EINVAL; } priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues; + priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto; priv->hw_params.tx_cmd_len = sizeof(struct iwl4965_tx_cmd); priv->hw_params.max_rxq_size = RX_QUEUE_SIZE; priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG; @@ -2040,90 +1064,35 @@ int iwl4965_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.max_stations = IWL4965_STATION_COUNT; priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID; + priv->hw_params.max_data_size = IWL49_RTC_DATA_SIZE; + priv->hw_params.max_inst_size = IWL49_RTC_INST_SIZE; + priv->hw_params.max_bsm_size = BSM_SRAM_SIZE; + priv->hw_params.fat_channel = BIT(IEEE80211_BAND_5GHZ); + priv->hw_params.tx_chains_num = 2; priv->hw_params.rx_chains_num = 2; - priv->hw_params.valid_tx_ant = (IWL_ANTENNA_MAIN | IWL_ANTENNA_AUX); - priv->hw_params.valid_rx_ant = (IWL_ANTENNA_MAIN | IWL_ANTENNA_AUX); + priv->hw_params.valid_tx_ant = ANT_A | ANT_B; + priv->hw_params.valid_rx_ant = ANT_A | ANT_B; + priv->hw_params.ct_kill_threshold = CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD); - return 0; -} - -/** - * iwl4965_hw_txq_ctx_free - Free TXQ Context - * - * Destroy all TX DMA queues and structures - */ -void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv) -{ - int txq_id; - - /* Tx queues */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) - iwl4965_tx_queue_free(priv, &priv->txq[txq_id]); +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB + priv->hw_params.sens = &iwl4965_sensitivity; +#endif - /* Keep-warm buffer */ - iwl4965_kw_free(priv); + return 0; } -/** - * iwl4965_hw_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr] - * - * Does NOT advance any TFD circular buffer read/write indexes - * Does NOT free the TFD itself (which is within circular buffer) - */ -int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq) +/* set card power command */ +static int iwl4965_set_power(struct iwl_priv *priv, + void *cmd) { - struct iwl4965_tfd_frame *bd_tmp = (struct iwl4965_tfd_frame *)&txq->bd[0]; - struct iwl4965_tfd_frame *bd = &bd_tmp[txq->q.read_ptr]; - struct pci_dev *dev = priv->pci_dev; - int i; - int counter = 0; - int index, is_odd; - - /* Host command buffers stay mapped in memory, nothing to clean */ - if (txq->q.id == IWL_CMD_QUEUE_NUM) - return 0; - - /* Sanity check on number of chunks */ - counter = IWL_GET_BITS(*bd, num_tbs); - if (counter > MAX_NUM_OF_TBS) { - IWL_ERROR("Too many chunks: %i\n", counter); - /* @todo issue fatal error, it is quite serious situation */ - return 0; - } + int ret = 0; - /* Unmap chunks, if any. - * TFD info for odd chunks is different format than for even chunks. */ - for (i = 0; i < counter; i++) { - index = i / 2; - is_odd = i & 0x1; - - if (is_odd) - pci_unmap_single( - dev, - IWL_GET_BITS(bd->pa[index], tb2_addr_lo16) | - (IWL_GET_BITS(bd->pa[index], - tb2_addr_hi20) << 16), - IWL_GET_BITS(bd->pa[index], tb2_len), - PCI_DMA_TODEVICE); - - else if (i > 0) - pci_unmap_single(dev, - le32_to_cpu(bd->pa[index].tb1_addr), - IWL_GET_BITS(bd->pa[index], tb1_len), - PCI_DMA_TODEVICE); - - /* Free SKB, if any, for this chunk */ - if (txq->txb[txq->q.read_ptr].skb[i]) { - struct sk_buff *skb = txq->txb[txq->q.read_ptr].skb[i]; - - dev_kfree_skb(skb); - txq->txb[txq->q.read_ptr].skb[i] = NULL; - } - } - return 0; + ret = iwl_send_cmd_pdu_async(priv, POWER_TABLE_CMD, + sizeof(struct iwl4965_powertable_cmd), + cmd, NULL); + return ret; } - int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power) { IWL_ERROR("TODO: Implement iwl4965_hw_reg_set_txpower!\n"); @@ -2224,11 +1193,11 @@ static u32 iwl4965_get_sub_band(const struct iwl_priv *priv, u32 channel) s32 b = -1; for (b = 0; b < EEPROM_TX_POWER_BANDS; b++) { - if (priv->eeprom.calib_info.band_info[b].ch_from == 0) + if (priv->calib_info->band_info[b].ch_from == 0) continue; - if ((channel >= priv->eeprom.calib_info.band_info[b].ch_from) - && (channel <= priv->eeprom.calib_info.band_info[b].ch_to)) + if ((channel >= priv->calib_info->band_info[b].ch_from) + && (channel <= priv->calib_info->band_info[b].ch_to)) break; } @@ -2256,14 +1225,14 @@ static s32 iwl4965_interpolate_value(s32 x, s32 x1, s32 y1, s32 x2, s32 y2) * in channel number. */ static int iwl4965_interpolate_chan(struct iwl_priv *priv, u32 channel, - struct iwl4965_eeprom_calib_ch_info *chan_info) + struct iwl_eeprom_calib_ch_info *chan_info) { s32 s = -1; u32 c; u32 m; - const struct iwl4965_eeprom_calib_measure *m1; - const struct iwl4965_eeprom_calib_measure *m2; - struct iwl4965_eeprom_calib_measure *omeas; + const struct iwl_eeprom_calib_measure *m1; + const struct iwl_eeprom_calib_measure *m2; + struct iwl_eeprom_calib_measure *omeas; u32 ch_i1; u32 ch_i2; @@ -2273,8 +1242,8 @@ static int iwl4965_interpolate_chan(struct iwl_priv *priv, u32 channel, return -1; } - ch_i1 = priv->eeprom.calib_info.band_info[s].ch1.ch_num; - ch_i2 = priv->eeprom.calib_info.band_info[s].ch2.ch_num; + ch_i1 = priv->calib_info->band_info[s].ch1.ch_num; + ch_i2 = priv->calib_info->band_info[s].ch2.ch_num; chan_info->ch_num = (u8) channel; IWL_DEBUG_TXPOWER("channel %d subband %d factory cal ch %d & %d\n", @@ -2282,9 +1251,9 @@ static int iwl4965_interpolate_chan(struct iwl_priv *priv, u32 channel, for (c = 0; c < EEPROM_TX_POWER_TX_CHAINS; c++) { for (m = 0; m < EEPROM_TX_POWER_MEASUREMENTS; m++) { - m1 = &(priv->eeprom.calib_info.band_info[s].ch1. + m1 = &(priv->calib_info->band_info[s].ch1. measurements[c][m]); - m2 = &(priv->eeprom.calib_info.band_info[s].ch2. + m2 = &(priv->calib_info->band_info[s].ch2. measurements[c][m]); omeas = &(chan_info->measurements[c][m]); @@ -2603,8 +1572,8 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel, int i; int c; const struct iwl_channel_info *ch_info = NULL; - struct iwl4965_eeprom_calib_ch_info ch_eeprom_info; - const struct iwl4965_eeprom_calib_measure *measurement; + struct iwl_eeprom_calib_ch_info ch_eeprom_info; + const struct iwl_eeprom_calib_measure *measurement; s16 voltage; s32 init_voltage; s32 voltage_compensation; @@ -2661,9 +1630,9 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel, /* hardware txpower limits ... * saturation (clipping distortion) txpowers are in half-dBm */ if (band) - saturation_power = priv->eeprom.calib_info.saturation_power24; + saturation_power = priv->calib_info->saturation_power24; else - saturation_power = priv->eeprom.calib_info.saturation_power52; + saturation_power = priv->calib_info->saturation_power52; if (saturation_power < IWL_TX_POWER_SATURATION_MIN || saturation_power > IWL_TX_POWER_SATURATION_MAX) { @@ -2693,7 +1662,7 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel, iwl4965_interpolate_chan(priv, channel, &ch_eeprom_info); /* calculate tx gain adjustment based on power supply voltage */ - voltage = priv->eeprom.calib_info.voltage; + voltage = priv->calib_info->voltage; init_voltage = (s32)le32_to_cpu(priv->card_alive_init.voltage); voltage_compensation = iwl4965_get_voltage_compensation(voltage, init_voltage); @@ -3035,7 +2004,7 @@ void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, tx->rate_n_flags = iwl4965_hw_set_rate_n_flags(rate_plcp, rate_flags); } -int iwl4965_hw_get_rx_read(struct iwl_priv *priv) +static int iwl4965_shared_mem_rx_idx(struct iwl_priv *priv) { struct iwl4965_shared *s = priv->shared_virt; return le32_to_cpu(s->rb_closed) & 0xFFF; @@ -3078,46 +2047,11 @@ unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, return (sizeof(*tx_beacon_cmd) + frame_size); } -/* - * Tell 4965 where to find circular buffer of Tx Frame Descriptors for - * given Tx queue, and enable the DMA channel used for that queue. - * - * 4965 supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA - * channels supported in hardware. - */ -int iwl4965_hw_tx_queue_init(struct iwl_priv *priv, struct iwl4965_tx_queue *txq) -{ - int rc; - unsigned long flags; - int txq_id = txq->q.id; - - spin_lock_irqsave(&priv->lock, flags); - rc = iwl_grab_nic_access(priv); - if (rc) { - spin_unlock_irqrestore(&priv->lock, flags); - return rc; - } - - /* Circular buffer (TFD queue in DRAM) physical base address */ - iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id), - txq->q.dma_addr >> 8); - - /* Enable DMA channel, using same id as for TFD queue */ - iwl_write_direct32( - priv, IWL_FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), - IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | - IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->lock, flags); - - return 0; -} - int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *ptr, dma_addr_t addr, u16 len) { int index, is_odd; - struct iwl4965_tfd_frame *tfd = ptr; + struct iwl_tfd_frame *tfd = ptr; u32 num_tbs = IWL_GET_BITS(*tfd, num_tbs); /* Each TFD can point to a maximum 20 Tx buffers */ @@ -3147,26 +2081,35 @@ int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *ptr, return 0; } -static void iwl4965_hw_card_show_info(struct iwl_priv *priv) +static int iwl4965_alloc_shared_mem(struct iwl_priv *priv) { - u16 hw_version = priv->eeprom.board_revision_4965; + priv->shared_virt = pci_alloc_consistent(priv->pci_dev, + sizeof(struct iwl4965_shared), + &priv->shared_phys); + if (!priv->shared_virt) + return -ENOMEM; + + memset(priv->shared_virt, 0, sizeof(struct iwl4965_shared)); - IWL_DEBUG_INFO("4965ABGN HW Version %u.%u.%u\n", - ((hw_version >> 8) & 0x0F), - ((hw_version >> 8) >> 4), (hw_version & 0x00FF)); + priv->rb_closed_offset = offsetof(struct iwl4965_shared, rb_closed); - IWL_DEBUG_INFO("4965ABGN PBA Number %.16s\n", - priv->eeprom.board_pba_number_4965); + return 0; } -#define IWL_TX_CRC_SIZE 4 -#define IWL_TX_DELIMITER_SIZE 4 +static void iwl4965_free_shared_mem(struct iwl_priv *priv) +{ + if (priv->shared_virt) + pci_free_consistent(priv->pci_dev, + sizeof(struct iwl4965_shared), + priv->shared_virt, + priv->shared_phys); +} /** * iwl4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array */ static void iwl4965_txq_update_byte_cnt_tbl(struct iwl_priv *priv, - struct iwl4965_tx_queue *txq, + struct iwl_tx_queue *txq, u16 byte_cnt) { int len; @@ -3180,50 +2123,13 @@ static void iwl4965_txq_update_byte_cnt_tbl(struct iwl_priv *priv, tfd_offset[txq->q.write_ptr], byte_cnt, len); /* If within first 64 entries, duplicate at end */ - if (txq->q.write_ptr < IWL4965_MAX_WIN_SIZE) + if (txq->q.write_ptr < IWL49_MAX_WIN_SIZE) IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id]. - tfd_offset[IWL4965_QUEUE_SIZE + txq->q.write_ptr], + tfd_offset[IWL49_QUEUE_SIZE + txq->q.write_ptr], byte_cnt, len); } /** - * iwl4965_set_rxon_chain - Set up Rx chain usage in "staging" RXON image - * - * Selects how many and which Rx receivers/antennas/chains to use. - * This should not be used for scan command ... it puts data in wrong place. - */ -void iwl4965_set_rxon_chain(struct iwl_priv *priv) -{ - u8 is_single = is_single_stream(priv); - u8 idle_state, rx_state; - - priv->staging_rxon.rx_chain = 0; - rx_state = idle_state = 3; - - /* Tell uCode which antennas are actually connected. - * Before first association, we assume all antennas are connected. - * Just after first association, iwl4965_noise_calibration() - * checks which antennas actually *are* connected. */ - priv->staging_rxon.rx_chain |= - cpu_to_le16(priv->valid_antenna << RXON_RX_CHAIN_VALID_POS); - - /* How many receivers should we use? */ - iwl4965_get_rx_chain_counter(priv, &idle_state, &rx_state); - priv->staging_rxon.rx_chain |= - cpu_to_le16(rx_state << RXON_RX_CHAIN_MIMO_CNT_POS); - priv->staging_rxon.rx_chain |= - cpu_to_le16(idle_state << RXON_RX_CHAIN_CNT_POS); - - if (!is_single && (rx_state >= 2) && - !test_bit(STATUS_POWER_PMI, &priv->status)) - priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK; - else - priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK; - - IWL_DEBUG_ASSOC("rx chain %X\n", priv->staging_rxon.rx_chain); -} - -/** * sign_extend - Sign extend a value using specified bit as sign-bit * * Example: sign_extend(9, 3) would return -7 as bit3 of 1001b is 1 @@ -3383,9 +2289,10 @@ static void iwl4965_rx_calc_noise(struct iwl_priv *priv) priv->last_rx_noise); } -void iwl4965_hw_rx_statistics(struct iwl_priv *priv, struct iwl4965_rx_mem_buffer *rxb) +void iwl4965_hw_rx_statistics(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb) { - struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; int change; s32 temp; @@ -3412,7 +2319,7 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv, struct iwl4965_rx_mem_buffe if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) && (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) { iwl4965_rx_calc_noise(priv); -#ifdef CONFIG_IWL4965_SENSITIVITY +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB queue_work(priv->workqueue, &priv->sensitivity_work); #endif } @@ -3455,7 +2362,7 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv, struct ieee80211_rx_status *stats, u32 ampdu_status) { - s8 signal = stats->ssi; + s8 signal = stats->signal; s8 noise = 0; int rate = stats->rate_idx; u64 tsf = stats->mactime; @@ -3562,7 +2469,54 @@ static void iwl_update_rx_stats(struct iwl_priv *priv, u16 fc, u16 len) priv->rx_stats[idx].bytes += len; } -static u32 iwl4965_translate_rx_status(u32 decrypt_in) +/* + * returns non-zero if packet should be dropped + */ +static int iwl4965_set_decrypted_flag(struct iwl_priv *priv, + struct ieee80211_hdr *hdr, + u32 decrypt_res, + struct ieee80211_rx_status *stats) +{ + u16 fc = le16_to_cpu(hdr->frame_control); + + if (priv->active_rxon.filter_flags & RXON_FILTER_DIS_DECRYPT_MSK) + return 0; + + if (!(fc & IEEE80211_FCTL_PROTECTED)) + return 0; + + IWL_DEBUG_RX("decrypt_res:0x%x\n", decrypt_res); + switch (decrypt_res & RX_RES_STATUS_SEC_TYPE_MSK) { + case RX_RES_STATUS_SEC_TYPE_TKIP: + /* The uCode has got a bad phase 1 Key, pushes the packet. + * Decryption will be done in SW. */ + if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) == + RX_RES_STATUS_BAD_KEY_TTAK) + break; + + if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) == + RX_RES_STATUS_BAD_ICV_MIC) { + /* bad ICV, the packet is destroyed since the + * decryption is inplace, drop it */ + IWL_DEBUG_RX("Packet destroyed\n"); + return -1; + } + case RX_RES_STATUS_SEC_TYPE_WEP: + case RX_RES_STATUS_SEC_TYPE_CCMP: + if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) == + RX_RES_STATUS_DECRYPT_OK) { + IWL_DEBUG_RX("hw decrypt successfully!!!\n"); + stats->flag |= RX_FLAG_DECRYPTED; + } + break; + + default: + break; + } + return 0; +} + +static u32 iwl4965_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) { u32 decrypt_out = 0; @@ -3623,10 +2577,10 @@ static u32 iwl4965_translate_rx_status(u32 decrypt_in) static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data, int include_phy, - struct iwl4965_rx_mem_buffer *rxb, + struct iwl_rx_mem_buffer *rxb, struct ieee80211_rx_status *stats) { - struct iwl4965_rx_packet *pkt = (struct iwl4965_rx_packet *)rxb->skb->data; + struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; struct iwl4965_rx_phy_res *rx_start = (include_phy) ? (struct iwl4965_rx_phy_res *)&(pkt->u.raw[0]) : NULL; struct ieee80211_hdr *hdr; @@ -3663,7 +2617,9 @@ static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data, rx_start->byte_count = amsdu->byte_count; rx_end = (__le32 *) (((u8 *) hdr) + len); } - if (len > priv->hw_params.max_pkt_size || len < 16) { + /* In monitor mode allow 802.11 ACk frames (10 bytes) */ + if (len > priv->hw_params.max_pkt_size || + len < ((priv->iw_mode == IEEE80211_IF_TYPE_MNTR) ? 10 : 16)) { IWL_WARNING("byte count out of range [16,4K] : %d\n", len); return; } @@ -3674,7 +2630,7 @@ static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data, if (!include_phy) { /* New status scheme, need to translate */ ampdu_status_legacy = ampdu_status; - ampdu_status = iwl4965_translate_rx_status(ampdu_status); + ampdu_status = iwl4965_translate_rx_status(priv, ampdu_status); } /* start from MAC */ @@ -3691,8 +2647,10 @@ static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data, stats->flag = 0; hdr = (struct ieee80211_hdr *)rxb->skb->data; - if (!priv->cfg->mod_params->sw_crypto) - iwl4965_set_decrypted_flag(priv, rxb->skb, ampdu_status, stats); + /* in case of HW accelerated crypto and bad decryption, drop */ + if (!priv->hw_params.sw_crypto && + iwl4965_set_decrypted_flag(priv, hdr, ampdu_status, stats)) + return; if (priv->add_radiotap) iwl4965_add_radiotap(priv, rxb->skb, rx_start, stats, ampdu_status); @@ -3704,7 +2662,8 @@ static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data, } /* Calc max signal level (dBm) among 3 possible receivers */ -static int iwl4965_calc_rssi(struct iwl4965_rx_phy_res *rx_resp) +static int iwl4965_calc_rssi(struct iwl_priv *priv, + struct iwl4965_rx_phy_res *rx_resp) { /* data from PHY/DSP regarding signal strength, etc., * contents are always there, not configurable by host. */ @@ -3737,38 +2696,6 @@ static int iwl4965_calc_rssi(struct iwl4965_rx_phy_res *rx_resp) return (max_rssi - agc - IWL_RSSI_OFFSET); } -#ifdef CONFIG_IWL4965_HT - -void iwl4965_init_ht_hw_capab(struct iwl_priv *priv, - struct ieee80211_ht_info *ht_info, - enum ieee80211_band band) -{ - ht_info->cap = 0; - memset(ht_info->supp_mcs_set, 0, 16); - - ht_info->ht_supported = 1; - - if (band == IEEE80211_BAND_5GHZ) { - ht_info->cap |= (u16)IEEE80211_HT_CAP_SUP_WIDTH; - ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_40; - ht_info->supp_mcs_set[4] = 0x01; - } - ht_info->cap |= (u16)IEEE80211_HT_CAP_GRN_FLD; - ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_20; - ht_info->cap |= (u16)(IEEE80211_HT_CAP_MIMO_PS & - (IWL_MIMO_PS_NONE << 2)); - - if (priv->cfg->mod_params->amsdu_size_8K) - ht_info->cap |= (u16)IEEE80211_HT_CAP_MAX_AMSDU; - - ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; - ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; - - ht_info->supp_mcs_set[0] = 0xFF; - ht_info->supp_mcs_set[1] = 0xFF; -} -#endif /* CONFIG_IWL4965_HT */ - static void iwl4965_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) { unsigned long flags; @@ -3780,13 +2707,13 @@ static void iwl4965_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC); + iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); } static void iwl4965_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr) { /* FIXME: need locking over ps_status ??? */ - u8 sta_id = iwl4965_hw_find_station(priv, addr); + u8 sta_id = iwl_find_station(priv, addr); if (sta_id != IWL_INVALID_STATION) { u8 sta_awake = priv->stations[sta_id]. @@ -3813,7 +2740,7 @@ static void iwl4965_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr) * proper operation with 4965. */ static void iwl4965_dbg_report_frame(struct iwl_priv *priv, - struct iwl4965_rx_packet *pkt, + struct iwl_rx_packet *pkt, struct ieee80211_hdr *header, int group100) { u32 to_us; @@ -3840,7 +2767,7 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv, struct iwl4965_rx_frame_end *rx_end = IWL_RX_END(pkt); u8 *data = IWL_RX_DATA(pkt); - if (likely(!(iwl_debug_level & IWL_DL_RX))) + if (likely(!(priv->debug_level & IWL_DL_RX))) return; /* MAC header */ @@ -3943,11 +2870,11 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv, } } if (print_dump) - iwl_print_hex_dump(IWL_DL_RX, data, length); + iwl_print_hex_dump(priv, IWL_DL_RX, data, length); } #else static inline void iwl4965_dbg_report_frame(struct iwl_priv *priv, - struct iwl4965_rx_packet *pkt, + struct iwl_rx_packet *pkt, struct ieee80211_hdr *header, int group100) { @@ -3959,11 +2886,11 @@ static inline void iwl4965_dbg_report_frame(struct iwl_priv *priv, /* Called for REPLY_RX (legacy ABG frames), or * REPLY_RX_MPDU_CMD (HT high-throughput N frames). */ static void iwl4965_rx_reply_rx(struct iwl_priv *priv, - struct iwl4965_rx_mem_buffer *rxb) + struct iwl_rx_mem_buffer *rxb) { struct ieee80211_hdr *header; struct ieee80211_rx_status rx_status; - struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; /* Use phy data (Rx signal strength, etc.) contained within * this rx packet for legacy frames, * or phy data cached from REPLY_RX_PHY_CMD for HT frames. */ @@ -4036,7 +2963,7 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv, priv->ucode_beacon_time = le32_to_cpu(rx_start->beacon_time_stamp); /* Find max signal strength (dBm) among 3 antenna/receiver chains */ - rx_status.ssi = iwl4965_calc_rssi(rx_start); + rx_status.signal = iwl4965_calc_rssi(priv, rx_start); /* Meaningful noise values are available only from beacon statistics, * which are gathered only when associated, and indicate noise @@ -4045,11 +2972,11 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv, if (iwl_is_associated(priv) && !test_bit(STATUS_SCANNING, &priv->status)) { rx_status.noise = priv->last_rx_noise; - rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi, + rx_status.qual = iwl4965_calc_sig_qual(rx_status.signal, rx_status.noise); } else { rx_status.noise = IWL_NOISE_MEAS_NOT_AVAILABLE; - rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi, 0); + rx_status.qual = iwl4965_calc_sig_qual(rx_status.signal, 0); } /* Reset beacon noise level if not associated. */ @@ -4061,12 +2988,19 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv, iwl4965_dbg_report_frame(priv, pkt, header, 1); IWL_DEBUG_STATS_LIMIT("Rssi %d, noise %d, qual %d, TSF %llu\n", - rx_status.ssi, rx_status.noise, rx_status.signal, + rx_status.signal, rx_status.noise, rx_status.signal, (unsigned long long)rx_status.mactime); + + if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) { + iwl4965_handle_data_packet(priv, 1, include_phy, + rxb, &rx_status); + return; + } + network_packet = iwl4965_is_network_packet(priv, header); if (network_packet) { - priv->last_rx_rssi = rx_status.ssi; + priv->last_rx_rssi = rx_status.signal; priv->last_beacon_time = priv->ucode_beacon_time; priv->last_tsf = le64_to_cpu(rx_start->timestamp); } @@ -4128,19 +3062,19 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv, /* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD). * This will be used later in iwl4965_rx_reply_rx() for REPLY_RX_MPDU_CMD. */ static void iwl4965_rx_reply_rx_phy(struct iwl_priv *priv, - struct iwl4965_rx_mem_buffer *rxb) + struct iwl_rx_mem_buffer *rxb) { - struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; priv->last_phy_res[0] = 1; memcpy(&priv->last_phy_res[1], &(pkt->u.raw[0]), sizeof(struct iwl4965_rx_phy_res)); } static void iwl4965_rx_missed_beacon_notif(struct iwl_priv *priv, - struct iwl4965_rx_mem_buffer *rxb) + struct iwl_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWL4965_SENSITIVITY - struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data; +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB + struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; struct iwl4965_missed_beacon_notif *missed_beacon; missed_beacon = &pkt->u.missed_beacon; @@ -4150,11 +3084,10 @@ static void iwl4965_rx_missed_beacon_notif(struct iwl_priv *priv, le32_to_cpu(missed_beacon->total_missed_becons), le32_to_cpu(missed_beacon->num_recvd_beacons), le32_to_cpu(missed_beacon->num_expected_beacons)); - priv->sensitivity_data.state = IWL_SENS_CALIB_NEED_REINIT; - if (unlikely(!test_bit(STATUS_SCANNING, &priv->status))) - queue_work(priv->workqueue, &priv->sensitivity_work); + if (!test_bit(STATUS_SCANNING, &priv->status)) + iwl_init_sensitivity(priv); } -#endif /*CONFIG_IWL4965_SENSITIVITY*/ +#endif /*CONFIG_IWL4965_RUN_TIME_CALIB*/ } #ifdef CONFIG_IWL4965_HT @@ -4173,7 +3106,7 @@ static void iwl4965_sta_modify_enable_tid_tx(struct iwl_priv *priv, priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC); + iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); } /** @@ -4183,7 +3116,7 @@ static void iwl4965_sta_modify_enable_tid_tx(struct iwl_priv *priv, * ACK vs. not. This gets sent to mac80211, then to rate scaling algo. */ static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv, - struct iwl4965_ht_agg *agg, + struct iwl_ht_agg *agg, struct iwl4965_compressed_ba_resp* ba_resp) @@ -4254,8 +3187,8 @@ static void iwl4965_tx_queue_stop_scheduler(struct iwl_priv *priv, * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */ iwl_write_prph(priv, IWL49_SCD_QUEUE_STATUS_BITS(txq_id), - (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)| - (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); + (0 << IWL49_SCD_QUEUE_STTS_REG_POS_ACTIVE)| + (1 << IWL49_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); } /** @@ -4300,7 +3233,7 @@ int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, { struct iwl4965_queue *q = &priv->txq[txq_id].q; u8 *addr = priv->stations[sta_id].sta.sta.addr; - struct iwl4965_tid_data *tid_data = &priv->stations[sta_id].tid[tid]; + struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid]; switch (priv->stations[sta_id].tid[tid].agg.state) { case IWL_EMPTYING_HW_QUEUE_DELBA: @@ -4346,13 +3279,13 @@ static inline int iwl4965_queue_dec_wrap(int index, int n_bd) * of frames sent via aggregation. */ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv, - struct iwl4965_rx_mem_buffer *rxb) + struct iwl_rx_mem_buffer *rxb) { - struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; struct iwl4965_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba; int index; - struct iwl4965_tx_queue *txq = NULL; - struct iwl4965_ht_agg *agg; + struct iwl_tx_queue *txq = NULL; + struct iwl_ht_agg *agg; DECLARE_MAC_BUF(mac); /* "flow" corresponds to Tx queue */ @@ -4398,13 +3331,16 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv, * block-ack window (we assume that they've been successfully * transmitted ... if not, it's too late anyway). */ if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) { + /* calculate mac80211 ampdu sw queue to wake */ + int ampdu_q = + scd_flow - IWL_BACK_QUEUE_FIRST_ID + priv->hw->queues; int freed = iwl4965_tx_queue_reclaim(priv, scd_flow, index); priv->stations[ba_resp->sta_id]. tid[ba_resp->tid].tfds_in_queue -= freed; if (iwl4965_queue_space(&txq->q) > txq->q.low_mark && priv->mac80211_registered && agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) - ieee80211_wake_queue(priv->hw, scd_flow); + ieee80211_wake_queue(priv->hw, ampdu_q); iwl4965_check_empty_hw_queue(priv, ba_resp->sta_id, ba_resp->tid, scd_flow); } @@ -4420,10 +3356,10 @@ static int iwl4965_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid, u32 tbl_dw; u16 scd_q2ratid; - scd_q2ratid = ra_tid & SCD_QUEUE_RA_TID_MAP_RATID_MSK; + scd_q2ratid = ra_tid & IWL49_SCD_QUEUE_RA_TID_MAP_RATID_MSK; tbl_dw_addr = priv->scd_base_addr + - SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id); + IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id); tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr); @@ -4485,14 +3421,14 @@ static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id, /* Set up Tx window size and frame limit for this queue */ iwl_write_targ_mem(priv, - priv->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(txq_id), - (SCD_WIN_SIZE << SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) & - SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK); + priv->scd_base_addr + IWL49_SCD_CONTEXT_QUEUE_OFFSET(txq_id), + (SCD_WIN_SIZE << IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) & + IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK); iwl_write_targ_mem(priv, priv->scd_base_addr + - SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32), - (SCD_FRAME_LIMIT << SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) - & SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK); + IWL49_SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32), + (SCD_FRAME_LIMIT << IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) + & IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK); iwl_set_bits_prph(priv, IWL49_SCD_INTERRUPT_MASK, (1 << txq_id)); @@ -4544,8 +3480,7 @@ void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap) rate_flags |= RATE_MCS_CCK_MSK; /* Use Tx antenna B only */ - rate_flags |= RATE_MCS_ANT_B_MSK; - rate_flags &= ~RATE_MCS_ANT_A_MSK; + rate_flags |= RATE_MCS_ANT_B_MSK; /*FIXME:RS*/ link_cmd.rs_table[i].rate_n_flags = iwl4965_hw_set_rate_n_flags(iwl4965_rates[r].plcp, rate_flags); @@ -4566,101 +3501,6 @@ void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap) #ifdef CONFIG_IWL4965_HT -static u8 iwl4965_is_channel_extension(struct iwl_priv *priv, - enum ieee80211_band band, - u16 channel, u8 extension_chan_offset) -{ - const struct iwl_channel_info *ch_info; - - ch_info = iwl_get_channel_info(priv, band, channel); - if (!is_channel_valid(ch_info)) - return 0; - - if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE) - return 0; - - if ((ch_info->fat_extension_channel == extension_chan_offset) || - (ch_info->fat_extension_channel == HT_IE_EXT_CHANNEL_MAX)) - return 1; - - return 0; -} - -static u8 iwl4965_is_fat_tx_allowed(struct iwl_priv *priv, - struct ieee80211_ht_info *sta_ht_inf) -{ - struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config; - - if ((!iwl_ht_conf->is_ht) || - (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) || - (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE)) - return 0; - - if (sta_ht_inf) { - if ((!sta_ht_inf->ht_supported) || - (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH))) - return 0; - } - - return (iwl4965_is_channel_extension(priv, priv->band, - iwl_ht_conf->control_channel, - iwl_ht_conf->extension_chan_offset)); -} - -void iwl4965_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) -{ - struct iwl4965_rxon_cmd *rxon = &priv->staging_rxon; - u32 val; - - if (!ht_info->is_ht) - return; - - /* Set up channel bandwidth: 20 MHz only, or 20/40 mixed if fat ok */ - if (iwl4965_is_fat_tx_allowed(priv, NULL)) - rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED_MSK; - else - rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK | - RXON_FLG_CHANNEL_MODE_PURE_40_MSK); - - if (le16_to_cpu(rxon->channel) != ht_info->control_channel) { - IWL_DEBUG_ASSOC("control diff than current %d %d\n", - le16_to_cpu(rxon->channel), - ht_info->control_channel); - rxon->channel = cpu_to_le16(ht_info->control_channel); - return; - } - - /* Note: control channel is opposite of extension channel */ - switch (ht_info->extension_chan_offset) { - case IWL_EXT_CHANNEL_OFFSET_ABOVE: - rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); - break; - case IWL_EXT_CHANNEL_OFFSET_BELOW: - rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; - break; - case IWL_EXT_CHANNEL_OFFSET_NONE: - default: - rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK; - break; - } - - val = ht_info->ht_protection; - - rxon->flags |= cpu_to_le32(val << RXON_FLG_HT_OPERATING_MODE_POS); - - iwl4965_set_rxon_chain(priv); - - IWL_DEBUG_ASSOC("supported HT rate 0x%X %X " - "rxon flags 0x%X operation mode :0x%X " - "extension channel offset 0x%x " - "control chan %d\n", - ht_info->supp_mcs_set[0], ht_info->supp_mcs_set[1], - le32_to_cpu(rxon->flags), ht_info->ht_protection, - ht_info->extension_chan_offset, - ht_info->control_channel); - return; -} - void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index, struct ieee80211_ht_info *sta_ht_inf) { @@ -4696,7 +3536,7 @@ void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index, sta_flags |= cpu_to_le32( (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS); - if (iwl4965_is_fat_tx_allowed(priv, sta_ht_inf)) + if (iwl_is_fat_tx_allowed(priv, sta_ht_inf)) sta_flags |= STA_FLG_FAT_EN_MSK; else sta_flags &= ~STA_FLG_FAT_EN_MSK; @@ -4706,10 +3546,15 @@ void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index, return; } -static void iwl4965_sta_modify_add_ba_tid(struct iwl_priv *priv, - int sta_id, int tid, u16 ssn) +static int iwl4965_rx_agg_start(struct iwl_priv *priv, + const u8 *addr, int tid, u16 ssn) { unsigned long flags; + int sta_id; + + sta_id = iwl_find_station(priv, addr); + if (sta_id == IWL_INVALID_STATION) + return -ENXIO; spin_lock_irqsave(&priv->sta_lock, flags); priv->stations[sta_id].sta.station_flags_msk = 0; @@ -4719,13 +3564,19 @@ static void iwl4965_sta_modify_add_ba_tid(struct iwl_priv *priv, priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC); + return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, + CMD_ASYNC); } -static void iwl4965_sta_modify_del_ba_tid(struct iwl_priv *priv, - int sta_id, int tid) +static int iwl4965_rx_agg_stop(struct iwl_priv *priv, + const u8 *addr, int tid) { unsigned long flags; + int sta_id; + + sta_id = iwl_find_station(priv, addr); + if (sta_id == IWL_INVALID_STATION) + return -ENXIO; spin_lock_irqsave(&priv->sta_lock, flags); priv->stations[sta_id].sta.station_flags_msk = 0; @@ -4734,7 +3585,8 @@ static void iwl4965_sta_modify_del_ba_tid(struct iwl_priv *priv, priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC); + return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, + CMD_ASYNC); } /* @@ -4753,8 +3605,8 @@ static int iwl4965_txq_ctx_activate_free(struct iwl_priv *priv) return -1; } -static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, - u16 tid, u16 *start_seq_num) +static int iwl4965_tx_agg_start(struct ieee80211_hw *hw, const u8 *ra, + u16 tid, u16 *start_seq_num) { struct iwl_priv *priv = hw->priv; int sta_id; @@ -4763,7 +3615,7 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, int ssn = -1; int ret = 0; unsigned long flags; - struct iwl4965_tid_data *tid_data; + struct iwl_tid_data *tid_data; DECLARE_MAC_BUF(mac); if (likely(tid < ARRAY_SIZE(default_tid_to_tx_fifo))) @@ -4771,10 +3623,10 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, else return -EINVAL; - IWL_WARNING("%s on da = %s tid = %d\n", - __func__, print_mac(mac, da), tid); + IWL_WARNING("%s on ra = %s tid = %d\n", + __func__, print_mac(mac, ra), tid); - sta_id = iwl4965_hw_find_station(priv, da); + sta_id = iwl_find_station(priv, ra); if (sta_id == IWL_INVALID_STATION) return -ENXIO; @@ -4803,7 +3655,7 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, if (tid_data->tfds_in_queue == 0) { printk(KERN_ERR "HW queue is empty\n"); tid_data->agg.state = IWL_AGG_ON; - ieee80211_start_tx_ba_cb_irqsafe(hw, da, tid); + ieee80211_start_tx_ba_cb_irqsafe(hw, ra, tid); } else { IWL_DEBUG_HT("HW queue is NOT empty: %d packets in HW queue\n", tid_data->tfds_in_queue); @@ -4812,19 +3664,17 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, return ret; } -static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, - u16 tid) +static int iwl4965_tx_agg_stop(struct ieee80211_hw *hw, const u8 *ra, u16 tid) { - struct iwl_priv *priv = hw->priv; int tx_fifo_id, txq_id, sta_id, ssn = -1; - struct iwl4965_tid_data *tid_data; + struct iwl_tid_data *tid_data; int ret, write_ptr, read_ptr; unsigned long flags; DECLARE_MAC_BUF(mac); - if (!da) { - IWL_ERROR("da = NULL\n"); + if (!ra) { + IWL_ERROR("ra = NULL\n"); return -EINVAL; } @@ -4833,7 +3683,7 @@ static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, else return -EINVAL; - sta_id = iwl4965_hw_find_station(priv, da); + sta_id = iwl_find_station(priv, ra); if (sta_id == IWL_INVALID_STATION) return -ENXIO; @@ -4855,7 +3705,7 @@ static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, return 0; } - IWL_DEBUG_HT("HW queue empty\n");; + IWL_DEBUG_HT("HW queue is empty\n"); priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF; spin_lock_irqsave(&priv->lock, flags); @@ -4865,10 +3715,7 @@ static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, if (ret) return ret; - ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, da, tid); - - IWL_DEBUG_INFO("iwl4965_mac_ht_tx_agg_stop on da=%s tid=%d\n", - print_mac(mac, da), tid); + ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, ra, tid); return 0; } @@ -4878,27 +3725,24 @@ int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, const u8 *addr, u16 tid, u16 *ssn) { struct iwl_priv *priv = hw->priv; - int sta_id; DECLARE_MAC_BUF(mac); - IWL_DEBUG_HT("A-MPDU action on da=%s tid=%d ", - print_mac(mac, addr), tid); - sta_id = iwl4965_hw_find_station(priv, addr); + IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n", + print_mac(mac, addr), tid); + switch (action) { case IEEE80211_AMPDU_RX_START: IWL_DEBUG_HT("start Rx\n"); - iwl4965_sta_modify_add_ba_tid(priv, sta_id, tid, *ssn); - break; + return iwl4965_rx_agg_start(priv, addr, tid, *ssn); case IEEE80211_AMPDU_RX_STOP: IWL_DEBUG_HT("stop Rx\n"); - iwl4965_sta_modify_del_ba_tid(priv, sta_id, tid); - break; + return iwl4965_rx_agg_stop(priv, addr, tid); case IEEE80211_AMPDU_TX_START: IWL_DEBUG_HT("start Tx\n"); - return iwl4965_mac_ht_tx_agg_start(hw, addr, tid, ssn); + return iwl4965_tx_agg_start(hw, addr, tid, ssn); case IEEE80211_AMPDU_TX_STOP: IWL_DEBUG_HT("stop Tx\n"); - return iwl4965_mac_ht_tx_agg_stop(hw, addr, tid); + return iwl4965_tx_agg_stop(hw, addr, tid); default: IWL_DEBUG_HT("unknown\n"); return -EINVAL; @@ -4906,11 +3750,28 @@ int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, } return 0; } - #endif /* CONFIG_IWL4965_HT */ + +static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data) +{ + struct iwl4965_addsta_cmd *addsta = (struct iwl4965_addsta_cmd *)data; + addsta->mode = cmd->mode; + memcpy(&addsta->sta, &cmd->sta, sizeof(struct sta_id_modify)); + memcpy(&addsta->key, &cmd->key, sizeof(struct iwl4965_keyinfo)); + addsta->station_flags = cmd->station_flags; + addsta->station_flags_msk = cmd->station_flags_msk; + addsta->tid_disable_tx = cmd->tid_disable_tx; + addsta->add_immediate_ba_tid = cmd->add_immediate_ba_tid; + addsta->remove_immediate_ba_tid = cmd->remove_immediate_ba_tid; + addsta->add_immediate_ba_ssn = cmd->add_immediate_ba_ssn; + addsta->reserved1 = __constant_cpu_to_le16(0); + addsta->reserved2 = __constant_cpu_to_le32(0); + + return (u16)sizeof(struct iwl4965_addsta_cmd); +} /* Set up 4965-specific Rx frame reply handlers */ -void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv) +static void iwl4965_rx_handler_setup(struct iwl_priv *priv) { /* Legacy Rx frames */ priv->rx_handlers[REPLY_RX] = iwl4965_rx_reply_rx; @@ -4930,7 +3791,7 @@ void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv) void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv) { INIT_WORK(&priv->txpower_work, iwl4965_bg_txpower_work); -#ifdef CONFIG_IWL4965_SENSITIVITY +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB INIT_WORK(&priv->sensitivity_work, iwl4965_bg_sensitivity_work); #endif init_timer(&priv->statistics_periodic); @@ -4952,22 +3813,49 @@ static struct iwl_hcmd_ops iwl4965_hcmd = { static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = { .enqueue_hcmd = iwl4965_enqueue_hcmd, + .build_addsta_hcmd = iwl4965_build_addsta_hcmd, +#ifdef CONFIG_IWL4965_RUN_TIME_CALIB + .chain_noise_reset = iwl4965_chain_noise_reset, + .gain_computation = iwl4965_gain_computation, +#endif }; static struct iwl_lib_ops iwl4965_lib = { - .init_drv = iwl4965_init_drv, .set_hw_params = iwl4965_hw_set_hw_params, + .alloc_shared_mem = iwl4965_alloc_shared_mem, + .free_shared_mem = iwl4965_free_shared_mem, + .shared_mem_rx_idx = iwl4965_shared_mem_rx_idx, .txq_update_byte_cnt_tbl = iwl4965_txq_update_byte_cnt_tbl, - .hw_nic_init = iwl4965_hw_nic_init, + .disable_tx_fifo = iwl4965_disable_tx_fifo, + .rx_handler_setup = iwl4965_rx_handler_setup, .is_valid_rtc_data_addr = iwl4965_hw_valid_rtc_data_addr, .alive_notify = iwl4965_alive_notify, + .init_alive_start = iwl4965_init_alive_start, .load_ucode = iwl4965_load_bsm, + .apm_ops = { + .init = iwl4965_apm_init, + .config = iwl4965_nic_config, + .set_pwr_src = iwl4965_set_pwr_src, + }, .eeprom_ops = { + .regulatory_bands = { + EEPROM_REGULATORY_BAND_1_CHANNELS, + EEPROM_REGULATORY_BAND_2_CHANNELS, + EEPROM_REGULATORY_BAND_3_CHANNELS, + EEPROM_REGULATORY_BAND_4_CHANNELS, + EEPROM_REGULATORY_BAND_5_CHANNELS, + EEPROM_4965_REGULATORY_BAND_24_FAT_CHANNELS, + EEPROM_4965_REGULATORY_BAND_52_FAT_CHANNELS + }, .verify_signature = iwlcore_eeprom_verify_signature, .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, .release_semaphore = iwlcore_eeprom_release_semaphore, + .check_version = iwl4965_eeprom_check_version, + .query_addr = iwlcore_eeprom_query_addr, }, .radio_kill_sw = iwl4965_radio_kill_sw, + .set_power = iwl4965_set_power, + .update_chain_flags = iwl4965_update_chain_flags, }; static struct iwl_ops iwl4965_ops = { @@ -4980,6 +3868,7 @@ struct iwl_cfg iwl4965_agn_cfg = { .name = "4965AGN", .fw_name = "iwlwifi-4965" IWL4965_UCODE_API ".ucode", .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, + .eeprom_size = IWL4965_EEPROM_IMG_SIZE, .ops = &iwl4965_ops, .mod_params = &iwl4965_mod_params, }; @@ -5004,4 +3893,5 @@ module_param_named(qos_enable, iwl4965_mod_params.enable_qos, int, 0444); MODULE_PARM_DESC(qos_enable, "enable all QoS functionality"); module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444); MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); - +module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444); +MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error"); |