diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 35 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 77 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fh.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-tx.c | 29 |
10 files changed, 103 insertions, 68 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index e2581229d8b..23fed329896 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -474,8 +474,8 @@ static void iwl4965_apm_stop(struct iwl_priv *priv) iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); udelay(10); - - iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + /* clear "init complete" move adapter D0A* --> D0U state */ + iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); spin_unlock_irqrestore(&priv->lock, flags); } diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index cbc01a00eaf..b08036a9d89 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -145,7 +145,8 @@ static void iwl5000_apm_stop(struct iwl_priv *priv) udelay(10); - iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + /* clear "init complete" move adapter D0A* --> D0U state */ + iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); spin_unlock_irqrestore(&priv->lock, flags); } @@ -577,14 +578,11 @@ static int iwl5000_load_section(struct iwl_priv *priv, FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL), phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK); - /* FIME: write the MSB of the phy_addr in CTRL1 - * iwl_write_direct32(priv, - IWL_FH_TFDIB_CTRL1_REG(IWL_FH_SRVC_CHNL), - ((phy_addr & MSB_MSK) - << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_count); - */ iwl_write_direct32(priv, - FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), byte_cnt); + FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), + (iwl_get_dma_hi_address(phy_addr) + << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt); + iwl_write_direct32(priv, FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL), 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM | diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 754fef5b592..90a2b6dee7c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -1153,7 +1153,8 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, !sta->ht_info.ht_supported) return -1; - if (priv->current_ht_config.tx_mimo_ps_mode == IWL_MIMO_PS_STATIC) + if (((sta->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS) >> 2) + == IWL_MIMO_PS_STATIC) return -1; /* Need both Tx chains/antennas to support MIMO */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 061ffba9c88..e01f048a02d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -181,14 +181,14 @@ static int iwl4965_check_rxon_cmd(struct iwl_rxon_cmd *rxon) } /** - * iwl4965_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed + * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed * @priv: staging_rxon is compared to active_rxon * * If the RXON structure is changing enough to require a new tune, * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required. */ -static int iwl4965_full_rxon_required(struct iwl_priv *priv) +static int iwl_full_rxon_required(struct iwl_priv *priv) { /* These items are only settable from the full RXON command */ @@ -207,7 +207,6 @@ static int iwl4965_full_rxon_required(struct iwl_priv *priv) priv->active_rxon.ofdm_ht_single_stream_basic_rates) || (priv->staging_rxon.ofdm_ht_dual_stream_basic_rates != priv->active_rxon.ofdm_ht_dual_stream_basic_rates) || - (priv->staging_rxon.rx_chain != priv->active_rxon.rx_chain) || (priv->staging_rxon.assoc_id != priv->active_rxon.assoc_id)) return 1; @@ -263,7 +262,7 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv) /* If we don't need to send a full RXON, we can use * iwl4965_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ - if (!iwl4965_full_rxon_required(priv)) { + if (!iwl_full_rxon_required(priv)) { ret = iwl_send_rxon_assoc(priv); if (ret) { IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret); @@ -587,8 +586,6 @@ static void iwl4965_ht_conf(struct iwl_priv *priv, iwl_conf->supported_chan_width = 0; } - iwl_conf->tx_mimo_ps_mode = - (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2); memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16); iwl_conf->control_channel = ht_bss_conf->primary_channel; @@ -2190,7 +2187,10 @@ static void __iwl4965_down(struct iwl_priv *priv) udelay(5); /* FIXME: apm_ops.suspend(priv) */ - priv->cfg->ops->lib->apm_ops.reset(priv); + if (exit_pending || test_bit(STATUS_IN_SUSPEND, &priv->status)) + priv->cfg->ops->lib->apm_ops.stop(priv); + else + priv->cfg->ops->lib->apm_ops.reset(priv); priv->cfg->ops->lib->free_shared_mem(priv); exit: @@ -2602,6 +2602,7 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; int ret; + u16 pci_cmd; IWL_DEBUG_MAC80211("enter\n"); @@ -2612,6 +2613,13 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw) pci_restore_state(priv->pci_dev); pci_enable_msi(priv->pci_dev); + /* enable interrupts if needed: hw bug w/a */ + pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd); + if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { + pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; + pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd); + } + ret = request_irq(priv->pci_dev->irq, iwl4965_isr, IRQF_SHARED, DRV_NAME, priv); if (ret) { @@ -3580,7 +3588,7 @@ static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk priv->assoc_id = 0; timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; - priv->timestamp = le64_to_cpu(timestamp) + (priv->beacon_int * 1000); + priv->timestamp = le64_to_cpu(timestamp); IWL_DEBUG_MAC80211("leave\n"); spin_unlock_irqrestore(&priv->lock, flags); @@ -4364,15 +4372,18 @@ static void __devexit iwl4965_pci_remove(struct pci_dev *pdev) iwl_dbgfs_unregister(priv); sysfs_remove_group(&pdev->dev.kobj, &iwl4965_attribute_group); + /* ieee80211_unregister_hw call wil cause iwl4965_mac_stop to + * to be called and iwl4965_down since we are removing the device + * we need to set STATUS_EXIT_PENDING bit. + */ + set_bit(STATUS_EXIT_PENDING, &priv->status); if (priv->mac80211_registered) { ieee80211_unregister_hw(priv->hw); priv->mac80211_registered = 0; + } else { + iwl4965_down(priv); } - set_bit(STATUS_EXIT_PENDING, &priv->status); - - iwl4965_down(priv); - /* make sure we flush any pending irq or * tasklet for the driver */ diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index c72f72579be..80f2f84defa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -592,12 +592,11 @@ static void iwlcore_free_geos(struct iwl_priv *priv) clear_bit(STATUS_GEO_CONFIGURED, &priv->status); } -static u8 is_single_rx_stream(struct iwl_priv *priv) +static bool is_single_rx_stream(struct iwl_priv *priv) { return !priv->current_ht_config.is_ht || ((priv->current_ht_config.supp_mcs_set[1] == 0) && - (priv->current_ht_config.supp_mcs_set[2] == 0)) || - priv->ps_mode == IWL_MIMO_PS_STATIC; + (priv->current_ht_config.supp_mcs_set[2] == 0)); } static u8 iwl_is_channel_extension(struct iwl_priv *priv, @@ -704,33 +703,39 @@ EXPORT_SYMBOL(iwl_set_rxon_ht); * 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 iwlcore_get_rx_chain_counter(struct iwl_priv *priv, - u8 *idle_state, u8 *rx_state) +static int iwl_get_active_rx_chain_count(struct iwl_priv *priv) { - u8 is_single = is_single_rx_stream(priv); - u8 is_cam = test_bit(STATUS_POWER_PMI, &priv->status) ? 0 : 1; + bool is_single = is_single_rx_stream(priv); + bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); /* # of Rx chains to use when expecting MIMO. */ if (is_single || (!is_cam && (priv->ps_mode == IWL_MIMO_PS_STATIC))) - *rx_state = 2; + return 2; else - *rx_state = 3; + return 3; +} +static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt) +{ + int idle_cnt; + bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); /* # 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; + idle_cnt = (is_cam) ? 2 : 1; break; case IWL_MIMO_PS_NONE: - *idle_state = (is_cam) ? *rx_state : 1; + idle_cnt = (is_cam) ? active_cnt : 1; break; + case IWL_MIMO_PS_INVALID: default: - *idle_state = 1; + IWL_ERROR("invalide mimo ps mode %d\n", priv->ps_mode); + WARN_ON(1); + idle_cnt = -1; break; } - - return 0; + return idle_cnt; } /** @@ -741,34 +746,44 @@ static int iwlcore_get_rx_chain_counter(struct iwl_priv *priv, */ void iwl_set_rxon_chain(struct iwl_priv *priv) { - u8 is_single = is_single_rx_stream(priv); - u8 idle_state, rx_state; - - priv->staging_rxon.rx_chain = 0; - rx_state = idle_state = 3; + bool is_single = is_single_rx_stream(priv); + bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); + u8 idle_rx_cnt, active_rx_cnt; + u16 rx_chain; /* Tell uCode which antennas are actually connected. * Before first association, we assume all antennas are connected. * Just after first association, iwl_chain_noise_calibration() * checks which antennas actually *are* connected. */ - priv->staging_rxon.rx_chain |= - cpu_to_le16(priv->hw_params.valid_rx_ant << - RXON_RX_CHAIN_VALID_POS); + rx_chain = priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS; /* How many receivers should we use? */ - iwlcore_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)) + active_rx_cnt = iwl_get_active_rx_chain_count(priv); + idle_rx_cnt = iwl_get_idle_rx_chain_count(priv, active_rx_cnt); + + /* correct rx chain count accoridng hw settings */ + if (priv->hw_params.rx_chains_num < active_rx_cnt) + active_rx_cnt = priv->hw_params.rx_chains_num; + + if (priv->hw_params.rx_chains_num < idle_rx_cnt) + idle_rx_cnt = priv->hw_params.rx_chains_num; + + rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS; + rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS; + + priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain); + + if (!is_single && (active_rx_cnt >= 2) && is_cam) 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); + IWL_DEBUG_ASSOC("rx_chain=0x%Xi active=%d idle=%d\n", + priv->staging_rxon.rx_chain, + active_rx_cnt, idle_rx_cnt); + + WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 || + active_rx_cnt < idle_rx_cnt); } EXPORT_SYMBOL(iwl_set_rxon_chain); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index c19db438306..cdfb343c7ec 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -412,7 +412,6 @@ struct iwl_ht_info { /* self configuration data */ u8 is_ht; u8 supported_chan_width; - u16 tx_mimo_ps_mode; u8 is_green_field; u8 sgf; /* HT_SHORT_GI_* short guard interval */ u8 max_amsdu_size; diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index 944642450d3..cd11c0ca299 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -287,6 +287,7 @@ #define FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE (0x01000000) +#define FH_MEM_TFDIB_REG1_ADDR_BITSHIFT 28 /** * Transmit DMA Channel Control/Status Registers (TCSR) diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index f3f6ea49fdd..e81bfc42a7c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -1173,7 +1173,10 @@ void iwl_rx_reply_rx(struct iwl_priv *priv, rx_status.antenna = 0; rx_status.flag = 0; - rx_status.flag |= RX_FLAG_TSFT; + + /* TSF isn't reliable. In order to allow smooth user experience, + * this W/A doesn't propagate it to the mac80211 */ + /*rx_status.flag |= RX_FLAG_TSFT;*/ if ((unlikely(rx_start->cfg_phy_cnt > 20))) { IWL_DEBUG_DROP("dsp size out of range [0,20]: %d/n", diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 9bb6adb28b7..6c8ac3a87d5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -421,7 +421,7 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, else scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE; - if ((scan_ch->type & SCAN_CHANNEL_TYPE_ACTIVE) && n_probes) + if (n_probes) scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes); scan_ch->active_dwell = cpu_to_le16(active_dwell); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index d82823b5c8a..78b1a7a4ca4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -402,12 +402,11 @@ static int iwl_hw_tx_queue_init(struct iwl_priv *priv, /** * iwl_tx_queue_init - Allocate and initialize one tx/cmd queue */ -static int iwl_tx_queue_init(struct iwl_priv *priv, - struct iwl_tx_queue *txq, +static int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, int slots_num, u32 txq_id) { int i, len; - int rc = 0; + int ret; /* * Alloc buffer array for commands (Tx or other types of commands). @@ -426,19 +425,16 @@ static int iwl_tx_queue_init(struct iwl_priv *priv, continue; } - txq->cmd[i] = kmalloc(len, GFP_KERNEL | GFP_DMA); + txq->cmd[i] = kmalloc(len, GFP_KERNEL); if (!txq->cmd[i]) - return -ENOMEM; + goto err; } /* Alloc driver data array and TFD circular buffer */ - rc = iwl_tx_queue_alloc(priv, txq, txq_id); - if (rc) { - for (i = 0; i < slots_num; i++) - kfree(txq->cmd[i]); + ret = iwl_tx_queue_alloc(priv, txq, txq_id); + if (ret) + goto err; - return -ENOMEM; - } txq->need_update = 0; /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise @@ -452,6 +448,17 @@ static int iwl_tx_queue_init(struct iwl_priv *priv, iwl_hw_tx_queue_init(priv, txq); return 0; +err: + for (i = 0; i < slots_num; i++) { + kfree(txq->cmd[i]); + txq->cmd[i] = NULL; + } + + if (txq_id == IWL_CMD_QUEUE_NUM) { + kfree(txq->cmd[slots_num]); + txq->cmd[slots_num] = NULL; + } + return -ENOMEM; } /** * iwl_hw_txq_ctx_free - Free TXQ Context |