diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 474 |
1 files changed, 374 insertions, 100 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 921dc4a26fe2..29f7510ecdd7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -123,6 +123,17 @@ int iwl_commit_rxon(struct iwl_priv *priv) return -EINVAL; } + /* + * receive commit_rxon request + * abort any previous channel switch if still in process + */ + if (priv->switch_rxon.switch_in_progress && + (priv->switch_rxon.channel != priv->staging_rxon.channel)) { + IWL_DEBUG_11H(priv, "abort channel switch on %d\n", + le16_to_cpu(priv->switch_rxon.channel)); + priv->switch_rxon.switch_in_progress = false; + } + /* If we don't need to send a full RXON, we can use * iwl_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ @@ -134,6 +145,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) } memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); + iwl_print_rx_config_cmd(priv); return 0; } @@ -191,11 +203,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) priv->start_calib = 0; /* Add the broadcast address so we can send broadcast frames */ - if (iwl_rxon_add_station(priv, iwl_bcast_addr, 0) == - IWL_INVALID_STATION) { - IWL_ERR(priv, "Error adding BROADCAST address for transmit.\n"); - return -EIO; - } + iwl_add_bcast_station(priv); /* If we have set the ASSOC_MSK and we are in BSS mode then * add the IWL_AP_ID to the station rate table */ @@ -233,6 +241,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) } memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); } + iwl_print_rx_config_cmd(priv); iwl_init_sensitivity(priv); @@ -525,7 +534,7 @@ int iwl_hw_tx_queue_init(struct iwl_priv *priv, static void iwl_rx_reply_alive(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; + struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_alive_resp *palive; struct delayed_work *pwork; @@ -611,7 +620,7 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { #ifdef CONFIG_IWLWIFI_DEBUG - struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; + struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl4965_beacon_notif *beacon = (struct iwl4965_beacon_notif *)pkt->u.raw; u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags); @@ -635,7 +644,7 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv, static void iwl_rx_card_state_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; + struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); unsigned long status = priv->status; @@ -770,7 +779,7 @@ void iwl_rx_handle(struct iwl_priv *priv) IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i); /* calculate total frames need to be restock after handling RX */ - total_empty = r - priv->rxq.write_actual; + total_empty = r - rxq->write_actual; if (total_empty < 0) total_empty += RX_QUEUE_SIZE; @@ -787,10 +796,13 @@ void iwl_rx_handle(struct iwl_priv *priv) rxq->queue[i] = NULL; - pci_unmap_single(priv->pci_dev, rxb->real_dma_addr, - priv->hw_params.rx_buf_size + 256, - PCI_DMA_FROMDEVICE); - pkt = (struct iwl_rx_packet *)rxb->skb->data; + pci_unmap_page(priv->pci_dev, rxb->page_dma, + PAGE_SIZE << priv->hw_params.rx_page_order, + PCI_DMA_FROMDEVICE); + pkt = rxb_addr(rxb); + + trace_iwlwifi_dev_rx(priv, pkt, + le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK); /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. @@ -812,8 +824,8 @@ void iwl_rx_handle(struct iwl_priv *priv) if (priv->rx_handlers[pkt->hdr.cmd]) { IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r, i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); - priv->rx_handlers[pkt->hdr.cmd] (priv, rxb); priv->isr_stats.rx_handlers[pkt->hdr.cmd]++; + priv->rx_handlers[pkt->hdr.cmd] (priv, rxb); } else { /* No handling needed */ IWL_DEBUG_RX(priv, @@ -822,35 +834,45 @@ void iwl_rx_handle(struct iwl_priv *priv) pkt->hdr.cmd); } + /* + * XXX: After here, we should always check rxb->page + * against NULL before touching it or its virtual + * memory (pkt). Because some rx_handler might have + * already taken or freed the pages. + */ + if (reclaim) { - /* Invoke any callbacks, transfer the skb to caller, and - * fire off the (possibly) blocking iwl_send_cmd() + /* Invoke any callbacks, transfer the buffer to caller, + * and fire off the (possibly) blocking iwl_send_cmd() * as we reclaim the driver command queue */ - if (rxb && rxb->skb) + if (rxb->page) iwl_tx_cmd_complete(priv, rxb); else IWL_WARN(priv, "Claim null rxb?\n"); } - /* For now we just don't re-use anything. We can tweak this - * later to try and re-use notification packets and SKBs that - * fail to Rx correctly */ - if (rxb->skb != NULL) { - priv->alloc_rxb_skb--; - dev_kfree_skb_any(rxb->skb); - rxb->skb = NULL; - } - + /* Reuse the page if possible. For notification packets and + * SKBs that fail to Rx correctly, add them back into the + * rx_free list for reuse later. */ spin_lock_irqsave(&rxq->lock, flags); - list_add_tail(&rxb->list, &priv->rxq.rx_used); + if (rxb->page != NULL) { + rxb->page_dma = pci_map_page(priv->pci_dev, rxb->page, + 0, PAGE_SIZE << priv->hw_params.rx_page_order, + PCI_DMA_FROMDEVICE); + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } else + list_add_tail(&rxb->list, &rxq->rx_used); + spin_unlock_irqrestore(&rxq->lock, flags); + i = (i + 1) & RX_QUEUE_MASK; /* If there are a lot of unused frames, * restock the Rx queue so ucode wont assert. */ if (fill_rx) { count++; if (count >= 8) { - priv->rxq.read = i; + rxq->read = i; iwl_rx_replenish_now(priv); count = 0; } @@ -858,7 +880,7 @@ void iwl_rx_handle(struct iwl_priv *priv) } /* Backtrack one entry */ - priv->rxq.read = i; + rxq->read = i; if (fill_rx) iwl_rx_replenish_now(priv); else @@ -878,6 +900,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) u32 inta, handled = 0; u32 inta_fh; unsigned long flags; + u32 i; #ifdef CONFIG_IWLWIFI_DEBUG u32 inta_mask; #endif @@ -905,6 +928,8 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) } #endif + spin_unlock_irqrestore(&priv->lock, flags); + /* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not * atomic, make sure that inta covers all the interrupts that * we've discovered, even if FH interrupt came in just after @@ -926,8 +951,6 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) handled |= CSR_INT_BIT_HW_ERR; - spin_unlock_irqrestore(&priv->lock, flags); - return; } @@ -995,19 +1018,17 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) handled |= CSR_INT_BIT_SW_ERR; } - /* uCode wakes up after power-down sleep */ + /* + * uCode wakes up after power-down sleep. + * Tell device about any new tx or host commands enqueued, + * and about any Rx buffers made available while asleep. + */ if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl_txq_update_write_ptr(priv, &priv->txq[0]); - iwl_txq_update_write_ptr(priv, &priv->txq[1]); - iwl_txq_update_write_ptr(priv, &priv->txq[2]); - iwl_txq_update_write_ptr(priv, &priv->txq[3]); - iwl_txq_update_write_ptr(priv, &priv->txq[4]); - iwl_txq_update_write_ptr(priv, &priv->txq[5]); - + for (i = 0; i < priv->hw_params.max_txq_num; i++) + iwl_txq_update_write_ptr(priv, &priv->txq[i]); priv->isr_stats.wakeup++; - handled |= CSR_INT_BIT_WAKEUP; } @@ -1017,14 +1038,16 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { iwl_rx_handle(priv); priv->isr_stats.rx++; + iwl_leds_background(priv); handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); } + /* This "Tx" DMA channel is used only for loading uCode */ if (inta & CSR_INT_BIT_FH_TX) { - IWL_DEBUG_ISR(priv, "Tx interrupt\n"); + IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); priv->isr_stats.tx++; handled |= CSR_INT_BIT_FH_TX; - /* FH finished to write, send event */ + /* Wake up uCode load routine, now that load is complete */ priv->ucode_write_complete = 1; wake_up_interruptible(&priv->wait_command_queue); } @@ -1054,7 +1077,6 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) "flags 0x%08lx\n", inta, inta_mask, inta_fh, flags); } #endif - spin_unlock_irqrestore(&priv->lock, flags); } /* tasklet for iwlagn interrupt */ @@ -1063,6 +1085,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) u32 inta = 0; u32 handled = 0; unsigned long flags; + u32 i; #ifdef CONFIG_IWLWIFI_DEBUG u32 inta_mask; #endif @@ -1084,6 +1107,9 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) inta, inta_mask); } #endif + + spin_unlock_irqrestore(&priv->lock, flags); + /* saved interrupt in inta variable now we can reset priv->inta */ priv->inta = 0; @@ -1099,8 +1125,6 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) handled |= CSR_INT_BIT_HW_ERR; - spin_unlock_irqrestore(&priv->lock, flags); - return; } @@ -1172,12 +1196,8 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl_txq_update_write_ptr(priv, &priv->txq[0]); - iwl_txq_update_write_ptr(priv, &priv->txq[1]); - iwl_txq_update_write_ptr(priv, &priv->txq[2]); - iwl_txq_update_write_ptr(priv, &priv->txq[3]); - iwl_txq_update_write_ptr(priv, &priv->txq[4]); - iwl_txq_update_write_ptr(priv, &priv->txq[5]); + for (i = 0; i < priv->hw_params.max_txq_num; i++) + iwl_txq_update_write_ptr(priv, &priv->txq[i]); priv->isr_stats.wakeup++; @@ -1218,14 +1238,16 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) CSR_INT_PERIODIC_ENA); priv->isr_stats.rx++; + iwl_leds_background(priv); } + /* This "Tx" DMA channel is used only for loading uCode */ if (inta & CSR_INT_BIT_FH_TX) { iwl_write32(priv, CSR_FH_INT_STATUS, CSR49_FH_INT_TX_MASK); - IWL_DEBUG_ISR(priv, "Tx interrupt\n"); + IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); priv->isr_stats.tx++; handled |= CSR_INT_BIT_FH_TX; - /* FH finished to write, send event */ + /* Wake up uCode load routine, now that load is complete */ priv->ucode_write_complete = 1; wake_up_interruptible(&priv->wait_command_queue); } @@ -1240,14 +1262,10 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) inta & ~priv->inta_mask); } - /* Re-enable all interrupts */ /* only Re-enable if diabled by irq */ if (test_bit(STATUS_INT_ENABLED, &priv->status)) iwl_enable_interrupts(priv); - - spin_unlock_irqrestore(&priv->lock, flags); - } @@ -1367,6 +1385,14 @@ static int iwl_read_ucode(struct iwl_priv *priv) IWL_UCODE_API(priv->ucode_ver), IWL_UCODE_SERIAL(priv->ucode_ver)); + snprintf(priv->hw->wiphy->fw_version, + sizeof(priv->hw->wiphy->fw_version), + "%u.%u.%u.%u", + IWL_UCODE_MAJOR(priv->ucode_ver), + IWL_UCODE_MINOR(priv->ucode_ver), + IWL_UCODE_API(priv->ucode_ver), + IWL_UCODE_SERIAL(priv->ucode_ver)); + if (build) IWL_DEBUG_INFO(priv, "Build %u\n", build); @@ -1611,6 +1637,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv) line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32)); time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32)); + trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line, + blink1, blink2, ilink1, ilink2); + IWL_ERR(priv, "Desc Time " "data1 data2 line\n"); IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n", @@ -1635,6 +1664,7 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ u32 ptr; /* SRAM byte address of log data */ u32 ev, time, data; /* event log data */ + unsigned long reg_flags; if (num_events == 0) return; @@ -1650,25 +1680,39 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&priv->reg_lock, reg_flags); + iwl_grab_nic_access(priv); + + /* Set starting address; reads will auto-increment */ + _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); + rmb(); + /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); - time = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ + trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); } else { - data = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", time, data, ev); + trace_iwlwifi_dev_ucode_event(priv, time, data, ev); } } + + /* Allow device to power down */ + iwl_release_nic_access(priv); + spin_unlock_irqrestore(&priv->reg_lock, reg_flags); } +/* For sanity check only. Actual size is determined by uCode, typ. 512 */ +#define MAX_EVENT_LOG_SIZE (512) + void iwl_dump_nic_event_log(struct iwl_priv *priv) { u32 base; /* SRAM byte address of event log header */ @@ -1694,6 +1738,18 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv) num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); + if (capacity > MAX_EVENT_LOG_SIZE) { + IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", + capacity, MAX_EVENT_LOG_SIZE); + capacity = MAX_EVENT_LOG_SIZE; + } + + if (next_entry > MAX_EVENT_LOG_SIZE) { + IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", + next_entry, MAX_EVENT_LOG_SIZE); + next_entry = MAX_EVENT_LOG_SIZE; + } + size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ @@ -1763,6 +1819,10 @@ static void iwl_alive_start(struct iwl_priv *priv) priv->active_rate = priv->rates_mask; priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; + /* Configure Tx antenna selection based on H/W config */ + if (priv->cfg->ops->hcmd->set_tx_ant) + priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant); + if (iwl_is_associated(priv)) { struct iwl_rxon_cmd *active_rxon = (struct iwl_rxon_cmd *)&priv->active_rxon; @@ -1790,7 +1850,7 @@ static void iwl_alive_start(struct iwl_priv *priv) /* At this point, the NIC is initialized and operational */ iwl_rf_kill_ct_config(priv); - iwl_leds_register(priv); + iwl_leds_init(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); set_bit(STATUS_READY, &priv->status); @@ -1828,8 +1888,6 @@ static void __iwl_down(struct iwl_priv *priv) if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl_leds_unregister(priv); - iwl_clear_stations_table(priv); /* Unblock any waiting calls */ @@ -1877,24 +1935,20 @@ static void __iwl_down(struct iwl_priv *priv) /* device going down, Stop using ICT table */ iwl_disable_ict(priv); - spin_lock_irqsave(&priv->lock, flags); - iwl_clear_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - spin_unlock_irqrestore(&priv->lock, flags); iwl_txq_ctx_stop(priv); iwl_rxq_stop(priv); - iwl_write_prph(priv, APMG_CLK_DIS_REG, - APMG_CLK_VAL_DMA_CLK_RQT); - + /* Power-down device's busmaster DMA clocks */ + iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); - /* FIXME: apm_ops.suspend(priv) */ - if (exit_pending) - priv->cfg->ops->lib->apm_ops.stop(priv); - else - priv->cfg->ops->lib->apm_ops.reset(priv); + /* Make sure (redundant) we've released our request to stay awake */ + iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + + /* Stop the device, and put it in low power state */ + priv->cfg->ops->lib->apm_ops.stop(priv); + exit: memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp)); @@ -2281,6 +2335,69 @@ void iwl_post_associate(struct iwl_priv *priv) #define UCODE_READY_TIMEOUT (4 * HZ) +/* + * Not a mac80211 entry point function, but it fits in with all the + * other mac80211 functions grouped here. + */ +static int iwl_setup_mac(struct iwl_priv *priv) +{ + int ret; + struct ieee80211_hw *hw = priv->hw; + hw->rate_control_algorithm = "iwl-agn-rs"; + + /* Tell mac80211 our characteristics */ + hw->flags = IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_NOISE_DBM | + IEEE80211_HW_AMPDU_AGGREGATION | + IEEE80211_HW_SPECTRUM_MGMT; + + if (!priv->cfg->broken_powersave) + hw->flags |= IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + + hw->sta_data_size = sizeof(struct iwl_station_priv); + hw->wiphy->interface_modes = + BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC); + + hw->wiphy->custom_regulatory = true; + + /* Firmware does not support this */ + hw->wiphy->disable_beacon_hints = true; + + /* + * For now, disable PS by default because it affects + * RX performance significantly. + */ + hw->wiphy->ps_default = false; + + hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; + /* we create the 802.11 header and a zero-length SSID element */ + hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2; + + /* Default value; 4 EDCA QOS priorities */ + hw->queues = 4; + + hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; + + if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) + priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = + &priv->bands[IEEE80211_BAND_2GHZ]; + if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) + priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = + &priv->bands[IEEE80211_BAND_5GHZ]; + + ret = ieee80211_register_hw(priv->hw); + if (ret) { + IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); + return ret; + } + priv->mac80211_registered = 1; + + return 0; +} + + static int iwl_mac_start(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; @@ -2328,6 +2445,8 @@ static int iwl_mac_start(struct ieee80211_hw *hw) } } + iwl_led_start(priv); + out: priv->is_open = 1; IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -2435,7 +2554,7 @@ void iwl_config_ap(struct iwl_priv *priv) spin_lock_irqsave(&priv->lock, flags); iwl_activate_qos(priv, 1); spin_unlock_irqrestore(&priv->lock, flags); - iwl_rxon_add_station(priv, iwl_bcast_addr, 0); + iwl_add_bcast_station(priv); } iwl_send_beacon_cmd(priv); @@ -2799,6 +2918,40 @@ static ssize_t show_statistics(struct device *d, static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL); +static ssize_t show_rts_ht_protection(struct device *d, + struct device_attribute *attr, char *buf) +{ + struct iwl_priv *priv = dev_get_drvdata(d); + + return sprintf(buf, "%s\n", + priv->cfg->use_rts_for_ht ? "RTS/CTS" : "CTS-to-self"); +} + +static ssize_t store_rts_ht_protection(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct iwl_priv *priv = dev_get_drvdata(d); + unsigned long val; + int ret; + + ret = strict_strtoul(buf, 10, &val); + if (ret) + IWL_INFO(priv, "Input is not in decimal form.\n"); + else { + if (!iwl_is_associated(priv)) + priv->cfg->use_rts_for_ht = val ? true : false; + else + IWL_ERR(priv, "Sta associated with AP - " + "Change protection mechanism is not allowed\n"); + ret = count; + } + return ret; +} + +static DEVICE_ATTR(rts_ht_protection, S_IWUSR | S_IRUGO, + show_rts_ht_protection, store_rts_ht_protection); + /***************************************************************************** * @@ -2849,12 +3002,107 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) del_timer_sync(&priv->statistics_periodic); } +static void iwl_init_hw_rates(struct iwl_priv *priv, + struct ieee80211_rate *rates) +{ + int i; + + for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { + rates[i].bitrate = iwl_rates[i].ieee * 5; + rates[i].hw_value = i; /* Rate scaling will work on indexes */ + rates[i].hw_value_short = i; + rates[i].flags = 0; + if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { + /* + * If CCK != 1M then set short preamble rate flag. + */ + rates[i].flags |= + (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? + 0 : IEEE80211_RATE_SHORT_PREAMBLE; + } + } +} + +static int iwl_init_drv(struct iwl_priv *priv) +{ + int ret; + + priv->ibss_beacon = NULL; + + spin_lock_init(&priv->lock); + spin_lock_init(&priv->sta_lock); + spin_lock_init(&priv->hcmd_lock); + + INIT_LIST_HEAD(&priv->free_frames); + + mutex_init(&priv->mutex); + + /* Clear the driver's (not device's) station table */ + iwl_clear_stations_table(priv); + + priv->ieee_channels = NULL; + priv->ieee_rates = NULL; + priv->band = IEEE80211_BAND_2GHZ; + + priv->iw_mode = NL80211_IFTYPE_STATION; + if (priv->cfg->support_sm_ps) + priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DYNAMIC; + else + priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED; + + /* Choose which receivers/antennas to use */ + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); + + iwl_init_scan_params(priv); + + iwl_reset_qos(priv); + + priv->qos_data.qos_active = 0; + priv->qos_data.qos_cap.val = 0; + + priv->rates_mask = IWL_RATES_MASK; + /* Set the tx_power_user_lmt to the lowest power level + * this value will get overwritten by channel max power avg + * from eeprom */ + priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN; + + ret = iwl_init_channel_map(priv); + if (ret) { + IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); + goto err; + } + + ret = iwlcore_init_geos(priv); + if (ret) { + IWL_ERR(priv, "initializing geos failed: %d\n", ret); + goto err_free_channel_map; + } + iwl_init_hw_rates(priv, priv->ieee_rates); + + return 0; + +err_free_channel_map: + iwl_free_channel_map(priv); +err: + return ret; +} + +static void iwl_uninit_drv(struct iwl_priv *priv) +{ + iwl_calib_free_results(priv); + iwlcore_free_geos(priv); + iwl_free_channel_map(priv); + kfree(priv->scan); +} + static struct attribute *iwl_sysfs_entries[] = { &dev_attr_flags.attr, &dev_attr_filter_flags.attr, &dev_attr_statistics.attr, &dev_attr_temperature.attr, &dev_attr_tx_power.attr, + &dev_attr_rts_ht_protection.attr, #ifdef CONFIG_IWLWIFI_DEBUG &dev_attr_debug_level.attr, #endif @@ -2990,12 +3238,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_iounmap; } - /* amp init */ - err = priv->cfg->ops->lib->apm_ops.init(priv); - if (err < 0) { - IWL_ERR(priv, "Failed to init APMG\n"); - goto out_iounmap; - } /***************** * 4. Read EEPROM *****************/ @@ -3141,6 +3383,15 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) iwl_down(priv); } + /* + * Make sure device is reset to low power before unloading driver. + * This may be redundant with iwl_down(), but there are paths to + * run iwl_down() without calling apm_ops.stop(), and there are + * paths to avoid running iwl_down() at all before leaving driver. + * This (inexpensive) call *makes sure* device is reset. + */ + priv->cfg->ops->lib->apm_ops.stop(priv); + iwl_tt_exit(priv); /* make sure we flush any pending irq or @@ -3220,20 +3471,43 @@ static struct pci_device_id iwl_hw_card_ids[] = { /* 5150 Wifi/WiMax */ {IWL_PCI_DEVICE(0x423C, PCI_ANY_ID, iwl5150_agn_cfg)}, {IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)}, -/* 6000/6050 Series */ - {IWL_PCI_DEVICE(0x008D, PCI_ANY_ID, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008E, PCI_ANY_ID, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x422B, PCI_ANY_ID, iwl6000_3agn_cfg)}, - {IWL_PCI_DEVICE(0x422C, PCI_ANY_ID, iwl6000i_2agn_cfg)}, - {IWL_PCI_DEVICE(0x4238, PCI_ANY_ID, iwl6000_3agn_cfg)}, - {IWL_PCI_DEVICE(0x4239, PCI_ANY_ID, iwl6000i_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0086, PCI_ANY_ID, iwl6050_3agn_cfg)}, - {IWL_PCI_DEVICE(0x0087, PCI_ANY_ID, iwl6050_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0088, PCI_ANY_ID, iwl6050_3agn_cfg)}, - {IWL_PCI_DEVICE(0x0089, PCI_ANY_ID, iwl6050_2agn_cfg)}, + +/* 6x00 Series */ + {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)}, + {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)}, + {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)}, + +/* 6x50 WiFi/WiMax Series */ + {IWL_PCI_DEVICE(0x0086, 0x1101, iwl6050_3agn_cfg)}, + {IWL_PCI_DEVICE(0x0086, 0x1121, iwl6050_3agn_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0088, 0x1111, iwl6050_3agn_cfg)}, + {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)}, + /* 1000 Series WiFi */ - {IWL_PCI_DEVICE(0x0083, PCI_ANY_ID, iwl1000_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0084, PCI_ANY_ID, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)}, #endif /* CONFIG_IWL5000 */ {0} @@ -3288,9 +3562,9 @@ module_exit(iwl_exit); module_init(iwl_init); #ifdef CONFIG_IWLWIFI_DEBUG -module_param_named(debug50, iwl_debug_level, uint, 0444); +module_param_named(debug50, iwl_debug_level, uint, S_IRUGO); MODULE_PARM_DESC(debug50, "50XX debug output mask (deprecated)"); -module_param_named(debug, iwl_debug_level, uint, 0644); +module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "debug output mask"); #endif |