diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 2038 |
1 files changed, 1014 insertions, 1024 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 8e1942ebd9a0..b0ae4de7f083 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -26,14 +26,9 @@ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/pci.h> -#include <linux/pci-aspm.h> #include <linux/slab.h> #include <linux/dma-mapping.h> #include <linux/delay.h> @@ -49,8 +44,6 @@ #include <asm/div64.h> -#define DRV_NAME "iwlagn" - #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" @@ -59,7 +52,8 @@ #include "iwl-sta.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" - +#include "iwl-bus.h" +#include "iwl-trans.h" /****************************************************************************** * @@ -93,12 +87,10 @@ void iwl_update_chain_flags(struct iwl_priv *priv) { struct iwl_rxon_context *ctx; - if (priv->cfg->ops->hcmd->set_rxon_chain) { - for_each_context(priv, ctx) { - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - if (ctx->active.rx_chain != ctx->staging.rx_chain) - iwlcore_commit_rxon(priv, ctx); - } + for_each_context(priv, ctx) { + iwlagn_set_rxon_chain(priv, ctx); + if (ctx->active.rx_chain != ctx->staging.rx_chain) + iwlagn_commit_rxon(priv, ctx); } } @@ -134,7 +126,9 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) struct iwl_tx_beacon_cmd *tx_beacon_cmd; struct iwl_host_cmd cmd = { .id = REPLY_TX_BEACON, + .flags = CMD_SYNC, }; + struct ieee80211_tx_info *info; u32 frame_size; u32 rate_flags; u32 rate; @@ -175,14 +169,31 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) frame_size); /* Set up packet rate and flags */ - rate = iwl_rate_get_lowest_plcp(priv, priv->beacon_ctx); + info = IEEE80211_SKB_CB(priv->beacon_skb); + + /* + * Let's set up the rate at least somewhat correctly; + * it will currently not actually be used by the uCode, + * it uses the broadcast station's rate instead. + */ + if (info->control.rates[0].idx < 0 || + info->control.rates[0].flags & IEEE80211_TX_RC_MCS) + rate = 0; + else + rate = info->control.rates[0].idx; + priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, priv->hw_params.valid_tx_ant); rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); - if ((rate >= IWL_FIRST_CCK_RATE) && (rate <= IWL_LAST_CCK_RATE)) + + /* In mac80211, rates for 5 GHz start at 0 */ + if (info->band == IEEE80211_BAND_5GHZ) + rate += IWL_FIRST_OFDM_RATE; + else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE) rate_flags |= RATE_MCS_CCK_MSK; - tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate, - rate_flags); + + tx_beacon_cmd->tx.rate_n_flags = + iwl_hw_set_rate_n_flags(rate, rate_flags); /* Submit command */ cmd.len[0] = sizeof(*tx_beacon_cmd); @@ -192,7 +203,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) cmd.data[1] = priv->beacon_skb->data; cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; - return iwl_send_cmd_sync(priv, &cmd); + return trans_send_cmd(&priv->trans, &cmd); } static void iwl_bg_beacon_update(struct work_struct *work) @@ -245,7 +256,7 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) /* dont send host command if rf-kill is on */ if (!iwl_is_ready_rf(priv)) return; - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_send_advance_bt_config(priv); } static void iwl_bg_bt_full_concurrency(struct work_struct *work) @@ -272,12 +283,11 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work) * to avoid 3-wire collisions */ for_each_context(priv, ctx) { - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - iwlcore_commit_rxon(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); + iwlagn_commit_rxon(priv, ctx); } - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_send_advance_bt_config(priv); out: mutex_unlock(&priv->mutex); } @@ -362,7 +372,7 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv) u32 next_entry; /* index of next entry to be written by uCode */ base = priv->device_pointers.error_event_table; - if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { + if (iwlagn_hw_valid_rtc_data_addr(base)) { capacity = iwl_read_targ_mem(priv, base); num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); @@ -440,383 +450,8 @@ static void iwl_bg_tx_flush(struct work_struct *work) if (!iwl_is_ready_rf(priv)) return; - if (priv->cfg->ops->lib->txfifo_flush) { - IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); - iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); - } -} - -/** - * iwl_rx_handle - Main entry function for receiving responses from uCode - * - * Uses the priv->rx_handlers callback function array to invoke - * the appropriate handlers, including command responses, - * frame-received notifications, and other notifications. - */ -static void iwl_rx_handle(struct iwl_priv *priv) -{ - struct iwl_rx_mem_buffer *rxb; - struct iwl_rx_packet *pkt; - struct iwl_rx_queue *rxq = &priv->rxq; - u32 r, i; - int reclaim; - unsigned long flags; - u8 fill_rx = 0; - u32 count = 8; - int total_empty; - - /* uCode's read index (stored in shared DRAM) indicates the last Rx - * buffer that the driver may process (last buffer filled by ucode). */ - r = le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF; - i = rxq->read; - - /* Rx interrupt, but nothing sent from uCode */ - if (i == r) - IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i); - - /* calculate total frames need to be restock after handling RX */ - total_empty = r - rxq->write_actual; - if (total_empty < 0) - total_empty += RX_QUEUE_SIZE; - - if (total_empty > (RX_QUEUE_SIZE / 2)) - fill_rx = 1; - - while (i != r) { - int len; - - rxb = rxq->queue[i]; - - /* If an RXB doesn't have a Rx queue slot associated with it, - * then a bug has been introduced in the queue refilling - * routines -- catch it here */ - if (WARN_ON(rxb == NULL)) { - i = (i + 1) & RX_QUEUE_MASK; - continue; - } - - rxq->queue[i] = NULL; - - pci_unmap_page(priv->pci_dev, rxb->page_dma, - PAGE_SIZE << priv->hw_params.rx_page_order, - PCI_DMA_FROMDEVICE); - pkt = rxb_addr(rxb); - - len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; - len += sizeof(u32); /* account for status word */ - trace_iwlwifi_dev_rx(priv, pkt, len); - - /* Reclaim a command buffer only if this packet is a response - * to a (driver-originated) command. - * If the packet (e.g. Rx frame) originated from uCode, - * there is no command buffer to reclaim. - * Ucode should set SEQ_RX_FRAME bit if ucode-originated, - * but apparently a few don't get set; catch them here. */ - reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) && - (pkt->hdr.cmd != REPLY_RX_PHY_CMD) && - (pkt->hdr.cmd != REPLY_RX) && - (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) && - (pkt->hdr.cmd != REPLY_COMPRESSED_BA) && - (pkt->hdr.cmd != STATISTICS_NOTIFICATION) && - (pkt->hdr.cmd != REPLY_TX); - - /* - * Do the notification wait before RX handlers so - * even if the RX handler consumes the RXB we have - * access to it in the notification wait entry. - */ - if (!list_empty(&priv->_agn.notif_waits)) { - struct iwl_notification_wait *w; - - spin_lock(&priv->_agn.notif_wait_lock); - list_for_each_entry(w, &priv->_agn.notif_waits, list) { - if (w->cmd == pkt->hdr.cmd) { - w->triggered = true; - if (w->fn) - w->fn(priv, pkt, w->fn_data); - } - } - spin_unlock(&priv->_agn.notif_wait_lock); - - wake_up_all(&priv->_agn.notif_waitq); - } - if (priv->pre_rx_handler) - priv->pre_rx_handler(priv, rxb); - - /* Based on type of command response or notification, - * handle those that need handling via function in - * rx_handlers table. See iwl_setup_rx_handlers() */ - 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->isr_stats.rx_handlers[pkt->hdr.cmd]++; - priv->rx_handlers[pkt->hdr.cmd] (priv, rxb); - } else { - /* No handling needed */ - IWL_DEBUG_RX(priv, - "r %d i %d No handler needed for %s, 0x%02x\n", - r, i, get_cmd_string(pkt->hdr.cmd), - 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 buffer to caller, - * and fire off the (possibly) blocking iwl_send_cmd() - * as we reclaim the driver command queue */ - if (rxb->page) - iwl_tx_cmd_complete(priv, rxb); - else - IWL_WARN(priv, "Claim null rxb?\n"); - } - - /* 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); - 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) { - rxq->read = i; - iwlagn_rx_replenish_now(priv); - count = 0; - } - } - } - - /* Backtrack one entry */ - rxq->read = i; - if (fill_rx) - iwlagn_rx_replenish_now(priv); - else - iwlagn_rx_queue_restock(priv); -} - -/* tasklet for iwlagn interrupt */ -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 - - spin_lock_irqsave(&priv->lock, flags); - - /* Ack/clear/reset pending uCode interrupts. - * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS, - */ - /* There is a hardware bug in the interrupt mask function that some - * interrupts (i.e. CSR_INT_BIT_SCD) can still be generated even if - * they are disabled in the CSR_INT_MASK register. Furthermore the - * ICT interrupt handling mechanism has another bug that might cause - * these unmasked interrupts fail to be detected. We workaround the - * hardware bugs here by ACKing all the possible interrupts so that - * interrupt coalescing can still be achieved. - */ - iwl_write32(priv, CSR_INT, priv->_agn.inta | ~priv->inta_mask); - - inta = priv->_agn.inta; - -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & IWL_DL_ISR) { - /* just for debug */ - inta_mask = iwl_read32(priv, CSR_INT_MASK); - IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x\n ", - inta, inta_mask); - } -#endif - - spin_unlock_irqrestore(&priv->lock, flags); - - /* saved interrupt in inta variable now we can reset priv->_agn.inta */ - priv->_agn.inta = 0; - - /* Now service all interrupt bits discovered above. */ - if (inta & CSR_INT_BIT_HW_ERR) { - IWL_ERR(priv, "Hardware error detected. Restarting.\n"); - - /* Tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); - - priv->isr_stats.hw++; - iwl_irq_handle_error(priv); - - handled |= CSR_INT_BIT_HW_ERR; - - return; - } - -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) { - /* NIC fires this, but we don't use it, redundant with WAKEUP */ - if (inta & CSR_INT_BIT_SCD) { - IWL_DEBUG_ISR(priv, "Scheduler finished to transmit " - "the frame/frames.\n"); - priv->isr_stats.sch++; - } - - /* Alive notification via Rx interrupt will do the real work */ - if (inta & CSR_INT_BIT_ALIVE) { - IWL_DEBUG_ISR(priv, "Alive interrupt\n"); - priv->isr_stats.alive++; - } - } -#endif - /* Safely ignore these bits for debug checks below */ - inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE); - - /* HW RF KILL switch toggled */ - if (inta & CSR_INT_BIT_RF_KILL) { - int hw_rf_kill = 0; - if (!(iwl_read32(priv, CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) - hw_rf_kill = 1; - - IWL_WARN(priv, "RF_KILL bit toggled to %s.\n", - hw_rf_kill ? "disable radio" : "enable radio"); - - priv->isr_stats.rfkill++; - - /* driver only loads ucode once setting the interface up. - * the driver allows loading the ucode even if the radio - * is killed. Hence update the killswitch state here. The - * rfkill handler will care about restarting if needed. - */ - if (!test_bit(STATUS_ALIVE, &priv->status)) { - if (hw_rf_kill) - set_bit(STATUS_RF_KILL_HW, &priv->status); - else - clear_bit(STATUS_RF_KILL_HW, &priv->status); - wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill); - } - - handled |= CSR_INT_BIT_RF_KILL; - } - - /* Chip got too hot and stopped itself */ - if (inta & CSR_INT_BIT_CT_KILL) { - IWL_ERR(priv, "Microcode CT kill error detected.\n"); - priv->isr_stats.ctkill++; - handled |= CSR_INT_BIT_CT_KILL; - } - - /* Error detected by uCode */ - if (inta & CSR_INT_BIT_SW_ERR) { - IWL_ERR(priv, "Microcode SW error detected. " - " Restarting 0x%X.\n", inta); - priv->isr_stats.sw++; - iwl_irq_handle_error(priv); - handled |= CSR_INT_BIT_SW_ERR; - } - - /* uCode wakes up after power-down sleep */ - if (inta & CSR_INT_BIT_WAKEUP) { - IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); - iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - 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; - } - - /* All uCode command responses, including Tx command responses, - * Rx "responses" (frame-received notification), and other - * notifications from uCode come through here*/ - if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX | - CSR_INT_BIT_RX_PERIODIC)) { - IWL_DEBUG_ISR(priv, "Rx interrupt\n"); - if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { - handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); - iwl_write32(priv, CSR_FH_INT_STATUS, - CSR_FH_INT_RX_MASK); - } - if (inta & CSR_INT_BIT_RX_PERIODIC) { - handled |= CSR_INT_BIT_RX_PERIODIC; - iwl_write32(priv, CSR_INT, CSR_INT_BIT_RX_PERIODIC); - } - /* Sending RX interrupt require many steps to be done in the - * the device: - * 1- write interrupt to current index in ICT table. - * 2- dma RX frame. - * 3- update RX shared data to indicate last write index. - * 4- send interrupt. - * This could lead to RX race, driver could receive RX interrupt - * but the shared data changes does not reflect this; - * periodic interrupt will detect any dangling Rx activity. - */ - - /* Disable periodic interrupt; we use it as just a one-shot. */ - iwl_write8(priv, CSR_INT_PERIODIC_REG, - CSR_INT_PERIODIC_DIS); - iwl_rx_handle(priv); - - /* - * Enable periodic interrupt in 8 msec only if we received - * real RX interrupt (instead of just periodic int), to catch - * any dangling Rx interrupt. If it was just the periodic - * interrupt, there was no dangling Rx activity, and no need - * to extend the periodic interrupt; one-shot is enough. - */ - if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) - iwl_write8(priv, CSR_INT_PERIODIC_REG, - CSR_INT_PERIODIC_ENA); - - priv->isr_stats.rx++; - } - - /* This "Tx" DMA channel is used only for loading uCode */ - if (inta & CSR_INT_BIT_FH_TX) { - iwl_write32(priv, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK); - IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); - priv->isr_stats.tx++; - handled |= CSR_INT_BIT_FH_TX; - /* Wake up uCode load routine, now that load is complete */ - priv->ucode_write_complete = 1; - wake_up_interruptible(&priv->wait_command_queue); - } - - if (inta & ~handled) { - IWL_ERR(priv, "Unhandled INTA bits 0x%08x\n", inta & ~handled); - priv->isr_stats.unhandled++; - } - - if (inta & ~(priv->inta_mask)) { - IWL_WARN(priv, "Disabled INTA bits 0x%08x were pending\n", - inta & ~priv->inta_mask); - } - - /* Re-enable all interrupts */ - /* only Re-enable if disabled by irq */ - if (test_bit(STATUS_INT_ENABLED, &priv->status)) - iwl_enable_interrupts(priv); - /* Re-enable RF_KILL if it occurred */ - else if (handled & CSR_INT_BIT_RF_KILL) - iwl_enable_rfkill_int(priv); + IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); + iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); } /***************************************************************************** @@ -939,22 +574,29 @@ static struct attribute_group iwl_attribute_group = { * ******************************************************************************/ -static void iwl_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) +static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc) { if (desc->v_addr) - dma_free_coherent(&pci_dev->dev, desc->len, + dma_free_coherent(priv->bus->dev, desc->len, desc->v_addr, desc->p_addr); desc->v_addr = NULL; desc->len = 0; } -static void iwl_free_fw_img(struct pci_dev *pci_dev, struct fw_img *img) +static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img) +{ + iwl_free_fw_desc(priv, &img->code); + iwl_free_fw_desc(priv, &img->data); +} + +static void iwl_dealloc_ucode(struct iwl_priv *priv) { - iwl_free_fw_desc(pci_dev, &img->code); - iwl_free_fw_desc(pci_dev, &img->data); + iwl_free_fw_img(priv, &priv->ucode_rt); + iwl_free_fw_img(priv, &priv->ucode_init); + iwl_free_fw_img(priv, &priv->ucode_wowlan); } -static int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc, +static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, const void *data, size_t len) { if (!len) { @@ -962,21 +604,16 @@ static int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc, return -EINVAL; } - desc->v_addr = dma_alloc_coherent(&pci_dev->dev, len, + desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, &desc->p_addr, GFP_KERNEL); if (!desc->v_addr) return -ENOMEM; + desc->len = len; memcpy(desc->v_addr, data, len); return 0; } -static void iwl_dealloc_ucode_pci(struct iwl_priv *priv) -{ - iwl_free_fw_img(priv->pci_dev, &priv->ucode_rt); - iwl_free_fw_img(priv->pci_dev, &priv->ucode_init); -} - struct iwlagn_ucode_capabilities { u32 max_probe_length; u32 standard_phy_calibration_size; @@ -1021,13 +658,14 @@ static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) priv->firmware_name); return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, - &priv->pci_dev->dev, GFP_KERNEL, priv, - iwl_ucode_callback); + priv->bus->dev, + GFP_KERNEL, priv, iwl_ucode_callback); } struct iwlagn_firmware_pieces { - const void *inst, *data, *init, *init_data; - size_t inst_size, data_size, init_size, init_data_size; + const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data; + size_t inst_size, data_size, init_size, init_data_size, + wowlan_inst_size, wowlan_data_size; u32 build; @@ -1266,6 +904,14 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, goto invalid_tlv_len; priv->enhance_sensitivity_table = true; break; + case IWL_UCODE_TLV_WOWLAN_INST: + pieces->wowlan_inst = tlv_data; + pieces->wowlan_inst_size = tlv_len; + break; + case IWL_UCODE_TLV_WOWLAN_DATA: + pieces->wowlan_data = tlv_data; + pieces->wowlan_data_size = tlv_len; + break; case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; @@ -1443,23 +1089,35 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) /* Runtime instructions and 2 copies of data: * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ - if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.code, + if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, pieces.inst, pieces.inst_size)) goto err_pci_alloc; - if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.data, + if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, pieces.data, pieces.data_size)) goto err_pci_alloc; /* Initialization instructions and data */ if (pieces.init_size && pieces.init_data_size) { - if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.code, + if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, pieces.init, pieces.init_size)) goto err_pci_alloc; - if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.data, + if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, pieces.init_data, pieces.init_data_size)) goto err_pci_alloc; } + /* WoWLAN instructions and data */ + if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { + if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code, + pieces.wowlan_inst, + pieces.wowlan_inst_size)) + goto err_pci_alloc; + if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data, + pieces.wowlan_data, + pieces.wowlan_data_size)) + goto err_pci_alloc; + } + /* Now that we can no longer fail, copy information */ /* @@ -1467,25 +1125,26 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) * for each event, which is of mode 1 (including timestamp) for all * new microcodes that include this information. */ - priv->_agn.init_evtlog_ptr = pieces.init_evtlog_ptr; + priv->init_evtlog_ptr = pieces.init_evtlog_ptr; if (pieces.init_evtlog_size) - priv->_agn.init_evtlog_size = (pieces.init_evtlog_size - 16)/12; + priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; else - priv->_agn.init_evtlog_size = + priv->init_evtlog_size = priv->cfg->base_params->max_event_log_size; - priv->_agn.init_errlog_ptr = pieces.init_errlog_ptr; - priv->_agn.inst_evtlog_ptr = pieces.inst_evtlog_ptr; + priv->init_errlog_ptr = pieces.init_errlog_ptr; + priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; if (pieces.inst_evtlog_size) - priv->_agn.inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; + priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; else - priv->_agn.inst_evtlog_size = + priv->inst_evtlog_size = priv->cfg->base_params->max_event_log_size; - priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr; + priv->inst_errlog_ptr = pieces.inst_errlog_ptr; priv->new_scan_threshold_behaviour = !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); - if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { + if ((priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE) && + (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) { priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; } else @@ -1505,9 +1164,9 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) ucode_capa.standard_phy_calibration_size = IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; - priv->_agn.phy_calib_chain_noise_reset_cmd = + priv->phy_calib_chain_noise_reset_cmd = ucode_capa.standard_phy_calibration_size; - priv->_agn.phy_calib_chain_noise_gain_cmd = + priv->phy_calib_chain_noise_gain_cmd = ucode_capa.standard_phy_calibration_size + 1; /************************************************** @@ -1523,7 +1182,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) if (err) IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); - err = sysfs_create_group(&priv->pci_dev->dev.kobj, + err = sysfs_create_group(&(priv->bus->dev->kobj), &iwl_attribute_group); if (err) { IWL_ERR(priv, "failed to create sysfs device attributes\n"); @@ -1532,7 +1191,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) /* We have our copies now, allow OS release its copies */ release_firmware(ucode_raw); - complete(&priv->_agn.firmware_loading_complete); + complete(&priv->firmware_loading_complete); return; try_again: @@ -1544,14 +1203,14 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) err_pci_alloc: IWL_ERR(priv, "failed to allocate pci memory\n"); - iwl_dealloc_ucode_pci(priv); + iwl_dealloc_ucode(priv); out_unbind: - complete(&priv->_agn.firmware_loading_complete); - device_release_driver(&priv->pci_dev->dev); + complete(&priv->firmware_loading_complete); + device_release_driver(priv->bus->dev); release_firmware(ucode_raw); } -static const char *desc_lookup_text[] = { +static const char * const desc_lookup_text[] = { "OK", "FAIL", "BAD_PARAM", @@ -1575,7 +1234,7 @@ static const char *desc_lookup_text[] = { "NMI_INTERRUPT_DATA_ACTION_PT", "NMI_TRM_HW_ER", "NMI_INTERRUPT_TRM", - "NMI_INTERRUPT_BREAK_POINT" + "NMI_INTERRUPT_BREAK_POINT", "DEBUG_0", "DEBUG_1", "DEBUG_2", @@ -1626,19 +1285,19 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv) struct iwl_error_event_table table; base = priv->device_pointers.error_event_table; - if (priv->ucode_type == UCODE_SUBTYPE_INIT) { + if (priv->ucode_type == IWL_UCODE_INIT) { if (!base) - base = priv->_agn.init_errlog_ptr; + base = priv->init_errlog_ptr; } else { if (!base) - base = priv->_agn.inst_errlog_ptr; + base = priv->inst_errlog_ptr; } - if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { + if (!iwlagn_hw_valid_rtc_data_addr(base)) { IWL_ERR(priv, "Not valid error log pointer 0x%08X for %s uCode\n", base, - (priv->ucode_type == UCODE_SUBTYPE_INIT) + (priv->ucode_type == IWL_UCODE_INIT) ? "Init" : "RT"); return; } @@ -1702,12 +1361,12 @@ static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, return pos; base = priv->device_pointers.log_event_table; - if (priv->ucode_type == UCODE_SUBTYPE_INIT) { + if (priv->ucode_type == IWL_UCODE_INIT) { if (!base) - base = priv->_agn.init_evtlog_ptr; + base = priv->init_evtlog_ptr; } else { if (!base) - base = priv->_agn.inst_evtlog_ptr; + base = priv->inst_evtlog_ptr; } if (mode == 0) @@ -1815,21 +1474,21 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, size_t bufsz = 0; base = priv->device_pointers.log_event_table; - if (priv->ucode_type == UCODE_SUBTYPE_INIT) { - logsize = priv->_agn.init_evtlog_size; + if (priv->ucode_type == IWL_UCODE_INIT) { + logsize = priv->init_evtlog_size; if (!base) - base = priv->_agn.init_evtlog_ptr; + base = priv->init_evtlog_ptr; } else { - logsize = priv->_agn.inst_evtlog_size; + logsize = priv->inst_evtlog_size; if (!base) - base = priv->_agn.inst_evtlog_ptr; + base = priv->inst_evtlog_ptr; } - if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { + if (!iwlagn_hw_valid_rtc_data_addr(base)) { IWL_ERR(priv, "Invalid event log pointer 0x%08X for %s uCode\n", base, - (priv->ucode_type == UCODE_SUBTYPE_INIT) + (priv->ucode_type == IWL_UCODE_INIT) ? "Init" : "RT"); return -EINVAL; } @@ -1928,8 +1587,9 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) adv_cmd.critical_temperature_exit = cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); - ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, - sizeof(adv_cmd), &adv_cmd); + ret = trans_send_cmd_pdu(&priv->trans, + REPLY_CT_KILL_CONFIG_CMD, + CMD_SYNC, sizeof(adv_cmd), &adv_cmd); if (ret) IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); else @@ -1943,8 +1603,9 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) cmd.critical_temperature_R = cpu_to_le32(priv->hw_params.ct_kill_threshold); - ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, - sizeof(cmd), &cmd); + ret = trans_send_cmd_pdu(&priv->trans, + REPLY_CT_KILL_CONFIG_CMD, + CMD_SYNC, sizeof(cmd), &cmd); if (ret) IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); else @@ -1968,10 +1629,29 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); - return iwl_send_cmd(priv, &cmd); + return trans_send_cmd(&priv->trans, &cmd); } +static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) +{ + struct iwl_tx_ant_config_cmd tx_ant_cmd = { + .valid = cpu_to_le32(valid_tx_ant), + }; + + if (IWL_UCODE_API(priv->ucode_ver) > 1) { + IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); + return trans_send_cmd_pdu(&priv->trans, + TX_ANT_CONFIGURATION_CMD, + CMD_SYNC, + sizeof(struct iwl_tx_ant_config_cmd), + &tx_ant_cmd); + } else { + IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); + return -EOPNOTSUPP; + } +} + /** * iwl_alive_start - called after REPLY_ALIVE notification received * from protocol/runtime uCode (initialization uCode's @@ -1982,6 +1662,7 @@ int iwl_alive_start(struct iwl_priv *priv) int ret = 0; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + /*TODO: this should go to the transport layer */ iwl_reset_ict(priv); IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); @@ -1999,11 +1680,18 @@ int iwl_alive_start(struct iwl_priv *priv) if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) { /* Configure Bluetooth device coexistence support */ + if (priv->cfg->bt_params->bt_sco_disable) + priv->bt_enable_pspoll = false; + else + priv->bt_enable_pspoll = true; + priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_send_advance_bt_config(priv); priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; + priv->cur_rssi_ctx = NULL; + iwlagn_send_prio_tbl(priv); /* FIXME: w/a to force change uCode BT state machine */ @@ -2015,7 +1703,13 @@ int iwl_alive_start(struct iwl_priv *priv) BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; + } else { + /* + * default is 2-wire BT coexexistence support + */ + iwl_send_bt_config(priv); } + if (priv->hw_params.calib_rt_cfg) iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg); @@ -2024,10 +1718,9 @@ int iwl_alive_start(struct iwl_priv *priv) priv->active_rate = IWL_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); + iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); - if (iwl_is_associated_ctx(ctx)) { + if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { struct iwl_rxon_cmd *active_rxon = (struct iwl_rxon_cmd *)&ctx->active; /* apply any changes in staging */ @@ -2039,24 +1732,18 @@ int iwl_alive_start(struct iwl_priv *priv) for_each_context(priv, tmp) iwl_connection_init_rx_config(priv, tmp); - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); } - if (!priv->cfg->bt_params || (priv->cfg->bt_params && - !priv->cfg->bt_params->advanced_bt_coexist)) { - /* - * default is 2-wire BT coexexistence support - */ - priv->cfg->ops->hcmd->send_bt_config(priv); + if (!priv->wowlan) { + /* WoWLAN ucode will not reply in the same way, skip it */ + iwl_reset_run_time_calib(priv); } - iwl_reset_run_time_calib(priv); - set_bit(STATUS_READY, &priv->status); /* Configure the adapter for unassociated operation */ - ret = iwlcore_commit_rxon(priv, ctx); + ret = iwlagn_commit_rxon(priv, ctx); if (ret) return ret; @@ -2090,6 +1777,8 @@ static void __iwl_down(struct iwl_priv *priv) /* reset BT coex data */ priv->bt_status = 0; + priv->cur_rssi_ctx = NULL; + priv->bt_is_sco = 0; if (priv->cfg->bt_params) priv->bt_traffic_load = priv->cfg->bt_params->bt_init_traffic_load; @@ -2116,7 +1805,7 @@ static void __iwl_down(struct iwl_priv *priv) test_bit(STATUS_EXIT_PENDING, &priv->status) << STATUS_EXIT_PENDING; - iwlagn_stop_device(priv); + trans_stop_device(&priv->trans); dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = NULL; @@ -2131,55 +1820,6 @@ static void iwl_down(struct iwl_priv *priv) iwl_cancel_deferred_work(priv); } -#define HW_READY_TIMEOUT (50) - -/* Note: returns poll_bit return value, which is >= 0 if success */ -static int iwl_set_hw_ready(struct iwl_priv *priv) -{ - int ret; - - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_NIC_READY); - - /* See if we got it */ - ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, - CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, - HW_READY_TIMEOUT); - - IWL_DEBUG_INFO(priv, "hardware%s ready\n", ret < 0 ? " not" : ""); - return ret; -} - -/* Note: returns standard 0/-ERROR code */ -int iwl_prepare_card_hw(struct iwl_priv *priv) -{ - int ret; - - IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter\n"); - - ret = iwl_set_hw_ready(priv); - if (ret >= 0) - return 0; - - /* If HW is not ready, prepare the conditions to check again */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_PREPARE); - - ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, - ~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, - CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000); - - if (ret < 0) - return ret; - - /* HW should be ready by now, check again. */ - ret = iwl_set_hw_ready(priv); - if (ret >= 0) - return 0; - return ret; -} - #define MAX_HW_RESTARTS 5 static int __iwl_up(struct iwl_priv *priv) @@ -2210,8 +1850,7 @@ static int __iwl_up(struct iwl_priv *priv) ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_rt, - UCODE_SUBTYPE_REGULAR, - UCODE_SUBTYPE_REGULAR_NEW); + IWL_UCODE_REGULAR); if (ret) { IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); goto error; @@ -2266,6 +1905,7 @@ static void iwlagn_prepare_restart(struct iwl_priv *priv) u8 bt_ci_compliance; u8 bt_load; u8 bt_status; + bool bt_is_sco; lockdep_assert_held(&priv->mutex); @@ -2286,6 +1926,7 @@ static void iwlagn_prepare_restart(struct iwl_priv *priv) bt_ci_compliance = priv->bt_ci_compliance; bt_load = priv->bt_traffic_load; bt_status = priv->bt_status; + bt_is_sco = priv->bt_is_sco; __iwl_down(priv); @@ -2293,6 +1934,7 @@ static void iwlagn_prepare_restart(struct iwl_priv *priv) priv->bt_ci_compliance = bt_ci_compliance; priv->bt_traffic_load = bt_load; priv->bt_status = bt_status; + priv->bt_is_sco = bt_is_sco; } static void iwl_bg_restart(struct work_struct *data) @@ -2313,19 +1955,6 @@ static void iwl_bg_restart(struct work_struct *data) } } -static void iwl_bg_rx_replenish(struct work_struct *data) -{ - struct iwl_priv *priv = - container_of(data, struct iwl_priv, rx_replenish); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - mutex_lock(&priv->mutex); - iwlagn_rx_replenish(priv); - mutex_unlock(&priv->mutex); -} - static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, @@ -2360,7 +1989,7 @@ static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb, /* TODO: queue up if scanning? */ if (test_bit(STATUS_SCANNING, &priv->status) || - priv->_agn.offchan_tx_skb) { + priv->offchan_tx_skb) { ret = -EBUSY; goto out; } @@ -2374,14 +2003,14 @@ static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb, goto out; } - priv->_agn.offchan_tx_skb = skb; - priv->_agn.offchan_tx_timeout = wait; - priv->_agn.offchan_tx_chan = chan; + priv->offchan_tx_skb = skb; + priv->offchan_tx_timeout = wait; + priv->offchan_tx_chan = chan; ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif, IWL_SCAN_OFFCH_TX, chan->band); if (ret) - priv->_agn.offchan_tx_skb = NULL; + priv->offchan_tx_skb = NULL; out: mutex_unlock(&priv->mutex); free: @@ -2398,12 +2027,12 @@ static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw) mutex_lock(&priv->mutex); - if (!priv->_agn.offchan_tx_skb) { + if (!priv->offchan_tx_skb) { ret = -EINVAL; goto unlock; } - priv->_agn.offchan_tx_skb = NULL; + priv->offchan_tx_skb = NULL; ret = iwl_scan_cancel_timeout(priv, 200); if (ret) @@ -2420,6 +2049,77 @@ unlock: * *****************************************************************************/ +static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION), + }, +}; + +static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT), + }, +}; + +static const struct ieee80211_iface_combination +iwlagn_iface_combinations_dualmode[] = { + { .num_different_channels = 1, + .max_interfaces = 2, + .beacon_int_infra_match = true, + .limits = iwlagn_sta_ap_limits, + .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), + }, + { .num_different_channels = 1, + .max_interfaces = 2, + .limits = iwlagn_2sta_limits, + .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), + }, +}; + +static const struct ieee80211_iface_combination +iwlagn_iface_combinations_p2p[] = { + { .num_different_channels = 1, + .max_interfaces = 2, + .beacon_int_infra_match = true, + .limits = iwlagn_p2p_sta_go_limits, + .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), + }, + { .num_different_channels = 1, + .max_interfaces = 2, + .limits = iwlagn_p2p_2sta_limits, + .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), + }, +}; + /* * Not a mac80211 entry point function, but it fits in with all the * other mac80211 functions grouped here. @@ -2445,7 +2145,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, hw->flags |= IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; - if (priv->cfg->sku & IWL_SKU_N) + if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | IEEE80211_HW_SUPPORTS_STATIC_SMPS; @@ -2460,17 +2160,45 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; } + BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); + + if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { + hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; + hw->wiphy->n_iface_combinations = + ARRAY_SIZE(iwlagn_iface_combinations_p2p); + } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { + hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; + hw->wiphy->n_iface_combinations = + ARRAY_SIZE(iwlagn_iface_combinations_dualmode); + } + hw->wiphy->max_remain_on_channel_duration = 1000; hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS | WIPHY_FLAG_IBSS_RSN; - /* - * For now, disable PS by default because it affects - * RX performance significantly. - */ - hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) { + hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_RFKILL_RELEASE; + if (!iwlagn_mod_params.sw_crypto) + hw->wiphy->wowlan.flags |= + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE; + + hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; + hw->wiphy->wowlan.pattern_min_len = + IWLAGN_WOWLAN_MIN_PATTERN_LEN; + hw->wiphy->wowlan.pattern_max_len = + IWLAGN_WOWLAN_MAX_PATTERN_LEN; + } + + if (iwlagn_mod_params.power_save) + hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; + else + hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; /* we create the 802.11 header and a zero-length SSID element */ @@ -2551,6 +2279,471 @@ static void iwlagn_mac_stop(struct ieee80211_hw *hw) IWL_DEBUG_MAC80211(priv, "leave\n"); } +#ifdef CONFIG_PM +static int iwlagn_send_patterns(struct iwl_priv *priv, + struct cfg80211_wowlan *wowlan) +{ + struct iwlagn_wowlan_patterns_cmd *pattern_cmd; + struct iwl_host_cmd cmd = { + .id = REPLY_WOWLAN_PATTERNS, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + .flags = CMD_SYNC, + }; + int i, err; + + if (!wowlan->n_patterns) + return 0; + + cmd.len[0] = sizeof(*pattern_cmd) + + wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); + + pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); + if (!pattern_cmd) + return -ENOMEM; + + pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); + + for (i = 0; i < wowlan->n_patterns; i++) { + int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); + + memcpy(&pattern_cmd->patterns[i].mask, + wowlan->patterns[i].mask, mask_len); + memcpy(&pattern_cmd->patterns[i].pattern, + wowlan->patterns[i].pattern, + wowlan->patterns[i].pattern_len); + pattern_cmd->patterns[i].mask_size = mask_len; + pattern_cmd->patterns[i].pattern_size = + wowlan->patterns[i].pattern_len; + } + + cmd.data[0] = pattern_cmd; + err = trans_send_cmd(&priv->trans, &cmd); + kfree(pattern_cmd); + return err; +} +#endif + +static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_gtk_rekey_data *data) +{ + struct iwl_priv *priv = hw->priv; + + if (iwlagn_mod_params.sw_crypto) + return; + + mutex_lock(&priv->mutex); + + if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) + goto out; + + memcpy(priv->kek, data->kek, NL80211_KEK_LEN); + memcpy(priv->kck, data->kck, NL80211_KCK_LEN); + priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); + priv->have_rekey_data = true; + + out: + mutex_unlock(&priv->mutex); +} + +struct wowlan_key_data { + struct iwl_rxon_context *ctx; + struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; + struct iwlagn_wowlan_tkip_params_cmd *tkip; + const u8 *bssid; + bool error, use_rsc_tsc, use_tkip; +}; + +#ifdef CONFIG_PM +static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) +{ + int i; + + for (i = 0; i < IWLAGN_P1K_SIZE; i++) + out[i] = cpu_to_le16(p1k[i]); +} + +static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct iwl_priv *priv = hw->priv; + struct wowlan_key_data *data = _data; + struct iwl_rxon_context *ctx = data->ctx; + struct aes_sc *aes_sc, *aes_tx_sc = NULL; + struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; + struct iwlagn_p1k_cache *rx_p1ks; + u8 *rx_mic_key; + struct ieee80211_key_seq seq; + u32 cur_rx_iv32 = 0; + u16 p1k[IWLAGN_P1K_SIZE]; + int ret, i; + + mutex_lock(&priv->mutex); + + if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || + key->cipher == WLAN_CIPHER_SUITE_WEP104) && + !sta && !ctx->key_mapping_keys) + ret = iwl_set_default_wep_key(priv, ctx, key); + else + ret = iwl_set_dynamic_key(priv, ctx, key, sta); + + if (ret) { + IWL_ERR(priv, "Error setting key during suspend!\n"); + data->error = true; + } + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + if (sta) { + tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; + tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; + + rx_p1ks = data->tkip->rx_uni; + + ieee80211_get_key_tx_seq(key, &seq); + tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); + tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); + + ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); + iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); + + memcpy(data->tkip->mic_keys.tx, + &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], + IWLAGN_MIC_KEY_SIZE); + + rx_mic_key = data->tkip->mic_keys.rx_unicast; + } else { + tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; + rx_p1ks = data->tkip->rx_multi; + rx_mic_key = data->tkip->mic_keys.rx_mcast; + } + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 (as they need to to avoid replay attacks) + * for checking the IV in the frames. + */ + for (i = 0; i < IWLAGN_NUM_RSC; i++) { + ieee80211_get_key_rx_seq(key, i, &seq); + tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); + tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); + /* wrapping isn't allowed, AP must rekey */ + if (seq.tkip.iv32 > cur_rx_iv32) + cur_rx_iv32 = seq.tkip.iv32; + } + + ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); + iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); + ieee80211_get_tkip_rx_p1k(key, data->bssid, + cur_rx_iv32 + 1, p1k); + iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); + + memcpy(rx_mic_key, + &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], + IWLAGN_MIC_KEY_SIZE); + + data->use_tkip = true; + data->use_rsc_tsc = true; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (sta) { + u8 *pn = seq.ccmp.pn; + + aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; + aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; + + ieee80211_get_key_tx_seq(key, &seq); + aes_tx_sc->pn = cpu_to_le64( + (u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } else + aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 for checking the IV in the frames. + */ + for (i = 0; i < IWLAGN_NUM_RSC; i++) { + u8 *pn = seq.ccmp.pn; + + ieee80211_get_key_rx_seq(key, i, &seq); + aes_sc->pn = cpu_to_le64( + (u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } + data->use_rsc_tsc = true; + break; + } + + mutex_unlock(&priv->mutex); +} + +static int iwlagn_mac_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan) +{ + struct iwl_priv *priv = hw->priv; + struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; + struct iwl_rxon_cmd rxon; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; + struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; + struct wowlan_key_data key_data = { + .ctx = ctx, + .bssid = ctx->active.bssid_addr, + .use_rsc_tsc = false, + .tkip = &tkip_cmd, + .use_tkip = false, + }; + int ret, i; + u16 seq; + + if (WARN_ON(!wowlan)) + return -EINVAL; + + mutex_lock(&priv->mutex); + + /* Don't attempt WoWLAN when not associated, tear down instead. */ + if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || + !iwl_is_associated_ctx(ctx)) { + ret = 1; + goto out; + } + + key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); + if (!key_data.rsc_tsc) { + ret = -ENOMEM; + goto out; + } + + memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); + + /* + * We know the last used seqno, and the uCode expects to know that + * one, it will increment before TX. + */ + seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; + wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); + + /* + * For QoS counters, we store the one to use next, so subtract 0x10 + * since the uCode will add 0x10 before using the value. + */ + for (i = 0; i < 8; i++) { + seq = priv->stations[IWL_AP_ID].tid[i].seq_number; + seq -= 0x10; + wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); + } + + if (wowlan->disconnect) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | + IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); + if (wowlan->magic_pkt) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); + if (wowlan->gtk_rekey_failure) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); + if (wowlan->eap_identity_req) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); + if (wowlan->four_way_handshake) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); + if (wowlan->rfkill_release) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL); + if (wowlan->n_patterns) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); + + iwl_scan_cancel_timeout(priv, 200); + + memcpy(&rxon, &ctx->active, sizeof(rxon)); + + trans_stop_device(&priv->trans); + + priv->wowlan = true; + + ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, + IWL_UCODE_WOWLAN); + if (ret) + goto error; + + /* now configure WoWLAN ucode */ + ret = iwl_alive_start(priv); + if (ret) + goto error; + + memcpy(&ctx->staging, &rxon, sizeof(rxon)); + ret = iwlagn_commit_rxon(priv, ctx); + if (ret) + goto error; + + ret = iwl_power_update_mode(priv, true); + if (ret) + goto error; + + if (!iwlagn_mod_params.sw_crypto) { + /* mark all keys clear */ + priv->ucode_key_table = 0; + ctx->key_mapping_keys = 0; + + /* + * This needs to be unlocked due to lock ordering + * constraints. Since we're in the suspend path + * that isn't really a problem though. + */ + mutex_unlock(&priv->mutex); + ieee80211_iter_keys(priv->hw, ctx->vif, + iwlagn_wowlan_program_keys, + &key_data); + mutex_lock(&priv->mutex); + if (key_data.error) { + ret = -EIO; + goto error; + } + + if (key_data.use_rsc_tsc) { + struct iwl_host_cmd rsc_tsc_cmd = { + .id = REPLY_WOWLAN_TSC_RSC_PARAMS, + .flags = CMD_SYNC, + .data[0] = key_data.rsc_tsc, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + .len[0] = sizeof(*key_data.rsc_tsc), + }; + + ret = trans_send_cmd(&priv->trans, &rsc_tsc_cmd); + if (ret) + goto error; + } + + if (key_data.use_tkip) { + ret = trans_send_cmd_pdu(&priv->trans, + REPLY_WOWLAN_TKIP_PARAMS, + CMD_SYNC, sizeof(tkip_cmd), + &tkip_cmd); + if (ret) + goto error; + } + + if (priv->have_rekey_data) { + memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); + memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); + kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); + memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); + kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); + kek_kck_cmd.replay_ctr = priv->replay_ctr; + + ret = trans_send_cmd_pdu(&priv->trans, + REPLY_WOWLAN_KEK_KCK_MATERIAL, + CMD_SYNC, sizeof(kek_kck_cmd), + &kek_kck_cmd); + if (ret) + goto error; + } + } + + ret = trans_send_cmd_pdu(&priv->trans, REPLY_WOWLAN_WAKEUP_FILTER, + CMD_SYNC, sizeof(wakeup_filter_cmd), + &wakeup_filter_cmd); + if (ret) + goto error; + + ret = iwlagn_send_patterns(priv, wowlan); + if (ret) + goto error; + + device_set_wakeup_enable(priv->bus->dev, true); + + /* Now let the ucode operate on its own */ + iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + + goto out; + + error: + priv->wowlan = false; + iwlagn_prepare_restart(priv); + ieee80211_restart_hw(priv->hw); + out: + mutex_unlock(&priv->mutex); + kfree(key_data.rsc_tsc); + return ret; +} + +static int iwlagn_mac_resume(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct ieee80211_vif *vif; + unsigned long flags; + u32 base, status = 0xffffffff; + int ret = -EIO; + + mutex_lock(&priv->mutex); + + iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + + base = priv->device_pointers.error_event_table; + if (iwlagn_hw_valid_rtc_data_addr(base)) { + spin_lock_irqsave(&priv->reg_lock, flags); + ret = iwl_grab_nic_access_silent(priv); + if (ret == 0) { + iwl_write32(priv, HBUS_TARG_MEM_RADDR, base); + status = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + iwl_release_nic_access(priv); + } + spin_unlock_irqrestore(&priv->reg_lock, flags); + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (ret == 0) { + if (!priv->wowlan_sram) + priv->wowlan_sram = + kzalloc(priv->ucode_wowlan.data.len, + GFP_KERNEL); + + if (priv->wowlan_sram) + _iwl_read_targ_mem_words( + priv, 0x800000, priv->wowlan_sram, + priv->ucode_wowlan.data.len / 4); + } +#endif + } + + /* we'll clear ctx->vif during iwlagn_prepare_restart() */ + vif = ctx->vif; + + priv->wowlan = false; + + device_set_wakeup_enable(priv->bus->dev, false); + + iwlagn_prepare_restart(priv); + + memset((void *)&ctx->active, 0, sizeof(ctx->active)); + iwl_connection_init_rx_config(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); + + mutex_unlock(&priv->mutex); + + ieee80211_resume_disconnect(vif); + + return 1; +} +#endif + static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct iwl_priv *priv = hw->priv; @@ -2573,14 +2766,8 @@ static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, u32 iv32, u16 *phase1key) { struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - iwl_update_tkip_key(priv, vif_priv->ctx, keyconf, sta, - iv32, phase1key); - IWL_DEBUG_MAC80211(priv, "leave\n"); + iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); } static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, @@ -2592,7 +2779,6 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; struct iwl_rxon_context *ctx = vif_priv->ctx; int ret; - u8 sta_id; bool is_default_wep_key = false; IWL_DEBUG_MAC80211(priv, "enter\n"); @@ -2603,20 +2789,27 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, } /* - * To support IBSS RSN, don't program group keys in IBSS, the - * hardware will then not attempt to decrypt the frames. + * We could program these keys into the hardware as well, but we + * don't expect much multicast traffic in IBSS and having keys + * for more stations is probably more useful. + * + * Mark key TX-only and return 0. */ if (vif->type == NL80211_IFTYPE_ADHOC && - !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) - return -EOPNOTSUPP; + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { + key->hw_key_idx = WEP_INVALID_OFFSET; + return 0; + } - sta_id = iwl_sta_id_or_broadcast(priv, vif_priv->ctx, sta); - if (sta_id == IWL_INVALID_STATION) - return -EINVAL; + /* If they key was TX-only, accept deletion */ + if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) + return 0; mutex_lock(&priv->mutex); iwl_scan_cancel_timeout(priv, 100); + BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); + /* * If we are getting WEP group key and we didn't receive any key mapping * so far, we are in legacy wep mode (group key only), otherwise we are @@ -2624,22 +2817,30 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, * In legacy wep mode, we use another host command to the uCode. */ if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || - key->cipher == WLAN_CIPHER_SUITE_WEP104) && - !sta) { + key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { if (cmd == SET_KEY) is_default_wep_key = !ctx->key_mapping_keys; else is_default_wep_key = - (key->hw_key_idx == HW_KEY_DEFAULT); + key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; } + switch (cmd) { case SET_KEY: - if (is_default_wep_key) + if (is_default_wep_key) { ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); - else - ret = iwl_set_dynamic_key(priv, vif_priv->ctx, - key, sta_id); + break; + } + ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); + if (ret) { + /* + * can't add key for RX, but we don't need it + * in the device for TX so still return 0 + */ + ret = 0; + key->hw_key_idx = WEP_INVALID_OFFSET; + } IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); break; @@ -2647,7 +2848,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (is_default_wep_key) ret = iwl_remove_default_wep_key(priv, ctx, key); else - ret = iwl_remove_dynamic_key(priv, ctx, key, sta_id); + ret = iwl_remove_dynamic_key(priv, ctx, key, sta); IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); break; @@ -2674,7 +2875,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", sta->addr, tid); - if (!(priv->cfg->sku & IWL_SKU_N)) + if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) return -EACCES; mutex_lock(&priv->mutex); @@ -2694,29 +2895,26 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, IWL_DEBUG_HT(priv, "start Tx\n"); ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); if (ret == 0) { - priv->_agn.agg_tids_count++; - IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n", - priv->_agn.agg_tids_count); + priv->agg_tids_count++; + IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", + priv->agg_tids_count); } break; case IEEE80211_AMPDU_TX_STOP: IWL_DEBUG_HT(priv, "stop Tx\n"); ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); - if ((ret == 0) && (priv->_agn.agg_tids_count > 0)) { - priv->_agn.agg_tids_count--; - IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n", - priv->_agn.agg_tids_count); + if ((ret == 0) && (priv->agg_tids_count > 0)) { + priv->agg_tids_count--; + IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", + priv->agg_tids_count); } if (test_bit(STATUS_EXIT_PENDING, &priv->status)) ret = 0; if (priv->cfg->ht_params && priv->cfg->ht_params->use_rts_for_aggregation) { - struct iwl_station_priv *sta_priv = - (void *) sta->drv_priv; /* * switch off RTS/CTS if it was previously enabled */ - sta_priv->lq_sta.lq.general_params.flags &= ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), @@ -2726,7 +2924,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_TX_OPERATIONAL: buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); - iwlagn_txq_agg_queue_setup(priv, sta, tid, buf_size); + trans_txq_agg_setup(&priv->trans, iwl_sta_id(sta), tid, + buf_size); /* * If the limit is 0, then it wasn't initialised yet, @@ -2764,6 +2963,9 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), &sta_priv->lq_sta.lq, CMD_ASYNC, false); + + IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", + sta->addr, tid); ret = 0; break; } @@ -2833,7 +3035,6 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; u16 ch; - unsigned long flags = 0; IWL_DEBUG_MAC80211(priv, "enter\n"); @@ -2850,65 +3051,64 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, if (!iwl_is_associated_ctx(ctx)) goto out; - if (priv->cfg->ops->lib->set_channel_switch) { + if (!priv->cfg->lib->set_channel_switch) + goto out; - ch = channel->hw_value; - if (le16_to_cpu(ctx->active.channel) != ch) { - ch_info = iwl_get_channel_info(priv, - channel->band, - ch); - if (!is_channel_valid(ch_info)) { - IWL_DEBUG_MAC80211(priv, "invalid channel\n"); - goto out; - } - spin_lock_irqsave(&priv->lock, flags); - - priv->current_ht_config.smps = conf->smps_mode; - - /* Configure HT40 channels */ - ctx->ht.enabled = conf_is_ht(conf); - if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } - } else - ctx->ht.is_40mhz = false; - - if ((le16_to_cpu(ctx->staging.channel) != ch)) - ctx->staging.flags = 0; - - iwl_set_rxon_channel(priv, channel, ctx); - iwl_set_rxon_ht(priv, ht_conf); - iwl_set_flags_for_band(priv, ctx, channel->band, - ctx->vif); - spin_unlock_irqrestore(&priv->lock, flags); - - iwl_set_rate(priv); - /* - * at this point, staging_rxon has the - * configuration for channel switch - */ - set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); - priv->switch_channel = cpu_to_le16(ch); - if (priv->cfg->ops->lib->set_channel_switch(priv, - ch_switch)) { - clear_bit(STATUS_CHANNEL_SWITCH_PENDING, - &priv->status); - priv->switch_channel = 0; - ieee80211_chswitch_done(ctx->vif, false); - } + ch = channel->hw_value; + if (le16_to_cpu(ctx->active.channel) == ch) + goto out; + + ch_info = iwl_get_channel_info(priv, channel->band, ch); + if (!is_channel_valid(ch_info)) { + IWL_DEBUG_MAC80211(priv, "invalid channel\n"); + goto out; + } + + spin_lock_irq(&priv->lock); + + priv->current_ht_config.smps = conf->smps_mode; + + /* Configure HT40 channels */ + ctx->ht.enabled = conf_is_ht(conf); + if (ctx->ht.enabled) { + if (conf_is_ht40_minus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ctx->ht.is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ctx->ht.is_40mhz = true; + } else { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ctx->ht.is_40mhz = false; } + } else + ctx->ht.is_40mhz = false; + + if ((le16_to_cpu(ctx->staging.channel) != ch)) + ctx->staging.flags = 0; + + iwl_set_rxon_channel(priv, channel, ctx); + iwl_set_rxon_ht(priv, ht_conf); + iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); + + spin_unlock_irq(&priv->lock); + + iwl_set_rate(priv); + /* + * at this point, staging_rxon has the + * configuration for channel switch + */ + set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); + priv->switch_channel = cpu_to_le16(ch); + if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { + clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); + priv->switch_channel = 0; + ieee80211_chswitch_done(ctx->vif, false); } + out: mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -2971,10 +3171,6 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "enter\n"); - /* do not support "flush" */ - if (!priv->cfg->ops->lib->txfifo_flush) - goto done; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); goto done; @@ -2990,7 +3186,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) */ if (drop) { IWL_DEBUG_MAC80211(priv, "send flush command\n"); - if (priv->cfg->ops->lib->txfifo_flush(priv, IWL_DROP_ALL)) { + if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { IWL_ERR(priv, "flush request fail\n"); goto done; } @@ -3017,9 +3213,9 @@ static void iwlagn_disable_roc(struct iwl_priv *priv) iwl_set_rxon_channel(priv, chan, ctx); iwl_set_flags_for_band(priv, ctx, chan->band, NULL); - priv->_agn.hw_roc_channel = NULL; + priv->hw_roc_channel = NULL; - iwlcore_commit_rxon(priv, ctx); + iwlagn_commit_rxon(priv, ctx); ctx->is_active = false; } @@ -3027,7 +3223,7 @@ static void iwlagn_disable_roc(struct iwl_priv *priv) static void iwlagn_bg_roc_done(struct work_struct *work) { struct iwl_priv *priv = container_of(work, struct iwl_priv, - _agn.hw_roc_work.work); + hw_roc_work.work); mutex_lock(&priv->mutex); ieee80211_remain_on_channel_expired(priv->hw); @@ -3059,11 +3255,11 @@ static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, } priv->contexts[IWL_RXON_CTX_PAN].is_active = true; - priv->_agn.hw_roc_channel = channel; - priv->_agn.hw_roc_chantype = channel_type; - priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024); - iwlcore_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]); - queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work, + priv->hw_roc_channel = channel; + priv->hw_roc_chantype = channel_type; + priv->hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024); + iwlagn_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]); + queue_delayed_work(priv->workqueue, &priv->hw_roc_work, msecs_to_jiffies(duration + 20)); msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */ @@ -3082,7 +3278,7 @@ static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) return -EOPNOTSUPP; - cancel_delayed_work_sync(&priv->_agn.hw_roc_work); + cancel_delayed_work_sync(&priv->hw_roc_work); mutex_lock(&priv->mutex); iwlagn_disable_roc(priv); @@ -3104,18 +3300,17 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) init_waitqueue_head(&priv->wait_command_queue); INIT_WORK(&priv->restart, iwl_bg_restart); - INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish); INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); - INIT_DELAYED_WORK(&priv->_agn.hw_roc_work, iwlagn_bg_roc_done); + INIT_DELAYED_WORK(&priv->hw_roc_work, iwlagn_bg_roc_done); iwl_setup_scan_deferred_work(priv); - if (priv->cfg->ops->lib->setup_deferred_work) - priv->cfg->ops->lib->setup_deferred_work(priv); + if (priv->cfg->lib->bt_setup_deferred_work) + priv->cfg->lib->bt_setup_deferred_work(priv); init_timer(&priv->statistics_periodic); priv->statistics_periodic.data = (unsigned long)priv; @@ -3128,15 +3323,12 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) init_timer(&priv->watchdog); priv->watchdog.data = (unsigned long)priv; priv->watchdog.function = iwl_bg_watchdog; - - tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) - iwl_irq_tasklet, (unsigned long)priv); } static void iwl_cancel_deferred_work(struct iwl_priv *priv) { - if (priv->cfg->ops->lib->cancel_deferred_work) - priv->cfg->ops->lib->cancel_deferred_work(priv); + if (priv->cfg->lib->cancel_deferred_work) + priv->cfg->lib->cancel_deferred_work(priv); cancel_work_sync(&priv->run_time_calib_work); cancel_work_sync(&priv->beacon_update); @@ -3187,7 +3379,7 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->iw_mode = NL80211_IFTYPE_STATION; priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; - priv->_agn.agg_tids_count = 0; + priv->agg_tids_count = 0; /* initialize force reset */ priv->force_reset[IWL_RF_RESET].reset_duration = @@ -3198,9 +3390,7 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->rx_statistics_jiffies = jiffies; /* Choose which receivers/antennas to use */ - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, - &priv->contexts[IWL_RXON_CTX_BSS]); + iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); iwl_init_scan_params(priv); @@ -3243,12 +3433,42 @@ static void iwl_uninit_drv(struct iwl_priv *priv) iwl_free_channel_map(priv); kfree(priv->scan_cmd); kfree(priv->beacon_cmd); +#ifdef CONFIG_IWLWIFI_DEBUGFS + kfree(priv->wowlan_sram); +#endif +} + +static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, + enum ieee80211_rssi_event rssi_event) +{ + struct iwl_priv *priv = hw->priv; + + mutex_lock(&priv->mutex); + + if (priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { + if (rssi_event == RSSI_EVENT_LOW) + priv->bt_enable_pspoll = true; + else if (rssi_event == RSSI_EVENT_HIGH) + priv->bt_enable_pspoll = false; + + iwlagn_send_advance_bt_config(priv); + } else { + IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," + "ignoring RSSI callback\n"); + } + + mutex_unlock(&priv->mutex); } struct ieee80211_ops iwlagn_hw_ops = { .tx = iwlagn_mac_tx, .start = iwlagn_mac_start, .stop = iwlagn_mac_stop, +#ifdef CONFIG_PM + .suspend = iwlagn_mac_suspend, + .resume = iwlagn_mac_resume, +#endif .add_interface = iwl_mac_add_interface, .remove_interface = iwl_mac_remove_interface, .change_interface = iwl_mac_change_interface, @@ -3256,6 +3476,7 @@ struct ieee80211_ops iwlagn_hw_ops = { .configure_filter = iwlagn_configure_filter, .set_key = iwlagn_mac_set_key, .update_tkip_key = iwlagn_mac_update_tkip_key, + .set_rekey_data = iwlagn_mac_set_rekey_data, .conf_tx = iwl_mac_conf_tx, .bss_info_changed = iwlagn_bss_info_changed, .ampdu_action = iwlagn_mac_ampdu_action, @@ -3270,15 +3491,13 @@ struct ieee80211_ops iwlagn_hw_ops = { .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, .offchannel_tx = iwl_mac_offchannel_tx, .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait, + .rssi_callback = iwl_mac_rssi_callback, CFG80211_TESTMODE_CMD(iwl_testmode_cmd) + CFG80211_TESTMODE_DUMP(iwl_testmode_dump) }; static u32 iwl_hw_detect(struct iwl_priv *priv) { - u8 rev_id; - - pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id); - IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id); return iwl_read32(priv, CSR_HW_REV); } @@ -3294,10 +3513,10 @@ static int iwl_set_hw_params(struct iwl_priv *priv) priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; if (iwlagn_mod_params.disable_11n) - priv->cfg->sku &= ~IWL_SKU_N; + priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; /* Device-specific setup */ - return priv->cfg->ops->lib->set_hw_params(priv); + return priv->cfg->lib->set_hw_params(priv); } static const u8 iwlagn_bss_ac_to_fifo[] = { @@ -3344,29 +3563,9 @@ out: return hw; } -static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static void iwl_init_context(struct iwl_priv *priv) { - int err = 0, i; - struct iwl_priv *priv; - struct ieee80211_hw *hw; - struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); - unsigned long flags; - u16 pci_cmd, num_mac; - u32 hw_rev; - - /************************ - * 1. Allocating HW data - ************************/ - - hw = iwl_alloc_all(cfg); - if (!hw) { - err = -ENOMEM; - goto out; - } - priv = hw->priv; - /* At this point both hw and priv are allocated. */ - - priv->ucode_type = UCODE_SUBTYPE_NONE_LOADED; + int i; /* * The default context is always valid, @@ -3398,8 +3597,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; - priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = REPLY_WIPAN_RXON_TIMING; - priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = REPLY_WIPAN_RXON_ASSOC; + priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = + REPLY_WIPAN_RXON_TIMING; + priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = + REPLY_WIPAN_RXON_ASSOC; priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; @@ -3419,12 +3620,35 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); +} - SET_IEEE80211_DEV(hw, &pdev->dev); +int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) +{ + int err = 0; + struct iwl_priv *priv; + struct ieee80211_hw *hw; + u16 num_mac; + u32 hw_rev; + + /************************ + * 1. Allocating HW data + ************************/ + hw = iwl_alloc_all(cfg); + if (!hw) { + err = -ENOMEM; + goto out; + } + + priv = hw->priv; + priv->bus = bus; + bus_set_drv_data(priv->bus, priv); + + /* At this point both hw and priv are allocated. */ + + SET_IEEE80211_DEV(hw, priv->bus->dev); IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); priv->cfg = cfg; - priv->pci_dev = pdev; priv->inta_mask = CSR_INI_SET_MASK; /* is antenna coupling more than 35dB ? */ @@ -3440,53 +3664,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (iwl_alloc_traffic_mem(priv)) IWL_ERR(priv, "Not enough memory to generate traffic log\n"); - /************************** - * 2. Initializing PCI bus - **************************/ - pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | - PCIE_LINK_STATE_CLKPM); - - if (pci_enable_device(pdev)) { - err = -ENODEV; - goto out_ieee80211_free_hw; - } - - pci_set_master(pdev); - - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); - if (err) { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - /* both attempts failed: */ - if (err) { - IWL_WARN(priv, "No suitable DMA available.\n"); - goto out_pci_disable_device; - } - } - - err = pci_request_regions(pdev, DRV_NAME); - if (err) - goto out_pci_disable_device; - - pci_set_drvdata(pdev, priv); - - - /*********************** - * 3. Read REV register - ***********************/ - priv->hw_base = pci_iomap(pdev, 0, 0); - if (!priv->hw_base) { - err = -ENODEV; - goto out_pci_release_regions; - } - - IWL_DEBUG_INFO(priv, "pci_resource_len = 0x%08llx\n", - (unsigned long long) pci_resource_len(pdev, 0)); - IWL_DEBUG_INFO(priv, "pci_resource_base = %p\n", priv->hw_base); - /* these spin locks will be used in apm_ops.init and EEPROM access * we should init now */ @@ -3500,17 +3677,21 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) */ iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + /*********************** + * 3. Read REV register + ***********************/ hw_rev = iwl_hw_detect(priv); IWL_INFO(priv, "Detected %s, REV=0x%X\n", priv->cfg->name, hw_rev); - /* We disable the RETRY_TIMEOUT register (0x41) to keep - * PCI Tx retries from interfering with C3 CPU state */ - pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); + err = iwl_trans_register(&priv->trans, priv); + if (err) + goto out_free_traffic_mem; - if (iwl_prepare_card_hw(priv)) { + if (trans_prepare_card_hw(&priv->trans)) { + err = -EIO; IWL_WARN(priv, "Failed, HW not ready\n"); - goto out_iounmap; + goto out_free_trans; } /***************** @@ -3520,7 +3701,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = iwl_eeprom_init(priv, hw_rev); if (err) { IWL_ERR(priv, "Unable to init EEPROM\n"); - goto out_iounmap; + goto out_free_trans; } err = iwl_eeprom_check_version(priv); if (err) @@ -3543,10 +3724,14 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->hw->wiphy->n_addresses++; } + /* initialize all valid contexts */ + iwl_init_context(priv); + /************************ * 5. Setup HW constants ************************/ if (iwl_set_hw_params(priv)) { + err = -ENOENT; IWL_ERR(priv, "failed to set hw parameters\n"); goto out_free_eeprom; } @@ -3563,36 +3748,14 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /******************** * 7. Setup services ********************/ - spin_lock_irqsave(&priv->lock, flags); - iwl_disable_interrupts(priv); - spin_unlock_irqrestore(&priv->lock, flags); - - pci_enable_msi(priv->pci_dev); - - iwl_alloc_isr_ict(priv); - - err = request_irq(priv->pci_dev->irq, iwl_isr_ict, - IRQF_SHARED, DRV_NAME, priv); - if (err) { - IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq); - goto out_disable_msi; - } - iwl_setup_deferred_work(priv); iwl_setup_rx_handlers(priv); iwl_testmode_init(priv); /********************************************* - * 8. Enable interrupts and read RFKILL state + * 8. Enable interrupts *********************************************/ - /* enable rfkill interrupt: 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); - } - iwl_enable_rfkill_int(priv); /* If platform's RF_KILL switch is NOT set to KILL */ @@ -3607,7 +3770,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) iwl_power_initialize(priv); iwl_tt_initialize(priv); - init_completion(&priv->_agn.firmware_loading_complete); + init_completion(&priv->firmware_loading_complete); err = iwl_request_firmware(priv, true); if (err) @@ -3615,44 +3778,32 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; - out_destroy_workqueue: +out_destroy_workqueue: destroy_workqueue(priv->workqueue); priv->workqueue = NULL; - free_irq(priv->pci_dev->irq, priv); - iwl_free_isr_ict(priv); - out_disable_msi: - pci_disable_msi(priv->pci_dev); iwl_uninit_drv(priv); - out_free_eeprom: +out_free_eeprom: iwl_eeprom_free(priv); - out_iounmap: - pci_iounmap(pdev, priv->hw_base); - out_pci_release_regions: - pci_set_drvdata(pdev, NULL); - pci_release_regions(pdev); - out_pci_disable_device: - pci_disable_device(pdev); - out_ieee80211_free_hw: +out_free_trans: + trans_free(&priv->trans); +out_free_traffic_mem: iwl_free_traffic_mem(priv); ieee80211_free_hw(priv->hw); - out: +out: return err; } -static void __devexit iwl_pci_remove(struct pci_dev *pdev) +void __devexit iwl_remove(struct iwl_priv * priv) { - struct iwl_priv *priv = pci_get_drvdata(pdev); unsigned long flags; - if (!priv) - return; - - wait_for_completion(&priv->_agn.firmware_loading_complete); + wait_for_completion(&priv->firmware_loading_complete); IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); iwl_dbgfs_unregister(priv); - sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group); + sysfs_remove_group(&priv->bus->dev->kobj, + &iwl_attribute_group); /* ieee80211_unregister_hw call wil cause iwl_mac_stop to * to be called and iwl_down since we are removing the device @@ -3680,17 +3831,15 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) iwl_disable_interrupts(priv); spin_unlock_irqrestore(&priv->lock, flags); - iwl_synchronize_irq(priv); + trans_sync_irq(&priv->trans); - iwl_dealloc_ucode_pci(priv); + iwl_dealloc_ucode(priv); - if (priv->rxq.bd) - iwlagn_rx_queue_free(priv, &priv->rxq); - iwlagn_hw_txq_ctx_free(priv); + trans_rx_free(&priv->trans); + trans_tx_free(&priv->trans); iwl_eeprom_free(priv); - /*netif_stop_queue(dev); */ flush_workqueue(priv->workqueue); @@ -3701,16 +3850,11 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) priv->workqueue = NULL; iwl_free_traffic_mem(priv); - free_irq(priv->pci_dev->irq, priv); - pci_disable_msi(priv->pci_dev); - pci_iounmap(pdev, priv->hw_base); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); + trans_free(&priv->trans); - iwl_uninit_drv(priv); + bus_set_drv_data(priv->bus, NULL); - iwl_free_isr_ict(priv); + iwl_uninit_drv(priv); dev_kfree_skb(priv->beacon_skb); @@ -3723,206 +3867,6 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) * driver and module entry point * *****************************************************************************/ - -/* Hardware specific file defines the PCI IDs table for that hardware module */ -static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { - {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */ - -/* 5300 Series WiFi */ - {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */ - -/* 5350 Series WiFi/WiMax */ - {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */ - -/* 5150 Series Wifi/WiMax */ - {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */ - - {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */ - {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */ - {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */ - -/* 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)}, - -/* 6x05 Series */ - {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)}, - -/* 6x30 Series */ - {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)}, - {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)}, - -/* 6x50 WiFi/WiMax Series */ - {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(0x0089, 0x1311, iwl6050_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)}, - -/* 6150 WiFi/WiMax Series */ - {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)}, - {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)}, - {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)}, - -/* 1000 Series WiFi */ - {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)}, - -/* 100 Series WiFi */ - {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)}, - {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)}, - {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)}, - {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)}, - {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)}, - {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)}, - -/* 130 Series WiFi */ - {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)}, - {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)}, - {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)}, - -/* 2x00 Series */ - {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)}, - -/* 2x30 Series */ - {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)}, - -/* 6x35 Series */ - {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)}, - {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)}, - {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)}, - {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)}, - -/* 105 Series */ - {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0894, 0x0026, iwl105_bg_cfg)}, - {IWL_PCI_DEVICE(0x0895, 0x0226, iwl105_bg_cfg)}, - {IWL_PCI_DEVICE(0x0894, 0x0426, iwl105_bg_cfg)}, - -/* 135 Series */ - {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0892, 0x0066, iwl135_bg_cfg)}, - {IWL_PCI_DEVICE(0x0893, 0x0266, iwl135_bg_cfg)}, - {IWL_PCI_DEVICE(0x0892, 0x0466, iwl135_bg_cfg)}, - - {0} -}; -MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); - -static struct pci_driver iwl_driver = { - .name = DRV_NAME, - .id_table = iwl_hw_card_ids, - .probe = iwl_pci_probe, - .remove = __devexit_p(iwl_pci_remove), - .driver.pm = IWL_PM_OPS, -}; - static int __init iwl_init(void) { @@ -3936,12 +3880,10 @@ static int __init iwl_init(void) return ret; } - ret = pci_register_driver(&iwl_driver); - if (ret) { - pr_err("Unable to initialize PCI module\n"); - goto error_register; - } + ret = iwl_pci_register_driver(); + if (ret) + goto error_register; return ret; error_register: @@ -3951,7 +3893,7 @@ error_register: static void __exit iwl_exit(void) { - pci_unregister_driver(&iwl_driver); + iwl_pci_unregister_driver(); iwlagn_rate_control_unregister(); } @@ -3993,3 +3935,51 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); + +module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); +MODULE_PARM_DESC(wd_disable, + "Disable stuck queue watchdog timer (default: 0 [enabled])"); + +/* + * set bt_coex_active to true, uCode will do kill/defer + * every time the priority line is asserted (BT is sending signals on the + * priority line in the PCIx). + * set bt_coex_active to false, uCode will ignore the BT activity and + * perform the normal operation + * + * User might experience transmit issue on some platform due to WiFi/BT + * co-exist problem. The possible behaviors are: + * Able to scan and finding all the available AP + * Not able to associate with any AP + * On those platforms, WiFi communication can be restored by set + * "bt_coex_active" module parameter to "false" + * + * default: bt_coex_active = true (BT_COEX_ENABLE) + */ +module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, + bool, S_IRUGO); +MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); + +module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); +MODULE_PARM_DESC(led_mode, "0=system default, " + "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); + +module_param_named(power_save, iwlagn_mod_params.power_save, + bool, S_IRUGO); +MODULE_PARM_DESC(power_save, + "enable WiFi power management (default: disable)"); + +module_param_named(power_level, iwlagn_mod_params.power_level, + int, S_IRUGO); +MODULE_PARM_DESC(power_level, + "default power save level (range from 1 - 5, default: 1)"); + +/* + * For now, keep using power level 1 instead of automatically + * adjusting ... + */ +module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, + bool, S_IRUGO); +MODULE_PARM_DESC(no_sleep_autoadjust, + "don't automatically adjust sleep level " + "according to maximum network latency (default: true)"); |