X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fiwlwifi%2Fiwl3945-base.c;h=d832cb95a9282e7980705bbf11be0ebee64d1dbe;hb=d08853a3995cfc2985307da7400fb57bfa5773e2;hp=6669ab0d3f523bf61e7795dda32aaf06c3e91bf4;hpb=0164b9b45dbee4a3c4c95f59f9dd538b1e9c2635;p=pandora-kernel.git diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 6669ab0d3f52..d832cb95a928 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -48,16 +48,14 @@ #define DRV_NAME "iwl3945" +#include "iwl-fh.h" +#include "iwl-3945-fh.h" #include "iwl-commands.h" #include "iwl-3945.h" -#include "iwl-3945-fh.h" #include "iwl-helpers.h" #include "iwl-core.h" #include "iwl-dev.h" -static int iwl3945_tx_queue_update_write_ptr(struct iwl_priv *priv, - struct iwl3945_tx_queue *txq); - /* * module name, copyright, version, etc. */ @@ -65,7 +63,7 @@ static int iwl3945_tx_queue_update_write_ptr(struct iwl_priv *priv, #define DRV_DESCRIPTION \ "Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux" -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG #define VD "d" #else #define VD @@ -78,7 +76,7 @@ static int iwl3945_tx_queue_update_write_ptr(struct iwl_priv *priv, #endif #define IWL39_VERSION "1.2.26k" VD VS -#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation" +#define DRV_COPYRIGHT "Copyright(c) 2003-2009 Intel Corporation" #define DRV_AUTHOR "" #define DRV_VERSION IWL39_VERSION @@ -91,210 +89,10 @@ MODULE_LICENSE("GPL"); /* module parameters */ struct iwl_mod_params iwl3945_mod_params = { .num_of_queues = IWL39_MAX_NUM_QUEUES, + .sw_crypto = 1, /* the rest are 0 by default */ }; -static const struct ieee80211_supported_band *iwl3945_get_band( - struct iwl_priv *priv, enum ieee80211_band band) -{ - return priv->hw->wiphy->bands[band]; -} - -/*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** - * DMA services - * - * Theory of operation - * - * A Tx or Rx queue resides in host DRAM, and is comprised of a circular buffer - * of buffer descriptors, each of which points to one or more data buffers for - * the device to read from or fill. Driver and device exchange status of each - * queue via "read" and "write" pointers. Driver keeps minimum of 2 empty - * entries in each circular buffer, to protect against confusing empty and full - * queue states. - * - * The device reads or writes the data in the queues via the device's several - * DMA/FIFO channels. Each queue is mapped to a single DMA channel. - * - * For Tx queue, there are low mark and high mark limits. If, after queuing - * the packet for Tx, free space become < low mark, Tx queue stopped. When - * reclaiming packets (on 'tx done IRQ), if free space become > high mark, - * Tx queue resumed. - * - * The 3945 operates with six queues: One receive queue, one transmit queue - * (#4) for sending commands to the device firmware, and four transmit queues - * (#0-3) for data tx via EDCA. An additional 2 HCCA queues are unused. - ***************************************************/ - -int iwl3945_x2_queue_used(const struct iwl_queue *q, int i) -{ - return q->write_ptr > q->read_ptr ? - (i >= q->read_ptr && i < q->write_ptr) : - !(i < q->read_ptr && i >= q->write_ptr); -} - -/** - * iwl3945_queue_init - Initialize queue's high/low-water and read/write indexes - */ -static int iwl3945_queue_init(struct iwl_priv *priv, struct iwl_queue *q, - int count, int slots_num, u32 id) -{ - q->n_bd = count; - q->n_window = slots_num; - q->id = id; - - /* count must be power-of-two size, otherwise iwl_queue_inc_wrap - * and iwl_queue_dec_wrap are broken. */ - BUG_ON(!is_power_of_2(count)); - - /* slots_num must be power-of-two size, otherwise - * get_cmd_index is broken. */ - BUG_ON(!is_power_of_2(slots_num)); - - q->low_mark = q->n_window / 4; - if (q->low_mark < 4) - q->low_mark = 4; - - q->high_mark = q->n_window / 8; - if (q->high_mark < 2) - q->high_mark = 2; - - q->write_ptr = q->read_ptr = 0; - - return 0; -} - -/** - * iwl3945_tx_queue_alloc - Alloc driver data and TFD CB for one Tx/cmd queue - */ -static int iwl3945_tx_queue_alloc(struct iwl_priv *priv, - struct iwl3945_tx_queue *txq, u32 id) -{ - struct pci_dev *dev = priv->pci_dev; - - /* Driver private data, only for Tx (not command) queues, - * not shared with device. */ - if (id != IWL_CMD_QUEUE_NUM) { - txq->txb = kmalloc(sizeof(txq->txb[0]) * - TFD_QUEUE_SIZE_MAX, GFP_KERNEL); - if (!txq->txb) { - IWL_ERR(priv, "kmalloc for auxiliary BD " - "structures failed\n"); - goto error; - } - } else - txq->txb = NULL; - - /* Circular buffer of transmit frame descriptors (TFDs), - * shared with device */ - txq->bd = pci_alloc_consistent(dev, - sizeof(txq->bd[0]) * TFD_QUEUE_SIZE_MAX, - &txq->q.dma_addr); - - if (!txq->bd) { - IWL_ERR(priv, "pci_alloc_consistent(%zd) failed\n", - sizeof(txq->bd[0]) * TFD_QUEUE_SIZE_MAX); - goto error; - } - txq->q.id = id; - - return 0; - - error: - kfree(txq->txb); - txq->txb = NULL; - - return -ENOMEM; -} - -/** - * iwl3945_tx_queue_init - Allocate and initialize one tx/cmd queue - */ -int iwl3945_tx_queue_init(struct iwl_priv *priv, - struct iwl3945_tx_queue *txq, int slots_num, u32 txq_id) -{ - struct pci_dev *dev = priv->pci_dev; - int len; - int rc = 0; - - /* - * Alloc buffer array for commands (Tx or other types of commands). - * For the command queue (#4), allocate command space + one big - * command for scan, since scan command is very huge; the system will - * not have two scans at the same time, so only one is needed. - * For data Tx queues (all other queues), no super-size command - * space is needed. - */ - len = sizeof(struct iwl_cmd) * slots_num; - if (txq_id == IWL_CMD_QUEUE_NUM) - len += IWL_MAX_SCAN_SIZE; - txq->cmd = pci_alloc_consistent(dev, len, &txq->dma_addr_cmd); - if (!txq->cmd) - return -ENOMEM; - - /* Alloc driver data array and TFD circular buffer */ - rc = iwl3945_tx_queue_alloc(priv, txq, txq_id); - if (rc) { - pci_free_consistent(dev, len, txq->cmd, txq->dma_addr_cmd); - - return -ENOMEM; - } - txq->need_update = 0; - - /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ - BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); - - /* Initialize queue high/low-water, head/tail indexes */ - iwl3945_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); - - /* Tell device where to find queue, enable DMA channel. */ - iwl3945_hw_tx_queue_init(priv, txq); - - return 0; -} - -/** - * iwl3945_tx_queue_free - Deallocate DMA queue. - * @txq: Transmit queue to deallocate. - * - * Empty queue by removing and destroying all BD's. - * Free all buffers. - * 0-fill, but do not free "txq" descriptor structure. - */ -void iwl3945_tx_queue_free(struct iwl_priv *priv, struct iwl3945_tx_queue *txq) -{ - struct iwl_queue *q = &txq->q; - struct pci_dev *dev = priv->pci_dev; - int len; - - if (q->n_bd == 0) - return; - - /* first, empty all BD's */ - for (; q->write_ptr != q->read_ptr; - q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) - iwl3945_hw_txq_free_tfd(priv, txq); - - len = sizeof(struct iwl_cmd) * q->n_window; - if (q->id == IWL_CMD_QUEUE_NUM) - len += IWL_MAX_SCAN_SIZE; - - /* De-alloc array of command/tx buffers */ - pci_free_consistent(dev, len, txq->cmd, txq->dma_addr_cmd); - - /* De-alloc circular buffer of TFDs */ - if (txq->q.n_bd) - pci_free_consistent(dev, sizeof(struct iwl3945_tfd_frame) * - txq->q.n_bd, txq->bd, txq->q.dma_addr); - - /* De-alloc array of per-TFD driver data */ - kfree(txq->txb); - txq->txb = NULL; - - /* 0-fill queue descriptor structure */ - memset(txq, 0, sizeof(*txq)); -} - /*************** STATION TABLE MANAGEMENT **** * mac80211 should be examined to determine if sta_info is duplicating * the functionality provided here @@ -432,250 +230,17 @@ u8 iwl3945_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap, u8 flag } - -/*************** HOST COMMAND QUEUE FUNCTIONS *****/ - -#define IWL_CMD(x) case x: return #x -#define HOST_COMPLETE_TIMEOUT (HZ / 2) - -/** - * iwl3945_enqueue_hcmd - enqueue a uCode command - * @priv: device private data point - * @cmd: a point to the ucode command structure - * - * The function returns < 0 values to indicate the operation is - * failed. On success, it turns the index (> 0) of command in the - * command queue. - */ -static int iwl3945_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) -{ - struct iwl3945_tx_queue *txq = &priv->txq39[IWL_CMD_QUEUE_NUM]; - struct iwl_queue *q = &txq->q; - struct iwl3945_tfd_frame *tfd; - u32 *control_flags; - struct iwl_cmd *out_cmd; - u32 idx; - u16 fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr)); - dma_addr_t phys_addr; - int pad; - u16 count; - int ret; - unsigned long flags; - - /* If any of the command structures end up being larger than - * the TFD_MAX_PAYLOAD_SIZE, and it sent as a 'small' command then - * we will need to increase the size of the TFD entries */ - BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && - !(cmd->meta.flags & CMD_SIZE_HUGE)); - - - if (iwl_is_rfkill(priv)) { - IWL_DEBUG_INFO("Not sending command - RF KILL"); - return -EIO; - } - - if (iwl_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { - IWL_ERR(priv, "No space for Tx\n"); - return -ENOSPC; - } - - spin_lock_irqsave(&priv->hcmd_lock, flags); - - tfd = &txq->bd[q->write_ptr]; - memset(tfd, 0, sizeof(*tfd)); - - control_flags = (u32 *) tfd; - - idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE); - out_cmd = &txq->cmd[idx]; - - out_cmd->hdr.cmd = cmd->id; - memcpy(&out_cmd->meta, &cmd->meta, sizeof(cmd->meta)); - memcpy(&out_cmd->cmd.payload, cmd->data, cmd->len); - - /* At this point, the out_cmd now has all of the incoming cmd - * information */ - - out_cmd->hdr.flags = 0; - out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) | - INDEX_TO_SEQ(q->write_ptr)); - if (out_cmd->meta.flags & CMD_SIZE_HUGE) - out_cmd->hdr.sequence |= SEQ_HUGE_FRAME; - - phys_addr = txq->dma_addr_cmd + sizeof(txq->cmd[0]) * idx + - offsetof(struct iwl_cmd, hdr); - iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, fix_size); - - pad = U32_PAD(cmd->len); - count = TFD_CTL_COUNT_GET(*control_flags); - *control_flags = TFD_CTL_COUNT_SET(count) | TFD_CTL_PAD_SET(pad); - - IWL_DEBUG_HC("Sending command %s (#%x), seq: 0x%04X, " - "%d bytes at %d[%d]:%d\n", - get_cmd_string(out_cmd->hdr.cmd), - out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), - fix_size, q->write_ptr, idx, IWL_CMD_QUEUE_NUM); - - txq->need_update = 1; - - /* Increment and update queue's write index */ - q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); - ret = iwl3945_tx_queue_update_write_ptr(priv, txq); - - spin_unlock_irqrestore(&priv->hcmd_lock, flags); - return ret ? ret : idx; -} - -static int iwl3945_send_cmd_async(struct iwl_priv *priv, - struct iwl_host_cmd *cmd) -{ - int ret; - - BUG_ON(!(cmd->meta.flags & CMD_ASYNC)); - - /* An asynchronous command can not expect an SKB to be set. */ - BUG_ON(cmd->meta.flags & CMD_WANT_SKB); - - /* An asynchronous command MUST have a callback. */ - BUG_ON(!cmd->meta.u.callback); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return -EBUSY; - - ret = iwl3945_enqueue_hcmd(priv, cmd); - if (ret < 0) { - IWL_ERR(priv, - "Error sending %s: iwl3945_enqueue_hcmd failed: %d\n", - get_cmd_string(cmd->id), ret); - return ret; - } - return 0; -} - -static int iwl3945_send_cmd_sync(struct iwl_priv *priv, - struct iwl_host_cmd *cmd) -{ - int cmd_idx; - int ret; - - BUG_ON(cmd->meta.flags & CMD_ASYNC); - - /* A synchronous command can not have a callback set. */ - BUG_ON(cmd->meta.u.callback != NULL); - - if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) { - IWL_ERR(priv, - "Error sending %s: Already sending a host command\n", - get_cmd_string(cmd->id)); - ret = -EBUSY; - goto out; - } - - set_bit(STATUS_HCMD_ACTIVE, &priv->status); - - if (cmd->meta.flags & CMD_WANT_SKB) - cmd->meta.source = &cmd->meta; - - cmd_idx = iwl3945_enqueue_hcmd(priv, cmd); - if (cmd_idx < 0) { - ret = cmd_idx; - IWL_ERR(priv, - "Error sending %s: iwl3945_enqueue_hcmd failed: %d\n", - get_cmd_string(cmd->id), ret); - goto out; - } - - ret = wait_event_interruptible_timeout(priv->wait_command_queue, - !test_bit(STATUS_HCMD_ACTIVE, &priv->status), - HOST_COMPLETE_TIMEOUT); - if (!ret) { - if (test_bit(STATUS_HCMD_ACTIVE, &priv->status)) { - IWL_ERR(priv, "Error sending %s: time out after %dms\n", - get_cmd_string(cmd->id), - jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); - - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); - ret = -ETIMEDOUT; - goto cancel; - } - } - - if (test_bit(STATUS_RF_KILL_HW, &priv->status)) { - IWL_DEBUG_INFO("Command %s aborted: RF KILL Switch\n", - get_cmd_string(cmd->id)); - ret = -ECANCELED; - goto fail; - } - if (test_bit(STATUS_FW_ERROR, &priv->status)) { - IWL_DEBUG_INFO("Command %s failed: FW Error\n", - get_cmd_string(cmd->id)); - ret = -EIO; - goto fail; - } - if ((cmd->meta.flags & CMD_WANT_SKB) && !cmd->meta.u.skb) { - IWL_ERR(priv, "Error: Response NULL in '%s'\n", - get_cmd_string(cmd->id)); - ret = -EIO; - goto cancel; - } - - ret = 0; - goto out; - -cancel: - if (cmd->meta.flags & CMD_WANT_SKB) { - struct iwl_cmd *qcmd; - - /* Cancel the CMD_WANT_SKB flag for the cmd in the - * TX cmd queue. Otherwise in case the cmd comes - * in later, it will possibly set an invalid - * address (cmd->meta.source). */ - qcmd = &priv->txq39[IWL_CMD_QUEUE_NUM].cmd[cmd_idx]; - qcmd->meta.flags &= ~CMD_WANT_SKB; - } -fail: - if (cmd->meta.u.skb) { - dev_kfree_skb_any(cmd->meta.u.skb); - cmd->meta.u.skb = NULL; - } -out: - clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status); - return ret; -} - -int iwl3945_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) -{ - if (cmd->meta.flags & CMD_ASYNC) - return iwl3945_send_cmd_async(priv, cmd); - - return iwl3945_send_cmd_sync(priv, cmd); -} - -int iwl3945_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data) +int iwl3945_send_statistics_request(struct iwl_priv *priv) { - struct iwl_host_cmd cmd = { - .id = id, - .len = len, - .data = data, - }; - - return iwl3945_send_cmd_sync(priv, &cmd); -} + u32 val = 0; -static int __must_check iwl3945_send_cmd_u32(struct iwl_priv *priv, u8 id, u32 val) -{ struct iwl_host_cmd cmd = { - .id = id, + .id = REPLY_STATISTICS_CMD, .len = sizeof(val), .data = &val, }; - return iwl3945_send_cmd_sync(priv, &cmd); -} - -int iwl3945_send_statistics_request(struct iwl_priv *priv) -{ - return iwl3945_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); + return iwl_send_cmd_sync(priv, &cmd); } /** @@ -692,7 +257,7 @@ static int iwl3945_set_rxon_channel(struct iwl_priv *priv, enum ieee80211_band band, u16 channel) { - if (!iwl3945_get_channel_info(priv, band, channel)) { + if (!iwl_get_channel_info(priv, band, channel)) { IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", channel, band); return -EINVAL; @@ -866,7 +431,7 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv) rxon_assoc.cck_basic_rates = priv->staging39_rxon.cck_basic_rates; rxon_assoc.reserved = 0; - rc = iwl3945_send_cmd_sync(priv, &cmd); + rc = iwl_send_cmd_sync(priv, &cmd); if (rc) return rc; @@ -938,7 +503,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv) IWL_DEBUG_INFO("Toggling associated bit on current RXON\n"); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, + rc = iwl_send_cmd_pdu(priv, REPLY_RXON, sizeof(struct iwl3945_rxon_cmd), &priv->active39_rxon); @@ -962,7 +527,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv) priv->staging_rxon.bssid_addr); /* Apply the new configuration */ - rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, + rc = iwl_send_cmd_pdu(priv, REPLY_RXON, sizeof(struct iwl3945_rxon_cmd), &priv->staging39_rxon); if (rc) { IWL_ERR(priv, "Error setting new configuration (%d).\n", rc); @@ -975,7 +540,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv) /* If we issue a new RXON command which required a tune then we must * send a new TXPOWER command or we won't be able to Tx any frames */ - rc = iwl3945_hw_reg_send_txpower(priv); + rc = priv->cfg->ops->lib->send_tx_power(priv); if (rc) { IWL_ERR(priv, "Error setting Tx power (%d).\n", rc); return rc; @@ -1018,83 +583,10 @@ static int iwl3945_send_bt_config(struct iwl_priv *priv) .kill_cts_mask = 0, }; - return iwl3945_send_cmd_pdu(priv, REPLY_BT_CONFIG, + return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, sizeof(bt_cmd), &bt_cmd); } -static int iwl3945_send_scan_abort(struct iwl_priv *priv) -{ - int rc = 0; - struct iwl_rx_packet *res; - struct iwl_host_cmd cmd = { - .id = REPLY_SCAN_ABORT_CMD, - .meta.flags = CMD_WANT_SKB, - }; - - /* If there isn't a scan actively going on in the hardware - * then we are in between scan bands and not actually - * actively scanning, so don't send the abort command */ - if (!test_bit(STATUS_SCAN_HW, &priv->status)) { - clear_bit(STATUS_SCAN_ABORTING, &priv->status); - return 0; - } - - rc = iwl3945_send_cmd_sync(priv, &cmd); - if (rc) { - clear_bit(STATUS_SCAN_ABORTING, &priv->status); - return rc; - } - - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; - if (res->u.status != CAN_ABORT_STATUS) { - /* The scan abort will return 1 for success or - * 2 for "failure". A failure condition can be - * due to simply not being in an active scan which - * can occur if we send the scan abort before we - * the microcode has notified us that a scan is - * completed. */ - IWL_DEBUG_INFO("SCAN_ABORT returned %d.\n", res->u.status); - clear_bit(STATUS_SCAN_ABORTING, &priv->status); - clear_bit(STATUS_SCAN_HW, &priv->status); - } - - dev_kfree_skb_any(cmd.meta.u.skb); - - return rc; -} - -static int iwl3945_card_state_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, - struct sk_buff *skb) -{ - return 1; -} - -/* - * CARD_STATE_CMD - * - * Use: Sets the device's internal card state to enable, disable, or halt - * - * When in the 'enable' state the card operates as normal. - * When in the 'disable' state, the card enters into a low power mode. - * When in the 'halt' state, the card is shut down and must be fully - * restarted to come back on. - */ -static int iwl3945_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) -{ - struct iwl_host_cmd cmd = { - .id = REPLY_CARD_STATE_CMD, - .len = sizeof(u32), - .data = &flags, - .meta.flags = meta_flag, - }; - - if (meta_flag & CMD_ASYNC) - cmd.meta.u.callback = iwl3945_card_state_sync_callback; - - return iwl3945_send_cmd(priv, &cmd); -} - static int iwl3945_add_sta_sync_callback(struct iwl_priv *priv, struct iwl_cmd *cmd, struct sk_buff *skb) { @@ -1140,7 +632,7 @@ int iwl3945_send_add_station(struct iwl_priv *priv, else cmd.meta.flags |= CMD_WANT_SKB; - rc = iwl3945_send_cmd(priv, &cmd); + rc = iwl_send_cmd(priv, &cmd); if (rc || (flags & CMD_ASYNC)) return rc; @@ -1334,7 +826,7 @@ static int iwl3945_send_beacon_cmd(struct iwl_priv *priv) frame_size = iwl3945_hw_get_beacon_cmd(priv, frame, rate); - rc = iwl3945_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, + rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, &frame->u.cmd[0]); iwl3945_free_frame(priv, frame); @@ -1342,86 +834,6 @@ static int iwl3945_send_beacon_cmd(struct iwl_priv *priv) return rc; } -/****************************************************************************** - * - * EEPROM related functions - * - ******************************************************************************/ - -static void get_eeprom_mac(struct iwl_priv *priv, u8 *mac) -{ - memcpy(mac, priv->eeprom39.mac_address, 6); -} - -/* - * Clear the OWNER_MSK, to establish driver (instead of uCode running on - * embedded controller) as EEPROM reader; each read is a series of pulses - * to/from the EEPROM chip, not a single event, so even reads could conflict - * if they weren't arbitrated by some ownership mechanism. Here, the driver - * simply claims ownership, which should be safe when this function is called - * (i.e. before loading uCode!). - */ -static inline int iwl3945_eeprom_acquire_semaphore(struct iwl_priv *priv) -{ - _iwl_clear_bit(priv, CSR_EEPROM_GP, CSR_EEPROM_GP_IF_OWNER_MSK); - return 0; -} - -/** - * iwl3945_eeprom_init - read EEPROM contents - * - * Load the EEPROM contents from adapter into priv->eeprom39 - * - * NOTE: This routine uses the non-debug IO access functions. - */ -int iwl3945_eeprom_init(struct iwl_priv *priv) -{ - u16 *e = (u16 *)&priv->eeprom39; - u32 gp = iwl_read32(priv, CSR_EEPROM_GP); - int sz = sizeof(priv->eeprom39); - int ret; - u16 addr; - - /* The EEPROM structure has several padding buffers within it - * and when adding new EEPROM maps is subject to programmer errors - * which may be very difficult to identify without explicitly - * checking the resulting size of the eeprom map. */ - BUILD_BUG_ON(sizeof(priv->eeprom39) != IWL_EEPROM_IMAGE_SIZE); - - if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) { - IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp); - return -ENOENT; - } - - /* Make sure driver (instead of uCode) is allowed to read EEPROM */ - ret = iwl3945_eeprom_acquire_semaphore(priv); - if (ret < 0) { - IWL_ERR(priv, "Failed to acquire EEPROM semaphore.\n"); - return -ENOENT; - } - - /* eeprom is an array of 16bit values */ - for (addr = 0; addr < sz; addr += sizeof(u16)) { - u32 r; - - _iwl_write32(priv, CSR_EEPROM_REG, - CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - _iwl_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); - ret = iwl_poll_direct_bit(priv, CSR_EEPROM_REG, - CSR_EEPROM_REG_READ_VALID_MSK, - IWL_EEPROM_ACCESS_TIMEOUT); - if (ret < 0) { - IWL_ERR(priv, "Time out reading EEPROM[%d]\n", addr); - return ret; - } - - r = _iwl_read_direct32(priv, CSR_EEPROM_REG); - e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16)); - } - - return 0; -} - static void iwl3945_unset_hw_params(struct iwl_priv *priv) { if (priv->shared_virt) @@ -1431,115 +843,6 @@ static void iwl3945_unset_hw_params(struct iwl_priv *priv) priv->shared_phys); } -/** - * iwl3945_supported_rate_to_ie - fill in the supported rate in IE field - * - * return : set the bit for each supported rate insert in ie - */ -static u16 iwl3945_supported_rate_to_ie(u8 *ie, u16 supported_rate, - u16 basic_rate, int *left) -{ - u16 ret_rates = 0, bit; - int i; - u8 *cnt = ie; - u8 *rates = ie + 1; - - for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) { - if (bit & supported_rate) { - ret_rates |= bit; - rates[*cnt] = iwl3945_rates[i].ieee | - ((bit & basic_rate) ? 0x80 : 0x00); - (*cnt)++; - (*left)--; - if ((*left <= 0) || - (*cnt >= IWL_SUPPORTED_RATES_IE_LEN)) - break; - } - } - - return ret_rates; -} - -/** - * iwl3945_fill_probe_req - fill in all required fields and IE for probe request - */ -static u16 iwl3945_fill_probe_req(struct iwl_priv *priv, - struct ieee80211_mgmt *frame, - int left) -{ - int len = 0; - u8 *pos = NULL; - u16 active_rates, ret_rates, cck_rates; - - /* Make sure there is enough space for the probe request, - * two mandatory IEs and the data */ - left -= 24; - if (left < 0) - return 0; - len += 24; - - frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); - memcpy(frame->da, iwl_bcast_addr, ETH_ALEN); - memcpy(frame->sa, priv->mac_addr, ETH_ALEN); - memcpy(frame->bssid, iwl_bcast_addr, ETH_ALEN); - frame->seq_ctrl = 0; - - /* fill in our indirect SSID IE */ - /* ...next IE... */ - - left -= 2; - if (left < 0) - return 0; - len += 2; - pos = &(frame->u.probe_req.variable[0]); - *pos++ = WLAN_EID_SSID; - *pos++ = 0; - - /* fill in supported rate */ - /* ...next IE... */ - left -= 2; - if (left < 0) - return 0; - - /* ... fill it in... */ - *pos++ = WLAN_EID_SUPP_RATES; - *pos = 0; - - priv->active_rate = priv->rates_mask; - active_rates = priv->active_rate; - priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; - - cck_rates = IWL_CCK_RATES_MASK & active_rates; - ret_rates = iwl3945_supported_rate_to_ie(pos, cck_rates, - priv->active_rate_basic, &left); - active_rates &= ~ret_rates; - - ret_rates = iwl3945_supported_rate_to_ie(pos, active_rates, - priv->active_rate_basic, &left); - active_rates &= ~ret_rates; - - len += 2 + *pos; - pos += (*pos) + 1; - if (active_rates == 0) - goto fill_end; - - /* fill in supported extended rate */ - /* ...next IE... */ - left -= 2; - if (left < 0) - return 0; - /* ... fill it in... */ - *pos++ = WLAN_EID_EXT_SUPP_RATES; - *pos = 0; - iwl3945_supported_rate_to_ie(pos, active_rates, - priv->active_rate_basic, &left); - if (*pos > 0) - len += 2 + *pos; - - fill_end: - return (u16)len; -} - /* * QoS support */ @@ -1547,7 +850,7 @@ static int iwl3945_send_qos_params_command(struct iwl_priv *priv, struct iwl_qosparam_cmd *qos) { - return iwl3945_send_cmd_pdu(priv, REPLY_QOS_PARAM, + return iwl_send_cmd_pdu(priv, REPLY_QOS_PARAM, sizeof(struct iwl_qosparam_cmd), qos); } @@ -1587,55 +890,41 @@ static void iwl3945_activate_qos(struct iwl_priv *priv, u8 force) #define MSEC_TO_USEC 1024 -#define NOSLP __constant_cpu_to_le16(0), 0, 0 -#define SLP IWL_POWER_DRIVER_ALLOW_SLEEP_MSK, 0, 0 -#define SLP_TIMEOUT(T) __constant_cpu_to_le32((T) * MSEC_TO_USEC) -#define SLP_VEC(X0, X1, X2, X3, X4) {__constant_cpu_to_le32(X0), \ - __constant_cpu_to_le32(X1), \ - __constant_cpu_to_le32(X2), \ - __constant_cpu_to_le32(X3), \ - __constant_cpu_to_le32(X4)} - /* default power management (not Tx power) table values */ /* for TIM 0-10 */ -static struct iwl_power_vec_entry range_0[IWL39_POWER_AC] = { - {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, - {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, - {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(300), SLP_VEC(2, 4, 6, 7, 7)}, 0}, - {{SLP, SLP_TIMEOUT(50), SLP_TIMEOUT(100), SLP_VEC(2, 6, 9, 9, 10)}, 0}, - {{SLP, SLP_TIMEOUT(50), SLP_TIMEOUT(25), SLP_VEC(2, 7, 9, 9, 10)}, 1}, - {{SLP, SLP_TIMEOUT(25), SLP_TIMEOUT(25), SLP_VEC(4, 7, 10, 10, 10)}, 1} +static struct iwl_power_vec_entry range_0[IWL_POWER_MAX] = { + {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, + {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, + {{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(2, 4, 6, 7, 7)}, 0}, + {{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 6, 9, 9, 10)}, 0}, + {{SLP, SLP_TOUT(50), SLP_TOUT(25), SLP_VEC(2, 7, 9, 9, 10)}, 1}, + {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(4, 7, 10, 10, 10)}, 1} }; /* for TIM > 10 */ -static struct iwl_power_vec_entry range_1[IWL39_POWER_AC] = { - {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, - {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), - SLP_VEC(1, 2, 3, 4, 0xFF)}, 0}, - {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(300), - SLP_VEC(2, 4, 6, 7, 0xFF)}, 0}, - {{SLP, SLP_TIMEOUT(50), SLP_TIMEOUT(100), - SLP_VEC(2, 6, 9, 9, 0xFF)}, 0}, - {{SLP, SLP_TIMEOUT(50), SLP_TIMEOUT(25), SLP_VEC(2, 7, 9, 9, 0xFF)}, 0}, - {{SLP, SLP_TIMEOUT(25), SLP_TIMEOUT(25), - SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} +static struct iwl_power_vec_entry range_1[IWL_POWER_MAX] = { + {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, + {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0}, + {{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(2, 4, 6, 7, 0xFF)}, 0}, + {{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 6, 9, 9, 0xFF)}, 0}, + {{SLP, SLP_TOUT(50), SLP_TOUT(25), SLP_VEC(2, 7, 9, 9, 0xFF)}, 0}, + {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; int iwl3945_power_init_handle(struct iwl_priv *priv) { int rc = 0, i; - struct iwl3945_power_mgr *pow_data; - int size = sizeof(struct iwl_power_vec_entry) * IWL39_POWER_AC; + struct iwl_power_mgr *pow_data; + int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_MAX; u16 pci_pm; IWL_DEBUG_POWER("Initialize power \n"); - pow_data = &(priv->power_data_39); + pow_data = &priv->power_data; memset(pow_data, 0, sizeof(*pow_data)); - pow_data->active_index = IWL_POWER_RANGE_0; - pow_data->dtim_val = 0xffff; + pow_data->dtim_period = 1; memcpy(&pow_data->pwr_range_0[0], &range_0[0], size); memcpy(&pow_data->pwr_range_1[0], &range_1[0], size); @@ -1648,7 +937,7 @@ int iwl3945_power_init_handle(struct iwl_priv *priv) IWL_DEBUG_POWER("adjust power command flags\n"); - for (i = 0; i < IWL39_POWER_AC; i++) { + for (i = 0; i < IWL_POWER_MAX; i++) { cmd = &pow_data->pwr_range_0[i].cmd; if (pci_pm & 0x1) @@ -1663,53 +952,46 @@ int iwl3945_power_init_handle(struct iwl_priv *priv) static int iwl3945_update_power_cmd(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, u32 mode) { - int rc = 0, i; - u8 skip; - u32 max_sleep = 0; + struct iwl_power_mgr *pow_data; struct iwl_power_vec_entry *range; + u32 max_sleep = 0; + int i; u8 period = 0; - struct iwl3945_power_mgr *pow_data; + bool skip; if (mode > IWL_POWER_INDEX_5) { IWL_DEBUG_POWER("Error invalid power mode \n"); - return -1; + return -EINVAL; } - pow_data = &(priv->power_data_39); + pow_data = &priv->power_data; - if (pow_data->active_index == IWL_POWER_RANGE_0) + if (pow_data->dtim_period < 10) range = &pow_data->pwr_range_0[0]; else range = &pow_data->pwr_range_1[1]; memcpy(cmd, &range[mode].cmd, sizeof(struct iwl3945_powertable_cmd)); -#ifdef IWL_MAC80211_DISABLE - if (priv->assoc_network != NULL) { - unsigned long flags; - - period = priv->assoc_network->tim.tim_period; - } -#endif /*IWL_MAC80211_DISABLE */ - skip = range[mode].no_dtim; if (period == 0) { period = 1; - skip = 0; + skip = false; + } else { + skip = !!range[mode].no_dtim; } - if (skip == 0) { - max_sleep = period; - cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK; - } else { + if (skip) { __le32 slp_itrvl = cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]; max_sleep = (le32_to_cpu(slp_itrvl) / period) * period; cmd->flags |= IWL_POWER_SLEEP_OVER_DTIM_MSK; + } else { + max_sleep = period; + cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK; } - for (i = 0; i < IWL_POWER_VEC_SIZE; i++) { + for (i = 0; i < IWL_POWER_VEC_SIZE; i++) if (le32_to_cpu(cmd->sleep_interval[i]) > max_sleep) cmd->sleep_interval[i] = cpu_to_le32(max_sleep); - } IWL_DEBUG_POWER("Flags value = 0x%08X\n", cmd->flags); IWL_DEBUG_POWER("Tx timeout = %u\n", le32_to_cpu(cmd->tx_data_timeout)); @@ -1721,7 +1003,7 @@ static int iwl3945_update_power_cmd(struct iwl_priv *priv, le32_to_cpu(cmd->sleep_interval[3]), le32_to_cpu(cmd->sleep_interval[4])); - return rc; + return 0; } static int iwl3945_send_power_mode(struct iwl_priv *priv, u32 mode) @@ -1748,8 +1030,8 @@ static int iwl3945_send_power_mode(struct iwl_priv *priv, u32 mode) iwl3945_update_power_cmd(priv, &cmd, final_mode); /* FIXME use get_hcmd_size 3945 command is 4 bytes shorter */ - rc = iwl3945_send_cmd_pdu(priv, POWER_TABLE_CMD, - sizeof(struct iwl3945_powertable_cmd), &cmd); + rc = iwl_send_cmd_pdu(priv, POWER_TABLE_CMD, + sizeof(struct iwl3945_powertable_cmd), &cmd); if (final_mode == IWL_POWER_MODE_CAM) clear_bit(STATUS_POWER_PMI, &priv->status); @@ -1759,58 +1041,6 @@ static int iwl3945_send_power_mode(struct iwl_priv *priv, u32 mode) return rc; } -/** - * iwl3945_scan_cancel - Cancel any currently executing HW scan - * - * NOTE: priv->mutex is not required before calling this function - */ -static int iwl3945_scan_cancel(struct iwl_priv *priv) -{ - if (!test_bit(STATUS_SCAN_HW, &priv->status)) { - clear_bit(STATUS_SCANNING, &priv->status); - return 0; - } - - if (test_bit(STATUS_SCANNING, &priv->status)) { - if (!test_bit(STATUS_SCAN_ABORTING, &priv->status)) { - IWL_DEBUG_SCAN("Queuing scan abort.\n"); - set_bit(STATUS_SCAN_ABORTING, &priv->status); - queue_work(priv->workqueue, &priv->abort_scan); - - } else - IWL_DEBUG_SCAN("Scan abort already in progress.\n"); - - return test_bit(STATUS_SCANNING, &priv->status); - } - - return 0; -} - -/** - * iwl3945_scan_cancel_timeout - Cancel any currently executing HW scan - * @ms: amount of time to wait (in milliseconds) for scan to abort - * - * NOTE: priv->mutex must be held before calling this function - */ -static int iwl3945_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) -{ - unsigned long now = jiffies; - int ret; - - ret = iwl3945_scan_cancel(priv); - if (ret && ms) { - mutex_unlock(&priv->mutex); - while (!time_after(jiffies, now + msecs_to_jiffies(ms)) && - test_bit(STATUS_SCANNING, &priv->status)) - msleep(1); - mutex_lock(&priv->mutex); - - return test_bit(STATUS_SCANNING, &priv->status); - } - - return ret; -} - #define MAX_UCODE_BEACON_INTERVAL 1024 #define INTEL_CONN_LISTEN_INTERVAL __constant_cpu_to_le16(0xA) @@ -1994,7 +1224,7 @@ static void iwl3945_connection_init_rx_config(struct iwl_priv *priv, priv->staging39_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; #endif - ch_info = iwl3945_get_channel_info(priv, priv->band, + ch_info = iwl_get_channel_info(priv, priv->band, le16_to_cpu(priv->active39_rxon.channel)); if (!ch_info) @@ -2026,7 +1256,7 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode) if (mode == NL80211_IFTYPE_ADHOC) { const struct iwl_channel_info *ch_info; - ch_info = iwl3945_get_channel_info(priv, + ch_info = iwl_get_channel_info(priv, priv->band, le16_to_cpu(priv->staging39_rxon.channel)); @@ -2047,7 +1277,7 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode) return -EAGAIN; cancel_delayed_work(&priv->scan_check); - if (iwl3945_scan_cancel_timeout(priv, 100)) { + if (iwl_scan_cancel_timeout(priv, 100)) { IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); IWL_DEBUG_MAC80211("leaving - scan abort failed.\n"); return -EAGAIN; @@ -2064,36 +1294,37 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv, struct sk_buff *skb_frag, int last_frag) { + struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload; struct iwl3945_hw_key *keyinfo = &priv->stations_39[info->control.hw_key->hw_key_idx].keyinfo; switch (keyinfo->alg) { case ALG_CCMP: - cmd->cmd.tx.sec_ctl = TX_CMD_SEC_CCM; - memcpy(cmd->cmd.tx.key, keyinfo->key, keyinfo->keylen); + tx->sec_ctl = TX_CMD_SEC_CCM; + memcpy(tx->key, keyinfo->key, keyinfo->keylen); IWL_DEBUG_TX("tx_cmd with AES hwcrypto\n"); break; case ALG_TKIP: #if 0 - cmd->cmd.tx.sec_ctl = TX_CMD_SEC_TKIP; + tx->sec_ctl = TX_CMD_SEC_TKIP; if (last_frag) - memcpy(cmd->cmd.tx.tkip_mic.byte, skb_frag->tail - 8, + memcpy(tx->tkip_mic.byte, skb_frag->tail - 8, 8); else - memset(cmd->cmd.tx.tkip_mic.byte, 0, 8); + memset(tx->tkip_mic.byte, 0, 8); #endif break; case ALG_WEP: - cmd->cmd.tx.sec_ctl = TX_CMD_SEC_WEP | + tx->sec_ctl = TX_CMD_SEC_WEP | (info->control.hw_key->hw_key_idx & TX_CMD_SEC_MSK) << TX_CMD_SEC_SHIFT; if (keyinfo->keylen == 13) - cmd->cmd.tx.sec_ctl |= TX_CMD_SEC_KEY128; + tx->sec_ctl |= TX_CMD_SEC_KEY128; - memcpy(&cmd->cmd.tx.key[3], keyinfo->key, keyinfo->keylen); + memcpy(&tx->key[3], keyinfo->key, keyinfo->keylen); IWL_DEBUG_TX("Configuring packet for WEP encryption " "with key %d\n", info->control.hw_key->hw_key_idx); @@ -2111,14 +1342,14 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv, static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv, struct iwl_cmd *cmd, struct ieee80211_tx_info *info, - struct ieee80211_hdr *hdr, - int is_unicast, u8 std_id) + struct ieee80211_hdr *hdr, u8 std_id) { + struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload; + __le32 tx_flags = tx->tx_flags; __le16 fc = hdr->frame_control; - __le32 tx_flags = cmd->cmd.tx.tx_flags; u8 rc_flags = info->control.rates[0].flags; - cmd->cmd.tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; + tx->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { tx_flags |= TX_CMD_FLG_ACK_MSK; if (ieee80211_is_mgmt(fc)) @@ -2131,13 +1362,13 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv, tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK; } - cmd->cmd.tx.sta_id = std_id; + tx->sta_id = std_id; if (ieee80211_has_morefrags(fc)) tx_flags |= TX_CMD_FLG_MORE_FRAG_MSK; if (ieee80211_is_data_qos(fc)) { u8 *qc = ieee80211_get_qos_ctl(hdr); - cmd->cmd.tx.tid_tspec = qc[0] & 0xf; + tx->tid_tspec = qc[0] & 0xf; tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK; } else { tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK; @@ -2157,19 +1388,19 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv, tx_flags &= ~(TX_CMD_FLG_ANT_SEL_MSK); if (ieee80211_is_mgmt(fc)) { if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc)) - cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3); + tx->timeout.pm_frame_timeout = cpu_to_le16(3); else - cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2); + tx->timeout.pm_frame_timeout = cpu_to_le16(2); } else { - cmd->cmd.tx.timeout.pm_frame_timeout = 0; + tx->timeout.pm_frame_timeout = 0; #ifdef CONFIG_IWL3945_LEDS priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len); #endif } - cmd->cmd.tx.driver_txop = 0; - cmd->cmd.tx.tx_flags = tx_flags; - cmd->cmd.tx.next_frame_len = 0; + tx->driver_txop = 0; + tx->tx_flags = tx_flags; + tx->next_frame_len = 0; } /** @@ -2237,14 +1468,13 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct iwl3945_tfd_frame *tfd; - u32 *control_flags; - int txq_id = skb_get_queue_mapping(skb); - struct iwl3945_tx_queue *txq = NULL; + struct iwl3945_tx_cmd *tx; + struct iwl_tx_queue *txq = NULL; struct iwl_queue *q = NULL; + struct iwl_cmd *out_cmd = NULL; dma_addr_t phys_addr; dma_addr_t txcmd_phys; - struct iwl_cmd *out_cmd = NULL; + int txq_id = skb_get_queue_mapping(skb); u16 len, idx, len_org, hdr_len; u8 id; u8 unicast; @@ -2273,7 +1503,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) fc = hdr->frame_control; -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG if (ieee80211_is_auth(fc)) IWL_DEBUG_TX("Sending AUTH frame\n"); else if (ieee80211_is_assoc_req(fc)) @@ -2317,25 +1547,22 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) } /* Descriptor for chosen Tx queue */ - txq = &priv->txq39[txq_id]; + txq = &priv->txq[txq_id]; q = &txq->q; spin_lock_irqsave(&priv->lock, flags); - /* Set up first empty TFD within this queue's circular TFD buffer */ - tfd = &txq->bd[q->write_ptr]; - memset(tfd, 0, sizeof(*tfd)); - control_flags = (u32 *) tfd; idx = get_cmd_index(q, q->write_ptr, 0); /* Set up driver data for this TFD */ - memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl3945_tx_info)); + memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info)); txq->txb[q->write_ptr].skb[0] = skb; /* Init first empty entry in queue's array of Tx/cmd buffers */ - out_cmd = &txq->cmd[idx]; + out_cmd = txq->cmd[idx]; + tx = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload; memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr)); - memset(&out_cmd->cmd.tx, 0, sizeof(out_cmd->cmd.tx)); + memset(tx, 0, sizeof(*tx)); /* * Set up the Tx-command (not MAC!) header. @@ -2348,7 +1575,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) INDEX_TO_SEQ(q->write_ptr))); /* Copy MAC header from skb into command buffer */ - memcpy(out_cmd->cmd.tx.hdr, hdr, hdr_len); + memcpy(tx->hdr, hdr, hdr_len); /* * Use the first empty entry in this queue's command buffer array @@ -2372,12 +1599,19 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ - txcmd_phys = txq->dma_addr_cmd + sizeof(struct iwl_cmd) * idx + - offsetof(struct iwl_cmd, hdr); + txcmd_phys = pci_map_single(priv->pci_dev, + out_cmd, sizeof(struct iwl_cmd), + PCI_DMA_TODEVICE); + pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys); + pci_unmap_len_set(&out_cmd->meta, len, sizeof(struct iwl_cmd)); + /* Add buffer containing Tx command and MAC(!) header to TFD's + * first entry */ + txcmd_phys += offsetof(struct iwl_cmd, hdr); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ - iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len); + priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, + txcmd_phys, len, 1, 0); if (info->control.hw_key) iwl3945_build_tx_cmd_hwcrypto(priv, info, out_cmd, skb, 0); @@ -2388,30 +1622,23 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (len) { phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len, len, PCI_DMA_TODEVICE); - iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, len); + priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, + phys_addr, len, + 0, U32_PAD(len)); } - if (!len) - /* If there is no payload, then we use only one Tx buffer */ - *control_flags = TFD_CTL_COUNT_SET(1); - else - /* Else use 2 buffers. - * Tell 3945 about any padding after MAC header */ - *control_flags = TFD_CTL_COUNT_SET(2) | - TFD_CTL_PAD_SET(U32_PAD(len)); - /* Total # bytes to be transmitted */ len = (u16)skb->len; - out_cmd->cmd.tx.len = cpu_to_le16(len); + tx->len = cpu_to_le16(len); /* TODO need this for burst mode later on */ - iwl3945_build_tx_cmd_basic(priv, out_cmd, info, hdr, unicast, sta_id); + iwl3945_build_tx_cmd_basic(priv, out_cmd, info, hdr, sta_id); /* set is_hcca to 0; it probably will never be implemented */ iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, info, hdr, sta_id, 0); - out_cmd->cmd.tx.tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; - out_cmd->cmd.tx.tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; + tx->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; + tx->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; if (!ieee80211_has_morefrags(hdr->frame_control)) { txq->need_update = 1; @@ -2422,15 +1649,14 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) txq->need_update = 0; } - iwl_print_hex_dump(priv, IWL_DL_TX, out_cmd->cmd.payload, - sizeof(out_cmd->cmd.tx)); + iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx)); - iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)out_cmd->cmd.tx.hdr, + iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr, ieee80211_hdrlen(fc)); /* Tell device the write index *just past* this latest filled TFD */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); - rc = iwl3945_tx_queue_update_write_ptr(priv, txq); + rc = iwl_txq_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); if (rc) @@ -2441,7 +1667,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (wait_write_ptr) { spin_lock_irqsave(&priv->lock, flags); txq->need_update = 1; - iwl3945_tx_queue_update_write_ptr(priv, txq); + iwl_txq_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); } @@ -2462,7 +1688,7 @@ static void iwl3945_set_rate(struct iwl_priv *priv) struct ieee80211_rate *rate; int i; - sband = iwl3945_get_band(priv, priv->band); + sband = iwl_get_hw_mode(priv, priv->band); if (!sband) { IWL_ERR(priv, "Failed to set rate: unable to get hw mode\n"); return; @@ -2521,14 +1747,14 @@ static void iwl3945_radio_kill_sw(struct iwl_priv *priv, int disable_radio) disable_radio ? "OFF" : "ON"); if (disable_radio) { - iwl3945_scan_cancel(priv); + iwl_scan_cancel(priv); /* FIXME: This is a workaround for AP */ if (priv->iw_mode != NL80211_IFTYPE_AP) { spin_lock_irqsave(&priv->lock, flags); iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_SW_BIT_RFKILL); spin_unlock_irqrestore(&priv->lock, flags); - iwl3945_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0); + iwl_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0); set_bit(STATUS_RF_KILL_SW, &priv->status); } return; @@ -2691,7 +1917,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv, spectrum.flags |= RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK; - rc = iwl3945_send_cmd_sync(priv, &cmd); + rc = iwl_send_cmd_sync(priv, &cmd); if (rc) return rc; @@ -2763,7 +1989,9 @@ static void iwl3945_rx_reply_alive(struct iwl_priv *priv, static void iwl3945_rx_reply_add_sta(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (void *)rxb->skb->data; +#endif IWL_DEBUG_RX("Received REPLY_ADD_STA: 0x%02X\n", pkt->u.status); return; @@ -2817,7 +2045,7 @@ static void iwl3945_rx_spectrum_measure_notif(struct iwl_priv *priv, static void iwl3945_rx_pm_sleep_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (void *)rxb->skb->data; struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif); IWL_DEBUG_RX("sleep mode: %d, src: %d\n", @@ -2864,7 +2092,7 @@ static void iwl3945_bg_beacon_update(struct work_struct *work) static void iwl3945_rx_beacon_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (void *)rxb->skb->data; struct iwl3945_beacon_notif *beacon = &(pkt->u.beacon_status); u8 rate = beacon->beacon_notify_hdr.rate; @@ -2887,7 +2115,7 @@ static void iwl3945_rx_beacon_notif(struct iwl_priv *priv, static void iwl3945_rx_reply_scan(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (void *)rxb->skb->data; struct iwl_scanreq_notification *notif = (struct iwl_scanreq_notification *)pkt->u.raw; @@ -2917,9 +2145,11 @@ static void iwl3945_rx_scan_start_notif(struct iwl_priv *priv, static void iwl3945_rx_scan_results_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (void *)rxb->skb->data; struct iwl_scanresults_notification *notif = (struct iwl_scanresults_notification *)pkt->u.raw; +#endif IWL_DEBUG_SCAN("Scan ch.res: " "%d [802.11%s] " @@ -2942,8 +2172,10 @@ static void iwl3945_rx_scan_results_notif(struct iwl_priv *priv, static void iwl3945_rx_scan_complete_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (void *)rxb->skb->data; struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw; +#endif IWL_DEBUG_SCAN("Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n", scan_notif->scanned_channels, @@ -3027,7 +2259,7 @@ static void iwl3945_rx_card_state_notif(struct iwl_priv *priv, else clear_bit(STATUS_RF_KILL_SW, &priv->status); - iwl3945_scan_cancel(priv); + iwl_scan_cancel(priv); if ((test_bit(STATUS_RF_KILL_HW, &status) != test_bit(STATUS_RF_KILL_HW, &priv->status)) || @@ -3088,11 +2320,11 @@ static void iwl3945_setup_rx_handlers(struct iwl_priv *priv) static void iwl3945_cmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) { - struct iwl3945_tx_queue *txq = &priv->txq39[txq_id]; + struct iwl_tx_queue *txq = &priv->txq[txq_id]; struct iwl_queue *q = &txq->q; int nfreed = 0; - if ((index >= q->n_bd) || (iwl3945_x2_queue_used(q, index) == 0)) { + if ((index >= q->n_bd) || (iwl_queue_used(q, index) == 0)) { IWL_ERR(priv, "Read index for DMA queue txq id (%d), index %d, " "is out of range [0-%d] %d %d.\n", txq_id, index, q->n_bd, q->write_ptr, q->read_ptr); @@ -3131,10 +2363,17 @@ static void iwl3945_tx_cmd_complete(struct iwl_priv *priv, int cmd_index; struct iwl_cmd *cmd; - BUG_ON(txq_id != IWL_CMD_QUEUE_NUM); + if (WARN(txq_id != IWL_CMD_QUEUE_NUM, + "wrong command queue %d, sequence 0x%X readp=%d writep=%d\n", + txq_id, sequence, + priv->txq[IWL_CMD_QUEUE_NUM].q.read_ptr, + priv->txq[IWL_CMD_QUEUE_NUM].q.write_ptr)) { + iwl_print_hex_dump(priv, IWL_DL_INFO , rxb, 32); + return; + } - cmd_index = get_cmd_index(&priv->txq39[IWL_CMD_QUEUE_NUM].q, index, huge); - cmd = &priv->txq39[IWL_CMD_QUEUE_NUM].cmd[cmd_index]; + cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge); + cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index]; /* Input error checking is done when commands are added to queue. */ if (cmd->meta.flags & CMD_WANT_SKB) { @@ -3199,7 +2438,6 @@ static void iwl3945_tx_cmd_complete(struct iwl_priv *priv, * * Driver sequence: * - * iwl3945_rx_queue_alloc() Allocates rx_free * iwl3945_rx_replenish() Replenishes rx_free list from rx_used, and calls * iwl3945_rx_queue_restock * iwl3945_rx_queue_restock() Moves available buffers from rx_free into Rx @@ -3209,74 +2447,13 @@ static void iwl3945_tx_cmd_complete(struct iwl_priv *priv, * * -- enable interrupts -- * ISR - iwl3945_rx() Detach iwl_rx_mem_buffers from pool up to the - * READ INDEX, detaching the SKB from the pool. - * Moves the packet buffer from queue to rx_used. - * Calls iwl3945_rx_queue_restock to refill any empty - * slots. - * ... - * - */ - -/** - * iwl3945_rx_queue_space - Return number of free slots available in queue. - */ -static int iwl3945_rx_queue_space(const struct iwl_rx_queue *q) -{ - int s = q->read - q->write; - if (s <= 0) - s += RX_QUEUE_SIZE; - /* keep some buffer to not confuse full and empty queue */ - s -= 2; - if (s < 0) - s = 0; - return s; -} - -/** - * iwl3945_rx_queue_update_write_ptr - Update the write pointer for the RX queue + * READ INDEX, detaching the SKB from the pool. + * Moves the packet buffer from queue to rx_used. + * Calls iwl3945_rx_queue_restock to refill any empty + * slots. + * ... + * */ -int iwl3945_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) -{ - u32 reg = 0; - int rc = 0; - unsigned long flags; - - spin_lock_irqsave(&q->lock, flags); - - if (q->need_update == 0) - goto exit_unlock; - - /* If power-saving is in use, make sure device is awake */ - if (test_bit(STATUS_POWER_PMI, &priv->status)) { - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); - - if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - iwl_set_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - goto exit_unlock; - } - - rc = iwl_grab_nic_access(priv); - if (rc) - goto exit_unlock; - - /* Device expects a multiple of 8 */ - iwl_write_direct32(priv, FH39_RSCSR_CHNL0_WPTR, - q->write & ~0x7); - iwl_release_nic_access(priv); - - /* Else device is assumed to be awake */ - } else - /* Device expects a multiple of 8 */ - iwl_write32(priv, FH39_RSCSR_CHNL0_WPTR, q->write & ~0x7); - - - q->need_update = 0; - - exit_unlock: - spin_unlock_irqrestore(&q->lock, flags); - return rc; -} /** * iwl3945_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr @@ -3308,7 +2485,7 @@ static int iwl3945_rx_queue_restock(struct iwl_priv *priv) spin_lock_irqsave(&rxq->lock, flags); write = rxq->write & ~0x7; - while ((iwl3945_rx_queue_space(rxq) > 0) && (rxq->free_count)) { + while ((iwl_rx_queue_space(rxq) > 0) && (rxq->free_count)) { /* Get next free Rx buffer, remove from free list */ element = rxq->rx_free.next; rxb = list_entry(element, struct iwl_rx_mem_buffer, list); @@ -3334,7 +2511,7 @@ static int iwl3945_rx_queue_restock(struct iwl_priv *priv) spin_lock_irqsave(&rxq->lock, flags); rxq->need_update = 1; spin_unlock_irqrestore(&rxq->lock, flags); - rc = iwl3945_rx_queue_update_write_ptr(priv, rxq); + rc = iwl_rx_queue_update_write_ptr(priv, rxq); if (rc) return rc; } @@ -3363,7 +2540,8 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv) /* Alloc a new receive buffer */ rxb->skb = - alloc_skb(IWL_RX_BUF_SIZE, __GFP_NOWARN | GFP_ATOMIC); + alloc_skb(priv->hw_params.rx_buf_size, + __GFP_NOWARN | GFP_ATOMIC); if (!rxb->skb) { if (net_ratelimit()) IWL_CRIT(priv, ": Can not allocate SKB buffers\n"); @@ -3385,9 +2563,10 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv) list_del(element); /* Get physical address of RB/SKB */ - rxb->real_dma_addr = - pci_map_single(priv->pci_dev, rxb->skb->data, - IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); + rxb->real_dma_addr = pci_map_single(priv->pci_dev, + rxb->skb->data, + priv->hw_params.rx_buf_size, + PCI_DMA_FROMDEVICE); list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; } @@ -3418,84 +2597,6 @@ void iwl3945_rx_replenish(void *data) spin_unlock_irqrestore(&priv->lock, flags); } -/* Assumes that the skb field of the buffers in 'pool' is kept accurate. - * If an SKB has been detached, the POOL needs to have its SKB set to NULL - * This free routine walks the list of POOL entries and if SKB is set to - * non NULL it is unmapped and freed - */ -static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) -{ - int i; - for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) { - if (rxq->pool[i].skb != NULL) { - pci_unmap_single(priv->pci_dev, - rxq->pool[i].real_dma_addr, - IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - dev_kfree_skb(rxq->pool[i].skb); - } - } - - pci_free_consistent(priv->pci_dev, 4 * RX_QUEUE_SIZE, rxq->bd, - rxq->dma_addr); - rxq->bd = NULL; -} - -int iwl3945_rx_queue_alloc(struct iwl_priv *priv) -{ - struct iwl_rx_queue *rxq = &priv->rxq; - struct pci_dev *dev = priv->pci_dev; - int i; - - spin_lock_init(&rxq->lock); - INIT_LIST_HEAD(&rxq->rx_free); - INIT_LIST_HEAD(&rxq->rx_used); - - /* Alloc the circular buffer of Read Buffer Descriptors (RBDs) */ - rxq->bd = pci_alloc_consistent(dev, 4 * RX_QUEUE_SIZE, &rxq->dma_addr); - if (!rxq->bd) - return -ENOMEM; - - /* Fill the rx_used queue with _all_ of the Rx buffers */ - for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) - list_add_tail(&rxq->pool[i].list, &rxq->rx_used); - - /* Set us so that we have processed and used all buffers, but have - * not restocked the Rx queue with fresh buffers */ - rxq->read = rxq->write = 0; - rxq->free_count = 0; - rxq->need_update = 0; - return 0; -} - -void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq) -{ - unsigned long flags; - int i; - spin_lock_irqsave(&rxq->lock, flags); - INIT_LIST_HEAD(&rxq->rx_free); - INIT_LIST_HEAD(&rxq->rx_used); - /* Fill the rx_used queue with _all_ of the Rx buffers */ - for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { - /* In the reset function, these buffers may have been allocated - * to an SKB, so we need to unmap and free potential storage */ - if (rxq->pool[i].skb != NULL) { - pci_unmap_single(priv->pci_dev, - rxq->pool[i].real_dma_addr, - IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - priv->alloc_rxb_skb--; - dev_kfree_skb(rxq->pool[i].skb); - rxq->pool[i].skb = NULL; - } - list_add_tail(&rxq->pool[i].list, &rxq->rx_used); - } - - /* Set us so that we have processed and used all buffers, but have - * not restocked the Rx queue with fresh buffers */ - rxq->read = rxq->write = 0; - rxq->free_count = 0; - spin_unlock_irqrestore(&rxq->lock, flags); -} - /* Convert linear signal-to-noise ratio into dB */ static u8 ratio2dB[100] = { /* 0 1 2 3 4 5 6 7 8 9 */ @@ -3594,10 +2695,10 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) /* uCode's read index (stored in shared DRAM) indicates the last Rx * buffer that the driver may process (last buffer filled by ucode). */ - r = iwl3945_hw_get_rx_read(priv); + r = le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF; i = rxq->read; - if (iwl3945_rx_queue_space(rxq) > (RX_QUEUE_SIZE / 2)) + if (iwl_rx_queue_space(rxq) > (RX_QUEUE_SIZE / 2)) fill_rx = 1; /* Rx interrupt, but nothing sent from uCode */ if (i == r) @@ -3614,7 +2715,7 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) rxq->queue[i] = NULL; pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->real_dma_addr, - IWL_RX_BUF_SIZE, + priv->hw_params.rx_buf_size, PCI_DMA_FROMDEVICE); pkt = (struct iwl_rx_packet *)rxb->skb->data; @@ -3646,7 +2747,7 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) if (reclaim) { /* Invoke any callbacks, transfer the skb to caller, and - * fire off the (possibly) blocking iwl3945_send_cmd() + * fire off the (possibly) blocking iwl_send_cmd() * as we reclaim the driver command queue */ if (rxb && rxb->skb) iwl3945_tx_cmd_complete(priv, rxb); @@ -3664,7 +2765,8 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) } pci_unmap_single(priv->pci_dev, rxb->real_dma_addr, - IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); + priv->hw_params.rx_buf_size, + PCI_DMA_FROMDEVICE); spin_lock_irqsave(&rxq->lock, flags); list_add_tail(&rxb->list, &priv->rxq.rx_used); spin_unlock_irqrestore(&rxq->lock, flags); @@ -3686,53 +2788,7 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) iwl3945_rx_queue_restock(priv); } -/** - * iwl3945_tx_queue_update_write_ptr - Send new write index to hardware - */ -static int iwl3945_tx_queue_update_write_ptr(struct iwl_priv *priv, - struct iwl3945_tx_queue *txq) -{ - u32 reg = 0; - int rc = 0; - int txq_id = txq->q.id; - - if (txq->need_update == 0) - return rc; - - /* if we're trying to save power */ - if (test_bit(STATUS_POWER_PMI, &priv->status)) { - /* wake up nic if it's powered down ... - * uCode will wake up, and interrupt us again, so next - * time we'll skip this part. */ - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); - - if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - IWL_DEBUG_INFO("Requesting wakeup, GP1 = 0x%x\n", reg); - iwl_set_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - return rc; - } - - /* restore this queue's parameters in nic hardware. */ - rc = iwl_grab_nic_access(priv); - if (rc) - return rc; - iwl_write_direct32(priv, HBUS_TARG_WRPTR, - txq->q.write_ptr | (txq_id << 8)); - iwl_release_nic_access(priv); - - /* else not in power-save mode, uCode will never sleep when we're - * trying to tx (during RFKILL, we're not trying to tx). */ - } else - iwl_write32(priv, HBUS_TARG_WRPTR, - txq->q.write_ptr | (txq_id << 8)); - - txq->need_update = 0; - - return rc; -} - -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG static void iwl3945_print_rx_config_cmd(struct iwl_priv *priv, struct iwl3945_rxon_cmd *rxon) { @@ -3972,7 +3028,7 @@ static void iwl3945_irq_handle_error(struct iwl_priv *priv) /* Cancel currently queued command. */ clear_bit(STATUS_HCMD_ACTIVE, &priv->status); -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG if (priv->debug_level & IWL_DL_FW_ERRORS) { iwl3945_dump_nic_error_log(priv); iwl3945_dump_nic_event_log(priv); @@ -4021,7 +3077,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv) u32 inta, handled = 0; u32 inta_fh; unsigned long flags; -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG u32 inta_mask; #endif @@ -4039,7 +3095,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv) inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh); -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG if (priv->debug_level & IWL_DL_ISR) { /* just for debug */ inta_mask = iwl_read32(priv, CSR_INT_MASK); @@ -4073,7 +3129,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv) return; } -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG if (priv->debug_level & (IWL_DL_ISR)) { /* NIC fires this, but we don't use it, redundant with WAKEUP */ if (inta & CSR_INT_BIT_SCD) @@ -4099,13 +3155,13 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv) /* uCode wakes up after power-down sleep */ if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR("Wakeup interrupt\n"); - iwl3945_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl3945_tx_queue_update_write_ptr(priv, &priv->txq39[0]); - iwl3945_tx_queue_update_write_ptr(priv, &priv->txq39[1]); - iwl3945_tx_queue_update_write_ptr(priv, &priv->txq39[2]); - iwl3945_tx_queue_update_write_ptr(priv, &priv->txq39[3]); - iwl3945_tx_queue_update_write_ptr(priv, &priv->txq39[4]); - iwl3945_tx_queue_update_write_ptr(priv, &priv->txq39[5]); + 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]); handled |= CSR_INT_BIT_WAKEUP; } @@ -4144,7 +3200,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv) if (test_bit(STATUS_INT_ENABLED, &priv->status)) iwl3945_enable_interrupts(priv); -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG if (priv->debug_level & (IWL_DL_ISR)) { inta = iwl_read32(priv, CSR_INT); inta_mask = iwl_read32(priv, CSR_INT_MASK); @@ -4213,318 +3269,6 @@ unplugged: return IRQ_NONE; } -/************************** EEPROM BANDS **************************** - * - * The iwl3945_eeprom_band definitions below provide the mapping from the - * EEPROM contents to the specific channel number supported for each - * band. - * - * For example, iwl3945_priv->eeprom39.band_3_channels[4] from the band_3 - * definition below maps to physical channel 42 in the 5.2GHz spectrum. - * The specific geography and calibration information for that channel - * is contained in the eeprom map itself. - * - * During init, we copy the eeprom information and channel map - * information into priv->channel_info_24/52 and priv->channel_map_24/52 - * - * channel_map_24/52 provides the index in the channel_info array for a - * given channel. We have to have two separate maps as there is channel - * overlap with the 2.4GHz and 5.2GHz spectrum as seen in band_1 and - * band_2 - * - * A value of 0xff stored in the channel_map indicates that the channel - * is not supported by the hardware at all. - * - * A value of 0xfe in the channel_map indicates that the channel is not - * valid for Tx with the current hardware. This means that - * while the system can tune and receive on a given channel, it may not - * be able to associate or transmit any frames on that - * channel. There is no corresponding channel information for that - * entry. - * - *********************************************************************/ - -/* 2.4 GHz */ -static const u8 iwl3945_eeprom_band_1[14] = { - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 -}; - -/* 5.2 GHz bands */ -static const u8 iwl3945_eeprom_band_2[] = { /* 4915-5080MHz */ - 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 -}; - -static const u8 iwl3945_eeprom_band_3[] = { /* 5170-5320MHz */ - 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 -}; - -static const u8 iwl3945_eeprom_band_4[] = { /* 5500-5700MHz */ - 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 -}; - -static const u8 iwl3945_eeprom_band_5[] = { /* 5725-5825MHz */ - 145, 149, 153, 157, 161, 165 -}; - -static void iwl3945_init_band_reference(const struct iwl_priv *priv, int band, - int *eeprom_ch_count, - const struct iwl_eeprom_channel - **eeprom_ch_info, - const u8 **eeprom_ch_index) -{ - switch (band) { - case 1: /* 2.4GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_1); - *eeprom_ch_info = priv->eeprom39.band_1_channels; - *eeprom_ch_index = iwl3945_eeprom_band_1; - break; - case 2: /* 4.9GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_2); - *eeprom_ch_info = priv->eeprom39.band_2_channels; - *eeprom_ch_index = iwl3945_eeprom_band_2; - break; - case 3: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_3); - *eeprom_ch_info = priv->eeprom39.band_3_channels; - *eeprom_ch_index = iwl3945_eeprom_band_3; - break; - case 4: /* 5.5GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_4); - *eeprom_ch_info = priv->eeprom39.band_4_channels; - *eeprom_ch_index = iwl3945_eeprom_band_4; - break; - case 5: /* 5.7GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_5); - *eeprom_ch_info = priv->eeprom39.band_5_channels; - *eeprom_ch_index = iwl3945_eeprom_band_5; - break; - default: - BUG(); - return; - } -} - -/** - * iwl3945_get_channel_info - Find driver's private channel info - * - * Based on band and channel number. - */ -const struct iwl_channel_info * -iwl3945_get_channel_info(const struct iwl_priv *priv, - enum ieee80211_band band, u16 channel) -{ - int i; - - switch (band) { - case IEEE80211_BAND_5GHZ: - for (i = 14; i < priv->channel_count; i++) { - if (priv->channel_info[i].channel == channel) - return &priv->channel_info[i]; - } - break; - - case IEEE80211_BAND_2GHZ: - if (channel >= 1 && channel <= 14) - return &priv->channel_info[channel - 1]; - break; - case IEEE80211_NUM_BANDS: - WARN_ON(1); - } - - return NULL; -} - -#define CHECK_AND_PRINT(x) ((eeprom_ch_info[ch].flags & EEPROM_CHANNEL_##x) \ - ? # x " " : "") - -/** - * iwl3945_init_channel_map - Set up driver's info for all possible channels - */ -static int iwl3945_init_channel_map(struct iwl_priv *priv) -{ - int eeprom_ch_count = 0; - const u8 *eeprom_ch_index = NULL; - const struct iwl_eeprom_channel *eeprom_ch_info = NULL; - int band, ch; - struct iwl_channel_info *ch_info; - - if (priv->channel_count) { - IWL_DEBUG_INFO("Channel map already initialized.\n"); - return 0; - } - - if (priv->eeprom39.version < 0x2f) { - IWL_WARN(priv, "Unsupported EEPROM version: 0x%04X\n", - priv->eeprom39.version); - return -EINVAL; - } - - IWL_DEBUG_INFO("Initializing regulatory info from EEPROM\n"); - - priv->channel_count = - ARRAY_SIZE(iwl3945_eeprom_band_1) + - ARRAY_SIZE(iwl3945_eeprom_band_2) + - ARRAY_SIZE(iwl3945_eeprom_band_3) + - ARRAY_SIZE(iwl3945_eeprom_band_4) + - ARRAY_SIZE(iwl3945_eeprom_band_5); - - IWL_DEBUG_INFO("Parsing data for %d channels.\n", priv->channel_count); - - priv->channel_info = kzalloc(sizeof(struct iwl_channel_info) * - priv->channel_count, GFP_KERNEL); - if (!priv->channel_info) { - IWL_ERR(priv, "Could not allocate channel_info\n"); - priv->channel_count = 0; - return -ENOMEM; - } - - ch_info = priv->channel_info; - - /* Loop through the 5 EEPROM bands adding them in order to the - * channel map we maintain (that contains additional information than - * what just in the EEPROM) */ - for (band = 1; band <= 5; band++) { - - iwl3945_init_band_reference(priv, band, &eeprom_ch_count, - &eeprom_ch_info, &eeprom_ch_index); - - /* Loop through each band adding each of the channels */ - for (ch = 0; ch < eeprom_ch_count; ch++) { - ch_info->channel = eeprom_ch_index[ch]; - ch_info->band = (band == 1) ? IEEE80211_BAND_2GHZ : - IEEE80211_BAND_5GHZ; - - /* permanently store EEPROM's channel regulatory flags - * and max power in channel info database. */ - ch_info->eeprom = eeprom_ch_info[ch]; - - /* Copy the run-time flags so they are there even on - * invalid channels */ - ch_info->flags = eeprom_ch_info[ch].flags; - - if (!(is_channel_valid(ch_info))) { - IWL_DEBUG_INFO("Ch. %d Flags %x [%sGHz] - " - "No traffic\n", - ch_info->channel, - ch_info->flags, - is_channel_a_band(ch_info) ? - "5.2" : "2.4"); - ch_info++; - continue; - } - - /* Initialize regulatory-based run-time data */ - ch_info->max_power_avg = ch_info->curr_txpow = - eeprom_ch_info[ch].max_power_avg; - ch_info->scan_power = eeprom_ch_info[ch].max_power_avg; - ch_info->min_power = 0; - - IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x" - " %ddBm): Ad-Hoc %ssupported\n", - ch_info->channel, - is_channel_a_band(ch_info) ? - "5.2" : "2.4", - CHECK_AND_PRINT(VALID), - CHECK_AND_PRINT(IBSS), - CHECK_AND_PRINT(ACTIVE), - CHECK_AND_PRINT(RADAR), - CHECK_AND_PRINT(WIDE), - CHECK_AND_PRINT(DFS), - eeprom_ch_info[ch].flags, - eeprom_ch_info[ch].max_power_avg, - ((eeprom_ch_info[ch]. - flags & EEPROM_CHANNEL_IBSS) - && !(eeprom_ch_info[ch]. - flags & EEPROM_CHANNEL_RADAR)) - ? "" : "not "); - - /* Set the user_txpower_limit to the highest power - * supported by any channel */ - if (eeprom_ch_info[ch].max_power_avg > - priv->user_txpower_limit) - priv->user_txpower_limit = - eeprom_ch_info[ch].max_power_avg; - - ch_info++; - } - } - - /* Set up txpower settings in driver for all channels */ - if (iwl3945_txpower_set_from_eeprom(priv)) - return -EIO; - - return 0; -} - -/* - * iwl3945_free_channel_map - undo allocations in iwl3945_init_channel_map - */ -static void iwl3945_free_channel_map(struct iwl_priv *priv) -{ - kfree(priv->channel_info); - priv->channel_count = 0; -} - -/* For active scan, listen ACTIVE_DWELL_TIME (msec) on each channel after - * sending probe req. This should be set long enough to hear probe responses - * from more than one AP. */ -#define IWL_ACTIVE_DWELL_TIME_24 (30) /* all times in msec */ -#define IWL_ACTIVE_DWELL_TIME_52 (20) - -#define IWL_ACTIVE_DWELL_FACTOR_24GHZ (3) -#define IWL_ACTIVE_DWELL_FACTOR_52GHZ (2) - -/* For faster active scanning, scan will move to the next channel if fewer than - * PLCP_QUIET_THRESH packets are heard on this channel within - * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell - * time if it's a quiet channel (nothing responded to our probe, and there's - * no other traffic). - * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */ -#define IWL_PLCP_QUIET_THRESH __constant_cpu_to_le16(1) /* packets */ -#define IWL_ACTIVE_QUIET_TIME __constant_cpu_to_le16(10) /* msec */ - -/* For passive scan, listen PASSIVE_DWELL_TIME (msec) on each channel. - * Must be set longer than active dwell time. - * For the most reliable scan, set > AP beacon interval (typically 100msec). */ -#define IWL_PASSIVE_DWELL_TIME_24 (20) /* all times in msec */ -#define IWL_PASSIVE_DWELL_TIME_52 (10) -#define IWL_PASSIVE_DWELL_BASE (100) -#define IWL_CHANNEL_TUNE_TIME 5 - -#define IWL_SCAN_PROBE_MASK(n) (BIT(n) | (BIT(n) - BIT(1))) - -static inline u16 iwl3945_get_active_dwell_time(struct iwl_priv *priv, - enum ieee80211_band band, - u8 n_probes) -{ - if (band == IEEE80211_BAND_5GHZ) - return IWL_ACTIVE_DWELL_TIME_52 + - IWL_ACTIVE_DWELL_FACTOR_52GHZ * (n_probes + 1); - else - return IWL_ACTIVE_DWELL_TIME_24 + - IWL_ACTIVE_DWELL_FACTOR_24GHZ * (n_probes + 1); -} - -static u16 iwl3945_get_passive_dwell_time(struct iwl_priv *priv, - enum ieee80211_band band) -{ - u16 passive = (band == IEEE80211_BAND_2GHZ) ? - IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 : - IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52; - - if (iwl3945_is_associated(priv)) { - /* If we're associated, we clamp the maximum passive - * dwell time to be 98% of the beacon interval (minus - * 2 * channel tune time) */ - passive = priv->beacon_int; - if ((passive > IWL_PASSIVE_DWELL_BASE) || !passive) - passive = IWL_PASSIVE_DWELL_BASE; - passive = (passive * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2; - } - - return passive; -} - static int iwl3945_get_channels_for_scan(struct iwl_priv *priv, enum ieee80211_band band, u8 is_active, u8 n_probes, @@ -4537,14 +3281,14 @@ static int iwl3945_get_channels_for_scan(struct iwl_priv *priv, u16 active_dwell = 0; int added, i; - sband = iwl3945_get_band(priv, band); + sband = iwl_get_hw_mode(priv, band); if (!sband) return 0; channels = sband->channels; - active_dwell = iwl3945_get_active_dwell_time(priv, band, n_probes); - passive_dwell = iwl3945_get_passive_dwell_time(priv, band); + active_dwell = iwl_get_active_dwell_time(priv, band, n_probes); + passive_dwell = iwl_get_passive_dwell_time(priv, band); if (passive_dwell <= active_dwell) passive_dwell = active_dwell + 1; @@ -4555,7 +3299,7 @@ static int iwl3945_get_channels_for_scan(struct iwl_priv *priv, scan_ch->channel = channels[i].hw_value; - ch_info = iwl3945_get_channel_info(priv, band, scan_ch->channel); + ch_info = iwl_get_channel_info(priv, band, scan_ch->channel); if (!is_channel_valid(ch_info)) { IWL_DEBUG_SCAN("Channel %d is INVALID for this band.\n", scan_ch->channel); @@ -4639,136 +3383,6 @@ static void iwl3945_init_hw_rates(struct iwl_priv *priv, } } -/** - * iwl3945_init_geos - Initialize mac80211's geo/channel info based from eeprom - */ -static int iwl3945_init_geos(struct iwl_priv *priv) -{ - struct iwl_channel_info *ch; - struct ieee80211_supported_band *sband; - struct ieee80211_channel *channels; - struct ieee80211_channel *geo_ch; - struct ieee80211_rate *rates; - int i = 0; - - if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || - priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { - IWL_DEBUG_INFO("Geography modes already initialized.\n"); - set_bit(STATUS_GEO_CONFIGURED, &priv->status); - return 0; - } - - channels = kzalloc(sizeof(struct ieee80211_channel) * - priv->channel_count, GFP_KERNEL); - if (!channels) - return -ENOMEM; - - rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)), - GFP_KERNEL); - if (!rates) { - kfree(channels); - return -ENOMEM; - } - - /* 5.2GHz channels start after the 2.4GHz channels */ - sband = &priv->bands[IEEE80211_BAND_5GHZ]; - sband->channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)]; - /* just OFDM */ - sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; - sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; - - sband = &priv->bands[IEEE80211_BAND_2GHZ]; - sband->channels = channels; - /* OFDM & CCK */ - sband->bitrates = rates; - sband->n_bitrates = IWL_RATE_COUNT; - - priv->ieee_channels = channels; - priv->ieee_rates = rates; - - iwl3945_init_hw_rates(priv, rates); - - for (i = 0; i < priv->channel_count; i++) { - ch = &priv->channel_info[i]; - - /* FIXME: might be removed if scan is OK*/ - if (!is_channel_valid(ch)) - continue; - - if (is_channel_a_band(ch)) - sband = &priv->bands[IEEE80211_BAND_5GHZ]; - else - sband = &priv->bands[IEEE80211_BAND_2GHZ]; - - geo_ch = &sband->channels[sband->n_channels++]; - - geo_ch->center_freq = ieee80211_channel_to_frequency(ch->channel); - geo_ch->max_power = ch->max_power_avg; - geo_ch->max_antenna_gain = 0xff; - geo_ch->hw_value = ch->channel; - - if (is_channel_valid(ch)) { - if (!(ch->flags & EEPROM_CHANNEL_IBSS)) - geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; - - if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) - geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; - - if (ch->flags & EEPROM_CHANNEL_RADAR) - geo_ch->flags |= IEEE80211_CHAN_RADAR; - - if (ch->max_power_avg > priv->max_channel_txpower_limit) - priv->max_channel_txpower_limit = - ch->max_power_avg; - } else { - geo_ch->flags |= IEEE80211_CHAN_DISABLED; - } - - /* Save flags for reg domain usage */ - geo_ch->orig_flags = geo_ch->flags; - - IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0%X\n", - ch->channel, geo_ch->center_freq, - is_channel_a_band(ch) ? "5.2" : "2.4", - geo_ch->flags & IEEE80211_CHAN_DISABLED ? - "restricted" : "valid", - geo_ch->flags); - } - - if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && - priv->cfg->sku & IWL_SKU_A) { - IWL_INFO(priv, "Incorrectly detected BG card as ABG. " - "Please send your PCI ID 0x%04X:0x%04X to maintainer.\n", - priv->pci_dev->device, priv->pci_dev->subsystem_device); - priv->cfg->sku &= ~IWL_SKU_A; - } - - IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", - priv->bands[IEEE80211_BAND_2GHZ].n_channels, - priv->bands[IEEE80211_BAND_5GHZ].n_channels); - - 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]; - - set_bit(STATUS_GEO_CONFIGURED, &priv->status); - - return 0; -} - -/* - * iwl3945_free_geos - undo allocations in iwl3945_init_geos - */ -static void iwl3945_free_geos(struct iwl_priv *priv) -{ - kfree(priv->ieee_channels); - kfree(priv->ieee_rates); - clear_bit(STATUS_GEO_CONFIGURED, &priv->status); -} - /****************************************************************************** * * uCode download functions @@ -5451,6 +4065,7 @@ static void __iwl3945_down(struct iwl_priv *priv) test_bit(STATUS_EXIT_PENDING, &priv->status) << STATUS_EXIT_PENDING; + priv->cfg->ops->lib->apm_ops.reset(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); @@ -5468,9 +4083,10 @@ static void __iwl3945_down(struct iwl_priv *priv) udelay(5); - iwl3945_hw_nic_stop_master(priv); - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - iwl3945_hw_nic_reset(priv); + if (exit_pending || test_bit(STATUS_IN_SUSPEND, &priv->status)) + priv->cfg->ops->lib->apm_ops.stop(priv); + else + priv->cfg->ops->lib->apm_ops.reset(priv); exit: memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp)); @@ -5623,61 +4239,26 @@ static void iwl3945_bg_alive_start(struct work_struct *data) mutex_unlock(&priv->mutex); } -static void iwl3945_bg_rf_kill(struct work_struct *work) -{ - struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill); - - wake_up_interruptible(&priv->wait_command_queue); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - mutex_lock(&priv->mutex); - - if (!iwl_is_rfkill(priv)) { - IWL_DEBUG(IWL_DL_INFO | IWL_DL_RF_KILL, - "HW and/or SW RF Kill no longer active, restarting " - "device\n"); - if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) - queue_work(priv->workqueue, &priv->restart); - } else { - - if (!test_bit(STATUS_RF_KILL_HW, &priv->status)) - IWL_DEBUG_RF_KILL("Can not turn radio back on - " - "disabled by SW switch\n"); - else - IWL_WARN(priv, "Radio Frequency Kill Switch is On:\n" - "Kill switch must be turned off for " - "wireless networking to work.\n"); - } - - mutex_unlock(&priv->mutex); - iwl3945_rfkill_set_hw_state(priv); -} - -#define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) - -static void iwl3945_bg_scan_check(struct work_struct *data) +static void iwl3945_rfkill_poll(struct work_struct *data) { struct iwl_priv *priv = - container_of(data, struct iwl_priv, scan_check.work); + container_of(data, struct iwl_priv, rfkill_poll.work); + unsigned long status = priv->status; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; + if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) + clear_bit(STATUS_RF_KILL_HW, &priv->status); + else + set_bit(STATUS_RF_KILL_HW, &priv->status); - mutex_lock(&priv->mutex); - if (test_bit(STATUS_SCANNING, &priv->status) || - test_bit(STATUS_SCAN_ABORTING, &priv->status)) { - IWL_DEBUG(IWL_DL_INFO | IWL_DL_SCAN, - "Scan completion watchdog resetting adapter (%dms)\n", - jiffies_to_msecs(IWL_SCAN_CHECK_WATCHDOG)); + if (test_bit(STATUS_RF_KILL_HW, &status) != test_bit(STATUS_RF_KILL_HW, &priv->status)) + queue_work(priv->workqueue, &priv->rf_kill); + + queue_delayed_work(priv->workqueue, &priv->rfkill_poll, + round_jiffies_relative(2 * HZ)); - if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) - iwl3945_send_scan_abort(priv); - } - mutex_unlock(&priv->mutex); } +#define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) static void iwl3945_bg_request_scan(struct work_struct *data) { struct iwl_priv *priv = @@ -5742,15 +4323,15 @@ static void iwl3945_bg_request_scan(struct work_struct *data) goto done; } - if (!priv->scan39) { - priv->scan39 = kmalloc(sizeof(struct iwl3945_scan_cmd) + + if (!priv->scan) { + priv->scan = kmalloc(sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE, GFP_KERNEL); - if (!priv->scan39) { + if (!priv->scan) { rc = -ENOMEM; goto done; } } - scan = priv->scan39; + scan = priv->scan; memset(scan, 0, sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE); scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH; @@ -5805,9 +4386,6 @@ static void iwl3945_bg_request_scan(struct work_struct *data) /* We don't build a direct scan probe request; the uCode will do * that based on the direct_mask added to each channel entry */ - scan->tx_cmd.len = cpu_to_le16( - iwl3945_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, - IWL_MAX_SCAN_SIZE - sizeof(*scan))); scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK; scan->tx_cmd.sta_id = priv->hw_params.bcast_sta_id; scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; @@ -5828,6 +4406,11 @@ static void iwl3945_bg_request_scan(struct work_struct *data) goto done; } + scan->tx_cmd.len = cpu_to_le16( + iwl_fill_probe_req(priv, band, + (struct ieee80211_mgmt *)scan->data, + IWL_MAX_SCAN_SIZE - sizeof(*scan))); + /* select Rx antennas */ scan->flags |= iwl3945_get_antenna_flags(priv); @@ -5850,7 +4433,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) scan->len = cpu_to_le16(cmd.len); set_bit(STATUS_SCAN_HW, &priv->status); - rc = iwl3945_send_cmd_sync(priv, &cmd); + rc = iwl_send_cmd_sync(priv, &cmd); if (rc) goto done; @@ -5884,7 +4467,7 @@ static void iwl3945_bg_up(struct work_struct *data) mutex_lock(&priv->mutex); __iwl3945_up(priv); mutex_unlock(&priv->mutex); - iwl3945_rfkill_set_hw_state(priv); + iwl_rfkill_set_hw_state(priv); } static void iwl3945_bg_restart(struct work_struct *data) @@ -5933,7 +4516,7 @@ static void iwl3945_post_associate(struct iwl_priv *priv) if (!priv->vif || !priv->is_open) return; - iwl3945_scan_cancel_timeout(priv, 200); + iwl_scan_cancel_timeout(priv, 200); conf = ieee80211_get_hw_conf(priv->hw); @@ -5942,7 +4525,7 @@ static void iwl3945_post_associate(struct iwl_priv *priv) memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd)); iwl3945_setup_rxon_timing(priv); - rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON_TIMING, + rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, sizeof(priv->rxon_timing), &priv->rxon_timing); if (rc) IWL_WARN(priv, "REPLY_RXON_TIMING failed - " @@ -6003,45 +4586,8 @@ static void iwl3945_post_associate(struct iwl_priv *priv) priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN; } -static void iwl3945_bg_abort_scan(struct work_struct *work) -{ - struct iwl_priv *priv = container_of(work, struct iwl_priv, abort_scan); - - if (!iwl_is_ready(priv)) - return; - - mutex_lock(&priv->mutex); - - set_bit(STATUS_SCAN_ABORTING, &priv->status); - iwl3945_send_scan_abort(priv); - - mutex_unlock(&priv->mutex); -} - static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed); -static void iwl3945_bg_scan_completed(struct work_struct *work) -{ - struct iwl_priv *priv = - container_of(work, struct iwl_priv, scan_completed); - - IWL_DEBUG(IWL_DL_INFO | IWL_DL_SCAN, "SCAN complete scan\n"); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - if (test_bit(STATUS_CONF_PENDING, &priv->status)) - iwl3945_mac_config(priv->hw, 0); - - ieee80211_scan_completed(priv->hw); - - /* Since setting the TXPOWER may have been deferred while - * performing the scan, fire one off */ - mutex_lock(&priv->mutex); - iwl3945_hw_reg_send_txpower(priv); - mutex_unlock(&priv->mutex); -} - /***************************************************************************** * * mac80211 entry point functions @@ -6057,20 +4603,6 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw) IWL_DEBUG_MAC80211("enter\n"); - if (pci_enable_device(priv->pci_dev)) { - IWL_ERR(priv, "Fail to pci_enable_device\n"); - return -ENODEV; - } - pci_restore_state(priv->pci_dev); - pci_enable_msi(priv->pci_dev); - - ret = request_irq(priv->pci_dev->irq, iwl3945_isr, IRQF_SHARED, - DRV_NAME, priv); - if (ret) { - IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq); - goto out_disable_msi; - } - /* we should be verifying the device is ready to be opened */ mutex_lock(&priv->mutex); @@ -6091,7 +4623,7 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw) mutex_unlock(&priv->mutex); - iwl3945_rfkill_set_hw_state(priv); + iwl_rfkill_set_hw_state(priv); if (ret) goto out_release_irq; @@ -6116,15 +4648,15 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw) } } + /* ucode is running and will send rfkill notifications, + * no need to poll the killswitch state anymore */ + cancel_delayed_work(&priv->rfkill_poll); + priv->is_open = 1; IWL_DEBUG_MAC80211("leave\n"); return 0; out_release_irq: - free_irq(priv->pci_dev->irq, priv); -out_disable_msi: - pci_disable_msi(priv->pci_dev); - pci_disable_device(priv->pci_dev); priv->is_open = 0; IWL_DEBUG_MAC80211("leave - failed\n"); return ret; @@ -6148,17 +4680,17 @@ static void iwl3945_mac_stop(struct ieee80211_hw *hw) * RXON_FILTER_ASSOC_MSK BIT */ mutex_lock(&priv->mutex); - iwl3945_scan_cancel_timeout(priv, 100); + iwl_scan_cancel_timeout(priv, 100); mutex_unlock(&priv->mutex); } iwl3945_down(priv); flush_workqueue(priv->workqueue); - free_irq(priv->pci_dev->irq, priv); - pci_disable_msi(priv->pci_dev); - pci_save_state(priv->pci_dev); - pci_disable_device(priv->pci_dev); + + /* start polling the killswitch state again */ + queue_delayed_work(priv->workqueue, &priv->rfkill_poll, + round_jiffies_relative(2 * HZ)); IWL_DEBUG_MAC80211("leave\n"); } @@ -6248,8 +4780,8 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed) spin_lock_irqsave(&priv->lock, flags); - ch_info = iwl3945_get_channel_info(priv, conf->channel->band, - conf->channel->hw_value); + ch_info = iwl_get_channel_info(priv, conf->channel->band, + conf->channel->hw_value); if (!is_channel_valid(ch_info)) { IWL_DEBUG_SCAN("Channel %d [%d] is INVALID for this band.\n", conf->channel->hw_value, conf->channel->band); @@ -6323,8 +4855,9 @@ static void iwl3945_config_ap(struct iwl_priv *priv) /* RXON Timing */ memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd)); iwl3945_setup_rxon_timing(priv); - rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON_TIMING, - sizeof(priv->rxon_timing), &priv->rxon_timing); + rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, + sizeof(priv->rxon_timing), + &priv->rxon_timing); if (rc) IWL_WARN(priv, "REPLY_RXON_TIMING failed - " "Attempting to continue.\n"); @@ -6426,7 +4959,7 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, !is_multicast_ether_addr(conf->bssid)) { /* If there is currently a HW scan going on in the background * then we need to cancel it else the RXON below will fail. */ - if (iwl3945_scan_cancel_timeout(priv, 100)) { + if (iwl_scan_cancel_timeout(priv, 100)) { IWL_WARN(priv, "Aborted scan still in progress " "after 100ms\n"); IWL_DEBUG_MAC80211("leaving - scan abort failed.\n"); @@ -6451,7 +4984,7 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, } } else { - iwl3945_scan_cancel_timeout(priv, 100); + iwl_scan_cancel_timeout(priv, 100); priv->staging39_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; iwl3945_commit_rxon(priv); } @@ -6519,7 +5052,7 @@ static void iwl3945_mac_remove_interface(struct ieee80211_hw *hw, mutex_lock(&priv->mutex); if (iwl_is_ready_rf(priv)) { - iwl3945_scan_cancel_timeout(priv, 100); + iwl_scan_cancel_timeout(priv, 100); priv->staging39_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; iwl3945_commit_rxon(priv); } @@ -6571,6 +5104,7 @@ static void iwl3945_bss_info_changed(struct ieee80211_hw *hw, priv->beacon_int = bss_conf->beacon_int; priv->timestamp = bss_conf->timestamp; priv->assoc_capability = bss_conf->assoc_capability; + priv->power_data.dtim_period = bss_conf->dtim_period; priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN_AFTER_ASSOC; mutex_lock(&priv->mutex); @@ -6641,11 +5175,13 @@ out_unlock: } static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - const u8 *local_addr, const u8 *addr, - struct ieee80211_key_conf *key) + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) { struct iwl_priv *priv = hw->priv; - int rc = 0; + const u8 *addr; + int ret; u8 sta_id; IWL_DEBUG_MAC80211("enter\n"); @@ -6655,10 +5191,7 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -EOPNOTSUPP; } - if (is_zero_ether_addr(addr)) - /* only support pairwise keys */ - return -EOPNOTSUPP; - + addr = sta ? sta->addr : iwl_bcast_addr; sta_id = iwl3945_hw_find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_MAC80211("leave - %pM not in station map.\n", @@ -6668,12 +5201,12 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, mutex_lock(&priv->mutex); - iwl3945_scan_cancel_timeout(priv, 100); + iwl_scan_cancel_timeout(priv, 100); switch (cmd) { case SET_KEY: - rc = iwl3945_update_sta_key_info(priv, key, sta_id); - if (!rc) { + ret = iwl3945_update_sta_key_info(priv, key, sta_id); + if (!ret) { iwl3945_set_rxon_hwcrypto(priv, 1); iwl3945_commit_rxon(priv); key->hw_key_idx = sta_id; @@ -6682,21 +5215,21 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, } break; case DISABLE_KEY: - rc = iwl3945_clear_sta_key_info(priv, sta_id); - if (!rc) { + ret = iwl3945_clear_sta_key_info(priv, sta_id); + if (!ret) { iwl3945_set_rxon_hwcrypto(priv, 0); iwl3945_commit_rxon(priv); IWL_DEBUG_MAC80211("disable hwcrypto key\n"); } break; default: - rc = -EINVAL; + ret = -EINVAL; } IWL_DEBUG_MAC80211("leave\n"); mutex_unlock(&priv->mutex); - return rc; + return ret; } static int iwl3945_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, @@ -6750,7 +5283,7 @@ static int iwl3945_mac_get_tx_stats(struct ieee80211_hw *hw, { struct iwl_priv *priv = hw->priv; int i, avail; - struct iwl3945_tx_queue *txq; + struct iwl_tx_queue *txq; struct iwl_queue *q; unsigned long flags; @@ -6764,7 +5297,7 @@ static int iwl3945_mac_get_tx_stats(struct ieee80211_hw *hw, spin_lock_irqsave(&priv->lock, flags); for (i = 0; i < AC_NUM; i++) { - txq = &priv->txq39[i]; + txq = &priv->txq[i]; q = &txq->q; avail = iwl_queue_space(q); @@ -6793,7 +5326,6 @@ static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw) spin_lock_irqsave(&priv->lock, flags); priv->assoc_id = 0; priv->assoc_capability = 0; - priv->call_post_assoc_from_beacon = 0; /* new association get rid of ibss beacon skb */ if (priv->ibss_beacon) @@ -6818,7 +5350,7 @@ static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw) * clear RXON_FILTER_ASSOC_MSK bit */ if (priv->iw_mode != NL80211_IFTYPE_AP) { - iwl3945_scan_cancel_timeout(priv, 100); + iwl_scan_cancel_timeout(priv, 100); priv->staging39_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; iwl3945_commit_rxon(priv); } @@ -6882,7 +5414,7 @@ static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk * *****************************************************************************/ -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG /* * The following adds a new attribute to the sysfs representation @@ -6918,7 +5450,7 @@ static ssize_t store_debug_level(struct device *d, static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level, store_debug_level); -#endif /* CONFIG_IWL3945_DEBUG */ +#endif /* CONFIG_IWLWIFI_DEBUG */ static ssize_t show_temperature(struct device *d, struct device_attribute *attr, char *buf) @@ -6937,7 +5469,7 @@ static ssize_t show_tx_power(struct device *d, struct device_attribute *attr, char *buf) { struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; - return sprintf(buf, "%d\n", priv->user_txpower_limit); + return sprintf(buf, "%d\n", priv->tx_power_user_lmt); } static ssize_t store_tx_power(struct device *d, @@ -6977,7 +5509,7 @@ static ssize_t store_flags(struct device *d, mutex_lock(&priv->mutex); if (le32_to_cpu(priv->staging39_rxon.flags) != flags) { /* Cancel any currently running scans... */ - if (iwl3945_scan_cancel_timeout(priv, 100)) + if (iwl_scan_cancel_timeout(priv, 100)) IWL_WARN(priv, "Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n", @@ -7012,7 +5544,7 @@ static ssize_t store_filter_flags(struct device *d, mutex_lock(&priv->mutex); if (le32_to_cpu(priv->staging39_rxon.filter_flags) != filter_flags) { /* Cancel any currently running scans... */ - if (iwl3945_scan_cancel_timeout(priv, 100)) + if (iwl_scan_cancel_timeout(priv, 100)) IWL_WARN(priv, "Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing rxon.filter_flags = " @@ -7356,14 +5888,15 @@ static void iwl3945_setup_deferred_work(struct iwl_priv *priv) INIT_WORK(&priv->up, iwl3945_bg_up); INIT_WORK(&priv->restart, iwl3945_bg_restart); INIT_WORK(&priv->rx_replenish, iwl3945_bg_rx_replenish); - INIT_WORK(&priv->scan_completed, iwl3945_bg_scan_completed); - INIT_WORK(&priv->request_scan, iwl3945_bg_request_scan); - INIT_WORK(&priv->abort_scan, iwl3945_bg_abort_scan); - INIT_WORK(&priv->rf_kill, iwl3945_bg_rf_kill); + INIT_WORK(&priv->rf_kill, iwl_bg_rf_kill); INIT_WORK(&priv->beacon_update, iwl3945_bg_beacon_update); INIT_DELAYED_WORK(&priv->init_alive_start, iwl3945_bg_init_alive_start); INIT_DELAYED_WORK(&priv->alive_start, iwl3945_bg_alive_start); - INIT_DELAYED_WORK(&priv->scan_check, iwl3945_bg_scan_check); + INIT_DELAYED_WORK(&priv->rfkill_poll, iwl3945_rfkill_poll); + INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed); + INIT_WORK(&priv->request_scan, iwl3945_bg_request_scan); + INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan); + INIT_DELAYED_WORK(&priv->scan_check, iwl_bg_scan_check); iwl3945_hw_setup_deferred_work(priv); @@ -7397,7 +5930,7 @@ static struct attribute *iwl3945_sysfs_entries[] = { &dev_attr_status.attr, &dev_attr_temperature.attr, &dev_attr_tx_power.attr, -#ifdef CONFIG_IWL3945_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUG &dev_attr_debug_level.attr, #endif NULL @@ -7425,12 +5958,90 @@ static struct ieee80211_ops iwl3945_hw_ops = { .hw_scan = iwl3945_mac_hw_scan }; +static int iwl3945_init_drv(struct iwl_priv *priv) +{ + int ret; + struct iwl3945_eeprom *eeprom = (struct iwl3945_eeprom *)priv->eeprom; + + priv->retry_rate = 1; + priv->ibss_beacon = NULL; + + spin_lock_init(&priv->lock); + spin_lock_init(&priv->power_data.lock); + spin_lock_init(&priv->sta_lock); + spin_lock_init(&priv->hcmd_lock); + + INIT_LIST_HEAD(&priv->free_frames); + + mutex_init(&priv->mutex); + + /* Clear the driver's (not device's) station table */ + iwl3945_clear_stations_table(priv); + + priv->data_retry_limit = -1; + priv->ieee_channels = NULL; + priv->ieee_rates = NULL; + priv->band = IEEE80211_BAND_2GHZ; + + priv->iw_mode = NL80211_IFTYPE_STATION; + + iwl_reset_qos(priv); + + priv->qos_data.qos_active = 0; + priv->qos_data.qos_cap.val = 0; + + priv->rates_mask = IWL_RATES_MASK; + /* If power management is turned on, default to AC mode */ + priv->power_mode = IWL39_POWER_AC; + priv->tx_power_user_lmt = IWL_DEFAULT_TX_POWER; + + if (eeprom->version < EEPROM_3945_EEPROM_VERSION) { + IWL_WARN(priv, "Unsupported EEPROM version: 0x%04X\n", + eeprom->version); + ret = -EINVAL; + goto err; + } + ret = iwl_init_channel_map(priv); + if (ret) { + IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); + goto err; + } + + /* Set up txpower settings in driver for all channels */ + if (iwl3945_txpower_set_from_eeprom(priv)) { + ret = -EIO; + goto err_free_channel_map; + } + + ret = iwlcore_init_geos(priv); + if (ret) { + IWL_ERR(priv, "initializing geos failed: %d\n", ret); + goto err_free_channel_map; + } + iwl3945_init_hw_rates(priv, priv->ieee_rates); + + 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]; + + return 0; + +err_free_channel_map: + iwl_free_channel_map(priv); +err: + return ret; +} + static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int err = 0; struct iwl_priv *priv; struct ieee80211_hw *hw; struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); + struct iwl3945_eeprom *eeprom; unsigned long flags; /*********************** @@ -7439,19 +6050,14 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e /* mac80211 allocates memory for this device instance, including * space for this driver's private structure */ - hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwl3945_hw_ops); + hw = iwl_alloc_all(cfg, &iwl3945_hw_ops); if (hw == NULL) { printk(KERN_ERR DRV_NAME "Can not allocate network device\n"); err = -ENOMEM; goto out; } - - SET_IEEE80211_DEV(hw, &pdev->dev); - priv = hw->priv; - priv->hw = hw; - priv->pci_dev = pdev; - priv->cfg = cfg; + SET_IEEE80211_DEV(hw, &pdev->dev); if ((iwl3945_mod_params.num_of_queues > IWL39_MAX_NUM_QUEUES) || (iwl3945_mod_params.num_of_queues < IWL_MIN_NUM_QUEUES)) { @@ -7462,23 +6068,29 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e goto out; } - /* Disabling hardware scan means that mac80211 will perform scans - * "the hard way", rather than using device's scan. */ + /* + * Disabling hardware scan means that mac80211 will perform scans + * "the hard way", rather than using device's scan. + */ if (iwl3945_mod_params.disable_hw_scan) { IWL_DEBUG_INFO("Disabling hw_scan\n"); iwl3945_hw_ops.hw_scan = NULL; } + IWL_DEBUG_INFO("*** LOAD DRIVER ***\n"); + priv->cfg = cfg; + priv->pci_dev = pdev; + +#ifdef CONFIG_IWLWIFI_DEBUG + priv->debug_level = iwl3945_mod_params.debug; + atomic_set(&priv->restrict_refcnt, 0); +#endif hw->rate_control_algorithm = "iwl-3945-rs"; hw->sta_data_size = sizeof(struct iwl3945_sta_priv); /* Select antenna (may be helpful if only one antenna is connected) */ priv->antenna = (enum iwl3945_antenna)iwl3945_mod_params.antenna; -#ifdef CONFIG_IWL3945_DEBUG - priv->debug_level = iwl3945_mod_params.debug; - atomic_set(&priv->restrict_refcnt, 0); -#endif /* Tell mac80211 our characteristics */ hw->flags = IEEE80211_HW_SIGNAL_DBM | @@ -7488,7 +6100,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); - hw->wiphy->fw_handles_regulatory = true; + hw->wiphy->custom_regulatory = true; /* 4 EDCA QOS priorities */ hw->queues = 4; @@ -7533,29 +6145,26 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e * PCI Tx retries from interfering with C3 CPU state */ pci_write_config_byte(pdev, 0x41, 0x00); - /* nic init */ - iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, - CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); - - iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - err = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + /* amp init */ + err = priv->cfg->ops->lib->apm_ops.init(priv); if (err < 0) { - IWL_DEBUG_INFO("Failed to init the card\n"); - goto out_remove_sysfs; + IWL_DEBUG_INFO("Failed to init APMG\n"); + goto out_iounmap; } /*********************** * 4. Read EEPROM * ********************/ + /* Read the EEPROM */ - err = iwl3945_eeprom_init(priv); + err = iwl_eeprom_init(priv); if (err) { IWL_ERR(priv, "Unable to init EEPROM\n"); goto out_remove_sysfs; } /* MAC Address location in EEPROM same for 3945/4965 */ - get_eeprom_mac(priv, priv->mac_addr); + eeprom = (struct iwl3945_eeprom *)priv->eeprom; + memcpy(priv->mac_addr, eeprom->mac_address, ETH_ALEN); IWL_DEBUG_INFO("MAC address: %pM\n", priv->mac_addr); SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); @@ -7571,48 +6180,11 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e /*********************** * 6. Setup priv * ********************/ - priv->retry_rate = 1; - priv->ibss_beacon = NULL; - - spin_lock_init(&priv->lock); - spin_lock_init(&priv->power_data_39.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 */ - iwl3945_clear_stations_table(priv); - - priv->data_retry_limit = -1; - priv->ieee_channels = NULL; - priv->ieee_rates = NULL; - priv->band = IEEE80211_BAND_2GHZ; - - priv->iw_mode = NL80211_IFTYPE_STATION; - - iwl_reset_qos(priv); - - priv->qos_data.qos_active = 0; - priv->qos_data.qos_cap.val = 0; - - - priv->rates_mask = IWL_RATES_MASK; - /* If power management is turned on, default to AC mode */ - priv->power_mode = IWL39_POWER_AC; - priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; - - err = iwl3945_init_channel_map(priv); - if (err) { - IWL_ERR(priv, "initializing regulatory failed: %d\n", err); - goto out_release_irq; - } - err = iwl3945_init_geos(priv); + err = iwl3945_init_drv(priv); if (err) { - IWL_ERR(priv, "initializing geos failed: %d\n", err); - goto out_free_channel_map; + IWL_ERR(priv, "initializing driver failed\n"); + goto out_free_geos; } IWL_INFO(priv, "Detected Intel Wireless WiFi Link %s\n", @@ -7638,24 +6210,27 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e iwl3945_disable_interrupts(priv); spin_unlock_irqrestore(&priv->lock, flags); + pci_enable_msi(priv->pci_dev); + + err = request_irq(priv->pci_dev->irq, iwl3945_isr, IRQF_SHARED, + DRV_NAME, priv); + if (err) { + IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq); + goto out_disable_msi; + } + err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group); if (err) { IWL_ERR(priv, "failed to create sysfs device attributes\n"); - goto out_free_geos; + goto out_release_irq; } iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); iwl3945_setup_deferred_work(priv); iwl3945_setup_rx_handlers(priv); - /*********************** - * 9. Conclude - * ********************/ - pci_save_state(pdev); - pci_disable_device(pdev); - /********************************* - * 10. Setup and Register mac80211 + * 9. Setup and Register mac80211 * *******************************/ err = ieee80211_register_hw(priv->hw); @@ -7667,27 +6242,29 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e priv->hw->conf.beacon_int = 100; priv->mac80211_registered = 1; - - err = iwl3945_rfkill_init(priv); + err = iwl_rfkill_init(priv); if (err) IWL_ERR(priv, "Unable to initialize RFKILL system. " "Ignoring error: %d\n", err); + /* Start monitoring the killswitch */ + queue_delayed_work(priv->workqueue, &priv->rfkill_poll, + 2 * HZ); + return 0; out_remove_sysfs: sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); out_free_geos: - iwl3945_free_geos(priv); - out_free_channel_map: - iwl3945_free_channel_map(priv); - + iwlcore_free_geos(priv); out_release_irq: + free_irq(priv->pci_dev->irq, priv); destroy_workqueue(priv->workqueue); priv->workqueue = NULL; iwl3945_unset_hw_params(priv); - + out_disable_msi: + pci_disable_msi(priv->pci_dev); out_iounmap: pci_iounmap(pdev, priv->hw_base); out_pci_release_regions: @@ -7713,7 +6290,12 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl3945_down(priv); + if (priv->mac80211_registered) { + ieee80211_unregister_hw(priv->hw); + priv->mac80211_registered = 0; + } else { + iwl3945_down(priv); + } /* make sure we flush any pending irq or * tasklet for the driver @@ -7726,19 +6308,18 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev) sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); - iwl3945_rfkill_unregister(priv); + iwl_rfkill_unregister(priv); + cancel_delayed_work(&priv->rfkill_poll); + iwl3945_dealloc_ucode_pci(priv); if (priv->rxq.bd) - iwl3945_rx_queue_free(priv, &priv->rxq); + iwl_rx_queue_free(priv, &priv->rxq); iwl3945_hw_txq_ctx_free(priv); iwl3945_unset_hw_params(priv); iwl3945_clear_stations_table(priv); - if (priv->mac80211_registered) - ieee80211_unregister_hw(priv->hw); - /*netif_stop_queue(dev); */ flush_workqueue(priv->workqueue); @@ -7748,14 +6329,17 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev) destroy_workqueue(priv->workqueue); priv->workqueue = NULL; + free_irq(pdev->irq, priv); + pci_disable_msi(pdev); + pci_iounmap(pdev, priv->hw_base); pci_release_regions(pdev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); - iwl3945_free_channel_map(priv); - iwl3945_free_geos(priv); - kfree(priv->scan39); + iwl_free_channel_map(priv); + iwlcore_free_geos(priv); + kfree(priv->scan); if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); @@ -7773,7 +6357,8 @@ static int iwl3945_pci_suspend(struct pci_dev *pdev, pm_message_t state) iwl3945_mac_stop(priv->hw); priv->is_open = 1; } - + pci_save_state(pdev); + pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; @@ -7784,6 +6369,8 @@ static int iwl3945_pci_resume(struct pci_dev *pdev) struct iwl_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); + pci_enable_device(pdev); + pci_restore_state(pdev); if (priv->is_open) iwl3945_mac_start(priv->hw); @@ -7794,114 +6381,6 @@ static int iwl3945_pci_resume(struct pci_dev *pdev) #endif /* CONFIG_PM */ -/*************** RFKILL FUNCTIONS **********/ -#ifdef CONFIG_IWL3945_RFKILL -/* software rf-kill from user */ -static int iwl3945_rfkill_soft_rf_kill(void *data, enum rfkill_state state) -{ - struct iwl_priv *priv = data; - int err = 0; - - if (!priv->rfkill) - return 0; - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return 0; - - IWL_DEBUG_RF_KILL("we received soft RFKILL set to state %d\n", state); - mutex_lock(&priv->mutex); - - switch (state) { - case RFKILL_STATE_UNBLOCKED: - if (iwl_is_rfkill_hw(priv)) { - err = -EBUSY; - goto out_unlock; - } - iwl3945_radio_kill_sw(priv, 0); - break; - case RFKILL_STATE_SOFT_BLOCKED: - iwl3945_radio_kill_sw(priv, 1); - break; - default: - IWL_WARN(priv, "received unexpected RFKILL state %d\n", state); - break; - } -out_unlock: - mutex_unlock(&priv->mutex); - - return err; -} - -int iwl3945_rfkill_init(struct iwl_priv *priv) -{ - struct device *device = wiphy_dev(priv->hw->wiphy); - int ret = 0; - - BUG_ON(device == NULL); - - IWL_DEBUG_RF_KILL("Initializing RFKILL.\n"); - priv->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN); - if (!priv->rfkill) { - IWL_ERR(priv, "Unable to allocate rfkill device.\n"); - ret = -ENOMEM; - goto error; - } - - priv->rfkill->name = priv->cfg->name; - priv->rfkill->data = priv; - priv->rfkill->state = RFKILL_STATE_UNBLOCKED; - priv->rfkill->toggle_radio = iwl3945_rfkill_soft_rf_kill; - priv->rfkill->user_claim_unsupported = 1; - - priv->rfkill->dev.class->suspend = NULL; - priv->rfkill->dev.class->resume = NULL; - - ret = rfkill_register(priv->rfkill); - if (ret) { - IWL_ERR(priv, "Unable to register rfkill: %d\n", ret); - goto freed_rfkill; - } - - IWL_DEBUG_RF_KILL("RFKILL initialization complete.\n"); - return ret; - -freed_rfkill: - if (priv->rfkill != NULL) - rfkill_free(priv->rfkill); - priv->rfkill = NULL; - -error: - IWL_DEBUG_RF_KILL("RFKILL initialization complete.\n"); - return ret; -} - -void iwl3945_rfkill_unregister(struct iwl_priv *priv) -{ - if (priv->rfkill) - rfkill_unregister(priv->rfkill); - - priv->rfkill = NULL; -} - -/* set rf-kill to the right state. */ -void iwl3945_rfkill_set_hw_state(struct iwl_priv *priv) -{ - - if (!priv->rfkill) - return; - - if (iwl_is_rfkill_hw(priv)) { - rfkill_force_state(priv->rfkill, RFKILL_STATE_HARD_BLOCKED); - return; - } - - if (!iwl_is_rfkill_sw(priv)) - rfkill_force_state(priv->rfkill, RFKILL_STATE_UNBLOCKED); - else - rfkill_force_state(priv->rfkill, RFKILL_STATE_SOFT_BLOCKED); -} -#endif - /***************************************************************************** * * driver and module entry point @@ -7958,9 +6437,9 @@ module_param_named(antenna, iwl3945_mod_params.antenna, int, 0444); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); module_param_named(disable, iwl3945_mod_params.disable, int, 0444); MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); -module_param_named(hwcrypto, iwl3945_mod_params.sw_crypto, int, 0444); -MODULE_PARM_DESC(hwcrypto, - "using hardware crypto engine (default 0 [software])\n"); +module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, 0444); +MODULE_PARM_DESC(swcrypto, + "using software crypto (default 1 [software])\n"); module_param_named(debug, iwl3945_mod_params.debug, uint, 0444); MODULE_PARM_DESC(debug, "debug output mask"); module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, 0444);