diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 3439 |
1 files changed, 1751 insertions, 1688 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 465da4f67ce7..5ee1ad69898b 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -27,16 +27,6 @@ * *****************************************************************************/ -/* - * NOTE: This file (iwl-base.c) is used to build to multiple hardware targets - * by defining IWL to either 3945 or 4965. The Makefile used when building - * the base targets will create base-3945.o and base-4965.o - * - * The eventual goal is to move as many of the #if IWL / #endif blocks out of - * this file and into the hardware specific implementation files (iwl-XXXX.c) - * and leave only the common (non #ifdef sprinkled) code in this file - */ - #include <linux/kernel.h> #include <linux/module.h> #include <linux/version.h> @@ -56,16 +46,16 @@ #include <asm/div64.h> -#define IWL 3945 - -#include "iwlwifi.h" #include "iwl-3945.h" #include "iwl-helpers.h" -#ifdef CONFIG_IWLWIFI_DEBUG -u32 iwl_debug_level; +#ifdef CONFIG_IWL3945_DEBUG +u32 iwl3945_debug_level; #endif +static int iwl3945_tx_queue_update_write_ptr(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq); + /****************************************************************************** * * module boiler plate @@ -73,13 +63,13 @@ u32 iwl_debug_level; ******************************************************************************/ /* module parameters */ -int iwl_param_disable_hw_scan; -int iwl_param_debug; -int iwl_param_disable; /* def: enable radio */ -int iwl_param_antenna; /* def: 0 = both antennas (use diversity) */ -int iwl_param_hwcrypto; /* def: using software encryption */ -int iwl_param_qos_enable = 1; -int iwl_param_queues_num = IWL_MAX_NUM_QUEUES; +static int iwl3945_param_disable_hw_scan; /* def: 0 = use 3945's h/w scan */ +static int iwl3945_param_debug; /* def: 0 = minimal debug log messages */ +static int iwl3945_param_disable; /* def: 0 = enable radio */ +static int iwl3945_param_antenna; /* def: 0 = both antennas (use diversity) */ +int iwl3945_param_hwcrypto; /* def: 0 = use software encryption */ +static int iwl3945_param_qos_enable = 1; /* def: 1 = use quality of service */ +int iwl3945_param_queues_num = IWL_MAX_NUM_QUEUES; /* def: 8 Tx queues */ /* * module name, copyright, version, etc. @@ -89,19 +79,19 @@ int iwl_param_queues_num = IWL_MAX_NUM_QUEUES; #define DRV_DESCRIPTION \ "Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux" -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG #define VD "d" #else #define VD #endif -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT #define VS "s" #else #define VS #endif -#define IWLWIFI_VERSION "1.1.17k" VD VS +#define IWLWIFI_VERSION "1.2.23k" VD VS #define DRV_COPYRIGHT "Copyright(c) 2003-2007 Intel Corporation" #define DRV_VERSION IWLWIFI_VERSION @@ -116,7 +106,7 @@ MODULE_VERSION(DRV_VERSION); MODULE_AUTHOR(DRV_COPYRIGHT); MODULE_LICENSE("GPL"); -__le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr) +static __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr) { u16 fc = le16_to_cpu(hdr->frame_control); int hdr_len = ieee80211_get_hdrlen(fc); @@ -126,8 +116,8 @@ __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr) return NULL; } -static const struct ieee80211_hw_mode *iwl_get_hw_mode( - struct iwl_priv *priv, int mode) +static const struct ieee80211_hw_mode *iwl3945_get_hw_mode( + struct iwl3945_priv *priv, int mode) { int i; @@ -138,7 +128,7 @@ static const struct ieee80211_hw_mode *iwl_get_hw_mode( return NULL; } -static int iwl_is_empty_essid(const char *essid, int essid_len) +static int iwl3945_is_empty_essid(const char *essid, int essid_len) { /* Single white space is for Linksys APs */ if (essid_len == 1 && essid[0] == ' ') @@ -154,13 +144,13 @@ static int iwl_is_empty_essid(const char *essid, int essid_len) return 1; } -static const char *iwl_escape_essid(const char *essid, u8 essid_len) +static const char *iwl3945_escape_essid(const char *essid, u8 essid_len) { static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; const char *s = essid; char *d = escaped; - if (iwl_is_empty_essid(essid, essid_len)) { + if (iwl3945_is_empty_essid(essid, essid_len)) { memcpy(escaped, "<hidden>", sizeof("<hidden>")); return escaped; } @@ -178,10 +168,10 @@ static const char *iwl_escape_essid(const char *essid, u8 essid_len) return escaped; } -static void iwl_print_hex_dump(int level, void *p, u32 len) +static void iwl3945_print_hex_dump(int level, void *p, u32 len) { -#ifdef CONFIG_IWLWIFI_DEBUG - if (!(iwl_debug_level & level)) +#ifdef CONFIG_IWL3945_DEBUG + if (!(iwl3945_debug_level & level)) return; print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, @@ -194,24 +184,31 @@ static void iwl_print_hex_dump(int level, void *p, u32 len) * * Theory of operation * - * A queue is a circular buffers with 'Read' and 'Write' pointers. - * 2 empty entries always kept in the buffer to protect from overflow. + * 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 IWL operates with six queues, one receive queue in the device's - * sram, one transmit queue for sending commands to the device firmware, - * and four transmit queues for data. + * 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. ***************************************************/ -static int iwl_queue_space(const struct iwl_queue *q) +static int iwl3945_queue_space(const struct iwl3945_queue *q) { - int s = q->last_used - q->first_empty; + int s = q->read_ptr - q->write_ptr; - if (q->last_used > q->first_empty) + if (q->read_ptr > q->write_ptr) s -= q->n_bd; if (s <= 0) @@ -223,42 +220,55 @@ static int iwl_queue_space(const struct iwl_queue *q) return s; } -/* XXX: n_bd must be power-of-two size */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) +/** + * iwl3945_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl3945_queue_inc_wrap(int index, int n_bd) { return ++index & (n_bd - 1); } -/* XXX: n_bd must be power-of-two size */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) +/** + * iwl3945_queue_dec_wrap - increment queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl3945_queue_dec_wrap(int index, int n_bd) { return --index & (n_bd - 1); } -static inline int x2_queue_used(const struct iwl_queue *q, int i) +static inline int x2_queue_used(const struct iwl3945_queue *q, int i) { - return q->first_empty > q->last_used ? - (i >= q->last_used && i < q->first_empty) : - !(i < q->last_used && i >= q->first_empty); + return q->write_ptr > q->read_ptr ? + (i >= q->read_ptr && i < q->write_ptr) : + !(i < q->read_ptr && i >= q->write_ptr); } -static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) +static inline u8 get_cmd_index(struct iwl3945_queue *q, u32 index, int is_huge) { + /* This is for scan command, the big buffer at end of command array */ if (is_huge) - return q->n_window; + return q->n_window; /* must be power of 2 */ + /* Otherwise, use normal size buffers */ return index & (q->n_window - 1); } -static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, +/** + * iwl3945_queue_init - Initialize queue's high/low-water and read/write indexes + */ +static int iwl3945_queue_init(struct iwl3945_priv *priv, struct iwl3945_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. */ + /* count must be power-of-two size, otherwise iwl3945_queue_inc_wrap + * and iwl3945_queue_dec_wrap are broken. */ BUG_ON(!is_power_of_2(count)); /* slots_num must be power-of-two size, otherwise @@ -273,27 +283,34 @@ static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, if (q->high_mark < 2) q->high_mark = 2; - q->first_empty = q->last_used = 0; + q->write_ptr = q->read_ptr = 0; return 0; } -static int iwl_tx_queue_alloc(struct iwl_priv *priv, - struct iwl_tx_queue *txq, u32 id) +/** + * iwl3945_tx_queue_alloc - Alloc driver data and TFD CB for one Tx/cmd queue + */ +static int iwl3945_tx_queue_alloc(struct iwl3945_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_ERROR("kmalloc for auxilary BD " + IWL_ERROR("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); @@ -316,24 +333,33 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv, return -ENOMEM; } -int iwl_tx_queue_init(struct iwl_priv *priv, - struct iwl_tx_queue *txq, int slots_num, u32 txq_id) +/** + * iwl3945_tx_queue_init - Allocate and initialize one tx/cmd queue + */ +int iwl3945_tx_queue_init(struct iwl3945_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; - /* alocate command space + one big command for scan since scan - * command is very huge the system will not have two scan at the - * same time */ - len = sizeof(struct iwl_cmd) * slots_num; + /* + * 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 iwl3945_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; - rc = iwl_tx_queue_alloc(priv, txq, txq_id); + /* 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); @@ -342,26 +368,29 @@ int iwl_tx_queue_init(struct iwl_priv *priv, 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. */ + * iwl3945_queue_inc_wrap and iwl3945_queue_dec_wrap are broken. */ BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); - iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); - iwl_hw_tx_queue_init(priv, txq); + /* 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; } /** - * iwl_tx_queue_free - Deallocate DMA queue. + * iwl3945_tx_queue_free - Deallocate DMA queue. * @txq: Transmit queue to deallocate. * * Empty queue by removing and destroying all BD's. - * Free all buffers. txq itself is not freed. - * + * Free all buffers. + * 0-fill, but do not free "txq" descriptor structure. */ -void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq) +void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq) { - struct iwl_queue *q = &txq->q; + struct iwl3945_queue *q = &txq->q; struct pci_dev *dev = priv->pci_dev; int len; @@ -369,44 +398,47 @@ void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq) return; /* first, empty all BD's */ - for (; q->first_empty != q->last_used; - q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd)) - iwl_hw_txq_free_tfd(priv, txq); + for (; q->write_ptr != q->read_ptr; + q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd)) + iwl3945_hw_txq_free_tfd(priv, txq); - len = sizeof(struct iwl_cmd) * q->n_window; + len = sizeof(struct iwl3945_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); - /* free buffers belonging to queue itself */ + /* De-alloc circular buffer of TFDs */ if (txq->q.n_bd) - pci_free_consistent(dev, sizeof(struct iwl_tfd_frame) * + 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 */ if (txq->txb) { kfree(txq->txb); txq->txb = NULL; } - /* 0 fill whole structure */ + /* 0-fill queue descriptor structure */ memset(txq, 0, sizeof(*txq)); } -const u8 BROADCAST_ADDR[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; +const u8 iwl3945_broadcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; /*************** STATION TABLE MANAGEMENT **** - * - * NOTE: This needs to be overhauled to better synchronize between - * how the iwl-4965.c is using iwl_hw_find_station vs. iwl-3945.c - * - * mac80211 should also be examined to determine if sta_info is duplicating + * mac80211 should be examined to determine if sta_info is duplicating * the functionality provided here */ /**************************************************************/ -#if 0 /* temparary disable till we add real remove station */ -static u8 iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap) +#if 0 /* temporary disable till we add real remove station */ +/** + * iwl3945_remove_station - Remove driver's knowledge of station. + * + * NOTE: This does not remove station from device's station table. + */ +static u8 iwl3945_remove_station(struct iwl3945_priv *priv, const u8 *addr, int is_ap) { int index = IWL_INVALID_STATION; int i; @@ -442,7 +474,13 @@ out: return 0; } #endif -static void iwl_clear_stations_table(struct iwl_priv *priv) + +/** + * iwl3945_clear_stations_table - Clear the driver's station table + * + * NOTE: This does not clear or otherwise alter the device's station table. + */ +static void iwl3945_clear_stations_table(struct iwl3945_priv *priv) { unsigned long flags; @@ -454,12 +492,14 @@ static void iwl_clear_stations_table(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->sta_lock, flags); } - -u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap, u8 flags) +/** + * iwl3945_add_station - Add station to station tables in driver and device + */ +u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *addr, int is_ap, u8 flags) { int i; int index = IWL_INVALID_STATION; - struct iwl_station_entry *station; + struct iwl3945_station_entry *station; unsigned long flags_spin; DECLARE_MAC_BUF(mac); u8 rate; @@ -482,7 +522,7 @@ u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap, u8 flags) index = i; } - /* These twh conditions has the same outcome but keep them separate + /* These two conditions has the same outcome but keep them separate since they have different meaning */ if (unlikely(index == IWL_INVALID_STATION)) { spin_unlock_irqrestore(&priv->sta_lock, flags_spin); @@ -500,30 +540,35 @@ u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap, u8 flags) station->used = 1; priv->num_stations++; - memset(&station->sta, 0, sizeof(struct iwl_addsta_cmd)); + /* Set up the REPLY_ADD_STA command to send to device */ + memset(&station->sta, 0, sizeof(struct iwl3945_addsta_cmd)); memcpy(station->sta.sta.addr, addr, ETH_ALEN); station->sta.mode = 0; station->sta.sta.sta_id = index; station->sta.station_flags = 0; - rate = (priv->phymode == MODE_IEEE80211A) ? IWL_RATE_6M_PLCP : - IWL_RATE_1M_PLCP | priv->hw_setting.cck_flag; + if (priv->phymode == MODE_IEEE80211A) + rate = IWL_RATE_6M_PLCP; + else + rate = IWL_RATE_1M_PLCP; /* Turn on both antennas for the station... */ station->sta.rate_n_flags = - iwl_hw_set_rate_n_flags(rate, RATE_MCS_ANT_AB_MSK); + iwl3945_hw_set_rate_n_flags(rate, RATE_MCS_ANT_AB_MSK); station->current_rate.rate_n_flags = le16_to_cpu(station->sta.rate_n_flags); spin_unlock_irqrestore(&priv->sta_lock, flags_spin); - iwl_send_add_station(priv, &station->sta, flags); + + /* Add station to device's station table */ + iwl3945_send_add_station(priv, &station->sta, flags); return index; } /*************** DRIVER STATUS FUNCTIONS *****/ -static inline int iwl_is_ready(struct iwl_priv *priv) +static inline int iwl3945_is_ready(struct iwl3945_priv *priv) { /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are * set but EXIT_PENDING is not */ @@ -532,29 +577,29 @@ static inline int iwl_is_ready(struct iwl_priv *priv) !test_bit(STATUS_EXIT_PENDING, &priv->status); } -static inline int iwl_is_alive(struct iwl_priv *priv) +static inline int iwl3945_is_alive(struct iwl3945_priv *priv) { return test_bit(STATUS_ALIVE, &priv->status); } -static inline int iwl_is_init(struct iwl_priv *priv) +static inline int iwl3945_is_init(struct iwl3945_priv *priv) { return test_bit(STATUS_INIT, &priv->status); } -static inline int iwl_is_rfkill(struct iwl_priv *priv) +static inline int iwl3945_is_rfkill(struct iwl3945_priv *priv) { return test_bit(STATUS_RF_KILL_HW, &priv->status) || test_bit(STATUS_RF_KILL_SW, &priv->status); } -static inline int iwl_is_ready_rf(struct iwl_priv *priv) +static inline int iwl3945_is_ready_rf(struct iwl3945_priv *priv) { - if (iwl_is_rfkill(priv)) + if (iwl3945_is_rfkill(priv)) return 0; - return iwl_is_ready(priv); + return iwl3945_is_ready(priv); } /*************** HOST COMMAND QUEUE FUNCTIONS *****/ @@ -613,7 +658,7 @@ static const char *get_cmd_string(u8 cmd) #define HOST_COMPLETE_TIMEOUT (HZ / 2) /** - * iwl_enqueue_hcmd - enqueue a uCode command + * iwl3945_enqueue_hcmd - enqueue a uCode command * @priv: device private data point * @cmd: a point to the ucode command structure * @@ -621,13 +666,13 @@ static const char *get_cmd_string(u8 cmd) * failed. On success, it turns the index (> 0) of command in the * command queue. */ -static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { - struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; - struct iwl_queue *q = &txq->q; - struct iwl_tfd_frame *tfd; + struct iwl3945_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; + struct iwl3945_queue *q = &txq->q; + struct iwl3945_tfd_frame *tfd; u32 *control_flags; - struct iwl_cmd *out_cmd; + struct iwl3945_cmd *out_cmd; u32 idx; u16 fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr)); dma_addr_t phys_addr; @@ -642,19 +687,19 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->meta.flags & CMD_SIZE_HUGE)); - if (iwl_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { + if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERROR("No space for Tx\n"); return -ENOSPC; } spin_lock_irqsave(&priv->hcmd_lock, flags); - tfd = &txq->bd[q->first_empty]; + tfd = &txq->bd[q->write_ptr]; memset(tfd, 0, sizeof(*tfd)); control_flags = (u32 *) tfd; - idx = get_cmd_index(q, q->first_empty, cmd->meta.flags & CMD_SIZE_HUGE); + 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; @@ -666,13 +711,13 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) out_cmd->hdr.flags = 0; out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) | - INDEX_TO_SEQ(q->first_empty)); + INDEX_TO_SEQ(q->write_ptr)); if (out_cmd->meta.flags & CMD_SIZE_HUGE) out_cmd->hdr.sequence |= cpu_to_le16(SEQ_HUGE_FRAME); phys_addr = txq->dma_addr_cmd + sizeof(txq->cmd[0]) * idx + - offsetof(struct iwl_cmd, hdr); - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, fix_size); + offsetof(struct iwl3945_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); @@ -682,17 +727,19 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) "%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->first_empty, idx, IWL_CMD_QUEUE_NUM); + fix_size, q->write_ptr, idx, IWL_CMD_QUEUE_NUM); txq->need_update = 1; - q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd); - ret = iwl_tx_queue_update_write_ptr(priv, txq); + + /* Increment and update queue's write index */ + q->write_ptr = iwl3945_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; } -int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl3945_send_cmd_async(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { int ret; @@ -707,16 +754,16 @@ int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EBUSY; - ret = iwl_enqueue_hcmd(priv, cmd); + ret = iwl3945_enqueue_hcmd(priv, cmd); if (ret < 0) { - IWL_ERROR("Error sending %s: iwl_enqueue_hcmd failed: %d\n", + IWL_ERROR("Error sending %s: iwl3945_enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } return 0; } -int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl3945_send_cmd_sync(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { int cmd_idx; int ret; @@ -738,10 +785,10 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) if (cmd->meta.flags & CMD_WANT_SKB) cmd->meta.source = &cmd->meta; - cmd_idx = iwl_enqueue_hcmd(priv, cmd); + cmd_idx = iwl3945_enqueue_hcmd(priv, cmd); if (cmd_idx < 0) { ret = cmd_idx; - IWL_ERROR("Error sending %s: iwl_enqueue_hcmd failed: %d\n", + IWL_ERROR("Error sending %s: iwl3945_enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); goto out; } @@ -785,7 +832,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) cancel: if (cmd->meta.flags & CMD_WANT_SKB) { - struct iwl_cmd *qcmd; + struct iwl3945_cmd *qcmd; /* Cancel the CMD_WANT_SKB flag for the cmd in the * TX cmd queue. Otherwise in case the cmd comes @@ -804,47 +851,43 @@ out: return ret; } -int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +int iwl3945_send_cmd(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { - /* A command can not be asynchronous AND expect an SKB to be set. */ - BUG_ON((cmd->meta.flags & CMD_ASYNC) && - (cmd->meta.flags & CMD_WANT_SKB)); - if (cmd->meta.flags & CMD_ASYNC) - return iwl_send_cmd_async(priv, cmd); + return iwl3945_send_cmd_async(priv, cmd); - return iwl_send_cmd_sync(priv, cmd); + return iwl3945_send_cmd_sync(priv, cmd); } -int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data) +int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len, const void *data) { - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = id, .len = len, .data = data, }; - return iwl_send_cmd_sync(priv, &cmd); + return iwl3945_send_cmd_sync(priv, &cmd); } -static int __must_check iwl_send_cmd_u32(struct iwl_priv *priv, u8 id, u32 val) +static int __must_check iwl3945_send_cmd_u32(struct iwl3945_priv *priv, u8 id, u32 val) { - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = id, .len = sizeof(val), .data = &val, }; - return iwl_send_cmd_sync(priv, &cmd); + return iwl3945_send_cmd_sync(priv, &cmd); } -int iwl_send_statistics_request(struct iwl_priv *priv) +int iwl3945_send_statistics_request(struct iwl3945_priv *priv) { - return iwl_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); + return iwl3945_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); } /** - * iwl_set_rxon_channel - Set the phymode and channel values in staging RXON + * iwl3945_set_rxon_channel - Set the phymode and channel values in staging RXON * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz * @channel: Any channel valid for the requested phymode @@ -853,9 +896,9 @@ int iwl_send_statistics_request(struct iwl_priv *priv) * NOTE: Does not commit to the hardware; it sets appropriate bit fields * in the staging RXON flag structure based on the phymode */ -static int iwl_set_rxon_channel(struct iwl_priv *priv, u8 phymode, u16 channel) +static int iwl3945_set_rxon_channel(struct iwl3945_priv *priv, u8 phymode, u16 channel) { - if (!iwl_get_channel_info(priv, phymode, channel)) { + if (!iwl3945_get_channel_info(priv, phymode, channel)) { IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", channel, phymode); return -EINVAL; @@ -879,13 +922,13 @@ static int iwl_set_rxon_channel(struct iwl_priv *priv, u8 phymode, u16 channel) } /** - * iwl_check_rxon_cmd - validate RXON structure is valid + * iwl3945_check_rxon_cmd - validate RXON structure is valid * * NOTE: This is really only useful during development and can eventually * be #ifdef'd out once the driver is stable and folks aren't actively * making changes */ -static int iwl_check_rxon_cmd(struct iwl_rxon_cmd *rxon) +static int iwl3945_check_rxon_cmd(struct iwl3945_rxon_cmd *rxon) { int error = 0; int counter = 1; @@ -951,21 +994,21 @@ static int iwl_check_rxon_cmd(struct iwl_rxon_cmd *rxon) le16_to_cpu(rxon->channel)); if (error) { - IWL_ERROR("Not a valid iwl_rxon_assoc_cmd field values\n"); + IWL_ERROR("Not a valid iwl3945_rxon_assoc_cmd field values\n"); return -1; } return 0; } /** - * iwl_full_rxon_required - determine if RXON_ASSOC can be used in RXON commit - * @priv: staging_rxon is comapred to active_rxon + * iwl3945_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed + * @priv: staging_rxon is compared to active_rxon * - * If the RXON structure is changing sufficient to require a new - * tune or to clear and reset the RXON_FILTER_ASSOC_MSK then return 1 - * to indicate a new tune is required. + * If the RXON structure is changing enough to require a new tune, + * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that + * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required. */ -static int iwl_full_rxon_required(struct iwl_priv *priv) +static int iwl3945_full_rxon_required(struct iwl3945_priv *priv) { /* These items are only settable from the full RXON command */ @@ -1000,19 +1043,19 @@ static int iwl_full_rxon_required(struct iwl_priv *priv) return 0; } -static int iwl_send_rxon_assoc(struct iwl_priv *priv) +static int iwl3945_send_rxon_assoc(struct iwl3945_priv *priv) { int rc = 0; - struct iwl_rx_packet *res = NULL; - struct iwl_rxon_assoc_cmd rxon_assoc; - struct iwl_host_cmd cmd = { + struct iwl3945_rx_packet *res = NULL; + struct iwl3945_rxon_assoc_cmd rxon_assoc; + struct iwl3945_host_cmd cmd = { .id = REPLY_RXON_ASSOC, .len = sizeof(rxon_assoc), .meta.flags = CMD_WANT_SKB, .data = &rxon_assoc, }; - const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon; - const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon; + const struct iwl3945_rxon_cmd *rxon1 = &priv->staging_rxon; + const struct iwl3945_rxon_cmd *rxon2 = &priv->active_rxon; if ((rxon1->flags == rxon2->flags) && (rxon1->filter_flags == rxon2->filter_flags) && @@ -1028,11 +1071,11 @@ static int iwl_send_rxon_assoc(struct iwl_priv *priv) rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates; rxon_assoc.reserved = 0; - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_RXON_ASSOC command\n"); rc = -EIO; @@ -1045,21 +1088,21 @@ static int iwl_send_rxon_assoc(struct iwl_priv *priv) } /** - * iwl_commit_rxon - commit staging_rxon to hardware + * iwl3945_commit_rxon - commit staging_rxon to hardware * - * The RXON command in staging_rxon is commited to the hardware and + * The RXON command in staging_rxon is committed to the hardware and * the active_rxon structure is updated with the new data. This * function correctly transitions out of the RXON_ASSOC_MSK state if * a HW tune is required based on the RXON structure changes. */ -static int iwl_commit_rxon(struct iwl_priv *priv) +static int iwl3945_commit_rxon(struct iwl3945_priv *priv) { /* cast away the const for active_rxon in this function */ - struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon; + struct iwl3945_rxon_cmd *active_rxon = (void *)&priv->active_rxon; int rc = 0; DECLARE_MAC_BUF(mac); - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -1; /* always get timestamp with Rx frame */ @@ -1070,17 +1113,17 @@ static int iwl_commit_rxon(struct iwl_priv *priv) ~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK); priv->staging_rxon.flags |= iwl3945_get_antenna_flags(priv); - rc = iwl_check_rxon_cmd(&priv->staging_rxon); + rc = iwl3945_check_rxon_cmd(&priv->staging_rxon); if (rc) { IWL_ERROR("Invalid RXON configuration. Not committing.\n"); return -EINVAL; } /* If we don't need to send a full RXON, we can use - * iwl_rxon_assoc_cmd which is used to reconfigure filter + * iwl3945_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ - if (!iwl_full_rxon_required(priv)) { - rc = iwl_send_rxon_assoc(priv); + if (!iwl3945_full_rxon_required(priv)) { + rc = iwl3945_send_rxon_assoc(priv); if (rc) { IWL_ERROR("Error setting RXON_ASSOC " "configuration (%d).\n", rc); @@ -1096,13 +1139,13 @@ static int iwl_commit_rxon(struct iwl_priv *priv) * an RXON_ASSOC and the new config wants the associated mask enabled, * we must clear the associated from the active configuration * before we apply the new config */ - if (iwl_is_associated(priv) && + if (iwl3945_is_associated(priv) && (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK)) { IWL_DEBUG_INFO("Toggling associated bit on current RXON\n"); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, - sizeof(struct iwl_rxon_cmd), + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl3945_rxon_cmd), &priv->active_rxon); /* If the mask clearing failed then we set @@ -1125,8 +1168,8 @@ static int iwl_commit_rxon(struct iwl_priv *priv) print_mac(mac, priv->staging_rxon.bssid_addr)); /* Apply the new configuration */ - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, - sizeof(struct iwl_rxon_cmd), &priv->staging_rxon); + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl3945_rxon_cmd), &priv->staging_rxon); if (rc) { IWL_ERROR("Error setting new configuration (%d).\n", rc); return rc; @@ -1134,18 +1177,18 @@ static int iwl_commit_rxon(struct iwl_priv *priv) memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(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 = iwl_hw_reg_send_txpower(priv); + rc = iwl3945_hw_reg_send_txpower(priv); if (rc) { IWL_ERROR("Error setting Tx power (%d).\n", rc); return rc; } /* Add the broadcast address so we can send broadcast frames */ - if (iwl_add_station(priv, BROADCAST_ADDR, 0, 0) == + if (iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0) == IWL_INVALID_STATION) { IWL_ERROR("Error adding BROADCAST address for transmit.\n"); return -EIO; @@ -1153,9 +1196,9 @@ static int iwl_commit_rxon(struct iwl_priv *priv) /* If we have set the ASSOC_MSK and we are in BSS mode then * add the IWL_AP_ID to the station rate table */ - if (iwl_is_associated(priv) && + if (iwl3945_is_associated(priv) && (priv->iw_mode == IEEE80211_IF_TYPE_STA)) - if (iwl_add_station(priv, priv->active_rxon.bssid_addr, 1, 0) + if (iwl3945_add_station(priv, priv->active_rxon.bssid_addr, 1, 0) == IWL_INVALID_STATION) { IWL_ERROR("Error adding AP address for transmit.\n"); return -EIO; @@ -1172,9 +1215,9 @@ static int iwl_commit_rxon(struct iwl_priv *priv) return 0; } -static int iwl_send_bt_config(struct iwl_priv *priv) +static int iwl3945_send_bt_config(struct iwl3945_priv *priv) { - struct iwl_bt_cmd bt_cmd = { + struct iwl3945_bt_cmd bt_cmd = { .flags = 3, .lead_time = 0xAA, .max_kill = 1, @@ -1182,15 +1225,15 @@ static int iwl_send_bt_config(struct iwl_priv *priv) .kill_cts_mask = 0, }; - return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, - sizeof(struct iwl_bt_cmd), &bt_cmd); + return iwl3945_send_cmd_pdu(priv, REPLY_BT_CONFIG, + sizeof(struct iwl3945_bt_cmd), &bt_cmd); } -static int iwl_send_scan_abort(struct iwl_priv *priv) +static int iwl3945_send_scan_abort(struct iwl3945_priv *priv) { int rc = 0; - struct iwl_rx_packet *res; - struct iwl_host_cmd cmd = { + struct iwl3945_rx_packet *res; + struct iwl3945_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .meta.flags = CMD_WANT_SKB, }; @@ -1203,13 +1246,13 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) return 0; } - rc = iwl_send_cmd_sync(priv, &cmd); + 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; + res = (struct iwl3945_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 @@ -1227,8 +1270,8 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) return rc; } -static int iwl_card_state_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, +static int iwl3945_card_state_sync_callback(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct sk_buff *skb) { return 1; @@ -1237,16 +1280,16 @@ static int iwl_card_state_sync_callback(struct iwl_priv *priv, /* * CARD_STATE_CMD * - * Use: Sets the internal card state to enable, disable, or halt + * 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 iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) +static int iwl3945_send_card_state(struct iwl3945_priv *priv, u32 flags, u8 meta_flag) { - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = REPLY_CARD_STATE_CMD, .len = sizeof(u32), .data = &flags, @@ -1254,22 +1297,22 @@ static int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) }; if (meta_flag & CMD_ASYNC) - cmd.meta.u.callback = iwl_card_state_sync_callback; + cmd.meta.u.callback = iwl3945_card_state_sync_callback; - return iwl_send_cmd(priv, &cmd); + return iwl3945_send_cmd(priv, &cmd); } -static int iwl_add_sta_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static int iwl3945_add_sta_sync_callback(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct sk_buff *skb) { - struct iwl_rx_packet *res = NULL; + struct iwl3945_rx_packet *res = NULL; if (!skb) { IWL_ERROR("Error: Response NULL in REPLY_ADD_STA.\n"); return 1; } - res = (struct iwl_rx_packet *)skb->data; + res = (struct iwl3945_rx_packet *)skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -1287,29 +1330,29 @@ static int iwl_add_sta_sync_callback(struct iwl_priv *priv, return 1; } -int iwl_send_add_station(struct iwl_priv *priv, - struct iwl_addsta_cmd *sta, u8 flags) +int iwl3945_send_add_station(struct iwl3945_priv *priv, + struct iwl3945_addsta_cmd *sta, u8 flags) { - struct iwl_rx_packet *res = NULL; + struct iwl3945_rx_packet *res = NULL; int rc = 0; - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = REPLY_ADD_STA, - .len = sizeof(struct iwl_addsta_cmd), + .len = sizeof(struct iwl3945_addsta_cmd), .meta.flags = flags, .data = sta, }; if (flags & CMD_ASYNC) - cmd.meta.u.callback = iwl_add_sta_sync_callback; + cmd.meta.u.callback = iwl3945_add_sta_sync_callback; else cmd.meta.flags |= CMD_WANT_SKB; - rc = iwl_send_cmd(priv, &cmd); + rc = iwl3945_send_cmd(priv, &cmd); if (rc || (flags & CMD_ASYNC)) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -1334,7 +1377,7 @@ int iwl_send_add_station(struct iwl_priv *priv, return rc; } -static int iwl_update_sta_key_info(struct iwl_priv *priv, +static int iwl3945_update_sta_key_info(struct iwl3945_priv *priv, struct ieee80211_key_conf *keyconf, u8 sta_id) { @@ -1350,7 +1393,6 @@ static int iwl_update_sta_key_info(struct iwl_priv *priv, break; case ALG_TKIP: case ALG_WEP: - return -EINVAL; default: return -EINVAL; } @@ -1369,28 +1411,28 @@ static int iwl_update_sta_key_info(struct iwl_priv *priv, spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n"); - iwl_send_add_station(priv, &priv->stations[sta_id].sta, 0); + iwl3945_send_add_station(priv, &priv->stations[sta_id].sta, 0); return 0; } -static int iwl_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id) +static int iwl3945_clear_sta_key_info(struct iwl3945_priv *priv, u8 sta_id) { unsigned long flags; spin_lock_irqsave(&priv->sta_lock, flags); - memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl_hw_key)); - memset(&priv->stations[sta_id].sta.key, 0, sizeof(struct iwl_keyinfo)); + memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl3945_hw_key)); + memset(&priv->stations[sta_id].sta.key, 0, sizeof(struct iwl3945_keyinfo)); priv->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO("hwcrypto: clear ucode station key info\n"); - iwl_send_add_station(priv, &priv->stations[sta_id].sta, 0); + iwl3945_send_add_station(priv, &priv->stations[sta_id].sta, 0); return 0; } -static void iwl_clear_free_frames(struct iwl_priv *priv) +static void iwl3945_clear_free_frames(struct iwl3945_priv *priv) { struct list_head *element; @@ -1400,7 +1442,7 @@ static void iwl_clear_free_frames(struct iwl_priv *priv) while (!list_empty(&priv->free_frames)) { element = priv->free_frames.next; list_del(element); - kfree(list_entry(element, struct iwl_frame, list)); + kfree(list_entry(element, struct iwl3945_frame, list)); priv->frames_count--; } @@ -1411,9 +1453,9 @@ static void iwl_clear_free_frames(struct iwl_priv *priv) } } -static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv) +static struct iwl3945_frame *iwl3945_get_free_frame(struct iwl3945_priv *priv) { - struct iwl_frame *frame; + struct iwl3945_frame *frame; struct list_head *element; if (list_empty(&priv->free_frames)) { frame = kzalloc(sizeof(*frame), GFP_KERNEL); @@ -1428,21 +1470,21 @@ static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv) element = priv->free_frames.next; list_del(element); - return list_entry(element, struct iwl_frame, list); + return list_entry(element, struct iwl3945_frame, list); } -static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame) +static void iwl3945_free_frame(struct iwl3945_priv *priv, struct iwl3945_frame *frame) { memset(frame, 0, sizeof(*frame)); list_add(&frame->list, &priv->free_frames); } -unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv, +unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, struct ieee80211_hdr *hdr, const u8 *dest, int left) { - if (!iwl_is_associated(priv) || !priv->ibss_beacon || + if (!iwl3945_is_associated(priv) || !priv->ibss_beacon || ((priv->iw_mode != IEEE80211_IF_TYPE_IBSS) && (priv->iw_mode != IEEE80211_IF_TYPE_AP))) return 0; @@ -1455,37 +1497,27 @@ unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv, return priv->ibss_beacon->len; } -static int iwl_rate_index_from_plcp(int plcp) -{ - int i = 0; - - for (i = 0; i < IWL_RATE_COUNT; i++) - if (iwl_rates[i].plcp == plcp) - return i; - return -1; -} - -static u8 iwl_rate_get_lowest_plcp(int rate_mask) +static u8 iwl3945_rate_get_lowest_plcp(int rate_mask) { u8 i; for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID; - i = iwl_rates[i].next_ieee) { + i = iwl3945_rates[i].next_ieee) { if (rate_mask & (1 << i)) - return iwl_rates[i].plcp; + return iwl3945_rates[i].plcp; } return IWL_RATE_INVALID; } -static int iwl_send_beacon_cmd(struct iwl_priv *priv) +static int iwl3945_send_beacon_cmd(struct iwl3945_priv *priv) { - struct iwl_frame *frame; + struct iwl3945_frame *frame; unsigned int frame_size; int rc; u8 rate; - frame = iwl_get_free_frame(priv); + frame = iwl3945_get_free_frame(priv); if (!frame) { IWL_ERROR("Could not obtain free frame buffer for beacon " @@ -1494,22 +1526,22 @@ static int iwl_send_beacon_cmd(struct iwl_priv *priv) } if (!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)) { - rate = iwl_rate_get_lowest_plcp(priv->active_rate_basic & + rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & 0xFF0); if (rate == IWL_INVALID_RATE) rate = IWL_RATE_6M_PLCP; } else { - rate = iwl_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); + rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); if (rate == IWL_INVALID_RATE) rate = IWL_RATE_1M_PLCP; } - frame_size = iwl_hw_get_beacon_cmd(priv, frame, rate); + frame_size = iwl3945_hw_get_beacon_cmd(priv, frame, rate); - rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, + rc = iwl3945_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, &frame->u.cmd[0]); - iwl_free_frame(priv, frame); + iwl3945_free_frame(priv, frame); return rc; } @@ -1520,22 +1552,36 @@ static int iwl_send_beacon_cmd(struct iwl_priv *priv) * ******************************************************************************/ -static void get_eeprom_mac(struct iwl_priv *priv, u8 *mac) +static void get_eeprom_mac(struct iwl3945_priv *priv, u8 *mac) { memcpy(mac, priv->eeprom.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 iwl3945_priv *priv) +{ + _iwl3945_clear_bit(priv, CSR_EEPROM_GP, CSR_EEPROM_GP_IF_OWNER_MSK); + return 0; +} + /** - * iwl_eeprom_init - read EEPROM contents + * iwl3945_eeprom_init - read EEPROM contents * - * Load the EEPROM from adapter into priv->eeprom + * Load the EEPROM contents from adapter into priv->eeprom * * NOTE: This routine uses the non-debug IO access functions. */ -int iwl_eeprom_init(struct iwl_priv *priv) +int iwl3945_eeprom_init(struct iwl3945_priv *priv) { - u16 *e = (u16 *)&priv->eeprom; - u32 gp = iwl_read32(priv, CSR_EEPROM_GP); + __le16 *e = (__le16 *)&priv->eeprom; + u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP); u32 r; int sz = sizeof(priv->eeprom); int rc; @@ -1553,20 +1599,21 @@ int iwl_eeprom_init(struct iwl_priv *priv) return -ENOENT; } - rc = iwl_eeprom_aqcuire_semaphore(priv); + /* Make sure driver (instead of uCode) is allowed to read EEPROM */ + rc = iwl3945_eeprom_acquire_semaphore(priv); if (rc < 0) { - IWL_ERROR("Failed to aqcuire EEPROM semaphore.\n"); + IWL_ERROR("Failed to acquire EEPROM semaphore.\n"); return -ENOENT; } /* eeprom is an array of 16bit values */ for (addr = 0; addr < sz; addr += sizeof(u16)) { - _iwl_write32(priv, CSR_EEPROM_REG, addr << 1); - _iwl_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); + _iwl3945_write32(priv, CSR_EEPROM_REG, addr << 1); + _iwl3945_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT; i += IWL_EEPROM_ACCESS_DELAY) { - r = _iwl_read_restricted(priv, CSR_EEPROM_REG); + r = _iwl3945_read_direct32(priv, CSR_EEPROM_REG); if (r & CSR_EEPROM_REG_READ_VALID_MSK) break; udelay(IWL_EEPROM_ACCESS_DELAY); @@ -1576,7 +1623,7 @@ int iwl_eeprom_init(struct iwl_priv *priv) IWL_ERROR("Time out reading EEPROM[%d]", addr); return -ETIMEDOUT; } - e[addr / 2] = le16_to_cpu(r >> 16); + e[addr / 2] = cpu_to_le16(r >> 16); } return 0; @@ -1587,22 +1634,17 @@ int iwl_eeprom_init(struct iwl_priv *priv) * Misc. internal state and helper functions * ******************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG /** - * iwl_report_frame - dump frame to syslog during debug sessions + * iwl3945_report_frame - dump frame to syslog during debug sessions * - * hack this function to show different aspects of received frames, + * You may hack this function to show different aspects of received frames, * including selective frame dumps. * group100 parameter selects whether to show 1 out of 100 good frames. - * - * TODO: ieee80211_hdr stuff is common to 3945 and 4965, so frame type - * info output is okay, but some of this stuff (e.g. iwl_rx_frame_stats) - * is 3945-specific and gives bad output for 4965. Need to split the - * functionality, keep common stuff here. */ -void iwl_report_frame(struct iwl_priv *priv, - struct iwl_rx_packet *pkt, +void iwl3945_report_frame(struct iwl3945_priv *priv, + struct iwl3945_rx_packet *pkt, struct ieee80211_hdr *header, int group100) { u32 to_us; @@ -1624,9 +1666,9 @@ void iwl_report_frame(struct iwl_priv *priv, u8 agc; u16 sig_avg; u16 noise_diff; - struct iwl_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); - struct iwl_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); - struct iwl_rx_frame_end *rx_end = IWL_RX_END(pkt); + struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); + struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); + struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); u8 *data = IWL_RX_DATA(pkt); /* MAC header */ @@ -1702,11 +1744,11 @@ void iwl_report_frame(struct iwl_priv *priv, else title = "Frame"; - rate = iwl_rate_index_from_plcp(rate_sym); + rate = iwl3945_rate_index_from_plcp(rate_sym); if (rate == -1) rate = 0; else - rate = iwl_rates[rate].ieee / 2; + rate = iwl3945_rates[rate].ieee / 2; /* print frame summary. * MAC addresses show just the last byte (for brevity), @@ -1728,25 +1770,25 @@ void iwl_report_frame(struct iwl_priv *priv, } } if (print_dump) - iwl_print_hex_dump(IWL_DL_RX, data, length); + iwl3945_print_hex_dump(IWL_DL_RX, data, length); } #endif -static void iwl_unset_hw_setting(struct iwl_priv *priv) +static void iwl3945_unset_hw_setting(struct iwl3945_priv *priv) { if (priv->hw_setting.shared_virt) pci_free_consistent(priv->pci_dev, - sizeof(struct iwl_shared), + sizeof(struct iwl3945_shared), priv->hw_setting.shared_virt, priv->hw_setting.shared_phys); } /** - * iwl_supported_rate_to_ie - fill in the supported rate in IE field + * 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 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, +static u16 iwl3945_supported_rate_to_ie(u8 *ie, u16 supported_rate, u16 basic_rate, int *left) { u16 ret_rates = 0, bit; @@ -1757,7 +1799,7 @@ static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) { if (bit & supported_rate) { ret_rates |= bit; - rates[*cnt] = iwl_rates[i].ieee | + rates[*cnt] = iwl3945_rates[i].ieee | ((bit & basic_rate) ? 0x80 : 0x00); (*cnt)++; (*left)--; @@ -1771,9 +1813,9 @@ static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, } /** - * iwl_fill_probe_req - fill in all required fields and IE for probe request + * iwl3945_fill_probe_req - fill in all required fields and IE for probe request */ -static u16 iwl_fill_probe_req(struct iwl_priv *priv, +static u16 iwl3945_fill_probe_req(struct iwl3945_priv *priv, struct ieee80211_mgmt *frame, int left, int is_direct) { @@ -1789,9 +1831,9 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, len += 24; frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); - memcpy(frame->da, BROADCAST_ADDR, ETH_ALEN); + memcpy(frame->da, iwl3945_broadcast_addr, ETH_ALEN); memcpy(frame->sa, priv->mac_addr, ETH_ALEN); - memcpy(frame->bssid, BROADCAST_ADDR, ETH_ALEN); + memcpy(frame->bssid, iwl3945_broadcast_addr, ETH_ALEN); frame->seq_ctrl = 0; /* fill in our indirect SSID IE */ @@ -1834,11 +1876,11 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; cck_rates = IWL_CCK_RATES_MASK & active_rates; - ret_rates = iwl_supported_rate_to_ie(pos, cck_rates, + ret_rates = iwl3945_supported_rate_to_ie(pos, cck_rates, priv->active_rate_basic, &left); active_rates &= ~ret_rates; - ret_rates = iwl_supported_rate_to_ie(pos, active_rates, + ret_rates = iwl3945_supported_rate_to_ie(pos, active_rates, priv->active_rate_basic, &left); active_rates &= ~ret_rates; @@ -1855,7 +1897,7 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, /* ... fill it in... */ *pos++ = WLAN_EID_EXT_SUPP_RATES; *pos = 0; - iwl_supported_rate_to_ie(pos, active_rates, + iwl3945_supported_rate_to_ie(pos, active_rates, priv->active_rate_basic, &left); if (*pos > 0) len += 2 + *pos; @@ -1867,16 +1909,16 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, /* * QoS support */ -#ifdef CONFIG_IWLWIFI_QOS -static int iwl_send_qos_params_command(struct iwl_priv *priv, - struct iwl_qosparam_cmd *qos) +#ifdef CONFIG_IWL3945_QOS +static int iwl3945_send_qos_params_command(struct iwl3945_priv *priv, + struct iwl3945_qosparam_cmd *qos) { - return iwl_send_cmd_pdu(priv, REPLY_QOS_PARAM, - sizeof(struct iwl_qosparam_cmd), qos); + return iwl3945_send_cmd_pdu(priv, REPLY_QOS_PARAM, + sizeof(struct iwl3945_qosparam_cmd), qos); } -static void iwl_reset_qos(struct iwl_priv *priv) +static void iwl3945_reset_qos(struct iwl3945_priv *priv) { u16 cw_min = 15; u16 cw_max = 1023; @@ -1963,13 +2005,10 @@ static void iwl_reset_qos(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static void iwl_activate_qos(struct iwl_priv *priv, u8 force) +static void iwl3945_activate_qos(struct iwl3945_priv *priv, u8 force) { unsigned long flags; - if (priv == NULL) - return; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -1990,16 +2029,16 @@ static void iwl_activate_qos(struct iwl_priv *priv, u8 force) spin_unlock_irqrestore(&priv->lock, flags); - if (force || iwl_is_associated(priv)) { + if (force || iwl3945_is_associated(priv)) { IWL_DEBUG_QOS("send QoS cmd with Qos active %d \n", priv->qos_data.qos_active); - iwl_send_qos_params_command(priv, + iwl3945_send_qos_params_command(priv, &(priv->qos_data.def_qos_parm)); } } -#endif /* CONFIG_IWLWIFI_QOS */ +#endif /* CONFIG_IWL3945_QOS */ /* * Power management (not Tx power!) functions */ @@ -2017,7 +2056,7 @@ static void iwl_activate_qos(struct iwl_priv *priv, u8 force) /* default power management (not Tx power) table values */ /* for tim 0-10 */ -static struct iwl_power_vec_entry range_0[IWL_POWER_AC] = { +static struct iwl3945_power_vec_entry range_0[IWL_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}, @@ -2027,7 +2066,7 @@ static struct iwl_power_vec_entry range_0[IWL_POWER_AC] = { }; /* for tim > 10 */ -static struct iwl_power_vec_entry range_1[IWL_POWER_AC] = { +static struct iwl3945_power_vec_entry range_1[IWL_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}, @@ -2040,11 +2079,11 @@ static struct iwl_power_vec_entry range_1[IWL_POWER_AC] = { SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; -int iwl_power_init_handle(struct iwl_priv *priv) +int iwl3945_power_init_handle(struct iwl3945_priv *priv) { int rc = 0, i; - struct iwl_power_mgr *pow_data; - int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_AC; + struct iwl3945_power_mgr *pow_data; + int size = sizeof(struct iwl3945_power_vec_entry) * IWL_POWER_AC; u16 pci_pm; IWL_DEBUG_POWER("Initialize power \n"); @@ -2063,7 +2102,7 @@ int iwl_power_init_handle(struct iwl_priv *priv) if (rc != 0) return 0; else { - struct iwl_powertable_cmd *cmd; + struct iwl3945_powertable_cmd *cmd; IWL_DEBUG_POWER("adjust power command flags\n"); @@ -2079,15 +2118,15 @@ int iwl_power_init_handle(struct iwl_priv *priv) return rc; } -static int iwl_update_power_cmd(struct iwl_priv *priv, - struct iwl_powertable_cmd *cmd, u32 mode) +static int iwl3945_update_power_cmd(struct iwl3945_priv *priv, + struct iwl3945_powertable_cmd *cmd, u32 mode) { int rc = 0, i; u8 skip; u32 max_sleep = 0; - struct iwl_power_vec_entry *range; + struct iwl3945_power_vec_entry *range; u8 period = 0; - struct iwl_power_mgr *pow_data; + struct iwl3945_power_mgr *pow_data; if (mode > IWL_POWER_INDEX_5) { IWL_DEBUG_POWER("Error invalid power mode \n"); @@ -2100,7 +2139,7 @@ static int iwl_update_power_cmd(struct iwl_priv *priv, else range = &pow_data->pwr_range_1[1]; - memcpy(cmd, &range[mode].cmd, sizeof(struct iwl_powertable_cmd)); + memcpy(cmd, &range[mode].cmd, sizeof(struct iwl3945_powertable_cmd)); #ifdef IWL_MAC80211_DISABLE if (priv->assoc_network != NULL) { @@ -2143,14 +2182,14 @@ static int iwl_update_power_cmd(struct iwl_priv *priv, return rc; } -static int iwl_send_power_mode(struct iwl_priv *priv, u32 mode) +static int iwl3945_send_power_mode(struct iwl3945_priv *priv, u32 mode) { - u32 final_mode = mode; + u32 uninitialized_var(final_mode); int rc; - struct iwl_powertable_cmd cmd; + struct iwl3945_powertable_cmd cmd; /* If on battery, set to 3, - * if plugged into AC power, set to CAM ("continuosly aware mode"), + * if plugged into AC power, set to CAM ("continuously aware mode"), * else user level */ switch (mode) { case IWL_POWER_BATTERY: @@ -2164,9 +2203,9 @@ static int iwl_send_power_mode(struct iwl_priv *priv, u32 mode) break; } - iwl_update_power_cmd(priv, &cmd, final_mode); + iwl3945_update_power_cmd(priv, &cmd, final_mode); - rc = iwl_send_cmd_pdu(priv, POWER_TABLE_CMD, sizeof(cmd), &cmd); + rc = iwl3945_send_cmd_pdu(priv, POWER_TABLE_CMD, sizeof(cmd), &cmd); if (final_mode == IWL_POWER_MODE_CAM) clear_bit(STATUS_POWER_PMI, &priv->status); @@ -2176,7 +2215,7 @@ static int iwl_send_power_mode(struct iwl_priv *priv, u32 mode) return rc; } -int iwl_is_network_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) +int iwl3945_is_network_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *header) { /* Filter incoming packets to determine if they are targeted toward * this network, discarding packets coming from ourselves */ @@ -2206,7 +2245,7 @@ int iwl_is_network_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x -const char *iwl_get_tx_fail_reason(u32 status) +static const char *iwl3945_get_tx_fail_reason(u32 status) { switch (status & TX_STATUS_MSK) { case TX_STATUS_SUCCESS: @@ -2233,11 +2272,11 @@ const char *iwl_get_tx_fail_reason(u32 status) } /** - * iwl_scan_cancel - Cancel any currently executing HW scan + * iwl3945_scan_cancel - Cancel any currently executing HW scan * * NOTE: priv->mutex is not required before calling this function */ -static int iwl_scan_cancel(struct iwl_priv *priv) +static int iwl3945_scan_cancel(struct iwl3945_priv *priv) { if (!test_bit(STATUS_SCAN_HW, &priv->status)) { clear_bit(STATUS_SCANNING, &priv->status); @@ -2260,17 +2299,17 @@ static int iwl_scan_cancel(struct iwl_priv *priv) } /** - * iwl_scan_cancel_timeout - Cancel any currently executing HW scan + * 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 iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) +static int iwl3945_scan_cancel_timeout(struct iwl3945_priv *priv, unsigned long ms) { unsigned long now = jiffies; int ret; - ret = iwl_scan_cancel(priv); + ret = iwl3945_scan_cancel(priv); if (ret && ms) { mutex_unlock(&priv->mutex); while (!time_after(jiffies, now + msecs_to_jiffies(ms)) && @@ -2284,7 +2323,7 @@ static int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) return ret; } -static void iwl_sequence_reset(struct iwl_priv *priv) +static void iwl3945_sequence_reset(struct iwl3945_priv *priv) { /* Reset ieee stats */ @@ -2295,13 +2334,13 @@ static void iwl_sequence_reset(struct iwl_priv *priv) priv->last_frag_num = -1; priv->last_packet_time = 0; - iwl_scan_cancel(priv); + iwl3945_scan_cancel(priv); } #define MAX_UCODE_BEACON_INTERVAL 1024 #define INTEL_CONN_LISTEN_INTERVAL __constant_cpu_to_le16(0xA) -static __le16 iwl_adjust_beacon_interval(u16 beacon_val) +static __le16 iwl3945_adjust_beacon_interval(u16 beacon_val) { u16 new_val = 0; u16 beacon_factor = 0; @@ -2314,7 +2353,7 @@ static __le16 iwl_adjust_beacon_interval(u16 beacon_val) return cpu_to_le16(new_val); } -static void iwl_setup_rxon_timing(struct iwl_priv *priv) +static void iwl3945_setup_rxon_timing(struct iwl3945_priv *priv) { u64 interval_tm_unit; u64 tsf, result; @@ -2344,14 +2383,14 @@ static void iwl_setup_rxon_timing(struct iwl_priv *priv) priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int); priv->rxon_timing.beacon_interval = - iwl_adjust_beacon_interval( + iwl3945_adjust_beacon_interval( le16_to_cpu(priv->rxon_timing.beacon_interval)); } priv->rxon_timing.atim_window = 0; } else { priv->rxon_timing.beacon_interval = - iwl_adjust_beacon_interval(conf->beacon_int); + iwl3945_adjust_beacon_interval(conf->beacon_int); /* TODO: we need to get atim_window from upper stack * for now we set to 0 */ priv->rxon_timing.atim_window = 0; @@ -2370,14 +2409,14 @@ static void iwl_setup_rxon_timing(struct iwl_priv *priv) le16_to_cpu(priv->rxon_timing.atim_window)); } -static int iwl_scan_initiate(struct iwl_priv *priv) +static int iwl3945_scan_initiate(struct iwl3945_priv *priv) { if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { IWL_ERROR("APs don't scan.\n"); return 0; } - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_SCAN("Aborting scan due to not ready.\n"); return -EIO; } @@ -2404,9 +2443,9 @@ static int iwl_scan_initiate(struct iwl_priv *priv) return 0; } -static int iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) +static int iwl3945_set_rxon_hwcrypto(struct iwl3945_priv *priv, int hw_decrypt) { - struct iwl_rxon_cmd *rxon = &priv->staging_rxon; + struct iwl3945_rxon_cmd *rxon = &priv->staging_rxon; if (hw_decrypt) rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK; @@ -2416,7 +2455,7 @@ static int iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) return 0; } -static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode) +static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv, u8 phymode) { if (phymode == MODE_IEEE80211A) { priv->staging_rxon.flags &= @@ -2424,7 +2463,7 @@ static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode) | RXON_FLG_CCK_MSK); priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; } else { - /* Copied from iwl_bg_post_associate() */ + /* Copied from iwl3945_bg_post_associate() */ if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else @@ -2440,11 +2479,11 @@ static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode) } /* - * initilize rxon structure with default values fromm eeprom + * initialize rxon structure with default values from eeprom */ -static void iwl_connection_init_rx_config(struct iwl_priv *priv) +static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv) { - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon)); @@ -2481,7 +2520,7 @@ static void iwl_connection_init_rx_config(struct iwl_priv *priv) priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; #endif - ch_info = iwl_get_channel_info(priv, priv->phymode, + ch_info = iwl3945_get_channel_info(priv, priv->phymode, le16_to_cpu(priv->staging_rxon.channel)); if (!ch_info) @@ -2501,7 +2540,7 @@ static void iwl_connection_init_rx_config(struct iwl_priv *priv) else priv->phymode = MODE_IEEE80211G; - iwl_set_flags_for_phymode(priv, priv->phymode); + iwl3945_set_flags_for_phymode(priv, priv->phymode); priv->staging_rxon.ofdm_basic_rates = (IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; @@ -2509,15 +2548,12 @@ static void iwl_connection_init_rx_config(struct iwl_priv *priv) (IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF; } -static int iwl_set_mode(struct iwl_priv *priv, int mode) +static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode) { - if (!iwl_is_ready_rf(priv)) - return -EAGAIN; - if (mode == IEEE80211_IF_TYPE_IBSS) { - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; - ch_info = iwl_get_channel_info(priv, + ch_info = iwl3945_get_channel_info(priv, priv->phymode, le16_to_cpu(priv->staging_rxon.channel)); @@ -2528,32 +2564,36 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode) } } + priv->iw_mode = mode; + + iwl3945_connection_init_rx_config(priv); + memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); + + iwl3945_clear_stations_table(priv); + + /* dont commit rxon if rf-kill is on*/ + if (!iwl3945_is_ready_rf(priv)) + return -EAGAIN; + cancel_delayed_work(&priv->scan_check); - if (iwl_scan_cancel_timeout(priv, 100)) { + if (iwl3945_scan_cancel_timeout(priv, 100)) { IWL_WARNING("Aborted scan still in progress after 100ms\n"); IWL_DEBUG_MAC80211("leaving - scan abort failed.\n"); return -EAGAIN; } - priv->iw_mode = mode; - - iwl_connection_init_rx_config(priv); - memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - - iwl_clear_stations_table(priv); - - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); return 0; } -static void iwl_build_tx_cmd_hwcrypto(struct iwl_priv *priv, +static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv, struct ieee80211_tx_control *ctl, - struct iwl_cmd *cmd, + struct iwl3945_cmd *cmd, struct sk_buff *skb_frag, int last_frag) { - struct iwl_hw_key *keyinfo = &priv->stations[ctl->key_idx].keyinfo; + struct iwl3945_hw_key *keyinfo = &priv->stations[ctl->key_idx].keyinfo; switch (keyinfo->alg) { case ALG_CCMP: @@ -2596,8 +2636,8 @@ static void iwl_build_tx_cmd_hwcrypto(struct iwl_priv *priv, /* * handle build REPLY_TX command notification. */ -static void iwl_build_tx_cmd_basic(struct iwl_priv *priv, - struct iwl_cmd *cmd, +static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct ieee80211_tx_control *ctrl, struct ieee80211_hdr *hdr, int is_unicast, u8 std_id) @@ -2645,11 +2685,9 @@ static void iwl_build_tx_cmd_basic(struct iwl_priv *priv, if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) { if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ || (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ) - cmd->cmd.tx.timeout.pm_frame_timeout = - cpu_to_le16(3); + cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3); else - cmd->cmd.tx.timeout.pm_frame_timeout = - cpu_to_le16(2); + cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2); } else cmd->cmd.tx.timeout.pm_frame_timeout = 0; @@ -2658,41 +2696,44 @@ static void iwl_build_tx_cmd_basic(struct iwl_priv *priv, cmd->cmd.tx.next_frame_len = 0; } -static int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr) +/** + * iwl3945_get_sta_id - Find station's index within station table + */ +static int iwl3945_get_sta_id(struct iwl3945_priv *priv, struct ieee80211_hdr *hdr) { int sta_id; u16 fc = le16_to_cpu(hdr->frame_control); - /* If this frame is broadcast or not data then use the broadcast - * station id */ + /* If this frame is broadcast or management, use broadcast station id */ if (((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) || is_multicast_ether_addr(hdr->addr1)) return priv->hw_setting.bcast_sta_id; switch (priv->iw_mode) { - /* If this frame is part of a BSS network (we're a station), then - * we use the AP's station id */ + /* If we are a client station in a BSS network, use the special + * AP station entry (that's the only station we communicate with) */ case IEEE80211_IF_TYPE_STA: return IWL_AP_ID; /* If we are an AP, then find the station, or use BCAST */ case IEEE80211_IF_TYPE_AP: - sta_id = iwl_hw_find_station(priv, hdr->addr1); + sta_id = iwl3945_hw_find_station(priv, hdr->addr1); if (sta_id != IWL_INVALID_STATION) return sta_id; return priv->hw_setting.bcast_sta_id; - /* If this frame is part of a IBSS network, then we use the - * target specific station id */ + /* If this frame is going out to an IBSS network, find the station, + * or create a new station table entry */ case IEEE80211_IF_TYPE_IBSS: { DECLARE_MAC_BUF(mac); - sta_id = iwl_hw_find_station(priv, hdr->addr1); + /* Create new station table entry */ + sta_id = iwl3945_hw_find_station(priv, hdr->addr1); if (sta_id != IWL_INVALID_STATION) return sta_id; - sta_id = iwl_add_station(priv, hdr->addr1, 0, CMD_ASYNC); + sta_id = iwl3945_add_station(priv, hdr->addr1, 0, CMD_ASYNC); if (sta_id != IWL_INVALID_STATION) return sta_id; @@ -2700,11 +2741,11 @@ static int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr) IWL_DEBUG_DROP("Station %s not in station map. " "Defaulting to broadcast...\n", print_mac(mac, hdr->addr1)); - iwl_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr)); + iwl3945_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr)); return priv->hw_setting.bcast_sta_id; } default: - IWL_WARNING("Unkown mode of operation: %d", priv->iw_mode); + IWL_WARNING("Unknown mode of operation: %d", priv->iw_mode); return priv->hw_setting.bcast_sta_id; } } @@ -2712,18 +2753,18 @@ static int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr) /* * start REPLY_TX command process */ -static int iwl_tx_skb(struct iwl_priv *priv, +static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb, struct ieee80211_tx_control *ctl) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct iwl_tfd_frame *tfd; + struct iwl3945_tfd_frame *tfd; u32 *control_flags; int txq_id = ctl->queue; - struct iwl_tx_queue *txq = NULL; - struct iwl_queue *q = NULL; + struct iwl3945_tx_queue *txq = NULL; + struct iwl3945_queue *q = NULL; dma_addr_t phys_addr; dma_addr_t txcmd_phys; - struct iwl_cmd *out_cmd = NULL; + struct iwl3945_cmd *out_cmd = NULL; u16 len, idx, len_org; u8 id, hdr_len, unicast; u8 sta_id; @@ -2735,13 +2776,13 @@ static int iwl_tx_skb(struct iwl_priv *priv, int rc; spin_lock_irqsave(&priv->lock, flags); - if (iwl_is_rfkill(priv)) { + if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_DROP("Dropping - RF KILL\n"); goto drop_unlock; } - if (!priv->interface_id) { - IWL_DEBUG_DROP("Dropping - !priv->interface_id\n"); + if (!priv->vif) { + IWL_DEBUG_DROP("Dropping - !priv->vif\n"); goto drop_unlock; } @@ -2755,7 +2796,7 @@ static int iwl_tx_skb(struct iwl_priv *priv, fc = le16_to_cpu(hdr->frame_control); -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG if (ieee80211_is_auth(fc)) IWL_DEBUG_TX("Sending AUTH frame\n"); else if (ieee80211_is_assoc_request(fc)) @@ -2764,16 +2805,19 @@ static int iwl_tx_skb(struct iwl_priv *priv, IWL_DEBUG_TX("Sending REASSOC frame\n"); #endif - if (!iwl_is_associated(priv) && + /* drop all data frame if we are not associated */ + if ((!iwl3945_is_associated(priv) || !priv->assoc_id) && ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) { - IWL_DEBUG_DROP("Dropping - !iwl_is_associated\n"); + IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n"); goto drop_unlock; } spin_unlock_irqrestore(&priv->lock, flags); hdr_len = ieee80211_get_hdrlen(fc); - sta_id = iwl_get_sta_id(priv, hdr); + + /* Find (or create) index into station table for destination station */ + sta_id = iwl3945_get_sta_id(priv, hdr); if (sta_id == IWL_INVALID_STATION) { DECLARE_MAC_BUF(mac); @@ -2794,32 +2838,54 @@ static int iwl_tx_skb(struct iwl_priv *priv, __constant_cpu_to_le16(IEEE80211_SCTL_FRAG)); seq_number += 0x10; } + + /* Descriptor for chosen Tx queue */ txq = &priv->txq[txq_id]; q = &txq->q; spin_lock_irqsave(&priv->lock, flags); - tfd = &txq->bd[q->first_empty]; + /* 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->first_empty, 0); + idx = get_cmd_index(q, q->write_ptr, 0); - memset(&(txq->txb[q->first_empty]), 0, sizeof(struct iwl_tx_info)); - txq->txb[q->first_empty].skb[0] = skb; - memcpy(&(txq->txb[q->first_empty].status.control), + /* Set up driver data for this TFD */ + memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl3945_tx_info)); + txq->txb[q->write_ptr].skb[0] = skb; + memcpy(&(txq->txb[q->write_ptr].status.control), ctl, sizeof(struct ieee80211_tx_control)); + + /* Init first empty entry in queue's array of Tx/cmd buffers */ out_cmd = &txq->cmd[idx]; memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr)); memset(&out_cmd->cmd.tx, 0, sizeof(out_cmd->cmd.tx)); + + /* + * Set up the Tx-command (not MAC!) header. + * Store the chosen Tx queue and TFD index within the sequence field; + * after Tx, uCode's Tx response will return this value so driver can + * locate the frame within the tx queue and do post-tx processing. + */ out_cmd->hdr.cmd = REPLY_TX; out_cmd->hdr.sequence = cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) | - INDEX_TO_SEQ(q->first_empty))); - /* copy frags header */ + INDEX_TO_SEQ(q->write_ptr))); + + /* Copy MAC header from skb into command buffer */ memcpy(out_cmd->cmd.tx.hdr, hdr, hdr_len); - /* hdr = (struct ieee80211_hdr *)out_cmd->cmd.tx.hdr; */ + /* + * Use the first empty entry in this queue's command buffer array + * to contain the Tx command and MAC header concatenated together + * (payload data will be in another buffer). + * Size of this varies, due to varying MAC header length. + * If end is not dword aligned, we'll have 2 extra bytes at the end + * of the MAC header (device reads on dword boundaries). + * We'll tell device about this padding later. + */ len = priv->hw_setting.tx_cmd_len + - sizeof(struct iwl_cmd_header) + hdr_len; + sizeof(struct iwl3945_cmd_header) + hdr_len; len_org = len; len = (len + 3) & ~3; @@ -2829,37 +2895,45 @@ static int iwl_tx_skb(struct iwl_priv *priv, else len_org = 0; - txcmd_phys = txq->dma_addr_cmd + sizeof(struct iwl_cmd) * idx + - offsetof(struct iwl_cmd, hdr); + /* Physical address of this Tx command's header (not MAC header!), + * within command buffer array. */ + txcmd_phys = txq->dma_addr_cmd + sizeof(struct iwl3945_cmd) * idx + + offsetof(struct iwl3945_cmd, hdr); - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len); + /* 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); if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) - iwl_build_tx_cmd_hwcrypto(priv, ctl, out_cmd, skb, 0); + iwl3945_build_tx_cmd_hwcrypto(priv, ctl, out_cmd, skb, 0); - /* 802.11 null functions have no payload... */ + /* Set up TFD's 2nd entry to point directly to remainder of skb, + * if any (802.11 null frames have no payload). */ len = skb->len - hdr_len; if (len) { phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len, len, PCI_DMA_TODEVICE); - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, len); + iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, len); } - /* If there is no payload, then only one TFD is used */ 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); /* TODO need this for burst mode later on */ - iwl_build_tx_cmd_basic(priv, out_cmd, ctl, hdr, unicast, sta_id); + iwl3945_build_tx_cmd_basic(priv, out_cmd, ctl, hdr, unicast, sta_id); /* set is_hcca to 0; it probably will never be implemented */ - iwl_hw_build_tx_cmd_rate(priv, out_cmd, ctl, hdr, sta_id, 0); + iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, ctl, 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; @@ -2875,25 +2949,26 @@ static int iwl_tx_skb(struct iwl_priv *priv, txq->need_update = 0; } - iwl_print_hex_dump(IWL_DL_TX, out_cmd->cmd.payload, + iwl3945_print_hex_dump(IWL_DL_TX, out_cmd->cmd.payload, sizeof(out_cmd->cmd.tx)); - iwl_print_hex_dump(IWL_DL_TX, (u8 *)out_cmd->cmd.tx.hdr, + iwl3945_print_hex_dump(IWL_DL_TX, (u8 *)out_cmd->cmd.tx.hdr, ieee80211_get_hdrlen(fc)); - q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd); - rc = iwl_tx_queue_update_write_ptr(priv, txq); + /* Tell device the write index *just past* this latest filled TFD */ + q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd); + rc = iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); if (rc) return rc; - if ((iwl_queue_space(q) < q->high_mark) + if ((iwl3945_queue_space(q) < q->high_mark) && priv->mac80211_registered) { if (wait_write_ptr) { spin_lock_irqsave(&priv->lock, flags); txq->need_update = 1; - iwl_tx_queue_update_write_ptr(priv, txq); + iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); } @@ -2908,13 +2983,17 @@ drop: return -1; } -static void iwl_set_rate(struct iwl_priv *priv) +static void iwl3945_set_rate(struct iwl3945_priv *priv) { const struct ieee80211_hw_mode *hw = NULL; struct ieee80211_rate *rate; int i; - hw = iwl_get_hw_mode(priv, priv->phymode); + hw = iwl3945_get_hw_mode(priv, priv->phymode); + if (!hw) { + IWL_ERROR("Failed to set rate: unable to get hw mode\n"); + return; + } priv->active_rate = 0; priv->active_rate_basic = 0; @@ -2928,7 +3007,7 @@ static void iwl_set_rate(struct iwl_priv *priv) if ((rate->val < IWL_RATE_COUNT) && (rate->flags & IEEE80211_RATE_SUPPORTED)) { IWL_DEBUG_RATE("Adding rate index %d (plcp %d)%s\n", - rate->val, iwl_rates[rate->val].plcp, + rate->val, iwl3945_rates[rate->val].plcp, (rate->flags & IEEE80211_RATE_BASIC) ? "*" : ""); priv->active_rate |= (1 << rate->val); @@ -2936,7 +3015,7 @@ static void iwl_set_rate(struct iwl_priv *priv) priv->active_rate_basic |= (1 << rate->val); } else IWL_DEBUG_RATE("Not adding rate %d (plcp %d)\n", - rate->val, iwl_rates[rate->val].plcp); + rate->val, iwl3945_rates[rate->val].plcp); } IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n", @@ -2965,7 +3044,7 @@ static void iwl_set_rate(struct iwl_priv *priv) (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; } -static void iwl_radio_kill_sw(struct iwl_priv *priv, int disable_radio) +static void iwl3945_radio_kill_sw(struct iwl3945_priv *priv, int disable_radio) { unsigned long flags; @@ -2976,21 +3055,21 @@ static void iwl_radio_kill_sw(struct iwl_priv *priv, int disable_radio) disable_radio ? "OFF" : "ON"); if (disable_radio) { - iwl_scan_cancel(priv); + iwl3945_scan_cancel(priv); /* FIXME: This is a workaround for AP */ if (priv->iw_mode != IEEE80211_IF_TYPE_AP) { spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_SW_BIT_RFKILL); spin_unlock_irqrestore(&priv->lock, flags); - iwl_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0); + iwl3945_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0); set_bit(STATUS_RF_KILL_SW, &priv->status); } return; } spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); clear_bit(STATUS_RF_KILL_SW, &priv->status); spin_unlock_irqrestore(&priv->lock, flags); @@ -2999,9 +3078,9 @@ static void iwl_radio_kill_sw(struct iwl_priv *priv, int disable_radio) msleep(10); spin_lock_irqsave(&priv->lock, flags); - iwl_read32(priv, CSR_UCODE_DRV_GP1); - if (!iwl_grab_restricted_access(priv)) - iwl_release_restricted_access(priv); + iwl3945_read32(priv, CSR_UCODE_DRV_GP1); + if (!iwl3945_grab_nic_access(priv)) + iwl3945_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); if (test_bit(STATUS_RF_KILL_HW, &priv->status)) { @@ -3014,7 +3093,7 @@ static void iwl_radio_kill_sw(struct iwl_priv *priv, int disable_radio) return; } -void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb, +void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb, u32 decrypt_res, struct ieee80211_rx_status *stats) { u16 fc = @@ -3046,97 +3125,9 @@ void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb, } } -void iwl_handle_data_packet_monitor(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, - void *data, short len, - struct ieee80211_rx_status *stats, - u16 phy_flags) -{ - struct iwl_rt_rx_hdr *iwl_rt; - - /* First cache any information we need before we overwrite - * the information provided in the skb from the hardware */ - s8 signal = stats->ssi; - s8 noise = 0; - int rate = stats->rate; - u64 tsf = stats->mactime; - __le16 phy_flags_hw = cpu_to_le16(phy_flags); - - /* We received data from the HW, so stop the watchdog */ - if (len > IWL_RX_BUF_SIZE - sizeof(*iwl_rt)) { - IWL_DEBUG_DROP("Dropping too large packet in monitor\n"); - return; - } - - /* copy the frame data to write after where the radiotap header goes */ - iwl_rt = (void *)rxb->skb->data; - memmove(iwl_rt->payload, data, len); - - iwl_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION; - iwl_rt->rt_hdr.it_pad = 0; /* always good to zero */ - - /* total header + data */ - iwl_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*iwl_rt)); - - /* Set the size of the skb to the size of the frame */ - skb_put(rxb->skb, sizeof(*iwl_rt) + len); - - /* Big bitfield of all the fields we provide in radiotap */ - iwl_rt->rt_hdr.it_present = - cpu_to_le32((1 << IEEE80211_RADIOTAP_TSFT) | - (1 << IEEE80211_RADIOTAP_FLAGS) | - (1 << IEEE80211_RADIOTAP_RATE) | - (1 << IEEE80211_RADIOTAP_CHANNEL) | - (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | - (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | - (1 << IEEE80211_RADIOTAP_ANTENNA)); - - /* Zero the flags, we'll add to them as we go */ - iwl_rt->rt_flags = 0; - - iwl_rt->rt_tsf = cpu_to_le64(tsf); - - /* Convert to dBm */ - iwl_rt->rt_dbmsignal = signal; - iwl_rt->rt_dbmnoise = noise; - - /* Convert the channel frequency and set the flags */ - iwl_rt->rt_channelMHz = cpu_to_le16(stats->freq); - if (!(phy_flags_hw & RX_RES_PHY_FLAGS_BAND_24_MSK)) - iwl_rt->rt_chbitmask = - cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ)); - else if (phy_flags_hw & RX_RES_PHY_FLAGS_MOD_CCK_MSK) - iwl_rt->rt_chbitmask = - cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ)); - else /* 802.11g */ - iwl_rt->rt_chbitmask = - cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ)); - - rate = iwl_rate_index_from_plcp(rate); - if (rate == -1) - iwl_rt->rt_rate = 0; - else - iwl_rt->rt_rate = iwl_rates[rate].ieee; - - /* antenna number */ - iwl_rt->rt_antenna = - le16_to_cpu(phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4; - - /* set the preamble flag if we have it */ - if (phy_flags_hw & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK) - iwl_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; - - IWL_DEBUG_RX("Rx packet of %d bytes.\n", rxb->skb->len); - - stats->flag |= RX_FLAG_RADIOTAP; - ieee80211_rx_irqsafe(priv->hw, rxb->skb, stats); - rxb->skb = NULL; -} - - #define IWL_PACKET_RETRY_TIME HZ -int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) +int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *header) { u16 sc = le16_to_cpu(header->seq_ctrl); u16 seq = (sc & IEEE80211_SCTL_SEQ) >> 4; @@ -3147,29 +3138,26 @@ int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) switch (priv->iw_mode) { case IEEE80211_IF_TYPE_IBSS:{ struct list_head *p; - struct iwl_ibss_seq *entry = NULL; + struct iwl3945_ibss_seq *entry = NULL; u8 *mac = header->addr2; int index = mac[5] & (IWL_IBSS_MAC_HASH_SIZE - 1); __list_for_each(p, &priv->ibss_mac_hash[index]) { - entry = - list_entry(p, struct iwl_ibss_seq, list); + entry = list_entry(p, struct iwl3945_ibss_seq, list); if (!compare_ether_addr(entry->mac, mac)) break; } if (p == &priv->ibss_mac_hash[index]) { entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) { - IWL_ERROR - ("Cannot malloc new mac entry\n"); + IWL_ERROR("Cannot malloc new mac entry\n"); return 0; } memcpy(entry->mac, mac, ETH_ALEN); entry->seq_num = seq; entry->frag_num = frag; entry->packet_time = jiffies; - list_add(&entry->list, - &priv->ibss_mac_hash[index]); + list_add(&entry->list, &priv->ibss_mac_hash[index]); return 0; } last_seq = &entry->seq_num; @@ -3203,7 +3191,7 @@ int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) return 1; } -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT #include "iwl-spectrum.h" @@ -3218,7 +3206,7 @@ int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) * the lower 3 bytes is the time in usec within one beacon interval */ -static u32 iwl_usecs_to_beacons(u32 usec, u32 beacon_interval) +static u32 iwl3945_usecs_to_beacons(u32 usec, u32 beacon_interval) { u32 quot; u32 rem; @@ -3237,7 +3225,7 @@ static u32 iwl_usecs_to_beacons(u32 usec, u32 beacon_interval) * the same as HW timer counter counting down */ -static __le32 iwl_add_beacon_time(u32 base, u32 addon, u32 beacon_interval) +static __le32 iwl3945_add_beacon_time(u32 base, u32 addon, u32 beacon_interval) { u32 base_low = base & BEACON_TIME_MASK_LOW; u32 addon_low = addon & BEACON_TIME_MASK_LOW; @@ -3256,13 +3244,13 @@ static __le32 iwl_add_beacon_time(u32 base, u32 addon, u32 beacon_interval) return cpu_to_le32(res); } -static int iwl_get_measurement(struct iwl_priv *priv, +static int iwl3945_get_measurement(struct iwl3945_priv *priv, struct ieee80211_measurement_params *params, u8 type) { - struct iwl_spectrum_cmd spectrum; - struct iwl_rx_packet *res; - struct iwl_host_cmd cmd = { + struct iwl3945_spectrum_cmd spectrum; + struct iwl3945_rx_packet *res; + struct iwl3945_host_cmd cmd = { .id = REPLY_SPECTRUM_MEASUREMENT_CMD, .data = (void *)&spectrum, .meta.flags = CMD_WANT_SKB, @@ -3272,9 +3260,9 @@ static int iwl_get_measurement(struct iwl_priv *priv, int spectrum_resp_status; int duration = le16_to_cpu(params->duration); - if (iwl_is_associated(priv)) + if (iwl3945_is_associated(priv)) add_time = - iwl_usecs_to_beacons( + iwl3945_usecs_to_beacons( le64_to_cpu(params->start_time) - priv->last_tsf, le16_to_cpu(priv->rxon_timing.beacon_interval)); @@ -3287,9 +3275,9 @@ static int iwl_get_measurement(struct iwl_priv *priv, cmd.len = sizeof(spectrum); spectrum.len = cpu_to_le16(cmd.len - sizeof(spectrum.len)); - if (iwl_is_associated(priv)) + if (iwl3945_is_associated(priv)) spectrum.start_time = - iwl_add_beacon_time(priv->last_beacon_time, + iwl3945_add_beacon_time(priv->last_beacon_time, add_time, le16_to_cpu(priv->rxon_timing.beacon_interval)); else @@ -3302,11 +3290,11 @@ static int iwl_get_measurement(struct iwl_priv *priv, spectrum.flags |= RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK; - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n"); rc = -EIO; @@ -3316,9 +3304,8 @@ static int iwl_get_measurement(struct iwl_priv *priv, switch (spectrum_resp_status) { case 0: /* Command will be handled */ if (res->u.spectrum.id != 0xff) { - IWL_DEBUG_INFO - ("Replaced existing measurement: %d\n", - res->u.spectrum.id); + IWL_DEBUG_INFO("Replaced existing measurement: %d\n", + res->u.spectrum.id); priv->measurement_status &= ~MEASUREMENT_READY; } priv->measurement_status |= MEASUREMENT_ACTIVE; @@ -3336,8 +3323,8 @@ static int iwl_get_measurement(struct iwl_priv *priv, } #endif -static void iwl_txstatus_to_ieee(struct iwl_priv *priv, - struct iwl_tx_info *tx_sta) +static void iwl3945_txstatus_to_ieee(struct iwl3945_priv *priv, + struct iwl3945_tx_info *tx_sta) { tx_sta->status.ack_signal = 0; @@ -3356,41 +3343,41 @@ static void iwl_txstatus_to_ieee(struct iwl_priv *priv, } /** - * iwl_tx_queue_reclaim - Reclaim Tx queue entries no more used by NIC. + * iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd * - * When FW advances 'R' index, all entries between old and - * new 'R' index need to be reclaimed. As result, some free space - * forms. If there is enough free space (> low mark), wake Tx queue. + * When FW advances 'R' index, all entries between old and new 'R' index + * need to be reclaimed. As result, some free space forms. If there is + * enough free space (> low mark), wake the stack that feeds us. */ -int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) +static int iwl3945_tx_queue_reclaim(struct iwl3945_priv *priv, int txq_id, int index) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct iwl_queue *q = &txq->q; + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; + struct iwl3945_queue *q = &txq->q; int nfreed = 0; if ((index >= q->n_bd) || (x2_queue_used(q, index) == 0)) { IWL_ERROR("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->first_empty, q->last_used); + index, q->n_bd, q->write_ptr, q->read_ptr); return 0; } - for (index = iwl_queue_inc_wrap(index, q->n_bd); - q->last_used != index; - q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd)) { + for (index = iwl3945_queue_inc_wrap(index, q->n_bd); + q->read_ptr != index; + q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd)) { if (txq_id != IWL_CMD_QUEUE_NUM) { - iwl_txstatus_to_ieee(priv, - &(txq->txb[txq->q.last_used])); - iwl_hw_txq_free_tfd(priv, txq); + iwl3945_txstatus_to_ieee(priv, + &(txq->txb[txq->q.read_ptr])); + iwl3945_hw_txq_free_tfd(priv, txq); } else if (nfreed > 1) { IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index, - q->first_empty, q->last_used); + q->write_ptr, q->read_ptr); queue_work(priv->workqueue, &priv->restart); } nfreed++; } - if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) && + if (iwl3945_queue_space(q) > q->low_mark && (txq_id >= 0) && (txq_id != IWL_CMD_QUEUE_NUM) && priv->mac80211_registered) ieee80211_wake_queue(priv->hw, txq_id); @@ -3399,7 +3386,7 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) return nfreed; } -static int iwl_is_tx_success(u32 status) +static int iwl3945_is_tx_success(u32 status) { return (status & 0xFF) == 0x1; } @@ -3409,27 +3396,30 @@ static int iwl_is_tx_success(u32 status) * Generic RX handler implementations * ******************************************************************************/ -static void iwl_rx_reply_tx(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +/** + * iwl3945_rx_reply_tx - Handle Tx response + */ +static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; u16 sequence = le16_to_cpu(pkt->hdr.sequence); int txq_id = SEQ_TO_QUEUE(sequence); int index = SEQ_TO_INDEX(sequence); - struct iwl_tx_queue *txq = &priv->txq[txq_id]; + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; struct ieee80211_tx_status *tx_status; - struct iwl_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; + struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; u32 status = le32_to_cpu(tx_resp->status); if ((index >= txq->q.n_bd) || (x2_queue_used(&txq->q, index) == 0)) { IWL_ERROR("Read index for DMA queue txq_id (%d) index %d " "is out of range [0-%d] %d %d\n", txq_id, - index, txq->q.n_bd, txq->q.first_empty, - txq->q.last_used); + index, txq->q.n_bd, txq->q.write_ptr, + txq->q.read_ptr); return; } - tx_status = &(txq->txb[txq->q.last_used].status); + tx_status = &(txq->txb[txq->q.read_ptr].status); tx_status->retry_count = tx_resp->failure_frame; tx_status->queue_number = status; @@ -3437,28 +3427,28 @@ static void iwl_rx_reply_tx(struct iwl_priv *priv, tx_status->queue_length |= tx_resp->failure_rts; tx_status->flags = - iwl_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0; + iwl3945_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0; - tx_status->control.tx_rate = iwl_rate_index_from_plcp(tx_resp->rate); + tx_status->control.tx_rate = iwl3945_rate_index_from_plcp(tx_resp->rate); IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n", - txq_id, iwl_get_tx_fail_reason(status), status, + txq_id, iwl3945_get_tx_fail_reason(status), status, tx_resp->rate, tx_resp->failure_frame); IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index); if (index != -1) - iwl_tx_queue_reclaim(priv, txq_id, index); + iwl3945_tx_queue_reclaim(priv, txq_id, index); if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK)) IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n"); } -static void iwl_rx_reply_alive(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_alive(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_alive_resp *palive; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_alive_resp *palive; struct delayed_work *pwork; palive = &pkt->u.alive_frame; @@ -3472,14 +3462,14 @@ static void iwl_rx_reply_alive(struct iwl_priv *priv, IWL_DEBUG_INFO("Initialization Alive received.\n"); memcpy(&priv->card_alive_init, &pkt->u.alive_frame, - sizeof(struct iwl_init_alive_resp)); + sizeof(struct iwl3945_init_alive_resp)); pwork = &priv->init_alive_start; } else { IWL_DEBUG_INFO("Runtime Alive received.\n"); memcpy(&priv->card_alive, &pkt->u.alive_frame, - sizeof(struct iwl_alive_resp)); + sizeof(struct iwl3945_alive_resp)); pwork = &priv->alive_start; - iwl_disable_events(priv); + iwl3945_disable_events(priv); } /* We delay the ALIVE response by 5ms to @@ -3491,19 +3481,19 @@ static void iwl_rx_reply_alive(struct iwl_priv *priv, IWL_WARNING("uCode did not respond OK.\n"); } -static void iwl_rx_reply_add_sta(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_add_sta(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; IWL_DEBUG_RX("Received REPLY_ADD_STA: 0x%02X\n", pkt->u.status); return; } -static void iwl_rx_reply_error(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_error(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; IWL_ERROR("Error Reply type 0x%08X cmd %s (0x%02X) " "seq 0x%04X ser 0x%08X\n", @@ -3516,23 +3506,23 @@ static void iwl_rx_reply_error(struct iwl_priv *priv, #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x -static void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_csa(struct iwl3945_priv *priv, struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon; - struct iwl_csa_notification *csa = &(pkt->u.csa_notif); + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rxon_cmd *rxon = (void *)&priv->active_rxon; + struct iwl3945_csa_notification *csa = &(pkt->u.csa_notif); IWL_DEBUG_11H("CSA notif: channel %d, status %d\n", le16_to_cpu(csa->channel), le32_to_cpu(csa->status)); rxon->channel = csa->channel; priv->staging_rxon.channel = csa->channel; } -static void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_spectrum_measure_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif); +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_spectrum_notification *report = &(pkt->u.spectrum_notif); if (!report->state) { IWL_DEBUG(IWL_DL_11H | IWL_DL_INFO, @@ -3545,35 +3535,35 @@ static void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, #endif } -static void iwl_rx_pm_sleep_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_pm_sleep_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_DEBUG - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif); +#ifdef CONFIG_IWL3945_DEBUG + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_sleep_notification *sleep = &(pkt->u.sleep_notif); IWL_DEBUG_RX("sleep mode: %d, src: %d\n", sleep->pm_sleep_mode, sleep->pm_wakeup_src); #endif } -static void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_pm_debug_statistics_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; IWL_DEBUG_RADIO("Dumping %d bytes of unhandled " "notification for %s:\n", le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd)); - iwl_print_hex_dump(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len)); + iwl3945_print_hex_dump(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len)); } -static void iwl_bg_beacon_update(struct work_struct *work) +static void iwl3945_bg_beacon_update(struct work_struct *work) { - struct iwl_priv *priv = - container_of(work, struct iwl_priv, beacon_update); + struct iwl3945_priv *priv = + container_of(work, struct iwl3945_priv, beacon_update); struct sk_buff *beacon; /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ - beacon = ieee80211_beacon_get(priv->hw, priv->interface_id, NULL); + beacon = ieee80211_beacon_get(priv->hw, priv->vif, NULL); if (!beacon) { IWL_ERROR("update beacon failed\n"); @@ -3588,15 +3578,15 @@ static void iwl_bg_beacon_update(struct work_struct *work) priv->ibss_beacon = beacon; mutex_unlock(&priv->mutex); - iwl_send_beacon_cmd(priv); + iwl3945_send_beacon_cmd(priv); } -static void iwl_rx_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_beacon_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_DEBUG - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_beacon_notif *beacon = &(pkt->u.beacon_status); +#ifdef CONFIG_IWL3945_DEBUG + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_beacon_notif *beacon = &(pkt->u.beacon_status); u8 rate = beacon->beacon_notify_hdr.rate; IWL_DEBUG_RX("beacon status %x retries %d iss %d " @@ -3614,25 +3604,25 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv, } /* Service response to REPLY_SCAN_CMD (0x80) */ -static void iwl_rx_reply_scan(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_scan(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#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; +#ifdef CONFIG_IWL3945_DEBUG + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scanreq_notification *notif = + (struct iwl3945_scanreq_notification *)pkt->u.raw; IWL_DEBUG_RX("Scan request status = 0x%x\n", notif->status); #endif } /* Service SCAN_START_NOTIFICATION (0x82) */ -static void iwl_rx_scan_start_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_scan_start_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scanstart_notification *notif = - (struct iwl_scanstart_notification *)pkt->u.raw; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scanstart_notification *notif = + (struct iwl3945_scanstart_notification *)pkt->u.raw; priv->scan_start_tsf = le32_to_cpu(notif->tsf_low); IWL_DEBUG_SCAN("Scan start: " "%d [802.11%s] " @@ -3644,12 +3634,12 @@ static void iwl_rx_scan_start_notif(struct iwl_priv *priv, } /* Service SCAN_RESULTS_NOTIFICATION (0x83) */ -static void iwl_rx_scan_results_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_scan_results_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scanresults_notification *notif = - (struct iwl_scanresults_notification *)pkt->u.raw; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scanresults_notification *notif = + (struct iwl3945_scanresults_notification *)pkt->u.raw; IWL_DEBUG_SCAN("Scan ch.res: " "%d [802.11%s] " @@ -3665,14 +3655,15 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv, (priv->last_scan_jiffies, jiffies))); priv->last_scan_jiffies = jiffies; + priv->next_scan_jiffies = 0; } /* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ -static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_scan_complete_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scancomplete_notification *scan_notif = (void *)pkt->u.raw; IWL_DEBUG_SCAN("Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n", scan_notif->scanned_channels, @@ -3707,6 +3698,7 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, } priv->last_scan_jiffies = jiffies; + priv->next_scan_jiffies = 0; IWL_DEBUG_INFO("Setting scan to off\n"); clear_bit(STATUS_SCANNING, &priv->status); @@ -3725,10 +3717,10 @@ reschedule: /* Handle notification from uCode that card's power state is changing * due to software, hardware, or critical temperature RFKILL */ -static void iwl_rx_card_state_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_card_state_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); unsigned long status = priv->status; @@ -3736,7 +3728,7 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, (flags & HW_CARD_DISABLED) ? "Kill" : "On", (flags & SW_CARD_DISABLED) ? "Kill" : "On"); - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); if (flags & HW_CARD_DISABLED) @@ -3750,7 +3742,7 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, else clear_bit(STATUS_RF_KILL_SW, &priv->status); - iwl_scan_cancel(priv); + iwl3945_scan_cancel(priv); if ((test_bit(STATUS_RF_KILL_HW, &status) != test_bit(STATUS_RF_KILL_HW, &priv->status)) || @@ -3762,7 +3754,7 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, } /** - * iwl_setup_rx_handlers - Initialize Rx handler callbacks + * iwl3945_setup_rx_handlers - Initialize Rx handler callbacks * * Setup the RX handlers for each of the reply types sent from the uCode * to the host. @@ -3770,61 +3762,58 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, * This function chains into the hardware specific files for them to setup * any hardware specific handlers as well. */ -static void iwl_setup_rx_handlers(struct iwl_priv *priv) +static void iwl3945_setup_rx_handlers(struct iwl3945_priv *priv) { - priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive; - priv->rx_handlers[REPLY_ADD_STA] = iwl_rx_reply_add_sta; - priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error; - priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa; + priv->rx_handlers[REPLY_ALIVE] = iwl3945_rx_reply_alive; + priv->rx_handlers[REPLY_ADD_STA] = iwl3945_rx_reply_add_sta; + priv->rx_handlers[REPLY_ERROR] = iwl3945_rx_reply_error; + priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl3945_rx_csa; priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] = - iwl_rx_spectrum_measure_notif; - priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif; + iwl3945_rx_spectrum_measure_notif; + priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl3945_rx_pm_sleep_notif; priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] = - iwl_rx_pm_debug_statistics_notif; - priv->rx_handlers[BEACON_NOTIFICATION] = iwl_rx_beacon_notif; - - /* NOTE: iwl_rx_statistics is different based on whether - * the build is for the 3945 or the 4965. See the - * corresponding implementation in iwl-XXXX.c - * - * The same handler is used for both the REPLY to a - * discrete statistics request from the host as well as - * for the periodic statistics notification from the uCode + iwl3945_rx_pm_debug_statistics_notif; + priv->rx_handlers[BEACON_NOTIFICATION] = iwl3945_rx_beacon_notif; + + /* + * The same handler is used for both the REPLY to a discrete + * statistics request from the host as well as for the periodic + * statistics notifications (after received beacons) from the uCode. */ - priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_hw_rx_statistics; - priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_hw_rx_statistics; + priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl3945_hw_rx_statistics; + priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl3945_hw_rx_statistics; - priv->rx_handlers[REPLY_SCAN_CMD] = iwl_rx_reply_scan; - priv->rx_handlers[SCAN_START_NOTIFICATION] = iwl_rx_scan_start_notif; + priv->rx_handlers[REPLY_SCAN_CMD] = iwl3945_rx_reply_scan; + priv->rx_handlers[SCAN_START_NOTIFICATION] = iwl3945_rx_scan_start_notif; priv->rx_handlers[SCAN_RESULTS_NOTIFICATION] = - iwl_rx_scan_results_notif; + iwl3945_rx_scan_results_notif; priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] = - iwl_rx_scan_complete_notif; - priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl_rx_card_state_notif; - priv->rx_handlers[REPLY_TX] = iwl_rx_reply_tx; + iwl3945_rx_scan_complete_notif; + priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl3945_rx_card_state_notif; + priv->rx_handlers[REPLY_TX] = iwl3945_rx_reply_tx; - /* Setup hardware specific Rx handlers */ - iwl_hw_rx_handler_setup(priv); + /* Set up hardware specific Rx handlers */ + iwl3945_hw_rx_handler_setup(priv); } /** - * iwl_tx_cmd_complete - Pull unused buffers off the queue and reclaim them + * iwl3945_tx_cmd_complete - Pull unused buffers off the queue and reclaim them * @rxb: Rx buffer to reclaim * * If an Rx buffer has an async callback associated with it the callback * will be executed. The attached skb (if present) will only be freed * if the callback returns 1 */ -static void iwl_tx_cmd_complete(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_tx_cmd_complete(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (struct iwl3945_rx_packet *)rxb->skb->data; u16 sequence = le16_to_cpu(pkt->hdr.sequence); int txq_id = SEQ_TO_QUEUE(sequence); int index = SEQ_TO_INDEX(sequence); int huge = sequence & SEQ_HUGE_FRAME; int cmd_index; - struct iwl_cmd *cmd; + struct iwl3945_cmd *cmd; /* If a Tx command is being handled and it isn't in the actual * command queue then there a command routing bug has been introduced @@ -3845,7 +3834,7 @@ static void iwl_tx_cmd_complete(struct iwl_priv *priv, !cmd->meta.u.callback(priv, cmd, rxb->skb)) rxb->skb = NULL; - iwl_tx_queue_reclaim(priv, txq_id, index); + iwl3945_tx_queue_reclaim(priv, txq_id, index); if (!(cmd->meta.flags & CMD_ASYNC)) { clear_bit(STATUS_HCMD_ACTIVE, &priv->status); @@ -3875,10 +3864,10 @@ static void iwl_tx_cmd_complete(struct iwl_priv *priv, * The queue is empty (no good data) if WRITE = READ - 1, and is full if * WRITE = READ. * - * During initialization the host sets up the READ queue position to the first + * During initialization, the host sets up the READ queue position to the first * INDEX position, and WRITE to the last (READ - 1 wrapped) * - * When the firmware places a packet in a buffer it will advance the READ index + * When the firmware places a packet in a buffer, it will advance the READ index * and fire the RX interrupt. The driver can then query the READ index and * process as many packets as possible, moving the WRITE index forward as it * resets the Rx queue buffers with new memory. @@ -3886,8 +3875,8 @@ static void iwl_tx_cmd_complete(struct iwl_priv *priv, * The management in the driver is as follows: * + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When * iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled - * to replensish the iwl->rxq->rx_free. - * + In iwl_rx_replenish (scheduled) if 'processed' != 'read' then the + * to replenish the iwl->rxq->rx_free. + * + In iwl3945_rx_replenish (scheduled) if 'processed' != 'read' then the * iwl->rxq is replenished and the READ INDEX is updated (updating the * 'processed' and 'read' driver indexes as well) * + A received packet is processed and handed to the kernel network stack, @@ -3900,28 +3889,28 @@ static void iwl_tx_cmd_complete(struct iwl_priv *priv, * * Driver sequence: * - * iwl_rx_queue_alloc() Allocates rx_free - * iwl_rx_replenish() Replenishes rx_free list from rx_used, and calls - * iwl_rx_queue_restock - * iwl_rx_queue_restock() Moves available buffers from rx_free into Rx + * 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 * queue, updates firmware pointers, and updates * the WRITE index. If insufficient rx_free buffers - * are available, schedules iwl_rx_replenish + * are available, schedules iwl3945_rx_replenish * * -- enable interrupts -- - * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the + * ISR - iwl3945_rx() Detach iwl3945_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 iwl_rx_queue_restock to refill any empty + * Calls iwl3945_rx_queue_restock to refill any empty * slots. * ... * */ /** - * iwl_rx_queue_space - Return number of free slots available in queue. + * iwl3945_rx_queue_space - Return number of free slots available in queue. */ -static int iwl_rx_queue_space(const struct iwl_rx_queue *q) +static int iwl3945_rx_queue_space(const struct iwl3945_rx_queue *q) { int s = q->read - q->write; if (s <= 0) @@ -3934,15 +3923,9 @@ static int iwl_rx_queue_space(const struct iwl_rx_queue *q) } /** - * iwl_rx_queue_update_write_ptr - Update the write pointer for the RX queue - * - * NOTE: This function has 3945 and 4965 specific code sections - * but is declared in base due to the majority of the - * implementation being the same (only a numeric constant is - * different) - * + * iwl3945_rx_queue_update_write_ptr - Update the write pointer for the RX queue */ -int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) +int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv, struct iwl3945_rx_queue *q) { u32 reg = 0; int rc = 0; @@ -3953,24 +3936,29 @@ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) 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); + reg = iwl3945_read32(priv, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - iwl_set_bit(priv, CSR_GP_CNTRL, + iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); goto exit_unlock; } - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) goto exit_unlock; - iwl_write_restricted(priv, FH_RSCSR_CHNL0_WPTR, + /* Device expects a multiple of 8 */ + iwl3945_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); + + /* Else device is assumed to be awake */ } else - iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); + /* Device expects a multiple of 8 */ + iwl3945_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); q->need_update = 0; @@ -3981,42 +3969,43 @@ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) } /** - * iwl_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer pointer. - * - * NOTE: This function has 3945 and 4965 specific code paths in it. + * iwl3945_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr */ -static inline __le32 iwl_dma_addr2rbd_ptr(struct iwl_priv *priv, +static inline __le32 iwl3945_dma_addr2rbd_ptr(struct iwl3945_priv *priv, dma_addr_t dma_addr) { return cpu_to_le32((u32)dma_addr); } /** - * iwl_rx_queue_restock - refill RX queue from pre-allocated pool + * iwl3945_rx_queue_restock - refill RX queue from pre-allocated pool * - * If there are slots in the RX queue that need to be restocked, + * If there are slots in the RX queue that need to be restocked, * and we have free pre-allocated buffers, fill the ranks as much - * as we can pulling from rx_free. + * as we can, pulling from rx_free. * * This moves the 'write' index forward to catch up with 'processed', and * also updates the memory address in the firmware to reference the new * target buffer. */ -int iwl_rx_queue_restock(struct iwl_priv *priv) +static int iwl3945_rx_queue_restock(struct iwl3945_priv *priv) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_queue *rxq = &priv->rxq; struct list_head *element; - struct iwl_rx_mem_buffer *rxb; + struct iwl3945_rx_mem_buffer *rxb; unsigned long flags; int write, rc; spin_lock_irqsave(&rxq->lock, flags); write = rxq->write & ~0x7; - while ((iwl_rx_queue_space(rxq) > 0) && (rxq->free_count)) { + while ((iwl3945_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); + rxb = list_entry(element, struct iwl3945_rx_mem_buffer, list); list_del(element); - rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->dma_addr); + + /* Point to Rx buffer via next RBD in circular buffer */ + rxq->bd[rxq->write] = iwl3945_dma_addr2rbd_ptr(priv, rxb->dma_addr); rxq->queue[rxq->write] = rxb; rxq->write = (rxq->write + 1) & RX_QUEUE_MASK; rxq->free_count--; @@ -4028,13 +4017,14 @@ int iwl_rx_queue_restock(struct iwl_priv *priv) queue_work(priv->workqueue, &priv->rx_replenish); - /* If we've added more space for the firmware to place data, tell it */ + /* If we've added more space for the firmware to place data, tell it. + * Increment device's write pointer in multiples of 8. */ if ((write != (rxq->write & ~0x7)) || (abs(rxq->write - rxq->read) > 7)) { spin_lock_irqsave(&rxq->lock, flags); rxq->need_update = 1; spin_unlock_irqrestore(&rxq->lock, flags); - rc = iwl_rx_queue_update_write_ptr(priv, rxq); + rc = iwl3945_rx_queue_update_write_ptr(priv, rxq); if (rc) return rc; } @@ -4043,24 +4033,25 @@ int iwl_rx_queue_restock(struct iwl_priv *priv) } /** - * iwl_rx_replensih - Move all used packet from rx_used to rx_free + * iwl3945_rx_replenish - Move all used packet from rx_used to rx_free * * When moving to rx_free an SKB is allocated for the slot. * - * Also restock the Rx queue via iwl_rx_queue_restock. - * This is called as a scheduled work item (except for during intialization) + * Also restock the Rx queue via iwl3945_rx_queue_restock. + * This is called as a scheduled work item (except for during initialization) */ -void iwl_rx_replenish(void *data) +static void iwl3945_rx_allocate(struct iwl3945_priv *priv) { - struct iwl_priv *priv = data; - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_queue *rxq = &priv->rxq; struct list_head *element; - struct iwl_rx_mem_buffer *rxb; + struct iwl3945_rx_mem_buffer *rxb; unsigned long flags; spin_lock_irqsave(&rxq->lock, flags); while (!list_empty(&rxq->rx_used)) { element = rxq->rx_used.next; - rxb = list_entry(element, struct iwl_rx_mem_buffer, list); + rxb = list_entry(element, struct iwl3945_rx_mem_buffer, list); + + /* Alloc a new receive buffer */ rxb->skb = alloc_skb(IWL_RX_BUF_SIZE, __GFP_NOWARN | GFP_ATOMIC); if (!rxb->skb) { @@ -4072,8 +4063,19 @@ void iwl_rx_replenish(void *data) * more buffers it will schedule replenish */ break; } + + /* If radiotap head is required, reserve some headroom here. + * The physical head count is a variable rx_stats->phy_count. + * We reserve 4 bytes here. Plus these extra bytes, the + * headroom of the physical head should be enough for the + * radiotap head that iwl3945 supported. See iwl3945_rt. + */ + skb_reserve(rxb->skb, 4); + priv->alloc_rxb_skb++; list_del(element); + + /* Get physical address of RB/SKB */ rxb->dma_addr = pci_map_single(priv->pci_dev, rxb->skb->data, IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); @@ -4081,18 +4083,38 @@ void iwl_rx_replenish(void *data) rxq->free_count++; } spin_unlock_irqrestore(&rxq->lock, flags); +} + +/* + * this should be called while priv->lock is locked + */ +static void __iwl3945_rx_replenish(void *data) +{ + struct iwl3945_priv *priv = data; + + iwl3945_rx_allocate(priv); + iwl3945_rx_queue_restock(priv); +} + + +void iwl3945_rx_replenish(void *data) +{ + struct iwl3945_priv *priv = data; + unsigned long flags; + + iwl3945_rx_allocate(priv); spin_lock_irqsave(&priv->lock, flags); - iwl_rx_queue_restock(priv); + iwl3945_rx_queue_restock(priv); 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 it's SKB set to NULL + * 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 */ -void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) +static void iwl3945_rx_queue_free(struct iwl3945_priv *priv, struct iwl3945_rx_queue *rxq) { int i; for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) { @@ -4109,21 +4131,25 @@ void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) rxq->bd = NULL; } -int iwl_rx_queue_alloc(struct iwl_priv *priv) +int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_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; @@ -4132,7 +4158,7 @@ int iwl_rx_queue_alloc(struct iwl_priv *priv) return 0; } -void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq) +void iwl3945_rx_queue_reset(struct iwl3945_priv *priv, struct iwl3945_rx_queue *rxq) { unsigned long flags; int i; @@ -4179,15 +4205,15 @@ static u8 ratio2dB[100] = { /* Calculates a relative dB value from a ratio of linear * (i.e. not dB) signal levels. * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ -int iwl_calc_db_from_ratio(int sig_ratio) +int iwl3945_calc_db_from_ratio(int sig_ratio) { - /* Anything above 1000:1 just report as 60 dB */ - if (sig_ratio > 1000) + /* 1000:1 or higher just report as 60 dB */ + if (sig_ratio >= 1000) return 60; - /* Above 100:1, divide by 10 and use table, + /* 100:1 or higher, divide by 10 and use table, * add 20 dB to make up for divide by 10 */ - if (sig_ratio > 100) + if (sig_ratio >= 100) return (20 + (int)ratio2dB[sig_ratio/10]); /* We shouldn't see this */ @@ -4205,7 +4231,7 @@ int iwl_calc_db_from_ratio(int sig_ratio) /* Calculate an indication of rx signal quality (a percentage, not dBm!). * See http://www.ces.clemson.edu/linux/signal_quality.shtml for info * about formulas used below. */ -int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm) +int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm) { int sig_qual; int degradation = PERFECT_RSSI - rssi_dbm; @@ -4240,24 +4266,30 @@ int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm) } /** - * iwl_rx_handle - Main entry function for receiving responses from the uCode + * iwl3945_rx_handle - Main entry function for receiving responses from uCode * * Uses the priv->rx_handlers callback function array to invoke * the appropriate handlers, including command responses, * frame-received notifications, and other notifications. */ -static void iwl_rx_handle(struct iwl_priv *priv) +static void iwl3945_rx_handle(struct iwl3945_priv *priv) { - struct iwl_rx_mem_buffer *rxb; - struct iwl_rx_packet *pkt; - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_mem_buffer *rxb; + struct iwl3945_rx_packet *pkt; + struct iwl3945_rx_queue *rxq = &priv->rxq; u32 r, i; int reclaim; unsigned long flags; + u8 fill_rx = 0; + u32 count = 0; - r = iwl_hw_get_rx_read(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); i = rxq->read; + if (iwl3945_rx_queue_space(rxq) > (RX_QUEUE_SIZE / 2)) + fill_rx = 1; /* Rx interrupt, but nothing sent from uCode */ if (i == r) IWL_DEBUG(IWL_DL_RX | IWL_DL_ISR, "r = %d, i = %d\n", r, i); @@ -4265,7 +4297,7 @@ static void iwl_rx_handle(struct iwl_priv *priv) while (i != r) { rxb = rxq->queue[i]; - /* If an RXB doesn't have a queue slot associated with it + /* If an RXB doesn't have a Rx queue slot associated with it, * then a bug has been introduced in the queue refilling * routines -- catch it here */ BUG_ON(rxb == NULL); @@ -4275,7 +4307,7 @@ static void iwl_rx_handle(struct iwl_priv *priv) pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr, IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - pkt = (struct iwl_rx_packet *)rxb->skb->data; + pkt = (struct iwl3945_rx_packet *)rxb->skb->data; /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. @@ -4289,7 +4321,7 @@ static void iwl_rx_handle(struct iwl_priv *priv) /* Based on type of command response or notification, * handle those that need handling via function in - * rx_handlers table. See iwl_setup_rx_handlers() */ + * rx_handlers table. See iwl3945_setup_rx_handlers() */ if (priv->rx_handlers[pkt->hdr.cmd]) { IWL_DEBUG(IWL_DL_HOST_COMMAND | IWL_DL_RX | IWL_DL_ISR, "r = %d, i = %d, %s, 0x%02x\n", r, i, @@ -4304,11 +4336,11 @@ static void iwl_rx_handle(struct iwl_priv *priv) } if (reclaim) { - /* Invoke any callbacks, transfer the skb to caller, - * and fire off the (possibly) blocking iwl_send_cmd() + /* Invoke any callbacks, transfer the skb to caller, and + * fire off the (possibly) blocking iwl3945_send_cmd() * as we reclaim the driver command queue */ if (rxb && rxb->skb) - iwl_tx_cmd_complete(priv, rxb); + iwl3945_tx_cmd_complete(priv, rxb); else IWL_WARNING("Claim null rxb?\n"); } @@ -4328,15 +4360,28 @@ static void iwl_rx_handle(struct iwl_priv *priv) list_add_tail(&rxb->list, &priv->rxq.rx_used); spin_unlock_irqrestore(&rxq->lock, flags); i = (i + 1) & RX_QUEUE_MASK; + /* If there are a lot of unused frames, + * restock the Rx queue so ucode won't assert. */ + if (fill_rx) { + count++; + if (count >= 8) { + priv->rxq.read = i; + __iwl3945_rx_replenish(priv); + count = 0; + } + } } /* Backtrack one entry */ priv->rxq.read = i; - iwl_rx_queue_restock(priv); + iwl3945_rx_queue_restock(priv); } -int iwl_tx_queue_update_write_ptr(struct iwl_priv *priv, - struct iwl_tx_queue *txq) +/** + * iwl3945_tx_queue_update_write_ptr - Send new write index to hardware + */ +static int iwl3945_tx_queue_update_write_ptr(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq) { u32 reg = 0; int rc = 0; @@ -4350,41 +4395,41 @@ int iwl_tx_queue_update_write_ptr(struct iwl_priv *priv, /* 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); + reg = iwl3945_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, + iwl3945_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_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; - iwl_write_restricted(priv, HBUS_TARG_WRPTR, - txq->q.first_empty | (txq_id << 8)); - iwl_release_restricted_access(priv); + iwl3945_write_direct32(priv, HBUS_TARG_WRPTR, + txq->q.write_ptr | (txq_id << 8)); + iwl3945_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.first_empty | (txq_id << 8)); + iwl3945_write32(priv, HBUS_TARG_WRPTR, + txq->q.write_ptr | (txq_id << 8)); txq->need_update = 0; return rc; } -#ifdef CONFIG_IWLWIFI_DEBUG -static void iwl_print_rx_config_cmd(struct iwl_rxon_cmd *rxon) +#ifdef CONFIG_IWL3945_DEBUG +static void iwl3945_print_rx_config_cmd(struct iwl3945_rxon_cmd *rxon) { DECLARE_MAC_BUF(mac); IWL_DEBUG_RADIO("RX CONFIG:\n"); - iwl_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon)); + iwl3945_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon)); IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel)); IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags)); IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n", @@ -4401,24 +4446,24 @@ static void iwl_print_rx_config_cmd(struct iwl_rxon_cmd *rxon) } #endif -static void iwl_enable_interrupts(struct iwl_priv *priv) +static void iwl3945_enable_interrupts(struct iwl3945_priv *priv) { IWL_DEBUG_ISR("Enabling interrupts\n"); set_bit(STATUS_INT_ENABLED, &priv->status); - iwl_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK); + iwl3945_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK); } -static inline void iwl_disable_interrupts(struct iwl_priv *priv) +static inline void iwl3945_disable_interrupts(struct iwl3945_priv *priv) { clear_bit(STATUS_INT_ENABLED, &priv->status); /* disable interrupts from uCode/NIC to host */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); + iwl3945_write32(priv, CSR_INT_MASK, 0x00000000); /* acknowledge/clear/reset any interrupts still pending * from uCode or flow handler (Rx/Tx DMA) */ - iwl_write32(priv, CSR_INT, 0xffffffff); - iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); + iwl3945_write32(priv, CSR_INT, 0xffffffff); + iwl3945_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); IWL_DEBUG_ISR("Disabled interrupts\n"); } @@ -4445,7 +4490,7 @@ static const char *desc_lookup(int i) #define ERROR_START_OFFSET (1 * sizeof(u32)) #define ERROR_ELEM_SIZE (7 * sizeof(u32)) -static void iwl_dump_nic_error_log(struct iwl_priv *priv) +static void iwl3945_dump_nic_error_log(struct iwl3945_priv *priv) { u32 i; u32 desc, time, count, base, data1; @@ -4454,18 +4499,18 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv) base = le32_to_cpu(priv->card_alive.error_event_table_ptr); - if (!iwl_hw_valid_rtc_data_addr(base)) { + if (!iwl3945_hw_valid_rtc_data_addr(base)) { IWL_ERROR("Not valid error log pointer 0x%08X\n", base); return; } - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { IWL_WARNING("Can not read from adapter at this time.\n"); return; } - count = iwl_read_restricted_mem(priv, base); + count = iwl3945_read_targ_mem(priv, base); if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { IWL_ERROR("Start IWL Error Log Dump:\n"); @@ -4478,19 +4523,19 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv) for (i = ERROR_START_OFFSET; i < (count * ERROR_ELEM_SIZE) + ERROR_START_OFFSET; i += ERROR_ELEM_SIZE) { - desc = iwl_read_restricted_mem(priv, base + i); + desc = iwl3945_read_targ_mem(priv, base + i); time = - iwl_read_restricted_mem(priv, base + i + 1 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 1 * sizeof(u32)); blink1 = - iwl_read_restricted_mem(priv, base + i + 2 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 2 * sizeof(u32)); blink2 = - iwl_read_restricted_mem(priv, base + i + 3 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 3 * sizeof(u32)); ilink1 = - iwl_read_restricted_mem(priv, base + i + 4 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 4 * sizeof(u32)); ilink2 = - iwl_read_restricted_mem(priv, base + i + 5 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 5 * sizeof(u32)); data1 = - iwl_read_restricted_mem(priv, base + i + 6 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 6 * sizeof(u32)); IWL_ERROR ("%-13s (#%d) %010u 0x%05X 0x%05X 0x%05X 0x%05X %u\n\n", @@ -4498,18 +4543,18 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv) ilink1, ilink2, data1); } - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } -#define EVENT_START_OFFSET (4 * sizeof(u32)) +#define EVENT_START_OFFSET (6 * sizeof(u32)) /** - * iwl_print_event_log - Dump error event log to syslog + * iwl3945_print_event_log - Dump error event log to syslog * - * NOTE: Must be called with iwl_grab_restricted_access() already obtained! + * NOTE: Must be called with iwl3945_grab_nic_access() already obtained! */ -static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, +static void iwl3945_print_event_log(struct iwl3945_priv *priv, u32 start_idx, u32 num_events, u32 mode) { u32 i; @@ -4533,21 +4578,21 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read_restricted_mem(priv, ptr); + ev = iwl3945_read_targ_mem(priv, ptr); ptr += sizeof(u32); - time = iwl_read_restricted_mem(priv, ptr); + time = iwl3945_read_targ_mem(priv, ptr); ptr += sizeof(u32); if (mode == 0) IWL_ERROR("0x%08x\t%04u\n", time, ev); /* data, ev */ else { - data = iwl_read_restricted_mem(priv, ptr); + data = iwl3945_read_targ_mem(priv, ptr); ptr += sizeof(u32); IWL_ERROR("%010u\t0x%08x\t%04u\n", time, data, ev); } } } -static void iwl_dump_nic_event_log(struct iwl_priv *priv) +static void iwl3945_dump_nic_event_log(struct iwl3945_priv *priv) { int rc; u32 base; /* SRAM byte address of event log header */ @@ -4558,29 +4603,29 @@ static void iwl_dump_nic_event_log(struct iwl_priv *priv) u32 size; /* # entries that we'll print */ base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - if (!iwl_hw_valid_rtc_data_addr(base)) { + if (!iwl3945_hw_valid_rtc_data_addr(base)) { IWL_ERROR("Invalid event log pointer 0x%08X\n", base); return; } - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { IWL_WARNING("Can not read from adapter at this time.\n"); return; } /* event log header */ - capacity = iwl_read_restricted_mem(priv, base); - mode = iwl_read_restricted_mem(priv, base + (1 * sizeof(u32))); - num_wraps = iwl_read_restricted_mem(priv, base + (2 * sizeof(u32))); - next_entry = iwl_read_restricted_mem(priv, base + (3 * sizeof(u32))); + capacity = iwl3945_read_targ_mem(priv, base); + mode = iwl3945_read_targ_mem(priv, base + (1 * sizeof(u32))); + num_wraps = iwl3945_read_targ_mem(priv, base + (2 * sizeof(u32))); + next_entry = iwl3945_read_targ_mem(priv, base + (3 * sizeof(u32))); size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ if (size == 0) { IWL_ERROR("Start IWL Event Log Dump: nothing in log\n"); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return; } @@ -4590,31 +4635,31 @@ static void iwl_dump_nic_event_log(struct iwl_priv *priv) /* if uCode has wrapped back to top of log, start at the oldest entry, * i.e the next one that uCode would fill. */ if (num_wraps) - iwl_print_event_log(priv, next_entry, + iwl3945_print_event_log(priv, next_entry, capacity - next_entry, mode); /* (then/else) start at top of log */ - iwl_print_event_log(priv, 0, next_entry, mode); + iwl3945_print_event_log(priv, 0, next_entry, mode); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } /** - * iwl_irq_handle_error - called for HW or SW error interrupt from card + * iwl3945_irq_handle_error - called for HW or SW error interrupt from card */ -static void iwl_irq_handle_error(struct iwl_priv *priv) +static void iwl3945_irq_handle_error(struct iwl3945_priv *priv) { - /* Set the FW error flag -- cleared on iwl_down */ + /* Set the FW error flag -- cleared on iwl3945_down */ set_bit(STATUS_FW_ERROR, &priv->status); /* Cancel currently queued command. */ clear_bit(STATUS_HCMD_ACTIVE, &priv->status); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & IWL_DL_FW_ERRORS) { - iwl_dump_nic_error_log(priv); - iwl_dump_nic_event_log(priv); - iwl_print_rx_config_cmd(&priv->staging_rxon); +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & IWL_DL_FW_ERRORS) { + iwl3945_dump_nic_error_log(priv); + iwl3945_dump_nic_event_log(priv); + iwl3945_print_rx_config_cmd(&priv->staging_rxon); } #endif @@ -4628,7 +4673,7 @@ static void iwl_irq_handle_error(struct iwl_priv *priv) IWL_DEBUG(IWL_DL_INFO | IWL_DL_FW_ERRORS, "Restarting adapter due to uCode error.\n"); - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { memcpy(&priv->recovery_rxon, &priv->active_rxon, sizeof(priv->recovery_rxon)); priv->error_recovering = 1; @@ -4637,16 +4682,16 @@ static void iwl_irq_handle_error(struct iwl_priv *priv) } } -static void iwl_error_recovery(struct iwl_priv *priv) +static void iwl3945_error_recovery(struct iwl3945_priv *priv) { unsigned long flags; memcpy(&priv->staging_rxon, &priv->recovery_rxon, sizeof(priv->staging_rxon)); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); - iwl_add_station(priv, priv->bssid, 1, 0); + iwl3945_add_station(priv, priv->bssid, 1, 0); spin_lock_irqsave(&priv->lock, flags); priv->assoc_id = le16_to_cpu(priv->staging_rxon.assoc_id); @@ -4654,12 +4699,12 @@ static void iwl_error_recovery(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static void iwl_irq_tasklet(struct iwl_priv *priv) +static void iwl3945_irq_tasklet(struct iwl3945_priv *priv) { u32 inta, handled = 0; u32 inta_fh; unsigned long flags; -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG u32 inta_mask; #endif @@ -4668,18 +4713,19 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) /* Ack/clear/reset pending uCode interrupts. * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS, * and will clear only when CSR_FH_INT_STATUS gets cleared. */ - inta = iwl_read32(priv, CSR_INT); - iwl_write32(priv, CSR_INT, inta); + inta = iwl3945_read32(priv, CSR_INT); + iwl3945_write32(priv, CSR_INT, inta); /* Ack/clear/reset pending flow-handler (DMA) interrupts. * Any new interrupts that happen after this, either while we're * in this tasklet, or later, will show up in next ISR/tasklet. */ - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); - iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh); + inta_fh = iwl3945_read32(priv, CSR_FH_INT_STATUS); + iwl3945_write32(priv, CSR_FH_INT_STATUS, inta_fh); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & IWL_DL_ISR) { - inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & IWL_DL_ISR) { + /* just for debug */ + inta_mask = iwl3945_read32(priv, CSR_INT_MASK); IWL_DEBUG_ISR("inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", inta, inta_mask, inta_fh); } @@ -4699,9 +4745,9 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) IWL_ERROR("Microcode HW error detected. Restarting.\n"); /* Tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); + iwl3945_disable_interrupts(priv); - iwl_irq_handle_error(priv); + iwl3945_irq_handle_error(priv); handled |= CSR_INT_BIT_HW_ERR; @@ -4710,11 +4756,12 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) return; } -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & (IWL_DL_ISR)) { +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & (IWL_DL_ISR)) { /* NIC fires this, but we don't use it, redundant with WAKEUP */ - if (inta & CSR_INT_BIT_MAC_CLK_ACTV) - IWL_DEBUG_ISR("Microcode started or stopped.\n"); + if (inta & CSR_INT_BIT_SCD) + IWL_DEBUG_ISR("Scheduler finished to transmit " + "the frame/frames.\n"); /* Alive notification via Rx interrupt will do the real work */ if (inta & CSR_INT_BIT_ALIVE) @@ -4722,12 +4769,12 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) } #endif /* Safely ignore these bits for debug checks below */ - inta &= ~(CSR_INT_BIT_MAC_CLK_ACTV | CSR_INT_BIT_ALIVE); + inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE); /* HW RF KILL switch toggled (4965 only) */ if (inta & CSR_INT_BIT_RF_KILL) { int hw_rf_kill = 0; - if (!(iwl_read32(priv, CSR_GP_CNTRL) & + if (!(iwl3945_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) hw_rf_kill = 1; @@ -4739,8 +4786,10 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) * when we loaded driver, and is now set to "enable". * After we're Alive, RF_KILL gets handled by * iwl_rx_card_state_notif() */ - if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) + if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) { + clear_bit(STATUS_RF_KILL_HW, &priv->status); queue_work(priv->workqueue, &priv->restart); + } handled |= CSR_INT_BIT_RF_KILL; } @@ -4755,20 +4804,20 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) if (inta & CSR_INT_BIT_SW_ERR) { IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n", inta); - iwl_irq_handle_error(priv); + iwl3945_irq_handle_error(priv); handled |= CSR_INT_BIT_SW_ERR; } /* uCode wakes up after power-down sleep */ if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR("Wakeup interrupt\n"); - iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[0]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[1]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[2]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[3]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[4]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[5]); + iwl3945_rx_queue_update_write_ptr(priv, &priv->rxq); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[0]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[1]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[2]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[3]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[4]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[5]); handled |= CSR_INT_BIT_WAKEUP; } @@ -4777,19 +4826,19 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) * Rx "responses" (frame-received notification), and other * notifications from uCode come through here*/ if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { - iwl_rx_handle(priv); + iwl3945_rx_handle(priv); handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); } if (inta & CSR_INT_BIT_FH_TX) { IWL_DEBUG_ISR("Tx interrupt\n"); - iwl_write32(priv, CSR_FH_INT_STATUS, (1 << 6)); - if (!iwl_grab_restricted_access(priv)) { - iwl_write_restricted(priv, + iwl3945_write32(priv, CSR_FH_INT_STATUS, (1 << 6)); + if (!iwl3945_grab_nic_access(priv)) { + iwl3945_write_direct32(priv, FH_TCSR_CREDIT (ALM_FH_SRVC_CHNL), 0x0); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } handled |= CSR_INT_BIT_FH_TX; } @@ -4804,13 +4853,13 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) } /* Re-enable all interrupts */ - iwl_enable_interrupts(priv); + iwl3945_enable_interrupts(priv); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & (IWL_DL_ISR)) { - inta = iwl_read32(priv, CSR_INT); - inta_mask = iwl_read32(priv, CSR_INT_MASK); - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & (IWL_DL_ISR)) { + inta = iwl3945_read32(priv, CSR_INT); + inta_mask = iwl3945_read32(priv, CSR_INT_MASK); + inta_fh = iwl3945_read32(priv, CSR_FH_INT_STATUS); IWL_DEBUG_ISR("End inta 0x%08x, enabled 0x%08x, fh 0x%08x, " "flags 0x%08lx\n", inta, inta_mask, inta_fh, flags); } @@ -4818,9 +4867,9 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static irqreturn_t iwl_isr(int irq, void *data) +static irqreturn_t iwl3945_isr(int irq, void *data) { - struct iwl_priv *priv = data; + struct iwl3945_priv *priv = data; u32 inta, inta_mask; u32 inta_fh; if (!priv) @@ -4832,12 +4881,12 @@ static irqreturn_t iwl_isr(int irq, void *data) * back-to-back ISRs and sporadic interrupts from our NIC. * If we have something to service, the tasklet will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ - inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); + inta_mask = iwl3945_read32(priv, CSR_INT_MASK); /* just for debug */ + iwl3945_write32(priv, CSR_INT_MASK, 0x00000000); /* Discover which interrupts are active/pending */ - inta = iwl_read32(priv, CSR_INT); - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); + inta = iwl3945_read32(priv, CSR_INT); + inta_fh = iwl3945_read32(priv, CSR_FH_INT_STATUS); /* Ignore interrupt if there's nothing in NIC to service. * This may be due to IRQ shared with another device, @@ -4856,8 +4905,11 @@ static irqreturn_t iwl_isr(int irq, void *data) IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", inta, inta_mask, inta_fh); - /* iwl_irq_tasklet() will service interrupts and re-enable them */ - tasklet_schedule(&priv->irq_tasklet); + inta &= ~CSR_INT_BIT_SCD; + + /* iwl3945_irq_tasklet() will service interrupts and re-enable them */ + if (likely(inta || inta_fh)) + tasklet_schedule(&priv->irq_tasklet); unplugged: spin_unlock(&priv->lock); @@ -4865,18 +4917,18 @@ unplugged: none: /* re-enable interrupts here since we don't have anything to service. */ - iwl_enable_interrupts(priv); + iwl3945_enable_interrupts(priv); spin_unlock(&priv->lock); return IRQ_NONE; } /************************** EEPROM BANDS **************************** * - * The iwl_eeprom_band definitions below provide the mapping from the + * The iwl3945_eeprom_band definitions below provide the mapping from the * EEPROM contents to the specific channel number supported for each * band. * - * For example, iwl_priv->eeprom.band_3_channels[4] from the band_3 + * For example, iwl3945_priv->eeprom.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. @@ -4902,58 +4954,58 @@ unplugged: *********************************************************************/ /* 2.4 GHz */ -static const u8 iwl_eeprom_band_1[14] = { +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 iwl_eeprom_band_2[] = { +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 iwl_eeprom_band_3[] = { /* 5205-5320MHz */ +static const u8 iwl3945_eeprom_band_3[] = { /* 5170-5320MHz */ 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 }; -static const u8 iwl_eeprom_band_4[] = { /* 5500-5700MHz */ +static const u8 iwl3945_eeprom_band_4[] = { /* 5500-5700MHz */ 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 }; -static const u8 iwl_eeprom_band_5[] = { /* 5725-5825MHz */ +static const u8 iwl3945_eeprom_band_5[] = { /* 5725-5825MHz */ 145, 149, 153, 157, 161, 165 }; -static void iwl_init_band_reference(const struct iwl_priv *priv, int band, +static void iwl3945_init_band_reference(const struct iwl3945_priv *priv, int band, int *eeprom_ch_count, - const struct iwl_eeprom_channel + const struct iwl3945_eeprom_channel **eeprom_ch_info, const u8 **eeprom_ch_index) { switch (band) { case 1: /* 2.4GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1); + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_1); *eeprom_ch_info = priv->eeprom.band_1_channels; - *eeprom_ch_index = iwl_eeprom_band_1; + *eeprom_ch_index = iwl3945_eeprom_band_1; break; - case 2: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2); + case 2: /* 4.9GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_2); *eeprom_ch_info = priv->eeprom.band_2_channels; - *eeprom_ch_index = iwl_eeprom_band_2; + *eeprom_ch_index = iwl3945_eeprom_band_2; break; case 3: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3); + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_3); *eeprom_ch_info = priv->eeprom.band_3_channels; - *eeprom_ch_index = iwl_eeprom_band_3; + *eeprom_ch_index = iwl3945_eeprom_band_3; break; - case 4: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4); + case 4: /* 5.5GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_4); *eeprom_ch_info = priv->eeprom.band_4_channels; - *eeprom_ch_index = iwl_eeprom_band_4; + *eeprom_ch_index = iwl3945_eeprom_band_4; break; - case 5: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5); + case 5: /* 5.7GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_5); *eeprom_ch_info = priv->eeprom.band_5_channels; - *eeprom_ch_index = iwl_eeprom_band_5; + *eeprom_ch_index = iwl3945_eeprom_band_5; break; default: BUG(); @@ -4961,7 +5013,12 @@ static void iwl_init_band_reference(const struct iwl_priv *priv, int band, } } -const struct iwl_channel_info *iwl_get_channel_info(const struct iwl_priv *priv, +/** + * iwl3945_get_channel_info - Find driver's private channel info + * + * Based on band and channel number. + */ +const struct iwl3945_channel_info *iwl3945_get_channel_info(const struct iwl3945_priv *priv, int phymode, u16 channel) { int i; @@ -4988,13 +5045,16 @@ const struct iwl_channel_info *iwl_get_channel_info(const struct iwl_priv *priv, #define CHECK_AND_PRINT(x) ((eeprom_ch_info[ch].flags & EEPROM_CHANNEL_##x) \ ? # x " " : "") -static int iwl_init_channel_map(struct iwl_priv *priv) +/** + * iwl3945_init_channel_map - Set up driver's info for all possible channels + */ +static int iwl3945_init_channel_map(struct iwl3945_priv *priv) { int eeprom_ch_count = 0; const u8 *eeprom_ch_index = NULL; - const struct iwl_eeprom_channel *eeprom_ch_info = NULL; + const struct iwl3945_eeprom_channel *eeprom_ch_info = NULL; int band, ch; - struct iwl_channel_info *ch_info; + struct iwl3945_channel_info *ch_info; if (priv->channel_count) { IWL_DEBUG_INFO("Channel map already initialized.\n"); @@ -5010,15 +5070,15 @@ static int iwl_init_channel_map(struct iwl_priv *priv) IWL_DEBUG_INFO("Initializing regulatory info from EEPROM\n"); priv->channel_count = - ARRAY_SIZE(iwl_eeprom_band_1) + - ARRAY_SIZE(iwl_eeprom_band_2) + - ARRAY_SIZE(iwl_eeprom_band_3) + - ARRAY_SIZE(iwl_eeprom_band_4) + - ARRAY_SIZE(iwl_eeprom_band_5); + 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_info = kzalloc(sizeof(struct iwl3945_channel_info) * priv->channel_count, GFP_KERNEL); if (!priv->channel_info) { IWL_ERROR("Could not allocate channel_info\n"); @@ -5033,7 +5093,7 @@ static int iwl_init_channel_map(struct iwl_priv *priv) * what just in the EEPROM) */ for (band = 1; band <= 5; band++) { - iwl_init_band_reference(priv, band, &eeprom_ch_count, + iwl3945_init_band_reference(priv, band, &eeprom_ch_count, &eeprom_ch_info, &eeprom_ch_index); /* Loop through each band adding each of the channels */ @@ -5097,12 +5157,22 @@ static int iwl_init_channel_map(struct iwl_priv *priv) } } + /* 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 iwl3945_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. */ @@ -5126,7 +5196,7 @@ static int iwl_init_channel_map(struct iwl_priv *priv) #define IWL_PASSIVE_DWELL_BASE (100) #define IWL_CHANNEL_TUNE_TIME 5 -static inline u16 iwl_get_active_dwell_time(struct iwl_priv *priv, int phymode) +static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv, int phymode) { if (phymode == MODE_IEEE80211A) return IWL_ACTIVE_DWELL_TIME_52; @@ -5134,14 +5204,14 @@ static inline u16 iwl_get_active_dwell_time(struct iwl_priv *priv, int phymode) return IWL_ACTIVE_DWELL_TIME_24; } -static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv, int phymode) +static u16 iwl3945_get_passive_dwell_time(struct iwl3945_priv *priv, int phymode) { - u16 active = iwl_get_active_dwell_time(priv, phymode); + u16 active = iwl3945_get_active_dwell_time(priv, phymode); u16 passive = (phymode != MODE_IEEE80211A) ? IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 : IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52; - if (iwl_is_associated(priv)) { + 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) */ @@ -5157,30 +5227,30 @@ static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv, int phymode) return passive; } -static int iwl_get_channels_for_scan(struct iwl_priv *priv, int phymode, +static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv, int phymode, u8 is_active, u8 direct_mask, - struct iwl_scan_channel *scan_ch) + struct iwl3945_scan_channel *scan_ch) { const struct ieee80211_channel *channels = NULL; const struct ieee80211_hw_mode *hw_mode; - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; u16 passive_dwell = 0; u16 active_dwell = 0; int added, i; - hw_mode = iwl_get_hw_mode(priv, phymode); + hw_mode = iwl3945_get_hw_mode(priv, phymode); if (!hw_mode) return 0; channels = hw_mode->channels; - active_dwell = iwl_get_active_dwell_time(priv, phymode); - passive_dwell = iwl_get_passive_dwell_time(priv, phymode); + active_dwell = iwl3945_get_active_dwell_time(priv, phymode); + passive_dwell = iwl3945_get_passive_dwell_time(priv, phymode); for (i = 0, added = 0; i < hw_mode->num_channels; i++) { if (channels[i].chan == le16_to_cpu(priv->active_rxon.channel)) { - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { IWL_DEBUG_SCAN ("Skipping current channel %d\n", le16_to_cpu(priv->active_rxon.channel)); @@ -5191,7 +5261,7 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, int phymode, scan_ch->channel = channels[i].chan; - ch_info = iwl_get_channel_info(priv, phymode, scan_ch->channel); + ch_info = iwl3945_get_channel_info(priv, phymode, scan_ch->channel); if (!is_channel_valid(ch_info)) { IWL_DEBUG_SCAN("Channel %d is INVALID for this SKU.\n", scan_ch->channel); @@ -5213,7 +5283,7 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, int phymode, scan_ch->active_dwell = cpu_to_le16(active_dwell); scan_ch->passive_dwell = cpu_to_le16(passive_dwell); - /* Set power levels to defaults */ + /* Set txpower levels to defaults */ scan_ch->tpc.dsp_atten = 110; /* scan_pwr_info->tpc.dsp_atten; */ @@ -5223,8 +5293,8 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, int phymode, else { scan_ch->tpc.tx_gain = ((1 << 5) | (5 << 3)); /* NOTE: if we were doing 6Mb OFDM for scans we'd use - * power level - scan_ch->tpc.tx_gain = ((1<<5) | (2 << 3)) | 3; + * power level: + * scan_ch->tpc.tx_gain = ((1 << 5) | (2 << 3)) | 3; */ } @@ -5242,7 +5312,7 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, int phymode, return added; } -static void iwl_reset_channel_flag(struct iwl_priv *priv) +static void iwl3945_reset_channel_flag(struct iwl3945_priv *priv) { int i, j; for (i = 0; i < 3; i++) { @@ -5252,13 +5322,13 @@ static void iwl_reset_channel_flag(struct iwl_priv *priv) } } -static void iwl_init_hw_rates(struct iwl_priv *priv, +static void iwl3945_init_hw_rates(struct iwl3945_priv *priv, struct ieee80211_rate *rates) { int i; for (i = 0; i < IWL_RATE_COUNT; i++) { - rates[i].rate = iwl_rates[i].ieee * 5; + rates[i].rate = iwl3945_rates[i].ieee * 5; rates[i].val = i; /* Rate scaling will work on indexes */ rates[i].val2 = i; rates[i].flags = IEEE80211_RATE_SUPPORTED; @@ -5270,7 +5340,7 @@ static void iwl_init_hw_rates(struct iwl_priv *priv, * If CCK 1M then set rate flag to CCK else CCK_2 * which is CCK | PREAMBLE2 */ - rates[i].flags |= (iwl_rates[i].plcp == 10) ? + rates[i].flags |= (iwl3945_rates[i].plcp == 10) ? IEEE80211_RATE_CCK : IEEE80211_RATE_CCK_2; } @@ -5281,11 +5351,11 @@ static void iwl_init_hw_rates(struct iwl_priv *priv, } /** - * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom + * iwl3945_init_geos - Initialize mac80211's geo/channel info based from eeprom */ -static int iwl_init_geos(struct iwl_priv *priv) +static int iwl3945_init_geos(struct iwl3945_priv *priv) { - struct iwl_channel_info *ch; + struct iwl3945_channel_info *ch; struct ieee80211_hw_mode *modes; struct ieee80211_channel *channels; struct ieee80211_channel *geo_ch; @@ -5331,7 +5401,7 @@ static int iwl_init_geos(struct iwl_priv *priv) /* 5.2GHz channels start after the 2.4GHz channels */ modes[A].mode = MODE_IEEE80211A; - modes[A].channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; + modes[A].channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)]; modes[A].rates = &rates[4]; modes[A].num_rates = 8; /* just OFDM */ modes[A].num_channels = 0; @@ -5351,7 +5421,7 @@ static int iwl_init_geos(struct iwl_priv *priv) priv->ieee_channels = channels; priv->ieee_rates = rates; - iwl_init_hw_rates(priv, rates); + iwl3945_init_hw_rates(priv, rates); for (i = 0, geo_ch = channels; i < priv->channel_count; i++) { ch = &priv->channel_info[i]; @@ -5428,63 +5498,38 @@ static int iwl_init_geos(struct iwl_priv *priv) return 0; } +/* + * iwl3945_free_geos - undo allocations in iwl3945_init_geos + */ +static void iwl3945_free_geos(struct iwl3945_priv *priv) +{ + kfree(priv->modes); + kfree(priv->ieee_channels); + kfree(priv->ieee_rates); + clear_bit(STATUS_GEO_CONFIGURED, &priv->status); +} + /****************************************************************************** * * uCode download functions * ******************************************************************************/ -static void iwl_dealloc_ucode_pci(struct iwl_priv *priv) +static void iwl3945_dealloc_ucode_pci(struct iwl3945_priv *priv) { - if (priv->ucode_code.v_addr != NULL) { - pci_free_consistent(priv->pci_dev, - priv->ucode_code.len, - priv->ucode_code.v_addr, - priv->ucode_code.p_addr); - priv->ucode_code.v_addr = NULL; - } - if (priv->ucode_data.v_addr != NULL) { - pci_free_consistent(priv->pci_dev, - priv->ucode_data.len, - priv->ucode_data.v_addr, - priv->ucode_data.p_addr); - priv->ucode_data.v_addr = NULL; - } - if (priv->ucode_data_backup.v_addr != NULL) { - pci_free_consistent(priv->pci_dev, - priv->ucode_data_backup.len, - priv->ucode_data_backup.v_addr, - priv->ucode_data_backup.p_addr); - priv->ucode_data_backup.v_addr = NULL; - } - if (priv->ucode_init.v_addr != NULL) { - pci_free_consistent(priv->pci_dev, - priv->ucode_init.len, - priv->ucode_init.v_addr, - priv->ucode_init.p_addr); - priv->ucode_init.v_addr = NULL; - } - if (priv->ucode_init_data.v_addr != NULL) { - pci_free_consistent(priv->pci_dev, - priv->ucode_init_data.len, - priv->ucode_init_data.v_addr, - priv->ucode_init_data.p_addr); - priv->ucode_init_data.v_addr = NULL; - } - if (priv->ucode_boot.v_addr != NULL) { - pci_free_consistent(priv->pci_dev, - priv->ucode_boot.len, - priv->ucode_boot.v_addr, - priv->ucode_boot.p_addr); - priv->ucode_boot.v_addr = NULL; - } + iwl_free_fw_desc(priv->pci_dev, &priv->ucode_code); + iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data); + iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data_backup); + iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init); + iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init_data); + iwl_free_fw_desc(priv->pci_dev, &priv->ucode_boot); } /** - * iwl_verify_inst_full - verify runtime uCode image in card vs. host, + * iwl3945_verify_inst_full - verify runtime uCode image in card vs. host, * looking at all data. */ -static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 * image, u32 len) +static int iwl3945_verify_inst_full(struct iwl3945_priv *priv, __le32 * image, u32 len) { u32 val; u32 save_len = len; @@ -5493,18 +5538,18 @@ static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 * image, u32 len) IWL_DEBUG_INFO("ucode inst image size is %u\n", len); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; - iwl_write_restricted(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND); + iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND); errcnt = 0; for (; len > 0; len -= sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - val = _iwl_read_restricted(priv, HBUS_TARG_MEM_RDAT); + val = _iwl3945_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { IWL_ERROR("uCode INST section is invalid at " "offset 0x%x, is 0x%x, s/b 0x%x\n", @@ -5516,22 +5561,21 @@ static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 * image, u32 len) } } - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); if (!errcnt) - IWL_DEBUG_INFO - ("ucode image in INSTRUCTION memory is good\n"); + IWL_DEBUG_INFO("ucode image in INSTRUCTION memory is good\n"); return rc; } /** - * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host, + * iwl3945_verify_inst_sparse - verify runtime uCode image in card vs. host, * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) +static int iwl3945_verify_inst_sparse(struct iwl3945_priv *priv, __le32 *image, u32 len) { u32 val; int rc = 0; @@ -5540,7 +5584,7 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) IWL_DEBUG_INFO("ucode inst image size is %u\n", len); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; @@ -5548,9 +5592,9 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_restricted(priv, HBUS_TARG_MEM_RADDR, + iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, i + RTC_INST_LOWER_BOUND); - val = _iwl_read_restricted(priv, HBUS_TARG_MEM_RDAT); + val = _iwl3945_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { #if 0 /* Enable this if you want to see details */ IWL_ERROR("uCode INST section is invalid at " @@ -5564,17 +5608,17 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) } } - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return rc; } /** - * iwl_verify_ucode - determine which instruction image is in SRAM, + * iwl3945_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_priv *priv) +static int iwl3945_verify_ucode(struct iwl3945_priv *priv) { __le32 *image; u32 len; @@ -5583,7 +5627,7 @@ static int iwl_verify_ucode(struct iwl_priv *priv) /* Try bootstrap */ image = (__le32 *)priv->ucode_boot.v_addr; len = priv->ucode_boot.len; - rc = iwl_verify_inst_sparse(priv, image, len); + rc = iwl3945_verify_inst_sparse(priv, image, len); if (rc == 0) { IWL_DEBUG_INFO("Bootstrap uCode is good in inst SRAM\n"); return 0; @@ -5592,7 +5636,7 @@ static int iwl_verify_ucode(struct iwl_priv *priv) /* Try initialize */ image = (__le32 *)priv->ucode_init.v_addr; len = priv->ucode_init.len; - rc = iwl_verify_inst_sparse(priv, image, len); + rc = iwl3945_verify_inst_sparse(priv, image, len); if (rc == 0) { IWL_DEBUG_INFO("Initialize uCode is good in inst SRAM\n"); return 0; @@ -5601,7 +5645,7 @@ static int iwl_verify_ucode(struct iwl_priv *priv) /* Try runtime/protocol */ image = (__le32 *)priv->ucode_code.v_addr; len = priv->ucode_code.len; - rc = iwl_verify_inst_sparse(priv, image, len); + rc = iwl3945_verify_inst_sparse(priv, image, len); if (rc == 0) { IWL_DEBUG_INFO("Runtime uCode is good in inst SRAM\n"); return 0; @@ -5609,18 +5653,19 @@ static int iwl_verify_ucode(struct iwl_priv *priv) IWL_ERROR("NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n"); - /* Show first several data entries in instruction SRAM. - * Selection of bootstrap image is arbitrary. */ + /* Since nothing seems to match, show first several data entries in + * instruction SRAM, so maybe visual inspection will give a clue. + * Selection of bootstrap image (vs. other images) is arbitrary. */ image = (__le32 *)priv->ucode_boot.v_addr; len = priv->ucode_boot.len; - rc = iwl_verify_inst_full(priv, image, len); + rc = iwl3945_verify_inst_full(priv, image, len); return rc; } /* check contents of special bootstrap uCode SRAM */ -static int iwl_verify_bsm(struct iwl_priv *priv) +static int iwl3945_verify_bsm(struct iwl3945_priv *priv) { __le32 *image = priv->ucode_boot.v_addr; u32 len = priv->ucode_boot.len; @@ -5630,11 +5675,11 @@ static int iwl_verify_bsm(struct iwl_priv *priv) IWL_DEBUG_INFO("Begin verify bsm\n"); /* verify BSM SRAM contents */ - val = iwl_read_restricted_reg(priv, BSM_WR_DWCOUNT_REG); + val = iwl3945_read_prph(priv, BSM_WR_DWCOUNT_REG); for (reg = BSM_SRAM_LOWER_BOUND; reg < BSM_SRAM_LOWER_BOUND + len; reg += sizeof(u32), image ++) { - val = iwl_read_restricted_reg(priv, reg); + val = iwl3945_read_prph(priv, reg); if (val != le32_to_cpu(*image)) { IWL_ERROR("BSM uCode verification failed at " "addr 0x%08X+%u (of %u), is 0x%x, s/b 0x%x\n", @@ -5651,7 +5696,7 @@ static int iwl_verify_bsm(struct iwl_priv *priv) } /** - * iwl_load_bsm - Load bootstrap instructions + * iwl3945_load_bsm - Load bootstrap instructions * * BSM operation: * @@ -5682,7 +5727,7 @@ static int iwl_verify_bsm(struct iwl_priv *priv) * the runtime uCode instructions and the backup data cache into SRAM, * and re-launches the runtime uCode from where it left off. */ -static int iwl_load_bsm(struct iwl_priv *priv) +static int iwl3945_load_bsm(struct iwl3945_priv *priv) { __le32 *image = priv->ucode_boot.v_addr; u32 len = priv->ucode_boot.len; @@ -5702,8 +5747,8 @@ static int iwl_load_bsm(struct iwl_priv *priv) return -EINVAL; /* Tell bootstrap uCode where to find the "Initialize" uCode - * in host DRAM ... bits 31:0 for 3945, bits 35:4 for 4965. - * NOTE: iwl_initialize_alive_start() will replace these values, + * in host DRAM ... host DRAM physical address bits 31:0 for 3945. + * NOTE: iwl3945_initialize_alive_start() will replace these values, * after the "initialize" uCode has run, to point to * runtime/protocol instructions and backup data cache. */ pinst = priv->ucode_init.p_addr; @@ -5711,42 +5756,42 @@ static int iwl_load_bsm(struct iwl_priv *priv) inst_len = priv->ucode_init.len; data_len = priv->ucode_init_data.len; - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; - iwl_write_restricted_reg(priv, BSM_DRAM_INST_PTR_REG, pinst); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_PTR_REG, pdata); - iwl_write_restricted_reg(priv, BSM_DRAM_INST_BYTECOUNT_REG, inst_len); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_BYTECOUNT_REG, data_len); + iwl3945_write_prph(priv, BSM_DRAM_INST_PTR_REG, pinst); + iwl3945_write_prph(priv, BSM_DRAM_DATA_PTR_REG, pdata); + iwl3945_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG, inst_len); + iwl3945_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG, data_len); /* Fill BSM memory with bootstrap instructions */ for (reg_offset = BSM_SRAM_LOWER_BOUND; reg_offset < BSM_SRAM_LOWER_BOUND + len; reg_offset += sizeof(u32), image++) - _iwl_write_restricted_reg(priv, reg_offset, + _iwl3945_write_prph(priv, reg_offset, le32_to_cpu(*image)); - rc = iwl_verify_bsm(priv); + rc = iwl3945_verify_bsm(priv); if (rc) { - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return rc; } /* Tell BSM to copy from BSM SRAM into instruction SRAM, when asked */ - iwl_write_restricted_reg(priv, BSM_WR_MEM_SRC_REG, 0x0); - iwl_write_restricted_reg(priv, BSM_WR_MEM_DST_REG, + iwl3945_write_prph(priv, BSM_WR_MEM_SRC_REG, 0x0); + iwl3945_write_prph(priv, BSM_WR_MEM_DST_REG, RTC_INST_LOWER_BOUND); - iwl_write_restricted_reg(priv, BSM_WR_DWCOUNT_REG, len / sizeof(u32)); + iwl3945_write_prph(priv, BSM_WR_DWCOUNT_REG, len / sizeof(u32)); /* Load bootstrap code into instruction SRAM now, * to prepare to load "initialize" uCode */ - iwl_write_restricted_reg(priv, BSM_WR_CTRL_REG, + iwl3945_write_prph(priv, BSM_WR_CTRL_REG, BSM_WR_CTRL_REG_BIT_START); /* Wait for load of bootstrap uCode to finish */ for (i = 0; i < 100; i++) { - done = iwl_read_restricted_reg(priv, BSM_WR_CTRL_REG); + done = iwl3945_read_prph(priv, BSM_WR_CTRL_REG); if (!(done & BSM_WR_CTRL_REG_BIT_START)) break; udelay(10); @@ -5760,29 +5805,29 @@ static int iwl_load_bsm(struct iwl_priv *priv) /* Enable future boot loads whenever power management unit triggers it * (e.g. when powering back up after power-save shutdown) */ - iwl_write_restricted_reg(priv, BSM_WR_CTRL_REG, + iwl3945_write_prph(priv, BSM_WR_CTRL_REG, BSM_WR_CTRL_REG_BIT_START_EN); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return 0; } -static void iwl_nic_start(struct iwl_priv *priv) +static void iwl3945_nic_start(struct iwl3945_priv *priv) { /* Remove all resets to allow NIC to operate */ - iwl_write32(priv, CSR_RESET, 0); + iwl3945_write32(priv, CSR_RESET, 0); } /** - * iwl_read_ucode - Read uCode images from disk file. + * iwl3945_read_ucode - Read uCode images from disk file. * * Copy into buffers for card to fetch via bus-mastering */ -static int iwl_read_ucode(struct iwl_priv *priv) +static int iwl3945_read_ucode(struct iwl3945_priv *priv) { - struct iwl_ucode *ucode; - int rc = 0; + struct iwl3945_ucode *ucode; + int ret = 0; const struct firmware *ucode_raw; /* firmware file name contains uCode/driver compatibility version */ const char *name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode"; @@ -5792,9 +5837,10 @@ static int iwl_read_ucode(struct iwl_priv *priv) /* Ask kernel firmware_class module to get the boot firmware off disk. * request_firmware() is synchronous, file is in memory on return. */ - rc = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); - if (rc < 0) { - IWL_ERROR("%s firmware file req failed: Reason %d\n", name, rc); + ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); + if (ret < 0) { + IWL_ERROR("%s firmware file req failed: Reason %d\n", + name, ret); goto error; } @@ -5804,7 +5850,7 @@ static int iwl_read_ucode(struct iwl_priv *priv) /* Make sure that we got at least our header! */ if (ucode_raw->size < sizeof(*ucode)) { IWL_ERROR("File size way too small!\n"); - rc = -EINVAL; + ret = -EINVAL; goto err_release; } @@ -5819,16 +5865,11 @@ static int iwl_read_ucode(struct iwl_priv *priv) boot_size = le32_to_cpu(ucode->boot_size); IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver); - IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", - inst_size); - IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", - data_size); - IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", - init_size); - IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", - init_data_size); - IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", - boot_size); + IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", inst_size); + IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", data_size); + IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", init_size); + IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", init_data_size); + IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", boot_size); /* Verify size of file vs. image size info in file's header */ if (ucode_raw->size < sizeof(*ucode) + @@ -5837,43 +5878,40 @@ static int iwl_read_ucode(struct iwl_priv *priv) IWL_DEBUG_INFO("uCode file size %d too small\n", (int)ucode_raw->size); - rc = -EINVAL; + ret = -EINVAL; goto err_release; } /* Verify that uCode images will fit in card's SRAM */ if (inst_size > IWL_MAX_INST_SIZE) { - IWL_DEBUG_INFO("uCode instr len %d too large to fit in card\n", - (int)inst_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode instr len %d too large to fit in\n", + inst_size); + ret = -EINVAL; goto err_release; } if (data_size > IWL_MAX_DATA_SIZE) { - IWL_DEBUG_INFO("uCode data len %d too large to fit in card\n", - (int)data_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode data len %d too large to fit in\n", + data_size); + ret = -EINVAL; goto err_release; } if (init_size > IWL_MAX_INST_SIZE) { - IWL_DEBUG_INFO - ("uCode init instr len %d too large to fit in card\n", - (int)init_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode init instr len %d too large to fit in\n", + init_size); + ret = -EINVAL; goto err_release; } if (init_data_size > IWL_MAX_DATA_SIZE) { - IWL_DEBUG_INFO - ("uCode init data len %d too large to fit in card\n", - (int)init_data_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode init data len %d too large to fit in\n", + init_data_size); + ret = -EINVAL; goto err_release; } if (boot_size > IWL_MAX_BSM_SIZE) { - IWL_DEBUG_INFO - ("uCode boot instr len %d too large to fit in bsm\n", - (int)boot_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode boot instr len %d too large to fit in\n", + boot_size); + ret = -EINVAL; goto err_release; } @@ -5883,66 +5921,54 @@ static int iwl_read_ucode(struct iwl_priv *priv) * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ priv->ucode_code.len = inst_size; - priv->ucode_code.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_code.len, - &(priv->ucode_code.p_addr)); + iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_code); priv->ucode_data.len = data_size; - priv->ucode_data.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_data.len, - &(priv->ucode_data.p_addr)); + iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data); priv->ucode_data_backup.len = data_size; - priv->ucode_data_backup.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_data_backup.len, - &(priv->ucode_data_backup.p_addr)); + iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup); + if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr || + !priv->ucode_data_backup.v_addr) + goto err_pci_alloc; /* Initialization instructions and data */ - priv->ucode_init.len = init_size; - priv->ucode_init.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_init.len, - &(priv->ucode_init.p_addr)); - - priv->ucode_init_data.len = init_data_size; - priv->ucode_init_data.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_init_data.len, - &(priv->ucode_init_data.p_addr)); + if (init_size && init_data_size) { + priv->ucode_init.len = init_size; + iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init); + + priv->ucode_init_data.len = init_data_size; + iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data); + + if (!priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr) + goto err_pci_alloc; + } /* Bootstrap (instructions only, no data) */ - priv->ucode_boot.len = boot_size; - priv->ucode_boot.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_boot.len, - &(priv->ucode_boot.p_addr)); + if (boot_size) { + priv->ucode_boot.len = boot_size; + iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot); - if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr || - !priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr || - !priv->ucode_boot.v_addr || !priv->ucode_data_backup.v_addr) - goto err_pci_alloc; + if (!priv->ucode_boot.v_addr) + goto err_pci_alloc; + } /* Copy images into buffers for card's bus-master reads ... */ /* Runtime instructions (first block of data in file) */ src = &ucode->data[0]; len = priv->ucode_code.len; - IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %d\n", - (int)len); + IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %Zd\n", len); memcpy(priv->ucode_code.v_addr, src, len); IWL_DEBUG_INFO("uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n", priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr); /* Runtime data (2nd block) - * NOTE: Copy into backup buffer will be done in iwl_up() */ + * NOTE: Copy into backup buffer will be done in iwl3945_up() */ src = &ucode->data[inst_size]; len = priv->ucode_data.len; - IWL_DEBUG_INFO("Copying (but not loading) uCode data len %d\n", - (int)len); + IWL_DEBUG_INFO("Copying (but not loading) uCode data len %Zd\n", len); memcpy(priv->ucode_data.v_addr, src, len); memcpy(priv->ucode_data_backup.v_addr, src, len); @@ -5950,8 +5976,8 @@ static int iwl_read_ucode(struct iwl_priv *priv) if (init_size) { src = &ucode->data[inst_size + data_size]; len = priv->ucode_init.len; - IWL_DEBUG_INFO("Copying (but not loading) init instr len %d\n", - (int)len); + IWL_DEBUG_INFO("Copying (but not loading) init instr len %Zd\n", + len); memcpy(priv->ucode_init.v_addr, src, len); } @@ -5977,19 +6003,19 @@ static int iwl_read_ucode(struct iwl_priv *priv) err_pci_alloc: IWL_ERROR("failed to allocate pci memory\n"); - rc = -ENOMEM; - iwl_dealloc_ucode_pci(priv); + ret = -ENOMEM; + iwl3945_dealloc_ucode_pci(priv); err_release: release_firmware(ucode_raw); error: - return rc; + return ret; } /** - * iwl_set_ucode_ptrs - Set uCode address location + * iwl3945_set_ucode_ptrs - Set uCode address location * * Tell initialization uCode where to find runtime uCode. * @@ -5997,7 +6023,7 @@ static int iwl_read_ucode(struct iwl_priv *priv) * We need to replace them to load runtime uCode inst and data, * and to save runtime data when powering down. */ -static int iwl_set_ucode_ptrs(struct iwl_priv *priv) +static int iwl3945_set_ucode_ptrs(struct iwl3945_priv *priv) { dma_addr_t pinst; dma_addr_t pdata; @@ -6009,24 +6035,24 @@ static int iwl_set_ucode_ptrs(struct iwl_priv *priv) pdata = priv->ucode_data_backup.p_addr; spin_lock_irqsave(&priv->lock, flags); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { spin_unlock_irqrestore(&priv->lock, flags); return rc; } /* Tell bootstrap uCode where to find image to load */ - iwl_write_restricted_reg(priv, BSM_DRAM_INST_PTR_REG, pinst); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_PTR_REG, pdata); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_BYTECOUNT_REG, + iwl3945_write_prph(priv, BSM_DRAM_INST_PTR_REG, pinst); + iwl3945_write_prph(priv, BSM_DRAM_DATA_PTR_REG, pdata); + iwl3945_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG, priv->ucode_data.len); /* Inst bytecount must be last to set up, bit 31 signals uCode * that all new ptr/size info is in place */ - iwl_write_restricted_reg(priv, BSM_DRAM_INST_BYTECOUNT_REG, + iwl3945_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG, priv->ucode_code.len | BSM_DRAM_INST_LOAD); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); @@ -6036,17 +6062,13 @@ static int iwl_set_ucode_ptrs(struct iwl_priv *priv) } /** - * iwl_init_alive_start - Called after REPLY_ALIVE notification receieved + * iwl3945_init_alive_start - Called after REPLY_ALIVE notification received * * Called after REPLY_ALIVE notification received from "initialize" uCode. * - * The 4965 "initialize" ALIVE reply contains calibration data for: - * Voltage, temperature, and MIMO tx gain correction, now stored in priv - * (3945 does not contain this data). - * * Tell "initialize" uCode to go ahead and load the runtime uCode. -*/ -static void iwl_init_alive_start(struct iwl_priv *priv) + */ +static void iwl3945_init_alive_start(struct iwl3945_priv *priv) { /* Check alive response for "valid" sign from uCode */ if (priv->card_alive_init.is_valid != UCODE_VALID_OK) { @@ -6059,7 +6081,7 @@ static void iwl_init_alive_start(struct iwl_priv *priv) /* Bootstrap uCode has loaded initialize uCode ... verify inst image. * This is a paranoid check, because we would not have gotten the * "initialize" alive if code weren't properly loaded. */ - if (iwl_verify_ucode(priv)) { + if (iwl3945_verify_ucode(priv)) { /* Runtime instruction load was bad; * take it all the way back down so we can try again */ IWL_DEBUG_INFO("Bad \"initialize\" uCode load.\n"); @@ -6070,7 +6092,7 @@ static void iwl_init_alive_start(struct iwl_priv *priv) * load and launch runtime uCode, which will send us another "Alive" * notification. */ IWL_DEBUG_INFO("Initialization Alive received.\n"); - if (iwl_set_ucode_ptrs(priv)) { + if (iwl3945_set_ucode_ptrs(priv)) { /* Runtime instruction load won't happen; * take it all the way back down so we can try again */ IWL_DEBUG_INFO("Couldn't set up uCode pointers.\n"); @@ -6084,11 +6106,11 @@ static void iwl_init_alive_start(struct iwl_priv *priv) /** - * iwl_alive_start - called after REPLY_ALIVE notification received + * iwl3945_alive_start - called after REPLY_ALIVE notification received * from protocol/runtime uCode (initialization uCode's - * Alive gets handled by iwl_init_alive_start()). + * Alive gets handled by iwl3945_init_alive_start()). */ -static void iwl_alive_start(struct iwl_priv *priv) +static void iwl3945_alive_start(struct iwl3945_priv *priv) { int rc = 0; int thermal_spin = 0; @@ -6106,30 +6128,30 @@ static void iwl_alive_start(struct iwl_priv *priv) /* Initialize uCode has loaded Runtime uCode ... verify inst image. * This is a paranoid check, because we would not have gotten the * "runtime" alive if code weren't properly loaded. */ - if (iwl_verify_ucode(priv)) { + if (iwl3945_verify_ucode(priv)) { /* Runtime instruction load was bad; * take it all the way back down so we can try again */ IWL_DEBUG_INFO("Bad runtime uCode load.\n"); goto restart; } - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { IWL_WARNING("Can not read rfkill status from adapter\n"); return; } - rfkill = iwl_read_restricted_reg(priv, APMG_RFKILL_REG); + rfkill = iwl3945_read_prph(priv, APMG_RFKILL_REG); IWL_DEBUG_INFO("RFKILL status: 0x%x\n", rfkill); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); if (rfkill & 0x1) { clear_bit(STATUS_RF_KILL_HW, &priv->status); /* if rfkill is not on, then wait for thermal * sensor in adapter to kick in */ - while (iwl_hw_get_temperature(priv) == 0) { + while (iwl3945_hw_get_temperature(priv) == 0) { thermal_spin++; udelay(10); } @@ -6140,67 +6162,40 @@ static void iwl_alive_start(struct iwl_priv *priv) } else set_bit(STATUS_RF_KILL_HW, &priv->status); - /* After the ALIVE response, we can process host commands */ + /* After the ALIVE response, we can send commands to 3945 uCode */ set_bit(STATUS_ALIVE, &priv->status); /* Clear out the uCode error bit if it is set */ clear_bit(STATUS_FW_ERROR, &priv->status); - rc = iwl_init_channel_map(priv); - if (rc) { - IWL_ERROR("initializing regulatory failed: %d\n", rc); - return; - } - - iwl_init_geos(priv); - - if (iwl_is_rfkill(priv)) + if (iwl3945_is_rfkill(priv)) return; - if (!priv->mac80211_registered) { - /* Unlock so any user space entry points can call back into - * the driver without a deadlock... */ - mutex_unlock(&priv->mutex); - iwl_rate_control_register(priv->hw); - rc = ieee80211_register_hw(priv->hw); - priv->hw->conf.beacon_int = 100; - mutex_lock(&priv->mutex); - - if (rc) { - IWL_ERROR("Failed to register network " - "device (error %d)\n", rc); - return; - } - - priv->mac80211_registered = 1; - - iwl_reset_channel_flag(priv); - } else - ieee80211_start_queues(priv->hw); + ieee80211_start_queues(priv->hw); priv->active_rate = priv->rates_mask; priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; - iwl_send_power_mode(priv, IWL_POWER_LEVEL(priv->power_mode)); + iwl3945_send_power_mode(priv, IWL_POWER_LEVEL(priv->power_mode)); - if (iwl_is_associated(priv)) { - struct iwl_rxon_cmd *active_rxon = - (struct iwl_rxon_cmd *)(&priv->active_rxon); + if (iwl3945_is_associated(priv)) { + struct iwl3945_rxon_cmd *active_rxon = + (struct iwl3945_rxon_cmd *)(&priv->active_rxon); memcpy(&priv->staging_rxon, &priv->active_rxon, sizeof(priv->staging_rxon)); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; } else { /* Initialize our rx_config data */ - iwl_connection_init_rx_config(priv); + iwl3945_connection_init_rx_config(priv); memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); } - /* Configure BT coexistence */ - iwl_send_bt_config(priv); + /* Configure Bluetooth device coexistence support */ + iwl3945_send_bt_config(priv); /* Configure the adapter for unassociated operation */ - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); /* At this point, the NIC is initialized and operational */ priv->notif_missed_beacons = 0; @@ -6209,9 +6204,10 @@ static void iwl_alive_start(struct iwl_priv *priv) iwl3945_reg_txpower_periodic(priv); IWL_DEBUG_INFO("ALIVE processing complete.\n"); + wake_up_interruptible(&priv->wait_command_queue); if (priv->error_recovering) - iwl_error_recovery(priv); + iwl3945_error_recovery(priv); return; @@ -6219,9 +6215,9 @@ static void iwl_alive_start(struct iwl_priv *priv) queue_work(priv->workqueue, &priv->restart); } -static void iwl_cancel_deferred_work(struct iwl_priv *priv); +static void iwl3945_cancel_deferred_work(struct iwl3945_priv *priv); -static void __iwl_down(struct iwl_priv *priv) +static void __iwl3945_down(struct iwl3945_priv *priv) { unsigned long flags; int exit_pending = test_bit(STATUS_EXIT_PENDING, &priv->status); @@ -6234,30 +6230,28 @@ static void __iwl_down(struct iwl_priv *priv) if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); - iwl_cancel_deferred_work(priv); - /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ if (!exit_pending) clear_bit(STATUS_EXIT_PENDING, &priv->status); /* stop and reset the on-board processor */ - iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + iwl3945_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); /* tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); + iwl3945_disable_interrupts(priv); if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); - /* If we have not previously called iwl_init() then + /* If we have not previously called iwl3945_init() then * clear all bits but the RF Kill and SUSPEND bits and return */ - if (!iwl_is_init(priv)) { + if (!iwl3945_is_init(priv)) { priv->status = test_bit(STATUS_RF_KILL_HW, &priv->status) << STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << @@ -6279,49 +6273,50 @@ static void __iwl_down(struct iwl_priv *priv) STATUS_FW_ERROR; spin_lock_irqsave(&priv->lock, flags); - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + iwl3945_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); spin_unlock_irqrestore(&priv->lock, flags); - iwl_hw_txq_ctx_stop(priv); - iwl_hw_rxq_stop(priv); + iwl3945_hw_txq_ctx_stop(priv); + iwl3945_hw_rxq_stop(priv); spin_lock_irqsave(&priv->lock, flags); - if (!iwl_grab_restricted_access(priv)) { - iwl_write_restricted_reg(priv, APMG_CLK_DIS_REG, + if (!iwl3945_grab_nic_access(priv)) { + iwl3945_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } spin_unlock_irqrestore(&priv->lock, flags); udelay(5); - iwl_hw_nic_stop_master(priv); - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - iwl_hw_nic_reset(priv); + iwl3945_hw_nic_stop_master(priv); + iwl3945_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + iwl3945_hw_nic_reset(priv); exit: - memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp)); + memset(&priv->card_alive, 0, sizeof(struct iwl3945_alive_resp)); if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); priv->ibss_beacon = NULL; /* clear out any free frames */ - iwl_clear_free_frames(priv); + iwl3945_clear_free_frames(priv); } -static void iwl_down(struct iwl_priv *priv) +static void iwl3945_down(struct iwl3945_priv *priv) { mutex_lock(&priv->mutex); - __iwl_down(priv); + __iwl3945_down(priv); mutex_unlock(&priv->mutex); + + iwl3945_cancel_deferred_work(priv); } #define MAX_HW_RESTARTS 5 -static int __iwl_up(struct iwl_priv *priv) +static int __iwl3945_up(struct iwl3945_priv *priv) { - DECLARE_MAC_BUF(mac); int rc, i; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { @@ -6332,44 +6327,65 @@ static int __iwl_up(struct iwl_priv *priv) if (test_bit(STATUS_RF_KILL_SW, &priv->status)) { IWL_WARNING("Radio disabled by SW RF kill (module " "parameter)\n"); - return 0; + return -ENODEV; + } + + if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { + IWL_ERROR("ucode not available for device bringup\n"); + return -EIO; + } + + /* If platform's RF_KILL switch is NOT set to KILL */ + if (iwl3945_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); + if (!test_bit(STATUS_IN_SUSPEND, &priv->status)) { + IWL_WARNING("Radio disabled by HW RF Kill switch\n"); + return -ENODEV; + } } - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); - rc = iwl_hw_nic_init(priv); + rc = iwl3945_hw_nic_init(priv); if (rc) { IWL_ERROR("Unable to int nic\n"); return rc; } /* make sure rfkill handshake bits are cleared */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); /* clear (again), then enable host interrupts */ - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_enable_interrupts(priv); + iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl3945_enable_interrupts(priv); /* really make sure rfkill handshake bits are cleared */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); /* Copy original ucode data image from disk into backup cache. * This will be used to initialize the on-board processor's * data SRAM for a clean start when the runtime program first loads. */ memcpy(priv->ucode_data_backup.v_addr, priv->ucode_data.v_addr, - priv->ucode_data.len); + priv->ucode_data.len); + + /* We return success when we resume from suspend and rf_kill is on. */ + if (test_bit(STATUS_RF_KILL_HW, &priv->status)) + return 0; for (i = 0; i < MAX_HW_RESTARTS; i++) { - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); /* load bootstrap state machine, * load bootstrap program into processor's memory, * prepare to load the "initialize" uCode */ - rc = iwl_load_bsm(priv); + rc = iwl3945_load_bsm(priv); if (rc) { IWL_ERROR("Unable to set up bootstrap uCode: %d\n", rc); @@ -6377,14 +6393,7 @@ static int __iwl_up(struct iwl_priv *priv) } /* start card; "initialize" will load runtime ucode */ - iwl_nic_start(priv); - - /* MAC Address location in EEPROM same for 3945/4965 */ - get_eeprom_mac(priv, priv->mac_addr); - IWL_DEBUG_INFO("MAC address: %s\n", - print_mac(mac, priv->mac_addr)); - - SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); + iwl3945_nic_start(priv); IWL_DEBUG_INFO(DRV_NAME " is coming up\n"); @@ -6392,7 +6401,7 @@ static int __iwl_up(struct iwl_priv *priv) } set_bit(STATUS_EXIT_PENDING, &priv->status); - __iwl_down(priv); + __iwl3945_down(priv); /* tried to restart and config the device for as long as our * patience could withstand */ @@ -6407,35 +6416,35 @@ static int __iwl_up(struct iwl_priv *priv) * *****************************************************************************/ -static void iwl_bg_init_alive_start(struct work_struct *data) +static void iwl3945_bg_init_alive_start(struct work_struct *data) { - struct iwl_priv *priv = - container_of(data, struct iwl_priv, init_alive_start.work); + struct iwl3945_priv *priv = + container_of(data, struct iwl3945_priv, init_alive_start.work); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - iwl_init_alive_start(priv); + iwl3945_init_alive_start(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_alive_start(struct work_struct *data) +static void iwl3945_bg_alive_start(struct work_struct *data) { - struct iwl_priv *priv = - container_of(data, struct iwl_priv, alive_start.work); + struct iwl3945_priv *priv = + container_of(data, struct iwl3945_priv, alive_start.work); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - iwl_alive_start(priv); + iwl3945_alive_start(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_rf_kill(struct work_struct *work) +static void iwl3945_bg_rf_kill(struct work_struct *work) { - struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill); + struct iwl3945_priv *priv = container_of(work, struct iwl3945_priv, rf_kill); wake_up_interruptible(&priv->wait_command_queue); @@ -6444,7 +6453,7 @@ static void iwl_bg_rf_kill(struct work_struct *work) mutex_lock(&priv->mutex); - if (!iwl_is_rfkill(priv)) { + if (!iwl3945_is_rfkill(priv)) { IWL_DEBUG(IWL_DL_INFO | IWL_DL_RF_KILL, "HW and/or SW RF Kill no longer active, restarting " "device\n"); @@ -6465,10 +6474,10 @@ static void iwl_bg_rf_kill(struct work_struct *work) #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) -static void iwl_bg_scan_check(struct work_struct *data) +static void iwl3945_bg_scan_check(struct work_struct *data) { - struct iwl_priv *priv = - container_of(data, struct iwl_priv, scan_check.work); + struct iwl3945_priv *priv = + container_of(data, struct iwl3945_priv, scan_check.work); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -6481,22 +6490,22 @@ static void iwl_bg_scan_check(struct work_struct *data) jiffies_to_msecs(IWL_SCAN_CHECK_WATCHDOG)); if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) - iwl_send_scan_abort(priv); + iwl3945_send_scan_abort(priv); } mutex_unlock(&priv->mutex); } -static void iwl_bg_request_scan(struct work_struct *data) +static void iwl3945_bg_request_scan(struct work_struct *data) { - struct iwl_priv *priv = - container_of(data, struct iwl_priv, request_scan); - struct iwl_host_cmd cmd = { + struct iwl3945_priv *priv = + container_of(data, struct iwl3945_priv, request_scan); + struct iwl3945_host_cmd cmd = { .id = REPLY_SCAN_CMD, - .len = sizeof(struct iwl_scan_cmd), + .len = sizeof(struct iwl3945_scan_cmd), .meta.flags = CMD_SIZE_HUGE, }; int rc = 0; - struct iwl_scan_cmd *scan; + struct iwl3945_scan_cmd *scan; struct ieee80211_conf *conf = NULL; u8 direct_mask; int phymode; @@ -6505,7 +6514,7 @@ static void iwl_bg_request_scan(struct work_struct *data) mutex_lock(&priv->mutex); - if (!iwl_is_ready(priv)) { + if (!iwl3945_is_ready(priv)) { IWL_WARNING("request scan called when driver not ready.\n"); goto done; } @@ -6534,7 +6543,7 @@ static void iwl_bg_request_scan(struct work_struct *data) goto done; } - if (iwl_is_rfkill(priv)) { + if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_HC("Aborting scan due to RF Kill activation\n"); goto done; } @@ -6550,7 +6559,7 @@ static void iwl_bg_request_scan(struct work_struct *data) } if (!priv->scan) { - priv->scan = kmalloc(sizeof(struct iwl_scan_cmd) + + priv->scan = kmalloc(sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE, GFP_KERNEL); if (!priv->scan) { rc = -ENOMEM; @@ -6558,12 +6567,12 @@ static void iwl_bg_request_scan(struct work_struct *data) } } scan = priv->scan; - memset(scan, 0, sizeof(struct iwl_scan_cmd) + IWL_MAX_SCAN_SIZE); + memset(scan, 0, sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE); scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH; scan->quiet_time = IWL_ACTIVE_QUIET_TIME; - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { u16 interval = 0; u32 extra; u32 suspend_time = 100; @@ -6600,14 +6609,14 @@ static void iwl_bg_request_scan(struct work_struct *data) if (priv->one_direct_scan) { IWL_DEBUG_SCAN ("Kicking off one direct scan for '%s'\n", - iwl_escape_essid(priv->direct_ssid, + iwl3945_escape_essid(priv->direct_ssid, priv->direct_ssid_len)); scan->direct_scan[0].id = WLAN_EID_SSID; scan->direct_scan[0].len = priv->direct_ssid_len; memcpy(scan->direct_scan[0].ssid, priv->direct_ssid, priv->direct_ssid_len); direct_mask = 1; - } else if (!iwl_is_associated(priv) && priv->essid_len) { + } else if (!iwl3945_is_associated(priv) && priv->essid_len) { scan->direct_scan[0].id = WLAN_EID_SSID; scan->direct_scan[0].len = priv->essid_len; memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len); @@ -6618,8 +6627,8 @@ static void iwl_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( - iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, - IWL_MAX_SCAN_SIZE - sizeof(scan), 0)); + iwl3945_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, + IWL_MAX_SCAN_SIZE - sizeof(*scan), 0)); scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK; scan->tx_cmd.sta_id = priv->hw_setting.bcast_sta_id; scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; @@ -6654,23 +6663,23 @@ static void iwl_bg_request_scan(struct work_struct *data) if (direct_mask) IWL_DEBUG_SCAN ("Initiating direct scan for %s.\n", - iwl_escape_essid(priv->essid, priv->essid_len)); + iwl3945_escape_essid(priv->essid, priv->essid_len)); else IWL_DEBUG_SCAN("Initiating indirect scan.\n"); scan->channel_count = - iwl_get_channels_for_scan( + iwl3945_get_channels_for_scan( priv, phymode, 1, /* active */ direct_mask, (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]); cmd.len += le16_to_cpu(scan->tx_cmd.len) + - scan->channel_count * sizeof(struct iwl_scan_channel); + scan->channel_count * sizeof(struct iwl3945_scan_channel); cmd.data = scan; scan->len = cpu_to_le16(cmd.len); set_bit(STATUS_SCAN_HW, &priv->status); - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) goto done; @@ -6681,50 +6690,52 @@ static void iwl_bg_request_scan(struct work_struct *data) return; done: - /* inform mac80211 sacn aborted */ + /* inform mac80211 scan aborted */ queue_work(priv->workqueue, &priv->scan_completed); mutex_unlock(&priv->mutex); } -static void iwl_bg_up(struct work_struct *data) +static void iwl3945_bg_up(struct work_struct *data) { - struct iwl_priv *priv = container_of(data, struct iwl_priv, up); + struct iwl3945_priv *priv = container_of(data, struct iwl3945_priv, up); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - __iwl_up(priv); + __iwl3945_up(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_restart(struct work_struct *data) +static void iwl3945_bg_restart(struct work_struct *data) { - struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); + struct iwl3945_priv *priv = container_of(data, struct iwl3945_priv, restart); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - iwl_down(priv); + iwl3945_down(priv); queue_work(priv->workqueue, &priv->up); } -static void iwl_bg_rx_replenish(struct work_struct *data) +static void iwl3945_bg_rx_replenish(struct work_struct *data) { - struct iwl_priv *priv = - container_of(data, struct iwl_priv, rx_replenish); + struct iwl3945_priv *priv = + container_of(data, struct iwl3945_priv, rx_replenish); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - iwl_rx_replenish(priv); + iwl3945_rx_replenish(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_post_associate(struct work_struct *data) +#define IWL_DELAY_NEXT_SCAN (HZ*2) + +static void iwl3945_bg_post_associate(struct work_struct *data) { - struct iwl_priv *priv = container_of(data, struct iwl_priv, + struct iwl3945_priv *priv = container_of(data, struct iwl3945_priv, post_associate.work); int rc = 0; @@ -6746,20 +6757,20 @@ static void iwl_bg_post_associate(struct work_struct *data) mutex_lock(&priv->mutex); - if (!priv->interface_id || !priv->is_open) { + if (!priv->vif || !priv->is_open) { mutex_unlock(&priv->mutex); return; } - iwl_scan_cancel_timeout(priv, 200); + iwl3945_scan_cancel_timeout(priv, 200); conf = ieee80211_get_hw_conf(priv->hw); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); - memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd)); - iwl_setup_rxon_timing(priv); - rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, + memset(&priv->rxon_timing, 0, sizeof(struct iwl3945_rxon_time_cmd)); + iwl3945_setup_rxon_timing(priv); + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON_TIMING, sizeof(priv->rxon_timing), &priv->rxon_timing); if (rc) IWL_WARNING("REPLY_RXON_TIMING failed - " @@ -6788,75 +6799,81 @@ static void iwl_bg_post_associate(struct work_struct *data) } - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); switch (priv->iw_mode) { case IEEE80211_IF_TYPE_STA: - iwl_rate_scale_init(priv->hw, IWL_AP_ID); + iwl3945_rate_scale_init(priv->hw, IWL_AP_ID); break; case IEEE80211_IF_TYPE_IBSS: /* clear out the station table */ - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); - iwl_add_station(priv, BROADCAST_ADDR, 0, 0); - iwl_add_station(priv, priv->bssid, 0, 0); + iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0); + iwl3945_add_station(priv, priv->bssid, 0, 0); iwl3945_sync_sta(priv, IWL_STA_ID, (priv->phymode == MODE_IEEE80211A)? IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP, CMD_ASYNC); - iwl_rate_scale_init(priv->hw, IWL_STA_ID); - iwl_send_beacon_cmd(priv); + iwl3945_rate_scale_init(priv->hw, IWL_STA_ID); + iwl3945_send_beacon_cmd(priv); break; default: IWL_ERROR("%s Should not be called in %d mode\n", - __FUNCTION__, priv->iw_mode); + __FUNCTION__, priv->iw_mode); break; } - iwl_sequence_reset(priv); + iwl3945_sequence_reset(priv); -#ifdef CONFIG_IWLWIFI_QOS - iwl_activate_qos(priv, 0); -#endif /* CONFIG_IWLWIFI_QOS */ +#ifdef CONFIG_IWL3945_QOS + iwl3945_activate_qos(priv, 0); +#endif /* CONFIG_IWL3945_QOS */ + /* we have just associated, don't start scan too early */ + priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN; mutex_unlock(&priv->mutex); } -static void iwl_bg_abort_scan(struct work_struct *work) +static void iwl3945_bg_abort_scan(struct work_struct *work) { - struct iwl_priv *priv = container_of(work, struct iwl_priv, - abort_scan); + struct iwl3945_priv *priv = container_of(work, struct iwl3945_priv, abort_scan); - if (!iwl_is_ready(priv)) + if (!iwl3945_is_ready(priv)) return; mutex_lock(&priv->mutex); set_bit(STATUS_SCAN_ABORTING, &priv->status); - iwl_send_scan_abort(priv); + iwl3945_send_scan_abort(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_scan_completed(struct work_struct *work) +static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf); + +static void iwl3945_bg_scan_completed(struct work_struct *work) { - struct iwl_priv *priv = - container_of(work, struct iwl_priv, scan_completed); + struct iwl3945_priv *priv = + container_of(work, struct iwl3945_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, ieee80211_get_hw_conf(priv->hw)); + ieee80211_scan_completed(priv->hw); /* Since setting the TXPOWER may have been deferred while * performing the scan, fire one off */ mutex_lock(&priv->mutex); - iwl_hw_reg_send_txpower(priv); + iwl3945_hw_reg_send_txpower(priv); mutex_unlock(&priv->mutex); } @@ -6866,50 +6883,123 @@ static void iwl_bg_scan_completed(struct work_struct *work) * *****************************************************************************/ -static int iwl_mac_start(struct ieee80211_hw *hw) +#define UCODE_READY_TIMEOUT (2 * HZ) + +static int iwl3945_mac_start(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; + int ret; IWL_DEBUG_MAC80211("enter\n"); + if (pci_enable_device(priv->pci_dev)) { + IWL_ERROR("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_ERROR("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); - priv->is_open = 1; + memset(&priv->staging_rxon, 0, sizeof(struct iwl3945_rxon_cmd)); + /* fetch ucode file from disk, alloc and copy to bus-master buffers ... + * ucode filename and max sizes are card-specific. */ - if (!iwl_is_rfkill(priv)) - ieee80211_start_queues(priv->hw); + if (!priv->ucode_code.len) { + ret = iwl3945_read_ucode(priv); + if (ret) { + IWL_ERROR("Could not read microcode: %d\n", ret); + mutex_unlock(&priv->mutex); + goto out_release_irq; + } + } + + ret = __iwl3945_up(priv); mutex_unlock(&priv->mutex); + + if (ret) + goto out_release_irq; + + IWL_DEBUG_INFO("Start UP work.\n"); + + if (test_bit(STATUS_IN_SUSPEND, &priv->status)) + return 0; + + /* Wait for START_ALIVE from ucode. Otherwise callbacks from + * mac80211 will not be run successfully. */ + ret = wait_event_interruptible_timeout(priv->wait_command_queue, + test_bit(STATUS_READY, &priv->status), + UCODE_READY_TIMEOUT); + if (!ret) { + if (!test_bit(STATUS_READY, &priv->status)) { + IWL_ERROR("Wait for START_ALIVE timeout after %dms.\n", + jiffies_to_msecs(UCODE_READY_TIMEOUT)); + ret = -ETIMEDOUT; + goto out_release_irq; + } + } + + 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; } -static void iwl_mac_stop(struct ieee80211_hw *hw) +static void iwl3945_mac_stop(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); + if (!priv->is_open) { + IWL_DEBUG_MAC80211("leave - skip\n"); + return; + } - mutex_lock(&priv->mutex); - /* stop mac, cancel any scan request and clear - * RXON_FILTER_ASSOC_MSK BIT - */ priv->is_open = 0; - iwl_scan_cancel_timeout(priv, 100); - cancel_delayed_work(&priv->post_associate); - priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - mutex_unlock(&priv->mutex); + + if (iwl3945_is_ready_rf(priv)) { + /* stop mac, cancel any scan request and clear + * RXON_FILTER_ASSOC_MSK BIT + */ + mutex_lock(&priv->mutex); + iwl3945_scan_cancel_timeout(priv, 100); + cancel_delayed_work(&priv->post_associate); + 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); IWL_DEBUG_MAC80211("leave\n"); } -static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, +static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, struct ieee80211_tx_control *ctl) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); @@ -6921,140 +7011,145 @@ static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, ctl->tx_rate); - if (iwl_tx_skb(priv, skb, ctl)) + if (iwl3945_tx_skb(priv, skb, ctl)) dev_kfree_skb_any(skb); IWL_DEBUG_MAC80211("leave\n"); return 0; } -static int iwl_mac_add_interface(struct ieee80211_hw *hw, +static int iwl3945_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; unsigned long flags; DECLARE_MAC_BUF(mac); - IWL_DEBUG_MAC80211("enter: id %d, type %d\n", conf->if_id, conf->type); - if (conf->mac_addr) - IWL_DEBUG_MAC80211("enter: MAC %s\n", - print_mac(mac, conf->mac_addr)); + IWL_DEBUG_MAC80211("enter: type %d\n", conf->type); - if (priv->interface_id) { - IWL_DEBUG_MAC80211("leave - interface_id != 0\n"); - return 0; + if (priv->vif) { + IWL_DEBUG_MAC80211("leave - vif != NULL\n"); + return -EOPNOTSUPP; } spin_lock_irqsave(&priv->lock, flags); - priv->interface_id = conf->if_id; + priv->vif = conf->vif; spin_unlock_irqrestore(&priv->lock, flags); mutex_lock(&priv->mutex); - iwl_set_mode(priv, conf->type); - IWL_DEBUG_MAC80211("leave\n"); + if (conf->mac_addr) { + IWL_DEBUG_MAC80211("Set: %s\n", print_mac(mac, conf->mac_addr)); + memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN); + } + + if (iwl3945_is_ready(priv)) + iwl3945_set_mode(priv, conf->type); + mutex_unlock(&priv->mutex); + IWL_DEBUG_MAC80211("leave\n"); return 0; } /** - * iwl_mac_config - mac80211 config callback + * iwl3945_mac_config - mac80211 config callback * * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to * be set inappropriately and the driver currently sets the hardware up to * use it whenever needed. */ -static int iwl_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) +static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) { - struct iwl_priv *priv = hw->priv; - const struct iwl_channel_info *ch_info; + struct iwl3945_priv *priv = hw->priv; + const struct iwl3945_channel_info *ch_info; unsigned long flags; + int ret = 0; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel); - if (!iwl_is_ready(priv)) { + priv->add_radiotap = !!(conf->flags & IEEE80211_CONF_RADIOTAP); + + if (!iwl3945_is_ready(priv)) { IWL_DEBUG_MAC80211("leave - not ready\n"); - mutex_unlock(&priv->mutex); - return -EIO; + ret = -EIO; + goto out; } - /* TODO: Figure out how to get ieee80211_local->sta_scanning w/ only - * what is exposed through include/ declrations */ - if (unlikely(!iwl_param_disable_hw_scan && + if (unlikely(!iwl3945_param_disable_hw_scan && test_bit(STATUS_SCANNING, &priv->status))) { IWL_DEBUG_MAC80211("leave - scanning\n"); + set_bit(STATUS_CONF_PENDING, &priv->status); mutex_unlock(&priv->mutex); return 0; } spin_lock_irqsave(&priv->lock, flags); - ch_info = iwl_get_channel_info(priv, conf->phymode, conf->channel); + ch_info = iwl3945_get_channel_info(priv, conf->phymode, conf->channel); if (!is_channel_valid(ch_info)) { IWL_DEBUG_SCAN("Channel %d [%d] is INVALID for this SKU.\n", conf->channel, conf->phymode); IWL_DEBUG_MAC80211("leave - invalid channel\n"); spin_unlock_irqrestore(&priv->lock, flags); - mutex_unlock(&priv->mutex); - return -EINVAL; + ret = -EINVAL; + goto out; } - iwl_set_rxon_channel(priv, conf->phymode, conf->channel); + iwl3945_set_rxon_channel(priv, conf->phymode, conf->channel); - iwl_set_flags_for_phymode(priv, conf->phymode); + iwl3945_set_flags_for_phymode(priv, conf->phymode); /* The list of supported rates and rate mask can be different * for each phymode; since the phymode may have changed, reset * the rate mask to what mac80211 lists */ - iwl_set_rate(priv); + iwl3945_set_rate(priv); spin_unlock_irqrestore(&priv->lock, flags); #ifdef IEEE80211_CONF_CHANNEL_SWITCH if (conf->flags & IEEE80211_CONF_CHANNEL_SWITCH) { - iwl_hw_channel_switch(priv, conf->channel); - mutex_unlock(&priv->mutex); - return 0; + iwl3945_hw_channel_switch(priv, conf->channel); + goto out; } #endif - iwl_radio_kill_sw(priv, !conf->radio_enabled); + iwl3945_radio_kill_sw(priv, !conf->radio_enabled); if (!conf->radio_enabled) { IWL_DEBUG_MAC80211("leave - radio disabled\n"); - mutex_unlock(&priv->mutex); - return 0; + goto out; } - if (iwl_is_rfkill(priv)) { + if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_MAC80211("leave - RF kill\n"); - mutex_unlock(&priv->mutex); - return -EIO; + ret = -EIO; + goto out; } - iwl_set_rate(priv); + iwl3945_set_rate(priv); if (memcmp(&priv->active_rxon, &priv->staging_rxon, sizeof(priv->staging_rxon))) - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); else IWL_DEBUG_INFO("No re-sending same RXON configuration.\n"); IWL_DEBUG_MAC80211("leave\n"); +out: + clear_bit(STATUS_CONF_PENDING, &priv->status); mutex_unlock(&priv->mutex); - - return 0; + return ret; } -static void iwl_config_ap(struct iwl_priv *priv) +static void iwl3945_config_ap(struct iwl3945_priv *priv) { int rc = 0; - if (priv->status & STATUS_EXIT_PENDING) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; /* The following should be done only at AP bring up */ @@ -7062,12 +7157,12 @@ static void iwl_config_ap(struct iwl_priv *priv) /* RXON - unassoc (to set timing command) */ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); /* RXON Timing */ - memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd)); - iwl_setup_rxon_timing(priv); - rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, + memset(&priv->rxon_timing, 0, sizeof(struct iwl3945_rxon_time_cmd)); + iwl3945_setup_rxon_timing(priv); + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON_TIMING, sizeof(priv->rxon_timing), &priv->rxon_timing); if (rc) IWL_WARNING("REPLY_RXON_TIMING failed - " @@ -7097,20 +7192,21 @@ static void iwl_config_ap(struct iwl_priv *priv) } /* restore RXON assoc */ priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - iwl_add_station(priv, BROADCAST_ADDR, 0, 0); + iwl3945_commit_rxon(priv); + iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0); } - iwl_send_beacon_cmd(priv); + iwl3945_send_beacon_cmd(priv); /* FIXME - we need to add code here to detect a totally new * configuration, reset the AP, unassoc, rxon timing, assoc, * clear sta table, add BCAST sta... */ } -static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, +static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, struct ieee80211_if_conf *conf) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; DECLARE_MAC_BUF(mac); unsigned long flags; int rc; @@ -7127,9 +7223,11 @@ static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, return 0; } + if (!iwl3945_is_alive(priv)) + return -EAGAIN; + mutex_lock(&priv->mutex); - IWL_DEBUG_MAC80211("enter: interface id %d\n", if_id); if (conf->bssid) IWL_DEBUG_MAC80211("bssid: %s\n", print_mac(mac, conf->bssid)); @@ -7146,8 +7244,8 @@ static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, return 0; } - if (priv->interface_id != if_id) { - IWL_DEBUG_MAC80211("leave - interface_id != if_id\n"); + if (priv->vif != vif) { + IWL_DEBUG_MAC80211("leave - priv->vif != vif\n"); mutex_unlock(&priv->mutex); return 0; } @@ -7165,11 +7263,14 @@ static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, priv->ibss_beacon = conf->beacon; } + if (iwl3945_is_rfkill(priv)) + goto done; + if (conf->bssid && !is_zero_ether_addr(conf->bssid) && !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 (iwl_scan_cancel_timeout(priv, 100)) { + if (iwl3945_scan_cancel_timeout(priv, 100)) { IWL_WARNING("Aborted scan still in progress " "after 100ms\n"); IWL_DEBUG_MAC80211("leaving - scan abort failed.\n"); @@ -7185,20 +7286,21 @@ static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, memcpy(priv->bssid, conf->bssid, ETH_ALEN); if (priv->iw_mode == IEEE80211_IF_TYPE_AP) - iwl_config_ap(priv); + iwl3945_config_ap(priv); else { - rc = iwl_commit_rxon(priv); + rc = iwl3945_commit_rxon(priv); if ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && rc) - iwl_add_station(priv, + iwl3945_add_station(priv, priv->active_rxon.bssid_addr, 1, 0); } } else { - iwl_scan_cancel_timeout(priv, 100); + iwl3945_scan_cancel_timeout(priv, 100); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } + done: spin_lock_irqsave(&priv->lock, flags); if (!conf->ssid_len) memset(priv->essid, 0, IW_ESSID_MAX_SIZE); @@ -7214,34 +7316,35 @@ static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, return 0; } -static void iwl_configure_filter(struct ieee80211_hw *hw, +static void iwl3945_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, int mc_count, struct dev_addr_list *mc_list) { /* * XXX: dummy - * see also iwl_connection_init_rx_config + * see also iwl3945_connection_init_rx_config */ *total_flags = 0; } -static void iwl_mac_remove_interface(struct ieee80211_hw *hw, +static void iwl3945_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); mutex_lock(&priv->mutex); - iwl_scan_cancel_timeout(priv, 100); - cancel_delayed_work(&priv->post_associate); - priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - - if (priv->interface_id == conf->if_id) { - priv->interface_id = 0; + if (iwl3945_is_ready_rf(priv)) { + iwl3945_scan_cancel_timeout(priv, 100); + cancel_delayed_work(&priv->post_associate); + priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwl3945_commit_rxon(priv); + } + if (priv->vif == conf->vif) { + priv->vif = NULL; memset(priv->bssid, 0, ETH_ALEN); memset(priv->essid, 0, IW_ESSID_MAX_SIZE); priv->essid_len = 0; @@ -7249,22 +7352,20 @@ static void iwl_mac_remove_interface(struct ieee80211_hw *hw, mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211("leave\n"); - } -#define IWL_DELAY_NEXT_SCAN (HZ*2) -static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) +static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) { int rc = 0; unsigned long flags; - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); mutex_lock(&priv->mutex); spin_lock_irqsave(&priv->lock, flags); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { rc = -EIO; IWL_DEBUG_MAC80211("leave - not ready or exit pending\n"); goto out_unlock; @@ -7276,17 +7377,21 @@ static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) goto out_unlock; } + /* we don't schedule scan within next_scan_jiffies period */ + if (priv->next_scan_jiffies && + time_after(priv->next_scan_jiffies, jiffies)) { + rc = -EAGAIN; + goto out_unlock; + } /* if we just finished scan ask for delay */ - if (priv->last_scan_jiffies && - time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, - jiffies)) { + if (priv->last_scan_jiffies && time_after(priv->last_scan_jiffies + + IWL_DELAY_NEXT_SCAN, jiffies)) { rc = -EAGAIN; goto out_unlock; } if (len) { - IWL_DEBUG_SCAN("direct scan for " - "%s [%d]\n ", - iwl_escape_essid(ssid, len), (int)len); + IWL_DEBUG_SCAN("direct scan for %s [%d]\n ", + iwl3945_escape_essid(ssid, len), (int)len); priv->one_direct_scan = 1; priv->direct_ssid_len = (u8) @@ -7295,7 +7400,7 @@ static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) } else priv->one_direct_scan = 0; - rc = iwl_scan_initiate(priv); + rc = iwl3945_scan_initiate(priv); IWL_DEBUG_MAC80211("leave\n"); @@ -7306,17 +7411,17 @@ out_unlock: return rc; } -static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, +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 iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; int rc = 0; u8 sta_id; IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_param_hwcrypto) { + if (!iwl3945_param_hwcrypto) { IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n"); return -EOPNOTSUPP; } @@ -7325,7 +7430,7 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, /* only support pairwise keys */ return -EOPNOTSUPP; - sta_id = iwl_hw_find_station(priv, addr); + sta_id = iwl3945_hw_find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { DECLARE_MAC_BUF(mac); @@ -7336,24 +7441,24 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, mutex_lock(&priv->mutex); - iwl_scan_cancel_timeout(priv, 100); + iwl3945_scan_cancel_timeout(priv, 100); switch (cmd) { case SET_KEY: - rc = iwl_update_sta_key_info(priv, key, sta_id); + rc = iwl3945_update_sta_key_info(priv, key, sta_id); if (!rc) { - iwl_set_rxon_hwcrypto(priv, 1); - iwl_commit_rxon(priv); + iwl3945_set_rxon_hwcrypto(priv, 1); + iwl3945_commit_rxon(priv); key->hw_key_idx = sta_id; IWL_DEBUG_MAC80211("set_key success, using hwcrypto\n"); key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; } break; case DISABLE_KEY: - rc = iwl_clear_sta_key_info(priv, sta_id); + rc = iwl3945_clear_sta_key_info(priv, sta_id); if (!rc) { - iwl_set_rxon_hwcrypto(priv, 0); - iwl_commit_rxon(priv); + iwl3945_set_rxon_hwcrypto(priv, 0); + iwl3945_commit_rxon(priv); IWL_DEBUG_MAC80211("disable hwcrypto key\n"); } break; @@ -7367,18 +7472,18 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return rc; } -static int iwl_mac_conf_tx(struct ieee80211_hw *hw, int queue, +static int iwl3945_mac_conf_tx(struct ieee80211_hw *hw, int queue, const struct ieee80211_tx_queue_params *params) { - struct iwl_priv *priv = hw->priv; -#ifdef CONFIG_IWLWIFI_QOS + struct iwl3945_priv *priv = hw->priv; +#ifdef CONFIG_IWL3945_QOS unsigned long flags; int q; -#endif /* CONFIG_IWL_QOS */ +#endif /* CONFIG_IWL3945_QOS */ IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); return -EIO; } @@ -7388,7 +7493,7 @@ static int iwl_mac_conf_tx(struct ieee80211_hw *hw, int queue, return 0; } -#ifdef CONFIG_IWLWIFI_QOS +#ifdef CONFIG_IWL3945_QOS if (!priv->qos_data.qos_enable) { priv->qos_data.qos_active = 0; IWL_DEBUG_MAC80211("leave - qos not enabled\n"); @@ -7411,30 +7516,30 @@ static int iwl_mac_conf_tx(struct ieee80211_hw *hw, int queue, mutex_lock(&priv->mutex); if (priv->iw_mode == IEEE80211_IF_TYPE_AP) - iwl_activate_qos(priv, 1); - else if (priv->assoc_id && iwl_is_associated(priv)) - iwl_activate_qos(priv, 0); + iwl3945_activate_qos(priv, 1); + else if (priv->assoc_id && iwl3945_is_associated(priv)) + iwl3945_activate_qos(priv, 0); mutex_unlock(&priv->mutex); -#endif /*CONFIG_IWLWIFI_QOS */ +#endif /*CONFIG_IWL3945_QOS */ IWL_DEBUG_MAC80211("leave\n"); return 0; } -static int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, +static int iwl3945_mac_get_tx_stats(struct ieee80211_hw *hw, struct ieee80211_tx_queue_stats *stats) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; int i, avail; - struct iwl_tx_queue *txq; - struct iwl_queue *q; + struct iwl3945_tx_queue *txq; + struct iwl3945_queue *q; unsigned long flags; IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); return -EIO; } @@ -7444,7 +7549,7 @@ static int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, for (i = 0; i < AC_NUM; i++) { txq = &priv->txq[i]; q = &txq->q; - avail = iwl_queue_space(q); + avail = iwl3945_queue_space(q); stats->data[i].len = q->n_window - avail; stats->data[i].limit = q->n_window - q->high_mark; @@ -7458,7 +7563,7 @@ static int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, return 0; } -static int iwl_mac_get_stats(struct ieee80211_hw *hw, +static int iwl3945_mac_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { IWL_DEBUG_MAC80211("enter\n"); @@ -7467,7 +7572,7 @@ static int iwl_mac_get_stats(struct ieee80211_hw *hw, return 0; } -static u64 iwl_mac_get_tsf(struct ieee80211_hw *hw) +static u64 iwl3945_mac_get_tsf(struct ieee80211_hw *hw) { IWL_DEBUG_MAC80211("enter\n"); IWL_DEBUG_MAC80211("leave\n"); @@ -7475,16 +7580,16 @@ static u64 iwl_mac_get_tsf(struct ieee80211_hw *hw) return 0; } -static void iwl_mac_reset_tsf(struct ieee80211_hw *hw) +static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; unsigned long flags; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); -#ifdef CONFIG_IWLWIFI_QOS - iwl_reset_qos(priv); +#ifdef CONFIG_IWL3945_QOS + iwl3945_reset_qos(priv); #endif cancel_delayed_work(&priv->post_associate); @@ -7507,13 +7612,19 @@ static void iwl_mac_reset_tsf(struct ieee80211_hw *hw) spin_unlock_irqrestore(&priv->lock, flags); + if (!iwl3945_is_ready_rf(priv)) { + IWL_DEBUG_MAC80211("leave - not ready\n"); + mutex_unlock(&priv->mutex); + return; + } + /* we are restarting association process * clear RXON_FILTER_ASSOC_MSK bit */ if (priv->iw_mode != IEEE80211_IF_TYPE_AP) { - iwl_scan_cancel_timeout(priv, 100); + iwl3945_scan_cancel_timeout(priv, 100); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } /* Per mac80211.h: This is only used in IBSS mode... */ @@ -7524,15 +7635,9 @@ static void iwl_mac_reset_tsf(struct ieee80211_hw *hw) return; } - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211("leave - not ready\n"); - mutex_unlock(&priv->mutex); - return; - } - priv->only_active_channel = 0; - iwl_set_rate(priv); + iwl3945_set_rate(priv); mutex_unlock(&priv->mutex); @@ -7540,16 +7645,16 @@ static void iwl_mac_reset_tsf(struct ieee80211_hw *hw) } -static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, +static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, struct ieee80211_tx_control *control) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; unsigned long flags; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); mutex_unlock(&priv->mutex); return -EIO; @@ -7573,8 +7678,8 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, IWL_DEBUG_MAC80211("leave\n"); spin_unlock_irqrestore(&priv->lock, flags); -#ifdef CONFIG_IWLWIFI_QOS - iwl_reset_qos(priv); +#ifdef CONFIG_IWL3945_QOS + iwl3945_reset_qos(priv); #endif queue_work(priv->workqueue, &priv->post_associate.work); @@ -7590,7 +7695,7 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, * *****************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG /* * The following adds a new attribute to the sysfs representation @@ -7602,7 +7707,7 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, static ssize_t show_debug_level(struct device_driver *d, char *buf) { - return sprintf(buf, "0x%08X\n", iwl_debug_level); + return sprintf(buf, "0x%08X\n", iwl3945_debug_level); } static ssize_t store_debug_level(struct device_driver *d, const char *buf, size_t count) @@ -7615,7 +7720,7 @@ static ssize_t store_debug_level(struct device_driver *d, printk(KERN_INFO DRV_NAME ": %s is not in hex or decimal form.\n", buf); else - iwl_debug_level = val; + iwl3945_debug_level = val; return strnlen(buf, count); } @@ -7623,7 +7728,7 @@ static ssize_t store_debug_level(struct device_driver *d, static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level, store_debug_level); -#endif /* CONFIG_IWLWIFI_DEBUG */ +#endif /* CONFIG_IWL3945_DEBUG */ static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr, char *buf) @@ -7634,7 +7739,7 @@ static ssize_t show_rf_kill(struct device *d, * 2 - HW based RF kill active * 3 - Both HW and SW based RF kill active */ - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; int val = (test_bit(STATUS_RF_KILL_SW, &priv->status) ? 0x1 : 0x0) | (test_bit(STATUS_RF_KILL_HW, &priv->status) ? 0x2 : 0x0); @@ -7645,10 +7750,10 @@ static ssize_t store_rf_kill(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; mutex_lock(&priv->mutex); - iwl_radio_kill_sw(priv, buf[0] == '1'); + iwl3945_radio_kill_sw(priv, buf[0] == '1'); mutex_unlock(&priv->mutex); return count; @@ -7659,12 +7764,12 @@ static DEVICE_ATTR(rf_kill, S_IWUSR | S_IRUGO, show_rf_kill, store_rf_kill); static ssize_t show_temperature(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -EAGAIN; - return sprintf(buf, "%d\n", iwl_hw_get_temperature(priv)); + return sprintf(buf, "%d\n", iwl3945_hw_get_temperature(priv)); } static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); @@ -7673,15 +7778,15 @@ static ssize_t show_rs_window(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = d->driver_data; - return iwl_fill_rs_info(priv->hw, buf, IWL_AP_ID); + struct iwl3945_priv *priv = d->driver_data; + return iwl3945_fill_rs_info(priv->hw, buf, IWL_AP_ID); } static DEVICE_ATTR(rs_window, S_IRUGO, show_rs_window, NULL); 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; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "%d\n", priv->user_txpower_limit); } @@ -7689,7 +7794,7 @@ static ssize_t store_tx_power(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; char *p = (char *)buf; u32 val; @@ -7698,7 +7803,7 @@ static ssize_t store_tx_power(struct device *d, printk(KERN_INFO DRV_NAME ": %s is not in decimal form.\n", buf); else - iwl_hw_reg_set_txpower(priv, val); + iwl3945_hw_reg_set_txpower(priv, val); return count; } @@ -7708,7 +7813,7 @@ static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power); static ssize_t show_flags(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "0x%04X\n", priv->active_rxon.flags); } @@ -7717,19 +7822,19 @@ static ssize_t store_flags(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; u32 flags = simple_strtoul(buf, NULL, 0); mutex_lock(&priv->mutex); if (le32_to_cpu(priv->staging_rxon.flags) != flags) { /* Cancel any currently running scans... */ - if (iwl_scan_cancel_timeout(priv, 100)) + if (iwl3945_scan_cancel_timeout(priv, 100)) IWL_WARNING("Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n", flags); priv->staging_rxon.flags = cpu_to_le32(flags); - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -7742,7 +7847,7 @@ static DEVICE_ATTR(flags, S_IWUSR | S_IRUGO, show_flags, store_flags); static ssize_t show_filter_flags(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "0x%04X\n", le32_to_cpu(priv->active_rxon.filter_flags)); @@ -7752,20 +7857,20 @@ static ssize_t store_filter_flags(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; u32 filter_flags = simple_strtoul(buf, NULL, 0); mutex_lock(&priv->mutex); if (le32_to_cpu(priv->staging_rxon.filter_flags) != filter_flags) { /* Cancel any currently running scans... */ - if (iwl_scan_cancel_timeout(priv, 100)) + if (iwl3945_scan_cancel_timeout(priv, 100)) IWL_WARNING("Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing rxon.filter_flags = " "0x%04X\n", filter_flags); priv->staging_rxon.filter_flags = cpu_to_le32(filter_flags); - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -7779,20 +7884,20 @@ static DEVICE_ATTR(filter_flags, S_IWUSR | S_IRUGO, show_filter_flags, static ssize_t show_tune(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "0x%04X\n", (priv->phymode << 8) | le16_to_cpu(priv->active_rxon.channel)); } -static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode); +static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv, u8 phymode); static ssize_t store_tune(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; char *p = (char *)buf; u16 tune = simple_strtoul(p, &p, 0); u8 phymode = (tune >> 8) & 0xff; @@ -7803,9 +7908,9 @@ static ssize_t store_tune(struct device *d, mutex_lock(&priv->mutex); if ((le16_to_cpu(priv->staging_rxon.channel) != channel) || (priv->phymode != phymode)) { - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; - ch_info = iwl_get_channel_info(priv, phymode, channel); + ch_info = iwl3945_get_channel_info(priv, phymode, channel); if (!ch_info) { IWL_WARNING("Requested invalid phymode/channel " "combination: %d %d\n", phymode, channel); @@ -7814,18 +7919,18 @@ static ssize_t store_tune(struct device *d, } /* Cancel any currently running scans... */ - if (iwl_scan_cancel_timeout(priv, 100)) + if (iwl3945_scan_cancel_timeout(priv, 100)) IWL_WARNING("Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing phymode and " "rxon.channel = %d %d\n", phymode, channel); - iwl_set_rxon_channel(priv, phymode, channel); - iwl_set_flags_for_phymode(priv, phymode); + iwl3945_set_rxon_channel(priv, phymode, channel); + iwl3945_set_flags_for_phymode(priv, phymode); - iwl_set_rate(priv); - iwl_commit_rxon(priv); + iwl3945_set_rate(priv); + iwl3945_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -7835,13 +7940,13 @@ static ssize_t store_tune(struct device *d, static DEVICE_ATTR(tune, S_IWUSR | S_IRUGO, show_tune, store_tune); -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT static ssize_t show_measurement(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); - struct iwl_spectrum_notification measure_report; + struct iwl3945_priv *priv = dev_get_drvdata(d); + struct iwl3945_spectrum_notification measure_report; u32 size = sizeof(measure_report), len = 0, ofs = 0; u8 *data = (u8 *) & measure_report; unsigned long flags; @@ -7873,7 +7978,7 @@ static ssize_t store_measurement(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); struct ieee80211_measurement_params params = { .channel = le16_to_cpu(priv->active_rxon.channel), .start_time = cpu_to_le64(priv->last_tsf), @@ -7899,19 +8004,19 @@ static ssize_t store_measurement(struct device *d, IWL_DEBUG_INFO("Invoking measurement of type %d on " "channel %d (for '%s')\n", type, params.channel, buf); - iwl_get_measurement(priv, ¶ms, type); + iwl3945_get_measurement(priv, ¶ms, type); return count; } static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR, show_measurement, store_measurement); -#endif /* CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT */ +#endif /* CONFIG_IWL3945_SPECTRUM_MEASUREMENT */ static ssize_t show_rate(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); unsigned long flags; int i; @@ -7922,13 +8027,13 @@ static ssize_t show_rate(struct device *d, i = priv->stations[IWL_STA_ID].current_rate.s.rate; spin_unlock_irqrestore(&priv->sta_lock, flags); - i = iwl_rate_index_from_plcp(i); + i = iwl3945_rate_index_from_plcp(i); if (i == -1) return sprintf(buf, "0\n"); return sprintf(buf, "%d%s\n", - (iwl_rates[i].ieee >> 1), - (iwl_rates[i].ieee & 0x1) ? ".5" : ""); + (iwl3945_rates[i].ieee >> 1), + (iwl3945_rates[i].ieee & 0x1) ? ".5" : ""); } static DEVICE_ATTR(rate, S_IRUSR, show_rate, NULL); @@ -7937,7 +8042,7 @@ static ssize_t store_retry_rate(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); priv->retry_rate = simple_strtoul(buf, NULL, 0); if (priv->retry_rate <= 0) @@ -7949,7 +8054,7 @@ static ssize_t store_retry_rate(struct device *d, static ssize_t show_retry_rate(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); return sprintf(buf, "%d", priv->retry_rate); } @@ -7960,14 +8065,14 @@ static ssize_t store_power_level(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); int rc; int mode; mode = simple_strtoul(buf, NULL, 0); mutex_lock(&priv->mutex); - if (!iwl_is_ready(priv)) { + if (!iwl3945_is_ready(priv)) { rc = -EAGAIN; goto out; } @@ -7978,7 +8083,7 @@ static ssize_t store_power_level(struct device *d, mode |= IWL_POWER_ENABLED; if (mode != priv->power_mode) { - rc = iwl_send_power_mode(priv, IWL_POWER_LEVEL(mode)); + rc = iwl3945_send_power_mode(priv, IWL_POWER_LEVEL(mode)); if (rc) { IWL_DEBUG_MAC80211("failed setting power mode.\n"); goto out; @@ -8014,7 +8119,7 @@ static const s32 period_duration[] = { static ssize_t show_power_level(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); int level = IWL_POWER_LEVEL(priv->power_mode); char *p = buf; @@ -8049,18 +8154,18 @@ static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level, static ssize_t show_channels(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); int len = 0, i; struct ieee80211_channel *channels = NULL; const struct ieee80211_hw_mode *hw_mode = NULL; int count = 0; - if (!iwl_is_ready(priv)) + if (!iwl3945_is_ready(priv)) return -EAGAIN; - hw_mode = iwl_get_hw_mode(priv, MODE_IEEE80211G); + hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211G); if (!hw_mode) - hw_mode = iwl_get_hw_mode(priv, MODE_IEEE80211B); + hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211B); if (hw_mode) { channels = hw_mode->channels; count = hw_mode->num_channels; @@ -8087,7 +8192,7 @@ static ssize_t show_channels(struct device *d, flag & IEEE80211_CHAN_W_ACTIVE_SCAN ? "active/passive" : "passive only"); - hw_mode = iwl_get_hw_mode(priv, MODE_IEEE80211A); + hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211A); if (hw_mode) { channels = hw_mode->channels; count = hw_mode->num_channels; @@ -8123,17 +8228,17 @@ static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL); static ssize_t show_statistics(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); - u32 size = sizeof(struct iwl_notif_statistics); + struct iwl3945_priv *priv = dev_get_drvdata(d); + u32 size = sizeof(struct iwl3945_notif_statistics); u32 len = 0, ofs = 0; u8 *data = (u8 *) & priv->statistics; int rc = 0; - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -EAGAIN; mutex_lock(&priv->mutex); - rc = iwl_send_statistics_request(priv); + rc = iwl3945_send_statistics_request(priv); mutex_unlock(&priv->mutex); if (rc) { @@ -8161,9 +8266,9 @@ static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL); static ssize_t show_antenna(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -EAGAIN; return sprintf(buf, "%d\n", priv->antenna); @@ -8174,7 +8279,7 @@ static ssize_t store_antenna(struct device *d, const char *buf, size_t count) { int ant; - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); if (count == 0) return 0; @@ -8186,7 +8291,7 @@ static ssize_t store_antenna(struct device *d, if ((ant >= 0) && (ant <= 2)) { IWL_DEBUG_INFO("Setting antenna select to %d.\n", ant); - priv->antenna = (enum iwl_antenna)ant; + priv->antenna = (enum iwl3945_antenna)ant; } else IWL_DEBUG_INFO("Bad antenna select value %d.\n", ant); @@ -8199,8 +8304,8 @@ static DEVICE_ATTR(antenna, S_IWUSR | S_IRUGO, show_antenna, store_antenna); static ssize_t show_status(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; - if (!iwl_is_alive(priv)) + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; + if (!iwl3945_is_alive(priv)) return -EAGAIN; return sprintf(buf, "0x%08x\n", (int)priv->status); } @@ -8214,7 +8319,7 @@ static ssize_t dump_error_log(struct device *d, char *p = (char *)buf; if (p[0] == '1') - iwl_dump_nic_error_log((struct iwl_priv *)d->driver_data); + iwl3945_dump_nic_error_log((struct iwl3945_priv *)d->driver_data); return strnlen(buf, count); } @@ -8228,7 +8333,7 @@ static ssize_t dump_event_log(struct device *d, char *p = (char *)buf; if (p[0] == '1') - iwl_dump_nic_event_log((struct iwl_priv *)d->driver_data); + iwl3945_dump_nic_event_log((struct iwl3945_priv *)d->driver_data); return strnlen(buf, count); } @@ -8241,49 +8346,50 @@ static DEVICE_ATTR(dump_events, S_IWUSR, NULL, dump_event_log); * *****************************************************************************/ -static void iwl_setup_deferred_work(struct iwl_priv *priv) +static void iwl3945_setup_deferred_work(struct iwl3945_priv *priv) { priv->workqueue = create_workqueue(DRV_NAME); init_waitqueue_head(&priv->wait_command_queue); - INIT_WORK(&priv->up, iwl_bg_up); - INIT_WORK(&priv->restart, iwl_bg_restart); - INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish); - INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed); - INIT_WORK(&priv->request_scan, iwl_bg_request_scan); - INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan); - INIT_WORK(&priv->rf_kill, iwl_bg_rf_kill); - INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); - INIT_DELAYED_WORK(&priv->post_associate, iwl_bg_post_associate); - INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start); - INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start); - INIT_DELAYED_WORK(&priv->scan_check, iwl_bg_scan_check); - - iwl_hw_setup_deferred_work(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->beacon_update, iwl3945_bg_beacon_update); + INIT_DELAYED_WORK(&priv->post_associate, iwl3945_bg_post_associate); + 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); + + iwl3945_hw_setup_deferred_work(priv); tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) - iwl_irq_tasklet, (unsigned long)priv); + iwl3945_irq_tasklet, (unsigned long)priv); } -static void iwl_cancel_deferred_work(struct iwl_priv *priv) +static void iwl3945_cancel_deferred_work(struct iwl3945_priv *priv) { - iwl_hw_cancel_deferred_work(priv); + iwl3945_hw_cancel_deferred_work(priv); + cancel_delayed_work_sync(&priv->init_alive_start); cancel_delayed_work(&priv->scan_check); cancel_delayed_work(&priv->alive_start); cancel_delayed_work(&priv->post_associate); cancel_work_sync(&priv->beacon_update); } -static struct attribute *iwl_sysfs_entries[] = { +static struct attribute *iwl3945_sysfs_entries[] = { &dev_attr_antenna.attr, &dev_attr_channels.attr, &dev_attr_dump_errors.attr, &dev_attr_dump_events.attr, &dev_attr_flags.attr, &dev_attr_filter_flags.attr, -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT &dev_attr_measurement.attr, #endif &dev_attr_power_level.attr, @@ -8300,45 +8406,48 @@ static struct attribute *iwl_sysfs_entries[] = { NULL }; -static struct attribute_group iwl_attribute_group = { +static struct attribute_group iwl3945_attribute_group = { .name = NULL, /* put in device directory */ - .attrs = iwl_sysfs_entries, + .attrs = iwl3945_sysfs_entries, }; -static struct ieee80211_ops iwl_hw_ops = { - .tx = iwl_mac_tx, - .start = iwl_mac_start, - .stop = iwl_mac_stop, - .add_interface = iwl_mac_add_interface, - .remove_interface = iwl_mac_remove_interface, - .config = iwl_mac_config, - .config_interface = iwl_mac_config_interface, - .configure_filter = iwl_configure_filter, - .set_key = iwl_mac_set_key, - .get_stats = iwl_mac_get_stats, - .get_tx_stats = iwl_mac_get_tx_stats, - .conf_tx = iwl_mac_conf_tx, - .get_tsf = iwl_mac_get_tsf, - .reset_tsf = iwl_mac_reset_tsf, - .beacon_update = iwl_mac_beacon_update, - .hw_scan = iwl_mac_hw_scan +static struct ieee80211_ops iwl3945_hw_ops = { + .tx = iwl3945_mac_tx, + .start = iwl3945_mac_start, + .stop = iwl3945_mac_stop, + .add_interface = iwl3945_mac_add_interface, + .remove_interface = iwl3945_mac_remove_interface, + .config = iwl3945_mac_config, + .config_interface = iwl3945_mac_config_interface, + .configure_filter = iwl3945_configure_filter, + .set_key = iwl3945_mac_set_key, + .get_stats = iwl3945_mac_get_stats, + .get_tx_stats = iwl3945_mac_get_tx_stats, + .conf_tx = iwl3945_mac_conf_tx, + .get_tsf = iwl3945_mac_get_tsf, + .reset_tsf = iwl3945_mac_reset_tsf, + .beacon_update = iwl3945_mac_beacon_update, + .hw_scan = iwl3945_mac_hw_scan }; -static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int err = 0; u32 pci_id; - struct iwl_priv *priv; + struct iwl3945_priv *priv; struct ieee80211_hw *hw; int i; + DECLARE_MAC_BUF(mac); - if (iwl_param_disable_hw_scan) { + /* Disabling hardware scan means that mac80211 will perform scans + * "the hard way", rather than using device's scan. */ + if (iwl3945_param_disable_hw_scan) { IWL_DEBUG_INFO("Disabling hw_scan\n"); - iwl_hw_ops.hw_scan = NULL; + iwl3945_hw_ops.hw_scan = NULL; } - if ((iwl_param_queues_num > IWL_MAX_NUM_QUEUES) || - (iwl_param_queues_num < IWL_MIN_NUM_QUEUES)) { + if ((iwl3945_param_queues_num > IWL_MAX_NUM_QUEUES) || + (iwl3945_param_queues_num < IWL_MIN_NUM_QUEUES)) { IWL_ERROR("invalid queues_num, should be between %d and %d\n", IWL_MIN_NUM_QUEUES, IWL_MAX_NUM_QUEUES); err = -EINVAL; @@ -8347,7 +8456,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* mac80211 allocates memory for this device instance, including * space for this driver's private structure */ - hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwl_hw_ops); + hw = ieee80211_alloc_hw(sizeof(struct iwl3945_priv), &iwl3945_hw_ops); if (hw == NULL) { IWL_ERROR("Can not allocate network device\n"); err = -ENOMEM; @@ -8362,9 +8471,11 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->hw = hw; priv->pci_dev = pdev; - priv->antenna = (enum iwl_antenna)iwl_param_antenna; -#ifdef CONFIG_IWLWIFI_DEBUG - iwl_debug_level = iwl_param_debug; + + /* Select antenna (may be helpful if only one antenna is connected) */ + priv->antenna = (enum iwl3945_antenna)iwl3945_param_antenna; +#ifdef CONFIG_IWL3945_DEBUG + iwl3945_debug_level = iwl3945_param_debug; atomic_set(&priv->restrict_refcnt, 0); #endif priv->retry_rate = 1; @@ -8383,6 +8494,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Tell mac80211 our Tx characteristics */ hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE; + /* 4 EDCA QOS priorities */ hw->queues = 4; spin_lock_init(&priv->lock); @@ -8403,7 +8515,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - iwl_clear_stations_table(priv); + /* Clear the driver's (not device's) station table */ + iwl3945_clear_stations_table(priv); priv->data_retry_limit = -1; priv->ieee_channels = NULL; @@ -8422,9 +8535,11 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = pci_request_regions(pdev, DRV_NAME); if (err) goto out_pci_disable_device; + /* We disable the RETRY_TIMEOUT register (0x41) to keep * PCI Tx retries from interfering with C3 CPU state */ pci_write_config_byte(pdev, 0x41, 0x00); + priv->hw_base = pci_iomap(pdev, 0, 0); if (!priv->hw_base) { err = -ENODEV; @@ -8437,7 +8552,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Initialize module parameter values here */ - if (iwl_param_disable) { + /* Disable radio (SW RF KILL) via parameter when loading driver */ + if (iwl3945_param_disable) { set_bit(STATUS_RF_KILL_SW, &priv->status); IWL_DEBUG_INFO("Radio disabled.\n"); } @@ -8472,78 +8588,99 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->is_abg ? "A" : ""); /* Device-specific setup */ - if (iwl_hw_set_hw_setting(priv)) { + if (iwl3945_hw_set_hw_setting(priv)) { IWL_ERROR("failed to set hw settings\n"); - mutex_unlock(&priv->mutex); goto out_iounmap; } -#ifdef CONFIG_IWLWIFI_QOS - if (iwl_param_qos_enable) +#ifdef CONFIG_IWL3945_QOS + if (iwl3945_param_qos_enable) priv->qos_data.qos_enable = 1; - iwl_reset_qos(priv); + iwl3945_reset_qos(priv); priv->qos_data.qos_active = 0; priv->qos_data.qos_cap.val = 0; -#endif /* CONFIG_IWLWIFI_QOS */ +#endif /* CONFIG_IWL3945_QOS */ - iwl_set_rxon_channel(priv, MODE_IEEE80211G, 6); - iwl_setup_deferred_work(priv); - iwl_setup_rx_handlers(priv); + iwl3945_set_rxon_channel(priv, MODE_IEEE80211G, 6); + iwl3945_setup_deferred_work(priv); + iwl3945_setup_rx_handlers(priv); priv->rates_mask = IWL_RATES_MASK; /* If power management is turned on, default to AC mode */ priv->power_mode = IWL_POWER_AC; priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; - pci_enable_msi(pdev); + iwl3945_disable_interrupts(priv); - err = request_irq(pdev->irq, iwl_isr, IRQF_SHARED, DRV_NAME, priv); + err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group); if (err) { - IWL_ERROR("Error allocating IRQ %d\n", pdev->irq); - goto out_disable_msi; + IWL_ERROR("failed to create sysfs device attributes\n"); + goto out_release_irq; } - mutex_lock(&priv->mutex); - - err = sysfs_create_group(&pdev->dev.kobj, &iwl_attribute_group); + /* nic init */ + iwl3945_set_bit(priv, CSR_GIO_CHICKEN_BITS, + CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); + + iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + err = iwl3945_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + if (err < 0) { + IWL_DEBUG_INFO("Failed to init the card\n"); + goto out_remove_sysfs; + } + /* Read the EEPROM */ + err = iwl3945_eeprom_init(priv); if (err) { - IWL_ERROR("failed to create sysfs device attributes\n"); - mutex_unlock(&priv->mutex); - goto out_release_irq; + IWL_ERROR("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); + IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac, priv->mac_addr)); + SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); - /* fetch ucode file from disk, alloc and copy to bus-master buffers ... - * ucode filename and max sizes are card-specific. */ - err = iwl_read_ucode(priv); + err = iwl3945_init_channel_map(priv); if (err) { - IWL_ERROR("Could not read microcode: %d\n", err); - mutex_unlock(&priv->mutex); - goto out_pci_alloc; + IWL_ERROR("initializing regulatory failed: %d\n", err); + goto out_remove_sysfs; } - mutex_unlock(&priv->mutex); + err = iwl3945_init_geos(priv); + if (err) { + IWL_ERROR("initializing geos failed: %d\n", err); + goto out_free_channel_map; + } + iwl3945_reset_channel_flag(priv); - IWL_DEBUG_INFO("Queing UP work.\n"); + iwl3945_rate_control_register(priv->hw); + err = ieee80211_register_hw(priv->hw); + if (err) { + IWL_ERROR("Failed to register network device (error %d)\n", err); + goto out_free_geos; + } - queue_work(priv->workqueue, &priv->up); + priv->hw->conf.beacon_int = 100; + priv->mac80211_registered = 1; + pci_save_state(pdev); + pci_disable_device(pdev); return 0; - out_pci_alloc: - iwl_dealloc_ucode_pci(priv); - - sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group); + out_free_geos: + iwl3945_free_geos(priv); + out_free_channel_map: + iwl3945_free_channel_map(priv); + out_remove_sysfs: + sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); out_release_irq: - free_irq(pdev->irq, priv); - - out_disable_msi: - pci_disable_msi(pdev); destroy_workqueue(priv->workqueue); priv->workqueue = NULL; - iwl_unset_hw_setting(priv); + iwl3945_unset_hw_setting(priv); out_iounmap: pci_iounmap(pdev, priv->hw_base); @@ -8558,9 +8695,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return err; } -static void iwl_pci_remove(struct pci_dev *pdev) +static void iwl3945_pci_remove(struct pci_dev *pdev) { - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl3945_priv *priv = pci_get_drvdata(pdev); struct list_head *p, *q; int i; @@ -8569,55 +8706,50 @@ static void iwl_pci_remove(struct pci_dev *pdev) IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n"); - mutex_lock(&priv->mutex); set_bit(STATUS_EXIT_PENDING, &priv->status); - __iwl_down(priv); - mutex_unlock(&priv->mutex); + + iwl3945_down(priv); /* Free MAC hash list for ADHOC */ for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) { list_for_each_safe(p, q, &priv->ibss_mac_hash[i]) { list_del(p); - kfree(list_entry(p, struct iwl_ibss_seq, list)); + kfree(list_entry(p, struct iwl3945_ibss_seq, list)); } } - sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group); + sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); - iwl_dealloc_ucode_pci(priv); + iwl3945_dealloc_ucode_pci(priv); if (priv->rxq.bd) - iwl_rx_queue_free(priv, &priv->rxq); - iwl_hw_txq_ctx_free(priv); + iwl3945_rx_queue_free(priv, &priv->rxq); + iwl3945_hw_txq_ctx_free(priv); - iwl_unset_hw_setting(priv); - iwl_clear_stations_table(priv); + iwl3945_unset_hw_setting(priv); + iwl3945_clear_stations_table(priv); if (priv->mac80211_registered) { ieee80211_unregister_hw(priv->hw); - iwl_rate_control_unregister(priv->hw); + iwl3945_rate_control_unregister(priv->hw); } /*netif_stop_queue(dev); */ flush_workqueue(priv->workqueue); - /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes + /* ieee80211_unregister_hw calls iwl3945_mac_stop, which flushes * priv->workqueue... so we can't take down the workqueue * until now... */ 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); - kfree(priv->channel_info); - - kfree(priv->ieee_channels); - kfree(priv->ieee_rates); + iwl3945_free_channel_map(priv); + iwl3945_free_geos(priv); if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); @@ -8627,100 +8759,31 @@ static void iwl_pci_remove(struct pci_dev *pdev) #ifdef CONFIG_PM -static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) +static int iwl3945_pci_suspend(struct pci_dev *pdev, pm_message_t state) { - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl3945_priv *priv = pci_get_drvdata(pdev); - mutex_lock(&priv->mutex); - - set_bit(STATUS_IN_SUSPEND, &priv->status); - - /* Take down the device; powers it off, etc. */ - __iwl_down(priv); - - if (priv->mac80211_registered) - ieee80211_stop_queues(priv->hw); + if (priv->is_open) { + set_bit(STATUS_IN_SUSPEND, &priv->status); + iwl3945_mac_stop(priv->hw); + priv->is_open = 1; + } - pci_save_state(pdev); - pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); - mutex_unlock(&priv->mutex); - return 0; } -static void iwl_resume(struct iwl_priv *priv) +static int iwl3945_pci_resume(struct pci_dev *pdev) { - unsigned long flags; - - /* The following it a temporary work around due to the - * suspend / resume not fully initializing the NIC correctly. - * Without all of the following, resume will not attempt to take - * down the NIC (it shouldn't really need to) and will just try - * and bring the NIC back up. However that fails during the - * ucode verification process. This then causes iwl_down to be - * called *after* iwl_hw_nic_init() has succeeded -- which - * then lets the next init sequence succeed. So, we've - * replicated all of that NIC init code here... */ - - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - - iwl_hw_nic_init(priv); - - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, - CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - - /* tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); - - spin_lock_irqsave(&priv->lock, flags); - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - - if (!iwl_grab_restricted_access(priv)) { - iwl_write_restricted_reg(priv, APMG_CLK_DIS_REG, - APMG_CLK_VAL_DMA_CLK_RQT); - iwl_release_restricted_access(priv); - } - spin_unlock_irqrestore(&priv->lock, flags); - - udelay(5); - - iwl_hw_nic_reset(priv); - - /* Bring the device back up */ - clear_bit(STATUS_IN_SUSPEND, &priv->status); - queue_work(priv->workqueue, &priv->up); -} - -static int iwl_pci_resume(struct pci_dev *pdev) -{ - struct iwl_priv *priv = pci_get_drvdata(pdev); - int err; - - printk(KERN_INFO "Coming out of suspend...\n"); - - mutex_lock(&priv->mutex); + struct iwl3945_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); - err = pci_enable_device(pdev); - pci_restore_state(pdev); - /* - * Suspend/Resume resets the PCI configuration space, so we have to - * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries - * from interfering with C3 CPU state. pci_restore_state won't help - * here since it only restores the first 64 bytes pci config header. - */ - pci_write_config_byte(pdev, 0x41, 0x00); - - iwl_resume(priv); - mutex_unlock(&priv->mutex); + if (priv->is_open) + iwl3945_mac_start(priv->hw); + clear_bit(STATUS_IN_SUSPEND, &priv->status); return 0; } @@ -8732,33 +8795,33 @@ static int iwl_pci_resume(struct pci_dev *pdev) * *****************************************************************************/ -static struct pci_driver iwl_driver = { +static struct pci_driver iwl3945_driver = { .name = DRV_NAME, - .id_table = iwl_hw_card_ids, - .probe = iwl_pci_probe, - .remove = __devexit_p(iwl_pci_remove), + .id_table = iwl3945_hw_card_ids, + .probe = iwl3945_pci_probe, + .remove = __devexit_p(iwl3945_pci_remove), #ifdef CONFIG_PM - .suspend = iwl_pci_suspend, - .resume = iwl_pci_resume, + .suspend = iwl3945_pci_suspend, + .resume = iwl3945_pci_resume, #endif }; -static int __init iwl_init(void) +static int __init iwl3945_init(void) { int ret; printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n"); printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n"); - ret = pci_register_driver(&iwl_driver); + ret = pci_register_driver(&iwl3945_driver); if (ret) { IWL_ERROR("Unable to initialize PCI module\n"); return ret; } -#ifdef CONFIG_IWLWIFI_DEBUG - ret = driver_create_file(&iwl_driver.driver, &driver_attr_debug_level); +#ifdef CONFIG_IWL3945_DEBUG + ret = driver_create_file(&iwl3945_driver.driver, &driver_attr_debug_level); if (ret) { IWL_ERROR("Unable to create driver sysfs file\n"); - pci_unregister_driver(&iwl_driver); + pci_unregister_driver(&iwl3945_driver); return ret; } #endif @@ -8766,32 +8829,32 @@ static int __init iwl_init(void) return ret; } -static void __exit iwl_exit(void) +static void __exit iwl3945_exit(void) { -#ifdef CONFIG_IWLWIFI_DEBUG - driver_remove_file(&iwl_driver.driver, &driver_attr_debug_level); +#ifdef CONFIG_IWL3945_DEBUG + driver_remove_file(&iwl3945_driver.driver, &driver_attr_debug_level); #endif - pci_unregister_driver(&iwl_driver); + pci_unregister_driver(&iwl3945_driver); } -module_param_named(antenna, iwl_param_antenna, int, 0444); +module_param_named(antenna, iwl3945_param_antenna, int, 0444); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); -module_param_named(disable, iwl_param_disable, int, 0444); +module_param_named(disable, iwl3945_param_disable, int, 0444); MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); -module_param_named(hwcrypto, iwl_param_hwcrypto, int, 0444); +module_param_named(hwcrypto, iwl3945_param_hwcrypto, int, 0444); MODULE_PARM_DESC(hwcrypto, "using hardware crypto engine (default 0 [software])\n"); -module_param_named(debug, iwl_param_debug, int, 0444); +module_param_named(debug, iwl3945_param_debug, int, 0444); MODULE_PARM_DESC(debug, "debug output mask"); -module_param_named(disable_hw_scan, iwl_param_disable_hw_scan, int, 0444); +module_param_named(disable_hw_scan, iwl3945_param_disable_hw_scan, int, 0444); MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); -module_param_named(queues_num, iwl_param_queues_num, int, 0444); +module_param_named(queues_num, iwl3945_param_queues_num, int, 0444); MODULE_PARM_DESC(queues_num, "number of hw queues."); /* QoS */ -module_param_named(qos_enable, iwl_param_qos_enable, int, 0444); +module_param_named(qos_enable, iwl3945_param_qos_enable, int, 0444); MODULE_PARM_DESC(qos_enable, "enable all QoS functionality"); -module_exit(iwl_exit); -module_init(iwl_init); +module_exit(iwl3945_exit); +module_init(iwl3945_init); |