/******************************************************************************
*
- * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
#include <asm/div64.h>
+#include "iwl-3945-core.h"
#include "iwl-3945.h"
#include "iwl-helpers.h"
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 */
+int iwl3945_param_queues_num = IWL39_MAX_NUM_QUEUES; /* def: 8 Tx queues */
/*
* module name, copyright, version, etc.
#define VS
#endif
-#define IWLWIFI_VERSION "1.2.23k" VD VS
-#define DRV_COPYRIGHT "Copyright(c) 2003-2007 Intel Corporation"
+#define IWLWIFI_VERSION "1.2.26k" VD VS
+#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation"
#define DRV_VERSION IWLWIFI_VERSION
-/* Change firmware file name, using "-" and incrementing number,
- * *only* when uCode interface or architecture changes so that it
- * is not compatible with earlier drivers.
- * This number will also appear in << 8 position of 1st dword of uCode file */
-#define IWL3945_UCODE_API "-1"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_VERSION(DRV_VERSION);
return escaped;
}
-static void iwl3945_print_hex_dump(int level, void *p, u32 len)
-{
-#ifdef CONFIG_IWL3945_DEBUG
- if (!(iwl3945_debug_level & level))
- return;
-
- print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
- p, len, 1);
-#endif
-}
-
/*************** DMA-QUEUE-GENERAL-FUNCTIONS *****
* DMA services
*
* (#0-3) for data tx via EDCA. An additional 2 HCCA queues are unused.
***************************************************/
-static int iwl3945_queue_space(const struct iwl3945_queue *q)
+int iwl3945_queue_space(const struct iwl3945_queue *q)
{
int s = q->read_ptr - q->write_ptr;
return s;
}
-/**
- * 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);
-}
-
-/**
- * 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 iwl3945_queue *q, int i)
+int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i)
{
return q->write_ptr > q->read_ptr ?
(i >= q->read_ptr && i < q->write_ptr) :
!(i < q->read_ptr && i >= q->write_ptr);
}
+
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 */
q->n_window = slots_num;
q->id = id;
- /* count must be power-of-two size, otherwise iwl3945_queue_inc_wrap
- * and iwl3945_queue_dec_wrap are broken. */
+ /* count must be power-of-two size, otherwise iwl_queue_inc_wrap
+ * and iwl_queue_dec_wrap are broken. */
BUG_ON(!is_power_of_2(count));
/* slots_num must be power-of-two size, otherwise
txq->need_update = 0;
/* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise
- * iwl3945_queue_inc_wrap and iwl3945_queue_dec_wrap are broken. */
+ * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */
BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1));
/* Initialize queue high/low-water, head/tail indexes */
/* first, empty all BD's */
for (; q->write_ptr != q->read_ptr;
- q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd))
+ q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd))
iwl3945_hw_txq_free_tfd(priv, txq);
len = sizeof(struct iwl3945_cmd) * q->n_window;
txq->need_update = 1;
/* Increment and update queue's write index */
- q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd);
+ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
ret = iwl3945_tx_queue_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->hcmd_lock, flags);
{
int cmd_idx;
int ret;
- static atomic_t entry = ATOMIC_INIT(0); /* reentrance protection */
BUG_ON(cmd->meta.flags & CMD_ASYNC);
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->meta.u.callback != NULL);
- if (atomic_xchg(&entry, 1)) {
+ if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
IWL_ERROR("Error sending %s: Already sending a host command\n",
get_cmd_string(cmd->id));
- return -EBUSY;
+ ret = -EBUSY;
+ goto out;
}
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
cmd->meta.u.skb = NULL;
}
out:
- atomic_set(&entry, 0);
+ clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
return ret;
}
return 0;
}
-/******************************************************************************
- *
- * Misc. internal state and helper functions
- *
- ******************************************************************************/
-#ifdef CONFIG_IWL3945_DEBUG
-
-/**
- * iwl3945_report_frame - dump frame to syslog during debug sessions
- *
- * 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.
- */
-void iwl3945_report_frame(struct iwl3945_priv *priv,
- struct iwl3945_rx_packet *pkt,
- struct ieee80211_hdr *header, int group100)
-{
- u32 to_us;
- u32 print_summary = 0;
- u32 print_dump = 0; /* set to 1 to dump all frames' contents */
- u32 hundred = 0;
- u32 dataframe = 0;
- u16 fc;
- u16 seq_ctl;
- u16 channel;
- u16 phy_flags;
- int rate_sym;
- u16 length;
- u16 status;
- u16 bcn_tmr;
- u32 tsf_low;
- u64 tsf;
- u8 rssi;
- u8 agc;
- u16 sig_avg;
- u16 noise_diff;
- 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 */
- fc = le16_to_cpu(header->frame_control);
- seq_ctl = le16_to_cpu(header->seq_ctrl);
-
- /* metadata */
- channel = le16_to_cpu(rx_hdr->channel);
- phy_flags = le16_to_cpu(rx_hdr->phy_flags);
- rate_sym = rx_hdr->rate;
- length = le16_to_cpu(rx_hdr->len);
-
- /* end-of-frame status and timestamp */
- status = le32_to_cpu(rx_end->status);
- bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp);
- tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff;
- tsf = le64_to_cpu(rx_end->timestamp);
-
- /* signal statistics */
- rssi = rx_stats->rssi;
- agc = rx_stats->agc;
- sig_avg = le16_to_cpu(rx_stats->sig_avg);
- noise_diff = le16_to_cpu(rx_stats->noise_diff);
-
- to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
-
- /* if data frame is to us and all is good,
- * (optionally) print summary for only 1 out of every 100 */
- if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) ==
- (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
- dataframe = 1;
- if (!group100)
- print_summary = 1; /* print each frame */
- else if (priv->framecnt_to_us < 100) {
- priv->framecnt_to_us++;
- print_summary = 0;
- } else {
- priv->framecnt_to_us = 0;
- print_summary = 1;
- hundred = 1;
- }
- } else {
- /* print summary for all other frames */
- print_summary = 1;
- }
-
- if (print_summary) {
- char *title;
- u32 rate;
-
- if (hundred)
- title = "100Frames";
- else if (fc & IEEE80211_FCTL_RETRY)
- title = "Retry";
- else if (ieee80211_is_assoc_response(fc))
- title = "AscRsp";
- else if (ieee80211_is_reassoc_response(fc))
- title = "RasRsp";
- else if (ieee80211_is_probe_response(fc)) {
- title = "PrbRsp";
- print_dump = 1; /* dump frame contents */
- } else if (ieee80211_is_beacon(fc)) {
- title = "Beacon";
- print_dump = 1; /* dump frame contents */
- } else if (ieee80211_is_atim(fc))
- title = "ATIM";
- else if (ieee80211_is_auth(fc))
- title = "Auth";
- else if (ieee80211_is_deauth(fc))
- title = "DeAuth";
- else if (ieee80211_is_disassoc(fc))
- title = "DisAssoc";
- else
- title = "Frame";
-
- rate = iwl3945_rate_index_from_plcp(rate_sym);
- if (rate == -1)
- rate = 0;
- else
- rate = iwl3945_rates[rate].ieee / 2;
-
- /* print frame summary.
- * MAC addresses show just the last byte (for brevity),
- * but you can hack it to show more, if you'd like to. */
- if (dataframe)
- IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
- "len=%u, rssi=%d, chnl=%d, rate=%u, \n",
- title, fc, header->addr1[5],
- length, rssi, channel, rate);
- else {
- /* src/dst addresses assume managed mode */
- IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
- "src=0x%02x, rssi=%u, tim=%lu usec, "
- "phy=0x%02x, chnl=%d\n",
- title, fc, header->addr1[5],
- header->addr3[5], rssi,
- tsf_low - priv->scan_start_tsf,
- phy_flags, channel);
- }
- }
- if (print_dump)
- iwl3945_print_hex_dump(IWL_DL_RX, data, length);
-}
-#endif
-
static void iwl3945_unset_hw_setting(struct iwl3945_priv *priv)
{
if (priv->hw_setting.shared_virt)
/*
* QoS support
*/
-#ifdef CONFIG_IWL3945_QOS
static int iwl3945_send_qos_params_command(struct iwl3945_priv *priv,
struct iwl3945_qosparam_cmd *qos)
{
}
}
-#endif /* CONFIG_IWL3945_QOS */
/*
* Power management (not Tx power!) functions
*/
return !compare_ether_addr(header->addr2, priv->bssid);
/* packets to our adapter go through */
return !compare_ether_addr(header->addr1, priv->mac_addr);
+ default:
+ return 1;
}
return 1;
}
-#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
-
-static const char *iwl3945_get_tx_fail_reason(u32 status)
-{
- switch (status & TX_STATUS_MSK) {
- case TX_STATUS_SUCCESS:
- return "SUCCESS";
- TX_STATUS_ENTRY(SHORT_LIMIT);
- TX_STATUS_ENTRY(LONG_LIMIT);
- TX_STATUS_ENTRY(FIFO_UNDERRUN);
- TX_STATUS_ENTRY(MGMNT_ABORT);
- TX_STATUS_ENTRY(NEXT_FRAG);
- TX_STATUS_ENTRY(LIFE_EXPIRE);
- TX_STATUS_ENTRY(DEST_PS);
- TX_STATUS_ENTRY(ABORTED);
- TX_STATUS_ENTRY(BT_RETRY);
- TX_STATUS_ENTRY(STA_INVALID);
- TX_STATUS_ENTRY(FRAG_DROPPED);
- TX_STATUS_ENTRY(TID_DISABLE);
- TX_STATUS_ENTRY(FRAME_FLUSHED);
- TX_STATUS_ENTRY(INSUFFICIENT_CF_POLL);
- TX_STATUS_ENTRY(TX_LOCKED);
- TX_STATUS_ENTRY(NO_BEACON_ON_RADAR);
- }
-
- return "UNKNOWN";
-}
-
/**
* iwl3945_scan_cancel - Cancel any currently executing HW scan
*
priv->staging_rxon.filter_flags = RXON_FILTER_PROMISC_MSK |
RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
break;
+ default:
+ IWL_ERROR("Unsupported interface type %d\n", priv->iw_mode);
+ break;
}
#if 0
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3);
else
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2);
- } else
+ } else {
cmd->cmd.tx.timeout.pm_frame_timeout = 0;
+#ifdef CONFIG_IWL3945_LEDS
+ priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len);
+#endif
+ }
cmd->cmd.tx.driver_txop = 0;
cmd->cmd.tx.tx_flags = tx_flags;
ieee80211_get_hdrlen(fc));
/* Tell device the write index *just past* this latest filled TFD */
- q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd);
+ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
rc = iwl3945_tx_queue_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
}
#endif
-static void iwl3945_txstatus_to_ieee(struct iwl3945_priv *priv,
- struct iwl3945_tx_info *tx_sta)
-{
-
- tx_sta->status.ack_signal = 0;
- tx_sta->status.excessive_retries = 0;
- tx_sta->status.queue_length = 0;
- tx_sta->status.queue_number = 0;
-
- if (in_interrupt())
- ieee80211_tx_status_irqsafe(priv->hw,
- tx_sta->skb[0], &(tx_sta->status));
- else
- ieee80211_tx_status(priv->hw,
- tx_sta->skb[0], &(tx_sta->status));
-
- tx_sta->skb[0] = NULL;
-}
-
-/**
- * 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 the stack that feeds us.
- */
-static int iwl3945_tx_queue_reclaim(struct iwl3945_priv *priv, int txq_id, int index)
-{
- 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->write_ptr, q->read_ptr);
- return 0;
- }
-
- 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) {
- 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->write_ptr, q->read_ptr);
- queue_work(priv->workqueue, &priv->restart);
- }
- nfreed++;
- }
-
- 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);
-
-
- return nfreed;
-}
-
-static int iwl3945_is_tx_success(u32 status)
-{
- return (status & 0xFF) == 0x1;
-}
-
-/******************************************************************************
- *
- * Generic RX handler implementations
- *
- ******************************************************************************/
-/**
- * iwl3945_rx_reply_tx - Handle Tx response
- */
-static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv,
- struct iwl3945_rx_mem_buffer *rxb)
-{
- 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 iwl3945_tx_queue *txq = &priv->txq[txq_id];
- struct ieee80211_tx_status *tx_status;
- 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.write_ptr,
- txq->q.read_ptr);
- return;
- }
-
- tx_status = &(txq->txb[txq->q.read_ptr].status);
-
- tx_status->retry_count = tx_resp->failure_frame;
- tx_status->queue_number = status;
- tx_status->queue_length = tx_resp->bt_kill_count;
- tx_status->queue_length |= tx_resp->failure_rts;
-
- tx_status->flags =
- iwl3945_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0;
-
- IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n",
- 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)
- 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 iwl3945_rx_reply_alive(struct iwl3945_priv *priv,
struct iwl3945_rx_mem_buffer *rxb)
{
priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] =
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;
/* Set up hardware specific Rx handlers */
iwl3945_hw_rx_handler_setup(priv);
}
+/**
+ * iwl3945_cmd_queue_reclaim - Reclaim CMD queue entries
+ * When FW advances 'R' index, all entries between old and new 'R' index
+ * need to be reclaimed.
+ */
+static void iwl3945_cmd_queue_reclaim(struct iwl3945_priv *priv,
+ int txq_id, int index)
+{
+ struct iwl3945_tx_queue *txq = &priv->txq[txq_id];
+ struct iwl3945_queue *q = &txq->q;
+ int nfreed = 0;
+
+ if ((index >= q->n_bd) || (iwl3945_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->write_ptr, q->read_ptr);
+ return;
+ }
+
+ for (index = iwl_queue_inc_wrap(index, q->n_bd); q->read_ptr != index;
+ q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
+ if (nfreed > 1) {
+ IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index,
+ q->write_ptr, q->read_ptr);
+ queue_work(priv->workqueue, &priv->restart);
+ break;
+ }
+ nfreed++;
+ }
+}
+
+
/**
* iwl3945_tx_cmd_complete - Pull unused buffers off the queue and reclaim them
* @rxb: Rx buffer to reclaim
int cmd_index;
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
- * in the queue management code. */
- if (txq_id != IWL_CMD_QUEUE_NUM)
- IWL_ERROR("Error wrong command queue %d command id 0x%X\n",
- txq_id, pkt->hdr.cmd);
BUG_ON(txq_id != IWL_CMD_QUEUE_NUM);
cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge);
!cmd->meta.u.callback(priv, cmd, rxb->skb))
rxb->skb = NULL;
- iwl3945_tx_queue_reclaim(priv, txq_id, index);
+ iwl3945_cmd_queue_reclaim(priv, txq_id, index);
if (!(cmd->meta.flags & CMD_ASYNC)) {
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
iwl3945_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK);
}
+
+/* call this function to flush any scheduled tasklet */
+static inline void iwl_synchronize_irq(struct iwl3945_priv *priv)
+{
+ /* wait to make sure we flush pedding tasklet*/
+ synchronize_irq(priv->pci_dev->irq);
+ tasklet_kill(&priv->irq_tasklet);
+}
+
+
static inline void iwl3945_disable_interrupts(struct iwl3945_priv *priv)
{
clear_bit(STATUS_INT_ENABLED, &priv->status);
if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
IWL_ERROR("Start IWL Error Log Dump:\n");
- IWL_ERROR("Status: 0x%08lX, Config: %08X count: %d\n",
- priv->status, priv->config, count);
+ IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count);
}
IWL_ERROR("Desc Time asrtPC blink2 "
* atomic, make sure that inta covers all the interrupts that
* we've discovered, even if FH interrupt came in just after
* reading CSR_INT. */
- if (inta_fh & CSR_FH_INT_RX_MASK)
+ if (inta_fh & CSR39_FH_INT_RX_MASK)
inta |= CSR_INT_BIT_FH_RX;
- if (inta_fh & CSR_FH_INT_TX_MASK)
+ if (inta_fh & CSR39_FH_INT_TX_MASK)
inta |= CSR_INT_BIT_FH_TX;
/* Now service all interrupt bits discovered above. */
/* Queue restart only if RF_KILL switch was set to "kill"
* when we loaded driver, and is now set to "enable".
* After we're Alive, RF_KILL gets handled by
- * iwl_rx_card_state_notif() */
+ * iwl3945_rx_card_state_notif() */
if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) {
clear_bit(STATUS_RF_KILL_HW, &priv->status);
queue_work(priv->workqueue, &priv->restart);
}
/* Re-enable all interrupts */
- iwl3945_enable_interrupts(priv);
+ /* only Re-enable if disabled by irq */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status))
+ iwl3945_enable_interrupts(priv);
#ifdef CONFIG_IWL3945_DEBUG
if (iwl3945_debug_level & (IWL_DL_ISR)) {
none:
/* re-enable interrupts here since we don't have anything to service. */
- iwl3945_enable_interrupts(priv);
+ /* only Re-enable if disabled by irq */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status))
+ iwl3945_enable_interrupts(priv);
spin_unlock(&priv->lock);
return IRQ_NONE;
}
ch_info->scan_power = eeprom_ch_info[ch].max_power_avg;
ch_info->min_power = 0;
- IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
+ IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x"
" %ddBm): Ad-Hoc %ssupported\n",
ch_info->channel,
is_channel_a_band(ch_info) ?
"5.2" : "2.4",
+ CHECK_AND_PRINT(VALID),
CHECK_AND_PRINT(IBSS),
CHECK_AND_PRINT(ACTIVE),
CHECK_AND_PRINT(RADAR),
passive_dwell = iwl3945_get_passive_dwell_time(priv, band);
for (i = 0, added = 0; i < sband->n_channels; i++) {
+ if (channels[i].flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
if (channels[i].hw_value ==
le16_to_cpu(priv->active_rxon.channel)) {
if (iwl3945_is_associated(priv)) {
static int iwl3945_init_geos(struct iwl3945_priv *priv)
{
struct iwl3945_channel_info *ch;
- struct ieee80211_supported_band *band;
+ struct ieee80211_supported_band *sband;
struct ieee80211_channel *channels;
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
if (!channels)
return -ENOMEM;
- rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_MAX_RATES + 1)),
+ rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)),
GFP_KERNEL);
if (!rates) {
kfree(channels);
}
/* 5.2GHz channels start after the 2.4GHz channels */
- band = &priv->bands[IEEE80211_BAND_5GHZ];
- band->channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)];
- band->bitrates = &rates[4];
- band->n_bitrates = 8; /* just OFDM */
-
- band = &priv->bands[IEEE80211_BAND_2GHZ];
- band->channels = channels;
- band->bitrates = rates;
- band->n_bitrates = 12; /* OFDM & CCK */
+ sband = &priv->bands[IEEE80211_BAND_5GHZ];
+ sband->channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)];
+ /* just OFDM */
+ sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
+ sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE;
+
+ sband = &priv->bands[IEEE80211_BAND_2GHZ];
+ sband->channels = channels;
+ /* OFDM & CCK */
+ sband->bitrates = rates;
+ sband->n_bitrates = IWL_RATE_COUNT;
priv->ieee_channels = channels;
priv->ieee_rates = rates;
iwl3945_init_hw_rates(priv, rates);
- for (i = 0, geo_ch = channels; i < priv->channel_count; i++) {
+ for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
- if (!is_channel_valid(ch)) {
- IWL_DEBUG_INFO("Channel %d [%sGHz] is restricted -- "
- "skipping.\n",
- ch->channel, is_channel_a_band(ch) ?
- "5.2" : "2.4");
+ /* FIXME: might be removed if scan is OK*/
+ if (!is_channel_valid(ch))
continue;
- }
if (is_channel_a_band(ch))
- geo_ch = &priv->bands[IEEE80211_BAND_5GHZ].channels[priv->bands[IEEE80211_BAND_5GHZ].n_channels++];
+ sband = &priv->bands[IEEE80211_BAND_5GHZ];
else
- geo_ch = &priv->bands[IEEE80211_BAND_2GHZ].channels[priv->bands[IEEE80211_BAND_2GHZ].n_channels++];
+ sband = &priv->bands[IEEE80211_BAND_2GHZ];
+
+ geo_ch = &sband->channels[sband->n_channels++];
- geo_ch->center_freq = ieee80211chan2mhz(ch->channel);
+ geo_ch->center_freq = ieee80211_channel_to_frequency(ch->channel);
geo_ch->max_power = ch->max_power_avg;
geo_ch->max_antenna_gain = 0xff;
+ geo_ch->hw_value = ch->channel;
if (is_channel_valid(ch)) {
if (!(ch->flags & EEPROM_CHANNEL_IBSS))
if (ch->max_power_avg > priv->max_channel_txpower_limit)
priv->max_channel_txpower_limit =
ch->max_power_avg;
- } else
+ } else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
+ }
+
+ /* Save flags for reg domain usage */
+ geo_ch->orig_flags = geo_ch->flags;
+
+ IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0%X\n",
+ ch->channel, geo_ch->center_freq,
+ is_channel_a_band(ch) ? "5.2" : "2.4",
+ geo_ch->flags & IEEE80211_CHAN_DISABLED ?
+ "restricted" : "valid",
+ geo_ch->flags);
}
- if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && priv->is_abg) {
+ if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
+ priv->cfg->sku & IWL_SKU_A) {
printk(KERN_INFO DRV_NAME
": Incorrectly detected BG card as ABG. Please send "
"your PCI ID 0x%04X:0x%04X to maintainer.\n",
priv->pci_dev->device, priv->pci_dev->subsystem_device);
- priv->is_abg = 0;
+ priv->cfg->sku &= ~IWL_SKU_A;
}
printk(KERN_INFO DRV_NAME
priv->bands[IEEE80211_BAND_2GHZ].n_channels,
priv->bands[IEEE80211_BAND_5GHZ].n_channels);
- priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->bands[IEEE80211_BAND_2GHZ];
- priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->bands[IEEE80211_BAND_5GHZ];
+ if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
+ priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &priv->bands[IEEE80211_BAND_2GHZ];
+ if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
+ priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &priv->bands[IEEE80211_BAND_5GHZ];
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
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";
+ const char *name = priv->cfg->fw_name;
u8 *src;
size_t len;
u32 ver, inst_size, data_size, init_size, init_data_size, boot_size;
/* At this point, the NIC is initialized and operational */
priv->notif_missed_beacons = 0;
- set_bit(STATUS_READY, &priv->status);
iwl3945_reg_txpower_periodic(priv);
+ iwl3945_led_register(priv);
+
IWL_DEBUG_INFO("ALIVE processing complete.\n");
+ set_bit(STATUS_READY, &priv->status);
wake_up_interruptible(&priv->wait_command_queue);
if (priv->error_recovering)
iwl3945_error_recovery(priv);
+ ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
return;
restart:
if (!exit_pending)
set_bit(STATUS_EXIT_PENDING, &priv->status);
+ iwl3945_led_unregister(priv);
iwl3945_clear_stations_table(priv);
/* Unblock any waiting calls */
iwl3945_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
/* tell the device to stop sending interrupts */
+ spin_lock_irqsave(&priv->lock, flags);
iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ iwl_synchronize_irq(priv);
if (priv->mac80211_registered)
ieee80211_stop_queues(priv->hw);
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK;
- if (direct_mask)
+ if (direct_mask) {
IWL_DEBUG_SCAN
("Initiating direct scan for %s.\n",
iwl3945_escape_essid(priv->essid, priv->essid_len));
- else
+ scan->channel_count =
+ iwl3945_get_channels_for_scan(
+ priv, band, 1, /* active */
+ direct_mask,
+ (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+ } else {
IWL_DEBUG_SCAN("Initiating indirect scan.\n");
-
- scan->channel_count =
- iwl3945_get_channels_for_scan(
- priv, band, 1, /* active */
- direct_mask,
- (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+ scan->channel_count =
+ iwl3945_get_channels_for_scan(
+ priv, band, 0, /* passive */
+ 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 iwl3945_scan_channel);
iwl3945_sequence_reset(priv);
-#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);
if (conf == NULL)
return -EIO;
+ if (priv->vif != vif) {
+ IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
+ return 0;
+ }
+
/* XXX: this MUST use conf->mac_addr */
if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) &&
if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
!(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
*/
- if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) {
- IWL_DEBUG_MAC80211("leave - scanning\n");
- mutex_unlock(&priv->mutex);
- return 0;
- }
-
- if (priv->vif != vif) {
- IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
- mutex_unlock(&priv->mutex);
- return 0;
- }
if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
if (!conf->bssid) {
const struct ieee80211_tx_queue_params *params)
{
struct iwl3945_priv *priv = hw->priv;
-#ifdef CONFIG_IWL3945_QOS
unsigned long flags;
int q;
-#endif /* CONFIG_IWL3945_QOS */
IWL_DEBUG_MAC80211("enter\n");
return 0;
}
-#ifdef CONFIG_IWL3945_QOS
if (!priv->qos_data.qos_enable) {
priv->qos_data.qos_active = 0;
IWL_DEBUG_MAC80211("leave - qos not enabled\n");
priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
priv->qos_data.def_qos_parm.ac[q].edca_txop =
- cpu_to_le16((params->burst_time * 100));
+ cpu_to_le16((params->txop * 32));
priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
priv->qos_data.qos_active = 1;
mutex_unlock(&priv->mutex);
-#endif /*CONFIG_IWL3945_QOS */
-
IWL_DEBUG_MAC80211("leave\n");
return 0;
}
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter\n");
-#ifdef CONFIG_IWL3945_QOS
iwl3945_reset_qos(priv);
-#endif
+
cancel_delayed_work(&priv->post_associate);
spin_lock_irqsave(&priv->lock, flags);
IWL_DEBUG_MAC80211("leave\n");
spin_unlock_irqrestore(&priv->lock, flags);
-#ifdef CONFIG_IWL3945_QOS
iwl3945_reset_qos(priv);
-#endif
queue_work(priv->workqueue, &priv->post_associate.work);
show_measurement, store_measurement);
#endif /* CONFIG_IWL3945_SPECTRUM_MEASUREMENT */
-static ssize_t show_rate(struct device *d,
- struct device_attribute *attr, char *buf)
-{
- struct iwl3945_priv *priv = dev_get_drvdata(d);
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&priv->sta_lock, flags);
- if (priv->iw_mode == IEEE80211_IF_TYPE_STA)
- i = priv->stations[IWL_AP_ID].current_rate.s.rate;
- else
- i = priv->stations[IWL_STA_ID].current_rate.s.rate;
- spin_unlock_irqrestore(&priv->sta_lock, flags);
-
- i = iwl3945_rate_index_from_plcp(i);
- if (i == -1)
- return sprintf(buf, "0\n");
-
- return sprintf(buf, "%d%s\n",
- (iwl3945_rates[i].ieee >> 1),
- (iwl3945_rates[i].ieee & 0x1) ? ".5" : "");
-}
-
-static DEVICE_ATTR(rate, S_IRUSR, show_rate, NULL);
-
static ssize_t store_retry_rate(struct device *d,
struct device_attribute *attr,
const char *buf, size_t count)
&dev_attr_measurement.attr,
#endif
&dev_attr_power_level.attr,
- &dev_attr_rate.attr,
&dev_attr_retry_rate.attr,
&dev_attr_rf_kill.attr,
&dev_attr_rs_window.attr,
static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int err = 0;
- u32 pci_id;
struct iwl3945_priv *priv;
struct ieee80211_hw *hw;
+ struct iwl_3945_cfg *cfg = (struct iwl_3945_cfg *)(ent->driver_data);
int i;
+ unsigned long flags;
DECLARE_MAC_BUF(mac);
/* Disabling hardware scan means that mac80211 will perform scans
iwl3945_hw_ops.hw_scan = NULL;
}
- if ((iwl3945_param_queues_num > IWL_MAX_NUM_QUEUES) ||
+ if ((iwl3945_param_queues_num > IWL39_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);
+ IWL_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES);
err = -EINVAL;
goto out;
}
priv->hw = hw;
priv->pci_dev = pdev;
+ priv->cfg = cfg;
/* Select antenna (may be helpful if only one antenna is connected) */
priv->antenna = (enum iwl3945_antenna)iwl3945_param_antenna;
priv->iw_mode = IEEE80211_IF_TYPE_STA;
- pci_id =
- (priv->pci_dev->device << 16) | priv->pci_dev->subsystem_device;
-
- switch (pci_id) {
- case 0x42221005: /* 0x4222 0x8086 0x1005 is BG SKU */
- case 0x42221034: /* 0x4222 0x8086 0x1034 is BG SKU */
- case 0x42271014: /* 0x4227 0x8086 0x1014 is BG SKU */
- case 0x42221044: /* 0x4222 0x8086 0x1044 is BG SKU */
- priv->is_abg = 0;
- break;
-
- /*
- * Rest are assumed ABG SKU -- if this is not the
- * case then the card will get the wrong 'Detected'
- * line in the kernel log however the code that
- * initializes the GEO table will detect no A-band
- * channels and remove the is_abg mask.
- */
- default:
- priv->is_abg = 1;
- break;
- }
-
printk(KERN_INFO DRV_NAME
- ": Detected Intel PRO/Wireless 3945%sBG Network Connection\n",
- priv->is_abg ? "A" : "");
+ ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name);
/* Device-specific setup */
if (iwl3945_hw_set_hw_setting(priv)) {
goto out_iounmap;
}
-#ifdef CONFIG_IWL3945_QOS
if (iwl3945_param_qos_enable)
priv->qos_data.qos_enable = 1;
priv->qos_data.qos_active = 0;
priv->qos_data.qos_cap.val = 0;
-#endif /* CONFIG_IWL3945_QOS */
iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
iwl3945_setup_deferred_work(priv);
priv->power_mode = IWL_POWER_AC;
priv->user_txpower_limit = IWL_DEFAULT_TX_POWER;
+ spin_lock_irqsave(&priv->lock, flags);
iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group);
if (err) {
goto out_free_channel_map;
}
- 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);
return err;
}
-static void iwl3945_pci_remove(struct pci_dev *pdev)
+static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
{
struct iwl3945_priv *priv = pci_get_drvdata(pdev);
struct list_head *p, *q;
int i;
+ unsigned long flags;
if (!priv)
return;
iwl3945_down(priv);
+ /* make sure we flush any pending irq or
+ * tasklet for the driver
+ */
+ spin_lock_irqsave(&priv->lock, flags);
+ iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ iwl_synchronize_irq(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]) {
if (priv->mac80211_registered) {
ieee80211_unregister_hw(priv->hw);
- iwl3945_rate_control_unregister(priv->hw);
}
/*netif_stop_queue(dev); */
int ret;
printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
+
+ ret = iwl3945_rate_control_register();
+ if (ret) {
+ IWL_ERROR("Unable to register rate control algorithm: %d\n", ret);
+ return ret;
+ }
+
ret = pci_register_driver(&iwl3945_driver);
if (ret) {
IWL_ERROR("Unable to initialize PCI module\n");
- return ret;
+ goto error_register;
}
#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(&iwl3945_driver);
- return ret;
+ goto error_debug;
}
#endif
return ret;
+
+#ifdef CONFIG_IWL3945_DEBUG
+error_debug:
+ pci_unregister_driver(&iwl3945_driver);
+#endif
+error_register:
+ iwl3945_rate_control_unregister();
+ return ret;
}
static void __exit iwl3945_exit(void)
driver_remove_file(&iwl3945_driver.driver, &driver_attr_debug_level);
#endif
pci_unregister_driver(&iwl3945_driver);
+ iwl3945_rate_control_unregister();
}
module_param_named(antenna, iwl3945_param_antenna, int, 0444);
git.openpandora.org / pandora-kernel.git / blobdiff