/******************************************************************************
*
- * 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 NULL;
}
-static const struct ieee80211_hw_mode *iwl3945_get_hw_mode(
- struct iwl3945_priv *priv, int mode)
+static const struct ieee80211_supported_band *iwl3945_get_band(
+ struct iwl3945_priv *priv, enum ieee80211_band band)
{
- int i;
-
- for (i = 0; i < 3; i++)
- if (priv->modes[i].mode == mode)
- return &priv->modes[i];
-
- return NULL;
+ return priv->hw->wiphy->bands[band];
}
static int iwl3945_is_empty_essid(const char *essid, int essid_len)
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;
station->sta.sta.sta_id = index;
station->sta.station_flags = 0;
- if (priv->phymode == MODE_IEEE80211A)
+ if (priv->band == IEEE80211_BAND_5GHZ)
rate = IWL_RATE_6M_PLCP;
else
rate = IWL_RATE_1M_PLCP;
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;
}
/**
* 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
+ * @band: 2.4 or 5 GHz band
+ * @channel: Any channel valid for the requested band
- * In addition to setting the staging RXON, priv->phymode is also set.
+ * In addition to setting the staging RXON, priv->band is also set.
*
* NOTE: Does not commit to the hardware; it sets appropriate bit fields
- * in the staging RXON flag structure based on the phymode
+ * in the staging RXON flag structure based on the band
*/
-static int iwl3945_set_rxon_channel(struct iwl3945_priv *priv, u8 phymode, u16 channel)
+static int iwl3945_set_rxon_channel(struct iwl3945_priv *priv,
+ enum ieee80211_band band,
+ u16 channel)
{
- if (!iwl3945_get_channel_info(priv, phymode, channel)) {
+ if (!iwl3945_get_channel_info(priv, band, channel)) {
IWL_DEBUG_INFO("Could not set channel to %d [%d]\n",
- channel, phymode);
+ channel, band);
return -EINVAL;
}
if ((le16_to_cpu(priv->staging_rxon.channel) == channel) &&
- (priv->phymode == phymode))
+ (priv->band == band))
return 0;
priv->staging_rxon.channel = cpu_to_le16(channel);
- if (phymode == MODE_IEEE80211A)
+ if (band == IEEE80211_BAND_5GHZ)
priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK;
else
priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
- priv->phymode = phymode;
+ priv->band = band;
- IWL_DEBUG_INFO("Staging channel set to %d [%d]\n", channel, phymode);
+ IWL_DEBUG_INFO("Staging channel set to %d [%d]\n", channel, band);
return 0;
}
return -EIO;
}
- /* Init the hardware's rate fallback order based on the
- * phymode */
+ /* Init the hardware's rate fallback order based on the band */
rc = iwl3945_init_hw_rate_table(priv);
if (rc) {
IWL_ERROR("Error setting HW rate table: %02X\n", rc);
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
*
return 0;
}
-static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv, u8 phymode)
+static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv,
+ enum ieee80211_band band)
{
- if (phymode == MODE_IEEE80211A) {
+ if (band == IEEE80211_BAND_5GHZ) {
priv->staging_rxon.flags &=
~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK
| RXON_FLG_CCK_MSK);
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
priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
#endif
- ch_info = iwl3945_get_channel_info(priv, priv->phymode,
+ ch_info = iwl3945_get_channel_info(priv, priv->band,
le16_to_cpu(priv->staging_rxon.channel));
if (!ch_info)
priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
if (is_channel_a_band(ch_info))
- priv->phymode = MODE_IEEE80211A;
+ priv->band = IEEE80211_BAND_5GHZ;
else
- priv->phymode = MODE_IEEE80211G;
+ priv->band = IEEE80211_BAND_2GHZ;
- iwl3945_set_flags_for_phymode(priv, priv->phymode);
+ iwl3945_set_flags_for_phymode(priv, priv->band);
priv->staging_rxon.ofdm_basic_rates =
(IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
const struct iwl3945_channel_info *ch_info;
ch_info = iwl3945_get_channel_info(priv,
- priv->phymode,
+ priv->band,
le16_to_cpu(priv->staging_rxon.channel));
if (!ch_info || !is_channel_ibss(ch_info)) {
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;
goto drop_unlock;
}
- if ((ctl->tx_rate & 0xFF) == IWL_INVALID_RATE) {
+ if ((ctl->tx_rate->hw_value & 0xFF) == IWL_INVALID_RATE) {
IWL_ERROR("ERROR: No TX rate available.\n");
goto drop_unlock;
}
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);
static void iwl3945_set_rate(struct iwl3945_priv *priv)
{
- const struct ieee80211_hw_mode *hw = NULL;
+ const struct ieee80211_supported_band *sband = NULL;
struct ieee80211_rate *rate;
int i;
- hw = iwl3945_get_hw_mode(priv, priv->phymode);
- if (!hw) {
+ sband = iwl3945_get_band(priv, priv->band);
+ if (!sband) {
IWL_ERROR("Failed to set rate: unable to get hw mode\n");
return;
}
priv->active_rate = 0;
priv->active_rate_basic = 0;
- IWL_DEBUG_RATE("Setting rates for 802.11%c\n",
- hw->mode == MODE_IEEE80211A ?
- 'a' : ((hw->mode == MODE_IEEE80211B) ? 'b' : 'g'));
-
- for (i = 0; i < hw->num_rates; i++) {
- rate = &(hw->rates[i]);
- if ((rate->val < IWL_RATE_COUNT) &&
- (rate->flags & IEEE80211_RATE_SUPPORTED)) {
- IWL_DEBUG_RATE("Adding rate index %d (plcp %d)%s\n",
- rate->val, iwl3945_rates[rate->val].plcp,
- (rate->flags & IEEE80211_RATE_BASIC) ?
- "*" : "");
- priv->active_rate |= (1 << rate->val);
- if (rate->flags & IEEE80211_RATE_BASIC)
- priv->active_rate_basic |= (1 << rate->val);
- } else
- IWL_DEBUG_RATE("Not adding rate %d (plcp %d)\n",
- rate->val, iwl3945_rates[rate->val].plcp);
+ IWL_DEBUG_RATE("Setting rates for %s GHz\n",
+ sband->band == IEEE80211_BAND_2GHZ ? "2.4" : "5");
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ rate = &sband->bitrates[i];
+ if ((rate->hw_value < IWL_RATE_COUNT) &&
+ !(rate->flags & IEEE80211_CHAN_DISABLED)) {
+ IWL_DEBUG_RATE("Adding rate index %d (plcp %d)\n",
+ rate->hw_value, iwl3945_rates[rate->hw_value].plcp);
+ priv->active_rate |= (1 << rate->hw_value);
+ }
}
IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n",
}
#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;
-
- 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, 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;
}
* Based on band and channel number.
*/
const struct iwl3945_channel_info *iwl3945_get_channel_info(const struct iwl3945_priv *priv,
- int phymode, u16 channel)
+ enum ieee80211_band band, u16 channel)
{
int i;
- switch (phymode) {
- case MODE_IEEE80211A:
+ switch (band) {
+ case IEEE80211_BAND_5GHZ:
for (i = 14; i < priv->channel_count; i++) {
if (priv->channel_info[i].channel == channel)
return &priv->channel_info[i];
}
break;
- case MODE_IEEE80211B:
- case MODE_IEEE80211G:
+ case IEEE80211_BAND_2GHZ:
if (channel >= 1 && channel <= 14)
return &priv->channel_info[channel - 1];
break;
-
+ case IEEE80211_NUM_BANDS:
+ WARN_ON(1);
}
return NULL;
/* Loop through each band adding each of the channels */
for (ch = 0; ch < eeprom_ch_count; ch++) {
ch_info->channel = eeprom_ch_index[ch];
- ch_info->phymode = (band == 1) ? MODE_IEEE80211B :
- MODE_IEEE80211A;
+ ch_info->band = (band == 1) ? IEEE80211_BAND_2GHZ :
+ IEEE80211_BAND_5GHZ;
/* permanently store EEPROM's channel regulatory flags
* and max power in channel info database. */
ch_info->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),
#define IWL_PASSIVE_DWELL_BASE (100)
#define IWL_CHANNEL_TUNE_TIME 5
-static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv, int phymode)
+static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv,
+ enum ieee80211_band band)
{
- if (phymode == MODE_IEEE80211A)
+ if (band == IEEE80211_BAND_5GHZ)
return IWL_ACTIVE_DWELL_TIME_52;
else
return IWL_ACTIVE_DWELL_TIME_24;
}
-static u16 iwl3945_get_passive_dwell_time(struct iwl3945_priv *priv, int phymode)
+static u16 iwl3945_get_passive_dwell_time(struct iwl3945_priv *priv,
+ enum ieee80211_band band)
{
- u16 active = iwl3945_get_active_dwell_time(priv, phymode);
- u16 passive = (phymode != MODE_IEEE80211A) ?
+ u16 active = iwl3945_get_active_dwell_time(priv, band);
+ u16 passive = (band == IEEE80211_BAND_2GHZ) ?
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
return passive;
}
-static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv, int phymode,
+static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv,
+ enum ieee80211_band band,
u8 is_active, u8 direct_mask,
struct iwl3945_scan_channel *scan_ch)
{
const struct ieee80211_channel *channels = NULL;
- const struct ieee80211_hw_mode *hw_mode;
+ const struct ieee80211_supported_band *sband;
const struct iwl3945_channel_info *ch_info;
u16 passive_dwell = 0;
u16 active_dwell = 0;
int added, i;
- hw_mode = iwl3945_get_hw_mode(priv, phymode);
- if (!hw_mode)
+ sband = iwl3945_get_band(priv, band);
+ if (!sband)
return 0;
- channels = hw_mode->channels;
+ channels = sband->channels;
- active_dwell = iwl3945_get_active_dwell_time(priv, phymode);
- passive_dwell = iwl3945_get_passive_dwell_time(priv, phymode);
+ active_dwell = iwl3945_get_active_dwell_time(priv, band);
+ 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;
- for (i = 0, added = 0; i < hw_mode->num_channels; i++) {
- if (channels[i].chan ==
+ if (channels[i].hw_value ==
le16_to_cpu(priv->active_rxon.channel)) {
if (iwl3945_is_associated(priv)) {
IWL_DEBUG_SCAN
} else if (priv->only_active_channel)
continue;
- scan_ch->channel = channels[i].chan;
+ scan_ch->channel = channels[i].hw_value;
- ch_info = iwl3945_get_channel_info(priv, phymode, scan_ch->channel);
+ ch_info = iwl3945_get_channel_info(priv, band, scan_ch->channel);
if (!is_channel_valid(ch_info)) {
IWL_DEBUG_SCAN("Channel %d is INVALID for this SKU.\n",
scan_ch->channel);
}
if (!is_active || is_channel_passive(ch_info) ||
- !(channels[i].flag & IEEE80211_CHAN_W_ACTIVE_SCAN))
+ (channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN))
scan_ch->type = 0; /* passive */
else
scan_ch->type = 1; /* active */
/* scan_pwr_info->tpc.dsp_atten; */
/*scan_pwr_info->tpc.tx_gain; */
- if (phymode == MODE_IEEE80211A)
+ if (band == IEEE80211_BAND_5GHZ)
scan_ch->tpc.tx_gain = ((1 << 5) | (3 << 3)) | 3;
else {
scan_ch->tpc.tx_gain = ((1 << 5) | (5 << 3));
return added;
}
-static void iwl3945_reset_channel_flag(struct iwl3945_priv *priv)
-{
- int i, j;
- for (i = 0; i < 3; i++) {
- struct ieee80211_hw_mode *hw_mode = (void *)&priv->modes[i];
- for (j = 0; j < hw_mode->num_channels; j++)
- hw_mode->channels[j].flag = hw_mode->channels[j].val;
- }
-}
-
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 = 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;
- /* Only OFDM have the bits-per-symbol set */
- if ((i <= IWL_LAST_OFDM_RATE) && (i >= IWL_FIRST_OFDM_RATE))
- rates[i].flags |= IEEE80211_RATE_OFDM;
- else {
+ rates[i].bitrate = iwl3945_rates[i].ieee * 5;
+ rates[i].hw_value = i; /* Rate scaling will work on indexes */
+ rates[i].hw_value_short = i;
+ rates[i].flags = 0;
+ if ((i > IWL_LAST_OFDM_RATE) || (i < IWL_FIRST_OFDM_RATE)) {
/*
- * If CCK 1M then set rate flag to CCK else CCK_2
- * which is CCK | PREAMBLE2
+ * If CCK != 1M then set short preamble rate flag.
*/
rates[i].flags |= (iwl3945_rates[i].plcp == 10) ?
- IEEE80211_RATE_CCK : IEEE80211_RATE_CCK_2;
+ 0 : IEEE80211_RATE_SHORT_PREAMBLE;
}
-
- /* Set up which ones are basic rates... */
- if (IWL_BASIC_RATES_MASK & (1 << i))
- rates[i].flags |= IEEE80211_RATE_BASIC;
}
}
static int iwl3945_init_geos(struct iwl3945_priv *priv)
{
struct iwl3945_channel_info *ch;
- struct ieee80211_hw_mode *modes;
+ struct ieee80211_supported_band *sband;
struct ieee80211_channel *channels;
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
- enum {
- A = 0,
- B = 1,
- G = 2,
- };
- int mode_count = 3;
- if (priv->modes) {
+ if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
+ priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
IWL_DEBUG_INFO("Geography modes already initialized.\n");
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
- modes = kzalloc(sizeof(struct ieee80211_hw_mode) * mode_count,
- GFP_KERNEL);
- if (!modes)
- return -ENOMEM;
-
channels = kzalloc(sizeof(struct ieee80211_channel) *
priv->channel_count, GFP_KERNEL);
- if (!channels) {
- kfree(modes);
+ 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(modes);
kfree(channels);
return -ENOMEM;
}
- /* 0 = 802.11a
- * 1 = 802.11b
- * 2 = 802.11g
- */
-
/* 5.2GHz channels start after the 2.4GHz channels */
- modes[A].mode = MODE_IEEE80211A;
- 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;
-
- modes[B].mode = MODE_IEEE80211B;
- modes[B].channels = channels;
- modes[B].rates = rates;
- modes[B].num_rates = 4; /* just CCK */
- modes[B].num_channels = 0;
-
- modes[G].mode = MODE_IEEE80211G;
- modes[G].channels = channels;
- modes[G].rates = rates;
- modes[G].num_rates = 12; /* OFDM & CCK */
- modes[G].num_channels = 0;
+ 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 = &modes[A].channels[modes[A].num_channels++];
- else {
- geo_ch = &modes[B].channels[modes[B].num_channels++];
- modes[G].num_channels++;
- }
+ sband = &priv->bands[IEEE80211_BAND_5GHZ];
+ else
+ sband = &priv->bands[IEEE80211_BAND_2GHZ];
+
+ geo_ch = &sband->channels[sband->n_channels++];
- geo_ch->freq = ieee80211chan2mhz(ch->channel);
- geo_ch->chan = ch->channel;
- geo_ch->power_level = ch->max_power_avg;
- geo_ch->antenna_max = 0xff;
+ 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)) {
- geo_ch->flag = IEEE80211_CHAN_W_SCAN;
- if (ch->flags & EEPROM_CHANNEL_IBSS)
- geo_ch->flag |= IEEE80211_CHAN_W_IBSS;
+ if (!(ch->flags & EEPROM_CHANNEL_IBSS))
+ geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
- if (ch->flags & EEPROM_CHANNEL_ACTIVE)
- geo_ch->flag |= IEEE80211_CHAN_W_ACTIVE_SCAN;
+ if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
+ geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
if (ch->flags & EEPROM_CHANNEL_RADAR)
- geo_ch->flag |= IEEE80211_CHAN_W_RADAR_DETECT;
+ geo_ch->flags |= IEEE80211_CHAN_RADAR;
if (ch->max_power_avg > priv->max_channel_txpower_limit)
priv->max_channel_txpower_limit =
ch->max_power_avg;
+ } else {
+ geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
- geo_ch->val = geo_ch->flag;
+ /* 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 ((modes[A].num_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
": Tunable channels: %d 802.11bg, %d 802.11a channels\n",
- modes[G].num_channels, modes[A].num_channels);
-
- /*
- * NOTE: We register these in preference of order -- the
- * stack doesn't currently (as of 7.0.6 / Apr 24 '07) pick
- * a phymode based on rates or AP capabilities but seems to
- * configure it purely on if the channel being configured
- * is supported by a mode -- and the first match is taken
- */
+ priv->bands[IEEE80211_BAND_2GHZ].n_channels,
+ priv->bands[IEEE80211_BAND_5GHZ].n_channels);
- if (modes[G].num_channels)
- ieee80211_register_hwmode(priv->hw, &modes[G]);
- if (modes[B].num_channels)
- ieee80211_register_hwmode(priv->hw, &modes[B]);
- if (modes[A].num_channels)
- ieee80211_register_hwmode(priv->hw, &modes[A]);
+ 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];
- priv->modes = modes;
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
*/
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);
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;
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);
struct iwl3945_scan_cmd *scan;
struct ieee80211_conf *conf = NULL;
u8 direct_mask;
- int phymode;
+ enum ieee80211_band band;
conf = ieee80211_get_hw_conf(priv->hw);
scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
scan->tx_cmd.rate = IWL_RATE_1M_PLCP;
scan->good_CRC_th = 0;
- phymode = MODE_IEEE80211G;
+ band = IEEE80211_BAND_2GHZ;
break;
case 1:
scan->tx_cmd.rate = IWL_RATE_6M_PLCP;
scan->good_CRC_th = IWL_GOOD_CRC_TH;
- phymode = MODE_IEEE80211A;
+ band = IEEE80211_BAND_5GHZ;
break;
default:
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, phymode, 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_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)?
+ (priv->band == IEEE80211_BAND_5GHZ) ?
IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP,
CMD_ASYNC);
iwl3945_rate_scale_init(priv->hw, IWL_STA_ID);
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);
}
IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
- ctl->tx_rate);
+ ctl->tx_rate->bitrate);
if (iwl3945_tx_skb(priv, skb, ctl))
dev_kfree_skb_any(skb);
int ret = 0;
mutex_lock(&priv->mutex);
- IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel);
+ IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
priv->add_radiotap = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
spin_lock_irqsave(&priv->lock, flags);
- ch_info = iwl3945_get_channel_info(priv, conf->phymode, conf->channel);
+ ch_info = iwl3945_get_channel_info(priv, conf->channel->band,
+ conf->channel->hw_value);
if (!is_channel_valid(ch_info)) {
IWL_DEBUG_SCAN("Channel %d [%d] is INVALID for this SKU.\n",
- conf->channel, conf->phymode);
+ conf->channel->hw_value, conf->channel->band);
IWL_DEBUG_MAC80211("leave - invalid channel\n");
spin_unlock_irqrestore(&priv->lock, flags);
ret = -EINVAL;
goto out;
}
- iwl3945_set_rxon_channel(priv, conf->phymode, conf->channel);
+ iwl3945_set_rxon_channel(priv, conf->channel->band, conf->channel->hw_value);
- iwl3945_set_flags_for_phymode(priv, conf->phymode);
+ iwl3945_set_flags_for_phymode(priv, conf->channel->band);
/* The list of supported rates and rate mask can be different
* for each phymode; since the phymode may have changed, reset
if (conf == NULL)
return -EIO;
+ if (priv->vif != vif) {
+ IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
+ mutex_unlock(&priv->mutex);
+ 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);
static DEVICE_ATTR(filter_flags, S_IWUSR | S_IRUGO, show_filter_flags,
store_filter_flags);
-static ssize_t show_tune(struct device *d,
- struct device_attribute *attr, char *buf)
-{
- 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 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 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;
- u16 channel = tune & 0xff;
-
- IWL_DEBUG_INFO("Tune request to:%d channel:%d\n", phymode, channel);
-
- mutex_lock(&priv->mutex);
- if ((le16_to_cpu(priv->staging_rxon.channel) != channel) ||
- (priv->phymode != phymode)) {
- const struct iwl3945_channel_info *ch_info;
-
- ch_info = iwl3945_get_channel_info(priv, phymode, channel);
- if (!ch_info) {
- IWL_WARNING("Requested invalid phymode/channel "
- "combination: %d %d\n", phymode, channel);
- mutex_unlock(&priv->mutex);
- return -EINVAL;
- }
-
- /* Cancel any currently running scans... */
- 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);
-
- iwl3945_set_rxon_channel(priv, phymode, channel);
- iwl3945_set_flags_for_phymode(priv, phymode);
-
- iwl3945_set_rate(priv);
- iwl3945_commit_rxon(priv);
- }
- }
- mutex_unlock(&priv->mutex);
-
- return count;
-}
-
-static DEVICE_ATTR(tune, S_IWUSR | S_IRUGO, show_tune, store_tune);
-
#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
static ssize_t show_measurement(struct device *d,
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)
static ssize_t show_channels(struct device *d,
struct device_attribute *attr, char *buf)
{
- 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 (!iwl3945_is_ready(priv))
- return -EAGAIN;
-
- hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211G);
- if (!hw_mode)
- hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211B);
- if (hw_mode) {
- channels = hw_mode->channels;
- count = hw_mode->num_channels;
- }
-
- len +=
- sprintf(&buf[len],
- "Displaying %d channels in 2.4GHz band "
- "(802.11bg):\n", count);
-
- for (i = 0; i < count; i++)
- len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n",
- channels[i].chan,
- channels[i].power_level,
- channels[i].
- flag & IEEE80211_CHAN_W_RADAR_DETECT ?
- " (IEEE 802.11h required)" : "",
- (!(channels[i].flag & IEEE80211_CHAN_W_IBSS)
- || (channels[i].
- flag &
- IEEE80211_CHAN_W_RADAR_DETECT)) ? "" :
- ", IBSS",
- channels[i].
- flag & IEEE80211_CHAN_W_ACTIVE_SCAN ?
- "active/passive" : "passive only");
-
- hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211A);
- if (hw_mode) {
- channels = hw_mode->channels;
- count = hw_mode->num_channels;
- } else {
- channels = NULL;
- count = 0;
- }
-
- len += sprintf(&buf[len], "Displaying %d channels in 5.2GHz band "
- "(802.11a):\n", count);
-
- for (i = 0; i < count; i++)
- len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n",
- channels[i].chan,
- channels[i].power_level,
- channels[i].
- flag & IEEE80211_CHAN_W_RADAR_DETECT ?
- " (IEEE 802.11h required)" : "",
- (!(channels[i].flag & IEEE80211_CHAN_W_IBSS)
- || (channels[i].
- flag &
- IEEE80211_CHAN_W_RADAR_DETECT)) ? "" :
- ", IBSS",
- channels[i].
- flag & IEEE80211_CHAN_W_ACTIVE_SCAN ?
- "active/passive" : "passive only");
-
- return len;
+ /* all this shit doesn't belong into sysfs anyway */
+ return 0;
}
static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL);
&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,
&dev_attr_statistics.attr,
&dev_attr_status.attr,
&dev_attr_temperature.attr,
- &dev_attr_tune.attr,
&dev_attr_tx_power.attr,
NULL
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->data_retry_limit = -1;
priv->ieee_channels = NULL;
priv->ieee_rates = NULL;
- priv->phymode = -1;
+ priv->band = IEEE80211_BAND_2GHZ;
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (!err)
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, MODE_IEEE80211G, 6);
+ iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
iwl3945_setup_deferred_work(priv);
iwl3945_setup_rx_handlers(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) {
IWL_ERROR("initializing geos failed: %d\n", err);
goto out_free_channel_map;
}
- iwl3945_reset_channel_flag(priv);
- 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);
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);