#include <asm/div64.h>
+#include "iwl-3945-core.h"
#include "iwl-3945.h"
#include "iwl-helpers.h"
#define VS
#endif
-#define IWLWIFI_VERSION "1.1.19k" VD VS
+#define IWLWIFI_VERSION "1.2.26k" VD VS
#define DRV_COPYRIGHT "Copyright(c) 2003-2007 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
*
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;
BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
!(cmd->meta.flags & CMD_SIZE_HUGE));
+
+ if (iwl3945_is_rfkill(priv)) {
+ IWL_DEBUG_INFO("Not sending command - RF KILL");
+ return -EIO;
+ }
+
if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
IWL_ERROR("No space for Tx\n");
return -ENOSPC;
/**
* 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 priv->ibss_beacon->len;
}
-static int iwl3945_rate_index_from_plcp(int plcp)
-{
- int i = 0;
-
- for (i = 0; i < IWL_RATE_COUNT; i++)
- if (iwl3945_rates[i].plcp == plcp)
- return i;
- return -1;
-}
-
static u8 iwl3945_rate_get_lowest_plcp(int rate_mask)
{
u8 i;
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;
+}
+
/**
* iwl3945_eeprom_init - read EEPROM contents
*
IWL_ERROR("Time out reading EEPROM[%d]", addr);
return -ETIMEDOUT;
}
- e[addr / 2] = le16_to_cpu(r >> 16);
+ e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));
}
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 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.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;
static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode)
{
- if (!iwl3945_is_ready_rf(priv))
- return -EAGAIN;
-
if (mode == IEEE80211_IF_TYPE_IBSS) {
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)) {
}
}
- cancel_delayed_work(&priv->scan_check);
- 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;
iwl3945_connection_init_rx_config(priv);
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 (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;
+ }
+
iwl3945_commit_rxon(priv);
return 0;
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;
}
- 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;
}
IWL_DEBUG_TX("Sending REASSOC frame\n");
#endif
- if (!iwl3945_is_associated(priv) &&
+ /* drop all data frame if we are not associated */
+ if ((!iwl3945_is_associated(priv) ||
+ ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id)) &&
((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n");
goto drop_unlock;
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",
}
}
-void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
- struct iwl3945_rx_mem_buffer *rxb,
- void *data, short len,
- struct ieee80211_rx_status *stats,
- u16 phy_flags)
-{
- struct iwl3945_rt_rx_hdr *iwl3945_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(*iwl3945_rt)) {
- IWL_DEBUG_DROP("Dropping too large packet in monitor\n");
- return;
- }
-
- /* copy the frame data to write after where the radiotap header goes */
- iwl3945_rt = (void *)rxb->skb->data;
- memmove(iwl3945_rt->payload, data, len);
-
- iwl3945_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
- iwl3945_rt->rt_hdr.it_pad = 0; /* always good to zero */
-
- /* total header + data */
- iwl3945_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*iwl3945_rt));
-
- /* Set the size of the skb to the size of the frame */
- skb_put(rxb->skb, sizeof(*iwl3945_rt) + len);
-
- /* Big bitfield of all the fields we provide in radiotap */
- iwl3945_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 */
- iwl3945_rt->rt_flags = 0;
-
- iwl3945_rt->rt_tsf = cpu_to_le64(tsf);
-
- /* Convert to dBm */
- iwl3945_rt->rt_dbmsignal = signal;
- iwl3945_rt->rt_dbmnoise = noise;
-
- /* Convert the channel frequency and set the flags */
- iwl3945_rt->rt_channelMHz = cpu_to_le16(stats->freq);
- if (!(phy_flags_hw & RX_RES_PHY_FLAGS_BAND_24_MSK))
- iwl3945_rt->rt_chbitmask =
- cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ));
- else if (phy_flags_hw & RX_RES_PHY_FLAGS_MOD_CCK_MSK)
- iwl3945_rt->rt_chbitmask =
- cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ));
- else /* 802.11g */
- iwl3945_rt->rt_chbitmask =
- cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ));
-
- rate = iwl3945_rate_index_from_plcp(rate);
- if (rate == -1)
- iwl3945_rt->rt_rate = 0;
- else
- iwl3945_rt->rt_rate = iwl3945_rates[rate].ieee;
-
- /* antenna number */
- iwl3945_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)
- iwl3945_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 iwl3945_is_duplicate_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *header)
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);
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");
(priv->last_scan_jiffies, jiffies)));
priv->last_scan_jiffies = jiffies;
+ priv->next_scan_jiffies = 0;
}
/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
}
priv->last_scan_jiffies = jiffies;
+ priv->next_scan_jiffies = 0;
IWL_DEBUG_INFO("Setting scan to off\n");
clear_bit(STATUS_SCANNING, &priv->status);
* Also restock the Rx queue via iwl3945_rx_queue_restock.
* This is called as a scheduled work item (except for during initialization)
*/
-void iwl3945_rx_replenish(void *data)
+static void iwl3945_rx_allocate(struct iwl3945_priv *priv)
{
- struct iwl3945_priv *priv = data;
struct iwl3945_rx_queue *rxq = &priv->rxq;
struct list_head *element;
struct iwl3945_rx_mem_buffer *rxb;
* 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);
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);
iwl3945_rx_queue_restock(priv);
* Conversion assumes that levels are voltages (20*log), not powers (10*log). */
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 */
u32 r, i;
int reclaim;
unsigned long flags;
+ u8 fill_rx = 0;
+ u32 count = 8;
/* 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);
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 */
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. */
#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)
}
#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) {
/* 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);
IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
inta, inta_mask, inta_fh);
+ inta &= ~CSR_INT_BIT_SCD;
+
/* iwl3945_irq_tasklet() will service interrupts and re-enable them */
- tasklet_schedule(&priv->irq_tasklet);
+ if (likely(inta || inta_fh))
+ tasklet_schedule(&priv->irq_tasklet);
unplugged:
spin_unlock(&priv->lock);
* 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),
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. */
#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 < hw_mode->num_channels; i++) {
- if (channels[i].chan ==
+ for (i = 0, added = 0; i < sband->n_channels; i++) {
+ 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));
/* NOTE: if we were doing 6Mb OFDM for scans we'd use
* power level:
- * scan_ch->tpc.tx_gain = ((1<<5) | (2 << 3)) | 3;
+ * scan_ch->tpc.tx_gain = ((1 << 5) | (2 << 3)) | 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);
+ priv->bands[IEEE80211_BAND_2GHZ].n_channels,
+ priv->bands[IEEE80211_BAND_5GHZ].n_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->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->bands[IEEE80211_BAND_2GHZ];
+ priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->bands[IEEE80211_BAND_5GHZ];
- 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]);
-
- priv->modes = modes;
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
+/*
+ * iwl3945_free_geos - undo allocations in iwl3945_init_geos
+ */
+static void iwl3945_free_geos(struct iwl3945_priv *priv)
+{
+ kfree(priv->ieee_channels);
+ kfree(priv->ieee_rates);
+ clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
+}
+
/******************************************************************************
*
* uCode download functions
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);
}
/**
iwl3945_write32(priv, CSR_RESET, 0);
}
-static int iwl3945_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc)
-{
- desc->v_addr = pci_alloc_consistent(pci_dev, desc->len, &desc->p_addr);
- return (desc->v_addr != NULL) ? 0 : -ENOMEM;
-}
-
/**
* iwl3945_read_ucode - Read uCode images from disk file.
*
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;
* 1) unmodified from disk
* 2) backup cache for save/restore during power-downs */
priv->ucode_code.len = inst_size;
- iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_code);
+ iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_code);
priv->ucode_data.len = data_size;
- iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_data);
+ iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data);
priv->ucode_data_backup.len = data_size;
- iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
+ 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)
/* Initialization instructions and data */
if (init_size && init_data_size) {
priv->ucode_init.len = init_size;
- iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_init);
+ iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init);
priv->ucode_init_data.len = init_data_size;
- iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data);
+ 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) */
if (boot_size) {
priv->ucode_boot.len = boot_size;
- iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot);
+ iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot);
if (!priv->ucode_boot.v_addr)
goto err_pci_alloc;
/* Clear out the uCode error bit if it is set */
clear_bit(STATUS_FW_ERROR, &priv->status);
- rc = iwl3945_init_channel_map(priv);
- if (rc) {
- IWL_ERROR("initializing regulatory failed: %d\n", rc);
- return;
- }
-
- iwl3945_init_geos(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);
- iwl3945_rate_control_register(priv->hw);
- rc = ieee80211_register_hw(priv->hw);
- priv->hw->conf.beacon_int = 100;
- mutex_lock(&priv->mutex);
-
- if (rc) {
- iwl3945_rate_control_unregister(priv->hw);
- IWL_ERROR("Failed to register network "
- "device (error %d)\n", rc);
- return;
- }
-
- priv->mac80211_registered = 1;
-
- iwl3945_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;
iwl3945_reg_txpower_periodic(priv);
IWL_DEBUG_INFO("ALIVE processing complete.\n");
+ wake_up_interruptible(&priv->wait_command_queue);
if (priv->error_recovering)
iwl3945_error_recovery(priv);
STATUS_RF_KILL_HW |
test_bit(STATUS_RF_KILL_SW, &priv->status) <<
STATUS_RF_KILL_SW |
+ test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+ STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND;
goto exit;
STATUS_RF_KILL_HW |
test_bit(STATUS_RF_KILL_SW, &priv->status) <<
STATUS_RF_KILL_SW |
+ test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+ STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND |
test_bit(STATUS_FW_ERROR, &priv->status) <<
static int __iwl3945_up(struct iwl3945_priv *priv)
{
- DECLARE_MAC_BUF(mac);
int rc, i;
if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
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) {
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;
+ }
+ }
+
iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF);
rc = iwl3945_hw_nic_init(priv);
* 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++) {
/* start card; "initialize" will load runtime ucode */
iwl3945_nic_start(priv);
- /* MAC Address location in EEPROM is 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);
-
IWL_DEBUG_INFO(DRV_NAME " is coming up\n");
return 0;
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);
* that based on the direct_mask added to each channel entry */
scan->tx_cmd.len = cpu_to_le16(
iwl3945_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data,
- IWL_MAX_SCAN_SIZE - sizeof(scan), 0));
+ 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;
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:
scan->channel_count =
iwl3945_get_channels_for_scan(
- priv, phymode, 1, /* active */
+ priv, band, 1, /* active */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
mutex_unlock(&priv->mutex);
}
+#define IWL_DELAY_NEXT_SCAN (HZ*2)
+
static void iwl3945_bg_post_associate(struct work_struct *data)
{
struct iwl3945_priv *priv = container_of(data, struct iwl3945_priv,
mutex_lock(&priv->mutex);
- if (!priv->interface_id || !priv->is_open) {
+ if (!priv->vif || !priv->is_open) {
mutex_unlock(&priv->mutex);
return;
}
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);
}
mutex_unlock(&priv->mutex);
}
+static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
+
static void iwl3945_bg_scan_completed(struct work_struct *work)
{
struct iwl3945_priv *priv =
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
*
*****************************************************************************/
+#define UCODE_READY_TIMEOUT (2 * HZ)
+
static int iwl3945_mac_start(struct ieee80211_hw *hw)
{
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 (!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;
+ }
+ }
- if (!iwl3945_is_rfkill(priv))
- ieee80211_start_queues(priv->hw);
+ 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 iwl3945_mac_stop(struct ieee80211_hw *hw)
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;
- 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);
- 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");
}
}
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);
unsigned long flags;
DECLARE_MAC_BUF(mac);
- IWL_DEBUG_MAC80211("enter: id %d, type %d\n", conf->if_id, conf->type);
+ IWL_DEBUG_MAC80211("enter: type %d\n", conf->type);
- if (priv->interface_id) {
- IWL_DEBUG_MAC80211("leave - interface_id != 0\n");
+ 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);
memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
}
- iwl3945_set_mode(priv, conf->type);
+ if (iwl3945_is_ready(priv))
+ iwl3945_set_mode(priv, conf->type);
- IWL_DEBUG_MAC80211("leave\n");
mutex_unlock(&priv->mutex);
+ IWL_DEBUG_MAC80211("leave\n");
return 0;
}
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);
+ IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
+
+ 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/ declarations */
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 = 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);
- mutex_unlock(&priv->mutex);
- return -EINVAL;
+ 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
#ifdef IEEE80211_CONF_CHANNEL_SWITCH
if (conf->flags & IEEE80211_CONF_CHANNEL_SWITCH) {
iwl3945_hw_channel_switch(priv, conf->channel);
- mutex_unlock(&priv->mutex);
- return 0;
+ goto out;
}
#endif
if (!conf->radio_enabled) {
IWL_DEBUG_MAC80211("leave - radio disabled\n");
- mutex_unlock(&priv->mutex);
- return 0;
+ goto out;
}
if (iwl3945_is_rfkill(priv)) {
IWL_DEBUG_MAC80211("leave - RF kill\n");
- mutex_unlock(&priv->mutex);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
iwl3945_set_rate(priv);
IWL_DEBUG_MAC80211("leave\n");
+out:
+ clear_bit(STATUS_CONF_PENDING, &priv->status);
mutex_unlock(&priv->mutex);
-
- return 0;
+ return ret;
}
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 */
* clear sta table, add BCAST sta... */
}
-static int iwl3945_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 iwl3945_priv *priv = hw->priv;
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) &&
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));
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->interface_id != if_id) {
- IWL_DEBUG_MAC80211("leave - interface_id != if_id\n");
- mutex_unlock(&priv->mutex);
- return 0;
- }
if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
if (!conf->bssid) {
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
iwl3945_commit_rxon(priv);
}
+ done:
spin_lock_irqsave(&priv->lock, flags);
if (!conf->ssid_len)
memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
mutex_lock(&priv->mutex);
- 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->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;
mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211("leave\n");
-
}
-#define IWL_DELAY_NEXT_SCAN (HZ*2)
static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
{
int rc = 0;
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_DEBUG_SCAN("direct scan for %s [%d]\n ",
iwl3945_escape_essid(ssid, len), (int)len);
priv->one_direct_scan = 1;
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);
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
*/
return;
}
- if (!iwl3945_is_ready_rf(priv)) {
- IWL_DEBUG_MAC80211("leave - not ready\n");
- mutex_unlock(&priv->mutex);
- return;
- }
-
priv->only_active_channel = 0;
iwl3945_set_rate(priv);
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;
+ DECLARE_MAC_BUF(mac);
/* Disabling hardware scan means that mac80211 will perform scans
* "the hard way", rather than using device's scan. */
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)) {
IWL_ERROR("failed to set hw settings\n");
- mutex_unlock(&priv->mutex);
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);
iwl3945_disable_interrupts(priv);
- pci_enable_msi(pdev);
-
- err = request_irq(pdev->irq, iwl3945_isr, IRQF_SHARED, DRV_NAME, priv);
- if (err) {
- IWL_ERROR("Error allocating IRQ %d\n", pdev->irq);
- goto out_disable_msi;
- }
-
- mutex_lock(&priv->mutex);
-
err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group);
if (err) {
IWL_ERROR("failed to create sysfs device attributes\n");
- mutex_unlock(&priv->mutex);
goto out_release_irq;
}
- /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
- * ucode filename and max sizes are card-specific. */
- err = iwl3945_read_ucode(priv);
+ /* 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("Could not read microcode: %d\n", err);
- mutex_unlock(&priv->mutex);
- goto out_pci_alloc;
+ 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);
- mutex_unlock(&priv->mutex);
+ err = iwl3945_init_channel_map(priv);
+ if (err) {
+ IWL_ERROR("initializing regulatory failed: %d\n", err);
+ goto out_remove_sysfs;
+ }
- IWL_DEBUG_INFO("Queueing UP work.\n");
+ err = iwl3945_init_geos(priv);
+ if (err) {
+ IWL_ERROR("initializing geos failed: %d\n", err);
+ goto out_free_channel_map;
+ }
- queue_work(priv->workqueue, &priv->up);
+ 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;
+ }
- return 0;
+ priv->hw->conf.beacon_int = 100;
+ priv->mac80211_registered = 1;
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
- out_pci_alloc:
- iwl3945_dealloc_ucode_pci(priv);
+ return 0;
+ 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;
iwl3945_unset_hw_setting(priv);
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);
{
struct iwl3945_priv *priv = pci_get_drvdata(pdev);
- set_bit(STATUS_IN_SUSPEND, &priv->status);
-
- /* Take down the device; powers it off, etc. */
- iwl3945_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);
return 0;
}
-static void iwl3945_resume(struct iwl3945_priv *priv)
-{
- 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 iwl3945_down to be
- * called *after* iwl3945_hw_nic_init() has succeeded -- which
- * then lets the next init sequence succeed. So, we've
- * replicated all of that NIC init code here... */
-
- iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF);
-
- iwl3945_hw_nic_init(priv);
-
- 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);
- iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF);
- 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);
-
- /* tell the device to stop sending interrupts */
- iwl3945_disable_interrupts(priv);
-
- spin_lock_irqsave(&priv->lock, flags);
- iwl3945_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
- if (!iwl3945_grab_nic_access(priv)) {
- iwl3945_write_prph(priv, APMG_CLK_DIS_REG,
- APMG_CLK_VAL_DMA_CLK_RQT);
- iwl3945_release_nic_access(priv);
- }
- spin_unlock_irqrestore(&priv->lock, flags);
-
- udelay(5);
-
- iwl3945_hw_nic_reset(priv);
-
- /* Bring the device back up */
- clear_bit(STATUS_IN_SUSPEND, &priv->status);
- queue_work(priv->workqueue, &priv->up);
-}
-
static int iwl3945_pci_resume(struct pci_dev *pdev)
{
struct iwl3945_priv *priv = pci_get_drvdata(pdev);
- int err;
-
- printk(KERN_INFO "Coming out of suspend...\n");
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);
-
- iwl3945_resume(priv);
+ if (priv->is_open)
+ iwl3945_mac_start(priv->hw);
+ clear_bit(STATUS_IN_SUSPEND, &priv->status);
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff