#define _ipw_write8(ipw, ofs, val) writeb((val), (ipw)->hw_base + (ofs))
/* 8-bit direct write (for low 4K of SRAM/regs), with debug wrapper */
-#define ipw_write8(ipw, ofs, val) \
+#define ipw_write8(ipw, ofs, val) do { \
IPW_DEBUG_IO("%s %d: write_direct8(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \
- _ipw_write8(ipw, ofs, val)
+ _ipw_write8(ipw, ofs, val); \
+ } while (0)
/* 16-bit direct write (low 4K) */
#define _ipw_write16(ipw, ofs, val) writew((val), (ipw)->hw_base + (ofs))
{
struct ipw_priv *priv = dev_get_drvdata(d);
u32 log_len = ipw_get_event_log_len(priv);
- struct ipw_event log[log_len];
+ u32 log_size;
+ struct ipw_event *log;
u32 len = 0, i;
+ /* not using min() because of its strict type checking */
+ log_size = PAGE_SIZE / sizeof(*log) > log_len ?
+ sizeof(*log) * log_len : PAGE_SIZE;
+ log = kzalloc(log_size, GFP_KERNEL);
+ if (!log) {
+ IPW_ERROR("Unable to allocate memory for log\n");
+ return 0;
+ }
+ log_len = log_size / sizeof(*log);
ipw_capture_event_log(priv, log_len, log);
len += snprintf(buf + len, PAGE_SIZE - len, "%08X", log_len);
"\n%08X%08X%08X",
log[i].time, log[i].event, log[i].data);
len += snprintf(buf + len, PAGE_SIZE - len, "\n");
+ kfree(log);
return len;
}
if (priv->workqueue) {
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->request_direct_scan);
+ cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
}
queue_work(priv->workqueue, &priv->down);
wake_up_interruptible(&priv->wait_command_queue);
priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->request_direct_scan);
+ cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
schedule_work(&priv->link_down);
queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
static int ipw_send_associate(struct ipw_priv *priv,
struct ipw_associate *associate)
{
- struct ipw_associate tmp_associate;
-
if (!priv || !associate) {
IPW_ERROR("Invalid args\n");
return -1;
}
- memcpy(&tmp_associate, associate, sizeof(*associate));
- tmp_associate.policy_support =
- cpu_to_le16(tmp_associate.policy_support);
- tmp_associate.assoc_tsf_msw = cpu_to_le32(tmp_associate.assoc_tsf_msw);
- tmp_associate.assoc_tsf_lsw = cpu_to_le32(tmp_associate.assoc_tsf_lsw);
- tmp_associate.capability = cpu_to_le16(tmp_associate.capability);
- tmp_associate.listen_interval =
- cpu_to_le16(tmp_associate.listen_interval);
- tmp_associate.beacon_interval =
- cpu_to_le16(tmp_associate.beacon_interval);
- tmp_associate.atim_window = cpu_to_le16(tmp_associate.atim_window);
-
- return ipw_send_cmd_pdu(priv, IPW_CMD_ASSOCIATE, sizeof(tmp_associate),
- &tmp_associate);
+ return ipw_send_cmd_pdu(priv, IPW_CMD_ASSOCIATE, sizeof(*associate),
+ associate);
}
static int ipw_send_supported_rates(struct ipw_priv *priv,
static int ipw_send_card_disable(struct ipw_priv *priv, u32 phy_off)
{
+ __le32 v = cpu_to_le32(phy_off);
if (!priv) {
IPW_ERROR("Invalid args\n");
return -1;
}
- phy_off = cpu_to_le32(phy_off);
- return ipw_send_cmd_pdu(priv, IPW_CMD_CARD_DISABLE, sizeof(phy_off),
- &phy_off);
+ return ipw_send_cmd_pdu(priv, IPW_CMD_CARD_DISABLE, sizeof(v), &v);
}
static int ipw_send_tx_power(struct ipw_priv *priv, struct ipw_tx_power *power)
static int ipw_send_power_mode(struct ipw_priv *priv, u32 mode)
{
- u32 param;
+ __le32 param;
if (!priv) {
IPW_ERROR("Invalid args\n");
* level */
switch (mode) {
case IPW_POWER_BATTERY:
- param = IPW_POWER_INDEX_3;
+ param = cpu_to_le32(IPW_POWER_INDEX_3);
break;
case IPW_POWER_AC:
- param = IPW_POWER_MODE_CAM;
+ param = cpu_to_le32(IPW_POWER_MODE_CAM);
break;
default:
- param = mode;
+ param = cpu_to_le32(mode);
break;
}
- param = cpu_to_le32(param);
return ipw_send_cmd_pdu(priv, IPW_CMD_POWER_MODE, sizeof(param),
¶m);
}
static void ipw_eeprom_init_sram(struct ipw_priv *priv)
{
int i;
- u16 *eeprom = (u16 *) priv->eeprom;
+ __le16 *eeprom = (__le16 *) priv->eeprom;
IPW_DEBUG_TRACE(">>\n");
/* read entire contents of eeprom into private buffer */
for (i = 0; i < 128; i++)
- eeprom[i] = le16_to_cpu(eeprom_read_u16(priv, (u8) i));
+ eeprom[i] = cpu_to_le16(eeprom_read_u16(priv, (u8) i));
/*
If the data looks correct, then copy it to our private
}
struct fw_chunk {
- u32 address;
- u32 length;
+ __le32 address;
+ __le32 length;
};
static int ipw_load_ucode(struct ipw_priv *priv, u8 * data, size_t len)
{
int rc = 0, i, addr;
u8 cr = 0;
- u16 *image;
+ __le16 *image;
- image = (u16 *) data;
+ image = (__le16 *) data;
IPW_DEBUG_TRACE(">> \n");
/* load new ipw uCode */
for (i = 0; i < len / 2; i++)
ipw_write_reg16(priv, IPW_BASEBAND_CONTROL_STORE,
- cpu_to_le16(image[i]));
+ le16_to_cpu(image[i]));
/* enable DINO */
ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, 0);
if (cr & DINO_RXFIFO_DATA) {
/* alive_command_responce size is NOT multiple of 4 */
- u32 response_buffer[(sizeof(priv->dino_alive) + 3) / 4];
+ __le32 response_buffer[(sizeof(priv->dino_alive) + 3) / 4];
for (i = 0; i < ARRAY_SIZE(response_buffer); i++)
response_buffer[i] =
- le32_to_cpu(ipw_read_reg32(priv,
+ cpu_to_le32(ipw_read_reg32(priv,
IPW_BASEBAND_RX_FIFO_READ));
memcpy(&priv->dino_alive, response_buffer,
sizeof(priv->dino_alive));
/* Set us so that we have processed and used all buffers, but have
* not restocked the Rx queue with fresh buffers */
rxq->read = rxq->write = 0;
- rxq->processed = RX_QUEUE_SIZE - 1;
rxq->free_count = 0;
spin_unlock_irqrestore(&rxq->lock, flags);
}
* Driver allocates buffers of this size for Rx
*/
-static inline int ipw_queue_space(const struct clx2_queue *q)
+/**
+ * ipw_rx_queue_space - Return number of free slots available in queue.
+ */
+static int ipw_rx_queue_space(const struct ipw_rx_queue *q)
+{
+ int s = q->read - q->write;
+ if (s <= 0)
+ s += RX_QUEUE_SIZE;
+ /* keep some buffer to not confuse full and empty queue */
+ s -= 2;
+ if (s < 0)
+ s = 0;
+ return s;
+}
+
+static inline int ipw_tx_queue_space(const struct clx2_queue *q)
{
int s = q->last_used - q->first_empty;
if (s <= 0)
priv->last_missed_beacons = priv->missed_beacons;
if (priv->assoc_request.beacon_interval) {
missed_beacons_percent = missed_beacons_delta *
- (HZ * priv->assoc_request.beacon_interval) /
+ (HZ * le16_to_cpu(priv->assoc_request.beacon_interval)) /
(IPW_STATS_INTERVAL * 10);
} else {
missed_beacons_percent = 0;
struct ipw_rx_notification *notif)
{
DECLARE_MAC_BUF(mac);
+ u16 size = le16_to_cpu(notif->size);
notif->size = le16_to_cpu(notif->size);
- IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, notif->size);
+ IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, size);
switch (notif->subtype) {
case HOST_NOTIFICATION_STATUS_ASSOCIATED:{
workqueue,
&priv->
adhoc_check,
- priv->
+ le16_to_cpu(priv->
assoc_request.
- beacon_interval);
+ beacon_interval));
break;
}
if ((sizeof
(struct
ieee80211_assoc_response)
- <= notif->size)
- && (notif->size <= 2314)) {
+ <= size)
+ && (size <= 2314)) {
struct
ieee80211_rx_stats
stats = {
- .len =
- notif->
- size - 1,
+ .len = size - 1,
};
IPW_DEBUG_QOS
("QoS Associate "
- "size %d\n",
- notif->size);
+ "size %d\n", size);
ieee80211_rx_mgt(priv->
ieee,
(struct
priv->
essid_len),
print_mac(mac, priv->bssid),
- ntohs(auth->status),
+ le16_to_cpu(auth->status),
ipw_get_status_code
- (ntohs
+ (le16_to_cpu
(auth->status)));
priv->status &=
IPW_DL_STATE |
IPW_DL_ASSOC,
"association failed (0x%04X): %s\n",
- ntohs(resp->status),
+ le16_to_cpu(resp->status),
ipw_get_status_code
- (ntohs
+ (le16_to_cpu
(resp->status)));
}
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
IPW_DL_ASSOC,
"authentication failed (0x%04X): %s\n",
- ntohs(auth->status),
- ipw_get_status_code(ntohs
+ le16_to_cpu(auth->status),
+ ipw_get_status_code(le16_to_cpu
(auth->
status)));
}
struct notif_channel_result *x =
¬if->u.channel_result;
- if (notif->size == sizeof(*x)) {
+ if (size == sizeof(*x)) {
IPW_DEBUG_SCAN("Scan result for channel %d\n",
x->channel_num);
} else {
IPW_DEBUG_SCAN("Scan result of wrong size %d "
"(should be %zd)\n",
- notif->size, sizeof(*x));
+ size, sizeof(*x));
}
break;
}
case HOST_NOTIFICATION_STATUS_SCAN_COMPLETED:{
struct notif_scan_complete *x = ¬if->u.scan_complete;
- if (notif->size == sizeof(*x)) {
+ if (size == sizeof(*x)) {
IPW_DEBUG_SCAN
("Scan completed: type %d, %d channels, "
"%d status\n", x->scan_type,
} else {
IPW_ERROR("Scan completed of wrong size %d "
"(should be %zd)\n",
- notif->size, sizeof(*x));
+ size, sizeof(*x));
}
priv->status &=
priv->status &= ~STATUS_SCAN_FORCED;
#endif /* CONFIG_IPW2200_MONITOR */
+ /* Do queued direct scans first */
+ if (priv->status & STATUS_DIRECT_SCAN_PENDING) {
+ queue_delayed_work(priv->workqueue,
+ &priv->request_direct_scan, 0);
+ }
+
if (!(priv->status & (STATUS_ASSOCIATED |
STATUS_ASSOCIATING |
STATUS_ROAMING |
case HOST_NOTIFICATION_STATUS_FRAG_LENGTH:{
struct notif_frag_length *x = ¬if->u.frag_len;
- if (notif->size == sizeof(*x))
+ if (size == sizeof(*x))
IPW_ERROR("Frag length: %d\n",
le16_to_cpu(x->frag_length));
else
IPW_ERROR("Frag length of wrong size %d "
"(should be %zd)\n",
- notif->size, sizeof(*x));
+ size, sizeof(*x));
break;
}
struct notif_link_deterioration *x =
¬if->u.link_deterioration;
- if (notif->size == sizeof(*x)) {
+ if (size == sizeof(*x)) {
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
"link deterioration: type %d, cnt %d\n",
x->silence_notification_type,
} else {
IPW_ERROR("Link Deterioration of wrong size %d "
"(should be %zd)\n",
- notif->size, sizeof(*x));
+ size, sizeof(*x));
}
break;
}
case HOST_NOTIFICATION_STATUS_BEACON_STATE:{
struct notif_beacon_state *x = ¬if->u.beacon_state;
- if (notif->size != sizeof(*x)) {
+ if (size != sizeof(*x)) {
IPW_ERROR
("Beacon state of wrong size %d (should "
- "be %zd)\n", notif->size, sizeof(*x));
+ "be %zd)\n", size, sizeof(*x));
break;
}
case HOST_NOTIFICATION_STATUS_TGI_TX_KEY:{
struct notif_tgi_tx_key *x = ¬if->u.tgi_tx_key;
- if (notif->size == sizeof(*x)) {
+ if (size == sizeof(*x)) {
IPW_ERROR("TGi Tx Key: state 0x%02x sec type "
"0x%02x station %d\n",
x->key_state, x->security_type,
IPW_ERROR
("TGi Tx Key of wrong size %d (should be %zd)\n",
- notif->size, sizeof(*x));
+ size, sizeof(*x));
break;
}
case HOST_NOTIFICATION_CALIB_KEEP_RESULTS:{
struct notif_calibration *x = ¬if->u.calibration;
- if (notif->size == sizeof(*x)) {
+ if (size == sizeof(*x)) {
memcpy(&priv->calib, x, sizeof(*x));
IPW_DEBUG_INFO("TODO: Calibration\n");
break;
IPW_ERROR
("Calibration of wrong size %d (should be %zd)\n",
- notif->size, sizeof(*x));
+ size, sizeof(*x));
break;
}
case HOST_NOTIFICATION_NOISE_STATS:{
- if (notif->size == sizeof(u32)) {
+ if (size == sizeof(u32)) {
priv->exp_avg_noise =
exponential_average(priv->exp_avg_noise,
(u8) (le32_to_cpu(notif->u.noise.value) & 0xff),
IPW_ERROR
("Noise stat is wrong size %d (should be %zd)\n",
- notif->size, sizeof(u32));
+ size, sizeof(u32));
break;
}
default:
IPW_DEBUG_NOTIF("Unknown notification: "
"subtype=%d,flags=0x%2x,size=%d\n",
- notif->subtype, notif->flags, notif->size);
+ notif->subtype, notif->flags, size);
}
}
/**
* Reclaim Tx queue entries no more used by NIC.
*
- * When FW adwances 'R' index, all entries between old and
+ * When FW advances 'R' index, all entries between old and
* new 'R' index need to be reclaimed. As result, some free space
* forms. If there is enough free space (> low mark), wake Tx queue.
*
priv->tx_packets++;
}
done:
- if ((ipw_queue_space(q) > q->low_mark) &&
- (qindex >= 0) &&
- (priv->status & STATUS_ASSOCIATED) && netif_running(priv->net_dev))
+ if ((ipw_tx_queue_space(q) > q->low_mark) &&
+ (qindex >= 0))
netif_wake_queue(priv->net_dev);
used = q->first_empty - q->last_used;
if (used < 0)
struct clx2_queue *q = &txq->q;
struct tfd_frame *tfd;
- if (ipw_queue_space(q) < (sync ? 1 : 2)) {
+ if (ipw_tx_queue_space(q) < (sync ? 1 : 2)) {
IPW_ERROR("No space for Tx\n");
return -EBUSY;
}
spin_lock_irqsave(&rxq->lock, flags);
write = rxq->write;
- while ((rxq->write != rxq->processed) && (rxq->free_count)) {
+ while ((ipw_rx_queue_space(rxq) > 0) && (rxq->free_count)) {
element = rxq->rx_free.next;
rxb = list_entry(element, struct ipw_rx_mem_buffer, list);
list_del(element);
/* Set us so that we have processed and used all buffers, but have
* not restocked the Rx queue with fresh buffers */
rxq->read = rxq->write = 0;
- rxq->processed = RX_QUEUE_SIZE - 1;
rxq->free_count = 0;
return rxq;
}
queue_delayed_work(priv->workqueue, &priv->adhoc_check,
- priv->assoc_request.beacon_interval);
+ le16_to_cpu(priv->assoc_request.beacon_interval));
}
static void ipw_bg_adhoc_check(struct work_struct *work)
}
}
-static int ipw_request_scan_helper(struct ipw_priv *priv, int type)
+static int ipw_request_scan_helper(struct ipw_priv *priv, int type, int direct)
{
struct ipw_scan_request_ext scan;
int err = 0, scan_type;
mutex_lock(&priv->mutex);
+ if (direct && (priv->direct_scan_ssid_len == 0)) {
+ IPW_DEBUG_HC("Direct scan requested but no SSID to scan for\n");
+ priv->status &= ~STATUS_DIRECT_SCAN_PENDING;
+ goto done;
+ }
+
if (priv->status & STATUS_SCANNING) {
- IPW_DEBUG_HC("Concurrent scan requested. Ignoring.\n");
- priv->status |= STATUS_SCAN_PENDING;
+ IPW_DEBUG_HC("Concurrent scan requested. Queuing.\n");
+ priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING :
+ STATUS_SCAN_PENDING;
goto done;
}
if (!(priv->status & STATUS_SCAN_FORCED) &&
priv->status & STATUS_SCAN_ABORTING) {
IPW_DEBUG_HC("Scan request while abort pending. Queuing.\n");
- priv->status |= STATUS_SCAN_PENDING;
+ priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING :
+ STATUS_SCAN_PENDING;
goto done;
}
if (priv->status & STATUS_RF_KILL_MASK) {
- IPW_DEBUG_HC("Aborting scan due to RF Kill activation\n");
- priv->status |= STATUS_SCAN_PENDING;
+ IPW_DEBUG_HC("Queuing scan due to RF Kill activation\n");
+ priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING :
+ STATUS_SCAN_PENDING;
goto done;
}
cpu_to_le16(20);
scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = cpu_to_le16(120);
+ scan.dwell_time[IPW_SCAN_ACTIVE_DIRECT_SCAN] = cpu_to_le16(20);
#ifdef CONFIG_IPW2200_MONITOR
if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
cpu_to_le16(2000);
} else {
#endif /* CONFIG_IPW2200_MONITOR */
- /* If we are roaming, then make this a directed scan for the
- * current network. Otherwise, ensure that every other scan
- * is a fast channel hop scan */
- if ((priv->status & STATUS_ROAMING)
- || (!(priv->status & STATUS_ASSOCIATED)
- && (priv->config & CFG_STATIC_ESSID)
- && (le32_to_cpu(scan.full_scan_index) % 2))) {
+ /* Honor direct scans first, otherwise if we are roaming make
+ * this a direct scan for the current network. Finally,
+ * ensure that every other scan is a fast channel hop scan */
+ if (direct) {
+ err = ipw_send_ssid(priv, priv->direct_scan_ssid,
+ priv->direct_scan_ssid_len);
+ if (err) {
+ IPW_DEBUG_HC("Attempt to send SSID command "
+ "failed\n");
+ goto done;
+ }
+
+ scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN;
+ } else if ((priv->status & STATUS_ROAMING)
+ || (!(priv->status & STATUS_ASSOCIATED)
+ && (priv->config & CFG_STATIC_ESSID)
+ && (le32_to_cpu(scan.full_scan_index) % 2))) {
err = ipw_send_ssid(priv, priv->essid, priv->essid_len);
if (err) {
IPW_DEBUG_HC("Attempt to send SSID command "
}
priv->status |= STATUS_SCANNING;
- priv->status &= ~STATUS_SCAN_PENDING;
+ if (direct) {
+ priv->status &= ~STATUS_DIRECT_SCAN_PENDING;
+ priv->direct_scan_ssid_len = 0;
+ } else
+ priv->status &= ~STATUS_SCAN_PENDING;
+
queue_delayed_work(priv->workqueue, &priv->scan_check,
IPW_SCAN_CHECK_WATCHDOG);
done:
static void ipw_request_passive_scan(struct work_struct *work)
{
struct ipw_priv *priv =
- container_of(work, struct ipw_priv, request_passive_scan);
- ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE);
+ container_of(work, struct ipw_priv, request_passive_scan.work);
+ ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE, 0);
}
static void ipw_request_scan(struct work_struct *work)
{
struct ipw_priv *priv =
container_of(work, struct ipw_priv, request_scan.work);
- ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE);
+ ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE, 0);
+}
+
+static void ipw_request_direct_scan(struct work_struct *work)
+{
+ struct ipw_priv *priv =
+ container_of(work, struct ipw_priv, request_direct_scan.work);
+ ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE, 1);
}
static void ipw_bg_abort_scan(struct work_struct *work)
{
struct ipw_priv *priv = ieee80211_priv(dev);
struct iw_mlme *mlme = (struct iw_mlme *)extra;
- u16 reason;
+ __le16 reason;
reason = cpu_to_le16(mlme->reason_code);
burst_duration = ipw_qos_get_burst_duration(priv);
for (i = 0; i < QOS_QUEUE_NUM; i++)
qos_parameters[QOS_PARAM_SET_ACTIVE].tx_op_limit[i] =
- (u16)burst_duration;
+ cpu_to_le16(burst_duration);
} else if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
if (type == IEEE_B) {
IPW_DEBUG_QOS("QoS activate IBSS nework mode %d\n",
burst_duration = ipw_qos_get_burst_duration(priv);
for (i = 0; i < QOS_QUEUE_NUM; i++)
qos_parameters[QOS_PARAM_SET_ACTIVE].
- tx_op_limit[i] = (u16)burst_duration;
+ tx_op_limit[i] = cpu_to_le16(burst_duration);
}
}
IPW_DEBUG_QOS("QoS sending IPW_CMD_QOS_PARAMETERS\n");
- for (i = 0; i < 3; i++) {
- int j;
- for (j = 0; j < QOS_QUEUE_NUM; j++) {
- qos_parameters[i].cw_min[j] = cpu_to_le16(qos_parameters[i].cw_min[j]);
- qos_parameters[i].cw_max[j] = cpu_to_le16(qos_parameters[i].cw_max[j]);
- qos_parameters[i].tx_op_limit[j] = cpu_to_le16(qos_parameters[i].tx_op_limit[j]);
- }
- }
-
err = ipw_send_qos_params_command(priv,
(struct ieee80211_qos_parameters *)
&(qos_parameters[0]));
priv->assoc_request.auth_type = AUTH_OPEN;
if (priv->ieee->wpa_ie_len) {
- priv->assoc_request.policy_support = 0x02; /* RSN active */
+ priv->assoc_request.policy_support = cpu_to_le16(0x02); /* RSN active */
ipw_set_rsn_capa(priv, priv->ieee->wpa_ie,
priv->ieee->wpa_ie_len);
}
else if (network->mode & priv->ieee->mode & IEEE_B)
priv->assoc_request.ieee_mode = IPW_B_MODE;
- priv->assoc_request.capability = network->capability;
+ priv->assoc_request.capability = cpu_to_le16(network->capability);
if ((network->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
&& !(priv->config & CFG_PREAMBLE_LONG)) {
priv->assoc_request.preamble_length = DCT_FLAG_SHORT_PREAMBLE;
/* Clear the short preamble if we won't be supporting it */
priv->assoc_request.capability &=
- ~WLAN_CAPABILITY_SHORT_PREAMBLE;
+ ~cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
}
/* Clear capability bits that aren't used in Ad Hoc */
if (priv->ieee->iw_mode == IW_MODE_ADHOC)
priv->assoc_request.capability &=
- ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
+ ~cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
IPW_DEBUG_ASSOC("%sssocation attempt: '%s', channel %d, "
"802.11%c [%d], %s[:%s], enc=%s%s%s%c%c\n",
'1' + priv->ieee->sec.active_key : '.',
priv->capability & CAP_PRIVACY_ON ? '.' : ' ');
- priv->assoc_request.beacon_interval = network->beacon_interval;
+ priv->assoc_request.beacon_interval = cpu_to_le16(network->beacon_interval);
if ((priv->ieee->iw_mode == IW_MODE_ADHOC) &&
(network->time_stamp[0] == 0) && (network->time_stamp[1] == 0)) {
priv->assoc_request.assoc_type = HC_IBSS_START;
priv->assoc_request.assoc_type = HC_REASSOCIATE;
else
priv->assoc_request.assoc_type = HC_ASSOCIATE;
- priv->assoc_request.assoc_tsf_msw = network->time_stamp[1];
- priv->assoc_request.assoc_tsf_lsw = network->time_stamp[0];
+ priv->assoc_request.assoc_tsf_msw = cpu_to_le32(network->time_stamp[1]);
+ priv->assoc_request.assoc_tsf_lsw = cpu_to_le32(network->time_stamp[0]);
}
memcpy(priv->assoc_request.bssid, network->bssid, ETH_ALEN);
if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
memset(&priv->assoc_request.dest, 0xFF, ETH_ALEN);
- priv->assoc_request.atim_window = network->atim_window;
+ priv->assoc_request.atim_window = cpu_to_le16(network->atim_window);
} else {
memcpy(priv->assoc_request.dest, network->bssid, ETH_ALEN);
priv->assoc_request.atim_window = 0;
}
- priv->assoc_request.listen_interval = network->listen_interval;
+ priv->assoc_request.listen_interval = cpu_to_le16(network->listen_interval);
err = ipw_send_ssid(priv, priv->essid, priv->essid_len);
if (err) {
priv->ieee->iw_mode == IW_MODE_ADHOC &&
priv->config & CFG_ADHOC_CREATE &&
priv->config & CFG_STATIC_ESSID &&
- priv->config & CFG_STATIC_CHANNEL &&
- !list_empty(&priv->ieee->network_free_list)) {
+ priv->config & CFG_STATIC_CHANNEL) {
+ /* Use oldest network if the free list is empty */
+ if (list_empty(&priv->ieee->network_free_list)) {
+ struct ieee80211_network *oldest = NULL;
+ struct ieee80211_network *target;
+ DECLARE_MAC_BUF(mac);
+
+ list_for_each_entry(target, &priv->ieee->network_list, list) {
+ if ((oldest == NULL) ||
+ (target->last_scanned < oldest->last_scanned))
+ oldest = target;
+ }
+
+ /* If there are no more slots, expire the oldest */
+ list_del(&oldest->list);
+ target = oldest;
+ IPW_DEBUG_ASSOC("Expired '%s' (%s) from "
+ "network list.\n",
+ escape_essid(target->ssid,
+ target->ssid_len),
+ print_mac(mac, target->bssid));
+ list_add_tail(&target->list,
+ &priv->ieee->network_free_list);
+ }
+
element = priv->ieee->network_free_list.next;
network = list_entry(element, struct ieee80211_network, list);
ipw_adhoc_create(priv, network);
ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */
- ipw_rt->rt_hdr.it_len = sizeof(struct ipw_rt_hdr); /* total header+data */
+ ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct ipw_rt_hdr)); /* total header+data */
/* Big bitfield of all the fields we provide in radiotap */
- ipw_rt->rt_hdr.it_present =
- ((1 << IEEE80211_RADIOTAP_TSFT) |
+ ipw_rt->rt_hdr.it_present = cpu_to_le32(
+ (1 << IEEE80211_RADIOTAP_TSFT) |
(1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_RATE) |
(1 << IEEE80211_RADIOTAP_CHANNEL) |
cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ));
} else { /* 802.11g */
ipw_rt->rt_chbitmask =
- (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
+ cpu_to_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
}
/* set the rate in multiples of 500k/s */
ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */
- ipw_rt->rt_hdr.it_len = sizeof(*ipw_rt); /* total header+data */
+ ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*ipw_rt)); /* total header+data */
/* Set the size of the skb to the size of the frame */
- skb_put(skb, ipw_rt->rt_hdr.it_len + len);
+ skb_put(skb, sizeof(*ipw_rt) + len);
/* Big bitfield of all the fields we provide in radiotap */
- ipw_rt->rt_hdr.it_present =
- ((1 << IEEE80211_RADIOTAP_TSFT) |
+ ipw_rt->rt_hdr.it_present = cpu_to_le32(
+ (1 << IEEE80211_RADIOTAP_TSFT) |
(1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_RATE) |
(1 << IEEE80211_RADIOTAP_CHANNEL) |
cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ));
} else { /* 802.11g */
ipw_rt->rt_chbitmask =
- (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
+ cpu_to_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
}
/* set the rate in multiples of 500k/s */
struct ieee80211_hdr_4addr *header;
u32 r, w, i;
u8 network_packet;
+ u8 fill_rx = 0;
DECLARE_MAC_BUF(mac);
DECLARE_MAC_BUF(mac2);
DECLARE_MAC_BUF(mac3);
r = ipw_read32(priv, IPW_RX_READ_INDEX);
w = ipw_read32(priv, IPW_RX_WRITE_INDEX);
- i = (priv->rxq->processed + 1) % RX_QUEUE_SIZE;
+ i = priv->rxq->read;
+
+ if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2))
+ fill_rx = 1;
while (i != r) {
rxb = priv->rxq->queue[i];
list_add_tail(&rxb->list, &priv->rxq->rx_used);
i = (i + 1) % RX_QUEUE_SIZE;
+
+ /* If there are a lot of unsued frames, restock the Rx queue
+ * so the ucode won't assert */
+ if (fill_rx) {
+ priv->rxq->read = i;
+ ipw_rx_queue_replenish(priv);
+ }
}
/* Backtrack one entry */
- priv->rxq->processed = (i ? i : RX_QUEUE_SIZE) - 1;
-
+ priv->rxq->read = i;
ipw_rx_queue_restock(priv);
}
range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
+ range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE;
+
IPW_DEBUG_WX("GET Range\n");
return 0;
}
return 0;
}
-static int ipw_request_direct_scan(struct ipw_priv *priv, char *essid,
- int essid_len)
-{
- struct ipw_scan_request_ext scan;
- int err = 0, scan_type;
-
- if (!(priv->status & STATUS_INIT) ||
- (priv->status & STATUS_EXIT_PENDING))
- return 0;
-
- mutex_lock(&priv->mutex);
-
- if (priv->status & STATUS_RF_KILL_MASK) {
- IPW_DEBUG_HC("Aborting scan due to RF kill activation\n");
- priv->status |= STATUS_SCAN_PENDING;
- goto done;
- }
-
- IPW_DEBUG_HC("starting request direct scan!\n");
-
- if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) {
- /* We should not sleep here; otherwise we will block most
- * of the system (for instance, we hold rtnl_lock when we
- * get here).
- */
- err = -EAGAIN;
- goto done;
- }
- memset(&scan, 0, sizeof(scan));
-
- if (priv->config & CFG_SPEED_SCAN)
- scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] =
- cpu_to_le16(30);
- else
- scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] =
- cpu_to_le16(20);
-
- scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN] =
- cpu_to_le16(20);
- scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = cpu_to_le16(120);
- scan.dwell_time[IPW_SCAN_ACTIVE_DIRECT_SCAN] = cpu_to_le16(20);
-
- scan.full_scan_index = cpu_to_le32(ieee80211_get_scans(priv->ieee));
-
- err = ipw_send_ssid(priv, essid, essid_len);
- if (err) {
- IPW_DEBUG_HC("Attempt to send SSID command failed\n");
- goto done;
- }
- scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN;
-
- ipw_add_scan_channels(priv, &scan, scan_type);
-
- err = ipw_send_scan_request_ext(priv, &scan);
- if (err) {
- IPW_DEBUG_HC("Sending scan command failed: %08X\n", err);
- goto done;
- }
-
- priv->status |= STATUS_SCANNING;
-
- done:
- mutex_unlock(&priv->mutex);
- return err;
-}
-
static int ipw_wx_set_scan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
struct iw_scan_req *req = (struct iw_scan_req *)extra;
+ struct delayed_work *work = NULL;
mutex_lock(&priv->mutex);
+
priv->user_requested_scan = 1;
- mutex_unlock(&priv->mutex);
if (wrqu->data.length == sizeof(struct iw_scan_req)) {
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
- ipw_request_direct_scan(priv, req->essid,
- req->essid_len);
- return 0;
- }
- if (req->scan_type == IW_SCAN_TYPE_PASSIVE) {
- queue_work(priv->workqueue,
- &priv->request_passive_scan);
- return 0;
+ int len = min((int)req->essid_len,
+ (int)sizeof(priv->direct_scan_ssid));
+ memcpy(priv->direct_scan_ssid, req->essid, len);
+ priv->direct_scan_ssid_len = len;
+ work = &priv->request_direct_scan;
+ } else if (req->scan_type == IW_SCAN_TYPE_PASSIVE) {
+ work = &priv->request_passive_scan;
}
+ } else {
+ /* Normal active broadcast scan */
+ work = &priv->request_scan;
}
+ mutex_unlock(&priv->mutex);
+
IPW_DEBUG_WX("Start scan\n");
- queue_delayed_work(priv->workqueue, &priv->request_scan, 0);
+ queue_delayed_work(priv->workqueue, work, 0);
return 0;
}
static int ipw_net_open(struct net_device *dev)
{
- struct ipw_priv *priv = ieee80211_priv(dev);
IPW_DEBUG_INFO("dev->open\n");
- /* we should be verifying the device is ready to be opened */
- mutex_lock(&priv->mutex);
- if (!(priv->status & STATUS_RF_KILL_MASK) &&
- (priv->status & STATUS_ASSOCIATED))
- netif_start_queue(dev);
- mutex_unlock(&priv->mutex);
+ netif_start_queue(dev);
return 0;
}
u8 id, hdr_len, unicast;
u16 remaining_bytes;
int fc;
- DECLARE_MAC_BUF(mac);
hdr_len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
switch (priv->ieee->iw_mode) {
id = ipw_add_station(priv, hdr->addr1);
if (id == IPW_INVALID_STATION) {
IPW_WARNING("Attempt to send data to "
- "invalid cell: %s\n",
- print_mac(mac, hdr->addr1));
+ "invalid cell: " MAC_FMT "\n",
+ hdr->addr1[0], hdr->addr1[1],
+ hdr->addr1[2], hdr->addr1[3],
+ hdr->addr1[4], hdr->addr1[5]);
goto drop;
}
}
tfd->u.data.chunk_ptr[i] =
cpu_to_le32(pci_map_single
(priv->pci_dev, skb->data,
- tfd->u.data.chunk_len[i],
+ remaining_bytes,
PCI_DMA_TODEVICE));
- tfd->u.data.num_chunks =
- cpu_to_le32(le32_to_cpu(tfd->u.data.num_chunks) +
- 1);
+ le32_add_cpu(&tfd->u.data.num_chunks, 1);
}
}
q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd);
ipw_write32(priv, q->reg_w, q->first_empty);
- if (ipw_queue_space(q) < q->high_mark)
+ if (ipw_tx_queue_space(q) < q->high_mark)
netif_stop_queue(priv->net_dev);
return NETDEV_TX_OK;
struct clx2_tx_queue *txq = &priv->txq[0];
#endif /* CONFIG_IPW2200_QOS */
- if (ipw_queue_space(&txq->q) < txq->q.high_mark)
+ if (ipw_tx_queue_space(&txq->q) < txq->q.high_mark)
return 1;
return 0;
rt_hdr->it_version = PKTHDR_RADIOTAP_VERSION;
rt_hdr->it_pad = 0;
rt_hdr->it_present = 0; /* after all, it's just an idea */
- rt_hdr->it_present |= (1 << IEEE80211_RADIOTAP_CHANNEL);
+ rt_hdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_CHANNEL);
- *(u16*)skb_put(dst, sizeof(u16)) = cpu_to_le16(
+ *(__le16*)skb_put(dst, sizeof(u16)) = cpu_to_le16(
ieee80211chan2mhz(priv->channel));
if (priv->channel > 14) /* 802.11a */
- *(u16*)skb_put(dst, sizeof(u16)) =
+ *(__le16*)skb_put(dst, sizeof(u16)) =
cpu_to_le16(IEEE80211_CHAN_OFDM |
IEEE80211_CHAN_5GHZ);
else if (priv->ieee->mode == IEEE_B) /* 802.11b */
- *(u16*)skb_put(dst, sizeof(u16)) =
+ *(__le16*)skb_put(dst, sizeof(u16)) =
cpu_to_le16(IEEE80211_CHAN_CCK |
IEEE80211_CHAN_2GHZ);
else /* 802.11g */
- *(u16*)skb_put(dst, sizeof(u16)) =
+ *(__le16*)skb_put(dst, sizeof(u16)) =
cpu_to_le16(IEEE80211_CHAN_OFDM |
IEEE80211_CHAN_2GHZ);
- rt_hdr->it_len = dst->len;
+ rt_hdr->it_len = cpu_to_le16(dst->len);
skb_copy_from_linear_data(src, skb_put(dst, len), len);
IPW_DEBUG_TX("dev->xmit(%d bytes)\n", txb->payload_size);
spin_lock_irqsave(&priv->lock, flags);
- if (!(priv->status & STATUS_ASSOCIATED)) {
- IPW_DEBUG_INFO("Tx attempt while not associated.\n");
- priv->ieee->stats.tx_carrier_errors++;
- netif_stop_queue(dev);
- goto fail_unlock;
- }
-
#ifdef CONFIG_IPW2200_PROMISCUOUS
if (rtap_iface && netif_running(priv->prom_net_dev))
ipw_handle_promiscuous_tx(priv, txb);
spin_unlock_irqrestore(&priv->lock, flags);
return ret;
-
- fail_unlock:
- spin_unlock_irqrestore(&priv->lock, flags);
- return 1;
}
static struct net_device_stats *ipw_net_get_stats(struct net_device *dev)
priv->last_packet_time = 0;
netif_carrier_on(priv->net_dev);
- if (netif_queue_stopped(priv->net_dev)) {
- IPW_DEBUG_NOTIF("waking queue\n");
- netif_wake_queue(priv->net_dev);
- } else {
- IPW_DEBUG_NOTIF("starting queue\n");
- netif_start_queue(priv->net_dev);
- }
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->request_direct_scan);
+ cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
ipw_reset_stats(priv);
/* Ensure the rate is updated immediately */
{
ipw_led_link_down(priv);
netif_carrier_off(priv->net_dev);
- netif_stop_queue(priv->net_dev);
notify_wx_assoc_event(priv);
/* Cancel any queued work ... */
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->request_direct_scan);
+ cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->adhoc_check);
cancel_delayed_work(&priv->gather_stats);
INIT_WORK(&priv->up, ipw_bg_up);
INIT_WORK(&priv->down, ipw_bg_down);
INIT_DELAYED_WORK(&priv->request_scan, ipw_request_scan);
+ INIT_DELAYED_WORK(&priv->request_direct_scan, ipw_request_direct_scan);
+ INIT_DELAYED_WORK(&priv->request_passive_scan, ipw_request_passive_scan);
INIT_DELAYED_WORK(&priv->scan_event, ipw_scan_event);
- INIT_WORK(&priv->request_passive_scan, ipw_request_passive_scan);
INIT_DELAYED_WORK(&priv->gather_stats, ipw_bg_gather_stats);
INIT_WORK(&priv->abort_scan, ipw_bg_abort_scan);
INIT_WORK(&priv->roam, ipw_bg_roam);
#if 0
if ((priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) &&
(((priv->assoc_request.capability &
- WLAN_CAPABILITY_PRIVACY) && !sec->enabled) ||
+ cpu_to_le16(WLAN_CAPABILITY_PRIVACY)) && !sec->enabled) ||
(!(priv->assoc_request.capability &
- WLAN_CAPABILITY_PRIVACY) && sec->enabled))) {
+ cpu_to_le16(WLAN_CAPABILITY_PRIVACY)) && sec->enabled))) {
IPW_DEBUG_ASSOC("Disassociating due to capability "
"change.\n");
ipw_disassociate(priv);
/* Clear all bits but the RF Kill */
priv->status &= STATUS_RF_KILL_MASK | STATUS_EXIT_PENDING;
netif_carrier_off(priv->net_dev);
- netif_stop_queue(priv->net_dev);
ipw_stop_nic(priv);
IPW_DEBUG_INFO("prom dev->open\n");
netif_carrier_off(dev);
- netif_stop_queue(dev);
if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
priv->sys_config.accept_all_data_frames = 1;
static int ipw_prom_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
IPW_DEBUG_INFO("prom dev->xmit\n");
- netif_stop_queue(dev);
return -EOPNOTSUPP;
}
priv->prom_priv->priv = priv;
strcpy(priv->prom_net_dev->name, "rtap%d");
+ memcpy(priv->prom_net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
priv->prom_net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
priv->prom_net_dev->open = ipw_prom_open;
priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit;
priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR;
+ SET_NETDEV_DEV(priv->prom_net_dev, &priv->pci_dev->dev);
rc = register_netdev(priv->prom_net_dev);
if (rc) {
cancel_delayed_work(&priv->adhoc_check);
cancel_delayed_work(&priv->gather_stats);
cancel_delayed_work(&priv->request_scan);
+ cancel_delayed_work(&priv->request_direct_scan);
+ cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
cancel_delayed_work(&priv->rf_kill);
cancel_delayed_work(&priv->scan_check);
MODULE_PARM_DESC(auto_create, "auto create adhoc network (default on)");
module_param(led, int, 0444);
-MODULE_PARM_DESC(led, "enable led control on some systems (default 0 off)\n");
+MODULE_PARM_DESC(led, "enable led control on some systems (default 0 off)");
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff