aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ipw2200.c841
-rw-r--r--drivers/net/wireless/ipw2200.h5
2 files changed, 668 insertions, 178 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index ea7a3dcf1da..0bf1931ac5f 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -32,7 +32,7 @@
#include "ipw2200.h"
-#define IPW2200_VERSION "1.0.2"
+#define IPW2200_VERSION "1.0.3"
#define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2200/2915 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 2003-2004 Intel Corporation"
#define DRV_VERSION IPW2200_VERSION
@@ -68,9 +68,10 @@ static void ipw_tx_queue_free(struct ipw_priv *);
static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *);
static void ipw_rx_queue_free(struct ipw_priv *, struct ipw_rx_queue *);
static void ipw_rx_queue_replenish(void *);
-
static int ipw_up(struct ipw_priv *);
+static void ipw_bg_up(void *);
static void ipw_down(struct ipw_priv *);
+static void ipw_bg_down(void *);
static int ipw_config(struct ipw_priv *);
static int init_supported_rates(struct ipw_priv *priv,
struct ipw_supported_rates *prates);
@@ -473,6 +474,11 @@ static void ipw_dump_nic_event_log(struct ipw_priv *priv)
}
}
+static inline int ipw_is_init(struct ipw_priv *priv)
+{
+ return (priv->status & STATUS_INIT) ? 1 : 0;
+}
+
static int ipw_get_ordinal(struct ipw_priv *priv, u32 ord, void *val, u32 * len)
{
u32 addr, field_info, field_len, field_count, total_len;
@@ -698,6 +704,14 @@ void ipw_led_link_on(struct ipw_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
+static void ipw_bg_led_link_on(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_led_link_on(data);
+ up(&priv->sem);
+}
+
void ipw_led_link_off(struct ipw_priv *priv)
{
unsigned long flags;
@@ -734,6 +748,14 @@ void ipw_led_link_off(struct ipw_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
+static void ipw_bg_led_link_off(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_led_link_off(data);
+ up(&priv->sem);
+}
+
void ipw_led_activity_on(struct ipw_priv *priv)
{
unsigned long flags;
@@ -762,6 +784,7 @@ void ipw_led_activity_on(struct ipw_priv *priv)
priv->status |= STATUS_LED_ACT_ON;
+ cancel_delayed_work(&priv->led_act_off);
queue_delayed_work(priv->workqueue, &priv->led_act_off,
LD_TIME_ACT_ON);
} else {
@@ -801,13 +824,22 @@ void ipw_led_activity_off(struct ipw_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
+static void ipw_bg_led_activity_off(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_led_activity_off(data);
+ up(&priv->sem);
+}
+
void ipw_led_band_on(struct ipw_priv *priv)
{
unsigned long flags;
u32 led;
/* Only nic type 1 supports mode LEDs */
- if (priv->config & CFG_NO_LED || priv->nic_type != EEPROM_NIC_TYPE_1)
+ if (priv->config & CFG_NO_LED ||
+ priv->nic_type != EEPROM_NIC_TYPE_1 || !priv->assoc_network)
return;
spin_lock_irqsave(&priv->lock, flags);
@@ -993,7 +1025,9 @@ static ssize_t store_scan_age(struct device *d, struct device_attribute *attr,
const char *buf, size_t count)
{
struct ipw_priv *priv = dev_get_drvdata(d);
+#ifdef CONFIG_IPW_DEBUG
struct net_device *dev = priv->net_dev;
+#endif
char buffer[] = "00000000";
unsigned long len =
(sizeof(buffer) - 1) > count ? count : sizeof(buffer) - 1;
@@ -1704,6 +1738,14 @@ static void ipw_adapter_restart(void *adapter)
}
}
+static void ipw_bg_adapter_restart(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_adapter_restart(data);
+ up(&priv->sem);
+}
+
#define IPW_SCAN_CHECK_WATCHDOG (5 * HZ)
static void ipw_scan_check(void *data)
@@ -1717,6 +1759,14 @@ static void ipw_scan_check(void *data)
}
}
+static void ipw_bg_scan_check(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_scan_check(data);
+ up(&priv->sem);
+}
+
static int ipw_send_scan_request_ext(struct ipw_priv *priv,
struct ipw_scan_request_ext *request)
{
@@ -2982,6 +3032,8 @@ static int ipw_load(struct ipw_priv *priv)
/* Ensure interrupts are disabled */
ipw_write32(priv, CX2_INTA_MASK_R, ~CX2_INTA_MASK_ALL);
+ /* ack pending interrupts */
+ ipw_write32(priv, CX2_INTA_RW, CX2_INTA_MASK_ALL);
/* kick start the device */
ipw_start_nic(priv);
@@ -3350,9 +3402,21 @@ static void ipw_send_disassociate(struct ipw_priv *priv, int quiet)
}
-static void ipw_disassociate(void *data)
+static int ipw_disassociate(void *data)
{
+ struct ipw_priv *priv = data;
+ if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
+ return 0;
ipw_send_disassociate(data, 0);
+ return 1;
+}
+
+static void ipw_bg_disassociate(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_disassociate(data);
+ up(&priv->sem);
}
struct ipw_status_code {
@@ -3571,8 +3635,6 @@ static u32 ipw_get_current_rate(struct ipw_priv *priv)
return 0;
}
-#define PERFECT_RSSI (-20)
-#define WORST_RSSI (-85)
#define IPW_STATS_INTERVAL (2 * HZ)
static void ipw_gather_stats(struct ipw_priv *priv)
{
@@ -3663,19 +3725,19 @@ static void ipw_gather_stats(struct ipw_priv *priv)
tx_quality, tx_failures_delta, tx_packets_delta);
rssi = average_value(&priv->average_rssi);
- if (rssi > PERFECT_RSSI)
+ signal_quality =
+ (100 *
+ (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) *
+ (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) -
+ (priv->ieee->perfect_rssi - rssi) *
+ (15 * (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) +
+ 62 * (priv->ieee->perfect_rssi - rssi))) /
+ ((priv->ieee->perfect_rssi - priv->ieee->worst_rssi) *
+ (priv->ieee->perfect_rssi - priv->ieee->worst_rssi));
+ if (signal_quality > 100)
signal_quality = 100;
- else if (rssi < WORST_RSSI)
+ else if (signal_quality < 1)
signal_quality = 0;
- else /* qual = 100a^2 - 15ab + 62b^2 / a^2 */
- signal_quality =
- (100 *
- (PERFECT_RSSI - WORST_RSSI) *
- (PERFECT_RSSI - WORST_RSSI) -
- (PERFECT_RSSI - rssi) *
- (15 * (PERFECT_RSSI - WORST_RSSI) +
- 62 * (PERFECT_RSSI - rssi))) /
- ((PERFECT_RSSI - WORST_RSSI) * (PERFECT_RSSI - WORST_RSSI));
IPW_DEBUG_STATS("Signal level : %3d%% (%d dBm)\n",
signal_quality, rssi);
@@ -3705,6 +3767,14 @@ static void ipw_gather_stats(struct ipw_priv *priv)
IPW_STATS_INTERVAL);
}
+static void ipw_bg_gather_stats(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_gather_stats(data);
+ up(&priv->sem);
+}
+
static inline void ipw_handle_missed_beacon(struct ipw_priv *priv,
int missed_count)
{
@@ -4456,6 +4526,14 @@ static void ipw_rx_queue_replenish(void *data)
ipw_rx_queue_restock(priv);
}
+static void ipw_bg_rx_queue_replenish(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_rx_queue_replenish(data);
+ up(&priv->sem);
+}
+
/* Assumes that the skb field of the buffers in 'pool' is kept accurate.
* If an SKB has been detached, the POOL needs to have it's SKB set to NULL
* This free routine walks the list of POOL entries and if SKB is set to
@@ -4715,6 +4793,215 @@ struct ipw_network_match {
struct ipw_supported_rates rates;
};
+static int ipw_find_adhoc_network(struct ipw_priv *priv,
+ struct ipw_network_match *match,
+ struct ieee80211_network *network,
+ int roaming)
+{
+ struct ipw_supported_rates rates;
+
+ /* Verify that this network's capability is compatible with the
+ * current mode (AdHoc or Infrastructure) */
+ if ((priv->ieee->iw_mode == IW_MODE_ADHOC &&
+ !(network->capability & WLAN_CAPABILITY_IBSS))) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded due to "
+ "capability mismatch.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid));
+ return 0;
+ }
+
+ /* If we do not have an ESSID for this AP, we can not associate with
+ * it */
+ if (network->flags & NETWORK_EMPTY_ESSID) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of hidden ESSID.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid));
+ return 0;
+ }
+
+ if (unlikely(roaming)) {
+ /* If we are roaming, then ensure check if this is a valid
+ * network to try and roam to */
+ if ((network->ssid_len != match->network->ssid_len) ||
+ memcmp(network->ssid, match->network->ssid,
+ network->ssid_len)) {
+ IPW_DEBUG_MERGE("Netowrk '%s (" MAC_FMT ")' excluded "
+ "because of non-network ESSID.\n",
+ escape_essid(network->ssid,
+ network->ssid_len),
+ MAC_ARG(network->bssid));
+ return 0;
+ }
+ } else {
+ /* If an ESSID has been configured then compare the broadcast
+ * ESSID to ours */
+ if ((priv->config & CFG_STATIC_ESSID) &&
+ ((network->ssid_len != priv->essid_len) ||
+ memcmp(network->ssid, priv->essid,
+ min(network->ssid_len, priv->essid_len)))) {
+ char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
+ strncpy(escaped,
+ escape_essid(network->ssid, network->ssid_len),
+ sizeof(escaped));
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of ESSID mismatch: '%s'.\n",
+ escaped, MAC_ARG(network->bssid),
+ escape_essid(priv->essid,
+ priv->essid_len));
+ return 0;
+ }
+ }
+
+ /* If the old network rate is better than this one, don't bother
+ * testing everything else. */
+
+ if (network->time_stamp[0] < match->network->time_stamp[0]) {
+ IPW_DEBUG_MERGE
+ ("Network '%s excluded because newer than current network.\n",
+ escape_essid(match->network->ssid,
+ match->network->ssid_len));
+ return 0;
+ } else if (network->time_stamp[1] < match->network->time_stamp[1]) {
+ IPW_DEBUG_MERGE
+ ("Network '%s excluded because newer than current network.\n",
+ escape_essid(match->network->ssid,
+ match->network->ssid_len));
+ return 0;
+ }
+
+ /* Now go through and see if the requested network is valid... */
+ if (priv->ieee->scan_age != 0 &&
+ time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of age: %lums.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid),
+ (jiffies - network->last_scanned) / (HZ / 100));
+ return 0;
+ }
+
+ if ((priv->config & CFG_STATIC_CHANNEL) &&
+ (network->channel != priv->channel)) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of channel mismatch: %d != %d.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid),
+ network->channel, priv->channel);
+ return 0;
+ }
+
+ /* Verify privacy compatability */
+ if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) !=
+ ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of privacy mismatch: %s != %s.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid),
+ priv->capability & CAP_PRIVACY_ON ? "on" :
+ "off",
+ network->capability &
+ WLAN_CAPABILITY_PRIVACY ? "on" : "off");
+ return 0;
+ }
+
+ if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of the same BSSID match: " MAC_FMT
+ ".\n", escape_essid(network->ssid,
+ network->ssid_len),
+ MAC_ARG(network->bssid), MAC_ARG(priv->bssid));
+ return 0;
+ }
+
+ /* Filter out any incompatible freq / mode combinations */
+ if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of invalid frequency/mode "
+ "combination.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid));
+ return 0;
+ }
+
+ /* Ensure that the rates supported by the driver are compatible with
+ * this AP, including verification of basic rates (mandatory) */
+ if (!ipw_compatible_rates(priv, network, &rates)) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because configured rate mask excludes "
+ "AP mandatory rate.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid));
+ return 0;
+ }
+
+ if (rates.num_rates == 0) {
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+ "because of no compatible rates.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid));
+ return 0;
+ }
+
+ /* TODO: Perform any further minimal comparititive tests. We do not
+ * want to put too much policy logic here; intelligent scan selection
+ * should occur within a generic IEEE 802.11 user space tool. */
+
+ /* Set up 'new' AP to this network */
+ ipw_copy_rates(&match->rates, &rates);
+ match->network = network;
+ IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' is a viable match.\n",
+ escape_essid(network->ssid, network->ssid_len),
+ MAC_ARG(network->bssid));
+
+ return 1;
+}
+
+static void ipw_merge_adhoc_network(void *data)
+{
+ struct ipw_priv *priv = data;
+ struct ieee80211_network *network = NULL;
+ struct ipw_network_match match = {
+ .network = priv->assoc_network
+ };
+
+ if ((priv->status & STATUS_ASSOCIATED)
+ && (priv->ieee->iw_mode == IW_MODE_ADHOC)) {
+ /* First pass through ROAM process -- look for a better
+ * network */
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->ieee->lock, flags);
+ list_for_each_entry(network, &priv->ieee->network_list, list) {
+ if (network != priv->assoc_network)
+ ipw_find_adhoc_network(priv, &match, network,
+ 1);
+ }
+ spin_unlock_irqrestore(&priv->ieee->lock, flags);
+
+ if (match.network == priv->assoc_network) {
+ IPW_DEBUG_MERGE("No better ADHOC in this network to "
+ "merge to.\n");
+ return;
+ }
+
+ down(&priv->sem);
+ if ((priv->ieee->iw_mode == IW_MODE_ADHOC)) {
+ IPW_DEBUG_MERGE("remove network %s\n",
+ escape_essid(priv->essid,
+ priv->essid_len));
+ ipw_remove_current_network(priv);
+ }
+
+ ipw_disassociate(priv);
+ priv->assoc_network = match.network;
+ up(&priv->sem);
+ return;
+ }
+
+}
+
static int ipw_best_network(struct ipw_priv *priv,
struct ipw_network_match *match,
struct ieee80211_network *network, int roaming)
@@ -4997,6 +5284,14 @@ static void ipw_adhoc_check(void *data)
priv->assoc_request.beacon_interval);
}
+static void ipw_bg_adhoc_check(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_adhoc_check(data);
+ up(&priv->sem);
+}
+
#ifdef CONFIG_IPW_DEBUG
static void ipw_debug_config(struct ipw_priv *priv)
{
@@ -5181,10 +5476,9 @@ static int ipw_request_scan(struct ipw_priv *priv)
/* 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))) {
+ if ((priv->status & STATUS_ROAMING) || (!(priv->status & STATUS_ASSOCIATED) && (priv->config & CFG_STATIC_ESSID) && (le32_to_cpu(scan.full_scan_index) % 2))) { /* || (
+ (priv->status & STATUS_ASSOCIATED) &&
+ (priv->ieee->iw_mode == IW_MODE_ADHOC))) { */
err = ipw_send_ssid(priv, priv->essid, priv->essid_len);
if (err) {
IPW_DEBUG_HC
@@ -5257,6 +5551,22 @@ static int ipw_request_scan(struct ipw_priv *priv)
return 0;
}
+static void ipw_bg_request_scan(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_request_scan(data);
+ up(&priv->sem);
+}
+
+static void ipw_bg_abort_scan(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_abort_scan(data);
+ up(&priv->sem);
+}
+
/* Support for wpa_supplicant. Will be replaced with WEXT once
* they get WPA support. */
@@ -5473,8 +5783,7 @@ void ipw_wpa_assoc_frame(struct ipw_priv *priv, char *wpa_ie, int wpa_ie_len)
/* make sure WPA is enabled */
ipw_wpa_enable(priv, 1);
- if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))
- ipw_disassociate(priv);
+ ipw_disassociate(priv);
}
static int ipw_wpa_set_wpa_ie(struct net_device *dev,
@@ -5830,6 +6139,12 @@ static int ipw_associate_network(struct ipw_priv *priv,
priv->sys_config.dot11g_auto_detection = 1;
else
priv->sys_config.dot11g_auto_detection = 0;
+
+ if (priv->ieee->iw_mode == IW_MODE_ADHOC)
+ priv->sys_config.answer_broadcast_ssid_probe = 1;
+ else
+ priv->sys_config.answer_broadcast_ssid_probe = 0;
+
err = ipw_send_system_config(priv, &priv->sys_config);
if (err) {
IPW_DEBUG_HC("Attempt to send sys config command failed.\n");
@@ -5933,7 +6248,15 @@ static void ipw_roam(void *data)
priv->status &= ~STATUS_ROAMING;
}
-static void ipw_associate(void *data)
+static void ipw_bg_roam(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_roam(data);
+ up(&priv->sem);
+}
+
+static int ipw_associate(void *data)
{
struct ipw_priv *priv = data;
@@ -5945,11 +6268,23 @@ static void ipw_associate(void *data)
struct list_head *element;
unsigned long flags;
+ if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
+ IPW_DEBUG_ASSOC
+ ("Not attempting association (already in progress)\n");
+ return 0;
+ }
+
+ if (!ipw_is_init(priv) || (priv->status & STATUS_SCANNING)) {
+ IPW_DEBUG_ASSOC
+ ("Not attempting association (scanning or not initialized)\n");
+ return 0;
+ }
+
if (!(priv->config & CFG_ASSOCIATE) &&
!(priv->config & (CFG_STATIC_ESSID |
CFG_STATIC_CHANNEL | CFG_STATIC_BSSID))) {
IPW_DEBUG_ASSOC("Not attempting association (associate=0)\n");
- return;
+ return 0;
}
/* Protect our use of the network_list */
@@ -5984,10 +6319,20 @@ static void ipw_associate(void *data)
queue_delayed_work(priv->workqueue, &priv->request_scan,
SCAN_INTERVAL);
- return;
+ return 0;
}
ipw_associate_network(priv, network, rates, 0);
+
+ return 1;
+}
+
+static void ipw_bg_associate(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_associate(data);
+ up(&priv->sem);
}
static inline void ipw_handle_data_packet(struct ipw_priv *priv,
@@ -6037,6 +6382,10 @@ static inline int is_network_packet(struct ipw_priv *priv,
* this network, discarding packets coming from ourselves */
switch (priv->ieee->iw_mode) {
case IW_MODE_ADHOC: /* Header: Dest. | Source | BSSID */
+ /* packets from our adapter are dropped (echo) */
+ if (!memcmp(header->addr2, priv->net_dev->dev_addr, ETH_ALEN))
+ return 0;
+
/* {broad,multi}cast packets to our IBSS go through */
if (is_broadcast_ether_addr(header->addr1) ||
is_multicast_ether_addr(header->addr1))
@@ -6045,9 +6394,12 @@ static inline int is_network_packet(struct ipw_priv *priv,
/* packets to our adapter go through */
return !memcmp(header->addr1, priv->net_dev->dev_addr,
ETH_ALEN);
- break;
case IW_MODE_INFRA: /* Header: Dest. | AP{BSSID} | Source */
+ /* packets from our adapter are dropped (echo) */
+ if (!memcmp(header->addr3, priv->net_dev->dev_addr, ETH_ALEN))
+ return 0;
+
/* {broad,multi}cast packets to our IBSS go through */
if (is_broadcast_ether_addr(header->addr1) ||
is_multicast_ether_addr(header->addr1))
@@ -6056,7 +6408,6 @@ static inline int is_network_packet(struct ipw_priv *priv,
/* packets to our adapter go through */
return !memcmp(header->addr1, priv->net_dev->dev_addr,
ETH_ALEN);
- break;
}
return 1;
@@ -6101,9 +6452,13 @@ static void ipw_rx(struct ipw_priv *priv)
switch (pkt->header.message_type) {
case RX_FRAME_TYPE: /* 802.11 frame */ {
struct ieee80211_rx_stats stats = {
- .rssi = pkt->u.frame.rssi_dbm -
+ .rssi =
+ le16_to_cpu(pkt->u.frame.rssi_dbm) -
IPW_RSSI_TO_DBM,
- /* .signal = le16_to_cpu(pkt->u.frame.signal), */
+ .signal =
+ le16_to_cpu(pkt->u.frame.signal),
+ .noise =
+ le16_to_cpu(pkt->u.frame.noise),
.rate = pkt->u.frame.rate,
.mac_time = jiffies,
.received_channel =
@@ -6120,6 +6475,8 @@ static void ipw_rx(struct ipw_priv *priv)
stats.mask |= IEEE80211_STATMASK_RSSI;
if (stats.signal != 0)
stats.mask |= IEEE80211_STATMASK_SIGNAL;
+ if (stats.noise != 0)
+ stats.mask |= IEEE80211_STATMASK_NOISE;
if (stats.rate != 0)
stats.mask |= IEEE80211_STATMASK_RATE;
@@ -6179,11 +6536,34 @@ static void ipw_rx(struct ipw_priv *priv)
||
(WLAN_FC_GET_STYPE
(le16_to_cpu(header->frame_ctl))
- == IEEE80211_STYPE_BEACON))
- && !memcmp(header->addr3,
- priv->bssid, ETH_ALEN))
- ipw_add_station(priv,
- header->addr2);
+ == IEEE80211_STYPE_BEACON))) {
+ if (!memcmp
+ (header->addr3, priv->bssid,
+ ETH_ALEN))
+ ipw_add_station(priv,
+ header->
+ addr2);
+ else {
+ struct
+ ieee80211_probe_response
+ *beacon;
+ beacon =
+ (struct
+ ieee80211_probe_response
+ *)header;
+ if (le16_to_cpu
+ (beacon->
+ capability) &
+ WLAN_CAPABILITY_IBSS)
+ {
+ queue_work
+ (priv->
+ workqueue,
+ &priv->
+ merge_networks);
+ }
+ }
+ }
break;
case IEEE80211_FTYPE_CTL:
@@ -6262,14 +6642,16 @@ static int ipw_wx_get_name(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
- if (priv->status & STATUS_RF_KILL_MASK) {
+ down(&priv->sem);
+ if (priv->status & STATUS_RF_KILL_MASK)
strcpy(wrqu->name, "radio off");
- } else if (!(priv->status & STATUS_ASSOCIATED))
+ else if (!(priv->status & STATUS_ASSOCIATED))
strcpy(wrqu->name, "unassociated");
else
snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11%c",
ipw_modes[priv->assoc_request.ieee_mode]);
IPW_DEBUG_WX("Name: %s\n", wrqu->name);
+ up(&priv->sem);
return 0;
}
@@ -6278,13 +6660,9 @@ static int ipw_set_channel(struct ipw_priv *priv, u8 channel)
if (channel == 0) {
IPW_DEBUG_INFO("Setting channel to ANY (0)\n");
priv->config &= ~CFG_STATIC_CHANNEL;
- if (!(priv->status & (STATUS_SCANNING | STATUS_ASSOCIATED |
- STATUS_ASSOCIATING))) {
- IPW_DEBUG_ASSOC("Attempting to associate with new "
- "parameters.\n");
- ipw_associate(priv);
- }
-
+ IPW_DEBUG_ASSOC("Attempting to associate with new "
+ "parameters.\n");
+ ipw_associate(priv);
return 0;
}
@@ -6299,12 +6677,9 @@ static int ipw_set_channel(struct ipw_priv *priv, u8 channel)
IPW_DEBUG_INFO("Setting channel to %i\n", (int)channel);
priv->channel = channel;
- /* If we are currently associated, or trying to associate
- * then see if this is a new channel (causing us to disassociate) */
- if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
- IPW_DEBUG_ASSOC("Disassociating due to channel change.\n");
- ipw_disassociate(priv);
- } else if (!(priv->status & (STATUS_SCANNING)))
+ /* Network configuration changed -- force [re]association */
+ IPW_DEBUG_ASSOC("[re]association triggered due to channel change.\n");
+ if (!ipw_disassociate(priv))
ipw_associate(priv);
return 0;
@@ -6316,6 +6691,7 @@ static int ipw_wx_set_freq(struct net_device *dev,
{
struct ipw_priv *priv = ieee80211_priv(dev);
struct iw_freq *fwrq = &wrqu->freq;
+ int ret = 0;
/* if setting by freq convert to channel */
if (fwrq->e == 1) {
@@ -6337,7 +6713,10 @@ static int ipw_wx_set_freq(struct net_device *dev,
return -EOPNOTSUPP;
IPW_DEBUG_WX("SET Freq/Channel -> %d \n", fwrq->m);
- return ipw_set_channel(priv, (u8) fwrq->m);
+ down(&priv->sem);
+ ret = ipw_set_channel(priv, (u8) fwrq->m);
+ up(&priv->sem);
+ return ret;
}
static int ipw_wx_get_freq(struct net_device *dev,
@@ -6350,12 +6729,14 @@ static int ipw_wx_get_freq(struct net_device *dev,
/* If we are associated, trying to associate, or have a statically
* configured CHANNEL then return that; otherwise return ANY */
+ down(&priv->sem);
if (priv->config & CFG_STATIC_CHANNEL ||
priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED))
wrqu->freq.m = priv->channel;
else
wrqu->freq.m = 0;
+ up(&priv->sem);
IPW_DEBUG_WX("GET Freq/Channel -> %d \n", priv->channel);
return 0;
}
@@ -6368,9 +6749,11 @@ static int ipw_wx_set_mode(struct net_device *dev,
int err = 0;
IPW_DEBUG_WX("Set MODE: %d\n", wrqu->mode);
-
- if (wrqu->mode == priv->ieee->iw_mode)
+ down(&priv->sem);
+ if (wrqu->mode == priv->ieee->iw_mode) {
+ up(&priv->sem);
return 0;
+ }
switch (wrqu->mode) {
#ifdef CONFIG_IPW_MONITOR
@@ -6383,6 +6766,7 @@ static int ipw_wx_set_mode(struct net_device *dev,
wrqu->mode = IW_MODE_INFRA;
break;
default:
+ up(&priv->sem);
return -EINVAL;
}
@@ -6407,8 +6791,9 @@ static int ipw_wx_set_mode(struct net_device *dev,
#endif
priv->ieee->iw_mode = wrqu->mode;
- queue_work(priv->workqueue, &priv->adapter_restart);
+ queue_work(priv->workqueue, &priv->adapter_restart);
+ up(&priv->sem);
return err;
}
@@ -6417,10 +6802,10 @@ static int ipw_wx_get_mode(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
wrqu->mode = priv->ieee->iw_mode;
IPW_DEBUG_WX("Get MODE -> %d\n", wrqu->mode);
-
+ up(&priv->sem);
return 0;
}
@@ -6466,7 +6851,7 @@ static int ipw_wx_get_range(struct net_device *dev,
range->max_qual.qual = 100;
/* TODO: Find real max RSSI and stick here */
range->max_qual.level = 0;
- range->max_qual.noise = 0;
+ range->max_qual.noise = priv->ieee->worst_rssi + 0x100;
range->max_qual.updated = 7; /* Updated all three */
range->avg_qual.qual = 70;
@@ -6474,7 +6859,7 @@ static int ipw_wx_get_range(struct net_device *dev,
range->avg_qual.level = 0; /* FIXME to real average level */
range->avg_qual.noise = 0;
range->avg_qual.updated = 7; /* Updated all three */
-
+ down(&priv->sem);
range->num_bitrates = min(priv->rates.num_rates, (u8) IW_MAX_BITRATES);
for (i = 0; i < range->num_bitrates; i++)
@@ -6507,7 +6892,7 @@ static int ipw_wx_get_range(struct net_device *dev,
break;
}
range->num_frequency = val;
-
+ up(&priv->sem);
IPW_DEBUG_WX("GET Range\n");
return 0;
}
@@ -6527,25 +6912,23 @@ static int ipw_wx_set_wap(struct net_device *dev,
if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
return -EINVAL;
-
+ down(&priv->sem);
if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) ||
!memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) {
/* we disable mandatory BSSID association */
IPW_DEBUG_WX("Setting AP BSSID to ANY\n");
priv->config &= ~CFG_STATIC_BSSID;
- if (!(priv->status & (STATUS_SCANNING | STATUS_ASSOCIATED |
- STATUS_ASSOCIATING))) {
- IPW_DEBUG_ASSOC("Attempting to associate with new "
- "parameters.\n");
- ipw_associate(priv);
- }
-
+ IPW_DEBUG_ASSOC("Attempting to associate with new "
+ "parameters.\n");
+ ipw_associate(priv);
+ up(&priv->sem);
return 0;
}
priv->config |= CFG_STATIC_BSSID;
if (!memcmp(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN)) {
IPW_DEBUG_WX("BSSID set to current BSSID.\n");
+ up(&priv->sem);
return 0;
}
@@ -6554,14 +6937,12 @@ static int ipw_wx_set_wap(struct net_device *dev,
memcpy(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN);
- /* If we are currently associated, or trying to associate
- * then see if this is a new BSSID (causing us to disassociate) */
- if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
- IPW_DEBUG_ASSOC("Disassociating due to BSSID change.\n");
- ipw_disassociate(priv);
- } else if (!(priv->status & (STATUS_SCANNING)))
+ /* Network configuration changed -- force [re]association */
+ IPW_DEBUG_ASSOC("[re]association triggered due to BSSID change.\n");
+ if (!ipw_disassociate(priv))
ipw_associate(priv);
+ up(&priv->sem);
return 0;
}
@@ -6572,6 +6953,7 @@ static int ipw_wx_get_wap(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
/* If we are associated, trying to associate, or have a statically
* configured BSSID then return that; otherwise return ANY */
+ down(&priv->sem);
if (priv->config & CFG_STATIC_BSSID ||
priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
@@ -6581,6 +6963,7 @@ static int ipw_wx_get_wap(struct net_device *dev,
IPW_DEBUG_WX("Getting WAP BSSID: " MAC_FMT "\n",
MAC_ARG(wrqu->ap_addr.sa_data));
+ up(&priv->sem);
return 0;
}
@@ -6591,7 +6974,7 @@ static int ipw_wx_set_essid(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
char *essid = ""; /* ANY */
int length = 0;
-
+ down(&priv->sem);
if (wrqu->essid.flags && wrqu->essid.length) {
length = wrqu->essid.length - 1;
essid = extra;
@@ -6599,13 +6982,12 @@ static int ipw_wx_set_essid(struct net_device *dev,
if (length == 0) {
IPW_DEBUG_WX("Setting ESSID to ANY\n");
priv->config &= ~CFG_STATIC_ESSID;
- if (!(priv->status & (STATUS_SCANNING | STATUS_ASSOCIATED |
- STATUS_ASSOCIATING))) {
+ if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))) {
IPW_DEBUG_ASSOC("Attempting to associate with new "
"parameters.\n");
ipw_associate(priv);
}
-
+ up(&priv->sem);
return 0;
}
@@ -6615,6 +6997,7 @@ static int ipw_wx_set_essid(struct net_device *dev,
if (priv->essid_len == length && !memcmp(priv->essid, extra, length)) {
IPW_DEBUG_WX("ESSID set to current ESSID.\n");
+ up(&priv->sem);
return 0;
}
@@ -6624,14 +7007,12 @@ static int ipw_wx_set_essid(struct net_device *dev,
priv->essid_len = length;
memcpy(priv->essid, essid, priv->essid_len);
- /* If we are currently associated, or trying to associate
- * then see if this is a new ESSID (causing us to disassociate) */
- if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
- IPW_DEBUG_ASSOC("Disassociating due to ESSID change.\n");
- ipw_disassociate(priv);
- } else if (!(priv->status & (STATUS_SCANNING)))
+ /* Network configuration changed -- force [re]association */
+ IPW_DEBUG_ASSOC("[re]association triggered due to ESSID change.\n");
+ if (!ipw_disassociate(priv))
ipw_associate(priv);
+ up(&priv->sem);
return 0;
}
@@ -6643,6 +7024,7 @@ static int ipw_wx_get_essid(struct net_device *dev,
/* If we are associated, trying to associate, or have a statically
* configured ESSID then return that; otherwise return ANY */
+ down(&priv->sem);
if (priv->config & CFG_STATIC_ESSID ||
priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
IPW_DEBUG_WX("Getting essid: '%s'\n",
@@ -6655,7 +7037,7 @@ static int ipw_wx_get_essid(struct net_device *dev,
wrqu->essid.length = 0;
wrqu->essid.flags = 0; /* active */
}
-
+ up(&priv->sem);
return 0;
}
@@ -6668,11 +7050,12 @@ static int ipw_wx_set_nick(struct net_device *dev,
IPW_DEBUG_WX("Setting nick to '%s'\n", extra);
if (wrqu->data.length > IW_ESSID_MAX_SIZE)
return -E2BIG;
-
+ down(&priv->sem);
wrqu->data.length = min((size_t) wrqu->data.length, sizeof(priv->nick));
memset(priv->nick, 0, sizeof(priv->nick));
memcpy(priv->nick, extra, wrqu->data.length);
IPW_DEBUG_TRACE("<<\n");
+ up(&priv->sem);
return 0;
}
@@ -6683,9 +7066,11 @@ static int ipw_wx_get_nick(struct net_device *dev,
{
struct ipw_priv *priv = ieee80211_priv(dev);
IPW_DEBUG_WX("Getting nick\n");
+ down(&priv->sem);
wrqu->data.length = strlen(priv->nick) + 1;
memcpy(extra, priv->nick, wrqu->data.length);
wrqu->data.flags = 1; /* active */
+ up(&priv->sem);
return 0;
}
@@ -6778,25 +7163,26 @@ static int ipw_wx_set_rate(struct net_device *dev,
apply:
IPW_DEBUG_WX("Setting rate mask to 0x%08X [%s]\n",
mask, fixed ? "fixed" : "sub-rates");
-
+ down(&priv->sem);
if (mask == IEEE80211_DEFAULT_RATES_MASK)
priv->config &= ~CFG_FIXED_RATE;
else
priv->config |= CFG_FIXED_RATE;
- if (priv->rates_mask != mask) {
- priv->rates_mask = mask;
- /* If we are already associated or are currently trying to
- * associate, disassociate and try again */
- if ((priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))) {
- IPW_DEBUG_ASSOC("Disassociating due to RATE change.\n");
- ipw_disassociate(priv);
- } else if (!(priv->status & (STATUS_SCANNING))) {
- /* We are not yet associated, so kick one off... */
- ipw_associate(priv);
- }
+ if (priv->rates_mask == mask) {
+ IPW_DEBUG_WX("Mask set to current mask.\n");
+ up(&priv->sem);
+ return 0;
}
+ priv->rates_mask = mask;
+
+ /* Network configuration changed -- force [re]association */
+ IPW_DEBUG_ASSOC("[re]association triggered due to rates change.\n");
+ if (!ipw_disassociate(priv))
+ ipw_associate(priv);
+
+ up(&priv->sem);
return 0;
}
@@ -6805,8 +7191,9 @@ static int ipw_wx_get_rate(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
+ down(&priv->sem);
wrqu->bitrate.value = priv->last_rate;
-
+ up(&priv->sem);
IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value);
return 0;
}
@@ -6816,18 +7203,20 @@ static int ipw_wx_set_rts(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
if (wrqu->rts.disabled)
priv->rts_threshold = DEFAULT_RTS_THRESHOLD;
else {
if (wrqu->rts.value < MIN_RTS_THRESHOLD ||
- wrqu->rts.value > MAX_RTS_THRESHOLD)
+ wrqu->rts.value > MAX_RTS_THRESHOLD) {
+ up(&priv->sem);
return -EINVAL;
-
+ }
priv->rts_threshold = wrqu->rts.value;
}
ipw_send_rts_threshold(priv, priv->rts_threshold);
+ up(&priv->sem);
IPW_DEBUG_WX("SET RTS Threshold -> %d \n", priv->rts_threshold);
return 0;
}
@@ -6837,10 +7226,11 @@ static int ipw_wx_get_rts(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
+ down(&priv->sem);
wrqu->rts.value = priv->rts_threshold;
wrqu->rts.fixed = 0; /* no auto select */
wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD);
-
+ up(&priv->sem);
IPW_DEBUG_WX("GET RTS Threshold -> %d \n", wrqu->rts.value);
return 0;
}
@@ -6852,15 +7242,21 @@ static int ipw_wx_set_txpow(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
struct ipw_tx_power tx_power;
int i;
-
- if (ipw_radio_kill_sw(priv, wrqu->power.disabled))
+ down(&priv->sem);
+ if (ipw_radio_kill_sw(priv, wrqu->power.disabled)) {
+ up(&priv->sem);
return -EINPROGRESS;
+ }
- if (wrqu->power.flags != IW_TXPOW_DBM)
+ if (wrqu->power.flags != IW_TXPOW_DBM) {
+ up(&priv->sem);
return -EINVAL;
+ }
- if ((wrqu->power.value > 20) || (wrqu->power.value < -12))
+ if ((wrqu->power.value > 20) || (wrqu->power.value < -12)) {
+ up(&priv->sem);
return -EINVAL;
+ }
priv->tx_power = wrqu->power.value;
@@ -6881,9 +7277,11 @@ static int ipw_wx_set_txpow(struct net_device *dev,
if (ipw_send_tx_power(priv, &tx_power))
goto error;
+ up(&priv->sem);
return 0;
error:
+ up(&priv->sem);
return -EIO;
}
@@ -6892,11 +7290,12 @@ static int ipw_wx_get_txpow(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
wrqu->power.value = priv->tx_power;
wrqu->power.fixed = 1;
wrqu->power.flags = IW_TXPOW_DBM;
wrqu->power.disabled = (priv->status & STATUS_RF_KILL_MASK) ? 1 : 0;
+ up(&priv->sem);
IPW_DEBUG_WX("GET TX Power -> %s %d \n",
wrqu->power.disabled ? "ON" : "OFF", wrqu->power.value);
@@ -6909,7 +7308,7 @@ static int ipw_wx_set_frag(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
if (wrqu->frag.disabled)
priv->ieee->fts = DEFAULT_FTS;
else {
@@ -6921,6 +7320,7 @@ static int ipw_wx_set_frag(struct net_device *dev,
}
ipw_send_frag_threshold(priv, wrqu->frag.value);
+ up(&priv->sem);
IPW_DEBUG_WX("SET Frag Threshold -> %d \n", wrqu->frag.value);
return 0;
}
@@ -6930,10 +7330,11 @@ static int ipw_wx_get_frag(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
+ down(&priv->sem);
wrqu->frag.value = priv->ieee->fts;
wrqu->frag.fixed = 0; /* no auto select */
wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FTS);
-
+ up(&priv->sem);
IPW_DEBUG_WX("GET Frag Threshold -> %d \n", wrqu->frag.value);
return 0;
@@ -6961,8 +7362,12 @@ static int ipw_wx_set_scan(struct net_device *dev,
{
struct ipw_priv *priv = ieee80211_priv(dev);
IPW_DEBUG_WX("Start scan\n");
- if (ipw_request_scan(priv))
+ down(&priv->sem);
+ if (ipw_request_scan(priv)) {
+ up(&priv->sem);
return -EIO;
+ }
+ up(&priv->sem);
return 0;
}
@@ -6996,16 +7401,17 @@ static int ipw_wx_set_power(struct net_device *dev,
{
struct ipw_priv *priv = ieee80211_priv(dev);
int err;
-
+ down(&priv->sem);
if (wrqu->power.disabled) {
priv->power_mode = IPW_POWER_LEVEL(priv->power_mode);
err = ipw_send_power_mode(priv, IPW_POWER_MODE_CAM);
if (err) {
IPW_DEBUG_WX("failed setting power mode.\n");
+ up(&priv->sem);
return err;
}
IPW_DEBUG_WX("SET Power Management Mode -> off\n");
-
+ up(&priv->sem);
return 0;
}
@@ -7017,6 +7423,7 @@ static int ipw_wx_set_power(struct net_device *dev,
default: /* Otherwise we don't support it */
IPW_DEBUG_WX("SET PM Mode: %X not supported.\n",
wrqu->power.flags);
+ up(&priv->sem);
return -EOPNOTSUPP;
}
@@ -7029,11 +7436,12 @@ static int ipw_wx_set_power(struct net_device *dev,
err = ipw_send_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode));
if (err) {
IPW_DEBUG_WX("failed setting power mode.\n");
+ up(&priv->sem);
return err;
}
IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n", priv->power_mode);
-
+ up(&priv->sem);
return 0;
}
@@ -7042,12 +7450,13 @@ static int ipw_wx_get_power(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
if (!(priv->power_mode & IPW_POWER_ENABLED))
wrqu->power.disabled = 1;
else
wrqu->power.disabled = 0;
+ up(&priv->sem);
IPW_DEBUG_WX("GET Power Management Mode -> %02X\n", priv->power_mode);
return 0;
@@ -7060,7 +7469,7 @@ static int ipw_wx_set_powermode(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
int mode = *(int *)extra;
int err;
-
+ down(&priv->sem);
if ((mode < 1) || (mode > IPW_POWER_LIMIT)) {
mode = IPW_POWER_AC;
priv->power_mode = mode;
@@ -7073,10 +7482,11 @@ static int ipw_wx_set_powermode(struct net_device *dev,
if (err) {
IPW_DEBUG_WX("failed setting power mode.\n");
+ up(&priv->sem);
return err;
}
}
-
+ up(&priv->sem);
return 0;
}
@@ -7125,7 +7535,7 @@ static int ipw_wx_set_wireless_mode(struct net_device *dev,
IPW_WARNING("Attempt to set invalid wireless mode: %d\n", mode);
return -EINVAL;
}
-
+ down(&priv->sem);
if (priv->adapter == IPW_2915ABG) {
priv->ieee->abg_true = 1;
if (mode & IEEE_A) {
@@ -7137,6 +7547,7 @@ static int ipw_wx_set_wireless_mode(struct net_device *dev,
if (mode & IEEE_A) {
IPW_WARNING("Attempt to set 2200BG into "
"802.11a mode\n");
+ up(&priv->sem);
return -EINVAL;
}
@@ -7160,16 +7571,12 @@ static int ipw_wx_set_wireless_mode(struct net_device *dev,
priv->ieee->modulation = modulation;
init_supported_rates(priv, &priv->rates);
- /* If we are currently associated, or trying to associate
- * then see if this is a new configuration (causing us to
- * disassociate) */
- if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
- /* The resulting association will trigger
- * the new rates to be sent to the device */
- IPW_DEBUG_ASSOC("Disassociating due to mode change.\n");
- ipw_disassociate(priv);
- } else
+ /* Network configuration changed -- force [re]association */
+ IPW_DEBUG_ASSOC("[re]association triggered due to mode change.\n");
+ if (!ipw_disassociate(priv)) {
ipw_send_supported_rates(priv, &priv->rates);
+ ipw_associate(priv);
+ }
/* Update the band LEDs */
ipw_led_band_on(priv);
@@ -7177,6 +7584,7 @@ static int ipw_wx_set_wireless_mode(struct net_device *dev,
IPW_DEBUG_WX("PRIV SET MODE: %c%c%c\n",
mode & IEEE_A ? 'a' : '.',
mode & IEEE_B ? 'b' : '.', mode & IEEE_G ? 'g' : '.');
+ up(&priv->sem);
return 0;
}
@@ -7185,7 +7593,7 @@ static int ipw_wx_get_wireless_mode(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
switch (priv->ieee->mode) {
case IEEE_A:
strncpy(extra, "802.11a (1)", MAX_WX_STRING);
@@ -7216,6 +7624,7 @@ static int ipw_wx_get_wireless_mode(struct net_device *dev,
IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra);
wrqu->data.length = strlen(extra) + 1;
+ up(&priv->sem);
return 0;
}
@@ -7226,18 +7635,17 @@ static int ipw_wx_set_preamble(struct net_device *dev,
{
struct ipw_priv *priv = ieee80211_priv(dev);
int mode = *(int *)extra;
-
+ down(&priv->sem);
/* Switching from SHORT -> LONG requires a disassociation */
if (mode == 1) {
if (!(priv->config & CFG_PREAMBLE_LONG)) {
priv->config |= CFG_PREAMBLE_LONG;
- if (priv->status &
- (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
- IPW_DEBUG_ASSOC
- ("Disassociating due to preamble "
- "change.\n");
- ipw_disassociate(priv);
- }
+
+ /* Network configuration changed -- force [re]association */
+ IPW_DEBUG_ASSOC
+ ("[re]association triggered due to preamble change.\n");
+ if (!ipw_disassociate(priv))
+ ipw_associate(priv);
}
goto done;
}
@@ -7246,10 +7654,11 @@ static int ipw_wx_set_preamble(struct net_device *dev,
priv->config &= ~CFG_PREAMBLE_LONG;
goto done;
}
-
+ up(&priv->sem);
return -EINVAL;
done:
+ up(&priv->sem);
return 0;
}
@@ -7258,12 +7667,12 @@ static int ipw_wx_get_preamble(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
if (priv->config & CFG_PREAMBLE_LONG)
snprintf(wrqu->name, IFNAMSIZ, "long (1)");
else
snprintf(wrqu->name, IFNAMSIZ, "auto (0)");
-
+ up(&priv->sem);
return 0;
}
@@ -7275,7 +7684,7 @@ static int ipw_wx_set_monitor(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
int *parms = (int *)extra;
int enable = (parms[0] > 0);
-
+ down(&priv->sem);
IPW_DEBUG_WX("SET MONITOR: %d %d\n", enable, parms[1]);
if (enable) {
if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
@@ -7285,11 +7694,14 @@ static int ipw_wx_set_monitor(struct net_device *dev,
ipw_set_channel(priv, parms[1]);
} else {
- if (priv->ieee->iw_mode != IW_MODE_MONITOR)
+ if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
+ up(&priv->sem);
return 0;
+ }
priv->net_dev->type = ARPHRD_ETHER;
queue_work(priv->workqueue, &priv->adapter_restart);
}
+ up(&priv->sem);
return 0;
}
@@ -7473,7 +7885,7 @@ static inline void init_sys_config(struct ipw_sys_config *sys_config)
sys_config->dot11g_auto_detection = 0;
sys_config->enable_cts_to_self = 0;
sys_config->bt_coexist_collision_thr = 0;
- sys_config->pass_noise_stats_to_host = 0; //1 -- fix for 256
+ sys_config->pass_noise_stats_to_host = 1; //1 -- fix for 256
}
static int ipw_net_open(struct net_device *dev)
@@ -7481,9 +7893,11 @@ 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 */
+ down(&priv->sem);
if (!(priv->status & STATUS_RF_KILL_MASK) &&
(priv->status & STATUS_ASSOCIATED))
netif_start_queue(dev);
+ up(&priv->sem);
return 0;
}
@@ -7511,6 +7925,7 @@ static inline void ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb)
struct clx2_queue *q = &txq->q;
u8 id, hdr_len, unicast;
u16 remaining_bytes;
+ int fc;
switch (priv->ieee->iw_mode) {
case IW_MODE_ADHOC:
@@ -7562,6 +7977,9 @@ static inline void ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb)
if (priv->assoc_request.preamble_length == DCT_FLAG_SHORT_PREAMBLE)
tfd->u.data.tx_flags |= DCT_FLAG_SHORT_PREAMBLE;
+ fc = le16_to_cpu(hdr->frame_ctl);
+ hdr->frame_ctl = cpu_to_le16(fc & ~IEEE80211_FCTL_MOREFRAGS);
+
memcpy(&tfd->u.data.tfd.tfd_24.mchdr, hdr, hdr_len);
/* payload */
@@ -7644,7 +8062,6 @@ static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb,
unsigned long flags;
IPW_DEBUG_TX("dev->xmit(%d bytes)\n", txb->payload_size);
-
spin_lock_irqsave(&priv->lock, flags);
if (!(priv->status & STATUS_ASSOCIATED)) {
@@ -7655,13 +8072,15 @@ static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb,
}
ipw_tx_skb(priv, txb);
+ spin_unlock_irqrestore(&priv->lock, flags);
ipw_led_activity_on(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
+// up(&priv->sem);
return 0;
fail_unlock:
spin_unlock_irqrestore(&priv->lock, flags);
+// up(&priv->sem);
return 1;
}
@@ -7685,11 +8104,13 @@ static int ipw_net_set_mac_address(struct net_device *dev, void *p)
struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ down(&priv->sem);
priv->config |= CFG_CUSTOM_MAC;
memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
printk(KERN_INFO "%s: Setting MAC to " MAC_FMT "\n",
priv->net_dev->name, MAC_ARG(priv->mac_addr));
queue_work(priv->workqueue, &priv->adapter_restart);
+ up(&priv->sem);
return 0;
}
@@ -7733,8 +8154,9 @@ static int ipw_ethtool_get_eeprom(struct net_device *dev,
if (eeprom->offset + eeprom->len > CX2_EEPROM_IMAGE_SIZE)
return -EINVAL;
-
+ down(&p->sem);
memcpy(bytes, &((u8 *) p->eeprom)[eeprom->offset], eeprom->len);
+ up(&p->sem);
return 0;
}
@@ -7746,12 +8168,12 @@ static int ipw_ethtool_set_eeprom(struct net_device *dev,
if (eeprom->offset + eeprom->len > CX2_EEPROM_IMAGE_SIZE)
return -EINVAL;
-
+ down(&p->sem);
memcpy(&((u8 *) p->eeprom)[eeprom->offset], bytes, eeprom->len);
for (i = IPW_EEPROM_DATA;
i < IPW_EEPROM_DATA + CX2_EEPROM_IMAGE_SIZE; i++)
ipw_write8(p, i, p->eeprom[i]);
-
+ up(&p->sem);
return 0;
}
@@ -7775,6 +8197,8 @@ static irqreturn_t ipw_isr(int irq, void *data, struct pt_regs *regs)
if (!(priv->status & STATUS_INT_ENABLED)) {
/* Shared IRQ */
+// ipw_write32(priv, CX2_INTA_RW, CX2_INTA_MASK_ALL);
+// return IRQ_HANDLED;
goto none;
}
@@ -7843,6 +8267,14 @@ static void ipw_rf_kill(void *adapter)
spin_unlock_irqrestore(&priv->lock, flags);
}
+static void ipw_bg_rf_kill(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_rf_kill(data);
+ up(&priv->sem);
+}
+
void ipw_link_up(struct ipw_priv *priv)
{
netif_carrier_on(priv->net_dev);
@@ -7854,6 +8286,7 @@ void ipw_link_up(struct ipw_priv *priv)
netif_start_queue(priv->net_dev);
}
+ cancel_delayed_work(&priv->request_scan);
ipw_reset_stats(priv);
/* Ensure the rate is updated immediately */
priv->last_rate = ipw_get_current_rate(priv);
@@ -7865,6 +8298,14 @@ void ipw_link_up(struct ipw_priv *priv)
queue_delayed_work(priv->workqueue, &priv->request_scan, HZ);
}
+static void ipw_bg_link_up(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_link_up(data);
+ up(&priv->sem);
+}
+
void ipw_link_down(struct ipw_priv *priv)
{
ipw_led_link_down(priv);
@@ -7883,6 +8324,14 @@ void ipw_link_down(struct ipw_priv *priv)
queue_work(priv->workqueue, &priv->request_scan);
}
+static void ipw_bg_link_down(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_link_down(data);
+ up(&priv->sem);
+}
+
static int ipw_setup_deferred_work(struct ipw_priv *priv)
{
int ret = 0;
@@ -7890,28 +8339,31 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv)
priv->workqueue = create_workqueue(DRV_NAME);
init_waitqueue_head(&priv->wait_command_queue);
- INIT_WORK(&priv->adhoc_check, ipw_adhoc_check, priv);
- INIT_WORK(&priv->associate, ipw_associate, priv);
- INIT_WORK(&priv->disassociate, ipw_disassociate, priv);
- INIT_WORK(&priv->rx_replenish, ipw_rx_queue_replenish, priv);
- INIT_WORK(&priv->adapter_restart, ipw_adapter_restart, priv);
- INIT_WORK(&priv->rf_kill, ipw_rf_kill, priv);
- INIT_WORK(&priv->up, (void (*)(void *))ipw_up, priv);
- INIT_WORK(&priv->down, (void (*)(void *))ipw_down, priv);
+ INIT_WORK(&priv->adhoc_check, ipw_bg_adhoc_check, priv);
+ INIT_WORK(&priv->associate, ipw_bg_associate, priv);
+ INIT_WORK(&priv->disassociate, ipw_bg_disassociate, priv);
+ INIT_WORK(&priv->rx_replenish, ipw_bg_rx_queue_replenish, priv);
+ INIT_WORK(&priv->adapter_restart, ipw_bg_adapter_restart, priv);
+ INIT_WORK(&priv->rf_kill, ipw_bg_rf_kill, priv);
+ INIT_WORK(&priv->up, (void (*)(void *))ipw_bg_up, priv);
+ INIT_WORK(&priv->down, (void (*)(void *))ipw_bg_down, priv);
INIT_WORK(&priv->request_scan,
- (void (*)(void *))ipw_request_scan, priv);
+ (void (*)(void *))ipw_bg_request_scan, priv);
INIT_WORK(&priv->gather_stats,
- (void (*)(void *))ipw_gather_stats, priv);
- INIT_WORK(&priv->abort_scan, (void (*)(void *))ipw_abort_scan, priv);
- INIT_WORK(&priv->roam, ipw_roam, priv);
- INIT_WORK(&priv->scan_check, ipw_scan_check, priv);
- INIT_WORK(&priv->link_up, (void (*)(void *))ipw_link_up, priv);
- INIT_WORK(&priv->link_down, (void (*)(void *))ipw_link_down, priv);
- INIT_WORK(&priv->led_link_on, (void (*)(void *))ipw_led_link_on, priv);
- INIT_WORK(&priv->led_link_off, (void (*)(void *))ipw_led_link_off,
+ (void (*)(void *))ipw_bg_gather_stats, priv);
+ INIT_WORK(&priv->abort_scan, (void (*)(void *))ipw_bg_abort_scan, priv);
+ INIT_WORK(&priv->roam, ipw_bg_roam, priv);
+ INIT_WORK(&priv->scan_check, ipw_bg_scan_check, priv);
+ INIT_WORK(&priv->link_up, (void (*)(void *))ipw_bg_link_up, priv);
+ INIT_WORK(&priv->link_down, (void (*)(void *))ipw_bg_link_down, priv);
+ INIT_WORK(&priv->led_link_on, (void (*)(void *))ipw_bg_led_link_on,
+ priv);
+ INIT_WORK(&priv->led_link_off, (void (*)(void *))ipw_bg_led_link_off,
priv);
- INIT_WORK(&priv->led_act_off, (void (*)(void *))ipw_led_activity_off,
+ INIT_WORK(&priv->led_act_off, (void (*)(void *))ipw_bg_led_activity_off,
priv);
+ INIT_WORK(&priv->merge_networks,
+ (void (*)(void *))ipw_merge_adhoc_network, priv);
tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
ipw_irq_tasklet, (unsigned long)priv);
@@ -7924,7 +8376,7 @@ static void shim__set_security(struct net_device *dev,
{
struct ipw_priv *priv = ieee80211_priv(dev);
int i;
-
+ down(&priv->sem);
for (i = 0; i < 4; i++) {
if (sec->flags & (1 << i)) {
priv->sec.key_sizes[i] = sec->key_sizes[i];
@@ -7989,6 +8441,7 @@ static void shim__set_security(struct net_device *dev,
ipw_disassociate(priv);
}
#endif
+ up(&priv->sem);
}
static int init_supported_rates(struct ipw_priv *priv,
@@ -8054,6 +8507,11 @@ static int ipw_config(struct ipw_priv *priv)
/* set basic system config settings */
init_sys_config(&priv->sys_config);
+ if (priv->ieee->iw_mode == IW_MODE_ADHOC)
+ priv->sys_config.answer_broadcast_ssid_probe = 1;
+ else
+ priv->sys_config.answer_broadcast_ssid_probe = 0;
+
if (ipw_send_system_config(priv, &priv->sys_config))
goto error;
@@ -8075,8 +8533,10 @@ static int ipw_config(struct ipw_priv *priv)
goto error;
/* If configured to try and auto-associate, kick off a scan */
- if ((priv->config & CFG_ASSOCIATE) && ipw_request_scan(priv))
+ if ((priv->config & CFG_ASSOCIATE) && ipw_request_scan(priv)) {
+ IPW_WARNING("error sending scan request\n");
goto error;
+ }
return 0;
@@ -8106,8 +8566,9 @@ static int ipw_up(struct ipw_priv *priv)
eeprom_parse_mac(priv, priv->mac_addr);
memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
- if (priv->status & STATUS_RF_KILL_MASK)
+ if (priv->status & STATUS_RF_KILL_MASK) {
return 0;
+ }
rc = ipw_config(priv);
if (!rc) {
@@ -8115,12 +8576,11 @@ static int ipw_up(struct ipw_priv *priv)
ipw_led_init(priv);
ipw_led_radio_on(priv);
priv->notif_missed_beacons = 0;
+ priv->status |= STATUS_INIT;
return 0;
- } else {
- IPW_DEBUG_INFO("Device configuration failed: 0x%08X\n",
- rc);
}
+ IPW_DEBUG_INFO("Device configuration failed: 0x%08X\n", rc);
IPW_DEBUG_INFO("Failed to config device on retry %d of %d\n",
i, MAX_HW_RESTARTS);
@@ -8132,13 +8592,22 @@ static int ipw_up(struct ipw_priv *priv)
/* tried to restart and config the device for as long as our
* patience could withstand */
IPW_ERROR("Unable to initialize device after %d attempts.\n", i);
+
return -EIO;
}
+static void ipw_bg_up(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_up(data);
+ up(&priv->sem);
+}
+
static void ipw_down(struct ipw_priv *priv)
{
- /* Attempt to disable the card */
#if 0
+ /* Attempt to disable the card */
ipw_send_card_disable(priv, 0);
#endif
@@ -8147,7 +8616,6 @@ static void ipw_down(struct ipw_priv *priv)
/* Clear all bits but the RF Kill */
priv->status &= STATUS_RF_KILL_MASK;
-
netif_carrier_off(priv->net_dev);
netif_stop_queue(priv->net_dev);
@@ -8156,6 +8624,14 @@ static void ipw_down(struct ipw_priv *priv)
ipw_led_radio_off(priv);
}
+static void ipw_bg_down(void *data)
+{
+ struct ipw_priv *priv = data;
+ down(&priv->sem);
+ ipw_down(data);
+ up(&priv->sem);
+}
+
static int ipw_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct iwreq *wrq = (struct iwreq *)rq;
@@ -8176,21 +8652,26 @@ static int ipw_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
static int ipw_net_init(struct net_device *dev)
{
struct ipw_priv *priv = ieee80211_priv(dev);
-
+ down(&priv->sem);
if (priv->status & STATUS_RF_KILL_SW) {
IPW_WARNING("Radio disabled by module parameter.\n");
+ up(&priv->sem);
return 0;
} else if (rf_kill_active(priv)) {
IPW_WARNING("Radio Frequency Kill Switch is On:\n"
"Kill switch must be turned off for "
"wireless networking to work.\n");
queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
+ up(&priv->sem);
return 0;
}
- if (ipw_up(priv))
+ if (ipw_up(priv)) {
+ up(&priv->sem);
return -EIO;
+ }
+ up(&priv->sem);
return 0;
}
@@ -8275,6 +8756,7 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
#endif
spin_lock_init(&priv->lock);
+ init_MUTEX(&priv->sem);
if (pci_enable_device(pdev)) {
err = -ENODEV;
goto out_free_ieee80211;
@@ -8416,9 +8898,14 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ipw_wx_data.spy_data = &priv->ieee->spy_data;
ipw_wx_data.ieee80211 = priv->ieee;
+ down(&priv->sem);
+
priv->ieee->hard_start_xmit = ipw_net_hard_start_xmit;
priv->ieee->set_security = shim__set_security;
+ priv->ieee->perfect_rssi = -20;
+ priv->ieee->worst_rssi = -85;
+
net_dev->open = ipw_net_open;
net_dev->stop = ipw_net_stop;
net_dev->init = ipw_net_init;
@@ -8438,15 +8925,16 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err = sysfs_create_group(&pdev->dev.kobj, &ipw_attribute_group);
if (err) {
IPW_ERROR("failed to create sysfs device attributes\n");
+ up(&priv->sem);
goto out_release_irq;
}
+ up(&priv->sem);
err = register_netdev(net_dev);
if (err) {
IPW_ERROR("failed to register network device\n");
goto out_remove_sysfs;
}
-
return 0;
out_remove_sysfs:
@@ -8623,8 +9111,7 @@ module_param(auto_create, int, 0444);
MODULE_PARM_DESC(auto_create, "auto create adhoc network (default on)");
module_param(led, int, 0444);
-MODULE_PARM_DESC(auto_create,
- "enable led control on some systems (default 0 off)\n");
+MODULE_PARM_DESC(led, "enable led control on some systems (default 0 off)\n");
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h
index 1b339cb7a52..243b8ea1414 100644
--- a/drivers/net/wireless/ipw2200.h
+++ b/drivers/net/wireless/ipw2200.h
@@ -936,8 +936,8 @@ struct ipw_priv {
struct ieee80211_device *ieee;
struct ieee80211_security sec;
- /* spinlock */
spinlock_t lock;
+ struct semaphore sem;
/* basic pci-network driver stuff */
struct pci_dev *pci_dev;
@@ -1068,6 +1068,7 @@ struct ipw_priv {
struct work_struct led_link_on;
struct work_struct led_link_off;
struct work_struct led_act_off;
+ struct work_struct merge_networks;
#define IPW_2200BG 1
#define IPW_2915ABG 2
@@ -1160,6 +1161,7 @@ do { if (ipw_debug_level & (level)) \
#define IPW_DL_TRACE (1<<28)
#define IPW_DL_STATS (1<<29)
+#define IPW_DL_MERGE (1<<30)
#define IPW_ERROR(f, a...) printk(KERN_ERR DRV_NAME ": " f, ## a)
#define IPW_WARNING(f, a...) printk(KERN_WARNING DRV_NAME ": " f, ## a)
@@ -1187,6 +1189,7 @@ do { if (ipw_debug_level & (level)) \
#define IPW_DEBUG_STATE(f, a...) IPW_DEBUG(IPW_DL_STATE | IPW_DL_ASSOC | IPW_DL_INFO, f, ## a)
#define IPW_DEBUG_ASSOC(f, a...) IPW_DEBUG(IPW_DL_ASSOC | IPW_DL_INFO, f, ## a)
#define IPW_DEBUG_STATS(f, a...) IPW_DEBUG(IPW_DL_STATS, f, ## a)
+#define IPW_DEBUG_MERGE(f, a...) IPW_DEBUG(IPW_DL_MERGE, f, ## a)
#include <linux/ctype.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 14:18:59 +0000