--- /dev/null
+/**
+ * This file contains the major functions in WLAN
+ * driver. It includes init, exit, open, close and main
+ * thread etc..
+ */
+
+#include <linux/moduleparam.h>
+#include <linux/delay.h>
+#include <linux/freezer.h>
+#include <linux/etherdevice.h>
+#include <linux/netdevice.h>
+#include <linux/if_arp.h>
+#include <linux/kthread.h>
+
+#include <net/iw_handler.h>
+#include <net/ieee80211.h>
+
+#include "host.h"
+#include "decl.h"
+#include "dev.h"
+#include "wext.h"
+#include "debugfs.h"
+#include "assoc.h"
+#include "join.h"
+#include "cmd.h"
+
+#define DRIVER_RELEASE_VERSION "323.p0"
+const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
+#ifdef DEBUG
+ "-dbg"
+#endif
+ "";
+
+
+/* Module parameters */
+unsigned int lbs_debug;
+EXPORT_SYMBOL_GPL(lbs_debug);
+module_param_named(libertas_debug, lbs_debug, int, 0644);
+
+
+#define LBS_TX_PWR_DEFAULT 20 /*100mW */
+#define LBS_TX_PWR_US_DEFAULT 20 /*100mW */
+#define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */
+#define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */
+#define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */
+
+/* Format { channel, frequency (MHz), maxtxpower } */
+/* band: 'B/G', region: USA FCC/Canada IC */
+static struct chan_freq_power channel_freq_power_US_BG[] = {
+ {1, 2412, LBS_TX_PWR_US_DEFAULT},
+ {2, 2417, LBS_TX_PWR_US_DEFAULT},
+ {3, 2422, LBS_TX_PWR_US_DEFAULT},
+ {4, 2427, LBS_TX_PWR_US_DEFAULT},
+ {5, 2432, LBS_TX_PWR_US_DEFAULT},
+ {6, 2437, LBS_TX_PWR_US_DEFAULT},
+ {7, 2442, LBS_TX_PWR_US_DEFAULT},
+ {8, 2447, LBS_TX_PWR_US_DEFAULT},
+ {9, 2452, LBS_TX_PWR_US_DEFAULT},
+ {10, 2457, LBS_TX_PWR_US_DEFAULT},
+ {11, 2462, LBS_TX_PWR_US_DEFAULT}
+};
+
+/* band: 'B/G', region: Europe ETSI */
+static struct chan_freq_power channel_freq_power_EU_BG[] = {
+ {1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
+ {2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
+ {3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
+ {4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
+ {5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
+ {6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
+ {7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
+ {8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
+ {9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
+ {10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
+ {11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
+ {12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
+ {13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
+};
+
+/* band: 'B/G', region: Spain */
+static struct chan_freq_power channel_freq_power_SPN_BG[] = {
+ {10, 2457, LBS_TX_PWR_DEFAULT},
+ {11, 2462, LBS_TX_PWR_DEFAULT}
+};
+
+/* band: 'B/G', region: France */
+static struct chan_freq_power channel_freq_power_FR_BG[] = {
+ {10, 2457, LBS_TX_PWR_FR_DEFAULT},
+ {11, 2462, LBS_TX_PWR_FR_DEFAULT},
+ {12, 2467, LBS_TX_PWR_FR_DEFAULT},
+ {13, 2472, LBS_TX_PWR_FR_DEFAULT}
+};
+
+/* band: 'B/G', region: Japan */
+static struct chan_freq_power channel_freq_power_JPN_BG[] = {
+ {1, 2412, LBS_TX_PWR_JP_DEFAULT},
+ {2, 2417, LBS_TX_PWR_JP_DEFAULT},
+ {3, 2422, LBS_TX_PWR_JP_DEFAULT},
+ {4, 2427, LBS_TX_PWR_JP_DEFAULT},
+ {5, 2432, LBS_TX_PWR_JP_DEFAULT},
+ {6, 2437, LBS_TX_PWR_JP_DEFAULT},
+ {7, 2442, LBS_TX_PWR_JP_DEFAULT},
+ {8, 2447, LBS_TX_PWR_JP_DEFAULT},
+ {9, 2452, LBS_TX_PWR_JP_DEFAULT},
+ {10, 2457, LBS_TX_PWR_JP_DEFAULT},
+ {11, 2462, LBS_TX_PWR_JP_DEFAULT},
+ {12, 2467, LBS_TX_PWR_JP_DEFAULT},
+ {13, 2472, LBS_TX_PWR_JP_DEFAULT},
+ {14, 2484, LBS_TX_PWR_JP_DEFAULT}
+};
+
+/**
+ * the structure for channel, frequency and power
+ */
+struct region_cfp_table {
+ u8 region;
+ struct chan_freq_power *cfp_BG;
+ int cfp_no_BG;
+};
+
+/**
+ * the structure for the mapping between region and CFP
+ */
+static struct region_cfp_table region_cfp_table[] = {
+ {0x10, /*US FCC */
+ channel_freq_power_US_BG,
+ ARRAY_SIZE(channel_freq_power_US_BG),
+ }
+ ,
+ {0x20, /*CANADA IC */
+ channel_freq_power_US_BG,
+ ARRAY_SIZE(channel_freq_power_US_BG),
+ }
+ ,
+ {0x30, /*EU*/ channel_freq_power_EU_BG,
+ ARRAY_SIZE(channel_freq_power_EU_BG),
+ }
+ ,
+ {0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
+ ARRAY_SIZE(channel_freq_power_SPN_BG),
+ }
+ ,
+ {0x32, /*FRANCE*/ channel_freq_power_FR_BG,
+ ARRAY_SIZE(channel_freq_power_FR_BG),
+ }
+ ,
+ {0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
+ ARRAY_SIZE(channel_freq_power_JPN_BG),
+ }
+ ,
+/*Add new region here */
+};
+
+/**
+ * the table to keep region code
+ */
+u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] =
+ { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };
+
+/**
+ * 802.11b/g supported bitrates (in 500Kb/s units)
+ */
+u8 lbs_bg_rates[MAX_RATES] =
+ { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
+0x00, 0x00 };
+
+/**
+ * FW rate table. FW refers to rates by their index in this table, not by the
+ * rate value itself. Values of 0x00 are
+ * reserved positions.
+ */
+static u8 fw_data_rates[MAX_RATES] =
+ { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
+ 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
+};
+
+/**
+ * @brief use index to get the data rate
+ *
+ * @param idx The index of data rate
+ * @return data rate or 0
+ */
+u32 lbs_fw_index_to_data_rate(u8 idx)
+{
+ if (idx >= sizeof(fw_data_rates))
+ idx = 0;
+ return fw_data_rates[idx];
+}
+
+/**
+ * @brief use rate to get the index
+ *
+ * @param rate data rate
+ * @return index or 0
+ */
+u8 lbs_data_rate_to_fw_index(u32 rate)
+{
+ u8 i;
+
+ if (!rate)
+ return 0;
+
+ for (i = 0; i < sizeof(fw_data_rates); i++) {
+ if (rate == fw_data_rates[i])
+ return i;
+ }
+ return 0;
+}
+
+/**
+ * Attributes exported through sysfs
+ */
+
+/**
+ * @brief Get function for sysfs attribute anycast_mask
+ */
+static ssize_t lbs_anycast_get(struct device *dev,
+ struct device_attribute *attr, char * buf)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ struct cmd_ds_mesh_access mesh_access;
+ int ret;
+
+ memset(&mesh_access, 0, sizeof(mesh_access));
+
+ ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
+ if (ret)
+ return ret;
+
+ return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
+}
+
+/**
+ * @brief Set function for sysfs attribute anycast_mask
+ */
+static ssize_t lbs_anycast_set(struct device *dev,
+ struct device_attribute *attr, const char * buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ struct cmd_ds_mesh_access mesh_access;
+ uint32_t datum;
+ int ret;
+
+ memset(&mesh_access, 0, sizeof(mesh_access));
+ sscanf(buf, "%x", &datum);
+ mesh_access.data[0] = cpu_to_le32(datum);
+
+ ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
+ if (ret)
+ return ret;
+
+ return strlen(buf);
+}
+
+static int lbs_add_rtap(struct lbs_private *priv);
+static void lbs_remove_rtap(struct lbs_private *priv);
+static int lbs_add_mesh(struct lbs_private *priv);
+static void lbs_remove_mesh(struct lbs_private *priv);
+
+
+/**
+ * Get function for sysfs attribute rtap
+ */
+static ssize_t lbs_rtap_get(struct device *dev,
+ struct device_attribute *attr, char * buf)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ return snprintf(buf, 5, "0x%X\n", priv->monitormode);
+}
+
+/**
+ * Set function for sysfs attribute rtap
+ */
+static ssize_t lbs_rtap_set(struct device *dev,
+ struct device_attribute *attr, const char * buf, size_t count)
+{
+ int monitor_mode;
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+
+ sscanf(buf, "%x", &monitor_mode);
+ if (monitor_mode != LBS_MONITOR_OFF) {
+ if(priv->monitormode == monitor_mode)
+ return strlen(buf);
+ if (priv->monitormode == LBS_MONITOR_OFF) {
+ if (priv->infra_open || priv->mesh_open)
+ return -EBUSY;
+ if (priv->mode == IW_MODE_INFRA)
+ lbs_send_deauthentication(priv);
+ else if (priv->mode == IW_MODE_ADHOC)
+ lbs_stop_adhoc_network(priv);
+ lbs_add_rtap(priv);
+ }
+ priv->monitormode = monitor_mode;
+ }
+
+ else {
+ if (priv->monitormode == LBS_MONITOR_OFF)
+ return strlen(buf);
+ priv->monitormode = LBS_MONITOR_OFF;
+ lbs_remove_rtap(priv);
+
+ if (priv->currenttxskb) {
+ dev_kfree_skb_any(priv->currenttxskb);
+ priv->currenttxskb = NULL;
+ }
+
+ /* Wake queues, command thread, etc. */
+ lbs_host_to_card_done(priv);
+ }
+
+ lbs_prepare_and_send_command(priv,
+ CMD_802_11_MONITOR_MODE, CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP, 0, &priv->monitormode);
+ return strlen(buf);
+}
+
+/**
+ * lbs_rtap attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_rtap)
+ */
+static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
+
+/**
+ * Get function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_get(struct device *dev,
+ struct device_attribute *attr, char * buf)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
+}
+
+/**
+ * Set function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_set(struct device *dev,
+ struct device_attribute *attr, const char * buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ int enable;
+ int ret;
+
+ sscanf(buf, "%x", &enable);
+ enable = !!enable;
+ if (enable == !!priv->mesh_dev)
+ return count;
+
+ ret = lbs_mesh_config(priv, enable);
+ if (ret)
+ return ret;
+
+ if (enable)
+ lbs_add_mesh(priv);
+ else
+ lbs_remove_mesh(priv);
+
+ return count;
+}
+
+/**
+ * lbs_mesh attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_mesh)
+ */
+static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
+
+/**
+ * anycast_mask attribute to be exported per mshX interface
+ * through sysfs (/sys/class/net/mshX/anycast_mask)
+ */
+static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
+
+static struct attribute *lbs_mesh_sysfs_entries[] = {
+ &dev_attr_anycast_mask.attr,
+ NULL,
+};
+
+static struct attribute_group lbs_mesh_attr_group = {
+ .attrs = lbs_mesh_sysfs_entries,
+};
+
+/**
+ * @brief This function opens the ethX or mshX interface
+ *
+ * @param dev A pointer to net_device structure
+ * @return 0 or -EBUSY if monitor mode active
+ */
+static int lbs_dev_open(struct net_device *dev)
+{
+ struct lbs_private *priv = (struct lbs_private *) dev->priv ;
+ int ret = 0;
+
+ spin_lock_irq(&priv->driver_lock);
+
+ if (priv->monitormode != LBS_MONITOR_OFF) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ if (dev == priv->mesh_dev) {
+ priv->mesh_open = 1;
+ priv->mesh_connect_status = LBS_CONNECTED;
+ netif_carrier_on(dev);
+ } else {
+ priv->infra_open = 1;
+
+ if (priv->connect_status == LBS_CONNECTED)
+ netif_carrier_on(dev);
+ else
+ netif_carrier_off(dev);
+ }
+
+ if (!priv->tx_pending_len)
+ netif_wake_queue(dev);
+ out:
+
+ spin_unlock_irq(&priv->driver_lock);
+ return ret;
+}
+
+/**
+ * @brief This function closes the mshX interface
+ *
+ * @param dev A pointer to net_device structure
+ * @return 0
+ */
+static int lbs_mesh_stop(struct net_device *dev)
+{
+ struct lbs_private *priv = (struct lbs_private *) (dev->priv);
+
+ spin_lock_irq(&priv->driver_lock);
+
+ priv->mesh_open = 0;
+ priv->mesh_connect_status = LBS_DISCONNECTED;
+
+ netif_stop_queue(dev);
+ netif_carrier_off(dev);
+
+ spin_unlock_irq(&priv->driver_lock);
+ return 0;
+}
+
+/**
+ * @brief This function closes the ethX interface
+ *
+ * @param dev A pointer to net_device structure
+ * @return 0
+ */
+static int lbs_eth_stop(struct net_device *dev)
+{
+ struct lbs_private *priv = (struct lbs_private *) dev->priv;
+
+ spin_lock_irq(&priv->driver_lock);
+
+ priv->infra_open = 0;
+
+ netif_stop_queue(dev);
+
+ spin_unlock_irq(&priv->driver_lock);
+ return 0;
+}
+
+static void lbs_tx_timeout(struct net_device *dev)
+{
+ struct lbs_private *priv = (struct lbs_private *) dev->priv;
+
+ lbs_deb_enter(LBS_DEB_TX);
+
+ lbs_pr_err("tx watch dog timeout\n");
+
+ dev->trans_start = jiffies;
+
+ if (priv->currenttxskb) {
+ priv->eventcause = 0x01000000;
+ lbs_send_tx_feedback(priv);
+ }
+ /* XX: Shouldn't we also call into the hw-specific driver
+ to kick it somehow? */
+ lbs_host_to_card_done(priv);
+
+ lbs_deb_leave(LBS_DEB_TX);
+}
+
+void lbs_host_to_card_done(struct lbs_private *priv)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ priv->dnld_sent = DNLD_RES_RECEIVED;
+
+ /* Wake main thread if commands are pending */
+ if (!priv->cur_cmd)
+ wake_up_interruptible(&priv->waitq);
+
+ /* Don't wake netif queues if we're in monitor mode and
+ a TX packet is already pending, or if there are commands
+ queued to be sent. */
+ if (!priv->currenttxskb && list_empty(&priv->cmdpendingq)) {
+ if (priv->dev && priv->connect_status == LBS_CONNECTED)
+ netif_wake_queue(priv->dev);
+
+ if (priv->mesh_dev && priv->mesh_connect_status == LBS_CONNECTED)
+ netif_wake_queue(priv->mesh_dev);
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+}
+EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
+
+/**
+ * @brief This function returns the network statistics
+ *
+ * @param dev A pointer to struct lbs_private structure
+ * @return A pointer to net_device_stats structure
+ */
+static struct net_device_stats *lbs_get_stats(struct net_device *dev)
+{
+ struct lbs_private *priv = (struct lbs_private *) dev->priv;
+
+ return &priv->stats;
+}
+
+static int lbs_set_mac_address(struct net_device *dev, void *addr)
+{
+ int ret = 0;
+ struct lbs_private *priv = (struct lbs_private *) dev->priv;
+ struct sockaddr *phwaddr = addr;
+
+ lbs_deb_enter(LBS_DEB_NET);
+
+ /* In case it was called from the mesh device */
+ dev = priv->dev ;
+
+ memset(priv->current_addr, 0, ETH_ALEN);
+
+ /* dev->dev_addr is 8 bytes */
+ lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN);
+
+ lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN);
+ memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
+
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS,
+ CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP, 0, NULL);
+
+ if (ret) {
+ lbs_deb_net("set MAC address failed\n");
+ ret = -1;
+ goto done;
+ }
+
+ lbs_deb_hex(LBS_DEB_NET, "priv->macaddr", priv->current_addr, ETH_ALEN);
+ memcpy(dev->dev_addr, priv->current_addr, ETH_ALEN);
+ if (priv->mesh_dev)
+ memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_copy_multicast_address(struct lbs_private *priv,
+ struct net_device *dev)
+{
+ int i = 0;
+ struct dev_mc_list *mcptr = dev->mc_list;
+
+ for (i = 0; i < dev->mc_count; i++) {
+ memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
+ mcptr = mcptr->next;
+ }
+
+ return i;
+
+}
+
+static void lbs_set_multicast_list(struct net_device *dev)
+{
+ struct lbs_private *priv = dev->priv;
+ int oldpacketfilter;
+ DECLARE_MAC_BUF(mac);
+
+ lbs_deb_enter(LBS_DEB_NET);
+
+ oldpacketfilter = priv->currentpacketfilter;
+
+ if (dev->flags & IFF_PROMISC) {
+ lbs_deb_net("enable promiscuous mode\n");
+ priv->currentpacketfilter |=
+ CMD_ACT_MAC_PROMISCUOUS_ENABLE;
+ priv->currentpacketfilter &=
+ ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
+ CMD_ACT_MAC_MULTICAST_ENABLE);
+ } else {
+ /* Multicast */
+ priv->currentpacketfilter &=
+ ~CMD_ACT_MAC_PROMISCUOUS_ENABLE;
+
+ if (dev->flags & IFF_ALLMULTI || dev->mc_count >
+ MRVDRV_MAX_MULTICAST_LIST_SIZE) {
+ lbs_deb_net( "enabling all multicast\n");
+ priv->currentpacketfilter |=
+ CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
+ priv->currentpacketfilter &=
+ ~CMD_ACT_MAC_MULTICAST_ENABLE;
+ } else {
+ priv->currentpacketfilter &=
+ ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
+
+ if (!dev->mc_count) {
+ lbs_deb_net("no multicast addresses, "
+ "disabling multicast\n");
+ priv->currentpacketfilter &=
+ ~CMD_ACT_MAC_MULTICAST_ENABLE;
+ } else {
+ int i;
+
+ priv->currentpacketfilter |=
+ CMD_ACT_MAC_MULTICAST_ENABLE;
+
+ priv->nr_of_multicastmacaddr =
+ lbs_copy_multicast_address(priv, dev);
+
+ lbs_deb_net("multicast addresses: %d\n",
+ dev->mc_count);
+
+ for (i = 0; i < dev->mc_count; i++) {
+ lbs_deb_net("Multicast address %d:%s\n",
+ i, print_mac(mac,
+ priv->multicastlist[i]));
+ }
+ /* send multicast addresses to firmware */
+ lbs_prepare_and_send_command(priv,
+ CMD_MAC_MULTICAST_ADR,
+ CMD_ACT_SET, 0, 0,
+ NULL);
+ }
+ }
+ }
+
+ if (priv->currentpacketfilter != oldpacketfilter) {
+ lbs_set_mac_packet_filter(priv);
+ }
+
+ lbs_deb_leave(LBS_DEB_NET);
+}
+
+/**
+ * @brief This function handles the major jobs in the LBS driver.
+ * It handles all events generated by firmware, RX data received
+ * from firmware and TX data sent from kernel.
+ *
+ * @param data A pointer to lbs_thread structure
+ * @return 0
+ */
+static int lbs_thread(void *data)
+{
+ struct net_device *dev = data;
+ struct lbs_private *priv = dev->priv;
+ wait_queue_t wait;
+ u8 ireg = 0;
+
+ lbs_deb_enter(LBS_DEB_THREAD);
+
+ init_waitqueue_entry(&wait, current);
+
+ set_freezable();
+
+ for (;;) {
+ int shouldsleep;
+
+ lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+
+ add_wait_queue(&priv->waitq, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+ spin_lock_irq(&priv->driver_lock);
+
+ if (priv->surpriseremoved)
+ shouldsleep = 0; /* Bye */
+ else if (priv->psstate == PS_STATE_SLEEP)
+ shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */
+ else if (priv->intcounter)
+ shouldsleep = 0; /* Interrupt pending. Deal with it now */
+ else if (!priv->fw_ready)
+ shouldsleep = 1; /* Firmware not ready. We're waiting for it */
+ else if (priv->dnld_sent)
+ shouldsleep = 1; /* Something is en route to the device already */
+ else if (priv->tx_pending_len > 0)
+ shouldsleep = 0; /* We've a packet to send */
+ else if (priv->cur_cmd)
+ shouldsleep = 1; /* Can't send a command; one already running */
+ else if (!list_empty(&priv->cmdpendingq))
+ shouldsleep = 0; /* We have a command to send */
+ else
+ shouldsleep = 1; /* No command */
+
+ if (shouldsleep) {
+ lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
+ priv->connect_status, priv->intcounter,
+ priv->psmode, priv->psstate);
+ spin_unlock_irq(&priv->driver_lock);
+ schedule();
+ } else
+ spin_unlock_irq(&priv->driver_lock);
+
+ lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&priv->waitq, &wait);
+ try_to_freeze();
+
+ lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+
+ if (kthread_should_stop() || priv->surpriseremoved) {
+ lbs_deb_thread("main-thread: break from main thread: surpriseremoved=0x%x\n",
+ priv->surpriseremoved);
+ break;
+ }
+
+
+ spin_lock_irq(&priv->driver_lock);
+
+ if (priv->intcounter) {
+ u8 int_status;
+
+ priv->intcounter = 0;
+ int_status = priv->hw_get_int_status(priv, &ireg);
+
+ if (int_status) {
+ lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n");
+ spin_unlock_irq(&priv->driver_lock);
+ continue;
+ }
+ priv->hisregcpy |= ireg;
+ }
+
+ lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+
+ /* command response? */
+ if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) {
+ lbs_deb_thread("main-thread: cmd response ready\n");
+
+ priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
+ spin_unlock_irq(&priv->driver_lock);
+ lbs_process_rx_command(priv);
+ spin_lock_irq(&priv->driver_lock);
+ }
+
+ /* Any Card Event */
+ if (priv->hisregcpy & MRVDRV_CARDEVENT) {
+ lbs_deb_thread("main-thread: Card Event Activity\n");
+
+ priv->hisregcpy &= ~MRVDRV_CARDEVENT;
+
+ if (priv->hw_read_event_cause(priv)) {
+ lbs_pr_alert("main-thread: hw_read_event_cause failed\n");
+ spin_unlock_irq(&priv->driver_lock);
+ continue;
+ }
+ spin_unlock_irq(&priv->driver_lock);
+ lbs_process_event(priv);
+ } else
+ spin_unlock_irq(&priv->driver_lock);
+
+ if (!priv->fw_ready)
+ continue;
+
+ /* Check if we need to confirm Sleep Request received previously */
+ if (priv->psstate == PS_STATE_PRE_SLEEP &&
+ !priv->dnld_sent && !priv->cur_cmd) {
+ if (priv->connect_status == LBS_CONNECTED) {
+ lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n",
+ priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd);
+
+ lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
+ } else {
+ /* workaround for firmware sending
+ * deauth/linkloss event immediately
+ * after sleep request; remove this
+ * after firmware fixes it
+ */
+ priv->psstate = PS_STATE_AWAKE;
+ lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n");
+ }
+ }
+
+ /* The PS state is changed during processing of Sleep Request
+ * event above
+ */
+ if ((priv->psstate == PS_STATE_SLEEP) ||
+ (priv->psstate == PS_STATE_PRE_SLEEP))
+ continue;
+
+ /* Execute the next command */
+ if (!priv->dnld_sent && !priv->cur_cmd)
+ lbs_execute_next_command(priv);
+
+ /* Wake-up command waiters which can't sleep in
+ * lbs_prepare_and_send_command
+ */
+ if (!list_empty(&priv->cmdpendingq))
+ wake_up_all(&priv->cmd_pending);
+
+ spin_lock_irq(&priv->driver_lock);
+ if (!priv->dnld_sent && priv->tx_pending_len > 0) {
+ int ret = priv->hw_host_to_card(priv, MVMS_DAT,
+ priv->tx_pending_buf,
+ priv->tx_pending_len);
+ if (ret) {
+ lbs_deb_tx("host_to_card failed %d\n", ret);
+ priv->dnld_sent = DNLD_RES_RECEIVED;
+ }
+ priv->tx_pending_len = 0;
+ if (!priv->currenttxskb) {
+ /* We can wake the queues immediately if we aren't
+ waiting for TX feedback */
+ if (priv->connect_status == LBS_CONNECTED)
+ netif_wake_queue(priv->dev);
+ if (priv->mesh_dev &&
+ priv->mesh_connect_status == LBS_CONNECTED)
+ netif_wake_queue(priv->mesh_dev);
+ }
+ }
+ spin_unlock_irq(&priv->driver_lock);
+ }
+
+ del_timer(&priv->command_timer);
+ wake_up_all(&priv->cmd_pending);
+
+ lbs_deb_leave(LBS_DEB_THREAD);
+ return 0;
+}
+
+/**
+ * @brief This function downloads firmware image, gets
+ * HW spec from firmware and set basic parameters to
+ * firmware.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return 0 or -1
+ */
+static int lbs_setup_firmware(struct lbs_private *priv)
+{
+ int ret = -1;
+
+ lbs_deb_enter(LBS_DEB_FW);
+
+ /*
+ * Read MAC address from HW
+ */
+ memset(priv->current_addr, 0xff, ETH_ALEN);
+ ret = lbs_update_hw_spec(priv);
+ if (ret) {
+ ret = -1;
+ goto done;
+ }
+
+ lbs_set_mac_packet_filter(priv);
+
+ ret = lbs_get_data_rate(priv);
+ if (ret < 0) {
+ ret = -1;
+ goto done;
+ }
+
+ ret = 0;
+done:
+ lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * This function handles the timeout of command sending.
+ * It will re-send the same command again.
+ */
+static void command_timer_fn(unsigned long data)
+{
+ struct lbs_private *priv = (struct lbs_private *)data;
+ struct cmd_ctrl_node *node;
+ unsigned long flags;
+
+ node = priv->cur_cmd;
+ if (node == NULL) {
+ lbs_deb_fw("ptempnode empty\n");
+ return;
+ }
+
+ if (!node->cmdbuf) {
+ lbs_deb_fw("cmd is NULL\n");
+ return;
+ }
+
+ lbs_deb_fw("command_timer_fn fired, cmd %x\n", node->cmdbuf->command);
+
+ if (!priv->fw_ready)
+ return;
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ priv->cur_cmd = NULL;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ lbs_deb_fw("re-sending same command because of timeout\n");
+ lbs_queue_cmd(priv, node, 0);
+
+ wake_up_interruptible(&priv->waitq);
+
+ return;
+}
+
+static int lbs_init_adapter(struct lbs_private *priv)
+{
+ size_t bufsize;
+ int i, ret = 0;
+
+ /* Allocate buffer to store the BSSID list */
+ bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
+ priv->networks = kzalloc(bufsize, GFP_KERNEL);
+ if (!priv->networks) {
+ lbs_pr_err("Out of memory allocating beacons\n");
+ ret = -1;
+ goto out;
+ }
+
+ /* Initialize scan result lists */
+ INIT_LIST_HEAD(&priv->network_free_list);
+ INIT_LIST_HEAD(&priv->network_list);
+ for (i = 0; i < MAX_NETWORK_COUNT; i++) {
+ list_add_tail(&priv->networks[i].list,
+ &priv->network_free_list);
+ }
+
+ priv->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++priv->seqnum);
+ priv->lbs_ps_confirm_sleep.command =
+ cpu_to_le16(CMD_802_11_PS_MODE);
+ priv->lbs_ps_confirm_sleep.size =
+ cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep));
+ priv->lbs_ps_confirm_sleep.action =
+ cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
+
+ memset(priv->current_addr, 0xff, ETH_ALEN);
+
+ priv->connect_status = LBS_DISCONNECTED;
+ priv->mesh_connect_status = LBS_DISCONNECTED;
+ priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
+ priv->mode = IW_MODE_INFRA;
+ priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
+ priv->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
+ priv->radioon = RADIO_ON;
+ priv->auto_rate = 1;
+ priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
+ priv->psmode = LBS802_11POWERMODECAM;
+ priv->psstate = PS_STATE_FULL_POWER;
+
+ mutex_init(&priv->lock);
+
+ setup_timer(&priv->command_timer, command_timer_fn,
+ (unsigned long)priv);
+
+ INIT_LIST_HEAD(&priv->cmdfreeq);
+ INIT_LIST_HEAD(&priv->cmdpendingq);
+
+ spin_lock_init(&priv->driver_lock);
+ init_waitqueue_head(&priv->cmd_pending);
+
+ /* Allocate the command buffers */
+ if (lbs_allocate_cmd_buffer(priv)) {
+ lbs_pr_err("Out of memory allocating command buffers\n");
+ ret = -1;
+ }
+
+out:
+ return ret;
+}
+
+static void lbs_free_adapter(struct lbs_private *priv)
+{
+ lbs_deb_fw("free command buffer\n");
+ lbs_free_cmd_buffer(priv);
+
+ lbs_deb_fw("free command_timer\n");
+ del_timer(&priv->command_timer);
+
+ lbs_deb_fw("free scan results table\n");
+ kfree(priv->networks);
+ priv->networks = NULL;
+}
+
+/**
+ * @brief This function adds the card. it will probe the
+ * card, allocate the lbs_priv and initialize the device.
+ *
+ * @param card A pointer to card
+ * @return A pointer to struct lbs_private structure
+ */
+struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
+{
+ struct net_device *dev = NULL;
+ struct lbs_private *priv = NULL;
+
+ lbs_deb_enter(LBS_DEB_NET);
+
+ /* Allocate an Ethernet device and register it */
+ dev = alloc_etherdev(sizeof(struct lbs_private));
+ if (!dev) {
+ lbs_pr_err("init ethX device failed\n");
+ goto done;
+ }
+ priv = dev->priv;
+
+ if (lbs_init_adapter(priv)) {
+ lbs_pr_err("failed to initialize adapter structure.\n");
+ goto err_init_adapter;
+ }
+
+ priv->dev = dev;
+ priv->card = card;
+ priv->mesh_open = 0;
+ priv->infra_open = 0;
+
+ /* Setup the OS Interface to our functions */
+ dev->open = lbs_dev_open;
+ dev->hard_start_xmit = lbs_hard_start_xmit;
+ dev->stop = lbs_eth_stop;
+ dev->set_mac_address = lbs_set_mac_address;
+ dev->tx_timeout = lbs_tx_timeout;
+ dev->get_stats = lbs_get_stats;
+ dev->watchdog_timeo = 5 * HZ;
+ dev->ethtool_ops = &lbs_ethtool_ops;
+#ifdef WIRELESS_EXT
+ dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def;
+#endif
+ dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+ dev->set_multicast_list = lbs_set_multicast_list;
+
+ SET_NETDEV_DEV(dev, dmdev);
+
+ priv->rtap_net_dev = NULL;
+
+ lbs_deb_thread("Starting main thread...\n");
+ init_waitqueue_head(&priv->waitq);
+ priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
+ if (IS_ERR(priv->main_thread)) {
+ lbs_deb_thread("Error creating main thread.\n");
+ goto err_init_adapter;
+ }
+
+ priv->work_thread = create_singlethread_workqueue("lbs_worker");
+ INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker);
+ INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
+ INIT_WORK(&priv->sync_channel, lbs_sync_channel);
+
+ sprintf(priv->mesh_ssid, "mesh");
+ priv->mesh_ssid_len = 4;
+
+ goto done;
+
+err_init_adapter:
+ lbs_free_adapter(priv);
+ free_netdev(dev);
+ priv = NULL;
+
+done:
+ lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv);
+ return priv;
+}
+EXPORT_SYMBOL_GPL(lbs_add_card);
+
+
+int lbs_remove_card(struct lbs_private *priv)
+{
+ struct net_device *dev = priv->dev;
+ union iwreq_data wrqu;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ lbs_remove_mesh(priv);
+ lbs_remove_rtap(priv);
+
+ dev = priv->dev;
+
+ cancel_delayed_work(&priv->scan_work);
+ cancel_delayed_work(&priv->assoc_work);
+ destroy_workqueue(priv->work_thread);
+
+ if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
+ priv->psmode = LBS802_11POWERMODECAM;
+ lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
+ }
+
+ memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN);
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+
+ /* Stop the thread servicing the interrupts */
+ priv->surpriseremoved = 1;
+ kthread_stop(priv->main_thread);
+
+ lbs_free_adapter(priv);
+
+ priv->dev = NULL;
+ free_netdev(dev);
+
+ lbs_deb_leave(LBS_DEB_MAIN);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(lbs_remove_card);
+
+
+int lbs_start_card(struct lbs_private *priv)
+{
+ struct net_device *dev = priv->dev;
+ int ret = -1;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ /* poke the firmware */
+ ret = lbs_setup_firmware(priv);
+ if (ret)
+ goto done;
+
+ /* init 802.11d */
+ lbs_init_11d(priv);
+
+ if (register_netdev(dev)) {
+ lbs_pr_err("cannot register ethX device\n");
+ goto done;
+ }
+ if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
+ lbs_pr_err("cannot register lbs_rtap attribute\n");
+ if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
+ lbs_pr_err("cannot register lbs_mesh attribute\n");
+
+ lbs_debugfs_init_one(priv, dev);
+
+ lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name);
+
+ ret = 0;
+
+done:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_start_card);
+
+
+int lbs_stop_card(struct lbs_private *priv)
+{
+ struct net_device *dev = priv->dev;
+ int ret = -1;
+ struct cmd_ctrl_node *cmdnode;
+ unsigned long flags;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ netif_stop_queue(priv->dev);
+ netif_carrier_off(priv->dev);
+
+ lbs_debugfs_remove_one(priv);
+ device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
+ device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
+
+ /* Flush pending command nodes */
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
+ cmdnode->cmdwaitqwoken = 1;
+ wake_up_interruptible(&cmdnode->cmdwait_q);
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ unregister_netdev(dev);
+
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_stop_card);
+
+
+/**
+ * @brief This function adds mshX interface
+ *
+ * @param priv A pointer to the struct lbs_private structure
+ * @return 0 if successful, -X otherwise
+ */
+static int lbs_add_mesh(struct lbs_private *priv)
+{
+ struct net_device *mesh_dev = NULL;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_MESH);
+
+ /* Allocate a virtual mesh device */
+ if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) {
+ lbs_deb_mesh("init mshX device failed\n");
+ ret = -ENOMEM;
+ goto done;
+ }
+ mesh_dev->priv = priv;
+ priv->mesh_dev = mesh_dev;
+
+ mesh_dev->open = lbs_dev_open;
+ mesh_dev->hard_start_xmit = lbs_hard_start_xmit;
+ mesh_dev->stop = lbs_mesh_stop;
+ mesh_dev->get_stats = lbs_get_stats;
+ mesh_dev->set_mac_address = lbs_set_mac_address;
+ mesh_dev->ethtool_ops = &lbs_ethtool_ops;
+ memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
+ sizeof(priv->dev->dev_addr));
+
+ SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
+
+#ifdef WIRELESS_EXT
+ mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;
+#endif
+ /* Register virtual mesh interface */
+ ret = register_netdev(mesh_dev);
+ if (ret) {
+ lbs_pr_err("cannot register mshX virtual interface\n");
+ goto err_free;
+ }
+
+ ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+ if (ret)
+ goto err_unregister;
+
+ /* Everything successful */
+ ret = 0;
+ goto done;
+
+err_unregister:
+ unregister_netdev(mesh_dev);
+
+err_free:
+ free_netdev(mesh_dev);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_add_mesh);
+
+
+static void lbs_remove_mesh(struct lbs_private *priv)
+{
+ struct net_device *mesh_dev;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ if (!priv)
+ goto out;
+
+ mesh_dev = priv->mesh_dev;
+ if (!mesh_dev)
+ goto out;
+
+ netif_stop_queue(mesh_dev);
+ netif_carrier_off(priv->mesh_dev);
+
+ sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+ unregister_netdev(mesh_dev);
+
+ priv->mesh_dev = NULL;
+ free_netdev(mesh_dev);
+
+out:
+ lbs_deb_leave(LBS_DEB_MAIN);
+}
+EXPORT_SYMBOL_GPL(lbs_remove_mesh);
+
+/**
+ * @brief This function finds the CFP in
+ * region_cfp_table based on region and band parameter.
+ *
+ * @param region The region code
+ * @param band The band
+ * @param cfp_no A pointer to CFP number
+ * @return A pointer to CFP
+ */
+struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no)
+{
+ int i, end;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ end = ARRAY_SIZE(region_cfp_table);
+
+ for (i = 0; i < end ; i++) {
+ lbs_deb_main("region_cfp_table[i].region=%d\n",
+ region_cfp_table[i].region);
+ if (region_cfp_table[i].region == region) {
+ *cfp_no = region_cfp_table[i].cfp_no_BG;
+ lbs_deb_leave(LBS_DEB_MAIN);
+ return region_cfp_table[i].cfp_BG;
+ }
+ }
+
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
+ return NULL;
+}
+
+int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
+{
+ int ret = 0;
+ int i = 0;
+
+ struct chan_freq_power *cfp;
+ int cfp_no;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ memset(priv->region_channel, 0, sizeof(priv->region_channel));
+
+ {
+ cfp = lbs_get_region_cfp_table(region, band, &cfp_no);
+ if (cfp != NULL) {
+ priv->region_channel[i].nrcfp = cfp_no;
+ priv->region_channel[i].CFP = cfp;
+ } else {
+ lbs_deb_main("wrong region code %#x in band B/G\n",
+ region);
+ ret = -1;
+ goto out;
+ }
+ priv->region_channel[i].valid = 1;
+ priv->region_channel[i].region = region;
+ priv->region_channel[i].band = band;
+ i++;
+ }
+out:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief This function handles the interrupt. it will change PS
+ * state if applicable. it will wake up main_thread to handle
+ * the interrupt event as well.
+ *
+ * @param dev A pointer to net_device structure
+ * @return n/a
+ */
+void lbs_interrupt(struct lbs_private *priv)
+{
+ lbs_deb_enter(LBS_DEB_THREAD);
+
+ lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter);
+
+ if (!spin_trylock(&priv->driver_lock)) {
+ spin_unlock(&priv->driver_lock);
+ printk(KERN_CRIT "%s called without driver_lock held\n", __func__);
+ WARN_ON(1);
+ }
+
+ priv->intcounter++;
+
+ if (priv->psstate == PS_STATE_SLEEP)
+ priv->psstate = PS_STATE_AWAKE;
+
+ wake_up_interruptible(&priv->waitq);
+
+ lbs_deb_leave(LBS_DEB_THREAD);
+}
+EXPORT_SYMBOL_GPL(lbs_interrupt);
+
+int lbs_reset_device(struct lbs_private *priv)
+{
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_RESET,
+ CMD_ACT_HALT, 0, 0, NULL);
+ msleep_interruptible(10);
+
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_reset_device);
+
+static int __init lbs_init_module(void)
+{
+ lbs_deb_enter(LBS_DEB_MAIN);
+ lbs_debugfs_init();
+ lbs_deb_leave(LBS_DEB_MAIN);
+ return 0;
+}
+
+static void __exit lbs_exit_module(void)
+{
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ lbs_debugfs_remove();
+
+ lbs_deb_leave(LBS_DEB_MAIN);
+}
+
+/*
+ * rtap interface support fuctions
+ */
+
+static int lbs_rtap_open(struct net_device *dev)
+{
+ /* Yes, _stop_ the queue. Because we don't support injection */
+ netif_carrier_off(dev);
+ netif_stop_queue(dev);
+ return 0;
+}
+
+static int lbs_rtap_stop(struct net_device *dev)
+{
+ return 0;
+}
+
+static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ netif_stop_queue(dev);
+ return NETDEV_TX_BUSY;
+}
+
+static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev)
+{
+ struct lbs_private *priv = dev->priv;
+ return &priv->stats;
+}
+
+
+static void lbs_remove_rtap(struct lbs_private *priv)
+{
+ if (priv->rtap_net_dev == NULL)
+ return;
+ unregister_netdev(priv->rtap_net_dev);
+ free_netdev(priv->rtap_net_dev);
+ priv->rtap_net_dev = NULL;
+}
+
+static int lbs_add_rtap(struct lbs_private *priv)
+{
+ int rc = 0;
+ struct net_device *rtap_dev;
+
+ if (priv->rtap_net_dev)
+ return -EPERM;
+
+ rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
+ if (rtap_dev == NULL)
+ return -ENOMEM;
+
+ memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN);
+ rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP;
+ rtap_dev->open = lbs_rtap_open;
+ rtap_dev->stop = lbs_rtap_stop;
+ rtap_dev->get_stats = lbs_rtap_get_stats;
+ rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
+ rtap_dev->set_multicast_list = lbs_set_multicast_list;
+ rtap_dev->priv = priv;
+
+ rc = register_netdev(rtap_dev);
+ if (rc) {
+ free_netdev(rtap_dev);
+ return rc;
+ }
+ priv->rtap_net_dev = rtap_dev;
+
+ return 0;
+}
+
+
+module_init(lbs_init_module);
+module_exit(lbs_exit_module);
+
+MODULE_DESCRIPTION("Libertas WLAN Driver Library");
+MODULE_AUTHOR("Marvell International Ltd.");
+MODULE_LICENSE("GPL");
projects / openwrt / staging / florian.git / blobdiff