#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 <linux/kfifo.h>
+#include <linux/stddef.h>
+#include <linux/ieee80211.h>
#include <net/iw_handler.h>
-#include <net/ieee80211.h>
+#include <net/cfg80211.h>
#include "host.h"
#include "decl.h"
#include "dev.h"
#include "wext.h"
+#include "cfg.h"
#include "debugfs.h"
+#include "scan.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
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;
-};
+/* This global structure is used to send the confirm_sleep command as
+ * fast as possible down to the firmware. */
+struct cmd_confirm_sleep confirm_sleep;
-/**
- * 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
{ 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.
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 cmd_ds_mesh_access mesh_access;
-
- memset(&mesh_access, 0, sizeof(mesh_access));
- lbs_prepare_and_send_command(to_net_dev(dev)->priv,
- CMD_MESH_ACCESS,
- CMD_ACT_MESH_GET_ANYCAST,
- CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
-
- 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 cmd_ds_mesh_access mesh_access;
- uint32_t datum;
-
- memset(&mesh_access, 0, sizeof(mesh_access));
- sscanf(buf, "%x", &datum);
- mesh_access.data[0] = cpu_to_le32(datum);
- lbs_prepare_and_send_command((to_net_dev(dev))->priv,
- CMD_MESH_ACCESS,
- CMD_ACT_MESH_SET_ANYCAST,
- CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
- return strlen(buf);
-}
+static int lbs_add_rtap(struct lbs_private *priv);
+static void lbs_remove_rtap(struct lbs_private *priv);
-int lbs_add_rtap(struct lbs_private *priv);
-void lbs_remove_rtap(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;
+ struct lbs_private *priv = to_net_dev(dev)->ml_priv;
return snprintf(buf, 5, "0x%X\n", priv->monitormode);
}
struct device_attribute *attr, const char * buf, size_t count)
{
int monitor_mode;
- struct lbs_private *priv = to_net_dev(dev)->priv;
+ struct lbs_private *priv = to_net_dev(dev)->ml_priv;
sscanf(buf, "%x", &monitor_mode);
- if (monitor_mode != LBS_MONITOR_OFF) {
- if(priv->monitormode == monitor_mode)
+ if (monitor_mode) {
+ if (priv->monitormode == monitor_mode)
return strlen(buf);
- if (priv->monitormode == LBS_MONITOR_OFF) {
+ if (!priv->monitormode) {
+ if (priv->infra_open || priv->mesh_open)
+ return -EBUSY;
if (priv->mode == IW_MODE_INFRA)
- lbs_send_deauthentication(priv);
+ lbs_cmd_80211_deauthenticate(priv,
+ priv->curbssparams.bssid,
+ WLAN_REASON_DEAUTH_LEAVING);
else if (priv->mode == IW_MODE_ADHOC)
- lbs_stop_adhoc_network(priv);
+ lbs_adhoc_stop(priv);
lbs_add_rtap(priv);
}
priv->monitormode = monitor_mode;
- }
-
- else {
- if (priv->monitormode == LBS_MONITOR_OFF)
+ } else {
+ if (!priv->monitormode)
return strlen(buf);
- priv->monitormode = LBS_MONITOR_OFF;
+ priv->monitormode = 0;
lbs_remove_rtap(priv);
if (priv->currenttxskb) {
}
/**
- * lbs_rtap attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/libertas-rtap)
- */
-static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get,
- lbs_rtap_set );
-
-/**
- * anycast_mask attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/anycast_mask)
+ * lbs_rtap attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_rtap)
*/
-static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
-
-static ssize_t lbs_autostart_enabled_get(struct device *dev,
- struct device_attribute *attr, char * buf)
-{
- struct cmd_ds_mesh_access mesh_access;
-
- memset(&mesh_access, 0, sizeof(mesh_access));
- lbs_prepare_and_send_command(to_net_dev(dev)->priv,
- CMD_MESH_ACCESS,
- CMD_ACT_MESH_GET_AUTOSTART_ENABLED,
- CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
-
- return sprintf(buf, "%d\n", le32_to_cpu(mesh_access.data[0]));
-}
-
-static ssize_t lbs_autostart_enabled_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
-{
- struct cmd_ds_mesh_access mesh_access;
- uint32_t datum;
- struct lbs_private *priv = (to_net_dev(dev))->priv;
- int ret;
-
- memset(&mesh_access, 0, sizeof(mesh_access));
- sscanf(buf, "%d", &datum);
- mesh_access.data[0] = cpu_to_le32(datum);
-
- ret = lbs_prepare_and_send_command(priv,
- CMD_MESH_ACCESS,
- CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
- CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
- if (ret == 0)
- priv->mesh_autostart_enabled = datum ? 1 : 0;
-
- return strlen(buf);
-}
-
-static DEVICE_ATTR(autostart_enabled, 0644,
- lbs_autostart_enabled_get, lbs_autostart_enabled_set);
-
-static struct attribute *lbs_mesh_sysfs_entries[] = {
- &dev_attr_anycast_mask.attr,
- &dev_attr_autostart_enabled.attr,
- NULL,
-};
-
-static struct attribute_group lbs_mesh_attr_group = {
- .attrs = lbs_mesh_sysfs_entries,
-};
+static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
/**
- * @brief Check if the device can be open and wait if necessary.
- *
- * @param dev A pointer to net_device structure
- * @return 0
- *
- * For USB adapter, on some systems the device open handler will be
- * called before FW ready. Use the following flag check and wait
- * function to work around the issue.
- *
- */
-static int pre_open_check(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
- int i = 0;
-
- while (!priv->fw_ready && i < 20) {
- i++;
- msleep_interruptible(100);
- }
- if (!priv->fw_ready) {
- lbs_pr_err("firmware not ready\n");
- return -1;
- }
-
- return 0;
-}
-
-/**
- * @brief This function opens the device
+ * @brief This function opens the ethX interface
*
* @param dev A pointer to net_device structure
- * @return 0
+ * @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;
+ struct lbs_private *priv = dev->ml_priv;
+ int ret = 0;
lbs_deb_enter(LBS_DEB_NET);
- priv->open = 1;
-
- if (priv->connect_status == LBS_CONNECTED)
- netif_carrier_on(priv->dev);
- else
- netif_carrier_off(priv->dev);
+ spin_lock_irq(&priv->driver_lock);
- if (priv->mesh_dev) {
- if (priv->mesh_connect_status == LBS_CONNECTED)
- netif_carrier_on(priv->mesh_dev);
- else
- netif_carrier_off(priv->mesh_dev);
+ if (priv->monitormode) {
+ ret = -EBUSY;
+ goto out;
}
- lbs_deb_leave(LBS_DEB_NET);
- return 0;
-}
-/**
- * @brief This function opens the mshX interface
- *
- * @param dev A pointer to net_device structure
- * @return 0
- */
-static int lbs_mesh_open(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv ;
+ priv->infra_open = 1;
- if (pre_open_check(dev) == -1)
- return -1;
- priv->mesh_open = 1 ;
- netif_wake_queue(priv->mesh_dev);
+ if (priv->connect_status == LBS_CONNECTED)
+ netif_carrier_on(dev);
+ else
+ netif_carrier_off(dev);
- priv->mesh_connect_status = LBS_CONNECTED;
+ if (!priv->tx_pending_len)
+ netif_wake_queue(dev);
+ out:
- netif_carrier_on(priv->mesh_dev);
- netif_wake_queue(priv->mesh_dev);
- if (priv->infra_open == 0)
- return lbs_dev_open(priv->dev) ;
- return 0;
+ spin_unlock_irq(&priv->driver_lock);
+ lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
+ return ret;
}
/**
- * @brief This function opens the ethX interface
+ * @brief This function closes the ethX interface
*
* @param dev A pointer to net_device structure
* @return 0
*/
-static int lbs_open(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv ;
-
- if(pre_open_check(dev) == -1)
- return -1;
- priv->infra_open = 1 ;
- netif_wake_queue(priv->dev);
- if (priv->open == 0)
- return lbs_dev_open(priv->dev) ;
- return 0;
-}
-
-static int lbs_dev_close(struct net_device *dev)
+static int lbs_eth_stop(struct net_device *dev)
{
- struct lbs_private *priv = dev->priv;
+ struct lbs_private *priv = dev->ml_priv;
lbs_deb_enter(LBS_DEB_NET);
- netif_carrier_off(priv->dev);
- priv->open = 0;
+ spin_lock_irq(&priv->driver_lock);
+ priv->infra_open = 0;
+ netif_stop_queue(dev);
+ spin_unlock_irq(&priv->driver_lock);
+
+ schedule_work(&priv->mcast_work);
lbs_deb_leave(LBS_DEB_NET);
return 0;
}
-/**
- * @brief This function closes the mshX interface
- *
- * @param dev A pointer to net_device structure
- * @return 0
- */
-static int lbs_mesh_close(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) (dev->priv);
-
- priv->mesh_open = 0;
- netif_stop_queue(priv->mesh_dev);
- if (priv->infra_open == 0)
- return lbs_dev_close(dev);
- else
- return 0;
-}
-
-/**
- * @brief This function closes the ethX interface
- *
- * @param dev A pointer to net_device structure
- * @return 0
- */
-static int lbs_close(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
-
- netif_stop_queue(dev);
- priv->infra_open = 0;
- if (priv->mesh_open == 0)
- return lbs_dev_close(dev);
- else
- return 0;
-}
-
static void lbs_tx_timeout(struct net_device *dev)
{
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
+ struct lbs_private *priv = dev->ml_priv;
lbs_deb_enter(LBS_DEB_TX);
dev->trans_start = jiffies;
- if (priv->currenttxskb) {
- priv->eventcause = 0x01000000;
- lbs_send_tx_feedback(priv);
- }
+ if (priv->currenttxskb)
+ lbs_send_tx_feedback(priv, 0);
+
/* XX: Shouldn't we also call into the hw-specific driver
to kick it somehow? */
lbs_host_to_card_done(priv);
+ /* More often than not, this actually happens because the
+ firmware has crapped itself -- rather than just a very
+ busy medium. So send a harmless command, and if/when
+ _that_ times out, we'll kick it in the head. */
+ lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+ 0, 0, NULL);
+
lbs_deb_leave(LBS_DEB_TX);
}
{
unsigned long flags;
+ lbs_deb_enter(LBS_DEB_THREAD);
+
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);
+ if (!priv->cur_cmd || priv->tx_pending_len > 0) {
+ if (!priv->wakeup_dev_required)
+ wake_up_interruptible(&priv->waitq);
}
+
spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbs_deb_leave(LBS_DEB_THREAD);
}
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 lbs_set_mac_address(struct net_device *dev, void *addr)
{
int ret = 0;
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
+ struct lbs_private *priv = dev->ml_priv;
struct sockaddr *phwaddr = addr;
+ struct cmd_ds_802_11_mac_address cmd;
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);
+ dev = priv->dev;
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP, 0, NULL);
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_ACT_SET);
+ memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN);
+ ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd);
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);
+ memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
+ memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
if (priv->mesh_dev)
- memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
+ memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, 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)
+
+static inline int mac_in_list(unsigned char *list, int list_len,
+ unsigned char *mac)
+{
+ while (list_len) {
+ if (!memcmp(list, mac, ETH_ALEN))
+ return 1;
+ list += ETH_ALEN;
+ list_len--;
+ }
+ return 0;
+}
+
+
+static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
+ struct net_device *dev, int nr_addrs)
{
- int i = 0;
- struct dev_mc_list *mcptr = dev->mc_list;
+ int i = nr_addrs;
+ struct dev_mc_list *mc_list;
+
+ if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST))
+ return nr_addrs;
+
+ netif_addr_lock_bh(dev);
+ for (mc_list = dev->mc_list; mc_list; mc_list = mc_list->next) {
+ if (mac_in_list(cmd->maclist, nr_addrs, mc_list->dmi_addr)) {
+ lbs_deb_net("mcast address %s:%pM skipped\n", dev->name,
+ mc_list->dmi_addr);
+ continue;
+ }
- for (i = 0; i < dev->mc_count; i++) {
- memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
- mcptr = mcptr->next;
+ if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE)
+ break;
+ memcpy(&cmd->maclist[6*i], mc_list->dmi_addr, ETH_ALEN);
+ lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name,
+ mc_list->dmi_addr);
+ i++;
}
+ netif_addr_unlock_bh(dev);
+ if (mc_list)
+ return -EOVERFLOW;
return i;
-
}
-static void lbs_set_multicast_list(struct net_device *dev)
+static void lbs_set_mcast_worker(struct work_struct *work)
{
- struct lbs_private *priv = dev->priv;
- int oldpacketfilter;
- DECLARE_MAC_BUF(mac);
+ struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work);
+ struct cmd_ds_mac_multicast_adr mcast_cmd;
+ int dev_flags;
+ int nr_addrs;
+ int old_mac_control = priv->mac_control;
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);
- }
- }
+ dev_flags = priv->dev->flags;
+ if (priv->mesh_dev)
+ dev_flags |= priv->mesh_dev->flags;
+
+ if (dev_flags & IFF_PROMISC) {
+ priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE;
+ priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
+ CMD_ACT_MAC_MULTICAST_ENABLE);
+ goto out_set_mac_control;
+ } else if (dev_flags & IFF_ALLMULTI) {
+ do_allmulti:
+ priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
+ priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE |
+ CMD_ACT_MAC_MULTICAST_ENABLE);
+ goto out_set_mac_control;
}
- if (priv->currentpacketfilter != oldpacketfilter) {
- lbs_set_mac_packet_filter(priv);
- }
+ /* Once for priv->dev, again for priv->mesh_dev if it exists */
+ nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0);
+ if (nr_addrs >= 0 && priv->mesh_dev)
+ nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs);
+ if (nr_addrs < 0)
+ goto do_allmulti;
+
+ if (nr_addrs) {
+ int size = offsetof(struct cmd_ds_mac_multicast_adr,
+ maclist[6*nr_addrs]);
+
+ mcast_cmd.action = cpu_to_le16(CMD_ACT_SET);
+ mcast_cmd.hdr.size = cpu_to_le16(size);
+ mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs);
+
+ lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size);
+
+ priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE;
+ } else
+ priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE;
+
+ priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE |
+ CMD_ACT_MAC_ALL_MULTICAST_ENABLE);
+ out_set_mac_control:
+ if (priv->mac_control != old_mac_control)
+ lbs_set_mac_control(priv);
lbs_deb_leave(LBS_DEB_NET);
}
+void lbs_set_multicast_list(struct net_device *dev)
+{
+ struct lbs_private *priv = dev->ml_priv;
+
+ schedule_work(&priv->mcast_work);
+}
+
/**
* @brief This function handles the major jobs in the LBS driver.
* It handles all events generated by firmware, RX data received
static int lbs_thread(void *data)
{
struct net_device *dev = data;
- struct lbs_private *priv = dev->priv;
+ struct lbs_private *priv = dev->ml_priv;
wait_queue_t wait;
- u8 ireg = 0;
lbs_deb_enter(LBS_DEB_THREAD);
init_waitqueue_entry(&wait, current);
- set_freezable();
-
for (;;) {
- lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
- priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+ int shouldsleep;
+ u8 resp_idx;
+
+ lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n",
+ priv->currenttxskb, priv->dnld_sent);
add_wait_queue(&priv->waitq, &wait);
set_current_state(TASK_INTERRUPTIBLE);
spin_lock_irq(&priv->driver_lock);
- if ((priv->psstate == PS_STATE_SLEEP) ||
- (!priv->intcounter && (priv->dnld_sent || priv->cur_cmd || list_empty(&priv->cmdpendingq)))) {
- 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);
+ if (kthread_should_stop())
+ shouldsleep = 0; /* Bye */
+ else if (priv->surpriseremoved)
+ shouldsleep = 1; /* We need to wait until we're _told_ to die */
+ else if (priv->psstate == PS_STATE_SLEEP)
+ shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */
+ else if (priv->cmd_timed_out)
+ shouldsleep = 0; /* Command timed out. Recover */
+ 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->resp_len[priv->resp_idx])
+ shouldsleep = 0; /* We have a command response */
+ else if (priv->cur_cmd)
+ shouldsleep = 1; /* Can't send a command; one already running */
+ else if (!list_empty(&priv->cmdpendingq) &&
+ !(priv->wakeup_dev_required))
+ shouldsleep = 0; /* We have a command to send */
+ else if (__kfifo_len(&priv->event_fifo))
+ shouldsleep = 0; /* We have an event to process */
+ else
+ shouldsleep = 1; /* No command */
+
+ if (shouldsleep) {
+ lbs_deb_thread("sleeping, connect_status %d, "
+ "psmode %d, psstate %d\n",
+ priv->connect_status,
+ 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);
+ lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n",
+ 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);
+ lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n",
+ 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);
+ if (kthread_should_stop()) {
+ lbs_deb_thread("break from main thread\n");
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;
+ if (priv->surpriseremoved) {
+ lbs_deb_thread("adapter removed; waiting to die...\n");
+ continue;
}
- lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
- priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+ lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n",
+ 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;
+ /* Process any pending command response */
+ spin_lock_irq(&priv->driver_lock);
+ resp_idx = priv->resp_idx;
+ if (priv->resp_len[resp_idx]) {
spin_unlock_irq(&priv->driver_lock);
- lbs_process_rx_command(priv);
+ lbs_process_command_response(priv,
+ priv->resp_buf[resp_idx],
+ priv->resp_len[resp_idx]);
spin_lock_irq(&priv->driver_lock);
+ priv->resp_len[resp_idx] = 0;
}
+ spin_unlock_irq(&priv->driver_lock);
- /* Any Card Event */
- if (priv->hisregcpy & MRVDRV_CARDEVENT) {
- lbs_deb_thread("main-thread: Card Event Activity\n");
+ /* Process hardware events, e.g. card removed, link lost */
+ spin_lock_irq(&priv->driver_lock);
+ while (__kfifo_len(&priv->event_fifo)) {
+ u32 event;
+ __kfifo_get(&priv->event_fifo, (unsigned char *) &event,
+ sizeof(event));
+ spin_unlock_irq(&priv->driver_lock);
+ lbs_process_event(priv, event);
+ spin_lock_irq(&priv->driver_lock);
+ }
+ spin_unlock_irq(&priv->driver_lock);
- priv->hisregcpy &= ~MRVDRV_CARDEVENT;
+ if (priv->wakeup_dev_required) {
+ lbs_deb_thread("Waking up device...\n");
+ /* Wake up device */
+ if (priv->exit_deep_sleep(priv))
+ lbs_deb_thread("Wakeup device failed\n");
+ continue;
+ }
- 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;
+ /* command timeout stuff */
+ if (priv->cmd_timed_out && priv->cur_cmd) {
+ struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
+
+ if (++priv->nr_retries > 3) {
+ lbs_pr_info("Excessive timeouts submitting "
+ "command 0x%04x\n",
+ le16_to_cpu(cmdnode->cmdbuf->command));
+ lbs_complete_command(priv, cmdnode, -ETIMEDOUT);
+ priv->nr_retries = 0;
+ if (priv->reset_card)
+ priv->reset_card(priv);
+ } else {
+ priv->cur_cmd = NULL;
+ priv->dnld_sent = DNLD_RES_RECEIVED;
+ lbs_pr_info("requeueing command 0x%04x due "
+ "to timeout (#%d)\n",
+ le16_to_cpu(cmdnode->cmdbuf->command),
+ priv->nr_retries);
+
+ /* Stick it back at the _top_ of the pending queue
+ for immediate resubmission */
+ list_add(&cmdnode->list, &priv->cmdpendingq);
}
- spin_unlock_irq(&priv->driver_lock);
- lbs_process_event(priv);
- } else
- spin_unlock_irq(&priv->driver_lock);
+ }
+ priv->cmd_timed_out = 0;
+
+
+
+ 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_deb_thread("pre-sleep, currenttxskb %p, "
+ "dnld_sent %d, cur_cmd %p\n",
+ priv->currenttxskb, priv->dnld_sent,
+ priv->cur_cmd);
- lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
+ lbs_ps_confirm_sleep(priv);
} else {
/* workaround for firmware sending
* deauth/linkloss event immediately
* after firmware fixes it
*/
priv->psstate = PS_STATE_AWAKE;
- lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n");
+ lbs_pr_alert("ignore PS_SleepConfirm in "
+ "non-connected state\n");
}
}
(priv->psstate == PS_STATE_PRE_SLEEP))
continue;
+ if (priv->is_deep_sleep)
+ continue;
+
/* Execute the next command */
if (!priv->dnld_sent && !priv->cur_cmd)
lbs_execute_next_command(priv);
*/
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);
+ del_timer(&priv->auto_deepsleep_timer);
wake_up_all(&priv->cmd_pending);
lbs_deb_leave(LBS_DEB_THREAD);
return 0;
}
+static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy,
+ struct cmd_header *cmd)
+{
+ lbs_deb_enter(LBS_DEB_FW);
+
+ netif_device_detach(priv->dev);
+ if (priv->mesh_dev)
+ netif_device_detach(priv->mesh_dev);
+
+ priv->fw_ready = 0;
+ lbs_deb_leave(LBS_DEB_FW);
+ return 0;
+}
+
+int lbs_suspend(struct lbs_private *priv)
+{
+ struct cmd_header cmd;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_FW);
+
+ if (priv->wol_criteria == 0xffffffff) {
+ lbs_pr_info("Suspend attempt without configuring wake params!\n");
+ return -EINVAL;
+ }
+
+ memset(&cmd, 0, sizeof(cmd));
+
+ ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd,
+ sizeof(cmd), lbs_suspend_callback, 0);
+ if (ret)
+ lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret);
+
+ lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_suspend);
+
+void lbs_resume(struct lbs_private *priv)
+{
+ lbs_deb_enter(LBS_DEB_FW);
+
+ priv->fw_ready = 1;
+
+ /* Firmware doesn't seem to give us RX packets any more
+ until we send it some command. Might as well update */
+ lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+ 0, 0, NULL);
+
+ netif_device_attach(priv->dev);
+ if (priv->mesh_dev)
+ netif_device_attach(priv->mesh_dev);
+
+ lbs_deb_leave(LBS_DEB_FW);
+}
+EXPORT_SYMBOL_GPL(lbs_resume);
+
/**
- * @brief This function downloads firmware image, gets
- * HW spec from firmware and set basic parameters to
- * firmware.
+ * @brief This function gets the HW spec from the firmware and sets
+ * some basic parameters.
*
* @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;
- struct cmd_ds_mesh_access mesh_access;
+ s16 curlevel = 0, minlevel = 0, maxlevel = 0;
lbs_deb_enter(LBS_DEB_FW);
- /*
- * Read MAC address from HW
- */
+ /* Read MAC address from firmware */
memset(priv->current_addr, 0xff, ETH_ALEN);
-
- ret = lbs_prepare_and_send_command(priv, CMD_GET_HW_SPEC,
- 0, CMD_OPTION_WAITFORRSP, 0, NULL);
-
- if (ret) {
- ret = -1;
- goto done;
- }
-
- lbs_set_mac_packet_filter(priv);
-
- /* Get the supported Data rates */
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE,
- CMD_ACT_GET_TX_RATE,
- CMD_OPTION_WAITFORRSP, 0, NULL);
-
- if (ret) {
- ret = -1;
+ ret = lbs_update_hw_spec(priv);
+ if (ret)
goto done;
- }
- /* Disable mesh autostart */
- if (priv->mesh_dev) {
- memset(&mesh_access, 0, sizeof(mesh_access));
- mesh_access.data[0] = cpu_to_le32(0);
- ret = lbs_prepare_and_send_command(priv,
- CMD_MESH_ACCESS,
- CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
- CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
- if (ret) {
- ret = -1;
- goto done;
- }
- priv->mesh_autostart_enabled = 0;
+ /* Read power levels if available */
+ ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel);
+ if (ret == 0) {
+ priv->txpower_cur = curlevel;
+ priv->txpower_min = minlevel;
+ priv->txpower_max = maxlevel;
}
- ret = 0;
+ lbs_set_mac_control(priv);
done:
lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
return ret;
static void command_timer_fn(unsigned long data)
{
struct lbs_private *priv = (struct lbs_private *)data;
- struct cmd_ctrl_node *ptempnode;
- struct cmd_ds_command *cmd;
unsigned long flags;
- ptempnode = priv->cur_cmd;
- if (ptempnode == NULL) {
- lbs_deb_fw("ptempnode empty\n");
- return;
- }
+ lbs_deb_enter(LBS_DEB_CMD);
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ if (!priv->cur_cmd)
+ goto out;
+
+ lbs_pr_info("command 0x%04x timed out\n",
+ le16_to_cpu(priv->cur_cmd->cmdbuf->command));
+
+ priv->cmd_timed_out = 1;
+ wake_up_interruptible(&priv->waitq);
+out:
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbs_deb_leave(LBS_DEB_CMD);
+}
+
+/**
+ * This function put the device back to deep sleep mode when timer expires
+ * and no activity (command, event, data etc.) is detected.
+ */
+static void auto_deepsleep_timer_fn(unsigned long data)
+{
+ struct lbs_private *priv = (struct lbs_private *)data;
+ int ret;
- cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr;
- if (!cmd) {
- lbs_deb_fw("cmd is NULL\n");
- return;
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (priv->is_activity_detected) {
+ priv->is_activity_detected = 0;
+ } else {
+ if (priv->is_auto_deep_sleep_enabled &&
+ (!priv->wakeup_dev_required) &&
+ (priv->connect_status != LBS_CONNECTED)) {
+ lbs_deb_main("Entering auto deep sleep mode...\n");
+ ret = lbs_prepare_and_send_command(priv,
+ CMD_802_11_DEEP_SLEEP, 0,
+ 0, 0, NULL);
+ if (ret)
+ lbs_pr_err("Enter Deep Sleep command failed\n");
+ }
}
+ mod_timer(&priv->auto_deepsleep_timer , jiffies +
+ (priv->auto_deep_sleep_timeout * HZ)/1000);
+ lbs_deb_leave(LBS_DEB_CMD);
+}
- lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command);
+int lbs_enter_auto_deep_sleep(struct lbs_private *priv)
+{
+ lbs_deb_enter(LBS_DEB_SDIO);
- if (!priv->fw_ready)
- return;
+ priv->is_auto_deep_sleep_enabled = 1;
+ if (priv->is_deep_sleep)
+ priv->wakeup_dev_required = 1;
+ mod_timer(&priv->auto_deepsleep_timer ,
+ jiffies + (priv->auto_deep_sleep_timeout * HZ)/1000);
- spin_lock_irqsave(&priv->driver_lock, flags);
- priv->cur_cmd = NULL;
- spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbs_deb_leave(LBS_DEB_SDIO);
+ return 0;
+}
+
+int lbs_exit_auto_deep_sleep(struct lbs_private *priv)
+{
+ lbs_deb_enter(LBS_DEB_SDIO);
- lbs_deb_fw("re-sending same command because of timeout\n");
- lbs_queue_cmd(priv, ptempnode, 0);
+ priv->is_auto_deep_sleep_enabled = 0;
+ priv->auto_deep_sleep_timeout = 0;
+ del_timer(&priv->auto_deepsleep_timer);
- wake_up_interruptible(&priv->waitq);
+ lbs_deb_leave(LBS_DEB_SDIO);
+ return 0;
+}
+
+static void lbs_sync_channel_worker(struct work_struct *work)
+{
+ struct lbs_private *priv = container_of(work, struct lbs_private,
+ sync_channel);
- return;
+ lbs_deb_enter(LBS_DEB_MAIN);
+ if (lbs_update_channel(priv))
+ lbs_pr_info("Channel synchronization failed.");
+ lbs_deb_leave(LBS_DEB_MAIN);
}
+
static int lbs_init_adapter(struct lbs_private *priv)
{
size_t bufsize;
int i, ret = 0;
+ lbs_deb_enter(LBS_DEB_MAIN);
+
/* Allocate buffer to store the BSSID list */
bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
priv->networks = kzalloc(bufsize, GFP_KERNEL);
&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->channel = DEFAULT_AD_HOC_CHANNEL;
+ priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
+ priv->radio_on = 1;
+ priv->enablehwauto = 1;
priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
priv->psmode = LBS802_11POWERMODECAM;
priv->psstate = PS_STATE_FULL_POWER;
+ priv->is_deep_sleep = 0;
+ priv->is_auto_deep_sleep_enabled = 0;
+ priv->wakeup_dev_required = 0;
+ init_waitqueue_head(&priv->ds_awake_q);
mutex_init(&priv->lock);
setup_timer(&priv->command_timer, command_timer_fn,
- (unsigned long)priv);
+ (unsigned long)priv);
+ setup_timer(&priv->auto_deepsleep_timer, auto_deepsleep_timer_fn,
+ (unsigned long)priv);
INIT_LIST_HEAD(&priv->cmdfreeq);
INIT_LIST_HEAD(&priv->cmdpendingq);
/* Allocate the command buffers */
if (lbs_allocate_cmd_buffer(priv)) {
lbs_pr_err("Out of memory allocating command buffers\n");
- ret = -1;
+ ret = -ENOMEM;
+ goto out;
+ }
+ priv->resp_idx = 0;
+ priv->resp_len[0] = priv->resp_len[1] = 0;
+
+ /* Create the event FIFO */
+ ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL, NULL);
+ if (ret) {
+ lbs_pr_err("Out of memory allocating event FIFO buffer\n");
+ goto out;
}
out:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+
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_enter(LBS_DEB_MAIN);
- lbs_deb_fw("free command_timer\n");
+ lbs_free_cmd_buffer(priv);
+ kfifo_free(&priv->event_fifo);
del_timer(&priv->command_timer);
-
- lbs_deb_fw("free scan results table\n");
+ del_timer(&priv->auto_deepsleep_timer);
kfree(priv->networks);
priv->networks = NULL;
+
+ lbs_deb_leave(LBS_DEB_MAIN);
}
+static const struct net_device_ops lbs_netdev_ops = {
+ .ndo_open = lbs_dev_open,
+ .ndo_stop = lbs_eth_stop,
+ .ndo_start_xmit = lbs_hard_start_xmit,
+ .ndo_set_mac_address = lbs_set_mac_address,
+ .ndo_tx_timeout = lbs_tx_timeout,
+ .ndo_set_multicast_list = lbs_set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/**
* @brief This function adds the card. it will probe the
* card, allocate the lbs_priv and initialize the device.
*/
struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
{
- struct net_device *dev = NULL;
+ struct net_device *dev;
+ struct wireless_dev *wdev;
struct lbs_private *priv = NULL;
- lbs_deb_enter(LBS_DEB_NET);
+ lbs_deb_enter(LBS_DEB_MAIN);
/* Allocate an Ethernet device and register it */
- dev = alloc_etherdev(sizeof(struct lbs_private));
- if (!dev) {
- lbs_pr_err("init ethX device failed\n");
+ wdev = lbs_cfg_alloc(dmdev);
+ if (IS_ERR(wdev)) {
+ lbs_pr_err("cfg80211 init failed\n");
goto done;
}
- priv = dev->priv;
+ /* TODO? */
+ wdev->iftype = NL80211_IFTYPE_STATION;
+ priv = wdev_priv(wdev);
+ priv->wdev = wdev;
if (lbs_init_adapter(priv)) {
lbs_pr_err("failed to initialize adapter structure.\n");
- goto err_init_adapter;
+ goto err_wdev;
+ }
+
+ //TODO? dev = alloc_netdev_mq(0, "wlan%d", ether_setup, IWM_TX_QUEUES);
+ dev = alloc_netdev(0, "wlan%d", ether_setup);
+ if (!dev) {
+ dev_err(dmdev, "no memory for network device instance\n");
+ goto err_adapter;
}
+ dev->ieee80211_ptr = wdev;
+ dev->ml_priv = priv;
+ SET_NETDEV_DEV(dev, dmdev);
+ wdev->netdev = dev;
priv->dev = dev;
- priv->card = card;
- priv->mesh_open = 0;
- priv->infra_open = 0;
- /* Setup the OS Interface to our functions */
- dev->open = lbs_open;
- dev->hard_start_xmit = lbs_hard_start_xmit;
- dev->stop = lbs_close;
- dev->set_mac_address = lbs_set_mac_address;
- dev->tx_timeout = lbs_tx_timeout;
- dev->get_stats = lbs_get_stats;
+ dev->netdev_ops = &lbs_netdev_ops;
dev->watchdog_timeo = 5 * HZ;
dev->ethtool_ops = &lbs_ethtool_ops;
#ifdef WIRELESS_EXT
- dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def;
+ dev->wireless_handlers = &lbs_handler_def;
#endif
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
- dev->set_multicast_list = lbs_set_multicast_list;
- SET_NETDEV_DEV(dev, dmdev);
+
+ // TODO: kzalloc + iwm_init_default_profile(iwm, iwm->umac_profile); ??
+
+
+ priv->card = card;
+ priv->infra_open = 0;
+
priv->rtap_net_dev = NULL;
+ strcpy(dev->name, "wlan%d");
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;
+ goto err_ndev;
}
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);
+ INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);
+ INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);
+
+ priv->mesh_open = 0;
+ sprintf(priv->mesh_ssid, "mesh");
+ priv->mesh_ssid_len = 4;
+
+ priv->wol_criteria = 0xffffffff;
+ priv->wol_gpio = 0xff;
goto done;
-err_init_adapter:
- lbs_free_adapter(priv);
+ err_ndev:
free_netdev(dev);
+
+ err_adapter:
+ lbs_free_adapter(priv);
+
+ err_wdev:
+ lbs_cfg_free(priv);
+
priv = NULL;
done:
- lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv);
+ lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
return priv;
}
EXPORT_SYMBOL_GPL(lbs_add_card);
-int lbs_remove_card(struct lbs_private *priv)
+void 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;
- device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
- cancel_delayed_work(&priv->scan_work);
- cancel_delayed_work(&priv->assoc_work);
+ cancel_delayed_work_sync(&priv->scan_work);
+ cancel_delayed_work_sync(&priv->assoc_work);
+ cancel_work_sync(&priv->mcast_work);
+
+ /* worker thread destruction blocks on the in-flight command which
+ * should have been cleared already in lbs_stop_card().
+ */
+ lbs_deb_main("destroying worker thread\n");
destroy_workqueue(priv->work_thread);
+ lbs_deb_main("done destroying worker thread\n");
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);
+ lbs_send_disconnect_notification(priv);
+
+ if (priv->is_deep_sleep) {
+ priv->is_deep_sleep = 0;
+ wake_up_interruptible(&priv->ds_awake_q);
+ }
/* Stop the thread servicing the interrupts */
priv->surpriseremoved = 1;
kthread_stop(priv->main_thread);
lbs_free_adapter(priv);
+ lbs_cfg_free(priv);
priv->dev = NULL;
free_netdev(dev);
lbs_deb_leave(LBS_DEB_MAIN);
- return 0;
}
EXPORT_SYMBOL_GPL(lbs_remove_card);
if (ret)
goto done;
- /* init 802.11d */
- lbs_init_11d(priv);
-
- if (register_netdev(dev)) {
- lbs_pr_err("cannot register ethX device\n");
+ if (lbs_cfg_register(priv)) {
+ lbs_pr_err("cannot register device\n");
goto done;
}
- if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
- lbs_pr_err("cannot register lbs_rtap attribute\n");
+
+ lbs_update_channel(priv);
+
+ /*
+ * While rtap isn't related to mesh, only mesh-enabled
+ * firmware implements the rtap functionality via
+ * CMD_802_11_MONITOR_MODE.
+ */
+ if (lbs_init_mesh(priv)) {
+ if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
+ lbs_pr_err("cannot register lbs_rtap attribute\n");
+ }
lbs_debugfs_init_one(priv, dev);
EXPORT_SYMBOL_GPL(lbs_start_card);
-int lbs_stop_card(struct lbs_private *priv)
+void lbs_stop_card(struct lbs_private *priv)
{
- struct net_device *dev = priv->dev;
- int ret = -1;
+ struct net_device *dev;
struct cmd_ctrl_node *cmdnode;
unsigned long flags;
lbs_deb_enter(LBS_DEB_MAIN);
- netif_stop_queue(priv->dev);
- netif_carrier_off(priv->dev);
+ if (!priv)
+ goto out;
+ dev = priv->dev;
+
+ netif_stop_queue(dev);
+ netif_carrier_off(dev);
lbs_debugfs_remove_one(priv);
+ if (lbs_deinit_mesh(priv))
+ device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
+
+ /* Delete the timeout of the currently processing command */
+ del_timer_sync(&priv->command_timer);
+ del_timer_sync(&priv->auto_deepsleep_timer);
/* Flush pending command nodes */
spin_lock_irqsave(&priv->driver_lock, flags);
+ lbs_deb_main("clearing pending commands\n");
list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
+ cmdnode->result = -ENOENT;
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
- */
-int lbs_add_mesh(struct lbs_private *priv, struct device *dev)
-{
- 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_mesh_open;
- mesh_dev->hard_start_xmit = lbs_hard_start_xmit;
- mesh_dev->stop = lbs_mesh_close;
- 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, dev);
-
-#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;
+ /* Flush the command the card is currently processing */
+ if (priv->cur_cmd) {
+ lbs_deb_main("clearing current command\n");
+ priv->cur_cmd->result = -ENOENT;
+ priv->cur_cmd->cmdwaitqwoken = 1;
+ wake_up_interruptible(&priv->cur_cmd->cmdwait_q);
}
+ lbs_deb_main("done clearing commands\n");
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
- 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);
-
-
-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;
-
- 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);
+ unregister_netdev(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);
+EXPORT_SYMBOL_GPL(lbs_stop_card);
- 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;
- }
- }
+void lbs_queue_event(struct lbs_private *priv, u32 event)
+{
+ unsigned long flags;
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
- return NULL;
-}
+ lbs_deb_enter(LBS_DEB_THREAD);
+ spin_lock_irqsave(&priv->driver_lock, flags);
-int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
-{
- int ret = 0;
- int i = 0;
+ if (priv->psstate == PS_STATE_SLEEP)
+ priv->psstate = PS_STATE_AWAKE;
- struct chan_freq_power *cfp;
- int cfp_no;
+ __kfifo_put(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
- lbs_deb_enter(LBS_DEB_MAIN);
+ wake_up_interruptible(&priv->waitq);
- 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;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbs_deb_leave(LBS_DEB_THREAD);
}
+EXPORT_SYMBOL_GPL(lbs_queue_event);
-/**
- * @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 net_device *dev)
+void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx)
{
- struct lbs_private *priv = dev->priv;
-
lbs_deb_enter(LBS_DEB_THREAD);
- lbs_deb_thread("lbs_interrupt: intcounter=%d\n",
- priv->intcounter);
-
- priv->intcounter++;
-
- if (priv->psstate == PS_STATE_SLEEP) {
+ if (priv->psstate == PS_STATE_SLEEP)
priv->psstate = PS_STATE_AWAKE;
- netif_wake_queue(dev);
- if (priv->mesh_dev)
- netif_wake_queue(priv->mesh_dev);
- }
+
+ /* Swap buffers by flipping the response index */
+ BUG_ON(resp_idx > 1);
+ priv->resp_idx = resp_idx;
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);
+EXPORT_SYMBOL_GPL(lbs_notify_command_response);
static int __init lbs_init_module(void)
{
lbs_deb_enter(LBS_DEB_MAIN);
+ memset(&confirm_sleep, 0, sizeof(confirm_sleep));
+ confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE);
+ confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep));
+ confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
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);
}
static int lbs_rtap_open(struct net_device *dev)
{
- netif_carrier_off(dev);
- netif_stop_queue(dev);
- return 0;
+ /* Yes, _stop_ the queue. Because we don't support injection */
+ lbs_deb_enter(LBS_DEB_MAIN);
+ netif_carrier_off(dev);
+ netif_stop_queue(dev);
+ lbs_deb_leave(LBS_DEB_LEAVE);
+ 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 -EOPNOTSUPP;
+ lbs_deb_enter(LBS_DEB_MAIN);
+ lbs_deb_leave(LBS_DEB_MAIN);
+ return 0;
}
-static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev)
+static netdev_tx_t lbs_rtap_hard_start_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
- struct lbs_private *priv = dev->priv;
- return &priv->stats;
+ netif_stop_queue(dev);
+ return NETDEV_TX_BUSY;
}
-
-void lbs_remove_rtap(struct lbs_private *priv)
+static void lbs_remove_rtap(struct lbs_private *priv)
{
+ lbs_deb_enter(LBS_DEB_MAIN);
if (priv->rtap_net_dev == NULL)
- return;
+ goto out;
unregister_netdev(priv->rtap_net_dev);
free_netdev(priv->rtap_net_dev);
priv->rtap_net_dev = NULL;
+out:
+ lbs_deb_leave(LBS_DEB_MAIN);
}
-int lbs_add_rtap(struct lbs_private *priv)
+static const struct net_device_ops rtap_netdev_ops = {
+ .ndo_open = lbs_rtap_open,
+ .ndo_stop = lbs_rtap_stop,
+ .ndo_start_xmit = lbs_rtap_hard_start_xmit,
+};
+
+static int lbs_add_rtap(struct lbs_private *priv)
{
- int rc = 0;
+ int ret = 0;
struct net_device *rtap_dev;
- if (priv->rtap_net_dev)
- return -EPERM;
+ lbs_deb_enter(LBS_DEB_MAIN);
+ if (priv->rtap_net_dev) {
+ ret = -EPERM;
+ goto out;
+ }
rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
- if (rtap_dev == NULL)
- return -ENOMEM;
+ if (rtap_dev == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
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) {
+ rtap_dev->netdev_ops = &rtap_netdev_ops;
+ rtap_dev->ml_priv = priv;
+ SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);
+
+ ret = register_netdev(rtap_dev);
+ if (ret) {
free_netdev(rtap_dev);
- return rc;
+ goto out;
}
priv->rtap_net_dev = rtap_dev;
- return 0;
+out:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
}
-
module_init(lbs_init_module);
module_exit(lbs_exit_module);