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path: root/drivers/net/wireless/mwifiex/main.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/main.c')
-rw-r--r--drivers/net/wireless/mwifiex/main.c181
1 files changed, 108 insertions, 73 deletions
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 9d1b3ca6334..3192855c31c 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -58,22 +58,23 @@ static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops,
memmove(&adapter->if_ops, if_ops, sizeof(struct mwifiex_if_ops));
/* card specific initialization has been deferred until now .. */
- if (adapter->if_ops.init_if(adapter))
- goto error;
+ if (adapter->if_ops.init_if)
+ if (adapter->if_ops.init_if(adapter))
+ goto error;
adapter->priv_num = 0;
- /* Allocate memory for private structure */
- adapter->priv[0] = kzalloc(sizeof(struct mwifiex_private), GFP_KERNEL);
- if (!adapter->priv[0]) {
- dev_err(adapter->dev,
- "%s: failed to alloc priv[0]\n", __func__);
- goto error;
- }
-
- adapter->priv_num++;
+ for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
+ /* Allocate memory for private structure */
+ adapter->priv[i] =
+ kzalloc(sizeof(struct mwifiex_private), GFP_KERNEL);
+ if (!adapter->priv[i])
+ goto error;
- adapter->priv[0]->adapter = adapter;
+ adapter->priv[i]->adapter = adapter;
+ adapter->priv[i]->bss_priority = i;
+ adapter->priv_num++;
+ }
mwifiex_init_lock_list(adapter);
init_timer(&adapter->cmd_timer);
@@ -140,6 +141,7 @@ int mwifiex_main_process(struct mwifiex_adapter *adapter)
{
int ret = 0;
unsigned long flags;
+ struct sk_buff *skb;
spin_lock_irqsave(&adapter->main_proc_lock, flags);
@@ -161,7 +163,8 @@ process_start:
if (adapter->int_status) {
if (adapter->hs_activated)
mwifiex_process_hs_config(adapter);
- adapter->if_ops.process_int_status(adapter);
+ if (adapter->if_ops.process_int_status)
+ adapter->if_ops.process_int_status(adapter);
}
/* Need to wake up the card ? */
@@ -174,6 +177,7 @@ process_start:
adapter->if_ops.wakeup(adapter);
continue;
}
+
if (IS_CARD_RX_RCVD(adapter)) {
adapter->pm_wakeup_fw_try = false;
if (adapter->ps_state == PS_STATE_SLEEP)
@@ -194,6 +198,11 @@ process_start:
}
}
+ /* Check Rx data for USB */
+ if (adapter->iface_type == MWIFIEX_USB)
+ while ((skb = skb_dequeue(&adapter->usb_rx_data_q)))
+ mwifiex_handle_rx_packet(adapter, skb);
+
/* Check for Cmd Resp */
if (adapter->cmd_resp_received) {
adapter->cmd_resp_received = false;
@@ -292,33 +301,35 @@ static void mwifiex_free_adapter(struct mwifiex_adapter *adapter)
}
/*
- * This function initializes the hardware and firmware.
+ * This function gets firmware and initializes it.
*
* The main initialization steps followed are -
* - Download the correct firmware to card
- * - Allocate and initialize the adapter structure
- * - Initialize the private structures
* - Issue the init commands to firmware
*/
-static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter)
+static void mwifiex_fw_dpc(const struct firmware *firmware, void *context)
{
- int ret, err;
+ int ret;
+ char fmt[64];
+ struct mwifiex_private *priv;
+ struct mwifiex_adapter *adapter = context;
struct mwifiex_fw_image fw;
- memset(&fw, 0, sizeof(struct mwifiex_fw_image));
-
- err = request_firmware(&adapter->firmware, adapter->fw_name,
- adapter->dev);
- if (err < 0) {
- dev_err(adapter->dev, "request_firmware() returned"
- " error code %#x\n", err);
- ret = -1;
+ if (!firmware) {
+ dev_err(adapter->dev,
+ "Failed to get firmware %s\n", adapter->fw_name);
goto done;
}
+
+ memset(&fw, 0, sizeof(struct mwifiex_fw_image));
+ adapter->firmware = firmware;
fw.fw_buf = (u8 *) adapter->firmware->data;
fw.fw_len = adapter->firmware->size;
- ret = mwifiex_dnld_fw(adapter, &fw);
+ if (adapter->if_ops.dnld_fw)
+ ret = adapter->if_ops.dnld_fw(adapter, &fw);
+ else
+ ret = mwifiex_dnld_fw(adapter, &fw);
if (ret == -1)
goto done;
@@ -335,17 +346,61 @@ static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter)
/* Wait for mwifiex_init to complete */
wait_event_interruptible(adapter->init_wait_q,
adapter->init_wait_q_woken);
- if (adapter->hw_status != MWIFIEX_HW_STATUS_READY) {
- ret = -1;
+ if (adapter->hw_status != MWIFIEX_HW_STATUS_READY)
goto done;
+
+ priv = adapter->priv[MWIFIEX_BSS_ROLE_STA];
+ if (mwifiex_register_cfg80211(adapter)) {
+ dev_err(adapter->dev, "cannot register with cfg80211\n");
+ goto err_init_fw;
}
- ret = 0;
+ rtnl_lock();
+ /* Create station interface by default */
+ if (!mwifiex_add_virtual_intf(adapter->wiphy, "mlan%d",
+ NL80211_IFTYPE_STATION, NULL, NULL)) {
+ dev_err(adapter->dev, "cannot create default STA interface\n");
+ goto err_add_intf;
+ }
+
+ /* Create AP interface by default */
+ if (!mwifiex_add_virtual_intf(adapter->wiphy, "uap%d",
+ NL80211_IFTYPE_AP, NULL, NULL)) {
+ dev_err(adapter->dev, "cannot create default AP interface\n");
+ goto err_add_intf;
+ }
+ rtnl_unlock();
+
+ mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1);
+ dev_notice(adapter->dev, "driver_version = %s\n", fmt);
+ goto done;
+
+err_add_intf:
+ mwifiex_del_virtual_intf(adapter->wiphy, priv->netdev);
+ rtnl_unlock();
+err_init_fw:
+ pr_debug("info: %s: unregister device\n", __func__);
+ adapter->if_ops.unregister_dev(adapter);
done:
- if (adapter->firmware)
- release_firmware(adapter->firmware);
- if (ret)
- ret = -1;
+ release_firmware(adapter->firmware);
+ complete(&adapter->fw_load);
+ return;
+}
+
+/*
+ * This function initializes the hardware and gets firmware.
+ */
+static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter)
+{
+ int ret;
+
+ init_completion(&adapter->fw_load);
+ ret = request_firmware_nowait(THIS_MODULE, 1, adapter->fw_name,
+ adapter->dev, GFP_KERNEL, adapter,
+ mwifiex_fw_dpc);
+ if (ret < 0)
+ dev_err(adapter->dev,
+ "request_firmware_nowait() returned error %d\n", ret);
return ret;
}
@@ -585,6 +640,12 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv,
priv->current_key_index = 0;
priv->media_connected = false;
memset(&priv->nick_name, 0, sizeof(priv->nick_name));
+ memset(priv->mgmt_ie, 0,
+ sizeof(struct mwifiex_ie) * MAX_MGMT_IE_INDEX);
+ priv->beacon_idx = MWIFIEX_AUTO_IDX_MASK;
+ priv->proberesp_idx = MWIFIEX_AUTO_IDX_MASK;
+ priv->assocresp_idx = MWIFIEX_AUTO_IDX_MASK;
+ priv->rsn_idx = MWIFIEX_AUTO_IDX_MASK;
priv->num_tx_timeout = 0;
memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN);
}
@@ -650,8 +711,6 @@ mwifiex_add_card(void *card, struct semaphore *sem,
struct mwifiex_if_ops *if_ops, u8 iface_type)
{
struct mwifiex_adapter *adapter;
- char fmt[64];
- struct mwifiex_private *priv;
if (down_interruptible(sem))
goto exit_sem_err;
@@ -692,40 +751,13 @@ mwifiex_add_card(void *card, struct semaphore *sem,
goto err_init_fw;
}
- priv = adapter->priv[0];
-
- if (mwifiex_register_cfg80211(priv) != 0) {
- dev_err(adapter->dev, "cannot register netdevice"
- " with cfg80211\n");
- goto err_init_fw;
- }
-
- rtnl_lock();
- /* Create station interface by default */
- if (!mwifiex_add_virtual_intf(priv->wdev->wiphy, "mlan%d",
- NL80211_IFTYPE_STATION, NULL, NULL)) {
- rtnl_unlock();
- dev_err(adapter->dev, "cannot create default station"
- " interface\n");
- goto err_add_intf;
- }
-
- rtnl_unlock();
-
up(sem);
-
- mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1);
- dev_notice(adapter->dev, "driver_version = %s\n", fmt);
-
return 0;
-err_add_intf:
- rtnl_lock();
- mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev);
- rtnl_unlock();
err_init_fw:
pr_debug("info: %s: unregister device\n", __func__);
- adapter->if_ops.unregister_dev(adapter);
+ if (adapter->if_ops.unregister_dev)
+ adapter->if_ops.unregister_dev(adapter);
err_registerdev:
adapter->surprise_removed = true;
mwifiex_terminate_workqueue(adapter);
@@ -811,26 +843,29 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
rtnl_lock();
if (priv->wdev && priv->netdev)
- mwifiex_del_virtual_intf(priv->wdev->wiphy,
- priv->netdev);
+ mwifiex_del_virtual_intf(adapter->wiphy, priv->netdev);
rtnl_unlock();
}
priv = adapter->priv[0];
- if (!priv)
+ if (!priv || !priv->wdev)
goto exit_remove;
- if (priv->wdev) {
- wiphy_unregister(priv->wdev->wiphy);
- wiphy_free(priv->wdev->wiphy);
- kfree(priv->wdev);
+ wiphy_unregister(priv->wdev->wiphy);
+ wiphy_free(priv->wdev->wiphy);
+
+ for (i = 0; i < adapter->priv_num; i++) {
+ priv = adapter->priv[i];
+ if (priv)
+ kfree(priv->wdev);
}
mwifiex_terminate_workqueue(adapter);
/* Unregister device */
dev_dbg(adapter->dev, "info: unregister device\n");
- adapter->if_ops.unregister_dev(adapter);
+ if (adapter->if_ops.unregister_dev)
+ adapter->if_ops.unregister_dev(adapter);
/* Free adapter structure */
dev_dbg(adapter->dev, "info: free adapter\n");
mwifiex_free_adapter(adapter);