summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/atmel/at76c50x-usb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/atmel/at76c50x-usb.c')
-rw-r--r--drivers/net/wireless/atmel/at76c50x-usb.c109
1 files changed, 50 insertions, 59 deletions
diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c
index e99e766a3028..aa683eacaf38 100644
--- a/drivers/net/wireless/atmel/at76c50x-usb.c
+++ b/drivers/net/wireless/atmel/at76c50x-usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* at76c503/at76c505 USB driver
*
@@ -9,20 +10,14 @@
* Copyright (c) 2007 Kalle Valo <kalle.valo@iki.fi>
* Copyright (c) 2010 Sebastian Smolorz <sesmo@gmx.net>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This file is part of the Berlios driver for WLAN USB devices based on the
+ * This file is part of the Berlios driver for USB WLAN devices based on the
* Atmel AT76C503A/505/505A.
*
* Some iw_handler code was taken from airo.c, (C) 1999 Benjamin Reed
*
* TODO list is at the wiki:
*
- * http://wireless.kernel.org/en/users/Drivers/at76c50x-usb#TODO
- *
+ * https://wireless.wiki.kernel.org/en/users/Drivers/at76c50x-usb#TODO
*/
#include <linux/init.h>
@@ -106,7 +101,7 @@ do { \
static uint at76_debug = DBG_DEFAULTS;
/* Protect against concurrent firmware loading and parsing */
-static struct mutex fw_mutex;
+static DEFINE_MUTEX(fw_mutex);
static struct fwentry firmwares[] = {
[0] = { "" },
@@ -148,7 +143,7 @@ static const struct usb_device_id dev_table[] = {
{ USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* Dynalink/Askey WLL013 (intersil) */
{ USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861) },
- /* EZ connect 11Mpbs Wireless USB Adapter SMC2662W v1 */
+ /* EZ connect 11Mpbs USB Wireless Adapter SMC2662W v1 */
{ USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861) },
/* BenQ AWL300 */
{ USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861) },
@@ -200,7 +195,7 @@ static const struct usb_device_id dev_table[] = {
{ USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503) },
/* 3Com 3CRSHEW696 */
{ USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503) },
- /* Siemens Santis ADSL WLAN USB adapter WLL 013 */
+ /* Siemens Santis ADSL USB WLAN adapter WLL 013 */
{ USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503) },
/* Belkin F5D6050, version 2 */
{ USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503) },
@@ -243,7 +238,7 @@ static const struct usb_device_id dev_table[] = {
{ USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958) },
/* Xterasys XN-2122B, IBlitzz BWU613B/BWU613SB */
{ USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958) },
- /* Corega WLAN USB Stick 11 */
+ /* Corega USB WLAN Stick 11 */
{ USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958) },
/* Microstar MSI Box MS6978 */
{ USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958) },
@@ -337,7 +332,7 @@ static int at76_dfu_get_status(struct usb_device *udev,
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), DFU_GETSTATUS,
USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,
- 0, 0, status, sizeof(struct dfu_status),
+ 0, 0, status, sizeof(*status),
USB_CTRL_GET_TIMEOUT);
return ret;
}
@@ -371,7 +366,7 @@ static int at76_usbdfu_download(struct usb_device *udev, u8 *buf, u32 size,
u32 dfu_timeout = 0;
int bsize = 0;
int blockno = 0;
- struct dfu_status *dfu_stat_buf = NULL;
+ struct dfu_status *dfu_stat_buf;
u8 *dfu_state = NULL;
u8 *block = NULL;
@@ -383,7 +378,7 @@ static int at76_usbdfu_download(struct usb_device *udev, u8 *buf, u32 size,
return -EINVAL;
}
- dfu_stat_buf = kmalloc(sizeof(struct dfu_status), GFP_KERNEL);
+ dfu_stat_buf = kmalloc(sizeof(*dfu_stat_buf), GFP_KERNEL);
if (!dfu_stat_buf) {
ret = -ENOMEM;
goto exit;
@@ -437,7 +432,7 @@ static int at76_usbdfu_download(struct usb_device *udev, u8 *buf, u32 size,
case STATE_DFU_DOWNLOAD_IDLE:
at76_dbg(DBG_DFU, "DOWNLOAD...");
- /* fall through */
+ fallthrough;
case STATE_DFU_IDLE:
at76_dbg(DBG_DFU, "DFU IDLE");
@@ -726,9 +721,11 @@ static int at76_set_card_command(struct usb_device *udev, u8 cmd, void *buf,
int buf_size)
{
int ret;
- struct at76_command *cmd_buf = kmalloc(sizeof(struct at76_command) +
- buf_size, GFP_KERNEL);
+ size_t total_size;
+ struct at76_command *cmd_buf;
+ total_size = struct_size(cmd_buf, data, buf_size);
+ cmd_buf = kmalloc(total_size, GFP_KERNEL);
if (!cmd_buf)
return -ENOMEM;
@@ -737,15 +734,13 @@ static int at76_set_card_command(struct usb_device *udev, u8 cmd, void *buf,
cmd_buf->size = cpu_to_le16(buf_size);
memcpy(cmd_buf->data, buf, buf_size);
- at76_dbg_dump(DBG_CMD, cmd_buf, sizeof(struct at76_command) + buf_size,
+ at76_dbg_dump(DBG_CMD, cmd_buf, total_size,
"issuing command %s (0x%02x)",
at76_get_cmd_string(cmd), cmd);
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e,
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
- 0, 0, cmd_buf,
- sizeof(struct at76_command) + buf_size,
- USB_CTRL_GET_TIMEOUT);
+ 0, 0, cmd_buf, total_size, USB_CTRL_GET_TIMEOUT);
kfree(cmd_buf);
return ret;
}
@@ -936,14 +931,12 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv)
{
int i;
int ret;
- struct mib_mac_addr *m = kmalloc(sizeof(struct mib_mac_addr),
- GFP_KERNEL);
+ struct mib_mac_addr *m = kmalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return;
- ret = at76_get_mib(priv->udev, MIB_MAC_ADDR, m,
- sizeof(struct mib_mac_addr));
+ ret = at76_get_mib(priv->udev, MIB_MAC_ADDR, m, sizeof(*m));
if (ret < 0) {
wiphy_err(priv->hw->wiphy,
"at76_get_mib (MAC_ADDR) failed: %d\n", ret);
@@ -966,13 +959,12 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)
int i;
int ret;
int key_len;
- struct mib_mac_wep *m = kmalloc(sizeof(struct mib_mac_wep), GFP_KERNEL);
+ struct mib_mac_wep *m = kmalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return;
- ret = at76_get_mib(priv->udev, MIB_MAC_WEP, m,
- sizeof(struct mib_mac_wep));
+ ret = at76_get_mib(priv->udev, MIB_MAC_WEP, m, sizeof(*m));
if (ret < 0) {
wiphy_err(priv->hw->wiphy,
"at76_get_mib (MAC_WEP) failed: %d\n", ret);
@@ -1002,14 +994,12 @@ exit:
static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
{
int ret;
- struct mib_mac_mgmt *m = kmalloc(sizeof(struct mib_mac_mgmt),
- GFP_KERNEL);
+ struct mib_mac_mgmt *m = kmalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return;
- ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, m,
- sizeof(struct mib_mac_mgmt));
+ ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, m, sizeof(*m));
if (ret < 0) {
wiphy_err(priv->hw->wiphy,
"at76_get_mib (MAC_MGMT) failed: %d\n", ret);
@@ -1040,12 +1030,12 @@ exit:
static void at76_dump_mib_mac(struct at76_priv *priv)
{
int ret;
- struct mib_mac *m = kmalloc(sizeof(struct mib_mac), GFP_KERNEL);
+ struct mib_mac *m = kmalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return;
- ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac));
+ ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(*m));
if (ret < 0) {
wiphy_err(priv->hw->wiphy,
"at76_get_mib (MAC) failed: %d\n", ret);
@@ -1077,12 +1067,12 @@ exit:
static void at76_dump_mib_phy(struct at76_priv *priv)
{
int ret;
- struct mib_phy *m = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
+ struct mib_phy *m = kmalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return;
- ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy));
+ ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(*m));
if (ret < 0) {
wiphy_err(priv->hw->wiphy,
"at76_get_mib (PHY) failed: %d\n", ret);
@@ -1135,13 +1125,12 @@ exit:
static void at76_dump_mib_mdomain(struct at76_priv *priv)
{
int ret;
- struct mib_mdomain *m = kmalloc(sizeof(struct mib_mdomain), GFP_KERNEL);
+ struct mib_mdomain *m = kmalloc(sizeof(*m), GFP_KERNEL);
if (!m)
return;
- ret = at76_get_mib(priv->udev, MIB_MDOMAIN, m,
- sizeof(struct mib_mdomain));
+ ret = at76_get_mib(priv->udev, MIB_MDOMAIN, m, sizeof(*m));
if (ret < 0) {
wiphy_err(priv->hw->wiphy,
"at76_get_mib (MDOMAIN) failed: %d\n", ret);
@@ -1204,7 +1193,6 @@ static void at76_rx_callback(struct urb *urb)
{
struct at76_priv *priv = urb->context;
- priv->rx_tasklet.data = (unsigned long)urb;
tasklet_schedule(&priv->rx_tasklet);
}
@@ -1381,7 +1369,7 @@ static int at76_startup_device(struct at76_priv *priv)
priv->scan_min_time, priv->scan_max_time,
priv->scan_mode == SCAN_TYPE_ACTIVE ? "active" : "passive");
- memset(ccfg, 0, sizeof(struct at76_card_config));
+ memset(ccfg, 0, sizeof(*ccfg));
ccfg->promiscuous_mode = 0;
ccfg->short_retry_limit = priv->short_retry_limit;
@@ -1417,7 +1405,7 @@ static int at76_startup_device(struct at76_priv *priv)
ccfg->beacon_period = cpu_to_le16(priv->beacon_period);
ret = at76_set_card_command(priv->udev, CMD_STARTUP, &priv->card_config,
- sizeof(struct at76_card_config));
+ sizeof(*ccfg));
if (ret < 0) {
wiphy_err(priv->hw->wiphy, "at76_set_card_command failed: %d\n",
ret);
@@ -1550,10 +1538,10 @@ exit:
return ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
}
-static void at76_rx_tasklet(unsigned long param)
+static void at76_rx_tasklet(struct tasklet_struct *t)
{
- struct urb *urb = (struct urb *)param;
- struct at76_priv *priv = urb->context;
+ struct at76_priv *priv = from_tasklet(priv, t, rx_tasklet);
+ struct urb *urb = priv->rx_urb;
struct at76_rx_buffer *buf;
struct ieee80211_rx_status rx_status = { 0 };
@@ -1862,7 +1850,7 @@ error:
return 0;
}
-static void at76_mac80211_stop(struct ieee80211_hw *hw)
+static void at76_mac80211_stop(struct ieee80211_hw *hw, bool suspend)
{
struct at76_priv *priv = hw->priv;
@@ -2014,7 +2002,7 @@ exit:
return 0;
}
-static int at76_config(struct ieee80211_hw *hw, u32 changed)
+static int at76_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
{
struct at76_priv *priv = hw->priv;
@@ -2039,7 +2027,7 @@ static int at76_config(struct ieee80211_hw *hw, u32 changed)
static void at76_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *conf,
- u32 changed)
+ u64 changed)
{
struct at76_priv *priv = hw->priv;
@@ -2184,7 +2172,12 @@ static int at76_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
}
static const struct ieee80211_ops at76_ops = {
+ .add_chanctx = ieee80211_emulate_add_chanctx,
+ .remove_chanctx = ieee80211_emulate_remove_chanctx,
+ .change_chanctx = ieee80211_emulate_change_chanctx,
+ .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
.tx = at76_mac80211_tx,
+ .wake_tx_queue = ieee80211_handle_wake_tx_queue,
.add_interface = at76_add_interface,
.remove_interface = at76_remove_interface,
.config = at76_config,
@@ -2220,7 +2213,7 @@ static struct at76_priv *at76_alloc_new_device(struct usb_device *udev)
INIT_WORK(&priv->work_join_bssid, at76_work_join_bssid);
INIT_DELAYED_WORK(&priv->dwork_hw_scan, at76_dwork_hw_scan);
- tasklet_init(&priv->rx_tasklet, at76_rx_tasklet, 0);
+ tasklet_setup(&priv->rx_tasklet, at76_rx_tasklet);
priv->pm_mode = AT76_PM_OFF;
priv->pm_period = 0;
@@ -2241,7 +2234,7 @@ static int at76_alloc_urbs(struct at76_priv *priv,
at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__);
at76_dbg(DBG_URB, "%s: NumEndpoints %d ", __func__,
- interface->altsetting[0].desc.bNumEndpoints);
+ interface->cur_altsetting->desc.bNumEndpoints);
ep_in = NULL;
ep_out = NULL;
@@ -2424,7 +2417,7 @@ static void at76_delete_device(struct at76_priv *priv)
kfree(priv->bulk_out_buffer);
- del_timer_sync(&ledtrig_tx_timer);
+ timer_delete_sync(&ledtrig_tx_timer);
kfree_skb(priv->rx_skb);
@@ -2444,7 +2437,7 @@ static int at76_probe(struct usb_interface *interface,
struct usb_device *udev;
int op_mode;
int need_ext_fw = 0;
- struct mib_fw_version *fwv = NULL;
+ struct mib_fw_version *fwv;
int board_type = (int)id->driver_info;
udev = usb_get_dev(interface_to_usbdev(interface));
@@ -2532,7 +2525,7 @@ static int at76_probe(struct usb_interface *interface,
usb_set_intfdata(interface, priv);
- memcpy(&priv->fw_version, fwv, sizeof(struct mib_fw_version));
+ memcpy(&priv->fw_version, fwv, sizeof(*fwv));
priv->board_type = board_type;
ret = at76_init_new_device(priv, interface);
@@ -2559,7 +2552,7 @@ static void at76_disconnect(struct usb_interface *interface)
wiphy_info(priv->hw->wiphy, "disconnecting\n");
at76_delete_device(priv);
- usb_put_dev(priv->udev);
+ usb_put_dev(interface_to_usbdev(interface));
dev_info(&interface->dev, "disconnected\n");
}
@@ -2578,15 +2571,13 @@ static int __init at76_mod_init(void)
printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " loading\n");
- mutex_init(&fw_mutex);
-
/* register this driver with the USB subsystem */
result = usb_register(&at76_driver);
if (result < 0)
printk(KERN_ERR DRIVER_NAME
": usb_register failed (status %d)\n", result);
-
- led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
+ else
+ led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
return result;
}