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path: root/drivers/net/wireless/ath/ar5523/ar5523.c
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Diffstat (limited to 'drivers/net/wireless/ath/ar5523/ar5523.c')
-rw-r--r--drivers/net/wireless/ath/ar5523/ar5523.c127
1 files changed, 78 insertions, 49 deletions
diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index 17d7fece35d2..1230e6278f23 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -25,7 +25,6 @@
* that and only has minimal functionality.
*/
#include <linux/compiler.h>
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/list.h>
@@ -75,7 +74,7 @@ static void ar5523_read_reply(struct ar5523 *ar, struct ar5523_cmd_hdr *hdr,
if (cmd->odata) {
if (cmd->olen < olen) {
- ar5523_err(ar, "olen to small %d < %d\n",
+ ar5523_err(ar, "olen too small %d < %d\n",
cmd->olen, olen);
cmd->olen = 0;
cmd->res = -EOVERFLOW;
@@ -105,7 +104,7 @@ static void ar5523_cmd_rx_cb(struct urb *urb)
}
if (urb->actual_length < sizeof(struct ar5523_cmd_hdr)) {
- ar5523_err(ar, "RX USB to short.\n");
+ ar5523_err(ar, "RX USB too short.\n");
goto skip;
}
@@ -154,6 +153,10 @@ static void ar5523_cmd_rx_cb(struct urb *urb)
ar5523_err(ar, "Invalid reply to WDCMSG_TARGET_START");
return;
}
+ if (!cmd->odata) {
+ ar5523_err(ar, "Unexpected WDCMSG_TARGET_START reply");
+ return;
+ }
memcpy(cmd->odata, hdr + 1, sizeof(u32));
cmd->olen = sizeof(u32);
cmd->res = 0;
@@ -238,6 +241,11 @@ static void ar5523_cmd_tx_cb(struct urb *urb)
}
}
+static void ar5523_cancel_tx_cmd(struct ar5523 *ar)
+{
+ usb_kill_urb(ar->tx_cmd.urb_tx);
+}
+
static int ar5523_cmd(struct ar5523 *ar, u32 code, const void *idata,
int ilen, void *odata, int olen, int flags)
{
@@ -248,7 +256,7 @@ static int ar5523_cmd(struct ar5523 *ar, u32 code, const void *idata,
/* always bulk-out a multiple of 4 bytes */
xferlen = (sizeof(struct ar5523_cmd_hdr) + ilen + 3) & ~3;
- hdr = (struct ar5523_cmd_hdr *)cmd->buf_tx;
+ hdr = cmd->buf_tx;
memset(hdr, 0, sizeof(struct ar5523_cmd_hdr));
hdr->len = cpu_to_be32(xferlen);
hdr->code = cpu_to_be32(code);
@@ -256,7 +264,8 @@ static int ar5523_cmd(struct ar5523 *ar, u32 code, const void *idata,
if (flags & AR5523_CMD_FLAG_MAGIC)
hdr->magic = cpu_to_be32(1 << 24);
- memcpy(hdr + 1, idata, ilen);
+ if (ilen)
+ memcpy(hdr + 1, idata, ilen);
cmd->odata = odata;
cmd->olen = olen;
@@ -276,6 +285,7 @@ static int ar5523_cmd(struct ar5523 *ar, u32 code, const void *idata,
}
if (!wait_for_completion_timeout(&cmd->done, 2 * HZ)) {
+ ar5523_cancel_tx_cmd(ar);
cmd->odata = NULL;
ar5523_err(ar, "timeout waiting for command %02x reply\n",
code);
@@ -707,10 +717,8 @@ static int ar5523_alloc_rx_bufs(struct ar5523 *ar)
data->ar = ar;
data->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!data->urb) {
- ar5523_err(ar, "could not allocate rx data urb\n");
+ if (!data->urb)
goto err;
- }
list_add_tail(&data->list, &ar->rx_data_free);
atomic_inc(&ar->rx_data_free_cnt);
}
@@ -725,7 +733,7 @@ static void ar5523_data_tx_pkt_put(struct ar5523 *ar)
{
atomic_dec(&ar->tx_nr_total);
if (!atomic_dec_return(&ar->tx_nr_pending)) {
- del_timer(&ar->tx_wd_timer);
+ timer_delete(&ar->tx_wd_timer);
wake_up(&ar->tx_flush_waitq);
}
@@ -780,8 +788,6 @@ static void ar5523_tx(struct ieee80211_hw *hw,
ieee80211_stop_queues(hw);
}
- data->skb = skb;
-
spin_lock_irqsave(&ar->tx_data_list_lock, flags);
list_add_tail(&data->list, &ar->tx_queue_pending);
spin_unlock_irqrestore(&ar->tx_data_list_lock, flags);
@@ -818,13 +824,15 @@ static void ar5523_tx_work_locked(struct ar5523 *ar)
if (!data)
break;
- skb = data->skb;
+ txi = container_of((void *)data, struct ieee80211_tx_info,
+ driver_data);
txqid = 0;
- txi = IEEE80211_SKB_CB(skb);
+
+ skb = container_of((void *)txi, struct sk_buff, cb);
paylen = skb->len;
+
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb) {
- ar5523_err(ar, "Failed to allocate TX urb\n");
ieee80211_free_txskb(ar->hw, skb);
continue;
}
@@ -832,8 +840,8 @@ static void ar5523_tx_work_locked(struct ar5523 *ar)
data->ar = ar;
data->urb = urb;
- desc = (struct ar5523_tx_desc *)skb_push(skb, sizeof(*desc));
- chunk = (struct ar5523_chunk *)skb_push(skb, sizeof(*chunk));
+ desc = skb_push(skb, sizeof(*desc));
+ chunk = skb_push(skb, sizeof(*chunk));
chunk->seqnum = 0;
chunk->flags = UATH_CFLAGS_FINAL;
@@ -892,9 +900,9 @@ static void ar5523_tx_work(struct work_struct *work)
mutex_unlock(&ar->mutex);
}
-static void ar5523_tx_wd_timer(unsigned long arg)
+static void ar5523_tx_wd_timer(struct timer_list *t)
{
- struct ar5523 *ar = (struct ar5523 *) arg;
+ struct ar5523 *ar = timer_container_of(ar, t, tx_wd_timer);
ar5523_dbg(ar, "TX watchdog timer triggered\n");
ieee80211_queue_work(ar->hw, &ar->tx_wd_work);
@@ -949,10 +957,8 @@ static int ar5523_alloc_tx_cmd(struct ar5523 *ar)
init_completion(&cmd->done);
cmd->urb_tx = usb_alloc_urb(0, GFP_KERNEL);
- if (!cmd->urb_tx) {
- ar5523_err(ar, "could not allocate urb\n");
+ if (!cmd->urb_tx)
return -ENOMEM;
- }
cmd->buf_tx = usb_alloc_coherent(ar->dev, AR5523_MAX_TXCMDSZ,
GFP_KERNEL,
&cmd->urb_tx->transfer_dma);
@@ -1055,7 +1061,7 @@ err:
return error;
}
-static void ar5523_stop(struct ieee80211_hw *hw)
+static void ar5523_stop(struct ieee80211_hw *hw, bool suspend)
{
struct ar5523 *ar = hw->priv;
@@ -1070,14 +1076,15 @@ static void ar5523_stop(struct ieee80211_hw *hw)
ar5523_cmd_write(ar, WDCMSG_TARGET_STOP, NULL, 0, 0);
- del_timer_sync(&ar->tx_wd_timer);
+ timer_delete_sync(&ar->tx_wd_timer);
cancel_work_sync(&ar->tx_wd_work);
cancel_work_sync(&ar->rx_refill_work);
ar5523_cancel_rx_bufs(ar);
mutex_unlock(&ar->mutex);
}
-static int ar5523_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+static int ar5523_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+ u32 value)
{
struct ar5523 *ar = hw->priv;
int ret;
@@ -1091,7 +1098,8 @@ static int ar5523_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
return ret;
}
-static void ar5523_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void ar5523_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u32 queues, bool drop)
{
struct ar5523 *ar = hw->priv;
@@ -1130,7 +1138,7 @@ static void ar5523_remove_interface(struct ieee80211_hw *hw,
ar->vif = NULL;
}
-static int ar5523_hwconfig(struct ieee80211_hw *hw, u32 changed)
+static int ar5523_hwconfig(struct ieee80211_hw *hw, int radio_idx, u32 changed)
{
struct ar5523 *ar = hw->priv;
@@ -1159,7 +1167,7 @@ static int ar5523_get_wlan_mode(struct ar5523 *ar,
ar5523_info(ar, "STA not found!\n");
return WLAN_MODE_11b;
}
- sta_rate_set = sta->supp_rates[ar->hw->conf.chandef.chan->band];
+ sta_rate_set = sta->deflink.supp_rates[ar->hw->conf.chandef.chan->band];
for (bit = 0; bit < band->n_bitrates; bit++) {
if (sta_rate_set & 1) {
@@ -1197,7 +1205,7 @@ static void ar5523_create_rateset(struct ar5523 *ar,
ar5523_info(ar, "STA not found. Cannot set rates\n");
sta_rate_set = bss_conf->basic_rates;
} else
- sta_rate_set = sta->supp_rates[ar->hw->conf.chandef.chan->band];
+ sta_rate_set = sta->deflink.supp_rates[ar->hw->conf.chandef.chan->band];
ar5523_dbg(ar, "sta rate_set = %08x\n", sta_rate_set);
@@ -1255,14 +1263,14 @@ static int ar5523_create_connection(struct ar5523 *ar,
sizeof(create), 0);
}
-static int ar5523_write_associd(struct ar5523 *ar,
- struct ieee80211_bss_conf *bss)
+static int ar5523_write_associd(struct ar5523 *ar, struct ieee80211_vif *vif)
{
+ struct ieee80211_bss_conf *bss = &vif->bss_conf;
struct ar5523_cmd_set_associd associd;
memset(&associd, 0, sizeof(associd));
associd.defaultrateix = cpu_to_be32(0); /* XXX */
- associd.associd = cpu_to_be32(bss->aid);
+ associd.associd = cpu_to_be32(vif->cfg.aid);
associd.timoffset = cpu_to_be32(0x3b); /* XXX */
memcpy(associd.bssid, bss->bssid, ETH_ALEN);
return ar5523_cmd_write(ar, WDCMSG_WRITE_ASSOCID, &associd,
@@ -1272,7 +1280,7 @@ static int ar5523_write_associd(struct ar5523 *ar,
static void ar5523_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss,
- u32 changed)
+ u64 changed)
{
struct ar5523 *ar = hw->priv;
int error;
@@ -1283,7 +1291,7 @@ static void ar5523_bss_info_changed(struct ieee80211_hw *hw,
if (!(changed & BSS_CHANGED_ASSOC))
goto out_unlock;
- if (bss->assoc) {
+ if (vif->cfg.assoc) {
error = ar5523_create_connection(ar, vif, bss);
if (error) {
ar5523_err(ar, "could not create connection\n");
@@ -1296,7 +1304,7 @@ static void ar5523_bss_info_changed(struct ieee80211_hw *hw,
goto out_unlock;
}
- error = ar5523_write_associd(ar, bss);
+ error = ar5523_write_associd(ar, vif);
if (error) {
ar5523_err(ar, "could not set association\n");
goto out_unlock;
@@ -1318,8 +1326,7 @@ out_unlock:
}
-#define AR5523_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
- FIF_ALLMULTI | \
+#define AR5523_SUPPORTED_FILTERS (FIF_ALLMULTI | \
FIF_FCSFAIL | \
FIF_OTHER_BSS)
@@ -1352,9 +1359,14 @@ static void ar5523_configure_filter(struct ieee80211_hw *hw,
}
static const struct ieee80211_ops ar5523_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,
.start = ar5523_start,
.stop = ar5523_stop,
.tx = ar5523_tx,
+ .wake_tx_queue = ieee80211_handle_wake_tx_queue,
.set_rts_threshold = ar5523_set_rts_threshold,
.add_interface = ar5523_add_interface,
.remove_interface = ar5523_remove_interface,
@@ -1471,12 +1483,12 @@ static int ar5523_init_modes(struct ar5523 *ar)
memcpy(ar->channels, ar5523_channels, sizeof(ar5523_channels));
memcpy(ar->rates, ar5523_rates, sizeof(ar5523_rates));
- ar->band.band = IEEE80211_BAND_2GHZ;
+ ar->band.band = NL80211_BAND_2GHZ;
ar->band.channels = ar->channels;
ar->band.n_channels = ARRAY_SIZE(ar5523_channels);
ar->band.bitrates = ar->rates;
ar->band.n_bitrates = ARRAY_SIZE(ar5523_rates);
- ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &ar->band;
+ ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = &ar->band;
return 0;
}
@@ -1500,7 +1512,7 @@ static int ar5523_load_firmware(struct usb_device *dev)
return -ENOENT;
}
- txblock = kmalloc(sizeof(*txblock), GFP_KERNEL);
+ txblock = kzalloc(sizeof(*txblock), GFP_KERNEL);
if (!txblock)
goto out;
@@ -1512,7 +1524,6 @@ static int ar5523_load_firmware(struct usb_device *dev)
if (!fwbuf)
goto out_free_rxblock;
- memset(txblock, 0, sizeof(struct ar5523_fwblock));
txblock->flags = cpu_to_be32(AR5523_WRITE_BLOCK);
txblock->total = cpu_to_be32(fw->size);
@@ -1584,6 +1595,20 @@ static int ar5523_probe(struct usb_interface *intf,
struct ar5523 *ar;
int error = -ENOMEM;
+ static const u8 bulk_ep_addr[] = {
+ AR5523_CMD_TX_PIPE | USB_DIR_OUT,
+ AR5523_DATA_TX_PIPE | USB_DIR_OUT,
+ AR5523_CMD_RX_PIPE | USB_DIR_IN,
+ AR5523_DATA_RX_PIPE | USB_DIR_IN,
+ 0};
+
+ if (!usb_check_bulk_endpoints(intf, bulk_ep_addr)) {
+ dev_err(&dev->dev,
+ "Could not find all expected endpoints\n");
+ error = -ENODEV;
+ goto out;
+ }
+
/*
* Load firmware if the device requires it. This will return
* -ENXIO on success and we'll get called back afer the usb
@@ -1604,8 +1629,7 @@ static int ar5523_probe(struct usb_interface *intf,
mutex_init(&ar->mutex);
INIT_DELAYED_WORK(&ar->stat_work, ar5523_stat_work);
- init_timer(&ar->tx_wd_timer);
- setup_timer(&ar->tx_wd_timer, ar5523_tx_wd_timer, (unsigned long) ar);
+ timer_setup(&ar->tx_wd_timer, ar5523_tx_wd_timer, 0);
INIT_WORK(&ar->tx_wd_work, ar5523_tx_wd_work);
INIT_WORK(&ar->tx_work, ar5523_tx_work);
INIT_LIST_HEAD(&ar->tx_queue_pending);
@@ -1682,9 +1706,9 @@ static int ar5523_probe(struct usb_interface *intf,
(id->driver_info & AR5523_FLAG_ABG) ? '5' : '2');
ar->vif = NULL;
- hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_HAS_RATE_CONTROL;
+ ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(hw, RX_INCLUDES_FCS);
+ ieee80211_hw_set(hw, SIGNAL_DBM);
hw->extra_tx_headroom = sizeof(struct ar5523_tx_desc) +
sizeof(struct ar5523_chunk);
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
@@ -1694,6 +1718,8 @@ static int ar5523_probe(struct usb_interface *intf,
if (error)
goto out_cancel_rx_cmd;
+ wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+
usb_set_intfdata(intf, hw);
error = ieee80211_register_hw(hw);
@@ -1752,7 +1778,7 @@ static void ar5523_disconnect(struct usb_interface *intf)
{ USB_DEVICE((vendor), (device) + 1), \
.driver_info = AR5523_FLAG_ABG|AR5523_FLAG_PRE_FIRMWARE }
-static struct usb_device_id ar5523_id_table[] = {
+static const struct usb_device_id ar5523_id_table[] = {
AR5523_DEVICE_UG(0x168c, 0x0001), /* Atheros / AR5523 */
AR5523_DEVICE_UG(0x0cf3, 0x0001), /* Atheros2 / AR5523_1 */
AR5523_DEVICE_UG(0x0cf3, 0x0003), /* Atheros2 / AR5523_2 */
@@ -1762,9 +1788,10 @@ static struct usb_device_id ar5523_id_table[] = {
AR5523_DEVICE_UX(0x2001, 0x3a00), /* Dlink / DWLAG132 */
AR5523_DEVICE_UG(0x2001, 0x3a02), /* Dlink / DWLG132 */
AR5523_DEVICE_UX(0x2001, 0x3a04), /* Dlink / DWLAG122 */
+ AR5523_DEVICE_UG(0x07d1, 0x3a07), /* D-Link / WUA-2340 rev A1 */
AR5523_DEVICE_UG(0x1690, 0x0712), /* Gigaset / AR5523 */
AR5523_DEVICE_UG(0x1690, 0x0710), /* Gigaset / SMCWUSBTG */
- AR5523_DEVICE_UG(0x129b, 0x160c), /* Gigaset / USB stick 108
+ AR5523_DEVICE_UG(0x129b, 0x160b), /* Gigaset / USB stick 108
(CyberTAN Technology) */
AR5523_DEVICE_UG(0x16ab, 0x7801), /* Globalsun / AR5523_1 */
AR5523_DEVICE_UX(0x16ab, 0x7811), /* Globalsun / AR5523_2 */
@@ -1772,9 +1799,10 @@ static struct usb_device_id ar5523_id_table[] = {
AR5523_DEVICE_UX(0x0846, 0x4300), /* Netgear / WG111U */
AR5523_DEVICE_UG(0x0846, 0x4250), /* Netgear / WG111T */
AR5523_DEVICE_UG(0x0846, 0x5f00), /* Netgear / WPN111 */
- AR5523_DEVICE_UG(0x157e, 0x3006), /* Umedia / AR5523_1 */
+ AR5523_DEVICE_UG(0x083a, 0x4506), /* SMC / EZ Connect
+ SMCWUSBT-G2 */
+ AR5523_DEVICE_UG(0x157e, 0x3006), /* Umedia / AR5523_1, TEW444UBEU*/
AR5523_DEVICE_UX(0x157e, 0x3205), /* Umedia / AR5523_2 */
- AR5523_DEVICE_UG(0x157e, 0x3006), /* Umedia / TEW444UBEU */
AR5523_DEVICE_UG(0x1435, 0x0826), /* Wistronneweb / AR5523_1 */
AR5523_DEVICE_UX(0x1435, 0x0828), /* Wistronneweb / AR5523_2 */
AR5523_DEVICE_UG(0x0cde, 0x0012), /* Zcom / AR5523 */
@@ -1794,5 +1822,6 @@ static struct usb_driver ar5523_driver = {
module_usb_driver(ar5523_driver);
+MODULE_DESCRIPTION("Atheros AR5523 wireless driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_FIRMWARE(AR5523_FIRMWARE_FILE);
generated by cgit (git 2.34.1) at 2025-12-26 05:32:49 +0000