#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/wl12xx.h>
+#include <linux/sched.h>
#include "wl12xx.h"
#include "wl12xx_80211.h"
.tx_op_limit = 1504,
},
},
- .ap_max_tx_retries = 100,
+ .max_tx_retries = 100,
+ .ap_aging_period = 300,
.tid_conf_count = 4,
.tid_conf = {
[CONF_TX_AC_BE] = {
.fm_disturbed_band_margin = 0xff, /* default */
.swallow_clk_diff = 0xff, /* default */
},
+ .rx_streaming = {
+ .duration = 150,
+ .queues = 0x1,
+ .interval = 20,
+ .always = 0,
+ },
+ .fwlog = {
+ .mode = WL12XX_FWLOG_ON_DEMAND,
+ .mem_blocks = 2,
+ .severity = 0,
+ .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED,
+ .output = WL12XX_FWLOG_OUTPUT_HOST,
+ .threshold = 0,
+ },
.hci_io_ds = HCI_IO_DS_6MA,
};
+static char *fwlog_param;
+
static void __wl1271_op_remove_interface(struct wl1271 *wl,
bool reset_tx_queues);
static void wl1271_free_ap_keys(struct wl1271 *wl);
static DEFINE_MUTEX(wl_list_mutex);
static LIST_HEAD(wl_list);
+static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate)
+{
+ int ret;
+ if (operstate != IF_OPER_UP)
+ return 0;
+
+ if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags))
+ return 0;
+
+ ret = wl1271_cmd_set_sta_state(wl);
+ if (ret < 0)
+ return ret;
+
+ wl1271_info("Association completed.");
+ return 0;
+}
static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
void *arg)
{
if (ret < 0)
goto out;
- if ((dev->operstate == IF_OPER_UP) &&
- !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) {
- wl1271_cmd_set_sta_state(wl);
- wl1271_info("Association completed.");
- }
+ wl1271_check_operstate(wl, dev->operstate);
wl1271_ps_elp_sleep(wl);
return 0;
}
+static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable)
+{
+ int ret = 0;
+
+ /* we should hold wl->mutex */
+ ret = wl1271_acx_ps_rx_streaming(wl, enable);
+ if (ret < 0)
+ goto out;
+
+ if (enable)
+ set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags);
+ else
+ clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags);
+out:
+ return ret;
+}
+
+/*
+ * this function is being called when the rx_streaming interval
+ * has beed changed or rx_streaming should be disabled
+ */
+int wl1271_recalc_rx_streaming(struct wl1271 *wl)
+{
+ int ret = 0;
+ int period = wl->conf.rx_streaming.interval;
+
+ /* don't reconfigure if rx_streaming is disabled */
+ if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags))
+ goto out;
+
+ /* reconfigure/disable according to new streaming_period */
+ if (period &&
+ test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) &&
+ (wl->conf.rx_streaming.always ||
+ test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags)))
+ ret = wl1271_set_rx_streaming(wl, true);
+ else {
+ ret = wl1271_set_rx_streaming(wl, false);
+ /* don't cancel_work_sync since we might deadlock */
+ del_timer_sync(&wl->rx_streaming_timer);
+ }
+out:
+ return ret;
+}
+
+static void wl1271_rx_streaming_enable_work(struct work_struct *work)
+{
+ int ret;
+ struct wl1271 *wl =
+ container_of(work, struct wl1271, rx_streaming_enable_work);
+
+ mutex_lock(&wl->mutex);
+
+ if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) ||
+ !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) ||
+ (!wl->conf.rx_streaming.always &&
+ !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags)))
+ goto out;
+
+ if (!wl->conf.rx_streaming.interval)
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_set_rx_streaming(wl, true);
+ if (ret < 0)
+ goto out_sleep;
+
+ /* stop it after some time of inactivity */
+ mod_timer(&wl->rx_streaming_timer,
+ jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration));
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+}
+
+static void wl1271_rx_streaming_disable_work(struct work_struct *work)
+{
+ int ret;
+ struct wl1271 *wl =
+ container_of(work, struct wl1271, rx_streaming_disable_work);
+
+ mutex_lock(&wl->mutex);
+
+ if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags))
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_set_rx_streaming(wl, false);
+ if (ret)
+ goto out_sleep;
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+}
+
+static void wl1271_rx_streaming_timer(unsigned long data)
+{
+ struct wl1271 *wl = (struct wl1271 *)data;
+ ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work);
+}
+
static void wl1271_conf_init(struct wl1271 *wl)
{
/* apply driver default configuration */
memcpy(&wl->conf, &default_conf, sizeof(default_conf));
-}
+ /* Adjust settings according to optional module parameters */
+ if (fwlog_param) {
+ if (!strcmp(fwlog_param, "continuous")) {
+ wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS;
+ } else if (!strcmp(fwlog_param, "ondemand")) {
+ wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND;
+ } else if (!strcmp(fwlog_param, "dbgpins")) {
+ wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS;
+ wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS;
+ } else if (!strcmp(fwlog_param, "disable")) {
+ wl->conf.fwlog.mem_blocks = 0;
+ wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE;
+ } else {
+ wl1271_error("Unknown fwlog parameter %s", fwlog_param);
+ }
+ }
+}
static int wl1271_plt_init(struct wl1271 *wl)
{
}
}
+static u32 wl1271_tx_allocated_blocks(struct wl1271 *wl)
+{
+ int i;
+ u32 total_alloc_blocks = 0;
+
+ for (i = 0; i < NUM_TX_QUEUES; i++)
+ total_alloc_blocks += wl->tx_allocated_blocks[i];
+
+ return total_alloc_blocks;
+}
+
static void wl1271_fw_status(struct wl1271 *wl,
struct wl1271_fw_full_status *full_status)
{
struct wl1271_fw_common_status *status = &full_status->common;
struct timespec ts;
u32 old_tx_blk_count = wl->tx_blocks_available;
- u32 freed_blocks = 0;
+ u32 freed_blocks = 0, ac_freed_blocks;
int i;
if (wl->bss_type == BSS_TYPE_AP_BSS) {
/* update number of available TX blocks */
for (i = 0; i < NUM_TX_QUEUES; i++) {
- freed_blocks += le32_to_cpu(status->tx_released_blks[i]) -
- wl->tx_blocks_freed[i];
+ ac_freed_blocks = le32_to_cpu(status->tx_released_blks[i]) -
+ wl->tx_blocks_freed[i];
+ freed_blocks += ac_freed_blocks;
+
+ wl->tx_allocated_blocks[i] -= ac_freed_blocks;
wl->tx_blocks_freed[i] =
le32_to_cpu(status->tx_released_blks[i]);
}
- wl->tx_allocated_blocks -= freed_blocks;
-
if (wl->bss_type == BSS_TYPE_AP_BSS) {
/* Update num of allocated TX blocks per link and ps status */
wl1271_irq_update_links_status(wl, &full_status->ap);
wl->tx_blocks_available += freed_blocks;
} else {
- int avail = full_status->sta.tx_total - wl->tx_allocated_blocks;
+ int avail = full_status->sta.tx_total -
+ wl1271_tx_allocated_blocks(wl);
/*
* The FW might change the total number of TX memblocks before
/* Return sent skbs to the network stack */
while ((skb = skb_dequeue(&wl->deferred_tx_queue)))
- ieee80211_tx_status(wl->hw, skb);
+ ieee80211_tx_status_ni(wl->hw, skb);
}
static void wl1271_netstack_work(struct work_struct *work)
if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) {
wl1271_error("watchdog interrupt received! "
"starting recovery.");
- ieee80211_queue_work(wl->hw, &wl->recovery_work);
+ wl12xx_queue_recovery_work(wl);
/* restarting the chip. ignore any other interrupt. */
goto out;
/* Check if any tx blocks were freed */
spin_lock_irqsave(&wl->wl_lock, flags);
if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) &&
- wl->tx_queue_count) {
+ wl1271_tx_total_queue_count(wl) > 0) {
spin_unlock_irqrestore(&wl->wl_lock, flags);
/*
* In order to avoid starvation of the TX path,
/* In case TX was not handled here, queue TX work */
clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags);
if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) &&
- wl->tx_queue_count)
+ wl1271_tx_total_queue_count(wl) > 0)
ieee80211_queue_work(wl->hw, &wl->tx_work);
spin_unlock_irqrestore(&wl->wl_lock, flags);
return ret;
}
+void wl12xx_queue_recovery_work(struct wl1271 *wl)
+{
+ if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags))
+ ieee80211_queue_work(wl->hw, &wl->recovery_work);
+}
+
+size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen)
+{
+ size_t len = 0;
+
+ /* The FW log is a length-value list, find where the log end */
+ while (len < maxlen) {
+ if (memblock[len] == 0)
+ break;
+ if (len + memblock[len] + 1 > maxlen)
+ break;
+ len += memblock[len] + 1;
+ }
+
+ /* Make sure we have enough room */
+ len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size));
+
+ /* Fill the FW log file, consumed by the sysfs fwlog entry */
+ memcpy(wl->fwlog + wl->fwlog_size, memblock, len);
+ wl->fwlog_size += len;
+
+ return len;
+}
+
+static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
+{
+ u32 addr;
+ u32 first_addr;
+ u8 *block;
+
+ if ((wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) ||
+ (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) ||
+ (wl->conf.fwlog.mem_blocks == 0))
+ return;
+
+ wl1271_info("Reading FW panic log");
+
+ block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL);
+ if (!block)
+ return;
+
+ /*
+ * Make sure the chip is awake and the logger isn't active.
+ * This might fail if the firmware hanged.
+ */
+ if (!wl1271_ps_elp_wakeup(wl))
+ wl12xx_cmd_stop_fwlog(wl);
+
+ /* Read the first memory block address */
+ wl1271_fw_status(wl, wl->fw_status);
+ first_addr = __le32_to_cpu(wl->fw_status->sta.log_start_addr);
+ if (!first_addr)
+ goto out;
+
+ /* Traverse the memory blocks linked list */
+ addr = first_addr;
+ do {
+ memset(block, 0, WL12XX_HW_BLOCK_SIZE);
+ wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE,
+ false);
+
+ /*
+ * Memory blocks are linked to one another. The first 4 bytes
+ * of each memory block hold the hardware address of the next
+ * one. The last memory block points to the first one.
+ */
+ addr = __le32_to_cpup((__le32 *)block);
+ if (!wl12xx_copy_fwlog(wl, block + sizeof(addr),
+ WL12XX_HW_BLOCK_SIZE - sizeof(addr)))
+ break;
+ } while (addr && (addr != first_addr));
+
+ wake_up_interruptible(&wl->fwlog_waitq);
+
+out:
+ kfree(block);
+}
+
static void wl1271_recovery_work(struct work_struct *work)
{
struct wl1271 *wl =
if (wl->state != WL1271_STATE_ON)
goto out;
+ /* Avoid a recursive recovery */
+ set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags);
+
+ wl12xx_read_fwlog_panic(wl);
+
wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x",
wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4));
+ /*
+ * Advance security sequence number to overcome potential progress
+ * in the firmware during recovery. This doens't hurt if the network is
+ * not encrypted.
+ */
+ if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) ||
+ test_bit(WL1271_FLAG_AP_STARTED, &wl->flags))
+ wl->tx_security_seq += WL1271_TX_SQN_POST_RECOVERY_PADDING;
+
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
ieee80211_connection_loss(wl->vif);
/* reboot the chipset */
__wl1271_op_remove_interface(wl, false);
+
+ clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags);
+
ieee80211_restart_hw(wl->hw);
/*
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
- /* end-of-transaction flag should be set in wl127x AP mode */
+ /*
+ * 'end-of-transaction flag' and 'LPD mode flag'
+ * should be set in wl127x AP mode only
+ */
if (wl->bss_type == BSS_TYPE_AP_BSS)
- wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION;
+ wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION |
+ WL12XX_QUIRK_LPD_MODE);
ret = wl1271_setup(wl);
if (ret < 0)
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
+
if (wl1271_set_block_size(wl))
wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT;
break;
return ret;
}
-static unsigned int wl1271_get_fw_ver_quirks(struct wl1271 *wl)
-{
- unsigned int quirks = 0;
- unsigned int *fw_ver = wl->chip.fw_ver;
-
- /* Only for wl127x */
- if ((fw_ver[FW_VER_CHIP] == FW_VER_CHIP_WL127X) &&
- /* Check STA version */
- (((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) &&
- (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_STA_MIN)) ||
- /* Check AP version */
- ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) &&
- (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_AP_MIN))))
- quirks |= WL12XX_QUIRK_USE_2_SPARE_BLOCKS;
-
- return quirks;
-}
-
int wl1271_plt_start(struct wl1271 *wl)
{
int retries = WL1271_BOOT_RETRIES;
wl1271_notice("firmware booted in PLT mode (%s)",
wl->chip.fw_ver_str);
- /* Check if any quirks are needed with older fw versions */
- wl->quirks |= wl1271_get_fw_ver_quirks(wl);
goto out;
irq_disable:
{
struct wl1271 *wl = hw->priv;
unsigned long flags;
- int q;
+ int q, mapping;
u8 hlid = 0;
- q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
+ mapping = skb_get_queue_mapping(skb);
+ q = wl1271_tx_get_queue(mapping);
if (wl->bss_type == BSS_TYPE_AP_BSS)
hlid = wl1271_tx_get_hlid(skb);
spin_lock_irqsave(&wl->wl_lock, flags);
- wl->tx_queue_count++;
+ wl->tx_queue_count[q]++;
/*
* The workqueue is slow to process the tx_queue and we need stop
* the queue here, otherwise the queue will get too long.
*/
- if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
- wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
- ieee80211_stop_queues(wl->hw);
- set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
+ if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
+ wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q);
+ ieee80211_stop_queue(wl->hw, mapping);
+ set_bit(q, &wl->stopped_queues_map);
}
/* queue the packet */
int wl1271_tx_dummy_packet(struct wl1271 *wl)
{
unsigned long flags;
+ int q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet));
spin_lock_irqsave(&wl->wl_lock, flags);
set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags);
- wl->tx_queue_count++;
+ wl->tx_queue_count[q]++;
spin_unlock_irqrestore(&wl->wl_lock, flags);
/* The FW is low on RX memory blocks, so send the dummy packet asap */
};
#ifdef CONFIG_PM
-static int wl1271_configure_suspend(struct wl1271 *wl)
+static int wl1271_configure_suspend_sta(struct wl1271 *wl)
{
- int ret;
-
- if (wl->bss_type != BSS_TYPE_STA_BSS)
- return 0;
+ int ret = 0;
mutex_lock(&wl->mutex);
+ if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ goto out_unlock;
+
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out_unlock;
}
+static int wl1271_configure_suspend_ap(struct wl1271 *wl)
+{
+ int ret = 0;
+
+ mutex_lock(&wl->mutex);
+
+ if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags))
+ goto out_unlock;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out_unlock;
+
+ ret = wl1271_acx_set_ap_beacon_filter(wl, true);
+
+ wl1271_ps_elp_sleep(wl);
+out_unlock:
+ mutex_unlock(&wl->mutex);
+ return ret;
+
+}
+
+static int wl1271_configure_suspend(struct wl1271 *wl)
+{
+ if (wl->bss_type == BSS_TYPE_STA_BSS)
+ return wl1271_configure_suspend_sta(wl);
+ if (wl->bss_type == BSS_TYPE_AP_BSS)
+ return wl1271_configure_suspend_ap(wl);
+ return 0;
+}
+
static void wl1271_configure_resume(struct wl1271 *wl)
{
int ret;
+ bool is_sta = wl->bss_type == BSS_TYPE_STA_BSS;
+ bool is_ap = wl->bss_type == BSS_TYPE_AP_BSS;
- if (wl->bss_type != BSS_TYPE_STA_BSS)
+ if (!is_sta && !is_ap)
return;
mutex_lock(&wl->mutex);
if (ret < 0)
goto out;
- /* exit psm if it wasn't configured */
- if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags))
- wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
- wl->basic_rate, true);
+ if (is_sta) {
+ /* exit psm if it wasn't configured */
+ if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags))
+ wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
+ wl->basic_rate, true);
+ } else if (is_ap) {
+ wl1271_acx_set_ap_beacon_filter(wl, false);
+ }
wl1271_ps_elp_sleep(wl);
out:
struct cfg80211_wowlan *wow)
{
struct wl1271 *wl = hw->priv;
+ int ret;
+
wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow);
- wl->wow_enabled = !!wow;
- if (wl->wow_enabled) {
- int ret;
- ret = wl1271_configure_suspend(wl);
- if (ret < 0) {
- wl1271_warning("couldn't prepare device to suspend");
- return ret;
- }
- /* flush any remaining work */
- wl1271_debug(DEBUG_MAC80211, "flushing remaining works");
- flush_delayed_work(&wl->scan_complete_work);
+ WARN_ON(!wow || !wow->any);
- /*
- * disable and re-enable interrupts in order to flush
- * the threaded_irq
- */
- wl1271_disable_interrupts(wl);
+ wl->wow_enabled = true;
+ ret = wl1271_configure_suspend(wl);
+ if (ret < 0) {
+ wl1271_warning("couldn't prepare device to suspend");
+ return ret;
+ }
+ /* flush any remaining work */
+ wl1271_debug(DEBUG_MAC80211, "flushing remaining works");
- /*
- * set suspended flag to avoid triggering a new threaded_irq
- * work. no need for spinlock as interrupts are disabled.
- */
- set_bit(WL1271_FLAG_SUSPENDED, &wl->flags);
+ /*
+ * disable and re-enable interrupts in order to flush
+ * the threaded_irq
+ */
+ wl1271_disable_interrupts(wl);
+
+ /*
+ * set suspended flag to avoid triggering a new threaded_irq
+ * work. no need for spinlock as interrupts are disabled.
+ */
+ set_bit(WL1271_FLAG_SUSPENDED, &wl->flags);
+
+ wl1271_enable_interrupts(wl);
+ flush_work(&wl->tx_work);
+ flush_delayed_work(&wl->pspoll_work);
+ flush_delayed_work(&wl->elp_work);
- wl1271_enable_interrupts(wl);
- flush_work(&wl->tx_work);
- flush_delayed_work(&wl->pspoll_work);
- flush_delayed_work(&wl->elp_work);
- }
return 0;
}
static int wl1271_op_resume(struct ieee80211_hw *hw)
{
struct wl1271 *wl = hw->priv;
+ unsigned long flags;
+ bool run_irq_work = false;
+
wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d",
wl->wow_enabled);
+ WARN_ON(!wl->wow_enabled);
/*
* re-enable irq_work enqueuing, and call irq_work directly if
* there is a pending work.
*/
- if (wl->wow_enabled) {
- struct wl1271 *wl = hw->priv;
- unsigned long flags;
- bool run_irq_work = false;
-
- spin_lock_irqsave(&wl->wl_lock, flags);
- clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags);
- if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags))
- run_irq_work = true;
- spin_unlock_irqrestore(&wl->wl_lock, flags);
-
- if (run_irq_work) {
- wl1271_debug(DEBUG_MAC80211,
- "run postponed irq_work directly");
- wl1271_irq(0, wl);
- wl1271_enable_interrupts(wl);
- }
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags);
+ if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags))
+ run_irq_work = true;
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
- wl1271_configure_resume(wl);
+ if (run_irq_work) {
+ wl1271_debug(DEBUG_MAC80211,
+ "run postponed irq_work directly");
+ wl1271_irq(0, wl);
+ wl1271_enable_interrupts(wl);
}
+ wl1271_configure_resume(wl);
+ wl->wow_enabled = false;
return 0;
}
strncpy(wiphy->fw_version, wl->chip.fw_ver_str,
sizeof(wiphy->fw_version));
- /* Check if any quirks are needed with older fw versions */
- wl->quirks |= wl1271_get_fw_ver_quirks(wl);
-
/*
* Now we know if 11a is supported (info from the NVS), so disable
* 11a channels if not supported
cancel_delayed_work_sync(&wl->scan_complete_work);
cancel_work_sync(&wl->netstack_work);
cancel_work_sync(&wl->tx_work);
+ del_timer_sync(&wl->rx_streaming_timer);
+ cancel_work_sync(&wl->rx_streaming_enable_work);
+ cancel_work_sync(&wl->rx_streaming_disable_work);
cancel_delayed_work_sync(&wl->pspoll_work);
cancel_delayed_work_sync(&wl->elp_work);
wl->psm_entry_retry = 0;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->tx_blocks_available = 0;
- wl->tx_allocated_blocks = 0;
wl->tx_results_count = 0;
wl->tx_packets_count = 0;
- wl->tx_security_last_seq = 0;
- wl->tx_security_seq = 0;
wl->time_offset = 0;
wl->session_counter = 0;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
*/
wl->flags = 0;
- for (i = 0; i < NUM_TX_QUEUES; i++)
+ for (i = 0; i < NUM_TX_QUEUES; i++) {
wl->tx_blocks_freed[i] = 0;
+ wl->tx_allocated_blocks[i] = 0;
+ }
wl1271_debugfs_reset(wl);
clear_bit(WL1271_FLAG_JOINED, &wl->flags);
memset(wl->bssid, 0, ETH_ALEN);
+ /* reset TX security counters on a clean disconnect */
+ wl->tx_security_last_seq_lsb = 0;
+ wl->tx_security_seq = 0;
+
/* stop filtering packets based on bssid */
wl1271_configure_filters(wl, FIF_OTHER_BSS);
wl->channel = channel;
}
+ if ((changed & IEEE80211_CONF_CHANGE_POWER))
+ wl->power_level = conf->power_level;
+
goto out;
}
return ret;
}
+static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct wl1271 *wl = hw->priv;
+ int ret;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan");
+
+ mutex_lock(&wl->mutex);
+
+ if (wl->state == WL1271_STATE_OFF)
+ goto out;
+
+ if (wl->scan.state == WL1271_SCAN_STATE_IDLE)
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ if (wl->scan.state != WL1271_SCAN_STATE_DONE) {
+ ret = wl1271_scan_stop(wl);
+ if (ret < 0)
+ goto out_sleep;
+ }
+ wl->scan.state = WL1271_SCAN_STATE_IDLE;
+ memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
+ wl->scan.req = NULL;
+ ieee80211_scan_completed(wl->hw, true);
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+
+ cancel_delayed_work_sync(&wl->scan_complete_work);
+}
+
static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
}
}
- if (changed & BSS_CHANGED_IBSS) {
- wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d",
- bss_conf->ibss_joined);
-
- if (bss_conf->ibss_joined) {
- u32 rates = bss_conf->basic_rates;
- wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
- rates);
- wl->basic_rate = wl1271_tx_min_rate_get(wl);
-
- /* by default, use 11b rates */
- wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES;
- ret = wl1271_acx_sta_rate_policies(wl);
- if (ret < 0)
- goto out;
- }
- }
-
ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed);
if (ret < 0)
goto out;
}
}
+ if (changed & BSS_CHANGED_IBSS) {
+ wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d",
+ bss_conf->ibss_joined);
+
+ if (bss_conf->ibss_joined) {
+ u32 rates = bss_conf->basic_rates;
+ wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl,
+ rates);
+ wl->basic_rate = wl1271_tx_min_rate_get(wl);
+
+ /* by default, use 11b rates */
+ wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES;
+ ret = wl1271_acx_sta_rate_policies(wl);
+ if (ret < 0)
+ goto out;
+ }
+ }
+
ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed);
if (ret < 0)
goto out;
wl1271_warning("cmd join failed %d", ret);
goto out;
}
+ wl1271_check_operstate(wl, ieee80211_get_operstate(vif));
}
out:
__clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
}
+bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid)
+{
+ int id = hlid - WL1271_AP_STA_HLID_START;
+ return test_bit(id, wl->ap_hlid_map);
+}
+
static int wl1271_op_sta_add(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
if (ret < 0)
goto out;
+ wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d",
+ tid, action);
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
- if (wl->ba_support) {
+ if ((wl->ba_support) && (wl->ba_allowed)) {
ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn,
true);
if (!ret)
goto out;
/* packets are considered pending if in the TX queue or the FW */
- ret = (wl->tx_queue_count > 0) || (wl->tx_frames_cnt > 0);
+ ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0);
/* the above is appropriate for STA mode for PS purposes */
WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
/* 5 GHz band channels for WL1273 */
static struct ieee80211_channel wl1271_channels_5ghz[] = {
- { .hw_value = 7, .center_freq = 5035},
- { .hw_value = 8, .center_freq = 5040},
- { .hw_value = 9, .center_freq = 5045},
- { .hw_value = 11, .center_freq = 5055},
- { .hw_value = 12, .center_freq = 5060},
- { .hw_value = 16, .center_freq = 5080},
- { .hw_value = 34, .center_freq = 5170},
- { .hw_value = 36, .center_freq = 5180},
- { .hw_value = 38, .center_freq = 5190},
- { .hw_value = 40, .center_freq = 5200},
- { .hw_value = 42, .center_freq = 5210},
- { .hw_value = 44, .center_freq = 5220},
- { .hw_value = 46, .center_freq = 5230},
- { .hw_value = 48, .center_freq = 5240},
- { .hw_value = 52, .center_freq = 5260},
- { .hw_value = 56, .center_freq = 5280},
- { .hw_value = 60, .center_freq = 5300},
- { .hw_value = 64, .center_freq = 5320},
- { .hw_value = 100, .center_freq = 5500},
- { .hw_value = 104, .center_freq = 5520},
- { .hw_value = 108, .center_freq = 5540},
- { .hw_value = 112, .center_freq = 5560},
- { .hw_value = 116, .center_freq = 5580},
- { .hw_value = 120, .center_freq = 5600},
- { .hw_value = 124, .center_freq = 5620},
- { .hw_value = 128, .center_freq = 5640},
- { .hw_value = 132, .center_freq = 5660},
- { .hw_value = 136, .center_freq = 5680},
- { .hw_value = 140, .center_freq = 5700},
- { .hw_value = 149, .center_freq = 5745},
- { .hw_value = 153, .center_freq = 5765},
- { .hw_value = 157, .center_freq = 5785},
- { .hw_value = 161, .center_freq = 5805},
- { .hw_value = 165, .center_freq = 5825},
+ { .hw_value = 7, .center_freq = 5035, .max_power = 25 },
+ { .hw_value = 8, .center_freq = 5040, .max_power = 25 },
+ { .hw_value = 9, .center_freq = 5045, .max_power = 25 },
+ { .hw_value = 11, .center_freq = 5055, .max_power = 25 },
+ { .hw_value = 12, .center_freq = 5060, .max_power = 25 },
+ { .hw_value = 16, .center_freq = 5080, .max_power = 25 },
+ { .hw_value = 34, .center_freq = 5170, .max_power = 25 },
+ { .hw_value = 36, .center_freq = 5180, .max_power = 25 },
+ { .hw_value = 38, .center_freq = 5190, .max_power = 25 },
+ { .hw_value = 40, .center_freq = 5200, .max_power = 25 },
+ { .hw_value = 42, .center_freq = 5210, .max_power = 25 },
+ { .hw_value = 44, .center_freq = 5220, .max_power = 25 },
+ { .hw_value = 46, .center_freq = 5230, .max_power = 25 },
+ { .hw_value = 48, .center_freq = 5240, .max_power = 25 },
+ { .hw_value = 52, .center_freq = 5260, .max_power = 25 },
+ { .hw_value = 56, .center_freq = 5280, .max_power = 25 },
+ { .hw_value = 60, .center_freq = 5300, .max_power = 25 },
+ { .hw_value = 64, .center_freq = 5320, .max_power = 25 },
+ { .hw_value = 100, .center_freq = 5500, .max_power = 25 },
+ { .hw_value = 104, .center_freq = 5520, .max_power = 25 },
+ { .hw_value = 108, .center_freq = 5540, .max_power = 25 },
+ { .hw_value = 112, .center_freq = 5560, .max_power = 25 },
+ { .hw_value = 116, .center_freq = 5580, .max_power = 25 },
+ { .hw_value = 120, .center_freq = 5600, .max_power = 25 },
+ { .hw_value = 124, .center_freq = 5620, .max_power = 25 },
+ { .hw_value = 128, .center_freq = 5640, .max_power = 25 },
+ { .hw_value = 132, .center_freq = 5660, .max_power = 25 },
+ { .hw_value = 136, .center_freq = 5680, .max_power = 25 },
+ { .hw_value = 140, .center_freq = 5700, .max_power = 25 },
+ { .hw_value = 149, .center_freq = 5745, .max_power = 25 },
+ { .hw_value = 153, .center_freq = 5765, .max_power = 25 },
+ { .hw_value = 157, .center_freq = 5785, .max_power = 25 },
+ { .hw_value = 161, .center_freq = 5805, .max_power = 25 },
+ { .hw_value = 165, .center_freq = 5825, .max_power = 25 },
};
/* mapping to indexes for wl1271_rates_5ghz */
.tx = wl1271_op_tx,
.set_key = wl1271_op_set_key,
.hw_scan = wl1271_op_hw_scan,
+ .cancel_hw_scan = wl1271_op_cancel_hw_scan,
.sched_scan_start = wl1271_op_sched_scan_start,
.sched_scan_stop = wl1271_op_sched_scan_stop,
.bss_info_changed = wl1271_op_bss_info_changed,
static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR,
wl1271_sysfs_show_hw_pg_ver, NULL);
+static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buffer, loff_t pos, size_t count)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct wl1271 *wl = dev_get_drvdata(dev);
+ ssize_t len;
+ int ret;
+
+ ret = mutex_lock_interruptible(&wl->mutex);
+ if (ret < 0)
+ return -ERESTARTSYS;
+
+ /* Let only one thread read the log at a time, blocking others */
+ while (wl->fwlog_size == 0) {
+ DEFINE_WAIT(wait);
+
+ prepare_to_wait_exclusive(&wl->fwlog_waitq,
+ &wait,
+ TASK_INTERRUPTIBLE);
+
+ if (wl->fwlog_size != 0) {
+ finish_wait(&wl->fwlog_waitq, &wait);
+ break;
+ }
+
+ mutex_unlock(&wl->mutex);
+
+ schedule();
+ finish_wait(&wl->fwlog_waitq, &wait);
+
+ if (signal_pending(current))
+ return -ERESTARTSYS;
+
+ ret = mutex_lock_interruptible(&wl->mutex);
+ if (ret < 0)
+ return -ERESTARTSYS;
+ }
+
+ /* Check if the fwlog is still valid */
+ if (wl->fwlog_size < 0) {
+ mutex_unlock(&wl->mutex);
+ return 0;
+ }
+
+ /* Seeking is not supported - old logs are not kept. Disregard pos. */
+ len = min(count, (size_t)wl->fwlog_size);
+ wl->fwlog_size -= len;
+ memcpy(buffer, wl->fwlog, len);
+
+ /* Make room for new messages */
+ memmove(wl->fwlog, wl->fwlog + len, wl->fwlog_size);
+
+ mutex_unlock(&wl->mutex);
+
+ return len;
+}
+
+static struct bin_attribute fwlog_attr = {
+ .attr = {.name = "fwlog", .mode = S_IRUSR},
+ .read = wl1271_sysfs_read_fwlog,
+};
+
int wl1271_register_hw(struct wl1271 *wl)
{
int ret;
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
wl->hw->wiphy->max_scan_ssids = 1;
+ wl->hw->wiphy->max_sched_scan_ssids = 1;
/*
* Maximum length of elements in scanning probe request templates
* should be the maximum length possible for a template, without
INIT_WORK(&wl->tx_work, wl1271_tx_work);
INIT_WORK(&wl->recovery_work, wl1271_recovery_work);
INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work);
+ INIT_WORK(&wl->rx_streaming_enable_work,
+ wl1271_rx_streaming_enable_work);
+ INIT_WORK(&wl->rx_streaming_disable_work,
+ wl1271_rx_streaming_disable_work);
+
+ wl->freezable_wq = create_freezable_workqueue("wl12xx_wq");
+ if (!wl->freezable_wq) {
+ ret = -ENOMEM;
+ goto err_hw;
+ }
+
wl->channel = WL1271_DEFAULT_CHANNEL;
wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
wl->default_key = 0;
wl->quirks = 0;
wl->platform_quirks = 0;
wl->sched_scanning = false;
+ wl->tx_security_seq = 0;
+ wl->tx_security_last_seq_lsb = 0;
+
+ setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer,
+ (unsigned long) wl);
+ wl->fwlog_size = 0;
+ init_waitqueue_head(&wl->fwlog_waitq);
memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map));
for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order);
if (!wl->aggr_buf) {
ret = -ENOMEM;
- goto err_hw;
+ goto err_wq;
}
wl->dummy_packet = wl12xx_alloc_dummy_packet(wl);
goto err_aggr;
}
+ /* Allocate one page for the FW log */
+ wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL);
+ if (!wl->fwlog) {
+ ret = -ENOMEM;
+ goto err_dummy_packet;
+ }
+
/* Register platform device */
ret = platform_device_register(wl->plat_dev);
if (ret) {
wl1271_error("couldn't register platform device");
- goto err_dummy_packet;
+ goto err_fwlog;
}
dev_set_drvdata(&wl->plat_dev->dev, wl);
goto err_bt_coex_state;
}
+ /* Create sysfs file for the FW log */
+ ret = device_create_bin_file(&wl->plat_dev->dev, &fwlog_attr);
+ if (ret < 0) {
+ wl1271_error("failed to create sysfs file fwlog");
+ goto err_hw_pg_ver;
+ }
+
return hw;
+err_hw_pg_ver:
+ device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver);
+
err_bt_coex_state:
device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
err_platform:
platform_device_unregister(wl->plat_dev);
+err_fwlog:
+ free_page((unsigned long)wl->fwlog);
+
err_dummy_packet:
dev_kfree_skb(wl->dummy_packet);
err_aggr:
free_pages((unsigned long)wl->aggr_buf, order);
+err_wq:
+ destroy_workqueue(wl->freezable_wq);
+
err_hw:
wl1271_debugfs_exit(wl);
kfree(plat_dev);
int wl1271_free_hw(struct wl1271 *wl)
{
+ /* Unblock any fwlog readers */
+ mutex_lock(&wl->mutex);
+ wl->fwlog_size = -1;
+ wake_up_interruptible_all(&wl->fwlog_waitq);
+ mutex_unlock(&wl->mutex);
+
+ device_remove_bin_file(&wl->plat_dev->dev, &fwlog_attr);
platform_device_unregister(wl->plat_dev);
+ free_page((unsigned long)wl->fwlog);
dev_kfree_skb(wl->dummy_packet);
free_pages((unsigned long)wl->aggr_buf,
get_order(WL1271_AGGR_BUFFER_SIZE));
kfree(wl->fw_status);
kfree(wl->tx_res_if);
+ destroy_workqueue(wl->freezable_wq);
ieee80211_free_hw(wl->hw);
module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR);
MODULE_PARM_DESC(debug_level, "wl12xx debugging level");
+module_param_named(fwlog, fwlog_param, charp, 0);
+MODULE_PARM_DESC(keymap,
+ "FW logger options: continuous, ondemand, dbgpins or disable");
+
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
git.openpandora.org / pandora-kernel.git / blobdiff