UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

wl1271: Change booleans in struct wl1271 into a flags bitmask 

For cleaner implementation, change the bunch of booleans in the struct wl1271
structure into a flags bitmask.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2009-12-11 15:41:07 +02:00 committed by John W. Linville
parent 830fb67b8e
commit 71449f8d70
7 changed files with 55 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/net/wireless/wl12xx/wl1271.h
View File

@ -324,6 +324,13 @@ struct wl1271 {
#define WL1271_FLAG_STA_RATES_CHANGED (0)
#define WL1271_FLAG_STA_ASSOCIATED (1)
#define WL1271_FLAG_JOINED (2)
#define WL1271_FLAG_GPIO_POWER (3)
#define WL1271_FLAG_TX_QUEUE_STOPPED (4)
#define WL1271_FLAG_SCANNING (5)
#define WL1271_FLAG_IN_ELP (6)
#define WL1271_FLAG_PSM (7)
#define WL1271_FLAG_PSM_REQUESTED (8)
unsigned long flags;
struct wl1271_partition_set part;
@ -363,7 +370,6 @@ struct wl1271 {
/* Frames scheduled for transmission, not handled yet */
struct sk_buff_head tx_queue;
bool tx_queue_stopped;
struct work_struct tx_work;
@ -391,7 +397,6 @@ struct wl1271 {
u32 mbox_ptr[2];
/* Are we currently scanning */
bool scanning;
struct wl1271_scan scan;
/* Our association ID */
@ -411,18 +416,9 @@ struct wl1271 {
unsigned int rx_config;
unsigned int rx_filter;
/* is firmware in elp mode */
bool elp;
struct completion *elp_compl;
struct delayed_work elp_work;
/* we can be in psm, but not in elp, we have to differentiate */
bool psm;
/* PSM mode requested */
bool psm_requested;
/* retry counter for PSM entries */
u8 psm_entry_retry;
@ -441,15 +437,10 @@ struct wl1271 {
struct ieee80211_vif *vif;
/* Used for a workaround to send disconnect before rejoining */
bool joined;
/* Current chipset configuration */
struct conf_drv_settings conf;
struct list_head list;
bool gpio_power;
};
int wl1271_plt_start(struct wl1271 *wl);

6
drivers/net/wireless/wl12xx/wl1271_cmd.c
View File

@ -655,7 +655,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
channels = wl->hw->wiphy->bands[ieee_band]->channels;
n_ch = wl->hw->wiphy->bands[ieee_band]->n_channels;
if (wl->scanning)
if (test_bit(WL1271_FLAG_SCANNING, &wl->flags))
return -EINVAL;
params = kzalloc(sizeof(*params), GFP_KERNEL);
@ -730,7 +730,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params));
wl->scanning = true;
set_bit(WL1271_FLAG_SCANNING, &wl->flags);
if (wl1271_11a_enabled()) {
wl->scan.state = band;
if (band == WL1271_SCAN_BAND_DUAL) {
@ -748,7 +748,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params), 0);
if (ret < 0) {
wl1271_error("SCAN failed");
wl->scanning = false;
clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
goto out;
}

13
drivers/net/wireless/wl12xx/wl1271_debugfs.c
View File

@ -241,10 +241,12 @@ static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wl1271 *wl = file->private_data;
bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
int res;
char buf[10];
res = scnprintf(buf, sizeof(buf), "%d\n", wl->gpio_power);
res = scnprintf(buf, sizeof(buf), "%d\n", state);
return simple_read_from_buffer(user_buf, count, ppos, buf, res);
}
@ -274,8 +276,13 @@ static ssize_t gpio_power_write(struct file *file,
goto out;
}
wl->set_power(!!value);
wl->gpio_power = !!value;
if (value) {
wl->set_power(true);
set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
} else {
wl->set_power(false);
clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
}
out:
mutex_unlock(&wl->mutex);

11
drivers/net/wireless/wl12xx/wl1271_event.c
View File

@ -35,7 +35,7 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
mbox->scheduled_scan_status);
if (wl->scanning) {
if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
if (wl->scan.state == WL1271_SCAN_BAND_DUAL) {
wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
NULL, size);
@ -43,7 +43,7 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
* to the wl1271_cmd_scan function that we are not
* scanning as it checks that.
*/
wl->scanning = false;
clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len,
wl->scan.active,
wl->scan.high_prio,
@ -62,7 +62,7 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, false);
mutex_lock(&wl->mutex);
wl->scanning = false;
clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
}
}
return 0;
@ -78,7 +78,7 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
switch (mbox->ps_status) {
case EVENT_ENTER_POWER_SAVE_FAIL:
if (!wl->psm) {
if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
wl->psm_entry_retry = 0;
break;
}
@ -135,7 +135,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
* filtering) is enabled. Without PSM, the stack will receive all
* beacons and can detect beacon loss by itself.
*/
if (vector & BSS_LOSE_EVENT_ID && wl->psm) {
if (vector & BSS_LOSE_EVENT_ID &&
test_bit(WL1271_FLAG_PSM, &wl->flags)) {
wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
/* indicate to the stack, that beacons have been lost */

45
drivers/net/wireless/wl12xx/wl1271_main.c
View File

@ -378,13 +378,13 @@ static void wl1271_disable_interrupts(struct wl1271 *wl)
static void wl1271_power_off(struct wl1271 *wl)
{
wl->set_power(false);
wl->gpio_power = false;
clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
}
static void wl1271_power_on(struct wl1271 *wl)
{
wl->set_power(true);
wl->gpio_power = true;
set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
}
static void wl1271_fw_status(struct wl1271 *wl,
@ -812,7 +812,7 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
* protected. Maybe fix this by removing the stupid
* variable altogether and checking the real queue state?
*/
wl->tx_queue_stopped = true;
set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
}
return NETDEV_TX_OK;
@ -985,11 +985,10 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
WARN_ON(wl->state != WL1271_STATE_ON);
if (wl->scanning) {
if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, true);
mutex_lock(&wl->mutex);
wl->scanning = false;
}
wl->state = WL1271_STATE_OFF;
@ -1014,10 +1013,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl->band = IEEE80211_BAND_2GHZ;
wl->rx_counter = 0;
wl->elp = false;
wl->psm = 0;
wl->psm_entry_retry = 0;
wl->tx_queue_stopped = false;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->tx_blocks_available = 0;
wl->tx_results_count = 0;
@ -1027,7 +1023,6 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl->tx_security_seq_32 = 0;
wl->time_offset = 0;
wl->session_counter = 0;
wl->joined = false;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->sta_rate_set = 0;
wl->flags = 0;
@ -1174,7 +1169,7 @@ static int wl1271_join_channel(struct wl1271 *wl, int channel)
if (ret < 0)
goto out;
wl->joined = true;
set_bit(WL1271_FLAG_JOINED, &wl->flags);
out:
return ret;
@ -1189,7 +1184,7 @@ static int wl1271_unjoin_channel(struct wl1271 *wl)
if (ret < 0)
goto out;
wl->joined = false;
clear_bit(WL1271_FLAG_JOINED, &wl->flags);
wl->channel = 0;
memset(wl->bssid, 0, ETH_ALEN);
wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
@ -1221,7 +1216,8 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
goto out;
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
if (conf->flags & IEEE80211_CONF_IDLE && wl->joined)
if (conf->flags & IEEE80211_CONF_IDLE &&
test_bit(WL1271_FLAG_JOINED, &wl->flags))
wl1271_unjoin_channel(wl);
else
wl1271_join_channel(wl, channel);
@ -1234,11 +1230,12 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
}
/* if the channel changes while joined, join again */
if (channel != wl->channel && wl->joined)
if (channel != wl->channel && test_bit(WL1271_FLAG_JOINED, &wl->flags))
wl1271_join_channel(wl, channel);
if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
wl->psm_requested = true;
if (conf->flags & IEEE80211_CONF_PS &&
!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
/*
* We enter PSM only if we're already associated.
@ -1250,12 +1247,12 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
}
} else if (!(conf->flags & IEEE80211_CONF_PS) &&
wl->psm_requested) {
test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
wl1271_info("psm disabled");
wl->psm_requested = false;
clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
if (wl->psm)
if (test_bit(WL1271_FLAG_PSM, &wl->flags))
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
}
@ -1574,7 +1571,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
wl1271_warning("cmd join failed %d", ret);
goto out_sleep;
}
wl->joined = true;
set_bit(WL1271_FLAG_JOINED, &wl->flags);
}
if (wl->bss_type == BSS_TYPE_IBSS) {
@ -1633,7 +1630,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
goto out_sleep;
/* If we want to go in PSM but we're not there yet */
if (wl->psm_requested && !wl->psm) {
if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
mode = STATION_POWER_SAVE_MODE;
ret = wl1271_ps_set_mode(wl, mode);
if (ret < 0)
@ -1949,24 +1947,17 @@ static int __devinit wl1271_probe(struct spi_device *spi)
INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
wl->channel = WL1271_DEFAULT_CHANNEL;
wl->scanning = false;
wl->default_key = 0;
wl->rx_counter = 0;
wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
wl->elp = false;
wl->psm = 0;
wl->psm_requested = false;
wl->psm_entry_retry = 0;
wl->tx_queue_stopped = false;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->sta_rate_set = 0;
wl->band = IEEE80211_BAND_2GHZ;
wl->vif = NULL;
wl->joined = false;
wl->gpio_power = false;
wl->flags = 0;
for (i = 0; i < ACX_TX_DESCRIPTORS; i++)

15
drivers/net/wireless/wl12xx/wl1271_ps.c
View File

@ -39,12 +39,13 @@ void wl1271_elp_work(struct work_struct *work)
mutex_lock(&wl->mutex);
if (wl->elp || !wl->psm)
if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags) ||
!test_bit(WL1271_FLAG_PSM, &wl->flags))
goto out;
wl1271_debug(DEBUG_PSM, "chip to elp");
wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
wl->elp = true;
set_bit(WL1271_FLAG_IN_ELP, &wl->flags);
out:
mutex_unlock(&wl->mutex);
@ -55,7 +56,7 @@ out:
/* Routines to toggle sleep mode while in ELP */
void wl1271_ps_elp_sleep(struct wl1271 *wl)
{
if (wl->psm) {
if (test_bit(WL1271_FLAG_PSM, &wl->flags)) {
cancel_delayed_work(&wl->elp_work);
ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,
msecs_to_jiffies(ELP_ENTRY_DELAY));
@ -70,7 +71,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake)
u32 start_time = jiffies;
bool pending = false;
if (!wl->elp)
if (!test_bit(WL1271_FLAG_IN_ELP, &wl->flags))
return 0;
wl1271_debug(DEBUG_PSM, "waking up chip from elp");
@ -101,7 +102,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake)
}
}
wl->elp = false;
clear_bit(WL1271_FLAG_IN_ELP, &wl->flags);
wl1271_debug(DEBUG_PSM, "wakeup time: %u ms",
jiffies_to_msecs(jiffies - start_time));
@ -143,7 +144,7 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
if (ret < 0)
return ret;
wl->psm = 1;
set_bit(WL1271_FLAG_PSM, &wl->flags);
break;
case STATION_ACTIVE_MODE:
default:
@ -166,7 +167,7 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
if (ret < 0)
return ret;
wl->psm = 0;
clear_bit(WL1271_FLAG_PSM, &wl->flags);
break;
}

6
drivers/net/wireless/wl12xx/wl1271_tx.c
View File

@ -277,18 +277,18 @@ void wl1271_tx_work(struct work_struct *work)
wl1271_debug(DEBUG_TX, "tx_work: fw buffer full, "
"stop queues");
ieee80211_stop_queues(wl->hw);
wl->tx_queue_stopped = true;
set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
skb_queue_head(&wl->tx_queue, skb);
goto out;
} else if (ret < 0) {
dev_kfree_skb(skb);
goto out;
} else if (wl->tx_queue_stopped) {
} else if (test_and_clear_bit(WL1271_FLAG_TX_QUEUE_STOPPED,
&wl->flags)) {
/* firmware buffer has space, restart queues */
wl1271_debug(DEBUG_TX,
"complete_packet: waking queues");
ieee80211_wake_queues(wl->hw);
wl->tx_queue_stopped = false;
}
}