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path: root/drivers/net/wireless/wl12xx/wl1271_main.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_main.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c289
1 files changed, 155 insertions, 134 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index b7d9137851a..9d68f0012f0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -28,7 +28,6 @@
#include <linux/crc32.h>
#include <linux/etherdevice.h>
#include <linux/vmalloc.h>
-#include <linux/inetdevice.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -45,6 +44,7 @@
#include "wl1271_cmd.h"
#include "wl1271_boot.h"
#include "wl1271_testmode.h"
+#include "wl1271_scan.h"
#define WL1271_BOOT_RETRIES 3
@@ -55,7 +55,7 @@ static struct conf_drv_settings default_conf = {
[CONF_SG_HV3_MAX_OVERRIDE] = 0,
[CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
[CONF_SG_BT_LOAD_RATIO] = 50,
- [CONF_SG_AUTO_PS_MODE] = 0,
+ [CONF_SG_AUTO_PS_MODE] = 1,
[CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
[CONF_SG_ANTENNA_CONFIGURATION] = 0,
@@ -234,18 +234,14 @@ static struct conf_drv_settings default_conf = {
.beacon_rx_timeout = 10000,
.broadcast_timeout = 20000,
.rx_broadcast_in_ps = 1,
- .ps_poll_threshold = 20,
+ .ps_poll_threshold = 10,
+ .ps_poll_recovery_period = 700,
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 10,
.psm_entry_retries = 3,
.keep_alive_interval = 55000,
.max_listen_interval = 20,
},
- .init = {
- .radioparam = {
- .fem = 1,
- }
- },
.itrim = {
.enable = false,
.timeout = 50000,
@@ -566,14 +562,21 @@ static int wl1271_fetch_nvs(struct wl1271 *wl)
return ret;
}
- if (fw->size != sizeof(struct wl1271_nvs_file)) {
+ /*
+ * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
+ * configurations) can be removed when those NVS files stop floating
+ * around.
+ */
+ if (fw->size != sizeof(struct wl1271_nvs_file) &&
+ (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
+ wl1271_11a_enabled())) {
wl1271_error("nvs size is not as expected: %zu != %zu",
fw->size, sizeof(struct wl1271_nvs_file));
ret = -EILSEQ;
goto out;
}
- wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
+ wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
@@ -581,8 +584,6 @@ static int wl1271_fetch_nvs(struct wl1271 *wl)
goto out;
}
- memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file));
-
out:
release_firmware(fw);
@@ -811,93 +812,6 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
return NETDEV_TX_OK;
}
-static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
- void *arg)
-{
- struct net_device *dev;
- struct wireless_dev *wdev;
- struct wiphy *wiphy;
- struct ieee80211_hw *hw;
- struct wl1271 *wl;
- struct wl1271 *wl_temp;
- struct in_device *idev;
- struct in_ifaddr *ifa = arg;
- int ret = 0;
-
- /* FIXME: this ugly function should probably be implemented in the
- * mac80211, and here should only be a simple callback handling actual
- * setting of the filters. Now we need to dig up references to
- * various structures to gain access to what we need.
- * Also, because of this, there is no "initial" setting of the filter
- * in "op_start", because we don't want to dig up struct net_device
- * there - the filter will be set upon first change of the interface
- * IP address. */
-
- dev = ifa->ifa_dev->dev;
-
- wdev = dev->ieee80211_ptr;
- if (wdev == NULL)
- return NOTIFY_DONE;
-
- wiphy = wdev->wiphy;
- if (wiphy == NULL)
- return NOTIFY_DONE;
-
- hw = wiphy_priv(wiphy);
- if (hw == NULL)
- return NOTIFY_DONE;
-
- /* Check that the interface is one supported by this driver. */
- wl_temp = hw->priv;
- list_for_each_entry(wl, &wl_list, list) {
- if (wl == wl_temp)
- break;
- }
- if (wl != wl_temp)
- return NOTIFY_DONE;
-
- /* Get the interface IP address for the device. "ifa" will become
- NULL if:
- - there is no IPV4 protocol address configured
- - there are multiple (virtual) IPV4 addresses configured
- When "ifa" is NULL, filtering will be disabled.
- */
- ifa = NULL;
- idev = dev->ip_ptr;
- if (idev)
- ifa = idev->ifa_list;
-
- if (ifa && ifa->ifa_next)
- ifa = NULL;
-
- mutex_lock(&wl->mutex);
-
- if (wl->state == WL1271_STATE_OFF)
- goto out;
-
- ret = wl1271_ps_elp_wakeup(wl, false);
- if (ret < 0)
- goto out;
- if (ifa)
- ret = wl1271_acx_arp_ip_filter(wl, true,
- (u8 *)&ifa->ifa_address,
- ACX_IPV4_VERSION);
- else
- ret = wl1271_acx_arp_ip_filter(wl, false, NULL,
- ACX_IPV4_VERSION);
- wl1271_ps_elp_sleep(wl);
-
-out:
- mutex_unlock(&wl->mutex);
-
- return NOTIFY_OK;
-}
-
-static struct notifier_block wl1271_dev_notifier = {
- .notifier_call = wl1271_dev_notify,
-};
-
-
static int wl1271_op_start(struct ieee80211_hw *hw)
{
wl1271_debug(DEBUG_MAC80211, "mac80211 start");
@@ -925,6 +839,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct wl1271 *wl = hw->priv;
+ struct wiphy *wiphy = hw->wiphy;
int retries = WL1271_BOOT_RETRIES;
int ret = 0;
@@ -978,6 +893,12 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
wl->state = WL1271_STATE_ON;
wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
+
+ /* update hw/fw version info in wiphy struct */
+ wiphy->hw_version = wl->chip.id;
+ strncpy(wiphy->fw_version, wl->chip.fw_ver,
+ sizeof(wiphy->fw_version));
+
goto out;
irq_disable:
@@ -1001,10 +922,8 @@ power_off:
out:
mutex_unlock(&wl->mutex);
- if (!ret) {
+ if (!ret)
list_add(&wl->list, &wl_list);
- register_inetaddr_notifier(&wl1271_dev_notifier);
- }
return ret;
}
@@ -1015,8 +934,6 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
struct wl1271 *wl = hw->priv;
int i;
- unregister_inetaddr_notifier(&wl1271_dev_notifier);
-
mutex_lock(&wl->mutex);
wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
@@ -1026,10 +943,17 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
WARN_ON(wl->state != WL1271_STATE_ON);
- if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
+ /* enable dyn ps just in case (if left on due to fw crash etc) */
+ if (wl->bss_type == BSS_TYPE_STA_BSS)
+ ieee80211_enable_dyn_ps(wl->vif);
+
+ if (wl->scan.state != WL1271_SCAN_STATE_IDLE) {
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, true);
mutex_lock(&wl->mutex);
+ wl->scan.state = WL1271_SCAN_STATE_IDLE;
+ kfree(wl->scan.scanned_ch);
+ wl->scan.scanned_ch = NULL;
}
wl->state = WL1271_STATE_OFF;
@@ -1040,11 +964,12 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
cancel_work_sync(&wl->irq_work);
cancel_work_sync(&wl->tx_work);
+ cancel_delayed_work_sync(&wl->pspoll_work);
mutex_lock(&wl->mutex);
/* let's notify MAC80211 about the remaining pending TX frames */
- wl1271_tx_flush(wl);
+ wl1271_tx_reset(wl);
wl1271_power_off(wl);
memset(wl->bssid, 0, ETH_ALEN);
@@ -1241,6 +1166,42 @@ static u32 wl1271_min_rate_get(struct wl1271 *wl)
return rate;
}
+static int wl1271_handle_idle(struct wl1271 *wl, bool idle)
+{
+ int ret;
+
+ if (idle) {
+ if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
+ ret = wl1271_unjoin(wl);
+ if (ret < 0)
+ goto out;
+ }
+ wl->rate_set = wl1271_min_rate_get(wl);
+ wl->sta_rate_set = 0;
+ ret = wl1271_acx_rate_policies(wl);
+ if (ret < 0)
+ goto out;
+ ret = wl1271_acx_keep_alive_config(
+ wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
+ ACX_KEEP_ALIVE_TPL_INVALID);
+ if (ret < 0)
+ goto out;
+ set_bit(WL1271_FLAG_IDLE, &wl->flags);
+ } else {
+ /* increment the session counter */
+ wl->session_counter++;
+ if (wl->session_counter >= SESSION_COUNTER_MAX)
+ wl->session_counter = 0;
+ ret = wl1271_dummy_join(wl);
+ if (ret < 0)
+ goto out;
+ clear_bit(WL1271_FLAG_IDLE, &wl->flags);
+ }
+
+out:
+ return ret;
+}
+
static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct wl1271 *wl = hw->priv;
@@ -1255,6 +1216,15 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
conf->power_level,
conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
+ /*
+ * mac80211 will go to idle nearly immediately after transmitting some
+ * frames, such as the deauth. To make sure those frames reach the air,
+ * wait here until the TX queue is fully flushed.
+ */
+ if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
+ (conf->flags & IEEE80211_CONF_IDLE))
+ wl1271_tx_flush(wl);
+
mutex_lock(&wl->mutex);
if (unlikely(wl->state == WL1271_STATE_OFF))
@@ -1295,24 +1265,18 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
}
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
- if (conf->flags & IEEE80211_CONF_IDLE &&
- test_bit(WL1271_FLAG_JOINED, &wl->flags))
- wl1271_unjoin(wl);
- else if (!(conf->flags & IEEE80211_CONF_IDLE))
- wl1271_dummy_join(wl);
-
- if (conf->flags & IEEE80211_CONF_IDLE) {
- wl->rate_set = wl1271_min_rate_get(wl);
- wl->sta_rate_set = 0;
- wl1271_acx_rate_policies(wl);
- wl1271_acx_keep_alive_config(
- wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
- ACX_KEEP_ALIVE_TPL_INVALID);
- set_bit(WL1271_FLAG_IDLE, &wl->flags);
- } else
- clear_bit(WL1271_FLAG_IDLE, &wl->flags);
+ ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE);
+ if (ret < 0)
+ wl1271_warning("idle mode change failed %d", ret);
}
+ /*
+ * if mac80211 changes the PSM mode, make sure the mode is not
+ * incorrectly changed after the pspoll failure active window.
+ */
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
+
if (conf->flags & IEEE80211_CONF_PS &&
!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
@@ -1595,13 +1559,9 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
goto out;
if (wl1271_11a_enabled())
- ret = wl1271_cmd_scan(hw->priv, ssid, len,
- req->ie, req->ie_len, 1, 0,
- WL1271_SCAN_BAND_DUAL, 3);
+ ret = wl1271_scan(hw->priv, ssid, len, req);
else
- ret = wl1271_cmd_scan(hw->priv, ssid, len,
- req->ie, req->ie_len, 1, 0,
- WL1271_SCAN_BAND_2_4_GHZ, 3);
+ ret = wl1271_scan(hw->priv, ssid, len, req);
wl1271_ps_elp_sleep(wl);
@@ -1774,6 +1734,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
wl->aid = bss_conf->aid;
set_assoc = true;
+ wl->ps_poll_failures = 0;
+
/*
* use basic rates from AP, and determine lowest rate
* to use with control frames.
@@ -1823,6 +1785,9 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
wl->aid = 0;
+ /* re-enable dynamic ps - just in case */
+ ieee80211_enable_dyn_ps(wl->vif);
+
/* revert back to minimum rates for the current band */
wl1271_set_band_rate(wl);
wl->basic_rate = wl1271_min_rate_get(wl);
@@ -1871,6 +1836,19 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
}
}
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ __be32 addr = bss_conf->arp_addr_list[0];
+ WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
+
+ if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled)
+ ret = wl1271_acx_arp_ip_filter(wl, true, addr);
+ else
+ ret = wl1271_acx_arp_ip_filter(wl, false, addr);
+
+ if (ret < 0)
+ goto out_sleep;
+ }
+
if (do_join) {
ret = wl1271_join(wl, set_assoc);
if (ret < 0) {
@@ -1929,6 +1907,48 @@ out:
return ret;
}
+static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
+{
+
+ struct wl1271 *wl = hw->priv;
+ u64 mactime = ULLONG_MAX;
+ int ret;
+
+ wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf");
+
+ mutex_lock(&wl->mutex);
+
+ ret = wl1271_ps_elp_wakeup(wl, false);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_acx_tsf_info(wl, &mactime);
+ if (ret < 0)
+ goto out_sleep;
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+
+out:
+ mutex_unlock(&wl->mutex);
+ return mactime;
+}
+
+static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct wl1271 *wl = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+
+ if (idx != 0)
+ return -ENOENT;
+
+ survey->channel = conf->channel;
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = wl->noise;
+
+ return 0;
+}
/* can't be const, mac80211 writes to this */
static struct ieee80211_rate wl1271_rates[] = {
@@ -1991,7 +2011,7 @@ static struct ieee80211_channel wl1271_channels[] = {
};
/* mapping to indexes for wl1271_rates */
-const static u8 wl1271_rate_to_idx_2ghz[] = {
+static const u8 wl1271_rate_to_idx_2ghz[] = {
/* MCS rates are used only with 11n */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
@@ -2103,7 +2123,7 @@ static struct ieee80211_channel wl1271_channels_5ghz[] = {
};
/* mapping to indexes for wl1271_rates_5ghz */
-const static u8 wl1271_rate_to_idx_5ghz[] = {
+static const u8 wl1271_rate_to_idx_5ghz[] = {
/* MCS rates are used only with 11n */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
@@ -2139,7 +2159,7 @@ static struct ieee80211_supported_band wl1271_band_5ghz = {
.n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
};
-const static u8 *wl1271_band_rate_to_idx[] = {
+static const u8 *wl1271_band_rate_to_idx[] = {
[IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz,
[IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz
};
@@ -2158,6 +2178,8 @@ static const struct ieee80211_ops wl1271_ops = {
.bss_info_changed = wl1271_op_bss_info_changed,
.set_rts_threshold = wl1271_op_set_rts_threshold,
.conf_tx = wl1271_op_conf_tx,
+ .get_tsf = wl1271_op_get_tsf,
+ .get_survey = wl1271_op_get_survey,
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
@@ -2350,15 +2372,13 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
goto err_hw_alloc;
}
- plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL);
+ plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL);
if (!plat_dev) {
wl1271_error("could not allocate platform_device");
ret = -ENOMEM;
goto err_plat_alloc;
}
- memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device));
-
wl = hw->priv;
memset(wl, 0, sizeof(*wl));
@@ -2370,6 +2390,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
skb_queue_head_init(&wl->tx_queue);
INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
+ INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
wl->channel = WL1271_DEFAULT_CHANNEL;
wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
wl->default_key = 0;